[Bug rtl-optimization/18599] Quadratic behavior in copyprop_hardreg_forward

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-11-22 15:19 -------
Subject: Bug 18599

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	kazu@gcc.gnu.org	2004-11-22 15:18:53

Modified files:
	gcc            : ChangeLog regrename.c 

Log message:
	PR rtl-optimization/18599
	* regrename.c (copyprop_hardreg_forward): Speed up by putting
	BB_VISITED flags on basic blocks as we process them.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6450&r2=2.6451
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/regrename.c.diff?cvsroot=gcc&r1=1.91&r2=1.92



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18599