commit 10d4c08c0ea9df0a85a11e1c77974df24078c0ec
author Hiroshi Yamauchi <yamauchi@google.com> Wed Feb 24 12:51:18 2016 -0800
committer Hiroshi Yamauchi <yamauchi@google.com> Fri Mar 11 13:16:55 2016 -0800
tree 6d56cd6cfdac03d6fb6a1cb66153f2179c858f49
parent da11cef6fb6d8a9e08cb445576a50abff8773a25

Assembly region TLAB allocation fast path for arm.

This is for the CC collector.

Share the common fast path code with the tlab fast path code.

Speedup (on N5):
        BinaryTrees:  2291 ->  902 ms (-60%)
        MemAllocTest: 2137 -> 1845 ms (-14%)

Bug: 9986565
Bug: 12687968

Change-Id: Ica63094ec2f85eaa4fd04d202a20090399275d85

runtime/asm_support.h

diff --git a/runtime/asm_support.h b/runtime/asm_support.h
index 879364e..d5f0dff 100644
--- a/runtime/asm_support.h
+++ b/runtime/asm_support.h
@@ -101,6 +101,11 @@
 ADD_TEST_EQ(THREAD_ID_OFFSET,
             art::Thread::ThinLockIdOffset<__SIZEOF_POINTER__>().Int32Value())
 
+// Offset of field Thread::tls32_.is_gc_marking.
+#define THREAD_IS_GC_MARKING_OFFSET 52
+ADD_TEST_EQ(THREAD_IS_GC_MARKING_OFFSET,
+            art::Thread::IsGcMarkingOffset<__SIZEOF_POINTER__>().Int32Value())
+
 // Offset of field Thread::tlsPtr_.card_table.
 #define THREAD_CARD_TABLE_OFFSET 128
 ADD_TEST_EQ(THREAD_CARD_TABLE_OFFSET,