gcc.git
5 years agoPR middle-end/91679 - missing -Warray-bounds accessing a member array in a local...
Martin Sebor [Fri, 1 Nov 2019 21:09:20 +0000 (21:09 +0000)]
PR middle-end/91679 - missing -Warray-bounds accessing a member array in a local buffer

PR middle-end/91679 - missing -Warray-bounds accessing a member array in a local buffer
PR middle-end/91647 - new FAILs for Warray-bounds-8 and Wstringop-overflow-3.C
PR middle-end/91463 - missing -Warray-bounds accessing past the end of a statically initialized flexible array member
PR middle-end/92312 - bogus -Wstringop-overflow storing into a trailing array backed by larger buffer

gcc/ChangeLog:

PR middle-end/91679
PR middle-end/91647
PR middle-end/91463
PR middle-end/92312
* c-family/c-pretty-print.c (direct_abstract_declarator): Print
bound in zero-length arrays.
* gcc/c-family/c.opt (-Wzero-length-bounds): New option.
* gcc/doc/invoke.texi (-Wzero-length-bounds): Document.
* gimple-match-head.c (try_conditional_simplification): Use memcpy
instead of a hand-rolled loop to avoid PR 92323.
* tree-vrp.c (vrp_prop::check_array_ref): Handle trailing arrays
with initializers.
(vrp_prop::check_mem_ref): Handle declared struct objects.
* tree.c (last_field): New function.
(array_at_struct_end_p): Handle MEM_REF.
(get_initializer_for): New helper.
(component_ref_size): Add argument.  Rename locals.  Call
get_initializer_for instead of fold_ctor_reference.  Correct handling
of flexible array members.
* wide-int.h (generic_wide_int <storage>::sign_mask): Assert invariant.

gcc/testsuite/ChangeLog:

PR middle-end/91679
PR middle-end/91647
PR middle-end/91463
PR middle-end/92312
* c-c++-common/Warray-bounds-2.c: Disable VRP.  Adjust expected messages.
* g++.dg/warn/Warray-bounds-8.C: Remove xfails.
* gcc.dg/Warray-bounds-48.c: New test.
* gcc.dg/Warray-bounds-49.c: New test.
* gcc.dg/Wstringop-overflow-16.c: Adjust text of expected messages.
* gcc.dg/Wstringop-overflow-21.c: New test.
* gcc.dg/Wzero-length-array-bounds.c: New test.
* gcc.dg/pr36902.c: Remove xfail.
* gcc.dg/strlenopt-57.c: Add an expected warning.

From-SVN: r277728

5 years agoRISC-V: Build soft-float divide routines for -mno-fdiv.
Jim Wilson [Fri, 1 Nov 2019 20:35:12 +0000 (20:35 +0000)]
RISC-V: Build soft-float divide routines for -mno-fdiv.

Using -mno-fdiv gives linker errors unless we build the missing divide
routines in libgcc always.  There is at least one university project
designing RISC-V parts without FP divide that wants to use the option.

libgcc/
* config/riscv/t-softfp32 (softfp_extra): Add FP divide routines

From-SVN: r277723

5 years agoFix nodiscard test failures.
Jason Merrill [Fri, 1 Nov 2019 20:12:30 +0000 (16:12 -0400)]
Fix nodiscard test failures.

* g++.dg/cpp2a/nodiscard-once.C: Expect nodiscard warning.
* g++.dg/cpp2a/nodiscard-reason.C: Adjust expected warnings.

From-SVN: r277719

5 years agodecl.c (match_byte_typespec): New function.
Steven G. Kargl [Fri, 1 Nov 2019 16:59:06 +0000 (16:59 +0000)]
decl.c (match_byte_typespec): New function.

2019-11-01  Steven G. Kargl  <kargl@gcc.gnu.org>

* decl.c (match_byte_typespec): New function.  Match BYTE type-spec.
(gfc_match_decl_type_spec): Use it.

2019-11-01  Steven G. Kargl  <kargl@gcc.gnu.org>

* gfortran.dg/byte_3.f: New test.
* gfortran.dg/byte_4.f90: Ditto.

From-SVN: r277715

5 years agore PR fortran/90988 (Wrong error message with variables named "PUBLIC*")
Steven G. Kargl [Fri, 1 Nov 2019 16:27:38 +0000 (16:27 +0000)]
re PR fortran/90988 (Wrong error message with variables named "PUBLIC*")

2019-11-01  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/90988
* decl.c (gfc_match_private, gfc_match_public): Fixed-form source code
does not require whitespace between PRIVATE (or PUBLIC) and an entity.

2019-11-01  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/90988
* gfortran.dg/pr90988_4.f: New test.

From-SVN: r277714

5 years agobuiltin-sprintf-warn-3.c: Declare test functions with noipa attribute.
Martin Sebor [Fri, 1 Nov 2019 15:42:25 +0000 (15:42 +0000)]
builtin-sprintf-warn-3.c: Declare test functions with noipa attribute.

gcc/testsuite/ChangeLog:

* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Declare test functions
with noipa attribute.

From-SVN: r277711

5 years ago[rs6000] vector conversion RTL pattern update for diff unit size
Kewen Lin [Fri, 1 Nov 2019 14:08:50 +0000 (14:08 +0000)]
[rs6000] vector conversion RTL pattern update for diff unit size

2019-11-01  Kewen Lin  <linkw@gcc.gnu.org>

  * config/rs6000/rs6000-modes.def (V2SF, V2SI): New modes.
  * config/rs6000/vsx.md (UNSPEC_VSX_CVSPSXDS, UNSPEC_VSX_CVSPUXDS): Remove.
  (vsx_xvcvspdp): New define_expand, old define_insn split to...
  (vsx_xvcvspdp_be): ... this.  New.  And...
  (vsx_xvcvspdp_le): ... this.  New.
  (vsx_xvcv<su>xwdp): New define_expand, old define_insn split to...
  (vsx_xvcv<su>xwdp_be): ... this.  New.  And...
  (vsx_xvcv<su>xwdp_le): ... this.  New.
  (vsx_xvcvsp<su>xds): New define_expand, old define_insn split to...
  (vsx_xvcvsp<su>xds_be): ... this.  New.  And...
  (vsx_xvcvsp<su>xds_le): ... this.  New.

From-SVN: r277709

5 years ago[rs6000] vector conversion RTL pattern update for same unit size
Kewen Lin [Fri, 1 Nov 2019 13:17:48 +0000 (13:17 +0000)]
[rs6000] vector conversion RTL pattern update for same unit size

2019-11-01  Kewen Lin  <linkw@gcc.gnu.org>

  * config/rs6000/vsx.md (UNSPEC_VSX_CVSXWSP, UNSPEC_VSX_CVUXWSP,
  UNSPEC_VSX_XVCVSXDDP, UNSPEC_VSX_XVCVUXDDP,
  UNSPEC_VSX_XVCVDPSXDS, UNSPEC_VSX_XVCVDPUXDS,
  UNSPEC_VSX_XVCVSPSXWS): Remove.
  (vsx_xvcv<su>xddp, vsx_xvcvdp<su>xds, vsx_xvcvsp<su>xws,
  vsx_xvcv<su>xwsp): Update define_insn RTL patterns.

From-SVN: r277708

5 years ago[C++ PATCH] cleanup check_field_decls
Nathan Sidwell [Fri, 1 Nov 2019 12:59:25 +0000 (12:59 +0000)]
[C++ PATCH] cleanup check_field_decls

https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00012.html
cp/
* class.c (check_field_decls): Refactor.

testsuite/
* g++.dg/template/fn.C: New.

From-SVN: r277707

5 years ago[rs6000] Replace vsx_xvcdpsp by vsx_xvcvdpsp
Kewen Lin [Fri, 1 Nov 2019 11:52:15 +0000 (11:52 +0000)]
[rs6000] Replace vsx_xvcdpsp by vsx_xvcvdpsp

2019-11-01  Kewen Lin  <linkw@gcc.gnu.org>

    * config/rs6000/vsx.md (vsx_xvcdpsp): Remove define_insn.
    (UNSPEC_VSX_XVCDPSP): Remove.
    * config/rs6000/rs6000.c (rs6000_generate_float2_double_code):
    Replace gen_vsx_xvcdpsp by gen_vsx_xvcvdpsp.

From-SVN: r277706

5 years agoOpenMP] use_device_addr/use_device_ptr with Fortran allocatable/pointer arrays
Tobias Burnus [Fri, 1 Nov 2019 07:59:23 +0000 (07:59 +0000)]
OpenMP] use_device_addr/use_device_ptr with Fortran allocatable/pointer arrays

        gcc/fortran/
        * f95-lang.c (LANG_HOOKS_OMP_ARRAY_DATA): Set to gfc_omp_array_data.
        * trans-array.c (gfc_conv_descriptor_data_get): Handle also
        REFERENCE_TYPE.
        * trans-openmp.c (gfc_omp_array_data): New.
        * trans.h (gfc_omp_array_data): New prototype.

        gcc/
        * hooks.c (hook_tree_tree_bool_null): New.
        * hooks.h (hook_tree_tree_bool_null): Declare.
        * langhooks-def.h (LANG_HOOKS_OMP_ARRAY_DATA): Define.
        (LANG_HOOKS_DECLS): Add it.
        * langhooks.h (lang_hooks_for_decls): Add omp_array_data.
        * omp-low.c (install_var_field): New mode for Fortran descriptor arrays.
        (lower_omp_target): Handle Fortran array with descriptor in
        OMP_CLAUSE_USE_DEVICE_ADDR/OMP_CLAUSE_USE_DEVICE_PTR.

        libgomp/
        * testsuite/libgomp.fortran/use_device_addr-1.f90 (test_nullptr_1,
        test_dummy_opt_nullptr_callee_1): Add present but unallocated test.
        * testsuite/libgomp.fortran/use_device_addr-2.f90: Likewise.
        * testsuite/libgomp.fortran/use_device_addr-3.f90: New.
        * testsuite/libgomp.fortran/use_device_addr-4.f90: New.
        * testsuite/testsuite/libgomp.fortran/use_device_ptr-1.f90: New.

From-SVN: r277705

5 years agoPR testsuite/92127: Disable unrolling for some vect code model cases
Kewen Lin [Fri, 1 Nov 2019 07:11:12 +0000 (07:11 +0000)]
PR testsuite/92127: Disable unrolling for some vect code model cases

  2019-11-01  Kewen Lin  <linkw@gcc.gnu.org>

  PR testsuite/92127
  * gcc.dg/vect/costmodel/ppc/costmodel-pr37194.c: Disable unroll.
  * gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c: Likewise.

From-SVN: r277704

5 years agoDaily bump.
GCC Administrator [Fri, 1 Nov 2019 00:16:15 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r277703

5 years agoRegenerate libstdc++ HTML docs
Jonathan Wakely [Thu, 31 Oct 2019 23:03:26 +0000 (23:03 +0000)]
Regenerate libstdc++ HTML docs

* doc/html/*: Regenerate.

From-SVN: r277699

5 years agoAdd remaining changes from P1065R2 "constexpr INVOKE"
Jonathan Wakely [Thu, 31 Oct 2019 23:03:22 +0000 (23:03 +0000)]
Add remaining changes from P1065R2 "constexpr INVOKE"

* include/bits/refwrap.h (reference_wrapper, ref, cref): Add constexpr
specifiers for C++20.
* include/std/functional (_Mem_fn, mem_fn, _Bind, _Bind_result, bind)
(bind_front, _Not_fn, not_fn): Likewise.
* testsuite/20_util/bind/constexpr.cc: New test.
* testsuite/20_util/function_objects/bind_front/constexpr.cc: New test.
* testsuite/20_util/function_objects/mem_fn/constexpr.cc: New test.
* testsuite/20_util/function_objects/not_fn/constexpr.cc: New test.
* testsuite/20_util/reference_wrapper/constexpr.cc: New test.

