r127661 - in /trunk/gcc: ChangeLog fold-const.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Aug 21 09:22:14 2007
New Revision: 127661

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127661
Log:
	PR middle-end/32912
	* fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
	(fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.

	* gcc.dg/pr32912-1.c: New test.
	* gcc.dg/pr32912-2.c: New test.
	* gcc.dg/pr32912-3.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr32912-1.c
    trunk/gcc/testsuite/gcc.dg/pr32912-2.c
    trunk/gcc/testsuite/gcc.dg/pr32912-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog