[gcc r17-120] Daily bump.
GCC Administrator
gccadmin@gcc.gnu.org
Tue Apr 28 00:17:01 GMT 2026
https://gcc.gnu.org/g:e487b4ae3013b93d01406aaa6fbf9287bd704c3c
commit r17-120-ge487b4ae3013b93d01406aaa6fbf9287bd704c3c
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date: Tue Apr 28 00:16:32 2026 +0000
Daily bump.
Diff:
---
gcc/ChangeLog | 113 ++++++++++++++++++++++++++++++++++++++++++++++++
gcc/DATESTAMP | 2 +-
gcc/cp/ChangeLog | 24 ++++++++++
gcc/po/ChangeLog | 4 ++
gcc/testsuite/ChangeLog | 111 +++++++++++++++++++++++++++++++++++++++++++++++
libstdc++-v3/ChangeLog | 8 ++++
6 files changed, 261 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 24ab5dfde619..12bb46f01091 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,116 @@
+2026-04-27 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ PR tree-optimization/57650
+ * config/riscv/zicond.md: Generalize patterns which identify
+ a logical AND of an equality test and some other sCC insn to
+ handle more cases.
+
+2026-04-27 Soumya AR <soumyaa@nvidia.com>
+
+ * config/aarch64/aarch64-narrow-gp-writes.cc
+ (narrow_gp_writes::narrow_gp_writes): Remove redundant m_curr_insn
+ initialization.
+ (narrow_gp_writes::~narrow_gp_writes): Remove redundant m_curr_insn
+ de-initialization.
+
+2026-04-27 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * ext-dce.cc (promotion_candidate_info): New struct.
+ (copy_info): New struct.
+ (promotion_candidates, promotable_dests): New file-scope variables.
+ (consumed_by_candidate, promotion_copies): Likewise.
+ (ext_dce_try_promote_operation): New function to promote
+ sign/zero-extended arithmetic to wider mode.
+ (ext_dce_record_promotion_candidate): New function to record
+ promotion candidates for deferred chain analysis.
+ (ext_dce_promote_chained_candidates): New function to promote
+ only chained candidates.
+ (ext_dce_process_uses): Record candidates instead of promoting
+ immediately; propagate chain info through optimized copies.
+ (ext_dce_process_bb): Call ext_dce_promote_chained_candidates
+ after processing all insns in a block.
+ (ext_dce_init): Allocate chain detection bitmaps.
+ (ext_dce_finish): Free chain detection data structures.
+
+2026-04-27 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * ext-dce.cc (ext_dce_try_optimize_extension): Only remove
+ REG_EQUAL/EQUIV notes when validate_change succeeds.
+
+2026-04-27 Soumya AR <soumyaa@nvidia.com>
+
+ * config/aarch64/tuning_models/generic.h: Update br_mispredict_factor
+ to 7.
+
+2026-04-27 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * match.pd: Relax single_use for eq/ne when folded constant
+ is zero.
+
+2026-04-27 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ * lra-lives.cc (clear_sparseset_regnos, regnos_in_sparseset_p):
+ Use set instead of dead_set.
+
+2026-04-27 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ * ira-costs.cc (record_reg_classes): When calculating alt_cost use
+ the right cost of memory-reg move.
+ * ira-emit.cc (emit_move_list): Use load cost instead of store for
+ moving memory to reg.
+
+2026-04-27 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ * ira-build.cc (add_to_conflicts): Use sizeof(ira_object_p)
+ instead of sizeof(ira_allocno_t) for allocations.
+ * ira-color.cc (print_hard_reg_set): Fix printing hard reg set.
+ * ira-emit.cc (allocno_last_set, allocno_last_set_check): Remove
+ unused static variables.
+ * ira.cc (combine_and_move_insns): Fix dead note recognition.
+ (ira_remove_insn_scratches): Use dump_file instead of
+ ira_dump_file.
+ * lra-constraints.cc (match_reload): Remove always true condition.
+ (undo_optional_reloads): Fix recognition of clobber for assertion.
