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GCC Administrator 2020-08-06 00:16:26 +00:00
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215
gcc/ChangeLog
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2020-08-05 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/95906
PR target/70314
* match.pd ((c ? a : b) op d, (c ? a : b) op (c ? d : e),
(v ? w : 0) ? a : b, c1 ? c2 ? a : b : b): New transformations.
(op (c ? a : b)): Update to match the new transformations.
2020-08-05 Richard Sandiford <richard.sandiford@arm.com>
PR target/96191
* config/aarch64/aarch64.md (stack_protect_test_<mode>): Set the
CC register directly, instead of a GPR. Replace the original GPR
destination with an extra scratch register. Zero out operand 3
after use.
(stack_protect_test): Update accordingly.
2020-08-05 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64.md (load_pair_sw_<SX:mode><SX2:mode>)
(load_pair_dw_<DX:mode><DX2:mode>, load_pair_dw_tftf)
(store_pair_sw_<SX:mode><SX2:mode>)
(store_pair_dw_<DX:mode><DX2:mode>, store_pair_dw_tftf)
(*load_pair_extendsidi2_aarch64)
(*load_pair_zero_extendsidi2_aarch64): Use %z for the memory operand.
* config/aarch64/aarch64-simd.md (load_pair<DREG:mode><DREG2:mode>)
(vec_store_pair<DREG:mode><DREG2:mode>, load_pair<VQ:mode><VQ2:mode>)
(vec_store_pair<VQ:mode><VQ2:mode>): Likewise.
2020-08-05 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-im.c (invariantness_dom_walker): Remove.
(invariantness_dom_walker::before_dom_children): Move to ...
(compute_invariantness): ... this function.
(move_computations): Inline ...
(tree_ssa_lim): ... here, share RPO order and avoid some
cfun references.
(analyze_memory_references): Remove sorting of location
lists, instead assert they are sorted already when checking.
(prev_flag_edges): Remove.
(execute_sm_if_changed): Pass down and adjust prev edge state.
(execute_sm_exit): Likewise.
(hoist_memory_references): Likewise. Commit edge insertions
of each processed exit.
(store_motion_loop): Do not commit edge insertions on all
edges in the function.
(tree_ssa_lim_initialize): Do not call alloc_aux_for_edges.
(tree_ssa_lim_finalize): Do not call free_aux_for_edges.
2020-08-05 Richard Biener <rguenther@suse.de>
* genmatch.c (fail_label): New global.
(expr::gen_transform): Branch to fail_label instead of
returning. Fix indent of call argument checking.
(dt_simplify::gen_1): Compute and emit fail_label, branch
to it instead of returning early.
2020-08-05 Jakub Jelinek <jakub@redhat.com>
* omp-expand.c (expand_omp_for): Don't disallow combined non-rectangular
loops.
2020-08-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/96459
* omp-low.c (lower_omp_taskreg): Call lower_reduction_clauses even in
for host teams.
2020-08-05 Jakub Jelinek <jakub@redhat.com>
* omp-expand.c (expand_omp_for_init_counts): Remember
first_inner_iterations, factor and n1o from the number of iterations
computation in *fd.
(expand_omp_for_init_vars): Use more efficient logical iteration number
to actual iterator values computation even for non-rectangular loops
where number of loop iterations could not be computed at compile time.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h (vec_blendv, vec_permx): Add define.
* config/rs6000/altivec.md (UNSPEC_XXBLEND, UNSPEC_XXPERMX.): New
unspecs.
(VM3): New define_mode.
(VM3_char): New define_attr.
(xxblend_<mode> mode VM3): New define_insn.
(xxpermx): New define_expand.
(xxpermx_inst): New define_insn.
* config/rs6000/rs6000-builtin.def (VXXBLEND_V16QI, VXXBLEND_V8HI,
VXXBLEND_V4SI, VXXBLEND_V2DI, VXXBLEND_V4SF, VXXBLEND_V2DF): New
BU_P10V_3 definitions.
(XXBLEND): New BU_P10_OVERLOAD_3 definition.
(XXPERMX): New BU_P10_OVERLOAD_4 definition.
* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
(P10_BUILTIN_VXXPERMX): Add if statement.
* config/rs6000/rs6000-call.c (P10_BUILTIN_VXXBLEND_V16QI,
P10_BUILTIN_VXXBLEND_V8HI, P10_BUILTIN_VXXBLEND_V4SI,
P10_BUILTIN_VXXBLEND_V2DI, P10_BUILTIN_VXXBLEND_V4SF,
P10_BUILTIN_VXXBLEND_V2DF, P10_BUILTIN_VXXPERMX): Define
overloaded arguments.
