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[Bug middle-end/26561] [4.2 Regression] ACATS failures c34004a, c46033a and cxg2024 at -O0
- 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: 9 Mar 2006 14:54:16 -0000
- Subject: [Bug middle-end/26561] [4.2 Regression] ACATS failures c34004a, c46033a and cxg2024 at -O0
- References: <bug-26561-7210@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 2006-03-09 14:54 -------
Subject: Bug 26561
Author: sayle
Date: Thu Mar 9 14:54:11 2006
New Revision: 111862
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111862
Log:
2006-03-09 Roger Sayle <roger@eyesopen.com>
Eric Botcazou <ebotcazou@libertysurf.fr>
PR middle-end/26561
* fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
X op C3, consider whether C3 overflows towards +Inf or -Inf.
* gcc.c-torture/execute/divcmp-5.c: New test case.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/divcmp-5.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26561