git: openjdk/jdk: 8263058: Optimize vector shift with zero shift count

[Ningsheng Jian]

Changeset: d2144a5b
Author:    Eric Liu <eric.c.liu at arm.com>
Committer: Ningsheng Jian <njian at openjdk.org>
Date:      2021-03-17 02:45:00 +0000
URL:       https://git.openjdk.java.net/jdk/commit/d2144a5b

8263058: Optimize vector shift with zero shift count

Reviewed-by: thartmann, kvn

! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp
! src/hotspot/share/opto/vectornode.cpp
! src/hotspot/share/opto/vectornode.hpp