platform/upstream/gcc.git
5 years agoRefactor SFINAE constraints on std::tuple constructors
Jonathan Wakely [Thu, 6 Jun 2019 12:13:36 +0000 (13:13 +0100)]
Refactor SFINAE constraints on std::tuple constructors

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

5 years agoMSP430: Use minimal code size library shift functions when optimizing for size
Jozef Lawrynowicz [Thu, 6 Jun 2019 12:10:19 +0000 (12:10 +0000)]
MSP430: Use minimal code size library shift functions when optimizing for size

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

5 years agore PR rtl-optimization/88751 (Performance regression reload vs lra)
Andreas Krebbel [Thu, 6 Jun 2019 11:35:04 +0000 (11:35 +0000)]
re PR rtl-optimization/88751 (Performance regression reload vs lra)

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

5 years ago* configure: Regenerate.
Jakub Jelinek [Thu, 6 Jun 2019 09:32:07 +0000 (11:32 +0200)]
* configure: Regenerate.

From-SVN: r271994

5 years agoMSP430: Emulate 16-bit shifts with rotate insn when src operand is in memory
Jozef Lawrynowicz [Thu, 6 Jun 2019 09:23:10 +0000 (09:23 +0000)]
MSP430: Emulate 16-bit shifts with rotate insn when src operand is in memory

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

5 years agoMSP430: Put libgcc shift functions in their own section
Jozef Lawrynowicz [Thu, 6 Jun 2019 09:07:36 +0000 (09:07 +0000)]
MSP430: Put libgcc shift functions in their own section

2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

* config/msp430/slli.S (__mspabi_slli_n): Put function in its own
section.
(__mspabi_slli): Likewise.
(__mspabi_slll_n): Likewise.
(__mspabi_slll): Likewise.
* config/msp430/srai.S (__mspabi_srai_n): Likewise.
(__mspabi_srai): Likewise.
(__mspabi_sral_n): Likewise.
(__mspabi_sral): Likewise.
* config/msp430/srli.S (__mspabi_srli_n): Likewise.
(__mspabi_srli): Likewise.
(__mspabi_srll_n): Likewise.
(__mspabi_srll): Likewise.

From-SVN: r271992

5 years agoSimplify mult where both arguments are 0 or 1 (PR tree-optimization/87954).
Martin Liska [Thu, 6 Jun 2019 07:55:51 +0000 (09:55 +0200)]
Simplify mult where both arguments are 0 or 1 (PR tree-optimization/87954).

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

5 years agovr-values.c (vr_values::extract_range_from_ssa_name): Do not put equivalences on...
Richard Biener [Thu, 6 Jun 2019 07:32:44 +0000 (07:32 +0000)]
vr-values.c (vr_values::extract_range_from_ssa_name): Do not put equivalences on UNDEFINED ranges.

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

5 years agotree-ssa-structalias.c: Include tree-cfg.h.
Richard Biener [Thu, 6 Jun 2019 07:25:19 +0000 (07:25 +0000)]
tree-ssa-structalias.c: Include tree-cfg.h.

2019-06-06  Richard Biener  <rguenther@suse.de>

* tree-ssa-structalias.c: Include tree-cfg.h.
(make_heapvar): Do not make heap vars artificial.
(find_func_aliases_for_builtin_call): Handle stack allocation
functions.
(find_func_aliases): Delay processing of simple enough returns
in non-IPA mode.
(set_uids_in_ptset): Adjust.
(find_what_var_points_to): Likewise.
(solve_constraints): Do not dump points-to sets here.
(compute_points_to_sets): Post-process return statements,
amending the escaped solution.  Dump points-to sets afterwards.
(ipa_pta_execute): Dump points-to sets.

* gcc.dg/tree-ssa/alias-37.c: New testcase.
* gcc.dg/torture/20190604-1.c: Likewise.
* gcc.dg/tree-ssa/pta-callused.c: Adjust.

From-SVN: r271989

5 years agoFix HTML headers and titles for 'Installing GCC' pages (PR web/87933).
Martin Liska [Thu, 6 Jun 2019 07:20:16 +0000 (09:20 +0200)]
Fix HTML headers and titles for 'Installing GCC' pages (PR web/87933).

2019-06-06  Martin Liska  <mliska@suse.cz>

PR web/87933
* doc/install.texi: Fix HTML headers and
titles for 'Installing GCC' pages.

From-SVN: r271988

5 years agoIPA ICF: enhance dump output
Martin Liska [Thu, 6 Jun 2019 07:19:58 +0000 (09:19 +0200)]
IPA ICF: enhance dump output

2019-06-06  Martin Liska  <mliska@suse.cz>

* ipa-icf-gimple.h (dump_message_1): Remove.
(dump_message): Likewise.
(return_false_with_message_1): Print also file.
(return_false_with_msg): Likewise.
(return_with_result): Likewise.
(return_with_debug): Likewise.
* ipa-icf.c (sem_function::equals_private): Remove call
to dump_message.

From-SVN: r271987

5 years ago[ARC] Update tmac tests.
Claudiu Zissulescu [Thu, 6 Jun 2019 07:19:36 +0000 (09:19 +0200)]
[ARC] Update tmac tests.

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

5 years agoPR c/90737 - [8/9/10 Regression] inconsistent address of a local converted to intptr_...
Martin Sebor [Thu, 6 Jun 2019 02:53:01 +0000 (02:53 +0000)]
PR c/90737 - [8/9/10 Regression] inconsistent address of a local converted to intptr_t between callee and caller

gcc/c/ChangeLog:

PR c/90737
* c-typeck.c (c_finish_return): Only consider functions returning
pointers as candidates for -Wreturn-local-addr.

gcc/cp/ChangeLog:

PR c/90737
* typeck.c (maybe_warn_about_returning_address_of_local): Only
consider functions returning pointers as candidates for
-Wreturn-local-addr.

gcc/testsuite/ChangeLog:

PR c/90737
* c-c++-common/Wreturn-local-addr.c: New test.
* g++.dg/warn/Wreturn-local-addr-6.C: New test.

From-SVN: r271985

5 years agosse.md (define_mode_suffix vecmemsuffix): New.
Hongtao Liu [Thu, 6 Jun 2019 01:14:04 +0000 (01:14 +0000)]
sse.md (define_mode_suffix vecmemsuffix): New.

gcc/
2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>

* config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
(define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
memory operand for it.
(define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.

gcc/testsuite
2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>

* gcc.target/i386/avx512dq-vfpclasspd-1.c: Adjust scan assember
for {x,y,z} suffix.
* gcc.target/i386/avx512dq-vfpclassps-1.c: Ditto.

From-SVN: r271984

5 years agocompiler: make use of specialized fast map routines
Ian Lance Taylor [Thu, 6 Jun 2019 00:44:01 +0000 (00:44 +0000)]
compiler: make use of specialized fast map routines

    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

5 years agoDaily bump.
GCC Administrator [Thu, 6 Jun 2019 00:16:21 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r271982

5 years agoconfig.host (rx-*-linux*): Add t-fdpbit to tmake_file Add appropriate tm_file clause...
Yoshinori Sato [Wed, 5 Jun 2019 23:20:27 +0000 (08:20 +0900)]
config.host (rx-*-linux*): Add t-fdpbit to tmake_file Add appropriate tm_file clause as well.

        * config.host (rx-*-linux*): Add t-fdpbit to tmake_file
        Add appropriate tm_file clause as well.
        * config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Remove.

