PR 51390

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181930 138bc75d-0d04-0410-961f-82ee72b054a4

Revert:

2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

PR rtl-opt/37451
* loop-doloop.c (doloop_modify): New argument zero_extend_p and
zero extend count after the correction to it is done.
(doloop_optimize): Update call to doloop_modify, don't zero extend
count before call.

2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

PR rtl-opt/37782
* loop-doloop.c (doloop_modify): Add from_mode argument that says what
mode count is in.
(doloop_optimize): Update call to doloop_modify.

testsuite:
* gcc.c-torture/execute/doloop-1.c,
gcc.c-torture/execute/doloop-2.c: New tests.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181929 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Eric Botcazou  <ebotcazou@adacore.com>
    Thomas Quinot <quinot@adacore.com>

* gcc-interface/Makefile.in (INCLUDES): Remove $(srcdir)/config.
(INCLUDES_FOR_SUBDIR): Add $(fsrcdir) except for VxWorks.
Add thread.c to LIBGNAT_SRCS so that a symlink is created in ada/rts,
which allows the file to be installed in adainclude.
* gcc-interface/Make-lang.in: Update dependencies.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181928 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Richard Guenther  <rguenther@suse.de>

PR lto/47259
* ipa.c (varpool_externally_visible_p): Register variables
are always externally visible.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181927 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Javier Miranda  <miranda@adacore.com>

* sem_ch3.adb (Constrain_Access): Undo previous
patch for this routine. Required since the RM rule 3.7.1(7/3)
applies to all access types.

2011-12-02  Bob Duff  <duff@adacore.com>

* sem_ch6.adb: Minor comment fix.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181926 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Joel Sherrill <joel.sherrill@oarcorp.com>

* s-tpopsp-rtems.adb: Use ATCB_Key rather than RTEMS_Ada_Self variable
for consistency with other ports.
* s-osinte-rtems.adb: Add body for dummy implementation of
pthread_rwlockattr_setkind_np().
* s-osinte-rtems.ads: Add missing clock and rwlock bindings.
* terminals.c: Add __rtems__ conditionals to account for differences
in termios implementation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181924 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Robert Dewar  <dewar@adacore.com>

* sem_ch3.adb, sem_attr.adb, a-comutr.adb, a-cbmutr.adb,
a-cbmutr.ads: Minor reformatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181922 138bc75d-0d04-0410-961f-82ee72b054a4

* gimple-pretty-print.c (dump_gimple_call): Dereference fn only if
  non-NULL.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181920 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Hristian Kirtchev  <kirtchev@adacore.com>

* exp_dbug.adb: Comment reformatting.
(Get_External_Name): Use Reset_Buffers to reset the contents of
Name_Buffer and Homonym_Numbers.
(Qualify_All_Entity_Names): Reset the contents of Name_Buffer and
Homonym_Numbers before creating a new qualified name for a particular
entity.
(Reset_Buffers): New routine.

2011-12-02  Matthew Heaney  <heaney@adacore.com>

* a-cbmutr.ads (No_Node): Moved declaration from body to spec
* a-comutr.adb, a-cimutr.adb, a-cbmutr.adb (Iterator): Derives
from Root_Iterator.
(Child_Iterator): Derives from Root_Iterator.
(Finalize): Implemented as an override operation for Root_Iterator.
(First): Return value depends on Subtree component.
(Last): Component was renamed from Parent to Subtree.
(Next): Checks parameter value, and uses simplified loop.
(Iterate): Forwards to Iterate_Subtree.
(Iterate_Children): Component was renamed from Parent to Subtree.
(Iterate_Subtree): Checks parameter value

2011-12-02  Robert Dewar  <dewar@adacore.com>

* usage.adb: Add lines for -gnatw.n and -gnatw.N
(atomic sync info msgs).

2011-12-02  Steve Baird  <baird@adacore.com>

* sem_ch3.adb (Check_Completion): An Ada 2012
generic formal type doesn't require a completion.

2011-12-02  Eric Botcazou  <ebotcazou@adacore.com>

* sem_util.adb (Set_Debug_Info_Needed): Also set the flag on the
packed array type if it is to be set on the array type used to
represent it.

2011-12-02  Robert Dewar  <dewar@adacore.com>

* gnat_rm.texi: Eliminate confusing use of type name.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181919 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Thomas Quinot  <quinot@adacore.com>

* sem_ch10.adb (Analyze_Compilation_Unit): For a library subprogram
body that acts as spec, do not create a shallow copy of the context
clause for the synthetized spec (instead, use the same list as
in the body).

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181918 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Bob Duff  <duff@adacore.com>

* gnat_ugn.texi: Clarify usage of -p binder switch.

2011-12-02  Javier Miranda  <miranda@adacore.com>

* sem_util.ads, sem_util.adb, sem_aux.ads, sem_aux.adb
(Effectively_Has_Constrained_Partial_View): Moved to sem_aux
(In_Generic_Body): Moved to sem_aux.
(Unit_Declaration_Node): Moved to sem_aux.
* einfo.ads (Effectively_Has_Constrained_Partial_View): Complete
documentation.
* exp_attr.adb, live.adb, sem_ch10.adb, checks.adb, sem.adb,
rtsfind.adb, sem_attr.adb, sem_elab.adb, exp_ch4.adb, sem_ch4.adb,
exp_ch13.adb: Add with-clause on Sem_Aux.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181917 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Yannick Moy  <moy@adacore.com>

* sem_util.adb (Unique_Name): Reach through Unique_Entity to
get the name of the entity.
(Unique_Entity): Correct case for subprogram stubs.

2011-12-02  Yannick Moy  <moy@adacore.com>

* sem_ch3.adb (Check_Initialization): Do not emit warning on
initialization of limited type object in Alfa mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181916 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Robert Dewar  <dewar@adacore.com>

* sinfo.ads: Minor reformatting.
* gnat_ugn.texi: Fix confusion in use of term "type name".

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181915 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Robert Dewar  <dewar@adacore.com>

* sem_ch6.adb: Minor change in error message.

2011-12-02  Robert Dewar  <dewar@adacore.com>

* sem_ch9.adb, prj-part.adb, vms_data.ads, sem_ch8.adb: Minor
reformatting.

2011-12-02  Javier Miranda  <miranda@adacore.com>

* sem_ch3.adb (Constrain_Access): Enable on Ada 2005 mode the
static check of the rule of general access types whose designated
type has discriminants.
* sem_util.ads, sem_util.adb
(Effectively_Has_Constrained_Partial_View): New subprogram.
(In_Generic_Body): New subprogram.
* einfo.ads (Has_Constrained_Partial_View): Adding documentation.
* sem_prag.adb (Inside_Generic_Body): Removed. Replaced by new
subprogram In_Generic_Body.
* exp_attr.adb, checks.adb, sem_attr.adb, exp_ch4.adb,
sem_ch4.adb: In addition, this patch replaces the occurrences of
Has_Constrained_Partial_View by
Effectively_Has_Constrained_Partial_View.

2011-12-02  Matthew Heaney  <heaney@adacore.com>

* a-comutr.adb, a-cimutr.adb, a-cbmutr.adb (Iterator): Rename
Position component.
(Finalize): Remove unnecessary access check.
(First): Forward to First_Child.
(Last): Forward to Last_Child.
(Iterate): Check preconditions for parent node parameter.
(Next): Forward to Next_Sibling.
(Previous): Forward to Previous_Sibling.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181914 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Robert Dewar  <dewar@adacore.com>

* a-coinve.adb, a-coorma.adb, freeze.adb, a-coorse.adb, a-comutr.adb,
a-coormu.adb, a-convec.adb: Minor reformatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181913 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Matthew Heaney  <heaney@adacore.com>

* a-coormu.ads, a-ciormu.ads: Declare iterator factory function.
* a-ciormu.adb, a-ciormu.adb (Iterator): Declare concrete
Iterator type.
(Finalize): Decrement busy counter.
(First, Last): Cursor return value depends on iterator node value.
(Iterate): Use start position as iterator node value.
(Next, Previous): Forward to corresponding cursor-based operation.

