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8137167: JEP165: Compiler Control: Implementation task

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Compiler Control JEP

Reviewed-by: roland, twisti, zmajo, simonis
This commit is contained in:
Nils Eliasson 2015-10-20 18:07:28 +02:00
parent 857b7eb968
commit 5a5faf94bf
66 changed files with 3965 additions and 307 deletions
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58
hotspot/src/share/vm/prims/whitebox.cpp
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@ -551,14 +551,20 @@ WB_ENTRY(jboolean, WB_IsIntrinsicAvailable(JNIEnv* env, jobject o, jobject metho
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));
DirectiveSet* directive;
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);
directive = DirectivesStack::getMatchingDirective(cch, CompileBroker::compiler((int)compLevel));
} else {
return CompileBroker::compiler(compLevel)->is_intrinsic_available(mh, NULL);
// Calling with NULL matches default directive
directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler((int)compLevel));
}
bool result = CompileBroker::compiler(compLevel)->is_intrinsic_available(mh, directive);
DirectivesStack::release(directive);
return result;
WB_END
WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
@ -624,6 +630,47 @@ WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobjec
return (mh->queued_for_compilation() || nm != NULL);
WB_END
WB_ENTRY(jboolean, WB_ShouldPrintAssembly(JNIEnv* env, jobject o, jobject method))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
DirectiveSet* directive = DirectivesStack::getMatchingDirective(mh, CompileBroker::compiler(CompLevel_simple));
bool result = directive->PrintAssemblyOption;
DirectivesStack::release(directive);
return result;
WB_END
WB_ENTRY(jint, WB_MatchesInline(JNIEnv* env, jobject o, jobject method, jstring pattern))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
ResourceMark rm;
const char* error_msg = NULL;
char* method_str = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(pattern));
InlineMatcher* m = InlineMatcher::parse_inline_pattern(method_str, error_msg);
if (m == NULL) {
assert(error_msg != NULL, "Always have an error message");
tty->print_cr("Got error: %s", error_msg);
return -1; // Pattern failed
}
// Pattern works - now check if it matches
int result;
if (m->match(mh, InlineMatcher::force_inline)) {
result = 2; // Force inline match
} else if (m->match(mh, InlineMatcher::dont_inline)) {
result = 1; // Dont inline match
} else {
result = 0; // No match
}
delete m;
return result;
WB_END
WB_ENTRY(jint, WB_MatchesMethod(JNIEnv* env, jobject o, jobject method, jstring pattern))
jmethodID jmid = reflected_method_to_jmid(thread, env, method);
@ -1475,6 +1522,13 @@ static JNINativeMethod methods[] = {
{CC"matchesMethod",
CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)I",
(void*)&WB_MatchesMethod},
{CC"matchesInline",
CC"(Ljava/lang/reflect/Executable;Ljava/lang/String;)I",
(void*)&WB_MatchesInline},
{CC"shouldPrintAssembly",
CC"(Ljava/lang/reflect/Executable;)Z",
(void*)&WB_ShouldPrintAssembly},
{CC"isConstantVMFlag", CC"(Ljava/lang/String;)Z", (void*)&WB_IsConstantVMFlag},
{CC"isLockedVMFlag", CC"(Ljava/lang/String;)Z", (void*)&WB_IsLockedVMFlag},
{CC"setBooleanVMFlag", CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag},