2026-07-28  Haochen Jiang  <haochen.jiang@intel.com>

	Backported from master:
	2026-07-28  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/126429
	* config/i386/sse.md (avx512fmaskhalfmode): Removed.
	(avx512f_dpbf16ps_<mode>_maskz): Use avx512fmaskmode instead of
	avx512fmaskhalfmode.
	(avx512f_dpbf16ps_<mode>_mask): Ditto.
	(avx512f_dpbf16ps_<mode><maskz_half_name>): Rename to ...
	(avx512f_dpbf16ps_<mode><sd_maskz_name>): ... this. Use
	corresponding sd_mask_op4.
	* config/i386/subst.md (maskz_half): Remove not used pattern.

2026-07-27  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-07-27  Jakub Jelinek  <jakub@redhat.com>

	* doc/sourcebuild.texi (arm_neon_fp16_hw, arm_fp16_alternative_hw):
	Use @code{...} instead of @code(...).

2026-07-27  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-07-27  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	* doc/sourcebuild.texi (arm_fp16_alternative_hw): Document.
	(arm_neon_fp16_hw): Add reference to arm_neon_fp16_ok.

2026-07-24  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-07-21  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	PR tree-optimization/124663
	* match.pd: Fold constant conditional selects.

2026-07-23  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2satcvtintrin.h
	(_mm_cvtts_sd_i32): Renamed from _mm_cvtts_sd_epi32.
	(_mm_cvtts_sd_si32): New alias of _mm_cvtts_sd_i32.
	(_mm_cvtts_sd_u32): Renamed from _mm_cvtts_sd_epu32.
	(_mm_cvtts_ss_i32): Renamed from _mm_cvtts_ss_epi32.
	(_mm_cvtts_ss_si32): New alias of _mm_cvtts_ss_i32.
	(_mm_cvtts_ss_u32): Renamed from _mm_cvtts_ss_epu32.
	(_mm_cvtts_roundsd_i32): Renamed from _mm_cvtts_roundsd_epi32.
	(_mm_cvtts_roundsd_si32): New alias of _mm_cvtts_roundsd_i32.
	(_mm_cvtts_roundsd_u32): Renamed from _mm_cvtts_roundsd_epu32.
	(_mm_cvtts_roundss_i32): Renamed from _mm_cvtts_roundss_epi32.
	(_mm_cvtts_roundss_si32): New alias of _mm_cvtts_roundss_i32.
	(_mm_cvtts_roundss_u32): Renamed from _mm_cvtts_roundss_epu32.
	(_mm_cvtts_sd_i64): Renamed from _mm_cvtts_sd_epi64.
	(_mm_cvtts_sd_si64): New alias of _mm_cvtts_sd_i64.
	(_mm_cvtts_sd_u64): Renamed from _mm_cvtts_sd_epu64.
	(_mm_cvtts_ss_i64): Renamed from _mm_cvtts_ss_epi64.
	(_mm_cvtts_ss_si64): New alias of _mm_cvtts_ss_i64.
	(_mm_cvtts_ss_u64): Renamed from _mm_cvtts_ss_epu64.
	(_mm_cvtts_roundsd_i64): Renamed from _mm_cvtts_roundsd_epi64.
	(_mm_cvtts_roundsd_si64): New alias of _mm_cvtts_roundsd_i64.
	(_mm_cvtts_roundsd_u64): Renamed from _mm_cvtts_roundsd_epu64.
	(_mm_cvtts_roundss_i64): Renamed from _mm_cvtts_roundss_epi64.
	(_mm_cvtts_roundss_si64): New alias of _mm_cvtts_roundss_i64.
	(_mm_cvtts_roundss_u64): Renamed from _mm_cvtts_roundss_epu64.

2026-07-22  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-06-18  Martin Jambor  <mjambor@suse.cz>

	PR ipa/124128
	* ipa-cp.cc (ipa_vr_intersect_with_arith_jfunc): Move the check if
	the final type conversion needs to happen before the conversion.

2026-07-21  Alice Carlotti  <alice.carlotti@arm.com>

	* config/aarch64/aarch64.cc (aarch64_start_call_args): Extend
	comment.

2026-07-21  Alice Carlotti  <alice.carlotti@arm.com>

	* config/aarch64/aarch64.cc (aarch64_mode_confluence): Fix
	comment typo.
	* target.def (mode_switching): Fix incorrect variable names in
	documentation.
	* doc/tm.texi: Regenerate.

2026-07-21  Alice Carlotti  <alice.carlotti@arm.com>

	PR target/119210
	* config/aarch64/aarch64.cc (aarch64_mode_emit_local_sme_state):
	Add PSTATE.ZA enablement, and zero it if already enabled.

2026-07-20  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-07-20  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	PR testsuite/126261
	* doc/sourcebuild.texi (can_deref_null): Document.

2026-07-20  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-06-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/125953
	* gimple-range.cc (gimple_ranger::range_of_expr): Document.
	Fall back to global ranges if 'stmt' is not in the IL.

2026-07-20  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-06-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/125502
	* tree-ssa-forwprop.cc (optimize_vector_load): Do not
	move defs of abnormals.

2026-07-20  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-07-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/126194
	* tree-ssa-structalias.cc (find_func_aliases_for_call):
	Only ignore calls to delete if DECL_IS_REPLACEABLE_OPERATOR.

2026-07-20  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-06-29  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/105116
	* lra-constraints.cc (simplify_operand_subreg): Reload a
	non-representable narrowing subreg of a hard register through
	memory instead of resolving it lossily.

2026-07-20  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-07-13  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	PR driver/124058
	* common.opt (Wuse-after-free): Make an alias for
	-Wuse-after-free=1.
	* doc/invoke.texi: Document alias.
	* gimple-ssa-warn-access.cc (pass_waccess::warn_invalid_pointer):
	Use OPT_Wuse_after_free_.

2026-07-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-07-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/126262
	* gimple-lower-bitint.cc (build_bitint_stmt_ssa_conflicts): Treat
	IFN_MUL_OVERFLOW and IFN_UBSAN_CHECK_MUL like IFN_BSWAP, regardless
	of bitint_big_endian.

2026-07-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-07-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/126257
	* match.pd (x+x -> x*2): Only optimize if 2 is representable in the
	type.

2026-07-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-07-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/126084
	* gimple-lower-bitint.cc: Include "attribs.h" and "asan.h".
	(gimple_lower_bitint): Use asan_expand_poison_ifn to lower
	.ASAN_POISON calls with large/huge _BitInt lhs.
	* asan.cc (report_error_func): Set *nargs and use _n builtin
	even if size is not a power of two or larger than 16.
	(asan_expand_poison_ifn): Handle nargs == 2.

2026-07-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-07-14  Jakub Jelinek  <jakub@redhat.com>
		    H.J. Lu  <hjl.tools@gmail.com>

	PR tree-optimization/120201
	* cfgexpand.cc (expand_used_vars): Set data.asan_alignb to
	maximum of itself and crtl->stack_alignment_needed
	/ BITS_PER_UNIT.

2026-07-16  Jeevitha  <jeevitha@linux.ibm.com>

	Backported from master:
	2026-06-22  Jeevitha Palanisamy  <jeevitha@linux.ibm.com>

	PR target/106895
	* config/rs6000/rs6000.h (enum rs6000_builtin_type_index): Add
	RS6000_BTI_INTPTI and RS6000_BTI_UINTPTI.
	(intPTI_type_internal_node, uintPTI_type_internal_node): New
	PTImode type macros.
	* config/rs6000/rs6000-builtin.cc (rs6000_init_builtins): Register
	signed and unsigned PTImode internal builtin types.
	* config/rs6000/sync.md (trunctipti2): New splitter.
	(extendptiti2): Likewise.
	(zero_extendptiti2): Likewise.

2026-07-14  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-07-14  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	* doc/sourcebuild.texi (arm_v8_1m_mve_link): Document.

2026-07-09  Uros Bizjak  <ubizjak@gmail.com>

	Backported from master:
	2026-07-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/126148
	* config/i386/i386-expand.cc (ix86_gen_ccmp_first): Restrict
	floating-point modes accepted for ccmp according to the
	available floating-point instruction set.

2026-07-07  Icenowy Zheng  <zhengxingda@iscas.ac.cn>

	Backported from master:
	2026-07-01  Icenowy Zheng  <zhengxingda@iscas.ac.cn>

	PR target/126049
	* config/riscv/autovec.md: Change fmin/fmax reduction initial
	value from inf/-inf to NaN for proper semantics of corresponding
	C funtion.

2026-07-05  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/67459
	PR target/122948
	* config/sh/sh.md (addc): Fix T bit set expression.
	(subc): Likewise.

2026-07-01  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	Backported from master:
	2026-06-26  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/125972
	* config/s390/s390.cc (s390_rtx_costs): Deal with non-compare
	conditions during costing.  Also fix some indentation.

2026-07-01  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-structalias.cc (set_uids_in_ptset): If ANYTHING is
	present in the ESCAPED_RETURN solution, record that the global
	solution has an escaped heap if FROM contains a heap variable.

2026-07-01  Avinash Jayakar  <avinashd@linux.ibm.com>

	Backported from master:
	2026-06-30  Avinash Jayakar  <avinashd@linux.ibm.com>
		    Surya Kumari Jangala  <jskumari@linux.ibm.com>

	* config/rs6000/rs6000-builtin.cc (rs6000_expand_builtin): Add logic to
	handle __builtin_ppc_atomic_cas_local.
	* config/rs6000/rs6000-builtins.def: New builtins for
	__builtin_ppc_atomic_cas_local with types.
	* config/rs6000/rs6000-c.cc (altivec_build_resolved_builtin): Handle
	builtins with up to 6 arguments.
	* config/rs6000/rs6000-overload.def: Overload builtin for signed/unsiged
	char, short, int, long, __int128.
	* config/rs6000/rs6000-protos.h (rs6000_expand_atomic_compare_and_swap): Add
	additional parameter 'local' to the prototype.
	* config/rs6000/rs6000.cc (emit_load_locked): Add new parameter. Pass new
	parameter to generate load-locked instruction.
	(rs6000_expand_atomic_compare_and_swap): Add new parameter. Call
	emit_load_locked() with additional parameter value of EH bit.
	(rs6000_expand_atomic_exchange): Pass EH value 0 to emit_load_locked().
	(rs6000_expand_atomic_op): Likewise.
	* config/rs6000/sync.md (load_locked<mode>): Add new operand in RTL template.
	Specify EH bit in the larx instruction.
	(load_locked<QHI:mode>_si): Likewise.
	(load_lockedpti): Likewise.
	(load_lockedti): Add new operand in RTL template. Pass EH bit to
	gen_load_lockedpti().
	(atomic_compare_and_swap<mode>): Pass new parameter 'false' to
	rs6000_expand_atomic_compare_and_swap.
	(atomic_compare_and_swap_local<mode>): New define_expand.
	* doc/extend.texi: Add documentation for new builtin.

2026-07-01  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h (PTA_DIAMONDRAPIDS): Remove PTA_AMX_TF32.
	* doc/invoke.texi: Correct documentation.

2026-06-30  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	Backported from master:
	2026-06-12  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR rtl-optimization/125173
	* ira.cc (combine_and_move_insns): Allow multiple uses within
	an insn.

2026-06-30  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-04-22  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/124908
	* config/aarch64/aarch64-sve-builtins-base.cc
	(svld1rq_impl::fold): When the SVE vector length equals the
	quadword width, emit VIEW_CONVERT_EXPR instead of VEC_PERM_EXPR.

2026-06-29  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2026-06-23  Alex Coplan  <alex.coplan@arm.com>

	PR target/125818
	* config/aarch64/aarch64-sve-builtins-base.cc (svset_impl::fold): Fix
	unsharing to ensure the returned stmt has the exact same lhs as the
	original.

2026-06-29  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-06-29  Jakub Jelinek  <jakub@redhat.com>

	PR target/125469
	* config/i386/i386.md (*add<mode>_1<nf_name>): Revert 2026-05-28
	changes.
	(define_split from *add<mode>_1_nf to *lea<mode>): Set INSN_CODE
	to -1 if <LEAMODE> and <MODE> are the same.

2026-06-29  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-05-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/125469
	* config/i386/i386.md (*add<mode>_1<nf_name>): Don't return "#" for
	the lea non-TARGET_APX_NDD case, instead emit a lea directly.

2026-06-29  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-06-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/125992
	* config/s390/s390.md (*brx_stage1_<GPR:mode>): Add CC_REGNUM clobber.

2026-06-29  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-06-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/125611
	* config/i386/sse.md (<ssse3_avx2>_pmulhrsw<mode>3, smulhrs<mode>3):
	Use vector_operand instead of nonimmediate_operand.

2026-06-22  Robin Dapp  <rdapp.gcc@gmail.com>

	Backported from master:
	2026-06-17  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/125478
	* config/riscv/vector.md: Set widen-alu mode_idx to 3.

2026-06-22  Robin Dapp  <rdapp.gcc@gmail.com>

	Backported from master:
	2026-06-16  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/125670
	* config/riscv/autovec-opt.md: Use avl_type operand number.

2026-06-22  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	Backported from master:
	2026-06-11  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	PR testsuite/113276
	* doc/sourcebuild.texi (arm_mixed_fp): Document.

2026-06-18  Kewen Lin  <linkewen@hygon.cn>

	Backported from master:
	2026-05-28  Kewen Lin  <linkewen@hygon.cn>
		    Xin Liu  <liulxx@hygon.cn>

	* config/i386/c86-4g-m7.md (c86_4g_m7_fpu): Remove automaton.
	(c86_4g_m7_fpu02): New automaton.
	(c86_4g_m7_fpu13): Ditto.
	(c86-4g-m7-fpu0): Move to c86_4g_m7_fpu02 automaton.
	(c86-4g-m7-fpu1): Move to c86_4g_m7_fpu13 automaton.
	(c86-4g-m7-fpu2): Move to c86_4g_m7_fpu02 automaton.
	(c86-4g-m7-fpu3): Move to c86_4g_m7_fpu13 automaton.
	(c86-4g-m7-fdiv): Remove cpu unit.
	(c86-4g-m7-fdiv1): New cpu unit.
	(c86-4g-m7-fdiv3): Ditto.
	(c86-4g-m7-fpu_0_3): New reservation.
	(c86-4g-m7-fpu_1_3x2): Ditto.
	(c86-4g-m7-fpu_1_3x3): Ditto.
	(c86-4g-m7-fpu_1_3x6): Ditto.
	(c86-4g-m7-fpux2): Ditto.
	(c86-4g-m7-fpux4): Ditto.
	(c86-4g-m7-fpux6): Ditto.
	(c86-4g-m7-fpux8): Ditto.
	(c86-4g-m7-fpux16): Ditto.
	(c86-4g-m7-fp1fdiv1x4): Ditto.
	(c86-4g-m7-fp3fdiv3x4): Ditto.
	(c86-4g-m7-fdiv13): Ditto.
	(c86-4g-m7-fp13div13): Ditto.
	(c86-4g-m7-fp13div13x4): Ditto.
	(c86-4g-m7-fp1div1_fp3div3_x4x8): Ditto.
	(c86-4g-m7-fp1div1_fp3div3_x4x9): Ditto.
	(c86-4g-m7-fp1div1_fp3div3_x4x11): Ditto.
	(c86-4g-m7-fp1div1_fp3div3_x4x15): Ditto.
	(c86-4g-m7-fp1div1_fp3div3_x4x18): Ditto.
	(c86_4g_m7_idiv): New reservation.
	(c86_4g_m7_idiv_QI): Adjust reservation latency and unit occupancy.
	(c86_4g_m7_idiv_load): New reservation.
	(c86_4g_m7_idiv_QI_load): Adjust reservation latency and unit
	occupancy.
	(c86_4g_m7_idiv_DI): Remove reservation.
	(c86_4g_m7_idiv_SI): Ditto.
	(c86_4g_m7_idiv_HI): Ditto.
	(c86_4g_m7_idiv_DI_load): Ditto.
	(c86_4g_m7_idiv_SI_load): Ditto.
	(c86_4g_m7_idiv_HI_load): Ditto.
	(c86_4g_m7_sse_insertimm): Adjust reservation units and unit
	occupancy.
	(c86_4g_m7_sse_insert): Ditto.
	(c86_4g_m7_fp_sqrt): Adjust reservation.
	(c86_4g_m7_fp_div): Ditto.
	(c86_4g_m7_fp_div_load): Ditto.
	(c86_4g_m7_fp_idiv_load): Ditto.
	(c86_4g_m7_sse_pinsr_reg): Adjust reservation units and unit
	occupancy.
	(c86_4g_m7_sse_pinsr_reg_load): Ditto.
	(c86_4g_m7_avx_vpinsr_reg): Ditto.
	(c86_4g_m7_avx_vpinsr_reg_load): Ditto.
	(c86_4g_m7_avx512_perm_xmm): Delete the prefix condition.
	(c86_4g_m7_avx512_perm_xmm_opload): Ditto.
	(c86_4g_m7_avx512_permi2_ymm): Adjust reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_permi2_zmm): Ditto.
	(c86_4g_m7_avx512_permi2_ymm_load): Ditto.
	(c86_4g_m7_avx512_permi2_zmm_load): Ditto.
	(c86_4g_m7_avx512_perm_zmm_imm): Ditto.
	(c86_4g_m7_avx512_perm_zmm_imm_load): Ditto.
	(c86_4g_m7_avx512_perm_zmm_noimm): Ditto.
	(c86_4g_m7_sse_perm_zmm_noimm_load): Ditto.
	(c86_4g_m7_avx_perm_ymm): Remove.
	(c86_4g_m7_avx_perm_ymem): Ditto.
	(c86_4g_m7_avx512_shuf_zmm): Adjust reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_shuf_zmem): Ditto.
	(c86_4g_m7_avx512_cmpestr): Ditto.
	(c86_4g_m7_avx512_cmpestr_load): Ditto.
	(c86_4g_m7_avx512_vdbpsadbw_zmm): Ditto.
	(c86_4g_m7_avx512_vdbpsadbw_zmem): Ditto.
	(c86_4g_m7_avx_ssecomi_comi): Ditto.
	(c86_4g_m7_avx_ssecomi_comi_load): Ditto.
	(c86_4g_m7_avx512_expand): Ditto.
	(c86_4g_m7_avx512_expand_load): Ditto.
	(c86_4g_m7_avx512_expand_z): Ditto.
	(c86_4g_m7_avx512_expand_z_load): Ditto.
	(c86_4g_m7_sse_movnt_xy): Rename to c86_4g_m7_sse_movnt.
	(c86_4g_m7_avx512_sseadd_xy): Adjust reservation units.
	(c86_4g_m7_avx512_sseadd_xy_load): Ditto.
	(c86_4g_m7_sse_sseiadd_hplus): Adjust reservation units and unit
	occupancy.
	(c86_4g_m7_sse_sseiadd_hplus_load): Ditto.
	(c86_4g_m7_avx512_ssemul): Adjust reservation units.
	(c86_4g_m7_avx512_ssemul_load): Ditto.
	(c86_4g_m7_avx512_ssediv): Remove.
	(c86_4g_m7_avx512_ssediv_mem): Remove.
	(c86_4g_m7_avx512_ssediv_x): New.
	(c86_4g_m7_avx512_ssediv_xmem): New.
	(c86_4g_m7_avx512_ssediv_y): New.
	(c86_4g_m7_avx512_ssediv_ymem): New.
	(c86_4g_m7_avx512_ssediv_z): Adjust reservation units.
	(c86_4g_m7_avx512_ssediv_zmem): Ditto.
	(c86_4g_m7_avx512_ssecmp_z): Add reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_ssecmp_z_load): Ditto.
	(c86_4g_m7_avx512_ssecmp_vp_z): New reservation.
	(c86_4g_m7_avx512_ssecmp_vp_z_load): Ditto.
	(c86_4g_m7_avx512_ssecmp_test_z): Remove reservation.
	(c86_4g_m7_avx512_ssecmp_test_z_load): Ditto.
	(c86_4g_m7_avx512_muladd): Broaden matching condition.
	(c86_4g_m7_avx512_muladd_load): Ditto.
	(c86_4g_m7_fma_muladd): Remove reservation.
	(c86_4g_m7_fma_muladd_load): Ditto.
	(c86_4g_m7_avx512_sse_conflict_x): Add reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_sse_conflict_x_load): Ditto.
	(c86_4g_m7_avx512_sse_conflict_y): Ditto.
	(c86_4g_m7_avx512_sse_conflict_y_load): Ditto.
	(c86_4g_m7_avx512_sse_conflict_z): Ditto.
	(c86_4g_m7_avx512_sse_conflict_z_load): Ditto.
	(c86_4g_m7_avx512_sse_class_z): Add reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_sse_class_z_load): Ditto.
	(c86_4g_m7_avx512_sse_sqrt): Remove.
	(c86_4g_m7_avx512_sse_sqrt_load): Remove.
	(c86_4g_m7_avx512_sse_sqrt_sf_x): New.
	(c86_4g_m7_avx512_sse_sqrt_sf_xload): New.
	(c86_4g_m7_avx512_sse_sqrt_sf_y): New.
	(c86_4g_m7_avx512_sse_sqrt_sf_yload): New.
	(c86_4g_m7_avx512_sse_sqrt_sf_z): New.
	(c86_4g_m7_avx512_sse_sqrt_sf_zload): New.
	(c86_4g_m7_avx512_sse_sqrt_df_x): New.
	(c86_4g_m7_avx512_sse_sqrt_df_xload): New.
	(c86_4g_m7_avx512_sse_sqrt_df_y): New.
	(c86_4g_m7_avx512_sse_sqrt_df_yload): New.
	(c86_4g_m7_avx512_sse_sqrt_df_z): New.
	(c86_4g_m7_avx512_sse_sqrt_df_zload): New.
	(c86_4g_m7_avx512_msklog_vector): Add reservation units and unit
	occupancy.
	(c86_4g_m7_avx512_mskmov_z_k): Ditto.
	(c86_4g_m7_avx512_mskmov_k_reg): Ditto.
	* config/i386/c86-4g.md (c86_4g_fp): Remove automaton.
	(c86_4g_fp024): New automaton.
	(c86_4g_fp1): Ditto.
	(c86-4g-fp0): Move to c86_4g_fp024 automaton.
	(c86-4g-fp1): Move to c86_4g_fp1 automaton.
	(c86-4g-fp2): Move to c86_4g_fp024 automaton.
	(c86-4g-fp3): Ditto.
	(c86-4g-fp1fdivx4): New reservation.
	(c86_4g_fp_sqrt): Adjust reservation.
	(c86_4g_sse_sqrt_sf): Ditto.
	(c86_4g_sse_sqrt_sf_mem): Ditto.
	(c86_4g_sse_sqrt_df): Ditto.
	(c86_4g_sse_sqrt_df_mem): Ditto.
	(c86_4g_fp_op_div): Ditto.
	(c86_4g_fp_op_div_load): Ditto.
	(c86_4g_fp_op_idiv_load): Adjust reservation latency.
	(c86_4g_ssediv_ss_ps): Adjust reservation.
	(c86_4g_ssediv_ss_ps_load): Ditto.
	(c86_4g_ssediv_sd_pd): Ditto.
	(c86_4g_ssediv_sd_pd_load): Ditto.
	(c86_4g_ssediv_avx256_ps): Ditto.
	(c86_4g_ssediv_avx256_ps_load): Ditto.
	(c86_4g_ssediv_avx256_pd): Ditto.
	(c86_4g_ssediv_avx256_pd_load): Ditto.

2026-06-18  Kewen Lin  <linkewen@hygon.cn>

	Backported from master:
	2026-05-01  Kewen Lin  <linkewen@hygon.cn>

	* config/i386/c86-4g-m7.md (c86_4g_m7_idiv): New automaton.
	(c86_4g_m7_fdiv): Ditto.
	(c86-4g-m7-idiv): New unit.
	(c86-4g-m7-fdiv): Ditto.
	(c86_4g_m7_idiv_DI): Adjust unit in the reservation.
	(c86_4g_m7_idiv_SI): Ditto.
	(c86_4g_m7_idiv_HI): Ditto.
	(c86_4g_m7_idiv_QI): Ditto.
	(c86_4g_m7_idiv_DI_load): Ditto.
	(c86_4g_m7_idiv_SI_load): Ditto.
	(c86_4g_m7_idiv_HI_load): Ditto.
	(c86_4g_m7_idiv_QI_load): Ditto.
	(c86_4g_m7_fp_div): Ditto.
	(c86_4g_m7_fp_div_load): Ditto.
	(c86_4g_m7_fp_idiv_load): Ditto.
	(c86_4g_m7_avx512_ssediv): Ditto.
	(c86_4g_m7_avx512_ssediv_mem): Ditto.
	(c86_4g_m7_avx512_ssediv_z): Ditto.
	(c86_4g_m7_avx512_ssediv_zmem): Ditto.
	(c86_4g_m7_avx512_sse_sqrt): Ditto.
	(c86_4g_m7_avx512_sse_sqrt_load): Ditto.
	(c86_4g_m7_fp_sqrt): Ditto.  Rename from ...
	(c86_4g_m7fp_sqrt): ... here.
	* config/i386/c86-4g.md (c86_4g_idiv): New automaton.
	(c86_4g_fdiv): Ditto.
	(c86-4g-idiv): New unit.
	(c86-4g-fdiv): Ditto.
	(c86_4g_idiv_DI): Ditto.
	(c86_4g_idiv_SI): Ditto.
	(c86_4g_idiv_HI): Ditto.
	(c86_4g_idiv_QI): Ditto.
	(c86_4g_idiv_mem_DI): Ditto.
	(c86_4g_idiv_mem_SI): Ditto.
	(c86_4g_idiv_mem_HI): Ditto.
	(c86_4g_idiv_mem_QI): Ditto.
	(c86_4g_fp_sqrt): Ditto.
	(c86_4g_sse_sqrt_sf): Ditto.
	(c86_4g_sse_sqrt_sf_mem): Ditto.
	(c86_4g_sse_sqrt_df): Ditto.
	(c86_4g_sse_sqrt_df_mem): Ditto.
	(c86_4g_fp_op_div): Ditto.
	(c86_4g_fp_op_div_load): Ditto.
	(c86_4g_fp_op_idiv_load): Ditto.
	(c86_4g_ssediv_ss_ps): Ditto.
	(c86_4g_ssediv_ss_ps_load): Ditto.
	(c86_4g_ssediv_ss_pd): Ditto.
	(c86_4g_ssediv_ss_pd_load): Ditto.
	(c86_4g_ssediv_avx256_ps): Ditto.
	(c86_4g_ssediv_avx256_ps_load): Ditto.
	(c86_4g_ssediv_avx256_pd): Ditto.
	(c86_4g_ssediv_avx256_pd_load): Ditto.

2026-06-18  Xin Liu  <liulxx@hygon.cn>

	Backported from master:
	2026-04-29  Xin Liu  <liulxx@hygon.cn>
		    Zhaoling Bao  <baozhaoling@hygon.cn>

	* common/config/i386/cpuinfo.h (get_hygon_cpu): Detect the specific
	type of HYGON CPU and return HYGON CPU name.
	(cpu_indicator_init): Handle HYGON CPU.
	* common/config/i386/i386-common.cc (processor_names): Add HYGON
	C86-4G processors c86-4g-m{4,6,7}.
	(processor_alias_table): Add hygon, hygonfam18h and c86-4g-m{4,6,7}
	entries.
	(ARRAY_SIZE): Update as new entries added.
	* common/config/i386/i386-cpuinfo.h (enum processor_vendor): Add
	VENDOR_HYGON.
	(enum processor_types): Add HYGONFAM18H.
	(enum processor_subtypes): Add HYGONFAM18H_C86_4G_M{4,6,7}.
	* config.gcc: Add support for c86_4g_m{4,6,7}.
	* config/i386/cpuid.h (signature_HYGON_ebx):  Add signature for HYGON.
	(signature_HYGON_ecx): Ditto.
	(signature_HYGON_edx): Ditto.
	* config/i386/driver-i386.cc (host_detect_local_cpu): Support HYGON
	c86-4g-m4{4,6,7} processors.
	* config/i386/i386-c.cc (ix86_target_macros_internal): Ditto.
	* config/i386/i386-options.cc (m_C86_4G_M4): New definition.
	(m_C86_4G_M6): Ditto.
	(m_C86_4G_M7): Ditto.
	(m_C86_4G): Ditto.
	(processor_cost_table): Add cost entries for c86-4g-m4{4,6,7}.
	* config/i386/i386.cc (ix86_reassociation_width): Add handlings for
	PROCESSOR_C86_4G_M{4,6,7}.
	* config/i386/i386.h (enum processor_type): Define
	PROCESSOR_C86_4G_M{4,6,7}.
	(PTA_C86_4G_M4): New define.
	(PTA_C86_4G_M6): Ditto.
	(PTA_C86_4G_M7): Ditto.
	* config/i386/x86-tune-costs.h (c86_4g_m4_memcpy): New stringop_algs.
	(c86_4g_m4_cost): New processor_costs.
	(c86_4g_m6_cost): Ditto.
	(c86_4g_m7_cost): Ditto.
	* config/i386/x86-tune-sched.cc (ix86_issue_rate): Handle
	PROCESSOR_C86_4G_M{4,6,7}.
	(ix86_adjust_cost): Ditto.
	* config/i386/x86-tune.def (X86_TUNE_SCHEDULE): Handle m_C86_4G.
	(X86_TUNE_PARTIAL_REG_DEPENDENCY): Ditto.
	(X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY): Ditto.
	(X86_TUNE_SSE_PARTIAL_REG_FP_CONVERTS_DEPENDENCY): Ditto.
	(X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY): Ditto.
	(X86_TUNE_MEMORY_MISMATCH_STALL): Ditto.
	(X86_TUNE_FUSE_CMP_AND_BRANCH_32): Ditto.
	(X86_TUNE_FUSE_CMP_AND_BRANCH_64): Ditto.
	(X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS): Ditto.
	(X86_TUNE_USE_LEAVE): Ditto.
	(X86_TUNE_PUSH_MEMORY): Ditto.
	(X86_TUNE_INTEGER_DFMODE_MOVES): Ditto.
	(X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES): Ditto.
	(X86_TUNE_USE_SAHF): Ditto.
	(X86_TUNE_USE_BT): Ditto.
	(X86_TUNE_AVOID_MFENCE): Ditto.
	(X86_TUNE_USE_FFREEP): Ditto.
	(X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL): Ditto.
	(X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL): Ditto.
	(X86_TUNE_SSE_TYPELESS_STORES): Ditto.
	(X86_TUNE_SSE_LOAD0_BY_PXOR): Ditto.
	(X86_TUNE_USE_GATHER_2PARTS): Ditto.
	(X86_TUNE_USE_GATHER_4PARTS): Ditto.
	(X86_TUNE_USE_GATHER_8PARTS): Ditto.
	(X86_TUNE_AVOID_128FMA_CHAINS): Ditto.
	(X86_TUNE_AVOID_256FMA_CHAINS): Ditto.
	(X86_TUNE_USE_RCR): Ditto.
	(X86_TUNE_AVX256_MOVE_BY_PIECES): Handle m_C86_4G_M{4,6}.
	(X86_TUNE_USE_SCATTER_2PARTS): Handle m_C86_4G_M7.
	(X86_TUNE_USE_SCATTER_4PARTS): Ditto.
	(X86_TUNE_USE_SCATTER_8PARTS): Ditto.
	(X86_TUNE_AVX512_SPLIT_REGS): Ditto.
	(X86_TUNE_AVX256_MOVE_BY_PIECES): Ditto.
	(X86_TUNE_AVX256_STORE_BY_PIECES): Ditto.
	(X86_TUNE_AVX512_MOVE_BY_PIECES): Ditto.
	(X86_TUNE_AVX512_STORE_BY_PIECES): Ditto.
	* doc/extend.texi: Document about hygonfam18h and c86-4g-m{4,6,7}.
	* doc/invoke.texi: Document about c86-4g-m{4,6,7}.
	* config/i386/c86-4g-m7.md: New file for c86-4g-m7 scheduling model
	information.
	* config/i386/c86-4g.md: New file for c86-4g-m{4,6} scheduling model
	information.
	* config/i386/i386.md (cpu attr): Add c86_4g_m{4,6,7}.
	(c86-4g.md): New include.
	(c86-4g-m7.md): Ditto.
	(*cmpi<unord>xf_i387): Set attr c86_decode.
	(*cmpi<unord><MODEF:mode>): Ditto.
	(swap<mode>): Ditto.
	(*swap<mode>): Ditto.
	(extendhisi2): Ditto.
	(floathi<mode>2): Ditto.
	(float<SWI48x:mode>xf2): Ditto.
	(*float<SWI48:mode><MODEF:mode>2): Ditto.
	(*floatdi<MODEF:mode>2_i387): Ditto.
	(*anddi_1_bt): Ditto.
	(*iordi_1_bts): Ditto.
	(*xordi_1_btc): Ditto.
	(*<btsc><mode>): Ditto.
	(*btr<mode>): Ditto.
	(*btsq_imm): Ditto.
	(*btrq_imm): Ditto.
	(*btcq_imm): Ditto.
	(*tzcnt<mode>_1): Ditto.
	(*tzcnt<mode>_1_falsedep): Ditto.
	(*bsf<mode>_1): Ditto.
	(*ctz<mode>2_falsedep): Ditto.
	(*ctzsi2_zext): Ditto.
	(*ctzsi2_zext_falsedep): Ditto.
	(bsr_rex64): Ditto.
	(bsr_rex64_1): Ditto.
	(bsr_rex64_1_zext): Ditto.
	(bsr): Ditto.
	(bsr_1): Ditto.
	(bsr_zext_1): Ditto.
	(*bswaphi2_movbe): Ditto.
	(*bswaphi2): Ditto.
	(bswaphisi2_lowpart): Ditto.
	(fpremxf4_i387): Ditto.
	(fprem1xf4_i387): Ditto.
	(<sincos>xf2): Ditto.
	(sincosxf3): Ditto.
	(fptanxf4_i387): Ditto.
	(atan2xf3): Ditto.
	(fyl2xxf3_i387): Ditto.
	(fyl2xp1xf3_i387): Ditto.
	(fxtractxf3_i387): Ditto.
	(*f2xm1xf2_i387): Ditto.
	(fscalexf4_i387): Ditto.
	(rintxf2): Ditto.
	(*movxi_internal_avx512f): Set attr c86_attr.
	(*movoi_internal_avx): Ditto.
	(*movti_internal): Ditto.
	(*movdi_internal): Ditto.
	(*movsi_internal): Ditto.
	(*movhi_internal): Ditto.
	(*movtf_internal): Ditto.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.
	(*zero_extendsidi2): Ditto.
	(sqrtxf2): Ditto.
	(<smaxmin:code><mode>3): Ditto.
	(*ieee_s<ieee_maxmin><mode>3): Ditto.
	* config/i386/mmx.md (*mmx_maskmovq): Set attr c86_decode.
	(*mmx_maskmovq): Ditto.
	(sse_movntq): Set attr c86_attr.
	(*mmx_blendps): Ditto.
	(mmx_blendvps): Ditto.
	(*mmx_pmaddwd): Ditto.
	(mmx_pblendvb_v8qi): Ditto.
	(mmx_pblendvb_<mode>): Ditto.
	(sse4_1_<code>v4qiv4hi2): Ditto.
	(sse4_1_<code>v2hiv2si2): Ditto.
	(sse4_1_<code>v2qiv2si2): Ditto.
	(sse4_1_<code>v2qiv2hi2): Ditto.
	(*mmx_pinsrd): Ditto.
	(*mmx_pinsrw): Ditto.
	(*mmx_pinsrb): Ditto.
	(*mmx_pextrw): Ditto.
	(*mmx_pextrw<mode>): Ditto.
	(*mmx_pextrw_zext): Ditto.
	(*mmx_pextrb): Ditto.
	(*mmx_pextrb_zext): Ditto.
	(*mmx_pblendw64): Ditto.
	(*mmx_pblendw32): Ditto.
	(*vec_extractv2si_1): Ditto.
	(*vec_extractv2si_1_zext): Ditto.
	(*pinsrw): Ditto.
	(*pinsrb): Ditto.
	(*pextrw): Ditto.
	(*pextrw<mode>): Ditto.
	(*pextrw_zext): Ditto.
	(*pextrb): Ditto.
	(*pextrb_zext): Ditto.
	(*mmx_psadbw): Ditto.
	* config/i386/sse.md (ktest<mode>): Set attr c86_decode.
	(*kortest<mode>): Ditto.
	(sse_cvtsi2ss<rex64namesuffix><round_name>): Ditto.
	(sse2_cvtsi2sd): Ditto.
	(sse2_maskmovdqu): Ditto.
	(*<sse>_dp<ssemodesuffix><avxsizesuffix>): Ditto.
	(*<sse4_1_avx2>_mpsadbw): Ditto.
	(pclmulqdq): Ditto.
	(<mask_codefor>conflict<mode><mask_name>): Ditto.
	(<avx512>_blendm<mode>): Set attr c86_attr.
	(sse2_movnti<mode>): Ditto.
	(<sse>_movnt<mode>): Ditto.
	(<sse2>_movnt<mode>): Ditto.
	(<sse>_rcp<mode>2): Ditto.
	(sse_vmrcpv4sf2): Ditto.
	(<mask_codefor>rcp14<mode><mask_name>): Ditto.
	(srcp14<mode>): Ditto.
	(srcp14<mode>_mask): Ditto.
	(<sse>_sqrt<mode>2<mask_name><round_name>): Ditto.
	(<sse>_vmsqrt<mode>2<mask_scalar_name><round_scalar_name>): Ditto.
	(*<sse>_vmsqrt<mode>2<mask_scalar_name><round_scalar_name>): Ditto.
	(<mask_codefor>rsqrt14<mode><mask_name>): Ditto.
	(rsqrt14<mode>): Ditto.
	(rsqrt14_<mode>_mask"): Ditto.
	(*<code><mode>3<mask_name><round_saeonly_name>): Ditto.
	(ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>): Ditto.
	(*<sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name>):
	Ditto.
	(<sse>_ieee_vm<ieee_maxmin><mode>3<mask_scalar_name>
	<round_saeonly_scalar_name>): Ditto.
	(*ieee_<ieee_maxmin><mode>3): Ditto.
	(avx_h<insn>v4df3): Ditto.
	(*sse3_haddv2df3): Ditto.
	(sse3_hsubv2df3): Ditto.
	(*sse3_haddv2df3_low): Ditto.
	(*sse3_hsubv2df3_low): Ditto.
	(avx_h<insn>v8sf3): Ditto.
	(sse3_h<insn>v4sf3): Ditto.
	(*<mask_codefor>reducep<mode><mask_name><round_saeonly_name>): Ditto.
	(reduces<mode><mask_scalar_name><round_saeonly_scalar_name>): Ditto.
	(*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Ditto.
	(<sse>_andnot<mode>3<mask_name>): Ditto.
	(*<code><mode>3<mask_name>): Ditto.
	(*andnot<mode>3): Ditto.
	(<code><mode>3): Ditto.
	(*<code>tf3): Ditto.
	(vec_set<mode>_0): Ditto.
	(@vec_set<mode>_0): Ditto.
	(*sse4_1_extractps): Ditto.
	(vec_extract<mode>): Ditto.
	(<mask_codefor><avx512>_align<mode><mask_name>): Ditto.
	(avx512bw_pmaddwd512<mode><mask_name>): Ditto.
	(*avx2_pmaddw): Ditto.
	(*sse2_pmaddwd): Ditto.
	(*avx2_<code><mode>3): Ditto.
	(*avx512f_<code><mode>3<mask_name>): Ditto.
	(*avx512bw_<code><mode>3<mask_name>): Ditto.
	(*sse4_1_<code><mode>3<mask_name>): Ditto.
	(*<code>v8hi3): Ditto.
	(*<code>v16qi3): Ditto.
	(*andnot<mode>3_mask): Ditto.
	(*<code><mode>3): Ditto.
	(<code>v1ti3): Ditto.
	(<sse2p4_1>_pinsr<ssemodesuffix>): Ditto.
	(*<extract_type>_vinsert<shuffletype><extract_suf>_0): Ditto.
	(<mask_codefor><extract_type>_vinsert<shuffletype><extract_suf>
	_1<mask_name>): Ditto.
	(vec_set_lo_<mode><mask_name>): Ditto.
	(vec_set_hi_<mode><mask_name>): Ditto.
	(<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>): Ditto.
	(avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ditto.
	(*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1): Ditto.
	(avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ditto.
	(avx512f_shuf_<shuffletype>32x4_1<mask_name>): Ditto.
	(*avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): Ditto.
	(*vec_extract<mode>): Ditto.
	(*vec_extract<PEXTR_MODE12:mode>_zext): Ditto.
	(*vec_extractv16qi_zext): Ditto.
	(*vec_extractv4si): Ditto.
	(*vec_extractv4si_zext): Ditto.
	(*vec_extractv2di_1): Ditto.
	(*vec_concatv2si_sse4_1): Ditto.
	(vec_concatv2di): Ditto.
	(*<sse2_avx2>_uavg<mode>3<mask_name>): Ditto.
	(*<sse2_avx2>_psadbw): Ditto.
	(<sse>_movmsk<ssemodesuffix><avxsizesuffix>): Ditto.
	(*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): Ditto.
	(<sse2_avx2>_pmovmskb): Ditto.
	(*<sse2_avx2>_pmovmskb_zext): Ditto.
	(*sse2_maskmovdqu): Ditto.
	(avx2_ph<plusminus_mnemonic>wv16hi3): Ditto.
	(ssse3_ph<plusminus_mnemonic>wv8hi3): Ditto.
	(ssse3_ph<plusminus_mnemonic>dv4si3): Ditto.
	(avx2_ph<plusminus_mnemonic>dv8si3): Ditto.
	(avx2_pmaddubsw256): Ditto.
	(avx512bw_pmaddubsw512<mode><mask_name>): Ditto.
	(ssse3_pmaddubsw128): Ditto.
	(<ssse3_avx2>_psign<mode>3): Ditto.
	(ssse3_psign<mode>3): Ditto.
	(*abs<mode>2): Ditto.
	(abs<mode>2_mask): Ditto.
	(abs<mode>2_mask): Ditto.
	(sse4a_movnt<mode>): Ditto.
	(sse4a_vmmovnt<mode>): Ditto.
	(<sse4_1>_blend<ssemodesuffix><avxsizesuffix>): Ditto.
	(<sse4_1>_blendv<ssemodesuffix><avxsizesuffix>): Ditto.
	(sse4_1_blendv<ssemodesuffix>): Ditto.
	(<vi8_sse4_1_avx2_avx512>_movntdqa): Ditto.
	(<sse4_1_avx2>_pblendvb): Ditto.
	(sse4_1_pblend<ssemodesuffix>): Ditto.
	(*avx2_pblend<ssemodesuffix>): Ditto.
	(avx2_pblendd<mode>): Ditto.
	(avx2_<code>v16qiv16hi2<mask_name>): Ditto.
	(avx512bw_<code>v32qiv32hi2<mask_name>): Ditto.
	(sse4_1_<code>v8qiv8hi2<mask_name>): Ditto.
	(*sse4_1_<code>v8qiv8hi2<mask_name>_1): Ditto.
	(<mask_codefor>avx512f_<code>v16qiv16si2<mask_name>): Ditto.
	(avx2_<code>v8qiv8si2<mask_name>): Ditto.
	(*avx2_<code>v8qiv8si2<mask_name>_1): Ditto.
	(sse4_1_<code>v4qiv4si2<mask_name>): Ditto.
	(*sse4_1_<code>v4qiv4si2<mask_name>_1): Ditto.
	(avx512f_<code>v16hiv16si2<mask_name>): Ditto.
	(avx2_<code>v8hiv8si2<mask_name>): Ditto.
	(sse4_1_<code>v4hiv4si2<mask_name>): Ditto.
	(*sse4_1_<code>v4hiv4si2<mask_name>_1): Ditto.
	(avx512f_<code>v8qiv8di2<mask_name>): Ditto.
	(*avx512f_<code>v8qiv8di2<mask_name>_1): Ditto.
	(avx2_<code>v4qiv4di2<mask_name>): Ditto.
	(*avx2_<code>v4qiv4di2<mask_name>_1): Ditto.
	(sse4_1_<code>v2qiv2di2<mask_name>): Ditto.
	(*sse4_1_<code>v2qiv2di2<mask_name>_1): Ditto.
	(avx512f_<code>v8hiv8di2<mask_name>): Ditto.
	(avx2_<code>v4hiv4di2<mask_name>): Ditto.
	(*avx2_<code>v4hiv4di2<mask_name>_1): Ditto.
	(sse4_1_<code>v2hiv2di2<mask_name>): Ditto.
	(*sse4_1_<code>v2hiv2di2<mask_name>_1): Ditto.
	(avx512f_<code>v8siv8di2<mask_name>): Ditto.
	(avx2_<code>v4siv4di2<mask_name>): Ditto.
	(sse4_1_<code>v2siv2di2<mask_name>): Ditto.
	(*sse4_1_<code>v2siv2di2<mask_name>_1): Ditto.
	(sse4_1_round<ssescalarmodesuffix>): Ditto.
	(*sse4_1_round<ssescalarmodesuffix>"): Ditto.
	(sse4_2_pcmpestri): Ditto.
	(sse4_2_pcmpestrm): Ditto.
	(sse4_2_pcmpestr_cconly): Ditto.
	(sse4_2_pcmpistri): Ditto.
	(sse4_2_pcmpistrm): Ditto.
	(sse4_2_pcmpistr_cconly): Ditto.
	(xop_phadd<u>bw): Ditto.
	(xop_phadd<u>bd): Ditto.
	(xop_phadd<u>bq): Ditto.
	(xop_phadd<u>wd): Ditto.
	(xop_phadd<u>wq): Ditto.
	(xop_phadd<u>dq): Ditto.
	(xop_phsubbw): Ditto.
	(xop_phsubwd): Ditto.
	(xop_phsubdq): Ditto.
	(aesenc): Ditto.
	(aesenclast): Ditto.
	(aesdec): Ditto.
	(aesdeclast): Ditto.
	(aesimc): Ditto.
	(aeskeygenassist): Ditto.
	(<avx2_avx512>_permvar<mode><mask_name>): Ditto.
	(avx2_perm<mode>_1<mask_name>): Ditto.
	(<avx512>_permvar<mode><mask_name>): Ditto.
	(avx512f_perm<mode>_1<mask_name>): Ditto.
	(<mask_codefor>avx512f_broadcast<mode><mask_name>): Ditto.
	(avx_vbroadcastf128_<mode>): Ditto.
	(<mask_codefor>avx512vl_broadcast<mode><mask_name>_1): Ditto.
	(<mask_codefor>avx512dq_broadcast<mode><mask_name>_1): Ditto.
	(*<avx512>_vpermi2var<mode>3_mask): Ditto.
	(<avx512>_vpermt2var<mode>3<sd_maskz_name>): Ditto.
	(<avx512>_vpermt2var<mode>3_mask): Ditto.
	(*avx_vperm2f128<mode>_nozero): Ditto.
	(vec_set_lo_<mode><mask_name>): Ditto.
	(vec_set_hi_<mode><mask_name>): Ditto.
	(vec_set_lo_<mode>): Ditto.
	(vec_set_hi_<mode>): Ditto.
	(vec_set_lo_v32qi): Ditto.
	(<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>): Ditto.
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Ditto.
	(avx_vec_concat<mode>): Ditto.
	(<avx512>_compress<mode>_mask): Ditto.
	(compress<mode>_mask): Ditto.
	(<avx512>_compressstore<mode>_mask): Ditto.
	(compressstore<mode>_mask): Ditto.
	(expand<mode>_mask): Ditto.
	(<mask_codefor>avx512bw_dbpsadbw<mode><mask_name>): Ditto.
	(clz<mode>2<mask_name>): Ditto.
	(vpmadd52<vpmadd52type>v8di): Ditto.
	(vpmadd52<vpmadd52type><mode>): Ditto.
	(vpmadd52<vpmadd52type><mode>_maskz_1): Ditto.
	(vpmadd52<vpmadd52type><mode>_mask): Ditto.
	(vaesdec_<mode>): Ditto.
	(vaesdeclast_<mode>): Ditto.
	(vaesenc_<mode>): Ditto.
	(vaesenclast_<mode>): Ditto.

2026-06-17  Zhongyao Chen  <chen.zhongyao@zte.com.cn>

	PR target/125215
	* config/riscv/riscv-v.cc (expand_const_vector_interleaved_stepped_npatterns):
	Remove hi/lo optimization and always use the merge fallback.

2026-06-17  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2026-06-09  Alex Coplan  <alex.coplan@arm.com>

	PR middle-end/125621
	* expmed.cc (make_tree): Fix CONST_POLY_INT case to pass type
	instead of t, move it to its own switch case.

2026-06-17  Kishan Parmar  <kishan@linux.ibm.com>

	Backported from master:
	2026-05-22  Steve Markgraf  <steve@steve-m.de>

	* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Add PROCESSOR_MPCCORE.

2026-06-17  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-06-15  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/125795
	* config/aarch64/aarch64-early-ra.cc (early_ra::allocate_colors):
	Compute the allocated-FPR mask as
	((1ULL << color->group->size) - 1) << best.

2026-06-17  Carter Rennick  <carter.rennick@gmail.com>

	Backported from master:
	2026-04-24  Carter Rennick  <carter.rennick@gmail.com>

	PR target/120144
	* config/mips/mips.h (MAX_FIXED_MODE_SIZE): Remove.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-06-10  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR ipa/125699
	* ipa-param-manipulation.cc (ipa_param_body_adjustments::prepare_debug_expressions): Fix
	lifetime issue with m_dead_ssa_debug_equiv usage.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-06-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/125776
	* tree-ssa-phiopt.cc (is_factor_profitable): An
	usage in a debug stmt should be ignored.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-06-14  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/125774
	* gimple-range-fold.cc (fold_using_range::relation_fold_and_or): Use
	relation_swap rather than relation_negate when the operands are exchanged.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-03-12  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR rtl-optimization/123822
	* simplify-rtx.cc (simplify_context::simplify_subreg): Check the
	mode of the part to be non-VOIDmode before calling gen_rtx_SUBREG.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR rtl-optimization/124454
	* regcprop.cc (pass_cprop_hardreg::execute): If something
	changed and non-call exceptions is on, call purge_all_dead_edges
	and cleanup_cfg.

2026-06-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-02-18  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR rtl-optimization/116053
	* regcprop.cc (copyprop_hardreg_forward_1): Use delete_insn_and_edges
	instead of delete_insn.

2026-06-17  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/125501
	* tree-ssa-dom.cc (set_global_ranges_from_unreachable_edges): Abort
	if there are 2 SSA_NAMES on the branch condition.

2026-06-16  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-05-12  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/124151
	* tree-sra.cc (build_user_friendly_ref_for_offset): Added parameters
	CUR_SIZE and EXP_SIZE.  Added code passing the correct CUR_SIZE and
	checking it against EXP_SIZE.  Removed unused code for the case when
	EXP_TYPE was NULL_TREE.
	(create_artificial_child_access): Adjusted the call to
	build_user_friendly_ref_for_offset.
	(propagate_subaccesses_from_rhs): Likewise.
	(propagate_subaccesses_from_rhs): Removed a check that the size of
	lchild is a multiple of BITS_PER_UNIT.
	(propagate_subaccesses_from_lhs): Likewise.

2026-06-12  Ramin Moussavi  <lordrasmus@gmail.com>

	* config/microblaze/microblaze.h (DWARF_ALT_FRAME_RETURN_COLUMN):
	Define.

2026-06-12  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2026-06-11  Georg-Johann Lay  <avr@gjlay.de>

	PR target/125751
	* config/avr/avr.cc (avr_out_fract): Fix too small sequence
	lengths in avr_asm_len calls.

2026-06-12  Release Manager

	* GCC 15.3.0 released.

2026-06-05  Tamar Christina  <tamar.christina@arm.com>

	Backported from master:
	2026-04-17  Tamar Christina  <tamar.christina@arm.com>

	PR middle-end/124900
	* gimple-crc-optimization.cc (crc_optimization::optimize_crc_loop): Do
	not expand to table when compiling for size.
	(class crc_optimization): Update prototype of optimize_crc_loop to
	include loop.
	(crc_optimization::execute): Pass loop to optimize_crc_loop.

2026-06-05  Tamar Christina  <tamar.christina@arm.com>

	Backported from master:
	2026-06-03  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/125431
	* tree-vect-slp-patterns.cc (complex_mul_pattern::matches,
	complex_fms_pattern::matches): Gate on FP contraction.

2026-06-03  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-05-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/125250
	* tree-ssa-loop-im.cc (execute_sm): For modes that cannot
	transfer bits, _Bool and bitfield accesses force the
	multi-threaded model.

2026-06-03  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-02-14  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/124086
	* tree-complex.cc (extract_component): Extend the check
	for ssa names for VCE to include invariants.

2026-06-03  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-02-04  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR middle-end/121661
	* tree-complex.cc (extract_component): Create gimple
	assign statements directly rather than call force_gimple_operand_gsi.

2026-06-03  Andrew MacLeod  <amacleod@redhat.com>

	Backported from master:
	2025-10-01  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/120560
	* vr-values.cc (range_from_loop_direction): Use wi::ge_p rather
	than wi::gt_p.

2026-06-03  Jan Hubicka  <hubicka@ucw.cz>

	Backported from master:
	2026-04-17  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/120098
	* ipa-polymorphic-call.cc (polymorphic_ctor_dtor_p): Remove
	check for pure/const flags

2026-06-03  Jan Hubicka  <hubicka@ucw.cz>

	Backported from master:
	2026-04-17  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/120098
	* ipa-devirt.cc (odr_type_p): Add no_derived_construction_vtables
	(odr_types_ptr): Move ahead in file.
	(odr_types): Move ahead in file.
	(anonymous_construction_vtable_p): New function.
	(mark_derived_construction_vtables): New function.
	(construction_vtable_hook): New function.
	(type_possibly_instantiated_p): Watch for construction vtables.

2026-06-03  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-06-01  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* config/aarch64/tuning_models/olympus.h (olympus_scalar_issue_info,
	olympus_advsimd_issue_info, olympus_sve_issue_info): Set
	loads_stores_per_cycle to 6.

2026-06-03  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-06-01  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/122827
	* config/aarch64/aarch64.cc (aarch64_hard_regno_call_part_clobbered):
	For SVE modes use BYTES_PER_SVE_VECTOR for the per-register size
	rather than GET_MODE_SIZE.
	* config/aarch64/aarch64-early-ra.cc (early_ra::get_allocno_subgroup):
	Classify any SVE mode as FPR_Z.

2026-06-02  Roger Sayle  <roger@nextmovesoftware.com>

	Backported from master:
	2025-10-15  Roger Sayle  <roger@nextmovesoftware.com>

	PR rtl-optimization/122266
	* combine.cc (struct reg_stat_type): Change types of sign_bit_copies
	and last_set_sign_bit_copies to unsigned short, to avoid overflows
	on TImode (and wider) values.

2026-06-02  Richard Biener  <rguenther@suse.de>

	Revert:
	2025-06-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120003
	* tree-ssa-threadbackward.cc (back_threader::find_paths_to_names):
	Allow block re-use but do not enlarge the path beyond such a
	re-use.

2026-06-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-05-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/125146
	* gimple-fold.cc (fold_stmt_1): Discard stmts in seq
	after failed gimple_simplify as well.

2026-06-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-04-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/125025
	* tree-ssa-loop-niter.cc (number_of_iterations_ne): Avoid
	negation of most negative signed integer.
	(number_of_iterations_lt): Likewise.

2026-06-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-04-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/125019
	* tree-vect-loop.cc (vectorizable_recurr): Properly guard
	against hitting last stmt when searching for the insertion
	place.

2026-06-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-04-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124868
	* gimple-ssa-isolate-paths.cc (handle_return_addr_local_phi_arg):
	Do not diagnose returns in blocks not dominated by the PHI.
	(find_implicit_erroneous_behavior): Do two sweeps over PHIs,
	first for NULL dereferences and then for local address returns.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/125373
	* config/i386/i386.md
	(Convert imul by three, five and nine into lea define_peephole2s): Use
	index_reg_operand instead of register_operand.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-05-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/125079
	* tree-ssa-strlen.cc (get_string_length): Transform
	__strcat_chk (x, y, z) when we need strlen (x) afterwards into
	l1 = strlen (x); l = __stpcpy_chk (x + l1, y, z - l1) - x;
	where l is the strlen (x), instead of using z as last __stpcpy_chk
	argument.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/125039
	* range-op-float.cc (operator_not_equal::fold_range): Call
	empty_range_varying when not calling frelop_early_resolve.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/124133
	* config/rs6000/rs6000-c.cc (c_fold_convert): New function.
	(c_fold_build2_loc): Likewise.
	(fully_fold_convert): Use c_fold_convert instead of fold_convert.
	(altivec_build_resolved_builtin): Likewise.  Use c_fold_build2_loc
	instead of fold_build2.
	(resolve_vec_mul, resolve_vec_adde_sube, resolve_vec_addec_subec):
	Use c_fold_build2_loc instead of fold_build2_loc.
	(resolve_vec_splats, resolve_vec_extract): Use c_fold_convert instead
	of fold_convert.
	(resolve_vec_insert): Use c_fold_build2_loc instead of fold_build2.
	(altivec_resolve_overloaded_builtin): Use c_fold_convert instead
	of fold_convert.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/124892
	* config/i386/i386.md (clz<mode>2_lzcnt_nf,
	<lt_zcnt>_<mode>_nf, popcount<mode>2_nf): Emit explicit
	set of (match_dup 0) to (const_int 0) without flags clobber instead of
	using ix86_expand_clear.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/124891
	* tree-ssa-propagate.cc
	(substitute_and_fold_dom_walker::before_dom_children): Call update_stmt
	in the did_replace case before calling fold_stmt.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/124826
	* gimple-lower-bitint.cc (bitint_large_huge::handle_load): Look through
	BIT_FIELD_REF with zero bit offset.

2026-06-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/124754
	* tree-ssa-strlen.cc (strlen_pass::handle_builtin_strcpy): Make
	sure both get_stridx calls are done before first get_strinfo call.
	(strlen_pass::handle_builtin_memcpy): Likewise.
	(strlen_pass::handle_builtin_strcat): Likewise.

2026-06-01  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.cc (pa_trampoline_init): Rework to use
	clear_cache pattern.
	* config/pa/pa.md (dcacheflush): Use "<<" condition instead
	of "<<=".
	(icacheflush): Remove.
	(icacheflush1, icacheflush2, icacheflush3): New flush patterns
	for PA 1.x targets, PA 2.0 targets, and PA 1.x no space
	register targets.
	(clear_cache): Rework to flush data and instruction caches.
	Skip flush if the start address is greater than or equal to
	the end address.  Don't align the end address to a cacheline
	boundary.  Handle instruction flushes for PA 1.x targets,
	PA 2.0 targets, and PA 1.x no space register targets.

2026-06-01  Christophe Lyon  <christophe.lyon@arm.com>

	Backported from master:
	2026-05-19  Christophe Lyon  <christophe.lyon@arm.com>

	PR target/124870
	* config/arm/arm-mve-builtins-base.cc (vstrq_scatter_base_impl)
	(vldrq_gather_base_impl): Fix call_properties.

2026-05-27  liuhongt  <hongtao.liu@intel.com>

	Backported from master:
	2026-05-27  liuhongt  <hongtao.liu@intel.com>

	* config/i386/x86-tune.def (X86_TUNE_USE_GATHER_2PARTS): Disable
	for m_DIAMONDRAPIDS.
	(X86_TUNE_USE_GATHER_4PARTS): Likewise.

2026-05-25  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2026-05-25  Georg-Johann Lay  <avr@gjlay.de>

	PR target/125409
	* config/avr/avr-fixed.md (FIXED_A, FIXED_B): Add PSI to iterators.

2026-05-20  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2026-05-08  Xi Ruoyao  <xry111@xry111.site>

	PR target/125049
	* config/loongarch/predicates.md (ssp_operand): New
	define_predicate.
	(ssp_normal_operand): New define_predicate.
	* config/loongarch/constraints.md (ZE): New define_constraint.
	(ZF): New define_constraint.
	* config/loongarch/loongarch.md (UNSPEC_SSP): New unspec.
	(cbranch4): Add "@" to create gen_cbranch4(machine_mode, ...).
	(@stack_protect_combined_set_normal_<mode>): New define_insn.
	(@stack_protect_combined_set_extreme_<mode>): New define_insn.
	(@stack_protect_combined_test_internal_<mode>): New define_insn.
	(stack_protect_combined_set): New define_expand.
	(stack_protect_combined_test): New define_expand.
	* config/loongarch/loongarch-protos.h
	(loongarch_output_asm_load_canary): Declare.
	* config/loongarch/loongarch.cc (loongarch_print_operand): Allow
	'v' to print d/w for DImode/SImode.
	(loongarch_output_asm_load_canary): Implement.

2026-05-19  Andi Kleen  <ak@gcc.gnu.org>

	PR target/125351
	* config/i386/i386.md: Use alternative to handle masm ptwrite
	syntax.

2026-05-16  Gopi Kumar Bulusu  <gopi@sankhya.com>

	PR target/103383
	* config/microblaze/microblaze.md: bswaphi2: (set_attr length 8)

2026-05-14  Andi Kleen  <ak@gcc.gnu.org>

	PR target/124316
	* config/i386/i386.md (ptwrite): Add explicit mode to
	instruction.

2026-05-14  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2026-05-14  Georg-Johann Lay  <avr@gjlay.de>

	PR target/125194
	* config/avr/avr.cc (avr_no_call_main_p): Remove variable...
	(avr_file_end): ...and code that uses it.
	(avr_insert_attributes): Same.  Add "used" to main attributes
	when -mno-call-main.
	* config/avr/gen-avr-mmcu-specs.cc (print_mcu): Emit code
	for link_no_call_main specs.
	* config/avr/specs.h (LINK_SPEC): Add %(link_no_call_main).

2026-05-03  Collin Funk  <collin.funk1@gmail.com>

	Backported from master:
	2026-05-03  Collin Funk  <collin.funk1@gmail.com>

	* glimits.h (__STDC_VERSION_LIMITS_H__): Only define the macro
	if it was not already defined.

2026-04-30  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2026-04-14  Richard Earnshaw  <rearnsha@arm.com>

	PR target/123102
	* config/arm/arm.md (*cmp_ite0): Apply stricter checks on the
	comparison mode.
	(*cmp_ite1, *cmp_and, *cmp_ior): Likewise.

2026-04-29  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-04-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/122976
	* tree-sra.cc (path_comparable_for_same_access): Return false if the
	base is a MEM_REF with a different underlying type.

2026-04-29  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-04-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/124777
	* ipa-cp.h (ipacp_value_safe_for_type): Declare.
	* ipa-cp.cc (ipacp_value_safe_for_type): Make public.
	* ipa-prop.cc (ipa_set_jf_cst_copy): Fix comment.
	(ipa_convert_prop_cst_jf): New function.
	(update_jump_functions_after_inlining): Handle the constant to
	pass-through case by calling ipa_convert_prop_cst_jf.

2026-04-29  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2026-04-22  Richard Earnshaw  <rearnsha@arm.com>

	PR target/124933
	* config/arm/constraints.md (Uj): Allow offset addressing for
	all targets, only allow Neon addressing when we have both Neon
	and FP16INST.
	* config/arm/vfp.md (mov<mode>_vfp_<mode>16): Only use vld1/vst1
	when the pattern needs address write-back.

2026-04-27  Surya Kumari Jangala  <jskumari@linux.ibm.com>

	Backported from master:
	2025-12-14  Surya Kumari Jangala  <jskumari@linux.ibm.com>

	PR rtl-optimization/122274
	* regcprop.cc (value_data_entry): New field.
	(kill_value_one_regno): Update field.
	(init_value_data): Initialize field.
	(kill_set_value_data): New field.
	(kill_set_value): Update field.
	(kill_autoinc_value): Likewise.
	(copy_value): New parameter. Update field.
	(incompatible_frame_status): New function.
	(find_oldest_value_reg): New parameter. Compare frame relatedness of
	insn and propagated value.
	(replace_oldest_value_reg): Pass additional parameter to
	find_oldest_value_reg().
	(copyprop_hardreg_forward_1): Pass additional parameter to
	find_oldest_value_reg(). Compare frame relatedness of insn and
	propagated value. Call copy_value() with additional parameter.

2026-04-22  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-12-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123002
	* tree-vectorizer.h (supportable_widening_operation): Remove
	vinfo and stmt_info parameters, add flag to indicate whether
	the context would allow OP_{EVEN,ODD}.
	* tree-vect-patterns.cc (vect_recog_abd_pattern): Adjust
	and pass false.
	(vect_recog_widen_op_pattern): Likewise.
	(vect_recog_widen_abd_pattern): Likewise.
	* tree-vect-stmts.cc (vectorizable_conversion): Move
	even/odd validity check here, from supportable_widening_operation.
	Adjust it to be conservative.
	(supportable_widening_operation): Get flag whether even/odd
	is OK to use and remove then unused parameters and code.

2026-04-19  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2026-04-14  H.J. Lu  <hjl.tools@gmail.com>

	PR target/124876
	* config/i386/i386.cc (ix86_zero_call_used_regs): Zero ZMM16-31
	if needed.

2026-04-14  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-04-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124802
	* tree-vect-slp-patterns.cc (vect_match_expression_p): Fail
	for SLP_TREE_PERMUTE_P.

2026-04-14  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-03-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124677
	* tree-vect-loop.cc (vectorizable_recurr): Skip vector
	stmts for the def.

2026-04-14  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-03-27  Richard Biener  <rguenther@suse.de>

	PR debug/124644
	* dwarf2out.cc (dwarf2out_abstract_function): Only
	add DW_AT_artificial if the decl isn't DECL_ARTIFICIAL.

2026-04-14  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124555
	* match.pd ((A - B) >=/> 0 ? (A - B) : (B - A) -> abs (A - B)):
	Guard the vector case with target_supports_op_p checks.
	((A - B) <=/< 0 ? (A - B) : (B - A) -> -abs (A - B)): Likewise.
	((type)A >=/> 0 ? A : -A -> abs (A)): Likewise.
	((type)A <=/< 0 ? A : -A -> -abs (A)): Likewise.

2026-04-14  Jan Hubicka  <jh@suse.cz>

	Backported from master:
	2026-03-10  Jan Hubicka  <jh@suse.cz>
		    Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/120987
	* ipa-modref.cc (ipa_merge_modref_summary_after_inlining): Mask
	off non const/pure/novops related flags when combining of outer
	functions.

