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129 Commits

Author SHA1 Message Date
Richard Guenther
11948f6bac re PR tree-optimization/34148 (Too many VOPs, too deep tree-ssa-sccvn.c recursion) 
2007-11-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34148
	* tree-ssa-structalias.c (create_variable_info_for): Do not use
	field-sensitive PTA for single-element structures.
	* tree-ssa-alias.c (create_overlap_variables_for): Do not create
	SFTs for single-element structures.

From-SVN: r130329
 2007-11-21 10:16:21 +00:00
Richard Guenther
99739a3e63 re PR tree-optimization/33870 (miscompiles sqlite) 
2007-11-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/33870
	* tree.h (struct tree_memory_tag): Add base_for_components flag.
	(struct tree_struct_field_tag): Remove nesting_level field.
	(SFT_NESTING_LEVEL): Remove.
	(SFT_BASE_FOR_COMPONENTS_P): Add.
	* tree-flow.h (struct fieldoff): Remove nesting_level field.  Add
	base_for_components flag.
	(push_fields_onto_fieldstack): Remove nesting_level parameter.
	* tree-ssa-alias.c (create_sft): Likewise.  Add base_for_components
	parameter.
	(create_overlap_variables_for): Deal with it.
	* tree-dfa.c (dump_subvars_for): Likewise.
	(dump_variable): Likewise.
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise.
	Set base_for_components for first elements of sub-structures.
	(create_variable_info_for): Handle base_for_components.
	(set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for
	pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set.
	* tree-ssa-operands.c (ref_nesting_level): Remove.
	(add_vars_for_offset): Remove full_ref parameter, always add
	the offset of the pointed-to SFT.
	(add_virtual_operand): Adjust for changed signature of
	add_vars_for_offset.

	* gcc.dg/torture/pr33870.c: New testcase.

From-SVN: r130231
 2007-11-16 14:40:04 +00:00
Tom Tromey
5576d6f2da tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'. 
* tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to
	'func'. 
	* tree-parloops.c (create_loop_fn): Use set_cfun.
	* gengtype.c (open_base_files): Emit #undef cfun.
	* ipa-struct-reorg.c (do_reorg_1): Use set_cfun.
	* function.h (cfun): New define.
	* function.c: Undefine cfun.

From-SVN: r130213
 2007-11-16 00:11:47 +00:00
Richard Guenther
4a648c5d7d tree-ssa-alias.c (create_overlap_variables_for): Make sure to only create SFTs if we also create variable infos for PTA. 
2007-11-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (create_overlap_variables_for): Make sure
	to only create SFTs if we also create variable infos for PTA.
	* tree-ssa-structalias.c (set_uids_in_ptset): Add all overlapping
	SFTs.

From-SVN: r130197
 2007-11-15 11:15:08 +00:00
Richard Guenther
f83ca2512f tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to type for TBAA pruning. 
2007-11-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
	type for TBAA pruning.
	(find_what_p_points_to): Call set_uids_in_ptset with the original
	pointer, not the decl of the solution we collapsed to.

From-SVN: r130195
 2007-11-15 09:06:58 +00:00
Diego Novillo
d770555138 pr 33870 
pr 33870
	* tree.h (strcut tree_memory_tag): add field unpartitionable.
	remove field in_nested_struct.
	(struct tree_struct_field_tag): add field nesting_level.
	(sft_in_nested_struct): remove.
	(sft_nesting_level): define.
	(sft_unpartitionable_p): define.
	* tree-ssa-alias.c (mem_sym_score): if mp->var is not
	partitionable, return long_max.
	(compute_memory_partitions): do not partition sfts marked
	unpartitionable.
	(create_sft): add argument nesting_level.  set
	sft_nesting_level with it.  update all users.
	(create_overlap_variables_for): show nesting level.
	* tree-dfa.c (dump_subvars_for): likewise.
	(dump_variable): likewise.
	show whether the sft is partitionable or not.
	* tree-flow.h (struct fieldoff): remove field
	in_nested_struct.
	add field nesting_level.
	* tree-ssa-structalias.c (struct variable_info): remove
	field in_nested_struct.
	(push_fields_onto_fieldstack): add argument
	nesting_level.  update all users.
	update documentation.
	update pair->nesting_level with nesting_level.
	make recursive calls with nesting_level + 1.
	(set_uids_in_ptset): if an sft is added to the points-to
	set, mark it as unpartitionable.
	* tree-ssa-operands.c (ref_nesting_level): new.
	(add_vars_for_offset): call it.
	add argument full_ref.  update
	callers.
	if var is inside a nested structure and the nesting level
	of full_ref is lower than the nesting level of var,
	adjust offset by the offset of var.

testsuite/ChangeLog
	
	PR 33870
	* gcc.c-torture/execute/pr33870-1.c: New test.
	* gcc.dg/tree-ssa/alias-16.c: New test.

From-SVN: r130141
 2007-11-13 10:20:40 -05:00
Diego Novillo
6f09f3140c re PR tree-optimization/33870 (miscompiles sqlite) 
PR 33870
	* tree.h (struct tree_struct_field_tag): Add field in_nested_struct.
	(SFT_IN_NESTED_STRUCT): Define.
	* tree-dfa.c (dump_subvars_for): Show offset of each
	sub-var.
	* tree-flow.h (struct fieldoff): Add field in_nested_struct.
	* tree-ssa-structalias.c (struct variable_info): Likewise.
	(push_fields_onto_fieldstack): If OFFSET is positive,
	set in_nested_struct.
	(create_variable_info_for): Copy setting of
	in_nested_struct from the field offset object.
	(set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the
	variable info object.
	* tree-ssa-operands.c (add_vars_for_offset): If VAR
	belongs to a nested structure, adjust OFFSET by
	SFT_OFFSET(VAR).

testsuite/ChangeLog

	* gcc.c-torture/execute/pr33870.x: Remove.

From-SVN: r129976
 2007-11-07 19:01:38 -05:00
Richard Guenther
eee717aa54 tree-flow.h (subvar_t): Make it a VEC. 
2007-10-28  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (subvar_t): Make it a VEC.
	(struct subvar): Remove.
	(struct var_ann_d): Use VEC(tree,gc) to store subvars.
	* tree-flow-inline.h (get_subvar_at): Adjust iterators over
	variable subvars.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Likewise.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise.
	(set_initial_properties): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(create_overlap_variables_for): Likewise.
	* tree-dfa.c (dump_subvars_for): Likewise.
	* tree-ssa-operands.c (add_vars_for_offset): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Likewise.

	* gcc.dg/tree-ssa/alias-15.c: Adjust pattern.

From-SVN: r129699
 2007-10-28 16:14:44 +00:00
Daniel Berlin
aa46c8a3df tree-ssa-structalias.c (rewrite_constraints): Don't test for directness anymore. 
2007-10-17  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (rewrite_constraints): Don't test for
	directness anymore.
	(perform_var_substitution): Only DFS from real nodes. Don't test
	for directness.
	(unite_pointer_equivalences): Fix broken test.

From-SVN: r129401
 2007-10-17 05:35:13 +00:00
Richard Guenther
efe9e82926 re PR c++/31863 (g++-4.1: out of memory with -O1/-O2) 
2007-09-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/31863
	* tree-ssa-structalias.c (create_variable_info_for): Always
	free the fieldstack.

From-SVN: r128573
 2007-09-18 11:22:47 +00:00
Eric Botcazou
fa89b6ecba tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P. 
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
	TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.

ada/
	* decl.c (array_type_has_nonaliased_component): New predicate.
	(gnat_to_gnu_field) <E_Array_Type>: Invoke the above predicate to
	set the TYPE_NONALIASED_COMPONENT flag on the type.
	<E_Array_Subtype>: Likewise.
	* gigi.h (type_for_nonaliased_component_p): Declare.
	* utils.c (type_for_nonaliased_component_p): New predicate.
	(create_field_decl): Invoke the above predicate to set the
	DECL_NONADDRESSABLE_P flag on the field.

From-SVN: r128391
 2007-09-11 19:43:02 +00:00
Richard Guenther
af947da7a7 re PR middle-end/33199 (tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc) 
2007-08-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/33199
	* tree-ssa-structalias.c (handle_lhs_call): New function.
	(find_func_aliases): In non-IPA mode make sure that for
	calls that return a pointer we add a constraint for the
	result to point to anything.

From-SVN: r127927
 2007-08-30 14:52:28 +00:00
Kaveh R. Ghazi
586de21898 arc-protos.h (arc_select_cc_mode, gen_compare_reg): Wrap in RTX_CODE macro guard. 
* config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
	Wrap in RTX_CODE macro guard.
	* config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
	arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
	arm_mark_dllimport, arm_pe_encode_section_info,
	arm_pe_unique_section): Use ISO-C function declarations.
	* config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
	c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
	c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
	Likewise.
	* config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
	* config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
	defining.
	* config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
	warnings.
	* config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
	* config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
	(register_move_cost): Use ISO-C function declarations.
	* config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
	* config/score/score-protos.h (score_declare_object): Add
	ATTRIBUTE_PRINTF_4.
	* config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
	warnings.
	* final.c (profile_function): Avoid empty if-bodies.
	
	
	* calls.c (must_pass_in_stack_var_size,
	must_pass_in_stack_var_size_or_pad): Constify.
	* config/alpha/alpha-protos.h (function_value): Likewise.
	* config/alpha/alpha.c (alpha_return_in_memory,
	alpha_pass_by_reference, function_value,
	unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
	Likewise.
	* config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/arm/arm-protos.h (arm_return_in_memory,
	arm_pad_arg_upward, arm_function_value): Likewise.
	* config/arm/arm.c (arm_pass_by_reference,
	arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
	Likewise.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
	* config/avr/avr-protos.h (avr_function_value): Likewise.
	* config/avr/avr.c (avr_return_in_memory,
	gas_output_limited_string, gas_output_ascii, avr_function_value,
	avr_return_in_memory): Likewise.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
	* config/bfin/bfin.c (bfin_pass_by_reference,
	bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
	Likewise.
	* config/cris/cris.c (cris_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
	* config/crx/crx.c (crx_return_in_memory): Likewise.
	* config/darwin.c (function_base, machopic_function_base_name):
	Likewise.
	* config/fr30/fr30.c (fr30_must_pass_in_stack,
	TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/frv/frv.c (frv_must_pass_in_stack): Likewise.
	* config/h8300/h8300.c (h8300_return_in_memory): Likewise.
	* config/i386/i386-protos.h (ix86_return_in_memory,
	ix86_sol10_return_in_memory): Likewise.
	* config/i386/i386.c (ix86_function_value,
	ix86_function_sseregparm, ix86_must_pass_in_stack,
	type_natural_mode, classify_argument, examine_argument,
	construct_container, ix86_pass_by_reference, function_value_32,
	function_value_64, ix86_function_value_1, return_in_memory_32,
	return_in_memory_64, return_in_memory_ms_64,
	ix86_return_in_memory, ix86_sol10_return_in_memory,
	TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/ia64/ia64-protos.h (ia64_function_value,
	ia64_hpux_function_arg_padding): Likewise.
	* config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
	ia64_function_value, bundle_state_hash, bundle_state_eq_p,
	ia64_hpux_function_arg_padding): Likewise.
	* config/iq2000/iq2000-protos.h (function_arg,
	iq2000_function_value): Likewise.
	* config/iq2000/iq2000.c (iq2000_return_in_memory,
	iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
	function_arg, iq2000_function_value): Likewise.
	* config/m32c/m32c-protos.h (m32c_function_value,
	m32c_promote_function_return): Likewise.
	* config/m32c/m32c.c (m32c_pass_by_reference,
	m32c_promote_prototypes, m32c_promote_function_return,
	m32c_function_value): Likewise.
	* config/m32r/m32r.c (m32r_return_in_memory,
	m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
	m32r_in_small_data_p): Likewise.
	* config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
	Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
	m68hc11_function_arg_padding): Likewise.
	* config/m68k/m68k-protos.h (m68k_function_value): Likewise.
	* config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
	m68k_function_value): Likewise.
	* config/mcore/mcore-protos.h (mcore_num_arg_regs,
	mcore_function_value): Likewise.
	* config/mcore/mcore.c (handle_structs_in_regs,
	mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
	mcore_num_arg_regs, mcore_function_value): Likewise.
	* config/mips/mips-protos.h (mips_pad_arg_upward,
	mips_function_value): Likewise.
	* config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
	mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
	mips_function_value): Likewise.
	* config/mmix/mmix-protos.h (mmix_function_outgoing_value):
	Likewise.
	* config/mmix/mmix.c (mmix_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
	mmix_encode_section_info): Likewise.
	* config/mn10300/mn10300-protos.h (mn10300_function_value):
	Likewise.
	* config/mn10300/mn10300.c (mn10300_return_in_memory,
	mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
	mn10300_function_value): Likewise.
	* config/mt/mt-protos.h (mt_function_value): Likewise.
	* config/mt/mt.c (mt_pass_by_reference, mt_function_value,
	mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/pa/pa-protos.h (function_arg_padding, function_value,
	pa_return_in_memory): Likewise.
	* config/pa/pa.c (pa_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
	function_arg_padding, function_value, pa_return_in_memory):
	Likewise.
	* config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
	* config/rs6000/rs6000-protos.h (rs6000_function_value,
	function_arg_padding): Likewise.
	* config/rs6000/rs6000.c (rs6000_return_in_memory,
	rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
	rs6000_pass_by_reference, rs6000_must_pass_in_stack,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	function_arg_padding, altivec_expand_dst_builtin,
	altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
	altivec_init_builtins, rs6000_common_init_builtins,
	rs6000_function_value): Likewise.
	* s390/s390-protos.h (s390_function_value): Likewise.
	* config/s390/s390.c (s390_function_arg_size,
	s390_pass_by_reference, s390_return_in_memory,
	s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
	* config/score/score-protos.h (score_function_value): Likewise.
	* config/score/score.c (score_arg_partial_bytes,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
	score_pass_by_reference, score_add_offset, score_function_value):
	Likewise.
	* config/sh/sh-protos.h (sh_attr_renesas_p,
	sh_promote_prototypes): Likewise.
	* config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
	sh_callee_copies, sh_promote_prototypes, shcompact_byref,
	sh_attr_renesas_p): Likewise.
	* config/sparc/sparc-protos.h (function_value,
	function_arg_padding): Likewise.
	* config/sparc/sparc.c (sparc_promote_prototypes,
	sparc_return_in_memory, sparc_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
	function_arg_record_value_2, function_arg_record_value_1,
	function_arg_record_value, function_arg_record_value,
	function_arg_padding, function_value): Likewise.
	* config/spu/spu-protos.h (spu_function_value): Likewise.
	* config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
	spu_function_value): Likewise.
	* config/stormy16/stormy16-protos.h (xstormy16_function_value):
	Likewise.
	* config/stormy16/stormy16.c (xstormy16_return_in_memory,
	xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
	Likewise.
	* config/v850/v850.c (v850_return_in_memory,
	v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/xtensa/xtensa.c (xtensa_return_in_msb,
	xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
	Likewise.
	* explow.c (promote_mode, hard_function_value): Likewise.
	* expr.h (hard_function_value, promote_mode): Likewise.
	* function.c (aggregate_value_p): Likewise.
	* hooks.c (hook_bool_const_tree_true): New.
	* hooks.h (hook_bool_const_tree_true): New.
	* sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
	* target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
	TARGET_RETURN_IN_MSB): Likewise.
	* target.h (promote_function_args, promote_function_return,
	promote_prototypes, return_in_memory, return_in_msb,
	pass_by_reference, must_pass_in_stack, callee_copies,
	function_value): Likewise.
	* targhooks.c (default_return_in_memory,
	hook_pass_by_reference_must_pass_in_stack,
	hook_callee_copies_named,
	hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
	hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
	default_function_value): Likewise. 
	* targhooks.h (default_return_in_memory,
	hook_pass_by_reference_must_pass_in_stack,
	hook_callee_copies_named,
	hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
	hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
	default_function_value): Likewise.
	* tree-ssa-structalias.c (const_equiv_class_label_t): New.
	(equiv_class_label_hash, equiv_class_label_eq): Constify.
	* tree-vectorizer.c (bb_in_loop_p): Likewise.
	* tree.c (needs_to_live_in_memory): Likewise.
	* tree.h (struct tree_type, needs_to_live_in_memory,
	aggregate_value_p, must_pass_in_stack_var_size,
	must_pass_in_stack_var_size_or_pad): Likewise.
	* vmsdbgout.c (write_debug_addr, write_debug_delta4,
	write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
	lookup_filename): Likewise.

From-SVN: r127743
 2007-08-23 15:49:56 +00:00
Daniel Berlin
7b765bedc0 Fix PR 32772 Fix PR 32716 Fix PR 32328 Fix PR 32303 
2007-08-19  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR 32772
	Fix PR 32716
	Fix PR 32328
	Fix PR 32303

	* tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
	* tree-ssa-alias.c (init_transitive_clobber_worklist): Add
	on_worklist argument and avoid adding things to worklist multiple
	times.
	(add_to_worklist): Ditto.
	(mark_aliases_call_clobbered): Mark entire structure clobbered if
	single SFT is clobbered.
	(set_initial_properties): Ditto.
	(compute_call_clobbered): Update for changes to function
	arguments.
	(create_overlap_variables_for): Always create SFT for offset 0.
	(create_structure_vars): Handle PHI's, since we are in SSA form at
	this point.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
	* tree-ssa-operands.c (access_can_touch_variable): Don't handle
	TARGET_MEM_REF.
	(add_vars_for_offset): Figure out aliases from access + points-to.
	(add_virtual_operand): Use add_vars-for_offset.
	(get_tmr_operands): Update for NMT changes, rewrite to be correct.
	(add_call_clobber_ops): Remove makes_clobbering_call set.
	(get_expr_operands): Always pass through the INDIRECT_REF
	reference.
	* tree-ssa-structalias.c (struct constraint_graph): Remove
	variables member.
	Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
	address_taken, pt_used, number_incoming.
	(FIRST_ADDR_NODE): Removed.
	(merge_graph_nodes): Remove broken code for the moment.
	(init_graph): New function.
	(build_pred_graph): Remove code to init_graph.
	Add location equivalence support.
	(struct scc_info): Rename roots to deleted.
	(scc_visit): Ditto.
	(init_scc_info): Ditto
	(init_topo_info): Use graph->size.
	(compute_topo_order): Ditto.
	(do_da_constraint): Removed.
	(do_sd_constraint): Remove calls to find().
	set_union_with_increment should always get 0 as last arg here.
	(do_complex_constraint): Replace do_da_constraint with assert.
	Stop calling find.
	(struct equiv_class_label): New.
	(pointer_equiv_class_table): Ditto.
	(location_equiv_class_table): Ditto.
	(equiv_class_label_hash): Ditto.
	(equiv_class_label_eq): Ditto
	(equiv_class_lookup): Ditto.
	(equiv_class_ladd): Ditto.
	(pointer_equiv_class): Ditto.
	(location_equiv_class): Ditto.
	(condense_visit): Rename and rewrite from label_visit to do only
	SCC related stuff for HU.
	(label_visit): Do HU work for HU.
	(perform_var_substitution): Update to do HU and location
	equivalence.
	(free_var_substitution_info): Update to free HU and location
	equivalence structures.  */
	(find_equivalent_node): Update for pointer but not location
	equivalence.
	(unite_pointer_equivalences): New function.
	(move_complex_constraints): Rewrite to only do moving.
	(rewrite_constraints): Split out of move_complex_constraints.
	(solve_graph): Use graph->size.
	(process_constraint_1): Add from_call argument, use it.
	Split *a = &b into two constraints.
	(process_constraint): Use new process_constraint_1.
	(get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
	(get_constraint_for): Handle non-pointer integers properly.
	Remove code that used to handle structures.
	(handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
	with unknown addends.
	(handle_rhs_call): New function.
	(find_func_aliases): Use handle_rhs_call.
	(set_uids_in_ptset): Add an assert.
	(set_used_smts): Fix bug in not considering unified vars.
	(compute_tbaa_pruning): Stop initing useless iteration_obstack.
	(compute_points_to_sets): Update for other function changes.
	(delete_points_to_sets): Ditto.
	(ipa_pta_execute): Ditto.
	(pass_ipa_pta): We need to update SSA after ipa_pta.

From-SVN: r127629
 2007-08-19 23:23:29 +00:00
Ian Lance Taylor
4862826d55 alias.h (alias_set_type): Define new type. 
./:	* alias.h (alias_set_type): Define new type.
	(ALIAS_SET_MEMORY_BARRIER): Use it.
	* rtl.h: Include alias.h.
	(struct mem_attrs): Use alias_set_type.
	* tree.h: Include alias.h
	(struct tree_type): Use alias_set_type.
	(struct tree_struct_field_tag): Likewise.
	(struct tree_decl_common): Likewise.
	* alias.c (struct alias_set_entry): Use alias_set_type.
	(get_alias_set_entry, alias_set_subset_of): Likewise.
	(alias_sets_conflict_p): Likewise.
	(alias_sets_must_conflict_p): Likewise.
	(objects_must_conflict_p): Likewise.
	(get_alias_set, new_alias_set): Likewise.
	(record_alias_subset, record_component_aliases): Likewise.
	(varargs_set, frame_set): Change to alias_set_type.
	(get_varargs_alias_set): Use alias_set_type.
	(get_frame_alias_set): Likewise.
	* builtins.c (setjmp_alias_set): Change to alias_set_type.
	* dse.c (struct store_info): Use alias_set_type.
	(struct read_info, struct clear_alias_mode_holder): Likewise.
	(clear_alias_set_lookup, canon_address): Likewise.
	(record_store, check_mem_read_rtx): Likewise.
	(dse_record_singleton_alias_set): Likewise.
	(dse_invalidate_singleton_alias_set): Likewise.
	* emit-rtl.c (get_mem_attrs): Likewise.
	(set_mem_attributes_minus_bitpos): Likewise.
	(set_mem_alias_set): Likewise.
	* expr.c (store_constructor_field, store_field): Likewise.
	* gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
	* langhooks.c (lhd_get_alias_set): Likewise.
	* langhooks-def.h (lhd_get_alias_set): Likewise.
	* reload1.c (alter_reg): Likewise.
	* tree-flow.h (struct fieldoff): Likewise.
	* tree-ssa-alias.c (struct alias_map_d): Likewise.
	(may_alias_p, get_smt_for, create_sft): Likewise.
	* tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
	(merge_smts_into): Likewise.
	* varasm.c (const_alias_set): Likewise.
	* c-common.c (strict_aliasing_warning): Likewise.
	(c_common_get_alias_set): Likewise.
	* dse.h (dse_record_singleton_alias_set): Update declaration.
	(dse_invalidate_singleton_alias_set): Likewise.
	* emit-rtl.h (set_mem_alias_set): Likewise.
	* c-common.h (c_common_get_alias_set): Likewise.
	* print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
	* print-tree.c (print_node): Likewise.
	* config/alpha/alpha.c (alpha_sr_alias_set): Change to
	alias_set_type.
	(alpha_setup_incoming_varargs): Use alias_set_type.
	* config/i386/i386.c (setup_incoming_varargs_64): Use
	alias_set_type.
	(setup_incoming_varargs_ms_64): Likewise.
	(ix86_GOT_alias_set): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
	(set): Change to alias_set_type.
	(get_TOC_alias_set): Use alias_set_type.
	* config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
	declaration.
	* config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
	* config/sparc/sparc.c (sparc_sr_alias_set): Change to
	alias_set_type.
	(struct_value_alias_set): Likewise.
	* Makefile.in (GTFILES): Add $(srcdir)/alias.h.
ada/:
	* misc.c (gnat_get_alias_set): Change return type to
	alias_set_type.
cp/:
	* cp-objcp-common.c (cxx_get_alias_set): Change return type to
	alias_set_type.
	* cp/cp-tree.h (cxx_get_alias_set): Update declaration.
fortran:/
	* f95-lang.c (gfc_get_alias_set): Change return type to
	alias_set_type.

From-SVN: r127362
 2007-08-11 17:21:56 +00:00
Nick Clifton
9dcd6f09a3 Change copyright header to refer to version 3 of the GNU General Public License and to point readers at the COPYING3 file and the FSF's license web page. 
From-SVN: r126948
 2007-07-26 08:37:01 +00:00
Kaveh R. Ghazi
e5cfc29f59 cselib.c (entry_and_rtx_equal_p): Constify. 
* cselib.c (entry_and_rtx_equal_p): Constify.
	* gengtype.c (output_mangled_typename, write_types, write_local):
	Likewise.
	* gengtype.h (const_type_p): New.
	* see.c (eq_descriptor_extension, hash_descriptor_extension):
	Constify.
	* tlink.c (scan_linker_output): De-constify.
	* tree-ssa-loop-im.c (memref_eq): Constify.
	* tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
	(shared_bitmap_hash, shared_bitmap_eq): Constify.

cp:
	* parser.c (cp_parser_string_literal, cp_parser_sizeof_operand):
	Constify.

From-SVN: r126926
 2007-07-25 19:19:42 +00:00
Adam Nemet
3d9b47dc43 re PR tree-optimization/25737 (ACATS c974001 c974013 hang with struct aliasing) 
PR tree-optimization/25737
	* tree.h (struct tree_struct_field_tag): Add new field alias_set.
	(SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
	* tree-flow.h (struct fieldoff): Add new field alias_set.
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
	argument addressable_type.  Set alias_set of fieldoff.
	* tree-ssa-alias.c (create_sft): Add new argument alias_set.
	(create_overlap_variables_for): Pass alias_set from fieldoff to
	create_sft.
	* alias.c (get_alias_set): Use alias_set from SFT if set.

From-SVN: r125890
 2007-06-20 18:19:10 +00:00
Richard Biener
9bf448b905 tree-ssa-structalias.c (handle_ptr_arith): Make sure to only handle positive offsets that fit in a HOST_WIDE_INT. 
2007-06-19  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (handle_ptr_arith): Make sure to
	only handle positive offsets that fit in a HOST_WIDE_INT.

	* g++.dg/torture/pr30252.C: New testcase.

From-SVN: r125849
 2007-06-19 12:57:58 +00:00
Jakub Jelinek
fda2b8e358 re PR tree-optimization/32353 (Miscompilation with RESULT_DECL) 
PR tree-optimization/32353
	* tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.

	* g++.dg/opt/nrv13.C: New test.

From-SVN: r125841
 2007-06-19 11:08:39 +02:00
Andrew Pinski
5be014d5b7 [multiple changes] 
2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
            Zdenek Dvorak <dvorakz@suse.cz>
            Richard Guenther  <rguenther@suse.de>
            Kaz Kojima  <kkojima@gcc.gnu.org>

