hg: jdk/sandbox: 8205694: AArch64: Add test to validate volatile load, store and CAS code generation

[chris.hegarty at oracle.com]

Changeset: 551c340ca01a
Author:    adinn
Date:      2018-06-28 10:09 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/551c340ca01a

8205694: AArch64: Add test to validate volatile load, store and CAS code generation
Summary: Implement tests to check volatile operations are translated to valid code
Reviewed-by: aph, kvn, dpochepk

! src/hotspot/cpu/aarch64/aarch64.ad
+ test/hotspot/jtreg/compiler/c2/aarch64/TestUnsafeVolatileCAS.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestUnsafeVolatileLoad.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestUnsafeVolatileStore.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatileLoad.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatileStore.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatiles.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatilesCMS.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatilesCMSCondMark.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatilesG1.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatilesParallel.java
+ test/hotspot/jtreg/compiler/c2/aarch64/TestVolatilesSerial.java