Daily bump.

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f0ddfe351359698a61756fbb5ed7d5c5b8358f39..00dec46427aaed4b99534c1eae54decfcec2f539 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,166 @@
+2026-05-19  Pengxuan Zheng  <pengxuan.zheng@oss.qualcomm.com>
+
+       PR target/123748
+       * config/aarch64/aarch64-simd.md (vec_packs_float_v2di): New pattern.
+
+2026-05-19  Christopher Bazley  <chris.bazley@arm.com>
+
+       * config/aarch64/aarch64.cc (aarch64_call_scalar_result_in_simd_reg_p):
+       New function to determine probabilistically whether a gcall
+       produces a scalar result in a SIMD/FP register.
+       (aarch64_scalar_op_to_vec_p): New function to determine
+       whether or not to add scalar_to_vec_cost per scalar operand
+       from which a vector is to be constructed.
+       (aarch64_external_adjust_stmt_cost): New function to adjust the
+       cost of an SLP tree node for a vec_construct that is fed by
+       values defined outside the vectorized region.
+       (aarch64_vector_costs::add_stmt_cost): Call the new
+       aarch64_external_adjust_stmt_cost function if we have an SLP
+       node and a vector type.
+
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * fold-const.cc (operand_compare::operand_equal_p): Handle
+       OMP_ARRAY_SECTION.
+       * gimplify.cc (gimplify_scan_omp_clauses): Call
+       omp_remove_duplicate_maps after partial clause expansion.
+       * omp-general.cc (omp_remove_duplicate_maps): New function.
+       * omp-general.h (omp_remove_duplicate_maps): Declare.
+       * omp-low.cc (install_var_field): Add new 'tree key_expr = NULL_TREE'
+       default parameter. Set splay-tree lookup key to key_expr instead of
+       var if key_expr is non-NULL. Adjust call to install_parm_decl.
+       Update comments.
+       (scan_sharing_clauses): Use clause tree expression as splay-tree key
+       for map/to/from and OpenACC firstprivate cases when installing the
+       variable field into the send/receive record type.
+       (lower_oacc_reductions): Adjust to find map-clause of reduction
+       variable, then create receiver-ref.
+       (lower_omp_target): Adjust to lookup var field using clause expression.
+
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/125348
+       * config/i386/i386-expand.cc (ix86_expand_builtin): Fix diagnostic
+       typo, forth -> fourth.
+
+2026-05-19  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/50481
+       * config/avr/avr.md (bitreverseqi2): New insn-and-split.
+       (*bitreverseqi2): New insn.
+
+2026-05-19  Roger Sayle  <roger@nextmovesoftware.com>
+
+       PR target/90483
+       PR libstdc++/118416
+       * config/i386/i386-expand.cc (ix86_expand_sse_ptest):  Refactor
+       with optimizations for PTESTZ*, PTESTC* and PTESTNZC*, including
+       transforming ptestz(x,-1) into ptestz(x,x).
+
+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.
+
+2026-05-19  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>
+
+       * cfgrtl.cc: Don't include gimplify.h or gimplify-me.h.
+       * cgraphbuild.cc: Likewise.
+       * emit-rtl.cc: Likewie.
+       * tree-ssa-dom.cc: Likewise.
+       * tree-ssa-dse.cc: Likewise.
+       * tree-ssa-loop-im.cc: Likewise.
+       * tree-ssa-loop-niter.cc: Likewise.
+       * tree-ssa-loop-unswitch.cc: Likewise.
+       * tree-ssa-math-opts.cc: Likewise.
+       * tree-ssa-phiopt.cc: Likewise.
+       * tree-ssa-phiprop.cc: Likewise.
+       * tree-ssa-pre.cc: Likewise.
+       * tree-ssa-propagate.cc: Likewise.
+       * tree-ssa-sccvn.cc: Likewise.
+       * gimplify.h (unshare_expr): Remove.
+       (unshare_expr_without_location): Remove.
+       (copy_if_shared): Remove.
+       * tree.h (unshare_expr): New decl.
+       (unshare_expr_without_location): Likewise.
+       (copy_if_shared): Likewise.
+       * gimplify.cc (mostly_copy_tree_r): Moved to tree.cc.
+       (copy_if_shared_r): Likewise.
+       (copy_if_shared): Likewise.
+       (unshare_expr): Likewise.
+       (prune_expr_location): Likewise.
+       (unshare_expr_without_location): Likewise.
+       * tree.cc (mostly_copy_tree_r): Moved from gimplify.cc
+       (copy_if_shared_r): Likewise.
+       (copy_if_shared): Likewise.
+       (unshare_expr): Likewise.
+       (prune_expr_location): Likewise.
+       (unshare_expr_without_location): Likewise.
+
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/125357
+       * config/i386/i386-expand.cc (ix86_expand_vec_perm): For
+       one_operand_shuffle if TARGET_AVX and not TARGET_AVX512F use
+       vpermilps for V4SImode/V4SFmode.  Formatting fix.
+
+2026-05-19  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr.md (bitreversehi2, bitreversesi2): New insn_and_split.
+       (*bitreversehi2.libgcc, *bitreversesi2.libgcc): New insns.
+
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/50481
+       * optabs.cc (widen_bswap): Add UNOPTAB argument and use it instead
+       of hardcoded bswap_optab.  Rename to ...
+       (widen_bswap_or_bitreverse): ... this.
+       (expand_doubleword_bswap): Add UNOPTAB argument and use it instead
+       of hardcoded bswap_optab.  Rename to ...
+       (expand_doubleword_bswap_or_bitreverse): ... this.
+       (expand_bitreverse): Use widen_bswap_or_bitreverse and
+       expand_doubleword_bswap_or_bitreverse.
+       (expand_unop): Adjust widen_bswap and expand_doubleword_bswap callers
+       to use new names and add an extra bswap_optab argument.
+
+2026-05-19  H.J. Lu  <hjl.tools@gmail.com>
+
+       PR target/125355
+       * config/i386/i386-expand.cc (ix86_expand_movmem): Replace
+       optimize_function_for_size_p with optimize_insn_for_size_p.
+
+2026-05-19  Robin Dapp  <robin.dapp@oss.qualcomm.com>
+
+       PR target/125097
+       * config/riscv/riscv.cc (riscv_legitimize_move): Emit 32-bit
+       vec_extracts right away.
+
+2026-05-19  Robin Dapp  <rdapp@oss.qualcomm.com>
+
+       * config/riscv/autovec.md (<cbranch_optab><mode>): Remove.
+       * config/riscv/riscv-protos.h (expand_vec_cmp_float): Add mask
+       and else arguments.
+       * config/riscv/riscv-v.cc (expand_vec_cmp): Add mask and else
+       arguments.
+       (expand_vec_cmp_float): Ditto.
+       * config/riscv/vector-iterators.md: Remove iterators.
+
+2026-05-19  Peter Bergner  <bergner@linux.ibm.com>
+           Jeevitha Palanisamy  <jeevitha@linux.ibm.com>
+
+       * config/rs6000/amo.h: Add missing atomic memory operations.
+       * doc/extend.texi (PowerPC Atomic Memory Operation Functions): Document
+       new functions.
+
+2026-05-19  Andi Kleen  <ak@gcc.gnu.org>
+
+       PR target/125351
+       * config/i386/i386.md: Use alternative to handle masm ptwrite
+       syntax.
+
 2026-05-18  Xin Wang  <yw987194828@gmail.com>
 