	* tree-vrp.c (compare_values_warnv): Convert val2 to
	the type of val1.
	(extract_range_from_assert): Create
	POINTER_PLUS_EXPR for pointer types.
	(extract_range_from_binary_expr): Handle
	only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
	for pointer types.
	* doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
	* tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
	POINTER_PLUS_EXPR as PLUS_EXPR.
	(number_of_iterations_lt_to_ne):
	For pointer types, use sizetype when
	creating MINUS_EXPR/PLUS_EXPRs.
	(assert_loop_rolls_lt): For pointer types, use sizetype when
	creating MINUS_EXPR/PLUS_EXPRs.
	(number_of_iterations_le): Likewise.
	(expand_simple_operations): POINTER_PLUS_EXPR are simple also.
	(derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
	like PLUS_EXPR and MINUS_EXPR.
	* tree-pretty-print.c (dump_generic_node): Handle
	POINTER_PLUS_EXPR.
	(op_prio): Likewise.
	(op_symbol_1): Likewise.
	* optabs.c (optab_for_tree_code): Likewise.
	* tree-ssa-loop-manip.c (create_iv): Handle pointer base
	specially.
	* tree-tailcall.c (process_assignment): Mention
	POINTER_PLUS_EXPR in a TODO comment.
	* tree.c (build2_stat): Assert when trying to use PLUS_EXPR or 
	MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
	not used with a pointer and an integer type.
	* tree-scalar-evolution.c (add_to_evolution_1): Convert the
	increment using chrec_convert_rhs instead of chrec_convert.
	(follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
	PLUS_EXPR except for the right hand side's type will be
	sizetype.
	(interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
	(fold_used_pointer_cast): Kill.
	(pointer_offset_p): Kill.
	(fold_used_pointer): Kill.
	(pointer_used_p): Kill.
	(analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
	call fold_used_pointer.
	(instantiate_parameters_1): Convert the increment
	using chrec_convert_rhs instead of chrec_convert.
	Handle POINTER_PLUS_EXPR as PLUS_EXPR.
	* builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
	instead of PLUS_EXPR.
	(expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
	PLUS_EXPR for pointers.
	(std_gimplify_va_arg_expr): Likewise.
	(fold_builtin_memory_op): Likewise.
	(fold_builtin_strstr): Likewise.
	(fold_builtin_strchr): Likewise.
	(fold_builtin_strrchr): Likewise.
	(fold_builtin_strpbrk): Likewise.
	(expand_builtin_memory_chk): Likewise.
	(fold_builtin_memory_chk): Likewise.
	(std_expand_builtin_va_start): Use
	sizetype for the call to make_tree and then convert
	to the pointer type.
	(fold_builtin_memchr): Use POINTER_PLUS_EXPR
	instead of PLUS_EXPR for adding to a pointer.
	(std_gimplify_va_arg_expr): Use fold_build2 for
	the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
	the operands to sizetype first and then cast the BIT_AND_EXPR
	back to the pointer type.
	* fold-const.c (build_range_check): Handle pointer types
	specially.
	(extract_array_ref): Look for POINTER_PLUS_EXPR instead
	of PLUS_EXPR's. Make sure the offset is converted to
	sizetype.
	(try_move_mult_to_index): Strip the NOPs from the offset.
	Remove code argument and replace all uses with PLUS_EXPR.
	(fold_to_nonsharp_ineq_using_bound): Handle pointer types
	specially. Don't use a pointer type for MINUS_EXPR.
	(fold_unary): Handle for (T1)(X op Y),
	only p+ as that is the only as that can be handled for
	binary operators now.
	(fold_binary <case POINTER_PLUS_EXPR>): Add folding of
	POINTER_PLUS_EXPR.
	<case PLUS_EXPR>: Add folding of PTR+INT into
	PTR p+ INT.
	Don't call try_move_mult_to_index.
	<case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
	into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
	(PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
	Don't call try_move_mult_to_index.
	(tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
	(tree_expr_nonzero_p): Likewise.
	(fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
	of PLUS_EXPR for the complex expression folding.
	* tree-chrec.c (chrec_fold_plus_poly_poly): If the
	first chrec is a pointer type, then the second should
	be sizetype and not the first's type.
	For POINTER_PLUS_EXPR, use a different right hand side type.
	Handle POINTER_PLUS_EXPR like PLUS_EXPR.
	(chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
	different right hand side type.
	Handle POINTER_PLUS_EXPR like PLUS_EXPR.
	(chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
	instead of PLUS_EXPR.
	When either operand is zero, convert the other operand.
	(chrec_apply): Use chrec_convert_rhs
	on the argument x instead of chrec_convert.
	(reset_evolution_in_loop): For pointer types, the new_evol
	should be sizetype.
	(convert_affine_scev): For POINTER_PLUS_EXPR, use a
	different right hand side type.
	Handle POINTER_PLUS_EXPR like PLUS_EXPR.
	(chrec_convert_rhs): New function.
	(chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
	different right hand side type.
	Handle POINTER_PLUS_EXPR like PLUS_EXPR.
	* tree-chrec.h (chrec_convert_rhs): New prototype.
	(build_polynomial_chrec): For pointer types, the right hand
	* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
	POINTER_PLUS_EXPR instead of PLUS_EXPR's.
	Remove subtraction case as it is always addition now.
	Make sure the offset is converted to sizetype.
	(fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
	Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
	* tree-ssa-loop-ivopts.c (determine_base_object): Abort for 
	PLUS_EXPR in pointer type.
	Handle POINTER_PLUS_EXPR.
	(tree_to_aff_combination): Likewise.
	(force_expr_to_var_cost): Likewise.
	(force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
	instead of PLUS_EXPR for pointers.
	* c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
	instead of PLUS_EXPR of pointer types.
	* tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
	as PLUS_EXPR.
	(check_va_list_escapes): Likewise.
	(check_all_va_list_escapes): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1):
	Handle POINT_PLUS_EXPR as a PLUS_EXPR.
	* expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
	(string_constant): Likewise.
	* tree-ssa-address.c (tree_mem_ref_addr): When adding
	the offset to the base, use POINTER_PLUS_EXPR.
	(add_to_parts): Convert the index to sizetype.
	(create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
	* matrix-reorg.c (collect_data_for_malloc_call): Stmt
	will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
	Offset only holds something for PLUS_EXPR.
	(ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
	a PLUS_EXPR.
	(analyze_transpose): POINTER_PLUS_EXPR will only show up now
	and not PLUS_EXPR.
	(analyze_accesses_for_modify_stmt): Likewise.
	Remove comment about the type being integral type as it is
	wrong now.
	(can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
	PLUS_EXPR.
	(transform_access_sites): POINTER_PLUS_EXPR will only show up now
	and not PLUS_EXPR.
	Correct the type which the artimentic is done in (is now
	sizetype).
	Reindent one loop.
	* tree-data-ref.c (split_constant_offset): Handle
	POINTER_PLUS_EXPR
	* tree-affine.c (tree_to_aff_combination): Likewise.
	* c-typeck.c (build_unary_op): For pointers create the increment
	as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
	for pointers.
	* gimplify.c (gimplify_self_mod_expr): Create a
	POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
	(gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
	* tree.def (POINTER_PLUS_EXPR): New tree code.
	* tree-predcom.c (ref_at_iteration): If we have a pointer
	type do the multiplication in sizetype.
	* tree-mudflap.c (mf_xform_derefs_1): Create a
	POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
	* tree-ssa-forwprop.c 
	(forward_propagate_addr_into_variable_array_index):
	Don't expect there to be a cast for the index as that
	does not exist anymore.
	(forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
	instead of PLUS_EXPR.
	Don't check for the first operand of the POINTER_PLUS_EXPR
	was the index as it cannot be.
	Call forward_propagate_addr_into_variable_array_index with
	the SSA_NAME instead of the statement.
	* varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
	(compare_constant): Likewise.
	(copy_constant): Likewise.
	(compute_reloc_for_constant): Likewise.
	(output_addressed_constants): Likewise.
	(initializer_constant_valid_p): Likewise.
	* tree-ssa.c (tree_ssa_useless_type_conversion_1):
	Convert the MIN/MAX of the inner type to the outer
	type before comparing them.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref):  Handle
	POINTER_PLUS_EXPR instead of PLUS_EXPR.
	(issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
	of PLUS_EXPR for pointers.
	* tree-inline.c (estimate_num_insns_1): Handle
	POINTER_PLUS_EXPR.
	* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): 
	Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
	(bump_vector_ptr): Create a POINTER_PLUS_EXPR
	instead of PLUS_EXPR for the pointer increment statement.
	(vect_update_ivs_after_vectorizer): For pointer types, create
	POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
	MULT_EXPR in sizetype.
	(vect_gen_niters_for_prolog_loop): Add a cast when creating
	byte_misalign.
	* tree-object-size.c (plus_expr_object_size): Handle
	POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
	code which is trying to figure out which side is a pointer and 
	is the index.
	(check_for_plus_in_loops_1): Likewise.
	(check_for_plus_in_loops): Likewise.
	* c-common.c (pointer_int_sum): Create a
	POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
	* tree-ssa-structalias.c (handle_ptr_arith): Handle
	only POINTER_PLUS_EXPR.  Removing all the extra
	code which is trying to figure out which side is a pointer and 
	is the index.
	* tree-cfg.c (verify_expr): Add extra checking for pointers and
	PLUS_EXPR and MINUS_EXPR.
	Also add checking to make sure the operands of POINTER_PLUS_EXPR
	are correct.
	* config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
	with make_tree, instead of a pointer type.
	* config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
	for pointers instead of PLUS_EXPR.
	(s390_gimplify_va_arg): Likewise.
	* config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
	instead of PLUS_EXPR when doing addition on pointer
	types.  Use sizetype for the second operand.
	(spu_gimplify_va_arg_expr): Likewise.
	* config/sparc/sparc.c (sparc_gimplify_va_arg): Use 
	POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
	a pointer.  Don't create a BIT_AND_EXPR for pointer types.
	* config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
	for the pointer addition and also use size_int/sizetype
	for the offset.
	(ix86_gimplify_va_arg): Likewise.
	Perform BIT_AND_EXPR on sizetype arguments.
	* config/sh/sh.c (sh_va_start): Call make_tree with sizetype
	and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
	for the pointer additions and also use size_int for the offsets.
	(sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
	additions and also use size_int for the offsets.  Perform
	BIT_AND_EXPR on sizetype arguments.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Use
	POINTER_PLUS_EXPR for pointers and create the
	BIT_AND_EXPR in sizetype.
	* config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
	instead of PLUS_EXPR for pointer addition.
	(rs6000_va_start): Likewise.
	Also use sizetype for the offset.
	* config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
	as PLUS_EXPR/MINUS_EXPR.
	(hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
	PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
	Don't use BIT_AND_EXPR on a pointer type, convert the
	expression to sizetype first.
	* config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
	for pointers.
	(mips_gimplify_va_arg_expr): Likewise.
	Don't create BIT_AND_EXPR in a pointer type.



2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use
        POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition.
        * trans-expr.c (gfc_trans_string_copy): Create
        POINTER_PLUS_EXPR instead of a PLUS_EXPR
        for pointer types.

2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* typeck.c (build_binary_op): For templates build the
	expression in pieces to avoid the assert in build2_stat.
	(get_member_function_from_ptrfunc):
	Change over to using POINTER_PLUS_EXPR and convert
	the second operand to sizetype.
	* typeck2.c (build_m_component_ref):  Likewise.
	* init.c (expand_virtual_init): Create a POINTER_PLUS_EXPR
	instead of PLUS_EXPR for pointers.
	(build_new_1): Likewise.
	(build_vec_delete_1): Likewise.
	(build_vec_delete): Likewise.
	* class.c (build_base_path): Likewise.
	(build_base_path): Likewise.
	(convert_to_base_statically): Likewise.
	(fixed_type_or_null): Handle POINTER_PLUS_EXPR.
	(get_vtbl_decl_for_binfo): Handle POINTER_PLUS_EXPR
	instead of PLUS_EXPR.
	(dfs_accumulate_vtbl_inits): Create a POINTER_PLUS_EXPR
	instead of PLUS_EXPR for pointers.
	* call.c (build_special_member_call): Likewise.
	* rtti.c (build_headof): Likewise.
	Use sizetype instead of ptrdiff_type_node.
	(tinfo_base_init): Create a POINTER_PLUS_EXPR
	instead of PLUS_EXPR for pointers.
	* except.c (expand_start_catch_block):  Do a
	NEGATIVE and then a POINTER_PLUS_EXPR instead
	of a MINUS_EXPR.
	* cp-gimplify.c (cxx_omp_clause_apply_fn): Convert
	PLUS_EXPR on pointer types over to use
	POINTER_PLUS_EXPR and remove the conversion
	to the pointer types.
	* method.c (thunk_adjust): Use POINTER_PLUS_EXPR for
	adding to a pointer type. Use size_int instead of
	ssize_int. Convert the index to sizetype before
	adding it to the pointer.



2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * trans.c (Attribute_to_gnu): When subtracting an
        offset from a pointer, use POINTER_PLUS_EXPR with
        NEGATE_EXPR instead of MINUS_EXPR.
        (gnat_to_gnu): Likewise.
        * utils.c (convert): When converting between
        thin pointers, use POINTER_PLUS_EXPR and sizetype
        for the offset.
        * utils2.c (known_alignment): POINTER_PLUS_EXPR
        have the same semantics as PLUS_EXPR for alignment.
        (build_binary_op): Add support for the semantics of
        POINTER_PLUS_EXPR's operands.
        When adding an offset to a pointer, use POINTER_PLUS_EXPR.



2007-06-15 Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * class.c (make_class_data): Build the index in sizetype.
        Use POINTER_PLUS_EXPR instead of PLUS_EXPR when
        adding to a pointer type.
        (build_symbol_entry): Likewise.
        * expr.c (build_java_arrayaccess): Likewise.
        (build_field_ref): Likewise.
        (build_known_method_ref): Likewise.
        (build_invokevirtual): Likewise.
        * except.c (build_exception_object_ref): Do a
        NEGATIVE and then a POINTER_PLUS_EXPR instead
        of a MINUS_EXPR.


2007-06-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/32225
	* gcc.c-torture/compile/20070605-1.c: New test.

	* gcc.c-torture/compile/20070603-1.c: New testcase.
	* gcc.c-torture/compile/20070603-2.c: New testcase.

	* gcc.c-torture/compile/20070531-1.c: New test.

	PR tree-opt/32167
	* gcc.c-torture/compile/20070531-2.c: New test.

	PR tree-opt/32144
	* gcc.c-torture/compile/20070529-1.c: New test.

	PR tree-opt/32145
	* gcc.c-torture/compile/20070529-2.c: New test.

	PR tree-opt/32015
	* gcc.c-torture/compile/20070520-1.c: New test.

	* g++.dg/ext/java-1.C: New test.

	* gcc.dg/vect/vect-106.c: We are now able to vectorize two
	loops instead of one. Remove the "can't determine dependence"
	check.
	* gcc.dg/tree-ssa/20030815-1.c: Remove testcase which is no longer
	needed as the cast is gone in the first place.
	* gcc.dg/max-1.c: Change local variable a to be a global one.
	* gcc.dg/tree-ssa/ssa-pre-8.c: Update testcase since we don't
	have a cast which is PREd.

From-SVN: r125755
 2007-06-15 22:42:36 -07:00
Ian Lance Taylor
058dcc25b7 re PR libstdc++/29286 (placement new does not change the dynamic type as it should) 
./:	PR libstdc++/29286
	* tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
	* tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
	(CHANGE_DYNAMIC_TYPE_LOCATION): Define.
	(DECL_NO_TBAA_P): Define.
	(struct tree_decl_common): Add no_tbaa_flag field.
	* tree-ssa-structalias.c (struct variable_info): Add
	no_tbaa_pruning field.
	(new_var_info): Initialize no_tbaa_pruning field.
	(unify_nodes): Copy no_tbaa_pruning field.
	(find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
	(dump_solution_for_var): Print no_tbaa_pruning flag.
	(set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
	callers.
	(compute_tbaa_pruning): New static function.
	(compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
	Call compute_tbaa_pruning.
	* tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
	* gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* tree-gimple.c (is_gimple_stmt): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	(copy_result_decl_to_var): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
	* omp-low.c (omp_copy_decl_2): Likewise.
	* print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
	* doc/c-tree.texi (Expression trees): Document
	CHANGE_DYNAMIC_TYPE_EXPR.
cp/:
	PR libstdc++/29286
	* init.c (avoid_placement_new_aliasing): New static function.
	(build_new_1): Call it.
testsuite/:
	PR libstdc++/29286
	* g++.dg/init/new16.C: New test.
	* g++.dg/init/new17.C: New test.
	* g++.dg/init/new18.C: New test.
	* g++.dg/init/new19.C: New test.

Co-Authored-By: Daniel Berlin <dberlin@dberlin.org>

From-SVN: r125653
 2007-06-12 17:47:37 +00:00
Eric Botcazou
73fd4ad6cd tree-ssa-structalias.c (find_what_p_points_to): Return false for ref-all pointers that point-to anything. 
* tree-ssa-structalias.c (find_what_p_points_to): Return false
	for ref-all pointers that point-to anything.

From-SVN: r125620
 2007-06-11 15:40:52 +00:00
Daniel Berlin
6bdff197e6 tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd parameter, use it. 
2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
	parameter, use it.
	(find_what_p_points_to): Pass new parameter to set_uids_in_ptset.

From-SVN: r125603
 2007-06-10 20:21:48 +00:00
Thomas Neumann
c22940cd7c tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the coding conventions. 
* tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
	coding conventions.
	(add_key): Likewise.
	* tree-ssa.c (init_tree_ssa): Use type safe memory macros.
	* tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
	variable names.
	* tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
	(add_cost_one_coalesce): Likewise.
	* tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
	variable names. Rename orig to orig_name for consistency.
	* tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
	conventions.
	(cprop_into_successor_phis): Avoid using C++ keywords as variable names.
	(record_equivalences_from_stmt): Likewise.
	* tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
	the coding conventions.
	(memory_ssa_name_same): Likewise.
	(dse_optimize_stmt): Likewise.
	(dse_record_phis): Likewise.
	(dse_finalize_block): Likewise.
	* tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
	keywords as variable names.
	(may_move_till): Cast according to the coding conventions.
	(force_move_till_expr): Avoid using C++ keywords as variable names.
	(force_move_till): Cast according to the coding conventions.
	(memref_hash): Likewise.
	(memref_eq): Likewise.
	(gather_mem_refs_stmt): Likewise.
	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
	keywords as variable names.
	(idx_find_step): Cast according to the coding conventions.
	(idx_record_use): Likewise.
	(find_depends): Likewise.
	(prepare_decl_rtl): Likewise.
	(mbc_entry_hash): Likewise.
	(mbc_entry_eq): Likewise.
	* tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
	(simplify_replace_tree): Avoid using C++ keywords as variable names.
	(idx_infer_loop_bounds): Cast according to the coding conventions.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
	* tree-ssa-math-opts.c (occ_new ): Likwise.
	* tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
	macros.
	* tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
	names.
	(add_use_op): Likewise.
	(add_vop): Likewise.
	(add_vuse_op): Likewise.
	(add_vdef_op): Likewise.
	(get_expr_operands): Likewise.
	(push_stmt_changes): Use type safe memory macros.
	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
	keywords as variable names.
	(conditional_replacement): Likewise.
	(minmax_replacement): Likewise.
	(abs_replacement): Likewise.
	* tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
	coding conventions.
	(insert_fake_stores): Avoid using C++ keywords as variable names.
	* tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
	conventions.
	* tree-ssa-structalias.c (heapvar_lookup): Likewise.
	(heapvar_insert): Use type safe memory macros.
	(new_var_info): Cast according to the coding conventions.
	(new_constraint): Likewise.
	(remove_preds_and_fake_succs): Use type safe memory macros.
	* tree-ssa-threadupdate.c (thread_block): Cast according to the coding
	conventions.
	(thread_single_edge): Likewise.

From-SVN: r125504
 2007-06-06 20:18:47 +00:00
Kazu Hirata
110abdbc68 i386.c, [...]: Fix comment typos. 
* config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
	df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
	fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
	tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
	tree-vrp.c: Fix comment typos.  Follow spelling conventions.
	* doc/tm.texi: Follow spelling conventions.

From-SVN: r125090
 2007-05-26 13:00:47 +00:00
Andrew Pinski
3d95caa4af tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs. 
2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
        (GENERIC_NEXT): New function macro.
        (PHI_CHAIN): Use phi_node's new chain variable.
        (tree_phi_node): Change tree_common to tree_base
        and add the chain field.
        * tree-phinodes.c (make_phi_node): Don't set
        TREE_TYPE on the new node.
        * c-decl.c (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_TUPLE_P in chain_next.
        * tree-vect-transform.c
        (get_initial_def_for_induction): Look at
        PHI_RESULT_TREE for the type of the phi node.
        (update_vuses_to_preheader): Use PHI_CHAIN
        instead of TREE_CHAIN on the phi node.
        * tree-ssa-structalias.c (compute_points_to_sets):
        Likewise.
        (ipa_pta_execute): Likewise.
2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * cp-tree.h (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * ada-tree.h (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * f95-lang.c (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_STMT_P in chain_next.
2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * java-tree.h (lang_tree_node): Use GENERIC_NEXT
        instead of checking GIMPLE_STMT_P in chain_next.

From-SVN: r124021
 2007-04-21 13:40:31 -07:00
Zdenek Dvorak
285463b5a2 tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex. 
* tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
	* tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.

From-SVN: r124012
 2007-04-20 23:27:51 +00:00
Kazu Hirata
7fa7289d9a i386.c, [...]: Fix comment typos. 
* config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
	tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
	comment typos.

From-SVN: r123847
 2007-04-15 14:46:34 +00:00
Diego Novillo
e9e0aa2c96 re PR tree-optimization/30735 (50% slow down due to mem-ssa merge) 
PR 30735
	PR 31090
	* doc/invoke.texi: Document --params max-aliased-vops and
	avg-aliased-vops.
	* tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
	debug_memory_partitions): Move to tree-flow.h
	* params.h (AVG_ALIASED_VOPS): Define.
	* tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
	users.
	(mp_info_t): Likewise.
	(get_mem_sym_stats_for): New.
	(set_memory_partition): Move from tree-flow-inline.h.
	(mark_non_addressable): Only clear the set of symbols for the
	partition if it exists.
	(dump_memory_partitions): Move from tree-ssa-operands.c
	(debug_memory_partitions): Likewise.
	(need_to_partition_p): New.
	(dump_mem_ref_stats): New.
	(debug_mem_ref_stats): New.
	(dump_mem_sym_stats): New.
	(debug_mem_sym_stats): New.
	(update_mem_sym_stats_from_stmt): New.
	(compare_mp_info_entries): New.
	(mp_info_cmp): Call it.
	(sort_mp_info): Change argument to a list of mem_sym_stats_t
	objects.
	(get_mpt_for): Move from tree-ssa-operands.c.
	(find_partition_for): New.
	(create_partition_for): Remove.
	(estimate_vop_reduction): New.
	(update_reference_counts): New.
	(build_mp_info): New.
	(compute_memory_partitions): Refactor.
	Document new heuristic.
	Call build_mp_info, update_reference_counts,
	find_partition_for and estimate_vop_reduction.
	(compute_may_aliases): Populate virtual operands before
	calling debugging dumps.
	(delete_mem_sym_stats): New.
	(delete_mem_ref_stats): New.
	(init_mem_ref_stats): New.
	(init_alias_info): Call it.
	(maybe_create_global_var): Remove alias_info argument.
	Get number of call sites and number of pure/const call sites
	from gimple_mem_ref_stats().
	(dump_alias_info): Call dump_memory_partitions first.
	(dump_points_to_info_for): Show how many times a pointer has
	been dereferenced.
	* opts.c (decode_options): For -O2 set --param
	max-aliased-vops to 500.
	For -O3 set --param max-aliased-vops to 1000 and --param
	avg-aliased-vops to 3.
	* fortran/options.c (gfc_init_options): Remove assignment to
	MAX_ALIASED_VOPS.
	* tree-flow-inline.h (gimple_mem_ref_stats): New.
	* tree-dfa.c (dump_variable): Dump memory reference
	statistics.
	Dump NO_ALIAS* settings.
	(referenced_var_lookup): Tidy.
	(mem_sym_stats): New.
	* tree-ssa-copy.c (may_propagate_copy): Return true if DEST
	and ORIG are different SSA names for a memory partition.
	* tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
	* tree-flow.h (struct mem_sym_stats_d): Define.
	(mem_sym_stats_t): Define.
	(struct mem_ref_stats_d): Define.
	(struct gimple_df): Add field mem_ref_stats.
	(enum noalias_state): Define.
	(struct var_ann_d): Add bitfield noalias_state.
	(mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
	debug_mem_ref_stats, debug_memory_partitions,
	debug_mem_sym_stats): Declare.
	* tree-ssa-structalias.c (update_alias_info): Update call
	sites, pure/const call sites and asm sites in structure
	returned by gimple_mem_ref_stats.
	Remove local variable IS_POTENTIAL_DEREF.
	Increase NUM_DEREFS if the memory expression is a potential
	dereference.
	Call update_mem_sym_stats_from_stmt.
	If the memory references memory, call
	update_mem_sym_stats_from_stmt for all the direct memory
	symbol references found.
	(intra_create_variable_infos): Set noalias_state field for
	pointer arguments according to the value of
	flag_argument_noalias.
	* tree-ssa-structalias.h (struct alias_info): Remove fields
	num_calls_found and num_pure_const_calls_found.
	(update_mem_sym_stats_from_stmt): Declare.
	* params.def (PARAM_MAX_ALIASED_VOPS): Change description.
	Set default value to 100.
	(PARAM_AVG_ALIASED_VOPS): Define.

From-SVN: r123719
 2007-04-11 12:14:06 -04:00
Daniel Berlin
1296c31f09 tree-ssa-structalias.c (variable_info): Remove finished_solution. 
2007-03-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (variable_info): Remove
	finished_solution.
	(new_var_info): Ditto.
	(shared_bitmap_info_t): New structure.
	(shared_bitmap_table): New variable.
	(shared_bitmap_hash): New function.
	(shared_bitmap_eq): Ditto
	(shared_bitmap_lookup): Ditto.
	(shared_bitmap_add): Ditto.
	(merge_smts_into): Change to take bitmap directly.
	(find_what_p_points_to): Rewrite to use shared bitmap hashtable.
	(init_alias_vars): Init shared bitmap hashtable.
	(delete_points_to_sets): Delete shared bitmap hashtable.
	* tree-ssa-operands.c (add_virtual_operand): Partially revert the
	is_aliased removal as a change that was still necessary was
	deleted.

From-SVN: r122741
 2007-03-09 07:27:44 +00:00
Diego Novillo
6e7e772dce tree-ssa-structalias.c (could_have_pointers): Tidy. 
* tree-ssa-structalias.c (could_have_pointers): Tidy.
	(get_constraint_for): Likewise.
	(do_structure_copy): Likewise.
	(find_func_aliases): Fix references to MODIFY_EXPR.
	(intra_create_variable_infos): Tidy.
	* tree-ssa-operands.c (add_virtual_operand): Add argument
	IS_CALL_SITE.
	When adding members of alias sets, if IS_CALL_SITE is true and
	the symbol is not call-clobbered, skip it.
	Adjust all callers.


testsuite/ChangeLog

	* gcc.dg/tree-ssa/20070302-1.c: New test.

From-SVN: r122484
 2007-03-02 14:20:14 -05:00
Mark Mitchell
fc8600f9c1 extend.texi: Document optional priority argument to constructors and destructors. 
* doc/extend.texi: Document optional priority argument to
	constructors and destructors.
	* tree.c (init_priority_for_decl): Adjust GTY markers.
	(init_ttree): Use priority-info hash functions for
	init_priority_for_decl.
	(tree_map_eq): Rename to ...
	(tree_map_base_eq): ... this.
	(tree_map_marked_p): Rename to ...
	(tree_map_base_marked_p): ... this.
	(tree_map_base_hash): New function.
	(decl_init_priority_lookup): Rework.
	(decl_fini_priority_lookup): New function.
	(decl_priority_info): New function.
	(decl_init_priority_insert): Use it.
	(decl_fini_priority_insert): Likewise.
	(decl_restrict_base_lookup): Adjust for refactoring of tree_map
	hierarchy.
	(decl_restrict_base_insert): Likewise.
	(decl_debug_expr_insert): Likewise.
	(decl_value_expr_lookup): Likewise.
	(decl_value_expr_insert): Likewise.
	* tree.h (priority_type): New type.
	(decl_init_priority_lookup): Use priority_type.
	(decl_fini_priority_lookup): New function.
	(decl_init_priority_insert): Use priority_type.
	(decl_fini_priority_insert): New function.
	(DECL_HAS_INIT_PRIORITY): Tweak comments.
	(DECL_INIT_PRIORITY): Likewise.
	(SET_DECL_INIT_PRIORITY): Add comment.
	(DECL_FINI_PRIORITY): New macro.
	(SET_DECL_FINI_PRIORITY): Likewise.
	(DEFAULT_INIT_PRIORITY): Document.
	(MAX_INIT_PRIORITY): Likewise.
	(MAX_RESERVED_INIT_PRIORITY): Likewise.
	(tree_map_base): New type.
	(tree_map_base_eq): New function.
	(tree_map_base_hash): Likewise.
	(tree_map_base_marked_p): Likewise.
	(tree_map): Inherit from tree_map_base.
	(tree_map_eq): Make it a macro.
	(tree_map_marked_p): Likewise.
	(tree_int_map): Inherit from tree_map_base.
	(tree_int_map_eq): Make it a macro.
	(tree_int_map_hash): Likewise.
	(tree_int_map_marked_p): Likewise.
	(tree_priority_map): New type.
	(tree_priority_map_eq): New macro.
	(tree_priority_map_hash): Likewise.
	(tree_priority_map_marked_p): Likewise.
	* varasm.c (emults_decl): Adjust for refactoring of tree_map
	hierarchy.
	(emutls_common_1): Likewise.
	* lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
	* tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
	of tree_map hierarchy.
	* tree-cfg.c (move_stmt_r): Likewise.
	(new_label_mapper): Likewise.
	* c-tree.h (c_expand_body): Move to ...
	* c-common.h (c_expand_body): ... here.
	* c-decl.c (c_expand_body): Move to ...
	* c-common.c (c_expand_body): ... here.
	(c_common_attribute_table): Allow 1 argument for the constructor
	and destructor attributes.
	(get_priority): New function.
	(handle_constructor_attribute): Set DECL_INIT_PRIORITY.
	(handle_destructor_attribute): Set DECL_FINI_PRIORITY.

	* cp-tree.h (static_ctors): Remove.
	* cp-tree.h (static_dtors): Likewise.
	* cp-objcp-common.c (decl_shadowed_for_var_lookup): Adjust for
	refactoring of tree_map hierarchy.
	(decl_shadowed_for_var_insert): Likewise.
	* semantics.c (expand_body): Use c_expand_body.
	(expand_or_defer_fn): Don't update static_ctors or static_dtors.
	* decl2.c (static_ctors): Remove.
	(static_dtors): Likewise.
	(generate_ctor_or_dtor_function): Pass NULL_TREE to
	objc_generate_static_init_call.  Do not call static_[cd]tors.
	(generate_ctor_and_dtor_functions_for_priority): Do not check for
	static_[cd]tors.
	(cp_write_global_declarations): Likewise.

	* decl.c (annotate_value): Adjust for refactoring of tree_map
	hierarchy.

	* gcc.dg/initpri1.c: New test.
	* gcc.dg/initpri2.c: Likewise.
	* g++.dg/special/initpri1.C: New test.
	* g++.dg/special/initpri2.C: Likewise.
	* g++.dg/special/conpr-1.C: Use init_priority effective target.
	* g++.dg/special/conpr-2.C: Likewise.
	* g++.dg/special/conpr-3.C: Likewise.
	* g++.dg/special/conpr-4.C: Likewise.
	* g++.dg/special/initp1.C: Likewise.
	* g++.dg/special/ecos.exp: Remove code to detect availability of
	constructor priorities.
	* lib/target-support.exp (target_init_priority): New function.

