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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266872 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266871 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266706 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266699 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266694 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266690 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266650 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266641 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ibm/ltc168854@266640 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/88217
* vr-values.c (vr_values::extract_range_from_phi_node): Make
sure to handle results > +INF and < -INF correctly when
trying to drop down to +INF - 1 or -INF + 1.
* g++.dg/pr88217.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266557 138bc75d-0d04-0410-961f-82ee72b054a4
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git commit 41f70262f (svn rev 264868) exposed a signed/unsigned
comparison. Fixed by matching the type of the local var to that of
the tree field.
* xcoffout.c (do_block): Signed/unsigned warning fix.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266555 138bc75d-0d04-0410-961f-82ee72b054a4
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* gcc.dg/tree-ssa/phi-opt-11.c: For branch_cost targets, expect 0 ifs
rather than 0 or 2 depending on logical_op_short_circuit.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266552 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/79351
* tree-ssa-sccvn.c (vn_reference_lookup_3): For assignments from
empty CONSTRUCTORs ensure the store is at a constant position.
* gcc.dg/torture/pr79351.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266551 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/88229
* tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT
is an INTEGER_CST before accessing it so.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266550 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/ChangeLog:
2018-11-28 Sam Tebbs <sam.tebbs@arm.com>
* doc/invoke.texi (-mtune=): Remove obsolete CPU names.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266549 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/i386/i386.c (ix86_expand_sse_movcc): Handle DFmode and
SFmode using sse4_1_blendvs[sd] with TARGET_SSE4_1. Formatting fixes.
* config/i386/sse.md (sse4_1_blendv<ssemodesuffix>): New pattern.
* gcc.target/i386/sse4_1-pr88189-1.c: New test.
* gcc.target/i386/sse4_1-pr88189-2.c: New test.
* gcc.target/i386/avx-pr88189-1.c: New test.
* gcc.target/i386/avx-pr88189-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266548 138bc75d-0d04-0410-961f-82ee72b054a4
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* typeck2.c (digest_init_r): Re-add handing of signed/unsigned char
strings and add it to the initialization of wide array from non-wide
string diagnostics too.
* g++.dg/cpp0x/pr87476-1.C: New test.
* g++.dg/cpp0x/pr87476-2.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266547 138bc75d-0d04-0410-961f-82ee72b054a4
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* c-ubsan.c: Include langhooks.h.
(ubsan_instrument_division): Change gcc_assert that main variants
of op0 and op1 types are equal to gcc_checking_assert that the
main variants are compatible types.
* c-c++-common/ubsan/pr88215.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266546 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/88182
* g++.dg/gomp/pr88182.C: Move from libgomp and use -fopenmp-simd.
* testsuite/libgomp.c++/pr88182.C: Move to g++.dg/gomp.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266545 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-28 Johannes Pfau <johannespfau@gmail.com>
* MAINTAINERS (Write After Approval): Add myself.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266544 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266540 138bc75d-0d04-0410-961f-82ee72b054a4
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* decl.c (grokdeclarator): Don't diagnose deduction guide errors
if !funcdecl_p.
* g++.dg/other/pr88187.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266537 138bc75d-0d04-0410-961f-82ee72b054a4
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Track whether we've seen an error when importing a function; we will
use error tracking to avoid knock-on errors.
Stop importing identifiers at a ')'.
Provide a way to adjust the indentation level while importing.
Reviewed-on: https://go-review.googlesource.com/c/150072
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266536 138bc75d-0d04-0410-961f-82ee72b054a4
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* testsuite/27_io/filesystem/operations/canonical.cc: Remove
directory created by test.
* testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
symlink created by test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266535 138bc75d-0d04-0410-961f-82ee72b054a4
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Inlinable function bodies are generated after the determine_types pass,
so we know the type for all constants. Rather than try to determine
it again when inlining, record the type in the export data, using a
$convert expression. Reduce the number of explicit $convert
expressions by recording a type context with the expected type in
cases where that type is known.
Reviewed-on: https://go-review.googlesource.com/c/150071
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266534 138bc75d-0d04-0410-961f-82ee72b054a4
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This resolves a longstanding issue where the lock policy for shared_ptr
reference counting depends on compilation options when the header is
included, so that different -march options can cause ABI changes. For
example, objects compiled with -march=armv7 will use atomics to
synchronize reference counts, and objects compiled with -march=armv5t
will use a mutex. That means the shared_ptr control block will have a
different layout in different objects, causing ODR violations and
undefined behaviour. This was the root cause of PR libstdc++/42734 as
well as PR libstdc++/67843.
The solution is to decide on the lock policy at build time, when
libstdc++ is configured. The configure script checks for the
availability of the necessary atomic built-ins for the target and fixes
that choice permanently. Different -march flags used to compile user
code will not cause changes to the lock policy. This results in an ABI
change for certain compilations, but only where there was already an ABI
incompatibility between the libstdc++.so library and objects built with
an incompatible -march option. In general, this means a more stable ABI
that isn't silently altered when -march flags make addition atomic ops
available.
To force a target to use "atomic" or "mutex" the new configure option
--with-libstdcxx-lock-policy can be used.
In order to turn ODR violations into linker errors, the uses of
shared_ptr in filesystem directory iterators have been replaced
with __shared_ptr, and explicit instantiations are declared. This
ensures that object files using those types cannot link to libstdc++
libs unless they use the same lock policy.
PR libstdc++/67843
* acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
* doc/xml/manual/configure.xml: Document new configure option.
* include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
instead of shared_ptr.
(recursive_directory_iterator): Likewise.
(__shared_ptr<_Dir>): Add explicit instantiation declaration.
(__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
* include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
Add default template argument for _Lock_policy template parameter.
* include/ext/concurrence.h (__default_lock_policy): Check macro
_GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
target supports the builtins for compare-and-swap.
* src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
instantiation definition.
(__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
(directory_iterator, recursive_directory_iterator): Use __make_shared
instead of make_shared.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266533 138bc75d-0d04-0410-961f-82ee72b054a4
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An inlinable function body may need to refer to result parameters, so
each result parameter needs a name. We already give them all names in
start_function (via create_result_variables). Change the export data
so that for an inlinable function we use those names for the function
declaration's result parameters.
Reviewed-on: https://go-review.googlesource.com/c/150070
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266532 138bc75d-0d04-0410-961f-82ee72b054a4
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Reviewed-on: https://go-review.googlesource.com/c/150069
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266531 138bc75d-0d04-0410-961f-82ee72b054a4
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When we inline functions, we may parse types that we have not seen
before inlining. Inlining runs after the finalize_methods pass, so
those types will not be finalized, meaning that we don't have an
accurate list of which methods they support. Explicitly finalize them
when we parse them.
Reviewed-on: https://go-review.googlesource.com/c/150068
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266530 138bc75d-0d04-0410-961f-82ee72b054a4
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For inlined function bodies we're going to need to refer to variables,
so change the existing export data to add a '$' to names that look
like identifiers: true, false, nil, convert.
While we're here drop an unnecessary space character after operators.
Reviewed-on: https://go-review.googlesource.com/c/150067
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266529 138bc75d-0d04-0410-961f-82ee72b054a4
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PR libstdc++/88199
* include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
(_Hashtable<>::operator=(const _Hashtable&)): Use latter.
(_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
* testsuite/23_containers/unordered_set/allocator/move_assign.cc
(test03): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266528 138bc75d-0d04-0410-961f-82ee72b054a4
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* class.c (fixup_attribute_variants): Also propagate TYPE_PACKED
to variants.
* g++.dg/debug/pr88181.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266527 138bc75d-0d04-0410-961f-82ee72b054a4
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Change expression importing to use a new abstract interface class
Import_expression, so that we can more easily import expressions from
inlinable function bodies. This is a refactoring with no affect on
compiler behavior.
Reviewed-on: https://go-review.googlesource.com/c/150065
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266526 138bc75d-0d04-0410-961f-82ee72b054a4
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Separate the Location that import_expression uses when creating a new
Expression from the Location used to report an error. This is a step
toward importing expressions for inlined functions. This is a pure
refactoring that does not affect compiler behavior.
Reviewed-on: https://go-review.googlesource.com/c/150064
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266525 138bc75d-0d04-0410-961f-82ee72b054a4
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* gcc.dg/vect/costmodel/ppc/costmodel-vect-33.c (main1): Add noipa
attribute.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266524 138bc75d-0d04-0410-961f-82ee72b054a4
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In preparation for writing expressions to inline function bodies,
change the existing expression export code to use Export_function_body
rather than Export. Adjust existing expression exporters accordingly.
This is a refactoring that doesn't affect compiler output.
Reviewed-on: https://go-review.googlesource.com/c/150063
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266523 138bc75d-0d04-0410-961f-82ee72b054a4
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character
PR 88211 - missing warning on printf %ls and unterminated wide member array
PR 88226 - missing warning on fprintf, fputs, and puts with an unterminated array
gcc/ChangeLog:
* gcc.dg/tree-ssa/builtin-fprintf-warn-1.c: Update/remove xfails.
* gcc.dg/tree-ssa/builtin-printf-warn-1.c: Same.
* gcc.dg/tree-ssa/user-printf-warn-1.c: Same.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266522 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-27 Martin Liska <mliska@suse.cz>
* gcov.c (generate_results): Append current_working_directory
only when exists.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266521 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/ChangeLog:
2018-11-27 Mike Gulick <mgulick@mathworks.com>
PR preprocessor/83173
* input.c (dump_location_info): Dump reason and included_from
fields from line_map_ordinary struct. Fix indentation when
location > 5 digits.
* diagnostic-show-locus.c (num_digits, num_digits): Move to
diagnostic.c to allow it to be utilized by input.c.
* diagnostic.c (num_digits, selftest::test_num_digits): Moved
here.
(selftest::diagnostic_c_tests): Run selftest::test_num_digits.
* diagnostic.h (num_digits): Add extern definition.
libcpp/ChangeLog:
2018-11-27 Mike Gulick <mgulick@mathworks.com>
PR preprocessor/83173
* location-example.txt: Update example -fdump-internal-locations
output.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266520 138bc75d-0d04-0410-961f-82ee72b054a4
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The short loop bug under certain conditions causes loops to
execute only once or twice, due to a hardware bug in the R5900 chip.
`-march=r5900' already enables the R5900 short loop workaround.
However, the R5900 ISA and most other MIPS ISAs are mutually
exclusive since R5900-specific instructions are generated as well.
The `-mfix-r5900' option can be used in combination with e.g.
`-mips2' or `-mips3' to generate generic MIPS binaries that also
work with the R5900 target. The workaround is implemented by GAS
rather than by GCC.
The following small `shortloop.c' file has been used as a test
with GCC 8.2.0:
void shortloop(void)
{
__asm__ __volatile__ (
" li $3, 300\n"
"loop:\n"
" addi $3, -1\n"
" addi $4, -1\n"
" bne $3, $0, loop\n"
" li $4, 3\n"
::);
}
The following six combinations have been tested:
% mipsr5900el-unknown-linux-gnu-gcc -O1 -c shortloop.c
% mipsr5900el-unknown-linux-gnu-gcc -O1 -c shortloop.c -mfix-r5900
% mipsr5900el-unknown-linux-gnu-gcc -O1 -c shortloop.c -mno-fix-r5900
% mipsr4000el-unknown-linux-gnu-gcc -O1 -c shortloop.c
% mipsr4000el-unknown-linux-gnu-gcc -O1 -c shortloop.c -mfix-r5900
% mipsr4000el-unknown-linux-gnu-gcc -O1 -c shortloop.c -mno-fix-r5900
The R5900 short loop erratum is corrected in exactly three cases:
1. for the target `mipsr5900el' by default;
2. for the target `mipsr5900el' with `-mfix-r5900';
3. for any other MIPS target (e.g. `mipsr4000el') with `-mfix-r5900'.
In all other cases the correction is not made.
2018-11-27 Fredrik Noring <noring@nocrew.org>
gcc/
* config/mips/mips.c (mips_reorg_process_insns)
(mips_option_override): Handle `-mfix-r5900'.
* config/mips/mips.h (ASM_SPEC): Add `mfix-r5900' and
`mno-fix-r5900'.
