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Commit dbc8b64d authored by Shai Barack's avatar Shai Barack
Browse files

Slightly optimize same thread check 

Checking equality to Thread.currentThread() is fast because ART keeps this instance
in a fixed offset from the value of the thread register.

ldr w0, [tr, #224]; Load Thread.currentThread() into w0

Flag: EXEMPT refactor
Change-Id: I8ad50a2ac63e68ea312b7ca6340aba20caa3480f
parent 2de609df

core/java/android/os/CombinedMessageQueue/MessageQueue.java

+1 −2
Original line number Diff line number Diff line
@@ -2899,9 +2899,8 @@ public final class MessageQueue { 
                    + " now: " + SystemClock.uptimeMillis());

        }



        final Looper myLooper = Looper.myLooper();

        /* If we are running on the looper thread we can add directly to the priority queue */

        if (myLooper != null && myLooper.getQueue() == this) {

        if (Thread.currentThread() == mLooperThread) {

            if (getQuitting()) {

                logDeadThread(msg);

                return false;