r195888 - in /trunk/gcc: ChangeLog fold-const.c...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Feb  8 15:06:26 2013
New Revision: 195888

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195888
Log:
	PR tree-optimization/56250
	* fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
	if type is unsigned and code isn't MULT_EXPR.

	* gcc.c-torture/execute/pr56250.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr56250.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog