re PR middle-end/49463 (LTO doesn't work symbol renamed via asm statement)

PR middle-end/49463
* gcc.c-torture/execute/builtins/strstr-asm-lib.c
(my_strstr): Mark used.

From-SVN: r179280

common.opt: Add -foptimize-strlen option.

* common.opt: Add -foptimize-strlen option.
* Makefile.in (OBJS): Add tree-ssa-strlen.o.
(tree-sssa-strlen.o): Add dependencies.
* opts.c (default_options_table): Enable -foptimize-strlen
by default at -O2 if not -Os.
* passes.c (init_optimization_passes): Add pass_strlen
after pass_object_sizes.
* timevar.def (TV_TREE_STRLEN): New timevar.
* params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
* tree-pass.h (pass_strlen): Declare.
* tree-ssa-strlen.c: New file.
* c-decl.c (merge_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
cp/
* decl.c (duplicate_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
testsuite/
* gcc.dg/strlenopt-1.c: New test.
* gcc.dg/strlenopt-1f.c: New test.
* gcc.dg/strlenopt-2.c: New test.
* gcc.dg/strlenopt-2f.c: New test.
* gcc.dg/strlenopt-3.c: New test.
* gcc.dg/strlenopt-4.c: New test.
* gcc.dg/strlenopt-4g.c: New test.
* gcc.dg/strlenopt-4gf.c: New test.
* gcc.dg/strlenopt-5.c: New test.
* gcc.dg/strlenopt-6.c: New test.
* gcc.dg/strlenopt-7.c: New test.
* gcc.dg/strlenopt-8.c: New test.
* gcc.dg/strlenopt-9.c: New test.
* gcc.dg/strlenopt-10.c: New test.
* gcc.dg/strlenopt-11.c: New test.
* gcc.dg/strlenopt-12.c: New test.
* gcc.dg/strlenopt-12g.c: New test.
* gcc.dg/strlenopt-13.c: New test.
* gcc.dg/strlenopt-14g.c: New test.
* gcc.dg/strlenopt-14gf.c: New test.
* gcc.dg/strlenopt-15.c: New test.
* gcc.dg/strlenopt-16g.c: New test.
* gcc.dg/strlenopt-17g.c: New test.
* gcc.dg/strlenopt-18g.c: New test.
* gcc.dg/strlenopt.h: New file.

From-SVN: r179279

common.opt: Add -foptimize-strlen option.

* common.opt: Add -foptimize-strlen option.
* Makefile.in (OBJS): Add tree-ssa-strlen.o.
(tree-sssa-strlen.o): Add dependencies.
* opts.c (default_options_table): Enable -foptimize-strlen
by default at -O2 if not -Os.
* passes.c (init_optimization_passes): Add pass_strlen
after pass_object_sizes.
* timevar.def (TV_TREE_STRLEN): New timevar.
* params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
* tree-pass.h (pass_strlen): Declare.
* tree-ssa-strlen.c: New file.
* c-decl.c (merge_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
cp/
* decl.c (duplicate_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
testsuite/
* gcc.dg/strlenopt-1.c: New test.
* gcc.dg/strlenopt-1f.c: New test.
* gcc.dg/strlenopt-2.c: New test.
* gcc.dg/strlenopt-2f.c: New test.
* gcc.dg/strlenopt-3.c: New test.
* gcc.dg/strlenopt-4.c: New test.
* gcc.dg/strlenopt-4g.c: New test.
* gcc.dg/strlenopt-4gf.c: New test.
* gcc.dg/strlenopt-5.c: New test.
* gcc.dg/strlenopt-6.c: New test.
* gcc.dg/strlenopt-7.c: New test.
* gcc.dg/strlenopt-8.c: New test.
* gcc.dg/strlenopt-9.c: New test.
* gcc.dg/strlenopt-10.c: New test.
* gcc.dg/strlenopt-11.c: New test.
* gcc.dg/strlenopt-12.c: New test.
* gcc.dg/strlenopt-12g.c: New test.
* gcc.dg/strlenopt-13.c: New test.
* gcc.dg/strlenopt-14g.c: New test.
* gcc.dg/strlenopt-14gf.c: New test.
* gcc.dg/strlenopt-15.c: New test.
* gcc.dg/strlenopt-16g.c: New test.
* gcc.dg/strlenopt-17g.c: New test.
* gcc.dg/strlenopt-18g.c: New test.
* gcc.dg/strlenopt.h: New file.

From-SVN: r179278

common.opt: Add -foptimize-strlen option.

* common.opt: Add -foptimize-strlen option.
* Makefile.in (OBJS): Add tree-ssa-strlen.o.
(tree-sssa-strlen.o): Add dependencies.
* opts.c (default_options_table): Enable -foptimize-strlen
by default at -O2 if not -Os.
* passes.c (init_optimization_passes): Add pass_strlen
after pass_object_sizes.
* timevar.def (TV_TREE_STRLEN): New timevar.
* params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
* tree-pass.h (pass_strlen): Declare.
* tree-ssa-strlen.c: New file.
* c-decl.c (merge_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
cp/
* decl.c (duplicate_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
testsuite/
* gcc.dg/strlenopt-1.c: New test.
* gcc.dg/strlenopt-1f.c: New test.
* gcc.dg/strlenopt-2.c: New test.
* gcc.dg/strlenopt-2f.c: New test.
* gcc.dg/strlenopt-3.c: New test.
* gcc.dg/strlenopt-4.c: New test.
* gcc.dg/strlenopt-4g.c: New test.
* gcc.dg/strlenopt-4gf.c: New test.
* gcc.dg/strlenopt-5.c: New test.
* gcc.dg/strlenopt-6.c: New test.
* gcc.dg/strlenopt-7.c: New test.
* gcc.dg/strlenopt-8.c: New test.
* gcc.dg/strlenopt-9.c: New test.
* gcc.dg/strlenopt-10.c: New test.
* gcc.dg/strlenopt-11.c: New test.
* gcc.dg/strlenopt-12.c: New test.
* gcc.dg/strlenopt-12g.c: New test.
* gcc.dg/strlenopt-13.c: New test.
* gcc.dg/strlenopt-14g.c: New test.
* gcc.dg/strlenopt-14gf.c: New test.
* gcc.dg/strlenopt-15.c: New test.
* gcc.dg/strlenopt-16g.c: New test.
* gcc.dg/strlenopt-17g.c: New test.
* gcc.dg/strlenopt-18g.c: New test.
* gcc.dg/strlenopt.h: New file.

From-SVN: r179277

re PR middle-end/43864 (Same basic blocks should be merged)

2011-09-27  Tom de Vries  <tom@codesourcery.com>

PR middle-end/43864
* gcc.dg/fold-compare-2.c (dg-options): Add -fno-tree-tail-merge.
* gcc/testsuite/gcc.dg/uninit-pred-2_c.c: Same.
* gcc.dg/pr43864.c: New test.
* gcc.dg/pr43864-2.c: Same.
* gcc.dg/pr43864-3.c: Same.
* gcc.dg/pr43864-4.c: Same.

From-SVN: r179276

re PR middle-end/43864 (Same basic blocks should be merged)

2011-09-27  Tom de Vries  <tom@codesourcery.com>

PR middle-end/43864
* tree-ssa-tail-merge.c: New file.
(struct same_succ_def): Define.
(same_succ, const_same_succ): New typedef.
(struct bb_cluster_def): Define.
(bb_cluster, const_bb_cluster): New typedef.
(struct aux_bb_info): Define.
(BB_SIZE, BB_SAME_SUCC, BB_CLUSTER, BB_VOP_AT_EXIT): Define.
(gvn_uses_equal): New function.
(same_succ_print, same_succ_print_traverse, update_dep_bb)
(stmt_update_dep_bb, local_def, same_succ_hash)
(inverse_flags, same_succ_equal, same_succ_alloc, same_succ_delete)
(same_succ_reset): New function.
(same_succ_htab, same_succ_edge_flags)
(deleted_bbs, deleted_bb_preds): New var.
(debug_same_succ): New function.
(worklist): New var.
(print_worklist, add_to_worklist, find_same_succ_bb, find_same_succ)
(init_worklist, delete_worklist, delete_basic_block_same_succ)
(same_succ_flush_bbs, purge_bbs, update_worklist): New function.
(print_cluster, debug_cluster, update_rep_bb)
(add_bb_to_cluster, new_cluster, delete_cluster): New function.
(all_clusters): New var.
(alloc_cluster_vectors, reset_cluster_vectors, delete_cluster_vectors)
(merge_clusters, set_cluster): New function.
(gimple_equal_p, gsi_advance_bw_nondebug_nonlocal, find_duplicate)
(same_phi_alternatives_1, same_phi_alternatives, bb_has_non_vop_phi)
(deps_ok_for_redirect_from_bb_to_bb, deps_ok_for_redirect)
(find_clusters_1, find_clusters): New function.
(update_vuses, vop_phi, vop_at_entry, replace_block_by): New function.
(update_bbs): New var.
(apply_clusters): New function.
(update_debug_stmt, update_debug_stmts): New function.
(tail_merge_optimize): New function.
tree-pass.h (tail_merge_optimize): Declare.
* tree-ssa-pre.c (execute_pre): Use tail_merge_optimize.
* Makefile.in (OBJS-common): Add tree-ssa-tail-merge.o.
(tree-ssa-tail-merge.o): New rule.
* opts.c (default_options_table): Set OPT_ftree_tail_merge by default at
OPT_LEVELS_2_PLUS.
* tree-ssa-sccvn.c (vn_valueize): Move to ...
* tree-ssa-sccvn.h (vn_valueize): Here.
* timevar.def (TV_TREE_TAIL_MERGE): New timevar.
* common.opt (ftree-tail-merge): New switch.
* params.def (PARAM_MAX_TAIL_MERGE_COMPARISONS)
(PARAM_MAX_TAIL_MERGE_ITERATIONS): New parameter.
* doc/invoke.texi (Optimization Options, -O2): Add -ftree-tail-merge.
(-ftree-tail-merge, max-tail-merge-comparisons)
(max-tail-merge-iterations): New item.

From-SVN: r179275

* ipa-inline-analysis.c (MAX_TIME): Reduce to avoid overflows.

From-SVN: r179274

inline-5.c: New testcase.

* gcc.dg/ipa/inline-5.c: New testcase.
* ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle parameters
passed by reference; handle loads from non-SSA scalars and update comments.

From-SVN: r179273

re PR rtl-optimization/50249 (ira marks wrong value for inheriting)

PR rtl-optimization/50249
* reload1.c (reload_reg_reaches_end_p): Accept a reloadnum argument
instead of opnum and type.  All callers changed.  Remove useless
declaration.
Search forward for other reloads of the same type for the same operand
using the same register; if any are found, return false.
(reload_regs_reach_end_p): Same argument changes; all callers changed.

From-SVN: r179272

invoke.texi (ffat-lto-objects): Document.

* doc/invoke.texi (ffat-lto-objects): Document.
* toplev.c (compile_file): Do not output assembly when doing slim lto;
Output __gnu_slim_lto when doing slim lto.
* cgraphunit.c (ipa_passes): Do only analysis when producing slim lto.
(cgraph_optimize): Return early when doing slim lto.
* opts.c (finish_options): Complain about lack of linker plugin
when doing slim lto.
* common.opt (ffat-lto-objects): New.

Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r179271

mksysinfo: Fix for systems that don't define TIOCSCTTY.

From Rainer Orth.

From-SVN: r179269

ipa-inline-analysis.c (predicate_probability): Avoid comparison between signed and unsigned.

gcc/
* ipa-inline-analysis.c (predicate_probability): Avoid comparison
between signed and unsigned.

From-SVN: r179268

tree-vect-stmts.c (vectorizable_type_demotion): Handle basic block vectorization.

        * tree-vect-stmts.c (vectorizable_type_demotion): Handle basic
        block vectorization.
        (vectorizable_type_promotion): Likewise.
        (vect_analyze_stmt): Call vectorizable_type_demotion and
        vectorizable_type_promotion for basic blocks.
        (supportable_widening_operation): Don't assume loop
        vectorization.
        * tree-vect-slp.c (vect_build_slp_tree): Allow multiple types
        for basic blocks.  Update vectorization factor for basic block
        vectorization.
        (vect_analyze_slp_instance): Allow multiple types for basic
        block vectorization.  Recheck unrolling factor after
        construction of SLP instance.

From-SVN: r179267

target-supports.exp (check_profiling_available): Don't rely solely on TLS tests for -fprofile-generate...

* testsuite/lib/target-supports.exp (check_profiling_available):
Don't rely solely on TLS tests for -fprofile-generate, fall
through to the other code.

From-SVN: r179263

a-cbhase.adb, [...]: Add iterator machinery to bounded sets and indefinite sets.

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

* a-cbhase.adb, a-cbhase.ads, a-cborse.adb, a-cborse.ads,
a-cihase.adb, a-cihase.ads, a-ciorse.adb, a-ciorse.ads,
a-coorse.adb, a-coorse.ads: Add iterator machinery to bounded sets and
indefinite sets.
* a-coorma.ads: Minor reformmating.
* einfo.ads: Improve the comment describing the
Directly_Designated_Type function.
* a-ciorma.adb, a-ciorma.ads: Add iterator machinery to indefinite
ordered maps.
* gcc-interface/Makefile.in, gcc-interface/Make-lang.in: Update
dependencies.

From-SVN: r179260

tree-object-size.c (compute_object_sizes): Fix dumping of folded statement.

2011-09-27  Richard Guenther  <rguenther@suse.de>

* tree-object-size.c (compute_object_sizes): Fix dumping of
folded statement.

From-SVN: r179259

[multiple changes]

2011-09-27  Robert Dewar  <dewar@adacore.com>

* a-comutr.ads: Minor reformatting.

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

* a-cimutr.adb, a-cimutr.ads, a-cbmutr.adb, a-cbmutr.ads: Add children
iterators to multiway trees.

2011-09-27  Yannick Moy  <moy@adacore.com>

* debug.adb (d.D): New option for strict Alfa mode.
* opt.ads (Strict_Alfa_Mode): New flag to interpret compiler
permissions as strictly as possible.
* sem_ch3.adb (Signed_Integer_Type_Declaration): In non-strict
Alfa mode, now, interpret ranges of base types like GNAT does; in
strict mode, simply change the range of the implicit base Itype.
* gnat1drv.adb: Update comments. Set Strict_Alfa_Mode.

From-SVN: r179258

[multiple changes]

2011-09-27  Robert Dewar  <dewar@adacore.com>

* exp_ch9.adb: Minor comment fixes.

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

* a-comutr.adb, a-comutr.ads: Add children iterators on multiway
trees.

From-SVN: r179257

[multiple changes]

2011-09-27  Eric Botcazou  <ebotcazou@adacore.com>

* checks.adb (Apply_Scalar_Range_Check): Use Designated_Type
instead of Directly_Designated_Type in the indirect array case.

2011-09-27  Robert Dewar  <dewar@adacore.com>

* exp_util.adb, exp_aggr.adb: Minor reformatting.

From-SVN: r179256

[multiple changes]

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

* sinfo.ads, par-ch3.adb: Minor comment update: aspect specification
on subtype declarations.
* exp_aggr.adb: Minor comment update.

2011-09-27  Eric Botcazou  <ebotcazou@adacore.com>

* exp_util.adb (Safe_Prefixed_Reference): Remove always-false
test in the N_Explicit_Dereference case.  Fold double logical
negation in the special loop case and conditionalize it on
Variable_Ref being true.

2011-09-27  Ed Schonberg  <schonberg@adacore.com>

* sem_ch4.adb (Analyze_Selected_Component): If the prefix is a
single protected object and the selector is a discriminant or an
entry family, this is a non-overloaded candidate interpretation,
and possible primitive operations of the type must not be
examined.

2011-09-27  Arnaud Charlet  <charlet@adacore.com>

* s-taspri-posix-noaltstack.ads (Lock): Mark fields aliased.

From-SVN: r179255

[multiple changes]

2011-09-27  Pascal Obry  <obry@adacore.com>

* s-osinte-hpux.ads, s-osinte-aix.ads, s-osinte-solaris-posix.ads,
s-osinte-irix.ads, s-osinte-darwin.ads, s-osinte-freebsd.ads:
Add dummy definitions for pthread_rwlock_t
and pthread_rwlockattr_t on all POSIX platforms.
* s-taprop-irix.adb, s-taprop-posix.adb (Initialize_Lock): Fix lock
reference.
(Finalize_Lock): Likewise.
(Write_Lock): Likewise.
(Unlock): Likewise.

2011-09-27  Tristan Gingold  <gingold@adacore.com>

* s-tassta.adb (Task_Wrapper): Increase Guard_Page_Size value for
windows 64.

From-SVN: r179254

s-osinte-hpux.ads, [...]: Revert previous changes.

2011-09-27  Pascal Obry  <obry@adacore.com>

* s-osinte-hpux.ads, s-taprop-vxworks.adb, s-taspri-vxworks.ads,
s-taprop-tru64.adb, s-osinte-aix.ads, s-taspri-posix-noaltstack.ads,
s-taspri-mingw.ads, s-taprop-vms.adb, s-tpoben.adb, s-tpoben.ads,
s-taprop-mingw.adb, s-taprob.adb, s-taprob.ads,
s-osinte-solaris-posix.ads, s-taprop-solaris.adb, s-taspri-solaris.ads,
s-osinte-irix.ads, s-taprop-irix.adb, s-osinte-darwin.ads,
s-taspri-dummy.ads, s-taspri-posix.ads, s-taprop.ads,
s-taspri-vms.ads, s-osinte-freebsd.ads, s-taprop-hpux-dce.adb,
s-taspri-hpux-dce.ads, s-taspri-tru64.ads, s-taprop-dummy.adb,
s-taprop-posix.adb: Revert previous changes.
(Lock): Now a record containing the two possible lock
(mutex and read/write) defined in OS_Interface.
* s-taprop-linux.adb (Finalize_Protection): Use r/w lock for
'R' locking policy.
(Initialize_Protection): Likewise.
(Lock): Likewise.
(Lock_Read_Only): Likewise.
(Unlock): Likewise.

From-SVN: r179253

[multiple changes]

2011-09-27  Pascal Obry  <obry@adacore.com>

* s-taspri-posix-noaltstack.ads (RW_Lock): This type is now defined as
OS_Interface.pthread_rwlock_t.

2011-09-27  Robert Dewar  <dewar@adacore.com>

* exp_ch9.adb, a-cimutr.adb, a-cimutr.ads, gnat1drv.adb, a-comutr.adb,
a-comutr.ads, exp_dist.adb, a-cbmutr.adb, a-cbmutr.ads,
sem_ch5.adb, sem_util.adb: Minor reformatting.

From-SVN: r179252

s-taprop.ads (Initialize_Lock): New spec for r/w lock.

2011-09-27  Pascal Obry  <obry@adacore.com>

* s-taprop.ads (Initialize_Lock)[RW_Lock]: New spec for r/w lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).
* s-taprop-linux.adb (Initialize_Lock)[RW_Lock]: New
routine for r/w lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).

* s-taprop-vxworks.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
s-taprop-mingw.adb, s-taprop-solaris.adb, s-taprop-irix.adb,
s-taprop-hpux-dce.adb, s-taprop-dummy.adb, s-taprop-posix.adb
(Initialize_Lock)[RW_Lock]: Same implementation as corresponding
routine for standard lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).
* s-taprob.ads, s-tpoben.ads (Protection): Add RWL (RW_Lock)
in the record definition.
* s-taprob.adb, s-taproben.adb (Finalize_Protection): Use r/w
lock for 'R' locking policy.
(Initialize_Protection): Likewise.
(Lock): Likewise.
(Lock_Read_Only): Likewise.
(Unlock): Likewise.
* s-taspri-posix.ads (RW_Lock): New type defined as
OS_Interface.pthread_rwlock_t.

* s-taspri-vxworks.ads, s-taspri-posix-noaltstack.ads,
s-taspri-mingw.ads, s-taspri-solaris.ads, s-taspri-dummy.ads,
s-taspri-posix.ads, s-taspri-vms.ads, s-taspri-hpux-dce.ads,
s-taspri-tru64.ads (RW_Lock): New type defined as alias to Lock.

From-SVN: r179251

exp_ch9.adb, [...]: Minor reformatting.

2011-09-27  Pascal Obry  <obry@adacore.com>

* exp_ch9.adb, s-taspri-posix.ads: Minor reformatting.

2011-09-27  Pascal Obry  <obry@adacore.com>

* s-osinte-aix.ads, s-osinte-darwin.ads, s-osinte-freebsd.ads,
s-osinte-hpux.ads, s-osinte-irix.ads,
s-osinte-solaris-posix.ads (pthread_rwlock_t): New definition alias of
pthread_mutex_t.
(pthread_rwlockattr_t): New definition alias of pthread_mutexattr_t.
* s-osinte-linux.ads (pthread_rwlock_t, pthread_rwlockattr_t,
pthread_rwlockattr_init, pthread_rwlockattr_destroy,
pthread_rwlockattr_setkind_np, pthread_rwlock_init,
pthread_rwlock_destroy, pthread_rwlock_rdlock,
pthread_rwlock_wrlock, pthread_rwlock_unlock): New.

From-SVN: r179250

rtsfind.ads: Add RE_Lock_Read_Only into rtsfind circuitry.

2011-09-27  Pascal Obry  <obry@adacore.com>

* rtsfind.ads: Add RE_Lock_Read_Only into rtsfind circuitry.
(RE_Id): Add RE_Lock_Read_Only.
(RE_Unit_Table): Likewise.
* sem_prag.adb (Process_Convention): Change Pragma_Locking_Policy
to lift restriction on first character. Handle now the
Name_Concurrent_Readers_Locking where policy character is set to
'R'.
* snames.ads-tmpl (Name_Concurrent_Readers_Locking): New
constant.
* exp_ch9.adb (Build_Protected_Subprogram_Body): Generate a
read only lock for function in protected object.
* s-taprob.ads (Lock_Read_Only): Remove obsolete comment as
this routine is now used.

From-SVN: r179248

re PR tree-optimization/50363 (internal compiler error: verify_gimple failed)

2011-09-27  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50363
* tree-ssa-pre.c (create_expression_by_pieces): Handle
pointer conversions in POINTER_PLUS_EXPRs properly.

* gcc.dg/torture/pr50363.c: New testcase.

From-SVN: r179247

gcc/
* config/arm/neon.md (neon_vget_highv16qi, neon_vget_highv8hi)
(neon_vget_highv4si, neon_vget_highv4sf, neon_vget_highv2di)
(neon_vget_lowv16qi, neon_vget_lowv8hi, neon_vget_lowv4si)
(neon_vget_lowv4sf, neon_vget_lowv2di): Turn into define_expands
that produce subreg moves.  Define using VQX iterators.

From-SVN: r179243

avr.md (ashrqi3): Split alternative "n" into its remaining parts C03...

* config/avr/avr.md (ashrqi3): Split alternative "n"
into its remaining parts C03, C04, C05, C06, C07 and describe
impact in CC by attribute "cc" appropriately.
* config/avr/avr.c (notice_update_cc): Clean-up: Don't patch CC0
by digging RTX.

From-SVN: r179241

rtl.h (const_tiny_rtx): Change into array of 4 x MAX_MACHINE_MODE from 3 x MAX_MACHINE_MODE.

* rtl.h (const_tiny_rtx): Change into array of 4 x MAX_MACHINE_MODE
from 3 x MAX_MACHINE_MODE.
(CONSTM1_RTX): Define.
* emit-rtl.c (const_tiny_rtx): Change into array of 4 x MAX_MACHINE_MODE
        from 3 x MAX_MACHINE_MODE.
(gen_rtx_CONST_VECTOR): Use CONSTM1_RTX if all inner constants are
CONSTM1_RTX.
(init_emit_once): Initialize CONSTM1_RTX for MODE_INT and
MODE_VECTOR_INT modes.
* simplify-rtx.c (simplify_binary_operation_1) <case IOR, XOR, AND>:
Optimize if one operand is CONSTM1_RTX.
* config/i386/i386.c (ix86_expand_sse_movcc): Optimize mask ? -1 : x
into mask | x.

From-SVN: r179238

tinfo.cc (type_info::operator==): Test __name instead of name().

2011-09-27  Marcus Shawcroft  <marcus.shawcroft@arm.com>

* libsupc++/tinfo.cc (type_info::operator==): Test __name instead
of name().

From-SVN: r179236

Add explicit VIS intrinsics for addition and subtraction.

gcc/

* config/sparc/sparc.c (sparc_vis_init_builtins): Add explicit
builtins for VIS vector addition and subtraction.
* config/sparc/visintrin.h (__vis_fpadd16, __vis_fpadd16s,
__vis_fpadd32, __vis_fpadd32s, __vis_fpsub16, __vis_fpsub16s,
__vis_fpsub32, __vis_fpsub32s): New.
* doc/extend.texi: Document new VIS intrinsics.

gcc/testsuite/

* gcc.target/sparc/fpaddsubi.c: New test.

From-SVN: r179235

re PR libstdc++/50529 ([C++0x] std::vector::erase invokes undefined behavior with empty range)

2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/50529
* include/bits/vector.tcc (vector<>::erase(iterator, iterator)):
Fix to do nothing if the range is empty.
* include/bits/stl_bvector.h: Likewise.
* include/bits/deque.tcc: Likewise.
* include/debug/vector: Adjust.
* include/debug/deque: Likewise.
* testsuite/23_containers/vector/modifiers/erase/50529.cc: New.
* testsuite/23_containers/deque/modifiers/erase/50529.cc: Likewise.
* testsuite/23_containers/deque/modifiers/erase/3.cc: Adjust.

From-SVN: r179234

fix ChangeLog

From-SVN: r179233

re PR c++/45012 (Invalid ambiguity on partial class specialization matching)

PR c++/45102
* pt.c (tsubst_copy_and_build) [CONST_DECL]: Don't pull out
constant value if we're still in a template.

From-SVN: r179230

re PR c++/46105 (Ordering failure among partial specializations with non-deduced context)

PR c++/46105
* typeck.c (structural_comptypes): Ignore cv-quals on typename scope.

From-SVN: r179229

re PR c++/50508 ([C++0x] ICE cxx_eval_logical_expression cp/semantics.c:6487)

PR c++/50508
* semantics.c (cxx_eval_logical_expression): Use tree_int_cst_equal
rather than ==.

From-SVN: r179228

Improve code generation for edge and pixel-compare...

Improve code generation for edge and pixel-compare, specifically avoid
sign and zero extensions on 64-bit and allow such instructions to be
placed in delay slots.

gcc/

* config/sparc/sparc.md (edge{8,16,32}{,l}): Return Pmode.
(fcmp{le,ne,gt,eq}{16,32}): Likewise.
* config/sparc/visintrin.h: Update edge and pixel-compare
intrinsics to return 'long' instead of 'int'.
* doc/extend.texi: Update documentation to match.
* config/sparc/sparc.c (eligible_for_return_delay): When leaf or
flat, allow any instruction.  Otherwise, when V9 allow parallels
which consist only of sets to registers outside of %o0 to %o5.
(sparc_vis_init_builtins): Update VIS builtin types for edge
and pixel-compare.

gcc/testsuite/

* gcc.target/sparc/edge.c: Update for new return types.
* gcc.target/sparc/fcmp.c: Likewise.

