hg: jdk/hs: 8181633: Vectorization fails for some multiplication with constant cases

[vladimir.kozlov at oracle.com]

Changeset: c035fbb1beb4
Author:    njian
Date:      2017-06-20 16:25 +0800
URL:       http://hg.openjdk.java.net/jdk/hs/rev/c035fbb1beb4

8181633: Vectorization fails for some multiplication with constant cases
Reviewed-by: kvn
Contributed-by: yang.zhang at linaro.org

! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/superword.hpp