[gcc r12-3434] Daily bump.

[gcc r12-3434] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:f84e2f0b7b022123232eb30d579984a8c1880782

commit r12-3434-gf84e2f0b7b022123232eb30d579984a8c1880782
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Sep 10 00:16:31 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 114 +++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/c-family/ChangeLog  |   5 ++
 gcc/fortran/ChangeLog   |   7 ++
 gcc/testsuite/ChangeLog | 185 ++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 312 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2f27a0cb0b4..60fd1be5ed6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,117 @@
+2021-09-09  qing zhao  <qing.zhao@oracle.com>
+
+	* builtins.c (expand_builtin_memset): Make external visible.
+	* builtins.h (expand_builtin_memset): Declare extern.
+	* common.opt (ftrivial-auto-var-init=): New option.
+	* doc/extend.texi: Document the uninitialized attribute.
+	* doc/invoke.texi: Document -ftrivial-auto-var-init.
+	* flag-types.h (enum auto_init_type): New enumerated type
+	auto_init_type.
+	* gimple-fold.c (clear_padding_type): Add one new parameter.
+	(clear_padding_union): Likewise.
+	(clear_padding_emit_loop): Likewise.
+	(clear_type_padding_in_mask): Likewise.
+	(gimple_fold_builtin_clear_padding): Handle this new parameter.
+	* gimplify.c (gimple_add_init_for_auto_var): New function.
+	(gimple_add_padding_init_for_auto_var): New function.
+	(is_var_need_auto_init): New function.
+	(gimplify_decl_expr): Add initialization to automatic variables per
+	users' requests.
+	(gimplify_call_expr): Add one new parameter for call to
+	__builtin_clear_padding.
+	(gimplify_init_constructor): Add padding initialization in the end.
+	* internal-fn.c (INIT_PATTERN_VALUE): New macro.
+	(expand_DEFERRED_INIT): New function.
+	* internal-fn.def (DEFERRED_INIT): New internal function.
+	* tree-cfg.c (verify_gimple_call): Verify calls to .DEFERRED_INIT.
+	* tree-sra.c (generate_subtree_deferred_init): New function.
+	(scan_function): Avoid setting cannot_scalarize_away_bitmap for
+	calls to .DEFERRED_INIT.
+	(sra_modify_deferred_init): New function.
+	(sra_modify_function_body): Handle calls to DEFERRED_INIT specially.
+	* tree-ssa-structalias.c (find_func_aliases_for_call): Likewise.
+	* tree-ssa-uninit.c (warn_uninit): Handle calls to DEFERRED_INIT
+	specially.
+	(check_defs): Likewise.
+	(warn_uninitialized_vars): Likewise.
+	* tree-ssa.c (ssa_undefined_value_p): Likewise.
+	* tree.c (build_common_builtin_nodes): Build tree node for
+	BUILT_IN_CLEAR_PADDING when needed.
+
+2021-09-09  Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-loop-im.c (fill_always_executed_in_1): Walk
+	into all subloops.
+
+2021-09-09  Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-loop-im.c (fill_always_executed_in_1): Integrate
+	DOM walk from get_loop_body_in_dom_order using a worklist
+	approach.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	* config.gcc: Add avx512fp16vlintrin.h.
+	* config/i386/avx512fp16intrin.h: (_mm512_add_ph): New intrinsic.
+	(_mm512_mask_add_ph): Likewise.
+	(_mm512_maskz_add_ph): Likewise.
+	(_mm512_sub_ph): Likewise.
+	(_mm512_mask_sub_ph): Likewise.
+	(_mm512_maskz_sub_ph): Likewise.
+	(_mm512_mul_ph): Likewise.
+	(_mm512_mask_mul_ph): Likewise.
+	(_mm512_maskz_mul_ph): Likewise.
+	(_mm512_div_ph): Likewise.
+	(_mm512_mask_div_ph): Likewise.
+	(_mm512_maskz_div_ph): Likewise.
+	(_mm512_add_round_ph): Likewise.
+	(_mm512_mask_add_round_ph): Likewise.
+	(_mm512_maskz_add_round_ph): Likewise.
+	(_mm512_sub_round_ph): Likewise.
+	(_mm512_mask_sub_round_ph): Likewise.
+	(_mm512_maskz_sub_round_ph): Likewise.
+	(_mm512_mul_round_ph): Likewise.
+	(_mm512_mask_mul_round_ph): Likewise.
+	(_mm512_maskz_mul_round_ph): Likewise.
+	(_mm512_div_round_ph): Likewise.
+	(_mm512_mask_div_round_ph): Likewise.
+	(_mm512_maskz_div_round_ph): Likewise.
+	* config/i386/avx512fp16vlintrin.h: New header.
+	* config/i386/i386-builtin-types.def (V16HF, V8HF, V32HF):
+	Add new builtin types.
+	* config/i386/i386-builtin.def: Add corresponding builtins.
+	* config/i386/i386-expand.c
+	(ix86_expand_args_builtin): Handle new builtin types.
+	(ix86_expand_round_builtin): Likewise.
+	* config/i386/immintrin.h: Include avx512fp16vlintrin.h
+	* config/i386/sse.md (VFH): New mode_iterator.
+	(VF2H): Likewise.
+	(avx512fmaskmode): Add HF vector modes.
+	(avx512fmaskhalfmode): Likewise.
+	(<plusminus_insn><mode>3<mask_name><round_name>): Adjust to for
+	HF vector modes.
+	(*<plusminus_insn><mode>3<mask_name><round_name>): Likewise.
+	(mul<mode>3<mask_name><round_name>): Likewise.
+	(*mul<mode>3<mask_name><round_name>): Likewise.
+	(div<mode>3): Likewise.
+	(<sse>_div<mode>3<mask_name><round_name>): Likewise.
+	* config/i386/subst.md (SUBST_V): Add HF vector modes.
+	(SUBST_A): Likewise.
+	(round_mode512bit_condition): Adjust for V32HFmode.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/101059
+	* config/i386/sse.md (reduc_plus_scal_<mode>): Split to ..
+	(reduc_plus_scal_v4sf): .. this, New define_expand.
+	(reduc_plus_scal_v2df): .. and this, New define_expand.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/91103
+	* config/i386/sse.md (*vec_extract<mode><ssescalarmodelower>_valign):
+	New define_insn.
+
 2021-09-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR c++/60318
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 6d29c0e5650..77061197cc6 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210909
+20210910
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index d5618a59702..c39dfe34dab 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,8 @@
+2021-09-09  qing zhao  <qing.zhao@oracle.com>
+
+	* c-attribs.c (handle_uninitialized_attribute): New function.
+	(c_common_attribute_table): Add "uninitialized" attribute.
+
 2021-09-08  liuhongt  <hongtao.liu@intel.com>
 
 	* c-common.c (excess_precision_mode_join): Update below comments.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 2b148f111c1..991f3cffad9 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2021-09-09  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/98490
+	* trans-expr.c (gfc_conv_substring): Do not generate substring
+	bounds check for implied do loop index variable before it actually
+	becomes defined.
+
 2021-09-08  liuhongt  <hongtao.liu@intel.com>
 
 	* options.c (gfc_post_options): Issue an error for
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5d85573640e..1ca45f865fc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,188 @@
+2021-09-09  qing zhao  <qing.zhao@oracle.com>
+
+	* c-c++-common/auto-init-1.c: New test.
+	* c-c++-common/auto-init-10.c: New test.
+	* c-c++-common/auto-init-11.c: New test.
+	* c-c++-common/auto-init-12.c: New test.
+	* c-c++-common/auto-init-13.c: New test.
+	* c-c++-common/auto-init-14.c: New test.
+	* c-c++-common/auto-init-15.c: New test.
+	* c-c++-common/auto-init-16.c: New test.
+	* c-c++-common/auto-init-2.c: New test.
+	* c-c++-common/auto-init-3.c: New test.
+	* c-c++-common/auto-init-4.c: New test.
+	* c-c++-common/auto-init-5.c: New test.
+	* c-c++-common/auto-init-6.c: New test.
+	* c-c++-common/auto-init-7.c: New test.
+	* c-c++-common/auto-init-8.c: New test.
+	* c-c++-common/auto-init-9.c: New test.
+	* c-c++-common/auto-init-esra.c: New test.
+	* c-c++-common/auto-init-padding-1.c: New test.
+	* c-c++-common/auto-init-padding-2.c: New test.
+	* c-c++-common/auto-init-padding-3.c: New test.
+	* g++.dg/auto-init-uninit-pred-1_a.C: New test.
+	* g++.dg/auto-init-uninit-pred-2_a.C: New test.
+	* g++.dg/auto-init-uninit-pred-3_a.C: New test.
+	* g++.dg/auto-init-uninit-pred-4.C: New test.
+	* gcc.dg/auto-init-sra-1.c: New test.
+	* gcc.dg/auto-init-sra-2.c: New test.
+	* gcc.dg/auto-init-uninit-1.c: New test.
+	* gcc.dg/auto-init-uninit-12.c: New test.
+	* gcc.dg/auto-init-uninit-13.c: New test.
+	* gcc.dg/auto-init-uninit-14.c: New test.
+	* gcc.dg/auto-init-uninit-15.c: New test.
+	* gcc.dg/auto-init-uninit-16.c: New test.
+	* gcc.dg/auto-init-uninit-17.c: New test.
+	* gcc.dg/auto-init-uninit-18.c: New test.
+	* gcc.dg/auto-init-uninit-19.c: New test.
+	* gcc.dg/auto-init-uninit-2.c: New test.
+	* gcc.dg/auto-init-uninit-20.c: New test.
+	* gcc.dg/auto-init-uninit-21.c: New test.
+	* gcc.dg/auto-init-uninit-22.c: New test.
+	* gcc.dg/auto-init-uninit-23.c: New test.
+	* gcc.dg/auto-init-uninit-24.c: New test.
+	* gcc.dg/auto-init-uninit-25.c: New test.
+	* gcc.dg/auto-init-uninit-26.c: New test.
+	* gcc.dg/auto-init-uninit-3.c: New test.
+	* gcc.dg/auto-init-uninit-34.c: New test.
+	* gcc.dg/auto-init-uninit-36.c: New test.
+	* gcc.dg/auto-init-uninit-37.c: New test.
+	* gcc.dg/auto-init-uninit-4.c: New test.
+	* gcc.dg/auto-init-uninit-5.c: New test.
+	* gcc.dg/auto-init-uninit-6.c: New test.
+	* gcc.dg/auto-init-uninit-8.c: New test.
+	* gcc.dg/auto-init-uninit-9.c: New test.
+	* gcc.dg/auto-init-uninit-A.c: New test.
+	* gcc.dg/auto-init-uninit-B.c: New test.
+	* gcc.dg/auto-init-uninit-C.c: New test.
+	* gcc.dg/auto-init-uninit-H.c: New test.
+	* gcc.dg/auto-init-uninit-I.c: New test.
+	* gcc.target/aarch64/auto-init-1.c: New test.
+	* gcc.target/aarch64/auto-init-2.c: New test.
+	* gcc.target/aarch64/auto-init-3.c: New test.
+	* gcc.target/aarch64/auto-init-4.c: New test.
+	* gcc.target/aarch64/auto-init-5.c: New test.
+	* gcc.target/aarch64/auto-init-6.c: New test.
+	* gcc.target/aarch64/auto-init-7.c: New test.
+	* gcc.target/aarch64/auto-init-8.c: New test.
+	* gcc.target/aarch64/auto-init-padding-1.c: New test.
+	* gcc.target/aarch64/auto-init-padding-10.c: New test.
+	* gcc.target/aarch64/auto-init-padding-11.c: New test.
+	* gcc.target/aarch64/auto-init-padding-12.c: New test.
+	* gcc.target/aarch64/auto-init-padding-2.c: New test.
+	* gcc.target/aarch64/auto-init-padding-3.c: New test.
+	* gcc.target/aarch64/auto-init-padding-4.c: New test.
+	* gcc.target/aarch64/auto-init-padding-5.c: New test.
+	* gcc.target/aarch64/auto-init-padding-6.c: New test.
+	* gcc.target/aarch64/auto-init-padding-7.c: New test.
+	* gcc.target/aarch64/auto-init-padding-8.c: New test.
+	* gcc.target/aarch64/auto-init-padding-9.c: New test.
+	* gcc.target/i386/auto-init-1.c: New test.
+	* gcc.target/i386/auto-init-2.c: New test.
+	* gcc.target/i386/auto-init-21.c: New test.
+	* gcc.target/i386/auto-init-22.c: New test.
+	* gcc.target/i386/auto-init-23.c: New test.
+	* gcc.target/i386/auto-init-24.c: New test.
+	* gcc.target/i386/auto-init-3.c: New test.
+	* gcc.target/i386/auto-init-4.c: New test.
+	* gcc.target/i386/auto-init-5.c: New test.
+	* gcc.target/i386/auto-init-6.c: New test.
+	* gcc.target/i386/auto-init-7.c: New test.
+	* gcc.target/i386/auto-init-8.c: New test.
+	* gcc.target/i386/auto-init-padding-1.c: New test.
+	* gcc.target/i386/auto-init-padding-10.c: New test.
+	* gcc.target/i386/auto-init-padding-11.c: New test.
+	* gcc.target/i386/auto-init-padding-12.c: New test.
+	* gcc.target/i386/auto-init-padding-2.c: New test.
+	* gcc.target/i386/auto-init-padding-3.c: New test.
+	* gcc.target/i386/auto-init-padding-4.c: New test.
+	* gcc.target/i386/auto-init-padding-5.c: New test.
+	* gcc.target/i386/auto-init-padding-6.c: New test.
+	* gcc.target/i386/auto-init-padding-7.c: New test.
+	* gcc.target/i386/auto-init-padding-8.c: New test.
+	* gcc.target/i386/auto-init-padding-9.c: New test.
+
+2021-09-09  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/98490
+	* gfortran.dg/bounds_check_23.f90: New test.
+
+2021-09-09  H.J. Lu  <hjl.tools@gmail.com>
+
+	* gcc.target/x86_64/abi/avx512fp16/args.h: Replace long with
+	long long.
+	(XMM_T): Rename _long to _longlong and _ulong to _ulonglong.
+	(X87_T): Rename _ulong to _ulonglong.
+	* gcc.target/x86_64/abi/avx512fp16/defines.h (TYPE_SIZE_LONG):
+	Define to 4 if __ILP32__ is defined.
+	(TYPE_SIZE_POINTER): Likewise.
+	(TYPE_ALIGN_LONG): Likewise.
+	(TYPE_ALIGN_POINTER): Likewise.
+	* gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c
+	(main): Skip test for long if __ILP32__ is defined.
+	* gcc.target/x86_64/abi/avx512fp16/test_m64m128_returning.c
+	(do_test): Replace _long with _longlong.
+	* gcc.target/x86_64/abi/avx512fp16/test_struct_returning.c:
+	(check_300): Replace _ulong with _ulonglong.
+	* gcc.target/x86_64/abi/avx512fp16/m256h/args.h: Replace long
+	with long long.
+	(YMM_T): Rename _long to _longlong and _ulong to _ulonglong.
+	(X87_T): Rename _ulong to _ulonglong.
+	* gcc.target/x86_64/abi/avx512fp16/m512h/args.h: Replace long
+	with long long.
+	(ZMM_T): Rename _long to _longlong and _ulong to _ulonglong.
+	(X87_T): Rename _ulong to _ulonglong.
+
+2021-09-09  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/tree-ssa/ssa-lim-17.c: New testcase.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/avx512fp16-helper.h: New header file for
+	FP16 runtime test.
+	* gcc.target/i386/avx512fp16-vaddph-1a.c: New test.
+	* gcc.target/i386/avx512fp16-vaddph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16-vdivph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16-vdivph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16-vmulph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16-vmulph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16-vsubph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16-vsubph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vaddph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vaddph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vdivph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vdivph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vmulph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vmulph-1b.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vsubph-1a.c: Ditto.
+	* gcc.target/i386/avx512fp16vl-vsubph-1b.c: Ditto.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/avx-1.c: Add -mavx512vl and test for new intrinsics.
+	* gcc.target/i386/avx-2.c: Add -mavx512vl.
+	* gcc.target/i386/avx512fp16-11a.c: New test.
+	* gcc.target/i386/avx512fp16-11b.c: Ditto.
+	* gcc.target/i386/avx512vlfp16-11a.c: Ditto.
+	* gcc.target/i386/avx512vlfp16-11b.c: Ditto.
+	* gcc.target/i386/sse-13.c: Add test for new builtins.
+	* gcc.target/i386/sse-23.c: Ditto.
+	* gcc.target/i386/sse-14.c: Add test for new intrinsics.
+	* gcc.target/i386/sse-22.c: Ditto.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/101059
+	* gcc.target/i386/sse2-pr101059.c: New test.
+	* gcc.target/i386/sse3-pr101059.c: New test.
+
+2021-09-09  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/91103
+	* gcc.target/i386/pr91103-1.c: New test.
+	* gcc.target/i386/pr91103-2.c: New test.
+
 2021-09-08  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/102225