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7071653: JSR 292: call site change notification should be pushed not pulled

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Reviewed-by: kvn, never, bdelsart
This commit is contained in:
Christian Thalinger 2011-08-16 04:14:05 -07:00
parent ac99f413d7
commit 134c40b4db
27 changed files with 906 additions and 526 deletions
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29
hotspot/src/share/vm/opto/callGenerator.cpp
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@ -24,6 +24,7 @@
#include "precompiled.hpp"
#include "ci/bcEscapeAnalyzer.hpp"
#include "ci/ciCallSite.hpp"
#include "ci/ciCPCache.hpp"
#include "ci/ciMethodHandle.hpp"
#include "classfile/javaClasses.hpp"
@ -738,6 +739,34 @@ CallGenerator* CallGenerator::for_method_handle_inline(Node* method_handle, JVMS
}
CallGenerator* CallGenerator::for_invokedynamic_inline(ciCallSite* call_site, JVMState* jvms,
ciMethod* caller, ciMethod* callee, ciCallProfile profile) {
assert(call_site->is_constant_call_site() || call_site->is_mutable_call_site(), "must be");
ciMethodHandle* method_handle = call_site->get_target();
// Set the callee to have access to the class and signature in the
// MethodHandleCompiler.
method_handle->set_callee(callee);
method_handle->set_caller(caller);
method_handle->set_call_profile(profile);
// Get an adapter for the MethodHandle.
ciMethod* target_method = method_handle->get_invokedynamic_adapter();
if (target_method != NULL) {
Compile *C = Compile::current();
CallGenerator* hit_cg = C->call_generator(target_method, -1, false, jvms, true, PROB_ALWAYS);
if (hit_cg != NULL && hit_cg->is_inline()) {
// Add a dependence for invalidation of the optimization.
if (call_site->is_mutable_call_site()) {
C->dependencies()->assert_call_site_target_value(C->env()->CallSite_klass(), call_site, method_handle);
}
return hit_cg;
}
}
return NULL;
}
JVMState* PredictedDynamicCallGenerator::generate(JVMState* jvms) {
GraphKit kit(jvms);
PhaseGVN& gvn = kit.gvn();