2026-04-13  Vineet Gupta  <vineet.gupta@linux.dev>

	PR target/124670
	* config/bpf/bpf.md (zero_extendsidi2): Use 'W' in asm template.

2026-04-13  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2026-03-11  Richard Earnshaw  <rearnsha@arm.com>

	PR target/123271
	* config/arm/arm.md (subvsi3_intmin): Renamed to ...
	(sub_cmpVsi3_intmin): ... this.
	(subvsi3): Renamed to ...
	(sub_cmpVsi3): ... this.
	(subvsi3_imm1): Renamed to ...
	(sub_cmpVsi3_imm1): ... this.
	(usubvsi3_borrow): Renamed to ...
	(usub_cmpVsi3_borrow): ... this.
	(usubvsi3_borrow_imm): Renamed to ...
	(usub_cmpVsi3_borrow_imm): ... this.
	(subvsi3_borrow): Renamed to ...
	(sub_cmpVsi3_borrow): ... this.
	(subvsi3_borrow_imm): Renamed to ...
	(sub_cmpVsi3_borrow_imm): ... this.

2026-04-13  Hu, Lin1  <lin1.hu@intel.com>

	PR target/124710
	* config/i386/sse.md (iptrps2qq): New mode attribute for
	ps2qq Intel syntax memory operand size override.
	(avx10_2_vcvttps2<sat_cvt_sign_prefix>qqs<mode><mask_name><round_saeonly_name>):
	Use %<iptrps2qq>1 in Intel syntax to emit qword ptr for V2DI (128-bit)
	memory operands.
	(avx10_2_vcvttsd2<sat_cvt_sign_prefix>sis<mode><round_saeonly_name>):
	Use %q1 in Intel syntax to emit qword ptr for scalar double memory
	operands.
	(avx10_2_vcvttss2<sat_cvt_sign_prefix>sis<mode><round_saeonly_name>):
	Use %k1 in Intel syntax to emit dword ptr for scalar single memory
	operands.

2026-04-09  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2026-04-09  Xi Ruoyao  <xry111@xry111.site>

	PR target/105192
	* ifcvt.cc (find_if_header): Don't attempt to use ctrap expander
	after reload.

2026-04-07  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-04-07  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/124613
	* config/riscv/riscv-vector-builtins.cc (rvv_switcher::rvv_switcher):
	Add riscv_registering_builtins.
	(rvv_switcher::~rvv_switcher): Set riscv_registering_builtins to
	false.
	* config/riscv/riscv.cc (riscv_vector_mode_supported_p): Use
	riscv_registering_builtins.
	* config/riscv/riscv.h: Declare.

2026-04-01  Wu Haotian  <rigoligo03@gmail.com>

	Backported from master:
	2026-03-31  Wu Haotian  <rigoligo03@gmail.com>

	* config.gcc: removed linux.h and t-linux for loongarch*-*-elf* targets

2026-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-dse.cc (compute_trims): Bail out if ref->size is not
	byte aligned either.

2026-03-30  Tamar Christina  <tamar.christina@arm.com>

	PR target/123017
	* config/aarch64/aarch64-protos.h (struct cpu_branch_cost): Add
	br_mispredict_factor.
	* config/aarch64/aarch64.cc (aarch64_max_noce_ifcvt_seq_cost,
	aarch64_noce_conversion_profitable_p,
	TARGET_MAX_NOCE_IFCVT_SEQ_COST,
	TARGET_NOCE_CONVERSION_PROFITABLE_P): New.
	* config/aarch64/tuning_models/generic.h (generic_branch_cost): Add
	br_mispredict_factor.
	* config/aarch64/tuning_models/generic_armv8_a.h: Remove
	generic_armv8_a_branch_cost and use generic_branch_cost.

2026-03-29  Jeff Law  <jeffrey.law@oss.qualcomm.com>

	Backported from master:
	2026-03-29  Jeff Law  <jeffrey.law@oss.qualcomm.com>

	PR target/124674
	* config/riscv/riscv-modes.def: Create OImode.

2026-03-25  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-03-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124627
	* tree-inline.cc (copy_debug_stmts): Only copy debug
	stmts that are still in the IL.

2026-03-17  Alice Carlotti  <alice.carlotti@arm.com>

	* config/aarch64/aarch64-sve2.md (@aarch64_pred_revd<mode>):
	Remove movprfx alternative.
	(@cond_revd<mode>): Likewise.

2026-03-17  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-03-07  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR rtl-optimization/121649
	* cse.cc (find_sets_in_insn):  Only use non-reg vec_select
	simplifications.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/123573
	* fold-const.cc (fold_vec_perm): Actually check, not assert,
	that input and output vector element numbers agree.
	* match.pd (vec_perm @0 @1 @2): Make sure element numbers
	are the same when folding to an input vector and wrap that
	inside a VIEW_CONVERT_EXPR.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-12  Richard Biener  <rguenther@suse.de>

	PR middle-end/123175
	* match.pd (vec_perm @0 @1 @2): Fixup for inputs having a
	different number of elements than the result.
	* tree-vect-generic.cc (lower_vec_perm): Likewise.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-02-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124132
	* tree-ssa-loop-split.cc (compute_new_first_bound): Fix
	bound difference computation.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-02-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/124130
	* tree-inline.cc (copy_edges_for_bb): Fixup noreturn calls
	with abnormal edge source.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123596
	* tree-eh.cc (sink_clobbers): Create a virtual PHI when
	one is required but not present, queuing arguments
	for renaming.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123298
	* tree-ssa-alias.h (get_continuation_for_phi): Take a gphi *,
	add is_backedge hook argument.
	(walk_non_aliased_vuses): Add is_backedge hook argument.
	* tree-ssa-alias.cc (maybe_skip_until): Adjust.
	(get_continuation_for_phi): Use new hook to classify an
	edge into the PHI as backedge.
	(walk_non_aliased_vuses): Adjust.
	* gimple-lower-bitint.cc (bitint_dom_walker::before_dom_children):
	Likewise.
	* ipa-prop.cc (determine_known_aggregate_parts): Likewise.
	* tree-ssa-scopedtables.cc (avail_exprs_stack::lookup_avail_expr):
	Likewise.
	* tree-ssa-pre.cc (translate_vuse_through_block): Likewise.
	* tree-ssa-sccvn.cc (vn_bb_to_rpo): Make BB to RPO order
	mapping accessible from new hook.
	(do_rpo_vn_1): Likewise.
	(vn_is_backedge): New hook to classify edge.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123061
	PR tree-optimization/123636
	* tree-ssa-loop-im.cc (fill_always_executed_in_1): Change
	outer-to-inner to inner-to-outer iteration.  Update inner
	loop state only when always executed in an immediately
	nested loop.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/122537
	* tree-ssa-loop-niter.cc (number_of_iterations_lt_to_ne): Register
	may_be_zero condition when the IV may overflow.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-02-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121726
	* tree-sra.cc (build_ref_for_offset): Add force_ref_all
	parameter and use ptr_type_node as alias pointer type in
	that case.
	(build_ref_for_model): Add force_ref_all parameter and
	pass it through, forcing build_ref_for_offset.
	(generate_subtree_copies): Likewise.
	(sra_modify_call_arg): Force ref-all accesses.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-02-03  Richard Biener  <rguenther@suse.de>

	PR ipa/123416
	* ipa-modref.cc (ipa_merge_modref_summary_after_inlining):
	Fix typo in condtion for load merging when no callee summary.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/116747
	* tree-ssa-phiopt.cc (cond_if_else_store_replacement): Avoid
	duplicate stmts in the set of store pairs to process.

2026-03-16  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-28  Richard Biener  <rguenther@suse.de>

	PR ipa/111036
	* match.pd (__builtin_constant_p ((T)x)): Strip nop-conversions
	from __builtin_constant_p arguments.

2026-03-14  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR target/124461
	* config/i386/i386.md (movrs<mode>): Use <imodesuffix> only for
	-masm=att, not for -masm=intel.

2026-03-14  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR target/123457
	* config/aarch64/aarch64-sve-builtins.cc (struct registered_function_hasher):
	Change base class to ggc_ptr_hash.
	(initial_indexes): Mark with GTY.
	(function_table): Likewise.
	(handle_arm_sve_h): Allocate function_table from ggc instead of heap.

2026-03-14  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR target/124126
	* config/aarch64/aarch64-builtins.cc (aarch64_init_ls64_builtins_types): Copy
	the array type before setting the mode.

2026-03-14  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR target/123285
	* config/aarch64/aarch64-early-ra.cc (early_ra::form_chains): Process clobbers
	and ABI clobbers before starting to form the chain.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-03-12  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR target/124409
	* doc/install.texi: Increment the required binutils for
	riscv to 2.40.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-03-04  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/119568
	* tree-ssa-math-opts.cc (convert_plusminus_to_widen): Reject different
	mode classes.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-02-20  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/121103
	* gimple-fold.cc (gimple_fold_call): Don't simplify
	noreturn functions.
	* tree-ssa-dse.cc (dse_optimize_stmt): Don't handle
	calls to noreturn functions.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-01-30  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR rtl-optimization/122170
	* ifcvt.cc (noce_can_force_operand): Don't only check if
	there is an optab for the code check the entry for the
	mode is non-null. Handle non integral div by checking
	optab like force_operand does.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-02-02  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR rtl-optimization/123294
	* ifcvt.cc (noce_emit_store_flag): Reject modes
	greater than MAX_FIXED_MODE_SIZE.

2026-03-13  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2026-01-18  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/123645
	* tree-ssa-phiopt.cc (cond_removal_in_builtin_zero_pattern): Rewrite
	the canonicalization of the args code based on e1/e2 being edges into
	the join block.

2026-03-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-24  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/124147
	* config/riscv/autovec.md: Work around fractional-LMUL modes for
	TARGET_XTHEADVECTOR.
	* config/riscv/riscv-protos.h (get_m1_mode): Export.
	* config/riscv/riscv-v.cc (get_m1_mode): Allow to get a VLS m1
	vector.

2026-03-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-26  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/122448
	* config/riscv/riscv-vsetvl.cc (compute_reaching_defintion):
	Rename...
	(compute_reaching_definition): ...To this.
	(pre_vsetvl::compute_vsetvl_def_data):  Compute reaching
	definitions for vsetvl VL -> vsetvl AVL.
	(pre_vsetvl::compute_transparent): Include VL uses.
	(pre_vsetvl::fuse_local_vsetvl_info): Initialize m_reg_use_loc.
	(pre_vsetvl::earliest_fuse_vsetvl_info): Don't hoist if any
	successor would use VL.

2026-03-09  Kalvis Duckmanton  <kalvisd@gmail.com>

	Backported from master:
	2026-02-14  Kalvis Duckmanton  <kalvisd@gmail.com>

	PR target/112400
	* config/vax/vax.md (casesi1): Wrap naked operand 1 with a USE
	where used with the insn split to.
	(*casesi1): Likewise naked incoming operand 1.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/124135
	* tree-inline.cc (expand_call_inline): If both gimple_call_lhs (stmt)
	and use_retvar aren't gimple regs but have gimple reg type, use
	separate load of use_retva into SSA_NAME and then store of it
	into gimple_call_lhs (stmt).

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/124358
	* match.pd ((ptr) (x p+ y) p+ z -> (ptr) (x p+ (y + z))): Simplify
	into (ptr) x p+ (y + z) instead.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/124349
	* config/i386/sse.md (iptrssebvec_2): New define_mode_attr.
	(cvthf82ph<mode><mask_name>): Use it for -masm=intel input
	operand.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/124367
	* config/i386/sse.md (*andnot<mode>3): Use 0x44 rather than $0x44
	for -masm=intel.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/124366
	* config/i386/i386.md (@wrss<mode>, @wruss<mode>): Swap operand
	order for -masm=intel.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/124341
	* config/i386/sse.md (vcvt<convertfp8_pack><mode><mask_name>): Use
	<mask_operand3> rather than <mask_operand2> for -masm=intel.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/124349
	* config/i386/sse.md (avx10_2_comisbf16_v8bf): Use %w1 instead of %1
	for -masm=intel.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/124315
	* config/i386/sse.md (avx512f_vmfmadd_<mode>_mask3<round_name>,
	avx512f_vmfmsub_<mode>_mask3<round_name>,
	avx512f_vmfnmadd_<mode>_mask3<round_name>,
	avx512f_vmfnmsub_<mode>_mask3<round_name>): Use %<iptr>1 instead of
	%<iptr>3 in -masm=intel syntax.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/124335
	* config/i386/sse.md (*avx512f_load<mode>_mask): Use %{%3%} instead of
	%{3%} for -masm=intel syntax.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/124294
	* config/i386/sse.md (avx512fp16_mov<mode>): Fix ordering of operands
	for -masm=intel for the avx10_2 alternative.  Fix up indentation in
	the insn condition.
	(vec_set<mode>_0): Fix comment typo, higer -> higher.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/124138
	* config/i386/i386.cc (avx_vpermilp_parallel): Verify
	ipar[2] and ipar[3] aren't larger than 3.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/124056
	* cfgexpand.cc (expand_asm_stmt): If after_md_seq is non-NULL, emit
	it at the start of after_rtl_seq instead of after fallthru_label.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/116600
	PR middle-end/123386
	* cfgrtl.cc (force_nonfallthru_and_redirect): Don't do any
	asm goto adjustments early, only note in asm_goto_edge if
	any labels point originally to e->dest head.  After jumpblock
	creation don't add an extra edge for asm_goto_edge, instead
	adjust those labels pointing to former e->dest head to point
	to jumpblock instead.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123672
	* tree-ssa-forwprop.cc (recognise_vec_perm_simplify_seq): Use std::swap
	instead of fetching gimple_assign_rhs{1,2} again.  Change type of lanes
	vector from auto_vec<unsigned int> to auto_vec<bool> and store true
	instead of 1 into it.  Fix comment typo and formatting fix.
	(can_blend_vec_perm_simplify_seqs_p): Put end of comment on the same
	line as the last sentence in it.
	(calc_perm_vec_perm_simplify_seqs): Change lane_assignment type from
	auto_vec<int> to auto_vec<unsigned> and store 2 + l_orig into it
	instead of true.  Fix comment typo and formatting fix.  Set use_seq1
	to line_assignment[i] < 2 instead of line_assignment[i] != 2.  Replace
	bogus computation of index for !use_seq with using
	line_assignment[i] - 2.  Set l1 to l1 % nelts and similarly for l2.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/101312
	* alias.cc (get_alias_set): Allow TYPE_CANONICAL (mv) to be
	not its own TYPE_MAIN_VARIANT, as long as its TYPE_MAIN_VARIANT
	has TYPE_CANONICAL equal to itself.
	* tree.cc (verify_type): Likewise.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/123978
	* range-op.h (OP_WIDEN_MULT_SIGNED_UNSIGNED): Define.
	(OP_WIDEN_PLUS_SIGNED, OP_WIDEN_PLUS_UNSIGNED,
	RANGE_OP_TABLE_SIZE): Renumber.
	* gimple-range-op.cc (imple_range_op_handler::maybe_non_standard):
	Use 3 different classes instead of 2 for WIDEN_MULT_EXPR, one
	for both operands signed, one for both operands unsigned and
	one for operands with different signedness.  In the last case
	canonicalize to first operand signed second unsigned.
	* range-op.cc (operator_widen_mult_signed::wi_fold): Use
	TYPE_PRECISION (type) rather than wi::get_precision (whatever) * 2,
	use SIGNED for all wide_int::from calls.
	(operator_widen_mult_unsigned::wi_fold): Similarly but use UNSIGNED
	for all wide_int::from calls.
	(class operator_widen_mult_signed_unsigned): New type.
	(operator_widen_mult_signed_unsigned::wi_fold): Define.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR c++/123818
	* tree.cc (simple_cst_equal) <case CONSTRUCTOR>: Return -1 if some
	recursive call returns -1.  Also compare indexes.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/122689
	* gimple-lower-bitint.cc (gimple_lower_bitint): For the PHI handling
	if min_prec == prec, break after emitting assignment from c.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/121104
	* tree-ssa-math-opts.cc (match_uaddc_usubc): Punt if
	lhs of ovf1 or ovf2 doesn't have element type compatible with type.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123864
	* match.pd (__builtin_mul_overflow_p (x, cst, (stype) 0) ->
	x > stype_max / cst || x < stype_min / cst): Only check
	integer_minus_onep for signed types.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR c++/123790
	* fold-const.cc (fold_convert_const): Handle conversion of
	integer_zerop to NULLPTR_TYPE.
	(fold_convert_loc): Likewise.

2026-03-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/123876
	* omp-low.cc (diagnose_sb_2): Handle GIMPLE_ASM.

2026-03-05  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2026-03-05  Xi Ruoyao  <xry111@xry111.site>

	PR target/123807
	PR middle-end/124250
	* config/loongarch/loongarch.cc
	(loongarch_expand_vector_init_same): Revert r16-7163 change.

2026-03-04  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-02-20  Martin Jambor  <mjambor@suse.cz>

	PR ipa/122856
	* ipa-cp.cc (self_recursive_pass_through_p): Test jump function type first.
	(self_recursive_ancestor_p): New function.
	(find_scalar_values_for_callers_subset): Test also for self-recursive
	ancestor jump functions.
	(push_agg_values_for_index_from_edge): Likewise.

2026-03-04  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2026-02-26  Xi Ruoyao  <xry111@xry111.site>

	PR middle-end/124250
	PR target/123807
	* optabs.cc (expand_binop): Extend the shift amount if it's
	narrower than the element of the shifted vector.

2026-02-26  Xi Ruoyao  <xry111@xry111.site>

	Revert:
	2025-11-08  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/122097
	* config/loongarch/loongarch.cc
	(loongarch_const_vector_same_bytes_p): Add processing for
	floating-point vector data.

2026-02-26  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2026-02-03  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/predicates.md (const_vector_neg_fp_operand):
	New define_predicate.
	(reg_or_vector_neg_fp_operand): New define_predicate.
	* config/loongarch/lasx.md (copysign<mode>3): Remove.
	(xorsign<mode>3): Remove.
	* config/loongarch/lsx.md (copysign<mode>3): Remove.
	(@xorsign<mode>3): Remove.
	* config/loongarch/simd.md (copysign<mode>3): New define_expand.
	(@xorsign<mode>3): New define_expand.
	(and<mode>3): Only allow IVEC instead of ALLVEC.
	(ior<mode>3): Likewise.
	(xor<mode>3): Likewise.
	* config/loongarch/loongarch.cc (loongarch_print_operand): No
	longer allow floating-point vector constants for %V.
	(loongarch_const_vector_bitimm_set_p): Always return false for
	floating-point vector constants.
	(loongarch_build_signbit_mask): Factor out force_reg.
	(loongarch_emit_swrsqrtsf): Use integer vector mode instead of
	floating-point vector mode when masking zero inputs.

2026-02-25  Christophe Lyon  <christophe.lyon@linaro.org>

	Backported from master:
	2025-06-02  Christophe Lyon  <christophe.lyon@linaro.org>

	* doc/sourcebuild.texi (tls_link): Add documentation.

2026-02-22  Nathaniel Shead  <nathanieloshead@gmail.com>

	Backported from master:
	2026-02-22  Nathaniel Shead  <nathanieloshead@gmail.com>

	PR c++/120974
	* gcc.cc (join_spec_func): Escape special characters.

2026-02-19  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/121571
	* lra-constraints.cc (process_alt_operands): Reprocess asm insn
	when there are no enough regs for the asm-insn.

2026-02-18  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2026-02-17  Richard Earnshaw  <rearnsha@arm.com>

	PR target/124134
	* config/arm/arm.md (movsfcc): FAIL if using restricted IT
	blocks and we lack VSEL.
	(movdfcc): Likewise.

2026-02-17  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2026-01-30  Alex Coplan  <alex.coplan@arm.com>

	PR target/123206
	* config/aarch64/aarch64-builtins.cc (struct aarch64_pragma_builtins_data):
	Declare array as CONSTEXPR.
	* config/aarch64/aarch64-simd-pragma-builtins.def: Update
	incorrect uses of TARGET_SIMD to use AARCH64_FL_SIMD instead.

2026-02-16  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-02-09  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/117217
	* tree-sra.cc (propagate_subaccesses_from_rhs): Do not propagate
	bit-field children.
	(propagate_subaccesses_from_lhs): Likewise.

2026-02-16  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2026-02-06  Martin Jambor  <mjambor@suse.cz>

	PR ipa/106260
	* ipa-cp.cc (initialize_node_lattices): Replace assert that there are
	callers with handling that situation when -fno-toplevel_reorder.

2026-02-16  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-05  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/123910
	* config/riscv/riscv-string.cc (riscv_expand_block_move):
	Remove !xtheadvector guard.
	(use_vector_stringop_p): Guard small LMULs.
	(check_vectorise_memory_operation): Ditto.

2026-02-12  Pengfei Li  <Pengfei.Li2@arm.com>

	PR middle-end/123447
	* expr.cc (expand_expr_real_1): Increase stack slot alignment
	for STRICT_ALIGNMENT targets.

2026-02-11  Alice Carlotti  <alice.carlotti@arm.com>

	PR target/123624
	* config/aarch64/aarch64-protos.h
	(aarch64_use_simple_return_insn_p): New.
	* config/aarch64/aarch64.cc
	(aarch64_use_simple_return_insn_p): New, used...
	* config/aarch64/aarch64.md (simple_return): ...here.

2026-02-11  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backported from master:
	2025-04-25  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR rtl-optimization/116479
	* modulo-sched.cc (doloop_register_get): Reject conditions with
	decrements that are not 1.

2026-02-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-06  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR tree-optimization/123940
	* tree-ssa-math-opts.cc (convert_mult_to_fma): Check
	multiplication result is an addend.

2026-02-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-05  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/123870
	PR target/123969
	* config/riscv/vector.md: Add vlds to "no ratio" for
	theadvector.

2026-02-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-02-05  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/123971
	* config/riscv/riscv.cc (riscv_vector_mode_supported_any_target_p):
	Remove TARGET_XTHEADVECTOR.

2026-02-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-01-29  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/123806
	* config/riscv/riscv-string.cc (expand_rawmemchr): Use unified
	vl_read.
	(expand_strcmp): Ditto.
	* config/riscv/riscv-vector-builtins-bases.cc:
	* config/riscv/riscv-vector-builtins.cc (function_expander::use_fof_load_insn):
	Only emit the store and not the VL read.
	* config/riscv/riscv-vsetvl.cc (get_fof_set_vl_reg): New
	function.
	(init_rtl_ssa): New wrapper.
	(finish_rtl_ssa): Ditto.
	(emit_fof_read_vls): Emit read_vl after each fault-only-first
	load.
	(pass_vsetvl::simple_vsetvl): Call emit_fof_read_vls ().
	(pass_vsetvl::lazy_vsetvl): Ditto.
	* config/riscv/vector-iterators.md: Add read_vl unspec.
	* config/riscv/vector.md (read_vlsi): Unify.
	(@read_vl<mode>): Ditto.
	(read_vldi_zero_extend): Ditto.
	(@pred_fault_load_set_vl<V_VLS:mode><P:mode>): New FoF variant
	that saves VL in a register.
	(@pred_fault_load_set_vl<VT:mode><P:mode>): Ditto.

2026-02-10  Jeff Law  <jeffrey.law@oss.qualcomm.com>

	Backported from master:
	2026-01-19  Jeff Law  <jeffrey.law@oss.qualcomm.com>

	PR rtl-optimization/121787
	* config/riscv/riscv-vsetvl.cc (pre_vsetvl): Adjust call to
	loop_optimizer_init to avoid making CFG changes.

2026-02-10  Robin Dapp  <rdapp@oss.qualcomm.com>

	Backported from master:
	2026-01-22  Robin Dapp  <rdapp@oss.qualcomm.com>

	PR target/122869
	* config/riscv/riscv-vector-builtins-bases.cc (fold_fault_load):
	Remove
	* config/riscv/riscv-vector-builtins.cc (function_expander::use_contiguous_load_insn):
	Use new helper.
	(function_expander::prepare_contiguous_load_insn): New helper.
	(function_expander::use_fof_load_insn): New function to emit FoF
	loads.
	* config/riscv/riscv-vector-builtins.h: Declare new functions.

2026-02-10  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-02-10  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* config/aarch64/tuning_models/olympus.h (olympus_sve_vector_cost):
	Set align_load_cost to 6.

2026-02-09  LIU Hao  <lh_mouse@126.com>

	Backported from master:
	2025-05-06  LIU Hao  <lh_mouse@126.com>

	PR pch/14940
	* config/i386/host-mingw32.cc (mingw32_gt_pch_use_address):
	Replace the loop that attempted to map the PCH only to its
	original address with more adaptive operations

2026-02-09  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	Backported from master:
	2026-01-21  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/122781
	* config/s390/vector.md: Don't emulate vec_cmpgtu for 128-bit
	integers for VXE3.

2026-02-06  xiezhiheng  <xiezhiheng@huawei.com>

	Backported from master:
	2026-02-05  xiezhiheng  <xiezhiheng@huawei.com>
		    liyunfei  <liyunfei33@huawei.com>

	* config/aarch64/aarch64-cores.def (AARCH64_CORE): Add hip12 core
	* config/aarch64/aarch64-cost-tables.h: Add hip12_extra_costs
	* config/aarch64/aarch64-tune.md: Regenerate
	* config/aarch64/aarch64.cc: Include hip12 tuning model
	* doc/invoke.texi: Document -mcpu=hip12
	* config/aarch64/tuning_models/hip12.h: New file.

2026-02-06  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	* system.h: Avoid redefinition of CONST_CAST2 macro.

2026-02-05  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2026-01-20  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/123584
	* config/aarch64/aarch64-simd.md (aarch64_xarqv2di): Leave zero
	rotate amounts as zero during expansion.
	(*aarch64_xarqv2di_insn): Account for zero rotate amounts.  Print #
	in rotate immediate.

2026-02-05  Hongyu Wang  <hongyu.wang@intel.com>

	Backported from master:
	2026-01-28  Hongyu Wang  <hongyu.wang@intel.com>

	PR target/123779
	* config/i386/sse.md (*sse4_1_<code>v8qiv8hi2<mask_name>_2):
	Rename to ...
	(*sse4_1_<code>v8qiv8hi2_2): ... this, and drop mask conditions.
	(*avx2_<code>v8qiv8si2<mask_name>_2): Rename to ...
	(*avx2_<code>v8qiv8si2_2): ... this, and likewise.
	(*sse4_1_<code>v4qiv4si2<mask_name>_2): Rename to ...
	(*sse4_1_<code>v4qiv4si2_2): ... this, and likewise.
	(*sse4_1_<code>v4hiv4si2<mask_name>_2): Rename to ...
	(*sse4_1_<code>v4hiv4si2_2): ... this, and likewise.
	(*avx2_<code>v4qiv4di2<mask_name>_2): Rename to ...
	(*avx2_<code>v4qiv4di2_2): ... this, and likewise.
	(*avx2_<code>v4hiv4di2<mask_name>_2): Rename to ...
	(*avx2_<code>v4hiv4di2_2): ... this, and likewise.
	(*sse4_1_<code>v2hiv2di2<mask_name>_2): Rename to ...
	(*sse4_1_<code>v2hiv2di2_2): ... this, and likewise.
	(*sse4_1_<code>v2siv2di2<mask_name>_2): Rename to ...
	(*sse4_1_<code>v2siv2di2_2): ... this, and likewise.
	(*avx512f_<code>v8qiv8di2<mask_name>_2): Rename to ...
	(*avx512f_<code>v8qiv8di2_2): ... this.
	(*avx512vl_<code>v8qiv8hi2_mask_2): New define_insn_and_split.
	(*avx512vl_<code>v8qiv8si2_mask_2): Likewise.
	(*avx512vl_<code>v4qiv4si2_mask_2): Likewise.
	(*avx512vl_<code>v4hiv4si2_mask_2): Likewise.
	(*avx512f_<code>v8qiv8di2_mask_2): Likewise.
	(*avx512vl_<code>v4qiv4di2_mask_2): Likewise.
	(*avx512vl_<code>v4hiv4di2_mask_2): Likewise.
	(*avx512vl_<code>v2hiv2di2_mask_2): Likewise.
	(*avx512vl_<code>v2siv2di2_mask_2): Likewise.

2026-02-03  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-10-02  Jeff Law  <jlaw@ventanamicro.com>

	PR target/122051
	* config/riscv/predicates.md (pmode_reg_or_uimm5_operand): Implement
	directly rather than using vector_length_operand.

2026-02-03  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-07-09  Jeff Law  <jlaw@ventanamicro.com>

	PR target/120642
	* config/riscv/riscv-avlprop.cc (pass_avlprop::execute): Do not do
	constant AVL propagation for xtheadvector.

2026-02-03  Alfie Richards  <alfie.richards@arm.com>

	PR target/123548
	* config/aarch64/arm_acle.h (__plix): Change arguments to be
	const.
	(__pldx): Change arguments to be const.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-30  Richard Biener  <rguenther@suse.de>

	PR debug/123886
	* dwarf2out.cc (sym_off_pair::sym): Remove GTY((skip)).

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123794
	* tree-vect-slp.cc (vect_remove_slp_scalar_calls): Unlink
	VOPs for all calls.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/123775
	* match.pd ((view_convert (vec_cond ...))): Make sure the
	resulting vec_cond can be expanded.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123729
	* tree-vect-loop.cc (vect_create_epilog_for_reduction): Set
	SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the reduction flows
	across an abnomal edge.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-20  Richard Biener  <rguenther@suse.de>

	* tree-phinodes.h (phi_arg_index_from_use): Use gphi *.
	(phi_arg_edge_from_use): New helper composing
	phi_arg_index_from_use and gimple_phi_arg_edge.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/123575
	* match.pd (abs ((T)x) -> absu (x)): For vector type
	arguments require the resulting operation is supported.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123537
	* match.pd (REDUC (@0 & @1) -> @0[I] & @1[I]): Restrict
	allowed conversions.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-27  Richard Biener  <rguenther@suse.de>

	PR ipa/116296
	* ipa-modref-tree.cc (modref_access_node::contains): Use
	poly_offset_int for the param offset difference and the
	overlap computation.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/110043
	* pointer-query.cc (get_offset_range): Fail for integer
	types with precision larger than ptrdiff_type_node.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/109410
	* tree-ssa-reassoc.cc (build_and_add_sum): Use
	gsi_start_nondebug_after_labels_bb to look for a possible
	returns-twice call.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-28  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/106859
	* var-tracking.cc (val_store): Dump -1 as UID if setting_insn
	is NULL.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-31  Richard Biener  <rguenther@suse.de>

	PR middle-end/123887
	* match.pd ((a ? x : y) !=/== (b ? x : y)): Make sure
	x and y have no side-effects before evaluating them
	unconditionally.

2026-02-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/123887
	* match.pd ((zero_one ==/!= 0) ? .. z <op> y .. -> zero_one * z ..):
	Check evaluating z unconditionally has no side-effects, like
	trapping.

2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/loongarch-ftypes.def: Remove unused type.

2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/123766
	* config/loongarch/loongarch-builtins.cc
	(loongarch_build_vpointer_type): New function.  Return a type
	for 'volatile void *'.
	(LARCH_ATYPE_VPOINTER): New macro.
	* config/loongarch/loongarch-ftypes.def: Change the pointer
	type of the store class function from CVPOINTER to VPOINTER.

2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2026-01-30  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/123807
	* config/loongarch/loongarch.cc
	(loongarch_expand_vector_init_same): When same is MEM and
	GET_MODE(same) != imode, first load the data from memory
	and then process it further.

2026-01-23  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/123703
	* builtins.cc (fold_builtin_abs): Return NULL_TREE if type is not
	integral.

2026-01-23  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123736
	* tree-ssa-loop-unswitch.cc (hoist_guard): Guard dump message
	on dump_file && (dump_flags & TDF_DETAILS) condition.

2026-01-23  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123741
	* tree-vect-stmts.cc (vectorizable_store): Add missing check
	on loop vectorization.

2026-01-23  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123602
	* tree-ssa-pre.cc (find_or_generate_expression): Do not
	generate references to abnormal SSA names.

2026-01-23  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2026-01-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/123107
	* fold-const.cc (fold_binary_loc): Guard (v >> CST) == { 0, 0.. }
	to v < { 0, 0.. } folding.

2026-01-23  Richard Sandiford  <rdsandiford@googlemail.com>

	Backported from master:
	2026-01-08  Richard Sandiford  <rdsandiford@googlemail.com>
		    Richard Biener  <rguenther@suse.de>

	PR tree-optimization/122793
	* tree-vect-slp.cc (vect_add_slp_permutation): Document the existing
	identity_offset parameter.  Handle identities that take from the
	second input rather than the first.

2026-01-23  Avinash Jayakar  <avinashd@linux.ibm.com>

	PR target/119130
	* config/rs6000/altivec.md (convert_4f32_8f16): Use same operand
	order for both endian format.

2026-01-23  Hongyu Wang  <hongyu.wang@intel.com>

	Backported from master:
	2026-01-23  Hongyu Wang  <hongyu.wang@intel.com>

	* config/i386/sse.md (avx2_vbroadcasti128_<mode>): Constraint
	alternative 0 with jm and add gpr16 attr to avoid egpr usage.

2026-01-23  Lili Cui  <lili.cui@intel.com>

	Backported from master:
	2026-01-14  Lili Cui  <lili.cui@intel.com>

	* config/i386/x86-tune.def (X86_TUNE_ALIGN_TIGHT_LOOPS):
	disable tight loop alignment for m_CORE_ATOM.

2026-01-22  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2026-01-22  Richard Earnshaw  <rearnsha@arm.com>

	PR target/123742
	* config/arm/neon.md (*smin<mode>3_neon): Renamed to ...
	(*smin<VDQWH:mode>3_neon): ... this.  Add HFmode support.
	(*smax<mode>3_neon): Renamed to ...
	(*smax<VDQWH:mode>3_neon): ... this.  Add HFmode support.

2026-01-19  Vladimir N. Makarov  <vmakarov@redhat.com>

	Backported from master:
	2026-01-16  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/123092
	* lra-constraints.cc (lra_constraints): Push insn on processing
	stack after equivalence substitution.

2026-01-19  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2026-01-19  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/117575
	* config/loongarch/lasx.md: Modify the range of operand1.

2026-01-17  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123513
	* tree.cc (valid_new_delete_pair_p): If new_name[3] or delete_name[3]
	is 'I', return false with *pcertain set to false rather than true.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/123607
	* config/i386/i386.md (movhf_mask): Change constraint on
	match_operand 2's second alternative from 0C to 0.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/120250
	* combine.cc (recog_for_combine): Don't try to put SET_SRC
	into a constant pool if SET_DEST is pc_rtx.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/123523
	* simplify-rtx.cc (simplify_const_binary_operation): Use
	DImode for VOIDmode shift and truncation counts if int_mode
	is narrower than HOST_BITS_PER_WIDE_INT rather than
	word_mode if int_mode it is narrower than BITS_PER_WORD.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123431
	* gimple-range-op.cc (gimple_range_op_handler::maybe_builtin_call):
	Punt if type-generic builtins with a single argument don't have
	exactly one argument.  For returns_arg punt if call doesn't have
	at least one argument.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-09  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (-x): Add objc-cpp-output,
	objc++-cpp-output, adascil, adawhy, modula-2, modula-2-cpp-output,
	rust and lto as further possible option arguments.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/123489
	* config/i386/i386-builtin.def (__builtin_ia32_cvttsd2sis64_round,
	__builtin_ia32_cvttsd2usis64_round, __builtin_ia32_cvttss2sis64_round,
	__builtin_ia32_cvttss2usis64_round): Require OPTION_MASK_ISA_64BIT.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/111817
	* stmt.cc (parse_input_constraint): For matching construct, goto
	before the loop without changing j instead of break.  Remove comment
	about that problem.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119291
	PR rtl-optimization/121773
	* combine.cc (try_combine): Check that SET_DEST (setN) is neither
	modified_between_p nor reg_used_between_p instead of just not
	reg_used_between_p or pc_rtx.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-06  Jakub Jelinek  <jakub@redhat.com>
		    Marco Falke  <falke.marco@gmail.com>

	PR tree-optimization/123351
	* tree-object-size.cc (object_sizes_set_temp): Separate calls to
	make_ssa_name to ensure deterministic execution order.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2026-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/123372
	* tree-ssa-math-opts.cc
	(build_saturation_binary_arith_call_and_replace): Pass type of op_0
	rather than type of lhs as second argument to
	direct_internal_fn_supported_p.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/123217
	* config/i386/i386-expand.cc (ix86_expand_builtin)
	<case IX86_BUILTIN_ENCODEKEY128U32, case IX86_BUILTIN_ENCODEKEY256U32,
	case IX86_BUILTIN_URDMSR>: Set target to a new pseudo even if it is
	non-NULL but doesn't satisfy register_operand predicate.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-19  Jakub Jelinek  <jakub@redhat.com>

	* doc/install.texi (--with-tls=): Fix a typo, were -> where.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/123155
	* config/i386/xmmintrin.h (_mm_maskmove_si64): Rename offset automatic
	variable to __offset.

2026-01-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/123155
	* config/i386/avx10_2-512bf16intrin.h (_mm512_roundscale_pbh,
	_mm512_mask_roundscale_pbh, _mm512_maskz_roundscale_pbh,
	_mm512_reduce_pbh, _mm512_mask_reduce_pbh, _mm512_maskz_reduce_pbh):
	Rename B argument to __B.
	* config/i386/avx10_2bf16intrin.h (_mm256_roundscale_pbh,
	_mm256_mask_roundscale_pbh, _mm256_maskz_roundscale_pbh,
	_mm_roundscale_pbh, _mm_mask_roundscale_pbh, _mm_maskz_roundscale_pbh,
	_mm256_reduce_pbh, _mm256_mask_reduce_pbh, _mm256_maskz_reduce_pbh,
	_mm_reduce_pbh, _mm_mask_reduce_pbh, _mm_maskz_reduce_pbh): Likewise.

2026-01-16  Alice Carlotti  <alice.carlotti@arm.com>

	PR target/123460
	* config.gcc: Accept hyphens in aarch64 --with-arch extensions.

2026-01-16  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/123121
	* lra-remat.cc (bad_for_rematerialization_p): Consider div/mod ops.
	(operand_to_remat): Exclude rematerialization of insns with
	multiple sets.

2026-01-16  Tejas Belagod  <tejas.belagod@arm.com>

	PR middle-end/123392
	* cfgexpand.cc (expand_debug_expr): Handle variable-length initializer
	for CONSTRUCTOR.

2026-01-16  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2026-01-16  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/123521
	* config/loongarch/loongarch.cc
	(loongarch_expand_vector_init_same): Fixed a bug in the
	vector initialization section..

2026-01-15  DengJianbo  <dengjianbo@loongson.cn>

	Backported from master:
	2026-01-15  DengJianbo  <dengjianbo@loongson.cn>

	* config/loongarch/loongarch.md: Remove condition in template
	movdi_symbolic_off64.

2026-01-14  David Malcolm  <dmalcolm@redhat.com>

	PR diagnostics/120063
	* diagnostic-format-sarif.cc (maybe_get_sarif_level): Handle
	DK_FATAL as SARIF level "error".
	* diagnostic.cc (diagnostic_context::execution_failed_p): Also
	treat any DK_FATAL errors as leading to failed execution.

2026-01-13  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/123300
	* gimple-range-gori.cc (gori_map::exports_and_deps): New.
	* gimple-range-gori.h (exports_and_deps): New prototype.
	(FOR_EACH_GORI_EXPORT_AND_DEP_NAME): New macro.
	* tree-vrp.cc (remove_unreachable:remove_unreachable): Initialize
	m_tmp bitmap.
	(remove_unreachable:~remove_unreachable): Dispose of m_tmp bitmap.
	(remove_unreachable:fully_replaceable): Move from static function
	and check reachability of exports and dependencies.

2026-01-13  liuhongt  <hongtao.liu@intel.com>

	Backported from master:
	2026-01-13  liuhongt  <hongtao.liu@intel.com>

	PR target/123484
	* config/i386/mmx.md (divv4hf3): Add TARGET_MMX_WITH_SSE to
	the condition.
	(cmlav4hf4): Ditto.
	(cmla_conjv4hf4): Ditto.
	(cmulv4hf3): Ditto.
	(cmul_conjv4hf3): Ditto.

2026-01-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-12-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/123040
	* tree-ssa-sccvn.cc (vn_nary_build_or_lookup_1): Only insert
	nary results.

2026-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/121192
	* expr.cc (store_constructor) <VECTOR_TYPE>: Disable the special
	trick for uniform boolean vectors with integer modes and single-bit
	mask entries on big-endian platforms.

2026-01-02  Jeff Law  <jeffrey.law@oss.qualcomm.com>

	PR target/121485
	* config/riscv/vector-crypto.md: Fix mode attribute for the
	lmul extending Zvkned patterns.

2025-12-22  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/122868
	* tree-vect-stmts.cc (vectorizable_load): Don't hoist loop invariant
	conditional loads unless in header.

2025-12-19  Yury Khrustalev  <yury.khrustalev@arm.com>

	Backported from master:
	2025-11-24  Yury Khrustalev  <yury.khrustalev@arm.com>

	PR debug/121964
	* dwarf2out.cc (gen_array_type_die): Add DW_AT_bit_stride attribute
	for array types based on element type bit precision for integer and
	boolean element types.

2025-12-19  Yury Khrustalev  <yury.khrustalev@arm.com>

	Backported from master:
	2025-11-24  Yury Khrustalev  <yury.khrustalev@arm.com>

	* machmode.def (VECTOR_BOOL_MODE): Fix comment.

2025-12-16  Robin Dapp  <rdapp@ventanamicro.com>

	Backported from master:
	2025-12-09  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/123022
	* config/riscv/vector.md: Add mode_idx attribute.

2025-12-11  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/122215
	* ira-color.cc (improve_allocation): Use register filter for all
	loop on hard regs.

2025-12-10  Robin Dapp  <rdapp@ventanamicro.com>

	Backported from master:
	2025-12-01  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/122652
	* config/riscv/riscv-vsetvl.cc: Add nullptr check.

2025-12-09  Robin Dapp  <rdapp.gcc@gmail.com>

	Backported from master:
	2025-12-02  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/122656
	* config/riscv/riscv-vector-builtins-bases.cc: Use
	use_contiguous_load for vlsegff.
	* config/riscv/riscv-vector-builtins.cc (function_expander::use_exact_insn):
	Only add rounding mode operand if insn requires it and number of
	arguments is < required.
	(function_expander::use_ternop_insn): Ditto.
	(function_expander::use_widen_ternop_insn): Ditto.
	* config/riscv/vector.md: Use vector-mode source operand.

2025-12-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/122991
	* config/aarch64/aarch64.md (crc_rev<ALLI:mode><ALLX:mode>4,
	crc<ALLI:mode><ALLX:mode>4): Use const_int_operand predicate for
	the last operand.

2025-12-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-12-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/122943
	* tree-switch-conversion.cc (switch_conversion::build_arrays):
	Always gimplify subtraction in utype without cast to tidxtype
	and set m_arr_ref_first to the last stmt of that.  Remove unneeded
	update_stmt call.  If tidxtype is not utype, append after that stmt
	cast to tidxtype and set tidx to the lhs of that cast.

2025-12-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-11-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120052
	* gimplify.cc (gimplify_call_expr): For IFN_UBSAN_BOUNDS
	call with integer_onep first argument, change that argument
	to 0 and add TYPE_MAX_VALUE (TYPE_DOMAIN (arr_type)) to
	3rd argument before gimplification.

2025-12-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-11-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120564
	* omp-expand.cc (extract_omp_for_update_vars): Use build2 instead of
	fold_build2 to build argument for gimple_build_cond_empty.

2025-12-01  Christophe Lyon  <christophe.lyon@linaro.org>

	Backported from master:
	2025-12-01  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122858
	* config/arm/constraints.md (Ph): New constraint.
	* config/arm/mve.md (mve_asrl_imm, mve_lsll_imm): Fix constraints
	of operand 1 and handle 32 as special shift amount.

2025-12-01  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-05-07  Richard Earnshaw  <rearnsha@arm.com>

	PR target/110796
	PR target/118446
	* config/arm/arm.h (REVERSIBLE_CC_MODE): FP modes are only
	reversible if flag_finite_math_only.
	* config/arm/arm.cc (arm_select_cc_mode): Return CCFPmode for all
	FP comparisons if flag_finite_math_only.

2025-11-28  Avinash Jayakar  <avinashd@linux.ibm.com>

	PR tree-optimization/122126
	* gimple-isel.cc (gimple_expand_vec_set_extract_expr): Add bound check.

2025-11-27  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-11-27  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-mcus.def (AVR_MCUS): Add avr16la14, avr16la20,
	avr16la28, avr16la32, avr32la14, avr32la20, avr32la28, avr32la32.
	* doc/avr-mmcu.texi: Rebuild.

2025-11-27  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-11-26  Richard Earnshaw  <rearnsha@arm.com>

	PR target/122867
	* config/arm/arm.cc (arm_print_operand): Use %- to
	emit LOCAL_LABEL_PREFIX.
	(arm_print_operand_punct_valid_p): Allow %- for punct
	and make %_ valid for all compilation variants.
	* config/arm/thumb2.md (*thumb2_cbz): Handle very
	large branch ranges that exceed the limit of b<cond>.
	(*thumb2_cbnz): Likewise.

2025-11-24  Pan Li  <pan2.li@intel.com>

	Backported from master:
	2025-11-20  Pan Li  <pan2.li@intel.com>

	PR target/122692
	* config/riscv/riscv.cc (riscv_expand_ustrunc): Leverage
	riscv_extend_to_xmode_reg to take care of src rtx.

2025-11-21  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (Optimize Options) <-fmalloc-dce>: Remove
	trailing space.
	(AArch64 Options) <-march>: Fix pasto.

2025-11-20  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-10-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/122225
	* tree-cfg.cc (verify_gimple_return): Look at DECL_RESULT
	for DECL_BY_REFERENCE.

2025-11-20  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-10-30  Richard Biener  <rguenther@suse.de>

	* config/i386/i386-options.cc (ix86_option_override_internal):
	Fix check during opts->x_ix86_move_max initialization.

2025-11-20  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-11-20  Xi Ruoyao  <xry111@xry111.site>

	PR target/122695
	* config/loongarch/loongarch.cc (loongarch_expand_vec_perm_1):
	Simplify and fix the logic preventing the xvshuf.* unpredictable
	behavior.

2025-11-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backported from master:
	2025-11-12  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/122539
	* config/arm/arm.cc (comp_not_to_clear_mask_str_un): Skip partial
	register clearing logic for FP_REGS.
	(compute_not_to_clear_mask): Likewise.

2025-11-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backported from master:
	2025-11-12  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/122539
	* config/arm/arm.cc (comp_not_to_clear_mask_str_un): Update
	not_to_clear_reg_mask for union members.

2025-11-18  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	Backported from master:
	2025-11-04  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	PR lto/122515
	* lto-wrapper.cc (debug_objcopy): Set type of INOFF to int64_t.
	(run_gcc): Set type of FILE_OFFSET to int64_t.

2025-11-18  Tamar Christina  <tamar.christina@arm.com>

	Backported from master:
	2025-10-31  Tamar Christina  <tamar.christina@arm.com>

	PR target/121853
	* config/aarch64/aarch64-simd.md (extendbfsf2): New.

2025-11-18  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2025-09-02  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR tree-optimization/121776
	* tree-ssa-strlen.cc (strlen_pass::handle_builtin_memcmp): Create
	unaligned types if the alignment of the pointers is less
	than the alignment of the new type.

2025-11-17  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2025-08-18  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR middle-end/121581
	* doc/extend.texi (__builtin_object_size): Fix example.

2025-11-17  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/122627
	* lra-constraints.cc (update_equiv): Remove patch from last week
	related to pr122321.
	(lra_constraints): Expand the equivalence array after eliminations
	are complete.

2025-11-16  Lewis Hyatt  <lhyatt@gmail.com>

	* diagnostic.cc (num_digits): Change argument type from `int' to
	`uint64_t'.
	(test_num_digits): Add test for 64-bit argument.
	* diagnostic.h (num_digits): Adjust prototype.
	* input.cc (write_digit): Accept argument in range 0-9 instead of
	an arbitrary int.
	(write_digit_row): Adjust to change in write_digit().

2025-11-14  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-08-14  Jeff Law  <jlaw@ventanamicro.com>

	PR target/119275
	* config/riscv/riscv.cc (riscv_legitimize_move): Avoid calling
	gen_lowpart for cases where it'll fail.  Just use standard expander
	paths for those cases.

2025-11-14  Uros Bizjak  <ubizjak@gmail.com>

	Backported from master:
	2025-11-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*sub<mode>_3):
	Remove 'i' from operand 0 constraint.

2025-11-14  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122216
	* config/arm/arm-mve-builtins-base.cc (enum which_scalar_shift): New.
	(mve_function_scalar_shift): New.
	(asrl, lsll): New.
	* config/arm/arm-mve-builtins-base.def (asrl, lsll): New.
	* config/arm/arm-mve-builtins-base.h (asrl, lsll): New.
	* config/arm/arm_mve.h (asrl): Delete.
	(lsll): Delete.
	(__arm_asrl): Delete.
	(__arm_lsll): Delete.

2025-11-14  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122216
	* config/arm/arm-mve-builtins-shapes.cc (scalar_s64_shift): New.
	(scalar_u64_shift): New.
	* config/arm/arm-mve-builtins-shapes.h: Likewise.

2025-11-14  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122216
	* config/arm/arm.md (ashldi3, ashrdi3): Force shift amount into
	QImode.
	* config/arm/constraints.md: Fix comment, Pg is valid in Thumb-2
	state only.
	* config/arm/mve.md (mve_asrl): Handle various shift amount ranges.
	(mve_asrl_imm, mve_asrl_internal): New patterns.
	(mve_lsll): Handle various shift amount ranges.
	(mve_lsll_imm, mve_lsll_internal): New patterns.

2025-11-14  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122216
	* config/arm/thumb2.md (thumb2_asrl, thumb2_lsll, thumb2_lsrl):
	Move to ...
	* config/arm/mve.md (mve_asrl, mve_lsll, mve_lsrl): ... here. Use
	match_operand instead of match_dup.
	* config/arm/arm.md (ashldi3, ashrdi3, lshrdi3): Remove useless
	copy. Update for new prototype.

2025-11-12  Christophe Lyon  <christophe.lyon@linaro.org>

	Backported from master:
	2025-11-12  Christophe Lyon  <christophe.lyon@linaro.org>
		    Richard Earnshaw  <rearnsha@arm.com>

	PR target/122175
	* config/arm/iterators.md (asm_const_size): New mode attr.
	* config/arm/mve.md (@mve_<mve_insn>q_n_<supf><mode>): Use it.

2025-11-12  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122189
	* config/arm/iterators.md (VxCIQ_carry, VxCIQ_M_carry, VxCQ_carry)
	(VxCQ_M_carry): New iterators.
	* config/arm/mve.md (get_fpscr_nzcvqc, set_fpscr_nzcvqc): Use
	unspec instead of unspec_volatile.
	(vadciq, vadciq_m, vadcq, vadcq_m): Use vfpcc in operation.  Use a
	different unspec code for carry calcultation.
	* config/arm/unspecs.md (VADCQ_U_carry, VADCQ_M_U_carry)
	(VADCQ_S_carry, VADCQ_M_S_carry, VSBCIQ_U_carry ,VSBCIQ_S_carry
	,VSBCIQ_M_U_carry ,VSBCIQ_M_S_carry ,VSBCQ_U_carry ,VSBCQ_S_carry
	,VSBCQ_M_U_carry ,VSBCQ_M_S_carry ,VADCIQ_U_carry
	,VADCIQ_M_U_carry ,VADCIQ_S_carry ,VADCIQ_M_S_carry): New unspec
	codes.

2025-11-12  Hu, Lin1  <lin1.hu@intel.com>

	Backported from master:
	2025-11-12  Hu, Lin1  <lin1.hu@intel.com>

	PR target/122446
	* config/i386/amxavx512intrin.h (_tile_cvtrowps2bf16hi_internal):
	Input register name by inline asm %c[...], and remove %% before tmm
	from intel side.
	(_tile_cvtrowps2bf16li_internal): Ditto.
	* config/i386/amxbf16intrin.h (_tile_dpbf16ps_internal): Ditto
	* config/i386/amxcomplexintrin.h (_tile_cmmimfp16ps_internal): Ditto
	(_tile_cmmrlfp16ps_internal): Ditto
	(_tile_cmmimfp16ps): Ditto
	(_tile_cmmrlfp16ps): Ditto
	* config/i386/amxfp16intrin.h (_tile_dpfp16ps_internal): Ditto
	(_tile_dpfp16ps): Ditto
	* config/i386/amxfp8intrin.h (_tile_dpbf8ps_internal): Ditto
	(_tile_dpbhf8ps_internal): Ditto
	(_tile_dphbf8ps_internal): Ditto
	(_tile_dphf8ps_internal): Ditto
	(_tile_dpbf8ps): Ditto
	(_tile_dpbhf8ps): Ditto
	(_tile_dphbf8ps): Ditto
	(_tile_dphf8ps): Ditto
	* config/i386/amxint8intrin.h (_tile_int8_dp_internal): Ditto
	* config/i386/amxmovrsintrin.h (_tile_loaddrs_internal): Ditto
	(_tile_loaddrst1_internal): Ditto
	(_tile_loaddrs): Ditto
	(_tile_loaddrst1): Ditto
	* config/i386/amxtf32intrin.h (_tile_mmultf32ps_internal): Ditto
	* config/i386/amxtileintrin.h (_tile_loadd): Ditto
	(_tile_loadd_internal): Ditto
	(_tile_stream_loadd): Ditto
	(_tile_stream_loadd_internal): Ditto
	(_tile_stored): Ditto
	(_tile_stored_internal): Ditto
	(_tile_zero): Ditto
	(_tile_zero_internal): Ditto

2025-11-11  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-11-11  Jakub Jelinek  <jakub@redhat.com>

	PR lto/122620
	* gimplify-me.cc (gimple_regimplify_operands): Don't try to regimplify
	TREE_CLOBBER on rhs of gimple_clobber_p if it has gimple_reg_type.

2025-11-11  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-11-08  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/122097
	* config/loongarch/loongarch.cc
	(loongarch_const_vector_same_bytes_p): Add processing for
	floating-point vector data.

2025-11-11  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-10-29  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/122097
	* config/loongarch/loongarch.cc
	(loongarch_const_vector_bitimm_set_p): Add support for vector float.
	(loongarch_const_vector_bitimm_clr_p): Likewise.
	(loongarch_print_operand): Likewise.
	* config/loongarch/simd.md (and<mode>3): Likewise.

2025-11-11  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-10-29  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/lasx.md (xor<mode>3): Delete.
	(ior<mode>3): Delete.
	(and<mode>3): Delete.
	* config/loongarch/lsx.md (xor<mode>3): Delete.
	(ior<mode>3): Delete.
	(and<mode>3): Delete.
	* config/loongarch/simd.md (xor<mode>3): Define.
	(ior<mode>3): Likewise.
	(and<mode>3): Likewise.

2025-11-10  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-11-10  Richard Earnshaw  <rearnsha@arm.com>

	PR target/118460
	* config/arm/arm.md (movhfcc): Use expandable_comparison_operator.
	(movsfcc, movdfcc): Likewise.

2025-11-10  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-10-15  Richard Earnshaw  <rearnsha@arm.com>

	PR target/118460
	* config/arm/arm.cc (arm_canonicalize_comparison): For floating-
	point comparisons, swap the operand order if that will be more
	likely to produce a comparison that can be used with VSEL.
	(arm_validize_comparison): Make sure that HFmode comparisons
	are compatible with VSEL.

2025-11-06  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-11-06  Georg-Johann Lay  <avr@gjlay.de>

	PR target/122516
	* config/avr/elf.h (SUPPORTS_SHF_GNU_RETAIN): Define if
	HAVE_GAS_SHF_GNU_RETAIN.

2025-11-06  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-11-06  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.cc (avr_output_addr_vec): Output
	a valid opcode prior to the first gs() label provided:
	- The code is compiled for an arch that has AVR-SD mcus, and
	- the function has a "section" attribute, and
	- the function has a gs() label addresses switch/case table.

2025-11-03  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-11-01  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/122321
	* lra-constraints.cc (update_equiv): Make sure REGNO is in
	ira_reg_equiv before trying to update ira_reg_equiv.

2025-11-03  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	Backported from master:
	2025-10-26  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>

	PR target/122270
	* config/riscv/riscv-vector-builtins-bases.cc (vset::fold): Use the
	unshare_expr for the statement that will be added seperately rather
	the one which will be used for the replacement.

2025-11-02  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-11-02  Georg-Johann Lay  <avr@gjlay.de>

	PR target/122527
	* config/avr/avr.cc (avr_load_libgcc_p): Return false if
	the address-space is not ADDR_SPACE_FLASH.
	(avr_out_lpm_no_lpmx [addr=REG]): Handle sizes of 3 and 4 bytes.

2025-11-02  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-11-02  Georg-Johann Lay  <avr@gjlay.de>

	PR tree-optimization/118012
	PR tree-optimization/122505
	* config/avr/avr.md (mulpsi3): Also allow the insn condition
	in the case where avropt_pr118012 && !AVR_TINY.
	(*mulpsi3): Handle split for the !AVR_HAVE_MUL case.
	(*mulpsi3-nomul.libgcc_split, *mulpsi3-nomul.libgcc): New insns.

2025-10-31  Tamar Christina  <tamar.christina@arm.com>

	Backported from master:
	2025-10-27  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/122408
	* tree-vect-slp-patterns.cc (vect_validate_multiplication): Cleanup and
	document interface.
	(complex_mul_pattern::matches, complex_fms_pattern::matches): Update to
	new interface.

2025-10-31  Jinyang He  <hejinyang@loongson.cn>

	Backported from master:
	2025-10-30  Jinyang He  <hejinyang@loongson.cn>
		    Peng Fan  <fanpeng@loongson.cn>

	* config/loongarch/loongarch.cc
	(loongarch_expand_conditional_move): Only allow valid binary
	op when optimize conditional move.

2025-10-30  Guo Jie  <guojie@loongson.cn>

	Backported from master:
	2025-10-30  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md (fnma<mode>4): Remove.
	* config/loongarch/lsx.md (fnma<mode>4): Remove.
	* config/loongarch/simd.md (fnma<mode>4): Simplify and correct.

2025-10-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/122394
	* tree-ssa-phiopt.cc (spaceship_replacement): Use
	build_debug_expr_decl instead of manually building DEBUG_EXPR_DECL
	and getting SET_DECL_MODE wrong.

2025-10-27  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-10-13  Jeff Law  <jlaw@ventanamicro.com>

	PR target/120674
	* config/riscv/riscv.cc (riscv_dwarf_poly_indeterminite_value): Do not
	set FACTOR to zero, for that case use one instead.

2025-10-27  Tamar Christina  <tamar.christina@arm.com>

	Backported from master:
	2025-10-17  Tamar Christina  <tamar.christina@arm.com>
		    Jennifer Schmitz  <jschmitz@nvidia.com>

	PR target/121604
	* config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
	Store gp_index.
	(struct pmov_to_vector_lane_def): Mark instruction as has no GP.
	* config/aarch64/aarch64-sve-builtins.h (function_instance::gp_value,
	function_instance::inactive_values, function_instance::gp_index,
	function_shape::has_gp_argument_p): New.
	* config/aarch64/aarch64-sve-builtins.cc (gimple_folder::fold_pfalse):
	Simplify code and use GP helpers.

2025-10-26  LIU Hao  <lh_mouse@126.com>

	Backported from master:
	2025-10-26  LIU Hao  <lh_mouse@126.com>

	PR target/119079
	* config/i386/i386.md: Use `movsxd` to perform SI-to-DI extension in Intel
	syntax.

2025-10-24  Linsen Zhou  <i@lin.moe>

	Backported from master:
	2025-10-18  Linsen Zhou  <i@lin.moe>

	PR tree-optimization/122012
	* tree-object-size.cc (check_for_plus_in_loops): Skip check
	for the variable offset

2025-10-24  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-10-20  H.J. Lu  <hjl.tools@gmail.com>

	PR target/99930
	PR target/122323
	* config/i386/i386-expand.cc (ix86_expand_copysign): Swap
	operands[1] with operands[2].  Optimize copysign (x, const_double)
	instead of copysign (const_double, x).
	* config/i386/i386.md (copysign<mode>3): Swap constraints for
	operands[1] and operands[2].

2025-10-22  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/driver-i386.cc (host_detect_local_cpu): Correct
	the logic for unknown model number cpu guess value.

2025-10-21  Christophe Lyon  <christophe.lyon@linaro.org>

	Backported from master:
	2025-10-10  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/122223
	* config/arm/mve.md (@mve_vbicq_f<mode>): Fix operands order.

2025-10-21  Jennifer Schmitz  <jschmitz@nvidia.com>

	PR target/121599
	* config/aarch64/aarch64-sve-builtins.cc
	(function_expander::use_cond_insn): Use add_fixed_operand if
	fallback_arg == CONST0_RTX (mode).

2025-10-20  Svante Signell  <svante.signell@gmail.com>

	Backported from master:
	2025-10-20  Svante Signell  <svante.signell@gmail.com>

	PR go/104290
	* config/gnu.h (OPTION_GLIBC_P, OPTION_GLIBC): Define.

2025-10-17  Hu, Lin1  <lin1.hu@intel.com>

	PR target/122119
	* config/i386/amxmovrsintrin.h
	(_tile_loaddrs_internal): Use __PTRDIFF_TYPE__ instead of long.
	(_tile_loaddrst1_internal): Ditto.
	(_tile_2rpntlvwz0rs_internal): Ditto.
	(_tile_2rpntlvwz0rst1_internal): Ditto.
	(_tile_2rpntlvwz1rs_internal): Ditto.
	(_tile_2rpntlvwz1rst1_internal): Ditto.

2025-10-16  Ayappan Perumal  <ayappap2@in.ibm.com>

	Backported from master:
	2025-10-16  Ayappan Perumal  <ayappap2@in.ibm.com>

	* config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS):
	Error out when stack-protector option is used in AIX
	as it is not supported on AIX
	Approved By: Segher Boessenkool <segher@kernel.crashing.org>

2025-10-15  Alice Carlotti  <alice.carlotti@arm.com>

	* config/aarch64/aarch64-sys-regs.def: Fix pmsdsfr_el1 encoding.

2025-10-15  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h
	(PTA_PANTHERLAKE): Remove PREFETCHI.
	(PTA_DIAMONDRAPIDS): Remove USER_MSR.
	* doc/invoke.texi: Correct documentation.

2025-10-14  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-10-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/122133
	* stmt.cc (resolve_asm_operand_names): Handle % and 2 letters followed
	by open square.

2025-10-14  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-10-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/122104
	* tree-ssa-math-opts.cc (maybe_optimize_guarding_check): Call
	reset_flow_sensitive_info_in_bb on bb when optimizing out the
	guarding condition.

2025-10-14  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h (PTA_DIAMONDRAPIDS): Remove AMX-TRANSPOSE.
	* doc/invoke.texi: Correct documentation.

2025-10-13  Avinash Jayakar  <avinashd@linux.ibm.com>

	PR tree-optimization/122213
	* match.pd: Canonicalize unsigned pow2 div only for trunk, floor and
	exact div.

2025-10-11  Robin Dapp  <rdapp.gcc@gmail.com>

	Backported from master:
	2025-10-07  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/121845
	* config/riscv/riscv-v.cc (shuffle_series_patterns):
	Modulo indices for VLA and punt when wrapping for VLS.

2025-10-08  Aurelien Jarno  <aurelien@aurel32.net>

	Backported from master:
	2025-10-02  Aurelien Jarno  <aurelien@aurel32.net>

	PR target/121652
	* config/riscv/riscv.md (round_pattern): special case NaN input
	instead of saving/restoring fflags.

2025-10-07  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-10-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/122187
	* config/avr/avr.cc (avr_out_extr, avr_out_extr_not):
	Make a local copy of the passed rtx[] operands.

2025-10-03  Robin Dapp  <rdapp@ventanamicro.com>

	Backported from master:
	2025-09-04  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/121742
	PR target/121780
	PR target/121781
	* config/riscv/riscv-v.cc (expand_vec_perm): Swap target and
	tmp_target.

2025-10-03  Robin Dapp  <rdapp@ventanamicro.com>

	Backported from master:
	2025-09-02  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/121742
	* config/riscv/riscv-v.cc (expand_vec_perm): Use temporary if
	op1 and target overlap.

2025-10-02  Kito Cheng  <kito.cheng@sifive.com>

	PR target/110812
	* config/riscv/riscv-c.cc (pragma_intrinsic_flags): Remove struct.
	(riscv_pragma_intrinsic_flags_pollute): Remove function.
	(riscv_pragma_intrinsic_flags_restore): Remove function.
	(riscv_pragma_intrinsic): Simplify to only call handle_pragma_vector.
	* config/riscv/riscv-vector-builtins.cc (pragma_intrinsic_flags):
	Move struct definition here from riscv-c.cc.
	(riscv_pragma_intrinsic_flags_pollute): Move and adapt from
	riscv-c.cc, add zvfbfmin, zvfhmin and vector_elen_bf_16 support.
	(riscv_pragma_intrinsic_flags_restore): Move from riscv-c.cc.
	(rvv_switcher::rvv_switcher): Add pollute_flags parameter to
	control flag manipulation.
	(rvv_switcher::~rvv_switcher): Restore flags conditionally.
	(register_builtin_types): Use rvv_switcher without polluting flags.
	(get_required_extensions): Remove function.
	(check_required_extensions): Simplify to only check type validity.
	(function_instance::function_returns_void_p): Move implementation
	from header.
	(function_builder::add_function): Register placeholder for LTO.
	(init_builtins): Simplify and handle LTO case.
	(reinit_builtins): Remove function.
	(handle_pragma_vector): Remove extension checking.
	* config/riscv/riscv-vector-builtins.h
	(function_instance::function_returns_void_p): Add declaration.
	(function_call_info::function_returns_void_p): Remove inline
	implementation.

2025-09-26  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-09-26  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/121875
	* config/loongarch/loongarch.cc
	(loongarch_can_inline_p): New function.
	(TARGET_CAN_INLINE_P): Define.

2025-09-25  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2025-09-15  Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/121772
	* match.pd: Add type check to reduc(ctor) pattern.

2025-09-25  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-09-18  Tobias Burnus  <tburnus@baylibre.com>
		    Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/121922
	* omp-general.cc (omp_dynamic_cond): Use 'unshare_expr' for
	the user condition.

