Invokedynamic and recursive method call

[Christian Thalinger]

> On Jan 29, 2015, at 4:48 PM, John Rose <john.r.rose at oracle.com> wrote:
> 
> On Jan 7, 2015, at 8:13 AM, Remi Forax <forax at univ-mlv.fr <mailto:forax at univ-mlv.fr>> wrote:
>> 
>> But if fibo is called through an invokedynamic, instead of emitting a direct call to fibo,
>> the JIT generates a code that push the method handle on stack and execute it
>> like if the metod handle was not constant
>> (the method handle is constant because the call at depth=1 is inlined !).
> 
> Invocation of non-constant MH's had a performance regression with the LF-based implementation.
> As of JDK-8069591 they should be no slower and sometimes faster than the old implementation.

Maybe but what Remi is saying that the MH is constant and we could emit a direct call.

> — John
> 
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