------- Comment #11 from rguenth at gcc dot gnu dot org  2006-07-12 09:25 
-------
Subject: Bug 28187

Author: rguenth
Date: Wed Jul 12 09:25:40 2006
New Revision: 115366

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=115366
Log:
2006-07-12  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/28187
        * tree-vrp.c (vrp_operand_equal_p): New function.
        (vrp_bitmap_equal_p): Likewise.
        (update_value_range): Use them to compare old and new
        max and min values.

        * gcc.dg/pr28187.c: New testcase.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/pr28187.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


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28187

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