r129128 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Oct  8 14:44:14 2007
New Revision: 129128

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129128
Log:
2007-10-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33691
	PR middle-end/33694
	PR middle-end/33696
	* fold-const.c (fold_binary): Use the correct types when
	folding (A | CST1) & CST2 to (A & CST2) | (CST1 & CST2).
	(fold_binary): Use the correct types when folding
	(-A) - B to (-B) - A.
	(fold_unary): Use the correct types when folding ~(X).

	* gcc.dg/pr33691.c: New testcase.
        * gcc.dg/pr33694.c: Likewise.
        * gcc.dg/pr33696.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/pr33691.c
    trunk/gcc/testsuite/gcc.dg/pr33694.c
    trunk/gcc/testsuite/gcc.dg/pr33696.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog