* Makefile.in (cfgexpand.o): Depend on $(INSN_ATTR_H).
	* genattrtab.c (check_tune_attr, find_tune_attr): New functions.
	(make_automaton_attrs): If find_tune_attr returns non-NULL,
	write separate internal_dfa_insn_code_* and insn_default_latency_*
	functions for each attribute's value and emit init_sched_attrs
	function and function pointers.
	* genattr.c (const_attrs, reservations): New variables.
	(gen_attr): Add const attributes to const_attrs vector.
	(check_tune_attr, find_tune_attr): New functions.
	(main): Add reservations to reservations vector.  If find_tune_attr
	returns true, add prototype for init_sched_attrs and make
	internal_dfa_insn_code and insn_default_latency function pointers,
	otherwise define init_sched_attrs as dummy macro.
	* cfgexpand.c: Include insn-attr.h.
	(gimple_expand_cfg): Call init_sched_attrs.

From-SVN: r161093

	* function.h (struct function): Add can_throw_non_call_exceptions bit.
	* lto-streamer-in.c (input_function): Stream it in.
	* lto-streamer-out.c (output_function): Stream it out.
	* function.c (allocate_struct_function): Set it.
	(expand_function_end): Substitute cfun->can_throw_non_call_exceptions
	for flag_non_call_exceptions.
	* cfgbuild.c (control_flow_insn_p): Likewise.
	(make_edges): Likewise.
	* cfgexpand.c (expand_stack_alignment): Likewise.
	* combine.c (distribute_notes): Likewise.
	* cse.c (cse_extended_basic_block): Likewise.
	* except.c (insn_could_throw_p): Likewise.
	* gcse.c (simple_mem): Likewise.
	* ipa-pure-const.c (check_call): Likewise.
	(check_stmt ): Likewise.
	* lower-subreg.c (lower-subreg.c): Likewise.
	* optabs.c (emit_libcall_block): Likewise.
	(prepare_cmp_insn): Likewise.
	* postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
	* postreload.c (rest_of_handle_postreload): Likewise.
	* reload1.c (reload_as_needed): Likewise.
	(emit_input_reload_insns): Likewise.
	(emit_output_reload_insns): Likewise.
	(fixup_abnormal_edges): Likewise.
	* sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
	* store-motion.c (find_moveable_store): Likewise.
	* tree-eh.c (stmt_could_throw_p): Likewise.
	(tree_could_throw_p): Likewise.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* config/arm/arm.c (arm_expand_prologue): Likewise.
	(thumb1_expand_prologue): Likewise.
	* config/rx/rx.md (cbranchsf4): Likewise.
	(cmpsf): Likewise.
	* config/s390/s390.c (s390_emit_prologue): Likewise.
	* tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
	(inline_forbidden_into_p): New predicate.
	(expand_call_inline): Use it to forbid inlining.
	(tree_can_inline_p): Likewise.

From-SVN: r159847

gcc/ChangeLog:
	* coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
	New core types.
	* sbitmap.h (struct sbitmap_def): Do not typedef here.
	* sbitmap.c: Include sbitmap.h.
	* basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
	hard-reg-set.h.  Split everything related to regsets out from here...
	* regset.h: ...to here.  New file.
	* df.h: Include regset.h and sbitmap.h.
	* tree-flow.h: Likewise.
	* cfgloop.h: Likewise.
	* except.h: Do not include sbitmap.h.  Include hashtab.h.
	* cgraph.h: Include vec.h and function.h.
	* reload.h (struct insn_chain): Change types of live_throughout
	and dead_or_set from regset_head to bitmap_head.
	(compute_use_by_pseudos): Be defined also if regset.h is not included.
	* ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
	spilled_regs from regset_head to bitmap_head to avoid dependency
	in regset.h.
	* sel-sched-ir.h: Include regset.h.
	* reload.c: Include df.h before reload.h.
	* caller-save.c: Likewise.
	* reload1.c: Likewise.
	* ira.c: Likewise.
	(mark_elimination): Update type of r to bitmap, consistent with
	DF_LR_IN.
	* dominance.c: Include bitmap.h.
	* modulo-sched.c: Include df.h.
	* cfganal.c: Include bitmap.h and sbitmap.h.
	* cfgbuild.c: Include sbitmap.h.
	* lcm.c: Include sbitmap.h.
	* gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
	* domwalk.c: Include sbitmap.h, exclude ggc.h.
	* cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
	* cselib.c: Include bitmap.h.
	* tree-optimize.c: Include regset.h.
	* stmt.c: Include bitmap.h.
	* Makefile.in: Update dependencies.

cp/ChangeLog
	* semantics.c: Include bitmap.h.
	* Make-lang.in: Update dependencies.

