2011-03-16  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR lto/48086
	* configure.ac: Re-enable LTO on *-apple-darwin9.
	* configure: Regenerate.

From-SVN: r171058

	PR libfortran/47883
	* acinclude.m4: Don't use AC_TRY_ macros.
	* configure.ac: Likewise.
	* configure: Regenerate.

From-SVN: r171056

 	* tree-vrp.c (identify_jump_threads): Slightly simplify type
 	check for operands of conditional.  Allow type to be a
 	pointer.
 
 
 	* gcc.dg/tree-ssa/vrp55.c: New test.

From-SVN: r171055

	* parser.c (cp_parser_abort_tentative_parse): Make sure we haven't
	committed to this tentative parse.

From-SVN: r171054

	PR c++/47999
	* semantics.c (finish_call_expr): Preserve reference semantics
	in templates.

From-SVN: r171053

From-SVN: r171052

2011-03-16  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/guality/vla-1.c (main): Use result of f1 to avoid
	optimizing it away if promoted to const.

From-SVN: r171050

2011-03-16  Benjamin Kosnik  <bkoz@redhat.com>

	* config/abi/pre/gnu.ver: Add base destructors for stdexcept classes.
	* testsuite/19_diagnostics/stdexcept.cc: New.

From-SVN: r171049

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48149
	* fold-const.c (fold_binary_loc): Fold
	COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.

	* gcc.dg/fold-complex-1.c: New testcase.

From-SVN: r171048

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR testsuite/48147
	* gcc.dg/guality/pr45882.c: Really make sure no inlining
	or cloning happens.

From-SVN: r171047

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/26134
	* tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
	complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
	(non_rewritable_mem_ref_base): Handle complex type component
	accesses, constrain offsets for vector and complex extracts
	more properly.

	* gcc.dg/tree-ssa/complex-6.c: New testcase.

From-SVN: r171046

re PR c/48146 (ICE tree check: expected ssa_name, have var_decl in has_zero_uses, at tree-flow-inline.h:342)

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48146
	* tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
	operands avoiding the need for renaming.

	* gcc.dg/torture/pr48146.c: New testcase.

From-SVN: r171045

2011-03-16  Richard Guenther  <rguenther@suse.de>

	* gimple-fold.c (maybe_fold_reference): Open-code relevant
	constant folding.  Move MEM_REF canonicalization first.
	Rely on fold_const_aggregate_ref for initializer folding.
	* tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.

	* gcc.dg/tree-ssa/pr14814.c: Adjust.
	* gcc.dg/tree-ssa/ssa-ccp-19.c: Likewise.

From-SVN: r171043

	PR middle-end/48136
	* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
	arg0/arg1 or their arguments are always fold converted to matching
	types.

	* gcc.c-torture/compile/pr48136.c: New test.

From-SVN: r171041

	* var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
	to nargs.

From-SVN: r171040

	PR lto/46944
	* configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
	Handle in-tree gold.
	(ld_vers): Extract binutils version for gold.
	(gcc_cv_ld_hidden): Handle gold here.
	(gcc_cv_lto_plugin): Determine level of linker plugin support.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
	-fuse-linker-plugin otherwise.
	(LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
	(LINK_COMMAND_SPEC): Use it.
	(main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.

From-SVN: r171039

	* emit-rtl.c (try_split): Don't call copy_call_info debug hook.
	* calls.c: Remove debug.h include.
	(emit_call_1): Don't call virtual_call_token debug hook.
	* dwarf2out.c (debug_dcall_section, debug_vcall_section,
	dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
	vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
	size_of_dcall_table, output_dcall_table, size_of_vcall_table,
	output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
	vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
	dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
	dwarf2out_virtual_call): Remove.
	(dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
	copy_call_info and virtual_call hooks.
	(dwarf2out_init): Don't initialize vcall_insn_table,
	debug_dcall_section and debug_vcall_section.
	(prune_unused_types): Don't mark nodes from dcall_table.
	(dwarf2out_finish): Don't output dcall or vcall tables.
	* final.c (final_scan_insn): Don't call direct_call or
	virtual_call debug hooks.
	* debug.h (struct gcc_debug_hooks): Remove direct_call,
	virtual_call_token, copy_call_info and virtual_call hooks.
	(debug_nothing_uid): Remove prototype.
	* sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
	copy_call_info and virtual_call hooks.
	* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
	* debug.c (do_nothing_debug_hooks): Likewise.
	(debug_nothing_uid): Remove.
	* doc/invoke.texi (-fenable-icf-debug): Remove.
	* common.opt (-fenable-icf-debug): Likewise.