(rs6000_expand_quaternop_builtin): Add if case for CODE_FOR_xxpermx.
(builtin_quaternary_function_type): Add v16uqi_type and xxpermx_type
variables, add case statement for P10_BUILTIN_VXXPERMX.
(builtin_function_type): Add case statements for
P10_BUILTIN_VXXBLEND_V16QI, P10_BUILTIN_VXXBLEND_V8HI,
P10_BUILTIN_VXXBLEND_V4SI, P10_BUILTIN_VXXBLEND_V2DI.
* doc/extend.texi: Add documentation for vec_blendv and vec_permx.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h (vec_splati, vec_splatid, vec_splati_ins):
Add defines.
* config/rs6000/altivec.md (UNSPEC_XXSPLTIW, UNSPEC_XXSPLTID,
UNSPEC_XXSPLTI32DX): New.
(vxxspltiw_v4si, vxxspltiw_v4sf_inst, vxxspltidp_v2df_inst,
vxxsplti32dx_v4si_inst, vxxsplti32dx_v4sf_inst): New define_insn.
(vxxspltiw_v4sf, vxxspltidp_v2df, vxxsplti32dx_v4si,
vxxsplti32dx_v4sf.): New define_expands.
* config/rs6000/predicates.md (u1bit_cint_operand,
s32bit_cint_operand, c32bit_cint_operand): New predicates.
* config/rs6000/rs6000-builtin.def (VXXSPLTIW_V4SI, VXXSPLTIW_V4SF,
VXXSPLTID): New definitions.
(VXXSPLTI32DX_V4SI, VXXSPLTI32DX_V4SF): New BU_P10V_3
definitions.
(XXSPLTIW, XXSPLTID): New definitions.
(XXSPLTI32DX): Add definitions.
* config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_XXSPLTIW,
P10_BUILTIN_VEC_XXSPLTID, P10_BUILTIN_VEC_XXSPLTI32DX):
New definitions.
* config/rs6000/rs6000-protos.h (rs6000_constF32toI32): New extern
declaration.
* config/rs6000/rs6000.c (rs6000_constF32toI32): New function.
* doc/extend.texi: Add documentation for vec_splati,
vec_splatid, and vec_splati_ins.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h (vec_sldb, vec_srdb): New defines.
* config/rs6000/altivec.md (UNSPEC_SLDB, UNSPEC_SRDB): New.
(SLDB_lr): New attribute.
(VSHIFT_DBL_LR): New iterator.
(vs<SLDB_lr>db_<mode>): New define_insn.
* config/rs6000/rs6000-builtin.def (VSLDB_V16QI, VSLDB_V8HI,
VSLDB_V4SI, VSLDB_V2DI, VSRDB_V16QI, VSRDB_V8HI, VSRDB_V4SI,
VSRDB_V2DI): New BU_P10V_3 definitions.
(SLDB, SRDB): New BU_P10_OVERLOAD_3 definitions.
* config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_SLDB,
P10_BUILTIN_VEC_SRDB): New definitions.
(rs6000_expand_ternop_builtin) [CODE_FOR_vsldb_v16qi,
CODE_FOR_vsldb_v8hi, CODE_FOR_vsldb_v4si, CODE_FOR_vsldb_v2di,
CODE_FOR_vsrdb_v16qi, CODE_FOR_vsrdb_v8hi, CODE_FOR_vsrdb_v4si,
CODE_FOR_vsrdb_v2di]: Add clauses.
* doc/extend.texi: Add description for vec_sldb and vec_srdb.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h: Add define for vec_replace_elt and
vec_replace_unaligned.
* config/rs6000/vsx.md (UNSPEC_REPLACE_ELT, UNSPEC_REPLACE_UN): New
unspecs.
(REPLACE_ELT): New mode iterator.
(REPLACE_ELT_char, REPLACE_ELT_sh, REPLACE_ELT_max): New mode attributes.
(vreplace_un_<mode>, vreplace_elt_<mode>_inst): New.
* config/rs6000/rs6000-builtin.def (VREPLACE_ELT_V4SI,
VREPLACE_ELT_UV4SI, VREPLACE_ELT_V4SF, VREPLACE_ELT_UV2DI,
VREPLACE_ELT_V2DF, VREPLACE_UN_V4SI, VREPLACE_UN_UV4SI,
VREPLACE_UN_V4SF, VREPLACE_UN_V2DI, VREPLACE_UN_UV2DI,
VREPLACE_UN_V2DF, (REPLACE_ELT, REPLACE_UN, VREPLACE_ELT_V2DI): New builtin
entries.
* config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_REPLACE_ELT,
P10_BUILTIN_VEC_REPLACE_UN): New builtin argument definitions.
(rs6000_expand_quaternop_builtin): Add 3rd argument checks for
CODE_FOR_vreplace_elt_v4si, CODE_FOR_vreplace_elt_v4sf,
CODE_FOR_vreplace_un_v4si, CODE_FOR_vreplace_un_v4sf.
(builtin_function_type) [P10_BUILTIN_VREPLACE_ELT_UV4SI,
P10_BUILTIN_VREPLACE_ELT_UV2DI, P10_BUILTIN_VREPLACE_UN_UV4SI,
P10_BUILTIN_VREPLACE_UN_UV2DI]: New cases.
* doc/extend.texi: Add description for vec_replace_elt and
vec_replace_unaligned builtins.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.h (vec_insertl, vec_inserth): New defines.
* config/rs6000/rs6000-builtin.def (VINSERTGPRBL, VINSERTGPRHL,
VINSERTGPRWL, VINSERTGPRDL, VINSERTVPRBL, VINSERTVPRHL, VINSERTVPRWL,
VINSERTGPRBR, VINSERTGPRHR, VINSERTGPRWR, VINSERTGPRDR, VINSERTVPRBR,
VINSERTVPRHR, VINSERTVPRWR): New builtins.
(INSERTL, INSERTH): New builtins.
* config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_INSERTL,
P10_BUILTIN_VEC_INSERTH): New overloaded definitions.
(P10_BUILTIN_VINSERTGPRBL, P10_BUILTIN_VINSERTGPRHL,
P10_BUILTIN_VINSERTGPRWL, P10_BUILTIN_VINSERTGPRDL,
P10_BUILTIN_VINSERTVPRBL, P10_BUILTIN_VINSERTVPRHL,
P10_BUILTIN_VINSERTVPRWL): Add case entries.
* config/rs6000/vsx.md (define_c_enum): Add UNSPEC_INSERTL,
UNSPEC_INSERTR.
(define_expand): Add vinsertvl_<mode>, vinsertvr_<mode>,
vinsertgl_<mode>, vinsertgr_<mode>, mode is VI2.
(define_ins): vinsertvl_internal_<mode>, vinsertvr_internal_<mode>,
vinsertgl_internal_<mode>, vinsertgr_internal_<mode>, mode VEC_I.
* doc/extend.texi: Add documentation for vec_insertl, vec_inserth.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* config/rs6000/altivec.md: (UNSPEC_EXTRACTL, UNSPEC_EXTRACTR)
(vextractl<mode>, vextractr<mode>)
(vextractl<mode>_internal, vextractr<mode>_internal for mode VI2)
(VI2): Move to ...
* config/rs6000/vsx.md: (UNSPEC_EXTRACTL, UNSPEC_EXTRACTR)
(vextractl<mode>, vextractr<mode>)
(vextractl<mode>_internal, vextractr<mode>_internal for mode VI2)
(VI2): ..here.
* doc/extend.texi: Update documentation for vec_extractl.
Replace builtin name vec_extractr with vec_extracth. Update
description of vec_extracth.
2020-08-04 Jim Wilson <jimw@sifive.com>
* doc/invoke.texi (AArch64 Options): Delete duplicate

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20200805
20200806

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2020-08-05 Patrick Palka <ppalka@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/96282
* constexpr.c (cxx_eval_vec_init_1): Truncate ctx->ctor and
then clear CONSTRUCTOR_NO_CLEARING on each appended element
initializer if we're initializing a previously zero-initialized
array object.
2020-08-04 Marek Polacek <polacek@redhat.com>
PR c++/96082

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2020-08-05 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/96469
* frontend-passes.c (doloop_contained_function_call): New
function.
(doloop_contained_procedure_code): New function.
(CHECK_INQ): Macro for inquire checks.
(doloop_code): Invoke doloop_contained_procedure_code and
doloop_contained_function_call if appropriate.
(do_intent): Likewise.
2020-08-04 Tobias Burnus <tobias@codesourcery.com>
* openmp.c (resolve_omp_do): Detect not perfectly

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2020-08-05 Patrick Palka <ppalka@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/96282
* g++.dg/cpp0x/constexpr-array26.C: New test.
* g++.dg/cpp0x/constexpr-array27.C: New test.
* g++.dg/cpp2a/constexpr-init18.C: New test.
2020-08-05 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/96469
* gfortran.dg/do_check_14.f90: New test.
2020-08-05 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/96469
* gfortran.dg/do_check_4.f90: Hide change in index variable
from compile-time analysis.
