gcc/
* config.gcc (nds32): Add nds32-relax-opt.o into extra_objs.
* config/nds32/constants.md (unspec_volatile_element): Add
UNSPEC_VOLATILE_RELAX_GROUP.
* config/nds32/nds32-relax-opt.c: New file.
* config/nds32/nds32-predicates.c
(nds32_symbol_load_store_p): New function.
* config/nds32/nds32-protos.h
(nds32_symbol_load_store_p): Declare function.
(make_pass_nds32_relax_opt): Declare new rtl pass function.
* config/nds32/nds32.c
(nds32_register_pass): New function to register pass.
(nds32_register_passes): New function to register passes.
* config/nds32/nds32.md (relax_group): New pattern.
* config/nds32/nds32.opt (mrelax-hint): New option.
* config/nds32/t-nds32 (nds32-relax-opt.o): New dependency.
jakub [Sun, 1 Apr 2018 06:05:01 +0000 (06:05 +0000)]
PR middle-end/85090
* config/i386/sse.md (V): Add V64QI and V32HI for TARGET_AVX512F.
(V_128_256): New mode iterator.
(*avx512dq_vextract<shuffletype>64x2_1 splitter): New define_split.
(*avx512f_vextract<shuffletype>32x4_1 splitter): Likewise.
(xop_pcmov_<mode><avxsizesuffix>): Use V_128_256 mode iterator instead
of V.
* config/i386/i386.c (ix86_expand_vector_set): Improve V32HImode and
V64QImode expansion for !TARGET_AVX512BW && TARGET_AVX512F.
* gcc.target/i386/avx512f-pr85090-1.c: New test.
* gcc.target/i386/avx512f-pr85090-2.c: New test.
* gcc.target/i386/avx512f-pr85090-3.c: New test.
* gcc.target/i386/avx512bw-pr85090-2.c: New test.
* gcc.target/i386/avx512bw-pr85090-3.c: New test.
aoliva [Sat, 31 Mar 2018 03:44:12 +0000 (03:44 +0000)]
[PR c++/85027] deal with baselink in save_expr in instantiate_type
We use SAVE_EXPRs in conditional expressions without the middle
operand, to evaluate the first operand only once. When the conversion
of the first operand fails, we may call instantiate_type get a better
error message. We have code to peel off the SAVE_EXPR there, but then
we may end up with a BASELINK, and we're past the code that deals with
BASELINKs. Reorder the tests so that we expose the saved expr first,
and then deal with BASELINKs.
for gcc/cp/ChangeLog
PR c++/85027
* class.c (instantiate_type): Peel off SAVE_EXPR before
BASELINK.
jakub [Fri, 30 Mar 2018 18:38:36 +0000 (18:38 +0000)]
PR c++/84791
* semantics.c (finish_omp_reduction_clause): If
OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
even if processing_template_decl.
pault [Fri, 30 Mar 2018 12:33:49 +0000 (12:33 +0000)]
2018-03-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/84931
* simplify.c (gfc_convert_constant): Handle case of array
constructors within an array that has no iterator and improve
the conciseness of this section of code.
2018-03-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/84931
* gfortran.dg/array_constructor_53.f90: New test.
tkoenig [Fri, 30 Mar 2018 09:58:35 +0000 (09:58 +0000)]
2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/85111
* array.c (gfc_resolve_character_array_constructor): Early
exit for zero-size arrays.
* simplify.c (simplify_transformation_to_array): Exit early
if the result size is zero.
(simplify_minmaxloc_to_array): Likewise.
2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/85111
* gfortran.dg/zero_sized_10.f90: New test.
tkoenig [Fri, 30 Mar 2018 09:56:46 +0000 (09:56 +0000)]
2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/85111
* array.c (gfc_resolve_character_array_constructor): Early
exit for zero-size arrays.
* simplify.c (simplify_transformation_to_array): Exit early
if the result size is zero.
(simplify_minmaxloc_to_array): Likewise.
