gcc.git
7 years agore PR c/81854 (weak alias of an incompatible symbol accepted)
Uros Bizjak [Mon, 25 Sep 2017 14:59:19 +0000 (16:59 +0200)]
re PR c/81854 (weak alias of an incompatible symbol accepted)

PR c/81854
* src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
target as a C++ function with no prototype.

From-SVN: r253153

7 years agors6000.c (rs6000_gimple_fold_builtin): Add handling for early folding of vector store...
Will Schmidt [Mon, 25 Sep 2017 14:35:02 +0000 (14:35 +0000)]
rs6000.c (rs6000_gimple_fold_builtin): Add handling for early folding of vector stores (ALTIVEC_BUILTIN_ST_*).

[gcc]

2017-09-25  Will Schmidt  <will_schmidt@vnet.ibm.com>

* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
for early folding of vector stores (ALTIVEC_BUILTIN_ST_*).
(rs6000_builtin_valid_without_lhs): New helper function.
* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
Remove obsoleted code for handling ALTIVEC_BUILTIN_VEC_ST.

From-SVN: r253152

7 years agofold-vec-st-char.c: New.
Will Schmidt [Mon, 25 Sep 2017 14:17:05 +0000 (14:17 +0000)]
fold-vec-st-char.c: New.

[gcc/testsuite]

2017-09-25  Will Schmidt  <will_schmidt@vnet.ibm.com>

    * gcc.target/powerpc/fold-vec-st-char.c: New.
    * gcc.target/powerpc/fold-vec-st-double.c: New.
    * gcc.target/powerpc/fold-vec-st-float.c: New.
    * gcc.target/powerpc/fold-vec-st-int.c: New.
    * gcc.target/powerpc/fold-vec-st-longlong.c: New.
    * gcc.target/powerpc/fold-vec-st-pixel.c: New.
    * gcc.target/powerpc/fold-vec-st-short.c: New.

From-SVN: r253151

7 years agoChange permute index type to unsigned short
Richard Sandiford [Mon, 25 Sep 2017 13:26:12 +0000 (13:26 +0000)]
Change permute index type to unsigned short

This patch changes the element type of (auto_)vec_perm_indices from
unsigned char to unsigned short.  This is needed for fixed-length
2048-bit SVE.  (SVE is variable-length by default, but it's possible
to ask for specific vector lengths if you want to.)

2017-09-25  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
* target.h (vec_perm_indices): Use unsigned short rather than
unsigned char.
(auto_vec_perm_indices): Likewise.
* config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const_ok):
Use unsigned int rather than unsigned char.
* config/arm/arm.c (arm_vectorize_vec_perm_const_ok): Likewise.

From-SVN: r253150

7 years agocfgloop.h (sort_sibling_loops): Declare.
Richard Biener [Mon, 25 Sep 2017 13:19:16 +0000 (13:19 +0000)]
cfgloop.h (sort_sibling_loops): Declare.

2017-09-25  Richard Biener  <rguenther@suse.de>

* cfgloop.h (sort_sibling_loops): Declare.
* cfgloop.c (sort_sibling_loops_cmp): New helper.
(sort_sibling_loops): New function sorting the sibling loop list
in RPO order.
* graphite.c (graphite_transform_loops): Sort sibling loops.

From-SVN: r253149

7 years agoUpdate interface to TARGET_VECTORIZE_VEC_PERM_CONST_OK
Richard Sandiford [Mon, 25 Sep 2017 12:57:49 +0000 (12:57 +0000)]
Update interface to TARGET_VECTORIZE_VEC_PERM_CONST_OK

This patch makes TARGET_VECTORIZE_VEC_PERM_CONST_OK take the permute
vector in the form of a vec_perm_indices instead of an unsigned char *.
It follows on from the recent patch that did the same in target-independent
code.

It was easy to make ARM and AArch64 use vec_perm_indices internally
as well, and converting AArch64 helps with SVE.  I did try doing the same
for the other ports, but the surgery needed was much more invasive and
much less obviously correct.

2017-09-22  Richard Sandiford  <richard.sandifird@linaro.org>

gcc/
* target.def (vec_perm_const_ok): Change sel parameter to
vec_perm_indices.
* optabs-query.c (can_vec_perm_p): Update accordingly.
* doc/tm.texi: Regenerate.
* config/aarch64/aarch64.c (expand_vec_perm_d): Change perm to
auto_vec_perm_indices and remove separate nelt field.
(aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip)
(aarch64_evpc_ext, aarch64_evpc_rev, aarch64_evpc_dup)
(aarch64_evpc_tbl, aarch64_expand_vec_perm_const_1)
(aarch64_expand_vec_perm_const): Update accordingly.
(aarch64_vectorize_vec_perm_const_ok): Likewise.  Change sel
to vec_perm_indices.
* config/arm/arm.c (expand_vec_perm_d): Change perm to
auto_vec_perm_indices and remove separate nelt field.
(arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev)
(arm_evpc_neon_vtrn, arm_evpc_neon_vext, arm_evpc_neon_vtbl)
(arm_expand_vec_perm_const_1, arm_expand_vec_perm_const): Update
accordingly.
(arm_vectorize_vec_perm_const_ok): Likewise.  Change sel
to vec_perm_indices.
* config/i386/i386.c (ix86_vectorize_vec_perm_const_ok): Change
sel to vec_perm_indices.
* config/ia64/ia64.c (ia64_vectorize_vec_perm_const_ok): Likewise.
* config/mips/mips.c (mips_vectorize_vec_perm_const_ok): Likewise.
* config/powerpcspe/powerpcspe.c (rs6000_vectorize_vec_perm_const_ok):
Likewise.
* config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const_ok):
Likewise.

From-SVN: r253148

7 years ago[PR82155] Fix crash in dwarf2out_abstract_function
Pierre-Marie de Rodat [Mon, 25 Sep 2017 12:26:36 +0000 (12:26 +0000)]
[PR82155] Fix crash in dwarf2out_abstract_function

This patch is an attempt to fix the crash reported in PR82155.

When generating a C++ class method for a class that is itself nested in
a class method, dwarf2out_early_global_decl currently leaves the
existing context DIE as it is if it already exists.  However, it is
possible that this call happens at a point where this context DIE is
just a declaration that is itself not located in its own context.

From there, if dwarf2out_early_global_decl is not called on any of the
FUNCTION_DECL in the context chain, DIEs will be left badly scoped and
some (such as the nested method) will be removed by the type pruning
machinery.  As a consequence, dwarf2out_abstract_function will will
crash when called on the corresponding DECL because it asserts that the
DECL has a DIE.

This patch fixes this crash making dwarf2out_early_global_decl process
context DIEs the same way we process abstract origins for FUNCTION_DECL:
if the corresponding DIE exists but is only a declaration, call
dwarf2out_decl anyway on it so that it is turned into a more complete
DIE and so that it is relocated in the proper context.

Bootstrapped and regtested on x86_64-linux.

gcc/

PR debug/82155
* dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl
on the FUNCTION_DECL function context if it has a DIE that is a
declaration.

gcc/testsuite/

* g++.dg/pr82155.C: New testcase.

From-SVN: r253147

7 years agore PR tree-optimization/82285 (Optimizing error when using enumeration)
Richard Biener [Mon, 25 Sep 2017 11:40:23 +0000 (11:40 +0000)]
re PR tree-optimization/82285 (Optimizing error when using enumeration)

2017-09-25  Richard Biener  <rguenther@suse.de>

PR tree-optimization/82285
* tree-vect-patterns.c (vect_recog_bool_pattern): Also handle
enumeral types.

* gcc.dg/torture/pr82285.c: New testcase.

From-SVN: r253146

7 years ago[nvptx] Add exit after call to noreturn function
Tom de Vries [Mon, 25 Sep 2017 10:36:23 +0000 (10:36 +0000)]
[nvptx] Add exit after call to noreturn function

2017-09-25  Tom de Vries  <tom@codesourcery.com>

PR target/80035
PR target/81069
* config/nvptx/nvptx.c (nvptx_output_call_insn): Add exit after call to
noreturn function.

From-SVN: r253145

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 10:07:11 +0000 (10:07 +0000)]
[multiple changes]

2017-09-25  Justin Squirek  <squirek@adacore.com>

* aspects.adb, bindgen.adb, clean.adb, erroutc.adb, exp_ch13.adb,
exp_dbug.adb, exp_unst.adb, exp_util.adb, frontend.adb, gnat1drv.adb,
gnatdll.adb, gnatlink.adb, gnatls.adb, gnatname.adb, gnatxref.adb,
gnatfind.adb, libgnat/a-cfhama.ads, libgnat/a-exetim__mingw.adb,
libgnat/a-strmap.adb, libgnat/a-teioed.adb, libgnat/g-alvety.ads,
libgnat/g-expect.adb, libgnat/g-regist.adb, libgnat/g-socket.adb,
libgnat/g-socthi__mingw.ads, libgnat/s-stausa.adb,
libgnat/s-tsmona__linux.adb, libgnat/s-tsmona__mingw.adb,
libgnarl/s-taenca.adb, libgnarl/s-tassta.adb, libgnarl/s-tarest.adb,
libgnarl/s-tpobop.adb, make.adb, makeusg.adb, namet.adb, output.ads,
put_scos.adb, repinfo.adb, rtsfind.adb, scn.ads, sem_attr.adb,
sem_aux.ads, sem_warn.ads, targparm.adb, xr_tabls.adb, xref_lib.adb:
Removal of ineffective use-clauses.
* exp_ch9.adb (Is_Simple_Barrier_Name): Check for false positives with
constant folded barriers.
* ghost.adb, sprint.adb, sem_ch10.adb, sem_warn.adb: Change access to
Subtype_Marks and Names list in use-clause nodes to their new singular
counterparts (e.g. Subtype_Mark, Name).
* par.adb, par-ch8.adb (Append_Use_Clause): Created to set
Prev_Ids and More_Ids in use-clause nodes.
(P_Use_Clause): Modify to take a list as a parameter.
(P_Use_Package_Clause, P_Use_Type_Clause): Divide names and
subtype_marks within an aggregate use-clauses into individual clauses.
* par-ch3.adb, par-ch10.adb, par-ch12.adb: Trivally modify call to
P_Use_Clause to match its new behavior.
* sem.adb (Analyze): Mark use clauses for non-overloaded entities.
* sem_ch4.adb (Try_One_Interp): Add sanity check to handle previous
errors.
* sem_ch6.adb (Analyze_Generic_Subprogram_Body,
Analyze_Subprogram_Body_Helper): Update use clause chain at the end of
the declarative region.
* sem_ch7.adb (Analyze_Package_Body_Helper): Update use clause chain
after analysis (Analyze_Package_Specification): Update use clause chain
when there is no body.
* sem_ch8.ads, sem_ch8.adb (Analyze_Use_Package, Analyze_Use_Type): Add
parameter to determine weither the installation of scopes should also
propagate on the use-clause "chain".
(Mark_Use_Clauses): Created to traverse use-clause chains and determine
what constitutes a valid "use" of a clause.
(Update_Use_Clause_Chain): Created to aggregate common machinary used
to clean up use-clause chains (and warn on ineffectiveness) at the end
of declaritive regions.
* sem_ch8.adb (Analyze_Package_Name): Created to perform analysis on a
package name from a use-package clause.
(Analyze_Package_Name_List): Created to perform analysis on a list of
package names (similar to Analyze_Package_Name).
(Find_Most_Prev): Created to traverse to the beginning of a given
use-clause chain.
(Most_Decendant_Use_Clause): Create to identify which clause from a
given set is highest in scope (not always the most prev).
(Use_One_Package, Use_One_Type): Major cleanup and reorganization to
handle the new chaining algorithm, also many changes related to
redundant clauses. A new parameter has also been added to force
installation to handle certain cases.
* sem_ch9.adb (Analyze_Entry_Body, Analyze_Protected_Body,
Analyze_Task_Body): Mark use clauses on relevant entities.
* sem_ch10.adb, sem_ch10.ads (Install_Context_Clauses,
Install_Parents): Add parameter to determine weither the installation
of scopes should also propagate on the use-clause "chain".
* sem_ch12.adb (Inline_Instance_Body): Add flag in call to
Install_Context to avoid redundant chaining of use-clauses.
* sem_ch13.adb: Minor reformatting.
* sem_res.adb (Resolve): Mark use clauses on operators.
(Resolve_Call, Resolve_Entity_Name): Mark use clauses on relevant
entities.
* sinfo.adb, sinfo.ads (Is_Effective_Use_Clause,
Set_Is_Effective_Use_Clause): Add new flag to N_Use_Clause nodes to
represent any given clause's usage/reference/necessity.
(Prev_Use_Clause, Set_Prev_Use_Clause): Add new field to N_Use_Clause
nodes to allow loose chaining of redundant clauses.
(Set_Used_Operations, Set_Subtype_Mark, Set_Prev_Ids, Set_Names,
Set_More_Ids, Set_Name): Modify set procedure calls to reflect
reorganization in node fields.
* types.ads (Source_File_Index): Adjust index bounds.
(No_Access_To_Source_File): New constant.

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* sem_ch13.adb (Analyze_One_Aspect): In ASIS mode make a full copy of
the expression to be used in the generated attribute specification
(rather than relocating it) to avoid resolving a potentially malformed
tree when the expression is resolved through an ASIS-specific call to
Resolve_Aspect_Expressions.  This manifests itself as a crash on a
function with parameter associations.

From-SVN: r253144

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 09:51:49 +0000 (09:51 +0000)]
[multiple changes]

2017-09-25  Yannick Moy  <moy@adacore.com>

* exp_spark.adb (Expand_SPARK_Indexed_Component,
Expand_SPARK_Selected_Component): New procedures to insert explicit
dereference if required.
(Expand_SPARK): Call the new procedures.

2017-09-25  Patrick Bernardi  <bernardi@adacore.com>

* libgnat/a-stwiun.adb, libgnat/s-stchop__vxworks.adb,
libgnat/g-socthi__vxworks.ads, libgnat/a-stzunb.adb,
libgnat/a-strunb.adb, libgnarl/s-osinte__lynxos178.adb,
libgnarl/s-intman__vxworks.adb, libgnarl/s-osinte__darwin.adb,
libgnarl/a-exetim__darwin.adb: Removed ineffective use-clauses.

2017-09-25  Vasiliy Fofanov  <fofanov@adacore.com>

* adaint.c (win32_wait): Properly handle error and take into account
the WIN32 limitation on the number of simultaneous wait objects.

2017-09-25  Yannick Moy  <moy@adacore.com>

* sem_ch3.adb (Constant_Redeclaration): Do not insert a call to the
invariant procedure in GNATprove mode.
* sem_ch5.adb (Analyze_Assignment): Likewise.

From-SVN: r253143

7 years agographite-optimize-isl.c (optimize_isl): Fail and dump if ISL errors other than isl_er...
Richard Biener [Mon, 25 Sep 2017 09:48:31 +0000 (09:48 +0000)]
graphite-optimize-isl.c (optimize_isl): Fail and dump if ISL errors other than isl_error_quota happen.

2017-09-25  Richard Biener  <rguenther@suse.de>

* graphite-optimize-isl.c (optimize_isl): Fail and dump if
ISL errors other than isl_error_quota happen.  Dump if the
schedule is the same.
* graphite-sese-to-poly.c (build_poly_scop): Fail on ISL
errors instead of aborting inside ISL.

From-SVN: r253142

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 09:34:10 +0000 (09:34 +0000)]
[multiple changes]

2017-09-25  Piotr Trojanek  <trojanek@adacore.com>

* adabkend.adb (Call_Back_End): Fix wording of "front-end" and
"back-end" in comments.

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* exp_ch6.adb (Expand_Call_Helper): The extra accessibility check in a
call that appears in a classwide precondition and that mentions an
access formal of the subprogram, must use the accessibility level of
the actual in the call. This is one case in which a reference to a
formal parameter appears outside of the body of the subprogram.

From-SVN: r253141

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 09:24:26 +0000 (09:24 +0000)]
[multiple changes]

2017-09-25  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_res.adb (Replace_Actual_Discriminants): Replace a discriminant
for GNATprove.
(Resolve_Entry): Clean up predicate

2017-09-25  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Analyze_Constituent): Raise Unrecoverable_Error rather
than Program_Error because U_E is more in line with respect to the
intended behavior.

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* sem_ch13.adb (Resolve_Aspect_Expressions): The expression for aspect
Storage_Size does not freeze, and thus can include references to
deferred constants.

2017-09-25  Hristian Kirtchev  <kirtchev@adacore.com>

* exp_spark.adb (Expand_SPARK_Potential_Renaming): Do not process a
reference when it appears within a pragma of no significance to SPARK.
(In_Insignificant_Pragma): New routine.
* sem_prag.ads: Add new table Pragma_Significant_In_SPARK.

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* sem_ch12.adb (Analyze_Associations, case N_Formal_Package): If the
actual is a renaming, indicate that it is the renamed package that must
be frozen before the instantiation.

2017-09-25  Yannick Moy  <moy@adacore.com>

* doc/gnat_ugn/gnat_and_program_execution.rst: Fix typo in description
of dimensionality system in GNAT UG.
* gnat_ugn.texi: Regenerate.

2017-09-25  Yannick Moy  <moy@adacore.com>

* gnat1drv.adb: Call Check_Safe_Pointers from the frontend in
GNATprove_Mode when switch -gnatdF used.

2017-09-25  Piotr Trojanek  <trojanek@adacore.com>

* adabkend.adb (Call_Back_End): Reset Current_Error_Node when starting
the backend.

From-SVN: r253140

7 years agoexp_imgv.adb (Expand_Image_Attribute): Disable the optimized expansion of user-define...
Pierre-Marie de Rodat [Mon, 25 Sep 2017 09:06:22 +0000 (09:06 +0000)]
exp_imgv.adb (Expand_Image_Attribute): Disable the optimized expansion of user-defined enumeration types when...

gcc/ada/

2017-09-25  Javier Miranda  <miranda@adacore.com>

* exp_imgv.adb (Expand_Image_Attribute): Disable the optimized
expansion of user-defined enumeration types when the generation of
names for enumeration literals is suppressed.

2017-09-25  Gary Dismukes  <dismukes@adacore.com>

* libgnarl/s-taprop__linux.adb: Minor reformatting.

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* sem_ch13.adb (Resolve_Aspect_Expressions): Do not resolve identifiers
that appear as selector names of parameter associations, as these are
never resolved by visibility.

2017-09-25  Justin Squirek  <squirek@adacore.com>

* sem_res.adb (Resolve_Entry): Generate reference for index entities.

gcc/testsuite/

2017-09-25  Justin Squirek  <squirek@adacore.com>

* gnat.dg/entry_family.adb: New testcase

From-SVN: r253139

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 08:52:51 +0000 (08:52 +0000)]
[multiple changes]

2017-09-25  Doug Rupp  <rupp@adacore.com>

* libgnarl/s-taprop__linux.adb (Compute_Base_Monotonic_Clock): Refine.

2017-09-25  Javier Miranda  <miranda@adacore.com>

* exp_imgv.adb (Is_User_Defined_Enumeration_Type): New subprogram.
(Expand_User_Defined_Enumeration_Image): New subprogram.
(Expand_Image_Attribute): Enable speed-optimized expansion of
user-defined enumeration types when we are compiling with optimizations
enabled.

