commit d72945c6b18831630af8755fcf041f5a59c82cae
author Hiroshi Yamauchi <yamauchi@google.com> Wed Mar 16 11:23:10 2016 -0700
committer Hiroshi Yamauchi <yamauchi@google.com> Wed Mar 16 13:54:01 2016 -0700
tree 413977fb152b0db8b19320431d5d620521d5751a
parent 8e57978b5f330a322f05644c2db7fa8ce89b1b46

Revert "Revert "Assembly TLAB allocation fast path for arm64.""

This reverts commit 52fa2c698b995c21940f366cf3a44204ddf4f8e9.

Fix the mvn instructions.

Bug: 9986565
Change-Id: Ib7b2023cd54c57131442e1de85c64f40b818313d

runtime/arch/arm/quick_entrypoints_arm.S

diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index 64135d8..82ec0b7 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -1125,9 +1125,8 @@
     // r0: type_idx/return value, r1: ArtMethod*, r9: Thread::Current
     // r2, r3, r12: free.
 #if defined(USE_READ_BARRIER)
-    eor    r0, r0, r0                                         // Read barrier not supported here.
-    sub    r0, r0, #1                                         // Return -1.
-    bx     lr
+    mvn    r0, #0                                             // Read barrier not supported here.
+    bx     lr                                                 // Return -1.
 #endif
     ldr    r2, [r1, #ART_METHOD_DEX_CACHE_TYPES_OFFSET_32]    // Load dex cache resolved types array
                                                               // Load the class (r2)