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


CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	law@gcc.gnu.org	2003-12-03 04:34:31

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

Log message:
	* tree-ssa-dom.c (optimize_stmt): Accept and pass down dominator
	walker structure instead of individual varrays.  Callers updated.
	(eliminate_redundant_computations): Likewise.
	(simplify_rhs_and_lookup_avail_expr): Likewise.  Cache and update
	a dummy COND_EXPR when querying the hash tables when transforming
	DIV/MOD into RSHIFT/BIT_AND or ABS_EXPR into NEG_EXPR.
	(dom_opt_walk_stmts): Don't reload the block data pointer each
	iteration of the loop.  Load it once outside the loop.

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=1.1.2.952&r2=1.1.2.953
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dom.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.89&r2=1.1.2.90


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