This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/37125] [4.3/4.4 Regression] possible integer codegen bug
- 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: 22 Aug 2008 12:45:35 -0000
- Subject: [Bug middle-end/37125] [4.3/4.4 Regression] possible integer codegen bug
- References: <bug-37125-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from rguenth at gcc dot gnu dot org 2008-08-22 12:45 -------
Subject: Bug 37125
Author: rguenth
Date: Fri Aug 22 12:43:49 2008
New Revision: 139450
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139450
Log:
2008-08-22 Richard Guenther <rguenther@suse.de>
PR middle-end/36548
PR middle-end/37125
* fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
if the multiplication does not overflow.
* gcc.c-torture/execute/pr37125.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr37125.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37125