From-SVN: r277698

5 years agoPartial implementation of C++20 of <ranges> header
Jonathan Wakely [Thu, 31 Oct 2019 21:42:18 +0000 (21:42 +0000)]
Partial implementation of C++20 of <ranges> header

* doc/doxygen/user.cfg.in: Add new header.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Include new header.
* include/std/ranges: New header.
(ranges::sentinel_t, ranges::range_value_t, ranges::range_reference_t)
(ranges::range_rvalue_reference_t, ranges::sized_range)
(ranges::output_range, ranges::input_ranges, ranges::forward_range)
(ranges::bidirectional_range, ranges::random_access_range)
(ranges::contiguous_range, ranges::common::range): Define.
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Check
that disabled_sized_sentinel can be specialized.
* testsuite/std/ranges/access/begin.cc: Include <ranges> instead of
<iterator>.
* testsuite/std/ranges/access/cbegin.cc: Likewise.
* testsuite/std/ranges/access/cdata.cc: Likewise.
* testsuite/std/ranges/access/cend.cc: Likewise.
* testsuite/std/ranges/access/crbegin.cc: Likewise.
* testsuite/std/ranges/access/crend.cc: Likewise.
* testsuite/std/ranges/access/data.cc: Likewise.
* testsuite/std/ranges/access/empty.cc: Likewise.
* testsuite/std/ranges/access/end.cc: Likewise.
* testsuite/std/ranges/access/end_neg.cc: Likewise.
* testsuite/std/ranges/access/rbegin.cc: Likewise.
* testsuite/std/ranges/access/rend.cc: Likewise.
* testsuite/std/ranges/access/size.cc: Likewise.
* testsuite/std/ranges/access/size_neg.cc: Likewise.
* testsuite/std/ranges/headers/ranges/synopsis.cc: New test.
* testsuite/std/ranges/range.cc: New test.
* testsuite/std/ranges/refinements.cc: New test.
* testsuite/std/ranges/sized.cc: New test.
* testsuite/util/testsuite_iterators.h: Add aliases for range types.
(output_iterator_wrapper::WritableObject::operator=): Add const
qualifier so that output_iterator_wrapper satisfies writable.

From-SVN: r277697

5 years agoTest --help=common for full sentences
Alexandre Oliva [Thu, 31 Oct 2019 17:47:29 +0000 (17:47 +0000)]
Test --help=common for full sentences

The portion of help.exp that checks that help output contains full
sentences failed to cover common options.

for  gcc/testsuite/ChangeLog

* gcc.misc-tests/help.exp: Test --help=common for full sentences.

From-SVN: r277686

5 years agore PR preprocessor/92296 (internal compiler error: Segmentation fault #pragma push_m...
Jakub Jelinek [Thu, 31 Oct 2019 17:38:44 +0000 (18:38 +0100)]
re PR preprocessor/92296 (internal compiler error: Segmentation fault  #pragma push_macro("__LINE__"))

PR preprocessor/92296
* internal.h (struct def_pragma_macro): Add is_builtin bitfield.
(_cpp_restore_special_builtin): Declare.
* init.c (_cpp_restore_special_builtin): New function.
* directives.c (do_pragma_push_macro): For NT_BUILTIN_MACRO
set is_builtin and don't try to grab definition.
(cpp_pop_definition): Use _cpp_restore_special_builtin to restore
builtin macros.

* c-c++-common/cpp/pr92296-1.c: New test.
* c-c++-common/cpp/pr92296-2.c: New test.

From-SVN: r277685

5 years agodevices-main.c: Move to devices subdirectory.
Jozef Lawrynowicz [Thu, 31 Oct 2019 17:36:53 +0000 (17:36 +0000)]
devices-main.c: Move to devices subdirectory.

2019-10-31  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

* gcc.target/msp430/devices-main.c: Move to devices subdirectory.
* gcc.target/msp430/devices/bad-devices-1.c: Update #include path to
devices-main.c.
* gcc.target/msp430/devices/bad-devices-2.c: Likewise.
* gcc.target/msp430/devices/bad-devices-3.c: Likewise.
* gcc.target/msp430/devices/bad-devices-4.c: Likewise.
* gcc.target/msp430/devices/bad-devices-5.c: Likewise.
* gcc.target/msp430/devices/bad-devices-6.c: Likewise.
* gcc.target/msp430/devices/csv-device-order.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_00.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_01.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_02.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_04.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_08.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_10.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_11.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_12.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_14.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_18.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_20.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_21.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_22.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_24.c: Likewise.
* gcc.target/msp430/devices/csv-msp430_28.c: Likewise.
* gcc.target/msp430/devices/csv-msp430fr5969.c: Likewise.
* gcc.target/msp430/devices/hard-cc430f5123.c: Likewise.
* gcc.target/msp430/devices/hard-foo.c: Likewise.
* gcc.target/msp430/devices/hard-msp430afe253.c: Likewise.
* gcc.target/msp430/devices/hard-msp430cg4616.c: Likewise.
* gcc.target/msp430/devices/hard-msp430f4783.c: Likewise.
* gcc.target/msp430/devices/hard-rf430frl154h_rom.c: Likewise.

From-SVN: r277684

5 years ago[AArch64] Fix g++.target/aarch64/sve/vcond_1_run.C
Richard Sandiford [Thu, 31 Oct 2019 17:29:28 +0000 (17:29 +0000)]
[AArch64] Fix g++.target/aarch64/sve/vcond_1_run.C

This had been failing since a mass renaming.  Noticed it a few times
before but somehow never got around to fixing it.

2019-10-31  Richard Sandiford  <richard.sandiford@arm.com>

gcc/testsuite/
* g++.target/aarch64/sve/vcond_1_run.C: Update test name.

From-SVN: r277683

5 years ago[AArch64] Split gcc.target/aarch64/sve/vcond_4*
Richard Sandiford [Thu, 31 Oct 2019 17:27:02 +0000 (17:27 +0000)]
[AArch64] Split gcc.target/aarch64/sve/vcond_4*

vcond_4.c combined too much stuff into one test, so that when we needed
to add XFAILs for one set of routines, we lost testing of others that
used the same instructions.  This patch splits it into four:

vcond_4.c:
  The main test for selects between a vector and a scalar, with all
  elements having the same size.

  After Prathamesh's fix for PR91272, we are now guaranteed to use the
  conditionally-loaded vector as the "then" value and the scalar as the
  "else" value.

vcond_4_zero.c:
  Like vcond_4.c, but comparing with zero.

vcond_4_sel.c:
  Tests for selects between two scalars, with all elements having
  the same size.  The optimisers can legitimately switch the "then"
  and "else" order and adjust the comparison to match.

vcond_4_costly.c:
  Like vcnod_4.c, but with mixed element sizes.  The sequences tested
  here will not be the preferred ones once we support mixtures of vector
  sizes, but it still tests an important code path.

This means that vcond_4_run.c now only tests what's left in vcond_4.c,
but that seems OK, since the main point was to ensure correct exception
behaviour.

Similarly it means that vcond_5.c only tests what's left in vcond_4.c,
but that too is OK, since the point of the test was to compare the
default handling of each comparison in vcond_4.c with the
-fno-trapping-math equivalent.

2019-10-31  Richard Sandiford  <richard.sandiford@arm.com>

gcc/testsuite/
* gcc.target/aarch64/sve/vcond_4.c: Split parts out into...
* gcc.target/aarch64/sve/vcond_4_costly.c,
* gcc.target/aarch64/sve/vcond_4_sel.c,
* gcc.target/aarch64/sve/vcond_4_zero.c: ...these new tests.
* gcc.target/aarch64/sve/vcond_4_run.c: Adjust accordingly.
* gcc.target/aarch64/sve/vcond_5.c: Likewise.

From-SVN: r277682

5 years ago[AArch64] Split gcc.target/aarch64/sve/reduc_strict_3.c
Richard Sandiford [Thu, 31 Oct 2019 17:21:11 +0000 (17:21 +0000)]
[AArch64] Split gcc.target/aarch64/sve/reduc_strict_3.c

This patch splits gcc.target/aarch64/sve/reduc_strict_3.c into one
test per function, so that it's easier to see what each scan is
matching and also so that we no longer rely on the number of times
that each dump message is printed.

The patch also generalises the tests to work with scalable vectors.
I think the test probably predates support for variable-length
loop-aware SLP.

2019-10-31  Richard Sandiford  <richard.sandiford@arm.com>

gcc/testsuite/
* gcc.target/aarch64/sve/reduc_strict_3.c: Split all but the
first function out into...
* gcc.target/aarch64/sve/reduc_strict_4.c,
* gcc.target/aarch64/sve/reduc_strict_5.c,
* gcc.target/aarch64/sve/reduc_strict_6.c,
* gcc.target/aarch64/sve/reduc_strict_7.c,
* gcc.target/aarch64/sve/reduc_strict_8.c,
* gcc.target/aarch64/sve/reduc_strict_9.c: ...these new tests.
Test for scalable vectors instead of 256-bit vectors.

From-SVN: r277681

5 years ago[AArch64] Fix build for non-default languages
Richard Sandiford [Thu, 31 Oct 2019 17:16:31 +0000 (17:16 +0000)]
[AArch64] Fix build for non-default languages

The SVE PCS support broke go, D and Ada because those languages don't
call TARGET_INIT_BUILTINS.  We therefore ended up trying to get the
TYPE_MAIN_VARIANT of a null __SVBool_t.

We shouldn't really need to apply TYPE_MAIN_VARIANT there anyway,
since the ABI-defined types are (and need to be) their own main
variants.  This patch asserts for that instead.

2019-10-31  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
* config/aarch64/aarch64-sve-builtins.cc (register_builtin_types):
Assert that the type we store in abi_vector_types is its own
main variant.
(svbool_type_p): Don't apply TYPE_MAIN_VARIANT here.

From-SVN: r277680

5 years agore PR fortran/92284 (Subroutine with bind(c) attribute causing varied problems)
Jakub Jelinek [Thu, 31 Oct 2019 16:37:55 +0000 (17:37 +0100)]
re PR fortran/92284 (Subroutine with bind(c) attribute causing varied problems)

PR fortran/92284
* gfortran.dg/bind_c_array_params_3_aux.c: Include
../../../libgfortran/ISO_Fortran_binding.h rather than
ISO_Fortran_binding.h.

From-SVN: r277679

5 years agoEnsure that gfortran.dg/achar_2.f90 can fail
Tobias Burnus [Thu, 31 Oct 2019 16:09:49 +0000 (16:09 +0000)]
Ensure that gfortran.dg/achar_2.f90 can fail

        * gfortran.dg/achar_2.f90: Remove bogus line from
        last commit.

From-SVN: r277678

5 years ago[arm] Avoid using negative offsets for 'immediate' addresses when compiling for Thumb2
Richard Earnshaw [Thu, 31 Oct 2019 16:07:09 +0000 (16:07 +0000)]
[arm] Avoid using negative offsets for 'immediate' addresses when compiling for Thumb2

Thumb2 code now uses the Arm implementation of legitimize_address.
That code has a case to handle addresses that are absolute CONST_INT
values, which is a common use case in deeply embedded targets (eg:
void *p = (void*)0x12345678).  Since thumb has very limited negative
offsets from a constant, we want to avoid forming a CSE base that will
then be used with a negative value.

This was reported upstream originally in
https://gcc.gnu.org/ml/gcc-help/2019-10/msg00122.html

For example,

void test1(void) {
  volatile uint32_t * const p = (uint32_t *) 0x43fe1800;

  p[3] = 1;
  p[4] = 2;
  p[1] = 3;
  p[7] = 4;
  p[0] = 6;
}

With the new code, instead of

        ldr     r3, .L2
        subw    r2, r3, #2035
        movs    r1, #1
        str     r1, [r2]
        subw    r2, r3, #2031
        movs    r1, #2
        str     r1, [r2]
        subw    r2, r3, #2043
        movs    r1, #3
        str     r1, [r2]
        subw    r2, r3, #2019
        movs    r1, #4
        subw    r3, r3, #2047
        str     r1, [r2]
        movs    r2, #6
        str     r2, [r3]
        bx      lr

We now get

        ldr     r3, .L2
        movs    r2, #1
        str     r2, [r3, #2060]
        movs    r2, #2
        str     r2, [r3, #2064]
        movs    r2, #3
        str     r2, [r3, #2052]
        movs    r2, #4
        str     r2, [r3, #2076]
        movs    r2, #6
        str     r2, [r3, #2048]
        bx      lr

* config/arm/arm.c (arm_legitimize_address): Don't form negative
offsets from a CONST_INT address when TARGET_THUMB2.

From-SVN: r277677

5 years ago[arm] Pattern match insns for a + ~b + Carry
Richard Earnshaw [Thu, 31 Oct 2019 16:04:53 +0000 (16:04 +0000)]
[arm] Pattern match insns for a + ~b + Carry

On ARM, the SBC instruction is defined as

  Ra - Rb - ~C

where C is the carry flag.  But -Rb = ~Rb + 1, so this is equivalent to

  Ra + ~Rb + 1 - ~C

which then simplifies to

  Ra + ~Rb + C

which is essentially an add-with-carry with one operand inverted.  We
can define RTL patterns to match this.  In thumb2 we can only match
when the operands are both registers, but in Arm state we can also use
RSC to match when Rn is either a constant or a shifted operand.

This overall simplifies some cases of 64-bit arithmetic, for example,

int64_t f (int64_t a, int64_t b) { return a + ~b; }

will now compile to

  MVN  R2, R2
  ADDS R0, R0, R2
  SBC  R1, R1, R3

* config/arm/arm.md (add_not_cin): New insn.
(add_not_shift_cin): Likewise.

From-SVN: r277676

5 years agoRemove dead code in IPA ICF.
Martin Liska [Thu, 31 Oct 2019 15:58:06 +0000 (16:58 +0100)]
Remove dead code in IPA ICF.

2019-10-31  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::compare_tree_ssa_label): Remove.
* ipa-icf-gimple.h: Remove declaration from compare_tree_ssa_label
and compare_memory_operand.

From-SVN: r277675

5 years agoEnsure that gfortran.dg/achar_2.f90 can fail
Tobias Burnus [Thu, 31 Oct 2019 15:56:42 +0000 (15:56 +0000)]
Ensure that gfortran.dg/achar_2.f90 can fail

        * gfortran.dg/achar_2.f90: Print 'DONE' and add dg-output.

From-SVN: r277674

5 years agoImprove tests for std::add_pointer
Jonathan Wakely [Thu, 31 Oct 2019 14:07:11 +0000 (14:07 +0000)]
Improve tests for std::add_pointer

The type trait depends on is_void so the tests should check those cases.

* testsuite/20_util/add_pointer/value.cc: Check void types.

From-SVN: r277672

5 years agoRemove PR 92268 workaround and fix new test failures
Jonathan Wakely [Thu, 31 Oct 2019 13:17:48 +0000 (13:17 +0000)]
Remove PR 92268 workaround and fix new test failures

With the compiler bug fixed we can simplify the __sizable concept to use
a return-type-requirement again. I also realised it was redundantly
re-checking a subset of the sized_sentinel_for requirements.

The compiler fix also revealed bugs in two tests which started to fail
and are fixed by this patch.

* include/bits/range_access.h (__sizable): Rename to __sentinel_size.
Remove workaround for PR c++/92268 and remove redundant requirements
that are already checked by sized_sentinel_for.
* testsuite/std/ranges/access/cend.cc: Fix failures.
* testsuite/std/ranges/access/end.cc: Likewise.

From-SVN: r277667

5 years agoFix handling of arrays in range access customization points
Jonathan Wakely [Thu, 31 Oct 2019 13:17:42 +0000 (13:17 +0000)]
Fix handling of arrays in range access customization points

This combines the overloads for arrays with the non-array overloads,
using if-constexpr to choose between the cases, and also enforces the
following:

- ADL should only be used for class types and enumeration types.
- ranges::begin should be ill-formed for rvalue arrays.
- ranges::end should be ill-formed for rvalue arrays, unbounded
  arrays, and arrays of incomplete type.
- ranges::size should be ill-formed for unbounded arrays.

* include/bits/range_access.h (ranges::begin): Combine array and
non-array overloads into one function template. Only use ADL for
classes and enums
(ranges::end, ranges::size): Likewise. Make unbounded arrays
ill-formed.
(ranges::rbegin, ranges::rend): Only use ADL for classes and enums.
Reformat _S_noexcept() functions to mirror operator() structure.
* testsuite/std/ranges/access/begin.cc: Check incomplete array.
* testsuite/std/ranges/access/end_neg.cc: New test.
* testsuite/std/ranges/access/size.cc: Check array of incomplete type.
* testsuite/std/ranges/access/size_neg.cc: New test.

From-SVN: r277666

5 years ago[testsuite] Fix wrong order of dg-additional-options
Andre Vieira [Thu, 31 Oct 2019 10:54:44 +0000 (10:54 +0000)]
[testsuite] Fix wrong order of dg-additional-options

gcc/testsuite/ChangeLog:
2019-10-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

* gcc.target/aarch64/sve/reduc_strict_3.c: Fix option order.
* gcc.target/i386/avx-vzeroupper-19.c: Likewise.
* gcc.target/i386/avx2-vect-mask-store-move1.c: Likewise.
* gcc.target/i386/avx512f-gather-2.c: Likewise.
* gcc.target/i386/avx512f-gather-5.c: Likewise.
* gcc.target/i386/l_fma_double_1.c: Likewise.
* gcc.target/i386/l_fma_double_2.c: Likewise.
* gcc.target/i386/l_fma_double_3.c: Likewise.
* gcc.target/i386/l_fma_double_4.c: Likewise.
* gcc.target/i386/l_fma_double_5.c: Likewise.
* gcc.target/i386/l_fma_double_6.c: Likewise.
* gcc.target/i386/l_fma_float_1.c: Likewise.
* gcc.target/i386/l_fma_float_2.c: Likewise.
* gcc.target/i386/l_fma_float_3.c: Likewise.
* gcc.target/i386/l_fma_float_4.c: Likewise.
* gcc.target/i386/l_fma_float_5.c: Likewise.
* gcc.target/i386/l_fma_float_6.c: Likewise.
* gcc.target/i386/mask-pack.c: Likewise.
* gcc.target/i386/mask-unpack.c: Likewise.

From-SVN: r277664

5 years agoFortran] PR92284 – gfc_desc_to_cfi_desc fixes
Tobias Burnus [Thu, 31 Oct 2019 10:12:55 +0000 (11:12 +0100)]
Fortran] PR92284 – gfc_desc_to_cfi_desc fixes

        gcc/fortran/
        PR fortran/92284.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Free CFI descriptor
        at the end; partial revised revert of Rev. 277502.

        libgfortran/
        PR fortran/92284.
        * runtime/ISO_Fortran_binding.c (gfc_desc_to_cfi_desc):

        gcc/testsuite/
        PR fortran/92284.
        * gfortran.dg/bind-c-intent-out.f90: Update expected dump;
        extend comment.
        * gfortran.dg/bind_c_array_params_3.f90: New.
        * gfortran.dg/bind_c_array_params_3_aux.c: New.

From-SVN: r277663

5 years agoconfigure.ac: Compute and substitute omp_device_properties and omp_device_property_deps.
Jakub Jelinek [Thu, 31 Oct 2019 10:09:43 +0000 (11:09 +0100)]
configure.ac: Compute and substitute omp_device_properties and omp_device_property_deps.

* configure.ac: Compute and substitute omp_device_properties and
omp_device_property_deps.
* Makefile.in (generated_files): Add omp-device-properties.h.
(omp-general.o): Depend on omp-device-properties.h.
(omp_device_properties): New make variable.
(omp-device-properties.h, s-omp-device-properties-h,
install-omp-device-properties): New goals.
(install): Depend on install-omp-device-properties for accelerators.
* target.def (TARGET_OMP_DEVICE_KIND_ARCH_ISA): New target hook.
* target.h (enum omp_device_kind_arch_isa): New enum.
* doc/tm.texi.in: Add placeholder for TARGET_OMP_DEVICE_KIND_ARCH_ISA
documentation.
* omp-general.c: Include omp-device-properties.h.
(omp_max_simt_vf): Expect OFFLOAD_TARGET_NAMES to be separated by
colon instead of comma.
(omp_offload_device_kind_arch_isa, omp_maybe_offloaded): New
functions.
(omp_context_selector_matches): Implement device set arch/isa
selectors, improve device set kind selector handling.
* config/i386/i386-options.h (ix86_omp_device_kind_arch_isa): Declare.
* config/i386/i386.c (TARGET_SIMD_CLONE_ADJUST,
TARGET_SIMD_CLONE_USABLE): Formatting fix.
(TARGET_OMP_DEVICE_KIND_ARCH_ISA): Redefine to
ix86_omp_device_kind_arch_isa.
* config/i386/i386-options.c (struct ix86_target_opts): Move type
definition from ix86_target_string to file scope.
(isa2_opts, isa_opts): Moved arrays from ix86_target_string function
to file scope.
(ix86_omp_device_kind_arch_isa): New function.
(ix86_target_string): Moved struct ix86_target_opts, isa2_opts and
isa_opts definitions to file scope.
* config/i386/t-intelmic (omp-device-properties): New goal.
* config/nvptx/t-nvptx (omp-device-properties): Likewise.
* config/nvptx/nvptx.c (nvptx_omp_device_kind_arch_isa): New function.
(TARGET_OMP_DEVICE_KIND_ARCH_ISA): Redefine to
nvptx_omp_device_kind_arch_isa.
* configure: Regenerate.
* doc/tm.texi: Regenerate.
testsuite/
* c-c++-common/gomp/declare-variant-9.c: New test.
* c-c++-common/gomp/declare-variant-10.c: New test.

From-SVN: r277662

5 years agoFortran] PR92277 - Fix assumed-rank array with bind(C)
Tobias Burnus [Thu, 31 Oct 2019 10:06:19 +0000 (10:06 +0000)]
Fortran] PR92277 - Fix assumed-rank array with bind(C)

        gcc/fortran/
        PR fortran/92277
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Fix DECL_ARTIFICIAL
        checking.

        gcc/testsuite/
        PR fortran/92277
        * fortran.dg/pr92277.f90: New.

From-SVN: r277661

5 years agore PR middle-end/92231 (ICE in gimple_fold_stmt_to_constant_1)
Jakub Jelinek [Thu, 31 Oct 2019 10:04:47 +0000 (11:04 +0100)]
re PR middle-end/92231 (ICE in gimple_fold_stmt_to_constant_1)

PR middle-end/92231
* tree.h (fndecl_built_in_p): Use fndecl_built_in_p instead of
DECL_BUILT_IN in comment.  Remove redundant ()s around return
argument.
* tree.c (free_lang_data_in_decl): Check if var is FUNCTION_DECL
before calling fndecl_built_in_p.
* gimple-fold.c (gimple_fold_stmt_to_constant_1): Check if
TREE_OPERAND (fn, 0) is a FUNCTION_DECL before calling
fndecl_built_in_p on it.
lto/
* lto-lang.c (handle_const_attribute): Don't call fndecl_built_in_p
on *node that is not FUNCTION_DECL.
testsuite/
* gcc.c-torture/compile/pr92231.c: New test.