From-SVN: r271978

5 years agocrtbegin.S (__dso_handle): Put in .sdata/.sbss rather than .data/.bss so it can be...
James Clarke [Wed, 5 Jun 2019 22:27:37 +0000 (22:27 +0000)]
crtbegin.S (__dso_handle): Put in .sdata/.sbss rather than .data/.bss so it can be accessed via...

* 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

5 years agocompiler: inline call expressions and function references
Ian Lance Taylor [Wed, 5 Jun 2019 21:05:38 +0000 (21:05 +0000)]
compiler: inline call expressions and function references

    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

5 years agogcc_diag-11.c: Skip until -Wformat-diag has been committed.
Martin Sebor [Wed, 5 Jun 2019 20:32:24 +0000 (20:32 +0000)]
gcc_diag-11.c: Skip until -Wformat-diag has been committed.

gcc/testsuite/ChangeLog:

* gcc.dg/format/gcc_diag-11.c: Skip until -Wformat-diag has
been committed.

From-SVN: r271975

5 years agodecl.c (smallest_type_location): New.
Paolo Carlini [Wed, 5 Jun 2019 20:07:01 +0000 (20:07 +0000)]
decl.c (smallest_type_location): New.

/cp
2019-06-05  Paolo Carlini  <paolo.carlini@oracle.com>

* decl.c (smallest_type_location): New.
(check_special_function_return_type): Use it.
(grokdeclarator): Lkewise.

/testsuite
2019-06-05  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/diagnostic/return-type-invalid-1.C: New.
* g++.old-deja/g++.brendan/crash16.C: Adjust.
* g++.old-deja/g++.law/ctors5.C: Likewise.

/cp
2019-06-05  Paolo Carlini  <paolo.carlini@oracle.com>

* decl.c (grokdeclarator): Use locations[ds_friend]
in one place.

/testsuite
2019-06-05  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/other/friend4.C: Test locations too.
* g++.dg/other/friend5.C: Likewise.
* g++.dg/other/friend7.C: Likewise.

From-SVN: r271974

5 years agoc-decl.c (start_decl): Adjust quoting and hyphenation in diagnostics.
Martin Sebor [Wed, 5 Jun 2019 18:30:48 +0000 (18:30 +0000)]
c-decl.c (start_decl): Adjust quoting and hyphenation in diagnostics.

gcc/c/ChangeLog:

* c-decl.c (start_decl): Adjust quoting and hyphenation
in diagnostics.
(finish_decl): Same.
(finish_enum): Same.
(start_function): Same.
(declspecs_add_type): Same.
* c-parser.c (warn_for_abs): Same.
* c-typeck.c (build_binary_op): Same.

gcc/c-family/ChangeLog:

* c-attribs.c (handle_mode_attribute): Adjust quoting and hyphenation.
(handle_alias_ifunc_attribute): Same.
(handle_copy_attribute): Same.
(handle_weakref_attribute): Same.
(handle_nonnull_attribute): Same.
* c-warn.c (warn_for_sign_compare): Same.
(warn_for_restrict): Same.
* c.opt: Same.

gcc/cp/ChangeLog:

* call.c (build_conditional_expr_1): Adjust quoting and hyphenation.
(convert_like_real): Same.
(convert_arg_to_ellipsis): Same.
* constexpr.c (diag_array_subscript): Same.
* constraint.cc (diagnose_trait_expression): Same.
* cvt.c (ocp_convert): Same.
* decl.c (start_decl): Same.
(check_for_uninitialized_const_var): Same.
(grokfndecl): Same.
(check_special_function_return_type): Same.
(finish_enum_value_list): Same.
(start_preparsed_function): Same.
* parser.c (cp_parser_decl_specifier_seq): Same.
* typeck.c (cp_build_binary_op): Same.
(build_static_cast_1): Same.

gcc/lto/ChangeLog:

* lto-common.c (lto_file_finalize): Adjust quoting and hyphenation.

gcc/objc/ChangeLog:

* objc-act.c (objc_build_setter_call): Adjust quoting and hyphenation.
* objc-encoding.c (encode_gnu_bitfield): Same.

gcc/ChangeLog:

* config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
Adjust quoting and hyphenation.
* convert.c (convert_to_real_1): Same.
* gcc.c (driver_wrong_lang_callback): Same.
(driver::handle_unrecognized_options): Same.
* gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
* opts-common.c (cmdline_handle_error): Same.
(read_cmdline_option): Same.
* opts-global.c (complain_wrong_lang): Same.
(print_ignored_options): Same.
(handle_common_deferred_options): Same.
* pretty-print.h: Same.
* print-rtl.c (debug_bb_n_slim): Same.
* sched-rgn.c (make_pass_sched_fusion): Same.
* tree-cfg.c (verify_gimple_assign_unary): Same.
(verify_gimple_label): Same.
* tree-ssa-operands.c (verify_ssa_operands): Same.
* varasm.c (do_assemble_alias): Same.
(assemble_alias): Same.

From-SVN: r271971

5 years agoalpha.c (direct_return): Move down after struct machine_function definition...
Richard Henderson [Wed, 5 Jun 2019 18:16:18 +0000 (11:16 -0700)]
alpha.c (direct_return): Move down after struct machine_function definition...

* config/alpha/alpha.c (direct_return): Move down after
struct machine_function definition; use saved frame_size;
return bool.
(struct machine_function): Add sa_mask, sa_size, frame_size.
(alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
(alpha_compute_frame_layout): ... new function.
(TARGET_COMPUTE_FRAME_LAYOUT): New.
(alpha_initial_elimination_offset): Use saved sa_size.
(alpha_vms_initial_elimination_offset): Likewise.
(alpha_vms_can_eliminate): Remove alpha_sa_size call.
(alpha_expand_prologue): Use saved frame data.  Merge integer
and fp register save loops.
(alpha_expand_epilogue): Likewise.
(alpha_start_function): Use saved frame data.
* config/alpha/alpha-protos.h (direct_return): Update.
(alpha_sa_size): Remove.

From-SVN: r271970

5 years agoChangeLog for PR c++/63149
Nina Dinka Ranns [Wed, 5 Jun 2019 18:12:53 +0000 (14:12 -0400)]
ChangeLog for PR c++/63149

From-SVN: r271969

5 years agoPR c++/63149 - wrong auto deduction from braced-init-list
Nina Dinka Ranns [Wed, 5 Jun 2019 18:11:20 +0000 (14:11 -0400)]
PR c++/63149 - wrong auto deduction from braced-init-list

2019-06-04  Nina Dinka Ranns  <dinka.ranns@gmail.com>

    gcc/cp/
    * pt.c (listify_autos): Use non cv qualified auto_node in
    std::initializer_list<auto>.

    testsuite/
    * g++.dg/cpp0x/initlist-deduce2.C: New test.

From-SVN: r271968

5 years agoaix-unwind.h (LR_REGNO): Rename to R_LR.
David Edelsohn [Wed, 5 Jun 2019 16:45:57 +0000 (16:45 +0000)]
aix-unwind.h (LR_REGNO): Rename to R_LR.

* config/rs6000/aix-unwind.h (LR_REGNO): Rename to R_LR.
(CR2_REGNO): Rename to R_CR2.
(XER_REGNO): Rename to R_XER.
(FIRST_ALTIVEC_REGNO): Rename to R_FIRST_ALTIVEC.
(VRSAVE_REGNO): Rename to R_VRSAVE.
(VSCR_REGNO): R_VSCR.

From-SVN: r271967

5 years agors6000: Fix new testcase
Segher Boessenkool [Wed, 5 Jun 2019 16:21:07 +0000 (18:21 +0200)]
rs6000: Fix new testcase

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

5 years agoc-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
Martin Sebor [Wed, 5 Jun 2019 14:24:03 +0000 (14:24 +0000)]
c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.

gcc/c-family/ChangeLog:

* c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
* c.opt (-Wformat-diag): Remove a spurious period.

gcc/testsuite/ChangeLog:

* gcc.dg/weak/weak-19.c: New test.

From-SVN: r271965

5 years agofold-const.c (extract_muldiv_1): Do not distribute a multiplication by a power-of...
Eric Botcazou [Wed, 5 Jun 2019 14:14:40 +0000 (14:14 +0000)]
fold-const.c (extract_muldiv_1): Do not distribute a multiplication by a power-of-two value.

* 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

5 years ago[PATCH][GCC][AARCH64] Add tests for pointer authentication B-key
Sam Tebbs [Wed, 5 Jun 2019 11:06:56 +0000 (11:06 +0000)]
[PATCH][GCC][AARCH64] Add tests for pointer authentication B-key

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

5 years agore PR debug/90733 (ICE in simplify_subreg, at simplify-rtx.c:6440)
Jakub Jelinek [Wed, 5 Jun 2019 09:41:13 +0000 (11:41 +0200)]
re PR debug/90733 (ICE in simplify_subreg, at simplify-rtx.c:6440)

PR debug/90733
* var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
with VOIDmode inner operands.

* gcc.dg/pr90733.c: New test.

From-SVN: r271952

5 years agore PR middle-end/90726 (exponential behavior on SCEV results everywhere)
Richard Biener [Wed, 5 Jun 2019 08:26:36 +0000 (08:26 +0000)]
re PR middle-end/90726 (exponential behavior on SCEV results everywhere)

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

5 years agoomp-expand.c (struct omp_region): Add has_lastprivate_conditional member.
Jakub Jelinek [Wed, 5 Jun 2019 07:52:23 +0000 (09:52 +0200)]
omp-expand.c (struct omp_region): Add has_lastprivate_conditional member.

* omp-expand.c (struct omp_region): Add has_lastprivate_conditional
member.
(expand_parallel_call): If region->inner->has_lastprivate_conditional,
treat it like explicit monotonic schedule modifier.
(expand_omp_for): Initialize has_lastprivate_conditional.
If fd.lastprivate_conditional != 0, treat it like explicit monotonic
schedule modifier.

From-SVN: r271949

5 years agoomp-low.c (lower_rec_input_clauses): For lastprivate conditional references...
Jakub Jelinek [Wed, 5 Jun 2019 07:37:40 +0000 (09:37 +0200)]
omp-low.c (lower_rec_input_clauses): For lastprivate conditional references...

* 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

5 years agoomp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and on privatization...
Jakub Jelinek [Wed, 5 Jun 2019 07:36:30 +0000 (09:36 +0200)]
omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and on privatization clauses OMP_CLAUSE_DECL is...

* 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

5 years agore PR target/89803 (Missing AVX512 intrinsics)
Hongtao Liu [Wed, 5 Jun 2019 06:04:22 +0000 (06:04 +0000)]
re PR target/89803 (Missing AVX512 intrinsics)

gcc/
2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>

PR target/89803
* config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
_mm_mask_fpclass_sd_mask): New intrinsics.
(_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
* config/i386/i386-builtin.def
(__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
New builtins.
(__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
* config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
* config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
case QI_FTYPE_V2SF_INT): Ditto.
* config/i386/sse.md
(define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
Extended to insnstructions with mask operands.

gcc/testsuite
2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>

PR target/89803
* gcc.target/i386/avx-1.c (__builtin_ia32_fpclasssss,
__builtin_ia32_fpclasssd): Removed.
(__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask): Define.
* gcc.target/i386/sse-13.c (__builtin_ia32_fpclasssss,
__builtin_ia32_fpclasssd): Removed.
(__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask): Define.
* gcc.target/i386/sse-23.c (__builtin_ia32_fpclasssss,
__builtin_ia32_fpclasssd): Removed.
(__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask): Define.
* gcc.target/i386/avx512dq-vfpclassss-2.c: New.
* gcc.target/i386/avx512dq-vfpclasssd-2.c: New.
* gcc.target/i386/avx512dq-vfpclassss-1.c (avx512f_test):
Add test for _mm_mask_fpclass_ss_mask.
* gcc.target/i386/avx512dq-vfpclasssd-1.c (avx512f_test):
Add test for _mm_mask_fpclass_sd_mask.

From-SVN: r271946

5 years agocompiler: statically allocate constant interface data
Ian Lance Taylor [Wed, 5 Jun 2019 00:18:17 +0000 (00:18 +0000)]
compiler: statically allocate constant interface data

    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

5 years agoDaily bump.
GCC Administrator [Wed, 5 Jun 2019 00:16:20 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r271944

5 years agors6000: Update direct-move* testcases
Segher Boessenkool [Tue, 4 Jun 2019 23:38:35 +0000 (01:38 +0200)]
rs6000: Update direct-move* testcases

This fixes some testcases that the last fifteen or so patches broke.
In all these cases we no longer need to set VSX_REG_ATTR: the default
value of "wa" is correct.

gcc/testsuite/
* gcc.target/powerpc/direct-move-double1.c (VSX_REG_ATTR): Delete.
* gcc.target/powerpc/direct-move-double2.c: Ditto.
* gcc.target/powerpc/direct-move-float1.c: Ditto.
* gcc.target/powerpc/direct-move-float2.c: Ditto.
* gcc.target/powerpc/direct-move-vint1.c: Ditto.
* gcc.target/powerpc/direct-move-vint2.c: Ditto.

From-SVN: r271940

5 years agors6000: Remove wp and wq
Segher Boessenkool [Tue, 4 Jun 2019 23:37:38 +0000 (01:37 +0200)]
rs6000: Remove wp and wq

wp becomes wa with isa p9tf, and wq is replaced by wa with isa p9kf.
To manage to do that, there is the new mode attribute VSisa.

* config/rs6000/constraints.md (define_register_constraint "wp"):
Delete.
(define_register_constraint "wq"): Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
* config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
(define_mode_attr VSa): Delete.
(define_mode_attr VSisa): New.
(rest of file): Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271939

5 years agors6000: Add p9kf and p9tf isa values
Segher Boessenkool [Tue, 4 Jun 2019 23:36:49 +0000 (01:36 +0200)]
rs6000: Add p9kf and p9tf isa values

This adds "p9kf" and "p9tf" isa values, to be used for instruction
alternatives where KFmode resp. TFmode is used.

* config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
(define_attr "enabled"): Handle those new isa values.

From-SVN: r271938

5 years agors6000: More simplification
Segher Boessenkool [Tue, 4 Jun 2019 23:36:01 +0000 (01:36 +0200)]
rs6000: More simplification

A whole bunch of mode attributes are used only once.  Things are
easier to read if we just expand those patterns.  It's shorter, too.

