[gcc r12-2794] Daily bump.

[gcc r12-2794] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:f92f47785201d44cef91e2c4a9742fb503ce5316

commit r12-2794-gf92f47785201d44cef91e2c4a9742fb503ce5316
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Aug 7 00:16:39 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 284 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/c/ChangeLog         |  17 +++
 gcc/cp/ChangeLog        |   5 +
 gcc/testsuite/ChangeLog |  61 +++++++++++
 libgcc/ChangeLog        |  27 +++++
 libstdc++-v3/ChangeLog  |   7 ++
 7 files changed, 402 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6b7a77d7f24..3b0d1b06e9c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,287 @@
+2021-08-06  Martin Sebor  <msebor@redhat.com>
+
+	* builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
+	(expand_builtin_strcat): Same.
+	(expand_builtin_stpncpy): Same.
+	(expand_builtin_strncat): Same.
+	(check_read_access): Same.
+	(check_memop_access): Same.
+	(expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
+	(expand_builtin_strnlen): Same.
+	(expand_builtin_memcpy): Same.
+	(expand_builtin_memmove): Same.
+	(expand_builtin_mempcpy): Same.
+	(expand_builtin_strcpy): Same.
+	(expand_builtin_strcpy_args): Same.
+	(expand_builtin_stpcpy_1): Same.
+	(expand_builtin_strncpy): Same.
+	(expand_builtin_memset): Same.
+	(expand_builtin_bzero): Same.
+	(expand_builtin_strcmp): Same.
+	(expand_builtin_strncmp): Same.
+	(expand_builtin): Remove handlers.
+	(fold_builtin_strlen): Add a comment.
+	* builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
+	* calls.c (maybe_warn_nonstring_arg): Same.
+	* diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
+	* gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
+	(gimple_fold_builtin_stpcpy): Same.
+	* gimple-ssa-warn-access.cc (has_location): New function.
+	(get_location): Same.
+	(get_callee_fndecl): Same.
+	(call_nargs): Same.
+	(call_arg): Same.
+	(warn_string_no_nul): Define.
+	(unterminated_array): Same.
+	(check_nul_terminated_array): Same.
+	(maybe_warn_nonstring_arg): Same.
+	(maybe_warn_for_bound): Same.
+	(warn_for_access): Same.
+	(check_access): Same.
+	(check_memop_access): Same.
+	(check_read_access): Same.
+	(warn_dealloc_offset): Use helper functions.
+	(maybe_emit_free_warning): Same.
+	(class pass_waccess): Add members.
+	(check_strcat): New function.
+	(check_strncat): New function.
+	(check_stxcpy): New function.
+	(check_stxncpy): New function.
+	(check_strncmp): New function.
+	(pass_waccess::check_builtin): New function.
+	(pass_waccess::check): Call it.
+	* gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
+	builtins.h.
+	(maybe_warn_for_bound): Same.
+	(check_access): Same.
+	(check_memop_access): Same.
+	(check_read_access): Same.
+	* pointer-query.h (struct access_data): Define a ctor overload.
+
+2021-08-06  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/101801
+	* tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
+	(vect_can_vectorize_without_simd_p): ... to this.
+	* tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
+	(vect_can_vectorize_without_simd_p): ... to this and fold
+	in vect_min_worthwhile_factor.
+	(vect_min_worthwhile_factor): Remove.
+	(vectorizable_reduction): Adjust and remove the cost part.
+	* tree-vect-stmts.c (vectorizable_shift): Likewise.
+	(vectorizable_operation): Likewise.
+
+2021-08-06  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/101797
+	* config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
+	Add general_gr_operand predicate to operand 3.
+
+2021-08-06  Roger Sayle  <roger@nextmovesoftware.com>
+
+	* tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
+	CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
+
+2021-08-06  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
+	register_svprfop): Pass vec<> by pointer.
+	* langhooks-def.h (lhd_simulate_enum_decl): Likewise.
+	* langhooks.c (lhd_simulate_enum_decl): Likewise.
+	* langhooks.h (struct lang_hooks_for_types): Likewise.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* config/aarch64/arm_neon.h (vst1_bf16_x2): Use
+	__builtin_memcpy instead of constructing an additional
+	__builtin_aarch64_simd_oi one vector at a time.
+	(vst1q_bf16_x2): Likewise.
+	(vst1_bf16_x3): Use __builtin_memcpy instead of constructing
+	an additional __builtin_aarch64_simd_ci one vector at a time.
+	(vst1q_bf16_x3): Likewise.
+	(vst1_bf16_x4): Use __builtin_memcpy instead of a union.
+	(vst1q_bf16_x4): Likewise.
+	(vst2_bf16): Use __builtin_memcpy instead of constructing an
+	additional __builtin_aarch64_simd_oi one vector at a time.
+	(vst2q_bf16): Likewise.
+	(vst3_bf16): Use __builtin_memcpy instead of constructing an
+	additional __builtin_aarch64_simd_ci mode one vector at a
+	time.
+	(vst3q_bf16): Likewise.
+	(vst4_bf16): Use __builtin_memcpy instead of constructing an
+	additional __builtin_aarch64_simd_xi one vector at a time.
+	(vst4q_bf16): Likewise.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
+	(__ST2Q_LANE_FUNC): Delete.
+	(vst2_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of constructing __builtin_aarch64_simd_oi
+	one vector at a time.
+	(vst2_lane_f32): Likewise.
+	(vst2_lane_f64): Likewise.
+	(vst2_lane_p8): Likewise.
+	(vst2_lane_p16): Likewise.
+	(vst2_lane_p64): Likewise.
+	(vst2_lane_s8): Likewise.
+	(vst2_lane_s16): Likewise.
+	(vst2_lane_s32): Likewise.
+	(vst2_lane_s64): Likewise.
+	(vst2_lane_u8): Likewise.
+	(vst2_lane_u16): Likewise.
+	(vst2_lane_u32): Likewise.
+	(vst2_lane_u64): Likewise.
+	(vst2_lane_bf16): Likewise.
+	(vst2q_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of using a union.
+	(vst2q_lane_f32): Likewise.
+	(vst2q_lane_f64): Likewise.
+	(vst2q_lane_p8): Likewise.
+	(vst2q_lane_p16): Likewise.
+	(vst2q_lane_p64): Likewise.
+	(vst2q_lane_s8): Likewise.
+	(vst2q_lane_s16): Likewise.
+	(vst2q_lane_s32): Likewise.
+	(vst2q_lane_s64): Likewise.
+	(vst2q_lane_u8): Likewise.
+	(vst2q_lane_u16): Likewise.
+	(vst2q_lane_u32): Likewise.
+	(vst2q_lane_u64): Likewise.
+	(vst2q_lane_bf16): Likewise.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
+	(__ST3Q_LANE_FUNC): Delete.
+	(vst3_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of constructing __builtin_aarch64_simd_ci
+	one vector at a time.
+	(vst3_lane_f32): Likewise.
+	(vst3_lane_f64): Likewise.
+	(vst3_lane_p8): Likewise.
+	(vst3_lane_p16): Likewise.
+	(vst3_lane_p64): Likewise.
+	(vst3_lane_s8): Likewise.
+	(vst3_lane_s16): Likewise.
+	(vst3_lane_s32): Likewise.
+	(vst3_lane_s64): Likewise.
+	(vst3_lane_u8): Likewise.
+	(vst3_lane_u16): Likewise.
+	(vst3_lane_u32): Likewise.
+	(vst3_lane_u64): Likewise.
+	(vst3_lane_bf16): Likewise.
+	(vst3q_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of using a union.
+	(vst3q_lane_f32): Likewise.
+	(vst3q_lane_f64): Likewise.
+	(vst3q_lane_p8): Likewise.
+	(vst3q_lane_p16): Likewise.
+	(vst3q_lane_p64): Likewise.
+	(vst3q_lane_s8): Likewise.
+	(vst3q_lane_s16): Likewise.
+	(vst3q_lane_s32): Likewise.
+	(vst3q_lane_s64): Likewise.
+	(vst3q_lane_u8): Likewise.
+	(vst3q_lane_u16): Likewise.
+	(vst3q_lane_u32): Likewise.
+	(vst3q_lane_u64): Likewise.
+	(vst3q_lane_bf16): Likewise.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
+	(__ST4Q_LANE_FUNC): Delete.
+	(vst4_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of constructing __builtin_aarch64_simd_xi
+	one vector at a time.
+	(vst4_lane_f32): Likewise.
+	(vst4_lane_f64): Likewise.
+	(vst4_lane_p8): Likewise.
+	(vst4_lane_p16): Likewise.
+	(vst4_lane_p64): Likewise.
+	(vst4_lane_s8): Likewise.
+	(vst4_lane_s16): Likewise.
+	(vst4_lane_s32): Likewise.
+	(vst4_lane_s64): Likewise.
+	(vst4_lane_u8): Likewise.
+	(vst4_lane_u16): Likewise.