From-SVN: r277660

5 years ago[vect]Make vect-epilogues-nomask=1 default
Andre Vieira [Thu, 31 Oct 2019 09:49:47 +0000 (09:49 +0000)]
[vect]Make vect-epilogues-nomask=1 default

This patch turns epilogue vectorization on by default for all targets.  The
following test strategy was chosen for this:

1) Disable epilogue vectorization for all tests that failed due to
scan-tree-dump failures for aarch64, arm and x86_64 inside:
  - gcc.dg/vect
  - gcc.target/i386
  - gcc.target/aarch6
  - gfortran.dg/vect

2) Add the Bugzilla's reported testcase but xfail the scan for
"EPILOGUE VECTORIZED" for arm*-*-* as that target does not vectorize the
epilogue.

gcc/ChangeLog:
2019-10-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

* params.def (PARAM_VECT_EPILOGUES_NOMASK): Enable by default.

gcc/testsuite/ChangeLog:
2019-10-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

* gcc.dg/vect/vect-epilogues.c: New test.
* gcc.dg/vect/fast-math-vect-call-1.c: Disable for epilogue
vectorization.
* gcc.dg/vect/no-fast-math-vect16.c: Likewise.
* gcc.dg/vect/no-scevccp-noreassoc-slp-reduc-7.c: Likewise.
* gcc.dg/vect/no-scevccp-vect-iv-3.c: Likewise.
* gcc.dg/vect/no-section-anchors-vect-31.c: Likewise.
* gcc.dg/vect/no-section-anchors-vect-64.c: Likewise.
* gcc.dg/vect/no-section-anchors-vect-66.c: Likewise.
* gcc.dg/vect/no-section-anchors-vect-68.c: Likewise.
* gcc.dg/vect/no-vfa-vect-dv-2.c: Likewise.
* gcc.dg/vect/pr33804.c: Likewise.
* gcc.dg/vect/pr53773.c: Likewise.
* gcc.dg/vect/pr65947-1.c: Likewise.
* gcc.dg/vect/pr65947-13.c: Likewise.
* gcc.dg/vect/pr65947-14.c: Likewise.
* gcc.dg/vect/pr65947-4.c: Likewise.
* gcc.dg/vect/pr80631-1.c: Likewise.
* gcc.dg/vect/pr80631-2.c: Likewise.
* gcc.dg/vect/slp-23.c: Likewise.
* gcc.dg/vect/slp-25.c: Likewise.
* gcc.dg/vect/slp-reduc-2.c: Likewise.
* gcc.dg/vect/slp-reduc-5.c: Likewise.
* gcc.dg/vect/slp-reduc-6.c: Likewise.
* gcc.dg/vect/slp-reduc-sad-2.c: Likewise.
* gcc.dg/vect/slp-widen-mult-half.c: Likewise.
* gcc.dg/vect/trapv-vect-reduc-4.c: Likewise.
* gcc.dg/vect/vect-103.c: Likewise.
* gcc.dg/vect/vect-109.c: Likewise.
* gcc.dg/vect/vect-119.c: Likewise.
* gcc.dg/vect/vect-24.c: Likewise.
* gcc.dg/vect/vect-26.c: Likewise.
* gcc.dg/vect/vect-27.c: Likewise.
* gcc.dg/vect/vect-29.c: Likewise.
* gcc.dg/vect/vect-42.c: Likewise.
* gcc.dg/vect/vect-44.c: Likewise.
* gcc.dg/vect/vect-48.c: Likewise.
* gcc.dg/vect/vect-50.c: Likewise.
* gcc.dg/vect/vect-52.c: Likewise.
* gcc.dg/vect/vect-54.c: Likewise.
* gcc.dg/vect/vect-56.c: Likewise.
* gcc.dg/vect/vect-58.c: Likewise.
* gcc.dg/vect/vect-60.c: Likewise.
* gcc.dg/vect/vect-72.c: Likewise.
* gcc.dg/vect/vect-75-big-array.c: Likewise.
* gcc.dg/vect/vect-75.c: Likewise.
* gcc.dg/vect/vect-77-alignchecks.c: Likewise.
* gcc.dg/vect/vect-77-global.c: Likewise.
* gcc.dg/vect/vect-78-alignchecks.c: Likewise.
* gcc.dg/vect/vect-78-global.c: Likewise.
* gcc.dg/vect/vect-89-big-array.c: Likewise.
* gcc.dg/vect/vect-89.c: Likewise.
* gcc.dg/vect/vect-91.c: Likewise.
* gcc.dg/vect/vect-92.c: Likewise.
* gcc.dg/vect/vect-96.c: Likewise.
* gcc.dg/vect/vect-cond-reduc-3.c: Likewise.
* gcc.dg/vect/vect-cond-reduc-4.c: Likewise.
* gcc.dg/vect/vect-live-1.c: Likewise.
* gcc.dg/vect/vect-live-2.c: Likewise.
* gcc.dg/vect/vect-live-3.c: Likewise.
* gcc.dg/vect/vect-live-4.c: Likewise.
* gcc.dg/vect/vect-live-slp-1.c: Likewise.
* gcc.dg/vect/vect-live-slp-2.c: Likewise.
* gcc.dg/vect/vect-live-slp-3.c: Likewise.
* gcc.dg/vect/vect-multitypes-3.c: Likewise.
* gcc.dg/vect/vect-multitypes-4.c: Likewise.
* gcc.dg/vect/vect-multitypes-6.c: Likewise.
* gcc.dg/vect/vect-peel-1-epilogue.c: Likewise. New test.
* gcc.dg/vect/vect-peel-1-src.c: Likewise. New test.
* gcc.dg/vect/vect-peel-1.c: Likewise.
* gcc.dg/vect/vect-peel-3-epilogue.c: Likewise. New test.
* gcc.dg/vect/vect-peel-3-src.c: Likewise. New test.
* gcc.dg/vect/vect-peel-3.c: Likewise.
* gcc.dg/vect/vect-peel-4-epilogue.c: Likewise. New test.
* gcc.dg/vect/vect-peel-4-src.c: Likewise. New test.
* gcc.dg/vect/vect-peel-4.c: Likewise.
* gcc.dg/vect/vect-reduc-6.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-s16a.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-s8a.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-s8b.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-u16b.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-u8a.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-u8b.c: Likewise.
* gcc.dg/vect/vect-reduc-pattern-1a.c: Likewise.
* gcc.dg/vect/vect-reduc-pattern-1b-big-array.c: Likewise.
* gcc.dg/vect/vect-reduc-pattern-1c-big-array.c: Likewise.
* gcc.dg/vect/vect-reduc-pattern-2a.c: Likewise.
* gcc.dg/vect/vect-reduc-pattern-2b-big-array.c: Likewise.
* gcc.dg/vect/vect-reduc-sad.c: Likewise.
* gcc.dg/vect/vect-widen-mult-const-s16.c: Likewise.
* gcc.dg/vect/vect-widen-mult-const-u16.c: Likewise.
* gcc.dg/vect/vect-widen-mult-half-u8.c: Likewise.
* gcc.dg/vect/vect-widen-mult-half.c: Likewise.
* gcc.dg/vect/vect-widen-mult-u16.c: Likewise.
* gcc.dg/vect/vect-widen-mult-u8-s16-s32.c: Likewise.
* gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c: Likewise.
* gcc.target/aarch64/sve/reduc_strict_3.c: Likewise.
* gcc.target/i386/avx-vzeroupper-19.c: Likewise.
* gcc.target/i386/avx2-vect-mask-store-move1.c: Likewise.
* gcc.target/i386/avx512f-gather-2.c: Likewise.
* gcc.target/i386/avx512f-gather-5.c: Likewise.
* gcc.target/i386/l_fma_double_1.c: Likewise.
* gcc.target/i386/l_fma_double_2.c: Likewise.
* gcc.target/i386/l_fma_double_3.c: Likewise.
* gcc.target/i386/l_fma_double_4.c: Likewise.
* gcc.target/i386/l_fma_double_5.c: Likewise.
* gcc.target/i386/l_fma_double_6.c: Likewise.
* gcc.target/i386/l_fma_float_1.c: Likewise.
* gcc.target/i386/l_fma_float_2.c: Likewise.
* gcc.target/i386/l_fma_float_3.c: Likewise.
* gcc.target/i386/l_fma_float_4.c: Likewise.
* gcc.target/i386/l_fma_float_5.c: Likewise.
* gcc.target/i386/l_fma_float_6.c: Likewise.
* gcc.target/i386/mask-pack.c: Likewise.
* gcc.target/i386/mask-unpack.c: Likewise.
* gfortran.dg/vect/vect-4.f90: Likewise.

From-SVN: r277659

5 years agoCheck precondition for std::ssize(const Container&)
Jonathan Wakely [Thu, 31 Oct 2019 09:39:48 +0000 (09:39 +0000)]
Check precondition for std::ssize(const Container&)

This precondition is the subject of a national body comment on the C++20
CD. This just adds a test to ensure we enforce the precondition.

Also move existing 24_iterator/range_access*.cc tests to a dedicated
directory for the [iterator.range] subclause.

* testsuite/24_iterators/range_access*.cc: Move to ...
* testsuite/24_iterators/range_access/range_access*.cc: ... here.
* testsuite/24_iterators/range_access/range_access_cpp20_neg.cc: New
test.

From-SVN: r277658

5 years agoRemove missing usage of cgraph_local_info in arm,bfin and c6x.
Martin Liska [Thu, 31 Oct 2019 08:52:31 +0000 (09:52 +0100)]
Remove missing usage of cgraph_local_info in arm,bfin and c6x.

2019-10-31  Martin Liska  <mliska@suse.cz>

* config/arm/arm.c (arm_get_pcs_model): Remove usage
of cgraph_local_info and use local_info_node instead.
* config/bfin/bfin.c (bfin_load_pic_reg): Likewise.
(bfin_function_ok_for_sibcall): Likewise.
* config/c6x/c6x.c (c6x_function_ok_for_sibcall): Likewise.
(must_reload_pic_reg_p): Likewise.

From-SVN: r277657

5 years agore PR c++/90947 (Simple lookup table of array of strings is miscompiled)
Jakub Jelinek [Thu, 31 Oct 2019 07:10:57 +0000 (08:10 +0100)]
re PR c++/90947 (Simple lookup table of array of strings is miscompiled)

PR c++/90947
* tree.h (type_initializer_zero_p): Remove.
* tree.c (type_initializer_zero_p): Remove.
cp/
* cp-tree.h (type_initializer_zero_p): Declare.
* decl.c (reshape_init_array_1): Formatting fix.
* tree.c (type_initializer_zero_p): New function.  Moved from
../tree.c, use next_initializable_field, formatting fix.  Return
false for TYPE_NON_AGGREGATE_CLASS types.

From-SVN: r277656

5 years agoPR c++/84810 - constraints on lambdas
Jeff Chapman II [Thu, 31 Oct 2019 02:31:48 +0000 (22:31 -0400)]
PR c++/84810 - constraints on lambdas

Attached is a patch that adds parsing of the optional requires-clause in a
lambda-expression and lambda-declarator. Additionally, shorthand constraints
from the template-parameter-list are now actually applied and constrain the
synthesized operator().

Previously we were not parsing the requires clauses at all and not saving
the shorthand constraints in the place expected by grokfndecl.

The trailing requires-clause is now also used to suppress synthesis of the
conversion to function pointer for non-capturing non-generic lambdas as per
expr.prim.lambda.closure/7.

