[9] RFR (XXS): 8152857: [TESTBUG] UnsafeGetConstantField.testUnsafeGetFieldUnaligned fails w/ -XX:-UseUnalignedAccesses in -Xcomp mode

[Vladimir Kozlov]

Good.

Thanks,
Vladimir K

On 3/29/16 3:39 AM, Vladimir Ivanov wrote:
> https://bugs.openjdk.java.net/browse/JDK-8152857
>
> The test fails w/ -XX:-UseUnalignedAccesses in -Xcomp mode because inlining of Unsafe.getIntUnaligned() fails.
>
> The fix [1] is to force the inlining to get the unsafe load constant folded.
>
> Best regards,
> Vladimir Ivanov
>
> [1]
> diff --git a/test/compiler/unsafe/UnsafeGetConstantField.java b/test/compiler/unsafe/UnsafeGetConstantField.java
> --- a/test/compiler/unsafe/UnsafeGetConstantField.java
> +++ b/test/compiler/unsafe/UnsafeGetConstantField.java
> @@ -46,6 +46,7 @@
>    *                         -XX:+FoldStableValues
>    * -XX:CompileCommand=dontinline,UnsafeGetConstantField.checkGetAddress()
>    *                         -XX:CompileCommand=dontinline,*.test*
> + *                         -XX:CompileCommand=inline,*Unsafe.get*
>    *                         -XX:-UseUnalignedAccesses
>    *                         compiler.unsafe.UnsafeGetConstantField
>    */