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[Bug rtl-optimization/18599] Quadratic behavior in copyprop_hardreg_forward
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Nov 2004 15:19:12 -0000
- Subject: [Bug rtl-optimization/18599] Quadratic behavior in copyprop_hardreg_forward
- References: <20041121175613.18599.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla 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
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18599