This includes a fix to template_class_depth. Previously it was computing the
wrong depth for lambdas in the initializer of a static member of a class
template, exhibited by the concepts-lambda4 test which currently fails on
trunk. The bug was causing grokfndecl to use the constraints from the
template class for the lambda.

gcc/cp/
2019-10-30  Jeff Chapman II  <jchapman@lock3software.com>

PR c++/84810 - constraints on lambdas
* lambda.c (maybe_add_lambda_conv_op): Do not synthesize
conversion if the call operator does not satisfy its constraints.
* parser.c (cp_parser_lambda_declarator_opt): Parse
requires-clause on generic lambdas; combine with shorthand
constraints. Parse trailing requires-clause and attach to the
synthesized call operator.
* pt.c (template_class_depth): Only inspect
LAMBDA_TYPE_EXTRA_SCOPE if it is present. This fixes an
incorrect depth calculation for lambdas inside the initializer
of a static data member of a template class.

gcc/testsuite/
2019-10-30  Jeff Chapman II  <jchapman@lock3software.com>

PR c++/84810 - constraints on lambdas
* g++.dg/cpp2a/concepts-lambda2.C: New test.
* g++.dg/cpp2a/concepts-lambda3.C: Ditto.
* g++.dg/cpp2a/concepts-lambda4.C: Ditto.
* g++.dg/cpp2a/concepts-pr84810.C: Ditto.

From-SVN: r277655

5 years agoPR c++/92268 - hard error satisfying return-type-requirement
Jason Merrill [Thu, 31 Oct 2019 02:01:16 +0000 (22:01 -0400)]
PR c++/92268 - hard error satisfying return-type-requirement

Previously we would put the template arguments for the concept-check in a
TEMPLATE_ID and then also pass them to constraints_satisfied_p, which meant
that we would try to normalize the concept-check with the fully instantiated
arguments, leading to sadness.  Simply not passing the args to
constraints_satisfied_p fixes the problem.

I also noticed that we weren't detecting substitution failure in the
constraints, but were silently treating it as success.

* constraint.cc (type_deducible_p): Check for substitution failure.
(diagnose_compound_requirement): Adjust diagnostic.
* pt.c (do_auto_deduction): Don't pass cargs to
constraints_satisfied_p.

From-SVN: r277654

5 years agoDaily bump.
GCC Administrator [Thu, 31 Oct 2019 00:16:23 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r277653

5 years agoPR c++/91369 - Implement P0784R7: constexpr new
Jakub Jelinek [Wed, 30 Oct 2019 21:55:12 +0000 (22:55 +0100)]
PR c++/91369 - Implement P0784R7: constexpr new

PR c++/91369 - Implement P0784R7: constexpr new
* constexpr.c (cxx_replaceable_global_alloc_fn): Don't return true
for placement new.
(cxx_placement_new_fn, is_std_construct_at): New functions.
(cxx_eval_call_expression): Allow placement new in std::construct_at.
(potential_constant_expression_1): Likewise.

* g++.dg/cpp2a/constexpr-new5.C: New test.

From-SVN: r277649

5 years agotypeck.c (decl_in_std_namespace_p): Return true also for decls in inline namespaces...
Jakub Jelinek [Wed, 30 Oct 2019 21:53:37 +0000 (22:53 +0100)]
typeck.c (decl_in_std_namespace_p): Return true also for decls in inline namespaces inside of std namespace.

* typeck.c (decl_in_std_namespace_p): Return true also for decls
in inline namespaces inside of std namespace.

* g++.dg/cpp0x/Wpessimizing-move6.C: New test.

From-SVN: r277648

5 years agore PR c++/92024 (crash in check_local_shadow)
Bernd Edlinger [Wed, 30 Oct 2019 20:29:21 +0000 (20:29 +0000)]
re PR c++/92024 (crash in check_local_shadow)

2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.texi (-Wshadow, -Wshadow=global
        -Wshadow=local, -Wshadow=compatible-local): Update documentation.

cp:
2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92024
        * name-lookup.c (check_local_shadow): Shadowing TYPE_DECLs
        is always a -Wshadow=compatible-local warning, unless
        -Wshadow is used.

testsuite:
2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92024
        * g++.dg/parse/crash70.C: New test.
        * c-c++-common/Wshadow-1.c: New test.

From-SVN: r277643

5 years agoFortran] PR 92208 don't use function-result dummy variable as actual argument
Tobias Burnus [Wed, 30 Oct 2019 20:01:36 +0000 (20:01 +0000)]
Fortran] PR 92208 don't use function-result dummy variable as actual argument

        PR fortran/92208
        * trans-array.c (gfc_conv_array_parameter): Only copy
        string-length backend_decl if expression is not a function.

        PR fortran/92208
        * gfortran.dg/pr92208.f90: New.

From-SVN: r277639

5 years ago* cxx-pretty-print.c (get_fold_operator): Use OVL_OP_INFO.
Jason Merrill [Wed, 30 Oct 2019 19:34:20 +0000 (15:34 -0400)]
* cxx-pretty-print.c (get_fold_operator): Use OVL_OP_INFO.

From-SVN: r277637

5 years agoPR c++/92134 - constinit malfunction in static data member.
Marek Polacek [Wed, 30 Oct 2019 18:49:59 +0000 (18:49 +0000)]
PR c++/92134 - constinit malfunction in static data member.

I wasn't properly setting LOOKUP_CONSTINIT in grokfield and so we didn't
detect a non-const initializer.

* decl2.c (grokfield): Set LOOKUP_CONSTINIT.

* g++.dg/cpp2a/constinit14.C: New test.

From-SVN: r277636

5 years agoUse if-constexpr instead of overloading for customization point
Jonathan Wakely [Wed, 30 Oct 2019 17:42:04 +0000 (17:42 +0000)]
Use if-constexpr instead of overloading for customization point

This combines two of the std::ranges::swap.operator() overloads into a
single function template. Using if-constexpr to choose between
implementations should give the compiler less work to do than using
overloading.

* include/std/concepts (std::ranges::swap): Use a single overload for
the non-array cases, and switch using if-constexpr.

From-SVN: r277635

5 years agoFix another compilation error with Clang
Jonathan Wakely [Wed, 30 Oct 2019 16:57:19 +0000 (16:57 +0000)]
Fix another compilation error with Clang

* include/bits/stl_iterator.h (__normal_iterator::iterator_concept):
Guard with __cpp_lib_concepts macro.

From-SVN: r277634

5 years agoFix some missing/incorrect feature test macros
Jonathan Wakely [Wed, 30 Oct 2019 16:57:13 +0000 (16:57 +0000)]
Fix some missing/incorrect feature test macros

* include/std/bit (__cpp_lib_bitops): Define.
* include/std/version (__cpp_lib_constexpr): Remove.
(__cpp_lib_bitops, __cpp_lib_constexpr_dynamic_alloc): Define.
* testsuite/26_numerics/bit/header.cc: New test.
* testsuite/26_numerics/bit/header-2.cc: New test.
* testsuite/20_util/allocator_traits/header.cc: New test.
* testsuite/20_util/allocator_traits/header-2.cc: New test.

From-SVN: r277633

5 years ago[C++ PATCH] Feature macros are long
Nathan Sidwell [Wed, 30 Oct 2019 16:34:13 +0000 (16:34 +0000)]
[C++ PATCH] Feature macros are long

https://gcc.gnu.org/ml/gcc-patches/2019-10/msg02157.html
* c-cppbuiltin.c (c_cpp_builtins): Add 'L' suffix to feature
macros.

From-SVN: r277632

5 years agoFortran/OpenMP] Don't create "alloc:" for 'target exit data'
Tobias Burnus [Wed, 30 Oct 2019 16:32:38 +0000 (16:32 +0000)]
Fortran/OpenMP] Don't create "alloc:" for 'target exit data'

        gcc/
        * gimplify.c (gimplify_scan_omp_clauses): Remove FE-generated
        GOMP_MAP_TO_PSET and GOMP_MAP_POINTER mapping for 'target update'
        and 'target exit data'.

        libgomp/
        * testsuite/libgomp.fortran/target9.f90: New.

From-SVN: r277631

5 years agoRemove some more using-declarations from namespace __gnu_cxx
Jonathan Wakely [Wed, 30 Oct 2019 15:48:23 +0000 (15:48 +0000)]
Remove some more using-declarations from namespace __gnu_cxx

Similar to some recent patches, this removes using-declarations for
names from namespace std, so that they are not redeclared in __gnu_cxx.

* include/bits/stl_iterator.h (namespace __gnu_cxx): Remove
using-declarations for std::iterator and std::iterator_traits.
(__gnu_cxx::__normal_iterator): Qualify iterator_traits.
* include/ext/algorithm (namespace __gnu_cxx): Remove
using-declarations for std names and qualify those names when used.
Also refer to std::min in parentheses to protect against function-like
macros.
* include/ext/rc_string_base.h: Qualify iterator_traits.
* include/ext/sso_string_base.h: Qualify iterator_traits.

From-SVN: r277630

5 years agoApply C++20 changes to various iterator types
Jonathan Wakely [Wed, 30 Oct 2019 15:48:11 +0000 (15:48 +0000)]
Apply C++20 changes to various iterator types

This ensures that __normal_iterator<T*, C> satisfies the
contiguous_iterator concept, by defining the iterator_concept member
type.

Also update vector<bool>'s iterators, reverse_iterator,
istreambuf_iterator and ostreambuf_iterator to meet the C++20
requirements.

PR libstdc++/92272
* include/bits/stl_bvector.h (_Bit_iterator::pointer)
(_Bit_const_iterator::pointer): Define as void for C++20.
* include/bits/stl_iterator.h (reverse_iterator::operator->()): Add
constraints for C++20.
(__normal_iterator::iterator_concept): Define for C++20.
* include/bits/streambuf_iterator.h (istreambuf_iterator::pointer):
Define as void for C++20.
(ostreambuf_iterator::difference_type): Define as ptrdiff_t for C++20.
(ostreambuf_iterator::ostreambuf_iterator()): Add default constructor
for C++20.
* testsuite/23_containers/vector/bool/iterator_c++20.cc: New test.
* testsuite/24_iterators/bidirectional/concept.cc: New test.
* testsuite/24_iterators/bidirectional/tag.cc: New test.
* testsuite/24_iterators/contiguous/concept.cc: New test.
* testsuite/24_iterators/contiguous/tag.cc: New test.
* testsuite/24_iterators/forward/concept.cc: New test.
* testsuite/24_iterators/forward/tag.cc: New test.
* testsuite/24_iterators/input/concept.cc: New test.
* testsuite/24_iterators/input/tag.cc: New test.
* testsuite/24_iterators/istreambuf_iterator/requirements/typedefs.cc:
New test.
* testsuite/24_iterators/ostreambuf_iterator/requirements/typedefs.cc:
New test.
* testsuite/24_iterators/output/concept.cc: New test.
* testsuite/24_iterators/output/tag.cc: New test.
* testsuite/24_iterators/random_access/concept.cc: New test.
* testsuite/24_iterators/random_access/tag.cc: New test.
* testsuite/24_iterators/range_operations/advance_debug_neg.cc: New
test.
* testsuite/24_iterators/random_access_iterator/26020.cc: Move to ...
* testsuite/24_iterators/operations/26020.cc: ... here.
* testsuite/24_iterators/random_access_iterator/
string_vector_iterators.cc: Move to ...
* testsuite/24_iterators/random_access/string_vector_iterators.cc: ...
here.

From-SVN: r277629

5 years agoFix typo in preprocessor check
Jonathan Wakely [Wed, 30 Oct 2019 15:47:39 +0000 (15:47 +0000)]
Fix typo in preprocessor check

* testsuite/util/testsuite_iterators.h: Fix typo in __cplusplus check.

From-SVN: r277628

5 years agoEdges to interposable calles are possibly_call_in_translation_unit_p
Martin Jambor [Wed, 30 Oct 2019 15:47:29 +0000 (16:47 +0100)]
Edges to interposable calles are possibly_call_in_translation_unit_p

2019-10-30  Martin Jambor  <mjambor@suse.cz>

ipa/92278
* cgraph.c (cgraph_edge::possibly_call_in_translation_unit_p): Fix
availability comparison.

