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


CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	dberlin@gcc.gnu.org	2003-07-30 20:37:27

Modified files:
	gcc            : ChangeLog.tree-ssa tree-ssa-pre.c 

Log message:
	2003-07-30  Daniel Berlin  <dberlin@dberlin.org>
	
	* tree-ssa-pre.c: #include real.h
	(defs_match_p): Change arguments to something normal now that we use
	the new renaming algorithm. Update all callers.
	Use defs_hash_expr.
	(defs_y_dom_x): Ditto.
	(defs_hash_expr): New. Based on iterative_hash_expr.
	(generate_exr_as_of_bb): If there aren't any uses, return.
	(subst_phis): Call modify_stmt on the actually modified statement. :)
	(get_default_def): Only walk SSA_NAME arguments in PHI's.

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=1.1.2.539&r2=1.1.2.540
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=1.1.4.69&r2=1.1.4.70


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