        * tree-ssa-loop-split.cc (fix_loop_bb_probability): Rename

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 2bdf77fcc72f9504d58a19a80618728745d24e99..25622053d367c17cbbf1ff3f0e1009664f4ef1a2 100644 (file)
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260519
+20260520

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index a768fd420914654150c88987602efdbb9d5cc9ca..ad18fe41259bbec4dcaaa6795e500c601bbfa5db 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/125348
+       * libgnat/s-regpat.ads: Fix comment spelling, paramter -> parameter.
+
 2026-05-10  Eric Botcazou  <ebotcazou@adacore.com>
 
        PR ada/125240

diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index d4d08911edccd58f9fb7b1af6aec14ec69fabba9..87b9a8e4ea096905b6d62bde5b5506cd11ec7b6b 100644 (file)
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,41 @@
+2026-05-19  David Malcolm  <dmalcolm@redhat.com>
+
+       PR analyzer/125304
+       * common.h (compare_bit_offsets_p): New decl.
+       (eval_region_offset_comparison): New decl.
+       * region-model.cc (region_model::on_assignment): Pass *this to
+       store::set_value to help determination of aliasing.
+       (region_model::set_value): Likewise.
+       (region_model::eval_condition): Likewise for
+       region_svalue::eval_condition.
+       * region.cc (compare_bit_offsets_p): New.
+       (region_offset::dump_to_pp): Dump the base region, wrapping the
+       whole thing in braces.
+       (eval_byte_offset_comparison): New.
+       (eval_region_offset_comparison): New.
+       * store.cc (store::set_value): Add "model" param and pass it to
+       eval_alias.
+       (store::eval_alias): Add "model" param and pass to eval_alias_1.
+       Add early return of true when checking a base region against
+       itself.  Replace final return of "unknown" with logic that
+       compares the kinds of the two base regions, and may be able
+       to return "false" rather than "unknown".
+       (store::eval_alias_1): Add "model" param and pass to eval_alias.
+       Assert that we have two different base_regions.
+       (store::replay_call_summary_cluster): Pass model to set_value.
+       * store.h (store::set_value): Add "model" param.
+       (store::eval_alias): Likewise.
+       (store::eval_alias_1): Likewise.
+       * svalue.cc (region_svalue::eval_condition): Likewise.
+       Reimplement in terms of eval_region_offset_comparison.
+       * svalue.h (region_svalue::eval_condition): Add "model" param.
+
+2026-05-19  David Malcolm  <dmalcolm@redhat.com>
+
+       PR analyzer/124104
+       * svalue.cc (binop_svalue::maybe_get_value_range_1): Bail out for
+       incompatible types.
+
 2026-05-18  David Malcolm  <dmalcolm@redhat.com>
 
        * analyzer.opt (-param=analyzer-bb-explosion-factor=): Rename to...

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 6406110a87b030fb8b4279f239c1495edb1d770e..523d18208754110b27f3151a29a746f1c5238b67 100644 (file)
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,10 @@
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * c-typeck.cc (c_finish_omp_clauses): Call omp_remove_duplicate_maps
+       before clause expansion.
+
 2026-05-15  Andi Kleen  <ak@gcc.gnu.org>
 
        PR c/124532

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index dcb6881cc458e9f6be59ee64aa8f52371c7accb1..175fcc604cea66f65efb6c4e351b48f80ca097e9 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,25 @@
+2026-05-19  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/123536
+       * cp-tree.h (process_outer_var_ref): Remove a parameter's name.
+       * expr.cc (mark_use): Return if mark_rvalue_use returns
+       error_mark_node.
+       * semantics.cc (process_outer_var_ref): Return decl when it is
+       instantiation-dependent.
+
+2026-05-19  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/125336
+       * constexpr.cc (cxx_eval_bare_aggregate): Don't call
+       get_or_insert_ctor_field when there is no CONSTRUCTOR.  Assert
+       is_empty_class.
+
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * semantics.cc (finish_omp_clauses): Likewise.
+
 2026-05-18  Marek Polacek  <polacek@redhat.com>
 
        * constexpr.cc (cxx_eval_bare_aggregate): Remove dead code.

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 085251e3107502312c7b222c7257cb6b256409ac..0cd6f3e9a289be37face807d1164162256b110c4 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,50 @@
+2026-05-19  Julian Brown  <julian@codesourcery.com>
+           Tobias Burnus  <tburnus@baylibre.com>
+
+       * dump-parse-tree.cc (show_attr): Show omp_udm_artificial_var flag.
+       (show_omp_namelist): Support OMP_MAP_UNSET.
+       * gfortran.h (enum gfc_statement): Add ST_OMP_DECLARE_MAPPER.
+       (symbol_attribute): Add omp_udm_artificial_var attribute.
+       (enum gfc_omp_map_op): Add OMP_MAP_UNSET.
+       (gfc_omp_namelist_udm): New struct.
+       (gfc_omp_namelist): Add udm pointer to u2 union.
+       (gfc_symtree): Add omp_udm pointer.
+       (gfc_namespace): Add omp_udm_root symtree and omp_udm_ns flag.
+       (gfc_free_omp_udm, gfc_omp_udm_find, gfc_find_omp_udm,
+       gfc_resolve_omp_udms): Add prototypes.
+       * match.h (gfc_match_omp_declare_mapper): Add prototype.
+       * match.cc (gfc_free_omp_namelist): Update for declare mapper's udm.
+       * openmp.cc (gfc_omp_directives): Uncomment 'declare mapper'.
+       (gfc_free_omp_udm, gfc_find_omp_udm, gfc_omp_udm_find,
+       gfc_match_omp_declare_mapper, gfc_resolve_omp_udm,
+       gfc_resolve_omp_udms): New.
+       (gfc_match_omp_clauses): Take argument for the default map-type
+       modifier; add support for the 'mapper' modifier.
+       (resolve_omp_clauses): Update for declare-mapper map clauses.
+       * parse.cc (decode_omp_directive): Add declare mapper support.
+       (case_omp_decl): Add ST_OMP_DECLARE_MAPPER case.
+       (gfc_ascii_statement): Add ST_OMP_DECLARE_MAPPER case.
+       * resolve.cc (resolve_types): Call gfc_resolve_omp_udms.
+       * symbol.cc (free_omp_udm_tree): New function.
+       (gfc_free_namespace): Call it.
+
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * gfortran.h (enum gfc_omp_map_op): Dedicate the two LSB to TO and FROM.
+       * openmp.cc (resolve_omp_clauses): Adjust to allow duplicate
+       mapped variables for OpenMP.
+       * trans-openmp.cc (gfc_trans_omp_clauses): Remove duplicates before
+       clause expansion.
+
+2026-05-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+       PR fortran/115260
+       * trans-expr.cc (gfc_conv_subref_array_arg): Pass false to
+       dealloc argument of gfc_trans_scalar_assign if we are
+       converting a g77-style argument.
+
 2026-05-16  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
        PR fortran/122245

diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 4f3b364999f76eaa22466ab370c6e9c05bb79de4..bb9cfeb3065be4cdc67d87a86bc09fc62f35e353 100644 (file)
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,9 @@
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/125348
+       * gm2-compiler/M2GenGCC.mod (PerformLastForIterator): Fix diagnostic
+       typo, intemediate -> intermediate.
+
 2026-04-21  Gaius Mulley  <gaiusmod2@gmail.com>
 
        PR modula2/120189

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f75e2dfaf480191866392c34909921689be21440..98a47952282538104051cdbb9ba364267befa5a2 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,134 @@
+2026-05-19  Pengxuan Zheng  <pengxuan.zheng@oss.qualcomm.com>
+
+       * gcc.target/aarch64/pr123748.c: Use "long long" instead of "long".
+
+2026-05-19  Julian Brown  <julian@codesourcery.com>
+           Tobias Burnus  <tburnus@baylibre.com>
+
+       * gfortran.dg/gomp/declare-mapper-1.f90: New test.
+       * gfortran.dg/gomp/declare-mapper-2.f90: New test.
+
+2026-05-19  David Malcolm  <dmalcolm@redhat.com>
+
+       PR analyzer/125304
+       * c-c++-common/analyzer/pointer-comparison-pr125304-eq.c: New test.
+       * c-c++-common/analyzer/pointer-comparison-pr125304-ge.c: New test.
+       * c-c++-common/analyzer/pointer-comparison-pr125304-gt.c: New test.
+       * c-c++-common/analyzer/pointer-comparison-pr125304-le.c: New test.
+       * c-c++-common/analyzer/pointer-comparison-pr125304-lt.c: New test.
+       * g++.dg/analyzer/pointer-casts-pr125304.C: New test.
+
+2026-05-19  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/123536
+       * g++.dg/cpp0x/lambda/lambda-const12.C: New test.
+       * g++.dg/cpp0x/lambda/lambda-const13.C: New test.
+       * g++.dg/cpp0x/lambda/lambda-const14.C: New test.
+       * g++.dg/template/local11.C: New test.
+
+2026-05-19  Pengxuan Zheng  <pengxuan.zheng@oss.qualcomm.com>
+
+       PR target/123748
+       * gcc.target/aarch64/pr123748.c: New test.
+
+2026-05-19  Christopher Bazley  <chris.bazley@arm.com>
+
+       * gcc.target/aarch64/sve/vec_construct_1.c: New test.
+       * gcc.target/aarch64/sve/vec_construct_2.c: New test.
+       * gcc.target/aarch64/sve/vec_construct_3.c: New test.
+       * gcc.target/aarch64/sve/vec_construct_4.c: New test.
+       * gcc.target/aarch64/sve/vec_construct_5.c: New test.
+       * gcc.target/aarch64/vec-construct-1.c: New test.
+       * gcc.target/aarch64/vec-construct-10.c: New test.
+       * gcc.target/aarch64/vec-construct-11.c: New test.
+       * gcc.target/aarch64/vec-construct-12.c: New test.
+       * gcc.target/aarch64/vec-construct-2.c: New test.
+       * gcc.target/aarch64/vec-construct-3.c: New test.
+       * gcc.target/aarch64/vec-construct-4.c: New test.
+       * gcc.target/aarch64/vec-construct-5.c: New test.
+       * gcc.target/aarch64/vec-construct-6.c: New test.
+       * gcc.target/aarch64/vec-construct-7.c: New test.
+       * gcc.target/aarch64/vec-construct-8.c: New test.
+       * gcc.target/aarch64/vec-construct-9.c: New test.
+
+2026-05-19  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/125336
+       * g++.dg/cpp2a/no_unique_address17.C: New test.
+       * g++.dg/cpp2a/no_unique_address18.C: New test.
+
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * c-c++-common/gomp/clauses-2.c: Adjust testcase.
+       * c-c++-common/gomp/map-6.c: Adjust testcase.
+       * gfortran.dg/gomp/pr107214.f90: Adjust testcase.
+       * c-c++-common/gomp/map-multi-1.c: New test.
+       * c-c++-common/gomp/map-multi-2.c: New test.
+       * gfortran.dg/gomp/map-multi-1.f90: New test.
+       * gfortran.dg/gomp/map-multi-2.f90: New test.
+
+2026-05-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+       PR fortran/115260
+       * gfortran.dg/pr115260.f90: New test.
+
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR other/125348
+       * gcc.target/i386/pr117416-2.c (prefetch_test): Adjust expected
+       diagnostic spelling.
+       * gdc.test/compilable/dtoh_TemplateDeclaration.d: Fix comment
+       spelling, paramter -> parameter.
+
+2026-05-19  Roger Sayle  <roger@nextmovesoftware.com>
+
+       PR target/90483
+       PR libstdc++/118416
+       * gcc.target/i386/sse4_1-ptest-8.c: New test case.
+       * gcc.target/i386/sse4_1-ptest-9.c: Likewise.
+
+2026-05-19  Christophe Lyon  <christophe.lyon@arm.com>
+
+       PR target/124870
+       * gcc.target/arm/mve/intrinsics/pr124870.c: New test.
+
+2026-05-19  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/125357
+       * gcc.target/i386/avx-pr125357.c: New test.
+       * gcc.target/i386/avx2-pr125357.c: New test.
+
+2026-05-19  H.J. Lu  <hjl.tools@gmail.com>
+
+       PR target/125355
+       * gcc.target/i386/pr125355-2.c: New test.
+
+2026-05-19  H.J. Lu  <hjl.tools@gmail.com>
+
+       * lib/scanasm.exp (configure_check-function-bodies): Check
+       "*-*-mingw32" instead of "aarch64*-*-mingw32".
+
+2026-05-19  Robin Dapp  <rdapp@oss.qualcomm.com>
+
+       * gcc.target/riscv/rvv/autovec/early-break-5.c: Remove redundant
+       comments.
+
+2026-05-19  Peter Bergner  <bergner@linux.ibm.com>
+           Jeevitha Palanisamy  <jeevitha@linux.ibm.com>
+
+       * gcc.target/powerpc/amo3.c: New test.
+       * gcc.target/powerpc/amo4.c: Likewise.
+       * gcc.target/powerpc/amo5.c: Likewise.
+       * gcc.target/powerpc/amo6.c: Likewise.
+       * gcc.target/powerpc/amo7.c: Likewise.
+
+2026-05-19  Andi Kleen  <ak@gcc.gnu.org>
+
+       PR target/125351
+       * gcc.target/i386/pr125351.c: New test.
+
 2026-05-18  Andrew Pinski  <andrew.pinski@oss.qualcomm.com>
 
