gcc/gcc ChangeLog fold-const.c

[rguenth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	rguenth@gcc.gnu.org	2005-08-02 15:58:38

Modified files:
	gcc            : ChangeLog fold-const.c 

Log message:
	2005-08-02  Richard Guenther  <rguenther@suse.de>
	
	* fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
	positive if its first argument is positive.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.347&r2=2.7592.2.348
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.517.2.12&r2=1.517.2.13