[Bug tree-optimization/18707] [4.0 Regression] Performance regression at -O2 with gzip

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-12-16 20:01 -------
Subject: Bug 18707

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	ebotcazou@gcc.gnu.org	2004-12-16 20:01:26

Modified files:
	gcc            : ChangeLog cfgloopmanip.c 

Log message:
	PR tree-optimization/18707
	* cfgloopmanip.c (create_preheader): Move the preheader
	only if the latch was falling through to the header.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6860&r2=2.6861
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopmanip.c.diff?cvsroot=gcc&r1=1.39&r2=1.40



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18707