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gcc/gcc ChangeLog Makefile.in basic-block.h co ...


CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dnovillo@gcc.gnu.org	2005-04-09 01:37:54

Modified files:
	gcc            : ChangeLog Makefile.in basic-block.h common.opt 
	                 dominance.c domwalk.c domwalk.h fold-const.c 
	                 opts.c timevar.def tree-cfg.c tree-complex.c 
	                 tree-dfa.c tree-flow-inline.h tree-flow.h 
	                 tree-gimple.c tree-if-conv.c tree-into-ssa.c 
	                 tree-loop-linear.c tree-optimize.c tree-pass.h 
	                 tree-phinodes.c tree-pretty-print.c 
	                 tree-scalar-evolution.c tree-sra.c 
	                 tree-ssa-alias.c tree-ssa-ccp.c tree-ssa-copy.c 
	                 tree-ssa-dce.c tree-ssa-dom.c tree-ssa-dse.c 
	                 tree-ssa-loop-ch.c tree-ssa-loop-im.c 
	                 tree-ssa-loop-ivopts.c tree-ssa-loop-manip.c 
	                 tree-ssa-loop.c tree-ssa-operands.c 
	                 tree-ssa-phiopt.c tree-ssa-propagate.c 
	                 tree-ssa-propagate.h tree-ssa-sink.c tree-ssa.c 
	                 tree-vect-transform.c tree-vectorizer.c 
	                 tree-vectorizer.h tree.def tree.h 
	gcc/doc        : invoke.texi tree-ssa.texi 
	gcc/testsuite  : ChangeLog 
	gcc/testsuite/gcc.dg/tree-ssa: 20030731-2.c 20030917-1.c 
	                               20030917-3.c 20040721-1.c 
	                               ssa-ccp-1.c ssa-ccp-2.c 
	                               ssa-ccp-3.c ssa-ccp-7.c 
	                               ssa-ccp-9.c 
Added files:
	gcc            : tree-vrp.c 
	gcc/testsuite/g++.dg/tree-ssa: pr18178.C 
	gcc/testsuite/gcc.c-torture/execute: 20030216-1.x 20041019-1.c 
	gcc/testsuite/gcc.dg/tree-ssa: 20041008-1.c ssa-ccp-12.c 

Log message:
	Merge from tree-cleanup-branch: VRP, store CCP, store
	copy-prop, incremental SSA updating of FUD chains and
	newly exposed symbols.
	
	* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
	(OBJS-common): Add tree-vrp.o.
	(tree-vrp.o): New rule.
	* basic-block.h (nearest_common_dominator_for_set): Declare.
	* common.opt (ftree-store-ccp): New flag.
	(ftree-copy-prop): New flag.
	(ftree-vrp): New flag.
	(ftree-store-copy-prop): New flag.
	* dominance.c (nearest_common_dominator_for_set): New.
	* domwalk.c (walk_dominator_tree): Only traverse
	statements in blocks marked in walk_data->interesting_blocks.
	* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
	* fold-const.c (fold): Handle ASSERT_EXPR.
	* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
	Set flag_tree_store_ccp, flag_tree_store_copy_prop and
	flag_tree_vrp at -O2.
	* timevar.def (TV_TREE_VRP): Define.
	(TV_TREE_COPY_PROP): Define.
	(TV_TREE_STORE_COPY_PROP): Define.
	(TV_TREE_SSA_INCREMENTAL): Define.
	(TV_TREE_STORE_CCP): Define.
	* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
	to kill_redundant_phi_nodes from comment.
	(verify_expr): Handle ASSERT_EXPR.
	* tree-dfa.c (mark_new_vars_to_rename): Remove second
	argument.  Update all users.
	(mark_call_clobbered_vars_to_rename): Remove.  Update all
	users.
	* tree-flow-inline.h (unmodifiable_var_p): New.
	* tree-flow.h (enum value_range_type): Declare.