* gfortran.dg/do_check_13.f90: New test.
2020-08-05 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/95906
PR target/70314
* gcc.dg/tree-ssa/andnot-2.c: New file.
* gcc.dg/tree-ssa/pr95906.c: Likewise.
* gcc.target/i386/pr70314.c: Likewise.
2020-08-05 Richard Sandiford <richard.sandiford@arm.com>
PR target/96191
* gcc.target/aarch64/stack-protector-1.c: New test.
* gcc.target/aarch64/stack-protector-2.c: Likewise.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* gcc.target/powerpc/vec-blend-runnable.c: New test.
* gcc.target/powerpc/vec-permute-ext-runnable.c: New test.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* gcc.target/powerpc/vec-splati-runnable.c: New test.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* gcc.target/powerpc/vec-shift-double-runnable.c: New test file.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* gcc.target/powerpc/vec-replace-word-runnable.c: New test.
2020-08-05 2020-08-04 Carl Love <cel@us.ibm.com>
* gcc.target/powerpc/vec-insert-word-runnable.c: New test case.
2020-08-04 Roger Sayle <roger@nextmovesoftware.com>
* gcc.target/nvptx/mul-hi.c: New test.

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2020-08-05 Jakub Jelinek <jakub@redhat.com>
* testsuite/libgomp.c/loop-22.c: New test.
* testsuite/libgomp.c/loop-23.c: New test.
2020-08-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/96459
* testsuite/libgomp.c/teams-3.c: New test.
* testsuite/libgomp.c-c++-common/for-2.h (OMPTEAMS): Define to nothing
if not defined yet.
(N(test)): Use it before all N(f*) calls.
* testsuite/libgomp.c-c++-common/for-14.c (DO_PRAGMA, OMPTEAMS): Define.
(main): Don't call all test_* functions from within
#pragma omp teams reduction(|:err), call them directly.
2020-08-04 Tom de Vries <tdevries@suse.de>
PR target/96428

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2020-08-05 Jonathan Wakely <jwakely@redhat.com>
* include/std/atomic (atomic<T>::store): Reformat.
2020-08-05 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Replace oneAPI DPC++ link
with LLVM repo for PSTL.
* doc/html/manual/status.html: Regenerate.
2020-08-05 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4.29): Export new symbols.
* include/bits/istream.tcc (__istream_extract): New function
template implementing both of operator>>(istream&, char*) and
operator>>(istream&, char(&)[N]). Add explicit instantiation
declaration for it. Remove explicit instantiation declarations
for old function templates.
* include/std/istream (__istream_extract): Declare.
(operator>>(basic_istream<C,T>&, C*)): Define inline and simply
call __istream_extract.
(operator>>(basic_istream<char,T>&, signed char*)): Likewise.
(operator>>(basic_istream<char,T>&, unsigned char*)): Likewise.
(operator>>(basic_istream<C,T>&, C(7)[N])): Define for LWG 2499.
(operator>>(basic_istream<char,T>&, signed char(&)[N])):
Likewise.
(operator>>(basic_istream<char,T>&, unsigned char(&)[N])):
Likewise.
* include/std/streambuf (basic_streambuf): Declare char overload
of __istream_extract as a friend.
* src/c++11/istream-inst.cc: Add explicit instantiation
definition for wchar_t overload of __istream_extract. Remove
explicit instantiation definitions of old operator>> overloads
for versioned-namespace build.
* src/c++98/istream.cc (operator>>(istream&, char*)): Replace
with __istream_extract(istream&, char*, streamsize).
* testsuite/27_io/basic_istream/extractors_character/char/3.cc:
Do not use variable-length array.
* testsuite/27_io/basic_istream/extractors_character/char/4.cc:
Do not run test for C++20.
* testsuite/27_io/basic_istream/extractors_character/char/9555-ic.cc:
Do not test writing to pointers for C++20.
* testsuite/27_io/basic_istream/extractors_character/char/9826.cc:
Use array instead of pointer.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/3.cc:
Do not use variable-length array.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
Do not run test for C++20.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/9555-ic.cc:
Do not test writing to pointers for C++20.
* testsuite/27_io/basic_istream/extractors_character/char/lwg2499.cc:
New test.
* testsuite/27_io/basic_istream/extractors_character/char/lwg2499_neg.cc:
New test.
* testsuite/27_io/basic_istream/extractors_character/char/overflow.cc:
New test.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499.cc:
New test.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499_neg.cc:
New test.
2020-08-01 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/using_exceptions.xml: Move www.stroustrup.com to