[gcc r17-634] Daily bump.
GCC Administrator
gccadmin@gcc.gnu.org
Thu May 21 00:16:55 GMT 2026
https://gcc.gnu.org/g:b63a5e545fce98588f763fd1239adca9b81a58e5
commit r17-634-gb63a5e545fce98588f763fd1239adca9b81a58e5
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date: Thu May 21 00:16:26 2026 +0000
Daily bump.
Diff:
---
gcc/ChangeLog | 112 ++++++++++++++++++++++++++++++++++++++++++++++++
gcc/DATESTAMP | 2 +-
gcc/algol68/ChangeLog | 7 +++
gcc/analyzer/ChangeLog | 6 +++
gcc/fortran/ChangeLog | 7 +++
gcc/testsuite/ChangeLog | 68 +++++++++++++++++++++++++++++
libstdc++-v3/ChangeLog | 16 +++++++
7 files changed, 217 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 00dec46427aa..a68d5afee2d0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,115 @@
+2026-05-20 Shivam Gupta <shivam98.tkg@gmail.com>
+
+ PR tree-optimization/112533
+ * match.pd: Add integral narrowing eq/ne to XOR-against-zero
+ rule for (T)(x) == (T)(y) where precision(T) < precision(x).
+
+2026-05-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cselib.h (references_value_p): Remove only_useless parameter.
+ * cselib.cc (references_value_p): Likewise. Use rtx iterators.
+ (invariant_or_equiv_p): Update accordingly.
+ * postreload.cc (reload_cse_simplify_set): Likewise.
+ * var-tracking.cc (reverse_op): Likewise.
+
+2026-05-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cselib.h (cselib_val::HASH_MASK): New static constant.
+ (cselib_val::hash): Turn into a 30-bit bitfield.
+ (cselib_val::in_preserved_table_p): New bitfield.
+ (cselib_val::all_locs_preserved_p): Likewise.
+ * cselib.cc: Include rtl-iter.h.
+ (cselib_preserved_prune_list): New variable.
+ (cselib_clear_all_locs_preserved): New function.
+ (new_elt_loc_list): Call it when modifying a value's location list.
+ (preserve_constants_and_equivs): Set in_preserved_table_p when
+ moving a value to the preserved hash table. Also push such values
+ onto cselib_preserved_prune_list.
+ (cselib_find_slot): Mask out the upper 2 bits of the hash.
+ (discard_useless_locs): New overload, split out from original
+ hash table traverse callback. Use an inline rtl iteration
+ instead of calling references_value_p. Record whether the
+ retained location only reference preserved value.
+ (remove_useless_values): Iterate over cselib_preserved_prune_list
+ instead of the hash table itself. Remove a value from the list
+ if all remaining locations only reference preserved value.
+ (new_cselib_val): Initialize the new bitfields.
+ (cselib_finish): Free cselib_preserved_prune_list.
+
+2026-05-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cselib.cc (new_elt_loc_list): Cache CSELIB_VAL_PTR.
+
+2026-05-20 Nathan Sidwell <nathan@acm.org>
+
+ * config/riscv/riscv-builtins.cc (enum riscv_builtin_type): Delete.
+ (struct riscv_builtin_description): Replace builtin_type by bool.
+ Reorder fields for better packing.
+ (RISCV_BUILTIN_NO_PREFIX): Remove BUILTIN_TYPE arg.
+ (RISCV_BUILTIN): Likewise, call RISCV_BUILTIN_NO_PREFIX.
+ (DIRECT_BUILTIN): Adjust RISCV_BUILTIN invocation.
+ (DIRECT_NO_TARGET_BUILTIN): Delete.
+ (riscv_builtins): Make non-constant. Adjust initializers.
+ (riscv_init_builtins): Compute no_target from function type.
+ (riscv_expand_builtin): Simplify.
+ * config/riscv/andes.def: Adjust.
+ * config/riscv/corev.def: Adjust.
+ * config/riscv/riscv-cmo.def: Adjust.
+ * config/riscv/riscv-scalar-crypto.def: Adjust.
+
+2026-05-20 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/x86-tune.def (X86_TUNE_SHIFT1): Remove.
+ * config/i386/i386.h (TARGET_SHIFT1): Remove.
+ * config/i386/i386.md (*ashl<mode>3_1<nf_name>): Remove
+ TARGET_SHIFT1-gated implicit-1 encoding and simplify
+ length_immediate attribute.
+ (*ashlsi3_1_zext): Likewise.
+ (*ashlhi3_1<nf_name>): Likewise.
+ (*ashlqi3_1<nf_name>): Likewise.
+ (*ashl<mode>3_1_slp): Likewise.
+ (*ashl<mode>3_cmp): Likewise.
+ (*ashlsi3_cmp): Likewise.
+ (*<any_shiftrt:insn><mode>3_1<nf_name>): Likewise.
+ (*<any_shiftrt:insn>si3_1_zext): Likewise.
+ (*<any_shiftrt:insn><mode>3_1_slp): Likewise.
+ (*<any_shiftrt:insn><mode>3_cconly): Likewise.
+ (*<any_shiftrt:insn>qi_ext<mode>_1): Likewise.
+ (<any_shiftrt:insn><mode>3_carry): Likewise.
+
+2026-05-20 Michiel Derhaeg <michiel@synopsys.com>
+
+ PR target/115650
+ * config/arc/arc.cc (legitimate_small_data_address_p): Check
+ offset size.
+
+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.
+
+2026-05-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/125357
+ * config/i386/i386-expand.cc (ix86_expand_vec_perm): For TARGET_AVX
+ one_operand_shuffle handle also V2DImode and V2DFmode using
+ vpaddq and vpermilpd.
+
+2026-05-20 liuhongt <hongtao.liu@intel.com>
+
+ * tree-ssa-loop-unswitch.cc (estimate_loop_insns): New function.
+ (init_loop_unswitch_info): Do not select an outer loop for
+ unswitching when the duplicated outer-body size exceeds
+ param_max_unswitch_insns.
+
+2026-05-20 Zhou Qiankang <wszqkzqk@qq.com>
+
+ PR target/125362
+ * config/loongarch/t-loongarch (TM_H): Add
+ common/config/loongarch/cpu-features.h.
+
2026-05-19 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
PR target/123748
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 25622053d367..49fefbb3d21d 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260520
+20260521
diff --git a/gcc/algol68/ChangeLog b/gcc/algol68/ChangeLog
index f6940d093582..268493835ceb 100644
--- a/gcc/algol68/ChangeLog
+++ b/gcc/algol68/ChangeLog
@@ -1,3 +1,10 @@
+2026-05-20 Pietro Monteiro <pietro@sociotechnical.xyz>
+
+ * a68-parser-prelude.cc (gnu_prelude): Map FLOOR(L real):L int
+ to ENTIER(L real):L int.
+ * ga68.texi: Add a section for real operators in the Extended
+ prelude chapter and document FLOOR.
+
2026-05-10 Jose E. Marchesi <jemarch@gnu.org>
* a68-parser-taxes.cc (is_mappable_routine): Remove handling of
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 87b9a8e4ea09..174ec5964a1e 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,9 @@
+2026-05-20 David Malcolm <dmalcolm@redhat.com>
+
+ * region-model-manager.cc
+ (region_model_manager::maybe_fold_binop): Fold
+ "(X POINTER_PLUS Y) POINTER_DIFF_EXPR X" to Y.
+
2026-05-19 David Malcolm <dmalcolm@redhat.com>
PR analyzer/125304
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 0cd6f3e9a289..a7837d18a4f0 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2026-05-20 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/106546
+ * frontend-passes.cc (create_var): Set attr->automatic on
+ new symbol.
+ (create_do_loop): Likewise on iteration variable.
+
2026-05-19 Julian Brown <julian@codesourcery.com>
Tobias Burnus <tburnus@baylibre.com>
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 98a479522825..4accee3b91c6 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,71 @@
+2026-05-20 Pietro Monteiro <pietro@sociotechnical.xyz>
+
+ * algol68/execute/entier-1.a68: Add test for FLOOR = ENTIER.
+ * algol68/compile/floor-1.a68: New test.
+
+2026-05-20 Shivam Gupta <shivam98.tkg@gmail.com>
+
+ PR tree-optimization/112533
+ * gcc.dg/tree-ssa/narrow-bool-eq.c: New test.
+ * gcc.dg/tree-ssa/narrow-integral-eq.c: New test.
+ * gcc.dg/tree-ssa/narrow-short-eq.c: New test.
+ * gcc.dg/tree-ssa/narrow-float-eq.c: New test.
+
+2026-05-20 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/106546
+ * gfortran.dg/inline_matmul_27.f90: New test.
+
+2026-05-20 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/125236
+ * g++.dg/analyzer/torture/README.txt: New.
+ * g++.dg/analyzer/torture/std-string-ctor-large-literal.C: New
+ test.
+ * g++.dg/analyzer/torture/std-string-ctor-small-literal.C: New
+ test.
+ * g++.dg/analyzer/torture/std-string-default-ctor.C: New test.
+ * g++.dg/analyzer/torture/std-unique-ptr-1.C: New test.
+
+2026-05-20 David Malcolm <dmalcolm@redhat.com>
+
+ * c-c++-common/analyzer/ptr-subtraction-2.c: New test.
+
+2026-05-20 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/125304
+ * g++.dg/analyzer/torture/std-string-pr125304.C: New test.
+
+2026-05-20 David Malcolm <dmalcolm@redhat.com>
+
+ * g++.dg/analyzer/torture/analyzer-torture.exp: New script.
+
+2026-05-20 Michiel Derhaeg <michiel@synopsys.com>
+
+ PR target/115650
+ * gcc.target/arc/sdata-6.c: New test.
+
+2026-05-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/125373
+ * gcc.c-torture/compile/pr125373.c: New test.
+
+2026-05-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/125357
+ * gcc.target/i386/avx-pr125357-2.c: New test.
+ * gcc.target/i386/avx2-pr125357-2.c: New test.
+
+2026-05-20 liuhongt <hongtao.liu@intel.com>
+
+ * gcc.dg/loop-unswitch-19.c: New test.
+
+2026-05-20 Kito Cheng <kito.cheng@sifive.com>
+
+ * gcc.dg/crc-builtin-rev-target32.c: Match the new
+ "emitting reversed crc table" dump message.
+ * gcc.dg/crc-builtin-rev-target64.c: Likewise.
+
2026-05-19 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
* gcc.target/aarch64/pr123748.c: Use "long long" instead of "long".
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8fc038268c70..866d38c9b561 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,19 @@
+2026-05-20 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++20/Makefile.am [USE_STATIC_TZDATA]: Remove targets for
+ tzdata.zi.h, tzdb.lo and tzdb.o.
+ * src/c++20/Makefile.in: Regenerate.
+ * src/c++20/tzdb.cc (tzdata_chars): Use #embed.
+ (tzdata_stream::ispanbuf): Remove adjustment for extra newline
+ inserted by the Makefile recipe for tzdata.zi.h.
+
+2026-05-20 Nathan Myers <ncm@cantrip.org>
+
+ * config/abi/pre/gnu.ver: Remove recent symbol swept up in
+ GLIBCXX_3.4.21.
+ * include/bits/basic_string.tcc (reserve): Guard __limit decl
+ under #if __cpp_exceptions to quiet warning.
+
2026-05-19 Jonathan Wakely <jwakely@redhat.com>
* src/c++20/tzdata.zi: Import new file from 2026b release.
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