From-SVN: r159413

2010-05-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44119
	* tree-ssa-pre.c (eliminate): Properly mark replacement of
	a PHI node necessary.

	* gcc.c-torture/compile/pr44119.c: New testcase.

From-SVN: r159412

From-SVN: r159409

	PR c++/44127
gcc:
	* gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
	(gimple_call_set_nothrow): New.
	* gimple.c (gimple_build_call_from_tree): Call it.
	(gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
gcc/cp:
	* except.c (dtor_nothrow): Return nonzero for type with
	trivial destructor.

From-SVN: r159408

	PR c++/44127
gcc:
	* gimplify.c (gimplify_seq_add_stmt): No longer static.
	* gimple.h: Declare it.
	* gimple.c (gimple_build_eh_filter): No ops.
gcc/cp:
	* cp-gimplify.c (gimplify_must_not_throw_expr): Use
	gimple_build_eh_must_not_throw.

From-SVN: r159407

	* ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
	nodes already in queue.
	(cgraph_remove_unreachable_nodes): Cleanup; fix problem with re-enqueueing
	node.

From-SVN: r159405

	PR debug/44136
	* cfgexpand.c (expand_debug_expr): If non-memory op0
	has BLKmode, return NULL.

	* gcc.dg/pr44136.c: New test.

From-SVN: r159400

2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>

	* config.gcc: Add support for --with-cpu option for bdver1.
	* config/i386/i386.h (TARGET_BDVER1): New macro.
	(ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
	to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
	(ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
	to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
	Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
	(TARGET_CPU_DEFAULT_NAMES): Add bdver1.
	(processor_type): Add PROCESSOR_BDVER1.
	* config/i386/i386.md: Add bdver1 as a new cpu attribute to match
	processor_type in config/i386/i386.h.
	Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
	movaps <reg, reg> instead of movapd <reg, reg> when replacing
	movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
	Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
	to emit packed xor instead of packed double/packed integer
	xor for SSE and AVX when moving a zero value.
	* config/i386/sse.md: Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
	 to emit movaps instead of movapd/movdqa for SSE and AVX.
	Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single
	logical operations i.e and, or and xor instead of packed double logical
	operations for SSE and AVX. 
	* config/i386/i386-c.c: 
	(ix86_target_macros_internal): Add PROCESSOR_BDVER1.
	* config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
	(has_fma4, has_xop): New.
	* config/i386/i386.c (bdver1_cost): New variable.
	(m_BDVER1): New macro.
	(m_AMD_MULTIPLE): Add m_BDVER1.
	(x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
	 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
	 x86_tune_use_simode_fiop, x86_tune_promote_qimode, 
	 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
	 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
	 x86_tune_sse_partial_reg_dependency, x86_tune_sse_unaligned_load_optimal,
	 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
	 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
	 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
	 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
	 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch): 
	Enable/disable for bdver1.
	(processor_target_table): Add bdver1_cost.
	(cpu_names): Add bdver1.
	(override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
	 processor_alias_table.
	(ix86_expand_vector_move_misalign): Change 
	 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
	 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
	 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
	 of movupd/movdqu for SSE and AVX.
	(ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
	(ix86_tune_adjust_cost): Add code for bdver1.
	(standard_sse_constant_opcode): Add check for
	TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
	of packed double xor for SSE and AVX.

From-SVN: r159399

	* tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
	result to unsigned.

From-SVN: r159397

2010-05-14  Tristan Gingold  <gingold@adacore.com>

	* toplev.c (default_debug_hooks): Remove this variable.
	(process_options): Remove assignments to default_debug_hooks.

From-SVN: r159396

2010-05-14  Martin Jambor  <mjambor@suse.cz>

	* cp/cp-lang.c (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove both its undef
	and define.

	* langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
	(LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
	* langhooks.h (struct lang_hooks_for_decls): Removed field
	fold_obj_type_ref.
	* tree.c (free_lang_data): Remove assignment to
	lang_hooks.fold_obj_type_ref.
	* tree.def (OBJ_TYPE_REF): Update comment.

From-SVN: r159393

2010-05-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44124
	* tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.

From-SVN: r159390

	* trans.c (trans_code): Set backend locus early.
	* trans-decl.c (gfc_get_fake_result_decl): Use source location
	of the function instead of current input_location.

	* gfortran.dg/gomp/pr44036-1.f90: Adjust.

From-SVN: r159388

From-SVN: r159386

2010-05-14  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* call.c (build_new_method_call): Change warning text.
	* typeck2.c (build_functional_cast): Change error text.

From-SVN: r159385

gcc/cp/
2010-05-14  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c++/30566
        * name-lookup.c (pushdecl_maybe_friend): Avoid the warnings about
        shadowing the outer parameter or variables by the declaration of
        nested function in nested structure or class. Warn the shadowing by
        the declaration of nested lambda expression.

gcc/testsuite/
2010-05-14  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c++/30566
        * testsuite/g++.dg/warn/Wshadow-4.C: Adjust.
        * testsuite/g++.dg/warn/Wshadow-5.C: New test.
        * testsuite/g++.dg/warn/Wshadow-6.C: New test.

