ARM Skia NEON patches - 35 - First AArch64 support

src/core/SkBlitter_RGB16.cpp

Index: src/core/SkBlitter_RGB16.cpp
diff --git a/src/core/SkBlitter_RGB16.cpp b/src/core/SkBlitter_RGB16.cpp
index 256cbc6936f6daad6a1c48c798936a3b184dbfc0..4edd00d768bfb30be2f82faa4c04fae06e6e2deb 100644
--- a/src/core/SkBlitter_RGB16.cpp
+++ b/src/core/SkBlitter_RGB16.cpp
@@ -16,8 +16,7 @@
 #include "SkUtils.h"
 #include "SkXfermode.h"
 
-#if defined(__ARM_HAVE_NEON) && defined(SK_CPU_LENDIAN)
-    #define SK_USE_NEON
+#if SK_ARM_NEON_IS_ALWAYS && defined(SK_CPU_LENDIAN)

[djsollen, 2014/03/20 14:40:16]

can we do this in a separate CL since it doesn't seem to be tied to 64-bit? If
you want I'll be happy to take care of that.

[kevin.petit, 2014/03/20 16:05:09]

You're right. I've uploaded https://codereview.chromium.org/206543002/.

     #include <arm_neon.h>
 #else
     // if we don't have neon, then our black blitter is worth the extra code
@@ -385,7 +384,7 @@ void SkRGB16_Opaque_Blitter::blitMask(const SkMask& mask,
     unsigned    maskRB = mask.fRowBytes - width;
     uint32_t    expanded32 = fExpandedRaw16;
 
-#ifdef SK_USE_NEON
+#if SK_ARM_NEON_IS_ALWAYS && defined(SK_CPU_LENDIAN)
 #define    UNROLL    8
     do {
         int w = width;