2025-09-24  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-09-18  Jakub Jelinek  <jakub@redhat.com>

	PR c++/121977
	* omp-low.cc (lower_omp_regimplify_operands_p): If maybe_lookup_decl
	returns NULL, use maybe_lookup_decl_in_outer_ctx as fallback.

2025-09-24  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-09-16  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (Wimplicit-fallthrough=): Document that also C23
	provides a standard way to suppress the warning with [[fallthrough]];.

2025-09-24  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-09-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121828
	* gimple-lower-bitint.cc (gimple_lower_bitint): For REALPART_EXPR
	consumed by store in the same bb and with REALPART_EXPR from
	optimizable_arith_overflow, don't add REALPART_EXPR lhs to
	the m_names bitmap only if the cast from IMAGPART_EXPR doesn't
	appear in between the REALPART_EXPR and the store.

2025-09-24  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-09-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121831
	* expr.cc (raw_data_cst_read_str): New function.
	(store_constructor) <case ARRAY_TYPE>: Handle RAW_DATA_CST.

2025-09-24  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-08-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121453
	* omp-expand.cc (expand_omp_for_init_counts): Clear fd->loop.n2
	before first zero count check if zero_iter1_bb is non-NULL upon
	entry and fd->loop.n2 has not been written yet.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-09-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/122016
	* tree-ssa-sccvn.cc (vn_nary_simplify): Do not use the
	simplified expression when it references abnormals.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-09-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121870
	* tree-ssa-propagate.cc
	(substitute_and_fold_engine::substitute_and_fold): Skip
	removed stmts from noreturn fixup.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-09-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/107997
	PR tree-optimization/121844
	* tree-ssa-loop-ivopts.cc (allow_ip_end_pos_p): Do not allow
	IP_END for latches ending with a control stmt.
	(create_new_iv): Do not split the latch edge, instead assert
	that's not necessary.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-08-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121659
	* tree-vect-slp.cc (vect_build_slp_tree_1): Do not allow
	matching up comparison operators by swapping if that would
	disturb STMT_VINFO_REDUC_IDX.  Make sure to only
	actually mark operands for swapping when there was a
	mismatch and we're not processing the first stmt.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-08-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121527
	* tree-sra.cc (build_access_from_expr_1): Do not strip an
	outer VIEW_CONVERT_EXPR as it's relevant for the size of
	the access.
	(get_access_for_expr): Likewise.

2025-09-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-08-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121370
	* tree-scalar-evolution.cc (scev_dfs::add_to_evolution_1):
	Avoid UB integer overflow in accumulating CHREC_RIGHT.

2025-09-20  Michael Eager  <eager@eagercon.com>

	PR target/118280
	* config/microblaze/iterators.md: New.
	* config/microblaze/microblaze-protos.h: Add
	microblaze_subword_address.
	* config/microblaze/microblaze.cc: Ditto.
	* config/microblaze/microblaze.md: constants: Add UNSPECV_CAS_BOOL,
	UNSPECV_CAS_MEM, UNSPECV_CAS_VAL, UNSPECV_ATOMIC_FETCH_OP
	type: add atomic
	* config/microblaze/sync.md: Add atomic_fetch_<atomic_optab>si
	atomic_test_and_set

2025-09-18  hongtao.liu  <hongtao.liu@intel.com>

	Backported from master:
	2025-09-18  hongtao.liu  <hongtao.liu@intel.com>

	* config/i386/x86-tune.def (X86_TUNE_AVX512_MOVE_BY_PIECES):
	Remove SPR/GNR/DMR.
	(X86_TUNE_AVX512_STORE_BY_PIECES): Ditto.

2025-09-16  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-09-12  Jeff Law  <jlaw@ventanamicro.com>

	* lra-constraints.cc (get_equiv): Bounds check before accessing
	data in ira_reg_equiv.

2025-09-16  Jennifer Schmitz  <jschmitz@nvidia.com>

	PR target/121602
	* config/aarch64/aarch64-sve-builtins.cc
	(gimple_folder::fold_active_lanes_to): Add force_vector
	statement.

2025-09-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backported from master:
	2025-08-11  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	PR target/121464
	* config/arm/arm.md (arm_<mrrc>, arm_<mcrr>): Fix operand check.

2025-09-15  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-09-03  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/121749
	* config/aarch64/aarch64-simd.md (aarch64_<shrn_op>shrn_n<mode>):
	Use aarch64_simd_shift_imm_offset_<vn_mode> instead of
	aarch64_simd_shift_imm_offset_<ve_mode> predicate.
	(aarch64_<shrn_op>shrn_n<mode> VQN define_expand): Likewise.
	(*aarch64_<shrn_op>rshrn_n<mode>_insn): Likewise.
	(aarch64_<shrn_op>rshrn_n<mode>): Likewise.
	(aarch64_<shrn_op>rshrn_n<mode> VQN define_expand): Likewise.
	(aarch64_sqshrun_n<mode>_insn): Likewise.
	(aarch64_sqshrun_n<mode>): Likewise.
	(aarch64_sqshrun_n<mode> VQN define_expand): Likewise.
	(aarch64_sqrshrun_n<mode>_insn): Likewise.
	(aarch64_sqrshrun_n<mode>): Likewise.
	(aarch64_sqrshrun_n<mode>): Likewise.
	* config/aarch64/iterators.md (vn_mode): Handle DI, SI, HI modes.

2025-09-15  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-09-15  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-mcus.def: Add avr32eb14, avr32eb20,
	avr32eb28, avr32eb32.
	* doc/avr-mmcu.texi: Rebuild.

2025-09-15  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-09-15  Xi Ruoyao  <xry111@xry111.site>

	PR target/121906
	* config/loongarch/loongarch.md (*bstrins_<mode>_for_ior_mask):
	Always create a new pseudo for the input register of the bstrins
	instruction.

2025-09-11  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/121757
	* rtl-ssa/accesses.h (clobber_group::lookup_clobber): New member
	function.
	* rtl-ssa/accesses.cc (clobber_group::lookup_clobber): Likewise.
	(clobber_group::prev_clobber, clobber_group::next_clobber)
	(function_info::add_clobber): Use it.

2025-09-10  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-09-10  Georg-Johann Lay  <avr@gjlay.de>

	PR target/81540
	PR target/49857
	* common/config/avr/avr-common.cc: Disable -ftree-switch-conversion.

2025-09-08  Robin Dapp  <rdapp@ventanamicro.com>

	Backported from master:
	2025-09-05  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/121510
	* config/riscv/riscv.cc (riscv_legitimize_move): Check if we can
	vec_extract.

2025-09-07  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-09-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/121794
	* config/avr/avr.md (cmpqi3): Use cpi R,0 if possible.

2025-09-05  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-09-05  Georg-Johann Lay  <avr@gjlay.de>

	PR target/121794
	* config/avr/avr.cc (avr_out_compare): Only use zero_reg
	when there is no other sequence of the same length.
	(avr_out_plus_ext): Same.
	(avr_out_plus_1): Same.

2025-09-02  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-08-29  Jeff Law  <jlaw@ventanamicro.com>

	PR target/121548
	* config/riscv/riscv-avlprop.cc (get_insn_vtype_mode): Assert
	MODE_IDX is smaller than the number of operands.
	(simplify_replace_vlmax_avl): Similarly.
	(pass_avlprop::get_vlmax_ta_preferred_avl): Similarly.
	* config/riscv/vector.md: Override merge_op_idx computation
	for simple moves, just like is done for avl_type_idx and mode_idx.

2025-09-01  Mark Harmstone  <mark@harmstone.com>

	* dwarf2codeview.cc (get_type_num_array_type): Don't try to
	encode non-C-style arrays.

2025-08-31  Benjamin Wu  <bwu25@cs.washington.edu>

	Backported from master:
	2025-07-13  Benjamin Wu  <bwu25@cs.washington.edu>

	* gimple.h (GTMA_DOES_GO_IRREVOCABLE): Fix typo.

2025-08-25  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-08-25  Xi Ruoyao  <xry111@xry111.site>

	PR target/121634
	* config/loongarch/simd.md (simd_maddw_evod_<mode>_<su>): Use
	WVEC_HALF instead of WVEC for the mode of the sign_extend for
	the rhs of multiplication.

2025-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backported from master:
	2025-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/riscv/t-rtems: Add -mstrict-align multilibs for
	targets without support for misaligned access in hardware.

2025-08-20  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-08-20  Georg-Johann Lay  <avr@gjlay.de>

	PR target/121608
	* config/avr/specs.h (LINK_RELAX_SPEC): Wrap in %{!r...}.

2025-08-20  Vineet Gupta  <vineetg@rivosinc.com>

	PR target/121534
	* config/riscv/riscv.md (round_pattern): save/restore fflags.

2025-08-18  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/121118
	* config/aarch64/aarch64.cc (aarch64_sve_move_pred_via_while):
	Return a VNx16BI predicate.

2025-08-18  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-08-12  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/121253
	* fwprop.cc (forward_propagate_into): Don't propagate asm defs.

2025-08-15  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2025-08-08  Alex Coplan  <alex.coplan@arm.com>

	PR target/120986
	* config/aarch64/aarch64-sve-builtins.cc
	(function_expander::expand): Relax fpm_t assert to allow
	modeless const_ints.

2025-08-15  Alex Coplan  <alex.coplan@arm.com>

	Backported from master:
	2025-08-08  Alex Coplan  <alex.coplan@arm.com>

	PR target/120986
	* config/aarch64/aarch64-sve2.md (@aarch64_sve_dot<mode>):
	Switch mode iterator from SVE_FULL_HSF to new iterator;
	remove insn predicate as this is now taken care of by conditions
	in the mode iterator.
	(@aarch64_sve_dot_lane<mode>): Likewise.
	* config/aarch64/iterators.md (SVE_FULL_HSF_FP8_FDOT): New.

2025-08-15  Pengfei Li  <Pengfei.Li2@arm.com>

	PR target/121449
	* config/aarch64/aarch64-sve.md
	(mask_gather_load<mode><v_int_container>): Use vg<Vesize>
	constraints for alternatives with immediate offset.
	(mask_scatter_store<mode><v_int_container>): Likewise.

2025-08-15  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-08-15  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/121542
	* config/loongarch/loongarch.cc
	(loongarch_vector_costs::add_stmt_cost): When using vectype,
	first determine whether it is NULL.

2025-08-14  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/121414
	* config/aarch64/aarch64.cc (aarch64_is_variant_pcs): New function,
	split out from...
	(aarch64_asm_output_variant_pcs): ...here.  Handle various types
	of SME function type.

2025-08-14  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/121294
	* config/aarch64/aarch64.md (UNSPEC_REV_PRED): New unspec.
	* config/aarch64/aarch64-sve.md (@aarch64_sve_rev<mode>_acle)
	(*aarch64_sve_rev<mode>_acle): New patterns.
	* config/aarch64/aarch64-sve-builtins-base.cc
	(svrev_impl::expand): Use the new patterns for boolean svrev.

2025-08-14  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/121294
	* config/aarch64/iterators.md (UNSPEC_TRN1_CONV): Delete.
	(UNSPEC_PERMUTE_PRED): New unspec.
	* config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>):
	Replace with...
	(@aarch64_sve_<perm_insn><mode>_acle)
	(*aarch64_sve_<perm_insn><mode>_acle): ...these new patterns.
	* config/aarch64/aarch64.cc (aarch64_expand_sve_const_pred_trn):
	Update accordingly.
	* config/aarch64/aarch64-sve-builtins-functions.h
	(binary_permute::expand): Use the new _acle patterns for
	predicate operations.

2025-08-14  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/120718
	* simplify-rtx.cc (simplify_context::simplify_gen_subreg):
	Remove MODE_COMPOSITE_P condition.

2025-08-14  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/121007
	* lra-constraints.cc (process_address_1): When changing base reg
	on a reg of the base class, fall back to reload of whole inner address.
	(process_address): Constrain the iteration number.

2025-08-14  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-06-22  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/119830
	* config/riscv/riscv.cc (riscv_build_integer_1): Make arithmetic in bclr case
	clean for 32 bit hosts.

2025-08-14  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-07-28  H.J. Lu  <hjl.tools@gmail.com>

	PR target/121208
	* config/i386/i386.cc (ix86_tls_get_addr): Issue an error for
	-mtls-dialect=gnu with no_caller_saved_registers attribute and
	suggest -mtls-dialect=gnu2.

2025-08-13  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-17  Richard Sandiford  <richard.sandiford@arm.com>
		    Yury Khrustalev  <yury.khrustalev@arm.com>

	* doc/sourcebuild.texi (aarch64_sme_hw): Document.

2025-08-13  Lulu Cheng  <chenglulu@loongson.cn>

	Backported from master:
	2025-08-13  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/120476
	* config/loongarch/loongarch.cc
	(loongarch_compute_pressure_classes): New function.
	(TARGET_COMPUTE_PRESSURE_CLASSES): Define.

2025-08-12  mengqinggang  <mengqinggang@loongson.cn>

	Backported from master:
	2025-08-12  mengqinggang  <mengqinggang@loongson.cn>

	* config/loongarch/loongarch-def.h (ABI_BASE_LP64D): New macro.
	(ABI_BASE_LP64F): New macro.
	(ABI_BASE_LP64S): New macro.
	(N_ABI_BASE_TYPES): New macro.

2025-08-10  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-07-12  Xi Ruoyao  <xry111@xry111.site>

	PR rtl-optimization/120983
	* lra-constraints.cc (process_alt_operands): Allow reloading
	user hard registers unless the insn is an asm.

2025-08-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-08-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121389
	* tree-tailcall.cc (find_tail_calls): For finally_tmp.N
	handle not just GIMPLE_CONDs with EQ_EXPR/NE_EXPR and only
	values 0 and 1, but arbitrary non-negative values, arbitrary
	comparisons in conditions and also GIMPLE_SWITCH next to
	GIMPLE_CONDs.

2025-08-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-08-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/121413
	* gimple-lower-bitint.cc (abi_limb_prec): New variable
	(bitint_precision_kind): Initialize it.
	(gimple_lower_bitint): Clear it at the start.  For
	min_prec > limb_prec descreased precision vars for
	INTEGER_CST PHI arguments ensure min_prec is either
	prec or multiple of abi_limb_prec.

2025-08-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-08-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/121127
	* gimple-lower-bitint.cc (bitint_large_huge::handle_operand_addr): For
	uninitialized SSA_NAME, set *prec_stored to 0 rather than *prec.
	Handle that case in narrowing casts.  If prec_stored is non-NULL,
	set *prec_stored to prec_stored_val.

2025-08-08  Release Manager

	* GCC 15.2.0 released.

2025-08-07  Uros Bizjak  <ubizjak@gmail.com>

	Backported from master:
	2025-08-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/96226
	* config/i386/predicates.md (and_operator): New operator.
	* config/i386/i386.md (splitter after *<rotate_insn><mode>3_mask):
	Use and_operator to match AND RTX and use its mode
	in the split pattern.

2025-08-01  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-05-19  Richard Earnshaw  <rearnsha@arm.com>

	PR target/120351
	* config/arm/predicates.md (mem_noofs_operand): Also check the op
	is a valid memory_operand.

2025-08-01  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121323
	* tree-ssa-alias.cc (ao_ref_init_from_ptr_and_range): Check
	the pointer offset fits in a HWI when represented in bits.

2025-08-01  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121320
	* tree-ssa-sccvn.cc (ao_ref_init_from_vn_reference): Convert
	op->off to poly_offset_int before multiplying by
	BITS_PER_UNIT.

2025-08-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-08-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121322
	* gimple-ssa-store-merging.cc (find_bswap_or_nop): Return NULL if
	count is 0.

2025-07-31  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-07-31  Georg-Johann Lay  <avr@gjlay.de>

	PR rtl-optimization/121340
	* config/avr/avr.opt (-mfuse-move2): New option.
	* config/avr/avr-passes.def (avr_pass_2moves): Insert after combine.
	* config/avr/avr-passes.cc (make_avr_pass_2moves): New function.
	(pass_data avr_pass_data_2moves): New static variable.
	(avr_pass_2moves): New rtl_opt_pass.
	* config/avr/avr-protos.h (make_avr_pass_2moves): New proto.
	* common/config/avr/avr-common.cc
	(default_options avr_option_optimization_table) <-mfuse-move2>:
	Set for -O1 and higher.
	* doc/invoke.texi (AVR Options) <-mfuse-move2>: Document.
	* config/avr/avr.opt.urls (-mfuse-move2): Add url.

2025-07-31  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-07-31  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.cc (avr_output_addr_vec) <labl>: Asm out its .type.

2025-07-31  Spencer Abson  <spencer.abson@arm.com>

	Backported from master:
	2025-07-31  Spencer Abson  <spencer.abson@arm.com>

	PR target/121028
	* config/aarch64/aarch64-sme.md (aarch64_smstart_sm): Use the .inst
	directive if !TARGET_SME.
	(aarch64_smstop_sm): Likewise.

2025-07-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121256
	* tree-vect-loop.cc (vectorizable_recurr): Handle the case
	of a NULL SLP node.

2025-07-31  Andreas Schwab  <schwab@suse.de>

	Backported from master:
	2025-07-21  Andreas Schwab  <schwab@suse.de>

	PR target/121121
	* config/riscv/riscv.cc (riscv_allocate_and_probe_stack_space):
	Use temp2 instead of temp1 for the CFA note.

2025-07-31  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-07-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/121264
	* machmode.h (get_best_mode): Change type of first 2 arguments
	from int to HOST_WIDE_INT.
	* stor-layout.cc (get_best_mode): Likewise.

2025-07-31  Jan Hubicka  <hubicka@ucw.cz>

	Backported from master:
	2025-07-11  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/114790
	* cgraph.cc (cgraph_update_edges_for_call_stmt_node): Resolve devirtualization
	if call statement was optimized out or turned to direct call.

2025-07-31  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121256
	* tree-vect-loop.cc (vectorizable_recurr): Build a correct
	initialization vector for SLP_TREE_LANES > 1.

2025-07-31  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121130
	* tree-vect-stmts.cc (vectorizable_call): Bail out for
	.MASK_CALL.

2025-07-31  Pengfei Li  <Pengfei.Li2@arm.com>

	Backported from master:
	2025-07-30  Pengfei Li  <Pengfei.Li2@arm.com>

	PR tree-optimization/121190
	* tree-vect-data-refs.cc (vect_enhance_data_refs_alignment):
	Increase alignment requirement for speculative loads.

2025-07-31  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-07-30  H.J. Lu  <hjl.tools@gmail.com>

	PR target/120427
	* config/i386/i386.md (peephole2): Transform "movq $-1,reg" to
	"pushq $-1; popq reg" for -Oz if reg is a legacy integer register.

2025-07-31  liuhongt  <hongtao.liu@intel.com>

	Backported from master:
	2025-07-30  liuhongt  <hongtao.liu@intel.com>

	PR target/121274
	* config/i386/sse.md (*vec_concatv2di_0): Add a splitter
	before it.

2025-07-30  Jennifer Schmitz  <jschmitz@nvidia.com>
	    Dhruv Chawla  <dhruvc@nvidia.com>

	* config/aarch64/aarch64-cores.def (olympus): Use olympus tuning
	model.
	* config/aarch64/aarch64.cc: Include olympus.h.
	* config/aarch64/tuning_models/olympus.h: New file.

2025-07-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	Backported from master:
	2025-07-14  François-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR target/120645
	* config/darwin-driver.cc: Account for latest macOS numbering
	scheme.

2025-07-29  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-07-23  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/119085
	* tree-sra.cc (sort_and_splice_var_accesses): Prevent total
	scalarization if two incompatible aggregates access the same place.

2025-07-29  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-07-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/121159
	* calls.cc (can_implement_as_sibling_call_p): Don't reject declared
	noreturn functions in musttail calls.

2025-07-29  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-06-19  H.J. Lu  <hjl.tools@gmail.com>

	PR target/120427
	* config/i386/i386.md (*mov<mode>_and): Changed to
	define_insn_and_split.  Split it to "mov $0,mem" if not -Oz.
	(*mov<mode>_or): Changed to define_insn_and_split.  Split it
	to "mov $-1,mem" if not -Oz.
	(peephole2): Don't transform "mov $-1,reg" to "push $-1; pop reg"
	for -Oz since it will be transformed to "or $-1,reg".

2025-07-28  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-07-28  Georg-Johann Lay  <avr@gjlay.de>

	PR target/121277
	* config/avr/avr.cc (avr_addr_space_convert): When converting
	from generic AS to __flashx, don't set bit 23.
	(avr_convert_to_type): Don't -Waddr-space-convert when NULL
	is converted to __flashx or to __flash.

2025-07-28  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-07-17  Xi Ruoyao  <xry111@xry111.site>

	PR target/121064
	* config/loongarch/lsx.md (lsx_vshuf_<lsxfmt_f>): Add '@' to
	generate a mode-aware helper.  Use <VIMODE> as the mode of the
	operand 1 (selector).
	* config/loongarch/lasx.md (lasx_xvshuf_<lasxfmt_f>): Likewise.
	* config/loongarch/loongarch.cc
	(loongarch_try_expand_lsx_vshuf_const): Create a new pseudo for
	the selector.  Use the mode-aware helper to simplify the code.
	(loongarch_expand_vec_perm_const): Likewise.

2025-07-27  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	Backported from master:
	2025-06-30  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR target/120714
	* config/riscv/riscv.cc (riscv_allocate_and_probe_stack_space):
	Fix SP-addresses in REG_CFA_DEF_CFA notes for stack-clash case.

2025-07-26  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-07-17  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/121095
	* gcse.cc (execute_hardreg_pre): Skip if the hardreg which is never live.

2025-07-26  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-07-23  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/120119
	* config/aarch64/cortex-a57-fma-steering.cc (func_fma_steering::analyze):
	Skip if renaming fails.

2025-07-24  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121202
	* tree-vect-slp.cc (vect_schedule_slp_node): Do not take
	an out-of-region stmt as "last".

2025-07-23  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-07-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/117423
	* tree-sra.cc (analyze_access_subtree): Fix computation of grp_covered
	flag.

2025-07-22  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-06-17  Tobias Burnus  <tburnus@baylibre.com>

	* omp-offload.cc (omp_discover_declare_target_tgt_fn_r): Also
	walk external functions that are declare inline (and have a
	DECL_SAVED_TREE).

2025-07-22  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from master:
	2025-06-04  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/mkoffload.cc (process): Use an 'auto_vec' for
	'file_idx'.

2025-07-22  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from master:
	2025-05-30  Thomas Schwinge  <tschwinge@baylibre.com>
		    Richard Biener  <rguenther@suse.de>

	PR middle-end/119835
	* tree-nrv.cc (pass_nrv::execute): Defuse 'RESULT_DECL' check.

2025-07-22  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from master:
	2025-05-19  Thomas Schwinge  <tschwinge@baylibre.com>

	PR lto/120308
	* lto-streamer-out.cc (hash_tree): Don't handle 'TYPE_EMPTY_P' for
	'lto_stream_offload_p'.
	* tree-streamer-in.cc (unpack_ts_type_common_value_fields):
	Likewise.
	* tree-streamer-out.cc (pack_ts_type_common_value_fields):
	Likewise.

2025-07-22  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from master:
	2025-05-12  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-sm.def: Add '61'.
	* config/nvptx/nvptx-gen.h: Regenerate.
	* config/nvptx/nvptx-gen.opt: Likewise.
	* config/nvptx/nvptx.cc (first_ptx_version_supporting_sm): Adjust.
	* config/nvptx/nvptx.opt (-march-map=sm_61, -march-map=sm_62):
	Likewise.
	* config.gcc: Likewise.
	* doc/invoke.texi (Nvidia PTX Options): Document '-march=sm_61'.
	* config/nvptx/gen-multilib-matches-tests: Extend.

2025-07-22  Thomas Schwinge  <tschwinge@baylibre.com>

	Backported from master:
	2025-05-12  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-opts.h (enum ptx_version): Add
	'PTX_VERSION_5_0'.
	* config/nvptx/nvptx.cc (ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h (TARGET_PTX_5_0): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'5.0' for 'PTX_VERSION_5_0'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=5.0'.

2025-07-22  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-04-25  Andrew Pinski  <quic_apinski@quicinc.com>
		    Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/119737
	* config/gcn/gcn.cc (gcn_hsa_declare_function_name): Properly
	switch sections.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-11  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/121027
	* config/aarch64/aarch64.cc (aarch64_evpc_sve_tbl): Punt on 2-input
	operations that can be handled by vec_perm.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-10  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-sve2.md (aarch64_gather_ld1q): Replace with...
	(@aarch64_gather_ld1q<mode>): ...this, parameterizing based on mode.
	* config/aarch64/aarch64-sve-builtins-sve2.cc
	(svld1q_gather_impl::expand): Update accordingly.
	(svst1q_scatter_impl::expand): Use aarch64_sve_reinterpret
	instead of force_lowpart_subreg.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-10  Richard Sandiford  <richard.sandiford@arm.com>

	* doc/sourcebuild.texi (aarch64_sve2_hw, aarch64_sve2p1_hw): Document.
	* config/aarch64/aarch64.cc (aarch64_evpc_hvla): Extend to
	BYTES_BIG_ENDIAN.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-09  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_simd_valid_imm): Account
	for FLOAT_WORDS_BIG_ENDIAN when building a floating-point value.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-09  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_sve_index_series_p): New
	function, split out from...
	(aarch64_simd_valid_imm): ...here.  Account for the different
	SVE and Advanced SIMD element orders on big-endian targets.
	Check each vector in a structure mode.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-09  Richard Sandiford  <richard.sandiford@arm.com>

	* read-rtl-function.cc (function_reader::read_rtx_operand_r): Use
	hard_regno_nregs to work out REG_NREGS for hard registers.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-09  Richard Sandiford  <richard.sandiford@arm.com>

	* ext-dce.cc (ext_dce_process_uses): Apply is_constant directly
	to the subreg_lsb.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/118891
	* config/aarch64/aarch64.cc (aarch64_expand_vector_init): Fix the
	ZIP1 operand order for big-endian targets.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-07  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-sve.md (@aarch64_sve_set_neonq_<mode>):
	Use %Z instead of lowpart_subreg.  Tweak formatting.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-07  Richard Sandiford  <richard.sandiford@arm.com>

	* ext-dce.cc (ext_dce_process_uses): Apply is_constant directly
	to the subreg_lsb.

2025-07-21  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-07-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/118891
	* tree-vect-stmts.cc (supportable_widening_operation): Swap the
	hi and lo internal functions on big-endian targets.

2025-07-18  Hans-Peter Nilsson  <hp@bitrange.com>
	    Pietro Monteiro  <pietro@sociotechnical.xyz>

	PR middle-end/120935
	* config/mmix/mmix.h (MAX_FIXED_MODE_SIZE): Define.

2025-07-18  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120924
	* params.opt (uninit-max-chain-len): Up from 8 to 12.

2025-07-18  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-15  Richard Biener  <rguenther@suse.de>
		    Richard Sandiford   <richard.sandiford@arm.com>

	PR tree-optimization/121059
	* tree-vect-stmts.cc (vectorizable_operation): Query
	scalar_cond_masked_set with the correct number of masks.

2025-07-18  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121049
	* internal-fn.h (widening_evenodd_fn_p): Declare.
	* internal-fn.cc (widening_evenodd_fn_p): New function.
	* tree-vect-stmts.cc (vectorizable_conversion): When using
	an even/odd widening function disable loop masking.

2025-07-18  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/121035
	* tree-ssa-pre.cc (find_or_generate_expression): Handle
	values without expression.

2025-07-18  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-07-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/121131
	* gimple-fold.cc (fold_nonarray_ctor_reference): Use
	TREE_INT_CST_LOW (TYPE_SIZE ()) instead of
	GET_MODE_BITSIZE (SCALAR_INT_TYPE_MODE ()) for BLKmode BITINT_TYPEs.
	Don't compute encoding_size at all for little endian targets.

2025-07-17  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-07-04  Xi Ruoyao  <xry111@xry111.site>

	PR target/120807
	* config/loongarch/loongarch.md (crc_combine): Avoid nested
	subreg.

2025-07-16  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AMX_AVX512_SET): Do not set AVX10.2.
	(OPTION_MASK_ISA2_AVX10_2_UNSET): Remove AMX-AVX512 unset.
	(OPTION_MASK_ISA2_AVX512F_UNSET): Unset AMX-AVX512.
	(ix86_handle_option): Imply AVX512F for AMX-AVX512.

2025-07-15  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-07-07  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/120709
	* builtins.cc (expand_builtin_crc_table_based): Error out
	instead of asserting the 3rd argument is an integer constant.
	* internal-fn.cc (expand_crc_optab_fn): Likewise.
	* doc/extend.texi (crc): Document requirement of the poly argument
	being a constant.

2025-07-14  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-07-10  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR target/120999
	* config/aarch64/aarch64-sve2.md (*aarch64_sve2_nor<mode>):
	Adjust movprfx alternative.

2025-07-14  Richard Earnshaw  <rearnsha@arm.com>

	Backported from master:
	2025-05-08  Richard Earnshaw  <rearnsha@arm.com>

	* config/aarch64/aarch64-sve.md (@aarch64_pred_<optab><mode>): Move
	commutative marker to the cons specification.
	(add<mode>3): Likewise.
	(@aarch64_pred_<su>abd<mode>): Likewise.
	(@aarch64_pred_<optab><mode>): Likewise.
	(*cond_<optab><mode>_z): Likewise.
	(<optab><mode>3): Likewise.
	(@aarch64_pred_<optab><mode>): Likewise.
	(*aarch64_pred_abd<mode>_relaxed): Likewise.
	(*aarch64_pred_abd<mode>_strict): Likewise.
	(@aarch64_pred_<optab><mode>): Likewise.
	(@aarch64_pred_<optab><mode>): Likewise.
	(@aarch64_pred_fma<mode>): Likewise.
	(@aarch64_pred_fnma<mode>): Likewise.
	(@aarch64_pred_<optab><mode>): Likewise.
	* config/aarch64/aarch64-sve2.md (@aarch64_sve_<su>clamp<mode>): Move
	commutative marker to the cons specification.
	(*aarch64_sve_<su>clamp<mode>_x): Likewise.
	(@aarch64_sve_fclamp<mode>): Likewise.
	(*aarch64_sve_fclamp<mode>_x): Likewise.
	(*aarch64_sve2_nor<mode>): Likewise.
	(*aarch64_sve2_nand<mode>): Likewise.
	(*aarch64_pred_faminmax_fused): Likewise.
	* config/aarch64/aarch64.md (*loadwb_pre_pair_<ldst_sz>): Move the
	early-clobber marker to the relevant alternative.
	(*storewb_pre_pair_<ldst_sz>): Likewise.
	(*add<mode>3_aarch64): Move commutative marker to the cons
	specification.
	(*addsi3_aarch64_uxtw): Likewise.
	(*add<mode>3_poly_1): Likewise.
	(add<mode>3_compare0): Likewise.
	(*addsi3_compare0_uxtw): Likewise.
	(*add<mode>3nr_compare0): Likewise.
	(<optab><mode>3): Likewise.
	(*<optab>si3_uxtw): Likewise.
	(*and<mode>3_compare0): Likewise.
	(*andsi3_compare0_uxtw): Likewise.
	(@aarch64_and<mode>3nr_compare0): Likewise.

2025-07-14  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-06-30  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/120242
	PR rtl-optimization/120627
	PR rtl-optimization/120736
	PR rtl-optimization/120813
	* ext-dce.cc (ext_dce_process_uses): Remove some cases where we
	unnecessarily expanded live sets for promoted subregs.
	(expand_changed_pseudos): New function.
	(reset_subreg_promoted_p): Use it.

2025-07-14  Vineet Gupta  <vineetg@rivosinc.com>

	Backported from master:
	2025-07-04  Vineet Gupta  <vineetg@rivosinc.com>

	PR target/118241
	* config/riscv/riscv.md (prefetch): Add alternative "r".

2025-07-14  Vineet Gupta  <vineetg@rivosinc.com>

	Backported from master:
	2025-07-04  Vineet Gupta  <vineetg@rivosinc.com>

	* config/riscv/predicates.md (prefetch_operand): mack 5 bits.

2025-07-14  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-06-24  Jeff Law  <jlaw@ventanamicro.com>

	PR target/118241
	* config/riscv/predicates.md: Fix comment typo in recent change.

2025-07-14  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-06-21  Jeff Law  <jlaw@ventanamicro.com>

	PR target/118241
	* config/riscv/predicates.md (prefetch_operand): New predicate.
	* config/riscv/constraints.md (Q): New constraint.
	* config/riscv/riscv.md (prefetch): Use new predicate and constraint.
	(riscv_prefetchi_<mode>): Similarly.

2025-07-14  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-07-03  H.J. Lu  <hjl.tools@gmail.com>

	PR target/120908
	* config/i386/i386.cc (legitimize_tls_address): Pass RDI to
	gen_tls_local_dynamic_64.
	* config/i386/i386.md (*tls_global_dynamic_64_largepic): Add
	RDI clobber and use it to generate LEA.
	(*tls_local_dynamic_64_<mode>): Likewise.
	(*tls_local_dynamic_base_64_largepic): Likewise.
	(@tls_local_dynamic_64_<mode>): Add a clobber.

2025-07-14  H.J. Lu  <hjl.tools@gmail.com>

	Backported from master:
	2025-07-02  H.J. Lu  <hjl.tools@gmail.com>

	PR target/120908
	* config/i386/i386.cc (legitimize_tls_address): Pass RDI to
	gen_tls_global_dynamic_64.
	* config/i386/i386.md (*tls_global_dynamic_64_<mode>): Add RDI
	clobber and use it to generate LEA.
	(@tls_global_dynamic_64_<mode>): Add a clobber.

2025-07-14  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h (PTA_PANTHERLAKE): Revmoe KL and WIDEKL.
	(PTA_CLEARWATERFOREST): Ditto.
	* doc/invoke.texi: Revise documentation.

2025-07-13  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	Backported from master:
	2025-07-02  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR target/120356
	* config/riscv/riscv-v.cc
	(expand_const_vector_interleaved_stepped_npatterns):
	Fix ASHIFT to LSHIFTRT insn.

2025-07-13  Andreas Schwab  <schwab@suse.de>

	Backported from master:
	2025-07-08  Andreas Schwab  <schwab@suse.de>

	PR target/120995
	* config/riscv/sync.md (zacas_atomic_cas_value_strong<mode>):
	Allow op3 to be zero.

2025-07-11  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-07-11  Jakub Jelinek  <jakub@redhat.com>
		    Martin Jambor  <mjambor@suse.cz>

	PR ipa/121023
	* ipa-fnsummary.cc (compute_fn_summary): Disallow signature changes
	on cfun->has_musttail functions.

2025-07-10  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	Backported from master:
	2025-07-03  Siddhesh Poyarekar  <siddhesh@gotplt.org>

	PR tree-optimization/120780
	* tree-object-size.cc (inner_at_offset,
	get_wholesize_for_memref): New functions.
	(addr_object_size): Call get_wholesize_for_memref.

2025-07-10  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-06-30  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* config/aarch64/aarch64-cores.def (gb10): New entry.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.texi (AArch64 Options): Document the above.

2025-07-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120358
	* tree-ssa-structalias.cc (get_constraint_for_1): Adjust
	pruning of sub-variables according to the imprecise
	known start offset.

2025-07-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118669
	* tree-vect-stmts.cc (vectorizable_load): Emit loads
	with proper (element) alignment.
	(vectorizable_store): Likewise.

2025-07-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120817
	* tree-ssa-dse.cc (initialize_ao_ref_for_dse): Use
	ao_ref_init_from_ptr_and_range with unknown size for
	.MASK_STORE and .MASK_LEN_STORE.

2025-07-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120927
	* tree-vect-data-refs.cc (vect_compute_data_ref_alignment):
	Do not force a DRs base alignment when analyzing an
	epilog loop.  Check whether the step preserves alignment
	for all VFs possibly involved sofar.

2025-07-09  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120944
	* tree-ssa-sccvn.cc (vn_reference_lookup_3): Gate optimizations
	invalid when volatile is involved.

2025-07-06  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-07-06  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-mcus.def: -mmcu= takes lower case MCU names.
	* doc/avr-mmcu.texi: Rebuild.

2025-07-06  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-07-06  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-mcus.def (avr32da28S, avr32da32S, avr32da48S)
	(avr64da28S, avr64da32S, avr64da48S avr64da64S)
	(avr128da28S, avr128da32S, avr128da48S, avr128da64S): Add devices.
	* doc/avr-mmcu.texi: Rebuild.

2025-07-03  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-05-21  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/120369
	* tree-complex.cc (gimple_expand_builtin_cabs): Return early
	if the LHS of cabs is null.

2025-07-03  Sam James  <sam@gentoo.org>

	Backported from master:
	2025-06-23  Sam James  <sam@gentoo.org>
		    Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/120795
	* ext-dce.cc (ext_dce_try_optimize_insn): Enable rescan in
	remove_reg_equal_equiv_notes call.

2025-07-03  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-06-22  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/120550
	* ext-dce.cc (ext_dce_try_optimize_insn): Drop REG_EQUAL/REG_EQUIV
	notes on modified insns.

2025-07-02  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-07-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120927
	* tree-vect-loop.cc (vect_analyze_loop): Stop querying
	further epilogues after one with partial vectors.

2025-07-02  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/driver-i386.cc (host_detect_local_cpu): Change
	to AMX-FP8 for Diamond Rapids.

2025-07-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-07-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120608
	* passes.def (pass_musttail): Move before pass_sanopt.
	* tree-tailcall.cc (empty_eh_cleanup): Handle GIMPLE_RESX
	which doesn't throw externally through recursion on single
	eh edge (if any and cnt still allows that).
	(find_tail_calls): Add ESUCC, IGNORED_EDGES and MUST_SEE_BBS
	arguments.  Handle GIMPLE_CONDs for non-simplified cleanups with
	finally_tmp temporaries both on backward and forward walks, adjust
	recursive call.
	(tree_optimize_tail_calls_1): Adjust find_tail_calls callers.

2025-06-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple-fold.cc (fold_const_aggregate_ref_1) <COMPONENT_REF>:
	Bail out immediately if the reference has reverse storage order.
	* tree-ssa-sccvn.cc (fully_constant_vn_reference_p): Likewise.

2025-06-26  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (LTO_minor_version): Bump to 1.

2025-06-26  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-06-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120729
	* gimple-predicate-analysis.h (uninit_analysis::prune_phi_opnds):
	Add argument of work budget remaining.
	* gimple-predicate-analysis.cc (uninit_analysis::prune_phi_opnds):
	Likewise.  Maintain and honor it throughout the recursion.
	* params.opt (uninit-max-prune-work): New.
	* doc/invoke.texi (uninit-max-prune-work): Document.

2025-06-26  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-06-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120654
	* vr-values.cc (range_fits_type_p): Check for undefined_p ()
	before accessing type ().

2025-06-25  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-06-10  Jeff Law  <jlaw@ventanamicro.com>

	* config/riscv/riscv.md (lui-constraint<X:mode>and_to_or): Do not use
	the RTL template for split code.  Emit it directly taking care to avoid
	emitting a constant load that needed synthesis.  Fix formatting.

2025-06-25  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-06-12  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/120624
	* config/aarch64/aarch64.md (SME_STATE_REGNUM): Expand on comments.
	* config/aarch64/aarch64-sme.md (aarch64_restore_za): Also set
	SME_STATE_REGNUM

2025-06-25  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-05-30  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/120347
	* rtlanal.cc (rtx_properties::try_to_add_src): Don't drop the
	IN_MEM_LOAD and IN_MEM_STORE flags for autoinc registers.
	* rtl-ssa/changes.cc (recog_level2): Check whether an
	RTX_AUTOINCed register also appears outside of an address.

2025-06-25  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h (PTA_ALDERLAKE): Use PTA_GOLDMONT_PLUS
	as base to remove PTA_CLDEMOTE.
	(PTA_SIERRAFOREST): Add PTA_CLDEMOTE since PTA_ALDERLAKE
	does not include that anymore.
	* doc/invoke.texi: Update texi file.

2025-06-23  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120608
	* tree-tailcall.cc (empty_eh_cleanup): Ignore .ASAN_MARK (POISON)
	internal calls for the cfun->has_musttail case and diag_musttail.
	(find_tail_calls): Likewise.

2025-06-23  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120608
	* cfgexpand.cc: Include rtl-iter.h.
	(expand_gimple_tailcall): Add ASAN_EPILOG_SEQ argument, if non-NULL
	and expand_gimple_stmt emitted a tail call, emit a copy of that
	insn sequence before the call sequence.
	(expand_gimple_basic_block): Remove DISABLE_TAIL_CALLS argument, add
	ASAN_EPILOG_SEQ argument.  Disable tail call flag only on non-musttail
	calls if that flag is set, pass it to expand_gimple_tailcall.
	(pass_expand::execute): Pass VAR_RET_SEQ directly as last
	expand_gimple_basic_block argument rather than its comparison with
	NULL.

2025-06-20  Jeff Law  <jlaw@ventanamicro.com>

	Backported from master:
	2025-05-05  Jeff Law  <jlaw@ventanamicro.com>

	PR target/119971
	* config/riscv/bitmanip.md (rotation with masked count): Rewrite
	as define_insn patterns.  Fix formatting.
	* config/riscv/riscv.md (shift with masked count): Similarly.

2025-06-19  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120631
	* dfp.cc (decimal_real_to_integer): Use result multiplication not just
	when precision > 128 and dn.exponent > 19, but when precision > 64
	and dn.exponent > 0.

2025-06-19  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120631
	* real.cc (decimal_from_integer): Add digits argument, if larger than
	256, use XALLOCAVEC allocated buffer.
	(real_from_integer): Pass val_in's precision divided by 3 to
	decimal_from_integer.
	* dfp.cc (decimal_real_to_integer): For precision > 128 if finite
	and exponent is large, decrease exponent and multiply resulting
	wide_int by powers of 10^19.

2025-06-18  Jan Beulich  <jbeulich@suse.com>

	* doc/gcov.texi: Drop blank after @anchor.

2025-06-18  Jan Beulich  <jbeulich@suse.com>

	* doc/extend.texi: Fill first argument of @xref{}.

2025-06-17  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/120677
	* gimple-crc-optimization.cc (crc_optimization::optimize_crc_loop):
	Insert before gsi_after_labels instead of gsi_start_bb.  Use
	gimple_bb (output_crc) instead of output_crc->bb.  Formatting fix.

2025-06-14  Georg-Johann Lay  <avr@gjlay.de>

	PR rtl-optimization/120423
	PR rtl-optimization/116389
	* config/avr/avr.md [-mno-lra]: Add pre-reload split to transform
	(left shift of) a paradoxical subreg to a (left shift of) zero-extend.

2025-06-13  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/120638
	* tree-ssa-math-opts.cc (pass_cse_reciprocals::execute): Call
	reset_flow_sensitive_info on arg1.

2025-06-13  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-06-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/120547
	* real.cc (real_from_integer): Remove maxbitlen variable, use
	len instead of that.  When shifting right, or in 1 if any of the
	shifted away bits are non-zero.  Formatting fix.

2025-06-13  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-05-20  Jakub Jelinek  <jakub@redhat.com>

	* tree-chrec.cc (convert_affine_scev): Use signed_type_for instead of
	build_nonstandard_integer_type.

2025-06-12  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-05-29  Martin Jambor  <mjambor@suse.cz>

	PR ipa/120295
	* ipa-prop.cc (update_jump_functions_after_inlining): Do not
	combine pass-through jump functions with type-casts changing
	signedness.

2025-06-10  Andrew Pinski  <quic_apinski@quicinc.com>

	Backported from master:
	2025-04-30  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/120042
	* tree-vectorizer.h: Include dominance.h.

2025-06-10  Xi Ruoyao  <xry111@xry111.site>

	Backported from master:
	2025-06-04  Xi Ruoyao  <xry111@xry111.site>

	PR rtl-optimization/120050
	* ext-dce.cc (ext_dce_process_uses): Break early if a SUBREG in
	rhs is promoted and the truncation from the inner mode to the
	outer mode is not a noop when handling SETs.

2025-06-06  Tobias Burnus  <tburnus@baylibre.com>

	Backported from master:
	2025-06-05  Tobias Burnus  <tburnus@baylibre.com>

	* config.gcc (--with-{arch,tune}): Use .def file to validate gcn
	processor names.
	* doc/install.texi (amdgcn*-*-*): Update list of devices supported
	by --with-arch/--with-tune.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120357
	* tree-vect-loop.cc (vect_create_epilog_for_reduction): Create
	the conditional reduction induction IV increment before the
	main IV exit.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120341
	* tree-ssa-loop-im.cc (can_sm_ref_p): STRING_CSTs are readonly.
	* tree-ssa-phiopt.cc (cond_store_replacement): Likewise.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-09  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/120182
	* dse.cc (canon_address): Constant addresses have no
	separate store group.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-04-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120003
	* tree-ssa-threadbackward.cc (back_threader::find_paths_to_names):
	Allow block re-use but do not enlarge the path beyond such a
	re-use.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119960
	* tree-vect-slp.cc (vect_slp_can_convert_to_external):
	Handle cases where defs from multiple BBs are ordered
	by their dominance relation.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/116352
	* tree-vect-slp.cc (vect_build_slp_tree_2): When compressing
	operands from a two-operator node make sure the resulting
	operation does not mix defs from different basic-blocks.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-04-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119960
	* tree-vect-slp.cc (vect_schedule_slp_node): Sanity
	check dominance check on operand defs.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-04-30  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (get_later_stmt): Robustify against
	stmts in different BBs, assert when they are unordered.

2025-06-06  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-15  Richard Biener  <rguenther@suse.de>

	* config/i386/i386.cc (ix86_vector_costs::finish_cost):
	Do not suggest a first epilogue mode for AVX512 sized
	main loops with X86_TUNE_AVX512_TWO_EPILOGUES as that
	interferes with using a masked epilogue.

2025-06-05  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-vect-data-refs.cc (vect_can_force_dr_alignment_p): Return
	false if the variable has no symtab node.

2025-05-29  Yuta Mukai  <mukai.yuta@fujitsu.com>

	Backported from master:
	2025-05-28  Yuta Mukai  <mukai.yuta@fujitsu.com>

	* config/aarch64/aarch64-cores.def (fujitsu-monaka): Update ISA
	features.

2025-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* ipa-sra.cc (scan_expr_access): Also disqualify storage order
	barriers from splitting.
	* tree.h (storage_order_barrier_p): Also return false if the
	operand of the VIEW_CONVERT_EXPR has reverse storage order.

2025-05-27  Jonathan Wakely  <jwakely@redhat.com>

	Backported from master:
	2025-05-27  Jonathan Wakely  <jwakely@redhat.com>

	* doc/extend.texi (Common Variable Attributes): Fix typo in
	description of nonstring.

2025-05-25  Michael J. Eager  <eager@eagercon.com>

	PR target/86772
	Tracking CVE-2017-5753
	* config/microblaze/microblaze.cc (TARGET_HAVE_SPECULATION_SAFE_VALUE):
	Define to speculation_save_value_not_needed

2025-05-20  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-05-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/111873
	* tree-sra.cc (sra_modify_expr): When processing a load which has
	a type-incompatible replacement, do not store the contents of the
	replacement into the original aggregate when that aggregate is
	const.

2025-05-20  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-05-16  Martin Jambor  <mjambor@suse.cz>
		    Michal Jires  <mjires@suse.cz>

	* cgraph.h (symtab_node): Make member function get_uid const.
	* cgraphclones.cc (dump_callgraph_transformation): Dump m_uid of the
	call graph nodes instead of order.
	* cgraph.cc (cgraph_node::remove): Likewise.
	* ipa-cp.cc (ipcp_lattice<valtype>::print): Likewise.
	* ipa-sra.cc (ipa_sra_summarize_function): Likewise.
	* symtab.cc (symtab_node::dump_base): Likewise.

2025-05-16  Maciej W. Rozycki  <macro@orcam.me.uk>

	Backported from master:
	2025-04-19  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha.cc
	(alpha_get_mem_rtx_alignment_and_offset): Recurse into
	COMPONENT_REF nodes.

2025-05-14  Kyle Huey  <me@kylehuey.com>

	* dwarf2out.cc (resolve_addr_in_expr): Propagate dtprel into the address
	table when appropriate.

2025-05-13  Gaius Mulley  <gaiusmod2@gmail.com>

	Backported from master:
	2025-05-12  Gaius Mulley  <gaiusmod2@gmail.com>

	PR modula2/120188
	* doc/gm2.texi (Semantic checking): Add -fm2-plugin command line option.

2025-05-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120211
	* tree-vect-stmts.cc (vect_stmt_relevant_p): Only add PHIs
	from the loop header to LOOP_VINFO_EARLY_BREAKS_LIVE_IVS.

2025-05-11  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-08  Richard Biener  <rguenther@suse.de>

	PR ipa/120146
	* tree-ssa-structalias.cc (create_variable_info_for): If
	the symtab cannot tell us whether all refs to a variable
	are explicit assume they are not.

2025-05-11  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120143
	* tree-vect-data-refs.cc (vect_analyze_early_break_dependences):
	Move/update the original stmts, not the pattern stmts which
	lack virtual operands and are not in the IL.

2025-05-11  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120089
	* tree-vect-stmts.cc (vect_stmt_relevant_p): Mark all
	PHIs live when not already so and doing early-break
	vectorization.
	(vect_mark_stmts_to_be_vectorized): Skip virtual PHIs.
	* tree-vect-slp.cc (vect_analyze_slp): Robustify handling
	of early-break forced IVs.

2025-05-11  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-05-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/120043
	* tree-ssa-phiopt.cc (cond_store_replacement): Check
	whether the store is to readonly memory.

2025-05-09  Eric Botcazou  <ebotcazou@adacore.com>

	* vr-values.cc (simplify_using_ranges::simplify) <BIT_AND_EXPR>:
	Do not call simplify_bit_ops_using_ranges for boolean types whose
	precision is not 1.

2025-05-07  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-05-06  Martin Jambor  <mjambor@suse.cz>

	PR ipa/119852
	* cgraphclones.cc (dump_callgraph_transformation): Document the
	function.  Do not dump if suffix is NULL.

2025-05-07  Martin Jambor  <mjambor@suse.cz>

	Backported from master:
	2025-05-06  Martin Jambor  <mjambor@suse.cz>

	* doc/invoke.texi (Developer Options): Document -fdump-ipa-clones.

2025-05-06  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/120048
	* ipa-cp.cc (ipcp_store_vr_results): Check for UNDEFINED.

2025-05-06  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-05-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/120074
	* gimple-fold.cc (fold_truth_andor_for_ifcombine): For
	lsignbit && l_xor case, punt if ll_bitsize != lr_bitsize.  Similarly
	for rsignbit && r_xor case, punt if rl_bitsize != rr_bitsize.
	Formatting fix.

2025-05-05  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-04-30  Richard Biener  <rguenther@suse.de>

	PR ipa/120006
	* tree-ssa-structalias.cc (find_func_clobbers): Handle
	strdup, strndup, realloc, index, strchr, strrchr, memchr,
	strstr, strpbrk builtins like find_func_aliases does.

2025-05-05  Richard Biener  <rguenther@suse.de>

	Backported from master:
	2025-04-28  Richard Biener  <rguenther@suse.de>

	PR ipa/119973
	* tree-ssa-structalias.cc (create_variable_info_for):
	Build constraints from DECL_INITIAL directly rather than
	the IPA reference list which is incomplete.

2025-04-30  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/119712
	* value-range.cc (range_bitmask::adjust_range): Delete.
	(irange::set_range_from_bitmask): Integrate adjust_range.
	(irange::update_bitmask): Do nothing if bitmask doesnt change.
	(irange:intersect_bitmask): Do not call adjust_range. Exit if there
	is no second bitmask.
	* value-range.h (adjust_range): Remove prototype.

2025-04-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (fxload_<mode>_libgcc): Use REG_ prefix for
	magix register numbers (aligns with trunk).

2025-04-30  Georg-Johann Lay  <avr@gjlay.de>

	Backported from master:
	2025-04-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (xload_<mode>_libgcc): Clobber R21, Z.

2025-04-29  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-04-24  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/119610
	* config/aarch64/aarch64.cc (aarch64_allocate_and_probe_stack_space):
	Add a bytes_below_sp parameter and use it to calculate the CFA
	offsets.  Attach the first SVE CFA note to the move into the
	associated temporary register.
	(aarch64_allocate_and_probe_stack_space): Update calls accordingly.
	Start out with bytes_per_sp set to the frame size and decrement
	it after each allocation.

2025-04-29  liuhongt  <hongtao.liu@intel.com>

	Backported from master:
	2025-04-29  liuhongt  <hongtao.liu@intel.com>

	* config/i386/x86-tune.def (X86_TUNE_DEST_FALSE_DEP_FOR_GLC):
	Remove other processor except for GLC since this one is only
	for GLC.

2025-04-25  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/119873
	* config/s390/s390.cc (s390_call_saved_register_used): Don't return
	true if default definition of PARM_DECL SSA_NAME of the same register
	is passed in call saved register in the PARALLEL case either.

2025-04-25  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-04-24  Jakub Jelinek  <jakub@redhat.com>
		    Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/119873
	* config/s390/s390.cc (s390_call_saved_register_used): Don't return
	true if default definition of PARM_DECL SSA_NAME of the same register
	is passed in call saved register.
	(s390_function_ok_for_sibcall): Adjust comment.

2025-04-25  Jakub Jelinek  <jakub@redhat.com>

	Backported from master:
	2025-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR target/119327
	* config/rs6000/rs6000.cc (rs6000_can_inline_p): Ignore also
	OPTION_MASK_SAVE_TOC_INDIRECT differences.

2025-04-25  Release Manager

	* GCC 15.1.0 released.

2025-04-24  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-04-24  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* opts.cc (validate_ipa_reorder_locality_lto_partition): Check opts
	instead of opts_set for x_flag_ipa_reorder_for_locality.
	(finish_options): Update call site.

2025-04-24  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-04-24  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* common.opt (LTO_PARTITION_DEFAULT): Delete.
	(flto-partition=): Change default back to balanced.
	* flag-types.h (lto_partition_model): Remove LTO_PARTITION_DEFAULT.
	* opts.cc (validate_ipa_reorder_locality_lto_partition):
	Check opts_set->x_flag_lto_partition instead of LTO_PARTITION_DEFAULT.
	(finish_options): Remove handling of LTO_PARTITION_DEFAULT.

2025-04-22  Richard Sandiford  <richard.sandiford@arm.com>

	Backported from master:
	2025-04-22  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Define
	__ARM_FEATURE_FAMINMAX.

2025-04-22  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-04-22  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* config/aarch64/aarch64-cores.def (olympus): Add fp8fma, fp8dot4
	explicitly.

2025-04-22  Kyrylo Tkachov  <ktkachov@nvidia.com>

	Backported from master:
	2025-04-22  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* doc/invoke.texi (lto-partition-locality-frequency-cutoff,
	lto-partition-locality-size-cutoff, lto-max-locality-partition):
	Document.

2025-04-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119858
	* tree-vect-loop.cc (vectorizable_live_operation): Convert
	pointer offset to sizetype.

2025-04-17  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/119351
	* tree-vect-stmts.cc (vectorizable_early_exit): Mask both operands of
	the gcond for partial masking support.

2025-04-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/119834
	* config/s390/s390.md (define_split after *cpymem_short): Use
	(clobber (match_scratch N)) instead of (clobber (scratch)).  Use
	(match_dup 4) and operands[4] instead of (match_dup 3) and operands[3]
	in the last of those.
	(define_split after *clrmem_short): Use (clobber (match_scratch N))
	instead of (clobber (scratch)).
	(define_split after *cmpmem_short): Likewise.

2025-04-17  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (TARGET_ASM_NEED_VAR_DECL_BEFORE_USE):
	Don't '#define'.

2025-04-17  Hans-Peter Nilsson  <hp@axis.com>

	* combine.cc: Correct comments about combine_validate_cost.

2025-04-16  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/88382
	* doc/extend.texi (Syntax Extensions): Adjust menu.
	(Raw String Literals): New section.

2025-04-16  Keith Packard  <keithp@keithp.com>

	* config/rx/rx.md (cmpstrnsi): Allow constant length.  For
	static length 0, just store 0 into the output register.
	For dynamic zero, set C/Z appropriately.
	(rxcmpstrn): No longer set C/Z.

2025-04-16  Eric Botcazou  <ebotcazou@gcc.gnu.org>

	* tree-ssa-phiopt.cc (factor_out_conditional_operation): Do not
	bypass the int_fits_type_p test for boolean types whose precision
	is not 1.

2025-04-16  Sandra Loosemore  <sloosemore@baylibre.com>

	* common.opt.urls: Regenerated.

2025-04-16  Ard Biesheuvel  <ardb@kernel.org>

	PR target/119386
	* config/i386/i386-options.cc: Permit -mnop-mcount when
	using -fpic with PLTs.

2025-04-16  Ard Biesheuvel  <ardb@kernel.org>

	PR target/119386
	* config/i386/i386.cc (x86_print_call_or_nop): Add @PLT suffix
	where appropriate.
	(x86_function_profiler): Fall through to x86_print_call_or_nop()
	for PIC codegen when flag_plt is set.

2025-04-16  Sandra Loosemore  <sloosemore@baylibre.com>

	PR driver/90465
	* doc/invoke.texi (Overall Options): Add a @cindex for -Q in
	connection with --help=.
	(Developer Options): Point at --help= documentation for the
	other use of -Q.

2025-04-16  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/97106
	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[ACCEL_COMPILER]: Make sure to emit C++ constructor, destructor
	aliases.

2025-04-16  Jan Hubicka  <hubicka@ucw.cz>

	PR tree-optimization/119614
	* ipa-prop.cc (ipa_write_return_summaries): New function.
	(ipa_record_return_value_range_1): Break out from ....
	(ipa_record_return_value_range): ... here.
	(ipa_read_return_summaries): New function.
	(ipa_prop_read_section): Read return summaries.
	(read_ipcp_transformation_info): Read return summaries.
	(ipcp_write_transformation_summaries): Write return summaries;
	do not stream stray 0.

2025-04-16  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/119351
	* tree-vectorizer.h (LOOP_VINFO_MASK_NITERS_PFA_OFFSET,
	LOOP_VINFO_NON_LINEAR_IV): New.
	(class _loop_vec_info): Add mask_skip_niters_pfa_offset and
	nonlinear_iv.
	* tree-vect-loop.cc (_loop_vec_info::_loop_vec_info): Initialize them.
	(vect_analyze_scalar_cycles_1): Record non-linear inductions.
	(vectorizable_induction): If early break and PFA using masking create a
	new phi which tracks where the scalar code needs to start...
	(vectorizable_live_operation): ...and generate the adjustments here.
	(vect_use_loop_mask_for_alignment_p): Reject non-linear inductions and
	early break needing peeling.

2025-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/119808
	* gimple-lower-bitint.cc (gimple_lower_bitint): Don't set
	m_single_use_names bits for SSA_NAMEs which have single use but
	their SSA_NAME_DEF_STMT is a copy from another SSA_NAME which doesn't
	have a single use, or single use which is such a copy etc.

2025-04-16  Jesse Huang  <jesse.huang@sifive.com>

	* config/riscv/riscv.cc (riscv_file_end): Fix .p2align value.

2025-04-16  Kito Cheng  <kito.cheng@sifive.com>

	* config/riscv/riscv.h (JUMP_TABLES_IN_TEXT_SECTION): Check if
	large code model.

2025-04-16  Tejas Belagod  <tejas.belagod@arm.com>

	* config/aarch64/aarch64-sve.md (vec_extract<vpred><Vel>): Fix operand
	order to gen_vcond_mask_*.

2025-04-16  Alice Carlotti  <alice.carlotti@arm.com>

	* config/aarch64/aarch64.cc
	(aarch64_valid_sysreg_name_p): Remove feature check.
	(aarch64_retrieve_sysreg): Ditto.

2025-04-15  Sandra Loosemore  <sloosemore@baylibre.com>

	PR tree-optimization/71094
	* doc/invoke.texi (Optimize Options): Document that -fivopts is
	enabled at -O1 and higher.  Add blurb about -O0 causing GCC to
	completely ignore most optimization options.

2025-04-15  Iain Sandoe  <iain@sandoe.co.uk>

	* configure: Regenerate.
	* configure.ac: Recognise PROJECT:ld-mmmm.nn.aa as an identifier
	for Darwin's static linker.

2025-04-15  Iain Sandoe  <iainsandoe@mini-05-seq.local>

	PR target/116827
	* ginclude/stddef.h: Undefine __PTRDIFF_T and __SIZE_T for module-
	enabled c++ on Darwin/macOS platforms.

2025-04-15  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* common.opt.urls: Regenerate.

2025-04-15  Jan Hubicka  <hubicka@ucw.cz>

	* config/i386/x86-tune-sched.cc (ix86_issue_rate): Set
	to 4 for znver5.

2025-04-15  Jan Hubicka  <hubicka@ucw.cz>

	PR target/119298
	* config/i386/x86-tune-costs.h (znver5_cost): Set ADDSS cost to 3.

2025-04-15  Vineet Gupta  <vineetg@rivosinc.com>

	PR target/119533
	* config/riscv/riscv-vsetvl.cc (invalid_opt_bb_p): Check for
	EDGE_ABNOMAL.
	(pre_vsetvl::compute_lcm_local_properties): Initialize kill
	bitmap.
	Debug dump skipped edge.

2025-04-15  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/119547
	* config/riscv/riscv-vsetvl.cc (pre_vsetvl::earliest_fuse_vsetvl_info):
	Do not perform lift if block is not transparent.

2025-04-15  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* Makefile.in (OBJS): Add ipa-locality-cloning.o.
	* cgraph.h (set_new_clone_decl_and_node_flags): Declare prototype.
	* cgraphclones.cc (set_new_clone_decl_and_node_flags): Remove static
	qualifier.
	* common.opt (fipa-reorder-for-locality): New flag.
	(LTO_PARTITION_DEFAULT): Declare.
	(flto-partition): Change default to LTO_PARTITION_DFEAULT.
	* doc/invoke.texi: Document -fipa-reorder-for-locality.
	* flag-types.h (enum lto_locality_cloning_model): Declare.
	(lto_partitioning_model): Add LTO_PARTITION_DEFAULT.
	* lto-cgraph.cc (lto_set_symtab_encoder_in_partition): Add dumping of
	node and index.
	* opts.cc (validate_ipa_reorder_locality_lto_partition): Define.
	(finish_options): Handle LTO_PARTITION_DEFAULT.
	* params.opt (lto_locality_cloning_model): New enum.
	(lto-partition-locality-cloning): New param.
	(lto-partition-locality-frequency-cutoff): Likewise.
	(lto-partition-locality-size-cutoff): Likewise.
	(lto-max-locality-partition): Likewise.
	* passes.def: Register pass_ipa_locality_cloning.
	* timevar.def (TV_IPA_LC): New timevar.
	* tree-pass.h (make_pass_ipa_locality_cloning): Declare.
	* ipa-locality-cloning.cc: New file.
	* ipa-locality-cloning.h: New file.

2025-04-15  Martin Jambor  <mjambor@suse.cz>
	    Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119803
	* ipa-cp.cc (ipcp_bits_lattice::meet_with_1): Move m_value adjustmed
	according to m_mask below the adjustment of the latter according to
	cap_mask.  Optimize the  calculation of cap_mask a bit.
	(ipcp_bits_lattice::meet_with): Optimize the calculation of cap_mask a
	bit.

2025-04-15  Jakub Jelinek  <jakub@redhat.com>

	* ipa-cp.cc (ipcp_print_widest_int): Print values with all ones in
	bits 128+ with "0xf..f" prefix instead of "all ones folled by ".
	Simplify wide_int check for -1 or all ones above least significant
	128 bits.

2025-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/119801
	* sanitizer.def (BUILT_IN_TSAN_FUNC_EXIT): Use BT_FN_VOID rather
	than BT_FN_VOID_PTR.
	* tree-tailcall.cc: Include attribs.h and asan.h.
	(struct tailcall): Add has_tsan_func_exit member.
	(empty_eh_cleanup): Add eh_has_tsan_func_exit argument, set what
	it points to to 1 if there is exactly one __tsan_func_exit call
	and ignore that call otherwise.  Adjust recursive call.
	(find_tail_calls): Add RETRY_TSAN_FUNC_EXIT argument, pass it
	to recursive calls.  When seeing __tsan_func_exit call with
	RETRY_TSAN_FUNC_EXIT 0, set it to -1.  If RETRY_TSAN_FUNC_EXIT
	is 1, initially ignore __tsan_func_exit calls.  Adjust
	empty_eh_cleanup caller.  When looking through stmts after the call,
	ignore exactly one __tsan_func_exit call but remember it in
	t->has_tsan_func_exit.  Diagnose if EH cleanups didn't have
	__tsan_func_exit and normal path did or vice versa.
	(optimize_tail_call): Emit __tsan_func_exit before the tail call
	or tail recursion.
	(tree_optimize_tail_calls_1): Adjust find_tail_calls callers.  If
	find_tail_calls changes retry_tsan_func_exit to -1, set it to 1
	and call it again with otherwise the same arguments.

2025-04-15  Sandra Loosemore  <sloosemore@baylibre.com>

	PR ipa/113203
	* doc/extend.texi (Common Function Attributes): Explain how to
	use always_inline in programs that have multiple translation
	units, and that LTO inlining additionally needs optimization
	enabled.

2025-04-15  liuhongt  <hongtao.liu@intel.com>

	PR target/108134
	* doc/extend.texi: Remove documents from r11-344-g0fec3f62b9bfc0.

2025-04-15  Sandra Loosemore  <sloosemore@baylibre.com>

	PR target/42683
	* doc/invoke.texi (x86 Options): Clarify that -march=pentiumpro
	doesn't include MMX.

2025-04-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/118794
	* config/gcn/gcn.opt (-mfake-exceptions): Support.
	* config/nvptx/nvptx.opt (-mfake-exceptions): Likewise.
	* config/gcn/gcn.md (define_expand "exception_receiver"): Use it.
	* config/nvptx/nvptx.md (define_expand "exception_receiver"):
	Likewise.
	* config/gcn/mkoffload.cc (main): Set it.
	* config/nvptx/mkoffload.cc (main): Likewise.
	* config/nvptx/nvptx.cc (nvptx_assemble_integer)
	<in_section == exception_section>: Special handling for
	'SYMBOL_REF's.
	* except.cc (expand_dw2_landing_pad_for_region): Don't generate
	bogus code for (default)
	'#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM'.

2025-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119785
	* expmed.cc (init_expmed): Always pass QImode rather than mode to
	set_src_cost passed to set_zero_cost.

2025-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119718
	* tree-pretty-print.cc (dump_generic_node) <case CALL_EXPR>: Dump
	also CALL_EXPR_MUST_TAIL_CALL flag.
	* calls.cc (maybe_complain_about_tail_call): Emit error about
	CALL_EXPR_MUST_TAIL_CALL only after emitting dump message, not before
	it.

2025-04-14  Arthur Cohen  <arthur.cohen@embecosm.com>

	* doc/install.texi: Add requirements for building gccrs.

2025-04-14  H.J. Lu  <hjl.tools@gmail.com>

	PR target/119784
	* config/i386/i386.cc (ix86_using_red_zone): Don't use red-zone
	with 32 GPRs and no caller-saved registers.

2025-04-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118097
	* ipa-cp.cc (ipa_get_jf_arith_result): Require res_operand for
	anything except NOP_EXPR or ADDR_EXPR, document it and remove the code
	trying to deduce it.
	(ipa_value_from_jfunc): Use the stored and streamed type of arithmetic
	pass-through functions.
	(ipa_agg_value_from_jfunc): Use the stored and streamed type of
	arithmetic pass-through functions, convert to the type used to store
	the value if necessary.
	(get_val_across_arith_op): New parameter op_type, pass it to
	ipa_get_jf_arith_result.
	(propagate_vals_across_arith_jfunc): New parameter op_type, pass it to
	get_val_across_arith_op.
	(propagate_vals_across_pass_through): Use the stored and streamed type
	of arithmetic pass-through functions.
	(propagate_aggregate_lattice): Likewise.
	(push_agg_values_for_index_from_edge): Use the stored and streamed
	type of arithmetic pass-through functions, convert to the type used to
	store the value if necessary.

2025-04-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118785
	* ipa-cp.cc (ipa_vr_intersect_with_arith_jfunc): Use the stored
	and streamed type of arithmetic pass-through functions.

2025-04-14  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.cc (ipcp_print_widest_int): Also add a truncated form of
	dumping of widest ints which only have zeros in the lowest 128 bits.
	Update the comment.
	(ipcp_bits_lattice::print): Also dump the mask using
	ipcp_print_widest_int.
	(ipcp_store_vr_results): Likewise.

2025-04-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/119318
	* ipa-cp.cc (ipcp_bits_lattice::meet_with_1): Set all mask bits
	not covered by precision to one.
	(ipcp_bits_lattice::meet_with): Likewise.
	(propagate_bits_across_jump_function): Use the stored operation
	type to perform meet with other lattices.

2025-04-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118097
	PR ipa/118785
	PR ipa/119318
	* lto-streamer.h (lto_variably_modified_type_p): Declare.
	* ipa-prop.h (ipa_pass_through_data): New field op_type.
	(ipa_get_jf_pass_through_op_type): New function.
	* ipa-prop.cc: Include lto-streamer.h.
	(ipa_dump_jump_function): Dump also pass-through
	operation types, if any.  Dump pass-through operands only if not NULL.
	(ipa_set_jf_simple_pass_through): Set op_type accordingly.
	(compute_complex_assign_jump_func): Set op_type of arithmetic
	pass-through jump_functions.
	(analyze_agg_content_value): Update lhs when walking assighment
	copies.  Set op_type of aggregate arithmetic pass-through
	jump_functions.
	(update_jump_functions_after_inlining): Also transfer the operation
	type from the source arithmentic pass-through jump function to the
	destination jump function.
	(ipa_write_jump_function): Stream also the op_type when necessary.
	(ipa_read_jump_function): Likewise.
	(ipa_agg_pass_through_jf_equivalent_p): Also compare operation types.
	* lto-streamer-out.cc (lto_variably_modified_type_p): Make public.

2025-04-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119757
	* tree-vect-slp.cc (vect_build_slp_tree_1): Record and compare
	whether a stmt uses a maks.

2025-04-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119778
	* tree-inline.cc (copy_edges_for_bb): Mark calls that are
	source of abnormal edges as altering control-flow.

2025-04-14  Gaius Mulley  <gaiusmod2@gmail.com>

	PR modula2/119779
	* doc/gm2.texi (Interface to assembly language): Use eax
	rather than rax in both examples.

2025-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR driver/119727
	* configure.ac (HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE): New check.
	* gcc.cc: Include sys/personality.h if
	HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE is defined.
	(try_generate_repro): Call
	personality (personality (0xffffffffU) | ADDR_NO_RANDOMIZE)
	if HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE is defined.
	* config.in: Regenerate.
	* configure: Regenerate.

2025-04-13  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390.cc: Add z17 scheduler description.
	* config/s390/s390.h: Ditto.
	* config/s390/s390.md: Ditto.
	* config/s390/9175.md: New file.

2025-04-13  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* common/config/s390/s390-common.cc: Rename arch15 to z17.
	* config.gcc: Add z17.
	* config/s390/driver-native.cc: Detect z17 machine.
	* config/s390/s390-builtins.def (B_VXE3): Rename arch15 to z17.
	* config/s390/s390-c.cc (s390_resolve_overloaded_builtin): Ditto.
	* config/s390/s390-opts.h (enum processor_type): Ditto.
	* config/s390/s390.cc: Ditto.
	* config/s390/s390.h: Ditto.
	* config/s390/s390.md: Ditto.
	* config/s390/s390.opt: Add z17.
	* doc/invoke.texi: Ditto.

2025-04-12  Sandra Loosemore  <sloosemore@baylibre.com>

	PR target/97585
	* doc/invoke.texi (x86 Options): Document list of extensions
	supported by -march=x86_64, according to the declaration of
	PTA_X86_64_BASELINE in config/i386/i386.h.

2025-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR driver/119727
	* gcc.cc (files_equal_p): Rewritten using fopen/fgets/fclose instead
	of open/fstat/read/close.  At the start of lines, ignore lowercase
	hexadecimal addresses followed by space.

2025-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119722
	* gimple-lower-bitint.h (build_bitint_stmt_ssa_conflicts): Add
	CLEAR argument.
	* gimple-lower-bitint.cc (build_bitint_stmt_ssa_conflicts): Add
	CLEAR argument.  Call clear on gimple_assign_copy_p rhs1 if lhs
	is large/huge bitint unless lhs is not in names.
	* tree-ssa-coalesce.cc (build_ssa_conflict_graph): Adjust
	build_bitint_stmt_ssa_conflicts caller.  Move gimple_assign_copy_p
	handling to after the build_bitint_stmt_ssa_conflicts call.

2025-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119718
	* tree-tailcall.cc (maybe_error_musttail): Dump the GIMPLE at the
	end of the Cannot tail-call line rather than on the line before it.
	* calls.cc (maybe_complain_about_tail_call): Dump the GENERIC
	at the end of the ;; Cannot tail-call line rather than on the
	line before it.

2025-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119718
	* tree-tailcall.cc (maybe_error_musttail): Only dump into dump_file
	if dump_flags & TDF_DETAILS.  Use "Cannot tail-call: " prefix instead
	of "Cannot convert: ".
	(find_tail_calls, tree_optimize_tail_calls_1): Formatting fixes
	for maybe_error_musttail calls.
	* calls.cc (maybe_complain_about_tail_call): Emit also a message
	into dump_file when dump_flags & TDF_DETAILS for CALL_EXPR_TAILCALL
	calls.
	(initialize_argument_information): Formatting fix for
	maybe_complain_about_tail_call calls.
	(can_implement_as_sibling_call_p, expand_call): Likewise.

2025-04-11  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c++/106618
	* doc/invoke.texi (Option Summary): Remove -fargs-in-order, add
	-fstrong-eval-order.
	(C++ Dialect Options): Explicitly document that -fstrong-eval-order
	takes an optional argument and what the choices are.  Generalize
	references to C++17.

2025-04-11  Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/105548
	* doc/invoke.texi (Optimize Options): Delete misleading sentence
	about conversions.

2025-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119707
	* gimple-lower-bitint.cc (bitint_large_huge::handle_cast): Only use
	m_data[save_data_cnt] instead of m_data[save_data_cnt + 1] if
	idx is odd and equal to low + 1.  Remember tree_to_uhwi (idx) in
	a temporary instead of calling the function multiple times.

2025-04-11  Sandra Loosemore  <sloosemore@baylibre.com>

	PR tree-optimization/87909
	* common.opt.urls: Regenerate.
	* doc/invoke.texi (Option Summary): Add -ftree-cselim.
	(Optimize Options): Likewise.

2025-04-11  Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/14708
	* doc/invoke.texi (Optimize Options): List -fexcess-precision
	before -ffloat-store, moving some background discussion to the
	former from the latter.  Recommend using -fexcess-precision=standard
	instead of -ffloat-store.

2025-04-10  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.h (LINK_SPEC): Add support for
	-static-libgcobol.

2025-04-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/119706
	* gimple-expr.cc (is_gimple_mem_ref_addr): Also allow
	POLY_INT_CST.

2025-04-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/119399
	* tree-data-ref.cc (create_waw_or_war_checks): Use a MINUS_EXPR
	on two converted pointers, rather than converting a POINTER_DIFF_EXPR
	on the pointers.

2025-04-10  Kito Cheng  <kito.cheng@sifive.com>

	* config/riscv/multilib-generator: Remove the compact code model
	and check large code model for RV32.

2025-04-09  Jakub Jelinek  <jakub@redhat.com>

	* pretty-print.cc (pretty_printer::format): Use %.Ns instead of
	%Ns in function comment.

2025-04-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/119664
	* config/h8300/jumpcall.md (bit test and jump define_insn_and_split):
	Use HSI iterator rather than QHSI.

2025-04-09  Jakub Jelinek  <jakub@redhat.com>

	* config/riscv/riscv-vector-builtins.cc (verify_type_context):
	Diagnose RVV types for a given OpenMP context.

2025-04-09  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/119689
	PR rtl-optimization/115568
	* lra-remat.cc (create_cands): Use prev_nonnote_nondebug_insn
	to check whether insn2 is directly before insn.

2025-04-09  Robin Dapp  <rdapp@ventanamicro.com>

	PR middle-end/116595
	* expr.cc (categorize_ctor_elements_1): Use
	constant_lower_bound.

2025-04-09  Yang Yujie  <yangyujie@loongson.cn>

	* config/loongarch/genopts/gen-evolution.awk: remove
	usage of "asort".
	* config/loongarch/genopts/genstr.sh: replace sed with awk.

2025-04-08  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c++/90468
	* doc/invoke.texi (Warning Options): Clean up text describing
	-Wno-xxx.

2025-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119672
	* simplify-rtx.cc (simplify_context::simplify_relational_operation_1):
	For POPCOUNT == 0 or != 0 optimizations use
	CONST0_RTX (GET_MODE (XEXP (op0, 0))) rather than const0_rtx.

2025-04-08  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119662
	* gimplify.cc (modify_call_for_omp_dispatch): Fix GOMP_interop
	arg passing; add location info to function calls.

2025-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/119678
	* config/riscv/freebsd.h (LINK_SPEC): Use FBSD_LINK_PG_NOTE rather
	than non-existing FBSD_LINK_PG_NOTES.

2025-04-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[!ACCEL_COMPILER]: Don't define label 'emit_ptx_alias'.

2025-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119594
	* cse.cc (count_reg_usage): Count even x == dest regs if they have
	non-zero counts already and incr is positive.

2025-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR lto/119625
	* lto-opts.cc (lto_write_options): Mask of CF_SET from
	global_options.x_flag_cf_protection.

2025-04-08  Tejas Belagod  <tejas.belagod@arm.com>
	    Andrea Corallo  <andrea.corallo@arm.com>

	* target.h (type_context_kind): Add new context kinds for target clauses.
	(omp_type_context): Query if the context is of OMP kind.
	* config/aarch64/aarch64-sve-builtins.cc (verify_type_context): Diagnose
	SVE types for a given OpenMP context.
	(omp_type_context): New.
	* gimplify.cc (omp_notice_variable): Diagnose implicitly-mapped SVE
	objects in OpenMP regions.
	(gimplify_scan_omp_clauses): Diagnose SVE types for various target
	clauses.

2025-04-08  Tejas Belagod  <tejas.belagod@arm.com>

	* tree.h (strip_pointer_types): New.

2025-04-08  Richard Sandiford  <richard.sandiford@arm.com>
	    Tejas Belagod  <tejas.belagod@arm.com>

	PR middle-end/101018
	* poly-int.h (can_and_p): New function.
	* fold-const.cc (poly_int_binop): Use it to optimize BIT_AND_EXPRs
	involving POLY_INT_CSTs.
	* gimplify.cc (omp_notice_variable): Use poly_int_tree_p instead
	of INTEGER_CST when checking for constant-sized omp data.
	(gimplify_adjust_omp_clauses_1): Likewise.
	(gimplify_adjust_omp_clauses): Likewise.
	* omp-low.cc (scan_sharing_clauses): Likewise.

2025-04-08  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.h (PTA_DIAMONDRAPIDS): Add PTA_AVX10_1_256.

2025-04-08  Jin Ma  <jinma@linux.alibaba.com>

	* config/riscv/vector.md: Disable vsext/vzext for XTheadVector.

2025-04-07  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/113257
	* config/aarch64/aarch64-cores.def (AARCH64_CORE): Add Apple-a12,
	Apple-M1, Apple-M2, Apple-M3 with expanded names to allow for the
	LITTLE.big versions.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.texi: Add apple-m1,2 and 3 cores to the ones listed
	for arch and tune selections.

2025-04-07  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.opt (-mfake-ptx-alloca): Update.

2025-04-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/118924
	* tree-sra.cc (create_total_scalarization_access): Set
	grp_same_access_path flag to zero.

2025-04-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/118924
	* tree-ssa-alias-compare.h (types_equal_for_same_type_for_tbaa_p):
	Declare.
	* tree-ssa-alias.cc: Include ipa-utils.h.
	(types_equal_for_same_type_for_tbaa_p): New public overloaded variant.
	* tree-sra.cc: Include tree-ssa-alias-compare.h.
	(create_access): Initialzie grp_same_access_path to true.
	(build_accesses_from_assign): Detect tbaa hazards and clear
	grp_same_access_path fields of involved accesses when they occur.
	(sort_and_splice_var_accesses): Take previous values of
	grp_same_access_path into account.

2025-04-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119640
	* tree-vect-stmts.cc (vectorizable_shift): Always insert code
	for one of our SLP operands before the code for the vector
	shift itself.

2025-04-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119614
	* tree-tailcall.cc (find_tail_calls): Remember edges which have been
	walked through if !ass_var.  Perform IPA-VRP workaround even when
	ret_var is not TREE_CONSTANT, in that case check in a loop if it is
	a PHI result and in that case look at the PHI argument from
	corresponding edge in the edge vector.

2025-04-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR testsuite/116398
	* params.opt (-param=max-combine-search-insns=): New param.
	* doc/invoke.texi: Document it.
	* combine.cc (insn_link::insn_count): New field.
	(alloc_insn_link): Initialize it.
	(distribute_links): Add a limit parameter.
	(try_combine): Use the new param to limit distribute_links
	when only i3 has changed.

2025-04-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR testsuite/116398
	* combine.cc (distribute_links): Take an optional start point.
	(try_combine): If only i3 has changed, only distribute i3's links,
	not i2's.  Start the search for the new use from i3 rather than
	from the definition instruction.  Likewise start the search for
	the new use from i2 when distributing i2's links.

2025-04-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR testsuite/116398
	* combine.cc (try_combine): Shortcut the split_i2i3 handling if
	i2 is unchanged.

2025-04-07  Richard Sandiford  <richard.sandiford@arm.com>
	    Richard Biener  <rguenther@suse.de>

	PR testsuite/116398
	* combine.cc (try_combine): Reallow 2->2 combinations.  Detect when
	only i3 has changed and restart from i3 in that case.

2025-04-07  Richard Sandiford  <richard.sandiford@arm.com>

	* simplify-rtx.cc (simplify_const_relational_operation): Generalize
	the constant checks in the fold-via-minus path to match the
	INTEGRAL_MODE_P condition.

2025-04-06  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi (Boolean Type): Further clarify support for
	_Bool in C23 and C++.

2025-04-06  Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/78874
	* doc/invoke.texi (Warning Options): Fix description of
	-Wno-aggressive-loop-optimizations to reflect that this turns
	off the warning, and the default is for it to be enabled.

2025-04-06  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/81831
	* doc/invoke.texi (Option Summary): Add -Wno-psabi.
	(Warning Options): Document -Wpsabi separately from -Wabi.
	Note it's enabled by default, not just implied by -Wabi.
	Replace the detailed example for a GCC 4.4 change for x86
	(which is unlikely to be very interesting nowadays) with
	just a list of all targets that presently diagnose these
	warnings.
	(RS/6000 and PowerPC Options): Add cross-references for
	-Wno-psabi.

2025-04-05  Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/112589
	* common.opt (-fcf-protection): Add documentation string.
	* doc/invoke.texi (Option Summary): Add entry for -fcf-protection
	without argument.
	(Instrumentation Options): Tidy the -fcf-protection entry and
	and add documention for the form without an argument.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR lto/119625
	* lto-opts.cc (lto_write_options): If neither flag_pic nor
	flag_pie are set, check first for flag_pie and only later
	for flag_pic rather than the other way around, use a temporary
	variable.  If flag_cf_protection is not set, don't append anything
	if flag_cf_protection is none of CF_{NONE,FULL,BRANCH,RETURN} and
	use a temporary variable.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/119618
	* profile.cc (branch_prob): Only check for musttail calls if
	cfun->has_musttail.  Use gsi_last_nondebug_bb instead of gsi_last_bb.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119616
	* tree-tailcall.cc (suitable_for_tail_call_opt_p): Move checking
	for addressable parameters from here ...
	(find_tail_calls): ... here.  If cfun->has_musttail, don't clear
	opt_tailcalls for it, instead set a local flag and punt if we can't
	tail recurse optimize it.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/119613
	* cfgrtl.cc (purge_dead_edges): Remove REG_EH_REGION notes from
	tail calls.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/115910
	* rtlanal.cc (pattern_cost): Return at least COSTS_N_INSNS (1)
	rather than just COSTS_N_INTNS (1) for cost <= 0.
	* config/i386/i386.cc (ix86_rtx_costs): Set *total to 1 for
	TARGET_64BIT x86_64_zext_immediate_operand constants.

2025-04-04  Andrew Pinski  <quic_apinski@quicinc.com>

	PR ipa/119599
	* tree-cfg.cc (pass_warn_function_return::execute): Turn return statements always
	into __builtin_unreachable calls.

2025-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119614
	* tree-tailcall.cc (find_tail_calls): Handle also pointer types in the
	IPA-VRP workaround.

2025-04-03  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/119573
	* config/nvptx/nvptx.cc (nvptx_encode_section_info): Don't set
	'DATA_AREA_CONST' for 'TREE_CONSTANT', or 'TREE_READONLY'.
	(nvptx_asm_declare_constant_name): Use '.global' instead of
	'.const'.

2025-04-03  Peter Bergner  <bergner@linux.ibm.com>

	PR target/119308
	* config/rs6000/rs6000-logue.cc (rs6000_output_function_epilogue):
	Handle GCC COBOL for the tbtab lang field.

2025-04-03  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi (Statement Attributes): Copy-edit the musttail
	attribute documentation and correct the comment in the last
	example.

2025-04-03  Jan Hubicka  <hubicka@ucw.cz>

	* config/i386/x86-tune-costs.h (ix86_size_cost): Fix sizes of move
	instructions

2025-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR cobol/119242
	* fold-const.h (native_encode_wide_int): Declare.
	* fold-const.cc (native_encode_wide_int): New function.
	(native_encode_int): Use it.

2025-04-03  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/genopts/gen-evolution.awk: Avoid using gensub
	that FreeBSD awk lacks.

2025-04-03  Hongyu Wang  <hongyu.wang@intel.com>

	PR target/119539
	* config/i386/i386.md (*<insn><mode>3_mask): Emit NF variant of
	rotate when APX_NF enabled, and use force_lowpart_subreg.
	(*<insn><mode>3_mask_1): Likewise.

2025-04-03  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/101440
	* doc/extend.texi (Common Function Attributes): Clean up some
	confusing language in the description of the "access" attribute.

2025-04-02  Sandra Loosemore  <sloosemore@baylibre.com>
	    GUO Yixuan  <culu.gyx@gmail.com>

	PR driver/58973
	* common.opt (Werror, Werror=): Use less awkward wording in
	description.
	(pedantic-errors): Likewise.
	* doc/invoke.texi (Warning Options): Likewise for -Werror and
	-Werror= here.

2025-04-02  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/119572
	* config/riscv/autovec.md: Mask broadcast value.

2025-04-02  Jin Ma  <jinma@linux.alibaba.com>

	* config/riscv/bitmanip.md: The optimization can only be applied if
	the high bit of operands[3] is set to 1.

2025-04-02  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/114957
	PR c/78008
	PR c++/60972
	* doc/extend.texi (Structure-Layout Pragmas):  Add @cindex
	entries	and reformat the pragma descriptions to match the markup
	used for other pragmas.  Document what #pragma pack(0) does.
	Add cross-references to similar attributes.

2025-04-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119491
	* tree-tailcall.cc (single_non_eh_succ_edge): New function.
	(independent_of_stmt_p): Use single_non_eh_succ_edge (bb)->dest
	instead of single_succ (bb).
	(empty_eh_cleanup): New function.
	(find_tail_calls): Diagnose throwing of exceptions which do not
	propagate only if there are no EDGE_EH successor edges.  If there are
	and the call is musttail, use empty_eh_cleanup to find if the cleanup
	is not empty.  If not or the call is not musttail, use different
	diagnostics.  Set is_noreturn even if there are successor edges.  Use
	single_non_eh_succ_edge (abb) instead of single_succ_edge (abb).  Punt
	on internal noreturn calls.
	(decrease_profile): Don't assert 0 or 1 successor edges.
	(eliminate_tail_call): Use
	single_non_eh_succ_edge (gsi_bb (t->call_gsi)) instead of
	single_succ_edge (gsi_bb (t->call_gsi)).
	(tree_optimize_tail_calls_1): Also look into basic blocks with
	single succ edge which is EDGE_EH for noreturn musttail calls.

2025-04-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119586
	* tree-vect-stmts.cc (vectorizable_load): Assume we got
	alignment analysis for VMAT_STRIDED_SLP wrong.
	(vectorizable_store): Likewise.

2025-04-02  Jakub Jelinek  <jakub@redhat.com>

	* doc/extend.texi (musttail statement attribute): Hint how
	to avoid -Wmaybe-musttail-local-addr warnings.

2025-04-02  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119376
	* common.opt (Wmusttail-local-addr, Wmaybe-musttail-local-addr): New.
	* tree-tailcall.cc (suitable_for_tail_call_opt_p): Don't fail for
	TREE_ADDRESSABLE PARM_DECLs for musttail calls if diag_musttail.
	Emit -Wmusttail-local-addr warnings.
	(maybe_error_musttail): Use gimple_location instead of directly
	accessing location member.
	(find_tail_calls): For musttail calls if diag_musttail, don't fail
	if address of local could escape to the call, instead emit
	-Wmaybe-musttail-local-addr warnings.  Emit
	-Wmaybe-musttail-local-addr warnings also for address taken
	parameters.
	* common.opt.urls: Regenerate.
	* doc/extend.texi (musttail statement attribute): Clarify local
	variables without non-trivial destruction are considered out of scope
	before the tail call instruction.
	* doc/invoke.texi (-Wno-musttail-local-addr,
	-Wmaybe-musttail-local-addr): Document.

2025-04-02  Andi Kleen  <ak@gcc.gnu.org>

	PR middle-end/119482
	* bitmap.cc (bitmap_set_bit): Write back value unconditionally

2025-04-02  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c++/118982
	* doc/extend.texi (Common Function Attributes): For the
	constructor/destructory attribute, be more explicit about the
	relationship between the constructor attribute and
	the C++ init_priority attribute, and add a cross-reference.
	Also document that most targets support this.
	(C++ Attributes): Similarly for the init_priority attribute.

2025-04-01  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/118118
	* doc/extend.texi (Boolean Type): New section.

2025-04-01  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/117689
	* doc/extend.texi (Incomplete Enums): Rename to....
	(Enum Extensions): This.  Document support for specifying the
	underlying type of an enum as an extension in all earlier C
	and C++ standards.  Document that a forward declaration with
	underlying type is not an incomplete type, and which dialects
	GCC supports that in.

2025-04-01  Tom Tromey  <tromey@adacore.com>

	* dwarf2out.cc (modified_type_die): Use mod_scope for
	ranged types, base types, and array types.

2025-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119493
	* tree-tailcall.cc (find_tail_calls): Don't punt on tail recusion
	if some arguments don't have is_gimple_reg_type, only punt if they
	have non-POD types, or volatile, or addressable or (for now) it is
	not a musttail call.  Set tailr_arg_needs_copy in those cases too.
	(eliminate_tail_call): Copy call arguments to params if they don't
	have is_gimple_reg_type, use temporaries if the argument is used
	later.
	(tree_optimize_tail_calls_1): Skip !is_gimple_reg_type
	tailr_arg_needs_copy parameters.  Formatting fix.

2025-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119291
	* combine.cc (try_combine): For splitting of PARALLEL with
	2 independent SETs into i2 and i3 sets check reg_used_between_p
	of the SET_DESTs rather than just modified_between_p.

2025-04-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119534
	* tree-vect-stmts.cc (get_load_store_type): Reject
	VECTOR_BOOLEAN_TYPE_P offset vector type for emulated gathers.

2025-04-01  Martin Uecker  <uecker@tugraz.at>

	PR c/119173
	* doc/invoke.texi (Warning Options): Move to general options.

2025-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/119535
	* profile.cc (branch_prob): Ignore any edges from bbs ending with
	musttail call, rather than only EDGE_FAKE edges from those to EXIT.

2025-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119493
	* tree-tailcall.cc (tree_optimize_tail_calls_1): Ignore tail recursion
	candidates which need accumulators if there is at least one musttail
	non-recursive call.

2025-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/119537
	* gimplify.cc (find_used_user_labels): New function.
	(gimplify_call_expr): Don't remove complex assume expression at -O0
	if it defines any user labels.
	* gimple-low.cc: Include diagnostic-core.h.
	(assume_labels): New variable.
	(diagnose_assume_labels): New function.
	(lower_function_body): Call it via walk_gimple_seq if assume_labels
	is non-NULL, then BITMAP_FREE assume_labels.
	(find_assumption_locals_r): Record in assume_labels uids of user
	labels defined in assume attribute expressions.

2025-04-01  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/119369
	* config/gcn/gcn-protos.h (gcn_asm_weaken_decl): Declare.
	* config/gcn/gcn.cc (gcn_asm_weaken_decl): New.
	* config/gcn/gcn-hsa.h (ASM_WEAKEN_DECL): '#define' to this.

2025-04-01  Richard Biener  <rguenther@suse.de>

	PR target/119549
	* common/config/i386/i386-common.cc (ix86_handle_option):
	Assert that both OPT_msse4 and OPT_mno_sse4 are never unset.
	* config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p):
	Process negated OPT_msse4 as OPT_mno_sse4.

2025-04-01  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119559
	* gimplify.cc (modify_call_for_omp_dispatch): Reorder checks to avoid
	asserts and bogus diagnostic.

2025-04-01  Hu, Lin1  <lin1.hu@intel.com>
	    Hongyu Wang  <hongyu.wang@intel.com>

	PR target/119473
	* config/i386/sse.md
	(vaesdec_<mode>): Set attr "isa" as "avx,vaes_avx512vl", "type" as
	"sselog1", "mode" as "TI".
	(vaesdeclast_<mode>): Ditto.
	(vaesenc_<mode>): Ditto.
	(vaesenclast_<mode>): Ditto.

2025-04-01  Monk Chiang  <monk.chiang@sifive.com>
	    Kito Cheng  <kito.cheng@sifive.com>

	* config/riscv/riscv-v.cc: Add restrict for insert LMUL.
	* config/riscv/riscv-vector-builtins-types.def:
	Use RVV_REQUIRE_ELEN_64 to check LMUL number.
	* config/riscv/riscv-vector-switch.def: Likewise.
	* config/riscv/vector-iterators.md: Check TARGET_VECTOR_ELEN_64
	rather than "TARGET_MIN_VLEN > 32" for all iterator.

2025-04-01  Lulu Cheng  <chenglulu@loongson.cn>

	* doc/invoke.texi: Corrected the position of '-mtls-dialect=opt'
	option.

2025-03-31  Jørgen Kvalsvik  <j@lambda.is>

	PR gcov-profile/119553
	* path-coverage.cc (find_paths): Return path count, don't
	write to gcno, and rename to ...
	(instrument_prime_paths): ... this.
	* profile.cc (branch_prob): Write path counts to gcno.

2025-03-31  Marek Polacek  <polacek@redhat.com>

	PR c++/116960
	PR c++/119303
	* diagnostic.cc (diagnostic_context::report_diagnostic): Check for
	non-zero m_lock later, after checking diagnostic_enabled.

2025-03-31  Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>

	* config/aarch64/aarch64-option-extensions.def (SME): Remove SVE2 as
	prerequisite and add in FCMA and F16FML.
	* config/aarch64/aarch64.cc (aarch64_override_options_internal):
	Diagnose use of SME without SVE2 and implicitly enable SVE2 when
	enabling SME after streaming mode diagnosis.
	* doc/invoke.texi (sme): Document that this can only be used with the
	sve2 extension.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119532
	* tree-tailcall.cc (process_assignment): FAIL for fixed-point
	typed functions.

2025-03-31  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119541
	* gimplify.cc (modify_call_for_omp_dispatch): Limit interop claues
	processing by the number of append_args arguments.

2025-03-31  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR middle-end/119442
	* expr.cc (store_constructor): Also allow element modes explicitly
	accepted by target vec_duplicate pattern.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/sse.md (*vmov<mode>_constm1_pternlog_false_dep):
	Add mode attribute.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_mov_fp_load,
	znver5_sse_mov_fp_load): Also match ssemov2.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_log_evex_store,
	znver5_sse_log_evex_store): New reservations.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_icvt): Use sseicvt.
	(znver4_sse_icvt_store): Likewise.
	(znver5_sse_icvt_store): Likewise.
	(znver4_sse_icvt2): New.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_div_pd,
	znver4_sse_div_pd_load, znver5_sse_div_pd_load): Handle DFmode.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_cmp_avx128,
	znver5_sse_cmp_avx128): Handle TImode.
	(znver4_sse_cmp_avx256, znver5_sse_cmp_avx256): Handle OImode.
	(znver4_sse_cmp_avx512, znver5_sse_cmp_avx512): Handle XImode.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_test): Drop test of
	prefix_extra attribute.

2025-03-31  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_log1): Rename to
	znver4_sse_log1_store.
	(znver5_sse_log1): Rename to znver5_sse_log1_store.
	(znver4_sse_log1): New memory-less variant.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi (New/Delete Builtins): Cleanup up the text and
	explicitly list the builtins being documented.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Numeric Builtins): Move Integer Overflow Builtins
	section here, as a subsection.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Atomic Memory Access): New section.
	(__sync Builtins): Make it a subsection of the above.
	(Atomic Memory Access): Likewise.
	(x86 specific memory model extensions for transactional memory):
	Delete this section, incorporating the text into the discussion
	of __atomic builtins.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Built-in Functions): Incorporate some text
	formerly in "Other Builtins" into the introduction.  Adjust
	menu for new sections.
	(Library Builtins): New section, split from "Other Builtins".
	(Numeric Builtins): Likewise.
	(Stack Allocation): Likewise.
	(Constructing Calls): Move __builtin_call_with_static_chain here.
	(Object Size Checking): Minor copy-editing.
	(Other Builtins): Move text to new sections listed above.  Delete
	duplicate docs for object-size checking builtins.
	* doc/invoke.texi (C dialect options): Update @xref for -fno-builtin.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (C Extensions): Move menu items for
	builtin-related sections to...
	(Built-in Functions): New chapter.
	* doc/gcc.texi (Introduction): Add menu entry for new chapter.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Attributes): New section.
	(Function Attributes): Make it a subsection of the new section.
	(Variable Attributes): Likewise.
	(Type Attributes): Likewise.
	(Label Attributes): Likewise.
	(Enumerator Attributes): Likewise.
	(Attribute Syntax): Likewise.

2025-03-30  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Function Attributes): Merge text from "Target
	Format Checks" into the main discussion of the format and
	format_arg attributes.
	(Target Format Checks): Delete section.

2025-03-30  Maciej W. Rozycki  <macro@orcam.me.uk>

	PR target/117759
	* config/alpha/alpha-protos.h
	(alpha_expand_unaligned_store_safe_partial): New prototype.
	* config/alpha/alpha.cc (alpha_expand_movmisalign)
	(alpha_expand_block_move, alpha_expand_block_clear): Handle
	TARGET_SAFE_PARTIAL.
	(alpha_expand_unaligned_store_safe_partial)
	(alpha_expand_unaligned_store_words_safe_partial)
	(alpha_expand_clear_safe_partial_nobwx): New functions.
	* config/alpha/alpha.md (insvmisaligndi): Handle
	TARGET_SAFE_PARTIAL.
	* config/alpha/alpha.opt (msafe-partial): New option.
	* config/alpha/alpha.opt.urls: Regenerate.
	* doc/invoke.texi (Option Summary, DEC Alpha Options): Document
	the new option.

2025-03-30  Maciej W. Rozycki  <macro@orcam.me.uk>

	PR target/117759
	* config/alpha/alpha-modes.def (OI): New integer mode.
	* config/alpha/alpha-protos.h (alpha_expand_mov_safe_bwa): New
	prototype.
	* config/alpha/alpha.cc (alpha_expand_mov_safe_bwa): New
	function.
	(alpha_secondary_reload): Handle TARGET_SAFE_BWA.
	* config/alpha/alpha.md (aligned_store_safe_bwa)
	(unaligned_store<mode>_safe_bwa, reload_out<mode>_safe_bwa)
	(reload_out<mode>_unaligned_safe_bwa): New expanders.
	(mov<mode>, movcqi, reload_out<mode>_aligned): Handle
	TARGET_SAFE_BWA.
	(reload_out<mode>): Guard against TARGET_SAFE_BWA.
	* config/alpha/alpha.opt (msafe-bwa): New option.
	* config/alpha/alpha.opt.urls: Regenerate.
	* doc/invoke.texi (Option Summary, DEC Alpha Options): Document
	the new option.

2025-03-30  Maciej W. Rozycki  <macro@orcam.me.uk>

	* function.h (struct function): Add
	`split_basic_blocks_after_reload' member.
	* lra.cc (lra): Handle it.
	* reload1.cc (reload): Likewise.

2025-03-30  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha-protos.h (alpha_emit_unlikely_jump): New
	prototype.
	* config/alpha/alpha.cc (emit_unlikely_jump): Rename to...
	(alpha_emit_unlikely_jump): ... this.  Return the insn emitted.
	(alpha_split_atomic_op, alpha_split_compare_and_swap)
	(alpha_split_compare_and_swap_12, alpha_split_atomic_exchange)
	(alpha_split_atomic_exchange_12): Update call sites accordingly.

2025-03-30  LIU Hao  <lh_mouse@126.com>

	* config/mingw/winnt.cc (mingw_pe_file_end): Add `.p2align`.

2025-03-29  Iain Sandoe  <iain@sandoe.co.uk>

	PR cobol/119283
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Check for host memrchr.

2025-03-29  Lulu Cheng  <chenglulu@loongson.cn>

	* doc/invoke.texi: Modify the description of '-mld-seq-sa'.

2025-03-29  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/loongarch-def.cc
	(la464_align): Add settings for labels.
	(la664_align): Likewise.
	* config/loongarch/loongarch-opts.cc
	(loongarch_target_option_override): Likewise.
	* config/loongarch/loongarch-tune.h
	(struct loongarch_align): Implement the function `label_`.

2025-03-28  Jakub Jelinek  <jakub@redhat.com>

	* common.opt.urls: Regenerate.

2025-03-28  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (gcc.srcextra): Use sed to turn .../gcc/gengtype-lex.l
	in #line directives into just gengtype-lex.l.

2025-03-28  Andrew MacLeod  <amacleod@redhat.com>

	* range-op.cc (operator_mult::op1_range): If the LHS does not
	contain zero, return non-zero.

2025-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119483
	* tree-tailcall.cc (find_tail_calls): Handle noreturn musttail
	calls.
	(eliminate_tail_call): Likewise.
	(tree_optimize_tail_calls_1): If cfun->has_musttail and
	diag_musttail, handle also basic blocks with no successors
	with noreturn musttail calls.
	* calls.cc (can_implement_as_sibling_call_p): Allow ECF_NORETURN
	calls if they are musttail calls.

2025-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119484
	* ipa-sra.cc (isra_analyze_call): Don't set m_return_ignored if
	gimple_call_must_tail_p even if it doesn't have lhs.

2025-03-28  Richard Biener  <rguenther@suse.de>

	* fold-const.h (native_encode_real): Export.
	* fold-const.cc (native_encode_real): Change API to take
	mode and REAL_VALUE_TYPE.
	(native_encode_expr): Adjust.

2025-03-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.cc (ix86_redzone_clobber): Use integer, not rtx
	as the third argument of plus_constant.

2025-03-27  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_insn_both, znver5_insn_both):
	New reservation for ALU ops with load and store.

2025-03-27  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_add, znver4_sse_add_load,
	znver5_sse_add_load, znver4_sse_add1, znver4_sse_add1_load,
	znver5_sse_add1_load, znver4_sse_mul, znver4_sse_mul_load,
	znver5_sse_mul_load, znver4_sse_cvt, znver4_sse_cvt_load,
	znver5_sse_cvt_load, znver4_sse_shuf, znver5_sse_shuf,
	znver4_sse_shuf_load, znver5_sse_shuf_load,
	znver4_sse_cmp_avx128, znver5_sse_cmp_avx128,
	znver4_sse_cmp_avx128_load, znver5_sse_cmp_avx128_load):
	Also handle DFmode.
	(znver4_sse_muladd_load, znver5_sse_muladd_load): Use
	ssemuladd type.

2025-03-27  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (modify_call_for_omp_dispatch): Remove sorry.

2025-03-27  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/neon.md (<fmaxmin><mode>3): Move pattern from here...
	* config/arm/vec-common.md (<fmaxmin><mode>3): ... to here.  Convert
	to define_expand and disable the pattern when denormal values might
	get truncated to zero.  Iterate on VF to add V4HF and V8HF variants.

2025-03-27  Hu, Lin1  <lin1.hu@intel.com>

	PR target/119425
	* config/i386/sse.md:
	(vec_set<mode>_0): Set the alternative with constraint "jm"'s
	attribute "addr" to "gpr16".
	(<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>):
	Ditto.
	(avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ditto.
	(avx2_pblendd<mode>): Ditto.
	(aesenc): Ditto.
	(aesenclast): Ditto.
	(aesdec): Ditto.
	(aesdeclast): Ditto.
	(vaesdec_<mode>): Ditto.
	(vaesdeclast_<mode>): Ditto.
	(vaesenc_<mode>):: Ditto.
	(vaesenclast_<mode>):: Ditto.
	(aes<aesklvariant>u8): Ditto.
	(*aes<aeswideklvariant>u8): Ditto.

2025-03-27  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/119408
	* config/loongarch/loongarch.cc
	(loongarch_c_mode_for_suffix): New.
	(TARGET_C_MODE_FOR_SUFFIX): Define.

2025-03-26  Jørgen Kvalsvik  <j@lambda.is>

	* builtins.cc (expand_builtin_fork_or_exec): Call
	coverage_instrumentation_p.
	* ipa-inline.cc (can_early_inline_edge_p): Likewise.
	* passes.cc (finish_optimization_passes): Likewise.
	* profile.cc (coverage_instrumentation_p): New function.
	* profile.h (coverage_instrumentation_p): New declaration.
	* tree-profile.cc (tree_profiling): Call
	coverage_instrumentation_p.
	(pass_ipa_tree_profile::gate): Likewise.
	* value-prof.h (coverage_instrumentation_p): New declaration.

2025-03-26  Jørgen Kvalsvik  <j@lambda.is>

	* Makefile.in (OBJS): Add prime-paths.o, path-coverage.o.
	(GTFILES): Add prime-paths.cc, path-coverage.cc
	(GCOV_OBJS): Add graphds.o, prime-paths.o, bitmap.o
	* builtins.cc (expand_builtin_fork_or_exec): Check
	path_coverage_flag.
	* collect2.cc (main): Add -fno-path-coverage to OBSTACK.
	* common.opt: Add new options -fpath-coverage,
	-fpath-coverage-limit, -Wcoverage-too-many-paths
	* doc/gcov.texi: Add --prime-paths, --prime-paths-lines,
	--prime-paths-source documentation.
	* doc/invoke.texi: Add -fpath-coverage, -fpath-coverage-limit,
	-Wcoverage-too-many-paths documentation.
	* gcc.cc: Link gcov on -fpath-coverage.
	* gcov-counter.def (GCOV_COUNTER_PATHS): New.
	* gcov-io.h (GCOV_TAG_PATHS): New.
	(GCOV_TAG_PATHS_LENGTH): New.
	(GCOV_TAG_PATHS_NUM): New.
	* gcov.cc (class path_info): New.
	(struct coverage_info): Add paths, paths_covered.
	(find_prime_paths): New.
	(add_path_counts): New.
	(find_arc): New.
	(print_usage): Add -e, --prime-paths, --prime-paths-lines,
	--prime-paths-source.
	(process_args): Likewise.
	(json_set_prime_path_coverage): New.
	(output_json_intermediate_file): Call
	json_set_prime_path_coverage.
	(process_all_functions): Call find_prime_paths.
	(generate_results): Call add_path_counts.
	(read_graph_file): Read path counters.
	(read_count_file): Likewise.
	(function_summary): Print path counts.
	(file_summary): Likewise.
	(print_source_line): New.
	(print_prime_path_lines): New.
	(print_inlined_separator): New.
	(print_prime_path_source): New.
	(output_path_coverage): New.
	(output_lines): Print path coverage.
	* ipa-inline.cc (can_early_inline_edge_p): Check
	path_coverage_flag.
	* passes.cc (finish_optimization_passes): Likewise.
	* profile.cc (branch_prob): Likewise.
	* selftest-run-tests.cc (selftest::run_tests): Run path coverage
	tests.
	* selftest.h (path_coverage_cc_tests): New declaration.
	* tree-profile.cc (tree_profiling): Check path_coverage_flag.
	(pass_ipa_tree_profile::gate): Likewise.
	* path-coverage.cc: New file.
	* prime-paths.cc: New file.

2025-03-26  Jørgen Kvalsvik  <j@lambda.is>

	* gcov.cc (generate_results): Count branches, conditions.
	(function_summary): Output branch, calls, condition count.

2025-03-26  Thomas Schwinge  <thomas@codesourcery.com>

	PR driver/101544
	* gcc.cc (driver_handle_option): Forward host '-lstdc++' to
	offloading compilation.
	* config/gcn/mkoffload.cc (main): Adjust.
	* config/nvptx/mkoffload.cc (main): Likewise.

2025-03-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119417
	* tree-ssa-math-opts.cc (convert_mult_to_widen): Before changing
	typeN because actual_precision/from_unsignedN differs cast rhsN
	to typeN if it has a different type.
	(convert_plusminus_to_widen): Before changing
	typeN because actual_precision/from_unsignedN differs cast mult_rhsN
	to typeN if it has a different type.

2025-03-26  Jakub Jelinek  <jakub@redhat.com>
	    Andi Kleen  <ak@gcc.gnu.org>

	PR gcov-profile/118442
	* profile.cc (branch_prob): Ignore EDGE_FAKE edges from musttail calls
	to EXIT.

2025-03-26  Jakub Jelinek  <jakub@redhat.com>

	PR target/119450
	* config/i386/i386.md (narrow test peephole2): Test for
	offsettable_memref_p in condition.

2025-03-26  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_sse_mov_fp, znver4_sse_mov_fp_load,
	znver5_sse_mov_fp_load, znver4_sse_mov_fp_store,
	znver5_sse_mov_fp_store): Also match V1SF and DF.

2025-03-26  Richard Biener  <rguenther@suse.de>

	PR target/119010
	* config/i386/zn4zn5.md (znver4_imov_double_store,
	znver5_imov_double_store, znver4_imov_store, znver5_imov_store):
	New reservations for integer stores.

2025-03-26  Richard Biener  <rguenther@suse.de>

	PR middle-end/118795
	* match.pd (vec_perm <vec_perm <a, b>> -> vec_perm <a, b>):
	Use the appropriate check to see whether the original
	outer permute was supported.

2025-03-26  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2-512convertintrin.h (_mm512_mask_cvtx2ps_ph): Formatting fixes
	(_mm512_mask_cvtx_round2ps_ph): Ditto
	(_mm512_maskz_cvtx_round2ps_ph): Ditto
	(_mm512_cvtbiassph_bf8): Rename to _mm512_cvts_biasph_bf8.
	(_mm512_mask_cvtbiassph_bf8): Rename to _mm512_mask_cvts_biasph_bf8.
	(_mm512_maskz_cvtbiassph_bf8): Rename to _mm512_maskz_cvts_biasph_bf8.
	(_mm512_cvtbiassph_hf8): Rename to _mm512_cvts_biasph_hf8.
	(_mm512_mask_cvtbiassph_hf8): Rename to _mm512_mask_cvts_biasph_hf8.
	(_mm512_maskz_cvtbiassph_hf8): Rename to _mm512_maskz_cvts_biasph_hf8.
	(_mm512_cvts2ph_bf8): Rename to _mm512_cvts_2ph_bf8.
	(_mm512_mask_cvts2ph_bf8): Rename to _mm512_mask_cvts_2ph_bf8.
	(_mm512_maskz_cvts2ph_bf8): Rename to _mm512_maskz_cvts_2ph_bf8.
	(_mm512_cvts2ph_hf8): Rename to _mm512_cvts_2ph_hf8.
	(_mm512_mask_cvts2ph_hf8): Rename to _mm512_mask_cvts_2ph_hf8.
	(_mm512_maskz_cvts2ph_hf8): Rename to _mm512_maskz_cvts_2ph_hf8.
	(_mm512_cvtsph_bf8): Rename to _mm512_cvts_ph_bf8.
	(_mm512_mask_cvtsph_bf8): Rename to _mm512_mask_cvts_ph_bf8.
	(_mm512_maskz_cvtsph_bf8): Rename to _mm512_maskz_cvts_ph_bf8.
	(_mm512_cvtsph_hf8): Rename to _mm512_cvts_ph_hf8.
	(_mm512_mask_cvtsph_hf8): Rename to _mm512_mask_cvts_ph_hf8.
	(_mm512_maskz_cvtsph_hf8): Rename to _mm512_maskz_cvts_ph_hf8.
	* config/i386/avx10_2convertintrin.h
	(_mm_cvtbiassph_bf8): Rename to _mm_cvts_biasph_bf8.
	(_mm_mask_cvtbiassph_bf8): Rename to _mm_mask_cvts_biasph_bf8.
	(_mm_maskz_cvtbiassph_bf8): Rename to _mm_maskz_cvts_biasph_bf8.
	(_mm256_cvtbiassph_bf8): Rename to _mm256_cvts_biasph_bf8.
	(_mm256_mask_cvtbiassph_bf8): Rename to _mm256_mask_cvts_biasph_bf8.
	(_mm256_maskz_cvtbiassph_bf8): Rename to _mm256_maskz_cvts_biasph_bf8.
	(_mm_cvtbiassph_hf8): Rename to _mm_cvts_biasph_hf8.
	(_mm_mask_cvtbiassph_hf8): Rename to _mm_mask_cvts_biasph_hf8.
	(_mm_maskz_cvtbiassph_hf8): Rename to _mm_maskz_cvts_biasph_hf8.
	(_mm256_cvtbiassph_hf8): Rename to _mm256_cvts_biasph_hf8.
	(_mm256_mask_cvtbiassph_hf8): Rename to _mm256_mask_cvts_biasph_hf8.
	(_mm256_maskz_cvtbiassph_hf8): Rename to _mm256_maskz_cvts_biasph_hf8.
	(_mm_cvts2ph_bf8): Rename to _mm_cvts_2ph_bf8.
	(_mm_mask_cvts2ph_bf8): Rename to _mm_mask_cvts_2ph_bf8.
	(_mm_maskz_cvts2ph_bf8): Rename to _mm_maskz_cvts_2ph_bf8.
	(_mm256_cvts2ph_bf8): Rename to _mm256_cvts_2ph_bf8.
	(_mm256_mask_cvts2ph_bf8): Rename to _mm256_mask_cvts_2ph_bf8.
	(_mm256_maskz_cvts2ph_bf8): Rename to _mm256_maskz_cvts_2ph_bf8.
	(_mm_cvts2ph_hf8): Rename to _mm_cvts_2ph_hf8.
	(_mm_mask_cvts2ph_hf8): Rename to _mm_mask_cvts_2ph_hf8.
	(_mm_maskz_cvts2ph_hf8): Rename to _mm_maskz_cvts_2ph_hf8.
	(_mm256_cvts2ph_hf8): Rename to _mm256_cvts_2ph_hf8.
	(_mm256_mask_cvts2ph_hf8): Rename to _mm256_mask_cvts_2ph_hf8.
	(_mm256_maskz_cvts2ph_hf8): Rename to _mm256_maskz_cvts_2ph_hf8.
	(_mm_cvtsph_bf8): Rename to _mm_cvts_ph_bf8.
	(_mm_mask_cvtsph_bf8): Rename to _mm_mask_cvts_ph_bf8.
	(_mm_maskz_cvtsph_bf8): Rename to _mm_maskz_cvts_ph_bf8.
	(_mm256_cvtsph_bf8): Rename to _mm256_cvts_ph_bf8.
	(_mm256_mask_cvtsph_bf8): Rename to _mm256_mask_cvts_ph_bf8.
	(_mm256_maskz_cvtsph_bf8): Rename to _mm256_maskz_cvts_ph_bf8.
	(_mm_cvtsph_hf8): Rename to _mm_cvts_ph_hf8.
	(_mm_mask_cvtsph_hf8): Rename to _mm_mask_cvts_ph_hf8.
	(_mm_maskz_cvtsph_hf8): Rename to _mm_maskz_cvts_ph_hf8.
	(_mm256_cvtsph_hf8): Rename to _mm256_cvts_ph_hf8.
	(_mm256_mask_cvtsph_hf8): Rename to _mm256_mask_cvts_ph_hf8.
	(_mm256_maskz_cvtsph_hf8): Rename to _mm256_maskz_cvts_ph_hf8.

2025-03-25  Iain Sandoe  <iain@sandoe.co.uk>

	* gcov.cc (get_gcov_intermediate_filename): Use lbasename().

2025-03-25  Iain Sandoe  <iain@sandoe.co.uk>

	PR other/119250
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Match the configure test in libiberty when checking
	the basename decl.

2025-03-25  Sandra Loosemore  <sloosemore@baylibre.com>
	    Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (modify_call_for_omp_dispatch): Adjust arguments.
	Remove the "sorry" for the case where new interop objects must be
	constructed, and add code to make it work instead.
	(expand_variant_call_expr): Adjust arguments and call to
	modify_call_for_omp_dispatch.
	(gimplify_variant_call_expr): Simplify logic for calling
	expand_variant_call_expr.

2025-03-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/96226
	PR target/119428
	* config/i386/i386.md (splitter after *<rotate_insn><mode>3_mask,
	splitter after *<rotate_insn><mode>3_mask_1): Revert 2020-12-05
	changes.

2025-03-25  Vineet Gupta  <vineetg@rivosinc.com>

	PR target/119224
	* config/riscv/autovec.md: Disable abd splitter.

2025-03-25  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/119325
	* doc/install.texi (gcn): Change ROCm > 6.3.2 to >6.3.3 for generic
	support; mention Newlib commit that fixes a SIMD math issue.

2025-03-25  Tobias Burnus  <tburnus@baylibre.com>

	PR middle-end/118627
	* omp-general.cc (omp_parse_access_method): Change to return void.
	(omp_parse_access_methods): Return void; remove 'if' around a
	function call.
	(omp_parse_expr): Remove 'if' around a function call.

2025-03-25  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.md (<US>mull): Add alternatives that allow Rs
	to be tied to either Rdlo or Rdhi.

2025-03-25  Richard Earnshaw  <rearnsha@arm.com>

	PR middle-end/117811
	* optabs.cc (expand_binop_directly): Remove LAST as an argument,
	instead record the last insn on entry.  Only delete insns if
	we need to restart and restart by calling ourself, not expand_binop.
	(expand_binop): Update callers to expand_binop_directly.  If it
	fails to expand the operation, delete back to LAST.

2025-03-25  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119376
	* tree-tailcall.cc (suitable_for_tail_opt_p): Add DIAG_MUSTTAIL
	argument, propagate it down to maybe_error_musttail.
	(suitable_for_tail_call_opt_p): Likewise.
	(maybe_error_musttail): Add DIAG_MUSTTAIL argument.  Don't emit error
	for gimple_call_must_tail_p calls if it is false.
	(find_tail_calls): Add DIAG_MUSTTAIL argument, propagate it down to
	maybe_error_musttail, suitable_for_tail_opt_p,
	suitable_for_tail_call_opt_p and find_tail_calls calls.
	(tree_optimize_tail_calls_1): Add DIAG_MUSTTAIL argument, propagate
	it down to find_tail_calls and if set, clear cfun->has_musttail flag
	at the end.  Rename OPT_MUSTCALL argument to OPT_MUSTTAIL.
	(execute_tail_calls): Pass true to DIAG_MUSTTAIL
	tree_optimize_tail_calls_1 argument.
	(pass_tail_recursion::execute): Pass false to DIAG_MUSTTAIL
	tree_optimize_tail_calls_1 argument.
	(pass_musttail::gate): Don't test flag_optimize_sibling_calls.
	(pass_musttail::execute): Pass true to DIAG_MUSTTAIL
	tree_optimize_tail_calls_1 argument.

2025-03-24  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118616
	* tree-vect-generic.cc (expand_vector_conversion): Add
	an assert that converts vect is non empty if
	supportable_indirect_convert_operation returns true.

2025-03-24  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/101544
	* config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls)
	[ACCEL_COMPILER]: Special-case certain host-setup symbol aliases.
	* varasm.cc (do_assemble_alias) [ACCEL_COMPILER]: Adjust.

2025-03-24  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (default_ptx_version_option): Default at
	least to '-mptx=6.3'.
	* doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/cpuinfo.h
	(get_available_features): Change to FEATURE_AVX10_1.
	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVX10_1_512_SET): Renamed to ...
	(OPTION_MASK_ISA2_AVX10_1_SET): ... this.
	(OPTION_MASK_ISA2_AVX10_2_SET): Use renamed macro.
	(OPTION_MASK_ISA2_AVX10_1_UNSET): Ditto.
	(ix86_handle_option): Ditto.
	(processor_alias_table): Use P_PROC_AVX10_1.
	* common/config/i386/i386-cpuinfo.h
	(enum feature_priority): Rename from AVX10_1_512 to AVX10_1.
	(enum processor_features): Ditto.
	* common/config/i386/i386-isas.h: Add avx10.1.
	* config/i386/driver-i386.cc
	(host_detect_local_cpu): Use renamed enum.
	* config/i386/i386-c.cc
	(ix86_target_macros_internal): Rename to avx10.1.
	* config/i386/i386-isa.def (AVX10_1_512): Rename to ...
	(AVX10_1): ... this.
	* config/i386/i386-options.cc (isa2_opts): Rename to avx10.1.
	(ix86_valid_target_attribute_inner_p): Add avx10.1.
	(ix86_option_override_internal): Rename to AVX10_1.
	Revise warnings to mention behavior change for option
	combination in GCC 16.
	* config/i386/i386.h (PTA_DIAMONDRAPIDS): Use AVX10_1.
	* config/i386/i386.opt: Add avx10.1.
	Add deprecate warnings for mevex512 and mavx10.1-256/512.
	* config/i386/i386.opt.urls: Add avx10.1.
	* doc/extend.texi: Ditto.
	* doc/sourcebuild.texi: Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/cpuinfo.h
	(get_available_features): Revise the logic AVX10 version.
	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVX10_2_256_SET): Removed.
	(OPTION_MASK_ISA2_AVX10_2_512_SET): Ditto.
	(OPTION_MASK_ISA2_AVX10_2_SET): New.
	(OPTION_MASK_ISA2_AMX_AVX512_SET): Use AVX10.2 macro.
	(OPTION_MASK_ISA2_AVX10_2_UNSET): Ditto.
	(ix86_handle_option): Remove avx10.2-256 part. Adjust avx10.2.
	* common/config/i386/i386-cpuinfo.h
	(enum processor_features): Remove FEATURE_AVX10_2_256 and skip
	the value for it. Change the name from FEATURE_AVX10_2_512 to
	FEATURE_AVX10_2.
	* common/config/i386/i386-isas.h: Remove avx10.2-256/512.
	* config/i386/avx10_2-512bf16intrin.h: Use avx10.2 instead of
	avx10.2-256/512.
	* config/i386/avx10_2-512convertintrin.h: Ditto.
	* config/i386/avx10_2-512mediaintrin.h: Ditto.
	* config/i386/avx10_2-512minmaxintrin.h: Ditto.
	* config/i386/avx10_2-512satcvtintrin.h: Ditto.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/avx10_2convertintrin.h: Ditto.
	* config/i386/avx10_2mediaintrin.h: Ditto.
	* config/i386/avx10_2minmaxintrin.h: Ditto.
	* config/i386/avx10_2satcvtintrin.h: Ditto.
	* config/i386/movrsintrin.h: Ditto.
	* config/i386/sm4intrin.h: Ditto.
	* config/i386/cpuid.h (bit_AVX10_256): Removed.
	(bit_AVX10_512): Ditto.
	* config/i386/driver-i386.cc (host_detect_local_cpu): Adjust
	Diamond Rapids and -march=native condition.
	* config/i386/i386-builtin.def (BDESC): Use AVX10.2 macro
	instead of AVX10.2-256/512.
	* config/i386/i386-c.cc (ix86_target_macros_internal): Ditto.
	* config/i386/i386-expand.cc
	(ix86_expand_branch): Use TARGET_AVX10_2 instead of specifying
	vector size.
	(ix86_prepare_fp_compare_args): Ditto.
	(ix86_expand_fp_compare): Ditto.
	(ix86_ssecom_setcc): Ditto.
	(ix86_expand_sse_comi): Ditto.
	(ix86_expand_sse_comi_round): Ditto.
	(ix86_check_builtin_isa_match): Ditto.
	* config/i386/i386.cc (ix86_fp_compare_code_to_integer): Ditto.
	(ix86_get_mask_mode): Ditto.
	* config/i386/i386.h (SSE_FLOAT_MODE_SSEMATH_OR_HFBF_P): Ditto.
	* config/i386/i386.md: Ditto.
	* config/i386/mmx.md: Ditto.
	* config/i386/sse.md: Ditto.
	* config/i386/predicates.md: Ditto.
	* config/i386/i386-isa.def (AVX10_2_256): Removed.
	(AVX10_2_512): Removed.
	(AVX10_2): New.
	* config/i386/i386-options.cc
	(isa2_opts): Remove avx10.2-256/512.
	(ix86_valid_target_attribute_inner_p): Ditto.
	(PTA_DIAMONDRAPIDS): Use PTA_AVX10_2.
	* config/i386/i386.opt: Remove avx10.2-256/512.
	* config/i386/i386.opt.urls: Ditto.
	* doc/extend.texi: Ditto.
	* doc/invoke.texi: Ditto.
	* doc/sourcebuild.texi: Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config.gcc: Add avx10_2roundingintrin.h.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V4DF_FTYPE_V4DF_V4DF_V4DF_UQI_INT, V8SF_FTYPE_V8SF_V8SF_V8SF_UQI_INT,
	V16HF_FTYPE_V16HF_V16HF_V16HF_UHI_INT, UQI_FTYPE_V4DF_V4DF_INT_UQI_INT,
	UHI_FTYPE_V16HF_V16HF_INT_UHI_INT, UQI_FTYPE_V8SF_V8SF_INT_UQI_INT.
	* config/i386/immintrin.h: Include avx10_2roundingintrin.h.
	* config/i386/sse.md: Change subst_attr name due to renaming.
	* config/i386/subst.md:
	(<round_mode512bit_condition>): Add condition check for avx10.2
	rounding control 256bit intrins and renamed to ...
	(<round_mode_condition>): ...this.
	(round_saeonly_mode512bit_condition): Add condition check for
	avx10.2 rounding control 256 bit intris and renamed to ...
	(round_saeonly_mode_condition): ...this.
	* config/i386/avx10_2roundingintrin.h: New file.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: Add new intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V8SF_FTYPE_V8SI_V8SF_UQI_INT, V4SF_FTYPE_V4DF_V4SF_UQI_INT,
	V8HF_FTYPE_V8SI_V8HF_UQI_INT, V8HF_FTYPE_V4DF_V8HF_UQI_INT.
	* config/i386/sse.md:
	(avx512fp16_vcvt<floatsuffix><sseintconvert>2ph_<mode><mask_name><round_name>):
	Add condition check.
	(avx512fp16_vcvtpd2ph_v4df_mask_round): New expand.
	(*avx512fp16_vcvt<castmode>2ph_<mode>_mask): Change name to
	avx512fp16_vcvt<castmode>2ph_<mode>_mask<round_name>_1
	and extend pattern to generate 256bit insns.
	(avx_cvtpd2ps256<mask_name>): Change name to
	avx_cvtpd2ps256<mask_name><round_name> and extend pattern to
	generate 256bit insns.
	* config/i386/subst.md (round_applied): New condition.
	(round_suff): New iterator.
	(round_mode_condition): Add V32HI check for 512bit.
	(round_saeonly_mode_condition): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: Add new intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V4DI_FTYPE_V4DF_V4DI_UQI_INT, V4SI_FTYPE_V4DF_V4SI_UQI_INT.
	* config/i386/sse.md:
	(avx_cvtpd2dq256<mask_name>): Change name to
	avx_cvtpd2dq256<mask_name><round_name> and extend pattern to
	generate 256bit insns.
	(fixuns_notrunc<mode><si2dfmodelower>2<mask_name><round_name>):
	Add round_mode_condition.
	* config/i386/subst.md (round_pd2udqsuff): New iterator.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V8SF_FTYPE_V8HF_V8SF_UQI_INT, V8SI_FTYPE_V8HF_V8SI_UQI_INT,
	V4DF_FTYPE_V8HF_V4DF_UQI_INT, V4DI_FTYPE_V8HF_V4DI_UQI_INT.
	* config/i386/sse.md:
	(avx512fp16_float_extend_ph<mode>2<mask_name><round_saeonly_name>):
	Add condition check.
	(avx512fp16_vcvtph2<sseintconvertsignprefix><sseintconvert>_<mode>
	<mask_name><round_name>):
	Ditto.
	(avx512fp16_float_extend_ph<mode>2<mask_name>): Extend round saeonly.
	(vcvtph2ps256<mask_name>): Ditto.
	* config/i386/subst.md
	(round_saeonly_applied): New condition.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V16HI_FTYPE_V16HF_V16HI_UHI_INT, V4DF_FTYPE_V4SF_V4DF_UQI_INT
	V8HF_FTYPE_V8SF_V8HF_UQI_INT.
	* config/i386/sse.md
	(avx512fp16_vcvt<castmode>2ph_<mode><mask_name><round_name>):
	Add round condition check.
	* config/i386/subst.md (round_mode_condition): Add V16HI check for
	256bit.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V8SI_FTYPE_V8SF_V8SI_UQI_INT, V4DI_FTYPE_V4SF_V4DI_UQI_INT.
	* config/i386/sse.md
	(<sse2_avx_avx512f>_fix_notrunc<sf2simodelower><mode><mask_name>):
	Extend to round.
	(<mask_codefor><avx512>_fixuns_notrunc<sf2simodelower><mode><mask_name><round_name>):
	Add round condition check.
	* config/i386/subst.md (round_constraint4): New.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V4DF_FTYPE_V4DI_V4DF_UQI_INT, V4SF_FTYPE_V4DI_V4SF_UQI_INT,
	V8HF_FTYPE_V4DI_V8HF_UQI_INT.
	* config/i386/sse.md:
	(avx512fp16_vcvt<floatsuffix>qq2ph_v4di_mask_round): New expand.
	(*avx512fp16_vcvt<floatsuffix><sseintconvert>2ph_<mode>_mask):
	Extend round control and add "_1" suffix.
	(float<floatunssuffix><sseintvecmodelower><mode>2<mask_name><round_name>):
	Add condition check.
	(float<floatunssuffix><sselongvecmodelower><mode>2<mask_name><round_name>):
	Ditto.
	(float<floatunssuffix><mode><ssePSmode2lower>2<mask_name><round_name>):
	Limit suffix output.
	(unspec_fix_truncv4dfv4si2<mask_name>): Extend round control.
	(unspec_fixuns_truncv4dfv4si2<mask_name>): Ditto.
	* config/i386/subst.md (round_qq2pssuff): New iterator.
	(round_saeonly_suff): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md (avx512fp16_fix<fixunssuffix>_trunc<mode>2<mask_name>):
	Extend round control for 256bit.
	(unspec_avx512fp16_fix<vcvtt_uns_suffix>_trunc<mode>2<mask_name>):
	Ditto.
	(avx512fp16_fix<fixunssuffix>_trunc<mode>2<mask_name><round_saeonly_name>):
	Add condition check.
	* config/i386/subst.md
	(round_saeonly_mode_condition): Add V16HI check for 256bit.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md
	(unspec_fix_truncv8sfv8si2<mask_name>): Extend rounding control.
	(<mask_codefor>fixuns_trunc<mode><sseintvecmodelower>2<mask_name>):
	Ditto.
	(<mask_codefor>floatuns<sseintvecmodelower><mode>2<mask_name><round_name>):
	Add condition check.
	(fix<fixunssuffix>_trunc<mode><sselongvecmodelower>2<mask_name><round_saeonly_name>):
	Remove round_saeonly_name.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V16HF_FTYPE_V16HI_V16HF_UHI_INT.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V16HF_FTYPE_V16HF_V16HF_INT, V16HF_FTYPE_V16HF_V16HF_V16HF_INT,
	V16HF_FTYPE_V16HF_V16HF_V16HF_UQI_INT,
	V4DF_FTYPE_V4DF_V4DF_V4DI_INT_UQI_INT,
	V8SF_FTYPE_V8SF_V8SF_V8SI_INT_UQI_INT.
	* config/i386/sse.md:
	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>):
	Add condition check.
	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md:
	(<avx512>_fmadd_<mode>_mask3<round_name>): Add condition check.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md:
	(<avx512>_fmaddsub_<mode>_mask<round_name>): Add condition check.
	(<avx512>_fmaddsub_<mode>_mask3<round_name>): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md:
	(<avx512>_fmsub_<mode>_mask<round_name>): Add condition check.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md:
	(<avx512>_fnmsub_<mode>_mask3<round_name>): Add condition check.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V8SF_FTYPE_V8SF_V8SF_UQI_INT, V4DF_FTYPE_V4DF_V4DF_UQI_INT,
	V16HF_FTYPE_V16HF_V16HF_UHI_INT, V16HF_FTYPE_V16HF_INT_V16HF_UHI_INT,
	V4DF_FTYPE_V4DF_INT_V4DF_UQI_INT, V8SF_FTYPE_V8SF_INT_V8SF_UQI_INT.
	* config/i386/sse.md:
	(<avx512>_getexp<mode><mask_name><round_saeonly_name>):
	Add condition check.
	(<avx512>_getmant<mode><mask_name><round_saeonly_name>):
	Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin):
	Handle V8SF_FTYPE_V8SF_V8SF_INT_V8SF_UQI_INT,
	V4DF_FTYPE_V4DF_V4DF_INT_V4DF_UQI_INT.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/sse.md:
	(<mask_codefor>reducep<mode><mask_name><round_saeonly_name>):
	Add condition check.
	(<avx512>_rndscale<mode><mask_name><round_saeonly_name>): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/sse.md:
	(<avx512>_scalef<mode><mask_name><round_name>): Add condition check.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	Revert:
	2024-08-19  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/avx10_2satcvtintrin.h: Remove rounding intrins.
	Use non-round intrins.
	* config/i386/i386-builtin.def (BDESC): Ditto.