	* g++.dg/debug/dwarf2/icf.C: Adjust for -fenable-icf-debug removal.

From-SVN: r171037

	* calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
	* var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
	call's MEM.  Handle functions returning aggregate through a hidden
	first pointer.  For virtual calls add clobbered pc to call arguments
	chain.
	* dwarf2out.c (gen_subprogram_die): Emit
	DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
	can't be emitted.

From-SVN: r171036

	PR debug/45882
	* rtl.def (ENTRY_VALUE): Change format from "e" to "0".
	* rtl.h (ENTRY_VALUE_EXP): Define.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
	* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* gengtype.c (adjust_field_rtx_def): Likewise.
	* var-tracking.c (vt_add_function_parameter): Adjust
	gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
	* dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
	* cfgexpand.c (expand_debug_expr): If a SSA_NAME without
	partition is a default definition of a PARM_DECL, use ENTRY_VALUE
	of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.

	* gcc.dg/guality/pr45882.c: New test.

From-SVN: r171035

	* final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
	Call var_location debug hook even on CALL_INSNs.
	(rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
	* rtl.def (ENTRY_VALUE): New.
	* dwarf2out.c: Include cfglayout.h.
	(dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
	output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
	(struct call_arg_loc_node): New type.
	(call_arg_locations, call_arg_loc_last, block_map, call_site_count,
	tail_call_site_count): New variables.
	(dwarf_tag_name): Handle DW_TAG_GNU_call_site and
	DW_TAG_GNU_call_site_parameter.
	(dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
	DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
	DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
	DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
	and DW_AT_GNU_all_source_call_sites.
	(mem_loc_descriptor): Handle ENTRY_VALUE.
	(add_src_coords_attributes): Don't add enything if
	DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
	(dwarf2out_abstract_function): Save and clear call_arg_location,
	call_site_count and tail_call_site_count around dwarf2out_decl call.
	(gen_call_site_die): New function.
	(gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
	(gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
	(dwarf2out_function_decl): Clear call_arg_locations,
	call_arg_loc_last, set call_site_count and tail_call_site_count
	to -1 and free block_map.
	(dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
	CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
	followed by any real instructions.
	(dwarf2out_begin_function): Set call_site_count and
	tail_call_site_count to 0.
	(resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
	is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
	attempt to force a DIE for it and worst case remove the attribute.
	(resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
	check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
	the decl itself.
	* var-tracking.c: Include tm_p.h.
	(vt_stack_adjustments): For calls call note_register_arguments.
	(argument_reg_set): New variable.
	(add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
	ensure the VALUE is resolved.
	(call_arguments): New variable.
	(prepare_call_arguments): New function.
	(add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
	(struct expand_loc_callback_data): Add ignore_cur_loc field.
	(vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
	always use the best expression.
	(vt_expand_loc): Add ignore_cur_loc argument.
	(vt_expand_loc_dummy): Clear ignore_cur_loc field.
	(emit_note_insn_var_location): Adjust vt_expand_loc callers.
	(emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
	note for all calls.
	(vt_add_function_parameter): Use cselib_lookup_from_insn.
	If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
	argument.  Don't call cselib_preserve_only_values and
	cselib_reset_table.
	(note_register_arguments): New function.
	(vt_initialize): Compute argument_reg_set.  Call
	vt_add_function_parameters before processing basic blocks instead of
	afterwards.  For calls call prepare_call_arguments before calling
	cselib_process_insn.
	* print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
	* Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
	(var-tracking.o): Depend on $(TM_P_H).
	* cfglayout.h (insn_scope): New prototype.
	* gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
	* cfglayout.c (insn_scope): No longer static.
	* insn-notes.def (CALL_ARG_LOCATION): New.
	* calls.c (expand_call, emit_library_call_value_1): Put USEs for
	MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
	* integrate.c (set_block_origin_self, set_block_abstract_flags): Do
	nothing for DECL_EXTERNAL BLOCK_VARS.
cp/
	* cp-objcp-common.c (cp_function_decl_explicit_p): Don't crash if
	DECL_LANG_SPECIFIC is NULL.
include/
	* dwarf2.h (DW_TAG_GNU_call_site, DW_TAG_GNU_call_site_parameter,
	DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
	DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered,
	DW_AT_GNU_tail_call, DW_AT_GNU_all_tail_call_sites,
	DW_AT_GNU_all_call_sites,, DW_AT_GNU_all_source_call_sites,
	DW_OP_GNU_entry_value): New.

From-SVN: r171033

	PR target/45844
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
	create invalid offset address for vsx splat insn.
	* config/rs6000/predicates.md (splat_input_operand): New.
	* config/rs6000/vsx.md (vsx_splat_*): Use it.

From-SVN: r171031

From-SVN: r171026

2011-03-15  Benjamin Kosnik  <bkoz@redhat.com>

        * include/std/thread: Revert.
        * src/thread.cc: Same.
        * config/abi/pre/gnu.ver: Same.

From-SVN: r171021

2011-03-15  Doug Kwan  <dougkwan@google.com>

        PR libstdc++/48123
        * include/Makefile.am (install-freestanding-headers): Install
        cpu_defines.h
        * include/Makefile.in: Regenerate.

From-SVN: r171019

2011-03-15  Benjamin Kosnik  <bkoz@redhat.com>

	* config/abi/pre/gnu.ver: Make nested_exception exports super clear.
	Move bad_function_call exports from CXXABI_1.3.5 to GLIBCXX_3.4.15.

From-SVN: r171014

	* pt.c (value_dependent_expression_p) [NOEXCEPT_EXPR]: Don't
	check value_dependent_expression_p on the operand.

From-SVN: r171013

c-family/
	* c-common.c (max_constexpr_depth): New.
	* c-common.h: Declare it.
	* c-opts.c (c_common_handle_option): Set it.
	* c.opt (fconstexpr-depth): New option.
cp/
	* semantics.c (push_cx_call_context): Return bool.
	(cxx_eval_call_expression): Handle excess depth.

From-SVN: r171012

	Core 1191
	* method.c (synthezized_method_walk): Cleanups don't affect the
	triviality of a constructor, but do affect deletion and exception
	specification.

From-SVN: r171011

	* decl2.c (cp_check_const_attributes): New.
	(cplus_decl_attributes): Call cp_check_const_attributes.

From-SVN: r171010

	PR c++/34758
	* call.c (convert_default_arg): Use DECL_ORIGIN of fn.  Check for
	recursion first.
	(push_defarg_context, pop_defarg_context): New.
	* parser.c (cp_parser_late_parsing_default_args): Use them.
	* cp-tree.h: Declare them.

From-SVN: r171009

From-SVN: r171008

From-SVN: r171005

Fixed PR target/46788 and not PR 47688

From-SVN: r171002

Fix PR 47688

2011-03-18  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/47668
	gcc/
	* config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
	in the output template.
	gcc/testsuite/
	* gcc.target/arm/pr47688.c: New.

From-SVN: r171000

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47650
	* tree-pretty-print.c (dump_function_declaration): Properly
	dump unprototyped and varargs function types.

	* gfortran.dg/c_f_pointer_tests_3.f90: Adjust.
	* gfortran.dg/ishft_4.f90: Likewise.
	* gfortran.dg/leadz_trailz_3.f90: Likewise.

From-SVN: r170995

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/13954
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
	and friends.

	* g++.dg/tree-ssa/pr13954.C: New testcase.

From-SVN: r170994

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48037
	* tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
	selects into BIT_FIELD_REFs.
	(non_rewritable_mem_ref_base): Check if a MEM_REF is a
	vector select.

	* gcc.target/i386/pr48037-1.c: New testcase.

From-SVN: r170986

	PR tree-optimization/48129
	* builtins.c (fold_builtin_snprintf): Convert to type of
	built_in_decls[BUILT_IN_SNPRINTF] retval instead of
	implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.

From-SVN: r170985

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41490
	* tree-ssa-dce.c (propagate_necessity): Handle returns without
	value but with VUSE.
	* tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
	return statements.
	* tree-ssa-sink.c (statement_sink_location): Fix store sinking.
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
	* tree-tailcall.c (find_tail_calls): Ignore returns.

	* gcc.dg/tree-ssa/ssa-sink-6.c: New testcase.
	* gcc.dg/tree-ssa/ssa-sink-7.c: Likewise.
	* gcc.dg/tree-ssa/ssa-sink-8.c: Likewise.
	* gcc.dg/tree-ssa/ssa-sink-9.c: Likewise.
	* g++.dg/tree-ssa/pr33604.C: Adjust.

From-SVN: r170984

re PR tree-optimization/48031 (gcc.c-torture/compile/pr42956.c ICEs gcc on m68k-linux, ivopts related?)

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48031
	* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
	or variable-indexed array accesses when in gimple form.

From-SVN: r170983