+	(vst4_lane_u32): Likewise.
+	(vst4_lane_u64): Likewise.
+	(vst4_lane_bf16): Likewise.
+	(vst4q_lane_f16): Use __builtin_memcpy to copy vector
+	structure instead of using a union.
+	(vst4q_lane_f32): Likewise.
+	(vst4q_lane_f64): Likewise.
+	(vst4q_lane_p8): Likewise.
+	(vst4q_lane_p16): Likewise.
+	(vst4q_lane_p64): Likewise.
+	(vst4q_lane_s8): Likewise.
+	(vst4q_lane_s16): Likewise.
+	(vst4q_lane_s32): Likewise.
+	(vst4q_lane_s64): Likewise.
+	(vst4q_lane_u8): Likewise.
+	(vst4q_lane_u16): Likewise.
+	(vst4q_lane_u32): Likewise.
+	(vst4q_lane_u64): Likewise.
+	(vst4q_lane_bf16): Likewise.
+
+2021-08-06  Martin Liska  <mliska@suse.cz>
+
+	* config/rs6000/rs6000.c (rs6000_option_override_internal): When
+	a target option is restored, it can have
+	rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
+	and error should not be emitted.
+
+2021-08-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* gcov-io.h (gcov_write): Declare.
+	* gcov-io.c (gcov_write): New.
+	(gcov_write_counter): Remove.
+	(gcov_write_tag_length): Likewise.
+	(gcov_write_summary): Replace gcov_write_tag_length() with calls to
+	gcov_write_unsigned().
+	* doc/invoke.texi (fprofile-info-section): Mention
+	__gcov_info_to_gdca().
+
+2021-08-06  Martin Sebor  <msebor@redhat.com>
+
+	* dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
+	arguments to by-reference.
+	(iterate_fix_dominators): Same.
+	* dominance.h (iterate_fix_dominators): Same.
+	* ipa-prop.h: Call auto_vec::to_vec_legacy.
+	* tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
+	arguments to by-reference.
+	(debug_data_dependence_relation): Same.
+	(dump_data_dependence_relations): Same.
+	* tree-data-ref.h (debug_data_dependence_relation): Same.
+	(dump_data_dependence_relations): Same.
+	* tree-predcom.c (dump_chains): Same.
+	(initialize_root_vars_lm): Same.
+	(determine_unroll_factor): Same.
+	(replace_phis_by_defined_names): Same.
+	(insert_init_seqs): Same.
+	(pcom_worker::tree_predictive_commoning_loop): Call
+	 auto_vec::to_vec_legacy.
+	* tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
+	arguments to by-reference.
+	* tree-ssa-threadbackward.c (populate_worklist): Same.
+	(back_threader::resolve_def): Same.
+	* tree-vect-data-refs.c (vect_check_nonzero_value): Same.
+	(vect_enhance_data_refs_alignment): Same.
+	(vect_check_lower_bound): Same.
+	(vect_prune_runtime_alias_test_list): Same.
+	(vect_permute_store_chain): Same.
+	* tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
+	* tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
+	* tree-vectorizer.h (vect_permute_store_chain): Same.
+	* vec.c (test_init): New function.
+	(vec_c_tests): Call new function.
+	* vec.h (vec): Declare ctors, dtor, and assignment.
+	(auto_vec::vec_to_legacy): New function.
+	(vec::copy): Adjust initialization.
+
 2021-08-05  H.J. Lu  <hjl.tools@gmail.com>
 
 	PR target/99744
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 891ccf65a21..d5d1da952c7 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210806
+20210807
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 367c9c72b4e..6f15b0fdff3 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,20 @@
+2021-08-06  Tamar Christina  <tamar.christina@arm.com>
+
+	* c-decl.c (c_simulate_enum_decl): Pass vec<> by pointer.
+	* c-tree.h (c_simulate_enum_decl): Likewise.
+
+2021-08-06  Martin Sebor  <msebor@redhat.com>
+
+	* c-parser.c (c_parser_declaration_or_fndef): Adjust by-value function
+	vec arguments to by-reference.
+	(c_finish_omp_declare_simd): Same.
+	(c_parser_compound_statement_nostart): Same.
+	(c_parser_for_statement): Same.
+	(c_parser_objc_methodprotolist): Same.
+	(c_parser_oacc_routine): Same.
+	(c_parser_omp_for_loop): Same.
+	(c_parser_omp_declare_simd): Same.
