2019-04-24 Richard Biener <rguenther@suse.de>
cp/
* call.c (null_ptr_cst_p): Order checks according to expensiveness.
(conversion_null_warnings): Likewise.
* typeck.c (same_type_ignoring_top_level_qualifiers_p): Return
early if type1 == type2.
From-SVN: r270539
PR libstdc++/90220 (partial)
* include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
not attempt ill-formed static_cast to pointers to non-object types.
* testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
function types.
From-SVN: r270538
PR target/90187
* config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
a register if both if_true and if_false are MEMs.
* g++.target/i386/pr90187.C: New test.
From-SVN: r270537
Fixes another failing test to pass on BigEndian.
Initial patch by Robin Dapp.
Reviewed-on: https://github.com/dlang/dmd/pull/9684
gcc/testsuite/ChangeLog:
2019-04-24 Iain Buclaw <ibuclaw@gdcproject.org>
* gdc.test/README.gcc: New file.
From-SVN: r270536
PR tree-optimization/90208
* tree-cfg.c (remove_bb): Move forced labels from removed bbs
after labels of new_bb, not before them.
* gcc.dg/tsan/pr90208-1.c: New test.
* gcc.dg/tsan/pr90208-2.c: New test.
From-SVN: r270534
PR tree-optimization/90211
* tree-parloops.c (try_create_reduction_list): Ignore phi arguments
which are not SSA_NAMEs.
* gcc.dg/autopar/pr90211.c: New test.
From-SVN: r270533
The first compilation test to get baseline warnings was getting more
messages due to a missing object.d file, compared to later configure
tests where libphobos is in the include paths.
Because there must always be an object module during compilation, let
the tests themselves be an empty object module instead.
libphobos/ChangeLog:
2019-04-24 Iain Buclaw <ibuclaw@gdcproject.org>
PR d/88431
* configure: Regenerate.
* m4/libtool.m4 (lt_simple_compile_test_code): Update to not have
dependencies on libphobos.
(lt_simple_link_test_code): Likewise.
(GDCFLAGS): Don't override for D compiler tests.
From-SVN: r270531
* include/std/variant (__variant_construct): Use template parameter
type instead of equivalent decltype-specifier.
(_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
Replace forward with move.
(_Move_ctor_base<false, Types...>::_M_destructive_move)
(_Move_ctor_base<false, Types...>::_M_destructive_copy)
(_Move_ctor_base<true, Types...>::_M_destructive_move)
(_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
index after construction succeeds.
(_Copy_assign_base<false, Types...>::operator=): Remove redundant
if-constexpr checks that are always true. Use __remove_cvref_t instead
of remove_reference so that is_nothrow_move_constructible check
doesn't use a const rvalue parameter. In the potentially-throwing case
construct a temporary and move assign it, as per LWG 2904.
(_Move_assign_base<false, Types...>::operator=): Remove redundant
if-constexpr checks that are always true. Use emplace as per LWG 2904.
(variant::operator=(T&&)): Only use emplace conditionally, otherwise
construct a temporary and move assign from it, as per LWG 2904.
* testsuite/20_util/variant/exception_safety.cc: Check that
assignment operators have strong exception safety guarantee.
From-SVN: r270525
gcc/d/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* typeinfo.cc (create_typeinfo): Write typeinfo flags as uint.
gcc/testsuite/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* gdc.dg/link.d: Test if target d_runtime.
* gdc.dg/runnable.d: Fix tests to work on BigEndian.
* gdc.dg/simd.d: Likewise.
libphobos/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* configure.tgt: Add s390*-linux* as a supported target.
* libdruntime/gcc/sections/elf_shared.d: import gcc.builtins.
(__tls_get_addr_internal): Declare.
(TLS_DTV_OFFSET): Define as zero on SystemZ.
(getTLSRange): Support getting TLS on SystemZ.
* testsuite/libphobos.typeinfo/struct-align.d: New test.
Co-Authored-By: Robin Dapp <rdapp@linux.ibm.com>
From-SVN: r270523
This patch adds the GNU NOTE section to the BTI and/or PAC
enabled objects for linux targets.
The patches for needed for these in binutils are already approved
and committed.
https://sourceware.org/ml/binutils/2019-03/msg00072.html
*** gcc/ChangeLog ***
2018-04-23 Sudakshina Das <sudi.das@arm.com>
* config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
AArch64.
(aarch64_file_end_indicate_exec_stack): Add gnu note section.
gcc/testsuite/ChangeLog:
2018-04-23 Sudakshina Das <sudi.das@arm.com>
* gcc.target/aarch64/bti-1.c: Add scan directive for gnu note section
for linux targets.
* gcc.target/aarch64/va_arg_1.c: Update scan directive to not clash
with GNU note section.
From-SVN: r270515
PR rtl-optimization/87979
* modulo-sched.c (sms_schedule): Start ii value "mii" should
not equal zero.
testsuite:
PR rtl-optimization/87979
* gcc.dg/pr87979.c: New test.