2025-03-24  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/avx10_2convertintrin.h: Remove rounding intrins.
	Use non-round builtins.
	* config/i386/avx10_2minmaxintrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/i386-builtin-types.def: Remove unused type.
	* config/i386/i386-expand.cc
	(ix86_expand_args_builtin): Ditto.
	(ix86_expand_round_builtin): Ditto.

2025-03-23  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Nonlocal Gotos): Group with other built-ins
	sections.
	(Constructing Calls): Likewise.
	(Pragmas): Move earlier in the section, before the built-ins docs.
	(Thread-Local): Likewise.
	(OpenMP): Likewise.
	(OpenACC): Likewise.

2025-03-23  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Syntax Extensions): New section.
	(Statement Exprs): Make it a subsection of the above.
	(Local Labels): Likewise.
	(Labels as Values): Likewise.
	(Nested Functions): Likewise.
	(Typeof): Likewise.
	(Offsetof): Likewise.
	(Alignment): Likewise.
	(Incomplete Enums): Likewise.
	(Variadic Macros): Likewise.
	(Conditionals): Likewise.
	(Case Ranges): Likewise.
	(Mixed Labels and Declarations): Likewise.
	(C++ Comments): Likewise.
	(Escaped Newlines): Likewise.
	(Hex Floats): Likewise.
	(Binary constants): Likewise.
	(Dollar Signs): Likewise.
	(Character Escapes): Likewise.
	(Alternate Keywords): Likewise.
	(Function Names): Likewise.
	(Semantic Extensions): New section.
	(Function Prototypes): Make it a subsection of the above.
	(Pointer Arith): Likewise.
	(Variadic Pointer Args): Likewise.
	(Pointers to Arrays): Likewise.
	(Const and Volatile Functions): Likewise.

2025-03-23  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Aggregate Types): New section.
	(Variable Length): Make it a subsection of the above.
	(Zero Length): Likewise.
	(Empty Structures): Likewise.
	(Flexible Array Members in Unions): Likewise.
	(Flexible Array Members alone in Structures): Likewise.
	(Unnamed Fields): Likewise.
	(Cast to Union): Likewise.
	(Subscripting): Likewise.
	(Initializers): Likewise.
	(Compound Literals): Likewise.
	(Designated Inits): Likewise.

2025-03-23  Sandra Loosemore  <sloosemore@baylibre.com>

	PR other/42270
	* doc/extend.texi (Additional Numeric Types): New section.
	(__int128): Make it a subsection of the above.
	(Long Long): Likewise.
	(Complex): Likewise.
	(Floating Types): Likewise.
	(Half-Precision): Likewise.
	(Decimal Float): Likewise.
	(Fixed-Point): Likewise.

2025-03-23  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-mcus.def: Add AVR32SD20, AVR32SD28, AVR32SD32,
	AVR64SD28, AVR64SD32, AVR64SD48.
	* doc/avr-mmcu.texi: Rebuild.

2025-03-23  Georg-Johann Lay  <avr@gjlay.de>

	* doc/invoke.texi (AVR Optimization Options)
	<-maccumulate-args>: Refer to -fdefer-pop.
	<-muse-nonzero-bits>: Re-formulate what the option does.

2025-03-22  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.cc (avr_option_override): Use
	"avr-peep2-after-fuse-move" as dump name instead of "peephole2".

2025-03-22  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.opt.urls: Add -muse-nonzero-bits.

2025-03-22  Georg-Johann Lay  <avr@gjlay.de>

	PR target/119421
	* config/avr/avr.opt (-muse-nonzero-bits): New option.
	* config/avr/avr-protos.h (avr_nonzero_bits_lsr_operands_p): New.
	(make_avr_pass_split_nzb): New.
	* config/avr/avr.cc (avr_nonzero_bits_lsr_operands_p): New function.
	(avr_rtx_costs_1): Return costs for the new insns.
	* config/avr/avr.md (nzb): New insn attribute.
	(*nzb=1.<code>...): New insns to better support some bit
	operations for <code> in AND, IOR, XOR.
	* config/avr/avr-passes.def (avr_pass_split_nzb): Insert pass
	atfer combine.
	* config/avr/avr-passes.cc (avr_pass_data_split_nzb). New pass data.
	(avr_pass_split_nzb): New pass.
	(make_avr_pass_split_nzb): New function.
	* common/config/avr/avr-common.cc (avr_option_optimization_table):
	Enable -muse-nonzero-bits for -O2 and higher.
	* doc/invoke.texi (AVR Options): Document -muse-nonzero-bits.

2025-03-22  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.cc (avr_attrs_section_name): New function.
	(avr_insert_attributes): Add "used" attribute to functions
	in .initN and .finiN.

2025-03-22  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.h (DL_LIBRARY): New.

2025-03-22  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.cc (warn_switch_unreachable_and_auto_init_r): Add missing
	space in the middle of diagnostics.
	* tree-vect-stmts.cc (vectorizable_load): Add missing space in the
	middle of debug dump message.
	* sym-exec/sym-exec-state.cc (state::check_args_compatibility):
	Likewise.

2025-03-21  Surya Kumari Jangala  <jskumari@linux.ibm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/116028
	PR rtl-optimization/118615
	* lra-constraints.cc (first_call_insn): New variable.
	(split_reg): Spill register before first_call_insn if call_save_p
	and the call is in a different bb in the ebb.
	(split_if_necessary): Formatting fix.
	(inherit_in_ebb): Set first_call_insn when handling a CALL_INSN.
	For successful split_if_necessary with before_p, only change
	use_insn if it emitted any new instructions before curr_insn.
	Clear first_call_insn before returning.

2025-03-21  Paul-Antoine Arras  <parras@baylibre.com>
	    Tobias Burnus  <tburnus@baylibre.com>

	* builtin-types.def
	(BT_FN_VOID_INT_INT_PTR_PTR_PTR_INT_PTR_INT_PTR_UINT_PTR): New.
	* gimple-low.cc (lower_stmt): Handle GIMPLE_OMP_INTEROP.
	* gimple-pretty-print.cc (dump_gimple_omp_interop): New function.
	(pp_gimple_stmt_1): Handle GIMPLE_OMP_INTEROP.
	* gimple.cc (gimple_build_omp_interop): New function.
	(gimple_copy): Handle GIMPLE_OMP_INTEROP.
	* gimple.def (GIMPLE_OMP_INTEROP): Define.
	* gimple.h (gimple_build_omp_interop): Declare.
	(gimple_omp_interop_clauses): New function.
	(gimple_omp_interop_clauses_ptr): Likewise.
	(gimple_omp_interop_set_clauses): Likewise.
	(gimple_return_set_retval): Handle GIMPLE_OMP_INTEROP.
	* gimplify.cc (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_INIT,
	OMP_CLAUSE_USE and OMP_CLAUSE_DESTROY.
	(gimplify_omp_interop): New function.
	(gimplify_expr): Replace sorry with call to gimplify_omp_interop.
	* omp-builtins.def (BUILT_IN_GOMP_INTEROP): Define.
	* omp-low.cc (scan_sharing_clauses): Handle OMP_CLAUSE_INIT,
	OMP_CLAUSE_USE and OMP_CLAUSE_DESTROY.
	(scan_omp_1_stmt): Handle GIMPLE_OMP_INTEROP.
	(lower_omp_interop_action_clauses): New function.
	(lower_omp_interop): Likewise.
	(lower_omp_1): Handle GIMPLE_OMP_INTEROP.

2025-03-21  Jason Merrill  <jason@redhat.com>

	PR c++/114992
	* multiple_target.cc (create_dispatcher_calls):
	remove_from_same_comdat_group before add_to_same_comdat_group.

2025-03-21  Dhruv Chawla  <dhruvc@nvidia.com>

	* config/aarch64/aarch64-cores.def (olympus): New entry.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* doc/invoke.texi (AArch64 Options): Document the above.

2025-03-21  Antoni Boucher  <bouanto@zoho.com>

	* config/i386/i386-rust-and-jit.inc: New file.
	* config/i386/i386-rust.cc: Move code to i386-rust-and-jit.inc.

2025-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119376
	* ipa-icf-gimple.cc (func_checker::compare_gimple_call): Return false
	for gimple_call_must_tail_p mismatches.

2025-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119376
	* ipa-split.cc (split_function): Call gimple_call_set_must_tail
	on the call to outlined partition if has_musttail and
	!add_tsan_func_exit.

2025-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/119376
	* tree-inline.cc (remap_gimple_stmt): Silently clear
	gimple_call_must_tail_p on inlined call stmts if id->call_stmt
	is a call without that flag set.

2025-03-21  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/119235
	* config/s390/s390.cc (s390_hard_regno_mode_ok): Accept only
	Pmode for registers AP/FP/RA.

2025-03-21  Richard Biener  <rguenther@suse.de>

	* cgraphunit.cc (symbol_table::finalize_compilation_unit):
	Put early debug generation under TV_SYMOUT.

2025-03-21  Andrew Pinski  <quic_apinski@quicinc.com>

	PR rtl-optimization/118914
	* combine.cc (recog_for_combine): Add old_nregs and new_nregs
	argument (defaulting to 0). Update call to recog_for_combine_1.
	(combine_split_insns): Add old_nregs and new_nregs arguments,
	store the old and new max registers to them.
	(try_combine): Update calls to combine_split_insns and
	pass old_nregs and new_nregs for the i3 call to recog_for_combine.
	(find_split_point): Update call to combine_split_insns; ignoring
	the values there.
	(recog_for_combine_1): Add old_nregs and new_nregs arguments,
	if the insn was recognized (and not to no-op move), add the
	REG_DEAD notes to pnotes argument.

2025-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119389
	* tree-ssa-sccvn.cc (dominated_by_p_w_unex): Limit the number
	of predecessors of a CFG merge we try to skip.

2025-03-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	Revert:
	2025-03-11  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config.gcc: Fail in case of option --with-mode=esa.
	* config/s390/s390.cc (s390_option_override_internal): Default
	to z/Architecture mode.
	* config/s390/s390.h (DRIVER_SELF_SPECS): Ditto.
	* config/s390/s390.opt: Emit a warning for option -mesa.
	* doc/invoke.texi: Document the change.

2025-03-20  Filip Kastl  <fkastl@suse.cz>

	* gimple-ssa-sccopy.cc (scc_copy_prop::propagate): Don't
	increment after vec::unordered_remove().

2025-03-20  Richard Biener  <rguenther@suse.de>

	* tree-core.h (function_decl_type): Make a scoped enum.
	* tree.h (set_function_decl_type): Adjust.
	(DECL_IS_OPERATOR_NEW_P): Likewise.
	(DECL_SET_IS_OPERATOR_NEW): Likewise.
	(DECL_IS_OPERATOR_DELETE_P): Likewise.
	(DECL_SET_IS_OPERATOR_DELETE): Likewise.
	(DECL_LAMBDA_FUNCTION_P): Likewise.
	(DECL_SET_LAMBDA_FUNCTION): Likewise.
	* lto-streamer-out.cc (hash_tree): Hash all of
	FUNCTION_DECL_DECL_TYPE.
	* tree-streamer-out.cc (pack_ts_function_decl_value_fields):
	Adjust.
	* config/aarch64/aarch64-simd-pragma-builtins.def (vcombine_mf8):
	Use literal zero instead of NONE.

2025-03-20  liuhongt  <hongtao.liu@intel.com>

	PR target/117452
	* config/i386/i386.md (cbranchbf4): Use
	ix86_fp_comparison_operator instead of comparison_operator.

2025-03-20  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2-512satcvtintrin.h: Add "s_" before
	intrinsics' core name.
	* config/i386/avx10_2satcvtintrin.h: Ditto.

2025-03-20  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2-512satcvtintrin.h: Add new intrinsics.
	* config/i386/avx10_2satcvtintrin.h: Ditto.
	* config/i386/i386-builtin-types.def:
	Add DEF_FUNCTION_TYPE (V32HI, V32HF, V32HI, USI),
	(V16SI, V16SF, V16SI, UHI), (V8DI, V8SF, V8DI, UQI),
	(V8DI, V8DF, V8DI, UQI), (V8SI, V8DF, V8SI, UQI).
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-expand.cc: Handle V16SI_FTYPE_V16SF_V16SI_UHI,
	V32HI_FTYPE_V32HF_V32HI_USI, V8DI_FTYPE_V8SF_V8DI_UQI,
	V8DI_FTYPE_V8DF_V8DI_UQI, V8SI_FTYPE_V8DF_V8SI_UQI.

2025-03-20  Hu, Lin1  <lin1.hu@intel.com>

	* config/i386/avx10_2-512satcvtintrin.h: Change *i[u]bs's type suffix
	of intrin name.
	* config/i386/avx10_2satcvtintrin.h: Ditto.

2025-03-19  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/119270
	* ira-costs.cc (calculate_equiv_gains): Ignore equiv init insns
	only for invariants.

2025-03-19  David Malcolm  <dmalcolm@redhat.com>

	PR c/119366
	* diagnostic-format-sarif.cc (test_message_with_embedded_link):
	Convert diagnostic_context from one urlifier to a stack of
	urlifiers, where each node in the stack tracks whether the
	urlifier is owned or borrowed.
	* diagnostic.cc (diagnostic_context::initialize): Likewise.
	(diagnostic_context::finish): Likewise.
	(diagnostic_context::set_urlifier): Delete.
	(diagnostic_context::push_owned_urlifier): New.
	(diagnostic_context::push_borrowed_urlifier): New.
	(diagnostic_context::pop_urlifier): New.
	(diagnostic_context::get_urlifier): Reimplement in terms of stack.
	(diagnostic_context::override_urlifier): Delete.
	* diagnostic.h (diagnostic_context::set_urlifier): Delete decl.
	(diagnostic_context::override_urlifier): Delete decl.
	(diagnostic_context::push_owned_urlifier): New decl.
	(diagnostic_context::push_borrowed_urlifier): New decl.
	(diagnostic_context::pop_urlifier): New decl.
	(diagnostic_context::get_urlifier): Make return value const; hide
	implementation.
	(diagnostic_context::m_urlifier): Replace with...
	(diagnostic_context::urlifier_stack_node): ... this and...
	(diagnostic_context::m_urlifier_stack): ...this.
	* gcc-urlifier.cc
	(auto_override_urlifier::auto_override_urlifier): Reimplement.
	(auto_override_urlifier::~auto_override_urlifier): Reimplement.
	* gcc-urlifier.h (class auto_override_urlifier): Reimplement.
	(auto_urlify_attributes::auto_urlify_attributes): Update for
	pass-by-reference.
	* gcc.cc (driver::global_initializations): Update for
	reimplementation of urlifiers in terms of a stack.
	* toplev.cc (general_init): Likewise.

2025-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/119357
	* config/i386/sse.md (pmovmskb 0xffff to ptest splitter,
	*pmovsk_ptest_<mode>_avx512): Force operands[0] into a REG.

2025-03-19  Kyrylo Tkachov  <ktkachov@nvidia.com>

	* config/aarch64/aarch64-arches.def (...): Add SVE2p1.
	* doc/invoke.texi (AArch64 Options): Document +sve2p1 in
	-march=armv9.4-a.

2025-03-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.h (ADDITIONAL_REGISTER_NAMES): Add
	fa0-fa7, ft0-ft16, and fs0-fs7.

2025-03-18  Georg-Johann Lay  <avr@gjlay.de>

	PR target/119355
	* config/avr/avr-passes.cc (memento_t::apply): Only
	read values[p.arg] when it is actually used.

2025-03-18  Iain Sandoe  <iain@sandoe.co.uk>

	PR cobol/119301
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add check for get_current_dir_name.

2025-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/116545
	* doc/extend.texi (musttail statement attribute): Document
	that musttail GNU attribute can be used as well.

2025-03-18  Michael Matz  <matz@suse.de>

	* config/rs6000/rs6000.opt.urls: Regenerate.

2025-03-18  Jakub Jelinek  <jakub@redhat.com>

	* doc/sourcebuild.texi (dg-output-file): Document.

2025-03-18  Andrew Pinski  <quic_apinski@quicinc.com>

	* gimple-ssa-sccopy.cc (scc_copy_prop::replace_scc_by_value): Dump
	what is being replaced with what.

2025-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119307
	* lra.cc (lra_rtx_hash): Handle SUBREG.

2025-03-18  Richard Biener  <rguenther@suse.de>

	PR debug/101533
	* dwarf2out.cc (gen_type_die_with_usage): When we have
	output the typedef already do nothing for a typedef variant.
	Do not set TREE_ASM_WRITTEN on the type.

2025-03-18  Jeff Law  <jlaw@ventanamicro.com>

	* config/riscv/riscv.md (equality shifted-arith splitter): Do not
	create op AND -1 as it won't be cleaned up post-reload.

2025-03-18  Andrew Pinski  <quic_apinski@quicinc.com>

	* configure: Regenerate.
	* configure.ac: s/gcc_cv_ld64_macosx_version_min/gcc_cv_ld64_macos_version_min/.

2025-03-17  Jeff Law  <jlaw@ventanamicro.com>

	* config/riscv/bitmanip.md (*<or_optab>i<mode>_extrabit): Reject cases
	where we only need to twiddle one bit.  Fix formatting.
	(*andi<mode>extrabit): Likewise.

2025-03-17  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/119285
	* ira-costs.cc (equiv_can_be_consumed_p): Use 2 ways for
	recognizing a valid insn after equiv insertion.

2025-03-17  Michael Matz  <matz@suse.de>

	PR target/112980
	* config/rs6000/rs6000.opt (msplit-patch-nops): New option.
	* doc/invoke.texi (RS/6000 and PowerPC Options): Document it.
	* config/rs6000/rs6000.h (machine_function.stop_patch_area_print):
	New member.
	* config/rs6000/rs6000.cc (rs6000_print_patchable_function_entry):
	Emit split nops under control of that one.
	* config/rs6000/rs6000-logue.cc (rs6000_output_function_prologue):
	Add handling of split patch nops.

2025-03-17  Michal Jires  <mjires@suse.cz>

	* common.opt.urls: Regenerate.

2025-03-17  Michal Jires  <mjires@suse.cz>

	* doc/invoke.texi: (Optimize Options):
	Add incremental LTO flags.

2025-03-17  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/119114
	* config/riscv/autovec.md: Apply & 0x1 mask when initializing
	bitmask vector.

2025-03-17  Ayan Shafqat  <ayan.x.shafqat@gmail.com>

	* config/aarch64/arm_acle.h (__fma, __fmaf): New functions.

2025-03-17  Richard Biener  <rguenther@suse.de>

	* opts.cc (gen_producer_string): Record -D and -U
	with _FORTIFY_SOURCE prefix.

2025-03-16  Jeff Law  <jlaw@ventanamicro.com>

	PR target/116256
	* config/riscv/riscv.md (reassociation splitters): Do not load the
	adjusted addend into a register if it fits in a simm12.

2025-03-16  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/113546
	* tree-cfg.cc (first_non_label_stmt): Rename to ...
	(first_non_label_nondebug_stmt): This and use gsi_start_nondebug_after_labels_bb.
	(assign_discriminators): Update call to first_non_label_nondebug_stmt.

2025-03-16  Iain Sandoe  <iain@sandoe.co.uk>

	Backported from master:
	2025-03-16  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/119172
	* config.in: Regenerate.
	* config/darwin.h (DARWIN_PLATFORM_ID): Add the option to
	use -macos_version_min where available.
	* configure: Regenerate.
	* configure.ac: Check for ld64 support of -macos_version_min.

2025-03-14  Martin Jambor  <mjambor@suse.cz>

	PR ipa/116572
	* cgraph.cc (cgraph_update_edges_for_call_stmt): Do not update
	edges of clones that are unexpanded thunk.  Assert that the node
	passed as the parameter is not an unexpanded thunk.

2025-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119287
	* match.pd (((X >> C1) & C2) * (1 << C1) to X & (C2 << C1)): Use
	(convert @0) instead of @0 in the substitution.

2025-03-14  Thomas Schwinge  <thomas@codesourcery.com>

	PR target/92713
	PR target/101544
	* config/gcn/gcn.h (LIBSTDCXX): Don't set.
	* config/nvptx/nvptx.h (LIBSTDCXX): Likewise.

2025-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119274
	* tree-ssa-sccvn.cc (dominated_by_p_w_unex): Handle the
	top block being the only executable forwarder to a CFG
	merge.

2025-03-14  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vect-slp.cc (vect_build_slp_instance): Pass the new group
	size (i) rather than 1 to vect_slp_prefer_store_lanes_p.
	(vect_analyze_slp): Only force the use of load-lanes and
	store-lanes if that is preferred for at least one load/store pair.

2025-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119155
	* tree-vect-stmts.cc (vectorizable_store): Do not always
	use vector element alignment for VMAT_STRIDED_SLP but
	a more correct alignment towards both ends.
	(vectorizable_load): Likewise.

2025-03-14  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi (Alternate Keywords): Clean up text and remove
	discussion of "restrict", which is not a GNU extension at all.
	* doc/invoke.texi (C Dialect Options): Remove detailed discussion.

2025-03-13  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/119147
	* ipa-inline.cc: Include ipa-modref-tree.h and
	ipa-modref.h.
	(speculation_useful_p): If target is a clone, speculation is usef;
	fix mixup of caller and callee; speculate also calls not considered
	hot; consider modref summary also possibly useful for optimization.
	* ipa-profile.cc (ipa_profile): Keep non-hot speculations.

2025-03-13  Richard Biener  <rguenther@suse.de>

	* tree.h (DECL_NOT_GIMPLE_REG_P): Update description.

2025-03-13  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* common/config/aarch64/cpuinfo.h: Remove FEAT_PREDRES and FEAT_LS64*.
	* config/aarch64/aarch64-option-extensions.def: Remove FMV support
	for PREDRES.

2025-03-13  Richard Sandiford  <richard.sandiford@arm.com>

	* match.pd: Extend pointer alignment folds so that they handle
	the case where a constant is added before or after the alignment.

2025-03-13  Richard Sandiford  <richard.sandiford@arm.com>

	* match.pd: Fold ((X >> C1) & C2) * (1 << C1) to X & (C2 << C1).

2025-03-13  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/119115
	* config/riscv/riscv-vsetvl.cc (reg_used): New function.
	(reg_single_use_in_avl): Ditto.
	(pre_vsetvl::fuse_local_vsetvl_info): Use reg_single_use_in_avl
	when checking if vsetvl can be deleted.

2025-03-13  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/117955
	* config/riscv/riscv-vsetvl.cc: Use LMUL/ratio from vsetvl with
	larger SEW.

2025-03-13  Matthias Klose  <doko@ubuntu.com>

	* configure.ac: Add option --enable-versioned-jit.
	* configure: Regenerate.
	* Makefile.in: Move from jit/Make-lang.in, setting value from
	configure.ac.
	* doc/install.texi: Document option --enable-versioned-jit.

2025-03-13  Xi Ruoyao  <xry111@xry111.site>

	PR target/119238
	* config/loongarch/simd.md (<su>dot_prod<wvec_half><mode>):
	Stop using structured binding.

2025-03-12  Alex Coplan  <alex.coplan@arm.com>

	PR rtl-optimization/116564
	* df-problems.cc (df_simulate_defs): For partial defs, mark the
	register live (treat it as a RMW operation).

2025-03-12  Richard Earnshaw  <rearnsha@arm.com>

	PR target/115439
	* config/arm/predicates.md (vpr_register_operand): Allow type-punning
	subregs.

2025-03-12  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/116901
	* config/aarch64/aarch64.cc (aarch64_vector_costs::count_ops): Allow
	stmt_info to be null.
	(aarch64_vector_costs::add_stmt_cost): Call count_ops even if
	stmt_info is null.

2025-03-12  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/116901
	* tree-vect-loop.cc (vectorizable_reduction): Set ncopies to
	SLP_TREE_NUMBER_OF_VEC_STMTS for SLP.

2025-03-12  Jakub Jelinek  <jakub@redhat.com>

	* tree.def (RAW_DATA_CST): Document meaning of NULL RAW_DATA_OWNER.
	(CONSTRUCTOR): Document meaning of RAW_DATA_CST used as element
	value.

2025-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/119204
	PR middle-end/119219
	* builtins.cc (fold_builtin_2): Pass type as another argument
	to fold_builtin_strspn and fold_builtin_strcspn.
	(fold_builtin_strspn): Add type argument, use it instead of
	size_type_node.
	(fold_builtin_strcspn): Add type argument, use it instead of
	TREE_TYPE (expr).

2025-03-12  Jeff Law  <jlaw@ventanamicro.com>

	Revert:
	2025-03-09  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/117467
	* ext-dce.cc (ext_dce_process_uses): When trivially possible advance
	the iterator over the destination of a SET.

2025-03-11  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/119131
	* config/aarch64/aarch64.cc (aarch64_valid_fp_move): Remove check
	for !DECIMAL_FLOAT_MODE_P.
	(aarch64_float_const_representable_p): Reject decimal floating modes.
	* config/aarch64/aarch64.md (mov<mode>): Likewise.

2025-03-11  Jonathan Wakely  <jwakely@redhat.com>

	* doc/extend.texi (Common Variable Attributes): Fix grammar in
	final sentence of -ftrivial-auto-var-init description.

2025-03-11  Juergen Christ  <jchrist@linux.ibm.com>

	* config/s390/s390.cc (s390_delegitimize_address): Add missing case.

2025-03-11  Martin Jambor  <mjambor@suse.cz>

	* tree-ssa-alias.cc (ao_compare::compare_ao_refs): Fix a
	copy-and-paste error.

2025-03-11  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.cc (gen_compile_unit_die): Use DW_LANG_Cobol85 if
	language_string is "GCC COBOL" rather than "Cobol".

2025-03-11  Richard Biener  <rguenther@suse.de>

	PR middle-end/119204
	* builtins.cc (fold_builtin_strcspn): Preserve the original
	expression type.

2025-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR c/119183
	* tree.cc (skip_simple_arithmetic): If first operand of binary
	expr is TREE_CONSTANT or TREE_READONLY with no side-effects, call
	tree_invariant_p on that operand first instead of on the second.

2025-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/119190
	* tree-complex.cc (update_complex_assignment, tree_lower_complex):
	Perform simple dce on dce_worklist only if optimize.

2025-03-11  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config.gcc: Fail in case of option --with-mode=esa.
	* config/s390/s390.cc (s390_option_override_internal): Default
	to z/Architecture mode.
	* config/s390/s390.h (DRIVER_SELF_SPECS): Ditto.
	* config/s390/s390.opt: Emit a warning for option -mesa.
	* doc/invoke.texi: Document the change.

2025-03-11  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/115835
	* config/s390/s390.cc (s390_insn_cost): Implement.
	(TARGET_INSN_COST): Define.

2025-03-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119166
	* tree-vect-stmts.cc (get_load_store_type): Guard SLP tree
	access.

2025-03-11  James K. Lowden  <jklowden@symas.com>

	* doc/contrib.texi: Update for gcobol.
	* doc/frontends.texi: Likewise.
	* doc/install.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/standards.texi: Likewise.

2025-03-11  James K. Lowden  <jklowden@symas.com>

	* Makefile.in (installdirs): Create man3 directory.
	* common.opt (static-libgcobol): New driver option.
	* dwarf2out.cc (gen_compile_unit_die): Support Cobol as
	source language.

2025-03-10  Richard Sandiford  <richard.sandiford@arm.com>
	    Kugan Vivekanandarajah  <kvivekananda@nvidia.com>

	PR target/115258
	* config/aarch64/aarch64.cc (aarch64_vectorize_vec_perm_const): Use
	d.one_vector_p to decide whether op1 should be a copy of op0.

2025-03-10  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/114991
	* ira-costs.cc (equiv_can_be_consumed_p): Add new argument invariant_p.
	Add code for dealing with the invariant.
	(calculate_equiv_gains): Don't consider init insns.  Pass the new
	argument to equiv_can_be_consumed_p.  Don't treat invariant as
	memory.

2025-03-10  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/invoke.texi (Instrumentation Options): Fix typo introduced
	in commit 313edeeeb607fe32da5633cfb6f91977add446f6.

2025-03-10  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/115439
	* config/arm/mve.md (vec_vcmp, vec_vcmpu, vcond_mask): Use
	vpr_register_operand predicate for MVE_VPRED operands.

2025-03-10  Xi Ruoyao  <xry111@xry111.site>

	PR target/119127
	* config/loongarch/loongarch.cc
	(loongarch_reassoc_shift_bitwise): Sign extend mask to mode,
	specially handle the case it's extended to -1.
	* config/loongarch/loongarch.md
	(loongarch_reassoc_shift_bitwise): Update the comment for the
	special case.

2025-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/117178
	* gimple-ssa-warn-access.cc (maybe_warn_nonstring_arg): Look through
	multi-dimensional array types, stop at the innermost ARRAY_TYPE.

2025-03-09  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/117467
	* ext-dce.cc (ext_dce_process_sets): Handle FP destinations better.

2025-03-09  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/117467
	* ext-dce.cc (ext_dce_process_uses): When trivially possible advance
	the iterator over the destination of a SET.

2025-03-09  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118922
	* tree-ssa-phiopt.cc (value_replacement): Set empty_or_with_defined_p
	to false when there is phi nodes for the middle bb.

2025-03-09  Sandra Loosemore  <sloosemore@baylibre.com>

	PR middle-end/118457
	* gimplify.cc (modify_call_for_omp_dispatch): New, containing
	code split from gimplify_call_expr and modified to emit tree
	instead of gimple.  Remove the error for falling through to a call
	to the base function.
	(expand_variant_call_expr): New, split from gimplify_variant_call_expr.
	Call modify_call_for_omp_dispatch on calls to
	variants in a dispatch construct context.
	(gimplify_variant_call_expr): Make it call expand_variant_call_expr
	to do the actual work.
	(gimplify_call_expr): Remove sorry for calls involving both
	dynamic/late selectors and adjust_args/append_args, and adjust
	for new interface.  Move adjust_args/append_args code to
	modify_call_for_omp_dispatch.
	(gimplify_omp_dispatch): Add some comments.

2025-03-08  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi (Basic Asm): Document that AssemblerInstructions
	can be an asm constexpr.
	(Extended Asm): Move the notes about asm constexprs for
	AssemblerTemplate and Clobbers to the corresponding subsections.
	Remove the notes for OutputOperands and InputOperands and reword
	misleading descriptions of the list item syntax.  Note that
	constraint strings can be asm constexprs.
	(Asm constexprs): Use "title case" for subsection name.  Be
	explicit about what parts of the asm syntax this applies to and
	that the parentheses are required.  Correct markup and terminology.

2025-03-08  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/67301
	* doc/extend.texi (Extended Asm): Clarify that the square brackets
	around the asmSymbolicName of operands are a required part of
	the syntax.

2025-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR c/117178
	* tree.cc (get_attr_nonstring_decl): Look through all ARRAY_REFs, not
	just one and handle COMPONENT_REF and MEM_REF after skipping those
	rather than only when there wasn't ARRAY_REF.  Formatting fix.

2025-03-07  Kees Cook  <kees@kernel.org>
	    Jakub Jelinek  <jakub@redhat.com>

	PR c/117178
	* doc/invoke.texi (Wunterminated-string-initialization): Document
	the new interaction between this warning and -Wc++-compat and that
	initialization of decls with nonstring attribute aren't warned about.

2025-03-07  Sandra Loosemore  <sloosemore@baylibre.com>

	PR sanitizer/56682
	* doc/invoke.texi (Instrumentation Options): Document that -g
	is useful with -fsanitize=thread and -fsanitize=address.
	Also mention -fno-omit-frame-pointer per the asan wiki.

2025-03-07  Richard Sandiford  <richard.sandiford@arm.com>
	    Jan Hubicka  <hubicka@ucw.cz>
	    H.J. Lu  <hjl.tools@gmail.com>

	PR rtl-optimization/117477
	* config/aarch64/aarch64.cc (aarch64_count_saves): New function.
	(aarch64_count_above_hard_fp_saves, aarch64_callee_save_cost)
	(aarch64_frame_allocation_cost): Likewise.
	(TARGET_CALLEE_SAVE_COST): Define.
	(TARGET_FRAME_ALLOCATION_COST): Likewise.
	* config/i386/i386.cc (ix86_ira_callee_saved_register_cost_scale):
	Replace with...
	(ix86_callee_save_cost): ...this new hook.
	(TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST): Define.
	* target.h (spill_cost_type, frame_cost_type): New enums.
	* target.def (callee_save_cost, frame_allocation_cost): New hooks.
	(ira_callee_saved_register_cost_scale): Delete.
	* doc/tm.texi.in (TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST, TARGET_FRAME_ALLOCATION_COST): New hooks.
	* doc/tm.texi: Regenerate.
	* hard-reg-set.h (hard_reg_set_popcount): New function.
	* ira-color.cc (allocated_memory_p): New variable.
	(allocated_callee_save_regs): Likewise.
	(record_allocation): New function.
	(assign_hard_reg): Use targetm.frame_allocation_cost to model
	the cost of the first spill or first caller save.  Use
	targetm.callee_save_cost to model the cost of using new callee-saved
	registers.  Apply the exit rather than entry frequency to the cost
	of restoring a register or deallocating the frame.  Update the
	new variables above.
	(improve_allocation): Use record_allocation.
	(color): Initialize allocated_callee_save_regs.
	(ira_color): Initialize allocated_memory_p.
	* targhooks.h (default_callee_save_cost): Declare.
	(default_frame_allocation_cost): Likewise.
	* targhooks.cc (default_callee_save_cost): New function.
	(default_frame_allocation_cost): Likewise.

2025-03-07  Sandra Loosemore  <sloosemore@baylibre.com>

	PR target/116708
	* doc/invoke.texi (x86 Options): Clarify how -msse4 and -mno-sse4
	interact with other SSE options.

2025-03-07  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118318
	* ipa-cp.cc (adjust_clone_incoming_counts): Add a compatible_p check.

2025-03-07  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm_neon.h: Try harder to detect if we have
	the softfp ABI enabled.

2025-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR c/112960
	PR c/117029
	* doc/extend.texi (Complex): Add I and J suffixes to the list of
	complex suffixes, adjust for all of those being part of ISO C2Y,
	clarify that for -fno-ext-numeric-literals none of those are
	recognized as GNU extensions and for C++14 i is considered UDL
	even for -fext-numeric-literals when <complex> is included.

2025-03-07  Simon Martin  <simon@nasilyan.com>

	* tree-vect-data-refs.cc: Define INCLUDE_ALGORITHM.

2025-03-07  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/118464
	PR tree-optimization/116855
	* doc/invoke.texi (min-pagesize): Update docs with vectorizer use.
	* tree-vect-data-refs.cc (vect_analyze_early_break_dependences): Delay
	checks.
	(vect_compute_data_ref_alignment): Remove alignment checks and move to
	get_load_store_type, increase group access alignment.
	(vect_enhance_data_refs_alignment): Add note to comment needing
	investigating.
	(vect_analyze_data_refs_alignment): Likewise.
	(vect_supportable_dr_alignment): For group loads look at first DR.
	* tree-vect-stmts.cc (get_load_store_type):
	Perform safety checks for early break pfa.
	* tree-vectorizer.h (dr_set_safe_speculative_read_required,
	dr_safe_speculative_read_required, DR_SCALAR_KNOWN_BOUNDS): New.
	(need_peeling_for_alignment): Renamed to...
	(safe_speculative_read_required): .. This
	(class dr_vec_info): Add scalar_access_known_in_bounds.

2025-03-07  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/118464
	PR tree-optimization/116855
	* config/aarch64/aarch64-sve.md (@extract_<last_op>_<mode>,
	@fold_extract_<last_op>_<mode>,
	@aarch64_fold_extract_vector_<last_op>_<mode>): Change SVE_FULL to
	SVE_ALL.
	* config/aarch64/iterators.md (vccore): Add more partial types.

2025-03-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119145
	* tree-vectorizer.cc (try_vectorize_loop_1): Avoid BB
	vectorizing an if-converted loop body when there's a .MASK_CALL
	in the loop body.

2025-03-07  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/115485
	* config/arm/arm.cc (require_pic_register): Fix typos in
	comment. Handle fixed arm_pic_register.

2025-03-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/116125
	* tree-vect-data-refs.cc (vect_prune_runtime_alias_test_list): Make
	the dr_with_seg_len alignment fields describe tha access sizes as
	well as the pointer alignment.
	* tree-data-ref.cc (create_intersect_range_checks): Don't compensate
	for invalid alignment fields here.

2025-03-07  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/119133
	* config/aarch64/aarch64.md
	(*aarch64_bfi<GPI:mode><ALLX:mode>_<SUBDI_BITS>): Use
	force_lowpart_subreg.

2025-03-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/118801
	* tree-ssa-dce.cc (eliminate_unnecessary_stmts): Prune
	sequences of uninterrupted DEBUG BEGIN_STMTs, keeping only
	the last of a set with unique location.

2025-03-07  Sandra Loosemore  <sloosemore@baylibre.com>

	PR c/113515
	* doc/invoke.texi (Warning Options): Improve -Wstringop-overflow
	documentation.

2025-03-07  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/avx10_2-512convertintrin.h
	(_mm512_mask_cvtbf8_ph): Correct mask width.
	(_mm512_maskz_cvtbf8_ph): Ditto.
	* config/i386/avx10_2convertintrin.h
	(_mm256_mask_cvtbf8_ph): Ditto.
	(_mm256_maskz_cvtbf8_ph): Ditto.

2025-03-06  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR rtl-optimization/119099
	* ext-dce.cc (ext_dce_rd_transfer_n): Do not allow the livein
	set to shrink.

2025-03-06  Simon Martin  <simon@nasilyan.com>

	* config/i386/x86-tune-sched.cc (ix86_fuse_mov_alu_p): Fix
	comment typo, paramter -> parameter.
	* config/lm32/lm32.cc (lm32_std_gimplify_va_arg_expr): Likewise.

2025-03-06  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	PR target/118351
	PR other/38768
	* common/config/aarch64/aarch64-common.cc: Enable early scheduling with
	-O3 and higher.
	* doc/invoke.texi (-fschedule-insns): Update comment.

2025-03-06  Richard Sandiford  <richard.sandiford@arm.com>

	Revert:
	2025-03-06  Richard Sandiford  <richard.sandiford@arm.com>
		    Jan Hubicka  <hubicka@ucw.cz>

	PR rtl-optimization/117477
	* config/aarch64/aarch64.cc (aarch64_count_saves): New function.
	(aarch64_count_above_hard_fp_saves, aarch64_callee_save_cost)
	(aarch64_frame_allocation_cost): Likewise.
	(TARGET_CALLEE_SAVE_COST): Define.
	(TARGET_FRAME_ALLOCATION_COST): Likewise.
	* config/i386/i386.cc (ix86_ira_callee_saved_register_cost_scale):
	Replace with...
	(ix86_callee_save_cost): ...this new hook.
	(TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST): Define.
	* target.h (spill_cost_type, frame_cost_type): New enums.
	* target.def (callee_save_cost, frame_allocation_cost): New hooks.
	(ira_callee_saved_register_cost_scale): Delete.
	* doc/tm.texi.in (TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST, TARGET_FRAME_ALLOCATION_COST): New hooks.
	* doc/tm.texi: Regenerate.
	* hard-reg-set.h (hard_reg_set_popcount): New function.
	* ira-color.cc (allocated_memory_p): New variable.
	(allocated_callee_save_regs): Likewise.
	(record_allocation): New function.
	(assign_hard_reg): Use targetm.frame_allocation_cost to model
	the cost of the first spill or first caller save.  Use
	targetm.callee_save_cost to model the cost of using new callee-saved
	registers.  Apply the exit rather than entry frequency to the cost
	of restoring a register or deallocating the frame.  Update the
	new variables above.
	(improve_allocation): Use record_allocation.
	(color): Initialize allocated_callee_save_regs.
	(ira_color): Initialize allocated_memory_p.
	* targhooks.h (default_callee_save_cost): Declare.
	(default_frame_allocation_cost): Likewise.
	* targhooks.cc (default_callee_save_cost): New function.
	(default_frame_allocation_cost): Likewise.

2025-03-06  Richard Biener  <rguenther@suse.de>

	PR lto/114501
	* ipa-free-lang-data.cc (find_decls_types_r): Explicitly
	handle CONSTRUCTORs as walk_tree handling of those is
	incomplete.

2025-03-06  Alex Coplan  <alex.coplan@arm.com>

	PR rtl-optimization/114492
	* pair-fusion.cc (pair_fusion_bb_info::fuse_pair): Check for singleton
	move range before calling restrict_movement.
	(pair_fusion::try_promote_writeback): Likewise.

2025-03-06  Richard Sandiford  <richard.sandiford@arm.com>
	    Jan Hubicka  <hubicka@ucw.cz>

	PR rtl-optimization/117477
	* config/aarch64/aarch64.cc (aarch64_count_saves): New function.
	(aarch64_count_above_hard_fp_saves, aarch64_callee_save_cost)
	(aarch64_frame_allocation_cost): Likewise.
	(TARGET_CALLEE_SAVE_COST): Define.
	(TARGET_FRAME_ALLOCATION_COST): Likewise.
	* config/i386/i386.cc (ix86_ira_callee_saved_register_cost_scale):
	Replace with...
	(ix86_callee_save_cost): ...this new hook.
	(TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST): Define.
	* target.h (spill_cost_type, frame_cost_type): New enums.
	* target.def (callee_save_cost, frame_allocation_cost): New hooks.
	(ira_callee_saved_register_cost_scale): Delete.
	* doc/tm.texi.in (TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Delete.
	(TARGET_CALLEE_SAVE_COST, TARGET_FRAME_ALLOCATION_COST): New hooks.
	* doc/tm.texi: Regenerate.
	* hard-reg-set.h (hard_reg_set_popcount): New function.
	* ira-color.cc (allocated_memory_p): New variable.
	(allocated_callee_save_regs): Likewise.
	(record_allocation): New function.
	(assign_hard_reg): Use targetm.frame_allocation_cost to model
	the cost of the first spill or first caller save.  Use
	targetm.callee_save_cost to model the cost of using new callee-saved
	registers.  Apply the exit rather than entry frequency to the cost
	of restoring a register or deallocating the frame.  Update the
	new variables above.
	(improve_allocation): Use record_allocation.
	(color): Initialize allocated_callee_save_regs.
	(ira_color): Initialize allocated_memory_p.
	* targhooks.h (default_callee_save_cost): Declare.
	(default_frame_allocation_cost): Likewise.
	* targhooks.cc (default_callee_save_cost): New function.
	(default_frame_allocation_cost): Likewise.

2025-03-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/119119
	* gimplify.cc (is_gimple_mem_rhs_or_call): All empty CTORs
	are OK when not a register type.

2025-03-05  Hannes Braun  <hannes@hannesbraun.net>

	PR target/118942
	* config/arm/arm_neon.h (vld1q_s8_x3): Use int8_t instead of
	uint16_t.
	(vld1q_s16_x3): Use int16_t instead of uint16_t.
	(vld1q_s8_x4): Likewise.
	(vld1q_s16_x4): Likewise.

2025-03-05  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR rtl-optimization/119046
	* config/aarch64/aarch64.cc (aarch64_evpc_dup): Use VOIDmode for
	PARALLEL.

2025-03-05  Kyrylo Tkachov  <ktkachov@nvidia.com>

	PR rtl-optimization/119046
	* rtlanal.cc (may_trap_p_1): Don't mark FP-mode PARALLELs as trapping.

2025-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118953
	* value-range.cc (irange::union_bitmask): Update m_bitmask if
	get_bitmask () is unknown_p and m_bitmask is not even when the
	semantic bitmask didn't change and returning false.

2025-03-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/97323
	* tree.cc (gimple_canonical_types_compatible_p): Ignore
	TYPE_MODE also for ARRAY_TYPE.
	(verify_type): Likewise.

2025-03-05  Xi Ruoyao  <xry111@xry111.site>

	PR target/119084
	* config/loongarch/lasx.md (UNSPEC_LASX_XVLDX): Remove.
	(lasx_xvldx): Remove.
	* config/loongarch/lsx.md (UNSPEC_LSX_VLDX): Remove.
	(lsx_vldx): Remove.
	* config/loongarch/simd.md (QIVEC): New define_mode_iterator.
	(<simd_isa>_<x>vldx): New define_expand.
	* config/loongarch/loongarch.cc (loongarch_address_insns_1): New
	static function with most logic factored out from ...
	(loongarch_address_insns): ... here.  Call
	loongarch_address_insns_1 with reg_reg_cost = 1.
	(loongarch_address_cost): Call loongarch_address_insns_1 with
	reg_reg_cost = la_addr_reg_reg_cost.

2025-03-04  Georg-Johann Lay  <avr@gjlay.de>

	* doc/invoke.texi (AVR Optimization Options): New @subsubsection
	for pure optimization options.

2025-03-04  Oscar Gustafsson  <oscar.gustafsson@gmail.com>

	* doc/extend.texi: Improve example for __builtin_bswap16.

2025-03-04  Jan Hubicka  <hubicka@ucw.cz>

	* config/i386/i386.h (TARGET_AVOID_FALSE_DEP_FOR_TZCNT): New macro.
	(TARGET_AVOID_FALSE_DEP_FOR_BLS): New macro.
	* config/i386/i386.md (*bmi_blsi_<mode>): Add splitter for false
	dependency.
	(*bmi_blsi_<mode>_ccno): Add splitter for false dependency.
	(*bmi_blsi_<mode>_falsedep): New pattern.
	(*bmi_blsmsk_<mode>): Add splitter for false dependency.
	(*bmi_blsmsk_<mode>_falsedep): New pattern.
	(*bmi_blsr_<mode>): Add splitter for false dependency.
	(*bmi_blsr_<mode>_cmp): Add splitter for false dependency
	(*bmi_blsr_<mode>_cmp_falsedep): New pattern.
	* config/i386/x86-tune.def (X86_TUNE_AVOID_FALSE_DEP_FOR_TZCNT): New tune.
	(X86_TUNE_AVOID_FALSE_DEP_FOR_BLS): New tune.

2025-03-04  Jan Hubicka  <hubicka@ucw.cz>

	* config/i386/i386.h (TARGET_FUSE_ALU_AND_BRANCH_MEM): New macro.
	(TARGET_FUSE_ALU_AND_BRANCH_MEM_IMM): New macro.
	(TARGET_FUSE_ALU_AND_BRANCH_RIP_RELATIVE): New macro.
	* config/i386/x86-tune-sched.cc (ix86_fuse_mov_alu_p): Support
	non-single-set.
	(ix86_macro_fusion_pair_p): Allow ALU which only clobbers;
	be more careful about immediates; check TARGET_FUSE_ALU_AND_BRANCH_MEM,
	TARGET_FUSE_ALU_AND_BRANCH_MEM_IMM, TARGET_FUSE_ALU_AND_BRANCH_RIP_RELATIVE;
	verify that we never use unsigned checks with inc/dec.
	* config/i386/x86-tune.def (X86_TUNE_FUSE_ALU_AND_BRANCH): New tune.
	(X86_TUNE_FUSE_ALU_AND_BRANCH_MEM): New tune.
	(X86_TUNE_FUSE_ALU_AND_BRANCH_MEM_IMM): New tune.
	(X86_TUNE_FUSE_ALU_AND_BRANCH_RIP_RELATIVE): New tune.

2025-03-04  Tamar Christina  <tamar.christina@arm.com>

	PR target/118892
	* config/aarch64/aarch64.md (copysign<GPF:mode>3): Use
	force_lowpart_subreg instead of lowpart_subreg.

2025-03-04  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/118976
	* fold-const.cc (const_unop): Use ~ rather than - for BIT_NOT_EXPR.
	* config/aarch64/aarch64.cc (aarch64_test_sve_folding): New function.
	(aarch64_run_selftests): Run it.

2025-03-04  Richard Sandiford  <richard.sandiford@arm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119002
	* simplify-rtx.cc
	(simplify_context::simplify_logical_relational_operation): Handle
	comparisons between CC values.  If there is no evidence that the
	CC values are unsigned, restrict the fold to always-true or
	always-false results.

2025-03-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119096
	* tree-vect-loop.cc (vect_transform_reduction): Use the
	correct else value for .COND_fn.

2025-03-03  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(struct aarch64_extension_info): Add field.
	(aarch64_get_required_features): New.
	* config/aarch64/aarch64-builtins.cc
	(aarch64_simd_switcher::aarch64_simd_switcher): Rename to...
	(aarch64_target_switcher::aarch64_target_switcher): ...this,
	and extend to handle sve, nosimd and target pragmas.
	(aarch64_simd_switcher::~aarch64_simd_switcher): Rename to...
	(aarch64_target_switcher::~aarch64_target_switcher): ...this,
	and extend to handle sve, nosimd and target pragmas.
	(handle_arm_acle_h): Use aarch64_target_switcher.
	(handle_arm_neon_h): Rename switcher and pass explicit flags.
	(aarch64_general_init_builtins): Ditto.
	* config/aarch64/aarch64-protos.h
	(class aarch64_simd_switcher): Rename to...
	(class aarch64_target_switcher): ...this, and add new members.
	(aarch64_get_required_features): New prototype.
	* config/aarch64/aarch64-sve-builtins.cc
	(sve_switcher::sve_switcher): Delete
	(sve_switcher::~sve_switcher): Delete
	(sve_alignment_switcher::sve_alignment_switcher): New
	(sve_alignment_switcher::~sve_alignment_switcher): New
	(register_builtin_types): Use alignment switcher
	(init_builtins): Rename switcher.
	(handle_arm_neon_sve_bridge_h): Ditto.
	(handle_arm_sme_h): Ditto.
	(handle_arm_sve_h): Ditto, and use alignment switcher.
	* config/aarch64/aarch64-sve-builtins.h
	(class sve_switcher): Delete.
	(class sme_switcher): Delete.
	(class sve_alignment_switcher): New.
	* config/aarch64/t-aarch64 (aarch64-builtins.o): Add $(REGS_H).
	(aarch64-sve-builtins.o): Remove $(REG_H).

2025-03-03  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/thumb1.md (split patterns for GEU and LEU): New.

2025-03-03  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2025-03-03  Uros Bizjak  <ubizjak@gmail.com>

	* combine.cc (distribute_notes):
	Reverse negative logic in ternary operators.

2025-03-03  Uros Bizjak  <ubizjak@gmail.com>

	* combine.cc (distribute_notes):
	Reverse negative logic in ternary operators.

2025-03-03  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/118739
	* combine.cc (distribute_notes) <case REG_UNUSED>: Correct the
	logic when the register is used by I3.

2025-03-03  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118785
	* ipa-cp.cc (ipa_vr_intersect_with_arith_jfunc): Handle non-conversion
	unary operations separately before doing any conversions.  Check
	expr_type_first_operand_type_p for non-unary operations too.  Fix type
	of op_res.

2025-03-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/119057
	* tree-vect-loop.cc (check_reduction_path): Add argument
	specifying whether we're analyzing the inner loop of a
	double reduction.  Do not allow extra uses outside of the
	double reduction cycle in this case.
	(vect_is_simple_reduction): Adjust.

2025-03-03  Richard Biener  <rguenther@suse.de>

	PR ipa/119067
	* ipa-devirt.cc (odr_types_equivalent_p): Check
	TYPE_VECTOR_SUBPARTS for vectors.

2025-03-02  Jeff Law  <jlaw@ventanamicro.com>

	PR target/118934
	* config/riscv/corev.md (cv_branch): Adjust output template.
	(branch): Likewise.
	* config/riscv/riscv.md (branch): Likewise.
	* config/riscv/riscv.cc (riscv_asm_output_opcode): Handle 'r' rather
	than 'n'.

2025-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR translation/118991
	* config/avr/avr.cc (avr_print_operand): Print ival into
	a temporary buffer and use %s in output_operand_lossage to make
	the diagnostics translatable.

2025-03-02  Filip Kastl  <fkastl@suse.cz>

	PR tree-optimization/117919
	* gimple-ssa-sccopy.cc (scc_copy_prop::propagate): Prune
	statements that 'replace_uses_by ()' removed.

2025-03-01  Gerald Pfeifer  <gerald@pfeifer.com>

	PR target/69374
	* doc/install.texi (Specific, *-*-freebsd*): Simplify description.

2025-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR jit/117047
	* ggc-common.cc (ggc_internal_cleared_alloc_no_dtor): Pass size
	rather than s as the first argument to ggc_internal_cleared_alloc.

2025-03-01  Yuriy Kolerov  <Yuriy.Kolerov@synopsys.com>

	PR target/118906
	* common/config/riscv/riscv-common.cc: fix zce to zcf
	implication.

2025-03-01  Jan Dubiec  <jdx@o2.pl>

	PR target/114222
	* config/h8300/h8300.cc (h8300_init_libfuncs): For HImode override
	calls to external ffs() (from newlib) with calls to __ffshi2() from
	libgcc. The implementation of ffs() in newlib calls __builtin_ffs()
	what causes infinite recursion and finally a stack overflow.

2025-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR other/119052
	* input.cc (check_line): Don't call sscanf on non-null terminated
	buffer, instead copy line.length () bytes from line.get_buffer ()
	to a local buffer, null terminate it and call sscanf on that.
	Formatting fix.
	(test_replacement): Just allocate maxline * 5 rather than maxline * 15
	bytes for the file.  Formatting fix.

2025-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR jit/117047
	* acinclude.m4 (gcc_CHECK_ATTRIBUTE_ALIAS): New.
	* configure.ac: Add gcc_CHECK_ATTRIBUTE_ALIAS.
	* ggc.h (ggc_internal_alloc): Remove ATTRIBUTE_MALLOC from
	overload with finalizer pointer.  Call ggc_internal_alloc_no_dtor
	in inline overload without finalizer pointer.
	(ggc_internal_alloc_no_dtor): Declare.
	(ggc_internal_cleared_alloc): Remove ATTRIBUTE_MALLOC from
	overload with finalizer pointer.  Call
	ggc_internal_cleared_alloc_no_dtor in inline overload without
	finalizer pointer.
	(ggc_internal_cleared_alloc_no_dtor): Declare.
	(ggc_alloc): Call ggc_internal_alloc_no_dtor if no finalization
	is needed.
	(ggc_alloc_no_dtor): Call ggc_internal_alloc_no_dtor.
	(ggc_cleared_alloc): Call ggc_internal_cleared_alloc_no_dtor if no
	finalization is needed.
	(ggc_vec_alloc): Call ggc_internal_alloc_no_dtor if no finalization
	is needed.
	(ggc_cleared_vec_alloc): Call ggc_internal_cleared_alloc_no_dtor if no
	finalization is needed.
	* ggc-page.cc (ggc_internal_alloc): If HAVE_ATTRIBUTE_ALIAS, turn
	overload with finalizer into alias to ggc_internal_alloc_ and
	rename it to ...
	(ggc_internal_alloc_): ... this, make it extern "C".
	(ggc_internal_alloc_no_dtor): New alias if HAVE_ATTRIBUTE_ALIAS,
	otherwise new noinline wrapper.
	* ggc-common.cc (ggc_internal_cleared_alloc): If HAVE_ATTRIBUTE_ALIAS,
	turn overload with finalizer into alias to ggc_internal_alloc_ and
	rename it to ...
	(ggc_internal_cleared_alloc_): ... this, make it extern "C".
	(ggc_internal_cleared_alloc_no_dtor): New alias if
	HAVE_ATTRIBUTE_ALIAS, otherwise new noinline wrapper.
	* ggc-none.cc (ggc_internal_alloc): If HAVE_ATTRIBUTE_ALIAS, turn
	overload with finalizer into alias to ggc_internal_alloc_ and
	rename it to ...
	(ggc_internal_alloc_): ... this, make it extern "C".
	(ggc_internal_alloc_no_dtor): New alias if HAVE_ATTRIBUTE_ALIAS,
	otherwise new wrapper.
	(ggc_internal_cleared_alloc): If HAVE_ATTRIBUTE_ALIAS, turn overload
	with finalizer into alias to ggc_internal_alloc_ and rename it to ...
	(ggc_internal_cleared_alloc_): ... this, make it extern "C".
	(ggc_internal_cleared_alloc_no_dtor): New alias if
	HAVE_ATTRIBUTE_ALIAS, otherwise new wrapper.
	* genmatch.cc (ggc_internal_cleared_alloc, ggc_free): Formatting fix.
	(ggc_internal_cleared_alloc_no_dtor): Define.
	* config.in: Regenerate.
	* configure: Regenerate.

2025-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/115871
	* omp-simd-clone.cc (simd_clone_adjust): For SIMD_CLONE_ARG_TYPE_MASK
	and sc->mask_mode not VOIDmode, set elem_type to the characteristic
	type rather than boolean_type_node.

2025-03-01  Jan Dubiec  <jdx@o2.pl>

	PR target/109189
	* config/h8300/h8300.cc (h8300_print_operand): Replace %ld format
	strings with HOST_WIDE_INT_PRINT_DEC macro in order to silence
	-Wformat warnings when building on Windows/MinGW64.

2025-02-28  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118243
	* ipa-sra.cc (pull_accesses_from_callee): New parameters
	caller_ipcp_ts and param_idx.  Check that scalar pulled accesses would
	not clash with a known IPA-CP aggregate constant.
	(param_splitting_across_edge): Pass IPA-CP transformation summary and
	caller parameter index to pull_accesses_from_callee.

2025-02-28  Richard Biener  <rguenther@suse.de>

	PR ipa/111245
	* ipa-modref.cc (modref_access_analysis::analyze_store): Do
	not guard the check of whether the stmt could throw by
	cfun->can_throw_non_call_exceptions.

2025-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/117712
	* expr.cc (force_operand): Handle {,UNSIGNED_}FIX with
	FIX operand using expand_fix on the inner FIX operand.

2025-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87984
	* tree-ssa-dom.cc (dom_opt_dom_walker::optimize_stmt): Do
	not perform redundant store elimination to hard register
	variables.
	* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt):
	Likewise.

2025-02-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/66279
	* gimplify.cc (gimplify_asm_expr): Copy TREE_PURPOSE before
	rewriting it for "+" processing.

2025-02-28  H.J. Lu  <hjl.tools@gmail.com>

	* config/i386/i386.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
	Moved to ...
	* config/i386/i386.cc (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
	Here.

2025-02-27  Pan Li  <pan2.li@intel.com>

	PR target/118931
	* config/riscv/riscv-v.cc (expand_const_vector): Add overflow to
	smode check and clean up highest bits if overflow.

2025-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/119030
	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Fix a pasto,
	ll_unsignedp -> rl_unsignedp.

2025-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/118860
	* input.h (file_cache::tune): No longer static.  Rename argument
	from num_file_slots_ to num_file_slots.  Formatting fix.
	(file_cache::num_file_slots): Renamed to ...
	(file_cache::m_num_file_slots): ... this.  No longer static.
	* input.cc (file_cache_slot::tune): Change return type from void to
	size_t, return previous file_cache_slot::line_record_size value.
	Formatting fixes.
	(file_cache::tune): Rename argument from num_file_slots_ to
	num_file_slots.  Set m_num_file_slots rather than num_file_slots.
	If m_num_file_slots or file_cache_slot::line_record_size changes,
	delete[] m_file_slots and new it again.
	(file_cache::num_file_slots): Remove definition.
	(file_cache::lookup_file): Use m_num_file_slots rather than
	num_file_slots.
	(file_cache::evicted_cache_tab_entry): Likewise.
	(file_cache::file_cache): Likewise.  Initialize m_num_file_slots
	to 16.
	(file_cache::dump): Use m_num_file_slots rather than num_file_slots.
	(file_cache_slot::get_next_line): Formatting fixes.
	(file_cache_slot::read_line_num): Likewise.
	(get_source_text_between): Likewise.
	* toplev.cc (toplev::main): Call global_dc->get_file_cache ().tune
	rather than file_cache::tune.

2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.h (MAX_FIXED_MODE_SIZE): '#define'.

2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.opt (-mfake-ptx-alloca): New.
	* config/nvptx/nvptx-protos.h (nvptx_output_fake_ptx_alloca):
	Declare.
	* config/nvptx/nvptx.cc (nvptx_output_fake_ptx_alloca): New.
	* config/nvptx/nvptx.md (define_insn "@nvptx_alloca_<mode>")
	[!(TARGET_PTX_7_3 && TARGET_SM52)]: Use it for
	'-mfake-ptx-alloca'.

2025-02-27  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.md (define_expand "allocate_stack")
	[!TARGET_SOFT_STACK]: Move
	'sorry ("dynamic stack allocation not supported");'...
	(define_insn "@nvptx_alloca_<mode>"): ... here.

2025-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/108369
	* doc/invoke.texi: Add a note to clarify. Adjust some wording.

2025-02-27  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/x86-tune.def
	(X86_TUNE_DEST_FALSE_DEP_FOR_GLC): Add GNR, GNR-D, DMR.
	(X86_TUNE_AVOID_256FMA_CHAINS): Ditto.
	(X86_TUNE_AVX512_MOVE_BY_PIECES): Ditto.
	(X86_TUNE_AVX512_STORE_BY_PIECES): Ditto.

2025-02-27  Jakub Jelinek  <jakub@redhat.com>

	* gimple-range-phi.cc (phi_analyzer::process_phi): Fix comment typo,
	dpoesn;t -> doesn't.

2025-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR testsuite/116143
	* Makefile.in (EXTRA_BACKEND_OBJS): New variable.
	(BACKEND): Use it before libbackend.a.

2025-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/118819
	* alias.cc (memrefs_conflict_p): Perform arithmetics on c, xsize and
	ysize in poly_offset_int and return -1 if it is not representable in
	poly_int64.

2025-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/119001
	* varasm.cc (output_constructor_regular_field): Don't fail
	assertion if next is non-NULL and FIELD_DECL if
	TREE_CODE (local->type) is UNION_TYPE.

2025-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/114870
	* ginclude/stddef.h (__STDC_VERSION_STDDEF_H__, unreachable): Don't
	redefine multiple times if stddef.h is first included without __need_*
	defines and later with them.  Move nullptr_t and unreachable and
	__STDC_VERSION_STDDEF_H__ definitions into the same
	defined (__STDC_VERSION__) && __STDC_VERSION__ > 201710L #if block.

2025-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/119002
	* config/arm/arm.h (REVERSE_CONDITION): Use CODE - the macro
	argument - in the macro rather than code.

2025-02-26  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR middle-end/119021
	* lra.cc (lra_asm_insn_error): Use lra_invalidate_insn_data
	instead of lra_update_insn_regno_info.
	* lra-assigns.cc (lra_split_hard_reg_for): Restore old code.

2025-02-26  Alexandre Oliva  <oliva@adacore.com>

	* doc/sourcebuild.texi: Add x86 effective target.

2025-02-26  Alexandre Oliva  <oliva@adacore.com>

	* doc/sourcebuild.texi (dg-do-if): Document.

2025-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR testsuite/116143
	* simple-diagnostic-path.h (simple_diagnostic_path::num_events): Define
	inline.
	(simple_diagnostic_path::num_threads): Likewise.
	* simple-diagnostic-path.cc (simple_diagnostic_path::num_events):
	Remove out of line definition.
	(simple_diagnostic_path::num_threads): Likewise.

2025-02-25  Jason Merrill  <jason@redhat.com>

	* doc/install.texi: 10.5 won't bootstrap with C++98.

2025-02-25  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/115458
	* lra-int.h (LRA_MAX_FAILED_SPLITS): Define and check its value.
	(lra_split_hard_reg_for): Change prototype.
	* lra.cc (lra): Try to split hard reg range several times after a
	failure.
	* lra-assigns.cc (lra_split_hard_reg_for): Add an arg, a flag of
	giving up.  Report asm error and nullify the asm insn depending on
	the arg value.

2025-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR translation/118991
	* config/pru/pru-pragma.cc (pru_pragma_ctable_entry): Use %wd
	instead of %" HOST_WIDE_INT_PRINT "d to print a hwi in error.

2025-02-25  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/118654
	* config/i386/i386-d.cc (ix86_d_target_versions): Predefine GNU_CET.
	(ix86_d_handle_target_cf_protection): New.
	(ix86_d_register_target_info): Add 'CET' TargetInfo key.

2025-02-24  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/114516
	* config/riscv/riscv-vector-costs.cc (compute_estimated_lmul):
	Add pattern statements to program points.

2025-02-24  Robin Dapp  <rdapp@ventanamicro.com>

	PR middle-end/118950
	* tree-vect-patterns.cc (vect_recog_gather_scatter_pattern): Use
	original LHS's type.

2025-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118915
	* tree-ssa-reassoc.cc (optimize_range_tests_to_bit_test): For
	highj == NULL_TREE use TYPE_MAX_VALUE (TREE_TYPE (lowj)) rather
	than TYPE_MAX_VALUE (type).

2025-02-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118973
	* tree-ssa-dce.cc (mark_stmt_if_obviously_necessary): Calls
	that alter control flow in unpredictable ways need to be
	preserved.

2025-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/118993
	* gimplify.cc (gimplify_scan_omp_clauses): Fix diagnostics typo,
	undfined -> undefined.

