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GCC Administrator 2021-08-05 00:17:03 +00:00
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204
gcc/ChangeLog
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2021-08-04 David Malcolm <dmalcolm@redhat.com>
PR analyzer/101570
* Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
2021-08-04 H.J. Lu <hjl.tools@gmail.com>
PR target/101742
* config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
2021-08-04 H.J. Lu <hjl.tools@gmail.com>
PR target/101772
* config/i386/i386-expand.c (ix86_expand_vector_move): Call
ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
data with SSE register from one memory location to another.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390.c (expand_perm_with_vpdi): New function.
(vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
* config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
parameterized expander.
(*vpdi4<mode>, @vpdi4<mode>): Likewise.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390.c (MAX_VECT_LEN): Define macro.
(struct expand_vec_perm_d): Define struct.
(expand_perm_with_merge): New function.
(vectorize_vec_perm_const_1): New function.
(s390_vectorize_vec_perm_const): New function.
(TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/vector.md (V_HW_64): Remove mode iterator.
(*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
* config/s390/vx-builtins.md
(vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
V_HW_64.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
definition.
* config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
definitions.
* config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
instead of an unspec.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390-modes.def: Add more vector modes to support
concatenation of two vectors.
* config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
prototype.
(s390_expand_merge): Likewise.
* config/s390/s390.c (s390_expand_merge_perm_const): New function.
(s390_expand_merge): New function.
* config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
Remove constant definitions.
* config/s390/vector.md (V_HW_2): Add mode iterators.
(VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
(vec_2x_nelts, vec_2x_wide): New mode attributes.
(*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
New pattern definitions.
(vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
(vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
(vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
(vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
vec merge.
* config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
in vector.md.
(vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
emit vec merge pattern.
2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
Define.
(aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
vec_select high-half from being added into Neon multiply
cost.
* rtlanal.c (vec_series_highpart_p): Define.
* rtlanal.h (vec_series_highpart_p): Declare.
2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
Define.
(aarch64_rtx_mult_cost): Traverse RTL tree to prevent
vec_select cost from being added into Neon multiply cost.
2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
* tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
which old_loop_vinfo is an epilogue loop that handles a constant
number of iterations.
2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
* tree-vect-loop.c (vect_analyze_loop): Print a dump message
when a reanalyzed loop fails to be cheaper than the current
main loop.
2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64.c: Fix a typo.
2021-08-04 Vincent Lefèvre <vincent-gcc@vinc17.net>
PR gcov-profile/101773
* gcov-io.c (gcov_close): Check return code of a fclose.
2021-08-04 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR ada/101575
* dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
.file statement when needed.
2021-08-04 Richard Biener <rguenther@suse.de>
* tree-vect-data-refs.c (vect_check_gather_scatter):
Include widening conversions only when the result is
still handed by native gather or the current offset
size not already matches the data size.
Also succeed analysis in case there's no native support,
noted by a IFN_LAST ifn and a NULL decl.
(vect_analyze_data_refs): Always consider gathers.
* tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
Test for no IFN gather rather than decl gather.
* tree-vect-stmts.c (vect_model_load_cost): Pass in the
gather-scatter info and cost emulated gathers accordingly.
(vect_truncate_gather_scatter_offset): Properly test for
no IFN gather.
(vect_use_strided_gather_scatters_p): Likewise.
(get_load_store_type): Handle emulated gathers and its
restrictions.
(vectorizable_load): Likewise. Emulate them by extracting
scalar offsets, doing scalar loads and a vector construct.
2021-08-04 H.J. Lu <hjl.tools@gmail.com>
PR target/101742
* expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
argument to set m_max_size.
(move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
(store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
(compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
Marc Glisse <marc.glisse@inria.fr>
* match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
(X*C1)^(X*C2) as X*(C1+C2), and related variants, using
tree_nonzero_bits to ensure that operands are bit-wise disjoint.
2021-08-04 Richard Biener <rguenther@suse.de>
* tree-ssa-forwprop.c (pass_forwprop::execute): Split
out code to decompose vector loads ...
(optimize_vector_load): ... here. Generalize it to
handle intermediate widening and TARGET_MEM_REF loads
and apply it to loads with a supported vector mode as well.
2021-08-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/101756
* tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
the result of the reduction epilogue is compatible to the original
scalar result.
2021-08-04 liuhongt <hongtao.liu@intel.com>
PR target/101743
* config/i386/i386.md (peephole2): Refine predicate from
register_operand to general_reg_operand.
2021-08-04 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-path.h (path_range_query::dump): Mark override.
2021-08-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/101769
* tree-tailcall.c (eliminate_tail_call): Add the created loop
for the first recursion and return it via the new output parameter.
