tree-vect-loop.c (vect_is_simple_reduction_1): Relax the requirement of the reduction pattern so that one operand of the ...

2013-10-15  Cong Hou  <congh@google.com>

        * tree-vect-loop.c (vect_is_simple_reduction_1): Relax the 
        requirement of the reduction pattern so that one operand of the 
        reduction operation can come from outside of the loop.

2013-10-15  Cong Hou  <congh@google.com>

        * gcc.dg/vect/vect-reduc-pattern-3.c: New test.

From-SVN: r203625