2010-09-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45704
	* gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.

	* gcc.dg/torture/pr45704.c: New testcase.

From-SVN: r164439

	PR tree-optimize/45605
	* cgraph.h (const_value_known_p): Declare.
	(varpool_decide_const_value_known): Remove.
	* tree-ssa-ccp.c (get_base_constructor): Use it.
	* lto-cgraph.c (compute_ltrans_boundary): Likewise.
	* expr.c (string_constant): Likewise.
	* tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
	* ipa.c (ipa_discover_readonly_nonaddressable_var,
	function_and_variable_visibility): Likewise.
	* gimplify.c (gimplify_call_expr): Likewise.
	* gimple-fold.c (get_symbol_constant_value): Likewise.
	* varpool.c (varpool_decide_const_value_known): Replace by...
	(const_value_known_p): ... this one; handle other kinds of DECLs
	too and work for automatic vars.
	(varpool_finalize_decl): Use const_value_known_p.

	* lto.c (lto_promote_cross_file_statics): Use const_value_known_p.

	* g++.dg/tree-ssa/pr45605.C: New testcase.

From-SVN: r164438

2010-09-20  Rafael Carre   <rafael.carre@gmail.com>

	PR target/45726
	* arm.md (arm_movtas_ze): Only enable on machine with MOVT.

From-SVN: r164436

	PR testsuite/45706
	* gcc.dg/vect/pr43432.c: Don't override dg-options, defaults are
	enough.

From-SVN: r164435

2010-09-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45705
	* tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.

	* gcc.dg/tree-ssa/ssa-dom-dse-1.c: New testcase.

From-SVN: r164434

	PR testsuite/45706
	* lib/target-supports.exp (check_effective_target_vect_perm):
	Add i?86-*-*.

From-SVN: r164433

	PR rtl-optimization/45695
	* combine.c (try_combine): When splitting a two set pattern,
	make sure the pattern which will be put into i2 doesn't use REGs
	or MEMs set by insns in between i2 and i3.

	* gcc.c-torture/execute/pr45695.c: New test.

From-SVN: r164431

From-SVN: r164429

	PR lto/44246
	* lto-cgraph.c (input_cgraph_1, input_varpool_1): Avoid
	processing same node twice.
	* gcc.c-torture/compile/pr44246.c:New file.

From-SVN: r164425

	* gcc-interface/trans.c (gnat_pushdecl): Do not do anything special
	for PARM_DECLs.
	(end_subprog_body): If the body is a BIND_EXPR, make its associated
	block the top-level one.
	(build_function_stub): Build a statement group for the whole function.
	* gcc-interface/utils.c (Subprogram_Body_to_gnu): If copy-in/copy-out
	is used, create the enclosing block early and process first the OUT
	parameters.

From-SVN: r164422

	* config/bfin/bfin.h (CLASS_LIKELY_SPILLED_P): Remove.
	* config/bfin/bfin.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
	(bfin_class_likely_spilled_p): New function

From-SVN: r164421

	PR tree-optimization/45714
	* tree-vect-stmts.c (vect_transform_stmt): Use a dummy statement 
	created in vectorizable_call instead of the original statement in 
	def stmt updates.

From-SVN: r164420

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Enumeration_Type>: Do
	not generate debug info for individual enumerators.

From-SVN: r164418

decl.c (gnat_to_gnu_entity): Use record type instead of enumeral type as the dummy type built for the...

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Use record
	type instead of enumeral type as the dummy type built for the template
	type of fat pointers.

From-SVN: r164417

	* gcc-interface/gigi.h (get_elaboration_procedure): Declare.
	(gnat_zaplevel): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Do not force global
	binding level for an external constant.
	<E_Constant>: Force the local context and create a fake scope before
	translating the defining expression of an external constant.
	<object>: Treat external constants at the global level explicitly for
	renaming declarations.
	(elaborate_expression_1): Force the variable to be static if the
	expression is global.
	* gcc-interface/trans.c (get_elaboration_procedure): New function.
	(call_to_gnu): Use it.
	(gnat_to_gnu): Likewise.
	<N_Object_Declaration>: Do not test Is_Public to force the creation of
	an initialization variable.
	(add_decl_expr): Discard the statement if the declaration is external.
	* gcc-interface/utils.c (gnat_pushdecl): Do not put the declaration in
	the current block if it is external.
	(create_var_decl_1): Do not test Is_Public to set TREE_STATIC.
	(gnat_zaplevel): New global function.