From-SVN: r179227

re PR c++/45487 (Request to change comma to semicolon in error message)

/cp
2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/45487
* error.c (dump_template_bindings): Separate bindings with semicolons
instead of commas.

/testsuite
2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/45487
* g++.dg/diagnostic/bindings1.C: New.
* g++.old-deja/g++.pt/memtemp77.C: Adjust.

From-SVN: r179226

Daily bump.

From-SVN: r179225

re PR libstdc++/48698 (gnu-versioned-namespace problems)

2011-09-26  Benjamin Kosnik  <bkoz@redhat.com
            Jonathan Wakely  <jwakely.gcc@gmail.com>

PR libstdc++/48698
* acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Set libtool_VERSION here.
* configure.ac: Move AC_SUBST of libtool_VERSION past call to
GLIBCXX_ENABLE_SYMVERS.
* configure: Regenerate.
* include/bits/c++config: Use __7 as versioned namespace name.
* config/abi/pre/gnu-versioned-namespace.ver: Change mangling as
per above.
* include/c_global/cwchar: Adjust nested namespaces.
* testsuite/20_util/bind/48698.cc: Add test case.
* testsuite/ext/profile/mutex_extensions_neg.cc: Change line number.

From-SVN: r179221

re PR lto/47247 (Linker plugin specification makes it difficult to handle COMDATs)

PR lto/47247
* plugin-api.h (enum ld_plugin_symbol_resolution): Add
LDPR_PREVAILING_DEF_IRONLY_EXP.
(enum ld_plugin_tag): Add LDPT_GET_SYMBOLS_V2.

From-SVN: r179220

Pass $(MATH_LIBS) $(NET_LIBS) when linking tests.

From-SVN: r179219

Fix sysinfo.go on systems which don't need to import "unsafe".

From-SVN: r179216

Add rdgsr, edge, and pixel-compare VIS tests.

gcc/testsuite/

* gcc.target/sparc/rdgsr.c: New test.
* gcc.target/sparc/edge.c: New test.
* gcc.target/sparc/fcmp.c: New test.

From-SVN: r179215

Fix sparc %gsr write elimination and add a testcase.

gcc/

* config/sparc/sparc.c (sparc_conditional_register_usage): When VIS
is enabled, mark %gsr as global.
* config/sparc/sparc.md (UNSPEC_WRGSR): Delete.
(wrgsr_vis, *wrgsr_sp64, wrgsr_v8plus): Don't wrap in an unspec.

gcc/testsuite/

* gcc.target/sparc/wrgsr.c: New test.

From-SVN: r179214

re PR fortran/50515 (gfortran should not accept an external that is a common (r178939))

2011-09-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50515
* resolve.c (resolve_common_blocks): Check for EXTERNAL attribute.

PR fortran/50517
* interface.c (gfc_compare_interfaces): Bugfix in check for result type.

2011-09-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50515
* gfortran.dg/common_15.f90: New.

PR fortran/50517
* gfortran.dg/dummy_procedure_5.f90: New.
* gfortran.dg/interface_26.f90: Modified error message.
* gfortran.dg/proc_ptr_11.f90: Ditto.
* gfortran.dg/proc_ptr_15.f90: Ditto.
* gfortran.dg/proc_ptr_comp_20.f90: Ditto.
* gfortran.dg/proc_ptr_result_5.f90: Ditto.

From-SVN: r179213

Fix location of error about unused import "unsafe".

From-SVN: r179211

Move target CPP macro handling to C file and add __VIS/__VIS__.

* config/sparc/sparc-c.c: New file implementing sparc_target_macros,
which will now define __VIS and __VIS__ when -mvis is enabled.
* config/sparc/t-sparc: Likewise.
* config.gcc: Add sparc-c.o to c_target_objs and cxx_target_objs,
and add t-sparc to tmake_file for all sparc targets.
* config/sparc/sparc-protos.h (sparc_target_macros): Declare.
* config/sparc/sparc.h (TARGE_CPU_CPP_BUILTINS): Call it.

From-SVN: r179210

re PR c++/50512 (surprising change in overloading resolution)

PR c++/50512
* call.c (compare_ics): Only consider rvaluedness_matches_p
if the target type is the same or it too differs in rvalueness.

From-SVN: r179208

avr.md (peephole casesi+2): Use -1 instead of 65536.

* config/avr/avr.md (peephole casesi+2): Use -1 instead of 65536.
* config/avr/avr.c (avr_out_compare): Print shorter sequence for
EQ/NE comparisons against +/-1 in the case of unused-after,
non-ld-regs target.

From-SVN: r179206

gimple-fold.c (gimplify_and_update_call_from_tree): Set gctx.into_ssa after push_gimplify_context.

* gimple-fold.c (gimplify_and_update_call_from_tree): Set
gctx.into_ssa after push_gimplify_context.

* gimple.c (gimple_build_call_valist): New function.
* gimple.h (gimple_build_call_valist): New prototype.
* tree-ssa-propagate.c (finish_update_gimple_call): New function.
(update_gimple_call): Likewise.
(update_call_from_tree): Use finish_update_gimple_call.
* tree-ssa-propagate.h (update_gimple_call): New prototype.

From-SVN: r179204

re PR c++/50523 (C++ FE apparently incorrectly rejects tramp3d)

PR c++/50523
* call.c (implicit_conversion): Mask out inappropriate LOOKUP
flags at the top of the function.

From-SVN: r179203

* pt.c (tsubst_copy) [PARM_DECL]: Handle 'this' in NSDMI.

From-SVN: r179201

pt.c (convert_nontype_argument): Handle NULLPTR_TYPE.

/cp
2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

* pt.c (convert_nontype_argument): Handle NULLPTR_TYPE.

/testsuite
2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/cpp0x/nullptr25.C: New.

From-SVN: r179199

re PR c++/26747 (bad break/continue is not detected until the gimplifier)

2011-09-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/26747
* cp-gimplify.c (get_bc_label): Remove obsolete diagnostics.

From-SVN: r179198

re PR tree-optimization/50472 (Volatile qualification in data is not enough to avoid optimization over pointer to data)

2011-09-26  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50472
* gimple-fold.c (fold_const_aggregate_ref_1): Do not fold
volatile references.

* gcc.dg/torture/pr50472.c: New testcase.

From-SVN: r179196

tm.texi: Correct documentation for TARGET_ADDR_SPACE_SUBSET_P.

2011-09-26  Bingfeng Mei <bmei@broadcom.com>
* doc/tm.texi: Correct documentation for TARGET_ADDR_SPACE_SUBSET_P.
* target.def: (addr_space_subset_p): Likewise.

