2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	* tree-parloops.c (loop_parallel_p): New argument
	parloop_obstack.  Pass it down.
	(parallelize_loops): New variable parloop_obstack.  Initialize it,
	pass it down, free it.

	* tree-loop-linear.c (linear_transform_loops): Pass down
	lambda_obstack.

	* tree-data-ref.h (lambda_compute_access_matrices): New argument
	of type struct obstack *.

	* tree-data-ref.c (analyze_subscript_affine_affine): New variable
	scratch_obstack.  Initialize it, pass down, free it.

	* lambda.h (lambda_loop_new): Remove.
	(lambda_matrix_new, lambda_matrix_inverse)
	(lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
	argument of type struct obstack *.

	* lambda-trans.c (lambda_trans_matrix_new): New argument
	lambda_obstack.  Pass it down, use obstack allocation for ret.
	(lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
	it down.

	* lambda-mat.c (lambda_matrix_get_column)
	(lambda_matrix_project_to_null): Remove.
	(lambda_matrix_new): New argument lambda_obstack.  Use obstack
	allocation for mat.
	(lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
	lambda_obstack.

	* lambda-code.c (lambda_loop_new): New function.
	(lambda_lattice_new, compute_nest_using_fourier_motzkin)
	(lambda_compute_auxillary_space, lambda_compute_target_space)
	(lambda_loopnest_transform, gcc_loop_to_lambda_loop)
	(lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
	(build_access_matrix): New argument lambda_obstack.  Use obstack
	allocation for am.
	(lambda_compute_step_signs, lambda_compute_access_matrices): New
	argument lambda_obstack.  Pass it down.

From-SVN: r158644

	* optabs.h (expand_widening_mult): Declare.

From-SVN: r158643

	PR middle-end/29274
	* gcc.target/arm/wmul-1.c: New test.
	* gcc.target/arm/wmul-2.c: New test.

From-SVN: r158642

2010-04-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43845
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
	lookup the CALL_EXPR function and arguments.

	* gcc.c-torture/compile/pr43845.c: New testcase.

From-SVN: r158641

        (xstormy16_asm_output_aligned_common): Handle a NULL decl
        parameter.
        * config/stormy16/stormy16.h: Tidy up formatting.
        (DONT_USE_BUILTIN_SETJMP): Remove definition.
        * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
        (ineqbranchsi): Delete pattern.
        * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
        * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
        * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
        stormy16-lib2-ucmpsi2.c.

From-SVN: r158640

ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and df_simulate_find_noclobber_defs as appropriate.

	* ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
	df_simulate_find_noclobber_defs as appropriate.  Keep track of an
	extra set merge_set_noclobber, and use it to relax the final test
	slightly.
	* df.h (df_simulate_find_noclobber_defs): Declare.
	* df-problems.c (df_simulate_find_defs): Don't ignore partial or
	conditional defs.
	(df_simulate_find_noclobber_defs): New function.

From-SVN: r158639

2010-04-22  Johannes Singler  <singler@kit.edu>

        * include/parallel/partition.h (__parallel_partition):
        Improve scalability by:
        -introducing new variables __leftold, __rightold, __dist, thus
        -getting rid of omp lock by using atomic operations
        -getting rid of two omp barriers

From-SVN: r158636

	* config/i386/i386.md: Use {} around multi-line preparation statements.

From-SVN: r158635

	* c-tree.h (push_init_level, pop_init_level, set_init_index)
	(process_init_element): New argument of type struct obstack *.

	* c-typeck.c (push_init_level, pop_init_level, set_designator)
	(set_init_index, set_init_label, set_nonincremental_init)
	(set_nonincremental_init_from_string, find_init_member)
	(output_init_element, output_pending_init_elements)
	(process_init_element): New argument braced_init_obstack.  Pass it
	down.
	(push_range_stack, add_pending_init): New argument
	braced_init_obstack.  Use obstack allocation.

	* c-parser.c (c_parser_initelt, c_parser_initval): New argument
	braced_init_obstack.  Pass it down.
	(c_parser_braced_init): New variables ret, braced_init_obstack.
	Initialize obstack, pass it down and finally free it.

