From 5ffa0780a2738eed1f86efb967ea99badcbd5d9c Mon Sep 17 00:00:00 2001
From: Mathieu Chartier <mathieuc@google.com>
Date: Wed, 27 Jul 2016 10:45:47 -0700
Subject: Reduce unnecessary read barriers in GC

Removed read barrier from IsUnprocessed, DequeuePendingReference,
EnqueueReference, and a few other places.

Hard to tell if GC time goes down.

EAAC:
Before GC slow path count: 254857
After GC slow path count: 1005

Bug: 30162165
Bug: 12687968

Test: test-art-host, volantis boot with CC

Change-Id: Ic2add3a9b1e1d7561b0b167f2218b10f8dbff76c
---
 runtime/mirror/class.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/mirror/class.h')

diff --git a/runtime/mirror/class.h b/runtime/mirror/class.h
index 32ed337cca..3ba9e1aaab 100644
--- a/runtime/mirror/class.h
+++ b/runtime/mirror/class.h
@@ -471,7 +471,7 @@ class MANAGED Class FINAL : public Object {
 
   template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
   size_t GetComponentSize() SHARED_REQUIRES(Locks::mutator_lock_) {
-    return 1U << GetComponentSizeShift();
+    return 1U << GetComponentSizeShift<kReadBarrierOption>();
   }
 
   template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
-- 
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