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gcc/gcc ChangeLog tree-ssa-loop-ivopts.c


CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rakdver@gcc.gnu.org	2005-04-23 21:31:17

Modified files:
	gcc            : ChangeLog tree-ssa-loop-ivopts.c 

Log message:
	* tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
	(find_interesting_uses_cond): Do not use integer_zerop and
	integer_nonzerop to check for integer constants.
	(set_use_iv_cost): Record the value field.
	(determine_use_iv_cost_generic, determine_use_iv_cost_address,
	determine_use_iv_cost_outer): Set the value field of the cost pair.
	(may_eliminate_iv): Do not return the comparison code.
	(iv_elimination_compare): New function.
	(determine_use_iv_cost_condition): Set the value field.  Record
	noneliminable invariants correctly.
	(rewrite_use_compare, rewrite_use_outer): Use the value field.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8428&r2=2.8429
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&r1=2.61&r2=2.62


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