2017-09-25  Piotr Trojanek  <trojanek@adacore.com>

* sem_util.adb (Has_Null_Abstract_State): Remove, as an exactly same
routine is already provided by Einfo.
* einfo.adb (Has_Null_Abstract_State): Replace with the body from
Sem_Util, which had better comments and avoided double calls to
Abstract_State.

From-SVN: r253138

7 years ago[Patch, Darwin] Fix PR80556 by linking the system unwinder ahead of libgcc_eh.
Iain Sandoe [Mon, 25 Sep 2017 08:47:41 +0000 (08:47 +0000)]
[Patch, Darwin] Fix PR80556 by linking the system unwinder ahead of libgcc_eh.

PR target/80556
* config/i386/darwin.h (REAL_LIB_SPEC): New; put libSystem ahead
of libgcc_eh for m64.
* config/i386/darwin64.h: Likewise.

/* WORKAROUND pr80556:
   For x86_64 Darwin10 and later, the unwinder is in libunwind (redirected
   from libSystem).  This doesn't use the keymgr (see keymgr.c) and therefore
   the calls that libgcc makes to obtain the KEYMGR_GCC3_DW2_OBJ_LIST are not
   updated to include new images, and might not even be valid for a single
   image.
   Therefore, for 64b exes at least, we must use the libunwind implementation,
   even when static-libgcc is specified.  We put libSystem first so that
   unwinder symbols are satisfied from there.

From-SVN: r253137

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 08:46:40 +0000 (08:46 +0000)]
[multiple changes]

2017-09-25  Bob Duff  <duff@adacore.com>

* exp_ch3.adb: Rename Comp_Type_Simple to be Comp_Simple_Init.

2017-09-25  Doug Rupp  <rupp@adacore.com>

* libgnarl/s-taprop__linux.adb (Base_Monotonic_Clock): New variable.
(Compute_Base_Monotonic_Clock): New function.
(Timed_Sleep): Adjust to use Base_Monotonic_Clock.
(Timed_Delay): Likewise.
(Monotonic_Clock): Likewise.
* s-oscons-tmplt.c (CLOCK_MONOTONIC): Use on Linux.

From-SVN: r253136

7 years ago[multiple changes]
Pierre-Marie de Rodat [Mon, 25 Sep 2017 08:40:27 +0000 (08:40 +0000)]
[multiple changes]

2017-09-25  Ed Schonberg  <schonberg@adacore.com>

* sem_ch12.adb (Save_References_In_Aggregate): Small correction to
previous change.

2017-09-25  Hristian Kirtchev  <kirtchev@adacore.com>

* exp_ch5.adb, sem_ch4.adb, sem_ch13.adb, sem_attr.adb, exp_ch3.adb:
Minor reformatting.

From-SVN: r253135

7 years agore PR debug/82144 (ICE in add_dwarf_attr with alignas)
Richard Biener [Mon, 25 Sep 2017 07:25:31 +0000 (07:25 +0000)]
re PR debug/82144 (ICE in add_dwarf_attr with alignas)

2017-09-25  Richard Biener  <rguenther@suse.de>

PR middle-end/82144
* dwarf2out.c (gen_enumeration_type_die): Do not add alignment
attribute for incomplete types nor twice for complete ones.

From-SVN: r253134

7 years agoAdd myself as nvptx maintainer
Tom de Vries [Mon, 25 Sep 2017 07:11:31 +0000 (07:11 +0000)]
Add myself as nvptx maintainer

2017-09-25  Tom de Vries  <tom@codesourcery.com>

* MAINTAINERS (CPU Port Maintainers): Add myself as nvptx maintainer.

From-SVN: r253133

7 years agoRemove unnecessary fold_convert in gfc_(un)likely
Janne Blomqvist [Mon, 25 Sep 2017 06:44:18 +0000 (09:44 +0300)]
Remove unnecessary fold_convert in gfc_(un)likely

This patch removes an unnecessary fold_convert to boolean_type_node at
the end of gfc_likely and gfc_unlikely.  It makes no difference to the
generated code, but makes tree dumps a little bit cleaner.

2017-09-25  Janne Blomqvist  <jb@gcc.gnu.org>
        * trans.c (gfc_unlikely): Remove unnecessary fold_convert.
        (gfc_likely): Likewise.

Regtested on x86_64-pc-linux-gnu.

From-SVN: r253132

7 years agoDaily bump.
GCC Administrator [Mon, 25 Sep 2017 00:16:17 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r253131

7 years agox32: Encode %esp as %rsp to avoid 0x67 prefix
H.J. Lu [Sun, 24 Sep 2017 21:37:09 +0000 (14:37 -0700)]
x32: Encode %esp as %rsp to avoid 0x67 prefix

Since the upper 32 bits of stack register are always zero for x32, we
can encode %esp as %rsp to avoid 0x67 prefix in address if there is no
index or base register.

gcc/

PR target/82267
* config/i386/i386.c (ix86_print_operand_address_as): Encode
%esp as %rsp to avoid 0x67 prefix if there is no index or base
register.

gcc/testsuite/

PR target/82267
* gcc.target/i386/pr82267.c: New test.

From-SVN: r253127

7 years agore PR fortran/66328 (Wrong initialization of derived-type DATA)
Thomas Koenig [Sun, 24 Sep 2017 14:26:55 +0000 (14:26 +0000)]
re PR fortran/66328 (Wrong initialization of derived-type DATA)

2017-09-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
PR fortran/66328

* gfortran.dg/data_derived_1.f90: New test.

From-SVN: r253126

7 years agore PR fortran/54633 (ICEs and reject valid with MINLOC/MINVAL (MAXLOC/MAXVAL) due...
Thomas Koenig [Sun, 24 Sep 2017 13:51:39 +0000 (13:51 +0000)]
re PR fortran/54633 (ICEs and reject valid with MINLOC/MINVAL (MAXLOC/MAXVAL) due to lacking compile-time simplification)

2017-09-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/54633
* gfortran.dg/intrinsic_bounds_1.f90: New test.
* gfortran.dg/intrinsic_param_1.f90: New test.

From-SVN: r253125

7 years ago+2017-09-24 Dominique d'Humieres <dominiq@lps.ens.fr>
Dominique d'Humieres [Sun, 24 Sep 2017 13:47:11 +0000 (15:47 +0200)]
+2017-09-24  Dominique d'Humieres  <dominiq@lps.ens.fr>

PR libgfortran/79612
* runtime/bounds.c: Use GFC_ASSERT.

From-SVN: r253124

7 years agore PR fortran/80118 (ICE with zero size parameter array)
Thomas Koenig [Sun, 24 Sep 2017 08:39:00 +0000 (08:39 +0000)]
re PR fortran/80118 (ICE with zero size parameter array)

2017-09-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
    Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/80118
* expr.c (gfc_get_full_arrayspec_from_expr): If there is
no symtree, set array spec to NULL.

2017-09-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
    Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/80118
* gfortran.dg/zero_sized_7.f90: New test.

Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>
From-SVN: r253123

7 years agoDaily bump.
GCC Administrator [Sun, 24 Sep 2017 00:16:22 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r253122

7 years agore PR bootstrap/82306 (Revision r253089 breaks bootstrap on Darwin)
Uros Bizjak [Sat, 23 Sep 2017 14:26:06 +0000 (16:26 +0200)]
re PR bootstrap/82306 (Revision r253089 breaks bootstrap on Darwin)

PR bootstrap/82306
* config/i386/i386.opt (mprefer-avx256): Use
ix86_target_flags variable.
* config/i386/i386.c (ix86_target_string): Move
-mprefer-avx256 to flag2_opts.

From-SVN: r253118

7 years agore PR fortran/82143 (add a -fdefault-real-16 flag)
Janus Weil [Sat, 23 Sep 2017 13:15:20 +0000 (15:15 +0200)]
re PR fortran/82143 (add a -fdefault-real-16 flag)

2017-09-23  Janus Weil  <janus@gcc.gnu.org>

PR fortran/82143
* lang.opt: Add the options -fdefault-real-10 and -fdefault-real-16.
Rename flag_default_real to flag_default_real_8.
* invoke.texi: Add documentation.
* module.c (use_iso_fortran_env_module): flag_default_real is renamed.
* trans-types.c (gfc_init_kinds): Implement the flags
-fdefault-real-10 and -fdefault-real-16. Make -fdefault-double-8 work
without -fdefault-real-8.

2017-09-23  Janus Weil  <janus@gcc.gnu.org>

PR fortran/82143
* gfortran.dg/promotion_3.f90: New test case.
* gfortran.dg/promotion_4.f90: New test case.

From-SVN: r253117

7 years agoPR target/82196 addendum: Fix Darwin build breakage and test FAILS on Solaris
Daniel Santos [Sat, 23 Sep 2017 11:02:54 +0000 (11:02 +0000)]
PR target/82196 addendum: Fix Darwin build breakage and test FAILS on Solaris

gcc/testsuite:
* gcc.target/i386/pr82196-1.c: (b): Remove volatile asm.
* gcc.target/i386/pr82196-2.c: (b): Likewise.

libgcc:
* configure.ac: Add Check for HAVE_AS_AVX.
* config.in: Regenerate.
* configure: Likewise.
* config/i386/i386-asm.h: Include auto-target.h from libgcc.
(SSE_SAVE, SSE_RESTORE): Emit .byte sequence for !HAVE_AS_AVX.
Correct out-of-date comments.

From-SVN: r253116

7 years agoDaily bump.
GCC Administrator [Sat, 23 Sep 2017 00:16:21 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r253114

7 years agore PR bootstrap/81926 (go/parse.o differs between stage2 and stage3)
Eric Botcazou [Fri, 22 Sep 2017 20:20:25 +0000 (20:20 +0000)]
re PR bootstrap/81926 (go/parse.o differs between stage2 and stage3)

PR bootstrap/81926
* cp-objcp-common.c (cp_get_debug_type): Do only one lookup.

From-SVN: r253109

7 years agore PR middle-end/35691 (Missed (a == 0) && (b == 0) into (a|(typeof(a)(b)) == 0 when...
Jakub Jelinek [Fri, 22 Sep 2017 18:56:23 +0000 (20:56 +0200)]
re PR middle-end/35691 (Missed (a == 0) && (b == 0) into (a|(typeof(a)(b)) == 0 when the types don't match)

PR middle-end/35691
* match.pd: Simplify x == -1 & y == -1 into (x & y) == -1
and x != -1 | y != -1 into (x & y) != -1.

* gcc.dg/pr35691-1.c: Use -fdump-tree-forwprop1-details
instead of -fdump-tree-forwprop-details in dg-options.
* gcc.dg/pr35691-2.c: Likewise.
* gcc.dg/pr35691-3.c: New test.
* gcc.dg/pr35691-4.c: New test.

From-SVN: r253107

7 years agore PR sanitizer/81929 (exponential slowdown in undefined behavior sanitizer for strea...
Jakub Jelinek [Fri, 22 Sep 2017 18:55:21 +0000 (20:55 +0200)]
re PR sanitizer/81929 (exponential slowdown in undefined behavior sanitizer for streaming)

PR sanitizer/81929
* tree.c (struct replace_placeholders_t): Add pset field.
(replace_placeholders_r): Call cp_walk_tree with d->pset as
last argument instead of NULL.  Formatting fix.
(replace_placeholders): Add pset variable, add its address
into data.  Pass &pset instead of NULL to cp_walk_tree.

* g++.dg/ubsan/pr81929.C: New test.

From-SVN: r253106

7 years agodebug/xcoff,cmd: add XCOFF support
Ian Lance Taylor [Fri, 22 Sep 2017 18:49:52 +0000 (18:49 +0000)]
debug/xcoff,cmd: add XCOFF support

    Reviewed-on: https://go-review.googlesource.com/64592

From-SVN: r253105

7 years agoconfig.gcc: Add new case statement to set default_gnu_indirect_function.
Steve Ellcey [Fri, 22 Sep 2017 18:04:18 +0000 (18:04 +0000)]
config.gcc: Add new case statement to set default_gnu_indirect_function.

2017-09-22  Steve Ellcey  <sellcey@cavium.com>

* config.gcc: Add new case statement to set
default_gnu_indirect_function.  Remove it from x86_64-*-linux*,
i[34567]86-*, powerpc*-*-linux*spe*, powerpc*-*-linux*, s390-*-linux*,
s390x-*-linux* case statements.   Added aarch64 to the list of
supported architectures.

From-SVN: r253104

7 years agoPR82289: Computing peeling costs for irrelevant drs
Richard Sandiford [Fri, 22 Sep 2017 17:04:51 +0000 (17:04 +0000)]
PR82289: Computing peeling costs for irrelevant drs

This PR shows that we weren't filtering out irrelevant stmts in
vect_get_peeling_costs_all_drs (unlike related loops in which
we iterate over all datarefs).

2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
PR tree-optimization/82289
* tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Check
STMT_VINFO_RELEVANT_P.

gcc/testsuite/
PR tree-optimization/82289
* gcc.dg/vect/pr82289.c: New test.

From-SVN: r253103

7 years agorange_int_cst_p handling in extract_range_from_binary_expr_1
Richard Sandiford [Fri, 22 Sep 2017 17:00:56 +0000 (17:00 +0000)]
range_int_cst_p handling in extract_range_from_binary_expr_1

extract_range_from_binary_expr_1 had:

      if (range_int_cst_p (&vr0)
          && range_int_cst_p (&vr1)
          && TYPE_OVERFLOW_WRAPS (expr_type))
        ...
      ...
      extract_range_from_multiplicative_op_1 (vr, code, &vr0, &vr1);

but extract_range_from_multiplicative_op_1 also requires range_int_cst_p.
I think we should bail out if either range isn't a constant.

This might only be theoretical with current sources, but it's needed
once polynomial constants are added.

2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* tree-vrp.c (extract_range_from_multiplicative_op_1): Assert
for VR_RANGE only; don't allow VR_ANTI_RANGE.
(extract_range_from_binary_expr_1): Don't call
extract_range_from_multiplicative_op_1 if !range_int_cst_p.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253102

7 years agoLet the target choose a vectorisation alignment
Richard Sandiford [Fri, 22 Sep 2017 16:44:29 +0000 (16:44 +0000)]
Let the target choose a vectorisation alignment

The vectoriser aligned vectors to TYPE_ALIGN unconditionally, although
there was also a hard-coded assumption that this was equal to the type
size.  This was inconvenient for SVE for two reasons:

- When compiling for a specific power-of-2 SVE vector length, we might
  want to align to a full vector.  However, the TYPE_ALIGN is governed
  by the ABI alignment, which is 128 bits regardless of size.

- For vector-length-agnostic code it doesn't usually make sense to align,
  since the runtime vector length might not be a power of two.  Even for
  power of two sizes, there's no guarantee that aligning to the previous
  16 bytes will be an improveent.

This patch therefore adds a target hook to control the preferred
vectoriser (as opposed to ABI) alignment.

2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* target.def (preferred_vector_alignment): New hook.
* doc/tm.texi.in (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): New
hook.
* doc/tm.texi: Regenerate.
* targhooks.h (default_preferred_vector_alignment): Declare.
* targhooks.c (default_preferred_vector_alignment): New function.
* tree-vectorizer.h (dataref_aux): Add a target_alignment field.
Expand commentary.
(DR_TARGET_ALIGNMENT): New macro.
(aligned_access_p): Update commentary.
(vect_known_alignment_in_bytes): New function.
* tree-vect-data-refs.c (vect_calculate_required_alignment): New
function.
(vect_compute_data_ref_alignment): Set DR_TARGET_ALIGNMENT.
Calculate the misalignment based on the target alignment rather than
the vector size.
(vect_update_misalignment_for_peel): Use DR_TARGET_ALIGMENT
rather than TYPE_ALIGN / BITS_PER_UNIT to update the misalignment.
(vect_enhance_data_refs_alignment): Mask the byte misalignment with
the target alignment, rather than masking the element misalignment
with the number of elements in a vector.  Also use the target
alignment when calculating the maximum number of peels.
(vect_find_same_alignment_drs): Use vect_calculate_required_alignment
instead of TYPE_ALIGN_UNIT.
(vect_duplicate_ssa_name_ptr_info): Remove stmt_info parameter.
Measure DR_MISALIGNMENT relative to DR_TARGET_ALIGNMENT.
(vect_create_addr_base_for_vector_ref): Update call accordingly.
(vect_create_data_ref_ptr): Likewise.
(vect_setup_realignment): Realign by ANDing with
-DR_TARGET_MISALIGNMENT.
* tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Calculate
the number of peels based on DR_TARGET_ALIGNMENT.
* tree-vect-stmts.c (get_group_load_store_type): Compare the gap
with the guaranteed alignment boundary when deciding whether
overrun is OK.
(vectorizable_mask_load_store): Interpret DR_MISALIGNMENT
relative to DR_TARGET_ALIGNMENT instead of TYPE_ALIGN_UNIT.
(ensure_base_align): Remove stmt_info parameter.  Get the
target base alignment from DR_TARGET_ALIGNMENT.
(vectorizable_store): Update call accordingly.   Interpret
DR_MISALIGNMENT relative to DR_TARGET_ALIGNMENT instead of
TYPE_ALIGN_UNIT.
(vectorizable_load): Likewise.

gcc/testsuite/
* gcc.dg/vect/vect-outer-3a.c: Adjust dump scan for new wording
of alignment message.
* gcc.dg/vect/vect-outer-3a-big-array.c: Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253101

7 years agoFix testsuite fallout from r252976.
Martin Sebor [Fri, 22 Sep 2017 16:30:35 +0000 (16:30 +0000)]
Fix testsuite fallout from r252976.

gcc/testsuite/ChangeLog:

PR c/81854
* gcc.target/i386/pr80732.c: Correct a type error.

From-SVN: r253100

7 years agoAdd a vect_get_scalar_dr_size helper function
Richard Sandiford [Fri, 22 Sep 2017 16:26:43 +0000 (16:26 +0000)]
Add a vect_get_scalar_dr_size helper function

This patch adds a helper function for getting the number of bytes
accessed by an unvectorised data reference, which helps when general
modes have a variable size.

2017-09-22  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* tree-vectorizer.h (vect_get_scalar_dr_size): New function.
* tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use it.
(vect_enhance_data_refs_alignment): Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253099

7 years ago[arm] Improve error checking in parsecpu.awk
Richard Earnshaw [Fri, 22 Sep 2017 16:24:46 +0000 (17:24 +0100)]
[arm] Improve error checking in parsecpu.awk

This patch adds a bit more error checking to parsecpu.awk to ensure
that statements are not missing arguments or have excess arguments
beyond those permitted.  It also slightly improves the handling of
errors so that we terminate properly if parsing fails and be as
helpful as we can while in the parsing phase.

2017-09-22  Richard Earnshaw  <richard.earnshaw@arm.com>

* config/arm/parsecpu.awk (fatal): Note that we've encountered an
error.  Only quit immediately if parsing is complete.
(BEGIN): Initialize fatal_err and parse_done.
(begin fpu, end fpu): Check number of arguments.
(begin arch, end arch): Likewise.
(begin cpu, end cpu): Likewise.
(cname, tune for, tune flags, architecture, fpu, option): Likewise.
(optalias): Likewise.

