r132269 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Feb 12 21:26:49 2008
New Revision: 132269

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132269
Log:
2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35163
	* fold-const.c (fold_widened_comparison): Use get_unwidened in
	value-preserving mode.  Disallow final truncation.

	* gcc.c-torture/execute/pr35163.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr35163.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog