https://gcc.gnu.org/g:85288acc8becaf4588a6404f190669786e5522e0
commit r16-9863-g85288acc8becaf4588a6404f190669786e5522e0 Author: GCC Administrator <[email protected]> Date: Thu Oct 29 00:21:08 2026 +0000 Daily bump. Diff: --- gcc/ChangeLog | 123 ++++++++++++++++++++++++++++++++++++++++++++++++ gcc/DATESTAMP | 2 +- gcc/testsuite/ChangeLog | 91 +++++++++++++++++++++++++++++++++++ libstdc++-v3/ChangeLog | 48 +++++++++++++++++++ 4 files changed, 263 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a909d7362c0e..1061e5c2bdac 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,126 @@ +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-13 Richard Biener <[email protected]> + + PR tree-optimization/127858 + * tree-ssa-loop-im.cc (gather_mem_refs_stmt): When merging + accesses with differing access path always reset base and + offset to the canonical form by re-using the already canonical + ao_ref. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-12 Richard Biener <[email protected]> + + PR tree-optimization/127814 + * tree-vect-loop-manip.cc (vect_loop_versioning): Emit + versioning for niter assumption conditions first and + split those to the separate BB together with the cost model + check after rewriting all of it to unconditional defined operations. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-08 Richard Biener <[email protected]> + + PR tree-optimization/127764 + * ipa-fnsummary.cc (set_switch_stmt_execution_predicate): + Use wi::to_widest to preserve sign when extending min to type. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/127762 + * gimple-fold.cc (decode_field_reference): Change psignbit to + int * and set it to 1 for sign extensions, -1 if all extension + bits are clear, or 0 otherwise. + (fold_truth_andor_for_ifcombine): Change ll_signbit, lr_signbit, + rl_signbit, and rr_signbit to int. Check for signbit > 0 when + including sign bit in test, and signbit < 0 when checking for + zero-extension. Only reject positive lr_signbit and + rr_signbit. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127601 + * tree-vect-stmts.cc (get_load_store_type): Move overrun + flags and final handling to the relevant section, after + determining the step direction and the memory access type. + Only elide overrun with half-vector accesses for the + memory access types supporting that. Do not claim + VMAT_STRIDED_SLP can handle overruns when the step is + negative. + (vectorizable_load): For the last memory access type group + analysis/transform assert what memory access type that covers. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127600 + * tree-vect-loop.cc (vect_is_simple_iv_evolution): Explicitly + initialize STMT_VINFO_LOOP_PHI_EVOLUTION_TYPE. + (is_nonwrapping_integer_induction): Bail out for alternate + induction types. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127588 + * tree-vect-loop-manip.cc (vect_update_ivs_after_vectorizer): + Use an unsigned type to compute the epilog start value. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/127521 + * gimple-fold.cc (fold_truth_andor_for_ifcombine): Reject + non-constant compares that test the same bit in different ways. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-17 Richard Biener <[email protected]> + + PR tree-optimization/127407 + * tree-vect-data-refs.cc (vect_analyze_data_ref_dependence): + Also call vect_preserves_scalar_order_p for negative dependence + distance. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-17 Richard Biener <[email protected]> + + PR tree-optimization/127405 + * tree-ssa-loop-manip.cc (tree_transform_and_unroll_loop): Only + set nb_iterations_upper_bound of the epilogue loop and scale its + profile when the control IV is known not to wrap. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/126563 + * tree-ssa-ifcombine.cc (recognize_bits_test): Do not call + get_name_for_bit_test on rhs1. + (ifcombine_ifandif): Check all operands for abnormal PHIs. + Look through conversions via get_name_for_bit_test on the names + only when direct matching fails. + 2026-10-27 Igor Shevlyakov <[email protected]> Backported from master: diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP index 989891298ee4..2e398bcbd4e5 100644 --- a/gcc/DATESTAMP +++ b/gcc/DATESTAMP @@ -1 +1 @@ -20261028 +20261029 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 508a952a4a0a..e0105ab04eec 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,94 @@ +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-13 Richard Biener <[email protected]> + + PR tree-optimization/127858 + * gcc.dg/torture/pr127858.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-12 Richard Biener <[email protected]> + + PR tree-optimization/127814 + * gcc.dg/vect/vect-pr127814.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-08 Richard Biener <[email protected]> + + PR tree-optimization/127764 + * gcc.dg/torture/pr127764.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/127762 + * gcc.dg/field-merge-27.c: New test. + * gcc.dg/field-merge-29.c: New test. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127601 + * gcc.dg/vect/vect-pr127601.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127600 + * gcc.dg/vect/vect-cond-reduc-7.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-25 Richard Biener <[email protected]> + + PR tree-optimization/127588 + * gcc.dg/vect/vect-iv-15.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/127521 + * gcc.dg/field-merge-30.c: New test. + * gcc.dg/field-merge-31.c: New test. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-17 Richard Biener <[email protected]> + + PR tree-optimization/127407 + * gcc.dg/vect/vect-pr127407.c: New testcase. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-09-17 Richard Biener <[email protected]> + + PR tree-optimization/127405 + * gcc.dg/tree-ssa/predcom-10.c: New test. + +2026-10-28 Richard Biener <[email protected]> + + Backported from master: + 2026-10-09 Richard Biener <[email protected]> + + PR tree-optimization/126563 + * gcc.dg/tree-ssa/ssa-ifcombine-14.c: New test. + * gcc.dg/tree-ssa/ssa-ifcombine-15.c: New test. + 2026-10-27 Thomas Koenig <[email protected]> Backported from master: diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 92db65e9cd94..12eeb467c368 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,51 @@ +2026-10-28 Jonathan Wakely <[email protected]> + + Backported from master: + 2026-10-20 Jonathan Wakely <[email protected]> + + PR libstdc++/127476 + * include/std/memory [!_GLIBCXX_HOSTED]: Do not include + bits/indirect.h. + +2026-10-28 Jonathan Wakely <[email protected]> + + Backported from master: + 2026-10-02 Jonathan Wakely <[email protected]> + + PR libstdc++/127675 + * include/ext/pb_ds/detail/debug_map_base.hpp (split, join): Use + std::list::splice to move elements without reallocating. + * include/ext/pb_ds/detail/ov_tree_map_/constructors_destructor_fn_imps.hpp + (copy_from_ordered_range(It, It, It, It)): Do not allocate new + storage for an empty container. + * include/ext/pb_ds/detail/ov_tree_map_/erase_fn_imps.hpp + (erase_if): Do not modify this->debug_base::m_keys until all + allocations and other potentially-throwing operations have + completed successfully. + (erase_imp): Do not allocate new storage for an empty container. + * testsuite/ext/pb_ds/regression/127675.cc: New test. + * testsuite/util/testsuite_rng.h (get_time_determined_seed): Use + getenv("GLIBCXX_SEED_TEST_RNG") to allow the seed to be fixed. + +2026-10-28 Jonathan Wakely <[email protected]> + + Backported from master: + 2026-10-01 Jonathan Wakely <[email protected]> + + * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Remove c++17 + target selector. + * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise. + * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: + Likewise. + * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: + Likewise. + * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: + Likewise. + * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise. + * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise. + * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise. + * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise. + 2026-10-26 Tomasz Kamiński <[email protected]> * include/std/mdspan (layout_stride::mapping::_M_check_unique):