* config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
(define_mode_attr VSr5): Delete.
(define_mode_attr VStype_sqrt): Delete.
(define_mode_iterator VSX_SPDP): Delete.
(define_mode_attr VS_spdp_res): Delete.
(define_mode_attr VS_spdp_insn): Delete.
(define_mode_attr VS_spdp_type): Delete.
(*vsx_sqrt<mode>2): Adjust.
(vsx_<VS_spdp_insn>): Delete, split to...
(vsx_xscvdpsp): ... this.  New.  And...
(vsx_xvcvspdp): ... this.  New.  And...
(vsx_xvcvdpsp): ... this.  New.

From-SVN: r271937

5 years agors6000: <VSs> -> <sd>p
Segher Boessenkool [Tue, 4 Jun 2019 23:35:13 +0000 (01:35 +0200)]
rs6000: <VSs> -> <sd>p

We don't need the <VSs> mode attribute, if we make <sd> work for V4SF
and V2DF just like for SF and DF.

* config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
and V2DF.
* config/rs6000/vsx.md (define_mode_attr VSs): Delete.
(rest of file): Adjust.

From-SVN: r271936

5 years agors6000: ww->wa in testsuite
Segher Boessenkool [Tue, 4 Jun 2019 23:34:21 +0000 (01:34 +0200)]
rs6000: ww->wa in testsuite

I should have factored this series better.  Oh well.  Near the end,
let's call it loose ends.

gcc/testsuite/
* gcc.target/powerpc/direct-move-float1.c: Use "wa" instead of "ww"
constraint.

From-SVN: r271935

5 years agors6000: VSa->wa for some more cases
Segher Boessenkool [Tue, 4 Jun 2019 23:33:18 +0000 (01:33 +0200)]
rs6000: VSa->wa for some more cases

* config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
(vsx_extract_<mode>_var): Ditto.

From-SVN: r271934

5 years agors6000: Simplify <VSa> for VSX_TI
Segher Boessenkool [Tue, 4 Jun 2019 23:32:21 +0000 (01:32 +0200)]
rs6000: Simplify <VSa> for VSX_TI

When used in VSX_TI, <VSa> is always just "wa".

* config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
with just "wa".

From-SVN: r271933

5 years agors6000: ww -> wa
Segher Boessenkool [Tue, 4 Jun 2019 23:31:32 +0000 (01:31 +0200)]
rs6000: ww -> wa

"ww" can always be "wa".

* config/rs6000/constraints.md (define_register_constraint "ww"):
Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_ww.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271932

5 years agors6000: Remove Ftrad, Fvsx, Fs; add s and sd
Segher Boessenkool [Tue, 4 Jun 2019 23:30:43 +0000 (01:30 +0200)]
rs6000: Remove Ftrad, Fvsx, Fs; add s and sd

This removes the <Ftrad>, <Fvsx>, and <Fs> mode attributes, and creates
new <sd> and <s> mode attributes instead.  <sd> is either "s" or "d",
depending on whether the mode is single-precision or double-precision
floating point; and <s> is either "s" or nothing.

* config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
(define_mode_attr sd): New.
(define_mode_attr s): New.
(define_mode_attr Ftrad): Delete.
(define_mode_attr Fvsx): Delete.
(define_mode_attr Fs): Delete.
(rest of file): Use the new mode attributes.
* config.rs6000/vsx.md: Use the new mode attributes.

From-SVN: r271931

5 years agors6000: Simplify <VSa> for VSX_W
Segher Boessenkool [Tue, 4 Jun 2019 23:29:31 +0000 (01:29 +0200)]
rs6000: Simplify <VSa> for VSX_W

When used in VSX_W, <VSa> is always just "wa".

* config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
with just "wa".

From-SVN: r271930

5 years agors6000: Simplify VS[ra]* for VSX_[BDF]
Segher Boessenkool [Tue, 4 Jun 2019 23:27:57 +0000 (01:27 +0200)]
rs6000: Simplify VS[ra]* for VSX_[BDF]

When used in VSX_B, VSX_D, or VSX_F, both <VSr> and <VSa> are always
just "wa" now.  Similarly <VSr2> and <VSr3>.  The former of those is
always "wa", so we can remove the mode attribute completely.

* config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
(rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
used with VSX_B, VSX_D, or VSX_F, with just "wa".

From-SVN: r271929

5 years agodecl.c (grokdeclarator): Use declarator->id_loc in two additional places.
Paolo Carlini [Tue, 4 Jun 2019 23:10:56 +0000 (23:10 +0000)]
decl.c (grokdeclarator): Use declarator->id_loc in two additional places.

/cp
2019-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

* decl.c (grokdeclarator): Use declarator->id_loc in two
additional places.

/testsuite
2019-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/concepts/pr60573.C: Test locations too.
* g++.dg/cpp0x/deleted13.C: Likewise.
* g++.dg/parse/error29.C: Likewise.
* g++.dg/parse/qualified4.C: Likewise.
* g++.dg/template/crash96.C Likewise.
* g++.old-deja/g++.brendan/crash22.C Likewise.
* g++.old-deja/g++.brendan/crash23.C Likewise.
* g++.old-deja/g++.law/visibility10.C Likewise.
* g++.old-deja/g++.other/decl5.C: Likewise.

From-SVN: r271928

5 years agore PR target/78263 (Compile failure with AltiVec library on PPC64le and -std=c++11...
Bill Schmidt [Tue, 4 Jun 2019 21:52:32 +0000 (21:52 +0000)]
re PR target/78263 (Compile failure with AltiVec library on PPC64le and -std=c++11 flag)

[gcc]

2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>

PR target/78263
* config/rs6000/altivec.h: Don't #define vector, pixel, bool for
C++ with strict ANSI requirements.

[gcc/testsuite]

2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>

PR target/78263
* g++.target/powerpc: New directory.
* g++.target/powerpc/powerpc.exp: New test driver.
* g++.target/powerpc/undef-bool-3.C: New.

From-SVN: r271927

5 years agoSimplify loop size when step=1
Marc Glisse [Tue, 4 Jun 2019 20:39:32 +0000 (22:39 +0200)]
Simplify loop size when step=1

2019-06-04  Marc Glisse  <marc.glisse@inria.fr>

* tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
computations when step is 1.

From-SVN: r271926

5 years agors6000: wf -> wa
Segher Boessenkool [Tue, 4 Jun 2019 16:51:53 +0000 (18:51 +0200)]
rs6000: wf -> wa

"wf" is just "wa".

* config/rs6000/constraints.md (define_register_constraint "wf"):
Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wf.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271921

5 years agoAARCH64: ILP32: Fix aarch64_asan_shadow_offset
Andrew Pinski [Tue, 4 Jun 2019 16:34:31 +0000 (16:34 +0000)]
AARCH64: ILP32: Fix aarch64_asan_shadow_offset

aarch64_asan_shadow_offset is using the wrong
offset for ILP32.  Change it to be a decent one.

ChangeLog:
* config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
Fix ILP32 value.

From-SVN: r271920

5 years agors6000: wd -> wa
Segher Boessenkool [Tue, 4 Jun 2019 16:32:25 +0000 (18:32 +0200)]
rs6000: wd -> wa

"wd" is just "wa".

* config/rs6000/constraints.md (define_register_constraint "wd"):
Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wd.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271919

5 years agors6000: Delete Fv2
Segher Boessenkool [Tue, 4 Jun 2019 16:31:34 +0000 (18:31 +0200)]
rs6000: Delete Fv2

<Fv2> always is "wa".

* config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
(rest of file): Adjust.