2011-12-02  Robert Dewar  <dewar@adacore.com>

* a-cborma.adb, a-cbhama.adb, a-cbdlli.adb, a-cbmutr.adb,
a-cbhase.adb, a-cdlili.adb, a-cihama.adb, a-ciorse.adb, a-cidlli.adb,
a-cimutr.adb, a-cihase.adb, a-cohama.adb, a-cborse.adb,
a-ciorma.adb, a-cobove.adb: Minor reformatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181912 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-02  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/50622
* tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
if both lacc and racc are grp_partial_lhs.

* testsuite/g++.dg/tree-ssa/pr50622.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181908 138bc75d-0d04-0410-961f-82ee72b054a4

* config/linux/affinity.c: Use atomic rather than sync builtin.
* config/linux/lock.c: Likewise.
* config/linux/ptrlock.h: Likewise.
* config/linux/ptrlock.c: Likewise.
* config/linux/ptrlock.h (gomp_ptrlock_set): Always write here..
* config/linux/ptrlock.c (gomp_ptrlock_set_slow): ..not here.
* config/linux/futex.h (atomic_write_barrier): Delete unused function.
* config/linux/alpha/futex.h (atomic_write_barrier): Likewise.
* config/linux/ia64/futex.h (atomic_write_barrier): Likewise.
* config/linux/mips/futex.h (atomic_write_barrier): Likewise.
* config/linux/powerpc/futex.h (atomic_write_barrier): Likewise.
* config/linux/s390/futex.h (atomic_write_barrier): Likewise.
* config/linux/sparc/futex.h (atomic_write_barrier): Likewise.
* config/linux/x86/futex.h (atomic_write_barrier): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181906 138bc75d-0d04-0410-961f-82ee72b054a4

* call.c (build_new_method_call_1): Handle aggregate initialization.
* tree.c (stabilize_init): Handle CONSTRUCTOR.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181902 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181901 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: Remove temporary runtime_cond_wait function.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181897 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/50814.
* config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
TARGET_SH3.
(shl_sext_kind): Likewise.
* config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
* config/sh/sh.md (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a):
Remove.
(ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
(ashlsi3): Likewise.
(ashrsi3_d): Likewise.
(lshrsi3_d): Likewise.
(lshrsi3): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181896 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2011-12-01  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51326
* call.c (build_user_type_conversion_1): Early return NULL if
expr is NULL_TREE.

/testsuite
2011-12-01  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51326
* g++.dg/inherit/crash3.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181895 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/51346
* ipa-inline.c (can_inline_edge_p): If the edge E has a
statement, use the statement's inline indicator instead
of E's.
Remove consistency check.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181894 138bc75d-0d04-0410-961f-82ee72b054a4

Revert

2011-11-29   Diego Novillo  <dnovillo@google.com>

* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
Update field call_stmt_cannot_inline_p from call
graph edge, if needed.
* gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181893 138bc75d-0d04-0410-961f-82ee72b054a4

PR gcov-profile/51113
* coverage.c (build_var): Keep coverage variables static.

testsuite/
* lib/gcov.exp (verify-lines): Add support for xfailing.
(run-gcov): Likewise.
* gcc.misc-tests/gcov-13.c: Xfail weak function.
* gcc.misc-tests/gcov-16.c: Remove.
* gcc.misc-tests/gcov-17.c: Remove.
* g++.dg/gcov-8.C: Remove.
* g++.dg/gcov-9.C: Remove.
* g++.dg/gcovpart-12b.C: New.
* g++.dg/gcov-12.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181892 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/51356
* tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
vectype doesn't have VECTOR_MODE_P.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181891 138bc75d-0d04-0410-961f-82ee72b054a4

PR debug/50317
* tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
as unnecessary a store to a variable with gimple reg type.
* tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
on local unreferenced variables.
* cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
for !target_for_debug_bind variables.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181890 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: add error to list of built-in types.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181889 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/51273
        * cgraph.h (cgraph_call_node_duplication_hooks): Declare.
        * cgraph.c (cgraph_call_node_duplication_hooks): Make global.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Call it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181887 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-01  Andrew Pinski  <apinski@cavium.com>

PR lto/51198
* tree.c (free_lang_data_in_decl): Clear FIELD_DECL's
DECL_INITIAL also.

2011-12-01  Andrew Pinski  <apinski@cavium.com>

PR lto/51198
* g++.dg/torture/pr51198.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181886 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: Rename sigignore to sig_ignore for Solaris.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181885 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/51246
* tree-predcom.c (replace_ref_with): Handle also clobber on the
rhs.

* gcc.c-torture/compile/pr51246.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181884 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-optimization/51014
* loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
both from bb and orig_bb.

* g++.dg/opt/pr51014.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181883 138bc75d-0d04-0410-961f-82ee72b054a4

* lto-lang.c (lto_attribute_table): Handle *tm regparm.
(ignore_attribute): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181882 138bc75d-0d04-0410-961f-82ee72b054a4

Make a few helper functions static.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

* module.c (dt_lower_string): Make static.
(dt_upper_string): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181881 138bc75d-0d04-0410-961f-82ee72b054a4

    PR tree-optimization/50802
        * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
        considering what happens to ranges during sign changes and/or
        intermediate narrowing conversions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181880 138bc75d-0d04-0410-961f-82ee72b054a4

PR 25708 Avoid seeking when parsing strings and when peeking.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

PR fortran/25708
* module.c (parse_string): Read string into resizable array
instead of parsing twice and seeking.
(peek_atom): New implementation avoiding seeks.
(require_atom): Save and set column and line explicitly for error
handling.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181879 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/51201
* gcc-interface/Make-lang.in: Initialize RTS_DIR with = instead of :=.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181877 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2011-12-01  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51367
* pt.c (unify_inconsistency): Use either %qT or %qE depending on
whether parm is a type or non-type parameter.

/cp
2011-12-01  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51367
* g++.dg/template/error47.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181876 138bc75d-0d04-0410-961f-82ee72b054a4

Don't call stat before opening a file.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

* misc.c (gfc_open_file): Don't call stat.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181875 138bc75d-0d04-0410-961f-82ee72b054a4

compiler/runtime: Copy channel implementation from master library.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181874 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/51009
* name-lookup.c (push_to_top_level): Set stmts_are_full_exprs_p.
* decl.c (build_aggr_init_full_exprs): Just assert that it's true.
(check_initializer): Here too.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181872 138bc75d-0d04-0410-961f-82ee72b054a4

PR other/51272
* config/pa/stublib.c (_ITM_registerTMCloneTable): New stub.
(_ITM_deregisterTMCloneTable): Likewise.
(__register_frame_info): Fix unused warning.
(__deregister_frame_info, __cxa_finalize, _Jv_RegisterClasses,
pthread_default_stacksize_np): Likewise.
* config/pa/t-stublib (LIBGCCSTUB_OBJS): Add new objects and rules.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181870 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-30  Benjamin Kosnik  <bkoz@redhat.com>

        * acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Remove
        size-specific macros. _GLIBCXX_ATOMIC_BUILTINS_1,
        _GLIBCXX_ATOMIC_BUILTINS_2, _GLIBCXX_ATOMIC_BUILTINS_4,
        _GLIBCXX_ATOMIC_BUILTINS_8. Use _GLIBCXX_ATOMIC_BUILTINS to
        indicate use of C++11 atomic builtins.
        * config.h.in: Regenerate.
        * configure: Regenerate.
        * include/Makefile.am (bits_sup_headers): Add atomic_lockfree_defines.h.
        * include/Makefile.in: Regenerate.
        * libsupc++/Makefile.am: Compile C++11 support with -std=gnu++0x.
        * libsupc++/Makefile.in: Regenerate.

