r198388 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Apr 29 07:55:09 2013
New Revision: 198388

URL: http://gcc.gnu.org/viewcvs?rev=198388&root=gcc&view=rev
Log:
	PR tree-optimization/57083
	* tree-vrp.c (extract_range_from_binary_expr_1): For LSHIFT_EXPR with
	non-singleton shift count range, zero extend low_bound for uns case.

	* gcc.dg/torture/pr57083.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr57083.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c