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Daily bump.

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GCC Administrator 2020-12-04 00:16:36 +00:00
parent 61371884fb
commit b8dd0ef74d
8 changed files with 492 additions and 1 deletions
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186
gcc/ChangeLog
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2020-12-03 Martin Sebor <msebor@redhat.com>
PR c++/90629
PR middle-end/94527
* builtins.c (access_ref::access_ref): Initialize new member.
(compute_objsize): Use access_ref::deref. Handle simple pointer
assignment.
(expand_builtin): Remove handling of the free built-in.
(call_dealloc_argno): Same.
(find_assignment_location): New function.
(fndecl_alloc_p): Same.
(gimple_call_alloc_p): Same.
(call_dealloc_p): Same.
(matching_alloc_calls_p): Same.
(warn_dealloc_offset): Same.
(maybe_emit_free_warning): Same.
* builtins.h (struct access_ref): Declare new member.
(maybe_emit_free_warning): Make extern. Make use of access_ref.
Handle -Wmismatched-new-delete.
* calls.c (initialize_argument_information): Call
maybe_emit_free_warning.
* doc/extend.texi (attribute malloc): Update.
* doc/invoke.texi (-Wfree-nonheap-object): Expand documentation.
(-Wmismatched-new-delete): Document new option.
(-Wmismatched-dealloc): Document new option.
2020-12-03 Alexandre Oliva <oliva@adacore.com>
* tree.c (build_common_builtin_nodes): Declare
__builtin___clear_cache for all languages.
* builtins.c (maybe_emit_call_builtin___clear_cache): Accept
Pmode arguments.
2020-12-03 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/arm/t-rtems: Add "-mthumb -mcpu=cortex-r52
-mfloat-abi=hard" multilib.
2020-12-03 Uroš Bizjak <ubizjak@gmail.com>
Jakub Jelinek <jakub@redhat.com>
PR target/98086
* config/i386/i386.c (ix86_md_asm_adjustmd): Rewrite
zero-extension part to use convert_to_mode.
2020-12-03 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390.md ("@probe_stack2<mode>"): Change mode
iterator to W.
2020-12-03 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64-sve-builtins-base.cc (svundef_impl::fold):
Delete.
2020-12-03 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/98099
* expmed.c (flip_storage_order): In the case of a non-integer mode,
sorry out if the integer mode to be used instead is not supported.
2020-12-03 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/98082
* function.c (use_register_for_decl): Also return true for a result
if cfun->tail_call_marked is true.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* fold-const.h (native_encode_initializer): Add mask argument
defaulted to nullptr.
(find_bitfield_repr_type): Declare.
(native_interpret_aggregate): Declare.
* fold-const.c (find_bitfield_repr_type): New function.
(native_encode_initializer): Add mask argument and support for
filling it. Handle also some bitfields without integral
DECL_BIT_FIELD_REPRESENTATIVE.
(native_interpret_aggregate): New function.
* gimple-fold.h (clear_type_padding_in_mask): Declare.
* gimple-fold.c (struct clear_padding_struct): Add clear_in_mask
member.
(clear_padding_flush): Handle buf->clear_in_mask.
(clear_padding_union): Copy clear_in_mask. Don't error if
buf->clear_in_mask is set.
(clear_padding_type): Don't error if buf->clear_in_mask is set.
(clear_type_padding_in_mask): New function.
(gimple_fold_builtin_clear_padding): Set buf.clear_in_mask to false.
* doc/extend.texi (__builtin_bit_cast): Document.
2020-12-03 Ilya Leoshkevich <iii@linux.ibm.com>
* tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts_at_dest):
Do not allow __builtin_constant_p on a threading path.
2020-12-03 Ilya Leoshkevich <iii@linux.ibm.com>
* tree-ssa-strlen.c (printf_strlen_execute): Avoid division by
0.
2020-12-03 Kito Cheng <kito.cheng@sifive.com>
* config/riscv/multilib-generator (arch_canonicalize): Move
code to arch-canonicalize, and call that script to canonicalize arch
string.
(canonical_order): Move code to arch-canonicalize.
(LONG_EXT_PREFIXES): Ditto.
(IMPLIED_EXT): Ditto.
* config/riscv/arch-canonicalize: New.
* config.gcc (riscv*-*-*): Canonicalize --with-arch.
2020-12-03 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
* config/aarch64/aarch64-option-extensions.def
(AARCH64_OPT_EXTENSION): New +flagm option in -march for AArch64.
* config/aarch64/aarch64.h (AARCH64_FL_FLAGM): Add new flagm extension bit
mask.
(AARCH64_FL_FOR_ARCH8_4): Add flagm to Armv8.4-A.
* doc/invoke.texi: Update docs with +flagm.
2020-12-03 liuhongt <hongtao.liu@intel.com>
PR target/96906
* config/i386/sse.md
(<avx512>_ucmp<mode>3<mask_scalar_merge_name>): Add a new
define_split after this insn.
2020-12-03 liuhongt <hongtao.liu@intel.com>
PR target/97642
* config/i386/i386-expand.c
(ix86_expand_special_args_builtin): Don't move all-ones mask
operands into register.
* config/i386/sse.md (UNSPEC_MASKLOAD): New unspec.
(*<avx512>_load<mode>_mask): New define_insns for masked load
instructions.
(<avx512>_load<mode>_mask): Changed to define_expands which
specifically handle memory or all-ones mask operands.
(<avx512>_blendm<mode>): Changed to define_insns which are same
as original <avx512>_load<mode>_mask with adjustment of
operands order.
(*<avx512>_load<mode>): New define_insn_and_split which is
used to optimize for masked load with all one mask.
2020-12-03 Hongyu Wang <hongyu.wang@intel.com>
PR target/97770
* config/i386/sse.md (popcount<mode>2): New expander
for SI/DI vector modes.
(popcount<mode>2): Likewise for QI/HI vector modes.
2020-12-03 Alexandre Oliva <oliva@adacore.com>
* builtins.c (default_emit_call_builtin___clear_cache): New.
(maybe_emit_call_builtin___clear_cache): New.
(expand_builtin___clear_cache): Split into the above.
(expand_builtin): Do not issue clear_cache call any more.
* builtins.h (maybe_emit_call_builtin___clear_cache): Declare.
* config/aarch64/aarch64.c (aarch64_trampoline_init): Use
maybe_emit_call_builtin___clear_cache.
* config/arc/arc.c (arc_trampoline_init): Likewise.
* config/arm/arm.c (arm_trampoline_init): Likewise.
* config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
* config/csky/csky.c (csky_trampoline_init): Likewise.
* config/m68k/linux.h (FInALIZE_TRAMPOLINE): Likewise.
* config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
* config/tilepro/tilepro.c (tilepro_trampoline_init): Ditto.
* config/vxworks.c: Include rtl.h, memmodel.h, and optabs.h.
(vxworks_emit_call_builtin___clear_cache): New.
* config/vxworks.h (CLEAR_INSN_CACHE): Drop.
(TARGET_EMIT_CALL_BUILTIN___CLEAR_CACHE): Define.
* target.def (trampoline_init): In the documentation, refer to
maybe_emit_call_builtin___clear_cache.
(emit_call_builtin___clear_cache): New.
* doc/tm.texi.in: Add new hook point.
(CLEAR_CACHE_INSN): Remove duplicate 'both'.
* doc/tm.texi: Rebuilt.
* targhooks.h (default_meit_call_builtin___clear_cache):
Declare.
* tree.h (BUILTIN_ASM_NAME_PTR): New.
2020-12-03 Ilya Leoshkevich <iii@linux.ibm.com>
* tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
Do not allow __builtin_constant_p on a threading path.
2020-12-02 Jakub Jelinek <jakub@redhat.com>
* dwarf2out.c (add_scalar_info): Only use add_AT_wide for 128-bit

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20201203
20201204

15
gcc/c-family/ChangeLog
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2020-12-03 Martin Sebor <msebor@redhat.com>
PR c++/90629
PR middle-end/94527
* c-attribs.c (handle_dealloc_attribute): New function.
(handle_malloc_attribute): Handle argument forms of attribute.
* c.opt (-Wmismatched-dealloc): New option.
(-Wmismatched-new-delete): New option.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* c-common.h (enum rid): Add RID_BUILTIN_BIT_CAST.
* c-common.c (c_common_reswords): Add __builtin_bit_cast.
2020-12-01 JeanHeyd Meneide <phdofthehouse@gmail.com>
* c-cppbuiltin.c (c_cpp_builtins): Add predefined

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gcc/cp/ChangeLog
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2020-12-03 Jason Merrill <jason@redhat.com>
* cp-tree.h (releasing_vec::operator[]): Change parameter type to
ptrdiff_t.
2020-12-03 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (OVL_EXPORT): New.
(class ovl_iterator): Add get_using, exporting_p.
* tree.c (ovl_insert): Extend using_or_hidden meaning to include
an exported using.
2020-12-03 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (DECL_UNINSTANTIATED_TEMPLATE_FRIEND): New.
* pt.c (push_template_decl): Set it.
(tsubst_friend_function): Clear it.
2020-12-03 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (make_unbound_class_template_raw): Declare.
(canonical_type_parameter): Declare.
* decl.c (make_unbound_class_template_raw): Break out of ...
(make_unboud_class_template): ... here. Call it.
* pt.c (canonical_type_parameter): Externalize. Refactor & set
structural_equality for type parms.
2020-12-03 Nathan Sidwell <nathan@acm.org>
PR c++/98107
* tree.c (build_cplus_array_type): Mark dependency of new variant.
(cp_build_qualified_type_real, strip_typedefs): Assert
TYPE_DEPENDENT_P_VALID, or not a dependent type.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* cp-tree.h (cp_build_bit_cast): Declare.
* cp-tree.def (BIT_CAST_EXPR): New tree code.
* cp-objcp-common.c (names_builtin_p): Handle RID_BUILTIN_BIT_CAST.
(cp_common_init_ts): Handle BIT_CAST_EXPR.
* cxx-pretty-print.c (cxx_pretty_printer::postfix_expression):
Likewise.
* parser.c (cp_parser_postfix_expression): Handle
RID_BUILTIN_BIT_CAST.
* semantics.c (cp_build_bit_cast): New function.
* tree.c (cp_tree_equal): Handle BIT_CAST_EXPR.
(cp_walk_subtrees): Likewise.
* pt.c (tsubst_copy): Likewise.
* constexpr.c (check_bit_cast_type, cxx_eval_bit_cast): New functions.
(cxx_eval_constant_expression): Handle BIT_CAST_EXPR.
(potential_constant_expression_1): Likewise.
* cp-gimplify.c (cp_genericize_r): Likewise.
2020-12-03 Jason Merrill <jason@redhat.com>
* parser.c (cp_parser_primary_expression): Distinguish
parms from vars in error.
(cp_parser_late_parsing_default_args): Pushdecl parms
as we go.
2020-12-03 Jason Merrill <jason@redhat.com>
* name-lookup.c (begin_scope): Set immediate_fn_ctx_p.
* parser.c (cp_parser_late_parsing_default_args): Push
sk_function_parms scope.
2020-12-03 Peter Bergner <bergner@linux.ibm.com>
PR c++/97947

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gcc/fortran/ChangeLog
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2020-12-03 Harald Anlauf <anlauf@gmx.de>
PR fortran/95342
* decl.c (gfc_match_function_decl): Avoid NULL pointer dereference.
(gfc_match_subroutine): Likewise.
2020-11-30 Tobias Burnus <tobias@codesourcery.com>
PR fortran/98011

145
gcc/testsuite/ChangeLog
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2020-12-03 Jason Merrill <jason@redhat.com>
* g++.dg/cpp2a/concepts-nodiscard1.C: XFAIL.
2020-12-03 Martin Sebor <msebor@redhat.com>
PR c++/90629
PR middle-end/94527
* g++.dg/asan/asan_test.cc: Fix a bug.
* g++.dg/warn/delete-array-1.C: Add expected warning.
* g++.old-deja/g++.other/delete2.C: Add expected warning.
* g++.dg/warn/Wfree-nonheap-object-2.C: New test.
* g++.dg/warn/Wfree-nonheap-object.C: New test.
* g++.dg/warn/Wmismatched-new-delete.C: New test.
* g++.dg/warn/Wmismatched-dealloc-2.C: New test.
* g++.dg/warn/Wmismatched-dealloc.C: New test.
* gcc.dg/Wmismatched-dealloc.c: New test.
* gcc.dg/analyzer/malloc-1.c: Prune out expected warning.
* gcc.dg/attr-malloc.c: New test.
* gcc.dg/free-1.c: Adjust text of expected warning.
* gcc.dg/free-2.c: Same.
* gcc.dg/torture/pr71816.c: Prune out expected warning.
* gcc.dg/tree-ssa/pr19831-2.c: Add an expected warning.
* gcc.dg/Wfree-nonheap-object-2.c: New test.
* gcc.dg/Wfree-nonheap-object-3.c: New test.
* gcc.dg/Wfree-nonheap-object.c: New test.
* g++.dg/warn/Wfree-nonheap-object.s: New file.
2020-12-03 Harald Anlauf <anlauf@gmx.de>
PR fortran/95342
* gfortran.dg/pr95342.f90: New test.
2020-12-03 Ian Lance Taylor <iant@golang.org>
* go.test/go-test.exp (go-gc-tests): Add -I. when building all
sources in a directory (errorcheckdir, compiledir, rundir,
rundircmpout).
2020-12-03 Jason Merrill <jason@redhat.com>
PR c++/98019
* g++.dg/cpp2a/concepts-nodiscard1.C: New test.
2020-12-03 Uroš Bizjak <ubizjak@gmail.com>
Jakub Jelinek <jakub@redhat.com>
PR target/98086
* gcc.target/i386/pr98086.c: New test.
2020-12-03 Nathan Sidwell <nathan@acm.org>
PR c++/98115
PR c++/98116
* g++.dg/template/pr98115.C: New.
* g++.dg/template/pr98116.C: New.
2020-12-03 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/stack-clash-4.c: New test.
2020-12-03 Richard Sandiford <richard.sandiford@arm.com>
* gcc.target/aarch64/sve/acle/general/undef_1.c: New test.
2020-12-03 Eric Botcazou <ebotcazou@adacore.com>
* gcc.dg/pr98099.c: New test.
2020-12-03 Eric Botcazou <ebotcazou@adacore.com>
* g++.dg/cpp2a/pr98082.C: New test.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* g++.dg/cpp2a/bit-cast1.C: New test.
* g++.dg/cpp2a/bit-cast2.C: New test.
* g++.dg/cpp2a/bit-cast3.C: New test.
* g++.dg/cpp2a/bit-cast4.C: New test.
* g++.dg/cpp2a/bit-cast5.C: New test.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
* g++.dg/cpp2a/consteval-defarg2.C: New test.
2020-12-03 Jakub Jelinek <jakub@redhat.com>
PR c++/98104
* g++.dg/warn/pr98104.C: New test.
2020-12-03 liuhongt <hongtao.liu@intel.com>
* gcc.target/i386/avx512bw-pr96906-1.c: New test.
* gcc.target/i386/pr96906-1.c: Add -mno-avx512f.
2020-12-03 liuhongt <hongtao.liu@intel.com>
* gcc.target/i386/avx512bw-vmovdqu16-1.c: Adjust testcase to
make sure only masked load instruction is generated.
* gcc.target/i386/avx512bw-vmovdqu8-1.c: Ditto.
* gcc.target/i386/avx512f-vmovapd-1.c: Ditto.
* gcc.target/i386/avx512f-vmovaps-1.c: Ditto.
* gcc.target/i386/avx512f-vmovdqa32-1.c: Ditto.
* gcc.target/i386/avx512f-vmovdqa64-1.c: Ditto.
* gcc.target/i386/avx512vl-vmovapd-1.c: Ditto.
* gcc.target/i386/avx512vl-vmovaps-1.c: Ditto.
* gcc.target/i386/avx512vl-vmovdqa32-1.c: Ditto.
* gcc.target/i386/avx512vl-vmovdqa64-1.c: Ditto.
* gcc.target/i386/pr97642-1.c: New test.
* gcc.target/i386/pr97642-2.c: New test.
2020-12-03 Jason Merrill <jason@redhat.com>
* g++.dg/parse/defarg17.C: New test.
2020-12-03 Jason Merrill <jason@redhat.com>
* g++.dg/cpp2a/consteval-defarg1.C: New test.
2020-12-03 Hongyu Wang <hongyu.wang@intel.com>
PR target/97770
* gcc.target/i386/avx512bitalg-pr97770-1.c: New test.
* gcc.target/i386/avx512vpopcntdq-pr97770-1.c: Likewise.
* gcc.target/i386/avx512vpopcntdq-pr97770-2.c: Likewise.
* gcc.target/i386/avx512vpopcntdqvl-pr97770-1.c: Likewise.
2020-12-03 Alexandre Oliva <oliva@adacore.com>
* lib/options.exp (check_for_options_with_filter): Detect
unavailable compiler for the selected language, and bail out
as unsupported.
2020-12-03 Martin Sebor <msebor@redhat.com>
* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust expected warnings
to correctly reflect the maximum object size.
* gcc.dg/tree-ssa/builtin-sprintf-warn-11.c: Same.
* gcc.dg/tree-ssa/builtin-sprintf-warn-18.c: Same.
2020-12-03 Ilya Leoshkevich <iii@linux.ibm.com>
* gcc.target/s390/builtin-constant-p-threading.c: New test.
2020-12-03 Peter Bergner <bergner@linux.ibm.com>
PR c++/97947

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2020-12-03 Michael Meissner <meissner@linux.ibm.com>
PR libgcc/97543
PR libgcc/97643
* config/rs6000/t-linux (IBM128_STATIC_OBJS): New make variable.
(IBM128_SHARED_OBJS): New make variable.
(IBM128_OBJS): New make variable. Set all objects to use the
explicit IBM format, and disable gnu attributes.
(IBM128_CFLAGS): New make variable.
(gcc_s_compile): Add -mno-gnu-attribute to all shared library
modules.
2020-12-03 Alexandre Oliva <oliva@adacore.com>
* config/t-vxworks (LIB2ADD): Drop.
* config/t-vxworks7 (LIB2ADD): Likewise.
* config/vxcache.c: Remove.
2020-11-30 Stefan Kanthak <stefan.kanthak@nexgo.de>
* libgcc2.c (bswapsi2): Make constants unsigned.

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2020-12-03 Martin Sebor <msebor@redhat.com>
* testsuite/ext/vstring/modifiers/clear/56166.cc: Suppress a false
positive warning.
2020-12-03 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/bit/bit.cast/bit_cast.cc: Remove stray
word from copy&paste.
* testsuite/26_numerics/bit/bit.cast/version.cc: Likewise.
2020-12-03 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2020.xml: Update C++20 status.
* doc/html/*: Regenerate.
2020-12-03 JeanHeyd Meneide <phdofthehouse@gmail.com>
* doc/doxygen/user.cfg.in (INPUT): Add <source_location>.
* include/Makefile.am: Add <source_location>.
* include/Makefile.in: Regenerate.
* include/std/version (__cpp_lib_source_location): Define.
* include/std/source_location: New file.
* testsuite/18_support/source_location/1.cc: New test.
* testsuite/18_support/source_location/consteval.cc: New test.
* testsuite/18_support/source_location/srcloc.h: New test.
* testsuite/18_support/source_location/version.cc: New test.
2020-12-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93121
* include/std/bit (__cpp_lib_bit_cast, bit_cast): Define.
* include/std/version (__cpp_lib_bit_cast): Define.
* testsuite/26_numerics/bit/bit.cast/bit_cast.cc: New test.
* testsuite/26_numerics/bit/bit.cast/version.cc: New test.
2020-12-03 Jonathan Wakely <jwakely@redhat.com>
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt:
Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt:
Update.
2020-12-03 Jonathan Wakely <jwakely@redhat.com>
* include/std/array (array::operator[](size_t) const, array::front() const)
(array::back() const) [__cplusplus == 201103]: Disable
assertions.
* testsuite/23_containers/array/element_access/constexpr_element_access.cc:
Check for correct values.
* testsuite/23_containers/array/tuple_interface/get_neg.cc:
Adjust dg-error line numbers.
* testsuite/23_containers/array/debug/constexpr_c++11.cc: New test.
2020-12-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/65480