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7071307: MethodHandle bimorphic inlining should consider the frequency

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Reviewed-by: twisti, roland, kvn, iveresov
This commit is contained in:
Tom Rodriguez 2011-09-02 20:58:21 -07:00
parent 1038fed51d
commit 32fd1b087d
20 changed files with 346 additions and 61 deletions
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15
hotspot/src/share/vm/prims/methodHandles.cpp
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@ -158,6 +158,8 @@ const char* MethodHandles::_entry_names[_EK_LIMIT+1] = {
"adapter_fold/4/ref",
"adapter_fold/5/ref",
"adapter_opt_profiling",
NULL
};
@ -2653,6 +2655,11 @@ void MethodHandles::init_AdapterMethodHandle(Handle mh, Handle target, int argnu
// Finalize the conversion field. (Note that it is final to Java code.)
java_lang_invoke_AdapterMethodHandle::set_conversion(mh(), new_conversion);
if (java_lang_invoke_CountingMethodHandle::is_instance(mh())) {
assert(ek_orig == _adapter_retype_only, "only one handled");
ek_opt = _adapter_opt_profiling;
}
// Done!
java_lang_invoke_MethodHandle::set_vmentry(mh(), entry(ek_opt));
@ -2905,8 +2912,12 @@ JVM_ENTRY(jint, MHN_getConstant(JNIEnv *env, jobject igcls, jint which)) {
return MethodHandles::stack_move_unit();
case MethodHandles::GC_CONV_OP_IMPLEMENTED_MASK:
return MethodHandles::adapter_conversion_ops_supported_mask();
case MethodHandles::GC_OP_ROT_ARGS_DOWN_LIMIT_BIAS:
return MethodHandles::OP_ROT_ARGS_DOWN_LIMIT_BIAS;
case MethodHandles::GC_COUNT_GWT:
#ifdef COMPILER2
return true;
#else
return false;
#endif
}
return 0;
}