Request for reviews (M): 6829194: JSR 292 needs to support compressed oops

Vladimir Kozlov vladimir.kozlov at oracle.com
Thu Oct 7 15:22:57 PDT 2010


"word" is not concrete size in computers :) In x86 it could be 2 bytes (16 bits).
Is it int (4 bytes) or long (8 bytes) in 64 bit VM (LP64)?
I don't understand why its size should depend on UseCompressedOops flag if it is raw.

Vladimir

John Rose wrote:
> On Oct 7, 2010, at 2:47 PM, Vladimir Kozlov wrote:
> 
>> What size of MethodHandle.vmentry in 64bit VM?
> 
> It's a raw machine word, not compressed.
> 
> -- John


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