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[Bug middle-end/26898] Fold does not fold signed + CST1 CMP signed + CST2
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Oct 2006 13:21:18 -0000
- Subject: [Bug middle-end/26898] Fold does not fold signed + CST1 CMP signed + CST2
- References: <bug-26898-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2006-10-21 13:21 -------
Subject: Bug 26898
Author: rguenth
Date: Sat Oct 21 13:21:06 2006
New Revision: 117931
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117931
Log:
2006-10-21 Richard Guenther <rguenther@suse.de>
PR middle-end/26898
* fold-const.c (fold_comparison): Fold signed comparisons
of the form X +- C1 CMP Y +- C2.
* gcc.dg/torture/pr26898-1.c: New testcase.
* gcc.dg/torture/pr26898-2.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr26898-1.c
trunk/gcc/testsuite/gcc.dg/torture/pr26898-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26898