* config/mips/mips.opt (mfix-r5900): New option.
* doc/invoke.texi: Document the `r5900' processor name, and
`-mfix-r5900' and `-mno-fix-r5900' options.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266519 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-27 Mike Gulick <mgulick@mathworks.com>
PR preprocessor/83173
* gcc.dg/plugin/location-overflow-test-pr83173.c: New test.
* gcc.dg/plugin/location-overflow-test-pr83173.h: Header for
pr83173.c.
* gcc.dg/plugin/location-overflow-test-pr83173-1.h: Header for
pr83173.c.
* gcc.dg/plugin/location-overflow-test-pr83173-2.h: Header for
pr83173.c.
* gcc.dg/plugin/location_overflow_plugin.c: Use PLUGIN_PRAGMAS
instead of PLUGIN_START_UNIT.
* gcc.dg/plugin/plugin.exp: Enable new test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266518 138bc75d-0d04-0410-961f-82ee72b054a4
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Start reading the export data generated by the last change in this
series. At this point we will inline direct calls to empty functions
and methods defined in different packages.
Reviewed-on: https://go-review.googlesource.com/c/150062
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266517 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-27 Mike Gulick <mgulick@mathworks.com>
PR preprocessor/83173
* files.c (_cpp_stack_include): Check if
line_table->highest_location is past current line before
decrementing.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266516 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/rs6000/rs6000.c (print_operand) <case 'D'>: Use
output_operand_lossage instead of gcc_assert.
<case 't'>: Likewise.
<case 'z'>: Likewise.
<case 'V'>: Use output_operand_lossage instead of gcc_unreachable.
* gcc.target/powerpc/pr88188.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266515 138bc75d-0d04-0410-961f-82ee72b054a4
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in call to move_by_pieces.
* config/sh/sh-mem.c (expand_block_move): Use RETURN_BEGIN in call
to move_by_pieces.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266514 138bc75d-0d04-0410-961f-82ee72b054a4
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call to move_by_pieces.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266513 138bc75d-0d04-0410-961f-82ee72b054a4
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in call to move_by_pieces.
2018-11-27 Tamar Christina <tamar.christina@arm.com>
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266512 138bc75d-0d04-0410-961f-82ee72b054a4
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RETURN_BEGIN in call to move_by_pieces.
(microblaze_expand_block_move): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266511 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-27 Tamar Christina <tamar.christina@arm.com>
* doc/md.texi (xorsign): Document it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266510 138bc75d-0d04-0410-961f-82ee72b054a4
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2018-11-27 Martin Liska <mliska@suse.cz>
* config/gnu-user.h (TARGET_F951_OPTIONS): New.
* gcc.c (find_fortran_preinclude_file): New function
to handle Fortran pre-include.
2018-11-27 Martin Liska <mliska@suse.cz>
* decl.c (gfc_match_gcc_builtin): New function.
* gfortran.h (struct vect_builtin_tuple): New.
(gfc_adjust_builtins): Likewise.
* lang-specs.h (TARGET_F951_OPTIONS): New.
(F951_OPTIONS): Use it.
* lang.opt: Add new option -fpre-include.
* match.h (gfc_match_gcc_builtin): Declare new function.
* parse.c (decode_gcc_attribute): Handle builtin.
(parse_progunit): Call gfc_adjust_builtins.
* scanner.c (gfc_new_file): Load pre-included header file
when provided.
* trans-intrinsic.c (add_simd_flag_for_built_in): New.
(gfc_adjust_builtins): Likewise.
2018-11-27 Martin Liska <mliska@suse.cz>
* gfortran.dg/simd-builtins-1.f90: New test.
* gfortran.dg/simd-builtins-1.h: New test.
* gfortran.dg/simd-builtins-2.f90: New test.
* gfortran.dg/simd-builtins-3.f90: New test.
* gfortran.dg/simd-builtins-3.h: New test.
* gfortran.dg/simd-builtins-4.f: New test.
* gfortran.dg/simd-builtins-4.h: New test.
* gfortran.dg/simd-builtins-5.f: New test.
* gfortran.dg/simd-builtins-6.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266509 138bc75d-0d04-0410-961f-82ee72b054a4
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