hg: panama/dev: Optimize bit rotate operations composing from bit shifting operations.

[paul.sandoz at oracle.com]

Changeset: a4df250992d4
Author:    psandoz
Date:      2018-05-18 15:06 -0700
URL:       http://hg.openjdk.java.net/panama/dev/rev/a4df250992d4

Optimize bit rotate operations composing from bit shifting operations.

! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/IntVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/LongVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/X-Vector.java.template
! test/jdk/jdk/incubator/vector/MethodOverideTest.java