[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

[pinskia at gcc dot gnu dot org]

------- Comment #7 from pinskia at gcc dot gnu dot org  2007-05-28 19:48 -------
Subject: Bug 32100

Author: pinskia
Date: Mon May 28 19:47:53 2007
New Revision: 125140

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125140
Log:
2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/32100
        * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
        return true when truth_value_p is true and the type
        is of signed:1.

2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/32100
         * gcc.c-torture/execute/vrp-7.c: New test.



Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/vrp-7.c
      - copied unchanged from r125139,
trunk/gcc/testsuite/gcc.c-torture/execute/vrp-7.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/fold-const.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32100