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7079673: JSR 292: C1 should inline bytecoded method handle adapters

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Reviewed-by: never
This commit is contained in:
Christian Thalinger 2011-09-01 01:31:25 -07:00
parent fa7c124af1
commit fcc2a86582
9 changed files with 241 additions and 78 deletions
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12
hotspot/src/share/vm/classfile/javaClasses.cpp
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@ -28,6 +28,7 @@
#include "classfile/vmSymbols.hpp"
#include "code/debugInfo.hpp"
#include "code/pcDesc.hpp"
#include "compiler/compilerOracle.hpp"
#include "interpreter/interpreter.hpp"
#include "memory/oopFactory.hpp"
#include "memory/resourceArea.hpp"
@ -2674,6 +2675,17 @@ void java_lang_invoke_CallSite::compute_offsets() {
if (k != NULL) {
compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_lang_invoke_MethodHandle_signature());
}
// Disallow compilation of CallSite.setTargetNormal and CallSite.setTargetVolatile
// (For C2: keep this until we have throttling logic for uncommon traps.)
if (k != NULL) {
instanceKlass* ik = instanceKlass::cast(k);
methodOop m_normal = ik->lookup_method(vmSymbols::setTargetNormal_name(), vmSymbols::setTarget_signature());
methodOop m_volatile = ik->lookup_method(vmSymbols::setTargetVolatile_name(), vmSymbols::setTarget_signature());
guarantee(m_normal && m_volatile, "must exist");
m_normal->set_not_compilable_quietly();
m_volatile->set_not_compilable_quietly();
}
}
oop java_lang_invoke_CallSite::target(oop site) {