When libgcc is built on Darwin, it is usually built for the earliest potential
target (Darwin8, 10.4). Build for that revision default to assuming that the
processor might be G3 (without vector ops) and there is an outlined function
used for save/restore that checks whether the processor is G3 or G4+ at run-
time. However, the unwinder itself needs to be built with the assumption of
vector usage so that the relevant outlined functions are called.
2019-06-06 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/t-darwin: Ensure that the unwinder is built with
altivec enabled.
From-SVN: r272017
2019-06-06 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (struct access): New field grp_same_access_path.
(dump_access): Dump it.
(build_reconstructed_reference): New function.
(build_ref_for_model): Use it if possible.
(path_comparable_for_same_access): New function.
(same_access_path_p): Likewise.
(sort_and_splice_var_accesses): Set the new flag.
(analyze_access_subtree): Likewise.
(propagate_subaccesses_across_link): Propagate zero value of the new
flag down the access tree.
testsuite/
* gcc.dg/tree-ssa/alias-access-path-1.c: Remove -fno-tree-sra option.
* gcc.dg/tree-ssa/ssa-dse-26.c: Disable FRE.
* testsuite/gnat.dg/opt39.adb: Adjust scan dump.
From-SVN: r272012
This can greatly reduce the amount of preprocessed code that is included
by other headers, because <stdexcept> depends on <string> which is huge.
* include/std/array: Do not include <stdexcept>.
* include/std/optional: Include <exception> and
<bits/exception_defines.h> instead of <stdexcept>.
* testsuite/20_util/function_objects/searchers.cc: Include <cctype>
for std::isalnum.
* testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
std::allocator.
* testsuite/23_containers/map/erasure.cc: Include <string>.
* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
From-SVN: r272011
* testsuite/23_containers/unordered_map/requirements/debug_container.cc:
Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
dg-do directive for C++17 and C++2a.
From-SVN: r272009
This patch fixes the failing gcc.dg/vect/slp-reduc-sad-2.c testcase on aarch64
by implementing a vec_init optab that can handle two half-width vectors producing a full-width one
by concatenating them.
In the gcc.dg/vect/slp-reduc-sad-2.c case it's a V8QI reg concatenated with a V8QI const_vector of zeroes.
This can be implemented efficiently using the aarch64_combinez pattern that just loads a D-register to make
use of the implicit zero-extending semantics of that load.
Otherwise it concatenates the two vector using aarch64_simd_combine.
With this patch I'm seeing the effect from richi's original patch that added gcc.dg/vect/slp-reduc-sad-2.c on aarch64
and 525.x264_r improves by about 1.5%.
PR tree-optimization/90332
* config/aarch64/aarch64.c (aarch64_expand_vector_init):
Handle VALS containing two vectors.
* config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
to...
(@aarch64_combinez<mode>): ... This.
(*aarch64_combinez_be<mode>): Rename to...
(@aarch64_combinez_be<mode>): ... This.
(vec_init<mode><Vhalf>): New define_expand.
* config/aarch64/iterators.md (Vhalf): Handle V8HF.
From-SVN: r272002
The GNU extension that allows using the wrong allocator type with a
container is disabled for C++2a mode, because the standard now requires
a diagnostic. Fix the tests that fail when -std=gnu++2a is used.
Also remove some reundant tests that are duplicates of another test
except for a target specifier of c++11. Those tests previously set
-std=gnu++11 explicitly but that was replaced globally with a target
specifier. These tests existed to verify that explicit instantiation
worked for both C++98 and C++11 modes, but now do nothing because both
copies of the test use -std=gnu++14 by default. Instead of duplicating
the test we should be regularly running the whole testsuite with
different -std options.
* testsuite/23_containers/deque/requirements/explicit_instantiation/
1_c++0x.cc: Remove redundant test.
* testsuite/23_containers/deque/requirements/explicit_instantiation/
2.cc: Use target selector instead of preprocessor condition.
* testsuite/23_containers/deque/requirements/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/forward_list/requirements/
explicit_instantiation/3.cc: Likewise.
* testsuite/23_containers/forward_list/requirements/
explicit_instantiation/5.cc: Do not test allocator rebinding extension
for C++2a.
* testsuite/23_containers/list/requirements/explicit_instantiation/
1_c++0x.cc: Remove redundant test.
* testsuite/23_containers/list/requirements/explicit_instantiation/
2.cc: Use target selector instead of preprocessor condition.
* testsuite/23_containers/list/requirements/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/list/requirements/explicit_instantiation/
5.cc: Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/map/requirements/explicit_instantiation/
1_c++0x.cc: Remove redundant test.
* testsuite/23_containers/map/requirements/explicit_instantiation/
2.cc: Adjust comment.
* testsuite/23_containers/map/requirements/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/map/requirements/explicit_instantiation/
5.cc: Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/multimap/requirements/explicit_instantiation/
1_c++0x.cc: Remove redundant test.
* testsuite/23_containers/multimap/requirements/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/multimap/requirements/explicit_instantiation/
5.cc: Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/multiset/requirements/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/multiset/requirements/explicit_instantiation/
5.cc: Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
Do not run test for C++2a.
* testsuite/23_containers/set/requirements/explicit_instantiation/
1_c++0x.cc: Remove redundant test.
* testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/unordered_map/requirements/
explicit_instantiation/3.cc: Likewise.
* testsuite/23_containers/unordered_map/requirements/
explicit_instantiation/5.cc: Do not test allocator rebinding extension
for C++2a.
* testsuite/23_containers/unordered_multimap/requirements/
explicit_instantiation/3.cc: Do not run test for C++2a.
* testsuite/23_containers/unordered_multimap/requirements/
explicit_instantiation/5.cc: Do not test allocator rebinding extension
for C++2a.
* testsuite/23_containers/unordered_multiset/requirements/
explicit_instantiation/3.cc: Do not run test for C++2a.
* testsuite/23_containers/unordered_multiset/requirements/
explicit_instantiation/5.cc: Do not test allocator rebinding extension
for C++2a.
* testsuite/23_containers/unordered_set/requirements/
explicit_instantiation/3.cc: Do not run test for C++2a.
* testsuite/23_containers/unordered_set/requirements/
explicit_instantiation/5.cc: Do not test allocator rebinding extension
for C++2a.
* testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2.cc: Remove redundant test.
* testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
3.cc: Do not run test for C++2a.
* testsuite/23_containers/vector/requirements/explicit_instantiation/
3.cc: Likewise.
From-SVN: r272001
The type property predicates that are implemented by a compiler builtin
already do the right checks in the compiler. The checks for complete
type or unbounded arrays were wrong for these types anyway.
* include/std/type_traits (is_empty, is_polymorphic, is_final)
(is_abstract, is_aggregate): Remove static_assert.
* testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
from builtin only.
* testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
missing -std=gnu++17 option.
* testsuite/20_util/is_empty/incomplete_neg.cc: New test.
* testsuite/20_util/is_final/incomplete_neg.cc: New test.
* testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
from builtin only.
From-SVN: r272000
* testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
* testsuite/18_support/set_unexpected.cc: Likewise.
* testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
void.
* testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
function to be valid in C++11.
* testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
* testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
include Library Fundamentals or Networking headers in C++11 mode.
* testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
From-SVN: r271999
Replace the _TC class template with the better-named _TupleConstraints
one, which provides a different set of member functions. The new members
do not distinguish construction from lvalues and rvalues, but expects
the caller to do that by providing different template arguments. Within
the std::tuple primary template and std::tuple<T1, T2> partial
specialization the _TupleConstraints members are used via new alias
templates like _ImplicitCtor and _ExplicitCtor which makes the
constructor constraints less verbose and repetitive. For example, where
we previously had:
template<typename... _UElements, typename
enable_if<
_TMC<_UElements...>::template
_MoveConstructibleTuple<_UElements...>()
&& _TMC<_UElements...>::template
_ImplicitlyMoveConvertibleTuple<_UElements...>()
&& (sizeof...(_Elements) >= 1),
bool>::type=true>
constexpr tuple(_UElements&&... __elements)
We now have:
template<typename... _UElements,
bool _Valid = __valid_args<_UElements...>(),
_ImplicitCtor<_Valid, _UElements...> = true>
constexpr
tuple(_UElements&&... __elements)
There are two semantic changes as a result of the refactoring:
- The allocator-extended default constructor is now constrained.
- The rewritten constraints fix PR 90700.
* include/std/tuple (_TC): Replace with _TupleConstraints.
(_TupleConstraints): New helper for SFINAE constraints, with more
expressive member functions to reduce duplication when used.
(tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
(tuple::_TCC): Replace dummy type parameter with bool non-type
parameter that can be used to check the pack size.
(tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
(tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
checking constraints in constructors.
(tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
New SFINAE helpers.
(tuple::tuple): Use new helpers to reduce repitition in constraints.
(tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
(tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
(tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
(tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
constraints in constructors.
(tuple::__is_alloc_arg()): New SFINAE helpers.
(tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
constraints.
(tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
* testsuite/20_util/tuple/cons/90700.cc: New test.
* testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
to meet new constraint on allocator-extended default constructor.
From-SVN: r271998
gcc/ChangeLog
2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
library functions only when not optimizing for size.
(ashlsi3): Likewise.
(ashrhi3): Likewise.
(ashrsi3): Likewise.
(lshrhi3): Likewise.
(lshrsi3): Likewise.
gcc/testsuite/ChangeLog
2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* gcc.target/msp430/size-optimized-shifts.c: New test.
From-SVN: r271997
Fix PR88751
This patch implements a small improvement for the heuristic in lra
which decides when it has to activate the simpler register allocation
algorithm.
gcc/ChangeLog:
2019-06-06 Andreas Krebbel <krebbel@linux.ibm.com>
PR rtl-optimization/88751
* ira.c (ira): Use the number of the actually referenced registers
when calculating the threshold.