From-SVN: r122315
 2007-02-25 18:47:05 +00:00
Sandra Loosemore
5039610b96 tree.h (enum tree_code_class): Add tcc_vl_exp. 
2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* tree.h (enum tree_code_class): Add tcc_vl_exp.
	(VL_EXP_CLASS_P): New.
	(TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
	TREE_CODE_LENGTH.
	(TREE_OPERAND_CHECK_CODE): Likewise.
	(GIMPLE_STMT_OPERAND_CHECK): Likewise.
	(TREE_RTL_OPERAND_CHECK): Likewise.
	(tree_operand_check_failed): Make second parameter the whole tree
	instead of its code.  Fixed callers.
	(VL_EXP_CHECK): New.
	(TREE_OPERAND_LENGTH): New.
	(VL_EXP_OPERAND_LENGTH): New.
	(CALL_EXPR_FN): New.
	(CALL_EXPR_STATIC_CHAIN): New.
	(CALL_EXPR_ARGS): New.
	(CALL_EXPR_ARG): New.
	(call_expr_nargs): New.
	(CALL_EXPR_ARGP): New.
	(build_nt_call_list): Declare.
	(build_vl_exp_stat): Declare.
	(build_vl_exp): New.
	(build_call_list): Declare.
	(build_call_nary): Declare.
	(build_call_valist): Declare.
	(build_call_array): Declare.
	(call_expr_arg): Declare.
	(call_expr_argp): Declare.
	(call_expr_arglist): Declare.
	(fold_build_call_list): Declare.
	(fold_build_call_list_initializer): Declare.
	(fold_call_expr): Declare to replace fold_builtin.
	(fold_builtin_fputs): Update to agree with modified definition.
	(fold_builtin_strcpy): Likewise.
	(fold_builtin_strncpy): Likewise.
	(fold_builtin_memory_chk): Likewise.
	(fold_builtin_stxcpy_chk): Likewise.
	(fold_builtin_strncpy_chk): Likewise.
	(fold_builtin_next_arg): Likewise.
	(fold_build_call_expr): Declare.
	(fold_builtin_call_list): Declare.
	(fold_builtin_call_valist): Declare.
	(build_call_expr): Declare.
	(validate_arglist): Update to agree with modified definition.
	(tree_operand_length): New.
	(call_expr_arg_iterator): New.
	(init_call_expr_arg_iterator): New.
	(next_call_expr_arg): New.
	(first_call_expr_arg): New.
	(more_call_expr_args_p): New.
	(FOR_EACH_CALL_EXPR_ARG): New.

	* tree.c (tree_code_class_string): Add entries for tcc_vl_exp
	and tcc_gimple_stmt.
	(tree_code_size): Update documentation.  Use sizeof (tree) rather
	than sizeof (char *).
	(tree_size): Likewise.  Add case for tcc_vl_exp.
	(tree_node_structure): Add case for tcc_vl_exp.
	(contains_placeholder_p): Likewise.
	(substitute_in_expr): Likewise.
	(substitute_placeholder_in_expr): Likewise.
	(stabilize_reference_1): Likewise.
	(build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
	to diagnose breakage of this interface for constructing CALL_EXPRs.
	(build_nt): Add similar assertion here.
	(build_nt_call_list): New.
	(simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
	(iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
	TREE_CODE_LENGTH.
	(get_callee_fndecl): Use new CALL_EXPR accessors.
	(tree_operand_check_failed): Change parameters to pass entire node
	instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
	(process_call_operands): New.
	(build_vl_exp_stat): New.
	(build_call_list): New.
	(build_call_nary): New.
	(build_call_valist): New.
	(build_call_array): New.
	(walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
	(call_expr_arglist): New.

	* tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
	tcc_vl_exp instead of a fixed-size tcc_expression.

	* doc/c-tree.texi (CALL_EXPR): Document new representation and
	accessors for CALL_EXPRs.
	(AGGR_INIT_EXPR): Likewise.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* builtins.c (c_strlen): Return NULL_TREE instead of 0.
	(expand_builtin_nonlocal_goto): Change parameter to be entire
	CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
	(expand_builtin_prefetch): Likewise.
	(expand_builtin_classify_type): Likewise.
	(mathfn_built_in): Return NULL_TREE instead of 0.
	(expand_errno_check): Use new CALL_EXPR accessors.
	(expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
	Return NULL_RTX instead of 0.
	(expand_builtin_mathfn_2): Likewise.
	(expand_builtin_mathfn_3): Likewise.
	(expand_builtin_interclass_mathfn): Likewise.
	(expand_builtin_sincos): Likewise.
	(expand_builtin_cexpi): Likewise.
	(expand_builtin_int_roundingfn): Likewise.
	(expand_builtin_int_roundingfn_2): Likewise.
	(expand_builtin_pow): Likewise.
	(expand_builtin_powi): Likewise.
	(expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
	of arglist, fixing callers appropriately.  Use new CALL_EXPR
	accessors and constructors.  Return NULL_RTX instead of 0.
	(expand_builtin_strstr): Likewise.
	(expand_builtin_strchr): Likewise.
	(expand_builtin_strrchr): Likewise.
	(expand_builtin_strpbrk): Likewise.
	(expand_builtin_memcpy): Likewise.
	(expand_builtin_mempcpy): Likewise.
	(expand_builtin_mempcpy_args): New.
	(expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
	(expand_builtin_memmove_args): New.
	(expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
	(expand_movstr): Likewise.
	(expand_builtin_strcpy): Likewise.
	(expand_builtin_strcpy_args): New.
	(expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
	(expand_builtin_strncpy): Likewise.
	(expand_builtin_memset): Likewise.
	(expand_builtin_memset_args): New.
	(expand_builtin_bzero): Similarly to expand_builtin_memset.
	(expand_builtin_memcmp): Likewise.
	(expand_builtin_strcmp): Likewise.
	(expand_builtin_strncmp): Likewise.
	(expand_builtin_strcat): Likewise.
	(expand_builtin_strncat): Likewise.
	(expand_builtin_strspn): Likewise.
	(expand_builtin_strcspn): Likewise.
	(expand_builtin_args_info): Likewise.
	(expand_builtin_va_start): Likewise.
	(gimplify_va_arg_expr): Likewise.
	(expand_builtin_va_end): Likewise.
	(expand_builtin_va_copy): Likewise.
	(expand_builtin_frame_address): Likewise.
	(expand_builtin_alloca): Likewise.
	(expand_builtin_bswap): Likewise.
	(expand_builtin_unop): Likewise.
	(expand_builtin_fputs): Likewise.
	(expand_builtin_expect): Likewise.
	(expand_builtin_fabs): Likewise.
	(expand_builtin_copysign): Likewise.
	(expand_builtin_printf): Likewise.
	(expand_builtin_fprintf): Likewise.
	(expand_builtin_sprintf): Likewise.
	(expand_builtin_init_trampoline): Likewise.
	(expand_builtin_signbit): Likewise.
	(expand_builtin_fork_or_exec): Likewise.
	(expand_builtin_sync_operation): Likewise.
	(expand_builtin_compare_and_swap): Likewise.
	(expand_builtin_lock_test_and_set): Likewise.
	(expand_builtin_lock_release): Likewise.
	(expand_builtin): Likewise.
	(builtin_mathfn_code): Likewise.

	(fold_builtin_constant_p): Pass call arguments individually instead
	of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
	accessors and constructors.  Return NULL_TREE instead of 0.
	(fold_builtin_expect): Likewise.
	(fold_builtin_classify_type): Likewise.
	(fold_builtin_strlen): Likewise.
	(fold_builtin_nan): Likewise.
	(integer_valued_real_p): Likewise.
	(fold_trunc_transparent_mathfn): Likewise.
	(fold_fixed_mathfn): Likewise.
	(fold_builtin_cabs): Likewise.
	(fold_builtin_sqrt): Likewise.
	(fold_builtin_cbrt): Likewise.
	(fold_builtin_cos): Likewise.
	(fold_builtin_cosh): Likewise.
	(fold_builtin_tan): Likewise.
	(fold_builtin_sincos): Likewise.
	(fold_builtin_cexp): Likewise.
	(fold_builtin_trunc): Likewise.
	(fold_builtin_floor): Likewise.
	(fold_builtin_ceil): Likewise.
	(fold_builtin_round): Likewise.
	(fold_builtin_int_roundingfn): Likewise.
	(fold_builtin_bitop): Likewise.
	(fold_builtin_bswap): Likewise.
	(fold_builtin_logarithm): Likewise.
	(fold_builtin_hypot): Likewise.
	(fold_builtin_pow): Likewise.
	(fold_builtin_powi): Likewise.
	(fold_builtin_exponent): Likewise.
	(fold_builtin_memset): Likewise.
	(fold_builtin_bzero): Likewise.
	(fold_builtin_memory_op): Likewise.
	(fold_builtin_bcopy): Deleted; call site changed to invoke
	fold_builtin_memory_op directly.
	(fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
	(fold_builtin_strncpy): Likewise.
	(fold_builtin_memcmp): Likewise.
	(fold_builtin_strcmp): Likewise.
	(fold_builtin_strncmp): Likewise.
	(fold_builtin_signbit): Likewise.
	(fold_builtin_copysign): Likewise.
	(fold_builtin_isascii): Likewise.
	(fold_builtin_toascii): Likewise.
	(fold_builtin_isdigit): Likewise.
	(fold_builtin_fabs): Likewise.
	(fold_builtin_abs): Likewise.
	(fold_builtin_fmin_fmax): Likewise.
	(fold_builtin_carg): Likewise.
	(fold_builtin_classify): Likewise.
	(fold_builtin_unordered_cmp): Likewise.

	(fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
	New functions split out from fold_builtin_1.
	(fold_builtin_n): New.
	(fold_builtin_varargs): New.
	(fold_builtin): Deleted.  Most callers changed to use fold_call_expr
	instead.
	(fold_call_expr): New.
	(build_function_call_expr): Rewrite to use new helper function.
	(fold_builtin_call_list): New.
	(build_call_expr): New.
	(fold_builtin_call_valist): New.
	(rewrite_call_expr): New.
	(validate_arg): New.
	(validate_arglist): Change parameter to be entire CALL_EXPR instead
	of an arglist.  Change return type to bool.  Use new CALL_EXPR
	accessors.

	(fold_builtin_strstr):  Pass call arguments individually instead
	of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
	accessors and constructors.  Return NULL_TREE instead of 0.
	(fold_builtin_strchr): Likewise.
	(fold_builtin_strrchr): Likewise.
	(fold_builtin_strpbrk): Likewise.
	(fold_builtin_strcat): Likewise.
	(fold_builtin_strncat): Likewise.
	(fold_builtin_strspn): Likewise.
	(fold_builtin_strcspn): Likewise.
	(fold_builtin_fputs): Likewise.
	(fold_builtin_next_arg): Likewise.
	(fold_builtin_sprintf): Likewise.

	(expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
	NULL_RTX instead of 0.
	(expand_builtin_memory_chk): Likewise.
	(maybe_emit_chk_warning): Likewise.
	(maybe_emit_sprintf_chk_warning): Likewise.

	(fold_builtin_object_size): Pass call arguments individually instead
	of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
	accessors and constructors.  Return NULL_TREE instead of 0.
	(fold_builtin_memory_chk): Likewise.
	(fold_builtin_stxcpy_chk): Likewise.
	(fold_builtin_strncpy_chk): Likewise.
	(fold_builtin_strcat_chk): Likewise.
	(fold_builtin_strcat_chk): Likewise.
	(fold_builtin_strncat_chk): Likewise.
	(fold_builtin_sprintf_chk): Likewise.
	(fold_builtin_snprintf_chk): Likewise.
	(fold_builtin_printf): Likewise.
	(fold_builtin_vprintf): Likewise.

	* fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
	constructors.
	(operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
	(make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
	(extract_muldiv_1): Add VL_EXP_CLASS_P case.
	(fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
	(fold_unary): Likewise.
	(fold_binary): Likewise.
	(fold_ternary): Remove CALL_EXPR case, since they are no longer
	ternary expressions.
	(fold): Add logic for tcc_vl_exp.
	(fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
	TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
	(fold_build3_stat): Add assertion to flag broken interface for
	constructing CALL_EXPRs.
	(fold_build_call_list): New.
	(fold_build_call_list_initializer): New.
	(tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
	constructors.
	(fold_strip_sign_ops): Likewise.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
	accessors and dump arguments explicitly.

	* tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
	TREE_CODE_LENGTH.
	(dump_generic_node): Use new CALL_EXPR accessors and walk arguments
	explicitly.
	(print_call_name): Use new CALL_EXPR accessors.

	* print-tree.c (print_node): Add case tcc_vl_exp.  Print
	CALL_EXPR arguments explicitly instead of as a list.  Use
	TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.

	* tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
	(vrp_visit_stmt): Likewise.

	* tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
	know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
	TREE_CODE_LENGTH.
	(force_move_till_expr): Likewise.

	* targhooks.c (default_external_stack_protect_fail): Use
	build_call_expr instead of build_function_call_expr.
	(default_hidden_stack_protect_fail): Likewise.

	* tree-complex.c (expand_complex_libcall): Use build_call_expr to
	build the call.

	* cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
	and walk arguments explicitly.

	* tree-ssa-loop-niter.c (simplify_replace_tree): Use
	TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
	(expand_simple_operations): Likewise.
	(infer_loop_bounds_from_array): Use new CALL_EXPR accessors.

	* gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
	of TREE_CODE_LENGTH.
	(walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.

	* optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
	instead of TREE_CODE_LENGTH.

	* value_prof.c (tree_ic): Use new CALL_EXPR accessors.
	(tree_ic_transform): Likewise.
	(interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
	parameter instead of arglist.  Fix callers.
	(tree_stringop_fixed_value): Use new CALL_EXPR accessors.
	(tree_stringops_transform): Likewise.
	(tree_indirect_call_to_profile): Likewise.
	(tree_stringops_values_to_profile): Likewise.

	* tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
	(eliminate_tail_call): Likewise.

	* ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.

	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
	Use TREE_OPERAND_LENGTH and generalize to handle any number of
	operands.
	(instantiate_parameters_1): Can't handle tcc_vl_exp here.

	* omp-low.c (build_omp_barrier): Use build_call_expr.
	(lower_rec_input_clauses): Likewise.
	(lower_reduction_clauses): Likewise.
	(expand_parallel_call): Likewise.
	(maybe_catch_exception): Likewise.
	(expand_omp_for_generic): Likewise.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_sections): Likewise.
	(lower_omp_single_simple): Likewise.
	(lower_omp_single_copy): Likewise.
	(lower_omp_master): Likewise.
	(lower_omp_ordered): Likewise.
	(lower_omp_critical): Likewise.

	* ipa-reference.c (check-call): Use new CALL_EXPR iterator.
	(scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.

	* tree-gimple.c (is_gimple_call_addr): Fix doc.
	(recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
	TREE_CODE_LENGTH.  Add tcc_vl_exp case.

	* tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
	and generalize to handle any number of operands.
	(chrec_contains_undetermined): Likewise.
	(tree_contains_chrecs): Likewise.
	(evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.

	* cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.

	* tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
	fold_call_expr instead of fold_builtin.
	(ccp_fold_builtin): Likewise.  Update calls into builtins.c to
	match declarations there.
	(fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
	updates.

	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
	TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.

	* ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
	(scan_function): Add case tcc_vl_exp for CALL_EXPR.

	* tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
	accessors.

	* tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
	(execute_cse_sincos): Use new CALL_EXPR accessors.

	* tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.

	* gimple-low.c (lower_function_body): Use build_call_expr.
	(lower_builtin_setjmp): Likewise.

	* expr.c (emit_block_move_via_libcall): Use build_call_expr.
	(set_storage_via_libcall): Likewise.
	(safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
	instead of TREE_CODE_LENGTH.
	(expand_expr_real_1): Use new CALL_EXPR accessors.

	* tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
	generalize to handle any number of operands.
	(TB_parent_eq): Likewise.

	* predict.c (expr_expected_value): Use new CALL_EXPR accessors.
	(strip_builtin_expect): Likewise.

	* function.c (gimplify_parameters): Use build_call_expr.

	* tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
	instead of TREE_CODE_LENGTH.

	* ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
	(scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.

	* tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
	iterators.

	* gimplify.c (build_stack_save_restore): Use build_call_expr.
	(gimplify_decl_expr): Likewise.
	(gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
	Use new CALL_EXPR iterators.
	(gimplify_modify_expr_to_memcpy): Use build_call_expr.
	(gimplify_modify_expr_to_memset): Likewise.
	(gimplify_variable_sized_compare): Likewise.
	(gimplify_omp_atomic_fetch_op): Likewise.
	(gimplify_omp_atomic_pipeline): Likewise.
	(gimplify_omp_atomic_mutex): Likewise.
	(gimplify_function_tree): Likewise.

	* calls.c (alloca_call_p): Use new CALL_EXPR accessors.
	(call_expr_flags): Likewise.
	(expand_call): Likewise.

	* except.c (expand_builtin_eh_return_data_regno): Pass entire
	CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR 
        accessors.

	* coverage.c (create_coverage): Use build_call_expr.

	* tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
	(temp_call_expr_obstack): New.
	(pool_copy_list): Delete.
	(temp_copy_call_expr): New.
	(phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
	CALL_EXPR accessors.  Get rid of special goo for copying argument
	lists and use temp_copy_call_expr instead.
	(valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
	CALL_EXPR accessors.
	(create_expression_by_pieces): Likewise.  Use build_call_array
	to construct the result instead of fold_build3.
	(create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
	dealing with argument lists.
	(init_pre): Remove references to expression_node_pool and
	list_node_pool.  Init temp_call_expr_obstack instead.
	(fini_pre): Remove references to expression_node_pool and
	list_node_pool.

	* tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
	and walk arguments explicitly instead of as a list.

	* tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
	(mx_register_decls): Likewise.
	(mudflap_register_call): Likewise.
	(mudflap_finish_file): Likewise.

	* ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
	(ipa_callsite_compute_param): Likewise.

	* tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
	accessors and constructor.

	* tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
	accessors and constructor.
	(convert_tramp_reference): Likewise. 
	(convert_call_expr): Likewise.
	(finalize_nesting_tree_1): Likewise.

	* tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
	accessors.

	* tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.

	* tree-inline.c (initialize_inlined_parameters): Pass entire
	CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
	accessors.
	(estimate_num_insns_1): Use new CALL_EXPR accessors.
	(expand_call_inline): Tidy up call to initialize_inlined_parameters.

	* tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
	TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
	(vectorizable_reduction): Likewise.
	(vectorizable_call): Use new CALL_EXPR iterators.
	(vectorizable_conversion): Use build_call_expr.
	(vectorizable_operation): Use TREE_OPERAND_LENGTH.
	(vect_gen_widened_results_half): Use build_call_expr.
	(vect_setup_realignment): Likewise.
	(vectorizable_live_operation): Use TREE_OPERAND_LENGTH.

	* tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
	(pass_through_call): Likewise.
	(compute_object_sizes): Likewise.  Use fold_call_expr instead of
	fold_builtin.

	* tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
	(tree_gen_pow2_profiler): Likewise.
	(tree_gen_one_value_profiler): Likewise.
	(tree_gen_ic_func_profiler): Likewise.
	(tree_gen_average_profiler): Likewise.
	(tree_gen_ior_profiler): Likewise.

	* tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
	(find_func_aliases): Use new CALL_EXPR accessors.  Add case
	tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.

	* tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
	of TREE_CODE_LENGTH.

	* stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
	of TREE_CODE_LENGTH.

	* convert.c (convert_to_real): Use new CALL_EXPR accessors and
	constructor.
	(convert_to_integer): Likewise.

	* tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
	accessors.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
	accessors.
	* config/frv/frv.c (frv_expand_builtin): Likewise.
	* config/s390/s390.c (s390_expand_builtin): Likewise.

	* config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
	(sparc_expand_builtin): Use new CALL_EXPR accessors.

	* config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
	(ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
	instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
	(ix86_expand_store_builtin): Likewise.
	(ix86_expand_unop_builtin): Likewise.
	(ix86_expand_unop1_builtin): Likewise.
	(ix86_expand_sse_compare): Likewise.
	(ix86_expand_sse_comi): Likewise.
	(ix86_expand_vec_init_builtin): Likewise.
	(ix86_expand_vec_ext_builtin): Likewise.
	(ix86_expand_vec_set_builtin): Likewise.
	(ix86_expand_builtin): Use new CALL_EXPR accessors.

	* config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
	* config/c4x/c4x.c (c4x_expand_builtin): Likewise.

	* config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
	instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(iq2000_expand_builtin): Use new CALL_EXPR accessors.

	* config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
	build_call_expr.
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
	(rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
	arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(altivec_expand_abs_builtin): Likewise.
	(rs6000_expand_binop_builtin): Likewise.
	(altivec_expand_predicate_builtin): Likewise.
	(altivec_expand_lv_builtin): Likewise.
	(spe_expand_stv_builtin): Likewise.
	(altivec_expand_stv_builtin): Likewise.
	(rs6000_expand_ternop_builtin): Likewise.
	(altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
	(altivec_expand_st_builtin): Likewise.
	(altivec_expand_dst_builtin): Likewise.
	(altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
	arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(altivec_expand_vec_set_builtin): Likewise.
	(altivec_expand_vec_ext_builtin): Likewise.
	(altivec_expand_builtin): Use new CALL_EXPR accessors.
	(spe_expand_builtin): Likewise.
	(spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
	arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(spe_expand_evsel_builtin): Likewise.
	(rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
	FCFSX cases must construct whole new CALL_EXPR, not just arglist.

	* config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
	instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(arm_expand_unop_builtin): Likewise.
	(arm_expand_builtin): Use new CALL_EXPR accessors.

	* config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
	accessors.

	* config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
	instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
	(bfin_expand_unop_builtin): Likewise.
	(bfin_expand_builtin): Use new CALL_EXPR accessors.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* c-semantics.c (build_stmt): Add internal diagnostic check.

	* c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
	accessors.  Print arguments explicitly instead of as a list.

	* c-typeck.c (build_function_call): Use new CALL_EXPR constructors.

	* c-omp.c (c_finish_omp_barrier): Use build_call_expr.
	(c_finish_omp_flish): Likewise.

	* c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
	arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
	instead of TREE_CODE_LENGTH.
	(check_function_arguments_recurse): Use new CALL_EXPR accessors.
	(c_warn_unused_result): Likewise.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* cp-tree.def (AGGR_INIT_EXPR): Adjust documentation.
	Change class to tcc_vl_exp.

	* call.c (build_call): Use build_call_list instead 
	of build3. 
	(build_over_call): Likewise.
	(build_new_method_call): Use build_min_non_dep_call_list 
	instead of build_min_non_dep.

	* error.c (dump_call_expr_args): New function.
	(dump_aggr_init_expr_args): New function.
	(dump_expr) <AGGR_INIT_EXPR, CALL_EXPR, INDIRECT_REF>: Use them. 
	Update to use new CALL_EXPR and AGGR_INIT_EXPR accessor macros.

	* cvt.c (convert_to_void): Use build_call_array instead
	of build3; use new AGGR_INIT_EXPR accessor macros.

	* mangle.c (write_expression): Use TREE_OPERAND_LENGTH
	instead of TREE_CODE_LENGTH.

	* dump.c (cp_dump_tree) <AGGR_INIT_EXPR>: Update to use new
	AGGR_INIT_EXPR accessor macros.

	* cp-gimplify.c (cp_gimplify_init_expr): Use 
	AGGR_INIT_EXPR_SLOT to set the slot operand.

	* cp-tree.h (AGGR_INIT_EXPR_FN): New macro.
	(AGGR_INIT_EXPR_SLOT): New macro.
	(AGGR_INIT_EXPR_ARG): New macro.
	(aggr_init_expr_nargs): New macro.
	(AGGR_INIT_EXPR_ARGP): New macro.
	(aggr_init_expr_arg_iterator): New.
	(init_aggr_init_expr_arg_iterator): New.
	(next_aggr_init_expr_arg): New.
	(first_aggr_init_expr_arg): New.
	(more_aggr_init_expr_args_p): New.
	(FOR_EACH_AGGR_INIT_EXPR_ARG): New.
	(stabilize_aggr_init): New declaration.
	(build_min_non_dep_call_list): Likewise.

	* tree.c (process_aggr_init_operands): New function.
	(build_aggr_init_array) New function.
	(build_cplus_new): Update to use new CALL_EXPR and
	AGGR_INIT_EXPR accessor macros. Replace use of build3 with
	build_aggr_init_array.
	(build_min_non_dep_call_list) New function.
	(build_min_nt): Assert input code parameter is not a variable
	length expression class.
	(build_min, build_min_non_dep): Likewise.
	(cp_tree_equal) <CALL_EXPR>: Iterate through the arguments
	to check for equality instead of recursing. Handle tcc_vl_exp
	tree code classes.
	(stabilize_call): Update to only handle CALL_EXPRs, not 
	AGGR_INIT_EXPRs; use new CALL_EXPR accessor macros.
	(stabilize_aggr_init): New function.
	(stabilize_init): Use it.

	* cxx-pretty-print.c (pp_cxx_postfix_expression)
	<AGGR_INIT_EXPR, CALL_EXPR>: Update to use new CALL_EXPR and
	AGGR_INIT_EXPR accessor macros and argument iterators.
	
	* pt.c (tsubst_copy) <CALL_EXPR>: Replace build_nt with
	build_vl_exp. Iterate through the operands, recursively 
	processing each one.
	(tsubst_copy_and_build) <CALL_EXPR>: Update to use new
	CALL_EXPR accessor macros.
	(value_dependent_expression_p) <default>: Handle tcc_vl_exp
	tree code classes. Use TREE_OPERAND_LENGTH instead of 
	TREE_CODE_LENGTH.

	* semantics.c (finish_call_expr): Use build_nt_call_list
	instead of build_nt.
	(simplify_aggr_init_expr): Update to use new AGGR_INIT_EXPR 
	accessor macros. Use build_call_array to construct the 
	CALL_EXPR node instead of build3
	
	* decl2.c (build_offset_ref_call_from_tree): Use 
	build_nt_call_list and build_min_non_dep_call_list instead
	of build_min_nt and build_min_non_dep.

	* parser.c (cp_parser_postfix_expression) <CPP_OPEN_PAREN>:
	Use build_nt_call_list instead of build_min_nt.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* java-tree.h (BUILD_MONITOR_ENTER): Use build_call_nary instead
	of build3.
	(BUILD_MONITOR_EXIT): Likewise.

	* java-gimplify.c (java_gimplify_component_ref): Use build_call_expr.
	(java_gimplify_modify_expr): Likewise.

	* class.c (cache_this_class_ref): Use build_call_expr.
	(build_static_field_ref): Likewise.
	(emit_indirect_register_classes): Likewise.
	(emit_register_classes): Likewise.

	* resource.c (write_resource_constructor): Use build_call_expr.

	* builtins.c (builtin_creator_function): Change interpretation of
	the second parameter to be the whole CALL_EXPR instead of the arglist.
	(max_builtin): Tweak parameter list.  Use new CALL_EXPR accessors.
	(min_builtin): Likewise.
	(abs_builtin): Likewise.
	(java_build_function_call_expr): Likewise.
	(convert_real): Likewise.
	(UNMARSHAL3): Likewise.
	(UNMARSHAL4): Likewise.
	(UNMARSHAL5): Likewise.
	(build_arglist_for_builtin): Delete.  Fix callers to use
	build_call_expr instead.
	(putObject_builtin): Tweak parameter list.  Use new CALL_EXPR
	accessors.
	(compareAndSwapInt_builtin): Likewise.
	(compareAndSwapLong_builtin): Likewise.
	(compareAndSwapObject_builtin): Likewise.
	(putVolatile_builtin): Likewise.
	(getVolatile_builtin): Likewise.
	(VMSupportsCS8_builtin): Likewise.
	(check_for_builtin): Pass entire CALL_EXPR to builtin expander
	instead of arglist.

	* expr.c (build_java_athrow): Use build_call_nary instead of build3.
	(build_java_throw_out_of_bounds_exception): Likewise.
	(java_check_reference): Likewise.
	(build_java_arraystore_check): Likewise.
	(build_newarray): Likewise.
	(build_anewarray): Likewise.
	(expand_java_multinewarray): Use build_call_list instead of build3.
	(build_java_monitor): Use build_call_nary instead of build3.
	(java_create_object): Likewise.
	(expand_java_NEW): Likewise.
	(build_instanceof): Likewise.
	(expand_java_CHECKCAST): Likewise.
	(build_java_soft_divmod): Likewise.
	(build_java_binop): Likewise.
	(build_field_ref): Likewise.
	(build_class_init): Likewise.
	(rewrite_arglist_getcaller): Use build_call_expr.
	(build_invokeinterface):  Use build_call_nary instead of build3.
	(expand_invoke): Use build_call_list instead of build3.
	(build_jni_stub): Use build_call_nary, build_call_list, or
	build_call_expr instead	of build3.
	(expand_java_field_op): Use build_call_expr instead of build3.
	(force_evaluation_order): Use new CALL_EXPR accessors.

	* lang.c (java_get_callee_fndecl): Use new CALL_EXPR accessors.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* objc-act.c (receiver_is_class_object): Use new CALL_EXPR accessors.
	(objc_get_callee_fndecl): Likewise.

2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
	    Brooks Moses  <brooks.moses@codesourcery.com>
	    Lee Millward  <lee.millward@codesourcery.com>

	* trans-expr.c (gfc_conv_power_op): Use build_call_expr.
	(gfc_conv_string_tmp): Likewise.
	(gfc_conv_concat_op): Likewise.
	(gfc_build_compare_string): Likewise.
	(gfc_conv_function_call): Use build_call_list instead of build3.

	* trans-array.c (gfc_trans_allocate_array_storage): Use
	build_call_expr.
	(gfc_grow_array): Likewise.
	(gfc_trans_array_ctor_element): Likewise.
	(gfc_trans_array_constructor_value): Likewise.
	(gfc_array_allocate): Likewise.
	(gfc_array_deallocate): Likewise.
	(gfc_trans_auto_array_allocation): Likewise.
	(gfc_trans_dummy_array_bias): Likewise.
	(gfc_conv_array_parameter): Likewise.
	(gfc_trans_dealloc_allocated): Likewise.
	(gfc_duplicate_allocatable): Likewise.

	* trans-openmp.c (gfc_trans_omp_barrier): Use build_call_expr.
	(gfc_trans_omp_flush): Likewise.

	* trans-stmt.c (gfc_conv_elementel_dependencies): Use build_call_expr.
	(gfc_trans_pause): Likewise.
	(gfc_trans_stop): Likewise.
	(gfc_trans_character_select): Likewise.
	(gfc_do_allocate): Likewise.
	(gfc_trans_assign_need_temp): Likewise.
	(gfc_trans_pointer_assign_need_temp): Likewise.
	(gfc_trans_forall_1): Likewise.
	(gfc_trans_where_2): Likewise.
	(gfc_trans_allocate): Likewise.
	(gfc_trans_deallocate): Likewise.

	* trans.c (gfc_trans_runtime_check): Use build_call_expr.

	* trans-io.c (gfc_trans_open): Use build_call_expr.
	(gfc_trans_close): Likewise.
	(build_filepos): Likewise.
	(gfc_trans_inquire): Likewise.
	(NML_FIRST_ARG): Delete.
	(NML_ADD_ARG): Delete.
	(transfer_namelist_element): Use build_call_expr.
	(build_dt): Likewise.
	(gfc_trans_dt_end): Likewise.
	(transfer_expr): Likewise.
	(transfer_array-desc): Likewise.

	* trans-decl.c (gfc_generate_function_code): Use build_call_expr.
	(gfc_generate_constructors): Likewise.

	* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Use build_call_expr.
	(gfc_conv_intrinsic_fdate): Likewise.
	(gfc_conv_intrinsic_ttynam): Likewise.
	(gfc_conv_intrinsic_array_transfer): Likewise.
	(gfc_conv_associated): Likewise.
	(gfc_conv_intrinsic_si_kind): Likewise.
	(gfc_conv_intrinsic_trim): Likewise.
	(gfc_conv_intrinsic_repeat: Likewise.
	(gfc_conv_intrinsic_iargc): Likewise.

Co-Authored-By: Brooks Moses <brooks.moses@codesourcery.com>
Co-Authored-By: Lee Millward <lee.millward@codesourcery.com>

From-SVN: r122018
 2007-02-15 18:50:49 -05:00
Diego Novillo
d37d06fef8 re PR tree-optimization/30562 (remove unused variable is removing a referenced variable (in STORED_SYMS or LOADED_SYMS)) 
PR 30562
	* tree-flow.h (struct var_ann_d): Remove field 'is_used'.
	Update all users.
	* tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
	users.
	(init_alias_info):
	* tree-ssa-live.c (remove_unused_locals): Do not remove
	TREE_ADDRESSABLE variables.
	* tree-ssa-structalias.c (compute_points_to_sets): Tidy.
	* tree-ssa-operands.c (add_virtual_operand): Remove argument
	FOR_CLOBBER.  Update all users.
	If VAR has an associated alias set, add a virtual operand for
	it if no alias is found to conflict with the memory reference.

From-SVN: r121715
 2007-02-08 11:55:43 -05:00
Paolo Bonzini
15814ba0a2 Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency. 
2006-02-06  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
	(tree-ssa-reassoc.o): Add pointer-set.h dependency.
	(tree-cfg.o): Remove hashtab.h dependency.

	* tree-ssa-loop-ivopts.c: Include pointer-set.h.
	(struct ivopts_data): Change niters to pointer_map_t.
	(struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
	(niter_for_exit): Create pointer_map on demand.  Change for
	pointer_map API.
	(tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
	(free_loop_data): Destroy data->niters if created and reset field.
	(tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
	(tree_ssa_iv_optimize_loop): Check for presence of stale data.

	* tree-ssa-reassoc.c: Include pointer-set.h.
	(bb_rank): Change to long *.
	(operand_rank): Change to pointer_map_t.
	(find_operand_rank): Return long, -1 if not found.  Declare as inline.
	(insert_operand_rank): Accept long.
	(operand_entry_hash, operand_entry_eq): Remove.
	(get_rank): Return long.  Adjust for changes above.
	(init_reassoc): Change rank type to long.  Adjust creation of bb_rank
	and operand_rank.
	(fini_reassoc): Delete operand_rank with pointer_map_destroy.

	* tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
	(struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
	(insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
	is not NULL.
	(lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
	directly since it cannot be NULL.
	(get_vi_for_tree): Rewrite for pointer_map API.
	(find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
	(init_alias_vars): Create vi_for_tree as pointer_map.
	(delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.

	* tree-cfg.c: Don't include hashtab.h.
	(edge_to_cases): Declare as pointer_map.
	(struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
	Delete.
	(edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
	(start_recording_case_labels): Create edge_to_cases as pointer_map.
	(end_recoding_case_labels): Cleanup edge_to_cases manually before
	destroying it.
	(record_switch_edge): Delete.
	(get_cases_for_edge): Adjust for pointer_map API, inline
	record_switch_edge (rewritten for new API), remove goto.

From-SVN: r121648
 2007-02-06 14:34:51 +00:00
Roger Sayle
62e5bf5d42 alias.c (init_alias_analysis): Correct whitespace. 
* alias.c (init_alias_analysis): Correct whitespace.
	* bb-reorder.c (fix_edges_for_rarely_executed_code,
	partition_hot_cold_basic_blocks): Likewise.
	* builtins.c (expand_builtin_printf, expand_builtin_fprintf,
	expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
	maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
	fold_builtin_snprintf_chk, fold_builtin_printf,
	fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
	do_mpfr_arg3, do_mpfr_sincos): Likewise.
	* cfgcleanup.c (cleanup_cfg): Likewise.
	* cfgexpand.c (tree_expand_cfg): Likewise.
	* fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
	* function.c (get_next_funcdef_no): Likewise.
	* gengtype.c (main): Likewise.
	* genmodes.c (main): Likewise.
	* gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
	* haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
	* ifcvt.c (noce_emit_move_insn): Likewise.
	* modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
	Likewise.
	* stor-layout.c (get_best_mode): Likewise.
	* tree-ssa-loop-niter.c (get_val_for): Likewise.
	* tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
	scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
	perform_var_substitution, solve_graph): Likewise.
	* tree-vrp.c (vrp_finalize): Likewise.

From-SVN: r121470
 2007-02-01 20:32:20 +00:00
Daniel Berlin
306219a28d tree.h (struct tree_memory_tag): Add aliases member. 
2007-01-28  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (struct tree_memory_tag): Add aliases member.
	(MTAG_ALIASES): New macro.
	* tree-ssa-alias.c (alias_bitmap_obstack): New variable.
	(add_may_alias): Remove pointer-set. Update for may_aliases being
	a bitmap. 
	(mark_aliases_call_clobbered): Update for may_aliases being a
	bitmap.
	(compute_tag_properties): Ditto.
	(create_partition_for): Ditto.
	(compute_memory_partitions): Ditto.
	(dump_may_aliases_for): Ditto.
	(is_aliased_with): Ditto.
	(add_may_alias_for_new_tag): Ditto.
	(rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
	(compute_is_aliased): New function.
	(compute_may_aliases): Call compute_is_aliased).
	(init_alias_info): Initialize alias_bitmap_obstack.
	(union_alias_set_into): New function.
	(compute_flow_sensitive_aliasing): Use union_aliases_into.
	(have_common_aliases_p): Rewrite to take two bitmaps and use
	intersection.
	(compute_flow_insensitive_aliasing): Stop using pointer-sets.
	Update for bitmaps.
	(finalize_ref_all_pointers): Update for add_may_alias changes.
	(new_type_alias): Ditto.
	* tree-flow-inline.h (may_aliases): Return a bitmap.
	* tree-dfa.c (dump_variable): Check for MTAG_P'ness.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Update for
	may_aliases being a bitmap.
	* tree-flow.h (struct var_ann_d): Remove may_aliases member.
	may_aliases now returns a bitmap.
	* tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
	being a bitmap.
	* tree-ssa-operands.c (add_virtual_operand): Update for
	may_aliases being a bitmap.

From-SVN: r121302
 2007-01-29 19:38:00 +00:00
Daniel Berlin
48e540b04f re PR tree-optimization/30630 (Trunk GCC hangs while compiling cpu2k6/perlbench at -O2) 
2007-01-29  Daniel Berlin  <dberlin@dberlin.org>

	PR tree-optimization/30630
	* tree-ssa-structalias.c (do_complex_constraint): Mark correct
	variable as changed.

From-SVN: r121295
 2007-01-29 17:25:04 +00:00
Daniel Berlin
d3c3697412 tree-ssa-structalias.c (solve_graph): Handle case we merged the variable to another. 
2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
	Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (solve_graph): Handle case
	we merged the variable to another.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r121202
 2007-01-26 12:36:01 +00:00
Jan Hubicka
c9fa8bd45b tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars. 
* tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
        * tree-ssa-structalias.c (compute_points_to_sets): Do call
        init_alias_heapvars.
        (init_alias_heapvars): Initialize only when not already initialized.
        (delete_alias_heapvars): Set heapvar_for_stmt to NULL.

From-SVN: r120983
 2007-01-20 00:13:38 +00:00
Dirk Mueller
23e739936e tree-ssa-alias.c (perform_var_substitution): Fix typo in dump_flags test. 
2007-01-19  Dirk Mueller  <dmueller@suse.de>

       * tree-ssa-alias.c (perform_var_substitution): Fix typo
       in dump_flags test.

From-SVN: r120954
 2007-01-19 11:51:25 +00:00
Daniel Berlin
3e5937d7b3 tree-ssa-structalias.c: Update comments. 
2007-01-18  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c: Update comments.
	(ptabitmap_obstack): Removed.
	(pta_obstack): New.
	(oldpta_obstack): Ditto.
	(stats): Add a few members.
	(struct variable_info): Remove node, complex, address_taken, and
	indirect_target members. Add oldsolution member.
	(new_var_info): Do not initialize removed members.
	(constraint_expr_type): Remove INCLUDES.
	(constraint_graph): Add size, implicit_preds, rep,
	indirect_cycles, eq_rep, label, direct_nodes, and complex members.
	(FIRST_REF_NODE): New macro.
	(LAST_REF_NODE): Ditto.
	(FIRST_ADDR_NODE): Ditto.
	(find): New function.
	(unite): Ditto.
	(dump_constraint): Do not handle INCLUDES.
	(insert_into_complex): Do not insert duplicate constraints.
	(condense_varmap_nodes): Renamed and rewritten into ...
	(merge_node_constraints): This. Also fix bug in handling of
	offseted copy constraints.
	(clear_edges_for_node): No longer need to deal with preds at all,
	or removing associated preds/succs. 
	(merge_graph_nodes): Deal with indirect_cycles.
	Don't deal with predecessors.
	(add_implicit_graph_edge): New function.
	(add_pred_graph_edge): Ditto.
	(add_graph_edge): Don't deal with predecessors.
	(build_constraint_graph): Removed.
	(build_pred_graph): New function.
	(build_succ_graph): Ditto.
	(struct scc_info): Removed in_component. Added roots, dfs, and
	node_mapping. Remove visited_index, unification_queue.
	(scc_visit): Deal with union-find we do now.
	Deal with cycles with REF nodes.
	(collapse_nodes): Renamed and rewritten to ...
	(unify_nodes): This.
	(process_unification_queue): Removed.
	(topo_visit): Cleanup
	(do_da_constraint): Use find.
	(do_sd_constraint): Ditto.
	(do_ds_constraint): Ditto.
	(do_complex_constraint): Ditto.
	(init_scc_info): Update for removed and added members.
	(find_and_collapse_graph_cycles): Renamed and rewritten into ...
	(find_indirect_cycles): This.
	(equivalence_class): New variable.
	(label_visit): New function.
	(perform_variable_substitution): Rewritten.
	(free_var_substitution_info): New function.
	(find_equivalent_node): Ditto.
	(move_complex_constraints): Ditto.
	(eliminate_indirect_cycles): Ditto.
	(solve_graph): Only propagate changed bits.
	Use indirect cycle elimination.
	Use find.
	(tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
	(tree_id_eq): Renamed to ...
	(tree_vi_eq): This. Update for member change
	(insert_id_for_tree): Renamed and rewritten to ...
	(insert_vi_for_tree): This.
	(lookup_id_for_tree): Renamed and rewritten to ...
	(lookup_vi_for_tree): This.
	(get_id_for_tree): Renamed and rewritten to ...
	(get_vi_for_tree): Ditto.
	(get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
	(process_constraint): Don't handle INCLUDES.
	Remove special ADDRESSOF case.
	(find_func_aliases): Rewrite to use vi functions instead of id
	ones.
	(create_function_info_for): Ditto.
	(create_variable_info_for): Ditto.
	(intra_create_variable_infos): Ditto.
	(merge_smts_into): Ditto.
	(find_what_p_points_to): Ditto.
	(init_base_vars): Ditto.
	(init_alias_vars): Ditto.
	(remove_preds_and_fake_succs): New function.
	(dump_sa_points_to_info): Dump new stats.
	(dump_solution_for_var): Use find.
	(set_used_smts): Fix formatting.
	(compute_points_to_sets): Updated for new functions.
	(ipa_pta_execute): Ditto.

From-SVN: r120931
 2007-01-18 21:30:38 +00:00
Daniel Berlin
225a58a770 tree-ssa-structalias.c (build_constraint_graph): Insert complex offsetted constraints into rhsvar, not lhsvar. 
2006-12-21  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (build_constraint_graph): Insert complex
	offsetted constraints into rhsvar, not lhsvar.

From-SVN: r120114
 2006-12-21 17:32:01 +00:00
Daniel Berlin
864abd46ca tree-ssa-structalias.c (handle_ptr_arith): Return false when we can't handle the pointer arithmetic. 
2006-12-11  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (handle_ptr_arith): Return false when we
	can't handle the pointer arithmetic.

From-SVN: r119763
 2006-12-12 03:44:25 +00:00
Diego Novillo
38635499e9 [multiple changes] 
2006-12-11  Diego Novillo  <dnovillo@redhat.com>

	* doc/tree-ssa.texi: Update documentation for virtual operands
	and the use of push_stmt_changes/pop_stmt_changes.
	* doc/invoke.texi: Remove documentation for params
	global-var-threshold.
	Update documentation on max-aliased-vops.