From-SVN: r253098

7 years ago[arm] auto-generate arm-isa.h from CPU descriptions
Richard Earnshaw [Fri, 22 Sep 2017 16:17:11 +0000 (17:17 +0100)]
[arm] auto-generate arm-isa.h from CPU descriptions

This patch autogenerates arm-isa.h from new entries in arm-cpus.in.
This has the primary advantage that it makes the description file more
self-contained, but it also solves the 'array dimensioning' problem
that Tamar recently encountered.  It adds two new constructs to
arm-cpus.in: features and fgroups.  Fgroups are simply a way of naming
a group of feature bits so that they can be referenced together.  We
follow the convention that feature bits are all lower case, while
fgroups are (predominantly) upper case. This is helpful as in some
contexts they share the same namespace. Most of the minor changes in
this patch are related to adopting this new naming convention.

2017-09-22  Richard Earnshaw  <richard.earnshaw@arm.com>

* config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
* config/arm/arm-isa.h: Delete.  Move definitions to ...
* arm-cpus.in: ... here.  Use new feature and fgroup values.
* config/arm/arm.c (arm_option_override): Use lower case for feature
bit names.
* config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
(TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
* config/arm/parsecpu.awk (END): Add new command 'isa'.
(isa_pfx): Delete.
(print_isa_bits_for): New function.
(gen_isa): New function.
(gen_comm_data): Use print_isa_bits_for.
(define feature): New keyword.
(define fgroup): New keyword.
* config/arm/t-arm (TM_H): Remove.
(GTM_H): Add arm-isa.h.
(arm-isa.h): Add rule to generate file.
* common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
case for feature bit names.

From-SVN: r253097

7 years agoC++: underline parameters in mismatching function calls
David Malcolm [Fri, 22 Sep 2017 14:49:52 +0000 (14:49 +0000)]
C++: underline parameters in mismatching function calls

gcc/cp/ChangeLog:
* call.c (get_fndecl_argument_location): New function.
(convert_like_real): Use it  when complaining about argument type
mismatches.
* cp-tree.h (struct cp_parameter_declarator): Add "loc" field.
* parser.c (make_parameter_declarator): Add "loc" param and use
it to initialize the new field.
(cp_parser_translation_unit): Add UNKNOWN_LOCATION for "loc" of
the "no_parameters" parameter.
(cp_parser_parameter_declaration_list): Set the location of the
result of grokdeclarator to be the parameter's loc, assuming no
errors.
(cp_parser_parameter_declaration): Generate a location for the
parameter and pass to make_parameter_declarator.

gcc/testsuite/ChangeLog:
* g++.dg/diagnostic/param-type-mismatch.C: Update expected results
to reflect highlighting of parameters; add test coverage for
callback parameters.

From-SVN: r253096

7 years agore PR sanitizer/77631 (no symbols in backtrace shown by ASan when debug info is split)
Ian Lance Taylor [Fri, 22 Sep 2017 13:38:10 +0000 (13:38 +0000)]
re PR sanitizer/77631 (no symbols in backtrace shown by ASan when debug info is split)

PR sanitizer/77631
* configure.ac: Check for lstat and readlink.
* elf.c (lstat, readlink): Provide dummy versions if real versions
are not available.
* configure, config.h.in: Rebuild.

From-SVN: r253095

7 years agographite-isl-ast-to-gimple.c (graphite_verify): Inline into single caller.
Richard Biener [Fri, 22 Sep 2017 13:16:21 +0000 (13:16 +0000)]
graphite-isl-ast-to-gimple.c (graphite_verify): Inline into single caller.

2017-09-22  Richard Biener  <rguenther@suse.de>

* graphite-isl-ast-to-gimple.c (graphite_verify): Inline into
single caller.
(graphite_regenerate_ast_isl): Do not reset SCEV.  Move debug
print of no dependency loops ...
* graphite.c (graphite_transform_loops): ... here.
(canonicalize_loop_closed_ssa_form): Work from inner to outer
loops.
(same_close_phi_node, remove_duplicate_close_phi,
make_close_phi_nodes_unique, defined_in_loop_p): Fold into ...
(canonicalize_loop_closed_ssa): ... here and simplify.
* graphite-optimize-isl.c: Include tree-vectorizer.h.
(optimize_isl): Use dump_printf_loc to tell when we stopped
optimizing because of an ISL timeout.

* gcc.dg/graphite/scop-24.c: New testcase.

From-SVN: r253094

7 years agore PR tree-optimization/82291 (wrong code at -O3 on x86_64-linux-gnu)
Richard Biener [Fri, 22 Sep 2017 12:00:55 +0000 (12:00 +0000)]
re PR tree-optimization/82291 (wrong code at -O3 on x86_64-linux-gnu)

2017-09-22  Richard Biener  <rguenther@suse.de>

PR tree-optimization/82291
* tree-if-conv.c (predicate_mem_writes): Make sure to
remove writes in blocks predicated with false.

* gcc.dg/torture/pr82291.c: New testcase.

From-SVN: r253093

7 years agosese.c: Include cfganal.h.
Richard Biener [Fri, 22 Sep 2017 10:05:34 +0000 (10:05 +0000)]
sese.c: Include cfganal.h.

2017-09-22  Richard Biener  <rguenther@suse.de>

* sese.c: Include cfganal.h.
(if_region_set_false_region): Remove.
(create_if_region_on_edge): Likewise.
(move_sese_in_condition): Re-implement without destroying
dominators.

From-SVN: r253092

7 years agore PR fortran/52832 ([F03] ASSOCIATE construct with proc-pointer selector is rejected)
Paul Thomas [Fri, 22 Sep 2017 08:38:31 +0000 (08:38 +0000)]
re PR fortran/52832 ([F03] ASSOCIATE construct with proc-pointer selector is rejected)

2017-09-22  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/52832
* gfortran.dg/associate_31.f90 : Remove failing test.

From-SVN: r253091

7 years agographite-isl-ast-to-gimple.c (translate_pending_phi_nodes): Verify both BBs contain...
Richard Biener [Fri, 22 Sep 2017 07:31:32 +0000 (07:31 +0000)]
graphite-isl-ast-to-gimple.c (translate_pending_phi_nodes): Verify both BBs contain loop PHI nodes before dispatching to copy_loop_phi_args.

2017-09-21  Richard Biener  <rguenther@suse.de>

* graphite-isl-ast-to-gimple.c (translate_pending_phi_nodes):
Verify both BBs contain loop PHI nodes before dispatching to
copy_loop_phi_args.
(graphite_regenerate_ast_isl): Do not recompute dominators,
do not verify three times.  Restructure for clarity.
* graphite-scop-detection.c (same_close_phi_node,
remove_duplicate_close_phi, make_close_phi_nodes_unique,
defined_in_loop_p, canonicalize_loop_closed_ssa,
canonicalize_loop_closed_ssa_form): Simplify, remove excess
checking and SSA rewrite, move to ...
* graphite.c: ... here.  Include ssa.h and tree-ssa-loop-manip.h.
(graphite_initialize): Do not pass in ctx, do not reset the
SCEV cache, compute only dominators.
(graphite_transform_loops): Allocate ISL ctx after
graphite_initialize.  Call canonicalize_loop_closed_ssa_form.
Maintain post-dominators only around build_scops.
* sese.c (if_region_set_false_region): Make static.  Free
and recompute dominators.
(move_sese_in_condition): Assert we don't get called with
post-dominators computed.
* sese.h (if_region_set_false_region): Remove.

From-SVN: r253090

7 years agosse.md ("mov<mode>_internal"): Use <sseinsnmode> mode attribute for TARGET_AVX512VL.
Sergey Shalnov [Fri, 22 Sep 2017 05:13:33 +0000 (07:13 +0200)]
sse.md ("mov<mode>_internal"): Use <sseinsnmode> mode attribute for TARGET_AVX512VL.

/gcc
        * config/i386/sse.md ("mov<mode>_internal"): Use <sseinsnmode>
mode attribute for TARGET_AVX512VL.

* config/i386/i386.opt (mprefer-avx256): New option.
* config/i386/i386.c (ix86_target_string): Add -mprefer-avx256
to flag_opts.
(ix86_preferred_simd_mode): Return 256-bit AVX modes
for TARGET_PREFER_AVX256.
* doc/invoke.texi (x86 Options): Document -mprefer-avx256.

/testsuite

        * gcc.target/i386/avx512f-constant-set.c: New test.

* g++.dg/ext/pr57362.C: Test __attribute__((target("prefer-avx256"))).
* gcc.target/i386/avx512f-prefer.c: New test.

From-SVN: r253089

7 years agoDaily bump.
GCC Administrator [Fri, 22 Sep 2017 00:16:16 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r253088

7 years ago<commit missing files>
Michael Meissner [Thu, 21 Sep 2017 22:41:08 +0000 (22:41 +0000)]
<commit missing files>

2017-09-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

* gcc.target/powerpc/float128-fma1.c: New test.
* gcc.target/powerpc/float128-fma2.c: Likewise.
* gcc.target/powerpc/float128-sqrt1.c: Likewise.
* gcc.target/powerpc/float128-sqrt2.c: Likewise.

From-SVN: r253083

7 years agoi386.c (ix86_adjust_stack_and_probe_stack_clash): Fix dump output if the only stack...
Jeff Law [Thu, 21 Sep 2017 22:03:59 +0000 (16:03 -0600)]
i386.c (ix86_adjust_stack_and_probe_stack_clash): Fix dump output if the only stack space is for pushed registers.

* config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash):
Fix dump output if the only stack space is for pushed registers.