        * gcc.dg/tree-ssa/pr112095.c: Add -Wno-psabi to the options.

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index a769e628e482e84399d0a7851a26320501adcac3..1a7e3cee8958c38b41f87f0a5fec216d988e47bf 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+2026-05-19  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/t-avr (LIB1ASMFUNCS): Add _bitreverse8, _bitreverse16,
+       _bitreverse24, _bitreverse32.
+       * config/avr/lib1funcs.S (__bitreverse8, __bitreverse16)
+       (__bitreverse24, __bitreverse32): New functions.
+
 2026-05-11  John David Anglin  <danglin@gcc.gnu.org>
 
        * config.host (hppa*64*-hp-hpux11*): Handle linking with GNU ld.

diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 3975f41cebc006cbfdd3f3ed3175a528697133b1..b568584ae9c72f0c4bc4aefe720f0deb64e548fb 100644 (file)
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,19 @@
+2026-05-19  Paul-Antoine Arras  <parras@baylibre.com>
+           Chung-Lin Tang  <cltang@baylibre.com>
+           Sandra Loosemore  <sloosemore@baylibre.com>
+
+       * testsuite/libgomp.c++/target-map-multi-1.C: New test.
+       * testsuite/libgomp.c-c++-common/target-map-iterators-6.c: New test.
+       * testsuite/libgomp.c-c++-common/target-map-multi-1.c: New test.
+       * testsuite/libgomp.c-c++-common/target-map-multi-2.c: New test.
+       * testsuite/libgomp.c-c++-common/target-map-multi-3.c: New test.
+       * testsuite/libgomp.c-c++-common/target-map-multi-4.c: New test.
+       * testsuite/libgomp.fortran/target-map-multi-1.f90: New test.
+       * testsuite/libgomp.fortran/target-map-multi-2.f90: New test.
+       * testsuite/libgomp.fortran/target-map-multi-3.f90: New test.
+       * testsuite/libgomp.fortran/target-map-multi-4.f90: New test.
+       * testsuite/libgomp.fortran/target-map-multi-5.f90: New test.
+
 2026-05-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
        * env.c (initialize_env): Check GOMP_DEFAULT_STACKSIZE for

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 193418823b5377df58c2f93040b8fe8e50046edd..8fc038268c70a1e5154cdba6fbe8419b543490c2 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,89 @@
+2026-05-19  Jonathan Wakely  <jwakely@redhat.com>
+
+       * src/c++20/tzdata.zi: Import new file from 2026b release.
+
+2026-05-19  Patrick Palka  <ppalka@redhat.com>
+
+       PR libstdc++/125374
+       * include/std/flat_map (_Flat_map_impl::_M_try_emplace): Forward
+       instead of unconditionally moving __k when inserting it.
+       * testsuite/23_containers/flat_map/1.cc (test10): New test.
+
+2026-05-19  Nathan Myers  <ncm@cantrip.org>
+
+       PR libstdc++/118030
+       * config/abi/pre/gnu.ver: Expose string::_S_allocate_at_least,
+       _M_create_plus symbols.
+       * include/bits/alloc_traits.h:
+       (allocate_at_least): Delegate in allocator_traits<allocator<_Tp>>
+       specialization to allocator<_Tp>::allocate_at_least, unconditionally;
+       annotate [[__gnu__::always_inline__]].
+       (allocate_at_least): Declare "= delete;" in allocator<void>.
+       * include/bits/allocator.h (allocate_at_least): Delegate to base
+       allocate_at_least where defined, calling with explicit base-class
+       qualification, picking up __new_allocator member.
+       * include/bits/basic_string.h:
+       (_Alloc_result): Define new type.
+       (_S_allocate_at_least): Define, using it.
+       (_S_allocate): Minimize for legacy ABI use only.
+       (_M_create_plus): Declare.
+       (_M_create_and_place): Define, abstracting common operations.
+       (assign): Use _S_allocate_at_least.
+       * include/bits/basic_string.tcc:
+       (_M_create_plus): Define.
+       (_M_replace, reserve): Use _S_allocate_at_least.
+       (_M_construct, others (3x)): Use _M_create_and_place.
+       (_M_construct, input iterators): Use _M_create_plus.
+       (_M_create, _M_assign, reserve, _M_mutate): Same.
+       * include/bits/memory_resource.h (allocate_at_least): Define,
+       document.
+       * include/bits/new_allocator.h (allocate_at_least): Define.
+       (_S_check_allocation_limit) Define.
+       (allocate): Use _S_check_allocation_limit.
+       (_S_max_size): Change from _M_max_size.
+       (deallocate): Refine "if constexpr" logic.
+       * include/bits/stl_vector.h:
+       (_S_max_size): Move to _Vector_base.
+       (_Alloc_result): Define type.
+       (_M_allocate_at_least): Define, using allocate_at_least where supported.
+       (_M_allocate): Delegate to _M_allocate_at_least.
+       (max_size, _S_check_init_len): Use _S_max_size as moved.
+       (_M_create_storage, append_range, _M_allocate_and_copy,
+       _M_replace_storage): Define, abstracting common operations.
+       (_M_replace_with): Define, likewise.
+       (_M_range_initialize_n): Use _M_allocate_at_least.
+       (_M_check_len): Improve logic.
+       * include/bits/vector.tcc:
+       (reserve, _M_fill_append, _M_range_insert): Use _M_allocate_at_least
+       and _M_replace_storage.
+       (operator=, _M_assign_aux): Use _M_replace_with.
+       (_M_realloc_insert, _M_realloc_append, _M_default_append, insert_range):
+       Use _M_allocate_at_least.
+       (_M_fill_insert): Use _M_replace_storage, normalize whitespace.
+       * testsuite/util/testsuite_allocator.h:
+       (allocate_at_least (3x)): Define.
+       (allocate): Use allocate_at_least.
+       * testsuite/20_util/allocator/allocate_at_least.cc: Add tests.
+       * testsuite/21_strings/basic_string/capacity/char/18654.cc:
+       Loosen capacity check.
+       * testsuite/21_strings/basic_string/capacity/char/shrink_to_fit.cc:
+       Same.
+       * testsuite/21_strings/basic_string/capacity/wchar_t/18654.cc: Same.
+       * testsuite/21_strings/basic_string/capacity/wchar_t/2.cc: Same.
+       * testsuite/21_strings/basic_string/capacity/wchar_t/shrink_to_fit.cc:
+       Same.
+       * testsuite/23_containers/vector/capacity/shrink_to_fit.cc: Same.
+       * testsuite/23_containers/vector/capacity/shrink_to_fit2.cc: Same
+       * testsuite/23_containers/vector/modifiers/emplace/self_emplace.cc:
+       Adapt to looser reserve behavior.
+
+2026-05-19  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/125369
+       * include/bits/chrono_io.h (__detail::_Parser::operator()):
+       Check for errors when parsing digits for a %z format.
+       * testsuite/std/time/parse/125369.cc: New test.
+
 2026-05-18  Jonathan Wakely  <jwakely@redhat.com>
 
        * testsuite/23_containers/bitset/lwg4294.cc: Move to...