+2025-05-22 Joseph Myers <josmyers@redhat.com>
+
+ * doc/implement-c.texi: Document C23 implementation-defined
+ behavior.
+ (Constant expressions implementation, Types implementation): New
+ nodes.
+
+2025-05-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.cc (loc_list_from_tree_1) <COMPONENT_REF>: Add specific
+ handling of bit-fields for big-endian targets.
+
+2025-05-22 Alexandre Oliva <oliva@adacore.com>
+
+ * config/aarch64/aarch64-vxworks.h (TARGET_OS_USES_R18): Define.
+ Update comments.
+ * config/aarch64/aarch64.cc (aarch64_conditional_register_usage):
+ Mark x18 as fixed on VxWorks.
+ (aarch64_override_options_internal): Issue sorry message on
+ -fsanitize=shadow-call-stack if TARGET_OS_USES_R18.
+
+2025-05-22 Shreya Munnangi <smunnangi1@ventanamicro.com>
+
+ * config/riscv/riscv.cc (synthesize_and): When profitable, use a three
+ shift sequence to clear bits at both upper and lower bits rather than
+ synthesizing the constant mask.
+
+2025-05-22 Siarhei Volkau <lis8215@gmail.com>
+
+ PR target/70557
+ * config/riscv/riscv.md (movdi_32bit): Add "J" constraint to allow storing 0
+ directly to memory.
+
+2025-05-22 Andrew Pinski <quic_apinski@quicinc.com>
+
+ PR target/120372
+ * config/aarch64/aarch64.cc (aarch64_rtx_costs <case CONST_INSN>): Handle
+ if outer is COMPARE and the constant can be handled by the cmp instruction.
+
+2025-05-22 Andrew Pinski <quic_apinski@quicinc.com>
+
+ * expmed.cc (canonicalize_comparison): Use rtx_cost directly
+ instead of gen_move_insn. Print out the choice if dump is enabled.
+
+2025-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ * gimple-lower-bitint.cc (bitint_extended): New variable.
+ (bitint_large_huge::lower_shift_stmt): For LSHIFT_EXPR with
+ bitint_extended if lhs has most significant partial limb extend
+ it afterwards.
+
+2025-05-22 Xi Ruoyao <xry111@xry111.site>
+
+ * doc/md.texi: Document the 'q' constraint for LoongArch.
+
+2025-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/120360
+ * config/i386/predicates.md (x86_64_neg_const_int_operand): New
+ predicate.
+ * config/i386/i386.md (*cmp<mode>_plus_1): New pattern.
+
+2025-05-22 Shreya Munnangi <smunnangi1@ventanamicro.com>
+
+ * config/riscv/riscv.cc (synthesize_and): When profitable, use two
+ shift combinations to clear high or low bits rather than synthsizing
+ the constant.
+
2025-05-22 Pengxuan Zheng <quic_pzheng@quicinc.com>
* config/aarch64/aarch64.cc (aarch64_evpc_reencode): Copy zero_op0_p and
+2025-05-22 Jason Merrill <jason@redhat.com>
+
+ PR c++/120935
+ * cp-gimplify.cc (cp_fold): Check always_inline.
+
2025-05-21 Iain Sandoe <iain@sandoe.co.uk>
* coroutines.cc
+2025-05-22 Gaius Mulley <gaiusmod2@gmail.com>
+
+ PR modula2/120389
+ * gm2-compiler/M2GenGCC.mod (CodeXIndr): Check to see that
+ the type of left is assignment compatible with the type of
+ right.
+
2025-05-13 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/120253
+2025-05-22 Gaius Mulley <gaiusmod2@gmail.com>
+
+ PR modula2/120389
+ * gm2/iso/fail/badarray3.mod: New test.
+
+2025-05-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ * ada/acats/overflow.lst: Delete.
+ * ada/acats/run_all.sh: Do not process overflow.lst.
+
+2025-05-22 Jason Merrill <jason@redhat.com>
+
+ * g++.dg/opt/always_inline2.C: Correct PR number.
+
+2025-05-22 Jason Merrill <jason@redhat.com>
+
+ PR c++/120935
+ * g++.dg/opt/always_inline2.C: New test.
