r220931 - in /trunk: gcc/ChangeLog gcc/testsuit...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Feb 24 08:07:10 2015
New Revision: 220931

URL: https://gcc.gnu.org/viewcvs?rev=220931&root=gcc&view=rev
Log:
	PR tree-optimization/65170
	* wide-int.cc (wi::mul_internal): For the umul_ppmm optimization,
	if val[1] < 0, clear also val[2] and return 3.

	* gcc.c-torture/execute/pr65170.c: New test.
	* gcc.dg/tree-ssa/vrp96.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr65170.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp96.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/wide-int.cc
    trunk/libsanitizer/ChangeLog