gcc/gcc ChangeLog fold-const.c testsuite/Chang ...

[phython@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	phython@gcc.gnu.org	2005-02-15 21:58:22

Modified files:
	gcc            : ChangeLog fold-const.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg: pr15785-1.c 

Log message:
	2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
	
	* fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
	Fold ~(A - 1) and ~(A + -1) to -A.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7485&r2=2.7486
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.511&r2=1.512
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5037&r2=1.5038
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr15785-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1