gcc/gcc ChangeLog fold-const.c

[sayle@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-04-26 03:43:22

Modified files:
	gcc            : ChangeLog fold-const.c 

Log message:
	* fold-const.c (fold): Prefer fold_convert (negate_expr (...)) to
	fold (build1 (NEGATE_EXPR, ...)).  Optimize X / -1 as -X and
	X % -1 as 0.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3483&r2=2.3484
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.369&r2=1.370