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6893268: additional dynamic language related optimizations in C2

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C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-05 15:21:25 +01:00
parent 375527d84e
commit 47f2433a58
52 changed files with 1781 additions and 342 deletions
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6
hotspot/src/share/vm/opto/callGenerator.hpp
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@ -117,6 +117,12 @@ class CallGenerator : public ResourceObj {
CallGenerator* if_hit,
float hit_prob);
// How to make a call that optimistically assumes a MethodHandle target:
static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
CallGenerator* if_missed,
CallGenerator* if_hit,
float hit_prob);
// How to make a call that gives up and goes back to the interpreter:
static CallGenerator* for_uncommon_trap(ciMethod* m,
Deoptimization::DeoptReason reason,