RFR (M): 8149415: [AArch64] implement JVMCI CodeInstaller

[Christian Thalinger]

> On Feb 10, 2016, at 8:54 AM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> Why you need #ifdef _LP64 in jvmciCodeInstaller_aarch64.cpp? It is only 64 bit VM.

Haha, yeah, good point.  Copy-paste :-)  I’ll remove it.

> Otherwise looks good.
> 
> Thanks,
> Vladimir
> 
> On 2/9/16 2:39 PM, Christian Thalinger wrote:
>> https://bugs.openjdk.java.net/browse/JDK-8149415
>> http://cr.openjdk.java.net/~twisti/8149415/webrev.01/
>> 
>> This is a first cut of the CodeInstaller implementation for AArch64.  One missing part is compressed oops support but
>> it’s not a big issue because Graal doesn’t support it yet either.
>> 
>> The patch also includes changes to AMD64 and SPARC’s RegisterConfig to use an array for the reserved registers.  The
>> code before was too hard to understand.
>>