diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/opts/SkCachePreload_arm.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/opts/SkCachePreload_arm.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkCachePreload_arm_DEFINED
+#define SkCachePreload_arm_DEFINED
+
+// This file defines macros for preload instructions for ARM. These macros
+// are designed to be embedded inside GNU inline assembly.
+// For the use of these macros, __ARM_USE_PLD needs to be enabled. The cache
+// line size also needs to be known (and needs to be contained inside
+// __ARM_CACHE_LINE_SIZE).
+#if defined(__ARM_USE_PLD)
+
+#define PLD(x, n)           "pld        [%["#x"], #("#n")]\n\t"
+
+#if __ARM_CACHE_LINE_SIZE == 32
+    #define PLD64(x, n)      PLD(x, n) PLD(x, (n) + 32)
+#elif __ARM_CACHE_LINE_SIZE == 64
+    #define PLD64(x, n)      PLD(x, n)
+#else
+    #error "unknown __ARM_CACHE_LINE_SIZE."
+#endif
+#else
+    // PLD is disabled, all macros become empty.
+    #define PLD(x, n)
+    #define PLD64(x, n)
+#endif
+
+#define PLD128(x, n)         PLD64(x, n) PLD64(x, (n) + 64)
+
+#endif  // SkCachePreload_arm_DEFINED