        * include/bits/atomic_base.h: Move lock-free property macros...
        * libsupc++/atomic_lockfree_defines.h: ...here.
        * include/std/future: Use C++11 macros.
        * libsupc++/eh_ptr.cc: Same.
        * libsupc++/eh_throw.cc: Same.
        * libsupc++/exception: Same.
        * libsupc++/exception_ptr.h: Same.
        * libsupc++/guard.cc: Same.
        * libsupc++/nested_exception.cc: Same.
        * libsupc++/nested_exception.h: Same.
        * src/future.cc: Same.

        * include/ext/atomicity.h: Use _GLIBCXX_ATOMIC_BUILTINS.

        * doc/doxygen/user.cfg.in
        * doc/xml/manual/concurrency_extensions.xml

        * testsuite/18_support/exception_ptr/lifespan.cc
        * testsuite/lib/libstdc++.exp

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181869 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/50283
* config/pa/pa.md (in_branch_delay): Disallow frame related insns.
(in_nullified_branch_delay): Likewise.
(in_call_delay): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181868 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181867 138bc75d-0d04-0410-961f-82ee72b054a4

Swap the action and jmpbuf arguments to GTM_longjmp

On several ABIs, the first register parameter is the same as
the return value register.  Moving the action parameter first
avoids the need for register shuffling on these targets.

        * libitm_i.h (GTM_longjmp): Swap first and second arguments.
        * beginend.c (_ITM_abortTransaction): Update to match.
        (GTM::gtm_thread::restart): Likewise.
        * config/alpha/sjlj.S (GTM_longjmp): Likewise.
        * config/x86/sjlj.S (GTM_longjmp): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181863 138bc75d-0d04-0410-961f-82ee72b054a4

    * predict.c (expr_expected_value_1): Assume compare-and-swap builtin
        boolean return is true.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181862 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-optimization/51044
* dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
rather than just insn body.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181861 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/50725
* function.c (thread_prologue_and_epilogue_insns): If
stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
regset.

* gcc.target/i386/pr50725.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181860 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/51089
* tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
avoid creating duplicate edges here.
(cleanup_empty_eh_unsplit): And remove it in the caller.

* gfortran.dg/gomp/pr51089.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181859 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-30  Andrew Pinski  <apinski@cavium.com>

PR c/51321
* c-parser.c (c_parser_postfix_expression): Check groktypename results
before looking at the main variant.

2011-11-30  Andrew Pinski  <apinski@cavium.com>

* gcc.dg/pr51321.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181857 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-optimization/48721
* sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
reg_pending_barrier to TRUE_BARRIER.

* gcc.target/i386/pr48721.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181856 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-optimization/48721
* sched-ebb.c (begin_move_insn): Insert empty unreachable
block after BARRIER if insn is followed by it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181855 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2011-11-30  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51299
* rtti.c (ifnonnull): Use nullptr_node.
(build_dynamic_cast_1): Call cp_truthvalue_conversion instead
of c_common_truthvalue_conversion.

/testsuite
2011-11-30  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51299
* g++.dg/warn/Wzero-as-null-pointer-constant-4.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181854 138bc75d-0d04-0410-961f-82ee72b054a4

sparc: Add -mmemory-model command-line option.

* config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
* config/sparc/sparc.opt (mmemory-model=): New option.
* doc/invoke.texi (Sparc Options): Document it.
* config/sparc/sparc.c (sparc_option_override): Provide default
for sparc_memory_model.
(sparc_emit_membar_for_model): Omit barrier combinations that are
implied by the memory model.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181853 138bc75d-0d04-0410-961f-82ee72b054a4

sparc: Convert to atomic_exchange.

        * config/sparc/sync.md (I124MODE): New mode iterator.
        (memory_barrier): Remove.
        (atomic_exchangesi): New.
        (swapsi): Rename from *swapsi.
        (atomic_test_and_set<I124MODE>): New.
        (ldstubqi): Rename from *ldstubqi, merge with expander.
        (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
        (sync_lock_test_and_setsi): Remove.
        (sync_lock_test_and_set<I12MODE>): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181852 138bc75d-0d04-0410-961f-82ee72b054a4

sparc: Convert to atomic_compare_and_swap.

        * config/sparc/constraints.md ("w"): New.
        * config/sparc/predicates.md (mem_noofs_operand): New.
        * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
        Generate the boolean result of the atomic_compare_exchange.
        (sparc_expand_compare_and_swap): New.
        * config/sparc/sync.md (atomic_compare_and_swap<I>): New.
        (atomic_compare_and_swap<I48MODE>_1): Rename from
        *sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
        (*atomic_compare_and_swapdi_v8plus): Rename from
        *sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
        (sync_compare_and_swap<I12MODE>): Remove.
        (sync_compare_and_swap<I48MODE>): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181851 138bc75d-0d04-0410-961f-82ee72b054a4

sparc: Convert to atomic_load/store.

        * config/sparc/predicates.md (register_or_v9_zero_operand): New.
        * config/sparc/sparc.md (UNSPEC_ATOMIC): New.
        * config/sparc/sync.md (atomic_load<I>): New.
        (atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181849 138bc75d-0d04-0410-961f-82ee72b054a4

sparc: Convert to mem_thread_fence.

        * config/sparc/predicates.md (zero_or_v7_operand): New.
        * config/sparc/sparc.c (sparc_emit_membar_for_model): New.
        * config/sparc/sparc-protos.h: Update.
        * config/sparc/sync.md (mem_thread_fence): New.
        (memory_barrier): Use sparc_emit_membar_for_model.
        (membar, *membar_empty, *membar_storestore, *membar_storeload): New.
        (*membar_v8): Accept and ignore the membar mask.
        (*membar): Accept and print the membar mask.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181848 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc/config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
* gcc/config/arm/arm.md (mul64): New attribute.
(generic_sched): Cortex-A15 is not scheduled generically.
(cortex-a15.md): Include.
* gcc/config/arm/cortex-a15.md: New machine description.
* gcc/config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181843 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc/config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181842 138bc75d-0d04-0410-961f-82ee72b054a4

shift flag_next/gnu_runtime to modern opts system.

gcc:

* doc/tm.texi.in (NEXT_OBJC_RUNTIME): Update macro description.
* doc/tm.texi: Regenerate.
* flags.h (flag_next_runtime): Remove references.
* toplev.c: Likewise.
* defaults.h (NEXT_OBJC_RUNTIME): Provide default.
* gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
* config/darwin.c (darwin_override_options): Provide default
Objective-C abi settings and target conflict checks.
* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
code. Adjust indenting.

gcc/c-family:

* c.opt (fgnu-runtime): Provide full description.
(fnext-runtime): Likewise.
* c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181837 138bc75d-0d04-0410-961f-82ee72b054a4

* MAINTAINERS (write-after-approval): Add self.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181836 138bc75d-0d04-0410-961f-82ee72b054a4

PR libgomp/51298
* config/linux/bar.h: Use atomic rather than sync builtins.
* config/linux/bar.c: Likewise.  Add missing acquire
synchronisation on generation field.
* task.c (gomp_barrier_handle_tasks): Regain lock so as to not
double unlock.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181833 138bc75d-0d04-0410-961f-82ee72b054a4

* ordered.c (gomp_ordered_sync): Add MEMMODEL_ACQ_REL fence.
* critical.c (GOMP_critical_start): Add MEMMODEL_RELEASE fence.
* config/linux/mutex.h: Use atomic rather than sync builtins.
* config/linux/mutex.c: Likewise.  Comment.  Use -1 for waiting state.
* config/linux/omp-lock.h: Comment fix.
* config/linux/arm/mutex.h: Delete.
* config/linux/powerpc/mutex.h: Delete.
* config/linux/ia64/mutex.h: Delete.
* config/linux/mips/mutex.h: Delete.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181832 138bc75d-0d04-0410-961f-82ee72b054a4

PR libgomp/51249
* config/linux/sem.h: Rewrite.
* config/linux/sem.c: Rewrite.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181831 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: Copy runtime_panicstring from master library.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181830 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181829 138bc75d-0d04-0410-961f-82ee72b054a4

* config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
(REG_CLASS_CONTENTS): Add NON_SP_REGS.
(REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
* config/sh/constraints.md (u): New constraint.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181825 138bc75d-0d04-0410-961f-82ee72b054a4

libgo: update to weekly.2011-10-25

Changes were mainly straightforward to merge.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181824 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/51337
* config/sh/sh.c (sh_secondary_reload): Add case when FPUL
register is being loaded from a pseudo in memory.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181823 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: If no sem_timedwait, use pthread_cond_timedwait.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181821 138bc75d-0d04-0410-961f-82ee72b054a4

.
* configure.ac (rl78-*-*) New case.
* configure: Regenerate.
* MAINTAINERS: Add myself as RL78 maintainer.

libgcc
* config.host (rl78-*-elf): New case.
* config/rl78: New directory for the Renesas RL78.

gcc
* config.gcc (rl78-*-elf): New case.
* doc/extend.texi: Add RL78 documentation.
* doc/invoke.texi: Likewise.
* doc/md.texi: Likewise.
* doc/contrib.texi: Add RL78.
* doc/install.texi: Add rl78-*-elf.
* config/rl78: New directory for the Renesas RL78.

contrib
* config-list.mk (LIST): Add rl78-elf.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181819 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/51247
* tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
types instead of adding 1 subtract -1 and instead of subtracting 1
add -1 to avoid overflows.

* gcc.c-torture/compile/pr51247.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181818 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Andreas Tobler  <andreast@fgznet.ch>

* config.rpath (ld_shlibs): Fix detection of FreeBSD-10 and up.
(libname_spec): Likewise.
* configure: Regenerate with autoconf -I ../../.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181816 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Andrew MacLeod  <amacleod@redhat.com>

PR target/50123
* optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
instructions for a FECTH_OP or OP_FECTH sequence.
(expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
* testsuite/gcc.dg/atomic-op-optimize.c: New.  Test for optimizations.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181815 138bc75d-0d04-0410-961f-82ee72b054a4

runtime: If O_CLOEXEC is not defined, define it as 0.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181814 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Define and use backend-independent Location class.

From Sanjoy Das.

* go-location.h: New file.
* go-linemap.cc: New file.
* go-gcc.cc: Change all uses of source_location to Location.
* Make-lang.in (GO_OBJS): Add go/go-linemap.o.
(GO_LINEMAP_H): New variable.
(GO_LEX_H): Use $(GO_LINEMAP_H).
(GO_GOGO_H, GO_TYPES_H, GO_IMPORT_H): Likewise.
(go/go-linemap.o): New target.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181813 138bc75d-0d04-0410-961f-82ee72b054a4

* config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
(movdi_via_fpu): Remove.
(loaddi_via_fpu): New insn pattern.
(storedi_via_fpu): Ditto.
(atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
(atomic_storedi_fpu): Ditto.
* reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
(subst_stack_regs_pat): Handle UNSPEC_STA.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181812 138bc75d-0d04-0410-961f-82ee72b054a4

* config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
allocate scratch memory for alternative 0.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181811 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/40958
* module.c (prev_module_line):  New variable.
(prev_module_column):  New variable.
(prev_character):  New variable.
(module_char):  Update the new variables.
(module_unget_char):  New function.
(parse_string):  Use module_unget_char.
(parse_integer):  Likewise.
(parse_name):  Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181810 138bc75d-0d04-0410-961f-82ee72b054a4

Enable target specific builtins and macros when using the target attribute or pragma on rs6000

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181809 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Dodji Seketeli  <dodji@redhat.com>

        * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
        (maybe_unwind_expanded_macro_loc): Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181808 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-21  David Edelsohn  <dje.gcc@gmail.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
        if DECL_ONE_ONLY.
        (ipa_tm_create_version): Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181807 138bc75d-0d04-0410-961f-82ee72b054a4

* haifa-sched.c (recompute_todo_spec): Simplify and correct the
code checking for a clobber of a condition register when deciding
whether to predicate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181806 138bc75d-0d04-0410-961f-82ee72b054a4

* config.host (tic6x-*-uclinux): Append to extra_parts.  Fix
formatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181805 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Yufeng Zhang  <yufeng.zhang@arm.com>

Use complex floating-point constant in CDBL.

* gcc.dg/compat/compat-common.h (CDBL): Replace 1i with 1.0i.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181804 138bc75d-0d04-0410-961f-82ee72b054a4

* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
  Update field call_stmt_cannot_inline_p from call graph edge, if
  needed.
  * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181803 138bc75d-0d04-0410-961f-82ee72b054a4

* config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
  (movdf_soft_insn): Likewise.

* config/arm/fpa.md (thumb2_movdf_fpa): Likewise.

* config/arm/neon.md (neon_mov<mode>): Likewise.

* config/arm/vfp.md (movdi_vfp): Likewise.
  (movdi_vfp_cortexa8): Likewise.
  (movdf_vfp): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181802 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * check.c (gfc_check_move_alloc): Make sure that from/to
        are both polymorphic or neither.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Cleanup,
        generate inline code.

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * gfortran.dg/move_alloc_5.f90: Add dg-error.
        * gfortran.dg/select_type_23.f03: Add dg-error.
        * gfortran.dg/move_alloc_6.f90: New.
        * gfortran.dg/move_alloc_7.f90: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181801 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/50074
* expr.c (expand_expr_addr_expr_1): Don't call force_operand for
EXPAND_SUM modifier.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181800 138bc75d-0d04-0410-961f-82ee72b054a4

2011-11-29  François Dumont <fdumont@gcc.gnu.org>

* include/bits/hashtable.h (_Hashtable<>::_M_rehash): Remove code
useless now that the hashtable implementation put the hash code in
cache if the hash functor throws.
* testsuite/23_containers/unordered_set/erase/1.cc: Enhance test by
checking also distance between begin and end iterators to validate
underlying data model.
* testsuite/23_containers/unordered_multiset/erase/1.cc: Likewise.
* testsuire/23_containers/unordered_map/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multimap/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multiset/erase/2.cc: New.
* testsuite/23_containers/unordered_multimap/erase/2.cc: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181799 138bc75d-0d04-0410-961f-82ee72b054a4

Implement predefined error interface.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181798 138bc75d-0d04-0410-961f-82ee72b054a4

    PR tree-optimization/51301
        * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
        that the last statement doesn't convert to a bigger type than the
        original type of the computation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181797 138bc75d-0d04-0410-961f-82ee72b054a4

rs6000: Streamline boolval output for compare-and-swap.

        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Handle overlap between retval and oldval.  Always compute boolval
        from CR0 EQ value.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181796 138bc75d-0d04-0410-961f-82ee72b054a4

    * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
        new pseudo for target after convert_modes.
        (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181795 138bc75d-0d04-0410-961f-82ee72b054a4

    * libgomp.h (enum memmodel): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181794 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181793 138bc75d-0d04-0410-961f-82ee72b054a4