	(struct value_range_def): Declare.
	(value_range): Declare.
	(remove_all_phi_nodes_for): Remove.  Update all users.
	(find_phi_node_for): Declare.
	(add_type_alias): Declare.
	(count_uses_and_derefs): Declare.
	(kill_redundant_phi_nodes): Remove.
	(rewrite_into_ssa): Remove.
	(rewrite_def_def_chains): Remove.
	(update_ssa, register_new_name_mapping, create_new_def_for,
	need_ssa_update_p, name_registered_for_update_p,
	release_ssa_name_after_update_ssa, dump_repl_tbl,
	debug_repl_tbl, dump_names_replaced_by,
	debug_names_replaced_by, mark_sym_for_renaming,
	mark_set_for_renaming, get_current_def, set_current_def,
	get_value_range, dump_value_range, debug_value_range,
	dump_all_value_ranges, debug_all_value_ranges,
	expr_computes_nonzero, loop_depth_of_name,
	unmodifiable_var_p): Declare.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
	ASSERT_EXPR.
	* tree-into-ssa.c (block_defs_stack): Update comment.
	(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
	syms_to_rename, names_to_release, repl_tbl,
	need_to_initialize_update_ssa_p, need_to_update_vops_p,
	need_to_replace_names_p): New locals.
	(NAME_SETS_GROWTH_FACTOR): Define.
	(struct repl_map_d): Declare.
	(struct mark_def_sites_global_data): Add field
	interesting_blocks.
	(enum rewrite_mode): Declare.
	(REGISTER_DEFS_IN_THIS_STMT): Define.
	(compute_global_livein): Use last_basic_block instead of
	n_basic_blocks.
	(set_def_block): Remove last argument.  Update all callers.
	(prepare_use_operand_for_rename): Remove.  Update all callers.
	(prepare_def_operand_for_rename): Remove.  Update all callers.
	(symbol_marked_for_renaming): New.
	(is_old_name): New.
	(is_new_name): New.
	(repl_map_hash): New.
	(repl_map_eq): New.
	(repl_map_free): New.
	(names_replaced_by): New.
	(add_to_repl_tbl): New.
	(add_new_name_mapping): New.
	(mark_def_sites): Assume that all the operands in the
	statement are in normal form.
	(find_idf): Assert that the block in the stack is valid.
	(get_default_def_for): New.
	(insert_phi_nodes_for): Add new argument 'update_p'.
	Add documentation.
	If update_p is true, add a new mapping between the LHS of
	each new PHI and the name that it replaces.
	(insert_phi_nodes_1): Only call find_idf if needed.
	(get_reaching_def): Call get_default_def_for.
	(rewrite_operand): Remove.
	(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
	and REWRITE_THIS_STMT are false.
	Assume that all the operands in the statement are in
	normal form.
	(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
	(rewrite_virtual_phi_arguments): Remove.
	(invalidate_name_tags): Remove.
	(register_new_update_single, register_new_update_set,
	rewrite_update_init_block, replace_use,
	rewrite_update_fini_block, rewrite_update_stmt,
	rewrite_update_phi_arguments): New.
	rewrite_blocks): Remove argument 'fix_virtual_phis'.
	Add arguments 'entry', 'what' and 'blocks'.
	Initialize the dominator walker according to 'what' and
	'blocks'.
	Start the dominator walk at 'entry'.
	(mark_def_site_blocks): Add argument 'interesting_blocks'.
	Use it to configure the dominator walker.
	(rewrite_into_ssa): Remove argument 'all'.
	Make internal.
	(rewrite_all_into_ssa): Remove.
	(rewrite_def_def_chains): Remove.
	(mark_def_interesting, mark_use_interesting,
	prepare_phi_args_for_update, prepare_block_for_update,
	prepare_def_site_for, prepare_def_sites,
	dump_names_replaced_by, debug_names_replaced_by,
	dump_repl_tbl, debug_repl_tbl, init_update_ssa,
	delete_update_ssa, create_new_def_for,
	register_new_name_mapping, mark_sym_for_renaming,
	mark_set_for_renaming, need_ssa_update_p,
	name_registered_for_update_p, ssa_names_to_replace,
	release_ssa_name_after_update_ssa,
	insert_updated_phi_nodes_for, update_ssa): New.
	* tree-loop-linear.c (linear_transform_loops): Call
	update_ssa instead of rewrite_into_ssa.
	* tree-optimize.c (vars_to_rename): Remove.
	Update all users.
	(init_tree_optimization_passes): Replace
	pass_redundant_phi with pass_copy_prop.
	Add pass_vrp.
	Replace pass_ccp with pass_store_ccp.
	Add pass_store_copy_prop after pass_store_ccp.
	(execute_todo): If the TODO_ flags don't include updating
	the SSA form, assert that it does not need to be updated.
	Call update_ssa instead of rewrite_into_ssa and
	rewrite_def_def_chains.
	If TODO_verify_loops is set, call verify_loop_closed_ssa.
	(tree_rest_of_compilation):
	* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
	TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
	TODO_cleanup_cfg): Renumber.
	(TODO_verify_loops, TODO_update_ssa,
	TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
	TODO_update_ssa_only_virtuals): Define.
	(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
	Declare.
	* tree-phinodes.c (make_phi_node): Update documentation.
	(remove_all_phi_nodes_for): Remove.
	(find_phi_node_for): New.
	* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
	(interpret_rhs_modify_expr): Likewise.
	* tree-sra.c (decide_instantiations): Mark all symbols in
	SRA_CANDIDATES for renaming.
	(mark_all_v_defs_1): Rename from mark_all_v_defs.
	(mark_all_v_defs): New function.  Update all users to call it
	with the whole list of scalarized statements, not just the
	first one.
	* tree-ssa-alias.c (count_ptr_derefs): Make extern.
	(compute_flow_insensitive_aliasing): If the tag is
	unmodifiable and the variable isn't or vice-versa, don't
	make them alias of each other.
	(setup_pointers_and_addressables): If the type tag for
	VAR is about to change, mark the old one for renaming.
	(add_type_alias): New.
	* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
	(ccp_lattice_t): Rename from latticevalue.
	(value): Remove.  Update all users.
	(const_val): New local variable.
	(do_store_ccp): New local variable.
	(dump_lattice_value): Handle UNINITIALIZED.
	(debug_lattice_value): New.
	(get_default_value): Re-write.
	(set_lattice_value): Re-write.
	(def_to_varying): Remove.  Update all users.
	(likely_value): Return VARYING for statements that make
	stores when STORE_CCP is false.
	Return VARYING for any statement other than MODIFY_EXPR,
	COND_EXPR and SWITCH_EXPR.
	(ccp_initialize): Re-write.
	(replace_uses_in, replace_vuse_in, substitute_and_fold):
	Move to tree-ssa-propagate.c.
	(ccp_lattice_meet): Handle memory stores when
	DO_STORE_CCP is true.
	(ccp_visit_phi_node): Likewise.
	(ccp_fold): Likewise.
	(evaluate_stmt): Likewise.
	(visit_assignment): Likewise.
	(ccp_visit_stmt): Likewise.
	(execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
	into DO_STORE_CCP.
	(do_ssa_ccp): New.
	(pass_ccp): Use it.
	(do_ssa_store_ccp): New.
	(gate_store_ccp): New.
	(pass_store_ccp): Declare.
	* tree-ssa-copy.c: Include tree-ssa-propagate.h.
	(may_propagate_copy): Reformat.
	Don't abort if ORIG is a virtual and DEST isn't.
	If NEW does not have alias information but DEST does,
	copy it.
	(copy_of, cached_last_copy_of, do_store_copy_prop, enum
	copy_prop_kind, which_copy_prop): Declare.
	(stmt_may_generate_copy, get_copy_of_val,
	get_last_copy_of, set_copy_of_val, dump_copy_of,
	copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
	copy_prop_visit_stmt, copy_prop_visit_phi_node,
	init_copy_prop, fini_copy_prop, execute_copy_prop,
	gate_copy_prop, do_copy_prop, gate_store_copy_prop,
	store_copy_prop): New.
	(pass_copy_prop, pass_store_copy_prop): Declare.
	* tree-ssa-dom.c (struct opt_stats_d): Add fields
	'num_const_prop' and 'num_copy_prop'.
	(cprop_operand): Update them.
	(dump_dominator_optimization_stats): Dump them.
	(tree_ssa_dominator_optimize): Call update_ssa instead of
	rewrite_into_ssa.
	(loop_depth_of_name): Declare extern.
	(simplify_cond_and_lookup_avail_expr): Guard against NULL
	values for LOW or HIGH.
	(cprop_into_successor_phis): Only propagate if NEW != ORIG.
	(record_equivalences_from_stmt): Call expr_computes_nonzero.
	(cprop_operand): Only propagate if VAL != OP.
	* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
	statement for renaming.
	* tree-ssa-loop-im.c (move_computations): Call update_ssa.
	* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
	add_type_alias if necessary.
	Call mark_new_vars_to_rename.
	(tree_ssa_iv_optimize): If new symbols need to be renamed,
	mark every statement updated, call update_ssa and
	rewrite_into_loop_closed_ssa.
	* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
	from LIVEIN if VAR is a virtual.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
	* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
	(get_call_expr_operands): Reformat statement.
	(add_stmt_operand): Don't create V_MAY_DEFs for read-only
	symbols.
	* tree-ssa-propagate.c (ssa_prop_init): Initialize
	SSA_NAME_VALUE for every name.
	(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
	get_value_loaded_by): New.
	(replace_uses_in, replace_vuses_in, replace_phi_args_in,
	substitute_and_fold): Move from tree-ssa-ccp.c.
	* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
	first_vdef, stmt_makes_single_load, stmt_makes_single_store,
	get_value_loaded_by, replace_uses_in, substitute_and_fold):
	Declare.
	* tree-ssa.c (verify_use): Fix error message.
	(propagate_into_addr, replace_immediate_uses, get_eq_name,
	check_phi_redundancy, kill_redundant_phi_nodes,
	pass_redundant_phi): Remove.  Update all users.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
	add_type_alias, if necessary.
	* tree-vectorizer.h (struct _stmt_vect_info): Update
	documentation for field 'memtag'.
	* tree-vrp.c: New file.
	* tree.def (ASSERT_EXPR): Define.
	* tree.h (ASSERT_EXPR_VAR): Define.
	(ASSERT_EXPR_COND): Define.
	(SSA_NAME_VALUE_RANGE): Define.
	(struct tree_ssa_name): Add field 'value_range'.
	(PHI_REWRITTEN): Remove.
	(struct tree_phi_node): Remove field 'rewritten'.
	* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
	-ftree-store-copy-prop): Document.
	* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
	Document usage of update_ssa.
	
	testsuite/ChangeLog
	
	* g++.dg/tree-ssa/pr18178.C: New test.
	* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
	* gcc.c-torture/execute/20041019-1.c: New test.
	* gcc.dg/tree-ssa/20041008-1.c: New test.
	* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
	* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
	* gcc.dg/tree-ssa/20030917-1.c: Likewise.
	* gcc.dg/tree-ssa/20030917-3.c: Likewise.
