hg: panama/dev: Optimize the implementation of single.

[paul.sandoz at oracle.com]

Changeset: 7d5008bc7a51
Author:    psandoz
Date:      2018-05-22 16:40 -0700
URL:       http://hg.openjdk.java.net/panama/dev/rev/7d5008bc7a51

Optimize the implementation of single.

! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ByteVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/DoubleVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/FloatVector.java
! 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/ShortVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/X-Vector.java.template