From-SVN: r271918

5 years agors6000: Delete VS_64reg
Segher Boessenkool [Tue, 4 Jun 2019 16:30:47 +0000 (18:30 +0200)]
rs6000: Delete VS_64reg

<VS_64reg> now always is "wa".  Make that simplification.

* config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
(*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
(vsx_splat_<mode>_reg): Adjust.

From-SVN: r271917

5 years agors6000: ws -> wa
Segher Boessenkool [Tue, 4 Jun 2019 16:29:33 +0000 (18:29 +0200)]
rs6000: ws -> wa

"ws" is just "wa".

* config/rs6000/constraints.md (define_register_constraint "ws"):
Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_ws.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271916

5 years agors6000: wv -> v+p7v
Segher Boessenkool [Tue, 4 Jun 2019 16:28:46 +0000 (18:28 +0200)]
rs6000: wv -> v+p7v

"wv" is "v", but only if VSX is enabled (otherwise it's NO_REGS).  So
this patch sets "isa" "p7v" to all alternatives that used "wv" before
(and that do not already need a later ISA), and changes the constraint.

* config/rs6000/constraints.md (define_register_constraint "wv"):
Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wv.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271915

5 years agors6000: wi->wa, wt->wa
Segher Boessenkool [Tue, 4 Jun 2019 16:27:45 +0000 (18:27 +0200)]
rs6000: wi->wa, wt->wa

"wi" and "wt" mean just the same as "wa" these days.  Change them to
the simpler name.

* config/rs6000/constraints.md (define_register_constraint "wi"):
Delete.
(define_register_constraint "wt"): Delete.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
* config/rs6000/rs6000.md: Adjust.
* config/rs6000/vsx.md: Adjust.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271914

5 years agoaarch64: fix asm visibility for extern symbols
Szabolcs Nagy [Tue, 4 Jun 2019 16:16:52 +0000 (16:16 +0000)]
aarch64: fix asm visibility for extern symbols

Commit r271869 broke visibility declarations in asm for extern symbols, because
the new ASM_OUTPUT_EXTERNAL hook failed to call the default hook for elf.

gcc/ChangeLog:

* config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
const.
* config/aarch64/aarch64.c (aarch64_asm_output_external): Call
default_elf_asm_output_external.

From-SVN: r271913

5 years ago[C++ PATCH] structure tag lookup
Nathan Sidwell [Tue, 4 Jun 2019 15:17:29 +0000 (15:17 +0000)]
[C++ PATCH] structure tag lookup

https://gcc.gnu.org/ml/gcc-patches/2019-06/msg00179.html
* name-lookup.c (lookup_type_scope_1): Reimplement, handle local
and namespace scopes separately.

From-SVN: r271912

5 years agoPR c++/60531 - Wrong error about unresolved overloaded function
Harald van Dijk [Tue, 4 Jun 2019 14:48:38 +0000 (16:48 +0200)]
PR c++/60531 - Wrong error about unresolved overloaded function

For PR60531, GCC wrongly rejects function templates with explicitly
specified template arguments as overloaded. They are resolved by
resolve_nondeduced_context, which is normally called by
cp_default_conversion through decay_conversion, but the latter have
extra effects making them unusable here. Calling the former directly
does work.

* typeck.c (cp_build_binary_op): See if overload can be resolved.
(cp_build_unary_op): Ditto.

* g++.dg/template/operator15.C: New test.

From-SVN: r271910

5 years agoReduce accumulated garbage in constexpr evaluation.
Jason Merrill [Tue, 4 Jun 2019 14:47:40 +0000 (10:47 -0400)]
Reduce accumulated garbage in constexpr evaluation.

We want to evaluate the arguments to a call before looking into the cache so
that we have constant values, but if we then find the call in the cache we
end up with a TREE_LIST that we don't end up using; in highly recursive
constexpr evaluation this ends up being a large proportion of the garbage
generated.

The cxx_eval_increment_expression hunk is less important, but it's an easy
tweak; we only use the MODIFY_EXPR to evaluate it, so after that it's
garbage.

* constexpr.c (cxx_eval_call_expression): ggc_free any bindings we
don't save.
(cxx_eval_increment_expression): ggc_free the MODIFY_EXPR after
evaluating it.

From-SVN: r271909

5 years agoRemove dead code in IPA ICF.
Martin Liska [Tue, 4 Jun 2019 14:39:47 +0000 (16:39 +0200)]
Remove dead code in IPA ICF.

2019-06-04  Martin Liska  <mliska@suse.cz>

* ipa-icf.c (INCLUDE_LIST): Remove.
(sem_item_optimizer::execute): Remove call to init_wpa.
* ipa-icf.h (init_wpa): Remove.

From-SVN: r271908

5 years agogimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate conditional...
Jakub Jelinek [Tue, 4 Jun 2019 12:49:03 +0000 (14:49 +0200)]
gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate conditional on combined for simd.

* gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
conditional on combined for simd.
* omp-low.c (struct omp_context): Add combined_into_simd_safelen0
member.
(lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
constructs, don't remove lastprivate_conditional_map, but instead set
ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
to parent construct temporaries.
(lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
like !ctx->lastprivate_conditional_map.
(lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
use up->outer context instead of up.
* omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
gimple_omp_for_combined_p.
(expand_omp_for_static_nochunk): Likewise.
(expand_omp_for_static_chunk): Add forgotten cond_var bump that was
probably moved over into expand_omp_for_generic rather than being copied
there.
gcc/cp/
* cp-tree.h (CP_OMP_CLAUSE_INFO): Allow for any clauses up to _condvar_
instead of only up to linear.
gcc/testsuite/
* c-c++-common/gomp/lastprivate-conditional-2.c (foo): Don't expect
a sorry_at on any of the clauses.
libgomp/
* testsuite/libgomp.c-c++-common/lastprivate-conditional-7.c: New test.
* testsuite/libgomp.c-c++-common/lastprivate-conditional-8.c: New test.
* testsuite/libgomp.c-c++-common/lastprivate-conditional-9.c: New test.
* testsuite/libgomp.c-c++-common/lastprivate-conditional-10.c: New test.

From-SVN: r271907

5 years agoFix typo in tests.
Martin Liska [Tue, 4 Jun 2019 09:39:05 +0000 (11:39 +0200)]
Fix typo in tests.

2019-06-04  Martin Liska  <mliska@suse.cz>

* value-prof.c (dump_histogram_value): Fix typo.
(gimple_mod_subtract_transform): Likewise.

From-SVN: r271904

5 years agore PR middle-end/90726 (exponential behavior on SCEV results everywhere)
Richard Biener [Tue, 4 Jun 2019 09:05:10 +0000 (09:05 +0000)]
re PR middle-end/90726 (exponential behavior on SCEV results everywhere)

2019-06-04  Richard Biener  <rguenther@suse.de>

PR middle-end/90726
* tree-chrec.c (chrec_contains_symbols): Add to visited.
(tree_contains_chrecs): Likewise.
(chrec_contains_symbols_defined_in_loop): Move here and avoid
exponential behaivor from ...
* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
... here.
(expression_expensive_p): Avoid exponential behavior and compute
expanded size, rejecting any expansion.
* tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
(idx_contains_abnormal_ssa_name_p): Likewise.
(contains_abnormal_ssa_name_p_1): New helper for walk_tree.
(contains_abnormal_ssa_name_p): Simplify and use
walk_tree_without_duplicates.

* gcc.dg/pr90726.c: New testcase.

From-SVN: r271903

5 years agore PR fortran/90738 (gfortran.dg/pointer_array_10.f90 etc. FAIL)
Richard Biener [Tue, 4 Jun 2019 08:09:16 +0000 (08:09 +0000)]
re PR fortran/90738 (gfortran.dg/pointer_array_10.f90 etc. FAIL)

2019-06-04  Richard Biener  <rguenther@suse.de>

PR tree-optimization/90738
Revert
2019-06-03  Richard Biener  <rguenther@suse.de>

* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
full reference tree and record in ref->ref.
(vn_reference_lookup_3): Pass in original ref to
ao_ref_init_from_vn_reference.
(vn_reference_lookup): Likewise.
* tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
* tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
Handle non-decl bases in the original reference.

* gcc.dg/tree-ssa/alias-access-path-1.c: Scan fre1.

* gcc.dg/torture/pr90738.c: New testcase.

From-SVN: r271902

5 years agoIPA ICF: use fibonacci heap instead of list as a worklist.
Martin Liska [Tue, 4 Jun 2019 07:53:08 +0000 (09:53 +0200)]
IPA ICF: use fibonacci heap instead of list as a worklist.

2019-06-04  Martin Liska  <mliska@suse.cz>

* ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
number of references.
(sem_item_optimizer::do_congruence_step):
(sem_item_optimizer::worklist_push): Dump how references
a class has.
(sem_item_optimizer::worklist_pop): Use heap.
(sem_item_optimizer::process_cong_reduction): Likewise.
* ipa-icf.h: Use fibonacci_heap insteam of std::list.

From-SVN: r271901

5 years agoIPA ICF: rewrite references into a hash_map.
Martin Liska [Tue, 4 Jun 2019 07:52:51 +0000 (09:52 +0200)]
IPA ICF: rewrite references into a hash_map.

2019-06-04  Martin Liska  <mliska@suse.cz>

* ipa-icf.h (struct sem_usage_pair_hash): New.
(sem_usage_pair_hash::hash): Likewise.
(sem_usage_pair_hash::equal): Likewise.
(struct sem_usage_hash): Likewise.
* ipa-icf.c (sem_item::sem_item): Initialize
referenced_by_count.
(sem_item::add_reference): Register a reference
in ref_map and not in target->usages.
(sem_item::setup): Remove initialization of
dead vectors.
(sem_item::~sem_item): Remove usage of dead vectors.
(sem_item::dump): Remove dump of references.
(sem_item_optimizer::sem_item_optimizer): Initialize
m_references.
(sem_item_optimizer::read_section): Remove useless
dump.
(sem_item_optimizer::parse_funcs_and_vars): Likewise here.
(sem_item_optimizer::build_graph): Pass m_references
to ::add_reference.
(sem_item_optimizer::verify_classes): Remove usage of dead
vectors.
(sem_item_optimizer::traverse_congruence_split): Return true
when a class is split.
(sem_item_optimizer::do_congruence_step_for_index): Use
hash_map for look up of (sem_item *, index). That brings
significant speed up.
(sem_item_optimizer::do_congruence_step): Return true
when a split is done.
(congruence_class::is_class_used): Use referenced_by_count.
2019-06-04  Martin Liska  <mliska@suse.cz>

* c-c++-common/goacc/acc-icf.c: Change scanned pattern.
* gfortran.dg/goacc/pr78027.f90: Likewise.

From-SVN: r271900

5 years agoDaily bump.
GCC Administrator [Tue, 4 Jun 2019 00:16:16 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r271899

5 years agoPR90689, ICE in extract_insn on ppc64le
Alan Modra [Tue, 4 Jun 2019 00:13:07 +0000 (09:43 +0930)]
PR90689, ICE in extract_insn on ppc64le

PR target/90689
* config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
error.

From-SVN: r271895

5 years agocompiler, runtime, reflect: generate unique type descriptors
Ian Lance Taylor [Mon, 3 Jun 2019 23:37:04 +0000 (23:37 +0000)]
compiler, runtime, reflect: generate unique type descriptors

    Currently, the compiler already generates common symbols for type
    descriptors, so the type descriptors are unique. However, when a
    type is created through reflection, it is not deduplicated with
    compiler-generated types. As a consequence, we cannot assume type
    descriptors are unique, and cannot use pointer equality to
    compare them. Also, when constructing a reflect.Type, it has to
    go through a canonicalization map, which introduces overhead to
    reflect.TypeOf, and lock contentions in concurrent programs.

    In order for the reflect package to deduplicate types with
    compiler-created types, we register all the compiler-created type
    descriptors at startup time. The reflect package, when it needs
    to create a type, looks up the registry of compiler-created types
    before creates a new one. There is no lock contention since the
    registry is read-only after initialization.

    This lets us get rid of the canonicalization map, and also makes
    it possible to compare type descriptors with pointer equality.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/179598

From-SVN: r271894

5 years agoparser.c (cp_parser_unqualified_id): Use build_min_nt_loc in five places.
Paolo Carlini [Mon, 3 Jun 2019 23:17:09 +0000 (23:17 +0000)]
parser.c (cp_parser_unqualified_id): Use build_min_nt_loc in five places.

2019-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

* parser.c (cp_parser_unqualified_id): Use build_min_nt_loc in
       five places.

From-SVN: r271893

5 years agolibgo: delay applying profile stack-frame skip until fixup
Ian Lance Taylor [Mon, 3 Jun 2019 23:07:54 +0000 (23:07 +0000)]
libgo: delay applying profile stack-frame skip until fixup

    When the runtime collects a stack trace to associate it with some
    profiling event (mem alloc, mutex, etc) there is a skip count passed
    to runtime.Callers (or equivalent) to skip some known count of frames
    in order to get to the "interesting" frame corresponding to the
    profile event. Now that the profiling mechanism uses lazy fixup (when
    removing compiler artifacts like thunks, morestack calls etc), we also
    need to move the frame skipping logic after the fixup, so as to insure
    that the skip count isn't thrown off by these artifacts.

    Fixes golang/go#32290.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/179740

From-SVN: r271892

5 years agocompiler: permit inlining references to global variables
Ian Lance Taylor [Mon, 3 Jun 2019 23:04:23 +0000 (23:04 +0000)]
compiler: permit inlining references to global variables

    This requires tracking all references to unexported variables, so that
    we can make them global symbols in the object file, and can export
    them so that other compilations can see the right definition for their
    own inline bodies.

    This introduces a syntax for referencing names defined in other
    packages: a <pNN> prefix, where NN is the package index.  This will
    need to be added to gccgoimporter, but I didn't do it yet since it
    isn't yet possible to create an object for which gccgoimporter will
    see a <pNN> prefix.

    This increases the number of inlinable functions in the standard
    library from 181 to 215, adding functions like context.Background.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/177920

From-SVN: r271891

5 years agoruntime: remove unnecessary functions calling between C and Go
Ian Lance Taylor [Mon, 3 Jun 2019 23:02:43 +0000 (23:02 +0000)]
runtime: remove unnecessary functions calling between C and Go

    These functions were needed during the transition of the runtime from
    C to Go, but are no longer necessary.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/179879

From-SVN: r271890

5 years agors6000: Delete -mmfpgpr
Segher Boessenkool [Mon, 3 Jun 2019 22:36:24 +0000 (00:36 +0200)]
rs6000: Delete -mmfpgpr

This patch makes the -mmfpgpr option not do anything except warn that
the option is deprecated.

* config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
* config/rs6000/rs6000.c (direct_move_p): Adjust.
(rs6000_secondary_reload_simple_move): Adjust.
(rs6000_opt_masks): Neuter the "mfpgpr" option.
* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
* config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
comment.
(power6x): Adjust.
* config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
(floatunssi<mode>2_lfiwzx): Adjust.
(fix_trunc<mode>si2_stfiwx): Adjust.
(fixuns_trunc<mode>si2_stfiwx): Adjust.
* config/rs6000/rs6000.opt (mno-mfpgpr): New.
(mfpgpr): Mark as deprecated.
* doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
(Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
* doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.

gcc/testsuite/
* gcc.target/powerpc/mmfpgpr.c: Delete.

From-SVN: r271889

5 years agors6000: Delete wg
Segher Boessenkool [Mon, 3 Jun 2019 22:33:11 +0000 (00:33 +0200)]
rs6000: Delete wg

The "wg" constraint is used for the floating point side on mfpgpr
instructions.  Those instructions do not exist on any relevant
hardware.  This patch deletes the constraint and the insns using it.

* config/rs6000/constraints.md (define_register_constraint "wg"):
Delete.
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
RS6000_CONSTRAINT_wg.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
(rs6000_init_hard_regno_mode_ok): Adjust.
* config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
Delete "wg" alternatives.
* doc/md.texi (Machine Constraints): Adjust.

From-SVN: r271888

5 years ago* sv.po: Update.
Joseph Myers [Mon, 3 Jun 2019 22:21:39 +0000 (23:21 +0100)]
* sv.po: Update.

From-SVN: r271885

5 years agoFix uses of static_assert not guarded by C++11 check
Jonathan Wakely [Mon, 3 Jun 2019 22:18:31 +0000 (23:18 +0100)]
Fix uses of static_assert not guarded by C++11 check

* include/bits/stl_map.h (map): Disable static assert for C++98 mode.
* include/bits/stl_multimap.h (multimap): Likewise.

From-SVN: r271884

5 years agoruntime: fix assembly syntax
Ian Lance Taylor [Mon, 3 Jun 2019 20:06:50 +0000 (20:06 +0000)]
runtime: fix assembly syntax

    Some assembler doesn't accept ULL suffix. In fact the suffix
    is not really necessary. Drop it.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/180217

From-SVN: r271883

5 years agobb-reorder.c (copy_bb_p): Don't overflow size calculation.
Alan Modra [Mon, 3 Jun 2019 17:35:47 +0000 (03:05 +0930)]
bb-reorder.c (copy_bb_p): Don't overflow size calculation.

* bb-reorder.c (copy_bb_p): Don't overflow size calculation.
(get_uncond_jump_length): Assert length less than INT_MAX and
non-negative.

From-SVN: r271877

5 years agoRename variables and cleanup comments.
François Dumont [Mon, 3 Jun 2019 17:08:34 +0000 (17:08 +0000)]
Rename variables and cleanup comments.

2019-06-03  François Dumont  <fdumont@gcc.gnu.org>

Rename variables and cleanup comments.
* include/bits/hashtable_policy.h
* include/bits/hashtable.h

From-SVN: r271876

5 years agoenum-1.c: Add -fno-eliminate-unused-debug-symbols on AIX.
David Edelsohn [Mon, 3 Jun 2019 14:10:47 +0000 (14:10 +0000)]
enum-1.c: Add -fno-eliminate-unused-debug-symbols on AIX.

        * gcc.dg/debug/enum-1.c: Add -fno-eliminate-unused-debug-symbols
        on AIX.
        * g++.dg/debug/enum-1.C: Same.

From-SVN: r271873

5 years agoFix PR64242 - Longjmp expansion incorrect
Wilco Dijkstra [Mon, 3 Jun 2019 13:55:15 +0000 (13:55 +0000)]
Fix PR64242 - Longjmp expansion incorrect

Improve the fix for PR64242.  Various optimizations can change a memory
reference into a frame access.  Given there are multiple virtual frame pointers
which may be replaced by multiple hard frame pointers, there are no checks for
writes to the various frame pointers.  So updates to a frame pointer tends to
generate incorrect code.  Improve the previous fix to also add clobbers of
several frame pointers and add a scheduling barrier.  This should work in most
cases until GCC supports a generic "don't optimize across this instruction"
feature.

Bootstrap OK. Testcase passes on AArch64 and x86-64.  Inspected x86, Arm,
Thumb-1 and Thumb-2 assembler which looks correct.

    gcc/
PR middle-end/64242
* builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
block.
(expand_builtin_nonlocal_goto): Likewise.

    testsuite/
PR middle-end/64242
* gcc.c-torture/execute/pr64242.c: Update test.

From-SVN: r271870

5 years agoaarch64: emit .variant_pcs for aarch64_vector_pcs symbol references
Szabolcs Nagy [Mon, 3 Jun 2019 13:50:53 +0000 (13:50 +0000)]
aarch64: emit .variant_pcs for aarch64_vector_pcs symbol references

A dynamic linker with lazy binding support may need to handle vector PCS
function symbols specially, so an ELF symbol table marking was
introduced for such symbols.

Function symbol references and definitions that follow the vector PCS
are marked in the generated assembly with .variant_pcs and then the
STO_AARCH64_VARIANT_PCS st_other flag is set on the symbol in the object
file.  The marking is propagated to the dynamic symbol table by the
static linker so a dynamic linker can handle such symbols specially.

For this to work, the assembler, the static linker and the dynamic
linker has to be updated on a system.  Old assembler does not support
the new .variant_pcs directive, so a toolchain with old binutils won't
be able to compile code that references vector PCS symbols.

gcc/ChangeLog:

* config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
(aarch64_asm_output_external): Declare.
* config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
(aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
(aarch64_asm_output_alias): New.
(aarch64_asm_output_external): New.
* config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
(ASM_OUTPUT_EXTERNAL): Define.

gcc/testsuite/ChangeLog:

* gcc.target/aarch64/pcs_attribute-2.c: New test.
* gcc.target/aarch64/torture/simd-abi-4.c: Check .variant_pcs support.
* lib/target-supports.exp (check_effective_target_aarch64_variant_pcs):
New.

From-SVN: r271869

5 years agoCorrections for C++2a library status table
Jonathan Wakely [Mon, 3 Jun 2019 13:32:17 +0000 (14:32 +0100)]
Corrections for C++2a library status table

* doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
Fix bgcolor for P0340R3.
* doc/html/*: Regenerate.

From-SVN: r271868

5 years agoPR libstdc++/90686 update C++2a library status docs
Jonathan Wakely [Mon, 3 Jun 2019 13:23:03 +0000 (14:23 +0100)]
PR libstdc++/90686 update C++2a library status docs

PR libstdc++/90686
* doc/xml/manual/status_cxx2014.xml: Document what's missing from
<experimental/memory_resource>.
* doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
P0339R6, P0340R3, P1164R1 and P1357R1.
* doc/html/*: Regenerate.

From-SVN: r271867

5 years agoEnforce allocator::value_type consistency for containers in C++2a
Jonathan Wakely [Mon, 3 Jun 2019 13:22:59 +0000 (14:22 +0100)]
Enforce allocator::value_type consistency for containers in C++2a

In previous standards it is undefined for a container and its allocator
to have a different value_type. Libstdc++ has traditionally allowed it
as an extension, automatically rebinding the allocator to the
container's value_type. Since GCC 8.1 that extension has been disabled
for C++11 and later when __STRICT_ANSI__ is defined (i.e. for
-std=c++11, -std=c++14, -std=c++17 and -std=c++2a).

