tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on BUILT_IN_ALLOCA if stack checking is enabled.

	* tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
	BUILT_IN_ALLOCA if stack checking is enabled.

From-SVN: r159457

2010-05-16  Richard Guenther  <rguenther@suse.de>

	* var-tracking.c (vars_copy_1): Inline ...
	(vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
	(variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
	(variable_merge_over_cur): Adjust.  Merge asserts.
	(variable_merge_over_src): Likewise.
	(dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
	(variable_post_merge_new_vals): Merge asserts.
	(variable_post_merge_perm_vals): Likewise.
	(find_mem_expr_in_1pdv): Likewise.
	(dataflow_set_different_value): Remove.
	(onepart_variable_different_p): Merge asserts.
	(variable_different_p): Likewise.
	(dataflow_set_different_1): Inline ...
	(dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
	(emit_notes_for_differences_1): Merge asserts.

From-SVN: r159456

2010-05-16  Richard Guenther  <rguenther@suse.de>

	* lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
	* optabs.c (libfunc_decl_hash): Likewise.
	* varasm.c (emutls_decl): Likewise.

	fortran/
	* trans-decl.c (module_htab_decls_hash): Use IDENTIFIER_HASH_VALUE.

From-SVN: r159455

2010-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

ada/
	* gcc-interface/misc.c (gnat_handle_option): Remove special logic
	for Wuninitialized without -O.
fortran/
	* options.c (set_Wall): Remove special logic for Wuninitialized
	without -O.

From-SVN: r159454

	* testsuite/libmudflap.c/pass46-frag.c (dg-options): Remove -Wall.

From-SVN: r159453

	* gcc-interface/gigi.h (enum standard_datatypes): Add new value
	ADT_exception_data_name_id.
	(exception_data_name_id): New define.
	* gcc-interface/trans.c (gigi): Initialize it.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Use the standard
	exception type for standard exception definitions.  Do not make them
	volatile.
	<E_Record_Type>: Equate fields of types associated with an exception
	definition to those of the standard exception type.

From-SVN: r159452

	* c-decl.c: Don't include gimple.h.
	(merge_decls): Do not copy gimple_body.

From-SVN: r159451

gcc:
	* c.opt: Add -fnothrow-opt.
gcc/cp:
	* cp-tree.h (TYPE_NOEXCEPT_P): New macro.
	* except.c (begin_eh_spec_block): Use MUST_NOT_THROW_EXPR if
	TYPE_NOEXCEPT_P.
	(finish_eh_spec_block): Adjust.

From-SVN: r159450

From-SVN: r159449

2010-05-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44154
	PR fortran/42647
	* trans-decl.c (gfc_trans_deferred_vars): Modify ordering of
	if branches.


2010-05-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44154
	PR fortran/42647
	* gfortran.dg/allocatable_scalar_9.f90: New.

From-SVN: r159445

	* ipa-prop.c (ipa_prop_read_section): Add sanity check that node is analyzed.
	* passes.c (ipa_write_summaries): Write all analyzed nodes.

From-SVN: r159444

	PR c++/44148
	* pt.c (tsubst): Unshare template argument.

	* g++.dg/torture/pr44148.C: New test.

From-SVN: r159443

gcc/ChangeLog
	* vecir.h: New file with VEC primitives for tree, gimple, and rtl.
	* Makefile.in: Add it.
	Fix all other Makefile dependencies for changes below.
	* tree.h: Include it instead of defining VEC primitives here.
	* gimple.h: Likewise.
	* rtl.h: Likewise.
	* tree-inline.h: Inlclude vecir.h instead of gimple.h.
	* except.h: Include vecir.h, break dependence on tree.h.

	* gimplify.c (append_to_statement_list_1, append_to_statement_list):
	Move from here...
	* tree-iterator.c: ...to here.
	* tree-iterator.h: Fix file introduction comment.  Add extern markers.

	* c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
	tm_p.h.
	* c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
	* c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
	integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
	tree-mudflap.h, and target.h.
	* c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
	predict.h, tree-inline.h, gimple.h, and langhooks.h.
	* c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
	Add FIXME for why gimple.h is still included (should be unnecessary
	since GCC 4.5 gimplification unit-at-a-time).
	* c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
	* c-pragma.c: Add FIXME for why function.h needs to be included just
	for cfun, at front-end level.
	Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
	Do not include ggc.h, but include vecprim.h for VEC(char).
	* c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
	Explain why target.h is included.
	* c-omp.h: Do not include tm.h, function.h, and bitmap.h.
	Explain why gimple.h is included.
	* c-ppoutput.c: Do not include tm.h.
	* c-common.c: Do not include gimple.h.  Explain why expr.h is included.
	* c-parses.c: Explain why rtl.h is included, and that this (and only
	this) is also why tm.h must be included.
	Do not include except.h.
	* c-lang.c: Do not include ggc.h.

cp/ChangeLog
	* decl.c: Include tree-iterator.h, as fixup for tree-inline.h changes.
	* Make-lang.in: Fix dependencies accordingly.

From-SVN: r159442

	* targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.

From-SVN: r159441

	* testsuite/lib/mfdg.exp (additional_prunes): New global.
	(dg-test): Clear additional_prunes before test is run.
	(dg-prune-output): New procedure.
	* testsuite/lib/libmudflap.exp (libmudflap-dg-test): Do not call
	prune_gcc_output.
	(libmudflap-dg-prune): New procedure.
	* testsuite/libmudflap.c++/pass57-frag.cxx (dg-prune-output):
	New dg directive.

From-SVN: r159440

	* c-decl.c (grokfield): Allow typedefs for anonymous structs and
	unions by default if those structs and unions have no tags.  Do
	not condition anonymous struct and unions handling on flag_iso.
	Allow anonymous structs and unions for C1X.
	(finish_struct): Do not diagnose lack of named fields when
	anonymous structs and unions present for C1X.  Accept flexible
	array members in structure with anonymous structs or unions but no
	directly named fields.
	* doc/extend.texi (Unnamed Fields): Update.

testsuite:
	* gcc.dg/c1x-anon-struct-1.c, gcc.dg/c1x-anon-struct-2.c,
	gcc.dg/c90-anon-struct-1.c, gcc.dg/c99-anon-struct-1.c: New tests.
	* gcc.dg/20080820.c, gcc.dg/anon-struct-1.c: Update expected
	diagnostics and type sizes.

From-SVN: r159439

	* gimple.h (compare_field_offset): Rename into...
	(gimple_compare_field_offset): ...this.
	* gimple.c (compare_field_offset): Rename into...
	(gimple_compare_field_offset): ...this.  Compare the full access if
	the offset is self-referential.
	(gimple_types_compatible_p): Adjust for above renaming.
	* lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
	DECL_NONADDRESSABLE_P flag of fields before merging them.

From-SVN: r159438

	* tree.h (ctor_to_list): Delete.
	* tree.c (ctor_to_list): Delete.

From-SVN: r159437

	* gcc.dg/lto/ipareference_1.c: Rename to ...
	* gcc.dg/lto/ipareference_0.c: ... this one.
	* gcc.dg/lto/ipareference_2.c: Rename to ...
	* gcc.dg/lto/ipareference_1.c: ... this one.

From-SVN: r159436

	* ipa-reference.c: Include toplev.h
	(is_proper_for_analysis): Only add to all_module_statics
	if it is allocated.
	(write_node_summary_p, stream_out_bitmap,
	ipa_reference_write_optimization_summary,
	ipa_reference_read_optimization_summary): New.
	(struct ipa_opt_pass_d pass_ipa_reference): Add
	optimization summary streaming.
	* lto-cgraph.c (referenced_from_this_partition_p, 
	reachable_from_this_partition_p): New functions.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
	* opts.c (decode_options): Enable ipa_reference.
	* Makefile.in (ipa-reference.o): Add toplev.h dependency.
	* lto-streamer.h (referenced_from_this_partition_p,
	reachable_from_this_partition_p): Declare.

	* gcc.dg/lto/ipareference_1.c: New file.
	* gcc.dg/lto/ipareference_2.c: New file.

From-SVN: r159435

2010-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44038
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
	taking the address of a V_C_E of a constant.

	* gcc.c-torture/compile/pr44038.c: New testcase.

From-SVN: r159434

2010-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/avx-cmpsd-1.c: Add -std=c99.
	* gcc.target/i386/avx-cmpss-1.c: Likewise.

From-SVN: r159432

re PR fortran/43207 ([OOP] invalid (pointer) assignment to and from abstract non-polymorphic expressions)

2010-05-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43207
	PR fortran/43969
	* gfortran.h (gfc_class_null_initializer): New prototype.
	* expr.c (gfc_class_null_initializer): New function to build a NULL
	initializer for CLASS pointers.
	* symbol.c (gfc_build_class_symbol): Modify internal naming of class
	containers. Remove default NULL initialization of $data component.
	* trans.c (gfc_allocate_array_with_status): Fix wording of an error 
	message.
	* trans-expr.c (gfc_conv_initializer,gfc_trans_subcomponent_assign):
	Use new function 'gfc_class_null_initializer'.
	* trans-intrinsic.c (gfc_conv_allocated): Handle allocatable scalar
	class variables.


2010-05-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43207
	PR fortran/43969
	* gfortran.dg/class_18.f03: New.
	* gfortran.dg/class_19.f03: New.

