r132863 - in /trunk/gcc: ChangeLog fold-const.c...

[uros@gcc.gnu.org]

Author: uros
Date: Tue Mar  4 13:57:27 2008
New Revision: 132863

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132863
Log:
	PR middle-end/35456
	* fold-const.c (fold_cond_expr_with_comparison): Prevent
	transformations for modes that have signed zeros.
	* ifcvt.c (noce_try_abs): Ditto.

testsuite/ChangeLog:

	PR middle-end/35456
	* gcc.c-torture/execute/pr35456.c: New test.


Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr35456.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/ifcvt.c
    trunk/gcc/testsuite/ChangeLog