hg: jdk/submit12: 8216050: Superword optimization fails with assert(0 <= i && i < _len) failed: illegal index

[vivek.r.deshpande at intel.com]

Changeset: 36ca868f266f
Author:    vdeshpande
Date:      2019-01-15 11:19 -0800
URL:       http://hg.openjdk.java.net/jdk/submit12/rev/36ca868f266f

8216050: Superword optimization fails with assert(0 <= i && i < _len) failed: illegal index
Summary: Fix for the crash by matching the operands by swapping to right positions.
Reviewed-by: thartmann, kvn

! src/hotspot/cpu/x86/x86.ad
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/mulnode.cpp
! src/hotspot/share/opto/mulnode.hpp
! src/hotspot/share/opto/superword.cpp