2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/85111
* gfortran.dg/zero_sized_10.f90: New test.
dmalcolm [Thu, 29 Mar 2018 20:43:48 +0000 (20:43 +0000)]
More #include suggestions (PR c++/84269)
PR c++/84269 reports a number of names in the C and C++ standard
libraries for which we don't yet offer #include fix-it hints.
This patch adds them (up to comment #9).
gcc/c-family/ChangeLog:
PR c++/84269
* known-headers.cc (get_stdlib_header_for_name): Add various names
from <assert.h>, <string.h>, and <memory.h>; add more names from
<stdio.h>.
gcc/cp/ChangeLog:
PR c++/84269
* name-lookup.c (get_std_name_hint): Add names from <memory>,
<tuple>, and <utility>.
gcc/testsuite/ChangeLog:
PR c++/84269
* g++.dg/lookup/missing-std-include-6.C: New test.
* g++.dg/lookup/missing-std-include.C: Add std::pair and
std::tuple tests.
* g++.dg/spellcheck-reswords.C: Expect a hint about <cstring>.
* g++.dg/spellcheck-stdlib.C: Add tests for names in <cstdio>,
<cstring>, <cassert>, and <cstdlib>.
dmalcolm [Thu, 29 Mar 2018 14:43:01 +0000 (14:43 +0000)]
More underlining of bad arguments (PR c++/85110)
As of r256448, the C++ frontend underlines many bad arguments in its
diagnostics; those where perform_overload_resolution returns a
non-NULL candidate, but there's a failure in convert_like_real.
However, for the case where perform_overload_resolution fails, but
there's a single non-viable candidate, the error is diagnosed by
cp_build_function_call_vec, and that currently doesn't underline
the bad argument:
$ g++ test.cc
test.cc: In function 'void caller(const char*)':
test.cc:6:20: error: cannot convert 'const char*' to 'const char**' for argument '2' to 'void callee(int, const char**, int)'
callee (1, fmt, 3);
^
It's going through convert_for_assignment, and
implicitly using input_location.
This patch updates convert_for_assignment for this case, using
an EXPR_LOCATION if there is one, or falling back to input_location
otherwise, underlining the argument in question:
test.cc: In function 'void caller(const char*)':
test.cc:6:14: error: cannot convert 'const char*' to 'const char**' for argument '2' to 'void callee(int, const char**, int)'
callee (1, fmt, 3);
^~~
gcc/cp/ChangeLog:
PR c++/85110
* typeck.c (convert_for_assignment): When complaining due to
conversions for an argument, attempt to use the location of the
argument.
gcc/testsuite/ChangeLog:
PR c++/85110
* g++.dg/diagnostic/param-type-mismatch-2.C: New test.
hjl [Thu, 29 Mar 2018 13:14:06 +0000 (13:14 +0000)]
i386: Enable AVX/AVX512 features only if supported by OSXSAVE
Enable AVX and AVX512 features only if their states are supported by
OSXSAVE.
PR target/85100
* config/i386/cpuinfo.c (XCR_XFEATURE_ENABLED_MASK): New.
(XSTATE_FP): Likewise.
(XSTATE_SSE): Likewise.
(XSTATE_YMM): Likewise.
(XSTATE_OPMASK): Likewise.
(XSTATE_ZMM): Likewise.
(XSTATE_HI_ZMM): Likewise.
(XCR_AVX_ENABLED_MASK): Likewise.
(XCR_AVX512F_ENABLED_MASK): Likewise.
(get_available_features): Enable AVX and AVX512 features only
if their states are supported by OSXSAVE.
marxin [Thu, 29 Mar 2018 13:02:23 +0000 (13:02 +0000)]
Documentation tweaks.
2018-03-29 Martin Liska <mliska@suse.cz>
PR lto/84995.
* doc/invoke.texi: Document how LTO works with debug info.
Describe auto-load support of binutils. Mention 'x86-64'
as valid option value of -march option.
jakub [Thu, 29 Mar 2018 10:37:58 +0000 (10:37 +0000)]
PR c/85094
* fold-const.c (operand_equal_p): Handle DEBUG_BEGIN_STMT.