2025-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/117023
	* builtin-attrs.def (ATTR_NONNULL_IF_NONZERO): New DEF_ATTR_IDENT.
	(ATTR_NOTHROW_NONNULL_IF12_LEAF, ATTR_NOTHROW_NONNULL_IF13_LEAF,
	ATTR_NOTHROW_NONNULL_IF123_LEAF, ATTR_NOTHROW_NONNULL_IF23_LEAF,
	ATTR_NOTHROW_NONNULL_1_IF23_LEAF, ATTR_PURE_NOTHROW_NONNULL_IF12_LEAF,
	ATTR_PURE_NOTHROW_NONNULL_IF13_LEAF,
	ATTR_PURE_NOTHROW_NONNULL_IF123_LEAF,
	ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_IF12_LEAF,
	ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_IF12_LEAF): New
	DEF_ATTR_TREE_LIST.
	* builtins.def (BUILT_IN_STRNDUP): Use
	ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_IF12_LEAF instead of
	ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_STRNCAT, BUILT_IN_STRNCAT_CHK): Use
	ATTR_NOTHROW_NONNULL_1_IF23_LEAF instead of ATTR_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_BCOPY, BUILT_IN_MEMCPY, BUILT_IN_MEMCPY_CHK,
	BUILT_IN_MEMMOVE, BUILT_IN_MEMMOVE_CHK,  BUILT_IN_STRNCPY,
	BUILT_IN_STRNCPY_CHK): Use ATTR_NOTHROW_NONNULL_IF123_LEAF instead of
	ATTR_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_MEMPCPY, BUILT_IN_MEMPCPY_CHK, BUILT_IN_STPNCPY,
	BUILT_IN_STPNCPY_CHK): Use ATTR_NOTHROW_NONNULL_IF123_LEAF instead of
	ATTR_RETNONNULL_NOTHROW_LEAF.
	(BUILT_IN_BZERO, BUILT_IN_MEMSET, BUILT_IN_MEMSET_CHK): Use
	ATTR_NOTHROW_NONNULL_IF13_LEAF instead of ATTR_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_BCMP, BUILT_IN_MEMCMP, BUILT_IN_STRNCASECMP,
	BUILT_IN_STRNCMP): Use ATTR_PURE_NOTHROW_NONNULL_IF123_LEAF instead of
	ATTR_PURE_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_STRNLEN): Use ATTR_PURE_NOTHROW_NONNULL_IF12_LEAF instead of
	ATTR_PURE_NOTHROW_NONNULL_LEAF.
	(BUILT_IN_MEMCHR): Use ATTR_PURE_NOTHROW_NONNULL_IF13_LEAF instead of
	ATTR_PURE_NOTHROW_NONNULL_LEAF.

2025-02-24  Lino Hsing-Yu Peng  <linopeng@andestech.com>

	* config/riscv/riscv.cc: Set multi push regs bits.

2025-02-22  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/bpf/bpf.md (define_expand "allocate_stack"): Emit
	'sorry, unimplemented: dynamic stack allocation not supported'.
	* config/nvptx/nvptx.md (define_expand "allocate_stack")
	[!TARGET_SOFT_STACK && !(TARGET_PTX_7_3 && TARGET_SM52)]: Likewise.

2025-02-21  H.J. Lu  <hjl.tools@gmail.com>

	* sese.cc (debug_edge): Append a newline.

2025-02-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118954
	* tree-predcom.cc (ref_at_iteration): Make sure to not
	associate the constant offset with DR_BASE_ADDRESS when
	that is an offsetted pointer.

2025-02-20  David Malcolm  <dmalcolm@redhat.com>

	* diagnostic-core.h: Add comments making clear that these
	functions implicitly use global_dc.

2025-02-20  David Malcolm  <dmalcolm@redhat.com>

	* libsarifreplay.cc
	(sarif_replayer::make_plain_text_within_result_message): Capture
	which json::string was used.  When reporting on unescaped "{" or
	"}" in SARIF message strings, use that string rather than the
	message object, and refer the user to §3.11.5 ("Messages with
	placeholders") rather than §3.11.11 ("arguments").  Ideally we'd
	place the error at the precise character, but that can't be done
	without reworking json-parsing.cc's lexer::lex_string, which is
	too invasive for stage 4.
	(sarif_replayer::get_plain_text_from_mfms): Capture which
	json::string was used.
	(sarif_replayer::lookup_plain_text_within_result_message):
	Likewise.

2025-02-20  Gerald Pfeifer  <gerald@pfeifer.com>

	PR target/69374
	* doc/install.texi (Specific, aarch64*-*-*): Drop note for
	Binutils pre 2.24.

2025-02-20  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-protos.h (aarch64_expand_sve_vec_cmp_float):
	Remove can_invert_p argument and change return type to void.
	* config/aarch64/aarch64.cc (aarch64_expand_sve_vec_cmp_float):
	Likewise.
	* config/aarch64/aarch64-sve.md (vec_cmp<mode><vpred>): Update call
	accordingly.

2025-02-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118521
	* tree-scalar-evolution.cc (final_value_replacement_loop):
	Fold uses of the replaced PHI def.

2025-02-20  Filip Kastl  <fkastl@suse.cz>

	* doc/invoke.texi: Fix typo file-cache-files ->
	file-cache-lines.

2025-02-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/86270
	* tree-outof-ssa.cc (insert_backedge_copies): Pattern
	match a single conflict in a loop condition and adjust
	that avoiding the conflict if possible.

2025-02-20  H.J. Lu  <hjl.tools@gmail.com>

	Revert:
	2025-02-16  H.J. Lu  <hjl.tools@gmail.com>

	PR target/109780
	PR target/109093
	* config/i386/i386.cc (ix86_update_stack_alignment): New.
	(ix86_find_all_reg_use_1): Likewise.
	(ix86_find_all_reg_use): Likewise.
	(ix86_find_max_used_stack_alignment): Also check memory accesses
	from registers defined by stack or frame registers.

2025-02-20  H.J. Lu  <hjl.tools@gmail.com>

	Revert:
	2025-02-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.cc (ix86_find_all_reg_use):
	Scan only for SET RTX in PARALLEL.

2025-02-19  David Malcolm  <dmalcolm@redhat.com>

	PR other/118919
	* input.cc (file_cache_slot::m_file_path): Make non-const.
	(file_cache_slot::evict): Free m_file_path.
	(file_cache_slot::create): Store a copy of file_path if non-null.
	(file_cache_slot::~file_cache_slot): Free m_file_path.

2025-02-19  Pan Li  <pan2.li@intel.com>

	PR middle-end/116351
	* tree-vect-loop.cc (vect_verify_loop_lens): Return false if the
	loop_vinfo has relevant mode such as DImode.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/lasx.md (UNSPEC_LASX_XVSRARI): Remove.
	(UNSPEC_LASX_XVSRLRI): Remove.
	(lasx_xvsrari_<lsxfmt>): Remove.
	(lasx_xvsrlri_<lsxfmt>): Remove.
	* config/loongarch/lsx.md (UNSPEC_LSX_VSRARI): Remove.
	(UNSPEC_LSX_VSRLRI): Remove.
	(lsx_vsrari_<lsxfmt>): Remove.
	(lsx_vsrlri_<lsxfmt>): Remove.
	* config/loongarch/simd.md (simd_<optab>_imm_round_<mode>): New
	define_insn.
	(<simd_isa>_<x>v<insn>ri_<simdfmt>): New define_expand.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/simd.md (wvec_half): New define_mode_attr.
	(<su>dot_prod<wvec_half><mode>): New define_expand.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/simd.md (even_odd): New define_int_attr.
	(vec_widen_<su>mult_<even_odd>_<mode>): New define_expand.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/simd.md (LVEC): New define_mode_attr.
	(simdfmt_as_i): Make it same as simdfmt for integer vector
	modes.
	(_f): New define_mode_attr.
	* config/loongarch/lsx.md (lsx_vpickev_b): Remove.
	(lsx_vpickev_h): Remove.
	(lsx_vpickev_w): Remove.
	(lsx_vpickev_w_f): Remove.
	(lsx_vpickod_b): Remove.
	(lsx_vpickod_h): Remove.
	(lsx_vpickod_w): Remove.
	(lsx_vpickev_w_f): Remove.
	(lsx_pick_evod_<mode>): New define_insn.
	(lsx_<x>vpick<ev_od>_<simdfmt_as_i><_f>): New
	define_expand.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/lasx.md (UNSPEC_LASX_XVMADDWEV): Remove.
	(UNSPEC_LASX_XVMADDWEV2): Remove.
	(UNSPEC_LASX_XVMADDWEV3): Remove.
	(UNSPEC_LASX_XVMADDWOD): Remove.
	(UNSPEC_LASX_XVMADDWOD2): Remove.
	(UNSPEC_LASX_XVMADDWOD3): Remove.
	(lasx_xvmaddwev_h_b<u>): Remove.
	(lasx_xvmaddwev_w_h<u>): Remove.
	(lasx_xvmaddwev_d_w<u>): Remove.
	(lasx_xvmaddwev_q_d): Remove.
	(lasx_xvmaddwod_h_b<u>): Remove.
	(lasx_xvmaddwod_w_h<u>): Remove.
	(lasx_xvmaddwod_d_w<u>): Remove.
	(lasx_xvmaddwod_q_d): Remove.
	(lasx_xvmaddwev_q_du): Remove.
	(lasx_xvmaddwod_q_du): Remove.
	(lasx_xvmaddwev_h_bu_b): Remove.
	(lasx_xvmaddwev_w_hu_h): Remove.
	(lasx_xvmaddwev_d_wu_w): Remove.
	(lasx_xvmaddwev_q_du_d): Remove.
	(lasx_xvmaddwod_h_bu_b): Remove.
	(lasx_xvmaddwod_w_hu_h): Remove.
	(lasx_xvmaddwod_d_wu_w): Remove.
	(lasx_xvmaddwod_q_du_d): Remove.
	* config/loongarch/lsx.md (UNSPEC_LSX_VMADDWEV): Remove.
	(UNSPEC_LSX_VMADDWEV2): Remove.
	(UNSPEC_LSX_VMADDWEV3): Remove.
	(UNSPEC_LSX_VMADDWOD): Remove.
	(UNSPEC_LSX_VMADDWOD2): Remove.
	(UNSPEC_LSX_VMADDWOD3): Remove.
	(lsx_vmaddwev_h_b<u>): Remove.
	(lsx_vmaddwev_w_h<u>): Remove.
	(lsx_vmaddwev_d_w<u>): Remove.
	(lsx_vmaddwev_q_d): Remove.
	(lsx_vmaddwod_h_b<u>): Remove.
	(lsx_vmaddwod_w_h<u>): Remove.
	(lsx_vmaddwod_d_w<u>): Remove.
	(lsx_vmaddwod_q_d): Remove.
	(lsx_vmaddwev_q_du): Remove.
	(lsx_vmaddwod_q_du): Remove.
	(lsx_vmaddwev_h_bu_b): Remove.
	(lsx_vmaddwev_w_hu_h): Remove.
	(lsx_vmaddwev_d_wu_w): Remove.
	(lsx_vmaddwev_q_du_d): Remove.
	(lsx_vmaddwod_h_bu_b): Remove.
	(lsx_vmaddwod_w_hu_h): Remove.
	(lsx_vmaddwod_d_wu_w): Remove.
	(lsx_vmaddwod_q_du_d): Remove.
	* config/loongarch/simd.md (simd_maddw_evod_<mode>_<su>):
	New define_insn.
	(<simd_isa>_<x>vmaddw<ev_od>_<simdfmt_w>_<simdfmt><u>): New
	define_expand.
	(simd_maddw_evod_<mode>_hetero): New define_insn.
	(<simd_isa>_<x>vmaddw<ev_od>_<simdfmt_w>_<simdfmt>u_<simdfmt>):
	New define_expand.
	(<simd_isa>_maddw<ev_od>_q_d<u>_punned): New define_expand.
	(<simd_isa>_maddw<ev_od>_q_du_d_punned): New define_expand.
	* config/loongarch/loongarch-builtins.cc
	(CODE_FOR_lsx_vmaddwev_q_d): Define as a macro to override it
	with the punned expand.
	(CODE_FOR_lsx_vmaddwev_q_du): Likewise.
	(CODE_FOR_lsx_vmaddwev_q_du_d): Likewise.
	(CODE_FOR_lsx_vmaddwod_q_d): Likewise.
	(CODE_FOR_lsx_vmaddwod_q_du): Likewise.
	(CODE_FOR_lsx_vmaddwod_q_du_d): Likewise.
	(CODE_FOR_lasx_xvmaddwev_q_d): Likewise.
	(CODE_FOR_lasx_xvmaddwev_q_du): Likewise.
	(CODE_FOR_lasx_xvmaddwev_q_du_d): Likewise.
	(CODE_FOR_lasx_xvmaddwod_q_d): Likewise.
	(CODE_FOR_lasx_xvmaddwod_q_du): Likewise.
	(CODE_FOR_lasx_xvmaddwod_q_du_d): Likewise.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/lasx.md (UNSPEC_LASX_XVHADDW_Q_D): Remove.
	(UNSPEC_LASX_XVHSUBW_Q_D): Remove.
	(UNSPEC_LASX_XVHADDW_QU_DU): Remove.
	(UNSPEC_LASX_XVHSUBW_QU_DU): Remove.
	(lasx_xvh<addsub:optab>w_h<u>_b<u>): Remove.
	(lasx_xvh<addsub:optab>w_w<u>_h<u>): Remove.
	(lasx_xvh<addsub:optab>w_d<u>_w<u>): Remove.
	(lasx_xvhaddw_q_d): Remove.
	(lasx_xvhsubw_q_d): Remove.
	(lasx_xvhaddw_qu_du): Remove.
	(lasx_xvhsubw_qu_du): Remove.
	(reduc_plus_scal_v4di): Call gen_lasx_haddw_q_d_punned instead
	of gen_lasx_xvhaddw_q_d.
	(reduc_plus_scal_v8si): Likewise.
	* config/loongarch/lsx.md (UNSPEC_LSX_VHADDW_Q_D): Remove.
	(UNSPEC_ASX_VHSUBW_Q_D): Remove.
	(UNSPEC_ASX_VHADDW_QU_DU): Remove.
	(UNSPEC_ASX_VHSUBW_QU_DU): Remove.
	(lsx_vh<addsub:optab>w_h<u>_b<u>): Remove.
	(lsx_vh<addsub:optab>w_w<u>_h<u>): Remove.
	(lsx_vh<addsub:optab>w_d<u>_w<u>): Remove.
	(lsx_vhaddw_q_d): Remove.
	(lsx_vhsubw_q_d): Remove.
	(lsx_vhaddw_qu_du): Remove.
	(lsx_vhsubw_qu_du): Remove.
	(reduc_plus_scal_v2di): Change the temporary register mode to
	V1TI, and pun the mode calling gen_vec_extractv2didi.
	(reduc_plus_scal_v4si): Change the temporary register mode to
	V1TI.
	* config/loongarch/simd.md (simd_h<optab>w_<mode>_<su>): New
	define_insn.
	(<simd_isa>_<x>vh<optab>w_<simdfmt_w><u>_<simdfmt><u>): New
	define_expand.
	(<simd_isa>_h<optab>w_q<u>_d<u>_punned): New define_expand.
	* config/loongarch/loongarch-builtins.cc
	(CODE_FOR_lsx_vhaddw_q_d): Define as a macro to override with
	punned expand.
	(CODE_FOR_lsx_vhaddw_qu_du): Likewise.
	(CODE_FOR_lsx_vhsubw_q_d): Likewise.
	(CODE_FOR_lsx_vhsubw_qu_du): Likewise.
	(CODE_FOR_lasx_xvhaddw_q_d): Likewise.
	(CODE_FOR_lasx_xvhaddw_qu_du): Likewise.
	(CODE_FOR_lasx_xvhsubw_q_d): Likewise.
	(CODE_FOR_lasx_xvhsubw_qu_du): Likewise.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/lasx.md (UNSPEC_LASX_XVADDWEV): Remove.
	(UNSPEC_LASX_XVADDWEV2): Remove.
	(UNSPEC_LASX_XVADDWEV3): Remove.
	(UNSPEC_LASX_XVSUBWEV): Remove.
	(UNSPEC_LASX_XVSUBWEV2): Remove.
	(UNSPEC_LASX_XVMULWEV): Remove.
	(UNSPEC_LASX_XVMULWEV2): Remove.
	(UNSPEC_LASX_XVMULWEV3): Remove.
	(UNSPEC_LASX_XVADDWOD): Remove.
	(UNSPEC_LASX_XVADDWOD2): Remove.
	(UNSPEC_LASX_XVADDWOD3): Remove.
	(UNSPEC_LASX_XVSUBWOD): Remove.
	(UNSPEC_LASX_XVSUBWOD2): Remove.
	(UNSPEC_LASX_XVMULWOD): Remove.
	(UNSPEC_LASX_XVMULWOD2): Remove.
	(UNSPEC_LASX_XVMULWOD3): Remove.
	(lasx_xv<addsubmul:optab>wev_h_b<u>): Remove.
	(lasx_xv<addsubmul:optab>wev_w_h<u>): Remove.
	(lasx_xv<addsubmul:optab>wev_d_w<u>): Remove.
	(lasx_xvaddwev_q_d): Remove.
	(lasx_xvsubwev_q_d): Remove.
	(lasx_xvmulwev_q_d): Remove.
	(lasx_xv<addsubmul:optab>wod_h_b<u>): Remove.
	(lasx_xv<addsubmul:optab>wod_w_h<u>): Remove.
	(lasx_xv<addsubmul:optab>wod_d_w<u>): Remove.
	(lasx_xvaddwod_q_d): Remove.
	(lasx_xvsubwod_q_d): Remove.
	(lasx_xvmulwod_q_d): Remove.
	(lasx_xvaddwev_q_du): Remove.
	(lasx_xvsubwev_q_du): Remove.
	(lasx_xvmulwev_q_du): Remove.
	(lasx_xvaddwod_q_du): Remove.
	(lasx_xvsubwod_q_du): Remove.
	(lasx_xvmulwod_q_du): Remove.
	(lasx_xv<addmul:optab>wev_h_bu_b): Remove.
	(lasx_xv<addmul:optab>wev_w_hu_h): Remove.
	(lasx_xv<addmul:optab>wev_d_wu_w): Remove.
	(lasx_xv<addmul:optab>wod_h_bu_b): Remove.
	(lasx_xv<addmul:optab>wod_w_hu_h): Remove.
	(lasx_xv<addmul:optab>wod_d_wu_w): Remove.
	(lasx_xvaddwev_q_du_d): Remove.
	(lasx_xvsubwev_q_du_d): Remove.
	(lasx_xvmulwev_q_du_d): Remove.
	(lasx_xvaddwod_q_du_d): Remove.
	(lasx_xvsubwod_q_du_d): Remove.
	* config/loongarch/lsx.md (UNSPEC_LSX_XVADDWEV): Remove.
	(UNSPEC_LSX_VADDWEV2): Remove.
	(UNSPEC_LSX_VADDWEV3): Remove.
	(UNSPEC_LSX_VSUBWEV): Remove.
	(UNSPEC_LSX_VSUBWEV2): Remove.
	(UNSPEC_LSX_VMULWEV): Remove.
	(UNSPEC_LSX_VMULWEV2): Remove.
	(UNSPEC_LSX_VMULWEV3): Remove.
	(UNSPEC_LSX_VADDWOD): Remove.
	(UNSPEC_LSX_VADDWOD2): Remove.
	(UNSPEC_LSX_VADDWOD3): Remove.
	(UNSPEC_LSX_VSUBWOD): Remove.
	(UNSPEC_LSX_VSUBWOD2): Remove.
	(UNSPEC_LSX_VMULWOD): Remove.
	(UNSPEC_LSX_VMULWOD2): Remove.
	(UNSPEC_LSX_VMULWOD3): Remove.
	(lsx_v<addsubmul:optab>wev_h_b<u>): Remove.
	(lsx_v<addsubmul:optab>wev_w_h<u>): Remove.
	(lsx_v<addsubmul:optab>wev_d_w<u>): Remove.
	(lsx_vaddwev_q_d): Remove.
	(lsx_vsubwev_q_d): Remove.
	(lsx_vmulwev_q_d): Remove.
	(lsx_v<addsubmul:optab>wod_h_b<u>): Remove.
	(lsx_v<addsubmul:optab>wod_w_h<u>): Remove.
	(lsx_v<addsubmul:optab>wod_d_w<u>): Remove.
	(lsx_vaddwod_q_d): Remove.
	(lsx_vsubwod_q_d): Remove.
	(lsx_vmulwod_q_d): Remove.
	(lsx_vaddwev_q_du): Remove.
	(lsx_vsubwev_q_du): Remove.
	(lsx_vmulwev_q_du): Remove.
	(lsx_vaddwod_q_du): Remove.
	(lsx_vsubwod_q_du): Remove.
	(lsx_vmulwod_q_du): Remove.
	(lsx_v<addmul:optab>wev_h_bu_b): Remove.
	(lsx_v<addmul:optab>wev_w_hu_h): Remove.
	(lsx_v<addmul:optab>wev_d_wu_w): Remove.
	(lsx_v<addmul:optab>wod_h_bu_b): Remove.
	(lsx_v<addmul:optab>wod_w_hu_h): Remove.
	(lsx_v<addmul:optab>wod_d_wu_w): Remove.
	(lsx_vaddwev_q_du_d): Remove.
	(lsx_vsubwev_q_du_d): Remove.
	(lsx_vmulwev_q_du_d): Remove.
	(lsx_vaddwod_q_du_d): Remove.
	(lsx_vsubwod_q_du_d): Remove.
	(lsx_vmulwod_q_du_d): Remove.
	* config/loongarch/loongarch-modes.def: Add V4TI and V1DI.
	* config/loongarch/loongarch-protos.h
	(loongarch_gen_stepped_int_parallel): New function prototype.
	* config/loongarch/loongarch.cc (loongarch_print_operand):
	Accept 'O' for printing "ev" or "od."
	(loongarch_gen_stepped_int_parallel): Implement.
	* config/loongarch/predicates.md
	(vect_par_cnst_even_or_odd_half): New define_predicate.
	* config/loongarch/simd.md (WVEC_HALF): New define_mode_attr.
	(simdfmt_w): Likewise.
	(zero_one): New define_int_iterator.
	(ev_od): New define_int_attr.
	(simd_<optab>w_evod_<mode:IVEC>_<su>): New define_insn.
	(<simd_isa>_<x>v<optab>w<ev_od>_<simdfmt_w>_<simdfmt><u>): New
	define_expand.
	(simd_<optab>w_evod_<mode>_hetero): New define_insn.
	(<simd_isa>_<x>v<optab>w<ev_od>_<simdfmt_w>_<simdfmt>u_<simdfmt>):
	New define_expand.
	(DIVEC): New define_mode_iterator.
	(<simd_isa>_<optab>w<ev_od>_q_d<u>_punned): New define_expand.
	(<simd_isa>_<optab>w<ev_od>_q_du_d_punned): Likewise.
	* config/loongarch/loongarch-builtins.cc
	(CODE_FOR_lsx_vaddwev_q_d): Define as a macro to override it
	with the punned expand.
	(CODE_FOR_lsx_vaddwev_q_du): Likewise.
	(CODE_FOR_lsx_vsubwev_q_d): Likewise.
	(CODE_FOR_lsx_vsubwev_q_du): Likewise.
	(CODE_FOR_lsx_vmulwev_q_d): Likewise.
	(CODE_FOR_lsx_vmulwev_q_du): Likewise.
	(CODE_FOR_lsx_vaddwod_q_d): Likewise.
	(CODE_FOR_lsx_vaddwod_q_du): Likewise.
	(CODE_FOR_lsx_vsubwod_q_d): Likewise.
	(CODE_FOR_lsx_vsubwod_q_du): Likewise.
	(CODE_FOR_lsx_vmulwod_q_d): Likewise.
	(CODE_FOR_lsx_vmulwod_q_du): Likewise.
	(CODE_FOR_lsx_vaddwev_q_du_d): Likewise.
	(CODE_FOR_lsx_vmulwev_q_du_d): Likewise.
	(CODE_FOR_lsx_vaddwod_q_du_d): Likewise.
	(CODE_FOR_lsx_vmulwod_q_du_d): Likewise.
	(CODE_FOR_lasx_xvaddwev_q_d): Likewise.
	(CODE_FOR_lasx_xvaddwev_q_du): Likewise.
	(CODE_FOR_lasx_xvsubwev_q_d): Likewise.
	(CODE_FOR_lasx_xvsubwev_q_du): Likewise.
	(CODE_FOR_lasx_xvmulwev_q_d): Likewise.
	(CODE_FOR_lasx_xvmulwev_q_du): Likewise.
	(CODE_FOR_lasx_xvaddwod_q_d): Likewise.
	(CODE_FOR_lasx_xvaddwod_q_du): Likewise.
	(CODE_FOR_lasx_xvsubwod_q_d): Likewise.
	(CODE_FOR_lasx_xvsubwod_q_du): Likewise.
	(CODE_FOR_lasx_xvmulwod_q_d): Likewise.
	(CODE_FOR_lasx_xvmulwod_q_du): Likewise.
	(CODE_FOR_lasx_xvaddwev_q_du_d): Likewise.
	(CODE_FOR_lasx_xvmulwev_q_du_d): Likewise.
	(CODE_FOR_lasx_xvaddwod_q_du_d): Likewise.
	(CODE_FOR_lasx_xvmulwod_q_du_d): Likewise.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/lsx.md (mov<LSX:mode>): Remove.
	(movmisalign<LSX:mode>): Remove.
	(mov<LSX:mode>_lsx): Remove.
	* config/loongarch/lasx.md (mov<LASX:mode>): Remove.
	(movmisalign<LASX:mode>): Remove.
	(mov<LASX:mode>_lasx): Remove.
	* config/loongarch/loongarch-modes.def (V1TI): Add.
	(V2TI): Mention in the comment.
	* config/loongarch/loongarch.md (mode): Add V1TI and V2TI.
	* config/loongarch/simd.md (ALLVEC_TI): New mode iterator.
	(mov<ALLVEC_TI:mode): New define_expand.
	(movmisalign<ALLVEC_TI:mode>): Likewise.
	(mov<ALLVEC_TI:mode>_simd): New define_insn_and_split.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch-protos.h
	(loongarch_const_vector_vrepli): New function prototype.
	* config/loongarch/loongarch.cc (loongarch_const_vector_vrepli):
	Implement.
	(loongarch_const_insns): Call loongarch_const_vector_vrepli
	instead of loongarch_const_vector_same_int_p.
	(loongarch_split_vector_move_p): Likewise.
	(loongarch_output_move): Use loongarch_const_vector_vrepli to
	pun operend[1] into a better mode if it's a const int vector,
	and decide the suffix of [x]vrepli with the new mode.
	* config/loongarch/constraints.md (YI): Call
	loongarch_const_vector_vrepli instead of
	loongarch_const_vector_same_int_p.

2025-02-19  Xi Ruoyao  <xry111@xry111.site>

	PR target/115478
	* config/loongarch/loongarch.md (any_or_plus): New
	define_code_iterator.
	(bstrins_<mode>_for_ior_mask): Use any_or_plus instead of ior.
	(bytepick_w_<bytepick_imm>): Likewise.
	(bytepick_d_<bytepick_imm>): Likewise.
	(bytepick_d_<bytepick_imm>_rev): Likewise.

2025-02-19  Jeff Law  <jlaw@ventanamicro.com>

	PR middle-end/113525
	* doc/invoke.texi (dump-rtl-sibling): Drop documentation for pass
	removed long ago.
	(dump-rtl-unshare): Likewise.

2025-02-18  Andi Kleen  <ak@gcc.gnu.org>

	* doc/invoke.texi:

2025-02-18  David Malcolm  <dmalcolm@redhat.com>

	* opts-diagnostic.cc (sarif_scheme_handler::make_sink): Put
	properties in alphabetical order.

2025-02-18  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/115703
	* config/riscv/riscv-vsetvl.cc: Use max_sew for calculating the
	new LMUL.

2025-02-18  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/108840
	* late-combine.cc (late_combine::check_register_pressure):
	Take only allocatable registers into account when checking
	the permissiveness of register classes.

2025-02-18  Alex Coplan  <alex.coplan@arm.com>

	PR rtl-optimization/118320
	* pair-fusion.cc (pair_fusion_bb_info::fuse_pair): Tweak wording in dump
	message when punting on invalid use arrays.

2025-02-18  Soumya AR  <soumyaa@nvidia.com>

	* config/aarch64/tuning_models/generic_armv8_a.h: Updated prefetch
	struct pointer.

2025-02-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/98845
	* tree-ssa-tail-merge.cc (stmt_local_def): Consider a
	def with no uses not local.

2025-02-18  Pan Li  <pan2.li@intel.com>

	PR target/118540
	* config/riscv/riscv-target-attr.cc (riscv_target_attr_parser::parse_arch):
	Report error when cmd xlen is different with target attribute.

2025-02-18  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.opt.urls: Adjust the order for avx10.2
	and avx10.2-512 due to their order change in i386.opt.

2025-02-18  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118805
	* gimple-fold.cc (fold_truth_andor_for_combine): Detect and
	cope with zero-extension in signbit tests.  Reject swapping
	right-compare operands if rsignbit.

2025-02-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.cc (ix86_find_all_reg_use):
	Scan only for SET RTX in PARALLEL.

2025-02-17  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/118288
	* builtins.cc (expand_builtin_crc_table_based):
	Use gen_int_mode to emit constant integers with MSB set.

2025-02-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118895
	* tree-ssa-sccvn.cc (vn_nary_build_or_lookup_1): Only allow
	CSE if we can verify the result is available.

2025-02-17  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118764
	* config/avr/gen-avr-mmcu-specs.cc (print_mcu)
	[has CVT]: Mention CVT in header comment of generated specs file.

2025-02-17  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/i386.opt.urls: Regenetated.

2025-02-17  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVX10_1_UNSET): Adjust macro.
	(OPTION_MASK_ISA2_AVX10_2_256_UNSET): Removed.
	(OPTION_MASK_ISA2_AVX10_2_512_UNSET): Ditto.
	(OPTION_MASK_ISA2_AVX10_2_UNSET): New.
	(ix86_handle_option): Remove disable part for avx10.2-256.
	Rename avx10.2-512 switch case to avx10.2 and adjust disable
	part macro.
	* common/config/i386/i386-isas.h: Adjust avx10.2 and
	avx10.2-512.
	* config/i386/driver-i386.cc
	(host_detect_local_cpu): Do not append -mno-avx10.x-256
	for -march=native.
	* config/i386/i386-options.cc
	(ix86_valid_target_attribute_inner_p): Adjust avx10.2 and
	avx10.2-512.
	* config/i386/i386.opt: Reject Negative for mavx10.2-256.
	Alias mavx10.2-512 to mavx10.2. Reject Negative for
	mavx10.2-512.
	* doc/extend.texi: Adjust documentation.
	* doc/sourcebuild.texi: Ditto.

2025-02-17  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVX2_UNSET): Change AVX10.1 unset macro.
	(OPTION_MASK_ISA2_AVX10_1_256_UNSET): Removed.
	(OPTION_MASK_ISA2_AVX10_1_512_UNSET): Removed.
	(OPTION_MASK_ISA2_AVX10_1_UNSET): New.
	(ix86_handle_option): Adjust AVX10.1 unset macro.
	* common/config/i386/i386-isas.h: Remove avx10.1.
	* config/i386/i386-options.cc
	(ix86_valid_target_attribute_inner_p): Ditto.
	(ix86_option_override_internal): Adjust warning message.
	* config/i386/i386.opt: Remove mavx10.1.
	* doc/extend.texi: Remove avx10.1 and adjust doc.
	* doc/sourcebuild.texi: Ditto.

2025-02-17  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118815
	* config/i386/i386-options.cc (ix86_option_override_internal):
	Do not check vector size conflict when AVX512 is not explicitly
	set.

2025-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/118248
	* config/riscv/riscv-string.cc (riscv_block_move_straight): Only
	allocate REGS buffer if it will be needed.

2025-02-16  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118764
	* config/avr/avr-c.cc (avr_cpu_cpp_builtins)
	[TARGET_CVT]: Define __AVR_CVT__.
	* doc/invoke.texi (AVR Built-in Macros): Document __AVR_CVT__.

2025-02-16  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.cc (avr_result_regno_unused_p): New static function.
	(avr_out_bitop): Only output result bytes that are used.
	(avr_out_plus_1): Same.

2025-02-16  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-protos.h (avr_builtin_supported_p): Remove.
	* config/avr/avr.cc (avr_init_builtins): Don't initialize
	non-available built-ins with NULL_TREE.
	(avr_builtin_supported_p): Move to...
	* config/avr/avr-c.cc: ...here.
	(avr_resolve_overloaded_builtin): Run avr_builtin_supported_p.

2025-02-16  H.J. Lu  <hjl.tools@gmail.com>

	PR target/109780
	PR target/109093
	* config/i386/i386.cc (ix86_update_stack_alignment): New.
	(ix86_find_all_reg_use_1): Likewise.
	(ix86_find_all_reg_use): Likewise.
	(ix86_find_max_used_stack_alignment): Also check memory accesses
	from registers defined by stack or frame registers.

2025-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/98028
	* vr-values.cc (check_for_binary_op_overflow): Try to use a known
	relationship betwen op0/op1 to statically determine overflow state.

2025-02-15  Robin Dapp  <rdapp.gcc@gmail.com>

	* config/riscv/autovec-opt.md
	(*single_widen_first_<any_widen_binop:optab><any_extend:su><mode>):
	New combine "bridge" pattern.

2025-02-15  Keith Packard  <keithp@keithp.com>

	* config/rx/rx.md (rx_cmpstrn): Correctly handle len=0 case.

2025-02-15  David Malcolm  <dmalcolm@redhat.com>

	* libsarifreplay.cc (sarif_replayer::handle_result_obj): Call
	handle_fix_object if we see a single-element "fixes" array.
	(sarif_replayer::handle_fix_object): New.
	(sarif_replayer::handle_artifact_change_object): New.

2025-02-15  David Malcolm  <dmalcolm@redhat.com>

	* libsarifreplay.cc (should_add_rule_p): New.
	(sarif_replayer::handle_result_obj): Use it to filter out rules
	that don't make sense.

2025-02-15  David Malcolm  <dmalcolm@redhat.com>

	* libsarifreplay.cc (sarif_replayer::handle_result_obj): Treat any
	relatedLocations without messages as secondary ranges within the
	diagnostic.  Doing so requires stashing the notes until after
	the diagnostic has been finished, so that relatedLocations can be
	walked in one pass.

2025-02-15  David Malcolm  <dmalcolm@redhat.com>

	PR sarif-replay/118881
	* doc/libgdiagnostics/topics/physical-locations.rst: Add
	diagnostic_physical_location_get_file.
	* libgdiagnostics++.h (physical_location::get_file): New wrapper.
	(diagnostic::add_location): Likewise.
	* libgdiagnostics.cc (diagnostic_manager::get_file_by_name): New.
	(diagnostic_physical_location::get_file): New.
	(diagnostic_physical_location_get_file): New.
	* libgdiagnostics.h (diagnostic_physical_location_get_file): New.
	* libgdiagnostics.map (diagnostic_physical_location_get_file): New.
	* libsarifreplay.cc (class annotation): New.
	(add_any_annotations): New.
	(sarif_replayer::handle_result_obj): Collect vectors of
	annotations in the calls to handle_location_object and apply them
	to "err" and to "note" as appropriate.
	(sarif_replayer::handle_thread_flow_location_object): Pass nullptr
	for annotations.
	(sarif_replayer::handle_location_object): Handle §3.28.6
	"annotations" property, using it to populate a new
	"out_annotations" param.

2025-02-15  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.cc (nvptx_record_needed_fndecl): Tag as
	'static'.

2025-02-15  Jin Ma  <jinma@linux.alibaba.com>

	PR target/118872
	* config/riscv/riscv.cc (riscv_fntype_abi): Strengthen the logic
	of the check to avoid missing the error report.

2025-02-14  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118878
	* config/avr/avr.cc (avr_out_plus_1): Don't ICE on result of
	paradoxical reg's register allocation.

2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/94282
	PR target/113331
	* common/config/gcn/gcn-common.cc (gcn_except_unwind_info): 'return UI_TARGET;'.
	* config/gcn/gcn.cc (gcn_asm_init_sections): New function.
	(TARGET_ASM_INIT_SECTIONS): '#define'.

2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/86660
	* common/config/nvptx/nvptx-common.cc (nvptx_except_unwind_info):
	'return UI_TARGET;'.
	* config/nvptx/nvptx.cc (nvptx_assemble_integer): Handle
	'exception_section'.
	(nvptx_output_section_asm_op, nvptx_asm_init_sections): New
	functions.
	(TARGET_ASM_INIT_SECTIONS): '#define'.
	* config/nvptx/nvptx.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
	Don't '#define'.
	(ASM_OUTPUT_DWARF_DELTA): '#define'.

2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (init_frag): New 'bool active' member.
	(output_init_frag, nvptx_assemble_value, nvptx_assemble_integer)
	(nvptx_output_skip, nvptx_assemble_decl_begin)
	(nvptx_assemble_decl_end): Sanity-check its state.

2025-02-14  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx.cc (nvptx_output_skip): Clarify case of
	no or incomplete initializer.

2025-02-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118852
	* tree-vect-slp.cc (vect_analyze_slp): For early-break
	forced-live IVs make sure we create an appropriate
	entry into the SLP graph.

2025-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR debug/118790
	* tree.cc (struct gt_value_expr_mark_data): New type.
	(gt_value_expr_mark_2): Don't call ggc_set_mark, instead check
	ggc_marked_p.  Treat data as gt_value_expr_mark_data * with pset
	in it rather than address of the pset itself and push to be marked
	VAR_DECLs into to_mark vec.
	(gt_value_expr_mark_1): Change argument from hash_set<tree> *
	to gt_value_expr_mark_data * and find pset in it.
	(gt_value_expr_mark): Pass to traverse_noresize address of
	gt_value_expr_mark_data object rather than hash_table<tree> and
	for all entries in the to_mark vector after the traversal call
	gt_ggc_mx.

2025-02-14  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/genopts/loongarch.opt.in: Add
	option '-maddr-reg-reg-cost='.
	* config/loongarch/loongarch-def.cc
	(loongarch_rtx_cost_data::loongarch_rtx_cost_data): Initialize
	addr_reg_reg_cost to 3.
	* config/loongarch/loongarch-opts.cc
	(loongarch_target_option_override): If '-maddr-reg-reg-cost='
	is not used, set it to the initial value.
	* config/loongarch/loongarch-tune.h
	(struct loongarch_rtx_cost_data): Add the member
	addr_reg_reg_cost and its assignment function to the structure
	loongarch_rtx_cost_data.
	* config/loongarch/loongarch.cc (loongarch_address_insns):
	Use la_addr_reg_reg_cost to set the cost of ADDRESS_REG_REG.
	* config/loongarch/loongarch.opt: Regenerate.
	* config/loongarch/loongarch.opt.urls: Regenerate.
	* doc/invoke.texi: Add description of '-maddr-reg-reg-cost='.

2025-02-14  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/118843
	* config/loongarch/loongarch-c.cc
	(loongarch_update_cpp_builtins): Fix macro definition issues.

2025-02-14  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/118828
	* config/loongarch/loongarch-c.cc (loongarch_pragma_target_parse):
	Update the predefined macros.

2025-02-14  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/loongarch-c.cc (builtin_undef): New macro.
	(loongarch_cpu_cpp_builtins): Split to loongarch_update_cpp_builtins
	and loongarch_define_unconditional_macros.
	(loongarch_def_or_undef): New functions.
	(loongarch_define_unconditional_macros): Likewise.
	(loongarch_update_cpp_builtins): Likewise.

2025-02-14  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/loongarch-target-attr.cc
	(loongarch_pragma_target_parse): Move to ...
	(loongarch_register_pragmas): Move to ...
	* config/loongarch/loongarch-c.cc
	(loongarch_pragma_target_parse): ... here.
	(loongarch_register_pragmas): ... here.
	* config/loongarch/loongarch-protos.h
	(loongarch_process_target_attr): Function Declaration.

2025-02-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90579
	* tree-ssa-forwprop.cc (simplify_bitfield_ref): Move to
	match.pd.
	(pass_forwprop::execute): Adjust.
	* match.pd (bit_field_ref (vec_perm ...)): New pattern
	modeled after simplify_bitfield_ref.
	* tree-vect-loop.cc (vect_expand_fold_left): Fold the
	element extract stmt, combining it with the vector def.

2025-02-13  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/118832
	* config/riscv/riscv-v.cc (expand_const_vector):  Expand as
	vlmax insn during lra.

2025-02-13  Marek Polacek  <polacek@redhat.com>

	PR driver/117739
	* doc/invoke.texi: Tweak wording for -Whardened.
	* gcc.cc (driver_handle_option): If -z lazy or -z norelro was
	specified, don't enable linker hardening.
	(process_command): Don't check warn_hardened.

2025-02-13  Ed Catmur  <ed@catmur.uk>
	    Jason Merrill  <jason@redhat.com>

	PR c++/70536
	* dwarf2out.cc (gen_formal_parameter_pack_die): Add name attr.

2025-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR debug/118790
	* gengtype.cc (write_roots): Remove cache variable, instead break from
	the loop on match and test o for NULL.  If the cache option has
	non-empty string argument, call the specified function with v->name
	as argument before calling gt_cleare_cache on it.
	* tree.cc (gt_value_expr_mark_2, gt_value_expr_mark_1,
	gt_value_expr_mark): New functions.
	(value_expr_for_decl): Use GTY ((cache ("gt_value_expr_mark"))) rather
	than just GTY ((cache)).
	* doc/gty.texi (cache): Document optional argument of cache option.

2025-02-13  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/114522
	* config/arm/arm-builtins.cc (arm_fold_aes_op): New function.
	(arm_general_gimple_fold_builtin): New function.
	* config/arm/arm-builtins.h (arm_general_gimple_fold_builtin): New
	prototype.
	* config/arm/arm.cc (arm_gimple_fold_builtin): Call
	arm_general_gimple_fold_builtin as needed.

2025-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR c++/118822
	PR c++/118833
	* tree-iterator.h (tsi_split_stmt_list): Declare.
	* tree-iterator.cc (tsi_split_stmt_list): New function.

2025-02-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_frame_ciev3): Remove.
	* configure, config.in: Regenerate.
	* config/sol2.cc (solaris_override_options): Remove.
	* config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
	* config/sol2-protos.h (solaris_override_options): Remove.

2025-02-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, *-*-solaris2*): Updates for newer
	Solaris 11.4 SRUs and binutils 2.44.

2025-02-13  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/118835
	* config/s390/s390.cc (s390_valid_shift_count): Reject shift
	count operands which do not trivially fit the scheme of
	address operands.

2025-02-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118817
	* tree-ssa-sccvn.cc (vn_nary_simplify): Do not process
	CONSTRUCTOR NARY or update from CONSTRUCTOR simplified
	gimple_match_op.

2025-02-12  Andrew Pinski  <quic_apinski@quicinc.com>

	PR rtl-optimization/102150
	* loop-invariant.cc (find_invariant_insn): Treat inline-asm similar to
	trapping instruction and only move them if always executed.

2025-02-12  Andrew Pinski  <quic_apinski@quicinc.com>

	PR rtl-optimization/102150
	* ifcvt.cc (cheap_bb_rtx_cost_p): Return false if the insn
	has an inline-asm in it.

2025-02-12  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.opt.urls: Add -mcall-main.

2025-02-12  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118806
	* config/avr/avr.opt (-mcall-main): New option and...
	(avropt_call_main): ...variable.
	* config/avr/avr.cc (avr_no_call_main_p): New variable.
	(avr_insert_attributes) [-mno-call-main, main]: Add attributes
	noreturn and section(".init9") to main.  Set avr_no_call_main_p.
	(avr_file_end) [avr_no_call_main_p]: Define symbol __call_main.
	* doc/invoke.texi (AVR Options) <-mno-call-main>: Document.
	<-mnodevicelib>: Extend explanation.

2025-02-12  Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/117790
	* tree-vect-loop-manip.cc (slpeel_tree_duplicate_loop_to_edge_cfg):
	Set profile counts for {main,alt}_loop_exit_block.

2025-02-12  Vineet Gupta  <vineetg@rivosinc.com>

	* config/riscv/vector.md: vncvt substitute vnsrl.
	vnsrl with x0 replace with immediate 0.
	vneg substitute vrsub.

2025-02-12  Jin Ma  <jinma@linux.alibaba.com>

	PR target/118601
	* config/riscv/riscv-string.cc (expand_block_move): Check with new
	constraint 'vl' instead of 'K'.
	(expand_vec_setmem): Likewise.
	(expand_vec_cmpmem): Likewise.
	* config/riscv/riscv-v.cc (force_vector_length_operand): Likewise.
	(expand_load_store): Likewise.
	(expand_strided_load): Likewise.
	(expand_strided_store): Likewise.
	(expand_lanes_load_store): Likewise.

2025-02-12  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/install.texi: Add missing comma after @xref to fix warning.

2025-02-12  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/extend.texi: Fix a bunch of typos and other writing bugs.
	* doc/invoke.texi: Likewise.

2025-02-12  Sandra Loosemore  <sloosemore@baylibre.com>

	* Makefile.in (TEXI_GCCINT_FILES): Remove interface.texi.
	* doc/gccint.texi (Top): Remove menu entry for the "interface" node,
	and include of interface.texi.
	* doc/interface.texi: Delete.

2025-02-12  Yangyu Chen  <cyy@cyyself.name>

	* config/riscv/riscv-feature-bits.h (RISCV_VENDOR_FEATURE_BITS_LENGTH): Drop.
	(struct riscv_vendor_feature_bits): Drop.

2025-02-11  Jeff Law  <jlaw@ventanamicro.com>

	PR target/115478
	* config/aarch64/iterators.md (any_or_plus): New code iterator.
	* config/aarch64/aarch64.md (extr<mode>5_insn): Use any_or_plus.
	(extr<mode>5_insn_alt, extrsi5_insn_uxtw): Likewise.
	(extrsi5_insn_uxtw_alt, extrsi5_insn_di): Likewise.

2025-02-11  Jason Merrill  <jason@redhat.com>

	PR c++/188574
	* doc/invoke.texi: Adjust -frange-for-ext-temps documentation.

2025-02-11  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-option-extensions.def
	(SSVE_FP8FMA): Adjust formatting.
	(FP8DOT4): Replace FP8FMA dependency with FP8.
	(SSVE_FP8DOT4): Replace SSVE_FP8FMA dependency with SME2+FP8.
	(FP8DOT2): Replace FP8DOT4 dependency with FP8.
	(SSVE_FP8DOT2): Replace SSVE_FP8DOT4 dependency with SME2+FP8.

2025-02-11  Sandra Loosemore  <sloosemore@baylibre.com>

	* omp-general.cc (omp_check_context_selector): Change
	metadirective_p argument to a 3-way flag.  Add extra check for
	OMP_CTX_BEGIN_DECLARE_VARIANT.
	* omp-general.h (enum omp_ctx_directive): New.
	(omp_check_context_selector): Adjust declaration.

2025-02-11  Sandra Loosemore  <sloosemore@baylibre.com>

	* omp-general.cc (omp_context_selector_props_compare): Handle
	arbitrary expressions in the "user" and "device_num" selectors.
	(omp_context_selector_set_compare): Detect mismatch when one
	selector specifies a score and the other doesn't.

2025-02-11  Martin Jambor  <mjambor@suse.cz>

	PR lto/118125
	* ipa-fnsummary.cc (redirect_to_unreachable): Add checking assert
	that the builtin_unreachable decl has attribute cold.

2025-02-11  David Malcolm  <dmalcolm@redhat.com>

	PR sarif-replay/118792
	* libsarifreplay.cc (sarif_replayer::handle_region_object): Fix
	off-by-one in handling of endColumn property so that the code
	matches the comment and the SARIF spec (§3.30.8).

2025-02-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118817
	* tree-ssa-pre.cc (fully_constant_expression): Fold into
	the single caller.
	(phi_translate_1): Refactor folded in fully_constant_expression.
	* tree-ssa-sccvn.cc (vn_nary_simplify): Update the NARY with
	the simplified expression.

2025-02-11  H.J. Lu  <hjl.tools@gmail.com>

	PR target/118825
	* config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Replace x with
	SYM.

2025-02-11  YunQiang Su  <syq@debian.org>

	* config.gcc: Add mips*64*-linux-muslabi64 triple support.

2025-02-11  Jie Mei  <jie.mei@oss.cipunited.com>
	    Xi Ruoyao  <xry111@xry111.site>

	* config/mips/i6400.md (i6400_fpu_minmax): Include
	fclass type.
	(i6400_fpu_fadd): Include frint type.
	* config/mips/mips.cc (AVAIL_NON_MIPS16): Add an entry
	for __builtin_mipsr6_xxx.
	(MIPSR6_BUILTIN_PURE): Same as above.
	(CODE_FOR_mipsr6_min_a_s, CODE_FOR_mipsr6_min_a_d)
	(CODE_FOR_mipsr6_max_a_s, CODE_FOR_mipsr6_max_a_d)
	(CODE_FOR_mipsr6_class_s, CODE_FOR_mipsr6_class_d):
	New code_aliasing macros.
	(mips_builtins): Add mips32r6 min_a_s, min_a_d, max_a_s,
	max_a_d, class_s, class_d builtins.
	* config/mips/mips.h (ISA_HAS_FRINT): Define a new macro.
	(ISA_HAS_FCLASS): Same as above.
	* config/mips/mips.md (UNSPEC_FRINT): New unspec.
	(UNSPEC_FCLASS): Same as above.
	(type): Add frint and fclass.
	(fmin_a_<mode>): Generates MINA.fmt instructions.
	(fmax_a_<mode>): Generates MAXA.fmt instructions.
	(rint<mode>2): Generates RINT.fmt instructions.
	(fclass_<mode>): Generates CLASS.fmt instructions.
	* config/mips/p6600.md (p6600_fpu_fadd): Include
	frint type.
	(p6600_fpu_fabs): Include fclass type.

2025-02-11  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118813
	* config/i386/avx512bwintrin.h: Fix wrong __OPTIMIZE__
	wrap.

2025-02-10  Tobias Burnus  <tburnus@baylibre.com>

	* config/gcn/mkoffload.cc (enum elf_arch_code): Add
	EF_AMDGPU_MACH_AMDGCN_NONE.
	(elf_arch): Use enum elf_arch_code as type.
	(tool_cleanup): Silence warning by removing tailing '.' from error.
	(get_arch_name): Return enum elf_arch_code.
	(check_for_missing_lib): New; print fatal error if the multilib
	is not available but it is for the associate generic ISA.
	(main): Call it.

2025-02-10  Tobias Burnus  <tburnus@baylibre.com>

	* doc/install.texi (GCN): Update section about multilibs and
	required LLVM version.

2025-02-10  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118097
	* ipa-cp.cc (ipa_get_jf_arith_result): Adjust comment.
	(ipa_get_jf_pass_through_result): Removed.
	(ipa_value_from_jfunc): Use directly ipa_get_jf_arith_result, do
	not specify operation type but make sure we check and possibly
	convert the result.
	(get_val_across_arith_op): Remove the last parameter, always pass
	NULL_TREE to ipa_get_jf_arith_result in its last argument.
	(propagate_vals_across_arith_jfunc): Do not pass res_type to
	get_val_across_arith_op.
	(propagate_vals_across_pass_through): Add checking assert that
	parm_type is not NULL.

2025-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/118623
	* config/i386/i386.md (*bt<mode>): Represent bt as
	compare:CCC of const0_rtx and zero_extract rather than
	zero_extract and const0_rtx.
	(*bt<SWI48:mode>_mask): Likewise.
	(*jcc_bt<mode>): Likewise.  Use LTU and GEU as flags test
	instead of EQ and NE.
	(*jcc_bt<mode>_mask): Likewise.
	(*jcc_bt<SWI48:mode>_mask_1): Likewise.
	(Help combine recognize bt followed by cmov splitter): Likewise.
	(*bt<mode>_setcqi): Likewise.
	(*bt<mode>_setncqi): Likewise.
	(*bt<mode>_setnc<mode>): Likewise.
	(*bt<mode>_setncqi_2): Likewise.
	(*bt<mode>_setc<mode>_mask): Likewise.

2025-02-09  Dario Gjorgjevski  <dario.gjorgjevski@gmail.com>

	PR middle-end/117263
	* genautomata.cc (output_statistics): Avoid set but unnused warnings
	when compiling with NDEBUG.

2025-02-09  Jeff Law  <jlaw@ventanamicro.com>

	PR target/118146
	* config/riscv/riscv.cc (riscv_legitimize_move): Handle subreg
	of vector source better to avoid ICE.

2025-02-08  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118764
	* doc/invoke.texi (AVR Options): Fix typos.

2025-02-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/gcn/gcn.md (exception_receiver): 'define_expand'.
	* config/nvptx/nvptx.md (exception_receiver): Likewise.

2025-02-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Clarify that
	effective-target 'exceptions' and 'exceptions_enabled' are
	orthogonal.

2025-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/118776
	* config/i386/sse.md (<code><mode>3_mask): Use VI1248_AVX512VLBW
	iterator rather than VI48_AVX512VL.
	(<mask_codefor><code><mode>3<mask_name>): Rename to ...
	(*avx512bw_<code><mode>3<mask_name>): ... this.  Use
	nonimmediate_operand rather than register_operand predicate and %v
	rather than v constraint for operand 1 and adjust condition to reject
	MEMs in both operand 1 and 2.

2025-02-07  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/114522
	* config/aarch64/aarch64-builtins.cc (aarch64_fold_aes_op): New function.
	(aarch64_general_gimple_fold_builtin): Call aarch64_fold_aes_op for crypto_aese
	and crypto_aesd.

2025-02-07  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (file_cache::m_line_recent,
	m_line_recent_first, m_line_recent_last): Add.
	(file_cache_slot::evict): Clear new fields.
	(file_cache_slot::create): Clear new fields.
	(file_cache_slot::file_cache_slot): Initialize new fields.
	(file_cache_slot::~file_cache_slot): Release m_line_recent.
	(file_cache_slot::get_next_line): Maintain ring buffer of lines
	in m_line_recent.
	(file_cache_slot::read_line_num): Use m_line_recent to look up
	recent lines quickly.

2025-02-07  Richard Earnshaw  <rearnsha@arm.com>

	PR target/118089
	* config/arm/arm.cc (arm_emit_multi_reg_pop): Restructure.
	Don't emit LDR on thumb2 when POP can be used for smaller code.
	Don't add a CFA adjust note when SP is popped off the stack.

2025-02-07  Richard Earnshaw  <rearnsha@arm.com>

	PR target/118089
	* config/arm/arm.cc (arm_emit_multi_reg_pop): Add a CFA adjust
	note to single-register POP instructions.

2025-02-07  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/116244
	* ira-build.cc (create_insn_allocnos): Do not restrict the check for
	subreg uses to allocno creation time.  Do it for all uses.

2025-02-07  Richard Biener  <rguenther@suse.de>

	PR jit/118780
	* system.h: Check INCLUDE_DLFCN_H for including dlfcn.h instead
	of ENABLE_PLUGIN.
	* plugin.cc: Define INCLUDE_DLFCN_H.

2025-02-07  Pan Li  <pan2.li@intel.com>

	PR target/118103
	* config/riscv/riscv.cc (riscv_conditional_register_usage): Add
	the VXRM as the global_regs.

2025-02-07  Andrew Pinski  <quic_apinski@quicinc.com>

	PR target/118771
	* config/aarch64/aarch64.cc (aarch64_split_move): Assert that npieces is
	greater than 0.

2025-02-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/115538
	* tree-vectorizer.h (vect_get_slp_scalar_def): Declare.
	* tree-vect-slp.cc (vect_get_slp_scalar_def): New helper.
	* tree-vect-generic.cc (expand_vector_conversion): Adjust.
	* tree-vect-stmts.cc (vectorizable_conversion): For SLP
	correctly look at ranges of the scalar defs of the SLP operand.
	(supportable_indirect_convert_operation): Likewise.

2025-02-07  Tobias Burnus  <tburnus@baylibre.com>

	* config/gcn/gcn.cc (gcn_hsa_declare_function_name): Update
	'amdhsa.version' output to match used code version.
	* config/gcn/gen-gcn-device-macros.awk: Add a comment to
	crosslink.

2025-02-07  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.md
	(*sel<code><GPR:mode>_using_<GPR2:mode>): Rename to ...
	(*sel<code><GPR:mode>_using_<X:mode>): ... here.
	(GPR2): Remove as nothing uses it now.

2025-02-07  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118514
	PR tree-optimization/118706
	* gimple-fold.cc (decode_field_reference): Refuse to consider
	merging out-of-bounds BIT_FIELD_REFs.
	(make_bit_field_load): Drop too-strict assert.
	* tree-eh.cc (bit_field_ref_in_bounds_p): Rename to...
	(access_in_bounds_of_type_p): ... this.  Change interface,
	export.
	(tree_could_trap_p): Adjust.
	* tree-eh.h (access_in_bounds_of_type_p): Declare.

2025-02-07  Tobias Burnus  <tburnus@baylibre.com>

	* config/gcn/gcn-devices.def (GCN_DEVICE): Add gfx9-generic,
	gfx902, gfx904, gfx909, gfx1031, gfx1032, gfx1033, gfx1034,
	gfx1035, gfx1101, gfx1102, gfx1150, gfx1151, gfx1152, and gfx1153.
	Add a currently unused column linking, a specific ISA to a generic
	one (if it exists).
	* config/gcn/gcn-tables.opt: Regenerate
	* doc/invoke.texi (AMD GCN): Add the the new gfc... and the older
	gfx{10-3,11}-generic to -march= as 'experimental'.

2025-02-07  Tobias Burnus  <tburnus@baylibre.com>

	* config/gcn/gcn-devices.def (GCN_DEVICE): Change sramecc for
	gfx906 to 'any'.
	* config/gcn/gcn.cc (GCN_DEVICE): Add tailing ... to #define.

2025-02-07  H.J. Lu  <hjl.tools@gmail.com>

	PR rtl-optimization/111673
	PR rtl-optimization/115932
	PR rtl-optimization/116028
	PR rtl-optimization/117081
	PR rtl-optimization/117082
	PR rtl-optimization/118497
	* ira-color.cc (assign_hard_reg): Call the target hook for the
	callee-saved register cost scale in epilogue and prologue.
	* target.def (ira_callee_saved_register_cost_scale): New target
	hook.
	* targhooks.cc (default_ira_callee_saved_register_cost_scale):
	New.
	* targhooks.h (default_ira_callee_saved_register_cost_scale):
	Likewise.
	* config/i386/i386.cc (ix86_ira_callee_saved_register_cost_scale):
	New.
	(TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE): Likewise.
	* doc/tm.texi: Regenerated.
	* doc/tm.texi.in (TARGET_IRA_CALLEE_SAVED_REGISTER_COST_SCALE):
	New.

2025-02-06  Craig Blackmore  <craig.blackmore@embecosm.com>

	* config/riscv/riscv.md: Move UNSPEC_SSP_SET and UNSPEC_SSP_TEST
	to unspec enum.

2025-02-06  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.opt.urls: Add mcvt.

2025-02-06  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/118756
	* tree-ssa-loop-ivopts.cc (contain_complex_addr_expr): Remove.

2025-02-06  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118764
	* config/avr/avr.opt (-mcvt): New target option.
	* config/avr/avr-arch.h (AVR_CVT): New enum value.
	* config/avr/avr-mcus.def: Add AVR_CVT flag for devices that
	support it.
	* config/avr/avr.cc (avr_handle_isr_attribute) [TARGET_CVT]: Issue
	an error when a vector number larger that 3 is used.
	* config/avr/gen-avr-mmcu-specs.cc (McuInfo.have_cvt): New property.
	(print_mcu) <*avrlibc_startfile>: Use crt<mcu>-cvt.o depending
	on -mcvt (or issue an error when the device doesn't support a CVT).
	* doc/invoke.texi (AVR Options): Document -mcvt.

2025-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/117506
	* loop-iv.cc (get_biv_step_1): For {ZERO,SIGN}_EXTEND
	of PLUS apply {ZERO,SIGN}_EXTEND to op1.

2025-02-06  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118768
	* config/avr/genmultilib.awk: Parse the AVR_MCU lines in
	a more robust way w.r.t. white spaces.

2025-02-06  Lulu Cheng  <chenglulu@loongson.cn>

	PR target/118561
	* config/loongarch/loongarch-builtins.cc
	(loongarch_expand_builtin_lsx_test_branch):
	NULL_RTX will not be returned when an error is detected.
	(loongarch_expand_builtin): Likewise.

2025-02-06  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/110449
	* tree-ssa-loop-manip.h (insert_iv_increment): Declare.
	* tree-ssa-loop-manip.cc (insert_iv_increment): New function,
	split out from...
	(create_iv): ...here and generalized to gimple_seqs.
	* tree-vect-loop.cc (vectorizable_induction): Use
	standard_iv_increment_position and insert_iv_increment
	to insert the IV increment.

2025-02-06  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/117922
	* fold-mem-offsets.cc (pass_fold_mem_offsets::execute):
	Do nothing for a highly connected CFG.

2025-02-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118749
	* tree-vect-data-refs.cc (vector_alignment_reachable_p): Pass
	in the vectorization factor, when that cannot maintain
	the DRs target alignment do not claim we can reach that
	by peeling.

2025-02-05  Jeff Law  <jlaw@ventanamicro.com>

	* config/bfin/bfin.md (abssi): Disable pattern.

2025-02-05  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/115568
	* lra-remat.cc (create_cands): Check that output reload insn is
	adjacent to given insn.  Update a comment.

2025-02-05  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_insn_cost): Give PARALLELs
	the same cost as the costliest SET.

2025-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/117239
	* cselib.cc (cselib_init): Remove spurious closing paren in
	the #ifdef STACK_ADDRESS_OFFSET specific code.

2025-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/117239
	* cselib.cc: Include predict.h.
	(callmem): Change type from rtx to rtx[2].
	(cselib_preserve_only_values): Use callmem[0] rather than callmem.
	(cselib_invalidate_mem): Optimize and don't try to invalidate
	for the mem_rtx == callmem[1] case MEMs which clearly can't be
	below the stack pointer.
	(cselib_process_insn): Use callmem[0] rather than callmem.
	For const/pure calls also call cselib_invalidate_mem (callmem[1])
	in !ACCUMULATE_OUTGOING_ARGS or cfun->calls_alloca functions.
	(cselib_init): Initialize callmem[0] rather than callmem and also
	initialize callmem[1].

2025-02-05  Richard Earnshaw  <rearnsha@arm.com>

	PR target/118089
	* config/arm/arm.cc (thumb2_expand_return): Use LDM SP!, {PC}
	when optimizing for size, or when there's no performance benefit over
	LDR PC, [SP], #4.
	(arm_expand_epilogue): Likewise.

2025-02-05  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.md (*pop_multiple_with_writeback_and_return): Remove
	constraints.  Don't validate the first transfer register here.

2025-02-05  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.cc (decompose_addr_for_ldm_stm): New function.
	(ldm_stm_operation_p): Rework to clarify logic.  Allow single
	registers to be pushed or popped using LDM/STM.

2025-02-05  Xi Ruoyao  <xry111@xry111.site>

	PR tree-optimization/118727
	* tree-vect-patterns.cc (vect_recog_sad_pattern): Don't call
	vect_look_through_possible_promotion on ABD inputs.

2025-02-05  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/t-rtems: Add Cortex-M33 multilib.

2025-02-04  Andi Kleen  <ak@gcc.gnu.org>

	* doc/invoke.texi: Document file cache tunables.
	* params.opt: Move auto tuning description to lines.

2025-02-04  Ilya Leoshkevich  <iii@linux.ibm.com>

	* config/s390/s390.cc (print_operand): Remove the no longer
	necessary 31-bit and weak symbol handling.
	* config/s390/s390.md (*movdi_64): Do not use @PLT with larl.
	(*movsi_larl): Likewise.
	(main_base_64): Likewise.
	(reload_base_64): Likewise.

2025-02-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/117113
	* gimple-loop-jam.cc (unroll_jam_possible_p): Detect when
	we cannot handle virtual SSA update.

2025-02-04  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/116926
	* optabs-query.cc (find_widening_optab_handler_and_mode): Fix
	limit for `vec-mode -> scalar-mode` case.

2025-02-04  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/117611
	* combine.cc (simplify_shift_const_1): Bail if not
	scalar int mode.

2025-02-04  Richard Biener  <rguenther@suse.de>

	PR lto/113207
	* ipa-free-lang-data.cc (free_lang_data_in_type): First drop
	const/volatile qualifiers from function argument types,
	then build a simplified type.

2025-02-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*sibcall_pop_memory):
	Disable for TARGET_INDIRECT_BRANCH_REGISTER
	* config/i386/predicates.md (call_insn_operand): Enable when
	"satisfies_constraint_Bw (op)" is true, instead of open-coding
	constraint here.
	(sibcall_insn_operand): Ditto with "satisfies_constraint_Bs (op)"

2025-02-03  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_choose_vector_init_constant):
	New function, split out from...
	(aarch64_expand_vector_init_fallback): ...here.  Use a bit-
	reversed increment to find a constant index.  Add support for
	stepped constants.

2025-02-03  John David Anglin  <danglin@gcc.gnu.org>

	PR rtl-optimization/117248
	* config/pa/predicates.md (r25_operand): New predicate.
	(r26_operand): Likewise.
	* config/pa/pa.md: Use match_operand for r25 and r26 hard
	register operands in mult, div, udiv, mod and umod millicode
	patterns.

2025-02-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118717
	* tree-ssa-phiopt.cc (cond_if_else_store_replacement_1):
	Do not common stores referencing abnormal SSA names.
	* tree-ssa-sink.cc (sink_common_stores_to_bb): Likewise.

2025-02-03  Andi Kleen  <ak@gcc.gnu.org>

	* input.cc (check_line): New.
	(test_replacement): New function to test line caching.
	(input_cc_tests): Call test_replacement

2025-02-03  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (file_cache_slot::get_next_line): Implement
	dynamic sizing of m_line_record based on input length.
	* params.opt: (param_file_cache_lines): Set to 0 to size
	dynamically.

2025-02-03  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (total_lines_num): Remove.
	(file_cache_slot::evict): Ditto.
	(file_cache_slot::create): Ditto.
	(file_cache_slot::set_content): Ditto.
	(file_cache_slot::file_cache_slot): Ditto.
	(file_cache_slot::dump): Ditto.

2025-02-03  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (file_cache_slot::get_next_line): Use new algorithm
	to maintain
	(file_cache_slot::read_line_num): Use binary search for lookup.

2025-02-03  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (file_cache::tune): New function.
	* input.h (class file_cache): Make tunables non const.
	* params.opt: Add new tunables.
	* toplev.cc (toplev::main): Initialize input buffer context
	tunables.