From-SVN: r270512
PR rtl-optimization/84032
* modulo-sched.c (ps_insn_find_column): Change condition so that
branch will always be the last insn in a row inside partial
schedule.
testsuite:
PR rtl-optimization/84032
* gcc.dg/pr84032.c: New test.
From-SVN: r270511
The std::variant move assignment operator should not be trivial if the
variant is not trivially move constructible.
* include/std/variant (__detail::__variant::_Traits): Make
_S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
_S_trivial_move_assign depend on _S_trivial_move_ctor, as per
P0602R4.
(__detail::__variant::_Copy_assign_alias): Only depend on
_S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
* testsuite/20_util/variant/compile.cc: Correct checks for trivial
move assignment operators.
From-SVN: r270510
Also refactor some constraints slightly to be more readable.
PR libstdc++/90165
* include/std/variant (variant::__not_self): New helper for the
is_same_v<remove_cvref_t<T>, variant>==false constraints.
(variant::__to_type_impl): Remove.
(variant::__to_type): Add default argument to check pack size, instead
of using __to_type_impl.
(variant::__accepted_type): Add default argument using __not_self.
(variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
for variant(T&&) constructor constraint.
(variant::variant(T&&)): Use __not_in_place_tag in constraints.
Extract __accepted_type into a named template parameter for reuse in
other constraints and in the exception specification.
(variant::variant(in_place_type_t<T>, Args&&...))
(variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
(variant::variant(in_place_index_t<T>, Args&&...))
(variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
(variant::operator=T&&)): Remove redundant && from trait arguments.
* testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
isn't used for in_place_type or in_place_index arguments.
From-SVN: r270509
The P0318R1 paper added to the C++2a draft recently was not the latest
version of the paper, and should have included these changes. These
changes will be made to the working draft via a Defect Report, so I'm
applying them to libstdc++ now.
* include/std/type_traits (unwrap_reference_t): Define for C++2a.
(unwrap_ref_decay): Remove inheritance from unwrap_reference.
* testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
From-SVN: r270506
A regression was introduced by the recent changes to provide the strong
exception safety guarantee for "never valueless" types that have O(1),
non-throwing move assignment. The problematic code is:
else if constexpr (__detail::__variant::_Never_valueless_alt<type>())
{
// This construction might throw:
variant __tmp(in_place_index<_Np>, __il,
std::forward<_Args>(__args)...);
// But _Never_valueless_alt<type> means this won't:
*this = std::move(__tmp);
}
When the variant is not assignable, the assignment is ill-formed, so
should not be attempted. When the variant has a copy assignment operator
but not a move assignment operator, the assignment performs a copy
assignment and that could throw, so should not be attempted.
The solution is to only take that branch when the variant has a move
assignment operator, which is determined by the _Traits::_S_move_assign
constant. When that is false the strong exception safety guarantee is
not possible, and so the __never_valueless function should also depend
on _S_move_assign.
While testing the fixes for this I noticed that the partial
specialization _Never_valueless_alt<basic_string<C,T,A>> incorrectly
assumed that is_nothrow_move_constructible<basic_string<C,T,A>> is
always true, but that's wrong for fully-dynamic COW strings. Fix the
partial specialization, and improve the comment describing
_Never_valueless_alt to be clear it depends on move construction as well
as move assignment.
Finally, I also observed that _Variant_storage<false, T...>::_M_valid()
was not taking advantage of the __never_valueless<T...>() function to
avoid a runtime check. Only the _Variant_storage<true, T...>::_M_valid()
function was using __never_valueless. That is also fixed.
PR libstdc++/87431
* include/bits/basic_string.h (_Never_valueless_alt): Make partial
specialization also depend on is_nothrow_move_constructible.
* include/std/variant (__detail::__variant::__never_valueless()):
Only true if the variant would have a move assignment operator.
(__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
Check __never_valueless<T...>().
(variant::emplace): Only perform non-throwing move assignments
for never-valueless alternatives if the variant has a move assignment
operator.
* testsuite/20_util/variant/compile.cc: Check that never-valueless
types can be emplaced into non-assignable variants.
* testsuite/20_util/variant/run.cc: Check that never-valueless types
don't get copied when emplaced into non-assignable variants.
From-SVN: r270502
PR tree-optimization/92001
* tree-chrec.c (evolution_function_is_univariate_p): New parameter
and check univariate against it.
* tree-chrec.h (evolution_function_is_univariate_p): New parameter.
* tree-data-ref.c (add_other_self_distances): Pass new argument.
gcc/testsuite
* gcc/testsuite/gfortran.dg/pr90021.f90: New test.
From-SVN: r270499
2019-04-19 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/90166
* decl.c (in_module_or_interface): New function to check that the
current state is in a module, submodule, or interface.
(gfc_match_prefix): Use it.
2019-04-19 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/90166
* gfortran.dg/submodule_22.f08: Add additional dg-error comments.