From-SVN: r159383

	PR target/44075
	* config/rs6000/rs6000.c (struct machine_function): Reorder
	fields for better packing.  Add lr_save_state.
	(rs6000_ra_ever_killed): Return lr_save_state if set.
	(rs6000_emit_eh_reg_restore): Set lr_save_state.

From-SVN: r159382

From-SVN: r159381

	* typeck.c (cp_build_array_ref): Factor out from...
	(build_array_ref): ...here.  Drop complain parm.
	(build_new_op): Adjust.
	* class.c (build_vtbl_ref_1): Adjust.
	* decl2.c (grok_array_decl): Adjust.
	* cp-tree.h: Adjust prototypes.

From-SVN: r159377

From-SVN: r159372

	* varpool.c (decide_is_variable_needed): Drop code checking
	TREE_SYMBOL_REFERENCED.

From-SVN: r159371

	* final.c (output_addr_const): Do not call mark_decl_referenced.
	* cgraphunit.c (process_function_and_variable_attributes): Use
	mark_needed_node dirrectly.
	(assemble_thunk): Do not call mark_decl_referenced.

From-SVN: r159370

From-SVN: r159369

	* ira-conflicts.c (print_allocno_conflicts): New function broken out
	from...
	(print_conflicts): Call print_allocno_conflicts.

From-SVN: r159368

	PR debug/44104
	* dwarf2out.c (modified_type_die): Don't dereference mod_type_die
	if it is NULL.

From-SVN: r159367

gcc/fortran/:
2010-05-13  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35779
        * intrinsic.c (gfc_init_expr): Renamed to gfc_init_expr_flag.
        Updated all usages.
        * expr.c (init_flag): Removed; use gfc_init_expr_flag everywhere.
        * array.c (match_array_list): Pass on gfc_init_expr_flag when matching
        iterators.

gcc/testsuite/:
2010-05-13  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35779
        * gfortran.dg/initialization_25.f90: New.

From-SVN: r159366

config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose t-mingw-w64 or t-mingw-w32 for multilib configuration.

2010-05-13  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
        t-mingw-w64 or t-mingw-w32 for multilib configuration.
        * config/i386/t-mingw-w32: New.
        * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.

From-SVN: r159364

2010-05-13  Martin Jambor  <mjambor@suse.cz>

	* gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
	gimple-fold.c).
	* gimple-fold.c (get_base_binfo_for_type): New function.
	(gimple_get_relevant_ref_binfo): Likewise.
	(gimple_fold_obj_type_ref_known_binfo): Likewise.
	(gimple_fold_obj_type_ref): Likewise.
	(fold_gimple_call): Simplify condition for folding virtual calls
	and call gimple_fold_obj_type_ref.
	* gimple.h (gimple_get_relevant_ref_binfo): Declare.
	(gimple_fold_obj_type_ref_known_binfo): Likewise.

	* testsuite/g++.dg/otr-fold-1.C: New test.
	* testsuite/g++.dg/otr-fold-2.C: New test.

From-SVN: r159362

	PR fortran/44036
	* openmp.c (resolve_omp_clauses): Allow procedure pointers in clause
	variable lists.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Don't privatize
	by reference dummy procedures or non-dummy procedure pointers.
	(gfc_omp_predetermined_sharing): Return
	OMP_CLAUSE_DEFAULT_FIRSTPRIVATE for dummy procedures.

	* gfortran.dg/gomp/pr44036-1.f90: New test.
	* gfortran.dg/gomp/pr44036-2.f90: New test.
	* gfortran.dg/gomp/pr44036-3.f90: New test.

From-SVN: r159361

(rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
* config/rs6000/rs6000.c (rs6000_mode_dependent_address)
(rs6000_debug_mode_dependent_address)
(rs6000_mode_dependent_address_ptr): Likewise.

From-SVN: r159359

From-SVN: r159358

	PR debug/43983
	* var-tracking.c (track_expr_p): Allow tracking of variables optimized
	by SRA.
	* Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
	* tree-sra.c (create_access_replacement): Call unshare_expr before
	passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
	it.
	* dwarf2out.c: Include tree-flow.h.
	(struct var_loc_node): Rename var_loc_note field to loc, add comment.
	(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
	Handle DW_OP_bit_piece.
	(decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
	construct_piece_list, adjust_piece_list): New functions.
	(add_var_loc_to_decl): Handle SRA optimized variables.
	Adjust for var_loc_note to loc field renaming.
	(dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
	in VAR_LOCATION note.
	(new_loc_descr_op_bit_piece): New function.
	(dw_sra_loc_expr): New function.
	(dw_loc_list): Use it.  Don't handle the last range after the
	loop, handle it inside of the loop.  Adjust for var_loc_note
	to loc field renaming.
	(add_location_or_const_value_attribute): Only special case
	single entry loc lists if loc is NOTE_P.  Adjust for
	var_loc_note to loc field renaming.
	(dwarf2out_var_location): Don't set newloc->var_loc_note
	and newloc->next here.