From-SVN: r179195

opt22.adb: New test.

2011-09-26  Eric Botcazou  <ebotcazou@adacore.com>

* gnat.dg/opt22.adb: New test.
* gnat.dg/opt22_pkg.ad[sb]: New helper.

From-SVN: r179194

tree-ssa-alias.h (pt_solution_singleton_p): Declare.

2011-09-26  Tom de Vries  <tom@codesourcery.com>

* tree-ssa-alias.h (pt_solution_singleton_p): Declare.
* tree-ssa-structalias.c (pt_solution_singleton_p): New function.
* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Set points-to solution
of new var.

From-SVN: r179193

2011-09-26  Tristan Gingold  <gingold@adacore.com>

* inclhack.def (ms_define_can_use_extern_prefix):
(vms_use_pragma_extern_model, vms_disable_decc_string_builtins):
New fixes.
* fixincl.x: Regenerate.
* tests/base/rtldef/string.h: New test.
* tests/base/rtldef/decc$types.h: Likewise.
* tests/base/testing.h: Update

From-SVN: r179192

re PR target/50465 ([avr] Use insn attribute to depict if and how instruction lengths have to be adjusted)

PR target/50465
* config/avr/avr-protos.h (output_reload_insisf): Don't pass insn.
* config/avr/avr.md (*reload_insi, *reload_insf): Change call to
output_reload_insisf.
(adjust_len): Set default to "no".
Remove alternative "yes".  Add alternatives: "mov8", "mov16",
"mov32", "ashlqi", "ashrqi", "lshrqi", "ashlhi", "ashrhi",
"lshrhi", "ashlsi, "ashrsi", "lshrsi".
(*movqi, *movhi, *movsi, *ashlqi3, ashlhi3, ashlsi3,
*ashlhi3_const, *ashlsi3_const, ashrqi3, ashrhi3, ashrsi3,
*ashrhi3_const, *ashrsi3_const, *lshrqi3, lshrhi3, *lshrhi3_const,
*lshrsi3_const): Set attribute "adjust_len".
* config/avr/avr.c (output_reload_insisf): Remove parameter "insn".
(output_movsisf): Don't pass insn to output_reload_insisf.
(adjust_insn_length): Handle new alternatives to adjust_len.
Remove handling of ADJUST_LEN_YES.  Clean-up code.

From-SVN: r179191

Fix oversight

From-SVN: r179190

Restore Ada bootstrap on Solaris 8, 9/x86

From-SVN: r179189

ifcvt.c (noce_try_cmove_arith): Use may_trap_or_fault_p in lieu of may_trap_p to detect loads that may trap of...

* ifcvt.c (noce_try_cmove_arith): Use may_trap_or_fault_p in lieu of
may_trap_p to detect loads that may trap of fault.

From-SVN: r179188

utils2.c (build_allocator): Set TREE_THIS_NOTRAP on the dereference of the pointer to the storage area.

* gcc-interface/utils2.c (build_allocator): Set TREE_THIS_NOTRAP on the
dereference of the pointer to the storage area.  Remove useless type
conversions and factor out common code.

From-SVN: r179187

utils.c (maybe_unconstrained_array): Declare TYPE local variable and use it throughout.

* gcc-interface/utils.c (maybe_unconstrained_array): Declare TYPE local
variable and use it throughout.
<UNCONSTRAINED_ARRAY_TYPE>: Add 'break' at the end.
<RECORD_TYPE>: Do not unconditionally convert to the unpadded type as a
first step.  Also convert to the unpadded type as a last step.

From-SVN: r179186

gigi.h (create_subprog_decl): Replace TREE_CHAIN with DECL_CHAIN in comment.

* gcc-interface/gigi.h (create_subprog_decl): Replace TREE_CHAIN with
DECL_CHAIN in comment.
* gcc-interface/trans.c (gigi): Likewise.
(Attribute_to_gnu): Likewise.
(build_function_stub): Likewise.
(gnat_to_gnu): Likewise.
* gcc-interface/utils.c (create_subprog_decl): Likewise.
(convert_vms_descriptor64): Likewise.
(convert_vms_descriptor32): Likewise.

From-SVN: r179185

trans.c (assoc_to_constructor): Minor tweaks.

* gcc-interface/trans.c (assoc_to_constructor): Minor tweaks.
* gcc-interface/utils2.c (build_simple_component_ref): Fix formatting
issues.  Use COMPLETE_TYPE_P in assertion.  Also set TREE_READONLY if
the type of the record is TYPE_READONLY.

From-SVN: r179184

sem_ch6.adb (Set_Formal_Mode): Set Can_Never_Be_Null on an IN or IN OUT formal parameter which is of an...

* sem_ch6.adb (Set_Formal_Mode): Set Can_Never_Be_Null on an IN or IN
OUT formal parameter which is of an null-exclusion access subtype.

Co-Authored-By: Robert Dewar <dewar@adacore.com>
From-SVN: r179183

ada-tree.h (DECL_CAN_NEVER_BE_NULL_P): New macro.

* gcc-interface/ada-tree.h (DECL_CAN_NEVER_BE_NULL_P): New macro.
* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Set the flag.
(gnat_to_gnu_param): Likewise.
* gcc-interface/utils.c (convert) <UNCONSTRAINED_ARRAY_REF>: Invoke
maybe_unconstrained_array instead of doing the work manually.
(maybe_unconstrained_array): Propagate the TREE_THIS_NOTRAP flag.
* gcc-interface/utils2.c (build_unary_op) <INDIRECT_REF>: If operand
is a DECL with the flag, set TREE_THIS_NOTRAP on the reference.
(gnat_stabilize_reference_1): Propagate the TREE_THIS_NOTRAP flag.
(gnat_stabilize_reference): Likewise.

From-SVN: r179182

avr-protos.h (output_reload_inhi): Change prototype.

* config/avr/avr-protos.h (output_reload_inhi): Change prototype.
* config/avr/avr.md (adjust_len): Add "reload_in16" alternative.
(*reload_inhi): Use it.  Adapt call to output_reload_inhi to new
prototype.
(*movhi): Split constraint alternative "r,rL" into "r,r" and "r,L".
* config/avr/avr.c: Rename output_reload_insisf_1 to
output_reload_in_const.
(avr_popcount_each_byte): Handle SFmode, too.
(output_reload_in_const): Change so it can handle HI loads, too.
Use avr_popcount_each_byte to work out if scratch register must be
created on the fly.
(output_reload_inhi): Rewrite using output_reload_in_const and...
(output_movhi): ...use it to print constants' loads.
(adjust_insn_length): New case ADJUST_LEN_RELOAD_IN16. Cleanup code.

From-SVN: r179181

ada-tree.h (TYPE_NULL_BOUNDS): New macro.

