hg: jdk/sandbox: 8251885: aarch64: aarch64-asmtest.py script generates unpredictable instructions

[chris.hegarty at oracle.com]

Changeset: 06a0743e84d9
Author:    fyang
Date:      2020-08-18 10:20 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/06a0743e84d9

8251885: aarch64: aarch64-asmtest.py script generates unpredictable instructions
Reviewed-by: aph
Contributed-by: dongbo4 at huawei.com

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