From-SVN: r158634

gcc/
	PR middle-end/29274
	* optabs.h (expand_widening_mult): Declare.
	* tree-pass.h (pass_optimize_widening_mul): Declare.
	* tree-ssa-math-opts.c (execute_optimize_widening_mul,
	gate_optimize_widening_mul): New static functions.
	(pass_optimize_widening_mul): New.
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
	case.
	<case MULT_EXPR>: Remove support for widening multiplies.
	* tree.def (WIDEN_MULT_EXPR): Tweak comment.
	* cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
	simplify_gen_unary rather than directly building extensions.
	* tree-cfg.c (verify_gimple_assign_binary): Add tests for
	WIDEN_MULT_EXPR.
	* expmed.c (expand_widening_mult): New function.
	* passes.c (init_optimization_passes): Add pass_optimize_widening_mul.

gcc/testsuite/
	PR middle-end/29274
	* gcc.target/i386/wmul-1.c: New test.
	* gcc.target/i386/wmul-2.c: New test.
	* gcc.target/bfin/wmul-1.c: New test.
	* gcc.target/bfin/wmul-2.c: New test.

From-SVN: r158633

2010-04-22  Richard Guenther  <rguenther@suse.de>

	PR fortran/43829
	* resolve.c (gfc_resolve_index): Wrap around ...
	(gfc_resolve_index_1): ... this.  Add parameter to allow
	any integer kind index type.
	(resolve_array_ref): Allow any integer kind for the start
	index of an array ref.

	* gfortran.dg/vector_subscript_6.f90: New testcase.
	* gfortran.dg/assign_10.f90: Adjust.

From-SVN: r158632

2010-04-22  Basile Starynkevitch  <basile@starynkevitch.net>

	* gcc_update: Sets the locale to C.

From-SVN: r158629

From-SVN: r158628

2010-04-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/xml/faq.xml: Link to manual.
	* doc/xml/manual/using.xml: Expand dynamic libraries section.
	* doc/xml/manual/strings.xml: Mention shrink_to_fit() member.
	* doc/xml/manual/prerequisites.xml: Link to doxygen requirements.
	* doc/xml/manual/appendix_contributing.xml: Update Bash version.
	* doc/html/*: Regenerate.

From-SVN: r158624

	* timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
	* lto-section-in.c (lto_section_name): Remove wpa_fixup.
	* lto-wpa-fixup.c: Remove.
	* Makefile.in (lto-wpa-fixup.o): Remove.
	* passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
	(execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
	* lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
	
	* lto.c (lto_fixup_tree): Do not call wpa fixup.
	(materialize_cgraph): Likewise.

From-SVN: r158622

	PR fortran/43836
	* f95-lang.c (gfc_define_builtin): Set TREE_NOTHROW on
	the decl.

	* gfortran.dg/gomp/pr43836.f90: New test.

From-SVN: r158619

	* tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
	add write_optimization_summary, read_optimization_summary.
	(ipa_write_summaries_of_cgraph_node_set): Remove.
	(ipa_write_optimization_summaries): Declare.
	(ipa_read_optimization_summaries): Declare.
	* ipa-cp.c (pass_ipa_cp): Update.
	* ipa-reference.c (pass_ipa_reference): Update.
	* ipa-pure-const.c (pass_ipa_pure_const): Update.
	* lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
	Update.
	* ipa-inline.c (pass_ipa_inline): Update.
	* ipa.c (pass_ipa_whole_program): Update.
	* lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
	* passes.c (ipa_write_summaries_1): Do not test wpa.
	(ipa_write_optimization_summaries_1): New.
	(ipa_write_optimization_summaries): New.
	(ipa_read_summaries): Do not test ltrans.
	(ipa_read_optimization_summaries_1): New.
	(ipa_read_optimization_summaries): New.

	* lto.c (lto_wpa_write_files): Update.
	(read_cgraph_and_symbols): Be more verbose.
	(materialize_cgraph): Likewise.
	(do_whole_program_analysis): Likewise.

From-SVN: r158616

	* lto-cgraph.c (lto_output_node): Do not output comdat groups
	for boundary nodes.
	(output_cgraph): Do not arrange comdat groups for boundary nodes.

From-SVN: r158615

	PR debug/40040
	* dwarf2out.c (add_name_and_src_coords_attributes): Add
	DW_AT_{,MIPS_}linkage_name even for Fortran decls.

