gcc/gcc ChangeLog fold-const.c

[sayle@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-03-07 20:13:51

Modified files:
	gcc            : ChangeLog fold-const.c 

Log message:
	* fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
	<XOR_EXPR>: Fold x ^ x as zero.
	<AND_EXPR>: Fold x & x as x.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3083&r2=2.3084
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.340&r2=1.341