hg: jdk/sandbox: 8222412: AARCH64: multiple instructions encoding issues

[chris.hegarty at oracle.com]

Changeset: 811df7c64724
Author:    dpochepk
Date:      2019-06-10 17:02 +0300
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/811df7c64724

8222412: AARCH64: multiple instructions encoding issues
Reviewed-by: aph

+ src/hotspot/cpu/aarch64/aarch64-asmtest.py
! src/hotspot/cpu/aarch64/assembler_aarch64.cpp
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! src/hotspot/cpu/aarch64/register_aarch64.hpp