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[Bug tree-optimization/22325] missed optimization in loop


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-07-27 13:27 -------
Subject: Bug 22325

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rakdver@gcc.gnu.org	2005-07-27 13:26:56

Modified files:
	gcc            : ChangeLog tree-flow.h tree-scalar-evolution.c 
	                 tree-ssa-loop-ivopts.c 

Log message:
	PR tree-optimization/22325
	* tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
	Declare.
	* tree-scalar-evolution.c (scev_const_prop): Add generic final
	value replacement.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
	(force_var_cost): ... this function.
	(compute_phi_arg_on_exit): Export.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9563&r2=2.9564
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&r1=2.130&r2=2.131
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-scalar-evolution.c.diff?cvsroot=gcc&r1=2.31&r2=2.32
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&r1=2.85&r2=2.86



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22325


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