From-SVN: r159746

	* diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
	langhooks-def.h.
	(diagnostic_initialize): Initialize x_data not last_function.
	(diagnostic_report_current_function): Move to tree-diagnostic.c.
	(default_diagnostic_starter): Call
	diagnostic_report_current_module not
	diagnostic_report_current_function.
	(diagnostic_report_diagnostic): Initialize x_data not
	abstract_origin.
	(verbatim): Likewise.
	* diagnostic.h (struct diagnostic_info): Change abstract_origin to
	x_data.
	(struct diagnostic_context): Change last_function to x_data.
	(diagnostic_auxiliary_data): Replace with
	diagnostic_context_auxiliary_data and
	diagnostic_info_auxiliary_data.
	(diagnostic_last_function_changed, diagnostic_set_last_function,
	diagnostic_report_current_function): Move to tree-diagnostic.h.
	(print_declaration, dump_generic_node, print_generic_stmt,
	print_generic_stmt_indented, print_generic_expr,
	print_generic_decl, debug_c_tree, dump_omp_clauses,
	print_call_name, debug_generic_expr, debug_generic_stmt,
	debug_tree_chain, default_tree_printer): Move to
	tree-pretty-print.h.
	(debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
	print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
	gimple-pretty-print.h.
	* pretty-print.c: Don't include tree.h
	(pp_base_format): Don't handle %K here.
	(pp_base_tree_identifier): Move to tree-pretty-print.c.
	* pretty-print.h (text_info): Change abstract_origin to x_data.
	(pp_tree_identifier, pp_unsupported_tree,
	pp_base_tree_identifier): Move to tree-pretty-print.h.
	* gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
	tree-pretty-print.h: New files.
	* tree-pretty-print.c: Include tree-pretty-print.h.
	(percent_K_format): New.  Moved from pretty-print.c.
	(pp_base_tree_identifier): Move from pretty-print.c.
	* c-objc-common.c: Include tree-pretty-print.h.
	(c_tree_printer): Handle %K here.
	* langhooks.c: Include tree-diagnostic.h.
	(lhd_print_error_function): Use diagnostic_abstract_origin macro.
	* toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
	(default_tree_printer): Handle %K using percent_K_format.
	(general_init): Use default_tree_diagnostic_starter.
	* tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
	(free_lang_data): Use default_tree_diagnostic_starter.
	* c-pretty-print.c: Include tree-pretty-print.h.
	* cfgexpand.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* cgraphunit.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* dwarf2out.c: Include tree-pretty-print.h.
	* except.c: Include tree-pretty-print.h.
	* gimple-pretty-print.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* gimplify.c: Include tree-pretty-print.h.
	* graphite-poly.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* ipa-cp.c: Include tree-pretty-print.h.
	* ipa-inline.c: Include gimple-pretty-print.h.
	* ipa-prop.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* ipa-pure-const.c: Include gimple-pretty-print.h.
	* ipa-struct-reorg.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* ipa-type-escape.c: Include tree-pretty-print.h.
	* print-rtl.c: Include tree-pretty-print.h.
	* print-tree.c: Include gimple-pretty-print.h.
	* sese.c: Include tree-pretty-print.h.
	* tree-affine.c: Include tree-pretty-print.h.
	* tree-browser.c: Include tree-pretty-print.h.
	* tree-call-cdce.c: Include gimple-pretty-print.h.
	* tree-cfg.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-chrec.c: Include tree-pretty-print.h.
	* tree-data-ref.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-dfa.c: Include tree-pretty-print.h.
	* tree-if-conv.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-inline.c: Include tree-pretty-print.h.
	* tree-into-ssa.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-nrv.c: Include tree-pretty-print.h.
	* tree-object-size.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-outof-ssa.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-parloops.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-predcom.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-scalar-evolution.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-sra.c: Include tree-pretty-print.h.
	* tree-ssa-address.c: Include tree-pretty-print.h.
	* tree-ssa-alias.c: Include tree-pretty-print.h.
	* tree-ssa-ccp.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-coalesce.c: Include tree-pretty-print.h.
	* tree-ssa-copy.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-copyrename.c: Include tree-pretty-print.h.
	* tree-ssa-dce.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-dom.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-dse.c: Include gimple-pretty-print.h.
	* tree-ssa-forwprop.c: Include tree-pretty-print.h.
	* tree-ssa-ifcombine.c: Include tree-pretty-print.h.
	* tree-ssa-live.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-loop-im.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-loop-niter.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
	* tree-ssa-math-opts.c: Include gimple-pretty-print.h.
	* tree-ssa-operands.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-phiprop.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-pre.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-propagate.c: Include gimple-pretty-print.h.
	* tree-ssa-reassoc.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-sccvn.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-sink.c: Include gimple-pretty-print.h.
	* tree-ssa-ter.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-ssa-uninit.c: Include gimple-pretty-print.h.
	* tree-ssa.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-stdarg.c: Include gimple-pretty-print.h.
	* tree-switch-conversion.c: Include gimple-pretty-print.h.
	* tree-tailcall.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vect-data-refs.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vect-loop-manip.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vect-loop.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vect-patterns.c: Include gimple-pretty-print.h.
	* tree-vect-slp.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vect-stmts.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* tree-vectorizer.c: Include tree-pretty-print.h.
	* tree-vrp.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* value-prof.c: Include tree-pretty-print.h and
	gimple-pretty-print.h.
	* var-tracking.c: Include tree-pretty-print.h.
	* Makefile.in (OBJS-common): Add tree-diagnostic.o.
	(tree-diagnostic.o): New dependencies.
	(c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
	tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
	tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
	tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
	tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
	tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
	tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
	tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
	tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
	tree-ssa-address.o, tree-ssa-loop-niter.o,
	tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
	tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
	tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
	gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
	tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
	tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
	tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
	tree-parloops.o, tree-stdarg.o, tree-object-size.o,
	gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
	toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
	ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
	ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
	tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
	tree-switch-conversion.o, var-tracking.o, value-prof.o,
	cfgexpand.o, pretty-print.o): Update dependencies.

cp:
	* error.c: Include tree-diagnostic.h and tree-pretty-print.h.
	(cp_print_error_function): Use diagnostic_abstract_origin macro.
	(cp_printer): Handle %K here using percent_K_format.
	* cxx-pretty-print.c: Include tree-pretty-print.h.
	* Make-lang.in (cp/error.o, cp/cxx-pretty-print.o): Update
	dependencies.

From-SVN: r159685

	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

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

* cfgexpand.c (expand_debug_expr): Check for mismatched modes in
POINTER_PLUS_EXPR and fix them.

From-SVN: r158532

2010-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add
	is_fn_info flag.
	(new_var_info): Initialize it.
	(dump_constraints): Support printing last added constraints.
	(debug_constraints): Adjust.
	(dump_constraint_graph): Likewise.
	(make_heapvar_for): Check for NULL cfun.
	(get_function_part_constraint): New function.
	(get_fi_for_callee): Likewise.
	(find_func_aliases): Properly implement IPA PTA constraints.
	(process_ipa_clobber): New function.
	(find_func_clobbers): Likewise.
	(insert_into_field_list_sorted): Remove.
	(create_function_info_for): Properly allocate vars for IPA mode.
	Do not use insert_into_field_list_sorted.
	(create_variable_info_for): Properly generate constraints for
	global vars in IPA mode.
	(dump_solution_for_var): Always dump the solution.
	(set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
	(find_what_var_points_to): Adjust.
	(pt_solution_set): Change.
	(pt_solution_ior_into): New function.
	(pt_solution_empty_p): Export.
	(pt_solution_includes_global): Adjust.
	(pt_solution_includes_1): Likewise.
	(pt_solutions_intersect_1): Likewise.
	(dump_sa_points_to_info): Check some invariants.
	(solve_constraints): Move constraint dumping ...
	(compute_points_to_sets): ... here.
	(ipa_pta_execute): ... and here.
	(compute_may_aliases): Do not re-compute points-to info
	locally if IPA info is available.
	(ipa_escaped_pt): New global var.
	(ipa_pta_execute): Properly implement IPA PTA.
	* tree-into-ssa.c (dump_decl_set): Support dumping
	decls not in referenced-vars.
	* tree-flow.h (struct gimple_df): Add ipa_pta flag.
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
	(dump_points_to_solution): Likewise.
	* tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
	* tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
	(remap_gimple_stmt): Reset call clobber/use information if
	necessary.
	(copy_decl_to_var): Copy DECL_PT_UID.
	(copy_result_decl_to_var): Likewise.
	* tree.c (make_node_stat): Initialize DECL_PT_UID.
	(copy_node_stat): Copy it.
	* tree.h (DECL_PT_UID): New macro.
	(SET_DECL_PT_UID): Likewise.
	(DECL_PT_UID_SET_P): Likewise.
	(struct tree_decl_minimal): Add pt_uid member.
	* tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
	(pt_solution_empty_p): Declare.
	(pt_solution_set): Adjust.
	(ipa_escaped_pt): Declare.
	* cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
	* gimple-pretty-print.c (pp_points_to_solution): New function.
	(dump_gimple_call): Dump call clobber/use information.
	* tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
	* tree-pass.h (TDF_ALIAS): New dump option.
	* tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
	* doc/invoke.texi (-fipa-pta): Update documentation.

	* gcc.dg/ipa/ipa-pta-1.c: New testcase.
	* gcc.dg/ipa/ipa-pta-2.c: Likewise.
	* gcc.dg/ipa/ipa-pta-3.c: Likewise.
	* gcc.dg/ipa/ipa-pta-4.c: Likewise.
	* gcc.dg/ipa/ipa-pta-5.c: Likewise.
	* gcc.dg/ipa/ipa-pta-6.c: Likewise.
	* gcc.dg/ipa/ipa-pta-7.c: Likewise.
	* gcc.dg/ipa/ipa-pta-8.c: Likewise.
	* gcc.dg/ipa/ipa-pta-9.c: Likewise.
	* gcc.dg/ipa/ipa-pta-10.c: Likewise.
	* gcc.dg/ipa/ipa-pta-11.c: Likewise.
	* gcc.dg/ipa/ipa-pta-12.c: Likewise.
	* gcc.dg/ipa/ipa-pta-13.c: Likewise.
	* gcc.dg/torture/ipa-pta-2.c: Likewise.
	* gcc.dg/torture/ipa-pta-1.c: Adjust.

From-SVN: r158374

	
	* cfgexpand.c (gimple_expand_cfg): Clarify warning message text.

From-SVN: r158256

2010-04-12  Richard Guenther  <rguenther@suse.de>

	* gsstruct.def (GSS_CALL): New.
	* gimple.def (GIMPLE_CALL): Change to GSS_CALL.
	* gimple.h: Include tree-ssa-alias.h.
	(struct gimple_statement_call): New.
	(union gimple_statement_struct_d): Add gimple_call member.
	(gimple_call_reset_alias_info): Declare.
	(gimple_call_use_set): New function.
	(gimple_call_clobber_set): Likewise.
	* Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
	* gimple.c (gimple_call_reset_alias_info): New function.
	(gimple_build_call_1): Call it.
	* lto-streamer-in.c (input_gimple_stmt): Likewise.
	* tree-inline.c (remap_gimple_stmt): Likewise.
	(expand_call_inline): Remove callused handling.
	* cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
	* tree-dfa.c (dump_variable): Likewise.
	* tree-parloops.c (parallelize_loops): Likewise.
	* tree-ssa.c (init_tree_ssa): Likewise.
	(delete_tree_ssa): Likewise.
	* tree-flow-inline.h (is_call_used): Remove.
	* tree-flow.h (struct gimple_df): Remove callused member.
	* tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
	* tree-ssa-alias.c (dump_alias_info): Remove callused handling.
	(ref_maybe_used_by_call_p_1): Simplify.
	(call_may_clobber_ref_p_1): Likewise.
	* tree-ssa-structalias.c (compute_points_to_sets): Set
	the call stmt used and clobbered sets.
	* tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
	(find_tail_calls): Verify the tail call.

From-SVN: r158227

	PR debug/43670
	* cfgexpand.c (expand_debug_expr): If for non-NULL offset
	op0 is not a MEM, just return NULL instead of assertion
	failure.
	(discover_nonconstant_array_refs): Don't walk debug stmts.

	* gcc.dg/pr43670.c: New test.

From-SVN: r158108

	PR debug/43557
	* cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
	BLKmode.

	* gcc.dg/pr43557-1.c: New test.
	* gcc.dg/pr43557-2.c: New file.

From-SVN: r157852

	PR debug/19192
	PR debug/43479
	* cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
	from gimple_block.
	* expr.c (expand_expr_real): Restore previous
	curr_insn_source_location and curr_insn_block after
	expand_expr_real_1 call.
	(expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
	instead of expand_expr_real_1.

	* gcc.dg/guality/pr43479.c: New test.
	* gcc.dg/debug/dwarf2/inline2.c (third): Make a a global var
	and add volatile keyword.

From-SVN: r157693

	* tree.h: Declare make_decl_rtl_for_debug.
	* varasm.c (make_decl_rtl_for_debug): New.
	* dwarf2out.c (rtl_for_decl_location): Call it.
	* cfgexpand.c (expand_debug_expr): Call it.

From-SVN: r157551

	PR debug/43229
	* cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
	WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
	ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
	FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.

	* gfortran.dg/pr43229.f90: New test.

From-SVN: r157191

cfgexpand.c (expand_used_vars): If an artificial non-ignored var has no rtl yet when processing local_decls...

	* cfgexpand.c (expand_used_vars): If an artificial non-ignored var
	has no rtl yet when processing local_decls, queue it and recheck
	if deferred stack allocation hasn't assigned it rtl.

From-SVN: r157132

	PR debug/43166
	* cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
	BLKmode, assert op0 is a MEM and just adjust its mode.

	* trans-common.c (build_common_decl): Also update DECL_MODE,
	and DECL_SIZE when encountering a larger common block and call
	layout_decl.

	* gfortran.dg/debug/pr43166.f: New test.

From-SVN: r157063

	PR debug/43165
	* cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
	if bitpos isn't multiple of mode's bitsize.

	* gcc.dg/torture/pr43165.c: New test.

From-SVN: r157062

	PR debug/42800
	* cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
	in cfun->local_decls even if they have register types.