From-SVN: r271996
gcc/ChangeLog
2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config/msp430/msp430.md (ashlhi3): Force shift src operand into a
register if it is in memory, so the shift can be emulated with a rotate
instruction.
(ashrhi3): Likewise.
(lshrhi3): Likewise.
gcc/testsuite/ChangeLog
2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* gcc.target/msp430/emulate-slli.c: New test.
* gcc.target/msp430/emulate-srai.c: New test.
* gcc.target/msp430/emulate-srli.c: New test.
From-SVN: r271993
2019-06-06 Martin Liska <mliska@suse.cz>
PR tree-optimization/87954
* match.pd: Simplify mult where both arguments are 0 or 1.
2019-06-06 Martin Liska <mliska@suse.cz>
PR tree-optimization/87954
* gcc.dg/pr87954.c: New test.
From-SVN: r271991
2019-06-06 Richard Biener <rguenther@suse.de>
* vr-values.c (vr_values::extract_range_from_ssa_name): Do not
put equivalences on UNDEFINED ranges.
* gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
Make sure to drop defs of stmts added during simplification
to VARYING.
From-SVN: r271990
Fix order of dg-directives such that tests are executed only when
there is no command line cpu option given.
gcc/testsuite/
xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/tmac-1.c: Reoreder dg-directives.
* gcc.target/arc/tmac-2.c: Likewise.
From-SVN: r271986
In the runtime there are specialized fast map routines for
certain kep types. This CL lets the compiler make use of these
functions, instead of always using the generic ones.
As we now generate multiple versions of map delete calls, to make
things easier we delay the expansion of the built-in delete
function to flatten phase.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/180858
From-SVN: r271983
* config/ia64/crtbegin.S (__dso_handle): Put in .sdata/.sbss
rather than .data/.bss so it can be accessed via gp-relative
addressing.
From-SVN: r271977
Scan inlinable methods for references to global variables and
functions (forgot to do that earlier).
Track all packages mentioned by exports (that should have been done
earlier too).
Record assembler name in export data, so that we can inline calls to
non-Go functions. Modify gccgoimporter code to skip assembler name.
This increases the number of inlinable functions in the standard
library from 215 to 439.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/180677
From-SVN: r271976
At least with -m32 you need -maltivec if you #include <altivec.h>.
gcc/testsuite/
* g++.target/powerpc/undef-bool-3.C: Add -maltivec to dg-options.
From-SVN: r271966
* fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
multiplication by a power-of-two value.
(fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
and turn the modulo operation into a masking operation.
From-SVN: r271963
gcc/testsuite/ChangeLog
* gcc.target/aarch64/return_address_sign_b_1.c: New file.
* gcc.target/aarch64/return_address_sign_b_2.c: New file.
* gcc.target/aarch64/return_address_sign_b_3.c: New file.
* gcc.target/aarch64/return_address_sign_builtin.c: New file.
* g++.target/aarch64/return_address_sign_ab_exception.C: New file.
* g++.target/aarch64/return_address_sign_b_exception.C: New file.
From-SVN: r271954
2019-06-05 Richard Biener <rguenther@suse.de>
PR middle-end/90726
* tree-ssa-loop-niter.c (expand_simple_operations): Do not
turn an expression graph into a tree.
* gcc.dg/pr90726.c: Enable IVOPTs.
From-SVN: r271950
* omp-low.c (lower_rec_input_clauses): For lastprivate conditional
references, lookup in in hash map MEM_REF operand instead of the
MEM_REF itself.
(lower_omp_1): When looking for lastprivate conditional assignments,
handle MEM_REFs with REFERENCE_TYPE operands.
* testsuite/libgomp.c++/lastprivate-conditional-1.C: New test.
* testsuite/libgomp.c++/lastprivate-conditional-2.C: New test.
From-SVN: r271948
* omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
on privatization clauses OMP_CLAUSE_DECL is privatized by reference
and references a VLA. Handle references to non-VLAs if is_simd
all privatization clauses like reductions.
(lower_rec_input_clauses) <case do_private, case do_firstprivate>:
If omp_is_reference, use always omp simd arrays and set
DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
fails, emit reference initialization.
* g++.dg/vect/simd-1.cc: New test.
From-SVN: r271947
When converting a constant to interface, such as interface{}(42)
or interface{}("hello"), if the interface escapes, we currently
generate a heap allocation to hold the constant value.
This CL changes it to generate a static allocation instead, as
the gc compiler does. This reduces allocations in such cases.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/180277
From-SVN: r271945
Iain Sandoe
Martin Sebor
Martin Jambor
Jonathan Wakely
Andrew Stubbs
Kyrylo Tkachov
Jozef Lawrynowicz
Andreas Krebbel
Jakub Jelinek
Martin Liska
Richard Biener
Claudiu Zissulescu
Hongtao Liu
Ian Lance Taylor
GCC Administrator
Yoshinori Sato
James Clarke
Paolo Carlini
Richard Henderson
Nina Dinka Ranns
David Edelsohn
Segher Boessenkool
Eric Botcazou
Sam Tebbs