On 11/30/2011 04:16 PM, Jochen Theodorou wrote:
Am 30.11.2011 14:26, schrieb Rémi Forax:
[...]
The VM still profile getMetaClass() so if you insert the call at
callsite instead of relying
on a method that itself call getMetaClass() you should have a narrow
profile that may
enable inlining.
I need it for the guards... which actually reminds me... assuming I
have to test each parameter for its type what is the best way to do this?
one method that takes a Class and an Object and returns true if
object.getClass() == clazz,
then you create a method handle on that method.
When you whant to test the class of an object, you use insertArgument to
bind the class
into the method handle and dropArguments to remove the arguments before
the one
you want to test.
There is an example here:
http://code.google.com/p/jsr292-cookbook/source/browse/trunk/inlining-cache/src/jsr292/cookbook/icache/RT.java#56
bye Jochen
cheers,
Rémi
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