From-SVN: r157014

	PR debug/43077
	* cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
	(expand_gimple_basic_block): Generate and use debug temps if there
	are debug uses left after the last real use of TERed ssa names.
	Unlink debug immediate uses when they are expanded.

testsuite/
	PR debug/43077
	* gcc.dg/guality/pr43077-1.c: New test.

From-SVN: r157009

	PR middle-end/42233
	* expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
	do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
	* dojump.c: Include output.h.
	(inv): New inline function.
	(jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
	do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
	do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
	do_jump_by_parts_equality, do_compare_and_jump): Add PROB
	argument, pass it down to other calls.
	(do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
	add REG_BR_PROB note to the conditional jump.
	* cfgexpand.c (add_reg_br_prob_note): Removed.
	(expand_gimple_cond): Don't call it, add the probability
	as last argument to jumpif_1/jumpifnot_1.
	* Makefile.in (dojump.o): Depend on output.h.
	* builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
	callers.
	* expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
	* stmt.c (do_jump_if_equal): Likewise.
	* cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
	* loop-unswitch.c (compare_and_jump_seq): Likewise.
	* config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
	Likewise.
	* optabs.c (expand_doubleword_shift, expand_abs): Likewise.
	* expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
	jumpifnot_1 callers.
	(expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
	callers.
	(store_expr): Adjust jumpifnot caller.
	(store_constructor): Adjust jumpif caller.

From-SVN: r156889

re PR lto/41664 (FAIL: gfortran.dg/lto/pr40725 f_lto_pr40725_0.o-f_lto_pr40725_1.o execute -O2 -fwhopr and -flto)

2010-02-11  Richard Guenther  <rguenther@suse.de>

	PR lto/41664
	* tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
	pointer-vs-decl case by swapping refs.  Handle some cases
	of pointer-vs-decl disambiguations more conservatively.
	* cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
	to false after expanding.

From-SVN: r156699

2010-01-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39954
	* cfgexpand.c (expand_call_stmt): TER pointer arguments in
	builtin calls.

From-SVN: r156008

2010-01-13  Richard Guenther  <rguenther@suse.de>

	PR lto/42678
	* tree-pass.h (PROP_gimple_lcx): New.
	* cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
	* passes.c (init_optimization_passes): Move pass_lower_complex_O0
	before the final cleanup_eh.
	(dump_properties): Dump PROP_gimple_lcx.
	* tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
	(tree_lower_complex_O0): Remove.
	(gate_no_optimization): Run if PROP_gimple_lcx is not set.
	(pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
	tree_lower_complex, schedule TODO_update_ssa.
	* lto-streamer-out.c (output_function): Stream the functions
	properties.
	* lto-streamer-in.c (input_function): Likewise.
	(lto_read_body): Do not override them here.

	* gfortran.dg/lto/20100110-1_0.f90: New testcase.

From-SVN: r155853

	PR other/42611
	* cfgexpand.c (expand_one_var): Diagnose too large variables.

	* gcc.dg/pr42611.c: New test.

From-SVN: r155641

	PR tree-optimization/42027
	* cfgexpand.c (expand_gimple_cond): Use jumpy sequence for &, &&, |
	and || if jumps are cheap.

From-SVN: r155367

	* cfgexpand.c (expand_debug_expr) <INDIRECT_REF>: Remove overzealous
	assertion and useless code.
	<TARGET_MEM_REF>: Likewise.

From-SVN: r155229

	PR middle-end/38474
	* cfgexpand.c (struct stack_var): Add conflicts member.
	(stack_vars_conflict, stack_vars_conflict_alloc,
	n_stack_vars_conflict): Remove.
	(add_stack_var): Initialize conflicts member.
	(triangular_index, resize_stack_vars_conflict): Remove.
	(add_stack_var_conflict, stack_var_conflict_p): Rewrite in
	terms of new member.
	(union_stack_vars): Only run over the conflicts.
	(partition_stack_vars): Remove special case.
	(expand_used_vars_for_block): Don't call resize_stack_vars_conflict,
	don't create self-conflicts.
	(account_used_vars_for_block): Don't create any conflicts.
	(fini_vars_expansion): Free bitmaps, don't free or clear removed
	globals.

From-SVN: r154945

        PR rtl-optimization/42084
        * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
        use it to stop walking.
        (expand_gimple_cond): Adjust call to above.

testsuite/
        * gcc.dg/pr42084.c: New test.

From-SVN: r154709

	* cfgexpand (n_stack_vars_conflict): New static variable.
	(triangular_index): Reduce likelyhood of overflow by performing
	the division before the multiplication.
	(resize_stack_vars_conflict): Call fatal_error if overflow
	occurred in triangular_index.  Update n_stack_vars_conflict.

From-SVN: r154689

2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>

	* alias.c: Remove trailing white spaces.
	* alloc-pool.c: Likewise.
	* alloc-pool.h: Likewise.
	* attribs.c: Likewise.
	* auto-inc-dec.c: Likewise.
	* basic-block.h: Likewise.
	* bb-reorder.c: Likewise.
	* bt-load.c: Likewise.
	* builtins.c: Likewise.
	* builtins.def: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-cppbuiltin.c: Likewise.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-lex.c: Likewise.
	* c-omp.c: Likewise.
	* c-opts.c: Likewise.
	* c-parser.c: Likewise.
	* c-pretty-print.c: Likewise.
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.
	* caller-save.c: Likewise.
	* calls.c: Likewise.
	* cfg.c: Likewise.
	* cfganal.c: Likewise.
	* cfgexpand.c: Likewise.
	* cfghooks.c: Likewise.
	* cfghooks.h: Likewise.
	* cfglayout.c: Likewise.
	* cfgloop.c: Likewise.
	* cfgloop.h: Likewise.
	* cfgloopmanip.c: Likewise.
	* cfgrtl.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* cgraphbuild.c: Likewise.
	* cgraphunit.c: Likewise.
	* cif-code.def: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* convert.c: Likewise.
	* coverage.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* cselib.c: Likewise.
	* dbgcnt.c: Likewise.
	* dbgcnt.def: Likewise.
	* dbgcnt.h: Likewise.
	* dbxout.c: Likewise.
	* dce.c: Likewise.
	* ddg.c: Likewise.
	* ddg.h: Likewise.
	* defaults.h: Likewise.
	* df-byte-scan.c: Likewise.
	* df-core.c: Likewise.
	* df-problems.c: Likewise.
	* df-scan.c: Likewise.
	* df.h: Likewise.
	* dfp.c: Likewise.
	* diagnostic.c: Likewise.
	* diagnostic.h: Likewise.
	* dominance.c: Likewise.
	* domwalk.c: Likewise.
	* double-int.c: Likewise.
	* double-int.h: Likewise.
	* dse.c: Likewise.
	* dwarf2asm.c: Likewise.
	* dwarf2asm.h: Likewise.
	* dwarf2out.c: Likewise.
	* ebitmap.c: Likewise.
	* ebitmap.h: Likewise.
	* emit-rtl.c: Likewise.
	* et-forest.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* final.c: Likewise.
	* flags.h: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* fwprop.c: Likewise.
	* gcc.c: Likewise.
	* gcov-dump.c: Likewise.
	* gcov-io.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genattr.c: Likewise.
	* genattrtab.c: Likewise.
	* genautomata.c: Likewise.
	* genchecksum.c: Likewise.
	* genconfig.c: Likewise.
	* genflags.c: Likewise.
	* gengtype-parse.c: Likewise.
	* gengtype.c: Likewise.
	* gengtype.h: Likewise.
	* genmddeps.c: Likewise.
	* genmodes.c: Likewise.
	* genopinit.c: Likewise.
	* genpreds.c: Likewise.
	* gensupport.c: Likewise.
	* ggc-common.c: Likewise.
	* ggc-page.c: Likewise.
	* ggc-zone.c: Likewise.
	* ggc.h: Likewise.
	* gimple-iterator.c: Likewise.
	* gimple-low.c: Likewise.
	* gimple-pretty-print.c: Likewise.
	* gimple.c: Likewise.
	* gimple.def: Likewise.
	* gimple.h: Likewise.
	* gimplify.c: Likewise.
	* graphds.c: Likewise.
	* graphite-clast-to-gimple.c: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix.c: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr.h: Likewise.
	* haifa-sched.c: Likewise.
	* hard-reg-set.h: Likewise.
	* hooks.c: Likewise.
	* hooks.h: Likewise.
	* hosthooks.h: Likewise.
	* hwint.h: Likewise.
	* ifcvt.c: Likewise.
	* incpath.c: Likewise.
	* init-regs.c: Likewise.
	* integrate.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-reference.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa-struct-reorg.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* ipa-utils.c: Likewise.
	* ipa-utils.h: Likewise.
	* ipa.c: Likewise.
	* ira-build.c: Likewise.
	* ira-color.c: Likewise.
	* ira-conflicts.c: Likewise.
	* ira-costs.c: Likewise.
	* ira-emit.c: Likewise.
	* ira-int.h: Likewise.
	* ira-lives.c: Likewise.
	* ira.c: Likewise.
	* jump.c: Likewise.
	* lambda-code.c: Likewise.
	* lambda-mat.c: Likewise.
	* lambda-trans.c: Likewise.
	* lambda.h: Likewise.
	* langhooks.c: Likewise.
	* lcm.c: Likewise.
	* libgcov.c: Likewise.
	* lists.c: Likewise.
	* loop-doloop.c: Likewise.
	* loop-init.c: Likewise.
	* loop-invariant.c: Likewise.
	* loop-iv.c: Likewise.
	* loop-unroll.c: Likewise.
	* lower-subreg.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-compress.c: Likewise.
	* lto-opts.c: Likewise.
	* lto-section-in.c: Likewise.
	* lto-section-out.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-streamer-out.c: Likewise.
	* lto-streamer.c: Likewise.
	* lto-streamer.h: Likewise.
	* lto-symtab.c: Likewise.
	* lto-wpa-fixup.c: Likewise.
	* matrix-reorg.c: Likewise.
	* mcf.c: Likewise.
	* mode-switching.c: Likewise.
	* modulo-sched.c: Likewise.
	* omega.c: Likewise.
	* omega.h: Likewise.
	* omp-low.c: Likewise.
	* optabs.c: Likewise.
	* optabs.h: Likewise.
	* opts-common.c: Likewise.
	* opts.c: Likewise.
	* params.def: Likewise.
	* params.h: Likewise.
	* passes.c: Likewise.
	* plugin.c: Likewise.
	* postreload-gcse.c: Likewise.
	* postreload.c: Likewise.
	* predict.c: Likewise.
	* predict.def: Likewise.
	* pretty-print.c: Likewise.
	* pretty-print.h: Likewise.
	* print-rtl.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.
	* read-rtl.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* regcprop.c: Likewise.
	* reginfo.c: Likewise.
	* regmove.c: Likewise.
	* regrename.c: Likewise.
	* regs.h: Likewise.
	* regstat.c: Likewise.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* resource.c: Likewise.
	* rtl.c: Likewise.
	* rtl.def: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.
	* sbitmap.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-ebb.c: Likewise.
	* sched-int.h: Likewise.
	* sched-rgn.c: Likewise.
	* sched-vis.c: Likewise.
	* sdbout.c: Likewise.
	* sel-sched-dump.c: Likewise.
	* sel-sched-dump.h: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* sel-sched.c: Likewise.
	* sel-sched.h: Likewise.
	* sese.c: Likewise.
	* sese.h: Likewise.
	* simplify-rtx.c: Likewise.
	* stack-ptr-mod.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* store-motion.c: Likewise.
	* stringpool.c: Likewise.
	* stub-objc.c: Likewise.
	* sync-builtins.def: Likewise.
	* target-def.h: Likewise.
	* target.h: Likewise.
	* targhooks.c: Likewise.
	* targhooks.h: Likewise.
	* timevar.c: Likewise.
	* tlink.c: Likewise.
	* toplev.c: Likewise.
	* toplev.h: Likewise.
	* tracer.c: Likewise.
	* tree-affine.c: Likewise.
	* tree-affine.h: Likewise.
	* tree-browser.def: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-chrec.c: Likewise.
	* tree-chrec.h: Likewise.
	* tree-complex.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-dfa.c: Likewise.
	* tree-dump.c: Likewise.
	* tree-dump.h: Likewise.
	* tree-eh.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-flow.h: Likewise.
	* tree-if-conv.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-loop-linear.c: Likewise.
	* tree-mudflap.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-nomudflap.c: Likewise.
	* tree-nrv.c: Likewise.
	* tree-object-size.c: Likewise.
	* tree-optimize.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-pass.h: Likewise.
	* tree-phinodes.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-profile.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree-ssa-copy.c: Likewise.
	* tree-ssa-copyrename.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-ifcombine.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-ssa-loop-ch.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-loop-unswitch.c: Likewise.
	* tree-ssa-loop.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-operands.c: Likewise.
	* tree-ssa-operands.h: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-sink.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa-ter.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-uncprop.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-tailcall.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-generic.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* tree-vectorizer.c: Likewise.
	* tree-vectorizer.h: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.
	* tree.def: Likewise.
	* tree.h: Likewise.
	* treestruct.def: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.
	* value-prof.c: Likewise.
	* value-prof.h: Likewise.
	* var-tracking.c: Likewise.
	* varasm.c: Likewise.
	* varpool.c: Likewise.
	* vec.c: Likewise.
	* vec.h: Likewise.
	* vmsdbgout.c: Likewise.
	* web.c: Likewise.
	* xcoffout.c: Likewise.

