gcc/gcc ChangeLog.tree-ssa tree-ssa-pre.c tree ...

[dberlin at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	dberlin@gcc.gnu.org	2002-09-18 15:50:48

Modified files:
	gcc            : ChangeLog.tree-ssa tree-ssa-pre.c tree-dfa.c 
	                 tree-flow.h tree-dump.c 

Log message:
	2002-09-18  Daniel Berlin <dberlin@dberlin.org>
	
	* tree-dump.c: Fix order of dump files
	
	2002-09-17  Daniel Berlin <dberlin@dberlin.org>
	
	* tree-ssa-pre.c: Remove a lot of finding refs in statements junk.
	Start on strength reduction.
	Only generate simple statements.
	Remove EXPR* macros in favor of inline functions.
	Update comparisons and sets to 1 and 0 to true and false where
	approriate.
	(toplevel): Add DEBUGGING_STRRED define (temporary, for
	implementation debugging, *not* useful as a dump option).
	Add TODO notes.
	Add global avdefs, orig_expr_map, need_repair_map,
	strred_candidate.
	(set_var_phis): Add struct expr_info * argument.
	Update to handle injuring definitions.
	(defs_y_dom_x): Ditto.
	(phi_opnd_from_res): Ditto.
	(phi_for_operand): Remove extra \.
	(find_tree_ref_for_var): Renamed to find_use_for_var. Update all
	callers.
	Use orig_expr_map to lookup original expression, remove statement
	searching gunk.
	(find_rhs_use_for_var): New function.
	(is_strred_cand): New function.
	(is_injuring_def): New function.
	(calculate_increment): New function.
	(repair_injury): New function.
	(set_need_repair): New function.
	(struct expr_info): Add strred_cand member.
	(rename_2): Update to handle injuring definitions.
	(expr_phi_insertion): Ditto.
	(code_motion): Update to repair injuries.
	Only insert SIMPLE statements.
	Free avdefs here now.
	(finalize_1): Don't free avdefs anymore here.
	(tree_perform_ssapre): Record original expresion for
	find_use_for_var's benefit.
	Determine strength reduction candidates.
	
	* tree-flow.h: Remove EXPR* macros in favor of inline functions.
	Remove E_INJ.
	
	* tree-dfa.c: Change EXPR* macros to the new functions.
	Remove E_INJ.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.59&r2=1.1.2.60
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-pre.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.16&r2=1.1.4.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dfa.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.18&r2=1.1.4.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.16&r2=1.1.4.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dump.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.6.2.9&r2=1.6.2.10