From-SVN: r164416

	* gcc-interface/decl.c (gnat_to_gnu_entity): Explicitly test _LEVEL
	variables against zero in all cases.
	(rest_of_type_decl_compilation): Likewise.
	* gcc-interface/trans.c (gigi): Pass properly typed constants to
	create_var_decl.
	(call_to_gnu): Fix formatting.
	(Handled_Sequence_Of_Statements_to_gnu): Likewise.
	(Exception_Handler_to_gnu_zcx): Likewise.
	(gnat_to_gnu) <N_Object_Declaration>: Short-circuit handling of
	constant
	expressions in presence of a freeze node.

From-SVN: r164415

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Constant>: Look into
	expressions for external constants that are aggregates.
	* gcc-interface/utils2.c (build_simple_component_ref): If the field
	is an inherited component in an extension, look through the extension.

From-SVN: r164414

	* config/i386/i386-protos.h (split_double_mode): New prototype.
	(split_di, split_ti): Remove prototypes.
	* config/i386/i386.c (split_double_mode): New function.
	(split_di, split_ti): Remove.
	(ix86_expand_branch): Use split_double_mode.
	(ix86_split_to_parts): Ditto.
	(ix86_split_ashl): Ditto.
	(ix86_split_ashr): Ditto.
	(ix86_split_lshr): Ditto.
	(ix86_force_to_memory): Ditto.
	* config/i386/i386.md: Use split_double_mode in double-mode splitters.

From-SVN: r164413

libstdc++-v3/:
	* include/ext/throw_allocator.h
	(hash<__gnu_cxx::throw_value_limit>::operator()): Uglify local.
	(hash<__gnu_cxx::throw_value_random>::operator()): Likewise.
	* include/parallel/set_operations.h (__symmetric_difference_func):
	Uglify remaining arguments to __count, __first_empty, _M_invoke.
	(__difference_func): Likewise for __count.
	* include/profile/impl/profiler_node.h
	(__object_info_base::__write): Uglify parameter.

From-SVN: r164411

2010-09-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* src/hash_bytes.cc: Compile load_bytes and shift_mix only when
	__SIZEOF_SIZE_T__ == 8.

From-SVN: r164410

From-SVN: r164409

re PR tree-optimization/45453 (ICE: verify_cgraph_node failed: inlined_to pointer set for noninline callers with -O2 -fno-early-inlining)


	PR tree-optimization/45453
	* cgraphunit.c (cgraph_finalize_function): Consider comdat & external
	virtual functions are reachable.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Likewise.
	* ipa.c (cgraph_remove_unreachable_nodes): Likewise.
	* ipa-prop.c (ipa_modify_formal_parameters): Clear DECL_VIRTUAL_P
	when modifying function.

	* g++.dg/tree-ssa/pr45453.C: New testcase.

From-SVN: r164405

2010-09-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* frontend-passes.c (gfc_expr_walker):  Also
	handle EXPR_SUBSTRING.

From-SVN: r164404

2010-09-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* frontend-passes.c (gfc_expr_walker):  Handle
	constructors and references.

From-SVN: r164403

	PR tree-optimization/45605
	* cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack.
	* gimple-fold.c (static_object_in_other_unit_p): New function.
	(canonicalize_constructor_val): Use it.
	(get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val
	returning NULL.
	(gimple_fold_obj_type_ref_known_binfo): Use static_object_in_other_unit_p.

From-SVN: r164402

	* call.c (compare_ics): Do lvalue/rvalue reference binding
	comparison for ck_list, too.

From-SVN: r164401

2010-09-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45709
	* tree-inline.c (copy_phis_for_bb): Delay commit of edge
	insertions until after all PHI nodes of the block are processed.

	* g++.dg/torture/pr45709-2.C: New testcase.

From-SVN: r164397

From-SVN: r164396

2010-09-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR testsuite/45719
	* gcc.target/i386/pad-3.c: Pass -fno-pic.

From-SVN: r164395

	* lto-elf.c (lto_obj_file_open): Also provide filename when
	elf_begin fails.

From-SVN: r164394

2010-09-18  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (*-w64-mingw*): Correct typo about t-dfprules.

From-SVN: r164393

2010-09-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45709
	* tree-inline.c (copy_phis_for_bb): Fixup new_edge when
	we splitted it.

	* g++.dg/torture/pr45709.C: New testcase.

From-SVN: r164390

        * hash.c: Include objc-private/hash.h instead of objc/hash.h.

        * objc/sarray.h: Moved into objc/deprecated/sarray.h;
        objc/sarray.h replaced with a placeholder including the file from
        the deprecated/ directory.
        * objc-private/sarray.h: New file (private copy of sarray.h).
        * hash.c: Include <assert.h> instead of "assert.h"
        * sarray.c: Include <assert.h> instead of "assert.h".  Include
        objc-private/sarray.h instead of objc/sarray.h.
        * selector.c: Include objc-private/sarray.h instead of
        objc/sarray.h.
        * sendmsg.c: Include <assert.h>.  Include objc-private/sarray.h
        instead of objc/sarray.h.
        * Makefile.in (OBJC_DEPRECATED_H): Added sarray.h.

From-SVN: r164389

2010-09-17  Luc Hermitte  <hermitte@free.fr>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/45713
	* include/std/bitset: Fix _GLIBCXX_BITSET_WORDS macro.
	* testsuite/23_containers/bitset/45713.cc: New.
	    

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r164388

From-SVN: r164387

2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (dot_deps): Add DEBUG_FUNCTION.
	(dot_deps_stmt): Same.
	* graphite-poly.c (dot_lst): Same.
	* graphite-scop-detection.c (dot_all_scops): Same.
	(dot_scop): Same.

From-SVN: r164381

2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>

	Revert commit: 2009-12-16  Ben Elliston  <bje@au.ibm.com>
	* tree-data-ref.c (dot_rdg_1): Added back.
	(dot_rdg): Same.  Added "#if 0" around system call.

From-SVN: r164380

gcc/

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
	    Richard Henderson  <rth@redhat.com>

	* config/i386/i386.c (initial_ix86_tune_features): Add
	X86_TUNE_PAD_SHORT_FUNCTION.
	(ix86_code_end): Pad with 8 NOPs for TARGET_PAD_SHORT_FUNCTION.
	(ix86_count_insn): New.
	(ix86_pad_short_function): Likewise.
	(ix86_reorg): Support TARGET_PAD_SHORT_FUNCTION.

	* config/i386/i386.h (ix86_tune_indices): Add
	X86_TUNE_PAD_SHORT_FUNCTION.
	(TARGET_PAD_SHORT_FUNCTION): New.

	* config/i386/i386.md (UNSPEC_NOPS): New.
	(nops): Likewise.

gcc/testsuite/

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/pad-1.c: New.
	* gcc.target/i386/pad-2.c: Likewise.
	* gcc.target/i386/pad-3.c: Likewise.
	* gcc.target/i386/pad-4.c: Likewise.
	* gcc.target/i386/pad-5a.c: Likewise.
	* gcc.target/i386/pad-5b.c: Likewise.
	* gcc.target/i386/pad-6a.c: Likewise.
	* gcc.target/i386/pad-6b.c: Likewise.
	* gcc.target/i386/pad-7.c: Likewise.
	* gcc.target/i386/pad-8.c: Likewise.
	* gcc.target/i386/pad-9.c: Likewise.
	* gcc.target/i386/pad-10.c: Likewise.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r164379

2010-07-02  Sebastian Pop  <sebastian.pop@amd.com>

	* check_GNU_style.sh: Do not print warning messages when there are
	no occurences.

From-SVN: r164378

stack boundary after stack alignment.

gcc/

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/45234
	* calls.c (expand_call): Make sure that all variable sized
	adjustments are multiple of preferred stack boundary after
	stack alignment.

gcc/testsuite/

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/45234
	* gcc.dg/torture/stackalign/alloca-5.c: New.

From-SVN: r164377