gcc/gcc ChangeLog fold-const.c stmt.c

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	law@gcc.gnu.org	2005-03-11 04:52:44

Modified files:
	gcc            : ChangeLog fold-const.c stmt.c 

Log message:
	PR tree-optimization/15784
	* fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
	and -1 - A to ~A.
	
	* stmt.c (expand_case): Don't change index_type.  Convert minval
	to the proper type.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7782&r2=2.7783
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.540&r2=1.541
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/stmt.c.diff?cvsroot=gcc&r1=1.417&r2=1.418