From-SVN: r277627

5 years agomsp430.c (msp430_expand_helper): Support expansion of calls to __mspabi_mpy* functions.
Jozef Lawrynowicz [Wed, 30 Oct 2019 14:15:02 +0000 (14:15 +0000)]
msp430.c (msp430_expand_helper): Support expansion of calls to __mspabi_mpy* functions.

2019-10-30  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

* config/msp430/msp430.c (msp430_expand_helper): Support expansion of
calls to __mspabi_mpy* functions.
* config/msp430/msp430.md (mulhisi3): New define_expand.
(umulhisi3): New define_expand.
(*mulhisi3_inline): Use old mulhisi3 define_insn.
(*umulhisi3_inline): Use old umulhisi3 define_insn.

From-SVN: r277624

5 years agomsp430.c (msp430_check_index_not_high_mem): New.
Jozef Lawrynowicz [Wed, 30 Oct 2019 14:01:12 +0000 (14:01 +0000)]
msp430.c (msp430_check_index_not_high_mem): New.

gcc/ChangeLog:

2019-10-30  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

* config/msp430/msp430.c (msp430_check_index_not_high_mem): New.
(msp430_check_plus_not_high_mem): New.
(msp430_op_not_in_high_mem): Use new functions to check if the operand
might be in low memory.
Indicate that a 16-bit absolute address is in lower memory.

gcc/testsuite/ChangeLog:

2019-10-30  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

* gcc.target/msp430/mlarge-use-430-insn.c: New test.

From-SVN: r277623

5 years agoFix a call to ultimate_alias_target
Martin Jambor [Wed, 30 Oct 2019 13:57:14 +0000 (14:57 +0100)]
Fix a call to ultimate_alias_target

2019-10-30  Martin Jambor  <mjambor@suse.cz>

* ipa-prop.c (ipa_compute_jump_functions_for_bb): Fix the call to
ultimate_alias_target.

From-SVN: r277622

5 years agore PR tree-optimization/92275 (ICE: error: definition in block 11 does not dominate...
Richard Biener [Wed, 30 Oct 2019 13:52:27 +0000 (13:52 +0000)]
re PR tree-optimization/92275 (ICE: error: definition in block 11 does not dominate use in block 15 since r277566)

2019-10-30  Richard Biener  <rguenther@suse.de>

PR tree-optimization/92275
* tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_loops):
Copy all loop-closed PHIs.

* gcc.dg/torture/pr92275.c: New testcase.

From-SVN: r277621

5 years ago* g++.dg/gomp/declare-variant-6.C: New test.
Jakub Jelinek [Wed, 30 Oct 2019 12:17:16 +0000 (13:17 +0100)]
* g++.dg/gomp/declare-variant-6.C: New test.

From-SVN: r277620

5 years agoUse const_tree more in IPA ICF.
Martin Liska [Wed, 30 Oct 2019 12:03:12 +0000 (13:03 +0100)]
Use const_tree more in IPA ICF.

2019-10-30  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::compare_ssa_name): Use
const_tree as function argument.
(func_checker::compare_decl): Likewise.
(func_checker::operand_equal_p): Likewise.
(func_checker::compare_variable_decl): Likewise.
(func_checker::parse_labels): Likewise.
* ipa-icf-gimple.h: Likewise.

From-SVN: r277619

5 years agoRemove alias set comparison.
Martin Liska [Wed, 30 Oct 2019 12:03:00 +0000 (13:03 +0100)]
Remove alias set comparison.

2019-10-30  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::compatible_types_p):
Do not compare alias sets.  It's handled by operand_equal_p.
2019-10-30  Martin Liska  <mliska@suse.cz>

* c-c++-common/Wstringop-truncation-4.c: Disable IPA ICF.
* gcc.dg/tree-ssa/pr64910-2.c: Likewise.
* gcc.dg/tree-ssa/pr79352.c: Likewise.

From-SVN: r277618

5 years agoRemove comparison for polymorphic types.
Martin Liska [Wed, 30 Oct 2019 12:02:17 +0000 (13:02 +0100)]
Remove comparison for polymorphic types.

2019-10-30  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::func_checker): Do not
initialize m_compare_polymorphic.
(func_checker::compare_decl): Do not compare polymorphic types.
* ipa-icf-gimple.h (m_compare_polymorphic): Remove.
* ipa-icf.c (sem_function::equals_private): Do not call
compare_polymorphic_p.

From-SVN: r277617

5 years agoIPA ICF: remove dead code
Martin Liska [Wed, 30 Oct 2019 12:01:45 +0000 (13:01 +0100)]
IPA ICF: remove dead code

2019-10-30  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::compare_ssa_name): Call
compare_operand.
(func_checker::compare_memory_operand): Remove.
(func_checker::compare_cst_or_decl): Remove.
(func_checker::operand_equal_valueize): Do not handle
FIELD_DECL.
(func_checker::compare_gimple_call): Call compare_operand.
(func_checker::compare_gimple_assign): Likewise.
* ipa-icf-gimple.h: Remove compare_cst_or_decl.
* ipa-icf.c (sem_function::icf_handled_component_p): Remove.
* ipa-icf.h (icf_handled_component_p): Remove.

From-SVN: r277616

5 years agoIntegrate that for IPA ICF.
Martin Liska [Wed, 30 Oct 2019 12:01:25 +0000 (13:01 +0100)]
Integrate that for IPA ICF.

2019-10-30  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.c (func_checker::hash_operand): New.
(func_checker::compare_cst_or_decl): Remove handling
of FIELD_DECL.
(func_checker::compare_operand): Transform to ...
(func_checker::operand_equal_p): ... this.
* ipa-icf-gimple.h (class func_checker): Add
operand_equal_p and hash_operand.
* ipa-icf.c (sem_function::equals_private): Fix
pushing and popping of cfun.

From-SVN: r277615

5 years agoCome up with an abstraction.
Martin Liska [Wed, 30 Oct 2019 12:01:03 +0000 (13:01 +0100)]
Come up with an abstraction.

2019-10-30  Martin Liska  <mliska@suse.cz>

* fold-const.c (operand_equal_p): Move to ...
(operand_compare::operand_equal_p): ... here.
(operand_compare::verify_hash_value): New.
(add_expr): Move to ...
(operand_compare::hash_operand): ... here.
* fold-const.h (operand_equal_p): Move to the class.
(class operand_compare): New.
* tree.c (add_expr): Remove.

From-SVN: r277614

5 years agocp-tree.h (omp_declare_variant_finalize, [...]): Declare.
Jakub Jelinek [Wed, 30 Oct 2019 11:58:03 +0000 (12:58 +0100)]
cp-tree.h (omp_declare_variant_finalize, [...]): Declare.

* cp-tree.h (omp_declare_variant_finalize, build_local_temp): Declare.
* decl.c: Include omp-general.h.
(declare_simd_adjust_this): Add forward declaration.
(omp_declare_variant_finalize_one, omp_declare_variant_finalize): New
function.
(cp_finish_decl, finish_function): Call omp_declare_variant_finalize.
* parser.c (cp_finish_omp_declare_variant): Adjust parsing of the
variant id-expression and propagate enough information to
omp_declare_variant_finalize_one in the attribute so that it can
finalize it.
* class.c (finish_struct): Call omp_declare_variant_finalize.
* tree.c (build_local_temp): No longer static, remove forward
declaration.

* c-c++-common/gomp/declare-variant-2.c: Add a test with , before
match clause.
* c-c++-common/gomp/declare-variant-6.c: Expect diagnostics also from
C++ FE and adjust regexp so that it handles C++ pretty printing of
function names.
* g++.dg/gomp/declare-variant-1.C: New test.
* g++.dg/gomp/declare-variant-2.C: New test.
* g++.dg/gomp/declare-variant-3.C: New test.
* g++.dg/gomp/declare-variant-4.C: New test.
* g++.dg/gomp/declare-variant-5.C: New test.

From-SVN: r277613

5 years agooperand_equal_p: add support for OBJ_TYPE_REF.
Martin Liska [Wed, 30 Oct 2019 11:56:58 +0000 (12:56 +0100)]
operand_equal_p: add support for OBJ_TYPE_REF.

2019-10-30  Martin Liska  <mliska@suse.cz>

* fold-const.c (operand_equal_p): Support OBJ_TYPE_REF.
* tree.c (add_expr): Hash parts of OBJ_TYPE_REF.

From-SVN: r277612

5 years agotypeck.c (cp_build_modify_expr): Prefer error + inform to error + error in one place.
Paolo Carlini [Wed, 30 Oct 2019 11:49:21 +0000 (11:49 +0000)]
typeck.c (cp_build_modify_expr): Prefer error + inform to error + error in one place.

/cp
2019-10-30  Paolo Carlini  <paolo.carlini@oracle.com>

* typeck.c (cp_build_modify_expr): Prefer error + inform to
error + error in one place.
(get_delta_difference_1): Likewise.
(get_delta_difference): Likewise, in two places.

/testsuite
2019-10-30  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/conversion/ptrmem2.C: Adjust for error + inform.
* g++.dg/gomp/tpl-atomic-2.C: Likewise.

From-SVN: r277610

5 years agolibgomp/testsuite – use 'stop'
Tobias Burnus [Wed, 30 Oct 2019 11:44:54 +0000 (11:44 +0000)]
libgomp/testsuite – use 'stop'

libgomp/
* testsuite/libgomp.fortran/: Replace 'STOP' by 'stop'.

From-SVN: r277609

5 years agoUse symtab_node::order in LTO sections with body.
Martin Liska [Wed, 30 Oct 2019 10:38:52 +0000 (11:38 +0100)]
Use symtab_node::order in LTO sections with body.

2019-10-30  Martin Liska  <mliska@suse.cz>

PR lto/91393
PR lto/88220
* cgraph.c (cgraph_node::get_create): Overwrite node->order
from a first_clone in order to get proper LTO section
in LTO stream.
(cgraph_node::get_untransformed_body):
Use lto_get_section_data where symtab_node::order
must be provided.
* cgraphclones.c (cgraph_node::find_replacement):
Update also symbol order.
* ipa-fnsummary.c (ipa_fn_summary_read):
Use new function lto_get_summary_section_data.
* ipa-hsa.c (ipa_hsa_read_summary): Likewise.
* ipa-icf.c (sem_item_optimizer::read_summary):
Likewise.
* ipa-prop.c (ipa_prop_read_jump_functions):
Likewise.
(ipcp_read_transformation_summaries): Likewise.
* ipa-sra.c (ipa_sra_read_summary): Likewise.
* lto-cgraph.c (input_node): Add also order_base.
(input_varpool_node): Likewise.
(input_cgraph_1): Assign the order_base.
(input_cgraph_opt_summary): Use new lto_get_summary_section_data.
* lto-opts.c (lto_write_options): Pass new argument.
* lto-section-in.c (lto_get_section_data): Add new argumente order.
(lto_get_summary_section_data): New.
(lto_get_raw_section_data): Add order argument.
(lto_create_simple_input_block): Likewise.
* lto-section-out.c (lto_destroy_simple_output_block):
Likewise.
* lto-streamer-in.c (lto_input_toplevel_asms):
Use lto_get_summary_section_data.
(lto_input_mode_table): Likewise.
* lto-streamer-out.c (produce_asm): Pass symtab_node::order.
(lto_output_toplevel_asms): Pass new argument.
(copy_function_or_variable): Likewise.
(produce_lto_section):Likewise.
(produce_symtab): Likewise.
(lto_write_mode_table): Likewise.
(produce_asm_for_decls): Likewise.
* lto-streamer.c (lto_get_section_name): Concat symbol name
and symbol order.
* lto-streamer.h (lto_get_section_data): Add order argument.
(lto_get_summary_section_data): New.
(lto_get_raw_section_data): Add order argument.
(lto_get_section_name): Likewise.
* varpool.c (varpool_node::get_constructor): Pass order argument.
2019-10-30  Martin Liska  <mliska@suse.cz>

PR lto/91393
PR lto/88220
* lto-common.c (lto_file_finalize): Use lto_get_summary_section_data.
(get_section_data): Add order argument.
2019-10-30  Martin Liska  <mliska@suse.cz>

PR lto/91393
PR lto/88220
* gcc.dg/lto/pr91393_0.c: New test.

From-SVN: r277607

5 years agolibgomp/testsuite – use 'stop' and 'dg-do run'
Tobias Burnus [Wed, 30 Oct 2019 10:33:58 +0000 (10:33 +0000)]
libgomp/testsuite – use 'stop' and 'dg-do run'

        libgomp/
        * testsuite/libgomp.fortran/target-simd.f90: Use stop not abort.
        * testsuite/libgomp.fortran/use_device_ptr-optional-1.f90:
        Ditto; add 'dg-do run' for torture testing.
        * testsuite/libgomp.fortran/lastprivate1.f90:  Add 'dg-do run'.
        * testsuite/libgomp.fortran/lastprivate2.f90: Ditto.
        * testsuite/libgomp.fortran/nestedfn4.f90: Ditto.
        * testsuite/libgomp.fortran/pr25219.f90: Ditto.
        * testsuite/libgomp.fortran/pr28390.f: Ditto.
        * testsuite/libgomp.fortran/pr35130.f90: Ditto.
        * testsuite/libgomp.fortran/pr90779.f90: Ditto.
        * testsuite/libgomp.fortran/task2.f90: Ditto.
        * testsuite/libgomp.fortran/taskgroup1.f90: Ditto.
        * testsuite/libgomp.fortran/taskloop1.f90: Ditto.
        * testsuite/libgomp.fortran/use_device_addr-1.f90: Ditto.
        * testsuite/libgomp.fortran/use_device_addr-2.f90: Ditto.
        * testsuite/libgomp.fortran/workshare1.f90: Ditto.
        * testsuite/libgomp.fortran/workshare2.f90: Ditto.

From-SVN: r277606

5 years agore PR tree-optimization/92262 (ICE: verify_gimple failed (error: incorrect sharing...
Jakub Jelinek [Wed, 30 Oct 2019 09:52:01 +0000 (10:52 +0100)]
re PR tree-optimization/92262 (ICE: verify_gimple failed (error: incorrect sharing of tree nodes))

PR tree-optimization/92262
* tree-ssa-loop-ivopts.c (get_debug_computation_at): Don't unshare
ubase or cbase here.
(remove_unused_ivs): Unshare comp before using it.

* g++.dg/opt/pr92262.C: New test.

From-SVN: r277605

5 years agoipa-prop.c (update_jump_functions_after_inlining): Watch for missing summaries.
Jan Hubicka [Wed, 30 Oct 2019 09:25:18 +0000 (10:25 +0100)]
ipa-prop.c (update_jump_functions_after_inlining): Watch for missing summaries.

* ipa-prop.c (update_jump_functions_after_inlining):
Watch for missing summaries.

From-SVN: r277604

5 years agore PR tree-optimization/65930 (Reduction with sign-change not handled)
Richard Biener [Wed, 30 Oct 2019 09:21:09 +0000 (09:21 +0000)]
re PR tree-optimization/65930 (Reduction with sign-change not handled)

2019-10-30  Richard Biener  <rguenther@suse.de>

PR tree-optimization/65930
* tree-vect-loop.c (vect_is_simple_reduction): For reduction
chains also allow a leading and trailing conversion.
* tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
intermediate reduction chains.
(vect_analyze_slp_instance): Likewise.  Build a SLP
node for a trailing conversion manually.

* gcc.dg/vect/pr65930-2.c: New testcase.

From-SVN: r277603

5 years agoSuppress warning with -Wno-overwrite-recursive.
Mark Eggleston [Wed, 30 Oct 2019 08:37:29 +0000 (08:37 +0000)]
Suppress warning with -Wno-overwrite-recursive.

The use of -fno-automatic with -frecursive results in a warning implying
that recursion will not work. If all relevant local variable have the
automatic attribute explicitly declared recursion does work and the warning
is redundant.

From-SVN: r277602

5 years agoRemove cgraph_local_info structure.
Martin Liska [Wed, 30 Oct 2019 07:56:22 +0000 (08:56 +0100)]
Remove cgraph_local_info structure.

2019-10-30  Martin Liska  <mliska@suse.cz>

* cgraph.c (cgraph_node::local_info): Transform to ...
(cgraph_node::local_info_node): ... this.
(cgraph_node::dump): Remove cgraph_local_info and
put its fields directly into cgraph_node.
(cgraph_node::get_availability): Likewise.
(cgraph_node::make_local): Likewise.
(cgraph_node::verify_node): Likewise.
* cgraph.h (struct GTY): Likewise.
* cgraphclones.c (set_new_clone_decl_and_node_flags): Likewise.
(duplicate_thunk_for_node): Likewise.
(cgraph_node::create_clone): Likewise.
(cgraph_node::create_virtual_clone): Likewise.
(cgraph_node::create_version_clone): Likewise.
* cgraphunit.c (cgraph_node::reset): Likewise.
(cgraph_node::finalize_function): Likewise.
(cgraph_node::add_new_function): Likewise.
(analyze_functions): Likewise.
* combine.c (setup_incoming_promotions): Likewise.
* config/i386/i386.c (ix86_function_regparm): Likewise.
(ix86_function_sseregparm): Likewise.
(init_cumulative_args): Likewise.
* ipa-cp.c (determine_versionability): Likewise.
(count_callers): Likewise.
(set_single_call_flag): Likewise.
(initialize_node_lattices): Likewise.
(estimate_local_effects): Likewise.
(create_specialized_node): Likewise.
(identify_dead_nodes): Likewise.
* ipa-fnsummary.c (compute_fn_summary): Likewise.
(ipa_fn_summary_generate): Likewise.
* ipa-hsa.c (check_warn_node_versionable): Likewise.
(process_hsa_functions): Likewise.
* ipa-icf.c (set_local): Likewise.
* ipa-inline-analysis.c (initialize_inline_failed): Likewise.
* ipa-inline.c (speculation_useful_p): Likewise.
* ipa-profile.c (ipa_propagate_frequency): Likewise.
(ipa_profile): Likewise.
* ipa-split.c (split_function): Likewise.
(execute_split_functions): Likewise.
* ipa-sra.c (ipa_sra_preliminary_function_checks): Likewise.
(ipa_sra_ipa_function_checks): Likewise.
* ipa-visibility.c (function_and_variable_visibility): Likewise.
* ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
* lto-cgraph.c (lto_output_node): Likewise.
(input_overwrite_node): Likewise.
* multiple_target.c (expand_target_clones): Likewise.
* omp-simd-clone.c (simd_clone_create): Likewise.
* trans-mem.c (expand_call_tm): Likewise.
(ipa_tm_mayenterirr_function): Likewise.
(ipa_tm_diagnose_tm_safe): Likewise.
(ipa_tm_diagnose_transaction): Likewise.
(ipa_tm_create_version): Likewise.
(ipa_tm_transform_calls_redirect): Likewise.
(ipa_tm_execute): Likewise.
* tree-inline.c (expand_call_inline): Likewise.

From-SVN: r277601

5 years agoRemove cgraph_global_info.
Martin Liska [Wed, 30 Oct 2019 07:55:39 +0000 (07:55 +0000)]
Remove cgraph_global_info.

From-SVN: r277600

5 years agoDaily bump.
GCC Administrator [Wed, 30 Oct 2019 00:17:00 +0000 (00:17 +0000)]
Daily bump.

From-SVN: r277599

5 years agotypeck.c (build_x_unary_op): Use the location_t argument in three error_at.
Paolo Carlini [Tue, 29 Oct 2019 22:31:08 +0000 (22:31 +0000)]
typeck.c (build_x_unary_op): Use the location_t argument in three error_at.

/cp
2019-10-29  Paolo Carlini  <paolo.carlini@oracle.com>

* typeck.c (build_x_unary_op): Use the location_t argument in
three error_at.

/testsuite
2019-10-29  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/other/ptrmem8.C: Test locations too.
* g++.dg/template/dtor6.C: Likewise.

From-SVN: r277595

5 years agoPR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
Marek Polacek [Tue, 29 Oct 2019 21:06:21 +0000 (21:06 +0000)]
PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.

After r269667 which introduced joust_maybe_elide_copy, in C++17 we can elide
a constructor if it uses a conversion function that returns a prvalue, and
use the conversion function in its stead.

This eliding means that if we have a candidate that previously didn't have
->second_conv, it can have it after the elision.  This confused the
-Wconversion warning because it was assuming that if cand1->second_conv is
non-null, so is cand2->second_conv.  Here cand1->second_conv was non-null
but cand2->second_conv remained null, so it crashed in compare_ics.

I checked with clang that both compilers call A::operator B() in C++17 and
B::B(A const &) otherwise.

* call.c (joust): Don't attempt to warn if ->second_conv is null.

* g++.dg/cpp0x/overload-conv-4.C: New test.

From-SVN: r277593

5 years agore PR c++/92201 (ICE: ‘verify_gimple’ failed with -std=c++2a)
Jakub Jelinek [Tue, 29 Oct 2019 20:58:47 +0000 (21:58 +0100)]
re PR c++/92201 (ICE: ‘verify_gimple’ failed with -std=c++2a)

PR c++/92201
* cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
function pointer type, re-add cast to the original one.

* g++.dg/other/pr92201.C: New test.

From-SVN: r277592

5 years agoPR c++/91548 - fix detecting modifying const objects for ARRAY_REF.
Marek Polacek [Tue, 29 Oct 2019 20:34:43 +0000 (20:34 +0000)]
PR c++/91548 - fix detecting modifying const objects for ARRAY_REF.

This fixes a bogus "modifying a const object" error for an array that actually
isn't declared const.  The problem was how I handled ARRAY_REFs here; we
shouldn't look at the ARRAY_REF itself, but at the array its accessing.

* constexpr.c (cxx_eval_store_expression): Don't call
modifying_const_object_p for ARRAY_REF.

* g++.dg/cpp1y/constexpr-tracking-const15.C: New test.
* g++.dg/cpp1y/constexpr-tracking-const16.C: New test.
* g++.dg/cpp1z/constexpr-tracking-const1.C: New test.

From-SVN: r277591

5 years agoFix compilation errors with Clang
Jonathan Wakely [Tue, 29 Oct 2019 20:17:02 +0000 (20:17 +0000)]
Fix compilation errors with Clang

* include/bits/range_access.h (ranges::disable_sized_range)
(ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
(ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
(ranges::size, ranges::empty, ranges::data, ranges::cdata)
(ranges::range, ranges::sized_range, ranges::advance, ranges::distance)
(ranges::next, ranges::prev): Guard with __cpp_lib_concepts.
* include/bits/stl_iterator.h (disable_sized_sentinel): Likewise.

From-SVN: r277589

5 years agoFix compilation errors with Clang
Jonathan Wakely [Tue, 29 Oct 2019 20:16:57 +0000 (20:16 +0000)]
Fix compilation errors with Clang

* include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
Define.
(allocator_traits::_S_construct, allocator_traits::_S_destroy)
(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
_GLIBCXX14_CONSTEXPR instead of constexpr.
* include/bits/stl_construct.h (_Destroy): Likewise.

From-SVN: r277588

5 years agoAdd iterator concepts and range access customization points for C++20
Jonathan Wakely [Tue, 29 Oct 2019 17:44:18 +0000 (17:44 +0000)]
Add iterator concepts and range access customization points for C++20

This adds most of the new C++20 features to <iterator>, as well as a few
initial pieces of <ranges> (but no actual <ranges> header just yet).

* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/iterator_concepts.h: New header.
(contiguous_iterator_tag, iter_reference_t, ranges::iter_move)
(iter_rvalue_reference_t, incrementable_traits, iter_difference_t)
(readable_traits, iter_value_t, readable, iter_common_reference_t)
(writable, waekly_incrementable, incrementable)
(input_or_output_iterator, sentinel_for, disable_sized_sentinel)
(sized_sentinel_for, input_iterator, output_iterator)
(forward_iterator, bidirectional_iterator, random_access_iterator)
(contiguous_iterator, indirectly_unary_invocable)
(indirectly_regular_unary_invocable, indirect_unary_predicate)
(indirect_relation, indirect_strict_weak_order, indirect_result_t)
(projected, indirectly_movable, indirectly_movable_storable)
(indirectly_copyable, indirectly_copyable_storable, ranges::iter_swap)
(indirectly_swappable, indirectly_comparable, permutable, mergeable)
(sortable, unreachable_sentinel_t, unreachable_sentinel)
(default_sentinel_t, default_sentinel): Define.
(__detail::__cpp17_iterator, __detail::__cpp17_input_iterator)
(__detail::__cpp17_fwd_iterator, __detail::__cpp17_bidi_iterator)
(__detail::__cpp17_randacc_iterator): Define.
(__iterator_traits): Define constrained specializations.
* include/bits/move.h (move): Only use old concept check for C++98.
* include/bits/range_access.h (ranges::disable_sized_range)
(ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
(ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
(ranges::size, ranges::empty, ranges::data, ranges::cdata): Define
new customization points for C++20.
(ranges::range, ranges::sized_range): Define new concepts for C++20.
(ranges::advance, ranges::distance, ranges::next, ranges::prev):
Define new functions for C++20.
(__adl_end, __adl_cdata, __adl_cbegin, __adl_cend, __adl_rbegin)
(__adl_rend, __adl_crbegin, __adl_crend, __adl_cdata, __adl_size)
(__adl_empty): Remove.
* include/bits/stl_iterator.h (disable_sized_sentinel): Specialize
for reverse_iterator.
* include/bits/stl_iterator_base_types.h (contiguous_iterator_tag):
Define new struct for C++20.
(iterator_traits<_Tp*>): Constrain partial specialization in C++20.
* include/std/concepts (__is_class_or_enum): Move to __detail
namespace.
* testsuite/20_util/forward/c_neg.cc: Adjust dg-error line number.
* testsuite/20_util/forward/f_neg.cc: Likewise.
* testsuite/24_iterators/associated_types/incrementable.traits.cc: New
test.
* testsuite/24_iterators/associated_types/readable.traits.cc: New test.
* testsuite/24_iterators/contiguous/concept.cc: New test.
* testsuite/24_iterators/contiguous/tag.cc: New test.
* testsuite/24_iterators/customization_points/iter_move.cc: New test.
* testsuite/24_iterators/customization_points/iter_swap.cc: New test.
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: New test.
* testsuite/24_iterators/range_operations/advance.cc: New test.
* testsuite/24_iterators/range_operations/distance.cc: New test.
* testsuite/24_iterators/range_operations/next.cc: New test.
* testsuite/24_iterators/range_operations/prev.cc: New test.
* testsuite/26_numerics/adjacent_difference/requirements/
explicit_instantiation/2.cc: Rename types that conflict with C++20
concepts.
* testsuite/26_numerics/adjacent_difference/requirements/
explicit_instantiation/pod.cc: Likewise.
* testsuite/26_numerics/partial_sum/requirements/
explicit_instantiation/2.cc: Likewise.
* testsuite/26_numerics/partial_sum/requirements/
explicit_instantiation/pod.cc: Likewise.
* testsuite/experimental/iterator/requirements.cc: Likewise.
* testsuite/std/ranges/access/begin.cc: New test.
* testsuite/std/ranges/access/cbegin.cc: New test.
* testsuite/std/ranges/access/cdata.cc: New test.
* testsuite/std/ranges/access/cend.cc: New test.
* testsuite/std/ranges/access/crbegin.cc: New test.
* testsuite/std/ranges/access/crend.cc: New test.
* testsuite/std/ranges/access/data.cc: New test.
* testsuite/std/ranges/access/empty.cc: New test.
* testsuite/std/ranges/access/end.cc: New test.
* testsuite/std/ranges/access/rbegin.cc: New test.
* testsuite/std/ranges/access/rend.cc: New test.
* testsuite/std/ranges/access/size.cc: New test.
* testsuite/util/testsuite_iterators.h (contiguous_iterator_wrapper)
(test_range, test_sized_range): New test utilities.

From-SVN: r277579

5 years agoMinor improvements to testsuite iterator utilities
Jonathan Wakely [Tue, 29 Oct 2019 17:15:04 +0000 (17:15 +0000)]
Minor improvements to testsuite iterator utilities

* testsuite/util/testsuite_iterators.h (BoundsContainer::size()): Add
new member function.
(WritableObject::operator=): Constrain with enable_if when available.
(remove_cv): Use std::remove_if when available.
(test_container::it(int)): Use size().
(test_container::size()): Use BoundsContainer::size().

From-SVN: r277578

5 years agoPR libstdc++/92267 fix ABI change in deque iterators
Jonathan Wakely [Tue, 29 Oct 2019 17:14:55 +0000 (17:14 +0000)]
PR libstdc++/92267 fix ABI change in deque iterators

Defaulting the copy constructor on its first declaration made it change
from user-provided (and non-trivial) to implicitly-defined (and
trivial). This caused an ABI incompatibility between GCC 8 and GCC 9,
where functions taking a deque iterator disagree on the argument passing
convention.

PR libstdc++/92267
* include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
Do not define as defaulted.
* testsuite/23_containers/deque/types/92267.cc: New test.

From-SVN: r277577

5 years agore PR testsuite/92144 (c-c++-common/Warray-bounds-4.c still fails after r277080)
Martin Sebor [Tue, 29 Oct 2019 16:14:18 +0000 (16:14 +0000)]
re PR testsuite/92144 (c-c++-common/Warray-bounds-4.c still fails after r277080)

gcc/testsuite/ChangeLog:

PR testsuite/92144
* c-c++-common/Warray-bounds-4.c: Disable test to avoid failures
due to PR 83543.

From-SVN: r277576

5 years agocp-demangle.c (d_number): Avoid signed int overflow.
Paul Pluzhnikov [Tue, 29 Oct 2019 15:29:59 +0000 (08:29 -0700)]
cp-demangle.c (d_number): Avoid signed int overflow.

2019-10-29 Paul Pluzhnikov  <ppluzhnikov@google.com>

* cp-demangle.c (d_number): Avoid signed int overflow.

From-SVN: r277575

5 years agoPass memory statistics for {symbol,call}_summary.
Martin Liska [Tue, 29 Oct 2019 13:52:57 +0000 (14:52 +0100)]
Pass memory statistics for {symbol,call}_summary.

2019-10-29  Martin Liska  <mliska@suse.cz>

* symbol-summary.h (function_summary): Pass memory location
to underlaying hash_map (or vec).
(V>::fast_function_summary): Likewise.

From-SVN: r277573

5 years agoRelease function and edge summaries allocated with GGC.
Martin Liska [Tue, 29 Oct 2019 13:52:42 +0000 (14:52 +0100)]
Release function and edge summaries allocated with GGC.

2019-10-29  Martin Liska  <mliska@suse.cz>

* ggc.h (ggc_alloc_no_dtor): New function.
* ipa-fnsummary.c (ipa_free_fn_summary): Call
destructor and ggc_free.
(ipa_free_size_summary): Call delete instead
of release.
* ipa-fnsummary.h: Use new function ggc_alloc_no_dtor.
* ipa-prop.c (ipa_check_create_edge_args): Likewise.
(ipa_free_all_edge_args): Call destructor and ggc_free.
(ipa_free_all_node_params): Likewise.
(ipcp_free_transformation_sum): Likewise.
* ipa-prop.h (ipa_check_create_node_params):
Call new ggc_alloc_no_dtor.
* ipa-sra.c (ipa_sra_generate_summary): Likewise.
(ipa_sra_analysis): Call destructor and ggc_free.
Replace release with delete operator.
* symbol-summary.h (release): Remove ..
(V>::~fast_function_summary): and move logic here.
Likewise for other classes.

From-SVN: r277572

5 years agore PR tree-optimization/92260 (ICE in exact_div, at poly-int.h:2162)
Richard Biener [Tue, 29 Oct 2019 13:46:19 +0000 (13:46 +0000)]
re PR tree-optimization/92260 (ICE in exact_div, at poly-int.h:2162)

2019-10-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/92260
* tree-vect-slp.c (vect_get_constant_vectors): Special-case
lane-reducing ops.

* gcc.dg/pr92260.c: New testcase.

From-SVN: r277571

5 years ago[vect]PR 88915: Vectorize epilogues when versioning loops
Andre Vieira [Tue, 29 Oct 2019 13:15:46 +0000 (13:15 +0000)]
[vect]PR 88915: Vectorize epilogues when versioning loops

gcc/ChangeLog:
2019-10-29  Andre Vieira  <andre.simoesdiasvieira@arm.com>

PR 88915
* tree-ssa-loop-niter.h (simplify_replace_tree): Change declaration.
* tree-ssa-loop-niter.c (simplify_replace_tree): Add context parameter
and make the valueize function pointer also take a void pointer.
* gcc/tree-ssa-sccvn.c (vn_valueize_wrapper): New function to wrap
around vn_valueize, to call it without a context.
(process_bb): Use vn_valueize_wrapper instead of vn_valueize.
* tree-vect-loop.c (_loop_vec_info): Initialize epilogue_vinfos.
(~_loop_vec_info): Release epilogue_vinfos.
(vect_analyze_loop_costing): Use knowledge of main VF to estimate
number of iterations of epilogue.
(vect_analyze_loop_2): Adapt to analyse main loop for all supported
vector sizes when vect-epilogues-nomask=1.  Also keep track of lowest
versioning threshold needed for main loop.
(vect_analyze_loop): Likewise.
(find_in_mapping): New helper function.
(update_epilogue_loop_vinfo): New function.
(vect_transform_loop): When vectorizing epilogues re-use analysis done
on main loop and call update_epilogue_loop_vinfo to update it.
* tree-vect-loop-manip.c (vect_update_inits_of_drs): No longer insert
stmts on loop preheader edge.
(vect_do_peeling): Enable skip-vectors when doing loop versioning if
we decided to vectorize epilogues.  Update epilogues NITERS and
construct ADVANCE to update epilogues data references where needed.
* tree-vectorizer.h (_loop_vec_info): Add epilogue_vinfos.
(vect_do_peeling, vect_update_inits_of_drs,
 determine_peel_for_niter, vect_analyze_loop): Add or update
declarations.
* tree-vectorizer.c (try_vectorize_loop_1): Make sure to use already
created loop_vec_info's for epilogues when available.  Otherwise analyse
epilogue separately.

From-SVN: r277569

5 years agotree-ssa.texi (Immediate Uses): Fix FOR_EACH_IMM_USE_STMT example.
Richard Biener [Tue, 29 Oct 2019 11:32:04 +0000 (11:32 +0000)]
tree-ssa.texi (Immediate Uses): Fix FOR_EACH_IMM_USE_STMT example.

2019-10-29  Richard Biener  <rguenther@suse.de>

* doc/tree-ssa.texi (Immediate Uses): Fix FOR_EACH_IMM_USE_STMT
example.

From-SVN: r277568

5 years agoFix reduc_index calculation in vectorizable_condition
Richard Sandiford [Tue, 29 Oct 2019 10:41:45 +0000 (10:41 +0000)]
Fix reduc_index calculation in vectorizable_condition

Fixes ICEs in gcc.target/aarch64/sve/clastb*.

2019-10-29  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
* tree-vect-stmts.c (vectorizable_condition): Get the reduction
index for the COND_EXPR from stmt_info rather than reduc_info.

From-SVN: r277567