* lib/target-supports.exp
(check_effective_target_frame_pointer_for_non_leaf): Add
case for x86 Solaris.

From-SVN: r253082

7 years agoFix spu build after r253072
Richard Sandiford [Thu, 21 Sep 2017 21:36:27 +0000 (21:36 +0000)]
Fix spu build after r253072

2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
* config/spu/spu.c (spu_sched_adjust_cost): Update after renaming
of insn_cost.

From-SVN: r253080

7 years agore PR go/82284 (go -version segfaults on big endian architectures)
Ian Lance Taylor [Thu, 21 Sep 2017 18:44:39 +0000 (18:44 +0000)]
re PR go/82284 (go -version segfaults on big endian architectures)

PR go/82284
* elf.c (backtrace_initialize): Set pd.exe_filename.

From-SVN: r253078

7 years agore PR fortran/52832 ([F03] ASSOCIATE construct with proc-pointer selector is rejected)
Paul Thomas [Thu, 21 Sep 2017 18:40:21 +0000 (18:40 +0000)]
re PR fortran/52832 ([F03] ASSOCIATE construct with proc-pointer selector is rejected)

2017-09-21  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/52832
* match.c (gfc_match_associate): Before failing the association
try again, allowing a proc pointer selector.

PR fortran/80120
PR fortran/81903
PR fortran/82121
* primary.c (gfc_match_varspec): Introduce 'tgt_expr', which
points to the associate selector, if any. Go through selector
references, after resolution for variables, to catch any full
or section array references. If a class associate name does
not have the same declared type as the selector, resolve the
selector and copy the declared type to the associate name.
Before throwing a no implicit type error, resolve all allowed
selector expressions, and copy the resulting typespec.

PR fortran/67543
* resolve.c (resolve_assoc_var): Selector must cannot be the
NULL expression and it must have a type.

PR fortran/78152
* resolve.c (resolve_symbol): Allow associate names to be
coarrays.

2017-09-21  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/78512
* gfortran.dg/associate_26.f90 : New test.

PR fortran/80120
* gfortran.dg/associate_27.f90 : New test.

PR fortran/81903
* gfortran.dg/associate_28.f90 : New test.

PR fortran/82121
* gfortran.dg/associate_29.f90 : New test.

PR fortran/67543
* gfortran.dg/associate_30.f90 : New test.

PR fortran/52832
* gfortran.dg/associate_31.f90 : New test.

From-SVN: r253077

7 years agoPR c/81882 - attribute ifunc documentation uses invalid code
Martin Sebor [Thu, 21 Sep 2017 17:19:16 +0000 (17:19 +0000)]
PR c/81882 - attribute ifunc documentation uses invalid code

gcc/ChangeLog:

PR c/81882
* doc/extend.texi (attribute ifunc): Avoid relying on ill-formed
code (in C++) or code that triggers warnings.

From-SVN: r253076

7 years ago[demangler PATCH]: Revert and update generic lambda demangling
Nathan Sidwell [Thu, 21 Sep 2017 15:52:31 +0000 (15:52 +0000)]
[demangler PATCH]: Revert and update generic lambda demangling

https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01482.html
PR demangler/82195
* cp-demangle.c (d_name): Revert addition of 'toplevel' parm.
(has_return_type): Recurse for DEMANGLE_COMPONENT_LOCAL_NAME.
(d_encoding): Revert d_name change.  Use is_fnqual_component_type
to strip modifiers that do not belong.
(d_special_name, d_class_enum_type): Revert d_name call change.
(d_expresion_1): Commonize DEMANGLE_COMPONENT_UNARY building.
(d_local_name): Revert parsing of a function type.
(d_print_comp_inner): An inner LOCAL_NAME might contain a
TEMPLATE.
* testsuite/demangle-expected: Add & adjust tests

From-SVN: r253075

7 years ago* stor-layout.c (bit_from_pos): Do not distribute the conversion.
Eric Botcazou [Thu, 21 Sep 2017 15:45:36 +0000 (15:45 +0000)]
* stor-layout.c (bit_from_pos): Do not distribute the conversion.

From-SVN: r253074

7 years agore PR testsuite/78421 (vect-strided-a-u8-i2-gap.c fails on armeb)
Tamar Christina [Thu, 21 Sep 2017 14:45:03 +0000 (14:45 +0000)]
re PR testsuite/78421 (vect-strided-a-u8-i2-gap.c fails on armeb)

2017-09-21  Tamar Christina  <tamar.christina@arm.com>

PR testsuite/78421
* lib/target-supports.exp (check_effective_target_vect_hw_misalign):
Invert arm check.

From-SVN: r253073

7 years agoRename existing insn_cost to insn_sched_cost
Segher Boessenkool [Thu, 21 Sep 2017 14:32:34 +0000 (16:32 +0200)]
Rename existing insn_cost to insn_sched_cost

haifa-sched exports an insn_cost function, but it is only used in a
few places and specialised to scheduling.  This patch renames it to
insn_sched_cost.

* haifa-sched.c: Rename insn_cost to insn_sched_cost.
* sched-rgn.c: Ditto.
* sel-sched-ir.c: Ditto.

From-SVN: r253072

7 years agoopenmp.c (gfc_match_oacc_wait): Don't restrict wait directive arguments to constant...
Cesar Philippidis [Thu, 21 Sep 2017 13:59:26 +0000 (06:59 -0700)]
openmp.c (gfc_match_oacc_wait): Don't restrict wait directive arguments to constant integers.

gcc/fortran/
* openmp.c (gfc_match_oacc_wait): Don't restrict wait directive
arguments to constant integers.

gcc/testsuite/
* gfortran.dg/goacc/wait.f90: New test.

From-SVN: r253071

7 years agotoplev: read from /dev/urandom only when needed
Alexander Monakov [Thu, 21 Sep 2017 12:58:14 +0000 (15:58 +0300)]
toplev: read from /dev/urandom only when needed

* toplev.h (set_random_seed): Adjust return type.
* toplev.c (init_local_tick): Move eager initialization of random_seed
to get_random_seed.  Adjust comment.
(init_random_seed): Inline to get_random_seed, delete.
(get_random_seed): Initialize random_seed lazily.
(set_random_seed): Do not return previous value.
(print_switch_value): Do not call get_random_seed.

From-SVN: r253069

7 years agoipa: fix dumping with deleted multiversioning nodes
Evgeny Kudryashov [Thu, 21 Sep 2017 12:54:38 +0000 (12:54 +0000)]
ipa: fix dumping with deleted multiversioning nodes

2017-09-21  Evgeny Kudryashov <kudryashov@ispras.ru>

* cgraph.c (delete_function_version): New, broken out from...
(cgraph_node::delete_function_version): ...here.  Rename to
cgraph_node::delete_function_version_by_decl.  Update all uses.
(cgraph_node::remove): Call delete_function_version.

From-SVN: r253066

7 years agore PR sanitizer/81715 (asan-stack=1 redzone allocation is too inflexible)
Jakub Jelinek [Thu, 21 Sep 2017 12:26:34 +0000 (14:26 +0200)]
re PR sanitizer/81715 (asan-stack=1 redzone allocation is too inflexible)

PR sanitizer/81715
* tree-inline.c (expand_call_inline): Emit clobber stmts for
VAR_DECLs to which addressable non-volatile parameters are mapped
and for id->retvar after the return value assignment.  Clear
id->retval and id->retbnd after inlining.

* g++.dg/tree-ssa/pr8781.C (noop): Change argument type from
const predicate to const predicate & to avoid UB.
* g++.dg/opt/pr81715.C: New test.

From-SVN: r253065

7 years agore PR tree-optimization/82276 (-O2: ICE: SSA corruption during RTL pass: expand;...
Richard Biener [Thu, 21 Sep 2017 12:12:33 +0000 (12:12 +0000)]
re PR tree-optimization/82276 (-O2: ICE: SSA corruption during RTL pass: expand; at tree-ssa-coalesce.c:1010)

2017-09-21  Richard Biener  <rguenther@suse.de>

PR tree-optimization/82276
PR tree-optimization/82244
* tree-vrp.c (build_assert_expr_for): Set
SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the variable we assert on
has it set.
(remove_range_assertions): Revert earlier change.

* gcc.dg/torture/pr82276.c: New testcase.

From-SVN: r253062

7 years agoPR71951: Fix unwinding with -fomit-frame-pointer
Wilco Dijkstra [Thu, 21 Sep 2017 12:08:12 +0000 (12:08 +0000)]
PR71951: Fix unwinding with -fomit-frame-pointer

As described in PR71951, if libgcc is built with -fomit-frame-pointer,
unwinding crashes, for example while doing a backtrace.  The underlying
reason is the Dwarf unwinder does not setup the frame pointer register
in the initialization code.  When later unwinding a function that uses
the frame pointer, it tries to read FP using _Unwind_GetGR, and this
crashes if has never restored FP.  To unwind correctly the first frame
must save and restore FP (it is unwound in a special way so that it
uses SP instead of FP).  This is done by adding -fno-omit-frame-pointer.

    gcc/
PR target/71951
* config/aarch64/aarch64.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.

From-SVN: r253061

7 years agographite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Restore valid IL after...
Richard Biener [Thu, 21 Sep 2017 12:02:58 +0000 (12:02 +0000)]
graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Restore valid IL after code generation errors.

2017-09-21  Richard Biener  <rguenther@suse.de>

* graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
Restore valid IL after code generation errors.
* graphite.c (graphite_transform_loops): Diagnose code
generation issues as MSG_MISSED_OPTIMIZATION and continue
with processing SCOPs.

From-SVN: r253060

7 years agoMake more use of simplify_gen_binary
Richard Sandiford [Thu, 21 Sep 2017 11:14:01 +0000 (11:14 +0000)]
Make more use of simplify_gen_binary

This patch replaces various places that previously used:

  if (GET_CODE (y) == CONST_INT)
    ... plus_constant (..., x, [-]INTVAL (y)) ...
  else
    ... gen_rtx_PLUS/MINUS (..., x, y) ...

with single calls to simplify_gen_binary.  This allows
them to handle polynomial integers as well as constants.

2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* calls.c (compute_argument_addresses): Use simplify_gen_binary
rather than choosing between plus_constant and gen_rtx_<CODE>.
* expr.c (emit_push_insn): Likewise.
(expand_expr_real_2): Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253059

7 years agoAdd copy_rtx call to RTL loop unroller
Richard Sandiford [Thu, 21 Sep 2017 11:10:48 +0000 (11:10 +0000)]
Add copy_rtx call to RTL loop unroller

This is needed if the step is an unshared constant, like many
(const ...)s are.  Without this patch, libgfortran would fail
to build for SVE.

2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* loop-unroll.c (split_iv): Call copy_rtx on the step.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253058

7 years agoFix unguarded uses of tree_to_uhwi
Richard Sandiford [Thu, 21 Sep 2017 11:06:48 +0000 (11:06 +0000)]
Fix unguarded uses of tree_to_uhwi

This patch uses tree_fits_uhwi_p to protect a previously unguarded
use of tree_to_uhwi.  Previously we would ICE for variable-sized types.

2017-09-20  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* tree.c (find_atomic_core_type): Check tree_fits_uhwi_p before
calling tree_to_uhwi.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253057

7 years agoTighten tree-ssa-ccp.c:get_value_for_expr condition
Richard Sandiford [Thu, 21 Sep 2017 11:00:43 +0000 (11:00 +0000)]
Tighten tree-ssa-ccp.c:get_value_for_expr condition

bit_value_unop and bit_value_binop require constant values
to be INTEGER_CSTs:

  gcc_assert ((rval.lattice_val == CONSTANT
               && TREE_CODE (rval.value) == INTEGER_CST)
              || wi::sext (rval.mask, TYPE_PRECISION (TREE_TYPE (rhs))) == -1);

However, when deciding whether to record a constant value,
the for_bits_p handling in get_value_for_expr used a negative
test for ADDR_EXPR:

  else if (is_gimple_min_invariant (expr)
           && (!for_bits_p || TREE_CODE (expr) != ADDR_EXPR))

This patch uses a positive test for INTEGER_CST instead.

Existing tests showed the need for this once polynomial constants
are added.

2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* tree-ssa-ccp.c (get_value_for_expr): Use a positive test for
INTEGER_CST rather than a negative test for ADDR_EXPR.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253056

7 years agoTweak
Eric Botcazou [Thu, 21 Sep 2017 11:00:21 +0000 (11:00 +0000)]
Tweak

From-SVN: r253055

7 years agoAdd missing int_cst_rangeN checks to tree-vrp.c
Richard Sandiford [Thu, 21 Sep 2017 10:53:40 +0000 (10:53 +0000)]
Add missing int_cst_rangeN checks to tree-vrp.c

The BIT_AND_EXPR handling in extract_range_from_binary_expr_1
was using value_range_constant_singleton without first checking
whether the range was a constant.  The earlier handling was correctly
guarded:

  /* If either input range contains only non-negative values
     we can truncate the result range maximum to the respective
     maximum of the input range.  */
  if (int_cst_range0 && tree_int_cst_sgn (vr0.min) >= 0)
    wmax = wi::min (wmax, vr0.max, TYPE_SIGN (expr_type));
  if (int_cst_range1 && tree_int_cst_sgn (vr1.min) >= 0)
    wmax = wi::min (wmax, vr1.max, TYPE_SIGN (expr_type));

so this patch uses the same guards again.

Existing tests showed the need for this once polynomial constants
are added.

2017-09-21  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* tree-vrp.c (extract_range_from_binary_expr_1): Check
int_cst_rangeN before calling value_range_constant_singleton (&vrN).

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253054

7 years agore PR tree-optimization/71351 (ICE: Segmentation fault (graphite))
Richard Biener [Thu, 21 Sep 2017 10:08:21 +0000 (10:08 +0000)]
re PR tree-optimization/71351 (ICE: Segmentation fault (graphite))

2017-09-21  Richard Biener  <rguenther@suse.de>

PR tree-optimization/71351
* graphite-isl-ast-to-gimple.c (translate_isl_ast_to_gimple::
graphite_create_new_loop_guard): Remove, fold remaining parts
into caller ...
(translate_isl_ast_node_for): ... here and simplify.

* gfortran.dg/graphite/pr71351.f90: New testcase.
* gfortran.dg/graphite/interchange-3.f90: Adjust.

From-SVN: r253052

7 years agoFix tests for std::clamp
Jonathan Wakely [Thu, 21 Sep 2017 09:59:55 +0000 (10:59 +0100)]
Fix tests for std::clamp

* testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
expected results when using predicate defining reverse order.
* testsuite/25_algorithms/clamp/constexpr.cc: Likewise.

From-SVN: r253051

7 years agore PR target/82260 ([x86] Unnecessary use of 8-bit registers with -Os. slightly...
Jakub Jelinek [Thu, 21 Sep 2017 07:27:54 +0000 (09:27 +0200)]
re PR target/82260 ([x86] Unnecessary use of 8-bit registers with -Os.  slightly slower and larger code)

PR target/82260
* config/i386/i386.md (*movqi_internal): Replace (=q,q) alternative
with (=Q,Q), (=R,R) and (=r,r) alternatives, only enable the
latter two for 64-bit, renumber alternatives, for -Os imov (=q,n)
alternative always use QI mode, for -Os imov (=R,R) alternative
always use SI mode, for imov (=Q,Q) or (=r,r) alternatives
ignore -Os.

* gcc.target/i386/pr82260-1.c: New test.
* gcc.target/i386/pr82260-2.c: New test.

From-SVN: r253050

7 years agos390.c (MIN_UNROLL_PROBES): Define.
Andreas Krebbel [Thu, 21 Sep 2017 04:30:16 +0000 (04:30 +0000)]
s390.c (MIN_UNROLL_PROBES): Define.

* config/s390/s390.c (MIN_UNROLL_PROBES): Define.
(allocate_stack_space): New function, partially extracted from
s390_emit_prologue.
(s390_emit_prologue): Track offset to most recent stack probe.
Code to allocate space moved into allocate_stack_space.
Dump actions when no stack is allocated.
(s390_prologue_plus_offset): New function.
(s390_emit_stack_probe): Likewise.

* gcc.dg/stack-check-5.c:  Add argument for s390.
* lib/target-supports.exp:
(check_effective_target_supports_stack_clash_protection): Enable for
s390/s390x targets.

Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r253049

7 years ago[C++ PATCH] class member ordering
Nathan Sidwell [Thu, 21 Sep 2017 02:51:40 +0000 (02:51 +0000)]
[C++ PATCH] class member ordering

https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01426.html
* name-lookup.c (member_name_cmp): Use DECL_UID for final
ordering.

From-SVN: r253048

7 years agoenable handling of -gno- command-line options as negated prefixes
Alexandre Oliva [Thu, 21 Sep 2017 02:18:02 +0000 (02:18 +0000)]
enable handling of -gno- command-line options as negated prefixes

This patch that adds -g to the set of negatable prefixes along with -f,
-m and -W.  Besides the mapping from -gno- to negated -g in option_map
and adding g to the [fmW] matches for negatable options, I had to
introduce gno- as an remapping prefix, for the option searching
machinery to backtrack to and recognize as a remapping prefix, instead
of backtracking to -g and stopping at it as if no-* was its Joined
argument.  Adding such remapping prefixes to preempt further
backtracking can be accomplished by introducing the prefix as an
Undocumented option with a Joined argument and without Driver, Target,
Common, or any language-specific option.  Whenever we match such a fake
options prefix, we abandon further backtracking (it matches, after all),
but find_opt returns the same code it would if it hadn't found any
match, so that we resort to option mapping.

I've arranged for such remapping prefixes to not be considered when
looking for and suggesting a correct spelling for misspelled options.
While testing that, I found a few -W-started options that were not
marked as RejectNegative but should (-Wno-a, is not something we'd like
to suggest ;-)  I've also marked as such -g-started options that
it makes no sense to negate, and removed the explicit -gno- ones,
allowing their opposites to be negated.

for  gcc/ChangeLog

* common.opt (Wa, Wl, Wp, g, gz=): Add
RejectNegative.
(gno-column-info): Remove.
(gcolumn-info): Drop RejectNegative.
(gno-): New prefix.
(gno-record-gcc-switches): Remove.
(grecord-gcc-switches): Drop RejectNegative.
(gno-split-dwarf): Remove.
(gsplit-dwarf): Drop RejectNegative.
(gno-strict-dwarf): Remove.
(gstrict-dwarf): Drop RejectNegative.
* config/darwin.opt (gfull, gused): Add RejectNegative.
* dwarf2out.c (gen_producer_string): Drop
gno-record-gcc-switches handler.
* optc-gen.awk: Add g to prefixes with negative forms.
* opts-common.c (remapping_prefix_p): New.
(find_opt): Check it.
(generate_canonical_option): Test g prefix.
(option_map): Add -gno- mapping.
(add_misspelling_candidates): Check remapping_prefix_p.

for  gcc/ada/ChangeLog

* gcc-interface/lang.opt (gant, gnatO, gnat): Add
        RejectNegative.

for  gcc/c-family/ChangeLog

* c.opt (gen-decls): Add RejectNegative.

