r139702 - in /trunk/gcc: ChangeLog fold-const.c

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Aug 28 08:31:37 2008
New Revision: 139702

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139702
Log:
2008-08-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/37005
	* fold-const.c (maybe_canonicalize_comparison_1): Require
	undefined overflow only for canonicalizing A +- CST cmp CST.
	Make sure to not generate new constants that are not inside
	their TYPE_MIN/MAX_VALUE range.
	(maybe_canonicalize_comparison): Remove undefined overflow
	checking from here.
	(fold_binary): Remove now duplicate folding.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c