From-SVN: r270495
With this testcase the code in template_args_equal to treat aliases as
distinct wasn't sufficient, because it only looked at the top level, whereas
here we have a reference to the alias. So let's also handle treating them
as distinct in structural_comptypes. For GCC 10 I have a more comprehensive
patch, but for GCC 9 let's go with this smaller change.
* typeck.c (structural_comptypes): When comparing_specializations,
aliases are unequal.
(comptypes): When comparing_specializations, do structural
comparison.
From-SVN: r270494
Fixes endian bugs in std.uni, and corrects unit-tests that failed on
version(BigEndian) targets.
Initial patch by Robin Dapp.
Reviewed-on: https://github.com/dlang/phobos/pull/6975
From-SVN: r270491
2019-04-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/57284
* resolve.c (find_array_spec): If this is a class expression
and the symbol and component array specs are the same, this is
not an error.
*trans-intrinsic.c (gfc_conv_intrinsic_size): If a class symbol
argument, has no namespace, it has come from the interface
mapping and the _data component must be accessed directly.
2019-04-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/57284
* gfortran.dg/class_70.f03
From-SVN: r270489
PR d/90130
d/dmd: Merge upstream dmd 065fbd452
Fixes endian bug in CTFE, and corrects tests in the D2 testsuite that
failed on big endian targets.
Initial patch by Robin Dapp.
Reviewed-on: https://github.com/dlang/dmd/pull/9665
From-SVN: r270485
Useless move insn removal was added to LRA just to avoid wasting CPU
cycles on such insn processing afterwards. Such insns are removed
anyway later in the pass pipeline. The CPU time savings are tiny but
the removal creates too many problems including PR target/90178.
Vladimir pre-approved the patch to remove the code:
https://gcc.gnu.org/ml/gcc-patches/2019-04/msg00834.html
gcc/
PR target/90178
Revert:
2018-11-21 Uros Bizjak <ubizjak@gmail.com>
Revert the revert:
2013-10-26 Vladimir Makarov <vmakarov@redhat.com>
Revert:
2013-10-25 Vladimir Makarov <vmakarov@redhat.com>
* lra-spills.c (lra_final_code_change): Remove useless move insns.
gcc/testsuite/
PR target/90178
* gcc.target/i386/pr90178.c: New test.
From-SVN: r270484
PR d/90064
libphobos: Merge upstream phobos 428460ddd
Defines growDownwards on SPARC64, initial patch by Rainer Orth.
Backports another fix to std.process, allowing permissions tests to be
skipped when running as root.
Reviewed-on: https://github.com/dlang/phobos/pull/6962
From-SVN: r270483
Adds version (BacktraceExternal) for using libexecinfo instead of
internal implementation on FreeBSD, NetBSD, and DragonFly.
Reviewed-on: https://github.com/dlang/druntime/pull/2560
From-SVN: r270482
The current implementation of “speculation_barrier”
and “group_end_nop” insns emit hard-wired register
names which causes tests using them to fail on Darwin,
at least, which uses “rNN” instead of “NN”.
The patch makes the register names for these insns use
the operand output mechanism to substitute the
appropriate variant when needed.
gcc/
2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/rs6000.md (group_end_nop): Emit insn register
names using operand format, rather than hard-wired.
(speculation_barrier): Likewise.
From-SVN: r270480
These earlier Darwin versions have “FP_≈” inside a
comment in architecture/{ppc,i386}/math.h, which is
included by math.h which causes the tests to fail.
The intent of the tests (i.e. to ensure that the
library itself does not emit non-ascii) is covered
by other platforms, including later Darwin editions.
2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
to Darwin10.
* testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
From-SVN: r270479
This shouldn't happen during normal traversal of the AST provided from
the front-end, however as there are some cases where declarations need
to be visited out of order, such as what is being done in PR d/89017, it
then becomes necessary to guard against this.
gcc/d/ChangeLog:
2019-04-21 Iain Buclaw <ibuclaw@gdcproject.org>
* decl.cc (DeclVisitor::visit(Import)): Set semanticRun after
completion, guard against being called more than once.
(DeclVisitor::visit(StructDeclaration)): Likewise.
(DeclVisitor::visit(ClassDeclaration)): Likewise.
(DeclVisitor::visit(InterfaceDeclaration)): Likewise.
(DeclVisitor::visit(VarDeclaration)): Likewise.
(DeclVisitor::visit(TypeInfoDeclaration)): Likewise.
From-SVN: r270478
Claudiu Zissulescu
Richard Biener
Jonathan Wakely
Jakub Jelinek
Iain Buclaw
Ramana Radhakrishnan
GCC Administrator
Jonathan Wakely
Thomas Rodgers
Joseph Myers
Sudakshina Das
Iain Buclaw
Jeff Law
Roman Zhuykov
Roman Zhuykov
Bin Cheng
Steven G. Kargl
Jason Merrill
Paul Thomas
H.J. Lu
Iain Sandoe