This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/15458] Combine ~ and ^.
- From: "sayle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Oct 2006 17:51:17 -0000
- Subject: [Bug tree-optimization/15458] Combine ~ and ^.
- References: <bug-15458-5009@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from sayle at gcc dot gnu dot org 2006-10-29 17:51 -------
Subject: Bug 15458
Author: sayle
Date: Sun Oct 29 17:51:07 2006
New Revision: 118152
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118152
Log:
PR tree-optimization/15458
* fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
is a constant.
* gcc.dg/fold-xornot-1.c: New test case.
Added:
trunk/gcc/testsuite/gcc.dg/fold-xornot-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15458