(optimize_tail_call): Pass through new output param.
(tree_optimize_tail_calls_1): After creating all latches,
add the created loop to the loop tree. Do not mark loops for fixup.
2021-08-04 Martin Liska <mliska@suse.cz>
* doc/invoke.texi: Document threader-mode param.
2021-08-04 liuhongt <hongtao.liu@intel.com>
* config/i386/sse.md (cond_fma<mode>): New expander.
(cond_fms<mode>): Ditto.
(cond_fnma<mode>): Ditto.
(cond_fnms<mode>): Ditto.
2021-08-03 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.

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20210805

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gcc/analyzer/ChangeLog
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2021-08-04 David Malcolm <dmalcolm@redhat.com>
PR analyzer/101570
* analyzer.cc (maybe_reconstruct_from_def_stmt): Add GIMPLE_ASM
case.
* analyzer.h (class asm_output_svalue): New forward decl.
(class reachable_regions): New forward decl.
* complexity.cc (complexity::from_vec_svalue): New.
* complexity.h (complexity::from_vec_svalue): New decl.
* engine.cc (feasibility_state::maybe_update_for_edge): Handle
asm stmts by calling on_asm_stmt.
* region-model-asm.cc: New file.
* region-model-manager.cc
(region_model_manager::maybe_fold_asm_output_svalue): New.
(region_model_manager::get_or_create_asm_output_svalue): New.
(region_model_manager::log_stats): Log m_asm_output_values_map.
* region-model.cc (region_model::on_stmt_pre): Handle GIMPLE_ASM.
* region-model.h (visitor::visit_asm_output_svalue): New.
(region_model_manager::get_or_create_asm_output_svalue): New decl.
(region_model_manager::maybe_fold_asm_output_svalue): New decl.
(region_model_manager::asm_output_values_map_t): New typedef.
(region_model_manager::m_asm_output_values_map): New field.
(region_model::on_asm_stmt): New.
* store.cc (binding_cluster::on_asm): New.
* store.h (binding_cluster::on_asm): New decl.
* svalue.cc (svalue::cmp_ptr): Handle SK_ASM_OUTPUT.
(asm_output_svalue::dump_to_pp): New.
(asm_output_svalue::dump_input): New.
(asm_output_svalue::input_idx_to_asm_idx): New.
(asm_output_svalue::accept): New.
* svalue.h (enum svalue_kind): Add SK_ASM_OUTPUT.
(svalue::dyn_cast_asm_output_svalue): New.
(class asm_output_svalue): New.
(is_a_helper <const asm_output_svalue *>::test): New.
(struct default_hash_traits<asm_output_svalue::key_t>): New.
2021-08-03 Jakub Jelinek <jakub@redhat.com>
PR analyzer/101721

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2021-08-04 Jakub Jelinek <jakub@redhat.com>
PR c++/101759
* parser.c (cp_parser_default_argument): Temporarily override
parser->omp_declare_simd and parser->oacc_routine to NULL.
2021-08-02 Patrick Palka <ppalka@redhat.com>
PR c++/100828

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2021-08-04 David Malcolm <dmalcolm@redhat.com>
PR analyzer/101570
* gcc.dg/analyzer/asm-x86-1.c: New test.
* gcc.dg/analyzer/asm-x86-lp64-1.c: New test.
* gcc.dg/analyzer/asm-x86-lp64-2.c: New test.
* gcc.dg/analyzer/pr101570.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-array_index_mask_nospec.c:
New test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid-paravirt-1.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid-paravirt-2.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-rdmsr-paravirt.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-rdmsr.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-wfx_get_ps_timeout-full.c:
New test.
* gcc.dg/analyzer/torture/asm-x86-linux-wfx_get_ps_timeout-reduced.c:
New test.
2021-08-04 H.J. Lu <hjl.tools@gmail.com>
PR target/101742
* gcc.target/i386/pr101742a.c: New test.
* gcc.target/i386/pr101742b.c: Likewise.
2021-08-04 H.J. Lu <hjl.tools@gmail.com>
PR target/101772
* gcc.target/i386/eh_return-2.c: New test.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/vector/perm-vpdi.c: New test.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/vector/perm-merge.c: New test.
* gcc.target/s390/vector/vec-types.h: New test.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/zvector/vec-permi.c: Removed.
* gcc.target/s390/zvector/vec_permi.c: New test.
2021-08-04 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/vector/long-double-asm-in-out-hard-fp-reg.c:
Instead of vpdi with 0 and 5 vmrlg and vmrhg are used now.
* gcc.target/s390/vector/long-double-asm-inout-hard-fp-reg.c: Likewise.
* gcc.target/s390/zvector/vec-types.h: New test.
* gcc.target/s390/zvector/vec_merge.c: New test.
2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
* gcc.target/aarch64/vmul_high_cost.c: New test.
2021-08-04 Jonathan Wright <jonathan.wright@arm.com>
* gcc.target/aarch64/vmul_element_cost.c: New test.
2021-08-04 Richard Sandiford <richard.sandiford@arm.com>
* gcc.target/aarch64/sve/cost_model_12.c: New test.
2021-08-04 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/101750
* g++.dg/vect/pr99149.cc: Name class.
2021-08-04 Richard Biener <rguenther@suse.de>
* gcc.target/i386/vect-gather-1.c: New testcase.
* gfortran.dg/vect/vect-8.f90: Adjust.
2021-08-04 Roger Sayle <roger@nextmovesoftware.com>
Marc Glisse <marc.glisse@inria.fr>
* gcc.dg/fold-ior-4.c: New test.
2021-08-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/101756
* gcc.dg/vect/bb-slp-pr101756.c: New testcase.
2021-08-04 Jakub Jelinek <jakub@redhat.com>
PR c++/101759
* g++.dg/gomp/pr101759.C: New test.
* g++.dg/goacc/pr101759.C: New test.
2021-08-04 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/execute/ieee/pr29302-1.x: Undo doubly applied patch.
2021-08-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/101769
* g++.dg/tree-ssa/pr101769.C: New testcase.
2021-08-04 liuhongt <hongtao.liu@intel.com>
* gcc.target/i386/cond_op_addsubmul_d-2.c: Add
dg-require-effective-target for avx512.
* gcc.target/i386/cond_op_addsubmul_q-2.c: Ditto.
* gcc.target/i386/cond_op_addsubmul_w-2.c: Ditto.
* gcc.target/i386/cond_op_addsubmuldiv_double-2.c: Ditto.
* gcc.target/i386/cond_op_addsubmuldiv_float-2.c: Ditto.
* gcc.target/i386/cond_op_fma_double-2.c: Ditto.
* gcc.target/i386/cond_op_fma_float-2.c: Ditto.
2021-08-04 liuhongt <hongtao.liu@intel.com>
* gcc.target/i386/cond_op_fma_double-1.c: New test.
* gcc.target/i386/cond_op_fma_double-2.c: New test.
* gcc.target/i386/cond_op_fma_float-1.c: New test.
* gcc.target/i386/cond_op_fma_float-2.c: New test.
2021-08-03 Eugene Rozenfeld <erozen@microsoft.com>
* lib/profopt.exp: Pass gdwarf-4 when compiling test to profile; pass -gcov_version=2.

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2021-08-04 Jakub Jelinek <jakub@redhat.com>
* config/t-slibgcc-fuchsia: Undo doubly applied patch.
2021-07-15 Alan Modra <amodra@gmail.com>
* config/rs6000/morestack.S (R2_SAVE): Define.

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2021-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/forward_list.h: Add [[nodiscard]] to functions
with no side-effects.
* include/bits/stl_bvector.h: Likewise.
* include/bits/stl_deque.h: Likewise.
* include/bits/stl_list.h: Likewise.
* include/bits/stl_queue.h: Likewise.
* include/bits/stl_stack.h: Likewise.
* include/bits/stl_vector.h: Likewise.
* include/debug/deque: Likewise.
* include/debug/forward_list: Likewise.
* include/debug/list: Likewise.
* include/debug/safe_iterator.h: Likewise.
* include/debug/vector: Likewise.
* include/std/array: Likewise.
* testsuite/23_containers/array/creation/3_neg.cc: Use
-Wno-unused-result.
* testsuite/23_containers/array/debug/back1_neg.cc: Cast result
to void.
* testsuite/23_containers/array/debug/back2_neg.cc: Likewise.
* testsuite/23_containers/array/debug/front1_neg.cc: Likewise.
* testsuite/23_containers/array/debug/front2_neg.cc: Likewise.
* testsuite/23_containers/array/debug/square_brackets_operator1_neg.cc:
Likewise.
* testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc:
Likewise.
* testsuite/23_containers/array/tuple_interface/get_neg.cc:
Adjust dg-error line numbers.
* testsuite/23_containers/deque/cons/clear_allocator.cc: Cast
result to void.
* testsuite/23_containers/deque/debug/invalidation/4.cc:
Likewise.
* testsuite/23_containers/deque/types/1.cc: Use
-Wno-unused-result.
* testsuite/23_containers/list/types/1.cc: Cast result to void.
* testsuite/23_containers/priority_queue/members/7161.cc:
Likewise.
* testsuite/23_containers/queue/members/7157.cc: Likewise.
* testsuite/23_containers/vector/59829.cc: Likewise.
* testsuite/23_containers/vector/ext_pointer/types/1.cc:
Likewise.
* testsuite/23_containers/vector/ext_pointer/types/2.cc:
Likewise.
* testsuite/23_containers/vector/types/1.cc: Use
-Wno-unused-result.
2021-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (iter_move): Add
[[nodiscard]].
* include/bits/range_access.h (begin, end, cbegin, cend)
(rbegin, rend, crbegin, crend, size, data, ssize): Likewise.
* include/bits/ranges_base.h (ranges::begin, ranges::end)
(ranges::cbegin, ranges::cend, ranges::rbegin, ranges::rend)
(ranges::crbegin, ranges::crend, ranges::size, ranges::ssize)
(ranges::empty, ranges::data, ranges::cdata): Likewise.
* include/bits/stl_iterator.h (reverse_iterator, __normal_iterator)
(back_insert_iterator, front_insert_iterator, insert_iterator)
(move_iterator, move_sentinel, common_iterator)
(counted_iterator): Likewise.
* include/bits/stl_iterator_base_funcs.h (distance, next, prev):
Likewise.
* include/bits/stream_iterator.h (istream_iterator)
(ostream_iterartor): Likewise.
* include/bits/streambuf_iterator.h (istreambuf_iterator)
(ostreambuf_iterator): Likewise.
* include/std/ranges (views::single, views::iota, views::all)
(views::filter, views::transform, views::take, views::take_while)
(views::drop, views::drop_while, views::join, views::lazy_split)
(views::split, views::counted, views::common, views::reverse)
(views::elements): Likewise.
* testsuite/20_util/rel_ops.cc: Use -Wno-unused-result.
* testsuite/24_iterators/move_iterator/greedy_ops.cc: Likewise.
* testsuite/24_iterators/normal_iterator/greedy_ops.cc:
Likewise.
* testsuite/24_iterators/reverse_iterator/2.cc: Likewise.
* testsuite/24_iterators/reverse_iterator/greedy_ops.cc:
Likewise.
* testsuite/21_strings/basic_string/range_access/char/1.cc:
Cast result to void.
* testsuite/21_strings/basic_string/range_access/wchar_t/1.cc:
Likewise.
* testsuite/21_strings/basic_string_view/range_access/char/1.cc:
Likewise.
* testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
Likewise.
* testsuite/23_containers/array/range_access.cc: Likewise.
* testsuite/23_containers/deque/range_access.cc: Likewise.
* testsuite/23_containers/forward_list/range_access.cc:
Likewise.
* testsuite/23_containers/list/range_access.cc: Likewise.
* testsuite/23_containers/map/range_access.cc: Likewise.
* testsuite/23_containers/multimap/range_access.cc: Likewise.
* testsuite/23_containers/multiset/range_access.cc: Likewise.
* testsuite/23_containers/set/range_access.cc: Likewise.
* testsuite/23_containers/unordered_map/range_access.cc:
Likewise.
* testsuite/23_containers/unordered_multimap/range_access.cc:
Likewise.
* testsuite/23_containers/unordered_multiset/range_access.cc:
Likewise.
* testsuite/23_containers/unordered_set/range_access.cc:
Likewise.
* testsuite/23_containers/vector/range_access.cc: Likewise.
* testsuite/24_iterators/customization_points/iter_move.cc:
Likewise.
* testsuite/24_iterators/istream_iterator/sentinel.cc:
Likewise.
* testsuite/24_iterators/istreambuf_iterator/sentinel.cc:
Likewise.
* testsuite/24_iterators/move_iterator/dr2061.cc: Likewise.
* testsuite/24_iterators/operations/prev_neg.cc: Likewise.
* testsuite/24_iterators/ostreambuf_iterator/2.cc: Likewise.
* testsuite/24_iterators/range_access/range_access.cc:
Likewise.
* testsuite/24_iterators/range_operations/100768.cc: Likewise.
* testsuite/26_numerics/valarray/range_access2.cc: Likewise.
* testsuite/28_regex/range_access.cc: Likewise.
* testsuite/experimental/string_view/range_access/char/1.cc:
Likewise.
* testsuite/experimental/string_view/range_access/wchar_t/1.cc:
Likewise.
* testsuite/ext/vstring/range_access.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/p2259.cc: Likewise.
2021-08-03 Jonathan Wakely <jwakely@redhat.com>
* include/bits/random.tcc (linear_congruential_engine): Do not