For STATEMENT_LIST, pass down OEP_LEXICOGRAPHIC and maybe
OEP_NO_HASH_CHECK for recursive call, to avoid exponential
checking.
* c-c++-common/Wduplicated-branches-14.c: New test.
jakub [Wed, 28 Mar 2018 19:15:39 +0000 (19:15 +0000)]
PR tree-optimization/82004
* gimple-match-head.c (optimize_pow_to_exp): New function.
* match.pd (pow(C,x) -> exp(log(C)*x)): Wrap with #if GIMPLE.
Don't fold to exp if optimize_pow_to_exp is false.
marxin [Wed, 28 Mar 2018 14:45:21 +0000 (14:45 +0000)]
Fix wrong use-after-scope sanitization for omp variable (PR sanitizer/85081).
2018-03-28 Jakub Jelinek <jakub@redhat.com>
Martin Liska <mliska@suse.cz>
PR sanitizer/85081
* gimplify.c (asan_poison_variable): Don't do the check for
gimplify_omp_ctxp here.
(gimplify_decl_expr): Do it here.
(gimplify_target_expr): Likewise.
2018-03-28 Jakub Jelinek <jakub@redhat.com>
Martin Liska <mliska@suse.cz>
PR sanitizer/85081
* g++.dg/asan/pr85081.C: New test.
jakub [Wed, 28 Mar 2018 11:59:06 +0000 (11:59 +0000)]
* gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
* ioparm.def (IOPARM_dt_default_exp): Rename to ...
(IOPARM_dt_dec_ext): ... this.
* trans-io.c (build_dt): Adjust for default_exp renaming to
dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
* io.c (match_io): Likewise.
* io/io.h (IOPARM_DT_DEFAULT_EXP): Rename to ...
(IOPARM_DT_DEC_EXT): ... this.
* io/list_read.c (parse_real): Adjust for IOPARM_DT_DEFAULT_EXP
renaming to IOPARM_DT_DEC_EXT.
(read_real): Likewise.
* io/read.c (read_f): Likewise.
aoliva [Wed, 28 Mar 2018 05:05:30 +0000 (05:05 +0000)]
[PR c++/84789] adjust testcase for -fconcepts
When compiling with -fconcepts,
cp_parser_template_declaration_after_export calls
cp_parser_template_introduction and that preparses qualified-ids not
preceded by typename in such a way that, when we get to
cp_parser_parse_and_diagnose_invalid_type_name and then
cp_parser_diagnose_invalid_type_name, the nested name specifier no
longer carries the previous template-dependent context, so we don't
stand a chance to suggest the use of 'typename' any more. Thus,
tolerate in the testcase the poorer error messages we get.
for gcc/testsuite/ChangeLog
PR c++/84789
* g++.dg/template/pr84789.C: Adjust for testing with
-fconcepts too.
aoliva [Wed, 28 Mar 2018 05:05:14 +0000 (05:05 +0000)]
[PR c++/84973] don't defer output of uninstantiated templates
When an anon struct gets a name through a typedef, we reset its
linkage and that of its members. Member functions may get vague
linkage, which schedules them for deferred output, but we don't want
to add them to the queue if they're uninstantiated templates,
e.g. because the enclosing function is a template. They will be added
as needed when the enclosing template is instantiated.
aoliva [Wed, 28 Mar 2018 05:04:59 +0000 (05:04 +0000)]
[PR c++/84968] reject stmt-exprs in noexcept constexprs
We reject extended statement-expressions in template parameters, so we
might as well reject them in constant expressions used in noexcept
specifications.
meissner [Tue, 27 Mar 2018 23:14:22 +0000 (23:14 +0000)]
[gcc]
2018-03-27 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/84914
* config/rs6000/rs6000.c (create_complex_muldiv): New helper
function to create the function decl for complex long double
multiply and divide for -mabi=ieeelongdouble.
(init_float128_ieee): Call it.
[gcc/testsuite]
2018-03-27 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/84914
* gcc.target/powerpc/mulkc-2.c: New tests to make sure complex
long double multiply/divide uses the correct function.
* gcc.target/powerpc/mulkc-3.c: Likewise.
