[Bug middle-end/26561] [4.2 Regression] ACATS failures c34004a, c46033a and cxg2024 at -O0

[sayle 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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26561