From-SVN: r158612

2010-04-19  Andrew Haley  <aph@redhat.com>

	PR libgcj/40860
	* configure.ac: Handle --no-merge-exidx-entries.

From-SVN: r158611

From-SVN: r158610

	* lto.c (globalize_cross_file_statics): When function has address taken,
	it needs to be public.
	* varpool.c (decide_is_variable_needed): Variable is always needed
	during ltrans.

From-SVN: r158609

From-SVN: r158608

	* cgraph.c (dump_cgraph_node): Dump also assembler name.
	* ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
	at WPA dumping.
	(cgraph_decide_inlining): Do not expect callee to be removed in all
	cases.

From-SVN: r158607

From-SVN: r158604

	* config/i386/i386.md (x86_shrd): Add athlon_decode and
	amdfam10_decode attributes.

From-SVN: r158596

	PR middle-end/43570
	* omp-low.c (scan_sharing_clauses): Don't scan_omp_op
	OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
	(lower_copyprivate_clauses): Use private var in outer
	context instead of original var.  Make sure the types
	are correct for VLAs.

	* testsuite/libgomp.fortran/vla8.f90: New test.

From-SVN: r158594

2010-04-21  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
	to non-pointer objects.

	* gcc.dg/ipa/ipa-pta-11.c: Adjust.

From-SVN: r158591

	* dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
	last chain entry if it starts with the still current label.
	(add_location_or_const_value_attribute): Check that
	loc_list->first->next is NULL instead of comparing ->first with
	->last.
	(dwarf2out_var_location): Pass last_label resp. last_postcall_label
	to add_var_loc_to_decl.

From-SVN: r158590

dwarf2out.c (output_call_frame_info): For dw_cie_version >= 4 add also address size and segment size fields into CIE...

	* dwarf2out.c (output_call_frame_info): For dw_cie_version
	>= 4 add also address size and segment size fields into CIE
	header.

	* unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
	long as address size is the same as sizeof (void *) and
	segment size is 0.
	* unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
	address size or segment size is unexpected, return DW_EH_PE_omit.
	(classify_object_over_fdes): If get_cie_encoding returned
	DW_EH_PE_omit, return -1.
	(init_object): If classify_object_over_fdes returned -1,
	pretend there were no FDEs at all.

From-SVN: r158589

        * gcc.dg/torture/builtin-cproj-3.c: New.

From-SVN: r158588

	* config/i386/i386.md (bswap<mode>2): Macroize expander from
	bswap{si,di}2 using SWI48 mode iterator.
	(*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
	SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
	set modrm attribute of bswap insn to 0 and remove length attribute.
	(*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
	iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
	set mode attribute to <MODE> and remove length attribute.

From-SVN: r158587

	PR c++/9335
gcc/cp:
	* init.c (constant_value_1): Treat error_mark_node as a constant
	if DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P is set.
	* cvt.c (ocp_convert): Handle getting error_mark_node from
	integral_constant_value.
	* decl.c (compute_array_index_type): Likewise.
gcc/testsuite:
	* lib/prune.exp: Prune "skipping N instantiation contexts".

From-SVN: r158586

PR rtl-optimization/43520
* ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
zero available registers.

From-SVN: r158584

From-SVN: r158583

2010-04-20  Harald Anlauf  <anlauf@gmx.de>

	* intrinsic.c (sort_actual): Remove 'is' in error message.

From-SVN: r158577

From-SVN: r158575

        * builtins.c (fold_builtin_cproj): Fold more cases.

testsuite:
        * gcc.dg/torture/builtin-cproj-1.c: Test more cases.

From-SVN: r158574

        * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
        (fold_builtin_1): Fold builtin cproj.
        * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
        Use ATTR_CONST_NOTHROW_LIST.

From-SVN: r158573

Fix PR c++/43800

gcc/cp/ChangeLog:
	PR c++/43800
	PR c++/43704
	* typeck.c (incompatible_dependent_types_p): If one of the
	compared types if not a typedef then honour their main variant
	equivalence.

gcc/testsuite/ChangeLog:
	PR c++/43800
	PR c++/43704
	* g++.dg/template/typedef32.C: Adjust.
	* g++.dg/template/typedef33.C: New test.

From-SVN: r158571