* gcc.target/powerpc/divkc-2.c: Likewise.
* gcc.target/powerpc/divkc-3.c: Likewise.
jakub [Tue, 27 Mar 2018 19:59:30 +0000 (19:59 +0000)]
PR c++/85061
* c-common.c (fold_offsetof_1) <case COMPOUND_EXPR>: Assert that
get_base_address of the second operand is a VAR_P, rather than the
operand itself, and use gcc_checking_assert instead of gcc_assert.
hjl [Tue, 27 Mar 2018 17:18:51 +0000 (17:18 +0000)]
i386: Insert ENDBR to trampoline for -fcf-protection=branch -mibt
When -fcf-protection=branch -mibt are used, we need to insert ENDBR
to trampoline. TRAMPOLINE_SIZE is creased by 4 bytes to accommodate
4-byte ENDBR instruction.
gcc/
PR target/85044
* config/i386/i386.c (ix86_trampoline_init): Insert ENDBR for
-fcf-protection=branch -mibt.
* config/i386/i386.h (TRAMPOLINE_SIZE): Increased by 4 bytes.
gcc/testsuite/
PR target/85044
* gcc.target/i386/pr85044.c: New test.
ktkachov [Tue, 27 Mar 2018 16:52:10 +0000 (16:52 +0000)]
[AArch64] XFAIL gcc.target/aarch64/store_v2vec_lanes.c for ILP32
The test in question fails for ilp32. The initial analysis I did in the PR for it
is that for ILP32 we generate somewhat different address forms that we'd need to adjust aarch64_classify_address to catch.
Given the optimisation this test checks for was added for GCC 8 it is not a regression, and improving the codegen on ILP32
would be an enhancement rather than a fix. So Richi has asked for it to be marked as XFAIL on ILP32, which is what this
patch does.
Checked that the test still passes on LP64 and appears as XFAIL on -mabi=ilp32.
PR target/83009
* gcc.target/aarch64/store_v2vec_lanes.c: XFAIL for ilp32.
ramana [Tue, 27 Mar 2018 14:06:20 +0000 (14:06 +0000)]
[Patch ARM] Fix PR target/81863
This has been in my patch stack for quite some time. The problem here
was that we weren't handling arm_word_relocations in
arm_valid_symbolic_address and is the surest fix for this
for GCC8 and GCC7.
Regression tested on arm-none-linux-gnueabihf . Applying to
trunk and backporting to GCC-7 in a day or so.
rguenth [Tue, 27 Mar 2018 13:26:04 +0000 (13:26 +0000)]
2018-03-27 Richard Biener <rguenther@suse.de>
PR testsuite/82847
* lib/target-supports.exp (check_ssse3_available): New function.
(check_effective_target_vect_perm_short): Enable for x86 if
check_ssse3_available.
* config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES
* common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]):
Turn on fasynchronous-unwind-tables and funwind-tables.
paolo [Tue, 27 Mar 2018 06:52:04 +0000 (06:52 +0000)]
/cp
2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
Jason Merrill <jason@redhat.com>
PR c++/84632
* init.c (build_aggr_init): When initializing from array,
reject anything but CONSTRUCTORs and TARGET_EXPRs.
(build_vec_init): Handle separately ARRAY_TYPEs.
/testsuite
2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
Jason Merrill <jason@redhat.com>
vries [Mon, 26 Mar 2018 09:45:49 +0000 (09:45 +0000)]
Fix switch conversion in offloading functions
2018-03-26 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/85063
* omp-general.c (offloading_function_p): New function. Factor out
of ...
* omp-offload.c (pass_omp_target_link::gate): ... here.
* omp-general.h (offloading_function_p): Declare.
* tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable
with attribute omp declare target for offloading functions.
* testsuite/libgomp.c/switch-conversion-2.c: New test.
* testsuite/libgomp.c/switch-conversion.c: New test.
* testsuite/libgomp.oacc-c-c++-common/switch-conversion-2.c: New test.
* testsuite/libgomp.oacc-c-c++-common/switch-conversion.c: New test.
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