	* gcc.dg/guality/sra-1.c: New test.

From-SVN: r159357

* tracebak.c (__gnat_backtrace): Mark top_stack with
ATTRIBUTE_UNUSED.

From-SVN: r159356

	* cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
	* cgraph.h (cgraph_only_called_directly_p,
	cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
	(cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
	* cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
	(assemble
	* ipa.c (cgraph_remove_unreachable_nodes): Use
	cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
	* tree-inline.c (copy_bb): Check address_taken flag.
	* tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
	externally_visible flag.

	* tree-ssa/unreachable.c: New test.

From-SVN: r159354

	* typeck.c (build_array_ref): Take complain parm.
	* cp-tree.h: Add it to prototype.
	* call.c (build_new_op): Pass it.
	* class.c (build_vtbl_ref): Pass it.
	* decl2.c (grok_array_decl): Pass it.

From-SVN: r159351

	PR bootstrap/44048
	PR target/44099
gcc/cp:
	* cp-tree.def (NULLPTR_TYPE): Remove.
	* cp-tree.h (NULLPTR_TYPE_P): New.
	(SCALAR_TYPE_P): Use it.
	(nullptr_type_node): New.
	(cp_tree_index): Add CPTI_NULLPTR_TYPE.
	* decl.c (cxx_init_decl_processing): Call record_builtin_type on
	nullptr_type_node.
	* cvt.c (ocp_convert): Use NULLPTR_TYPE_P instead of NULLPTR_TYPE.
	* cxx-pretty-print.c (pp_cxx_constant): Likewise.
	* error.c (dump_type, dump_type_prefix, dump_type_suffix): Likewise.
	* mangle.c (write_type): Likewise.
	* name-lookup.c (arg_assoc_type): Likewise.
	* typeck.c (build_reinterpret_cast_1): Likewise.
	* rtti.c (typeinfo_in_lib_p): Likewise.
	(emit_support_tinfos): Remove local nullptr_type_node.
gcc:
	* dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
	* sdbout.c (plain_type_1): Likewise.
	* dwarf2out.c (is_base_type): Likewise.
	(gen_type_die_with_usage): Likewise.  Generate
	DW_TAG_unspecified_type for any LANG_TYPE.

From-SVN: r159350

	* cp-tree.h (UNKNOWN_TYPE): Remove.
	* decl.c (cxx_init_decl_processing): Use LANG_TYPE instead.
	* error.c (dumy_type, dump_type_prefix, dump_type_suffix): Likewise.
	* typeck2.c (cxx_incomplete_type_diagnostic): Likewise.
	* class.c (instantiate_type): Check unknown_type_node rather than
	UNKNOWN_TYPE.
	* name-lookup.c (maybe_push_decl): Likewise.
	* rtti.c (get_tinfo_decl_dynamic): Likewise.
	(get_typeid): Likewise.
	* semantics.c (finish_offsetof): Likewise.

From-SVN: r159349

From-SVN: r159348

	* tests/leak_test.c (main): Declare as int.  Return 0.
	* tests/thread_leak_test.c (main): Ditto.
	* tests/trace_test.c (main): Ditto.

From-SVN: r159344

	* cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
	indrect edges too.
	* cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
	(cgraph_clone_edge): Update.
	(cgraph_node_remove_callees): Remove indirect calls too.
	* cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
	(cgraph_create_indirect_edge): Update prototype.
	* ipa-reference.c (has_proper_scope_for_analysis): Rename to
	is_proper_for_analysis.
	(add_new_function, visited_nodes, function_insertion_hook_holder,
	get_local_reference_vars_info, mark_address_taken, mark_address,
	mark_load, mark_store, check_asm_memory_clobber, check_call,
	scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
	(ipa_init): Do not initialize visited_nodes;
	function_insertion_hook_holder.
	(analyze_variable): Rewrite.
	(analyze_function): Rewrite.
	(copy_local_bitmap): Remove.
	(duplicate_node_dat): Do not duplicate local info.
	(generate_summary): Simplify to only walk cgraph.
	(write_node_summary_p, ipa_reference_write_summary,
	ipa_reference_read_summary): Remove.
	(propagate): Do not remove function insertion;
	generate summary.
	(pass_ipa_reference): NULLify summary handling fields.
	* lto-cgraph.c (lto_output_edge): Output ecf_flags.
	(input_edge): Input ecf_flags.
	* ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
	(update_indirect_edges_after_inlining): Ignore edges with unknown
	param.

From-SVN: r159343