+
 2021-07-21  Thomas Schwinge  <thomas@codesourcery.com>
 	    Joseph Myers  <joseph@codesourcery.com>
 	    Cesar Philippidis  <cesar@codesourcery.com>
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 5b3e191e5d9..a8f70b02dec 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2021-08-06  Tamar Christina  <tamar.christina@arm.com>
+
+	* cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
+	* decl.c (cxx_simulate_enum_decl): Likewise.
+
 2021-08-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/101759
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d4c03074f52..661e1cb5e91 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,64 @@
+2021-08-06  Martin Sebor  <msebor@redhat.com>
+
+	* c-c++-common/Wsizeof-pointer-memaccess1.c: Also disable
+	-Wstringop-overread.
+	* c-c++-common/attr-nonstring-3.c: Adjust pattern of expected message.
+	* gcc.dg/Warray-bounds-39.c: Add an xfail due to a known bug.
+	* gcc.dg/Wstring-compare-3.c: Also disable -Wstringop-overread.
+	* gcc.dg/attr-nonstring-2.c: Adjust pattern of expected message.
+	* gcc.dg/attr-nonstring-4.c: Same.
+	* gcc.dg/Wstringop-overread-6.c: New test.
+	* gcc.dg/sso-14.c: Fix typos to avoid buffer overflow.
+
+2021-08-06  Christophe Lyon  <christophe.lyon@foss.st.com>
+
+	PR target/101723
+	* gcc.target/arm/pr69245.c: Make sure to emit code for fn1, fix
+	typo.
+
+2021-08-06  Christophe Lyon  <christophe.lyon@foss.st.com>
+
+	PR target/101723
+	* gcc.target/arm/attr-neon3.c: Fix typo.
+	* gcc.target/arm/pragma_fpu_attribute_2.c: Fix typo.
+
+2021-08-06  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/101797
+	* gcc.target/i386/pr101797.c: New test.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* gcc.target/aarch64/vector_structure_intrinsics.c: Add new
+	tests.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* gcc.target/aarch64/vector_structure_intrinsics.c: Add new
+	tests.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* gcc.target/aarch64/vector_structure_intrinsics.c: Add new
+	tests.
+
+2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
+
+	* gcc.target/aarch64/vector_structure_intrinsics.c: Add new
+	tests.
+
+2021-08-06  Martin Liska  <mliska@suse.cz>
+
+	* gcc.target/powerpc/pragma-optimize.c: New test.
+
+2021-08-06  Richard Biener  <rguenther@suse.de>
+
+	* gfortran.dg/vect/vect-8.f90: Simplify aarch64 scanning.
+
+2021-08-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* gcc.dg/gcov-info-to-gcda.c: New test.
+
 2021-08-05  Jonathan Wakely  <jwakely@redhat.com>
 
 	* g++.old-deja/g++.other/inline7.C: Cast nodiscard call to void.
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index de145fa80f4..cd7394a778d 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,30 @@
+2021-08-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* libgcov-driver.c (#include <stdint.h>): Remove.
+	(write_topn_counters): Use __INTPTR_TYPE__ instead of intptr_t.
+
+2021-08-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* Makefile.in (LIBGCOV_DRIVER): Add _gcov_info_to_gcda.
+	* gcov.h (gcov_info): Declare.
+	(__gcov_info_to_gdca): Likewise.
+	* libgcov.h (gcov_write_counter): Remove.
+	(gcov_write_tag_length): Likewise.
+	* libgcov-driver.c (#include <stdint.h>): New.
+	(#include <string.h>): Remove.
+	(NEED_L_GCOV): Conditionally define.
+	(NEED_L_GCOV_INFO_TO_GCDA): Likewise.
+	(are_all_counters_zero): New.
+	(gcov_dump_handler): Likewise.
+	(gcov_allocate_handler): Likewise.
+	(dump_unsigned): Likewise.
+	(dump_counter): Likewise.
+	(write_topn_counters): Add dump_fn, allocate_fn, and arg parameters.
+	Use dump_unsigned() and dump_counter().
+	(write_one_data): Add dump_fn, allocate_fn, and arg parameters.  Use
+	dump_unsigned(), dump_counter(), and are_all_counters_zero().
+	(__gcov_info_to_gcda): New.
+
 2021-08-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/t-slibgcc (SHLIB_LINK): Add $(LDFLAGS).
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index be5daf026ce..da75afb8ebc 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2021-08-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	* libsupc++/compare (compare_three_way, strong_order)
+	(weak_order, partial_order, compare_strong_order_fallback)
+	(compare_weak_order_fallback, compare_partial_order_fallback):
+	Move nodiscard attributes to correct location.
+
 2021-08-05  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/101782