	* tree-into-ssa.c: Cleanup comments, variables and
	spacing in various functions.
	(regs_to_rename): Declare.
	(mem_syms_to_rename): Declare.
	(dump_update_ssa): Declare.
	(debug_update_ssa): Declare.
	(dump_names_replaced_by): Declare.
	(debug_names_replaced_by): Declare.
	(dump_def_blocks): Declare.
	(debug_def_blocks): Declare.
	(dump_defs_stack): Declare.
	(debug_defs_stack): Declare.
	(dump_currdefs): Declare.
	(debug_currdefs): Declare.
	(mark_def_sites): Do not handle virtual operands.
	(compute_idf): Rename from find_idf.  Update users.
	(register_new_def): Make local.  Convert second argument
	to 'tree'.
	Use BLOCK_DEFS_STACK directly.
	If pushing a non-register, also push the underlying
	symbol.
	(rewrite_stmt): Do not handle virtual operands.
	(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
	dump_currdefs and dump_tree_ssa_stats.
	(dump_tree_ssa_stats): Also dump REPL_TBL.
	(replace_use): Remove.  Update all users to call SET_USE
	instead.
	(rewrite_blocks): Move code to free memory to
	fini_ssa_renamer.
	(mark_def_site_blocks): Move initialization code to
	init_ssa_renamer.
	(init_ssa_renamer): New.
	(fini_ssa_renamer): New.
	(rewrite_into_ssa): Call them.
	(prepare_block_for_update): Process SSA_OP_ALL_USES first
	and SSA_OP_ALL_DEFS later.  Do not process virtual
	operands separately.
	(dump_update_ssa): Call dump_decl_set.
	(init_update_ssa): Initialize regs_to_rename and
	mem_syms_to_rename.
	Call init_ssa_renamer.
	(delete_update_ssa): Call fini_ssa_renamer.
	Free blocks_with_phis_to_rewrite.
	(mark_sym_for_renaming): If the variable has
	sub-variables, also mark them.
	If the variable belongs to a partition, also mark it.
	(mark_set_for_renaming): Call mark_sym_for_renaming on
	every symbol in the set.
	(switch_virtuals_to_full_rewrite): Call
	mark_set_for_renaming.
	(update_ssa): Separate syms_to_rename into regs_to_rename
	and mem_syms_to_rename.

	* tree-dump.c (dump_options): Add TDF_MEMSYMS.
	* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
	(debug_generic_stmt): Likewise.
	(debug_tree_chain): Likewise.
	(dump_symbols): New.
	(dump_generic_node): Check for TDF_MEMSYMS.
	Handle MEMORY_PARTITION_TAG.
	If the statement references memory and TDF_MEMSYMS is
	given, call dump_symbols.
	Indicate default names with (D).
	(dump_vops): Update for new virtual operator format.

	* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
	tree_contains_struct.
	(tree_code_size): Handle MEMORY_PARTITION_TAG.
	(tree_node_structure): Likewise.
	(needs_to_live_in_memory): Handle SSA names.
	* tree.h (MTAG_P): Likewise.
	(struct tree_memory_partition_tag): Declare.
	(MPT_SYMBOLS): Define.
	(union tree_node): Add field 'mpt'.
	* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
	* tree.def (MEMORY_PARTITION_TAG): Define.

	* tree-pass.h (TDF_MEMSYMS): Define.

	* params.h (GLOBAL_VAR_THRESHOLD): Remove.

	* tree-ssa-alias.c: Include pointer-set.h
	(struct alias_map_d): Remove fields total_alias_vops,
	grouped_p and may_aliases.  Update all users.
	(struct mp_info_def): Declare.
	(mp_info_t): New type.
	(get_smt_for): Rename from get_tmt_for.  Update all
	users.
	(add_may_alias): Add argument ALREADY_ADDED.  If given,
	use it to avoid adding duplicate entries to alias sets.
	(replace_may_alias): Remove.  Update all users.
	(total_alias_vops_cmp): Remove.  Update all users.
	(group_aliases_into): Remove.  Update all users.
	(tree_pointer_compare): Remove.  Update all users.
	(compact_name_tags): Remove.  Update all users.
	(group_aliases): Remove.  Update all users.
	(mark_non_addressable): Move from tree-flow-inline.h.
	Remove the symbol from the partition holding it, if
	needed.
	(dump_mp_info): New.
	(debug_mp_info): New.
	(sort_mp_info): New.
	(create_partition_for): New.
	(rewrite_alias_set_for): New.
	(compute_memory_partitions): New.
	(compute_may_aliases): Call it.
	(init_alias_info): If computing aliases for the first
	time, mark every memory symbol for renaming.
	(have_common_aliases_p): New.
	(compute_flow_insensitive_aliasing): Call it.
	(setup_pointers_and_addressables): Do not cache
	num_referenced_vars.
	For register promoted symbols, mark their former
	partition for renaming.
	(maybe_create_global_var): Only create .GLOBAL_VAR if
	there are no call-clobbered variables and a mix of pure
	and non-pure functions were found.
	(may_alias_p): Tidy comments.
	(create_tag_raw): Remove unused variable new_type.
	(dump_alias_info): call dump_memory_partitions.
	(dump_points_to_info_for): Call dump_decl_set.
	(may_be_aliased): Tidy comments and formatting.

	* timevar.def (TV_MEMORY_PARTITIONING): Define.
	* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
	vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
	versions in it.
	(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
	* tree-vect-transform.c (vect_transform_loop): Call
	mark_set_for_renaming with vect_memsyms_to_rename.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(memory_partition): New.
	(set_memory_partition): New.
	(factoring_name_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.

	* tree-ssa-copy.c (may_propagate_copy): Allow copies
	between a partition and a symbol as long as the symbol
	belongs to the partition.
	(merge_alias_info): Ignore merge requests when memory
	partitions are involved.

	* tree-ssa.c (verify_ssa_name): Check that default
	definitions have empty defining statements.
	(verify_use): Remove argument IS_VIRTUAL.
	Don't call verify_ssa_name.
	(verify_phi_args): Call verify_ssa_name.
	(verify_flow_insensitive_alias_info): Handle MPTs.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_name_tags): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_ssa): Check for VOPs only after aliasing
	information is available.
	Check virtuals and real operands separately.
	Call verify_ssa_name on every operand.
	(stmt_references_memory_p): Move to tree-ssa-operands.c.
	(walk_use_def_chains_1): Guard against NULL PHI
	arguments.

	* tree-ssa-operands.c (stmt_references_memory_p): Move from
	tree-ssa.c.
	(get_mpt_for): New.
	(dump_memory_partitions): New.
	(debug_memory_partitions): New.

	* tree-flow.h (struct var_ann_d): Add field mpt.
	(struct stmt_ann_d): Add bitfield references_memory.
	* Makefile.in (tree-ssa-structalias.o): Include
	pointer-set.h
	(tree-ssa-alias.o): Likewise.
	* tree-ssa-structalias.c: (update_alias_info): Use
	STORED_SYMS to determine which variables are being
	written to by the store operation.
	* tree-ssa-structalias.h (struct alias_info)
	<total_alias_vops>: Remove.  Update all users.
	<written_vars>: Change to a pointer set.  Update all
	users.
	<dereferenced_ptrs_store>: Likewise.
	<dereferenced_ptrs_load>: Likewise.
	(NUM_REFERENCES): Remove.  Update all users.
	(NUM_REFERENCES_CLEAR): Remove.  Update all users.
	(NUM_REFERENCES_INC): Remove.  Update all users.
	(NUM_REFERENCES_SET): Remove.  Update all users.

	* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
	Update all users.
	(PARAM_MAX_ALIASED_VOPS): Set to 10.
	* tree-ssanames.c (make_ssa_name): Initialize
	SSA_NAME_IS_DEFAULT_DEF to 0.

2006-12-11  Aldy Hernandez  <aldyh@redhat.com>

	* tree-ssa-dse.c (aggregate_vardecl_d): New.
	(dse_global_data): Add aggregate_vardecl field.
	(dse_possible_dead_store_p): New.
	Add prev_defvar variable.
	Allow immediate uses and previous immediate uses to differ
	if they are setting different parts of the whole.
	(get_aggregate_vardecl): New.
	(dse_record_partial_aggregate_store): New.
	(dse_whole_aggregate_clobbered_p): New.
	(dse_partial_kill_p): New.
	(dse_optimize_stmt): Abstract code checking a possible dead store
	into new function dse_possible_dead_store_p().
	Call dse_maybe_record_aggregate_store().
	When checking whether a STMT and its USE_STMT refer to the
	same memory address, check also for partial kills that clobber
	the whole.
	Move some variable definitions to the block where they are used.
	(aggregate_vardecl_hash): New.
	(aggregate_vardecl_eq): New.
	(aggregate_vardecl_free): New.
	(aggregate_whole_store_p): New.
	(tree_ssa_dse): Initialize and free aggregate_vardecl.
	Mark which aggregate stores we care about.

2006-12-11  Andrew Macleod  <amacleod@redhat.com>

	* tree-ssa-operands.h (struct vuse_element_d): Declare.
	(vuse_element_t): Declare.
	(struct vuse_vec_d): Declare.
	(vuse_vec_p): Declare.
	(VUSE_VECT_NUM_ELEM): Define.
	(VUSE_VECT_ELEMENT_NC): Define.
	(VUSE_ELEMENT_PTR_NC): Define.
	(VUSE_ELEMENT_VAR_NC): Define.
	(VUSE_VECT_ELEMENT): Define.
	(VUSE_ELEMENT_PTR): Define.
	(VUSE_ELEMENT_VAR): Define.
	(struct maydef_optype_d) <use_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct vuse_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct mustdef_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_NUM): Define.
	(VUSE_VECT): Define.
	(MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
	(MAYDEF_OP): Add argument.  Use VUSE_OP.
	(MAYDEF_NUM): Define.
	(MAYDEF_VECT): Define.
	(MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
	(MUSTDEF_KILL): Use VUSE_OP.
	(MUSTDEF_NUM): Define.
	(MUSTDEF_VECT): Define.
	(realloc_maydef): Declare.
	(realloc_vuse): Declare.
	(struct ssa_operand_iterator_d) <vuse_index>: Add.
	<mayuse_index>: Add.
	(LOADED_SYMS): Define.
	(STORED_SYMS): Define.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
	* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
	operators.
	* tree-pretty-print.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-flow-inline.h: Likewise.
	(op_iter_next_mustdef): New.
	* tree-ssa-operands.c: Likewise.
	(ALLOC_OPTYPE): Remove.
	Update all users.
	(alloc_def): New.
	(alloc_use): New.
	(alloc_maydef): New.
	(alloc_vuse): New.
	(alloc_mustdef): New.
	(realloc_maydef): New.
	(realloc_vuse): New.

2006-12-11  Aldy Hernandez  <aldyh@redhat.com>

	* tree-ssa-operands.c: Remove build_v_must_defs.
	(init_ssa_operands): Delete build_v_must_defs.
	(finalize_ssa_v_must_def_ops): Remove.
	(finalize_ssa_v_must_defs): Remove.
	(finalize_ssa_stmt_operands): Do not call
	finalize_ssa_v_must_defs.
	(start_ssa_stmt_operands): Do not check build_v_must_defs.
	(append_v_must_def): Delete.
	(copy_virtual_operands): Do not copy V_MUST_DEFs.
	(get_modify_expr_operands): Remove reference to V_MUST_DEF from
	comment.  Remove opf_kill_def.
	(build_ssa_operands): Remove references to v_must_defs.
	(copy_virtual_operands): Same.
	(copy_virtual_operands): Same.
	(fini_ssa_operands): Same.
	(free_ssa_operands): Same.
	(add_mustdef_op): Remove.
	Remove mustdef_optype_p.
	(alloc_mustdef): Remove.
	Remove references to V_MUST_DEFs in comment at top of file.
	(get_expr_operands): Remove opf_kill_def.
	(opf_kill_def): Remove.
	(add_virtual_operand): Remove opf_kill_def.
	(get_indirect_ref_operands): Same.
	(get_tmr_operands): Same.

	* tree-vectorizer.c (rename_variables_in_bb): Remove
	SSA_OP_ALL_KILLS.

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
	SSA_OP_ALL_KILLS.
	(check_loop_closed_ssa_stmt): Same.

	* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
	(verify_use): Same.
	(verify_ssa): Remove V_MUST_DEFs traces.
	(verify_ssa): Remove SSA_OP_ALL_KILLS.

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
	SSA_OP_VMAYDEF.
	(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
	(rewrite_stmt): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
	references.
	(MUSTDEF_OPS): Remove.
	(SSA_OP_VMUSTDEF): Remove.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
	(struct mustdef_optype_d): Remove.
	Remove mustdef_optype_p.
	(struct stmt_operands_d): Remove mustdef_ops.
	(ssa_operand_iterator_d): Remove mustdefs and mustkills.
	(SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
	(MUSTDEF_RESULT_PTR): Remove.
	(MUSTDEF_RESULT): Remove.
	(MUSTDEF_KILL_PTR): Remove.
	(MUSTDEF_KILL): Remove.
	(MUSTDEF_NUM): Remove.
	(MUSTDEF_VECT): Remove.
	(SSA_OP_VIRTUAL_KILLS): Remove.
	(SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
	(SSA_OP_VMUSTKILL): Remove.
	(SSA_OP_ALL_KILLS): Remove.
	(SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.

	* tree-flow-inline.h (op_iter_init_def): Remove
	SSA_OP_VIRTUAL_KILLS.
	(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
	SSA_OP_VIRTUAL_KILLS.

	* tree-ssa-loop-im.c (determine_max_movement): Remove
	SSA_OP_VIRTUAL_KILLS.
	(gather_mem_refs_stmt): Same.
	(gather_mem_refs_stmt): Same.

	* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
	(perform_tree_ssa_dce): Remove call to
	mark_really_necessary_kill_operand_phis.

	* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
	and mustkills.
	(op_iter_next_use): Do not check mustkills.
	(op_iter_next_def): Do not check mustdefs.
	(op_iter_next_tree): Do not check mustkills or mustdefs.
	(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
	(op_iter_next_maymustdef): Do not check mustkills.
	(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
	(op_iter_init_mustdef): Remove.

	* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
	SSA_OP_VMAYDEF.

	* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.

	* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
	(visit_assignment): Same.

	* tree-ssa-copy.c (copy_prop_visit_assignment): Same.

	* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.

	* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.

	* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
	Remove kill_p variable.

	* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
	(dump_dfa_stats): Remove code related to V_MUST_DEFs.
	(collect_dfa_stats_r): Do not set num_v_must_defs.
	(mark_new_vars_to_rename): Remove v_must_defs_{before,after}
	code.

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
	SSA_OP_VMAYUSE.

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
	SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.

	* tree-ssa-propagate.c (stmt_makes_single_store): Remove
	SSA_OP_VMUSTDEF.

From-SVN: r119760
 2006-12-11 20:48:51 -05:00
Daniel Berlin
9457b4248b Missed commit 
From-SVN: r119564
 2006-12-05 23:51:59 +00:00
Daniel Berlin
ff3add8dce tree-ssa-structalias.c (set_used_smts): Re-fix pr29156. 
2006-12-05  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
	Optimize to avoid marking more SMT's as used when they aren't.

From-SVN: r119562
 2006-12-05 23:46:28 +00:00
Aldy Hernandez
07beea0df3 Merge gimple-tuples-branch into mainline. 
From-SVN: r119546
 2006-12-05 17:26:05 +00:00
Daniel Berlin
e5ebbea51e tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call set_used_smts. 
2006-12-04  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
	set_used_smts.
	* tree-ssa-structalias.c (set_used_smts): Export.
	(find_what_p_points_to): Don't call set_used_smts here.
	* tree-ssa-structalias.h (set_used_smts): Add prototype.

From-SVN: r119528
 2006-12-05 00:44:24 +00:00