From-SVN: r159431

	* tree.h (memory_identifier_string): Remove.
	* ipa-reference.c: Update comment; do not include gt-ipa-reference.h
	(ipa_reference_global_vars_info_d): Remove statics_not_read and
	statics_not_written.
	(ipa_reference_optimization_summary_d): New structure.
	(ipa_reference_optimization_summary_t): New type and vector.
	(ipa_reference_vars_info_d): Embedd structures instead of using
	pointers.
	(reference_vars_to_consider): Remove out of GGC space.
	(module_statics_escape): Remove.
	(global_info_obstack): Rename to ...
	(optimization_summary_obstack): ... this one.
	(initialization_status_t): Remove.
	(memory_identifier_string): Remove.
	(get_reference_vars_info): Fix indenting.
	(set_reference_vars_info): Likewise.
	(get_reference_optimization_summary): New.
	(set_reference_optimization_summary): New.
	(get_global_reference_vars_info): Remove.
	(ipa_reference_get_read_global): Remove.
	(ipa_reference_get_written_global): Remove.
	(ipa_reference_get_not_read_global): Update.
	(ipa_reference_get_not_written_global): Update.
	(is_proper_for_analysis): Outlaw addressable.
	(propagate_bits): Update for new datastructures.
	(analyze_variable): Remove.
	(init_function_info): Update for new datastructures.
	(clean_function_local_data): Remove.
	(clean_function): Remove.
	(copy_global_bitmap): Use optimizations_summary_obstack.
	(duplicate_node_data): Duplicate optimization summary only.
	(remove_node_data): Remove optimization summary only.
	(generate_summary): Do not analyze variables; do not compute
	module_statics_escape; do not prune solutions by it.
	(read_write_all_from_decl): Fix typos in comments.
	(propagate): Doscover readonly and nonaddressable first;
	update for new datastructures; share global bitmaps.
	* ipa-reference.h (ipa_reference_get_read_global,
	ipa_reference_get_written_global): Remove.
	* ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
	* Makefile.in: Remove ipa-refereference from GT files.

From-SVN: r159430

	PR debug/44112
	* dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
	for all SYMBOL_REF_DECLs.

	* gcc.dg/debug/dwarf2/const-1.c: Remove.
	* g++.dg/debug/dwarf2/const1.C: Remove.

From-SVN: r159429

	C++ DR 475
	* except.c (build_throw): Simplify, adjust for DR 475.

From-SVN: r159428

From-SVN: r159426

From-SVN: r159425

	* cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
	(varpool_all_refs_explicit_p): New inline function.
	* ipa-reference.c: Update comment.
	(module_statics_written): Remove.
	(get_static_decl): Remove.
	(ipa_init): Do not initialize module_statics_written.
	(analyze_function): Likewise.
	(generate_summary): Likewise; do not compute module_statics_readonly
	and do not update variable flags.
	(propagate): Call ipa_discover_readonly_nonaddressable_vars.
	* ipa.c: Inlucde flags.h
	(cgraph_local_node_p): New.
	(cgraph_remove_unreachable_nodes): Return early when not optimizing;
	promote functions to local.
	(ipa_discover_readonly_nonaddressable_vars): New function.
	(function_and_variable_visibility): Use cgraph_local_node_p.
	* varpool.c (varpool_finalize_decl): Set force_output for
	DECL_PRESERVE_P vars.

From-SVN: r159421

2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44135
	* gfortran.dg/actual_array_interface_2.f90: New test.

2010-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44135
	* fortran/interface.c (get_sym_storage_size): Use signed instead of
	unsigned mpz_get_?i routines.

From-SVN: r159415

	PR 44103
	* java-tree.h (START_RECORD_CONSTRUCTOR): Change first argument to a
	vector.  Move call to build_constructor...
	(FINISH_RECORD_CONSTRUCTOR): ...here.  Add necessary arguments.  Clear
	TREE_CONSTANT on the constructor.
	(PUSH_SUPER_VALUE): Change first argument to a vector.
	(PUSH_FIELD_VALUE): Likewise.
	* resource.c (compile_resource_data): Update calls to above macros.
	* constants.c (build_constants_constructor): Likewise.
	* class.c (build_utf8_ref): Likewise.
	(make_field_value): Likewise.
	(make_method_value): Likewise.
	(add_table_and_syms): New function.
	(make_class_data): Call it.  Update calls to above macros.
	(build_symbol_table_entry): New function.
	(build_symbol_entry): Call it.  Update calls to above macros.
	(emit_symbol_table): Likewise.
	(make_catch_class_record): Update calls to above macros.
	(build_assertion_table_entry): New function.
	(add_assertion_table_entry): Call it.
	(emit_assertion_table): Likewise.

From-SVN: r159414

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