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8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics

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Add a new method, sun.hotspot.WhiteBox.isIntrinsicAvailable, that can be used to determine if an intrinsic is available.

Reviewed-by: kvn, jrose
This commit is contained in:
Zoltan Majo 2015-07-28 19:20:42 +02:00
parent f3d31d3866
commit 422cd18f23
14 changed files with 1347 additions and 607 deletions
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25
hotspot/src/share/vm/prims/whitebox.cpp
View file

@ -528,6 +528,24 @@ WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobje
return mh->queued_for_compilation();
WB_END
WB_ENTRY(jboolean, WB_IsIntrinsicAvailable(JNIEnv* env, jobject o, jobject method, jobject compilation_context, jint compLevel))
if (compLevel < CompLevel_none || compLevel > CompLevel_highest_tier) {
return false; // Intrinsic is not available on a non-existent compilation level.
}
jmethodID method_id, compilation_context_id;
method_id = reflected_method_to_jmid(thread, env, method);
CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(method_id));
if (compilation_context != NULL) {
compilation_context_id = reflected_method_to_jmid(thread, env, compilation_context);
CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
methodHandle cch(THREAD, Method::checked_resolve_jmethod_id(compilation_context_id));
return CompileBroker::compiler(compLevel)->is_intrinsic_available(mh, cch);
} else {
return CompileBroker::compiler(compLevel)->is_intrinsic_available(mh, NULL);
}
WB_END
WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
CHECK_JNI_EXCEPTION_(env, CompLevel_none);
@ -1477,14 +1495,17 @@ static JNINativeMethod methods[] = {
#endif // INCLUDE_NMT
{CC"deoptimizeFrames", CC"(Z)I", (void*)&WB_DeoptimizeFrames },
{CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll },
{CC"deoptimizeMethod0", CC"(Ljava/lang/reflect/Executable;Z)I",
(void*)&WB_DeoptimizeMethod },
{CC"deoptimizeMethod0", CC"(Ljava/lang/reflect/Executable;Z)I",
(void*)&WB_DeoptimizeMethod },
{CC"isMethodCompiled0", CC"(Ljava/lang/reflect/Executable;Z)Z",
(void*)&WB_IsMethodCompiled },
{CC"isMethodCompilable0", CC"(Ljava/lang/reflect/Executable;IZ)Z",
(void*)&WB_IsMethodCompilable},
{CC"isMethodQueuedForCompilation0",
CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation},
{CC"isIntrinsicAvailable0",
CC"(Ljava/lang/reflect/Executable;Ljava/lang/reflect/Executable;I)Z",
(void*)&WB_IsIntrinsicAvailable},
{CC"makeMethodNotCompilable0",
CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable},
{CC"testSetDontInlineMethod0",