From-SVN: r154645

	* tree.h (union tree_ann_d): Don't declare.
	(tree_base): Remove ann field.
	(struct var_ann_d): Declare forward.
	(tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field.
	(DECL_VAR_ANN_PTR): New macro.
	* tree-dfa.c (create_var_ann): Rewrite in terms of above macro,
	accept only VAR, PARM or RESULT decls.
	(create_tree_common_ann): Remove.
	(remove_referenced_var): Use DECL_VAR_ANN_PTR.
	* tree-eh.c (lookup_expr_eh_lp): Remove.
	* tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of
	DECL_VAR_ANN_PTR.
	(ann_type, tree_common_ann, get_tree_common_ann): Remove.
	* tree-flow.h (enum tree_ann_type): Remove.
	(struct tree_ann_common_d): Remove.
	(struct var_ann_d): Remove common field.
	(union tree_ann_d): Remove.
	(tree_ann_t, tree_ann_common_t): Remove typedefs.
	(tree_common_ann, get_tree_common_ann, ann_type,
	create_tree_common_ann, lookup_expr_eh_lp): Don't declare.
	* tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR.
	* tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR.
	* builtins.c (expand_builtin_memcpy): Use
	currently_expanding_gimple_stmt instead of tree annotation.
	(expand_builtin_memset_args): Ditto.
	* cfgexpand.c (currently_expanding_gimple_stmt): Add global variable.
	(expand_call_stmt): Don't set tree annotation.
	(expand_gimple_basic_block): Set currently_expanding_gimple_stmt.
	* expr.c (expand_expr_real): Don't call lookup_expr_eh_lp.
	* gimple.h (currently_expanding_gimple_stmt): Declare.

From-SVN: r154502

PR middle-end/41440
* cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
single successor block, ending with jump created by RTL expander.

From-SVN: r154112

	PR debug/41893
	* cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
	for a VOIDmode variable.

	* gcc.dg/debug/pr41893-1.c: New test.
	* gcc.dg/debug/pr41893-2.c: New file.

From-SVN: r153806

gcc/

2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40836
	* cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
	first.  Move assert on stack_alignment_estimated just before
	setting stack_realign_needed.
	(gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
	Don't call update_stack_boundary.

	* config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
	(verride_options): Don't check ix86_force_align_arg_pointer here.
	(ix86_function_ok_for_sibcall): Use it.
	(ix86_update_stack_boundary): Likewise.

	* config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.

gcc/testsuite/

2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40838
	* gcc.target/i386/incoming-6.c: New.
	* gcc.target/i386/incoming-7.c: Likewise.
	* gcc.target/i386/incoming-8.c: Likewise.
	* gcc.target/i386/incoming-9.c: Likewise.
	* gcc.target/i386/incoming-10.c: Likewise.
	* gcc.target/i386/incoming-11.c: Likewise.
	* gcc.target/i386/incoming-12.c: Likewise.
	* gcc.target/i386/incoming-13.c: Likewise.
	* gcc.target/i386/incoming-14.c: Likewise.
	* gcc.target/i386/incoming-15.c: Likewise.
	* gcc.target/i386/pr37843-4.c: Likewise.

From-SVN: r153750

2009-10-26  Ben Elliston  <bje@au.ibm.com>
	    Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Ulrich Weigand  <uweigand@de.ibm.com>

	* doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
	(TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
	(TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.

	* target.h (struct target_def): Add pointer_mode, address_mode,
	and valid_pointer_mode to addr_space substructure.
	* target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
	(TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
	(TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
	(TARGET_ADDR_SPACE_HOOKS): Add them.
	* targhooks.c (target_default_pointer_address_modes_p): New function.
	* target.h (target_default_pointer_address_modes_p): Add prototype.
	* targhooks.c (default_addr_space_pointer_mode): New function.
	(default_addr_space_address_mode): Likewise.
	(default_addr_space_valid_pointer_mode): Likewise.
	* targhooks.h (default_addr_space_pointer_mode): Add prototype.
	(default_addr_space_address_mode): Likewise.
	(default_addr_space_valid_pointer_mode): Likewise.
	* output.h (default_valid_pointer_mode): Move to ...
	* targhooks.h (default_valid_pointer_mode): ... here.
	* varasm.c (default_valid_pointer_mode): Move to ...
	* targhooks.c (default_valid_pointer_mode): ... here.

	* varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
	instead of targetm.valid_pointer_mode.

	* fold-const.c (fit_double_type): Use int_or_pointer_precision.
	* tree.c (integer_pow2p): Likewise.
	(tree_log2): Likewise.
	(tree_floor_log2): Likewise.
	(signed_or_unsigned_type_for): Support pointer type of different size.
	(int_or_pointer_precision): New function.
	* tree.h (int_or_pointer_precision): Add prototype.
	* stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
	* varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
	incoming pointer type instead of POINTER_SIZE.

	* tree.c (build_pointer_type): Use appropriate pointer mode
	instead of ptr_mode.
	(build_reference_type): Likewise.
	* expr.c (store_expr): Likewise.
	(expand_expr_addr_expr): Likewise.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
	* cfgexpand.c (expand_debug_expr): Likewise.
	
	* auto-inc-dec.c: Include "target.h".
	(try_merge): Use appropriate address mode instead of Pmode.
	(find_inc): Likewise.
	* combine.c (find_split_point): Likewise.
	* cselib.c (cselib_record_sets): Likewise.
	* dse.c (replace_inc_dec): Likewise.
	(canon_address): Likewise.
	* var-tracking.c (replace_expr_with_values): Likewise.
	(count_uses): Likewise.
	(add_uses): Likewise.
	(add_stores): Likewise.
	* emit-rtl.c: Include "target.h".
	(adjust_address_1): Use appropriate address mode instead of Pmode.
	(offset_address): Likewise.
	* explow.c (break_out_memory_refs): Likewise.
	(memory_address_addr_space): Likewise.
	(promote_mode): Likewise.
	* expr.c (move_by_pieces): Likewise.
	(emit_block_move_via_loop): Likewise.
	(store_by_pieces): Likewise.
	(store_by_pieces_1): Likewise.
	(expand_assignment): Likewise.
	(store_constructor): Likewise.
	(expand_expr_addr_expr): Likewise.
	(expand_expr_real_1): Likewise.
	* cfgexpand.c (expand_debug_expr): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* regcprop.c (kill_autoinc_value): Likewise.
	* regmove.c (try_auto_increment): Likewise.
	* reload.c (find_reloads): Likewise.
	(find_reloads_address): Likewise.
	(find_reloads_address_1): Likewise.
	* sched-deps.c: Include "target.h".
	(sched_analyze_1): Use appropriate address mode instead of Pmode.
	(sched_analyze_2): Likewise.
	* sel-sched-dump.c: Include "target.h".
	(debug_mem_addr_value): Use appropriate address mode instead of Pmode.
	* stor-layout.c (layout_type): Likewise.
	* tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
	(multiplier_allowed_in_address_p): Likewise.
	(get_address_cost): Likewise.
	* varasm.c (make_decl_rtl): Likewise.
	
	* expr.c (expand_assignment): Always convert offsets to appropriate
	address mode.
	(store_expr): Likewise.
	(store_constructor): Likewise.
	(expand_expr_real_1): Likewise.

	* reload.h (form_sum): Add MODE argument.
	* reload.c (form_sum): Add MODE argument, use it instead of Pmode.
	Update recursive calls.
	(subst_indexed_address): Update calls to form_sum.
	
	* tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
	* tree-ssa-address.c: Include "target.h".
	(templates): Replace by ...
	(mem_addr_template_list): ... this new vector.
	(TEMPL_IDX): Handle address space numbers.
	(gen_addr_rtx): Add address mode argument, use it instead of Pmode.
	(addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
	instead of global cache.  Update call to gen_addr_rtx.
	(valid_mem_ref_p): Update call to addr_for_mem_ref.
	* expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
	
	* rtl.h (convert_memory_address_addr_space): Add prototype.
	(convert_memory_address): Define as macro.
	* explow.c (convert_memory_address): Rename to ...
	(convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
	Use appropriate pointer and address modes instead of ptr_mode / Pmode.
	Update recursive calls.
	(memory_address_addr_space): Call convert_memory_address_addr_space.
	* expmed.c (make_tree): Likewise.
	* expr.c (expand_assignment): Likewise.
	(expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
	(expand_expr_addr_expr): Likewise.  Also, update call.

	* alias.c (find_base_value): Guard pointer size optimizations.
	(find_base_term): Likewise.
	* rtlanal.c (nonzero_bits1): Likewise.
	(num_sign_bit_copies1): Likewise.
	* simplify-rtx.c (simplify_unary_operation_1): Likewise.

	* Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
	(emit-rtl.o): Likewise.
	(auto-inc-dec.o): Likewise.
	(sched-deps.o): Likewise.

Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>

From-SVN: r153573

2009-10-26  Ben Elliston  <bje@au.ibm.com>
	    Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Ulrich Weigand  <uweigand@de.ibm.com>

	* doc/extend.texi (Named Address Spaces): New section.
	* coretypes.h (addr_space_t): New type.
	(ADDR_SPACE_GENERIC): New define.
	(ADDR_SPACE_GENERIC_P): New macro.

	* doc/tm.texi (Named Address Spaces): New section.
	(TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
	(TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
	(TARGET_ADDR_SPACE_SUBSET_P): Document.
	(TARGET_ADDR_SPACE_CONVERT): Document.
	* target.h (struct gcc_target): Add addr_space substructure.
	* target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
	(TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
	(TARGET_ADDR_SPACE_SUBSET_P): Likewise.
	(TARGET_ADDR_SPACE_CONVERT): Likewise.
	(TARGET_ADDR_SPACE_HOOKS): Likewise.
	(TARGET_INITIALIZER): Initialize addr_space hooks.
	* targhooks.c (default_addr_space_legitimate_address_p): New function.
	(default_addr_space_legitimize_address): Likewise.
	(default_addr_space_subset_p): Likewise.
	(default_addr_space_convert): Likewise.
	* targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
	(default_addr_space_legitimize_address): Likewise.
	(default_addr_space_subset_p): Likewise.
	(default_addr_space_convert): Likewise.

	* doc/rtl.texi (MEM_ADDR_SPACE): Document.
	* rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
	(MEM_ADDR_SPACE): New macro.
	* emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
	address space memory attribute.
	(mem_attrs_htab_hash): Handle address space memory attribute.
	(mem_attrs_htab_eq): Likewise.
	(set_mem_attributes_minus_bitpos): Likewise.
	(set_mem_alias_set): Likewise.
	(set_mem_align): Likewise.
	(set_mem_expr): Likewise.
	(set_mem_offset): Likewise.
	(set_mem_size): Likewise.
	(adjust_address_1): Likewise.
	(offset_address): Likewise.
	(widen_memoy_address): Likewise.
	(get_spill_slot_decl): Likewise.
	(set_mem_attrs_for_spill): Likewise.
	(set_mem_addr_space): New function.
	* emit-rtl.h (set_mem_addr_space): Add prototype.
	* print-rtl.c (print_rtx): Print address space memory attribute.
	* expr.c (expand_assignment): Set address space memory attribute
	of generated MEM RTXes as appropriate.
	(expand_expr_real_1): Likewise.
	* cfgexpand.c (expand_debug_expr): Likewise.
	* tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.

	* tree.h (struct tree_base): Add address_space bitfield.  Reduce
	size of "spare" bitfield.
	(TYPE_ADDR_SPACE): New macro.
	(ENCODE_QUAL_ADDR_SPACE): Likewise.
	(DECODE_QUAL_ADDR_SPACE): Likewise.
	(CLEAR_QUAL_ADDR_SPACE): Likewise.
	(KEEP_QUAL_ADDR_SPACE): Likewise.
	(TYPE_QUALS): Encode type address space.
	(TYPE_QUALS_NO_ADDR_SPACE): New macro.
	* tree.c (set_type_quals): Set type address space.
	(build_array_type): Inherit array address space from element type.
	* print-tree.c (print_node_brief): Print type address space.
	(print_node): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.

	* explow.c (memory_address): Rename to ...
	(memory_address_addr_space): ... this.  Add ADDRSPACE argument.
	Use address-space aware variants of memory address routines.
	* recog.c (memory_address_p): Rename to ...
	(memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
	Use address-space aware variants of memory address routines.
	(offsettable_address_p): Rename to ...
	(offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
	Use address-space aware variants of memory address routines.
	* reload.c (strict_memory_address_p): Rename to ...
	(strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
	Use address-space aware variants of memory address routines.
	(maybe_memory_address_p): Rename to ...
	(maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
	Use address-space aware variants of memory address routines.
	* expr.h (memory_address_addr_space): Add prototype.
	(memory_address): Define as macro.
	* recog.h (memory_address_addr_space_p): Add prototype.
	(memory_address_p): Define as macro.
	(offsettable_address_addr_space_p): Add prototype.
	(offsettable_address_p): Define as macro.
	(strict_memory_address_addr_space_p): Add prototype.
	(strict_memory_address_p): Define as macro.

	* combine.c (find_split_point): Use address-space aware variants
	of memory address routines.
	* emit-rtl.c (operand_subword): Likewise.
	(change_address_1): Likewise.
	(adjust_address_1): Likewise.
	(offset_address): Likewise.
	* expr.c (emit_move_insn): Likewise.
	(expand_assignment): Likewise.
	(expand_expr_real_1): Likewise.
	* recog.c (verify_changes): Likewise.
	(general_operand): Likewise.
	(offsettable_memref_p): Likewise.
	(offsettable_nonstrict_memref_p): Likewise.
	(constrain_operands): Likewise.
	* reload.c (get_secondary_mem): Likewise.
	(find_reloads_toplev): Likewise.
	(find_reloads_address): Likewise.
	(find_reloads_subreg_address): Likewise.
	* reload1.c (reload): Likewise.
	* rtlhooks.c (gen_lowpart_if_possible): Likewise.
	* rtl.h (address_cost): Add ADDRSPACE argument.
	* rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
	aware variant of memory address routines.
	* loop-invariant.c (create_new_invariant): Update address_cost call.
	* tree-ssa-loop-ivopts.c (computation_cost): Likewise.
	* fwprop.c (should_replace_address): Add ADDRSPACE argument.
	Use address-space aware variant of memory address routines.
	(propagate_rtx_1): Update call to should_replace_address.
	* tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
	argument.
	* tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
	ADDRSPACE argument.  Use per-address-space instead of global cache.
	Use address-space aware variant of memory address routines.
	(get_address_cost): Likewise.
	(get_computation_cost_at): Update calls.
	* tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
	Use address-space aware variant of memory address routines.
	(create_mem_ref_raw): Update call to valid_mem_ref_p.
	(most_expensive_mult_to_index): Update call to
	multiplier_allowed_in_address_p.

	* dwarf2out.c (modified_type_die): Output DW_AT_address_class
	attribute to indicate named address spaces.

	* varasm.c (get_variable_section): DECLs in named address spaces
	cannot be "common".

	* reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
	for addresses in a non-generic address space.

	* expr.c (emit_block_move_hints): Do not use libcalls for
	memory in non-generic address spaces.
	(clear_storage_hints): Likewise.
	(expand_assignment): Likewise.

	* fold-const.c (operand_equal_p): Expressions refering to different
	address spaces are not equivalent.

	* rtl.c (rtx_equal_p_cb): MEMs refering to different address
	spaces are not equivalent.
	(rtx_equal_p): Likewise.
	* cse.c (exp_equiv_p): Likewise.
	* jump.c (rtx_renumbered_equal_p): Likewise.
	* reload.c (operands_match_p): Likewise.

	* alias.c (nonoverlapping_memrefs_p): MEMs refering to different
	address spaces may alias.
	(true_dependence): Likewise.
	(canon_true_dependence): Likewise.
	(write_dependence_p): Likewise.

	* dse.c (canon_address): Handle named address spaces.
	* ifcvt.c (noce_try_cmove_arith): Likewise.

	* tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
	* expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
	* convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
	to handle conversions between different address spaces.
	* fold-const.c (fold_convert_loc): Likewise.
	(fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* gimple-pretty-print.c (dump_unary_rhs): Likewise.
	* tree-cfg.c (verify_gimple_assign_unary): Likewise.
	* tree-inline.c (estimate_operator_cost): Likewise.
	* tree-ssa.c (useless_type_conversion_p): Conversions between pointers
	to different address spaces are not useless.

Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>

From-SVN: r153572

2009-10-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41805
	* cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
	gimple_call_nothrow_p.

From-SVN: r153495

gcc/
	* rtl.h (simplify_replace_fn_rtx): Declare.
	(wrap_constant, unwrap_constant): Delete.
	* cfgexpand.c (unwrap_constant, wrap_constant): Delete.
	(expand_debug_expr): Don't call wrap_constant.
	* combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
	(auto_adjust_pair): Fold into...
	(propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
	Just return a new value.
	(propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
	otherwise use simplify_replace_rtx.
	* cselib.c (wrap_constant): Reinstate old definition.
	(cselib_expand_value_rtx_1): Don't wrap constants.
	* gcse.c (try_replace_reg): Don't use copy_rtx in the call to
	simplify_replace_rtx.
	(bypass_block): Fix formatting in calls to simplify_replace_rtx.
	* reload1.c (reload): Skip all uses for an insn before adjusting it.
	Use simplify_replace_rtx.
	* simplify-rtx.c (simplify_replace_fn_rtx): New function,
	adapted from...
	(simplify_replace_rtx): ...here.  Turn into a wrapper for
	simplify_replace_fn_rtx.
	(simplify_unary_operation): Don't unwrap CONSTs.
	* var-tracking.c (check_wrap_constant): Delete.
	(vt_expand_loc_callback): Don't call it.
	(vt_expand_loc): Likewise.

From-SVN: r153037

	* cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM
	op0.

	* gcc.dg/debug/vta-3.c: New test.

From-SVN: r152972