r212353 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Jul  8 09:39:57 2014
New Revision: 212353

URL: https://gcc.gnu.org/viewcvs?rev=212353&root=gcc&view=rev
Log:
	PR tree-optimization/61725
	* tree-vrp.c (extract_range_basic): Don't assume vr0 is unsigned
	range, use range_includes_zerop_p instead of integer_zerop on
	vr0->min, only use log2 of max if min is not negative.

	* gcc.dg/tree-ssa/vrp93.c: New test.
	* gcc.c-torture/execute/pr61725.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr61725.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp93.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c