+2026-07-03 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ PR tree-optimization/122569
+ * match.pd (clz_msb_iso_table_index): New match pattern.
+ * tree-ssa-forwprop.cc (gimple_clz_msb_iso_table_index): Declare.
+ (simplify_count_zeroes): Recognize the new pattern; route its
+ table validation through the CTZ checkfn. Relax the element
+ type check to accept integer types up to 64 bits.
+
+2026-07-03 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ * match.pd (msb_or_cascade_32, msb_or_cascade_64): New match
+ helpers.
+ (clz_table_index): Rewrite the 32-bit and 64-bit forms to use
+ the cascade helpers.
+
+2026-07-03 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
+
+ PR tree-optimization/106164
+ PR tree-optimization/126042
+ PR tree-optimization/94589
+ * fold-const.cc (combine_comparisons): Split into
+ 2 versions. Also handle BIT_AND_EXPR and BIT_IOR_EXPR.
+ * fold-const.h (combine_comparisons): New declaration.
+ * match.pd (`(a CMP1 b) BITOP (a CMP2 b)`): New pattern.
+
+2026-07-03 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.cc (avr_out_plus_1): Handle +/-1 on the
+ lower regs without needing a scratch.
+ * config/avr/avr.md (add<mode>3_clobber, *add<mode>3_clobber)
+ (add<mode>3, *add<mode>3, addpsi3, *addpsi3): Add constraint
+ alternative "Y01 Ym1" for +/-1 without scratch.
+
+2026-07-03 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ * config/riscv/riscv.cc (synthesize_add): Utilize shNadd.uw when
+ appropriate.
+
+2026-07-03 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ * config/riscv/riscv.cc (and_synthesis): Use riscv_integer_cost rather
+ than riscv_const_insns. Use rotate+clear_bits+rotate when useful.
+
+2026-07-03 Richard Biener <rguenther@suse.de>
+
+ * tree-vect-slp.cc (vect_bb_vectorization_profitable_p): Make
+ profitabilty decision easier to debug.
+
+2026-07-03 Naveen <naveen.siddegowda@oss.qualcomm.com>
+
+ PR tree-optimization/102202
+ * tree-call-cdce.cc: Include "tree-ssanames.h", "gimple-fold.h".
+ (len_has_boolean_range_p): New function.
+ (can_shrink_wrap_len_p): New function.
+ (gen_zero_len_conditions): New function.
+ (shrink_wrap_len_call): New function.
+ (shrink_wrap_conditional_dead_built_in_calls): Dispatch to
+ shrink_wrap_one_memset_call for memset calls eligible for the [0, 1]
+ length transform, ahead of the generic LHS and range-test paths.
+ (pass_call_cdce::execute): Collect memset calls satisfying
+ can_shrink_wrap_memset_p as shrink-wrap candidates.
+
+2026-07-03 Kyrylo Tkachov <ktkachov@nvidia.com>
+
+ PR target/120027
+ * config/aarch64/aarch64-sve-builtins-base.cc (svext_bhw_impl::fold):
+ New member function. Fold the unsigned svextb/svexth/svextw
+ intrinsics to a bitwise AND when the merging form has an all-true
+ predicate.
+
+2026-07-03 Tamar Christina <tamar.christina@arm.com>
+ Chris Bazley <Chris.Bazley@arm.com>
+
+ * expr.cc (store_constructor): Handle VLA vec_init support and generic
+ fall through piecewise copy.
+ * doc/md.texi: Document change
+
+2026-07-03 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ * config/riscv/riscv.cc (synthesize_ior_xor): Use riscv_integer_cost
+ rather than riscv_const_insns.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.opt.urls: Renegerate.
+ * config/vax/vax.opt.urls: Renegerate.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/55212
+ * config/sh/sh.opt (mlra): Ignore option but keep it around
+ for compatibility.
+ * config/sh/sh.cc (TARGET_LRA_P): Remove.
+ (sh_lra_p): Move definition ...
+ * config/sh/sh-protos.h (sh_lra_p): ... here. Always return true.
+ * doc/invoke.texi: Remove mention of -mlra for SH.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/55212
+ * config/sh/sh.md (movv2sf, movv2sf_i, unnamed splits): New patterns.
+ * config/sh/sh.cc (sh_hard_regno_mode_ok): Allow V2SF only in fp-regs.
+ (sh_max_mov_insn_displacement): Return 0 for any float mode.
+
+2026-07-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ PR target/55212
+ * config/sh/sh.md (extend<mode>si2_short_mem_disp_z): New
+ insn_and_split.
+ (extend<mode>si2): Use it for LRA.
+ (mov<mode>_store_mem_index, *mov<mode>_store_mem_index): New patterns.
+ (mov<mode>): Use it for LRA.
+ (movsf_ie_store_mem_index, movsf_ie_load_mem_index,
+ *movsf_ie_store_mem_inde, *movsf_ie_load_mem_index): New patterns.
+ (movsf): Use it for LRA.
+
+2026-07-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ PR target/55212
+ * config/sh/predicates.md (pc_relative_load_operand): New predicate.
+ * config/sh/sh-protos.h (sh_movsf_ie_ra_split_p): Remove.
+ (sh_movsf_ie_y_split_p): New proto.
+ (sh_movsf_ie_subreg_multiword_p): New proto.
+ * config/sh/sh.cc: (sh_movsf_ie_ra_split_p): Remove.
+ (sh_movsf_ie_y_split_p): New function.
+ (sh_movsf_ie_subreg_multiword_p): New function.
+ (broken_move): Take movsf_ie_ra into account for fldi cases.
+ * config/sh/sh.md (movdf_i4_F_z): New insn.
+ (movdf): Use it when expanding.
+ (movsf_ie_ra): Use define_insn instead of define_insn_and_split.
+ Adjust alternatives.
+ (movsf_ie_rffr): New insn_and_split.
+ (movsf_ie_F_z, movsf_ie_Q_z, movsf_ie_y): New insns.
+ (movsf): Use new patterns when expanding.
+
2026-07-02 Pengfei Li <Pengfei.Li2@arm.com>
* config/aarch64/aarch64.cc
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/126057
+ * decl.cc (cp_finish_decomp): Set assembler name to
+ <decomp> during error recovery whenever TREE_STATIC
+ rather than just DECL_NAMESPACE_SCOPE_P.
+ * pt.cc (tsubst_stmt): If tsubst_decomp_names fails,
+ set assembler name to <decomp>.
+
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/125826
+ * method.cc: Implement C++29 P2953R5 - Adding restrictions to
+ defaulted assignment operator functions.
+ (maybe_delete_defaulted_fn): For C++29, error instead of
+ deleting always, with the exception of F1 having parmtype
+ const C & and F2 having implicit_parmtype C & and no other
+ non-permitted changes. Move checks whether defaulted fn
+ should be deleted or ill-formed at all from defaulted_late_check
+ to this function. Also error for C++29 if
+ FUNCTION_RVALUE_QUALIFIED.
+ (defaulted_late_check): Call maybe_delete_defaulted_fn
+ unconditionally.
+
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/126036
+ * reflect.cc (get_range_elts): Avoid calling finish_compound_literal
+ when processing_template_decl, instead set *non_constant_p and
+ return NULL_TREE.
+ (process_metafunction): Likewise.
+
2026-07-02 Marek Polacek <polacek@redhat.com>
PR c++/125819
+2026-07-03 Sandra Loosemore <sloosemore@baylibre.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * openmp.cc (resolve_omp_clauses_aff_dep_map_cache): Fix
+ indentation.
+
+2026-07-03 Mikael Morin <mikael@gcc.gnu.org>
+
+ PR fortran/97592
+ PR fortran/125998
+ * trans-array.cc (gfc_conv_array_parameter): Always create a new
+ descriptor. Copy lbound and ubound from the original descriptor
+ using matching dimension indexes. Recalculate stride and
+ offset.
+
2026-07-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/126018
+2026-07-03 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/124260
+ * objc-act.cc (objc_create_temporary_var, objc_build_struct,
+ synth_module_prologue, objc_build_internal_const_str_type,
+ objc_begin_catch_clause, objc_push_parm, synth_self_and_ucmd_args,
+ start_method_def, objc_start_function,
+ get_super_receiver): Use build_lang_decl for Objective-C++.
+ * objc-act.h (objc_build_decl): New.
+ * objc-gnu-runtime-abi-01.cc (gnu_runtime_01_initialize,
+ objc_add_static_instance, handle_class_ref): use build_lang_decl
+ for Objective-C++.
+ * objc-next-runtime-abi-01.cc (next_runtime_01_initialize,
+ next_runtime_abi_01_build_const_string_constructor): Likewise.
+ * objc-next-runtime-abi-02.cc (next_runtime_02_initialize,
+ next_runtime_abi_02_build_const_string_constructor): Likewise.
+ * objc-runtime-shared-support.cc (create_field_decl,
+ start_var_decl): Likewise.
+
2026-06-28 Kevin Stefanov <kevinstefanov15@gmail.com>
PR middle-end/125274
+2026-07-03 Philipp Tomsich <philipp.tomsich@vrull.eu>
+
+ PR tree-optimization/122569
+ * gcc.dg/tree-ssa/pr122569-3.c: New test.
+
+2026-07-03 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
+
+ PR tree-optimization/106164
+ PR tree-optimization/126042
+ PR tree-optimization/94589
+ * g++.dg/opt/pr94589-5a.C: New test.
+ * gcc.dg/pr94589-5.c: Explictly enable -ftrapping-math.
+ * gcc.dg/pr94589-5a.c: New test.
+
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/126057
+ * g++.dg/cpp2a/decomp11.C: New test.
+
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/125826
+ * g++.dg/cpp0x/defaulted51.C: Adjust expected diagnostics
+ for C++29.
+ * g++.dg/cpp0x/defaulted55.C: Likewise.
+ * g++.dg/cpp0x/defaulted56.C: Likewise.
+ * g++.dg/cpp0x/defaulted57.C: Likewise.
+ * g++.dg/cpp0x/defaulted63.C: Likewise.
+ * g++.dg/cpp0x/defaulted64.C: Likewise.
+ * g++.dg/cpp0x/defaulted65.C: Likewise.
+ * g++.dg/cpp0x/defaulted66.C: Likewise.
+ * g++.dg/cpp0x/defaulted67.C: Likewise.
+ * g++.dg/cpp0x/defaulted68.C: Likewise.
+ * g++.dg/cpp1y/defaulted2.C: Likewise.
+ * g++.dg/cpp29/defaulted1.C: New test.
+ * g++.dg/cpp29/defaulted2.C: New test.
+ * g++.dg/cpp29/defaulted3.C: New test.
+ * g++.dg/cpp29/defaulted4.C: New test.
+ * g++.dg/cpp29/defaulted5.C: New test.
+ * g++.dg/cpp29/defaulted6.C: New test.
+
+2026-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/126036
+ * g++.dg/reflect/pr126036.C: New test.
+
+2026-07-03 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ * gcc.target/riscv/and-synthesis-3.c: New test.
+
+2026-07-03 Naveen <naveen.siddegowda@oss.qualcomm.com>
+
+ PR tree-optimization/102202
+ * gcc.dg/pr102202-1.c: New test.
+ * gcc.dg/pr102202.c: New test.
+ * gcc.target/aarch64/pr100518.c: Modify to handle the warning.
+
+2026-07-03 Kyrylo Tkachov <ktkachov@nvidia.com>
+
+ PR target/120027
+ * gcc.target/aarch64/sve/acle/general/pr120027.c: New test.
+
+2026-07-03 Mikael Morin <mikael@gcc.gnu.org>
+
+ PR fortran/97592
+ PR fortran/125998
+ * gfortran.dg/contiguous_17.f90: New test.
+
+2026-07-03 Tamar Christina <tamar.christina@arm.com>
+ Chris Bazley <Chris.Bazley@arm.com>
+
+ * gcc.target/aarch64/sve/copsi.c: New test.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/81426
+ * gcc.target/sh/pr81426.c: New test.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/34777
+ * gcc.target/sh/torture/pr34777-1.c: New test.
+
+2026-07-03 Oleg Endo <olegendo@gcc.gnu.org>
+
+ PR target/124778
+ * gcc.target/sh/torture/pr124778.c: New test.
+
+2026-07-03 Jeff Law <jeffrey.law@oss.qualcomm.com>
+
+ * gcc.target/riscv/xor-synthesis-4.c: New test.
+
2026-07-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/126018
+2026-07-03 WHR <whr@rivoreo.one>
+ Thomas Schwinge <tschwinge@baylibre.com>
+
+ PR other/116547
+ * ssp.c: Include stdlib.h for alloca(3).
+
2026-06-29 Pietro Monteiro <pietro@sociotechnical.xyz>
PR bootstrap/103459
+2026-07-03 Nathan Myers <ncm@cantrip.org>
+
+ PR libstdc++/126072
+ * testsuite/20_util/allocator/allocate_at_least.cc: Fix.
+
+2026-07-03 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/std/format (_Pres_type::_Pres_p, _Pres_type::_Pres_P):
+ Change the values to which they are defined.
+ (__formatter_fp::format): Append 0x/0X if _M_type is _Pres_p/_Pres_P
+ respectively.
+ (__formatter_fp::_M_localize): Add __offset parameter representing
+ start of number value (after sign and prefix).
+ (__formatter_ptr::parse, __formatter_ptr::_M_default)
+ (__formatter_ptr::__formatter_ptr): Remove unused __type parameter,
+ and replace use of _Pres_p/P with _Pres_x/X.
+
+2026-07-03 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/std/format (__formatter_int::format)
+ (__formatter_fp::format): For unrecognised _M_spec._M_type
+ values (default branch of switch) fallthrou to _Pres_none.
+
+2026-07-03 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/bits/optional_ref.h (optional<_Tp&>::_S_from_ptr):
+ Define.
+ * include/bits/version.def (exception_ptr_cast): Bump value
+ to 202603.
+ * include/bits/version.h: Regenerate.
+ * libsupc++/exception_ptr.h (exception_ptr_cast)
+ [__cpp_lib_exception_ptr_cast >= 202603L]: Change return
+ type to optional<const _Ex&>.
+ * testsuite/18_support/exception_ptr/exception_ptr_cast.cc:
+ Modify to handle change in the return type, and add test
+ for type convertible to optional to reference to that value.
+
+2026-07-03 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * include/Makefile.am (bits/optional_ref.h): Add.
+ * include/Makefile.in: Regenerate.
+ * include/bits/inplace_tags.h: New file.
+ * include/bits/utility.h (std::in_place_t, std::in_place)
+ (std::in_place_type_t, std::in_place_type)
+ (std::in_place_index_t, in_place_index): Move to
+ bits/inplace_tags.h.
+ * include/bits/optional_ref.h: New file.
+ * include/std/optional (std::nullopt_t, std::nullopt)
+ (std::__is_valid_contained_type_for_optional)
+ (std::_Optional_func, std::optional<_Tp&>)
+ (std::__is_optional_ref_v, std::__optional_ref_base):
+ Moved to bits/optional_ref.h.
+ (optional<_Tp&>::begin, optional<_Tp&>::end)
+ (optional<_Tp&>::value, optional<_Tp&>::value_or)
+ (optional<_Tp&>::and_then, optional<_Tp&>::transform)
+ (optional<_Tp&>::optional(_Optional_func<_Fn>, _Value)):
+ Define out of line.
+ (optional<_Tp&>::or_else): Define out of line, and
+ change requires from invocable<_Fn> to is_invocable_v<_Fn>.
+
2026-07-02 Yuao Ma <c8ef@outlook.com>
* include/bits/basic_string.h(append, assign): Add new
projects / thirdparty / gcc.git / commitdiff