2025-02-02  Gaius Mulley  <gaiusmod2@gmail.com>

	PR modula2/117411
	* doc/gm2.texi (Exception handling): New section.
	(The ISO system module): Add description of COFF_T.
	(Assembler language): Tidy up last sentance.

2025-02-02  Lewis Hyatt  <lhyatt@gmail.com>

	PR middle-end/115913
	* optc-save-gen.awk (cl_optimization_compare): Skip options with
	CL_WARNING flag.

2025-02-01  H.J. Lu  <hjl.tools@gmail.com>

	PR target/118713
	* config/i386/i386-expand.cc (ix86_expand_call): Change "if
	(TARGET_X32 ...)" back to "else if (TARGET_X32 ...)".

2025-02-01  H.J. Lu  <hjl.tools@gmail.com>

	PR target/118713
	* config/i386/constraints.md (Bs): Always disable if
	TARGET_INDIRECT_BRANCH_REGISTER is true.
	(Bw): Likewise.
	* config/i386/i386-expand.cc (ix86_expand_call): Force indirect
	call via register for x32 GOT slot call if
	TARGET_INDIRECT_BRANCH_REGISTER is true.
	* config/i386/i386-protos.h (ix86_nopic_noplt_attribute_p): New.
	* config/i386/i386.cc (ix86_nopic_noplt_attribute_p): Make it
	global.
	* config/i386/i386.md (*call_got_x32): Disable indirect call via
	memory for TARGET_INDIRECT_BRANCH_REGISTER.
	(*call_value_got_x32): Likewise.
	(*sibcall_value_pop_memory): Likewise.
	* config/i386/predicates.md (constant_call_address_operand):
	Return false if both TARGET_INDIRECT_BRANCH_REGISTER and
	ix86_nopic_noplt_attribute_p are true.

2025-02-01  David Malcolm  <dmalcolm@redhat.com>

	* libsarifreplay.cc (sarif_replayer::handle_run_obj): Pass run to
	handle_result_obj.
	(sarif_replayer::handle_result_obj): Add run_obj param and pass it
	to handle_location_object and handle_thread_flow_object.
	(sarif_replayer::handle_thread_flow_object): Add run_obj param and
	pass it to handle_thread_flow_location_object.
	(sarif_replayer::handle_thread_flow_location_object): Add run_obj
	param and pass it to handle_location_object.
	(sarif_replayer::handle_location_object): Add run_obj param and
	pass it to handle_logical_location_object.
	(sarif_replayer::handle_logical_location_object): Add run_obj
	param.  If the run_obj is non-null and has "logicalLocations",
	then use these "cached" logical locations if we see an "index"
	property, as per §3.33.3

2025-02-01  Jeff Law  <jlaw@ventanamicro.com>

	PR tree-optimization/114277
	* match.pd (a * (a || b) -> a): New pattern.
	(a * !(a || b) -> 0): Likewise.

2025-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/117432
	* ipa-icf-gimple.cc (func_checker::compare_asm_inputs_outputs):
	Also return_false if operands have incompatible types.
	(func_checker::compare_gimple_call): Check fntype1 vs. fntype2
	compatibility for all non-internal calls and assume fntype1 and
	fntype2 are non-NULL for those.  For calls to non-prototyped
	calls or for stdarg_p functions after the last named argument (if any)
	check type compatibility of call arguments.

2025-01-31  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/116234
	* lra-constraints.cc (multiple_insn_refs_p): New function.
	(curr_insn_transform): Use it.

2025-01-31  Richard Biener  <rguenther@suse.de>

	PR debug/100530
	* dwarf2out.cc (modified_type_die): Do not claim we handle
	address-space qualification with dwarf_qual_info[].

2025-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118689
	PR modula2/115032
	* tree-ssa-loop-niter.cc (build_cltz_expr): Return NULL_TREE if fn is
	NULL and use_ifn is false.

2025-01-31  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.cc (vect_analyze_loop_operations): Only
	call vectorizable_lc_phi when not PURE_SLP.
	(vectorizable_reduction): Do not claim having handled
	the inner loop LC PHI for outer loop vectorization.

2025-01-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/builtins.def (STRLEN_FLASH, STRLEN_FLASHX)
	(STRLEN_MEMX): New DEF_BUILTIN's.
	* config/avr/avr.cc (avr_ftype_strlen): New static function.
	(avr_builtin_supported_p): New built-ins are not for AVR_TINY.
	(avr_init_builtins) <strlen_flash_node, strlen_flashx_node,
	strlen_memx_node>: Provide new fntypes.
	(avr_fold_builtin) [AVR_BUILTIN_STRLEN_FLASH]
	[AVR_BUILTIN_STRLEN_FLASHX, AVR_BUILTIN_STRLEN_MEMX]: Fold if
	possible.
	* doc/extend.texi (AVR Built-in Functions): Document
	__builtin_avr_strlen_flash, __builtin_avr_strlen_flashx,
	__builtin_avr_strlen_memx.

2025-01-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/builtins.def (AVR_FIRST_C_ONLY_BUILTIN_ID): New macro.
	* config/avr/avr-protos.h (avr_builtin_supported_p): New.
	* config/avr/avr.cc (avr_builtin_supported_p): New function.
	(avr_init_builtins): Only provide a built-in when it is supported.
	* config/avr/avr-c.cc (avr_cpu_cpp_builtins): Only define the
	__BUILTIN_AVR_<NAME> build-in defines when the associated built-in
	function is supported.
	* doc/extend.texi (AVR Built-in Functions): Add a note that
	following built-ins are supported for only for GNU-C.

2025-01-30  Jakub Jelinek  <jakub@redhat.com>
	    Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/118696
	* config/s390/vector.md (*vec_cmpgt<mode><mode>_nocc_emu,
	*vec_cmpgtu<mode><mode>_nocc_emu): Duplicate the first rather than
	second V2DImode element.

2025-01-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/118695
	* expr.cc (expand_expr_real_1): When expanding a MEM_REF
	to a non-MEM by committing it to a stack temporary make
	sure to handle misaligned accesses correctly.

2025-01-30  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): For OpenMP's append_args clause
	processed by 'omp dispatch', update for internal-representation
	changes; fix handling of hidden arguments, add some comments and
	handle Fortran's value dummy and optional/pointer/allocatable actual
	args.

2025-01-30  Richard Biener  <rguenther@suse.de>

	PR middle-end/118692
	* expr.cc (expand_expr_real_1): When expanding a MEM_REF
	as BIT_FIELD_REF avoid large offsets for accesses not
	overlapping the base object.

2025-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/114052
	* tree-ssa-loop-niter.cc (maybe_lower_iteration_bound): Check
	for infinite subloops we might not exit.

2025-01-30  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/118320
	* pair-fusion.cc (pair_fusion_bb_info::fuse_pair): Commonize
	the merge of input_uses and return early if it fails.

2025-01-29  Gaius Mulley  <gaiusmod2@gmail.com>

	PR modula2/118010
	PR modula2/118183
	PR modula2/116073
	* doc/gm2.texi (-fm2-file-offset-bits=): Change the default size
	description to CSSIZE_T.
	Add COFF_T to the list of data types exported by SYSTEM.def.

2025-01-29  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/118429
	* pair-fusion.cc (latest_hazard_before): Add an extra parameter
	to say whether the instruction is a load or a store.  If the
	instruction is not a load or store and has memory side effects,
	prevent it from being moved earlier.
	(pair_fusion::find_trailing_add): Update call accordingly.
	(pair_fusion_bb_info::fuse_pair): If the trailng addition had
	a memory side-effect, use a tombstone to preserve it.

2025-01-29  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (*negsi2.libgcc): New insn.

2025-01-29  Yoshinori Sato  <ysato@users.sourceforge.jp>

	* config/rx/constraints.md (Q): Also check that the address
	passes rx_is_restricted_memory-address.

2025-01-29  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118505
	* gimple-ssa-split-paths.cc (poor_ifcvt_pred): Return
	true for trapping statements.

2025-01-29  Andrew Pinski  <quic_apinski@quicinc.com>

	* gimple-ssa-split-paths.cc (poor_ifcvt_candidate_code): Remove CALL_EXPR handling.

2025-01-29  Martin Jambor  <mjambor@suse.cz>
	    Michal Jireš  <mjires@suse.cz>

	PR tree-optimization/117892
	* tree-ssa-dse.cc (dse_optimize_call): Leave control-altering
	noreturn calls alone.

2025-01-29  Pan Li  <pan2.li@intel.com>

	PR target/117688
	* config/riscv/riscv.cc (riscv_expand_sstrunc): Leverage the helper
	riscv_extend_to_xmode_reg with SIGN_EXTEND.

2025-01-29  Pan Li  <pan2.li@intel.com>

	PR target/117688
	* config/riscv/riscv.cc (riscv_expand_sssub): Leverage the helper
	riscv_extend_to_xmode_reg with SIGN_EXTEND.

2025-01-29  Pan Li  <pan2.li@intel.com>

	PR target/117688
	* config/riscv/riscv.cc (riscv_expand_ssadd): Leverage the helper
	riscv_extend_to_xmode_reg with SIGN_EXTEND.

2025-01-29  Pan Li  <pan2.li@intel.com>

	* config/riscv/riscv.cc (riscv_gen_zero_extend_rtx): Rename from ...
	(riscv_extend_to_xmode_reg): Rename to and add rtx_code for
	zero/sign extend if non-Xmode.
	(riscv_expand_usadd): Leverage the renamed function with ZERO_EXTEND.
	(riscv_expand_ussub): Ditto.

2025-01-29  Richard Biener  <rguenther@suse.de>

	PR middle-end/118684
	* expr.cc (expand_expr_real_1): When creating a stack local
	during expansion of a handled component, when the base is
	a SSA_NAME use its type alignment and avoid calling
	get_object_alignment.

2025-01-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/118684
	* expr.cc (expand_expr_real_1): When expanding a reference
	based on a register and we end up needing a MEM make sure
	that's aligned as the original reference required.

2025-01-28  David Malcolm  <dmalcolm@redhat.com>

	* input.cc (file_cache_slot::dump): Show indices within
	m_line_record when dumping entries.

2025-01-28  David Malcolm  <dmalcolm@redhat.com>

	PR other/118675
	* diagnostic-format-sarif.cc: Define INCLUDE_STRING.
	(escape_braces): New.
	(set_string_property_escaping_braces): New.
	(sarif_builder::make_message_object): Escape braces in the "text"
	property.
	(sarif_builder::make_message_object_for_diagram): Likewise, and
	for the "markdown" property.
	(sarif_builder::make_multiformat_message_string): Likewise for the
	"text" property.
	(xelftest::test_message_with_braces): New.
	(selftest::diagnostic_format_sarif_cc_tests): Call it.

2025-01-28  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/117270
	* tree-vect-slp.cc (vectorizable_slp_permutation_1): Make nperms
	account for the number of times that each permutation will be used
	during transformation.

2025-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/112859
	* tree-loop-distribution.cc
	(loop_distribution::pg_add_dependence_edges): Add comment.

2025-01-28  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/118663
	* lra-constraints.cc (invalid_mode_reg_p): Check empty
	reg_class_contents.

2025-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/117424
	* tree-eh.cc (tree_could_trap_p): Verify the base is
	fully contained within a decl.

2025-01-28  Thomas Schwinge  <tschwinge@baylibre.com>

	* tree-pretty-print.cc (dump_omp_clause): Clarify
	'OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P'.

2025-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/118638
	* combine.cc (make_extraction): Only optimize (mult x 2^n) if len is
	larger than 1.

2025-01-28  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vect-slp.cc (vectorizable_slp_permutation_1): Remove
	extra newline from dump message.

2025-01-28  Jeff Law  <jlaw@ventanamicro.com>

	PR target/114085
	* config/h8300/constraints.md (U): No longer accept REGs.
	* config/h8300/logical.md (andqi3_2): Use "rU" rather than "U".
	(andqi3_2_clobber_flags, andqi3_1, <code>qi3_1): Likewise.
	* config/h8300/testcompare.md (tst_extzv_1_n): Likewise.

2025-01-27  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/117173
	* config/riscv/riscv-v.cc (shuffle_generic_patterns): Only
	support single-source permutes by default.
	* config/riscv/riscv.opt: New param "riscv-two-source-permutes".

2025-01-27  John David Anglin  <danglin@gcc.gnu.org>

	PR c++/116524
	* configure.ac: Check for munmap and msync.
	* configure: Regenerate.
	* config.in: Regenerate.

2025-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118653
	* tree-vect-loop.cc (vectorizable_live_operation): Also allow
	out-of-loop debug uses.

2025-01-27  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/118662
	* combine.cc (try_combine): When re-materializing a load
	from an extended reg by a lowpart subreg make sure we're
	not dealing with vector or complex modes.

2025-01-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/118643
	* expr.cc (expand_expr_real_1): Avoid falling back to BIT_FIELD_REF
	expansion for negative offset.

2025-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/112859
	PR tree-optimization/115347
	* tree-loop-distribution.cc
	(loop_distribution::pg_add_dependence_edges): For a zero
	distance vector still make sure to not have an inner
	loop with zero distance.

2025-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118637
	* match.pd: Canonicalize unsigned division by power of two to
	right shift.

2025-01-27  Soumya AR  <soumyaa@nvidia.com>

	PR target/118490
	* match.pd: Added ! to verify that log/exp (CST) can be constant folded.

2025-01-26  Ilya Leoshkevich  <iii@linux.ibm.com>

	* asan.cc (asan_emit_stack_protection): Always zero the flag
	unless it is cleared by the __asan_stack_free_N() libcall.

2025-01-26  Pan Li  <pan2.li@intel.com>

	PR target/118103
	* config/riscv/riscv.cc (riscv_conditional_register_usage): Add
	the FRM as the global_regs.

2025-01-25  Andi Kleen  <ak@gcc.gnu.org>

	PR preprocessor/118168
	* input.cc (file_cache_slot::m_error): New field.
	(file_cache_slot::create): Clear m_error.
	(file_cache_slot::file_cache_slot): Clear m_error.
	(file_cache_slot::read_data): Set m_error on error.
	(file_cache_slot::get_next_line): Use m_error instead of ferror.

2025-01-25  Jeff Law  <jlaw@ventanamicro.com>

	PR target/116256
	* config/riscv/riscv.md (mvconst_internal): Reject single bit
	constants.
	* config/riscv/riscv.cc (riscv_gen_zero_extend_rtx): Improve
	handling constants.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V9_5A): Add CPA.
	* config/aarch64/aarch64-option-extensions.def (CPA): New.
	* doc/invoke.texi: Document +cpa.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* doc/invoke.texi: Add +wfxt and +xs to armv9.2-a

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V9_5A): New.
	* doc/invoke.texi: Document armv9.5-a option.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc: Assert that CRYPTO
	bit is not set.
	* config/aarch64/aarch64-feature-deps.h
	(info<FEAT>.explicit_on): Unset CRYPTO bit.
	(cpu_##CORE_IDENT): Ditto.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(aarch64_rewrite_selected_cpu): Refactor and inline into...
	(aarch64_rewrite_mcpu): this.
	* config/aarch64/aarch64-protos.h
	(aarch64_rewrite_selected_cpu): Delete.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(aarch64_get_arch_string_for_assembler): New.
	(aarch64_rewrite_march): New.
	(aarch64_rewrite_selected_cpu): Call new function.
	* config/aarch64/aarch64-elf.h (ASM_SPEC): Remove identity mapping.
	* config/aarch64/aarch64-protos.h
	(aarch64_get_arch_string_for_assembler): New.
	* config/aarch64/aarch64.cc
	(aarch64_declare_function_name): Call new function.
	(aarch64_start_file): Ditto.
	* config/aarch64/aarch64.h
	(EXTRA_SPEC_FUNCTIONS): Use new macro name.
	(MCPU_TO_MARCH_SPEC): Rename to...
	(MARCH_REWRITE_SPEC): ...this, and extend the spec rule.
	(aarch64_rewrite_march): New declaration.
	(MCPU_TO_MARCH_SPEC_FUNCTIONS): Rename to...
	(AARCH64_BASE_SPEC_FUNCTIONS): ...this, and add new function.
	(ASM_CPU_SPEC): Use new macro name.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(aarch64_get_all_extension_candidates): Inline into...
	(aarch64_print_hint_for_extensions): ...this.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(aarch64_get_all_extension_candidates): Move within file.
	(aarch64_print_hint_candidates): Move from aarch64.cc.
	(aarch64_print_hint_for_extensions): Ditto.
	(aarch64_print_hint_for_arch): Ditto.
	(aarch64_print_hint_for_core): Ditto.
	(enum aarch_parse_opt_result): Ditto.
	(aarch64_parse_arch): Ditto.
	(aarch64_parse_cpu): Ditto.
	(aarch64_parse_tune): Ditto.
	(aarch64_validate_march): Ditto.
	(aarch64_validate_mcpu): Ditto.
	(aarch64_validate_mtune): Ditto.
	* config/aarch64/aarch64-protos.h
	(aarch64_rewrite_selected_cpu): Move within file.
	(aarch64_print_hint_for_extensions): Share function prototype.
	(aarch64_print_hint_for_arch): Ditto.
	(aarch64_print_hint_for_core): Ditto.
	(enum aarch_parse_opt_result): Ditto.
	(aarch64_validate_march): Ditto.
	(aarch64_validate_mcpu): Ditto.
	(aarch64_validate_mtune): Ditto.
	(aarch64_get_all_extension_candidates): Unshare prototype.
	* config/aarch64/aarch64.cc
	(aarch64_parse_arch): Move to aarch64-common.cc.
	(aarch64_parse_cpu): Ditto.
	(aarch64_parse_tune): Ditto.
	(aarch64_print_hint_candidates): Ditto.
	(aarch64_print_hint_for_core): Ditto.
	(aarch64_print_hint_for_arch): Ditto.
	(aarch64_print_hint_for_extensions): Ditto.
	(aarch64_validate_mcpu): Ditto.
	(aarch64_validate_march): Ditto.
	(aarch64_validate_mtune): Ditto.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64.cc
	(aarch64_print_hint_candidates): New helper function.
	(aarch64_print_hint_for_core_or_arch): Inline into callers.
	(aarch64_print_hint_for_core): Inline callee and use new helper.
	(aarch64_print_hint_for_arch): Ditto.
	(aarch64_print_hint_for_extensions): Use new helper.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64.cc
	(aarch64_print_hint_for_extensions): Receive string as a char *.
	(aarch64_parse_arch): Don't return a const struct processor *.
	(aarch64_parse_cpu): Ditto.
	(aarch64_parse_tune): Ditto.
	(aarch64_validate_mtune): Ditto.
	(aarch64_validate_mcpu): Ditto, and use temporary variables for
	march/mcpu cross-check.
	(aarch64_validate_march): Ditto.
	(aarch64_override_options): Adjust for changed parameter types.
	(aarch64_handle_attr_arch): Ditto.
	(aarch64_handle_attr_cpu): Ditto.
	(aarch64_handle_attr_tune): Ditto.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(struct aarch64_option_extension): Rename to..
	(struct aarch64_extension_info): ...this.
	(all_extensions): Update type name.
	(struct arch_to_arch_name): Rename to...
	(struct aarch64_arch_info): ...this, and rename name field.
	(all_architectures): Update type names, and move before...
	(struct processor_name_to_arch): ...this. Rename to...
	(struct aarch64_processor_info): ...this, rename name field and
	add cpu field.
	(all_cores): Update type name, and set new field.
	(aarch64_parse_extension): Update names.
	(aarch64_get_all_extension_candidates): Ditto.
	(aarch64_rewrite_selected_cpu): Ditto.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* common/config/aarch64/aarch64-common.cc
	(all_cores): Remove explicit generic entry.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-opts.h
	(enum aarch64_processor): Rename to...
	(enum aarch64_cpu): ...this, and rename the entries.
	* config/aarch64/aarch64.cc
	(aarch64_type): Rename type and initial value.
	(struct processor): Rename member types.
	(all_architectures): Rename enum members.
	(all_cores): Ditto.
	(aarch64_get_tune_cpu): Rename type and enum member.
	* config/aarch64/aarch64.h (enum target_cpus): Remove.
	(TARGET_CPU_DEFAULT): Rename default value.
	(aarch64_tune): Rename type.
	* config/aarch64/aarch64.opt:
	(selected_tune): Rename type and default value.

2025-01-24  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64.cc (aarch64_override_options): Compare
	returned feature masks directly.

2025-01-24  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/118497
	* ira-int.h (target_ira_int): Add x_ira_hard_regno_nrefs.
	(ira_hard_regno_nrefs): New macro.
	* ira.cc (setup_hard_regno_aclass): Remove unused code.  Modify
	the comment.
	(setup_hard_regno_nrefs): New function.
	(ira): Call it.
	* ira-color.cc (calculate_saved_nregs): Check
	ira_hard_regno_nrefs.

2025-01-24  yxj-github-437  <2457369732@qq.com>

	* config/aarch64/aarch64.cc (aarch64_build_builtin_va_list): Mark
	__builtin_va_list as TREE_PUBLIC.
	* config/arm/arm.cc (arm_build_builtin_va_list): Likewise.

2025-01-24  David Malcolm  <dmalcolm@redhat.com>

	PR sarif-replay/117670
	* Makefile.in (SARIF_REPLAY_INSTALL_NAME): New.
	(install-libgdiagnostics): Use it,and exeext, rather than just
	sarif-replay.

2025-01-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/116010
	* tree-data-ref.cc (contains_ssa_ref_p_1): New function.
	(contains_ssa_ref_p): Likewise.
	(dr_may_alias_p): Avoid treating unanalyzed base parts without
	SSA reference conservatively.

2025-01-24  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390.h (S390_TDC_POSITIVE_ZERO): Remove.
	(S390_TDC_NEGATIVE_ZERO): Remove.
	(S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): Remove.
	(S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): Remove.
	(S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): Remove.
	(S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): Remove.
	(S390_TDC_POSITIVE_INFINITY): Remove.
	(S390_TDC_NEGATIVE_INFINITY): Remove.
	(S390_TDC_POSITIVE_QUIET_NAN): Remove.
	(S390_TDC_NEGATIVE_QUIET_NAN): Remove.
	(S390_TDC_POSITIVE_SIGNALING_NAN): Remove.
	(S390_TDC_NEGATIVE_SIGNALING_NAN): Remove.
	(S390_TDC_POSITIVE_DENORMALIZED_DFP_NUMBER): Remove.
	(S390_TDC_NEGATIVE_DENORMALIZED_DFP_NUMBER): Remove.
	(S390_TDC_POSITIVE_NORMALIZED_DFP_NUMBER): Remove.
	(S390_TDC_NEGATIVE_NORMALIZED_DFP_NUMBER): Remove.
	(S390_TDC_SIGNBIT_SET): Remove.
	(S390_TDC_INFINITY): Remove.
	* config/s390/s390.md (signbit<mode>2<tf_fpr>): Merge this one
	(isinf<mode>2<tf_fpr>): and this one into
	(<TDC_CLASS:tdc_insn><mode>2<tf_fpr>): new expander.
	(isnormal<mode>2<tf_fpr>): New BFP expander.
	(isnormal<mode>2): New DFP expander.
	* config/s390/vector.md (signbittf2_vr): Merge this one
	(isinftf2_vr): and this one into
	(<tdc_insn>tf2_vr): new expander.
	(signbittf2): Merge this one
	(isinftf2): and this one into
	(<tdc_insn>tf2): new expander.

2025-01-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118634
	* tree-ssa-loop-ivcanon.cc (try_unroll_loop_completely):
	Dump the number of estimated eliminated insns.

2025-01-24  Saurabh Jha  <saurabh.jha@arm.com>

	* config/aarch64/aarch64-sve2.md:
	(*aarch64_pred_faminmax_fused): Fix to use the correct flags.
	* config/aarch64/aarch64.h
	(TARGET_SVE_FAMINMAX): Remove.
	* config/aarch64/iterators.md: Fix iterators so that famax and
	famin use correct flags.

2025-01-24  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118572
	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Compare as
	unsigned the variables whose extension bits are masked out.

2025-01-24  Alexandre Oliva  <oliva@adacore.com>

	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Document
	reversep's absence of effects on range tests.  Don't reject
	reversep mismatches before trying compare swapping.

2025-01-24  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118514
	* tree-eh.cc (bit_field_ref_in_bounds_p): New.
	(tree_could_trap_p) <BIT_FIELD_REF>: Call it.
	* gimple-fold.cc (make_bit_field_load): Check trapping status
	of replacement load against original load.

2025-01-23  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa32-regs.h (ADDITIONAL_REGISTER_NAMES): Change
	register 86 name to "%fr31L".

2025-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118628
	* tree-vect-stmts.cc (vectorizable_store, vectorizable_load):
	Initialize offvar to NULL_TREE.

2025-01-23  Georg-Johann Lay  <avr@gjlay.de>

	PR tree-optimization/118012
	PR tree-optimization/118360
	* config/avr/avr.opt (-mpr118012): New undocumented option.
	* config/avr/avr-protos.h (avr_out_sextr)
	(avr_emit_skip_pixop, avr_emit_skip_clear): New protos.
	* config/avr/avr.cc (avr_adjust_insn_length)
	[case ADJUST_LEN_SEXTR]: Handle case.
	(avr_rtx_costs_1) [NEG]: Costs for NEG (ZERO_EXTEND (ZERO_EXTRACT)).
	[MULT && avropt_pr118012]: Costs for MULT (x AND 1).
	(avr_out_sextr, avr_emit_skip_pixop, avr_emit_skip_clear): New
	functions.
	* config/avr/avr.md [avropt_pr118012]: Add combine patterns with
	that condition that try to work around PR118012.
	(adjust_len) <sextr>: Add insn attr value.
	(pixop): New code iterator.
	(mulsi3) [avropt_pr118012 && !AVR_TINY]: Allow these in insn condition.

2025-01-23  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/118562
	* rtl-ssa/blocks.cc (function_info::replace_phi): When converting
	to a degenerate phi, make sure to remove all uses of the previous
	inputs.

2025-01-23  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64-tuning-flags.def
	(AARCH64_EXTRA_TUNE_CHEAP_FPMR_WRITE): New tuning flag.
	* config/aarch64/aarch64.h (TARGET_CHEAP_FPMR_WRITE): New macro.
	* config/aarch64/aarch64.md: Split moves into FPMR into a test
	and branch around.
	(aarch64_write_fpmr): New pattern.

2025-01-23  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.cc (aarch64_memory_move_cost): Account
	for the cost of moving in and out of GENERAL_SYSREGS.

2025-01-23  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.md (*mov<SHORT:mode>_aarch64)
	(*movsi_aarch64, *movdi_aarch64): Allow the source of an MSR
	to be zero.

2025-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118605
	* tree-assume.cc (assume_query::m_parm_list): Change type
	from bitmap & to bitmap.

2025-01-23  Tejas Belagod  <tejas.belagod@arm.com>

	* omp-low.cc (use_pointer_for_field): Use pointer if the OMP data
	structure's field type is a poly-int.

2025-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/114877
	* builtins.cc (fold_builtin_frexp): Handle rvc_nan and rvc_inf cases
	like rvc_zero, return passed in arg and set *exp = 0.

2025-01-23  Torbjörn SVENSSON  <torbjorn.svensson@foss.st.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	'alarm'.

2025-01-23  Georg-Johann Lay  <avr@gjlay.de>

	PR target/117726
	* config/avr/avr.cc (avr_ld_regno_p): New function.
	(ashlsi3_out) [case 25,26,27,28,29,30]: Handle and tweak.
	(lshrsi3_out): Same.
	(avr_rtx_costs_1) [SImode, ASHIFT, LSHIFTRT]: Adjust costs.
	* config/avr/avr.md (ashlsi3, *ashlsi3, *ashlsi3_const):
	Add "r,r,C4L" alternative.
	(lshrsi3, *lshrsi3, *lshrsi3_const): Add "r,r,C4R" alternative.
	* config/avr/constraints.md (C4R, C4L): New,

2025-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118558
	* tree-vectorizer.h (vect_known_alignment_in_bytes): Pass
	through offset to dr_misalignment.
	* tree-vect-stmts.cc (get_group_load_store_type): Compute
	offset applied for negative stride and use it when querying
	alignment of accesses.
	(vectorizable_load): Likewise.

2025-01-23  Nathaniel Shead  <nathanieloshead@gmail.com>

	PR c++/107741
	* common.opt: Add -fabi-version=20.
	* doc/invoke.texi: Likewise.

2025-01-23  Xi Ruoyao  <xry111@xry111.site>

	PR target/118501
	* config/loongarch/loongarch.md (@xorsign<mode>3): Use
	force_lowpart_subreg.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/avx10_2-512convertintrin.h:
	Omit "p" for packed for FP8.
	* config/i386/avx10_2convertintrin.h: Ditto.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512satcvtintrin.h: Change intrin and
	builtin name according to new mnemonics.
	* config/i386/avx10_2satcvtintrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VCVTBF162IBS): Rename from UNSPEC_VCVTNEBF162IBS.
	(UNSPEC_VCVTBF162IUBS): Rename from UNSPEC_VCVTNEBF162IUBS.
	(UNSPEC_VCVTTBF162IBS): Rename from UNSPEC_VCVTTNEBF162IBS.
	(UNSPEC_VCVTTBF162IUBS): Rename from UNSPEC_VCVTTNEBF162IUBS.
	(UNSPEC_CVTNE_BF16_IBS_ITER): Rename to...
	(UNSPEC_CVT_BF16_IBS_ITER): ...this. Adjust UNSPEC name.
	(sat_cvt_sign_prefix): Adjust UNSPEC name.
	(sat_cvt_trunc_prefix): Ditto.
	(avx10_2_cvt<sat_cvt_trunc_prefix>nebf162i<sat_cvt_sign_prefix>bs<mode><mask_name>):
	Rename to...
	(avx10_2_cvt<sat_cvt_trunc_prefix>bf162i<sat_cvt_sign_prefix>bs<mode><mask_name>):
	...this. Change instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512convertintrin.h: Change intrin and
	builtin name according to new mnemonics.
	* config/i386/avx10_2convertintrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VCVTPH2BF8): Rename from UNSPEC_VCVTNEPH2BF8.
	(UNSPEC_VCVTPH2BF8S): Rename from UNSPEC_VCVTNEPH2BF8S.
	(UNSPEC_VCVTPH2HF8): Rename from UNSPEC_VCVTNEPH2HF8.
	(UNSPEC_VCVTPH2HF8S): Rename from UNSPEC_VCVTNEPH2HF8S.
	(UNSPEC_CONVERTPH2FP8): Rename from UNSPEC_NECONVERTPH2FP8.
	Adjust UNSPEC name.
	(convertph2fp8): Rename from neconvertph2fp8. Adjust
	iterator map.
	(vcvt<neconvertph2fp8>v8hf): Rename to...
	(vcvt<neconvertph2fp8>v8hf): ...this.
	(*vcvt<neconvertph2fp8>v8hf): Rename to...
	(*vcvt<neconvertph2fp8>v8hf): ...this.
	(vcvt<neconvertph2fp8>v8hf_mask): Rename to...
	(vcvt<neconvertph2fp8>v8hf_mask): ...this.
	(*vcvt<neconvertph2fp8>v8hf_mask): Rename to...
	(*vcvt<neconvertph2fp8>v8hf_mask): ...this.
	(vcvt<neconvertph2fp8><mode><mask_name>): Rename to...
	(vcvt<convertph2fp8><mode><mask_name>): ...this.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512convertintrin.h: Change intrin and
	builtin name according to new mnemonics.
	* config/i386/avx10_2convertintrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VCVT2PH2BF8): Rename from UNSPEC_VCVTNE2PH2BF8.
	(UNSPEC_VCVT2PH2BF8S): Rename from UNSPEC_VCVTNE2PH2BF8S.
	(UNSPEC_VCVT2PH2HF8): Rename from UNSPEC_VCVTNE2PH2HF8.
	(UNSPEC_VCVT2PH2HF8S): Rename from UNSPEC_VCVTNE2PH2HF8S.
	(UNSPEC_CONVERTFP8_PACK): Rename from UNSPEC_NECONVERTFP8_PACK.
	Adjust UNSPEC name.
	(convertfp8_pack): Rename from neconvertfp8_pack. Adjust
	iterator map.
	(vcvt<neconvertfp8_pack><mode><mask_name>): Rename to...
	(vcvt<convertfp8_pack><mode><mask_name>): ...this.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/i386-expand.cc
	(ix86_expand_fp_compare): Adjust comments.
	(ix86_expand_builtin): Adjust switch case.
	* config/i386/i386.md (cmpibf): Change instruction name output.
	* config/i386/sse.md (UNSPEC_VCOMSBF16): Removed.
	(avx10_2_comisbf16_v8bf): New.
	(avx10_2_comsbf16_v8bf): Removed.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VFPCLASSBF16); Rename from UNSPEC_VFPCLASSPBF16.
	(avx10_2_getexppbf16_<mode><mask_name>): Rename to...
	(avx10_2_getexpbf16_<mode><mask_name>): ...this.
	Change instruction name output.
	(avx10_2_fpclasspbf16_<mode><mask_scalar_merge_name>):
	Rename to...
	(avx10_2_fpclassbf16_<mode><mask_scalar_merge_name>): ...this.
	Change instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VSCALEFBF16): Rename from UNSPEC_VSCALEFPBF16.
	(avx10_2_scalefpbf16_<mode><mask_name>): Rename to...
	(avx10_2_scalefbf16_<mode><mask_name>): ...this.
	Change instruction name output.
	(avx10_2_rsqrtpbf16_<mode><mask_name>): Rename to...
	(avx10_2_rsqrtbf16_<mode><mask_name>): ...this.
	Change instruction name output.
	(avx10_2_sqrtnepbf16_<mode><mask_name>): Rename to...
	(avx10_2_sqrtbf16_<mode><mask_name>): ...this.
	Change instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_VRNDSCALEBF16): Rename from UNSPEC_VRNDSCALENEPBF16.
	(UNSPEC_VREDUCEBF16): Rename from UNSPEC_VREDUCENEPBF16.
	(UNSPEC_VGETMANTBF16): Rename from UNSPEC_VGETMANTPBF16.
	(BF16IMMOP): Adjust iterator due to UNSPEC name change.
	(bf16immop): Ditto.
	(avx10_2_<bf16immop>pbf16_<mode><mask_name>): Rename to...
	(avx10_2_<bf16immop>bf16_<mode><mask_name>): ...this. Change
	instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512minmaxintrin.h: Change intrin and
	builtin name according to new mnemonics.
	* config/i386/avx10_2minmaxintrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(UNSPEC_MINMAXBF16): Rename from UNSPEC_MINMAXNEPBF16.
	(avx10_2_minmaxnepbf16_<mode><mask_name>): Rename to...
	(avx10_2_minmaxbf16_<mode><mask_name>): ...this. Change
	instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(avx10_2_<code>pbf16_<mode><mask_name>): Rename to...
	(avx10_2_<code>bf16_<mode><mask_name>): ...this.
	Change instruction name output.
	(avx10_2_cmppbf16_<mode><mask_scalar_merge_name>): Rename to...
	(avx10_2_cmpbf16_<mode><mask_scalar_merge_name>): ...this.
	Change instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	names according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md
	(avx10_2_fmaddnepbf16_<mode>_maskz): Rename to...
	(avx10_2_fmaddbf16_<mode>_maskz): ...this. Adjust emit_insn.
	(avx10_2_fmaddnepbf16_<mode><sd_maskz_name>): Rename to...
	(avx10_2_fmaddbf16_<mode><sd_maskz_name>): ...this.
	Change instruction name output.
	(avx10_2_fmaddnepbf16_<mode>_mask): Rename to...
	(avx10_2_fmaddbf16_<mode>_mask): ...this.
	Change instruction name output.
	(avx10_2_fmaddnepbf16_<mode>_mask3): Rename to...
	(avx10_2_fmaddbf16_<mode>_mask3): ...this.
	Change instruction name output.
	(avx10_2_fnmaddnepbf16_<mode>_maskz): Rename to...
	(avx10_2_fnmaddbf16_<mode>_maskz): ...this. Adjust emit_insn.
	(avx10_2_fnmaddnepbf16_<mode><sd_maskz_name>): Rename to...
	(avx10_2_fnmaddbf16_<mode><sd_maskz_name>): ...this.
	Change instruction name output.
	(avx10_2_fnmaddnepbf16_<mode>_mask): Rename to...
	(avx10_2_fnmaddbf16_<mode>_mask): ...this.
	Change instruction name output.
	(avx10_2_fnmaddnepbf16_<mode>_mask3): Rename to...
	(avx10_2_fnmaddbf16_<mode>_mask3): ...this.
	Change instruction name output.
	(avx10_2_fmsubnepbf16_<mode>_maskz): Rename to...
	(avx10_2_fmsubbf16_<mode>_maskz): ...this. Adjust emit_insn.
	(avx10_2_fmsubnepbf16_<mode><sd_maskz_name>): Rename to...
	(avx10_2_fmsubbf16_<mode><sd_maskz_name>): ...this.
	Change instruction name output.
	(avx10_2_fmsubnepbf16_<mode>_mask): Rename to...
	(avx10_2_fmsubbf16_<mode>_mask): ...this.
	Change instruction name output.
	(avx10_2_fmsubnepbf16_<mode>_mask3): Rename to...
	(avx10_2_fmsubbf16_<mode>_mask3): ...this.
	Change instruction name output.
	(avx10_2_fnmsubnepbf16_<mode>_maskz): Rename to...
	(avx10_2_fnmsubbf16_<mode>_maskz): ...this. Adjust emit_insn.
	(avx10_2_fnmsubnepbf16_<mode><sd_maskz_name>): Rename to...
	(avx10_2_fnmsubbf16_<mode><sd_maskz_name>): ...this.
	Change instruction name output.
	(avx10_2_fnmsubnepbf16_<mode>_mask): Rename to...
	(avx10_2_fnmsubbf16_<mode>_mask): ...this.
	Change instruction name output.
	(avx10_2_fnmsubnepbf16_<mode>_mask3): Rename to...
	(avx10_2_fnmsubbf16_<mode>_mask3): ...this.
	Change instruction name output.

2025-01-23  Haochen Jiang  <haochen.jiang@intel.com>

	PR target/118270
	* config/i386/avx10_2-512bf16intrin.h: Change intrin and builtin
	name according to new mnemonics.
	* config/i386/avx10_2bf16intrin.h: Ditto.
	* config/i386/i386-builtin.def (BDESC): Ditto.
	* config/i386/sse.md (div<mode>3): Adjust emit_insn.
	(avx10_2_<insn>nepbf16_<mode><mask_name>): Rename to...
	(avx10_2_<insn>bf16_<mode><mask_name>): ...this. Change
	instruction name output.
	(avx10_2_rcppbf16_<mode><mask_name>): Rename to...
	(avx10_2_rcpbf16_<mode><mask_name>):...this. Change
	instruction name output.

2025-01-22  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390.cc: Fix arch15 machine string which must not
	be empty.

2025-01-22  Richard Sandiford  <richard.sandiford@arm.com>

	* config/aarch64/aarch64.md (aarch64_read_sysregti): Change
	the source predicate to aarch64_reg_or_zero.

2025-01-22  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.md
	(<optab>_alsl_reversesi_extended): Add '&' to the destination
	register constraint and append '0' to the first source register
	constraint to indicate the destination register cannot be same
	as the second source register, and change the split condition to
	reload_completed so that the insn will be split only after RA in
	order to obtain allocated registers that satisfy the above
	constraints.

2025-01-21  Jeff Law  <jlaw@ventanamicro.com>

	Revert:
	2024-10-29  yulong  <shiyulong@iscas.ac.cn>

	* config.gcc: Add riscv_cmo.h.
	* config/riscv/riscv_cmo.h: New file.

2025-01-21  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118483
	* match.pd (`x ==/!= ~x`): Allow for an optional convert
	and use itwise_inverted_equal_p/maybe_bit_not instead of
	directly matching bit_not.

2025-01-21  Robin Dapp  <rdapp@ventanamicro.com>

	* config/riscv/riscv.cc (riscv_file_end): Fix format string.
	(riscv_lshift_subword): Mark MODE as unused.

2025-01-21  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-passes.cc (avr_emit_shift) [ASHIFT,HImode]:
	Allow offsets 5 and 6 as 3op provided have MUL and a scratch.
	* config/avr/avr.cc (avr_optimize_size_max_p): New function.
	(avr_out_ashlhi3_mul): New function.
	(ashlhi3_out) [case 4, 5, 6]: Better speed for -Os.
	* config/avr/avr.md (isa) <mul, no_mul>: New attr values.
	(*ashlhi3_const): Add alternative for offsets 5 and 6.

2025-01-21  Jin Ma  <jinma@linux.alibaba.com>

	PR target/116593
	* config/riscv/constraints.md (vl): New.
	* config/riscv/thead-vector.md: Replacing rK with rvl.
	* config/riscv/vector.md: Likewise.

2025-01-21  Denis Chertykov  <chertykov@gmail.com>

	* lra-spills.cc (assign_stack_slot_num_and_sort_pseudos): Use known_ge
	to compare sizes.

2025-01-21  Jeff Law  <jlaw@ventanamicro.com>

	PR target/116256
	* config/riscv/predicates.md (consecutive_bits_operand): Properly
	handle (const_int 0).

2025-01-21  Alfie Richards  <alfie.richards@arm.com>

	* config/aarch64/aarch64.opt.urls: Regenerate

2025-01-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118569
	* cfgloopmanip.cc (fix_loop_placement): When the loops
	nesting parents changed, mark all blocks to be scanned
	for LC PHI uses.
	(fix_bb_placements): Remove code moved into fix_loop_placement.

2025-01-21  Vladimir Miloserdov  <vladimir.miloserdov@arm.com>

	* config/aarch64/aarch64-c.cc
	(aarch64_update_cpp_builtins): Add new flag TARGET_LUT.
	* config/aarch64/aarch64-sve-builtins-shapes.cc
	(struct luti_base): Shape for lut intrinsics.
	(SHAPE): Specializations for lut shapes for luti2 and luti4..
	* config/aarch64/aarch64-sve-builtins-shapes.h: Declare lut
	intrinsics.
	* config/aarch64/aarch64-sve-builtins-sve2.cc
	(class svluti_lane_impl): Define expand for lut intrinsics.
	(FUNCTION): Define expand for lut intrinsics.
	* config/aarch64/aarch64-sve-builtins-sve2.def
	(REQUIRED_EXTENSIONS): Declare lut intrinsics behind lut flag.
	(svluti2_lane): Define intrinsic behind flag.
	(svluti4_lane): Define intrinsic behind flag.
	* config/aarch64/aarch64-sve-builtins-sve2.h: Declare lut
	intrinsics.
	* config/aarch64/aarch64-sve-builtins.cc
	(TYPES_bh_data): New type for byte and halfword.
	(bh_data): Type array for byte and halfword.
	(h_data): Type array for halfword.
	* config/aarch64/aarch64-sve2.md
	(@aarch64_sve_luti<LUTI_BITS><mode>): Instruction patterns for
	lut intrinsics.
	* config/aarch64/iterators.md: Iterators and attributes for lut
	intrinsics.

2025-01-21  Tamar Christina  <tamar.christina@arm.com>

	PR middle-end/118273
	* tree-vect-stmts.cc (vectorizable_simd_clone_call): Use nvectors when
	doing mask registrations.

2025-01-21  Tamar Christina  <tamar.christina@arm.com>

	* config.gcc (aarch64-*-elf): Drop ILP32 from default multilibs.

2025-01-21  Lulu Cheng  <chenglulu@loongson.cn>

	* config/loongarch/loongarch-protos.h
	(loongarch_reset_previous_fndecl):  Add function declaration.
	(loongarch_save_restore_target_globals): Likewise.
	(loongarch_register_pragmas): Likewise.
	* config/loongarch/loongarch-target-attr.cc
	(loongarch_option_valid_attribute_p): Optimize the processing
	of attributes.
	(loongarch_pragma_target_parse): New functions.
	(loongarch_register_pragmas): Likewise.
	* config/loongarch/loongarch.cc
	(loongarch_reset_previous_fndecl): New functions.
	(loongarch_set_current_function): When the old_tree is the same
	as the new_tree, the rules for using registers, etc.,
	are set according to the option values to ensure that the
	pragma can be processed correctly.
	* config/loongarch/loongarch.h (REGISTER_TARGET_PRAGMAS):
	Define macro.
	* doc/extend.texi: Supplemental Documentation.

2025-01-21  Lulu Cheng  <chenglulu@loongson.cn>

	* attr-urls.def: Regenerate.
	* config.gcc: Add loongarch-target-attr.o to extra_objs.
	* config/loongarch/loongarch-protos.h
	(loongarch_option_valid_attribute_p): Function declaration.
	(loongarch_option_override_internal): Likewise.
	* config/loongarch/loongarch.cc
	(loongarch_option_override_internal): Delete the modifications
	to target_option_default_node and target_option_current_node.
	(loongarch_set_current_function): Add annotation information.
	(loongarch_option_override): add assignment operations to
	target_option_default_node and target_option_current_node.
	(TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
	* config/loongarch/t-loongarch: Add compilation of target file
	loongarch-target-attr.o.
	* doc/extend.texi: Add description information of LoongArch
	Function Attributes.
	* config/loongarch/loongarch-target-attr.cc: New file.

2025-01-21  Alfie Richards  <alfie.richards@arm.com>

	* config/aarch64/aarch64.cc
	(aarch64_process_target_version_attr): Add experimental warning.
	* config/aarch64/aarch64.opt: Add command line option to disable
	warning.
	* doc/invoke.texi: Add documentation for -W[no-]experimental-fmv-target.

2025-01-20  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/118560
	* lra-constraints.cc (invalid_mode_reg_p): Exchange args in
	hard_reg_set_subset_p call.

2025-01-20  Jeff Law  <jlaw@ventanamicro.com>

	PR target/114442
	* config/riscv/xiangshan.md: Add missing insn types to a
	new dummy insn reservation.

2025-01-20  Jeff Law  <jlaw@ventanamicro.com>

	PR target/116256
	* config/riscv/riscv.md (reassocating constant addition): Adjust
	condition to avoid creating an unrecognizable insn.

2025-01-20  Denis Chertykov  <chertykov@gmail.com>

	PR rtl-optimization/117868
	* lra-spills.cc (assign_stack_slot_num_and_sort_pseudos): Reuse slots
	only without allocated memory or only with equal or smaller registers
	with equal or smaller alignment.
	(lra_spill): Print slot size as width.

2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/118348
	* tree-vectorizer.cc (vec_info::move_dr): Copy
	STMT_VINFO_SIMD_LANE_ACCESS_P.

2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	Revert:
	2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/118384
	* tree-vectorizer.cc (vec_info::move_dr): Copy
	STMT_VINFO_SIMD_LANE_ACCESS_P.

2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/118384
	* tree-vectorizer.cc (vec_info::move_dr): Copy
	STMT_VINFO_SIMD_LANE_ACCESS_P.

2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/118501
	* config/aarch64/aarch64.md (@xorsign<mode>3): Use
	force_lowpart_subreg.

2025-01-20  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/118531
	* config/aarch64/aarch64.md (*insv_reg<mode>_<SUBDI_BITS>)
	(*aarch64_bfi<GPI:mode><ALLX:mode>_<SUBDI_BITS>)
	(*aarch64_bfidi<ALLX:mode>_subreg_<SUBDI_BITS>): Add missing
	simd requirements.

2025-01-20  Jin Ma  <jinma@linux.alibaba.com>

	* config/riscv/thead.md (*th_cond_mov<GPR:mode><GPR2:mode>):
	Change GPR2 to X.
	(*th_cond_mov<GPR:mode>): Likewise.

2025-01-20  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118077
	PR tree-optimization/117668
	* tree-inline.cc (fold_marked_statements): Purge abnormal edges
	as needed.

2025-01-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/117875
	* tree-vect-slp.cc (vect_build_slp_tree_1): Handle SSA copies.

2025-01-20  Xi Ruoyao  <xry111@xry111.site>

	PR target/115921
	* config/loongarch/loongarch-protos.h
	(loongarch_reassoc_shift_bitwise): New function prototype.
	* config/loongarch/loongarch.cc
	(loongarch_reassoc_shift_bitwise): Implement.
	* config/loongarch/loongarch.md
	(*alslsi3_extend_subreg): New define_insn_and_split.
	(<any_bitwise:optab>_shift_reverse<X:mode>): New
	define_insn_and_split.
	(<any_bitwise:optab>_alsl_reversesi_extended): New
	define_insn_and_split.
	(zero_extend_ashift): Remove as it's just a special case of
	and_shift_reversedi, and it does not make too much sense to
	write "alsl.d rd,rs,r0,shamt" instead of "slli.d rd,rs,shamt".
	(bstrpick_alsl_paired): Remove as it is already done by
	splitting and_shift_reversedi into and + ashift first, then
	late combining the ashift and a further add.

2025-01-20  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/constraints.md (Yy): New define_constriant.
	* config/loongarch/loongarch.cc (loongarch_print_operand):
	For "%M", output the index of bits to be used with
	bstrins/bstrpick.
	* config/loongarch/predicates.md (ins_zero_bitmask_operand):
	Exclude low_bitmask_operand as for low_bitmask_operand it's
	always better to use bstrpick instead of bstrins.
	(and_operand): New define_predicate.
	* config/loongarch/loongarch.md (any_or): New
	define_code_iterator.
	(bitwise_operand): New define_code_attr.
	(*<optab:any_or><mode:GPR>3): New define_insn.
	(*and<mode:GPR>3): New define_insn.
	(<optab:any_bitwise><mode:X>3): New define_expand.
	(and<mode>3_extended): Remove, replaced by the 3rd alternative
	of *and<mode:GPR>3.
	(bstrins_<mode>_for_mask): Remove, replaced by the 4th
	alternative of *and<mode:GPR>3.
	(*<optab:any_bitwise>si3_internal): Remove, already covered by
	the *<optab:any_or><mode:GPR>3 and *and<mode:GPR>3 templates.

2025-01-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118552
	* cfgloopmanip.cc (fix_loop_placement): Properly mark
	exit source blocks as to be scanned for LC SSA update when
	the loops nesting relationship changed.
	(fix_loop_placements): Adjust.
	(fix_bb_placements): Likewise.

2025-01-20  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/t-nvptx (MULTILIB_OPTIONS): Don't add 'mptx=3.1' if
	neither sm_30 nor sm_35 multilib variant is built.

2025-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR c++/118509
	* tree.cc (tree_invariant_p_1): Return true for TARGET_EXPR too.

2025-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118224
	* tree-ssa-dce.cc (is_removable_allocation_p): Multiply a1 by a2
	instead of adding it.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_load_len): Deprecate
	some overloads.
	(s390_vec_store_len): Deprecate some overloads.
	(s390_vec_load_len_r): Add.
	(s390_vec_store_len_r): Add.
	* config/s390/s390-c.cc (s390_vec_load_len_r): Add.
	(s390_vec_store_len_r): Add.
	* config/s390/vecintrin.h (vec_load_len_r): Redefine.
	(vec_store_len_r): Redefine.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def: Add 128-bit variants.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/vector.md (<vec_shifts_name><mode>3): Add 128-bit
	variants.
	* config/s390/vx-builtins.md: Ditto.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def: Add 128-bit variants and remove
	bool variants.
	* config/s390/s390-builtin-types.def: Update accordinly.
	* config/s390/s390.md: Emulate min/max for GPR.
	* config/s390/vector.md: Add min/max patterns and emulate in
	case of no VXE3.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_abs_s128): Add.
	(s390_vlpq): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/vector.md (abs<mode>2): Emulate w/o VXE3.
	(*abs<mode>2): Add 128-bit variant.
	(*vec_sel0<mode>): Make it a ...
	(vec_sel0<mode>): named pattern.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def: Add 128-bit variants.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.cc (s390_expand_vec_compare_cc): Also
	consider TI modes for vectors.
	* config/s390/vector.md: Enable *vec_cmp et al. for VXE3.
	* config/s390/vx-builtins.md: Ditto.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/vector.md (div<mode>3): Add.
	(udiv<mode>3): Add.
	(mod<mode>3): Add.
	(umod<mode>3): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_cntlz): Add 128-bit
	integer overloads.
	(s390_vclzq): Add.
	(s390_vec_cnttz): Add 128-bit integer overloads.
	(s390_vctzq): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.h (CTZ_DEFINED_VALUE_AT_ZERO): Define.
	* config/s390/s390.md (*clzg): New insn.
	(clztidi2): Exploit new insn for target arch15.
	(ctzdi2): New insn.
	* config/s390/vector.md (clz<mode>2): Extend modes including
	128-bit integer.
	(ctz<mode>2): Likewise.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_gen_element_masks_128): Add.
	(s390_vgemb): Add.
	(s390_vgemh): Add.
	(s390_vgemf): Add.
	(s390_vgemg): Add.
	(s390_vgemq): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.md (UNSPEC_VEC_VGEM): Add.
	* config/s390/vecintrin.h (vec_gen_element_masks_8): Define.
	(vec_gen_element_masks_16): Define.
	(vec_gen_element_masks_32): Define.
	(vec_gen_element_masks_64): Define.
	(vec_gen_element_masks_128): Define.
	* config/s390/vx-builtins.md (vgemv16qi): Add.
	(vgem<mode>): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_evaluate): Add.
	(s390_veval): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.md (UNSPEC_VEC_VEVAL): Add.
	* config/s390/vecintrin.h (vec_evaluate): Define.
	* config/s390/vector.md
	(*veval<mode>_<logic_op1:logic_op_stringify><logic_op2:logic_op_stringify>):
	Add.
	(veval<mode>): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_vec_blend): Add.
	(s390_vblendb): Add.
	(s390_vblendh): Add.
	(s390_vblendf): Add.
	(s390_vblendg): Add.
	(s390_vblendq): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.md (UNSPEC_VEC_VBLEND): Add.
	* config/s390/vecintrin.h (vec_blend): Define.
	* config/s390/vx-builtins.md (vblend<mode>): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def (s390_bdepg): Add.
	(s390_bextg): Add.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/s390.md (UNSPEC_BDEPG): Add.
	(UNSPEC_BEXTG): Add.
	(bdepg): Add.
	(bextg): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390.md (*lxa<LXAMODE>_index): Add.
	(*lxa<LXAMODE>_displacement_index): Add.
	(*lxa<LXAMODE>_index_base): Add.
	(*lxa<LXAMODE>_displacement_index_base): Add.
	(*lxab_displacement_index_base): Add.
	(*llxa<LXAMODE>_displacement_index): Add.
	(*llxa<LXAMODE>_index_base): Add.
	(*llxa<LXAMODE>_displacement_index_base): Add.
	(*llxab_displacement_index_base): Add.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-builtins.def: Add new instruction variants.
	* config/s390/s390-builtin-types.def: Update accordingly.
	* config/s390/vecintrin.h: Add new defines.
	* config/s390/vector.md: Adapt insns for new instruction
	variants.
	* config/s390/vx-builtins.md: Ditto.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	* config/s390/s390-builtins.def (B_VXE3): Define.
	(B_ARCH15): Define.
	* config/s390/s390-c.cc (s390_resolve_overloaded_builtin):
	Consistency checks for VXE3.
	* config/s390/s390.cc (s390_expand_builtin): Consistency checks
	for VXE3.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	* config/s390/s390-c.cc (rid_int128): New helper function.
	(s390_macro_to_expand): Deal with `vector __int128`.
	(s390_cpu_cpp_builtins_internal): Bump __VEC__.
	* config/s390/s390.cc (s390_handle_vectorbool_attribute): Add
	128-bit bool zvector.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	* common/config/s390/s390-common.cc: Add arch15 processor flags.
	* config.gcc: Add arch15 for options --with-{arch,mtune}.
	* config/s390/driver-native.cc (s390_host_detect_local_cpu):
	Default to arch15.
	* config/s390/s390-opts.h (enum processor_type): Add
	PROCESSOR_ARCH15.
	* config/s390/s390.cc (processor_table,s390_issue_rate,
	s390_get_sched_attrmask,s390_get_unit_mask): Add arch15.
	* config/s390/s390.h (enum processor_flags): Add processor flags
	for VXE3 and ARCH15.
	(TARGET_CPU_VXE3): Define.
	(TARGET_CPU_VXE3_P): Define.
	(TARGET_CPU_ARCH15): Define.
	(TARGET_CPU_ARCH15_P): Define.
	(TARGET_VXE3): Define.
	(TARGET_VXE3_P): Define.
	(TARGET_ARCH15): Define.
	(TARGET_ARCH15_P): Define.
	* config/s390/s390.md: Add VXE3 and ARCH15 to cpu_facility, and
	let attribute "enabled" deal with them.
	* config/s390/s390.opt: Add arch15.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	* config/s390/vecintrin.h: Sort definitions.

2025-01-20  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/vector.md: Stay scalar for TOINTVEC/tointvec.

2025-01-20  Kito Cheng  <kito.cheng@sifive.com>

	* config.gcc (riscv*): Install sifive_vector.h.
	* config/riscv/sifive_vector.h: New.

2025-01-20  Hongyu Wang  <hongyu.wang@intel.com>

	PR target/118510
	* config/i386/i386.md (*x86_64_shld_ndd_2): Use register_operand
	for operand[0] and adjust the output template to directly
	generate ndd form shld pattern.
	(*x86_shld_ndd_2): Likewise.
	(*x86_64_shrd_ndd_2): Likewise.
	(*x86_shrd_ndd_2): Likewise.

2025-01-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal): Reorder ISA attribute
	by ascending alternative index.

2025-01-19  Mark Wielaard  <mark@klomp.org>

	* config/sparc/sparc.opt.urls: Regenerated.

2025-01-19  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/gm2.texi (Type compatibility): Move modula2.org link
	to https.

2025-01-19  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (OpenMP): Adjust link to specifications.

2025-01-18  Jeff Law  <jlaw@ventanamicro.com>

	PR target/116308
	* config/riscv/riscv.cc (riscv_lshift_subword): Use gen_lowpart
	rather than simplify_gen_subreg.

2025-01-18  Michal Jires  <mjires@suse.cz>

	* cgraph.cc (symbol_table::create_empty):
	Move uid to symtab_node.
	(test_symbol_table_test): Change expected dump id.
	* cgraph.h (struct cgraph_node):
	Move uid to symtab_node.
	(symbol_table::register_symbol): Likewise.
	* dumpfile.cc (test_capture_of_dump_calls):
	Change expected dump id.
	* ipa-inline.cc (update_caller_keys):
	Use summary id instead of uid.
	(update_callee_keys): Likewise.
	* symtab.cc (symtab_node::get_dump_name):
	Use uid instead of order.

2025-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/118512
	* config/sparc/sparc-c.cc (sparc_target_macros): Deal with VIS 3B.
	* config/sparc/sparc.cc (dump_target_flag_bits): Likewise.
	(sparc_option_override): Likewise.
	(sparc_vis_init_builtins): Likewise.
	* config/sparc/sparc.md (fpcmp_vis): Replace TARGET_VIS3 with
	TARGET_VIS3B.
	(vec_cmp): Likewise.
	(fpcmpu_vis): Likewise.
	(vec_cmpu): Likewise.
	(vcond_mask_): Likewise.
	* config/sparc/sparc.opt (VIS3B): New target mask.
	* doc/invoke.texi (SPARC options): Document -mvis3b.

2025-01-18  Jin Ma  <jinma@linux.alibaba.com>

	PR target/118357
	* config/riscv/riscv-vsetvl.cc: Function change_vtype_only_p always
	returns false for XTheadVector.

2025-01-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118529
	* tree-vect-stmts.cc (vectorizable_condition): Check the
	shape of the vector and condition vector type are compatible.

2025-01-18  Georg-Johann Lay  <avr@gjlay.de>

	* doc/invoke.texi (AVR Options): Fix plenk at -msplit-ldst.

2025-01-18  Akram Ahmad  <Akram.Ahmad@arm.com>
	    Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.cc: Expand iterators.
	* config/aarch64/aarch64-simd-builtins.def: Use standard names
	* config/aarch64/aarch64-simd.md: Use standard names, split insn
	definitions on signedness of operator and type of operands.
	* config/aarch64/arm_neon.h: Use standard builtin names.
	* config/aarch64/iterators.md: Add VSDQ_I_QI_HI iterator to
	simplify splitting of insn for unsigned scalar arithmetic.

2025-01-18  Akram Ahmad  <Akram.Ahmad@arm.com>

	* config/aarch64/aarch64-sve.md: Rename insns

2025-01-18  Tamar Christina  <tamar.christina@arm.com>

	Revert:
	2025-01-17  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.cc: Expand iterators.
	* config/aarch64/aarch64-simd-builtins.def: Use standard names
	* config/aarch64/aarch64-simd.md: Use standard names, split insn
	definitions on signedness of operator and type of operands.
	* config/aarch64/arm_neon.h: Use standard builtin names.
	* config/aarch64/iterators.md: Add VSDQ_I_QI_HI iterator to
	simplify splitting of insn for unsigned scalar arithmetic.

2025-01-18  Tamar Christina  <tamar.christina@arm.com>

	Revert:
	2025-01-17  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-sve.md: Rename insns

2025-01-18  Monk Chiang  <monk.chiang@sifive.com>

	* config/riscv/riscv.cc: Remove unused variable.

2025-01-18  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.cc (loongarch_rtx_costs): Fix the
	cost for (a + b * imm) and (a + (b << imm)) which can be
	implemented with a single alsl instruction.

2025-01-18  Xi Ruoyao  <xry111@xry111.site>

	* config/loongarch/loongarch.md (alslsi3_extend): Add alsl.wu.

2025-01-17  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/118067
	* lra-constraints.cc (invalid_mode_reg_p): New function.
	(curr_insn_transform): Use it to check mode returned by target
	secondary_memory_needed_mode.

2025-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/118511
	* config/s390/s390.cc (print_operand) <case 'p'>: Use
	output_operand_lossage instead of gcc_checking_assert.
	(print_operand) <case 'q'>: Likewise.
	(print_operand) <case 'r'>: Likewise.

2025-01-17  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-sve.md: Rename insns

2025-01-17  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-builtins.cc: Expand iterators.
	* config/aarch64/aarch64-simd-builtins.def: Use standard names
	* config/aarch64/aarch64-simd.md: Use standard names, split insn
	definitions on signedness of operator and type of operands.
	* config/aarch64/arm_neon.h: Use standard builtin names.
	* config/aarch64/iterators.md: Add VSDQ_I_QI_HI iterator to
	simplify splitting of insn for unsigned scalar arithmetic.

2025-01-17  Carl Love  <cel@linux.ibm.com>

	* config/rs6000/rs6000-builtins.def (__builtin_vsx_xvcvuxwdp):
	Remove built-in definition.

2025-01-17  Carl Love  <cel@linux.ibm.com>

	* config/rs6000/rs6000-builtins.def (__builtin_vsx_vperm_8hi,
	__builtin_vsx_vperm_8hi_uns): Remove built-in definitions.

2025-01-17  Carl Love  <cel@linux.ibm.com>

	* doc/extend.texi: Fix spelling mistake in description of the
	vec_sel built-in.  Add documentation of the 128-bit vec_perm
	instance.

2025-01-17  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-c.cc (DEF_BUILTIN): Add ATTRS argument to macro
	definition.
	* config/avr/avr.cc: Same.
	(avr_init_builtins) <attr_const>: New variable that can be used
	as ATTRS argument in DEF_BUILTIN.
	* config/avr/builtins.def (DEF_BUILTIN): Add ATTRS parameter
	to all definitions.

2025-01-17  Georg-Johann Lay  <avr@gjlay.de>

	PR target/118329
	* config/avr/avr-modes.def: Add INT_N (PSI, 24).
	* config/avr/avr.cc (avr_init_builtin_int24)
	<__int24>: Remove definition.
	<__uint24>: Adjust definition to INT_N interface.

2025-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118522
	* match.pd ((FTYPE) N CMP (FTYPE) M): Add convert, as in GENERIC
	integral types with the same precision and sign might actually not
	be compatible types.

2025-01-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92539
	* tree-ssa-loop-ivcanon.cc (tree_unroll_loops_completely_1):
	Also try force-evaluation if ivcanon did not yet run.
	(canonicalize_loop_induction_variables):
	When niter was computed constant by force evaluation add a
	canonical IV if we didn't unroll.
	* tree-ssa-loop-niter.cc (loop_niter_by_eval): When we
	don't find a proper PHI try if the exit condition scans
	over a STRING_CST and simulate that.

2025-01-17  Monk Chiang  <monk.chiang@sifive.com>

	* config/riscv/riscv.cc
	(is_zicfilp_p): New function.
	(is_zicfiss_p): New function.
	* config/riscv/riscv-zicfilp.cc: Update.
	* config/riscv/riscv.h: Update.
	* config/riscv/riscv.md: Update.
	* config/riscv/riscv-c.cc: Add CFI predefine marco.

2025-01-17  Monk Chiang  <monk.chiang@sifive.com>

	* config/riscv/riscv.cc
	(riscv_file_end): Add .note.gnu.property.

2025-01-17  Monk Chiang  <monk.chiang@sifive.com>

	* common/config/riscv/riscv-common.cc: Add ZICFILP ISA
	string.
	* config.gcc: Add riscv-zicfilp.o
	* config/riscv/riscv-passes.def (INSERT_PASS_BEFORE):
	Insert landing pad instructions.
	* config/riscv/riscv-protos.h (make_pass_insert_landing_pad):
	Declare.
	* config/riscv/riscv-zicfilp.cc: New file.
	* config/riscv/riscv.cc
	(riscv_trampoline_init): Add landing pad instructions.
	(riscv_legitimize_call_address): Likewise.
	(riscv_output_mi_thunk): Likewise.
	* config/riscv/riscv.h: Update.
	* config/riscv/riscv.md: Add landing pad patterns.
	* config/riscv/riscv.opt (TARGET_ZICFILP): Define.
	* config/riscv/t-riscv: Add build rule for
	riscv-zicfilp.o

2025-01-17  Monk Chiang  <monk.chiang@sifive.com>

	* common/config/riscv/riscv-common.cc: Add ZICFISS ISA string.
	* config/riscv/predicates.md: New predicate x1x5_operand.
	* config/riscv/riscv.cc
	(riscv_expand_prologue): Insert shadow stack instructions.
	(riscv_expand_epilogue): Likewise.
	(riscv_for_each_saved_reg): Assign t0 or ra register for
	sspopchk instruction.
	(need_shadow_stack_push_pop_p): New function. Omit shadow
	stack operation on leaf function.
	* config/riscv/riscv.h
	(need_shadow_stack_push_pop_p): Define.
	* config/riscv/riscv.md: Add shadow stack patterns.
	(save_stack_nonlocal): Add shadow stack instructions for setjump.
	(restore_stack_nonlocal): Add shadow stack instructions for longjump.
	* config/riscv/riscv.opt (TARGET_ZICFISS): Define.