Since the acceptance of P1463R1 into the C++2a draft an incorrect
allocator::value_type now requires a diagnostic. This patch implements
that by enabling the static_assert for -std=gnu++2a as well.

* doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
* include/bits/forward_list.h [__cplusplus > 201703]: Enable
allocator::value_type assertion for C++2a.
* include/bits/hashtable.h: Likewise.
* include/bits/stl_deque.h: Likewise.
* include/bits/stl_list.h: Likewise.
* include/bits/stl_map.h: Likewise.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/stl_vector.h: Likewise.
* testsuite/23_containers/deque/48101-3_neg.cc: New test.
* testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
* testsuite/23_containers/list/48101-3_neg.cc: New test.
* testsuite/23_containers/map/48101-3_neg.cc: New test.
* testsuite/23_containers/multimap/48101-3_neg.cc: New test.
* testsuite/23_containers/multiset/48101-3_neg.cc: New test.
* testsuite/23_containers/set/48101-3_neg.cc: New test.
* testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
* testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
* testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
* testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
* testsuite/23_containers/vector/48101-3_neg.cc: New test.

From-SVN: r271866

5 years agotree-vrp.h (value_range_base::nonzero_p): New.
Aldy Hernandez [Mon, 3 Jun 2019 11:28:28 +0000 (11:28 +0000)]
tree-vrp.h (value_range_base::nonzero_p): New.

* tree-vrp.h (value_range_base::nonzero_p): New.
(value_range_base::set_nonnull): Rename to...
(value_range_base::set_nonzero): ...this.
(value_range_base::set_null): Rename to...
(value_range_base::set_zero): ...this.
(value_range::set_nonnull): Remove.
(value_range::set_null): Remove.
* tree-vrp.c (range_is_null): Remove.
(range_is_nonnull): Remove.
(extract_range_from_binary_expr): Use value_range_base::*zero_p
instead of range_is_*null.
(extract_range_from_unary_expr): Same.
(value_range_base::set_nonnull): Rename to...
(value_range_base::set_nonzero): ...this.
(value_range::set_nonnull): Remove.
(value_range_base::set_null): Rename to...
(value_range_base::set_zero): ...this.
(value_range::set_null): Remove.
(extract_range_from_binary_expr): Rename set_*null uses to
set_*zero.
(extract_range_from_unary_expr): Same.
(union_helper): Same.
* vr-values.c (get_value_range): Use set_*zero instead of
set_*null.
(vr_values::extract_range_from_binary_expr): Same.
(vr_values::extract_range_basic): Same.

From-SVN: r271865

5 years agoFix alignment option parser (PR90684)
Wilco Dijkstra [Mon, 3 Jun 2019 11:27:50 +0000 (11:27 +0000)]
Fix alignment option parser (PR90684)

Fix the alignment option parser to always allow up to 4 alignments.
Now -falign-functions=16:8:8:8 no longer reports an error.

    gcc/
PR driver/90684
* opts.c (parse_and_check_align_values): Allow 4 alignment values.
M    gcc/ChangeLog
M    gcc/opts.c

From-SVN: r271864

5 years ago[AArch64] Emit TARGET_DOTPROD-specific sequence for <us>sadv16qi
Kyrylo Tkachov [Mon, 3 Jun 2019 11:20:58 +0000 (11:20 +0000)]
[AArch64] Emit TARGET_DOTPROD-specific sequence for <us>sadv16qi

Wilco pointed out that when the Dot Product instructions are available we can use them
to generate an even more efficient expansion for the [us]sadv16qi optab.
Instead of the current:
        uabdl2  v0.8h, v1.16b, v2.16b
        uabal   v0.8h, v1.8b, v2.8b
        uadalp  v3.4s, v0.8h

we can generate:
      (1)  mov    v4.16b, 1
      (2)  uabd    v0.16b, v1.16b, v2.16b
      (3)  udot    v3.4s, v0.16b, v4.16b

Instruction (1) can be CSEd across multiple such expansions and even hoisted outside of loops,
so when this sequence appears frequently back-to-back (like in x264_r) we essentially only have 2 instructions
per sum. Also, the UDOT instruction does the byte-to-word accumulation in one step, which allows us to use
the much simpler UABD instruction before it.

This makes it a shorter and lower-latency sequence overall for targets that support it.

* config/aarch64/iterators.md (MAX_OPP): New code attr.
* config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
(aarch64_<su>abd<mode>_3): ... This.
(<sur>sadv16qi): Add TARGET_DOTPROD expansion.

* gcc.target/aarch64/ssadv16qi.c: Add +nodotprod to pragma.
* gcc.target/aarch64/usadv16qi.c: Likewise.
* gcc.target/aarch64/ssadv16qi-dotprod.c: New test.
* gcc.target/aarch64/usadv16qi-dotprod.c: Likewise.

From-SVN: r271863

5 years agotarget-supports.exp (add_options_for_aarch64_sve): New procedure.
Prathamesh Kulkarni [Mon, 3 Jun 2019 11:09:41 +0000 (11:09 +0000)]
target-supports.exp (add_options_for_aarch64_sve): New procedure.

2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

* lib/target-supports.exp (add_options_for_aarch64_sve): New procedure.
(aarch64_sve_hw_bits): Call add_options_for_aarch64_sve.
(check_effective_target_aarch64_sve_hw): Likewise.

From-SVN: r271862

5 years agoRemove Java Trees from GENERIC manual.
Martin Liska [Mon, 3 Jun 2019 11:09:05 +0000 (13:09 +0200)]
Remove Java Trees from GENERIC manual.

2019-06-03  Martin Liska  <mliska@suse.cz>

* doc/generic.texi: Remove Java Trees.

From-SVN: r271861

5 years agotree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original full reference tree...
Richard Biener [Mon, 3 Jun 2019 10:45:38 +0000 (10:45 +0000)]
tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original full reference tree and record in ref->ref.

2019-06-03  Richard Biener  <rguenther@suse.de>

* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
full reference tree and record in ref->ref.
(vn_reference_lookup_3): Pass in original ref to
ao_ref_init_from_vn_reference.
(vn_reference_lookup): Likewise.
* tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
* tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
Handle non-decl bases in the original reference.

* gcc.dg/tree-ssa/alias-access-path-1.c: Scan fre1.

From-SVN: r271860

5 years agoFix typo in index comparison of CONSTRUCTOR.
Martin Liska [Mon, 3 Jun 2019 10:42:14 +0000 (12:42 +0200)]
Fix typo in index comparison of CONSTRUCTOR.

2019-06-03  Martin Liska  <mliska@suse.cz>

* fold-const.c (operand_equal_p): Fix typo as compare_tree_int
returns 0 when operands are equal.

From-SVN: r271859

5 years agore PR tree-optimization/90716 (gcc generates wrong debug information at -O2)
Richard Biener [Mon, 3 Jun 2019 10:17:16 +0000 (10:17 +0000)]
re PR tree-optimization/90716 (gcc generates wrong debug information at -O2)

2019-06-03  Richard Biener  <rguenther@suse.de>

PR tree-optimization/90716
* tree-loop-distribution.c (destroy_loop): Process blocks in
correct order.

* gcc.dg/guality/pr90716.c: New testcase.

From-SVN: r271858