* gcc-interface/ada-tree.h (TYPE_NULL_BOUNDS): New macro.
(SET_TYPE_NULL_BOUNDS): Likewise.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Set again
TREE_THIS_NOTRAP on the INDIRECT_REF node built for the template.
* gcc-interface/trans.c (Identifier_to_gnu): Return initializers of fat
pointer types.
* gcc-interface/utils.c (create_var_decl_1): If the object is external,
check that the initializer is a valid constant expression for use in
initializing a static variable.  Add missing guard.
(update_pointer_to): Adjust TYPE_NULL_BOUNDS if set.
(convert_to_fat_pointer): In the null fat pointer case, build a valid
pointer for the bounds.
* gcc-interface/utils2.c (compare_fat_pointers): New function.
(build_binary_op) <EQ_EXPR>: Call it to compare fat pointers.

From-SVN: r179180

parser.c (inject_this_parameter): Split out from cp_parser_late_return_type_opt.

* parser.c (inject_this_parameter): Split out from
cp_parser_late_return_type_opt.
(cp_parser_class_specifier_1): Use it for NSDMIs.
* tree.c (bot_replace): Replace NSDMI 'this' with real 'this'.

From-SVN: r179179

Daily bump.

From-SVN: r179178

Add support for floating-point fused multiply-add on Sparc.

* configure.ac: Add feature check to make sure the assembler
supports the FMAF, HPC, and VIS 3.0 instructions found on
Niagara-3 and later cpus.
* configure: Rebuild.
* config.in: Likewise.
* config/sparc/sparc.opt: New option '-mfmaf'.
* config/sparc/sparc.md: Add float fused multiply-add patterns.
* config/sparc/sparc.h (AS_NIAGARA3_FLAG): New macro.
(ASM_CPU64_DEFAULT_SPEC, ASM_CPU_SPEC): Use it, as needed.
* config/sparc/sol2.h (ASM_CPU32_DEFAULT_SPEC,
ASM_CPU64_DEFAULT_SPEC, ASM_CPU_SPEC): Likewise.
* config/sparc/sparc.c (sparc_option_override): Turn MASK_FMAF on
by default for Niagara-3 and later.  Turn it off if TARGET_FPU is
disabled.
(sparc_rtx_costs): Handle 'FMA'.
* doc/invoke.texi: Document -mfmaf.

From-SVN: r179174

Generate 'fone' and 'fones' sparc instructions when possible.

* config/sparc/constraints.md (C, P, Z): New constraints for
const_doube, const_int, and const_vector "all ones" values.
Make unused constraint letters comment match reality.
* config/sparc/predicates.md (const_all_ones_operand,
register_or_zero_or_all_ones_operand): New predicates.
* config/sparc/sparc.c (sparc_expand_move): Allow all ones
as well as zero constants when VIS.
(sparc_legitimate_constant_p): Likewise.
* config/sparc/sparc.md (movsi_insn): Add fones alternative.
(movsf_insn): Likewise
(movdi_insn_sp64): Add fone alternative.
(movdf_insn_sp32_v9): Likewise.
(movdf_insn_sp64): Likewise.

From-SVN: r179173

revert: testsuite_error.h: Add empty default constructor to __gnu_test::test_category and...

2011-09-25  Paolo Carlini  <paolo.carlini@oracle.com>

Revert (no longer necessary post r179130):

2010-04-27  Fabien Chêne  <fabien.chene@gmail.com>

* testsuite/util/testsuite_error.h: Add empty default constructor
to __gnu_test::test_category and
__gnu_test::test_derived_category.
* src/future.cc: Add empty default constructor to
future_error_category.
* src/system_error.cc: Add default ctor to generic_error_category
and system_error_category.

From-SVN: r179172

ada-tree.h (TREE_THIS_NOTRAP): Redefine.

* gcc-interface/ada-tree.h (TREE_THIS_NOTRAP): Redefine.
* gcc-interface/trans.c (Identifier_to_gnu): Factor out common code in
the by-ref case.  Do not set TREE_READONLY on a renamed object.  Set
TREE_THIS_NOTRAP on UNCONSTRAINED_ARRAY_REF nodes.
(Attribute_to_gnu) <Attr_Length>: Expand the use of the parameter cache
to the indirect case.
* gcc-interface/utils.c (convert) <UNCONSTRAINED_ARRAY_REF>: Preserve
the TREE_THIS_NOTRAP flag.

From-SVN: r179171

trans.c (Loop_Statement_to_gnu): In the case of an iteration scheme...

* gcc-interface/trans.c (Loop_Statement_to_gnu): In the case of an
iteration scheme, always generate the do-while form if optimization
is enabled.  Use more straightforward test at the end.

From-SVN: r179169

decl.c (gnat_to_gnu_entity): Use XNEW instead of xmalloc.

* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Subtype>: Use
XNEW instead of xmalloc.  Do not build useless pointer type.
<E_Anonymous_Access_Subprogram_Type>: Use XNEW instead of xmalloc.
* gcc-interface/trans.c (gnat_to_gnu) <N_Raise_Constraint_Error>: Tidy.
* gcc-interface/utils2.c (build_unary_op): Remove local variable.

From-SVN: r179168

decl.c (gnat_to_gnu_entity): Do not promote the alignment if this doesn't prevent BLKmode access to the object.

* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Do not promote
the alignment if this doesn't prevent BLKmode access to the object.

From-SVN: r179167

tree-ssa-structalias.c (intra_create_variable_infos): Treat TYPE_RESTRICT REFERENCE_TYPE parameters like restricted DECL_BY_REFERENCE...

* tree-ssa-structalias.c (intra_create_variable_infos): Treat
TYPE_RESTRICT REFERENCE_TYPE parameters like restricted
DECL_BY_REFERENCE parameters.

* g++.dg/tree-ssa/restrict2.C: New test.

From-SVN: r179166

tree-eh.c (cleanup_empty_eh): Allow a call to __builtin_stack_restore if there is no outgoing edge.

* tree-eh.c (cleanup_empty_eh): Allow a call to __builtin_stack_restore
if there is no outgoing edge.

* tree-scalar-evolution.c (simple_iv): Accept all kinds of pointer and
integral types.

From-SVN: r179165

tree-vect-slp.c (vect_slp_analyze_bb_1): Split out core part of vect_analyze_bb here.

        * tree-vect-slp.c (vect_slp_analyze_bb_1): Split out core part
        of vect_analyze_bb here.
        (vect_analyze_bb): Loop over vector sizes calling
        vect_analyze_bb_1.

From-SVN: r179164

re PR c++/50280 (Incorrect type deduced for T& when passed a const bitfield)

2011-09-25  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/50280
* g++.dg/template/bitfield1.C: New.

From-SVN: r179163

tree-data-ref.c (dr_analyze_innermost): Add new argument.

        * tree-data-ref.c (dr_analyze_innermost): Add new argument.
        Allow not simple iv if analyzing basic block.
        (create_data_ref): Update call to dr_analyze_innermost.
        (stmt_with_adjacent_zero_store_dr_p, ref_base_address):
        Likewise.
        * tree-loop-distribution.c (generate_memset_zero): Likewise.
        * tree-predcom.c (find_looparound_phi): Likewise.
        * tree-data-ref.h (dr_analyze_innermost): Add new argument.

From-SVN: r179161

Teach sparc backend about %gsr register and add intrinsics to access it.

* config/sparc/sparc.h (FIRST_PSEUDO_REGISTER): Bump to 103.
(SPARC_GSR_REG): Define.
(FIXED_REGISTERS): Mark GSR as fixed.
(CALL_USED_REGISTERS): Mark GSR as call used.
(HARD_REGNO_NREGS): GSR is always 1 register.
(REG_CLASS_CONTENTS): Add GSR to ALL_REGS.
(REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER): Add GSR to the end.
(REGISTER_NAMES): Add "%gsr".
* config/sparc/sparc.md (UNSPEC_ALIGNADDR, UNSPEC_ALIGNADDRL):
Delete.
(UNSPEC_WRGSR): New unspec.
(GSR_REG): New constant.
(type): Add new insn type 'gsr'.
(fpack16_vis, fpackfix_vis, fpack32_vis,
faligndata<V64I:MODE>_vis)): Add use of GSR_REG.
(wrgsr_vis, *wrgsr_sp64, wrgsr_v8plus, rdgsr_vis, *rdgsr_sp64,
rdgsr_v8plus): New expanders and insns.
(alignaddr<P:mode>_vis, alignaddrl<P:mode>_vis): Reimplement
using patterns which show that this is a plus in addition to a
modification of GSR_REG, instead of an unspec.
* config/sparc/ultra1_2.md: Handle 'gsr'.
* config/sparc/ultra3.md: Likewise.
* config/sparc/niagara.md: Likewise.
* config/sparc/niagara2.md: Likewise.
* config/sparc/sparc.c (leaf_reg_remap, sparc_leaf_regs): Fill out
end of table.
(sparc_option_override): Make -mvis imply -mv8plus.
(hard_32bit_mode_classes, hard_64bit_mode_classes): Add entries
for %gsr.
(sparc_vis_init_builtins): Build __builtin_vis_write_gsr and
__builtin_vis_read_gsr.
(sparc_expand_buildin): Handle builtins that take one argument and
return void.
(sparc_fold_builtin): Never fold writes to %gsr.
* config/sparc/visintrin.h (__vis_write_gsr, __vis_read_gsr): New.
* doc/extend.texi: Document new VIS intrinsics.

From-SVN: r179159

except.c (expr_noexcept_p): Split out from finish_noexcept_expr.

* except.c (expr_noexcept_p): Split out from finish_noexcept_expr.
* cp-tree.h: Declare it.
* method.c (walk_field_subobs): Use it.

From-SVN: r179158

init.c (perform_member_init): Instantiate NSDMI here.

* init.c (perform_member_init): Instantiate NSDMI here.
* pt.c (tsubst_decl) [FIELD_DECL]: Not here.

From-SVN: r179157

Handle deferred parsing of NSDMIs.

* parser.h (cp_unparsed_functions_entry): Add nsdmis field.
* parser.c (unparsed_nsdmis, cp_parser_save_nsdmi): New.
(cp_parser_late_parse_one_default_arg): Split out from
cp_parser_late_parsing_default_args.
(cp_parser_late_parsing_nsdmi): New.
(push_unparsed_function_queues): Set it.
(cp_parser_parameter_declaration): Save the '=' token.
(cp_parser_template_parameter): Likewise.
(cp_parser_default_argument): Call cp_parser_initializer
rather than cp_parser_initializer_clause.
(cp_parser_class_specifier_1): Parse unparsed_nsdmis.
(cp_parser_member_declaration): Handle nsdmis.
* decl2.c (grokfield): Handle DEFAULT_ARG for a function.

From-SVN: r179156

Implement C++11 non-static data member initializers.

* cp-tree.h (enum cpp_warn_str): Add CPP0X_NSDMI.
* error.c (maybe_warn_cpp0x): Handle it.
* call.c (convert_like_real) [ck_user]: Don't complain about
using an explicit constructor for direct-initialization.
* class.c (check_field_decl): Fix ancient typo.
(check_field_decls): NSDMIs make the default ctor non-trivial.
* decl.c (cp_finish_decl): Record NSDMI.
(grokdeclarator): Allow NSDMI.
* decl2.c (grokfield): Allow NSDMI.  Correct LOOKUP flags.
* init.c (perform_member_init): Use NSDMI.
* method.c (walk_field_subobs): Check for NSDMI.
* parser.c (cp_parser_member_declaration): Parse { } init.
* semantics.c (register_constexpr_fundef): Don't talk about
a return statement in a constexpr constructor.
(cxx_eval_call_expression): Check DECL_INITIAL instead of
DECL_SAVED_TREE.

From-SVN: r179155

Daily bump.

From-SVN: r179154

re PR libstdc++/50510 ([C++0x] transposed variable names in std::seed_seq::generate)

2011-09-24  John Salmon  <john.salmon@deshaw.com>

PR libstdc++/50510
* include/bits/random.tcc (seed_seq::generate): Fix computation.

From-SVN: r179149

ada, remove flat_namespace library option from darwin port build/defaults :

* gcc-interface/Makefile.in (darwin): Do not issue the
'-flat_namespace' linker flag during Ada build.
* mlib-tgt-specific-darwin.adb: Remove '-flat_namespace' flag from the
default shared library options.

From-SVN: r179148

trivial libiberty/ChangeLog update

From-SVN: r179147

correct ChangeLog

From-SVN: r179146

re PR libstdc++/50509 ([C++0x] incorrect code in std::seed_seq::generate)

2011-09-24  John Salmon  <john.salmon@deshaw.com>

PR libstdc++/50509
* include/bits/random.tcc (seed_seq::generate): Fix computation.

From-SVN: r179144

re PR c++/44267 (SFINAE does not handle down static_cast over virtual inheritance)

/cp
2011-09-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/44267
* class.c (build_base_path): Add a tsubst_flags_t parameter.
(convert_to_base): Adjust call.
* typeck.c (build_class_member_access_expr,
get_member_function_from_ptrfunc, build_static_cast_1): Likewise.
* init.c (dfs_initialize_vtbl_ptrs, emit_mem_initializers): Likewise.
* method.c (do_build_copy_constructor, do_build_copy_assign): Likewise.
* rtti.c (build_dynamic_cast_1): Likewise.
* typeck2.c (build_scoped_ref, build_m_component_ref): Likewise.
* call.c (build_over_call, build_special_member_call): Likewise.
* cvt.c (cp_convert_to_pointer, convert_to_pointer_force,
build_up_reference): Likewise.
* cp-tree.h (build_base_path): Adjust declaration.

/testsuite
2011-09-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/44267
* g++.dg/template/sfinae28.C: New.

From-SVN: r179141

Daily bump.

From-SVN: r179138