2025-01-16  Tamar Christina  <tamar.christina@arm.com>
	    Richard Sandiford  <richard.sandiford@arm.com>

	PR target/113257
	* config/aarch64/driver-aarch64.cc (get_cpu_from_id, DEFAULT_CPU): New.
	(host_detect_local_cpu): Use it.

2025-01-16  Tamar Christina  <tamar.christina@arm.com>

	PR target/110901
	* config/aarch64/aarch64.h (MCPU_TO_MARCH_SPEC): Don't override if
	march is set.

2025-01-16  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/1180167
	* lra-constraints.cc (process_alt_operands): Use operand mode not
	subreg reg mode.  Add and improve debugging prints for updating
	losers.

2025-01-16  Sandra Loosemore  <sloosemore@baylibre.com>

	* omp-general.cc (omp_complete_construct_context): Check
	"omp declare target" attribute, not "omp declare target block".

2025-01-16  Peter Bergner  <bergner@linux.ibm.com>

	* config/rs6000/rs6000-builtin.cc (rs6000_expand_builtin): Return
	const0_rtx when there is an error.

2025-01-16  Peter Bergner  <bergner@linux.ibm.com>

	* config/rs6000/rs6000-builtin.cc (rs6000_expand_builtin): Use correct
	array size for the loop limit.
	* config/rs6000/rs6000-builtins.def: Fix field size for PMASK operand.

2025-01-16  Liao Shihua  <shihua@iscas.ac.cn>

	* config/riscv/vector.md: New attr set.

2025-01-16  Jiawei  <jiawei@iscas.ac.cn>

	* config/riscv/genrvv-type-indexer.cc (expand_floattype): New func.
	(main): New type.
	* config/riscv/riscv-vector-builtins-types.def (DEF_RVV_XFQF_OPS): New def.
	(vint8mf8_t): Ditto.
	(vint8mf4_t): Ditto.
	(vint8mf2_t): Ditto.
	(vint8m1_t): Ditto.
	(vint8m2_t): Ditto.
	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_XFQF_OPS): Ditto.
	(rvv_arg_type_info::get_xfqf_float_type): Ditto.
	* config/riscv/riscv-vector-builtins.def (xfqf_vector): Ditto.
	(xfqf_float): Ditto.
	* config/riscv/riscv-vector-builtins.h
	(struct rvv_arg_type_info): New function prototype.
	* config/riscv/sifive-vector.md: Update iterator.
	* config/riscv/vector-iterators.md: Ditto.

2025-01-16  Christoph Müllner  <christoph.muellner@vrull.eu>

	PR tree-optimization/118487
	* tree-ssa-forwprop.cc (recognise_vec_perm_simplify_seq):
	Ensure that shuffle masks are VECTOR_CSTs.

2025-01-16  Christoph Müllner  <christoph.muellner@vrull.eu>

	* tree-ssa-forwprop.cc (recognise_vec_perm_simplify_seq):
	Eliminate redundant calls to to_constant().

2025-01-16  Richard Biener  <rguenther@suse.de>
	    Mikael Morin  <mikael@gcc.gnu.org>

	PR tree-optimization/115494
	* tree-ssa-pre.cc (phi_translate_1): Always generate a
	representative for translated dependent expressions.

2025-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118430
	* tree-ssa-propagate.cc (may_propagate_copy): Return false if dest
	is lhs of an [[gnu::musttail]] call.
	(substitute_and_fold_dom_walker::before_dom_children): Formatting fix.

2025-01-16  Jakub Jelinek  <jakub@redhat.com>
	    Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/118430
	* tree-tailcall.cc: Include gimple-range.h, alloc-pool.h, sreal.h,
	symbol-summary.h, ipa-cp.h and ipa-prop.h.
	(find_tail_calls): If ass_var is NULL and ret_var is not, check if
	IPA-VRP has not found singleton return range for it.  In that case,
	don't punt if ret_var is the only value in that range.  Adjust the
	maybe_error_musttail message otherwise to diagnose different value
	being returned from the caller and callee rather than using return
	slot.  Formatting fixes.

2025-01-16  Jakub Jelinek  <jakub@redhat.com>

	* doc/extend.texi (Using Assembly Language with C): Add Asm constexprs
	to @menu.
	(Basic Asm): Move @node asm constexprs before Asm Labels, rename to
	Asm constexprs, change wording so that it is clearer that the constant
	expression actually must not return a string literal, just some specific
	container and other wording tweaks.  Only talk about top-level for basic
	asms in this @node, move restrictions on top-level extended asms to ...
	(Extended Asm): ... here.

2025-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/118400
	* vec.h (vec<T, va_heap, vl_ptr>::release): Call m_vec->truncate (0)
	instead of clearing m_vec->m_vecpfx.m_num.

2025-01-16  liuhongt  <hongtao.liu@intel.com>

	PR target/118489
	* config/i386/sse.md (VF1_AVX512BW): Fix typo.

2025-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/115895
	* tree-vect-stmts.cc (get_group_load_store_type): When we
	might overrun because the group size is not a multiple of the
	vector size we cannot use loop masking since that does not
	implement the required load shortening.

2025-01-16  Keith Packard  <keithp@keithp.com>

	* config/lm32/lm32.cc: Add several #includes.
	(va_list_type): New.
	(lm32_build_va_list): New function.
	(lm32_builtin_va_start): Likewise.
	(lm32_sd_gimplify_va_arg_expr): Likewise.
	(lm32_gimplify_va_arg_expr): Likewise.

2025-01-16  Keith Packard  <keithp@keithp.com>

	* config/lm32/lm32.cc (setup_incoming_varargs): Adjust the
	conditionals so that pretend_size is always computed, even
	if no_rtl is set.

2025-01-16  Keith Packard  <keithp@keithp.com>

	* config/lm32/lm32.cc (lm32_setup_incoming_varargs): Skip last
	named parameter when preparing to flush registers with unnamed
	arguments to th stack.

2025-01-16  Keith Packard  <keithp@keithp.com>

	* config/lm32/lm32.cc (lm32_function_arg): Pass unnamed
	arguments in registers too, just like named arguments.

2025-01-16  Andi Kleen  <ak@gcc.gnu.org>

	* config/i386/x86-tune-sched-core.cc: Fix incorrect comment.

2025-01-16  Eugene Rozenfeld  <erozen@microsoft.com>

	PR gcov-profile/116743
	* auto-profile.cc (afdo_annotate_cfg): Fix mismatch between the call graph node count
	and the entry block count.

2025-01-15  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/102705
	* match.pd (`(1 >> X) != 0`): Remove pattern.
	(`1 >> x`): New pattern.

2025-01-15  Sam James  <sam@gentoo.org>

	* doc/extend.texi: Cleanup trailing whitespace.

2025-01-15  Sam James  <sam@gentoo.org>

	* doc/extend.texi: Add 'a' for grammar fix.

2025-01-15  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/tuning_models/neoverse512tvb.h (tune_flags): Update.

2025-01-15  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/aarch64-tuning-flags.def (AARCH64_EXTRA_TUNE_BASE):
	Add AARCH64_EXTRA_TUNE_FULLY_PIPELINED_FMA.
	* config/aarch64/tuning_models/ampere1b.h: Remove redundant
	AARCH64_EXTRA_TUNE_FULLY_PIPELINED_FMA.
	* config/aarch64/tuning_models/neoversev2.h: Likewise.

2025-01-15  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/aarch64.cc (aarch64_override_options): Add warning.
	* doc/invoke.texi: Document -mabi=ilp32 as deprecated.

2025-01-15  Cupertino Miranda  <cupertino.miranda@oracle.com>

	* config/bpf/core-builtins.cc (compute_field_expr): Change
	VAR_DECL outcome in switch case.

2025-01-15  Cupertino Miranda  <cupertino.miranda@oracle.com>

	* config/bpf/core-builtins.cc
	(make_gimple_core_safe_access_index): Fix in condition.

2025-01-15  Cupertino Miranda  <cupertino.miranda@oracle.com>

	* btfout.cc (get_btf_kind): Remove static from function definition.
	* config/bpf/btfext-out.cc (bpf_code_reloc_add): Check if CO-RE type
	is not a const or volatile.
	* ctfc.h (btf_dtd_kind): Add prototype for function.

2025-01-15  Tamar Christina  <tamar.christina@arm.com>

	PR middle-end/118472
	* fold-const.cc (operand_compare::operand_equal_p): Fix incorrect
	replacement.

2025-01-15  Richard Biener  <rguenther@suse.de>

	* genmatch.cc (define_dump_logs): Make reverse lookup in
	dbg_line_numbers easier by adding comments with start index
	and cutting number of elements per line to 10.

2025-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/116068
	* cgraphunit.cc (symbol_table::process_new_functions): Call
	bitmap_obstack_initialize (NULL); and bitmap_obstack_release (NULL)
	around processing the functions.

2025-01-15  Kito Cheng  <kito.cheng@sifive.com>

	PR target/118182
	* config/riscv/autovec-opt.md (*widen_reduc_plus_scal_<mode>): Adjust
	argument for expand_reduction.
	(*widen_reduc_plus_scal_<mode>): Ditto.
	(*fold_left_widen_plus_<mode>): Ditto.
	(*mask_len_fold_left_widen_plus_<mode>): Ditto.
	(*cond_widen_reduc_plus_scal_<mode>): Ditto.
	(*cond_len_widen_reduc_plus_scal_<mode>): Ditto.
	(*cond_widen_reduc_plus_scal_<mode>): Ditto.
	* config/riscv/autovec.md (reduc_plus_scal_<mode>): Adjust argument for
	expand_reduction.
	(reduc_smax_scal_<mode>): Ditto.
	(reduc_umax_scal_<mode>): Ditto.
	(reduc_smin_scal_<mode>): Ditto.
	(reduc_umin_scal_<mode>): Ditto.
	(reduc_and_scal_<mode>): Ditto.
	(reduc_ior_scal_<mode>): Ditto.
	(reduc_xor_scal_<mode>): Ditto.
	(reduc_plus_scal_<mode>): Ditto.
	(reduc_smax_scal_<mode>): Ditto.
	(reduc_smin_scal_<mode>): Ditto.
	(reduc_fmax_scal_<mode>): Ditto.
	(reduc_fmin_scal_<mode>): Ditto.
	(fold_left_plus_<mode>): Ditto.
	(mask_len_fold_left_plus_<mode>): Ditto.
	* config/riscv/riscv-v.cc (expand_reduction): Add one more
	argument for reduction code for vl0-safe.
	* config/riscv/riscv-protos.h (expand_reduction): Ditto.
	* config/riscv/vector-iterators.md (unspec): Add _VL0_SAFE variant of
	reduction.
	(ANY_REDUC_VL0_SAFE): New.
	(ANY_WREDUC_VL0_SAFE): Ditto.
	(ANY_FREDUC_VL0_SAFE): Ditto.
	(ANY_FREDUC_SUM_VL0_SAFE): Ditto.
	(ANY_FWREDUC_SUM_VL0_SAFE): Ditto.
	(reduc_op): Add _VL0_SAFE variant of reduction.
	(order) Ditto.
	* config/riscv/vector.md (@pred_<reduc_op><mode>): New.

2025-01-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/115777
	* tree-vect-slp.cc (vect_bb_slp_scalar_cost): Do not
	cost a scalar stmt that needs to be preserved.

2025-01-15  Michal Jires  <mjires@suse.cz>

	PR lto/118238
	* lto-wrapper.cc (run_gcc): Remove link() copying.

2025-01-15  Anton Blanchard  <antonb@tenstorrent.com>
	    Jeff Law  <jlaw@ventanamicro.com>

	PR target/118170
	* config/riscv/generic-ooo.md (generic_ooo_float_div_half): New
	reservation.

2025-01-15  Richard Sandiford  <richard.sandiford@arm.com>
	    Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/109592
	* simplify-rtx.cc (simplify_context::simplify_binary_operation_1):
	Simplify nested shifts with subregs.

2025-01-14  anetczuk  <anetczuk@o2.pl>

	* tree-dump.cc (dequeue_and_dump): Handle OBJ_TYPE_REF.

2025-01-14  Alexandre Oliva  <oliva@adacore.com>

	* gimple-fold.cc (decode_field_reference): Rebustify to set
	out parms only when returning non-NULL.
	(fold_truth_andor_for_ifcombine): Bail if
	decode_field_reference returns NULL.  Add complementary assert
	on r_const's not being set when l_const isn't.

2025-01-14  Sandra Loosemore  <sloosemore@baylibre.com>

	* cgraph.cc (symbol_table::create_edge): Don't set
	calls_declare_variant_alt in the caller.
	* cgraph.h (struct cgraph_node): Remove declare_variant_alt
	and calls_declare_variant_alt flags.
	* cgraphclones.cc (cgraph_node::create_clone): Don't copy
	calls_declare_variant_alt bit.
	* gimplify.cc: Remove previously #ifdef-ed out code.
	* ipa-free-lang-data.cc (free_lang_data_in_decl): Adjust code
	referencing declare_variant_alt bit.
	* ipa.cc (symbol_table::remove_unreachable_nodes): Likewise.
	* lto-cgraph.cc (lto_output_node): Remove references to deleted
	bits.
	(output_refs): Adjust code referencing declare_variant_alt bit.
	(input_overwrite_node): Remove references to deleted bits.
	(input_refs): Adjust code referencing declare_variant_alt bit.
	* lto-streamer-out.cc (lto_output): Likewise.
	* lto-streamer.h (omp_lto_output_declare_variant_alt): Delete.
	(omp_lto_input_declare_variant_alt): Delete.
	* omp-expand.cc (expand_omp_target): Use has_omp_variant_constructs
	bit to trigger pass_omp_device_lower instead of
	calls_declare_variant_alt.
	* omp-general.cc (struct omp_declare_variant_entry): Delete.
	(struct omp_declare_variant_base_entry): Delete.
	(struct omp_declare_variant_hasher): Delete.
	(omp_declare_variant_hasher::hash): Delete.
	(omp_declare_variant_hasher::equal): Delete.
	(omp_declare_variants): Delete.
	(omp_declare_variant_alt_hasher): Delete.
	(omp_declare_variant_alt_hasher::hash): Delete.
	(omp_declare_variant_alt_hasher::equal): Delete.
	(omp_declare_variant_alt): Delete.
	(omp_lto_output_declare_variant_alt): Delete.
	(omp_lto_input_declare_variant_alt): Delete.
	(includes): Delete unnecessary include of gt-omp-general.h.
	* omp-offload.cc (execute_omp_device_lower): Remove references
	to deleted bit.
	(pass_omp_device_lower::gate): Likewise.
	* omp-simd-clone.cc (simd_clone_create): Likewise.
	* passes.cc (ipa_write_summaries): Likeise.
	* symtab.cc (symtab_node::get_partitioning_class): Likewise.
	* tree-inline.cc (expand_call_inline): Likewise.
	(tree_function_versioning): Likewise.

2025-01-14  Sandra Loosemore  <sloosemore@baylibre.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>
	    Marcel Vollweiler  <marcel@codesourcery.com>

	PR middle-end/114596
	PR middle-end/112779
	PR middle-end/113904
	* Makefile.in (GTFILES): Move omp-general.h earlier; required
	because of moving score_wide_int declaration to that file.
	* cgraph.h (struct cgraph_node): Add has_omp_variant_constructs flag.
	* cgraphclones.cc (cgraph_node::create_clone): Propagate
	has_omp_variant_constructs flag.
	* gimplify.cc (omp_resolved_variant_calls): New.
	(expand_late_variant_directive): New.
	(find_supercontext): New.
	(gimplify_variant_call_expr): New.
	(gimplify_call_expr): Adjust parameters to make fallback available.
	Update processing for "declare variant" substitution.
	(is_gimple_stmt): Add OMP_METADIRECTIVE.
	(omp_construct_selector_matches): Ifdef out unused function.
	(omp_get_construct_context): New.
	(gimplify_omp_dispatch): Replace call to deleted function
	omp_resolve_declare_variant with equivalent logic.
	(expand_omp_metadirective): New.
	(expand_late_variant_directive): New.
	(gimplify_omp_metadirective): New.
	(gimplify_expr): Adjust arguments to gimplify_call_expr.  Add
	cases for OMP_METADIRECTIVE, OMP_NEXT_VARIANT, and
	OMP_TARGET_DEVICE_MATCHES.
	(gimplify_function_tree): Initialize/clean up
	omp_resolved_variant_calls.
	* gimplify.h (omp_construct_selector_matches): Delete declaration.
	(omp_get_construct_context): Declare.
	* lto-cgraph.cc (lto_output_node): Write has_omp_variant_constructs.
	(input_overwrite_node): Read has_omp_variant_constructs.
	* omp-builtins.def (BUILT_IN_OMP_GET_NUM_DEVICES): New.
	* omp-expand.cc (expand_omp_taskreg): Propagate
	has_omp_variant_constructs.
	(expand_omp_target): Likewise.
	* omp-general.cc (omp_maybe_offloaded): Add construct_context
	parameter; use it instead of querying gimplifier state.  Add
	comments.
	(omp_context_name_list_prop): Do not test lang_GNU_Fortran in
	offload compiler, just use the string as-is.
	(expr_uses_parm_decl): New.
	(omp_check_context_selector): Add metadirective_p parameter.
	Remove sorry for target_device selector.  Add additional checks
	specific to metadirective or declare variant.
	(make_omp_metadirective_variant): New.
	(omp_construct_traits_match): New.
	(omp_context_selector_matches): Temporarily ifdef out the previous
	code, and add a new implementation based on the old one with
	different parameters, some unnecessary loops removed, and code
	re-indented.
	(omp_target_device_matches_on_host): New.
	(resolve_omp_target_device_matches): New.
	(omp_construct_simd_compare): Support matching of "simdlen" and
	"aligned" clauses.
	(omp_context_selector_set_compare): Make static.  Adjust call to
	omp_construct_simd_compare.
	(score_wide_int): Move declaration to omp-general.h.
	(omp_selector_is_dynamic): New.
	(omp_device_num_check): New.
	(omp_dynamic_cond): New.
	(omp_context_compute_score): Ifdef out the old version and
	re-implement with different parameters.
	(omp_complete_construct_context): New.
	(omp_resolve_late_declare_variant): Ifdef out.
	(omp_declare_variant_remove_hook): Likewise.
	(omp_resolve_declare_variant): Likewise.
	(sort_variant): New.
	(omp_get_dynamic_candidates): New.
	(omp_declare_variant_candidates): New.
	(omp_metadirective_candidates): New.
	(omp_early_resolve_metadirective): New.
	(omp_resolve_variant_construct): New.
	* omp-general.h (score_wide_int): Moved here from omp-general.cc.
	(struct omp_variant): New.
	(make_omp_metadirective_variant): Declare.
	(omp_construct_traits_to_codes): Delete declaration.
	(omp_check_context_selector): Adjust parameters.
	(omp_context_selector_matches): Likewise.
	(omp_context_selector_set_compare): Delete declaration.
	(omp_resolve_declare_variant): Likewise.
	(omp_declare_variant_candidates): Declare.
	(omp_metadirective_candidates): Declare.
	(omp_get_dynamic_candidates): Declare.
	(omp_early_resolve_metadirective): Declare.
	(omp_resolve_variant_construct): Declare.
	(omp_dynamic_cond): Declare.
	* omp-offload.cc (resolve_omp_variant_cookies): New.
	(execute_omp_device_lower): Call the above function to resolve
	variant directives.  Remove call to omp_resolve_declare_variant.
	(pass_omp_device_lower::gate): Check has_omp_variant_construct bit.
	* omp-simd-clone.cc (simd_clone_create): Propagate
	has_omp_variant_constructs bit.
	* tree-inline.cc (expand_call_inline): Likewise.
	(tree_function_versioning): Likewise.

2025-01-14  Sandra Loosemore  <sloosemore@baylibre.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* doc/generic.texi (OpenMP): Document OMP_METADIRECTIVE,
	OMP_NEXT_VARIANT, and OMP_TARGET_DEVICE_MATCHES.
	* fold-const.cc (operand_compare::hash_operand): Ignore
	the new nodes.
	* gimple-expr.cc (is_gimple_val): Allow OMP_NEXT_VARIANT
	and OMP_TARGET_DEVICE_MATCHES.
	* gimple.cc (get_gimple_rhs_num_ops): OMP_NEXT_VARIANT and
	OMP_TARGET_DEVICE_MATCHES are both GIMPLE_SINGLE_RHS.
	* tree-cfg.cc (tree_node_can_be_shared): Allow sharing of
	OMP_NEXT_VARIANT.
	* tree-inline.cc (remap_gimple_op_r): Ignore subtrees of
	OMP_NEXT_VARIANT.
	* tree-pretty-print.cc (dump_generic_node): Handle OMP_METADIRECTIVE,
	OMP_NEXT_VARIANT, and OMP_TARGET_DEVICE_MATCHES.
	* tree-ssa-operands.cc (operands_scanner::get_expr_operands):
	Ignore operands of OMP_NEXT_VARIANT and OMP_TARGET_DEVICE_MATCHES.
	* tree.def (OMP_METADIRECTIVE): New.
	(OMP_NEXT_VARIANT): New.
	(OMP_TARGET_DEVICE_MATCHES): New.
	* tree.h (OMP_METADIRECTIVE_VARIANTS): New.
	(OMP_METADIRECTIVE_VARIANT_SELECTOR): New.
	(OMP_METADIRECTIVE_VARIANT_DIRECTIVE): New.
	(OMP_METADIRECTIVE_VARIANT_BODY): New.
	(OMP_NEXT_VARIANT_INDEX): New.
	(OMP_NEXT_VARIANT_STATE): New.
	(OMP_TARGET_DEVICE_MATCHES_SELECTOR): New.
	(OMP_TARGET_DEVICE_MATCHES_PROPERTIES): New.

2025-01-14  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118456
	* gimple-fold.cc (decode_field_reference): Punt if shifting
	after changing signedness.
	(fold_truth_andor_for_ifcombine): Check extension bits in
	constants before clipping.

2025-01-14  Robin Dapp  <rdapp@ventanamicro.com>

	PR target/118154
	* config/riscv/riscv-vsetvl.cc (MAX_LMUL): New define.
	(pre_vsetvl::earliest_fuse_vsetvl_info): Use.
	(pre_vsetvl::pre_global_vsetvl_info): New predicate with equal
	ratio.
	* config/riscv/riscv-vsetvl.def: Use.

2025-01-14  Robin Dapp  <rdapp@ventanamicro.com>

	PR middle-end/118140
	* gimple-match-exports.cc (maybe_resimplify_conditional_op): Add
	COND_EXPR when we simplified to a scalar gimple value but still
	have an else value.

2025-01-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118405
	* tree-vect-stmts.cc (vectorizable_load): When we fall back
	to scalar loads make sure we properly convert to vector(1) T
	when there was only a single vector element.

2025-01-14  Robin Dapp  <rdapp.gcc@gmail.com>

	* config/riscv/riscv-v.cc (expand_const_vector): Shift in Xmode.

2025-01-14  Jiufu Guo  <guojiufu@linux.ibm.com>

	PR target/116030
	* config/rs6000/vsx.md (vsx_stxvd2x4_le_const_<mode>): Add clobber
	and guard with !altivec_indexed_or_indirect_operand.

2025-01-14  Robin Dapp  <rdapp.gcc@gmail.com>

	PR target/117682
	* config/riscv/riscv-v.cc (expand_const_vector): Fall back to
	merging if either step is negative.

2025-01-13  Xi Ruoyao  <xry111@xry111.site>

	PR target/115921
	* config/riscv/riscv.md (<optab>_shift_reverse): Remove
	check for TARGET_ZBA.

2025-01-13  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/118418
	* simplify-rtx.cc (simplify_context::simplify_relational_operation_1):
	Take STORE_FLAG_VALUE into account when handling signed comparisons
	of comparison results.

2025-01-13  Xi Ruoyao  <xry111@xry111.site>

	PR target/115921
	* config/riscv/riscv.md (<optab>_shift_reverse): Only check
	popcount_hwi if !TARGET_ZBS.

2025-01-13  Jin Ma  <jinma@linux.alibaba.com>

	* config/riscv/riscv-vsetvl.cc (demand_system::use_max_sew): Also
	set the ratio for PREV.

2025-01-13  Vineet Gupta  <vineetg@rivosinc.com>

	* config/riscv/riscv.cc (riscv_register_move_cost): Remove buggy
	check.

2025-01-13  Jin Ma  <jinma@linux.alibaba.com>

	* config/riscv/riscv.cc (riscv_build_integer_1): Change
	1UL/1ULL to HOST_WIDE_INT_1U.

2025-01-13  Jeff Law  <jlaw@ventanamicro.com>

	PR rtl-optimization/107455
	* postreload.cc (reload_cse_regs_1): Take advantage of conditional
	equivalences.

2025-01-13  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118409
	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Apply the
	signbit mask to the right-hand XOR operand too.

2025-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR target/115910
	* expr.cc (expand_expr_divmod): Prefix the TDF_DETAILS note with
	";; " and add a space before (needed tie breaker).  Formatting fixes.

2025-01-13  Richard Biener  <rguenther@suse.de>
	    Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

	PR tree-optimization/117119
	* tree-data-ref.cc (initialize_matrix_A): Check whether
	an INTEGER_CST fits in HWI, otherwise return chrec_dont_know.

2025-01-13  Michal Jires  <mjires@suse.cz>

	PR lto/118181
	* lto-ltrans-cache.cc (ltrans_file_cache::create_item):
	Pass checksum by reference.
	* lto-ltrans-cache.h: Likewise.

2025-01-13  Michal Jires  <mjires@suse.cz>

	* lockfile.cc (LOCKFILE_USE_FCNTL): New.
	(lockfile::lock_write): Use LOCKFILE_USE_FCNTL.
	(lockfile::try_lock_write): Use LOCKFILE_USE_FCNTL.
	(lockfile::lock_read): Use LOCKFILE_USE_FCNTL.
	(lockfile::unlock): Use LOCKFILE_USE_FCNTL.
	(lockfile::lockfile_supported): Use LOCKFILE_USE_FCNTL.

2025-01-13  liuhongt  <hongtao.liu@intel.com>

	* config/i386/i386-expand.cc (ix86_expand_vecop_qihi2):
	Refactor to avoid redundant TARGET_AVX512BW in many places.

2025-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/117997
	PR middle-end/118415
	* expr.cc (assemble_crc_table): Make static, remove id argument,
	use output_constant_def.  Emit note if -fdump-rtl-expand-details
	about which table has been emitted.
	(generate_crc_table): Make static, adjust assemble_crc_table
	caller, call it always.
	(calculate_table_based_CRC): Make static.
	* internal-fn.cc (expand_crc_optab_fn): Emit note if
	-fdump-rtl-expand-details about using optab for crc.  Formatting fix.

2025-01-12  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha.cc (alpha_expand_block_move): Use a HImode
	subreg of a DImode register to hold data from an aligned HImode
	load.

2025-01-12  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha.cc (alpha_expand_block_move): Merge loaded
	data from pairs of SImode registers into single DImode registers
	if to be used with unaligned stores.

2025-01-12  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha.cc (alpha_option_override): Ignore CPU
	flags corresponding to features the enabling or disabling of
	which has been requested with an individual feature option.

2025-01-12  Maciej W. Rozycki  <macro@orcam.me.uk>

	PR middle-end/64242
	* config/alpha/alpha.md (`builtin_longjmp'): Restore frame
	pointer last.  Add frame clobber and schedule blockage.

2025-01-12  Maciej W. Rozycki  <macro@orcam.me.uk>

	* config/alpha/alpha.md (builtin_longjmp): Add memory clobbers.

2025-01-12  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.cc (vect_analyze_slp): Release saved_stmts
	vector.
	(vect_build_slp_tree_2): Release new_oprnds_info when not
	used.
	(vect_analyze_slp): Release root_stmts when gcond SLP
	build fails.

2025-01-12  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/118411
	* final.cc (get_attr_length_1): Handle asm for CALL_INSN
	and JUMP_INSNs.

2025-01-11  mengqinggang  <mengqinggang@loongson.cn>

	* config/loongarch/lasx.md: Use new loongarch_output_move.
	* config/loongarch/loongarch-protos.h (loongarch_output_move):
	Change parameters from (rtx, rtx) to (rtx *).
	* config/loongarch/loongarch.cc (loongarch_output_move):
	Generate final immediate for lu12i.w and lu52i.d.
	* config/loongarch/loongarch.md:
	Generate final immediate for lu32i.d and lu52i.d.
	* config/loongarch/lsx.md: Use new loongarch_output_move.

2025-01-11  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/88575
	* vr-values.cc (simplify_using_ranges::fold_cond_with_ops): Query
	relation between op0 and op1 and utilize it.
	(simplify_using_ranges::simplify): Do not eliminate float checks.

2025-01-10  Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/118211
	PR tree-optimization/116126
	* tree-vect-loop.cc (vect_compute_single_scalar_iteration_cost):
	Don't skip over gconds.

2025-01-10  Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/118211
	PR tree-optimization/116126
	* tree-vect-loop-manip.cc (vect_do_peeling): Adjust skip_vector
	condition to only omit the edge if we're versioning for
	alignment.

2025-01-10  Tamar Christina  <Tamar.Christina@arm.com>
	    Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/118211
	PR tree-optimization/116126
	* tree-vect-loop-manip.cc (vect_do_peeling): Update immediate
	dominators of nodes that were dominated by the prolog skip block
	after inserting vector skip edge.  Initialize prolog variable to
	NULL to avoid bogus -Wmaybe-uninitialized during bootstrap.

2025-01-10  Alex Coplan  <alex.coplan@arm.com>

	PR tree-optimization/118211
	PR tree-optimization/116126
	* tree-vect-loop-manip.cc (vect_do_peeling): Avoid emitting an
	epilogue guard for inverted early-exit loops.

2025-01-10  Alex Coplan  <alex.coplan@arm.com>
	    Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/118211
	PR tree-optimization/116126
	* tree-vect-data-refs.cc (vect_analyze_early_break_dependences):
	Set need_peeling_for_alignment flag on read DRs instead of
	failing vectorization.  Punt on gathers.
	(dr_misalignment): Handle non-constant target alignments.
	(vect_compute_data_ref_alignment): If need_peeling_for_alignment
	flag is set on the DR, then override the target alignment chosen
	by the preferred_vector_alignment hook to choose a safe
	alignment.
	(vect_supportable_dr_alignment): Override
	support_vector_misalignment hook if need_peeling_for_alignment
	is set on the DR: in this case we must return
	dr_unaligned_unsupported in order to force peeling.
	* tree-vect-loop-manip.cc (vect_do_peeling): Allow prolog
	peeling by a compile-time non-constant amount.
	* tree-vectorizer.h (dr_vec_info): Add new flag
	need_peeling_for_alignment.

2025-01-10  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-cores.def (AARCH64_CORE): Fix cortex-x4 parts
	num.

2025-01-10  Richard Biener  <rguenther@suse.de>

	* df-core.cc (rest_of_handle_df_finish): Release dflow for
	problems without free function (like LR).
	* gimple-crc-optimization.cc (crc_optimization::loop_may_calculate_crc):
	Release loop_bbs on all exits.
	* tree-vectorizer.h (supportable_indirect_convert_operation): Change.
	* tree-vect-generic.cc (expand_vector_conversion): Adjust.
	* tree-vect-stmts.cc (vectorizable_conversion): Use auto_vec for
	converts.
	(supportable_indirect_convert_operation): Get a reference to
	the output vector of converts.

2025-01-10  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/118332
	* config/arm/arm-mve-builtins.cc (wrap_type_in_struct): Delete.
	(register_type_decl): Delete.
	(register_builtin_tuple_types): Use
	lang_hooks.types.simulate_record_decl.

2025-01-10  Richard Biener  <rguenther@suse.de>

	* gcse.cc (pass_hardreg_pre::gate): Wrap possibly unused
	fun argument.

2025-01-10  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/117467
	PR rtl-optimization/117934
	* ext-dce.cc (ext_dce_execute): Do nothing if a memory
	allocation estimate exceeds what is allowed by
	--param max-gcse-memory.

2025-01-10  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	* config/s390/s390-protos.h (s390_emit_compare): Add mode
	parameter for the resulting RTX.
	* config/s390/s390.cc (s390_emit_compare): Dito.
	(s390_emit_compare_and_swap): Change.
	(s390_expand_vec_strlen): Change.
	(s390_expand_cs_hqi): Change.
	(s390_expand_split_stack_prologue): Change.
	* config/s390/s390.md (*add<mode>3_carry1_cc): Renamed to ...
	(add<mode>3_carry1_cc): this and in order to use the
	corresponding gen function, encode CC mode into pattern.
	(*sub<mode>3_borrow_cc): Renamed to ...
	(sub<mode>3_borrow_cc): this and in order to use the
	corresponding gen function, encode CC mode into pattern.
	(*add<mode>3_alc_carry1_cc): Renamed to ...
	(add<mode>3_alc_carry1_cc): this and in order to use the
	corresponding gen function, encode CC mode into pattern.
	(sub<mode>3_slb_borrow1_cc): New.
	(uaddc<mode>5): New.
	(usubc<mode>5): New.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* doc/passes.texi: Document hardreg PRE pass.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64.h (HARDREG_PRE_REGNOS): New macro.
	* gcse.cc (doing_hardreg_pre_p): New global variable.
	(do_load_motion): New boolean check.
	(current_hardreg_regno): New global variable.
	(compute_local_properties): Unset transp for hardreg clobbers.
	(prune_hardreg_uses): New function.
	(want_to_gcse_p): Use different checks for hardreg PRE.
	(oprs_unchanged_p): Disable load motion for hardreg PRE pass.
	(hash_scan_set): For hardreg PRE, skip non-hardreg sets and
	check for hardreg clobbers.
	(record_last_mem_set_info): Skip for hardreg PRE.
	(compute_pre_data): Prune hardreg uses from transp bitmap.
	(pre_expr_reaches_here_p_work): Add sentence to comment.
	(insert_insn_start_basic_block): New functions.
	(pre_edge_insert): Don't add hardreg sets to predecessor block.
	(pre_delete): Use hardreg for the reaching reg.
	(reset_hardreg_debug_uses): New function.
	(pre_gcse): For hardreg PRE, reset debug uses and don't insert
	copies.
	(one_pre_gcse_pass): Disable load motion for hardreg PRE.
	(execute_hardreg_pre): New.
	(class pass_hardreg_pre): New.
	(pass_hardreg_pre::gate): New.
	(make_pass_hardreg_pre): New.
	* passes.def (pass_hardreg_pre): New pass.
	* tree-pass.h (make_pass_hardreg_pre): New.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* multiple_target.cc
	(redirect_to_specific_clone): Assert that "target" attribute is
	used for FMV before checking it.
	(ipa_target_clone): Skip redirect_to_specific_clone on some
	targets.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* doc/invoke.texi: Add new AArch64 flags.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_7A): Add XS.
	* config/aarch64/aarch64-option-extensions.def (XS): New flag.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_7A): Add WFXT.
	* config/aarch64/aarch64-option-extensions.def (WFXT): New flag.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_4A): Add RCPC2.
	* config/aarch64/aarch64-option-extensions.def
	(RCPC2): New flag.
	(RCPC3): Add RCPC2 dependency.
	* config/aarch64/aarch64.h (TARGET_RCPC2): Use new flag.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_5A): Add FLAGM2.
	* config/aarch64/aarch64-option-extensions.def (FLAGM2): New flag.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_5A): Add FRINTTS
	* config/aarch64/aarch64-option-extensions.def (FRINTTS): New flag.
	* config/aarch64/aarch64.h (TARGET_FRINT): Use new flag.
	* config/aarch64/arm_acle.h: Use new flag for frintts intrinsics.
	* config/aarch64/arm_neon.h: Ditto.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_3A): Add JSCVT.
	* config/aarch64/aarch64-option-extensions.def (JSCVT): New flag.
	* config/aarch64/aarch64.h (TARGET_JSCVT): Use new flag.
	* config/aarch64/arm_acle.h: Use new flag for jscvt intrinsics.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64-arches.def (V8_3A): Add FCMA.
	* config/aarch64/aarch64-option-extensions.def (FCMA): New flag.
	(SVE): Add FCMA dependency.
	* config/aarch64/aarch64.h (TARGET_COMPLEX): Use new flag.
	* config/aarch64/arm_neon.h: Use new flag for fcma intrinsics.

2025-01-10  Andrew Carlotti  <andrew.carlotti@arm.com>

	* config/aarch64/aarch64.cc
	(aarch64_expand_epilogue): Use TARGET_PAUTH.
	* config/aarch64/aarch64.md: Update comment.

2025-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/117186
	* rtl.h (simplify_context::simplify_logical_relational_operation): Add
	an invert0_p parameter.
	* simplify-rtx.cc (unsigned_comparison_to_mask): New function.
	(mask_to_unsigned_comparison): Likewise.
	(comparison_code_valid_for_mode): Delete.
	(simplify_context::simplify_logical_relational_operation): Add
	an invert0_p parameter.  Handle AND and XOR.  Handle unsigned
	comparisons.  Handle always-false results.  Ignore the low bit
	of the mask if the operands are always ordered and remove the
	then-redundant check of comparison_code_valid_for_mode.  Check
	for side-effects in the operands before simplifying them away.
	(simplify_context::simplify_binary_operation_1): Remove
	simplification of (compare (gt ...) (lt ...)) and instead...
	(simplify_context::simplify_relational_operation_1): ...handle
	comparisons of comparisons here.
	(test_comparisons): New function.
	(test_scalar_ops): Call it.

2025-01-10  Alexandre Oliva  <oliva@adacore.com>

	* gimple-fold.cc (decode_field_reference): Drop misuses of
	uniform_integer_cst_p.
	(fold_truth_andor_for_ifcombine): Likewise.

2025-01-10  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118344
	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Fix typo in
	rr_and_mask's type adjustment test.

2025-01-10  Alexandre Oliva  <oliva@adacore.com>

	* gimple-fold.cc (decode_field_reference): Add xor_pand_mask.
	Propagate pand_mask to the right-hand xor operand.  Don't
	require the right-hand xor operand to be a constant.
	(fold_truth_andor_for_ifcombine): Pass right-hand mask when
	appropriate.

2025-01-10  Alexandre Oliva  <oliva@adacore.com>

	PR tree-optimization/118206
	* gimple-fold.cc (decode_field_reference): Account for upper
	bits dropped by narrowing conversions whether before or after
	a right shift.
	(fold_truth_andor_for_ifcombine): Fold masks, compares, and
	combined results.

2025-01-10  Alexandre Oliva  <oliva@adacore.com>

	* gimple-fold.cc (fold_truth_andor_for_ifcombine): Limit
	boundary choice by word size as well.  Try aligned double-word
	loads as a last resort.

2025-01-10  Martin Jambor  <mjambor@suse.cz>

	PR ipa/118138
	* ipa-cp.cc (ipacp_value_safe_for_type): Return the appropriate
	type instead of a bool, accept NULL_TREE VALUEs.
	(propagate_vals_across_arith_jfunc): Use the new returned value of
	ipacp_value_safe_for_type.
	(propagate_vals_across_ancestor): Likewise.
	(propagate_scalar_across_jump_function): Likewise.

2025-01-10  chenxiaolong  <chenxiaolong@loongson.cn>
	    Deng Jianbo  <dengjianbo@loongson.cn>.

	* config/loongarch/loongarch.cc
	(loongarch_builtin_vectorization_cost): Modify the
	construction cost of the vec_construct vector.

2025-01-09  Tamar Christina  <tamar.christina@arm.com>

	PR target/118188
	* config/aarch64/aarch64.cc (aarch64_vector_costs::count_ops): Adjust
	throughput of emulated gather and scatters.

2025-01-09  Vladimir N. Makarov  <vmakarov@redhat.com>

	PR target/118017
	* lra-constraints.cc (inherit_reload_reg): Check reg class on uniformity.

2025-01-09  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>

	PR target/118362
	* config/s390/s390.cc (s390_constant_via_vgbm_p): Allow at most
	16-byte vectors.

2025-01-09  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/118131
	* config/arm/arm.h (VALID_MVE_STRUCT_MODE): Accept TI, OI and XI
	modes again.

2025-01-09  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.cc (nvptx_get_drap_rtx): Handle
	'!TARGET_SOFT_STACK'.
	* config/nvptx/nvptx.md (define_c_enum "unspec"): Add
	'UNSPEC_STACKSAVE', 'UNSPEC_STACKRESTORE'.
	(define_expand "allocate_stack", define_expand "save_stack_block")
	(define_expand "save_stack_block"): Handle '!TARGET_SOFT_STACK',
	PTX 'alloca'.
	(define_insn "@nvptx_alloca_<mode>")
	(define_insn "@nvptx_stacksave_<mode>")
	(define_insn "@nvptx_stackrestore_<mode>"): New.
	* doc/invoke.texi (Nvidia PTX Options): Update '-msoft-stack',
	'-mno-soft-stack'.
	* doc/sourcebuild.texi (nvptx-specific attributes): Document
	'nvptx_runtime_alloca_ptx'.
	(Add Options): Document 'nvptx_alloca_ptx'.

2025-01-09  Richard Biener  <rguenther@suse.de>

	* cfgloopmanip.cc (duplicate_loop_body_to_header_edge): When
	copying to the header edge first redirect the entry to the
	new loop and then the exit to the old to avoid PHI node
	re-allocation.

2025-01-09  H.J. Lu  <hjl.tools@gmail.com>

	PR rtl-optimization/118266
	* ree.cc (add_removable_extension): Skip extension on fixed
	register.

2025-01-09  Jakub Jelinek  <jakub@redhat.com>
	    Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/117927
	* tree-pass.h (PROP_last_full_fold): Define.
	* passes.def: Add last= parameters to pass_forwprop.
	* tree-ssa-forwprop.cc (pass_forwprop): Add last_p non-static
	data member and initialize it in the ctor.
	(pass_forwprop::set_pass_param): New method.
	(pass_forwprop::execute): Set PROP_last_full_fold in curr_properties
	at the start if last_p.
	* match.pd (a rrotate (32-b) -> a lrotate b): Only optimize either
	if @2 is known not to be equal to prec or if during/after last
	forwprop the subtraction has single use and prec is power of two; in
	that case transform it into orotate by masked count.

2025-01-09  Haochen Jiang  <haochen.jiang@intel.com>

	* common/config/i386/cpuinfo.h (get_intel_cpu): Remove 0x00.

2025-01-09  xuli  <xuli1@eswincomputing.com>

	* config/riscv/riscv-vector-builtins.cc (function_builder::add_unique_function):
	Only register overloaded intrinsic for g++.
	Only insert non_overloaded_function_table for gcc.
	(function_builder::add_overloaded_function): Only register overloaded intrinsic for gcc.
	(handle_pragma_vector): Only initialize non_overloaded_function_table for gcc.

2025-01-09  Tobias Burnus  <tburnus@baylibre.com>

	* builtin-types.def (BT_FN_PTRMODE_PTR_INT_PTR): Add.
	* gimplify.cc (gimplify_call_expr): Add error for multiple
	list items to the OpenMP interop clause if no device clause;
	continue instead of restarting after append_args handling.
	(gimplify_omp_dispatch): Extract device number from the
	single interop-clause list item.
	* omp-builtins.def (BUILT_IN_OMP_GET_INTEROP_INT): Add.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.cc (default_ptx_version_option): For
	'-march=sm_52' and higher, default at least to '-mptx=7.3'.
	* doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* config/nvptx/nvptx-opts.h (enum ptx_version): Add
	'PTX_VERSION_7_3'.
	* config/nvptx/nvptx.cc (ptx_version_to_string)
	(ptx_version_to_number): Adjust.
	* config/nvptx/nvptx.h (TARGET_PTX_7_3): New.
	* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'
	'7.3' for 'PTX_VERSION_7_3'.
	* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=7.3'.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	'nvptx_softstack'.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.h (STACK_SAVEAREA_MODE): '#define'.
	* config/nvptx/nvptx.md [!TARGET_SOFT_STACK]
	(save_stack_function): 'define_expand'.
	(restore_stack_function): Handle '!TARGET_SOFT_STACK'.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	PR target/65181
	* config/nvptx/nvptx.md [!TARGET_SOFT_STACK] (save_stack_block):
	'define_expand'.

2025-01-08  Thiago Jung Bauermann  <thiago.bauermann@linaro.org>

	* configure.ac: Fix check for HAVE_GAS_SHF_MERGE on Arm targets.
	* configure: Regenerate.

2025-01-08  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/107102
	* config/aarch64/aarch64.cc (aarch64_function_ok_for_sibcall): Only
	reject calls with different PCSes if the callee clobbers register
	state that the caller must preserve.

2025-01-08  Tobias Burnus  <tburnus@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Disable variant function's
	append_args in 'omp dispatch' when invoking the variant directly
	and not through the base function.

2025-01-08  Thomas Schwinge  <tschwinge@baylibre.com>

	* doc/invoke.texi (Nvidia PTX Options): Update '-march-map=sm_50'.

2025-01-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/117979
	* tree-ssa-dce.cc (make_forwarders_with_degenerate_phis):
	Properly update the irreducible region state.

2025-01-08  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.cc (break_out_comdat_types): Copy over
	DW_AT_language_{name,version} if present.
	(output_skeleton_debug_sections): Remove also
	DW_AT_language_{name,version}.
	(gen_compile_unit_die): For C17, C23, C2Y, C++17, C++20, C++23
	and C++26 emit for -gdwarf-5 -gno-strict-dwarf also
	DW_AT_language_{name,version} attributes.

2025-01-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/118325
	* tree-nested.cc (convert_nl_goto_reference): Assign proper
	context to generated artificial label.

2025-01-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118269
	* tree-vect-loop.cc (vect_create_epilog_for_reduction):
	Use the correct stmt for the REDUC_GROUP_FIRST_ELEMENT lookup.

2025-01-08  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/118332
	* config/arm/arm-mve-builtins.cc (wrap_type_in_struct): Use 'val'
	instead of '__val'.

2025-01-08  Haochen Jiang  <haochen.jiang@intel.com>

	* config/i386/amxavx512intrin.h
	(_tile_cvtrowps2pbf16h_internal): Rename to...
	(_tile_cvtrowps2bf16h_internal): ...this.
	(_tile_cvtrowps2pbf16hi_internal): Rename to...
	(_tile_cvtrowps2bf16hi_internal): ...this.
	(_tile_cvtrowps2pbf16l_internal): Rename to...
	(_tile_cvtrowps2bf16l_internal): ...this.
	(_tile_cvtrowps2pbf16li_internal): Rename to...
	(_tile_cvtrowps2bf16li_internal): ...this.
	(_tile_cvtrowps2pbf16h): Rename to...
	(_tile_cvtrowps2bf16h): ...this.
	(_tile_cvtrowps2pbf16hi): Rename to...
	(_tile_cvtrowps2bf16hi): ...this.
	(_tile_cvtrowps2pbf16l): Rename to...
	(_tile_cvtrowps2bf16l): ...this.
	(_tile_cvtrowps2pbf16li): Rename to...
	(_tile_cvtrowps2bf16li): ...this.

2025-01-08  Hongyu Wang  <hongyu.wang@intel.com>

	* config/i386/i386.cc (ix86_noce_max_ifcvt_seq_cost): Adjust
	cost with ix86_tune_cost->br_mispredict_scale.
	* config/i386/i386.h (processor_costs): Add br_mispredict_scale.
	* config/i386/x86-tune-costs.h: Add new br_mispredict_scale to
	all processor_costs, in which icelake_cost/alderlake_cost
	with value COSTS_N_INSNS (2) + 3 and other processor with value
	COSTS_N_INSNS (2).

2025-01-07  Pan Li  <pan2.li@intel.com>

	* match.pd: Update comments for sat_* pattern.

2025-01-07  Pan Li  <pan2.li@intel.com>

	* match.pd: Extract saturated value match for signed SAT_*.

2025-01-07  Pan Li  <pan2.li@intel.com>

	* match.pd: Refactor sorts of signed SAT_TRUNC match patterns

2025-01-07  Pan Li  <pan2.li@intel.com>

	* match.pd: Refactor sorts of signed SAT_SUB match patterns.

2025-01-07  Vineet Gupta  <vineetg@rivosinc.com>
	    Pan Li  <pan2.li@intel.com>

	PR target/117722
	* config/riscv/autovec.md: Add uabd expander.

2025-01-07  Tsung Chun Lin  <tclin914@gmail.com>

	* expr.cc (widest_fixed_size_mode_for_size): Prefer scalar modes
	over vector modes in more cases.

2025-01-07  Andreas Schwab  <schwab@suse.de>

	PR target/118137
	* config/riscv/sync.md ("lrsc_atomic_exchange<mode>"): Apply mask
	to shifted value.

2025-01-07  Jeff Law  <jlaw@ventanamicro.com>

	* config/ft32/ft32.md (casesi expander): Force operands[2] into
	a register if it's not a suitable rimm operand.

2025-01-07  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* common/config/aarch64/aarch64-common.cc: Switch off fschedule_insns.

2025-01-07  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/aarch64.md (movhf_aarch64): Use aarch64_valid_fp_move.
	(movsf_aarch64): Likewise.
	(movdf_aarch64): Likewise.
	* config/aarch64/aarch64.cc (aarch64_valid_fp_move): New function.
	* config/aarch64/aarch64-protos.h (aarch64_valid_fp_move): Likewise.

2025-01-07  Paul-Antoine Arras  <parras@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Create variable
	variant_substituted_p to control whether adjust_args applies.

2025-01-07  Tamar Christina  <tamar.christina@arm.com>

	PR tree-optimization/114932
	* tree-ssa-loop-ivopts.cc (alloc_iv): Perform affine unsigned fold.

2025-01-07  Andrew Pinski  <quic_apinski@quicinc.com>

	PR tree-optimization/105769
	* cfgexpand.cc (vars_ssa_cache::operator()): For constructors
	walk over the elements.

2025-01-07  Andrew Pinski  <quic_apinski@quicinc.com>

	PR middle-end/117426
	PR middle-end/111422
	* cfgexpand.cc (struct vars_ssa_cache): New class.
	(vars_ssa_cache::vars_ssa_cache): New constructor.
	(vars_ssa_cache::~vars_ssa_cache): New deconstructor.
	(vars_ssa_cache::create): New method.
	(vars_ssa_cache::exists): New method.
	(vars_ssa_cache::add_one): New method.
	(vars_ssa_cache::update): New method.
	(vars_ssa_cache::dump): New method.
	(add_scope_conflicts_2): Factor mostly out to
	vars_ssa_cache::operator(). New cache argument.
	Walk the bitmap cache for the stack variables addresses.
	(vars_ssa_cache::operator()): New method factored out from
	add_scope_conflicts_2. Rewrite to be a full walk of all operands
	and use a worklist.
	(add_scope_conflicts_1): Add cache new argument for the addr cache.
	Just call add_scope_conflicts_2 for the phi result instead of calling
	for the uses and don't call walk_stmt_load_store_addr_ops for phis.
	Update call to add_scope_conflicts_2 to add cache argument.
	(add_scope_conflicts): Add cache argument and update calls to
	add_scope_conflicts_1.

2025-01-07  Andrew Pinski  <quic_apinski@quicinc.com>

	* cfgexpand.cc (INVALID_STACK_INDEX): New defined.
	(decl_stack_index): New function.
	(visit_op): Use decl_stack_index.
	(visit_conflict): Likewise.
	(add_scope_conflicts_1): Likewise.

2025-01-07  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/118298
	* loop-unroll.cc (decide_unroll_constant_iterations): Honor
	loop->unroll even if the loop is too big for heuristics.

2025-01-07  Deng Jianbo  <dengjianbo@loongson.cn>

	* config/loongarch/loongarch.cc (loongarch_output_move):
	Optimize instructions for initializing fp regsiter to zero.

2025-01-07  Gaius Mulley  <gaiusmod2@gmail.com>

	PR modula2/118010
	* doc/gm2.texi (Compiler options): New option
	-fm2-file-offset-bits=.

2025-01-07  Jennifer Schmitz  <jschmitz@nvidia.com>

	* tree-vect-stmts.cc (vectorizable_store): Extend the use of
	n_adjacent_stores to also cover vec_to_scalar operations.
	* config/aarch64/aarch64-tuning-flags.def: Remove
	use_new_vector_costs as tuning option.
	* config/aarch64/aarch64.cc (aarch64_use_new_vector_costs_p):
	Remove.
	(aarch64_vector_costs::add_stmt_cost): Remove use of
	aarch64_use_new_vector_costs_p.
	(aarch64_vector_costs::finish_cost): Remove use of
	aarch64_use_new_vector_costs_p.
	* config/aarch64/tuning_models/cortexx925.h: Remove
	AARCH64_EXTRA_TUNE_USE_NEW_VECTOR_COSTS.
	* config/aarch64/tuning_models/fujitsu_monaka.h: Likewise.
	* config/aarch64/tuning_models/generic_armv8_a.h: Likewise.
	* config/aarch64/tuning_models/generic_armv9_a.h: Likewise.
	* config/aarch64/tuning_models/neoverse512tvb.h: Likewise.
	* config/aarch64/tuning_models/neoversen2.h: Likewise.
	* config/aarch64/tuning_models/neoversen3.h: Likewise.
	* config/aarch64/tuning_models/neoversev1.h: Likewise.
	* config/aarch64/tuning_models/neoversev2.h: Likewise.
	* config/aarch64/tuning_models/neoversev3.h: Likewise.
	* config/aarch64/tuning_models/neoversev3ae.h: Likewise.

2025-01-06  Alexandre Oliva  <oliva@adacore.com>

	PR middle-end/118006
	* cfgexpand.cc (expand_gimple_basic_block): Do not emit
	pending stack adjustments after a barrier.

2025-01-06  Akram Ahmad  <Akram.Ahmad@arm.com>

	* config/aarch64/aarch64-simd.md: (*aarch64_trunc_concat)
	new insn definition.

2025-01-06  Fangrui Song  <maskray@gcc.gnu.org>

	PR gcov-profile/96092
	* coverage.cc (coverage_init): Remap getpwd().

2025-01-06  Jennifer Schmitz  <jschmitz@nvidia.com>

	* config/aarch64/aarch64-sve-builtins-base.cc
	(svmul_impl::fold): Wrap code for folding to svneg in lambda
	function and pass to gimple_folder::convert_and_fold to enable
	the transform for unsigned types.
	* config/aarch64/aarch64-sve-builtins.cc
	(gimple_folder::convert_and_fold): New function that converts
	operands to target type before calling callback function, adding the
	necessary conversion statements.
	(gimple_folder::redirect_call): Set fntype of redirected call.
	(get_vector_type): Move from here to aarch64-sve-builtins.h.
	* config/aarch64/aarch64-sve-builtins.h
	(gimple_folder::convert_and_fold): Declare function.
	(get_vector_type): Move here as inline function.

2025-01-06  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.cc (ipcp_print_widest_int): New function.
	(ipcp_store_vr_results): Use it.
	(ipcp_bits_lattice::print): Likewise.  Fix formatting.

2025-01-06  Mark Wielaard  <mark@klomp.org>

	PR tree-optimization/118032
	* tree-switch-conversion.cc (jump_table_cluster::find_jump_tables):
	Remove param_switch_lower_slow_alg_max_cases check.

2025-01-06  Tamar Christina  <tamar.christina@arm.com>

	PR target/96342
	PR target/118272
	* config/aarch64/aarch64-sve.md (vec_init<mode><Vquad>,
	vec_initvnx16qivnx2qi): New.
	* config/aarch64/aarch64.cc (aarch64_sve_expand_vector_init_subvector):
	Rewrite to support any arbitrary combinations.
	* config/aarch64/iterators.md (SVE_NO2E): Update to use SVE_NO4E
	(SVE_NO2E, Vquad): New.

2025-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/118224
	* tree-ssa-dce.cc (is_removable_allocation_p): Don't return true
	for allocations with constant size argument larger than PTRDIFF_MAX
	or for calloc with one of the arguments constant larger than
	PTRDIFF_MAX or their product known constant above PTRDIFF_MAX.
	Fix comment typos, furhter -> further and then -> than.
	* lto-section-in.cc (lto_free_function_in_decl_state_for_node):
	Fix comment typo, furhter -> further.

2025-01-04  Hans-Peter Nilsson  <hp@axis.com>

	* config/mmix/mmix.cc (mmix_asm_output_labelref): Replace '.'
	with '::'.
	* config/mmix/mmix.h (ASM_PN_FORMAT): Define to actual default.

2025-01-03  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/117938
	* rtlanal.cc (rtx_properties::try_to_add_dest): Treat writes
	to the stack pointer as also writing to memory.

2025-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/118275
	* varasm.cc (array_size_for_constructor): Use build_int_cst
	with TREE_TYPE (index) as first argument, instead of bitsize_int.

2025-01-03  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-forwprop.cc (check_ctz_array): Use tree_fits_shwi_p instead
	of just TREE_CODE tests for INTEGER_CST.

2025-01-03  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config.gcc: install a wrapping stdint.h in bpf targets.

2025-01-02  Paul-Antoine Arras  <parras@baylibre.com>

	* gimplify.cc (gimplify_call_expr): Fix handling of need_device_ptr for
	type(c_ptr). Fix handling of nested function calls in a dispatch region.
	(find_ifn_gomp_dispatch): Return the IFN without stripping it.
	(gimplify_omp_dispatch): Keep IFN_GOMP_DISPATCH until
	gimplify_call_expr.

2025-01-02  Tobias Burnus  <tburnus@baylibre.com>

	* doc/install.texi (amdgcn-x-amdhsa): Refer to Newlib 4.5.0 for
	the I/O locking fixes.

2025-01-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/118171
	* tree-ssa-pre.cc (create_component_ref_by_pieces_1): Do not
	fold any component ref parts.

2025-01-02  Richard Sandiford  <richard.sandiford@arm.com>

	PR target/118184
	* config/aarch64/aarch64-early-ra.cc (allocno_assignment_is_rmw):
	New function.
	(early_ra::record_insn_defs): Mark the live range information as
	untrustworthy if an assignment would change part of an allocno
	but preserve the rest.

2025-01-02  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-forwprop.cc (check_ctz_array): Handle also RAW_DATA_CST
	in the CONSTRUCTOR_ELTS.

2025-01-02  Jakub Jelinek  <jakub@redhat.com>

	* doc/libgdiagnostics/conf.py: Use u'' instead of '' in
	project and copyright initialization.

2025-01-02  Jakub Jelinek  <jakub@redhat.com>

	* gcc.cc (process_command): Update copyright notice dates.
	* gcov-dump.cc (print_version): Ditto.
	* gcov.cc (print_version): Ditto.
	* gcov-tool.cc (print_version): Ditto.
	* gengtype.cc (create_file): Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/loongarch.cc
	(loongarch_expand_conditional_move): Add some optimization
	implementations based on noce_try_cmove_arith.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md (lasx_xvabsd_s_<lasxfmt>): Remove.
	(<su>abd<mode>3): New insn pattern.
	(lasx_xvabsd_u_<lasxfmt_u>): Remove.
	* config/loongarch/loongarch-builtins.cc (CODE_FOR_lsx_vabsd_b):
	Rename.
	(CODE_FOR_lsx_vabsd_h): Ditto.
	(CODE_FOR_lsx_vabsd_w): Ditto.
	(CODE_FOR_lsx_vabsd_d): Ditto.
	(CODE_FOR_lsx_vabsd_bu): Ditto.
	(CODE_FOR_lsx_vabsd_hu): Ditto.
	(CODE_FOR_lsx_vabsd_wu): Ditto.
	(CODE_FOR_lsx_vabsd_du): Ditto.
	(CODE_FOR_lasx_xvabsd_b): Ditto.
	(CODE_FOR_lasx_xvabsd_h): Ditto.
	(CODE_FOR_lasx_xvabsd_w): Ditto.
	(CODE_FOR_lasx_xvabsd_d): Ditto.
	(CODE_FOR_lasx_xvabsd_bu): Ditto.
	(CODE_FOR_lasx_xvabsd_hu): Ditto.
	(CODE_FOR_lasx_xvabsd_wu): Ditto.
	(CODE_FOR_lasx_xvabsd_du): Ditto.
	* config/loongarch/loongarch.md (u): Add smax/umax.
	* config/loongarch/lsx.md (SU_MAX): New iterator.
	(su_min): New attr.
	(lsx_vabsd_s_<lsxfmt>): Remove.
	(<su>abd<mode>3): New insn pattern.
	(lsx_vabsd_u_<lsxfmt_u>): Remove.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md (vec_unpacks_lo_<mode>): Redefine.
	(vec_unpacku_lo_<mode>): Ditto.
	(lasx_vext2xv_h<u>_b<u>): Replaced by vec_unpack<su>_lo_v32qi.
	(vec_unpack<su>_lo_v32qi): New insn.
	(lasx_vext2xv_w<u>_h<u>): Replaced by vec_unpack<su>_lo_v16hi.
	(vec_unpack<su>_lo_v16qi_internal): New insn, for 128 bits.
	(vec_unpack<su>_lo_v16hi): New insn.
	(lasx_vext2xv_d<u>_w<u>): Replaced by vec_unpack<su>_lo_v8si.
	(vec_unpack<su>_lo_v8hi_internal): New insn, for 128 bits.
	(vec_unpack<su>_lo_v8si): New insn.
	(vec_unpack<su>_lo_v4si_internal): New insn, for 128 bits.
	(vec_packs_float_v4di): New expander.
	(vec_pack_sfix_trunc_v4df): Ditto.
	(vec_unpacks_float_hi_v8si): Ditto.
	(vec_unpacks_float_lo_v8si): Ditto.
	(vec_unpack_sfix_trunc_hi_v8sf): Ditto.
	(vec_unpack_sfix_trunc_lo_v8sf): Ditto.
	* config/loongarch/loongarch-builtins.cc
	(CODE_FOR_lsx_vftintrz_w_d): Rename.
	(CODE_FOR_lsx_vftintrzh_l_s): Ditto.
	(CODE_FOR_lsx_vftintrzl_l_s): Ditto.
	(CODE_FOR_lsx_vffint_s_l): Ditto.
	(CODE_FOR_lsx_vffinth_d_w): Ditto.
	(CODE_FOR_lsx_vffintl_d_w): Ditto.
	(CODE_FOR_lsx_vexth_h_b): Ditto.
	(CODE_FOR_lsx_vexth_w_h): Ditto.
	(CODE_FOR_lsx_vexth_d_w): Ditto.
	(CODE_FOR_lsx_vexth_hu_bu): Ditto.
	(CODE_FOR_lsx_vexth_wu_hu): Ditto.
	(CODE_FOR_lsx_vexth_du_wu): Ditto.
	(CODE_FOR_lsx_vfcvth_d_s): Ditto.
	(CODE_FOR_lsx_vfcvtl_d_s): Ditto.
	(CODE_FOR_lasx_vext2xv_h_b): Ditto.
	(CODE_FOR_lasx_vext2xv_w_h): Ditto.
	(CODE_FOR_lasx_vext2xv_d_w): Ditto.
	(CODE_FOR_lasx_vext2xv_hu_bu): Ditto.
	(CODE_FOR_lasx_vext2xv_wu_hu): Ditto.
	(CODE_FOR_lasx_vext2xv_du_wu): Ditto.
	(loongarch_expand_builtin_insn): Swap source operands in
	CODE_FOR_lsx_vftintrz_w_d and CODE_FOR_lsx_vffint_s_l.
	* config/loongarch/loongarch-protos.h
	(loongarch_expand_vec_unpack): Remove useless parameter high_p.
	* config/loongarch/loongarch.cc (loongarch_expand_vec_unpack):
	Rewrite.
	* config/loongarch/lsx.md (vec_unpacks_hi_v4sf): Redefine.
	(vec_unpacks_lo_v4sf): Ditto.
	(vec_unpacks_hi_<mode>): Ditto.
	(vec_unpacku_hi_<mode>): Ditto.
	(lsx_vfcvth_d_s): Replaced by vec_unpacks_hi_v4sf.
	(lsx_vfcvtl_d_s): Replaced by vec_unpacks_lo_v4sf.
	(lsx_vffint_s_l): Replaced by vec_packs_float_v2di.
	(vec_packs_float_v2di): New insn.
	(lsx_vftintrz_w_d): Replaced by vec_pack_sfix_trunc_v2df.
	(vec_pack_sfix_trunc_v2df): New insn.
	(lsx_vffinth_d_w): Replaced by vec_unpacks_float_hi_v4si.
	(vec_unpacks_float_hi_v4si): New insn.
	(lsx_vffintl_d_w): Replaced by vec_unpacks_float_lo_v4si.
	(vec_unpacks_float_lo_v4si): New insn.
	(lsx_vftintrzh_l_s): Replaced by vec_unpack_sfix_trunc_hi_v4sf.
	(vec_unpack_sfix_trunc_hi_v4sf): New insn.
	(lsx_vftintrzl_l_s): Replaced by vec_unpack_sfix_trunc_lo_v4sf.
	(vec_unpack_sfix_trunc_lo_v4sf): New insn.
	(lsx_vexth_h<u>_b<u>): Replaced by vec_unpack<su>_hi_v16qi.
	(vec_unpack<su>_hi_v16qi): New insn.
	(lsx_vexth_w<u>_h<u>): Replaced by vec_unpack<su>_hi_v8hi.
	(vec_unpack<su>_hi_v8hi): New insn.
	(lsx_vexth_d<u>_w<u>): Replaced by vec_unpack<su>_hi_v4si.
	(vec_unpack<su>_hi_v4si): New insn.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/loongarch.md
	(bytepick_d_<bytepick_imm>_rev): New combiner.
	(bstrpick_alsl_paired): Reorder input operands.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md: Remove useless vec_select.
	* config/loongarch/predicates.md: Correct error predicate.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md: Fix selector index.

2025-01-02  Guo Jie  <guojie@loongson.cn>

	* config/loongarch/lasx.md: Remove useless code.
	* config/loongarch/lsx.md: Ditto.

2025-01-01  Sam James  <sam@gentoo.org>

	* doc/cpp.texi (Common Predefined Macros): Fix syntax.

2025-01-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/118174
	* tree-outof-ssa.cc (ssa_is_replaceable_p): Exclude tailcalls.

2025-01-01  Sandra Loosemore  <sloosemore@baylibre.com>

	* doc/invoke.texi (Option Summary): Put "M32C Options" and
	"Cygwin and MinGW Options" in alphabetical order.  Add
	cross-references.
	(Cygwin and MinGW Options): Likewise move the section to its
	correct alphabetical location.
	* config/lynx.opt.urls: Regenerated.
	* config/mingw/cygming.opt.urls: Regenerated.

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