From-SVN: r253047

7 years agoDaily bump.
GCC Administrator [Thu, 21 Sep 2017 00:16:21 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r253046

7 years agolibgo: fix build when using -enable-static=no
Ian Lance Taylor [Wed, 20 Sep 2017 23:31:00 +0000 (23:31 +0000)]
libgo: fix build when using -enable-static=no

    With -enable-static=no we don't build non-pic objects, but libgotool.a
    is built from non-pic objects.  Build the packages that go into
    libgotool.a in static mode in all cases.

    Also ensure that internal test packages are built, since nothing
    explicitly depended on them.

    Reviewed-on: https://go-review.googlesource.com/65050

From-SVN: r253042

7 years agoFix C++ testsuite fallout from r252976.
Martin Sebor [Wed, 20 Sep 2017 22:46:49 +0000 (22:46 +0000)]
Fix C++ testsuite fallout from r252976.

gcc/testsuite/ChangeLog:

PR c/81854
* g++.dg/ext/attr-ifunc-2.C: Correct type errors.
* g++.dg/ext/attr-ifunc-4.C: Ditto.
* lib/target-supports.exp: Adjust for C++.

From-SVN: r253041

7 years agoFix testsuite fallout from r252976.
Martin Sebor [Wed, 20 Sep 2017 22:19:53 +0000 (22:19 +0000)]
Fix testsuite fallout from r252976.

gcc/testsuite/ChangeLog:

PR c/81854
* gcc.dg/attr-ifunc-1.c: Correct type errors.
* gcc.dg/attr-ifunc-2.c: Ditto.
* gcc.dg/attr-ifunc-3.c: Ditto.
* gcc.dg/attr-ifunc-4.c: Ditto.
* gcc.dg/attr-ifunc-5.c: Ditto.
* gcc.dg/pr81854.c: Require ifunc support.
* gcc/testsuite/lib/target-supports.exp: Correct type error.

From-SVN: r253037

7 years agopowerpcspe.c (rs6000_expand_prologue): Fix thinko in stack clash protection support.
Jeff Law [Wed, 20 Sep 2017 22:06:11 +0000 (16:06 -0600)]
powerpcspe.c (rs6000_expand_prologue): Fix thinko in stack clash protection support.

* config/powerpcspe/powerpcspe.c (rs6000_expand_prologue): Fix
thinko in stack clash protection support.

From-SVN: r253036

7 years agoPR libstdc++/79162 Fix std::string regression due to LWG 2946 (old ABI)
Jonathan Wakely [Wed, 20 Sep 2017 22:03:37 +0000 (23:03 +0100)]
PR libstdc++/79162 Fix std::string regression due to LWG 2946 (old ABI)

PR libstdc++/79162
* include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
(basic_string::_If_sv): Remove from the overload set when the
argument is derived from basic_string.

From-SVN: r253035

7 years agoexplow.c (compute_stack_clash_protection_loop_data): Use CONST_INT_P instead of expli...
Jeff Law [Wed, 20 Sep 2017 21:59:50 +0000 (15:59 -0600)]
explow.c (compute_stack_clash_protection_loop_data): Use CONST_INT_P instead of explicit test.

* explow.c (compute_stack_clash_protection_loop_data): Use
CONST_INT_P instead of explicit test.  Verify object is a
CONST_INT_P before looking at INTVAL.
(anti_adjust_stack_and_probe_stack_clash): Use CONST_INT_P
instead of explicit test.

* gcc.target/i386/stack-check-11.c: Update test and regexp
so that it works for both i?86 and x86_64.

From-SVN: r253034

7 years agors6000: Don't touch below the stack pointer (PR77687)
Segher Boessenkool [Wed, 20 Sep 2017 21:48:31 +0000 (23:48 +0200)]
rs6000: Don't touch below the stack pointer (PR77687)

With the 32-bit SVR4 ABI we don't have a red zone, so we have to restore
the callee-saved registers before we restore the stack pointer.

The previous fix for this PR failed in two ways, for huge frames: first,
we use a negative offset from r11 in that case, so the (mem:BLK 11) access
does no good; second, sched does not handle accesses to mem:BLK correctly
in this case (does not make dependencies).

This patch fixes it by doing a store to (mem:BLK (scratch)) instead.
This means no unrelated (not to stack) loads/stores can be moved over the
stack restore either, but so be it.

PR target/77687
* config/rs6000/rs6000.md (stack_restore_tie): Store to a scratch
address instead of to r1 and r11.

gcc/testsuite/
PR target/77687
* gcc.target/powerpc/pr77687.c: New testcase.

From-SVN: r253033

7 years agore PR sanitizer/77631 (no symbols in backtrace shown by ASan when debug info is split)
Ian Lance Taylor [Wed, 20 Sep 2017 21:09:37 +0000 (21:09 +0000)]
re PR sanitizer/77631 (no symbols in backtrace shown by ASan when debug info is split)

PR sanitizer/77631
Support for external debug info.
* elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
(S_ISLNK): Define if not defined.
(xstrnlen): Define if strnlen is not available.
(b_elf_note): Define type.
(NT_GNU_BUILD_ID): Define macro.
(elf_crc32, elf_crc32_file): New static functions.
(elf_is_symlink, elf_readlink): New static functions.
(elf_open_debugfile_by_buildid): New static function.
(elf_try_debugfile): New static function.
(elf_find_debugfile_by_debuglink): New static function.
(elf_open_debugfile_by_debuglink): New static function.
(elf_add): Add filename and debuginfo parameters.  Adjust all
callers.  Look for external debug info notes, and try to fetch
debug info from external file.
(struct phdr_data): Add exe_filename field.
(phdr_callback): Pass filename to elf_add.
(backtrace_initialize): Add filename parameter.
* internal.h (backtrace_initialize): Add filename parameter.
* fileline.c (fileline_initialize): Pass filename to
backtrace_initialize.
* pecoff.c (fileline_initialize): Add unused filename parameter.
* unknown.c (fileline_initialize): Likewise.
* xcoff.c (fileline_initialize): Likewise.
* configure.ac: Check for objcopy --add-gnu-debuglink.
* Makefile.am (dtest): New test target.
* configure, Makefile.in: Rebuild.

Co-Authored-By: Denis Khalikov <d.khalikov@partner.samsung.com>
From-SVN: r253032

7 years agoP0409R2 - allow lambda capture [=, this]
Jakub Jelinek [Wed, 20 Sep 2017 19:36:47 +0000 (21:36 +0200)]
P0409R2 - allow lambda capture [=, this]

P0409R2 - allow lambda capture [=, this]
* parser.c (cp_parser_lambda_introducer): For cxx2a don't pedwarn on
redundant [=, this].

* g++.dg/cpp1z/lambda-this1.C: Don't expect error for c++2a on [=, this]
capture.  Add further tests.
* g++.dg/cpp0x/lambda/lambda-capture-redundancy.C: Don't expect error
for c++2a on [=, this] capture.

From-SVN: r253030

7 years agocplusplus.C: Test that __cplusplus is equal to 201703L.
Jakub Jelinek [Wed, 20 Sep 2017 19:35:36 +0000 (21:35 +0200)]
cplusplus.C: Test that __cplusplus is equal to 201703L.

* g++.dg/cpp1z/cplusplus.C: Test that __cplusplus is equal to 201703L.
* g++.dg/cpp1z/cplusplus_1z.C: New test.

From-SVN: r253029

7 years agoPR libstdc++/79162 Fix std::string regression due to LWG 2946
Jonathan Wakely [Wed, 20 Sep 2017 17:59:50 +0000 (18:59 +0100)]
PR libstdc++/79162 Fix std::string regression due to LWG 2946

PR libstdc++/79162
* include/bits/basic_string.h (basic_string::_If_sv): Remove from the
overload set when the argument is derived from basic_string.
* testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
test.
* testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
New test.

From-SVN: r253024

7 years agosyscall: enable ParseDirent for AIX
Ian Lance Taylor [Wed, 20 Sep 2017 17:49:11 +0000 (17:49 +0000)]
syscall: enable ParseDirent for AIX

    Reviewed-on: https://go-review.googlesource.com/64990

From-SVN: r253022

7 years agosyscall: workaround for getsockname bug in AIX
Ian Lance Taylor [Wed, 20 Sep 2017 17:40:11 +0000 (17:40 +0000)]
syscall: workaround for getsockname bug in AIX

    Reviewed-on: https://go-review.googlesource.com/64552

From-SVN: r253021

7 years agoFix failing C++17 test
Jonathan Wakely [Wed, 20 Sep 2017 16:34:53 +0000 (17:34 +0100)]
Fix failing C++17 test

* testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
and dg-options directives. Fix invalid test.

From-SVN: r253019

7 years agoPR libstdc++/81469 deprecate std::uncaught_exception for C++17
Jonathan Wakely [Wed, 20 Sep 2017 16:34:49 +0000 (17:34 +0100)]
PR libstdc++/81469 deprecate std::uncaught_exception for C++17

PR libstdc++/81469
* libsupc++/exception (uncaught_exception): Deprecate for C++17.
* testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
* testsuite/18_support/uncaught_exception/14026.cc: Likewise.

From-SVN: r253018

7 years agoDeprecate nested types in std::hash
Jonathan Wakely [Wed, 20 Sep 2017 16:34:42 +0000 (17:34 +0100)]
Deprecate nested types in std::hash

* include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
* include/bits/functional_hash.h (__hash_base::result_type)
(__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
* include/std/optional (hash<optional<T>>::result_type)
(hash<optional<T>>::argument_type): Add deprecated attribute.
(__is_fast_hash<hash<optional<T>>>): Add partial specialization.
* include/std/variant (hash<variant<Types...>>::result_type)
(hash<variant<Types...>>::argument_type): Add deprecated attribute.
(__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.

From-SVN: r253017