[Bug tree-optimization/33142] [4.1 Regression] wrong code with VRP through ABS_EXPR

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2007-08-22 08:44 -------
Subject: Bug 33142

Author: rguenth
Date: Wed Aug 22 08:43:53 2007
New Revision: 127691

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127691
Log:
2007-08-22  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/33142
        * tree-vrp.c (extract_range_from_unary_expr): Compare with
        TYPE_MIN/MAX_VALUE using tree_int_cst_equal.

        * gcc.c-torture/execute/pr33142.c: New testcase.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/execute/pr33142.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_1-branch/gcc/tree-vrp.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33142