r198052 - in /branches/gcc-4_8-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Apr 18 07:56:03 2013
New Revision: 198052

URL: http://gcc.gnu.org/viewcvs?rev=198052&root=gcc&view=rev
Log:
	PR tree-optimization/56984
	* tree-vrp.c (register_edge_assert_for_2): For (x >> M) < N
	and (x >> M) >= N don't register any assertion if N << M is the
	minimum value.

	* gcc.c-torture/compile/pr56984.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/compile/pr56984.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-vrp.c