+
+2026-04-27 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
+
+ PR tree-optimization/124886
+ * match.pd ((X * C1) + (X << C2) -> X * (C1 + (1 << C2))): New pattern.
+
+2026-04-27 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ PR target/121268
+ * config/riscv/bitmanip.md: Add splitters to exploit identities
+ that relate subtraction and bitwise negation on 2's complement
+ arithmetic.
+
+2026-04-27 Muhammad Kamran <muhammad.kamran@arm.com>
+
+ * doc/sourcebuild.texi (Scan object metadata with readelf): Document
+ object-readelf-attributes, object-readelf-attributes-not,
+ object-readelf-notes, and object-readelf-notes-not as regex-based
+ checks with optional target/xfail selectors.
+
+2026-04-27 Netanel Komm <netanelkomm@gmail.com>
+
+ PR tree-optimization/93556
+ * gimple-fold.cc (gimple_fold_builtin_mempcpy): New function.
+ (gimple_fold_builtin): Handle BUILT_IN_MEMPCPY.
+
+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.
+
+2026-04-27 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.
+
2026-04-26 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/110262
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 17970483ad04..bf2612c1d525 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260427
+20260428
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 5571e1fd5834..c51be716a94f 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,27 @@
+2026-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/124978
+ PR c++/115314
+ * semantics.cc (finish_decltype_type): Check REFERENCE_REF_P
+ instead of INDIRECT_REF_P before stripping implicit dereferences.
+
+2026-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/124953
+ * module.cc (trees_in::tree_node) <tt_nttp_var>: Push the result
+ of get_template_parm_object to post_load_decls.
+ (post_load_processing): Call cp_finish_decl on any not yet
+ completed NTTP objects.
+ * pt.cc (get_template_parm_object): Don't call cp_finish_decl
+ when !check_init.
+
+2026-04-27 Jason Merrill <jason@redhat.com>
+
+ PR c++/124910
+ DR 2658
+ * constexpr.cc (reduced_constant_expression_p): Allow a union
+ with no active member.
+
2026-04-23 Patrick Palka <ppalka@redhat.com>
* module.cc (trees_out::core_vals) <case PTRMEM_CST>:
diff --git a/gcc/po/ChangeLog b/gcc/po/ChangeLog
index 3bf7edf3f5a9..0e1a8e6c7552 100644
--- a/gcc/po/ChangeLog
+++ b/gcc/po/ChangeLog
@@ -1,3 +1,7 @@
+2026-04-27 Joseph Myers <josmyers@redhat.com>
+
+ * sv.po: Update.
+
2026-04-22 Joseph Myers <josmyers@redhat.com>
* gcc.pot: Regenerate.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 739319d37095..2cd01582a9c8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,114 @@
+2026-04-27 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ PR tree-optimization/57650
+ * gcc.target/riscv/pr57650.c: New test.
+
+2026-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/124978
+ PR c++/115314
+ * g++.dg/cpp2a/nontype-class74.C: New test.
+
+2026-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/124953
+ * g++.dg/modules/tpl-nttp-3_a.H: New test.
+ * g++.dg/modules/tpl-nttp-3_b.C: New test.
+
+2026-04-27 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * gcc.target/riscv/ext-dce-promote-2.c: Update to verify both
+ chain promotions (sh1add, sh3add) and standalone skipping.
+ * gcc.target/riscv/ext-dce-promote-1.c: New file.
+
+2026-04-27 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * gcc.dg/tree-ssa/forwprop-pre-incr-cmp.c: New test.
+
+2026-04-27 Jason Merrill <jason@redhat.com>
+
+ PR c++/124910
+ DR 2658
+ * g++.dg/cpp2a/constexpr-union12.C: New test.
+
+2026-04-27 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
+
+ PR tree-optimization/124886
+ * gcc.dg/tree-ssa/pr124886.c: New test.
+
+2026-04-27 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ PR target/121268
+ * gcc.target/riscv/pr121268.c: New test.
+
+2026-04-27 Muhammad Kamran <muhammad.kamran@arm.com>
+
+ PR target/124365
+ * gcc.target/aarch64/lto/lto.exp: New DejaGnu test driver for LTO tests
+ for aarch64. Copied from gcc/testsuite/gcc.target/arm/lto/lto.exp with
+ minor changes.
+ * gcc.target/aarch64/lto/pr124365-build-attributes-1_0.c: New test
+ for build attributes with branch protection.
+ * gcc.target/aarch64/lto/pr124365-build-attributes-1_1.c: Companion
+ source file for the LTO test.
+ * gcc.target/aarch64/lto/pr124365-build-attributes-2_0.c: New test
+ for build attributes without branch protection.
+ * gcc.target/aarch64/lto/pr124365-build-attributes-2_1.c: Companion
+ source file for the LTO test with branch protection enabled.
+ * gcc.target/aarch64/lto/pr124365-gnu-property-1_0.c: New test for
+ `.note.gnu.property` with branch protection.
+ * gcc.target/aarch64/lto/pr124365-gnu-property-1_1.c: Companion
+ source file for the LTO test.
+ * gcc.target/aarch64/lto/pr124365-gnu-property-2_0.c: New test for
+ `.note.gnu.property` without branch protection.
+ * gcc.target/aarch64/lto/pr124365-gnu-property-2_1.c: Companion
+ source file for the LTO test with branch protection enabled.
+
+2026-04-27 Muhammad Kamran <muhammad.kamran@arm.com>
+
+ * lib/lto.exp (object-readelf): Accept a readelf option and a single
+ regex; match against full readelf output. Keep positive/negative
+ behaviour via wrappers.
+ (object-readelf-attributes, object-readelf-attributes-not,
+ object-readelf-notes, object-readelf-notes-not): Implement as wrappers
+ over the generic matcher.
+ * gcc.dg-selftests/dg-final.exp (dg_final_directive_check_num_args):
+ Update for object-readelf-* wrappers to regex-style arguments (1..3).
+ * gcc.target/arm/lto/pr61123-enum-size_0.c: Update to use
+ object-readelf-attributes with a single regex.
+
+2026-04-27 Netanel Komm <netanelkomm@gmail.com>
+
+ PR tree-optimization/93556
+ * gcc.dg/pr79223.c: Rename to gcc.dg/pr79223-1.c and update scans.
+ * gcc.dg/tree-prof/val-prof-7.c: Rename to
+ gcc.dg/tree-prof/val-prof-7-1.c and update scans.
+ * gcc.dg/tree-ssa/builtins-folding-gimple-3.c: Update scans.
+ * gcc.dg/builtin-mempcpy-1.c: New test.
+ * gcc.dg/builtin-mempcpy-2.c: New test.
+ * gcc.dg/pr79223-2.c: New test.
+ * gcc.dg/tree-prof/val-prof-7-2.c: New test.
+ * gcc.dg/tree-ssa/builtins-folding-gimple-4.c: New test.
+ * gcc.dg/pr79223-1.c: New file.
+ * gcc.dg/tree-prof/val-prof-7-1.c: New file.
+
+2026-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/124988
+ * gcc.dg/torture/bitint-95.c: Add bitint effective targets and
+ guard parts of test which need _BitInt(192) support with
+ __BITINT_MAXWIDTH__ >= 192.
+
+2026-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/125025
+ * gcc.dg/torture/pr125025.c: New testcase.
+
+2026-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/125019
+ * gcc.dg/pr125019.c: New testcase.
+
2026-04-26 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/110262
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 759e8280bdd4..c8ffba1bed54 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2026-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR libstdc++/125024
+ * include/std/type_traits (std::is_scalar): For
+ __cpp_impl_reflection >= 202506L handle is_reflection types as
+ scalar.
+ * testsuite/20_util/is_scalar/reflection.cc: New test.
+
2026-04-24 Tomasz Kamiński <tkaminsk@redhat.com>
* include/bits/chrono.h: Add static_assert requiring cv-unqualified
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