neon64 use yuvconstants

source/row_neon.cc

 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 116 matching lines @@
     "vqadd.s16  q8, q0, q13                    \n" /* B */                     \
     "vqadd.s16  q9, q0, q14                    \n" /* R */                     \
     "vqadd.s16  q0, q0, q4                     \n" /* G */                     \
     "vqadd.s16  q8, q8, q1                     \n" /* B */                     \
     "vqadd.s16  q9, q9, q10                    \n" /* R */                     \
     "vqsub.s16  q0, q0, q3                     \n" /* G */                     \
     "vqshrun.s16 d20, q8, #6                   \n" /* B */                     \
     "vqshrun.s16 d22, q9, #6                   \n" /* R */                     \
     "vqshrun.s16 d21, q0, #6                   \n" /* G */
 
-
 // BT.601 YUV to RGB reference
 //  R = (Y - 16) * 1.164              - V * -1.596
 //  G = (Y - 16) * 1.164 - U *  0.391 - V *  0.813
 //  B = (Y - 16) * 1.164 - U * -2.018
 
 // Y contribution to R,G,B.  Scale and bias.
 // TODO(fbarchard): Consider moving constants into a common header.
 #define YG 18997 /* round(1.164 * 64 * 256 * 256 / 257) */
 #define YGB -1160 /* 1.164 * 64 * -16 + 64 / 2 */
 
@@ skipping 2854 matching lines @@
     "r"(6)             // %5
   : "cc", "memory", "q0", "q1"  // Clobber List
   );
 }
 #endif  // defined(__ARM_NEON__) && !defined(__aarch64__)
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif