gcc/gcc ChangeLog loop.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	rth@gcc.gnu.org	2005-08-26 07:33:27

Modified files:
	gcc            : ChangeLog loop.c 

Log message:
	PR rtl-opt/23560
	* loop.c (biased_biv_may_wrap_p): New.
	(maybe_eliminate_biv_1): Use it to suppress non-equality
	comparison transformations.  Delete disabled code.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.391&r2=2.7592.2.392
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.522.8.2&r2=1.522.8.3