r142702 - in /trunk/gcc: ChangeLog tree-vrp.c

[aoliva@gcc.gnu.org]

Author: aoliva
Date: Fri Dec 12 04:56:29 2008
New Revision: 142702

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142702
Log:
* tree-vrp.c (extract_range_from_binary_expr): Don't shift by
floor_log2 of zero.  Negate widened zero.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c