	* gcc.dg/tree-ssa/20040721-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vrp.c.diff?cvsroot=gcc&r1=1.1&r2=2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8203&r2=2.8204
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.1465&r2=1.1466
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.246&r2=1.247
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/common.opt.diff?cvsroot=gcc&r1=1.67&r2=1.68
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/dominance.c.diff?cvsroot=gcc&r1=1.36&r2=1.37
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/domwalk.c.diff?cvsroot=gcc&r1=2.3&r2=2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/domwalk.h.diff?cvsroot=gcc&r1=2.5&r2=2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.555&r2=1.556
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/opts.c.diff?cvsroot=gcc&r1=1.99&r2=1.100
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/timevar.def.diff?cvsroot=gcc&r1=1.44&r2=1.45
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.167&r2=2.168
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-complex.c.diff?cvsroot=gcc&r1=2.20&r2=2.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dfa.c.diff?cvsroot=gcc&r1=2.51&r2=2.52
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow-inline.h.diff?cvsroot=gcc&r1=2.36&r2=2.37
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&r1=2.92&r2=2.93
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-gimple.c.diff?cvsroot=gcc&r1=2.37&r2=2.38
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-if-conv.c.diff?cvsroot=gcc&r1=2.35&r2=2.36
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-into-ssa.c.diff?cvsroot=gcc&r1=2.47&r2=2.48
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-loop-linear.c.diff?cvsroot=gcc&r1=2.10&r2=2.11
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-optimize.c.diff?cvsroot=gcc&r1=2.80&r2=2.81
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-pass.h.diff?cvsroot=gcc&r1=2.29&r2=2.30
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-phinodes.c.diff?cvsroot=gcc&r1=2.33&r2=2.34
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-pretty-print.c.diff?cvsroot=gcc&r1=2.55&r2=2.56
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-scalar-evolution.c.diff?cvsroot=gcc&r1=2.18&r2=2.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-sra.c.diff?cvsroot=gcc&r1=2.57&r2=2.58
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-alias.c.diff?cvsroot=gcc&r1=2.81&r2=2.82
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&r1=2.63&r2=2.64
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-copy.c.diff?cvsroot=gcc&r1=2.23&r2=2.24
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dce.c.diff?cvsroot=gcc&r1=2.38&r2=2.39
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dom.c.diff?cvsroot=gcc&r1=2.102&r2=2.103
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dse.c.diff?cvsroot=gcc&r1=2.19&r2=2.20
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ch.c.diff?cvsroot=gcc&r1=2.14&r2=2.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-im.c.diff?cvsroot=gcc&r1=2.34&r2=2.35
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&r1=2.58&r2=2.59
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-manip.c.diff?cvsroot=gcc&r1=2.28&r2=2.29
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop.c.diff?cvsroot=gcc&r1=2.26&r2=2.27
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-operands.c.diff?cvsroot=gcc&r1=2.74&r2=2.75
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-phiopt.c.diff?cvsroot=gcc&r1=2.30&r2=2.31
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-propagate.c.diff?cvsroot=gcc&r1=2.11&r2=2.12
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-propagate.h.diff?cvsroot=gcc&r1=2.2&r2=2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-sink.c.diff?cvsroot=gcc&r1=1.6&r2=1.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa.c.diff?cvsroot=gcc&r1=2.85&r2=2.86
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vect-transform.c.diff?cvsroot=gcc&r1=2.9&r2=2.10
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vectorizer.c.diff?cvsroot=gcc&r1=2.84&r2=2.85
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-vectorizer.h.diff?cvsroot=gcc&r1=2.17&r2=2.18
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.def.diff?cvsroot=gcc&r1=1.114&r2=1.115
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&r1=1.712&r2=1.713
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&r1=1.601&r2=1.602
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/tree-ssa.texi.diff?cvsroot=gcc&r1=1.19&r2=1.20
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5307&r2=1.5308
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/tree-ssa/pr18178.C.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20030216-1.x.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20041019-1.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20041008-1.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-12.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20030731-2.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20030917-1.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20030917-3.c.diff?cvsroot=gcc&r1=1.4&r2=1.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20040721-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-1.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-2.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-3.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-9.c.diff?cvsroot=gcc&r1=1.3&r2=1.4


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