diff options
| author | 2017-02-27 11:46:03 +0000 | |
|---|---|---|
| committer | 2017-02-27 12:48:57 +0000 | |
| commit | 6e311acac755e0446660fdda955e9352895f2b01 (patch) | |
| tree | 19d654b562d328c338f95c05687d3170d207ab7e /runtime/native/java_lang_Object.cc | |
| parent | 69c4c27cc965620511e876248f679bbcf4fde646 (diff) | |
Re-arrange System.identityHashCode for better performance.
Brings in ~8% improvement to Ritz::EvaluateComplexFormulas.
Test: run-libcore-tests test-art-host
bug: 30933338
Change-Id: I9966da4143d013caf2e610eb176c0a8fffabca45
Diffstat (limited to 'runtime/native/java_lang_Object.cc')
| -rw-r--r-- | runtime/native/java_lang_Object.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/runtime/native/java_lang_Object.cc b/runtime/native/java_lang_Object.cc index 6989244280..fb4f99a126 100644 --- a/runtime/native/java_lang_Object.cc +++ b/runtime/native/java_lang_Object.cc @@ -48,12 +48,19 @@ static void Object_waitJI(JNIEnv* env, jobject java_this, jlong ms, jint ns) { soa.Decode<mirror::Object>(java_this)->Wait(soa.Self(), ms, ns); } +static jint Object_identityHashCodeNative(JNIEnv* env, jclass, jobject javaObject) { + ScopedFastNativeObjectAccess soa(env); + ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(javaObject); + return static_cast<jint>(o->IdentityHashCode()); +} + static JNINativeMethod gMethods[] = { FAST_NATIVE_METHOD(Object, internalClone, "()Ljava/lang/Object;"), FAST_NATIVE_METHOD(Object, notify, "()V"), FAST_NATIVE_METHOD(Object, notifyAll, "()V"), OVERLOADED_FAST_NATIVE_METHOD(Object, wait, "()V", wait), OVERLOADED_FAST_NATIVE_METHOD(Object, wait, "(JI)V", waitJI), + FAST_NATIVE_METHOD(Object, identityHashCodeNative, "(Ljava/lang/Object;)I"), }; void register_java_lang_Object(JNIEnv* env) { |