Adding an intrinsic to the interpreter

[Paul Sandoz]

> On 30 Sep 2015, at 03:29, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
> I thought these special case interpreter entries prevent the compiler from counting the invocations and cause them not to be inlined by the compiler.   That's why we removed generate_accessor_entry and generate_empty_entry.
> 

Thanks, I was not aware of that, and did not check to see if the behaviour of C1/C2 was affected.

Perhaps this only affects the cases where the methods are not also intrinsic on C1/C2? which is relevant here since the unaligned variants are not intrinsic on aligned architectures.

Paul.