gcc/gcc ChangeLog loop-unswitch.c testsuite/Ch ...

[jakub@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	jakub@gcc.gnu.org	2005-05-06 10:52:39

Modified files:
	gcc            : ChangeLog loop-unswitch.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/execute: 20050502-1.c 

Log message:
	PR rtl-optimization/21330
	* loop-unswitch.c (may_unswitch_on): Set *cinsn only when
	returning non-NULL.
	(unswitch_single_loop): Clear cinsn when retrying.
	
	* gcc.c-torture/execute/20050502-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.223&r2=2.7592.2.224
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-unswitch.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.25&r2=1.25.12.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.163&r2=1.5084.2.164
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050502-1.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1