+ * g++.dg/debug/dwarf2/pubnames-2.C: Suppress -fimplicit-constexpr.
+ * g++.dg/debug/dwarf2/pubnames-3.C: Likewise.
+
+2025-05-22 Alexandre Oliva <oliva@adacore.com>
+
+ * gcc.dg/cwsc1.c (CHAIN, aarch64): x9 instead x18 for __vxworks.
+ * gcc.target/aarch64/reg-alloc-4.c: Drop x18-assigned asm
+ operand on vxworks.
+ * gcc.target/aarch64/shadow_call_stack_1.c: Don't expect
+ -ffixed-x18 error on vxworks, but rather the sorry message.
+ * gcc.target/aarch64/shadow_call_stack_2.c: Skip on vxworks.
+ * gcc.target/aarch64/shadow_call_stack_3.c: Likewise.
+ * gcc.target/aarch64/shadow_call_stack_4.c: Likewise.
+ * gcc.target/aarch64/shadow_call_stack_5.c: Likewise.
+ * gcc.target/aarch64/shadow_call_stack_6.c: Likewise.
+ * gcc.target/aarch64/shadow_call_stack_7.c: Likewise.
+ * gcc.target/aarch64/shadow_call_stack_8.c: Likewise.
+ * gcc.target/aarch64/stack-check-prologue-19.c: Likewise.
+ * gcc.target/aarch64/stack-check-prologue-20.c: Likewise.
+
+2025-05-22 Andrew Pinski <quic_apinski@quicinc.com>
+
+ PR target/120372
+ * gcc.target/aarch64/imm_choice_comparison-2.c: New test.
+
+2025-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.dg/bitintext.h: New file.
+ * gcc.dg/torture/bitint-82.c: New test.
+
+2025-05-22 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * lib/target-supports.exp (check_effective_target_arm_v8_1a_neon_ok_nocache): Use
+ -mcpu=unset on arm only.
+ (check_effective_target_arm_v8_2a_fp16_scalar_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_2a_fp16_neon_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_2a_dotprod_neon_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_2a_i8mm_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_2a_bf16_neon_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_3a_complex_neon_ok_nocache): Likewise.
+ (check_effective_target_arm_v8_3a_fp16_complex_neon_ok_nocache): Likewise.
+
+2025-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/120360
+ * gcc.target/i386/pr120360.c: New test.
+
+2025-05-22 Dongyan Chen <chendongyan@isrc.iscas.ac.cn>
+
+ * gcc.target/riscv/cset-sext-sfb.c: Skip for -Oz.
+ * gcc.target/riscv/zba-slliuw.c: Skip for -Og.
+
2025-05-21 Jeff Law <jlaw@ventanamicro.com>
PR target/120368
+2025-05-22 Alexandre Oliva <oliva@adacore.com>
+
+ * configure.tgt: Set partial_libatomic on *-*-vxworks*.
+ * configure.ac (PARTIAL_VXWORKS): New AM_CONDITIONAL.
+ * Makefile.am (libatomic_la_SOURCES): Select few sources for
+ PARTIAL_VXWORKS.
+ * configure, Makefile.in: Rebuilt.
+
2025-05-09 David Malcolm <dmalcolm@redhat.com>
PR other/116792
+2025-05-22 Jonathan Wakely <jwakely@redhat.com>
+ Tomasz KamiĆski <tkaminsk@redhat.com>
+
+ * include/bits/allocated_ptr.h (_Scoped_allocation): New class
+ template.
+
+2025-05-22 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/pstl/test_utils.h (ForwardIterator::operator++):
+ Fix return type.
+ (BidirectionalIterator::operator++): Likewise.
+ (BidirectionalIterator::operator--): Likewise.
+
+2025-05-22 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/120367
+ * include/bits/stl_vector.h (_M_range_initialize): Initialize
+ _M_impl._M_finish.
+ * testsuite/23_containers/vector/cons/from_range.cc: Check with
+ a type that throws on construction.
+ exceptions during construction.
+
2025-05-21 Alexandre Oliva <oliva@adacore.com>
* testsuite/21_strings/basic_string/numeric_conversions/char/stold.cc: