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GCC Administrator 2021-09-14 00:16:23 +00:00
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9
contrib/ChangeLog
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2021-09-13 Andrew Pinski <apinski@marvell.com>
* config-list.mk: Remove m32r-linux and m32rle-linux
from the list.
2021-09-13 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* config-list.mk (LIST): --enable-obsolete for cr16-elf.
2021-09-06 Serge Belyshev <belyshev@depni.sinp.msu.ru>
* gcc_update: Derive human readable name for HEAD using git describe

228
gcc/ChangeLog
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2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
PR bootstrap/101574
* diagnostic-spec.c (warning_suppressed_at, copy_warning): Handle
'RESERVED_LOCATION_P' locations.
* warning-control.cc (get_nowarn_spec, suppress_warning)
(copy_warning): Likewise.
2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
* diagnostic-spec.h (typedef xint_hash_t): Use 'location_t' instead of...
(typedef key_type_t): ... this. Remove.
(nowarn_map): Document.
* diagnostic-spec.c (nowarn_map): Likewise.
* warning-control.cc (convert_to_key): Evolve functions into...
(get_location): ... these. Adjust all users.
2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
* warning-control.cc (copy_warning): Remove 'nowarn_map' setup.
2021-09-13 Jason Merrill <jason@redhat.com>
* params.opt: Add destructive-interference-size and
constructive-interference-size.
* doc/invoke.texi: Document them.
* config/aarch64/aarch64.c (aarch64_override_options_internal):
Set them.
* config/arm/arm.c (arm_option_override): Set them.
* config/i386/i386-options.c (ix86_option_override_internal):
Set them.
2021-09-13 Martin Liska <mliska@suse.cz>
H.J. Lu <hjl.tools@gmail.com>
PR target/101696
* common/config/i386/cpuinfo.h (cpu_indicator_init): Add support
for x86-64 micro levels for __builtin_cpu_supports.
* common/config/i386/i386-cpuinfo.h (enum feature_priority):
Add priorities for the micro-arch levels.
(enum processor_features): Add new features.
* common/config/i386/i386-isas.h: Add micro-arch features.
* config/i386/i386-builtins.c (get_builtin_code_for_version):
Support the micro-arch levels by callsing
__builtin_cpu_supports.
* doc/extend.texi: Document that the levels are support by
__builtin_cpu_supports.
2021-09-13 Andrew Pinski <apinski@marvell.com>
PR target/95969
* config/aarch64/aarch64-builtins.c (aarch64_fold_builtin_lane_check):
New function.
(aarch64_general_fold_builtin): Handle AARCH64_SIMD_BUILTIN_LANE_CHECK.
(aarch64_general_gimple_fold_builtin): Likewise.
2021-09-13 Andrew Pinski <apinski@marvell.com>
* config.gcc: Add m32r-*-linux* and m32rle-*-linux*
to the Unsupported targets list.
Remove support for m32r-*-linux* and m32rle-*-linux*.
* config/m32r/linux.h: Removed.
* config/m32r/t-linux: Removed.
2021-09-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/102252
* config/aarch64/aarch64.c (aarch64_classify_address): Don't allow
register index for SVE predicate modes.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c
(back_threader_profitability::profitable_path_p): Remove FSM
references.
(back_threader_registry::register_path): Same.
* tree-ssa-threadedge.c
(jump_threader::simplify_control_stmt_condition): Same.
* tree-ssa-threadupdate.c (jt_path_registry::jt_path_registry):
Add backedge_threads argument.
(fwd_jt_path_registry::fwd_jt_path_registry): Pass
backedge_threads argument.
(back_jt_path_registry::back_jt_path_registry): Same.
(dump_jump_thread_path): Adjust for FSM removal.
(back_jt_path_registry::rewire_first_differing_edge): Same.
(back_jt_path_registry::adjust_paths_after_duplication): Same.
(back_jt_path_registry::update_cfg): Same.
(jt_path_registry::register_jump_thread): Same.
* tree-ssa-threadupdate.h (enum jump_thread_edge_type): Remove
EDGE_FSM_THREAD.
(class back_jt_path_registry): Add backedge_threads to
constructor.
2021-09-13 Martin Liska <mliska@suse.cz>
PR c++/101331
* asan.h (sanitize_coverage_p): Handle when fn == NULL.
2021-09-13 H.J. Lu <hjl.tools@gmail.com>
PR target/101935
* config/i386/i386.h (TARGET_AVX256_MOVE_BY_PIECES): New.
(TARGET_AVX256_STORE_BY_PIECES): Likewise.
(MOVE_MAX): Check TARGET_AVX256_MOVE_BY_PIECES and
TARGET_AVX256_STORE_BY_PIECES instead of
TARGET_AVX256_SPLIT_UNALIGNED_LOAD and
TARGET_AVX256_SPLIT_UNALIGNED_STORE.
(STORE_MAX_PIECES): Check TARGET_AVX256_STORE_BY_PIECES instead
of TARGET_AVX256_SPLIT_UNALIGNED_STORE.
* config/i386/x86-tune.def (X86_TUNE_AVX256_MOVE_BY_PIECES): New.
(X86_TUNE_AVX256_STORE_BY_PIECES): Likewise.
2021-09-13 liuhongt <hongtao.liu@intel.com>
PR bootstrap/102302
* expmed.c (extract_bit_field_using_extv): Use
gen_lowpart_if_possible instead of gen_lowpart to avoid ICE.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* Makefile.in (OBJS): Add value-pointer-equiv.o.
* gimple-ssa-evrp.c (class ssa_equiv_stack): Move to
value-pointer-equiv.*.
(ssa_equiv_stack::ssa_equiv_stack): Same.
(ssa_equiv_stack::enter): Same.
(ssa_equiv_stack::leave): Same.
(ssa_equiv_stack::push_replacement): Same.
(ssa_equiv_stack::get_replacement): Same.
(is_pointer_ssa): Same.
(class pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::~pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::set_global_equiv): Same.
(pointer_equiv_analyzer::set_cond_equiv): Same.
(pointer_equiv_analyzer::get_equiv): Same.
(pointer_equiv_analyzer::enter): Same.
(pointer_equiv_analyzer::leave): Same.
(pointer_equiv_analyzer::get_equiv_expr): Same.
(pta_valueize): Same.
(pointer_equiv_analyzer::visit_stmt): Same.
(pointer_equiv_analyzer::visit_edge): Same.
(hybrid_folder::value_of_expr): Same.
(hybrid_folder::value_on_edge): Same.
* value-pointer-equiv.cc: New file.
* value-pointer-equiv.h: New file.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* gimple-fold.c (gimple_fold_builtin_memory_op): Allow folding
memcpy if the size is not more than MOVE_MAX * MOVE_RATIO.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* config/arm/arm.md (movmisaligndi): New define_expand.
* config/arm/vec-common.md (movmisalign<mode>): Iterate over VDQ mode.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* emit-rtl.c (gen_highpart): Use adjust_address to handle
MEM rather than calling simplify_gen_subreg.
2021-09-13 Jan-Benedict Glaw <jbglaw@ług-owl.de>
* config/alpha/vms.h (INIT_CUMULATIVE_ARGS): Wrap multi-statment
define into a block.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/darwin.h (DARWIN_PREFER_DWARF): Do not define.
* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Do not
change based on DARWIN_PREFER_DWARF not being defined.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/i386/lynx.h: Remove undef of PREFERRED_DEBUGGING_TYPE
to inherit from elfos.h
2021-09-13 Richard Biener <rguenther@suse.de>
* config.gcc: Add cr16-*-* to the list of obsoleted targets.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/avr/elf.h (PREFERRED_DEBUGGING_TYPE): Remove
override, pick up DWARF2_DEBUG define from elfos.h
2021-09-13 Richard Biener <rguenther@suse.de>
* config/rx/rx.h (PREFERRED_DEBUGGING_TYPE): Always define to
DWARF2_DEBUG.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/alpha/vms.h (PREFERRED_DEBUGGING_TYPE): Define to
DWARF2_DEBUG.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/i386/cygming.h: Always default to DWARF2 debugging.
Do not define DBX_DEBUGGING_INFO, that's done via dbxcoff.h
already.
* doc/install.texi: Document binutils 2.16 as minimum
requirement for mingw.
2021-09-13 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (struct rs6000_cost_data): New members
nstmts, nloads and extra_ctor_cost.
(rs6000_density_test): Add load density related heuristics. Do
extra costing on vector construction statements if need.
(rs6000_init_cost): Init new members.
(rs6000_update_target_cost_per_stmt): New function.
(rs6000_add_stmt_cost): Factor vect_nonmem hunk out to function
rs6000_update_target_cost_per_stmt and call it.
2021-09-13 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (struct rs6000_cost_data): Remove typedef.
(rs6000_init_cost): Adjust.
2021-09-13 liuhongt <hongtao.liu@intel.com>
* config/i386/i386.md: (UNSPEC_COPYSIGN): Remove.
(UNSPEC_XORSIGN): Ditto.
2021-09-12 Roger Sayle <roger@nextmovesoftware.com>
* expr.c (convert_move): Preserve SUBREG_PROMOTED_VAR_P when

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gcc/DATESTAMP
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20210913
20210914

6
gcc/c-family/ChangeLog
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2021-09-13 Jason Merrill <jason@redhat.com>
* c.opt: Add -Winterference-size.
* c-cppbuiltin.c (cpp_atomic_builtins): Add __GCC_DESTRUCTIVE_SIZE
and __GCC_CONSTRUCTIVE_SIZE.
2021-09-10 Jakub Jelinek <jakub@redhat.com>
* c-common.h (c_finish_omp_atomic): Add r and weak arguments.

25
gcc/cp/ChangeLog
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2021-09-13 Jason Merrill <jason@redhat.com>
* constexpr.c (maybe_warn_about_constant_value):
Complain about std::hardware_destructive_interference_size.
(cxx_eval_constant_expression): Call it.
* decl.c (cxx_init_decl_processing): Check
--param *-interference-size values.
2021-09-13 Patrick Palka <ppalka@redhat.com>
PR c++/101764
* cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
macro.
* pt.c (has_extra_args_mechanism_p): New function.
(find_parameter_pack_data::found_extra_args_tree_p): New data
member.
(find_parameter_packs_r): Set ppd->found_extra_args_tree_p
appropriately.
(make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
ppd.found_extra_args_tree_p.
(use_pack_expansion_extra_args_p): Return true if there were
unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
(tsubst_pack_expansion): Pass the pack expansion to
use_pack_expansion_extra_args_p.
2021-09-10 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write

13
gcc/fortran/ChangeLog
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2021-09-13 Harald Anlauf <anlauf@gmx.de>
PR fortran/82314
* decl.c (add_init_expr_to_sym): For proper initialization of
array-valued named constants the array bounds need to be
simplified before adding the initializer.
2021-09-13 Harald Anlauf <anlauf@gmx.de>
PR fortran/85130
* expr.c (find_substring_ref): Handle given substring start and
end indices as signed integers, not unsigned.
2021-09-09 Harald Anlauf <anlauf@gmx.de>
PR fortran/98490

101
gcc/testsuite/ChangeLog
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@ -1,3 +1,104 @@
2021-09-13 Harald Anlauf <anlauf@gmx.de>
PR fortran/82314
* gfortran.dg/pr82314.f90: New test.
2021-09-13 Harald Anlauf <anlauf@gmx.de>
PR fortran/85130
* gfortran.dg/substr_6.f90: Revert commit r8-7574, adding again
test that was erroneously considered as illegal.
2021-09-13 Jason Merrill <jason@redhat.com>
* g++.dg/warn/Winterference.H: New file.
* g++.dg/warn/Winterference.C: New test.
* g++.target/aarch64/interference.C: New test.
* g++.target/arm/interference.C: New test.
* g++.target/i386/interference.C: New test.
* g++.dg/warn/Winterference-2.C: New file.
2021-09-13 Martin Liska <mliska@suse.cz>
H.J. Lu <hjl.tools@gmail.com>
PR target/101696
* g++.target/i386/mv30.C: New test.
* gcc.target/i386/mvc16.c: New test.
* gcc.target/i386/builtin_target.c (CHECK___builtin_cpu_supports):
New.
2021-09-13 Andrew Pinski <apinski@marvell.com>
PR target/95969
* gcc.target/aarch64/lane-bound-1.c: New test.
* gcc.target/aarch64/lane-bound-2.c: New test.
2021-09-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/102252
* g++.target/aarch64/sve/pr102252.C: New test.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/tree-ssa/pr21417.c: Adjust for FSM removal.
* gcc.dg/tree-ssa/pr66752-3.c: Same.
* gcc.dg/tree-ssa/pr68198.c: Same.
* gcc.dg/tree-ssa/pr69196-1.c: Same.
* gcc.dg/tree-ssa/pr70232.c: Same.
* gcc.dg/tree-ssa/pr77445.c: Same.
* gcc.dg/tree-ssa/ranger-threader-4.c: Same.
* gcc.dg/tree-ssa/ssa-dom-thread-18.c: Same.
* gcc.dg/tree-ssa/ssa-dom-thread-6.c: Same.
* gcc.dg/tree-ssa/ssa-thread-12.c: Same.
* gcc.dg/tree-ssa/ssa-thread-13.c: Same.
2021-09-13 Patrick Palka <ppalka@redhat.com>
PR c++/101764
* g++.dg/cpp1z/constexpr-if35.C: New test.
2021-09-13 Martin Liska <mliska@suse.cz>
PR c++/101331
* g++.dg/pr101331.C: New test.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Adjust for aarch64.
2021-09-13 H.J. Lu <hjl.tools@gmail.com>
PR target/101935
* g++.target/i386/pr80566-1.C: Add
-mtune-ctrl=avx256_store_by_pieces.
* gcc.target/i386/pr100865-4a.c: Likewise.
* gcc.target/i386/pr100865-10a.c: Likewise.
* gcc.target/i386/pr90773-20.c: Likewise.
* gcc.target/i386/pr90773-21.c: Likewise.
* gcc.target/i386/pr90773-22.c: Likewise.
* gcc.target/i386/pr90773-23.c: Likewise.
* g++.target/i386/pr80566-2.C: Add
-mtune-ctrl=avx256_move_by_pieces.
* gcc.target/i386/eh_return-1.c: Likewise.
* gcc.target/i386/pr90773-26.c: Likewise.
* gcc.target/i386/pieces-memcpy-12.c: Replace -mtune=haswell
with -mtune-ctrl=avx256_move_by_pieces.
* gcc.target/i386/pieces-memcpy-15.c: Likewise.
* gcc.target/i386/pieces-memset-2.c: Replace -mtune=haswell
with -mtune-ctrl=avx256_store_by_pieces.
* gcc.target/i386/pieces-memset-5.c: Likewise.
* gcc.target/i386/pieces-memset-11.c: Likewise.
* gcc.target/i386/pieces-memset-14.c: Likewise.
* gcc.target/i386/pieces-memset-20.c: Likewise.
* gcc.target/i386/pieces-memset-23.c: Likewise.
* gcc.target/i386/pieces-memset-29.c: Likewise.
* gcc.target/i386/pieces-memset-30.c: Likewise.
* gcc.target/i386/pieces-memset-33.c: Likewise.
* gcc.target/i386/pieces-memset-34.c: Likewise.
* gcc.target/i386/pieces-memset-44.c: Likewise.
* gcc.target/i386/pieces-memset-37.c: Replace -mtune=generic
with -mtune-ctrl=avx256_store_by_pieces.
2021-09-12 Iain Buclaw <ibuclaw@gdcproject.org>
PR d/102185

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libgcc/ChangeLog
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2021-09-13 Andrew Pinski <apinski@marvell.com>
* config.host: Remove m32r-*-linux* and m32rle-*-linux*.
* config/m32r/libgcc-glibc.ver: Removed.
* config/m32r/t-linux: Removed.
2021-09-08 liuhongt <hongtao.liu@intel.com>
* config/i386/t-softfp: Compile __{mul,div}hc3 into

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libgfortran/ChangeLog
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2021-09-13 Andreas Schwab <schwab@linux-m68k.org>
* ISO_Fortran_binding.h (CFI_type_long_double)
(CFI_type_long_double_Complex) [LDBL_MANT_DIG == 64 &&
LDBL_MIN_EXP == -16382 && LDBL_MAX_EXP == 16384]: Define.
2021-09-07 Tobias Burnus <tobias@codesourcery.com>
* Makefile.am (gfor_built_src): Depend on

5
libstdc++-v3/ChangeLog
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2021-09-13 Jason Merrill <jason@redhat.com>
* include/std/version: Define __cpp_lib_hardware_interference_size.
* libsupc++/new: Define hardware interference size variables.
2021-09-10 Jonathan Wakely <jwakely@redhat.com>
* testsuite/experimental/net/internet/resolver/ops/lookup.cc:

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lto-plugin/ChangeLog
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2021-09-13 Andrew Pinski <apinski@marvell.com>
PR lto/49664
* Makefile.am: Export only onload.
* Makefile.in: Regenerate.
2021-06-25 Richard Biener <rguenther@suse.de>
* lto-plugin.c (ltrans_objects): New global.