libvpx: Pull from upstream

source/libvpx/vp9/encoder/arm/neon/vp9_sad_neon.c

Index: source/libvpx/vp9/encoder/arm/neon/vp9_sad_neon.c
diff --git a/source/libvpx/vp9/encoder/arm/neon/vp9_sad_neon.c b/source/libvpx/vp9/encoder/arm/neon/vp9_sad_neon.c
deleted file mode 100644
index c4cd856804da7ec7e3f42f8df2b562f27bc62cbf..0000000000000000000000000000000000000000
--- a/source/libvpx/vp9/encoder/arm/neon/vp9_sad_neon.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- *  Copyright (c) 2014 The WebM 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.
- */
-
-#include <arm_neon.h>
-#include "./vp9_rtcd.h"
-#include "./vpx_config.h"
-
-#include "vpx/vpx_integer.h"
-
-static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
-                                                    const uint16x8_t vec_hi) {
-  const uint32x4_t vec_l_lo = vaddl_u16(vget_low_u16(vec_lo),
-                                        vget_high_u16(vec_lo));
-  const uint32x4_t vec_l_hi = vaddl_u16(vget_low_u16(vec_hi),
-                                        vget_high_u16(vec_hi));
-  const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi);
-  const uint64x2_t b = vpaddlq_u32(a);
-  const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
-                                vreinterpret_u32_u64(vget_high_u64(b)));
-  return vget_lane_u32(c, 0);
-}
-static INLINE unsigned int horizontal_add_16x8(const uint16x8_t vec_16x8) {
-  const uint32x4_t a = vpaddlq_u16(vec_16x8);
-  const uint64x2_t b = vpaddlq_u32(a);
-  const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
-                                vreinterpret_u32_u64(vget_high_u64(b)));
-  return vget_lane_u32(c, 0);
-}
-
-unsigned int vp9_sad64x64_neon(const uint8_t *src, int src_stride,
-                               const uint8_t *ref, int ref_stride) {
-  int i;
-  uint16x8_t vec_accum_lo = vdupq_n_u16(0);
-  uint16x8_t vec_accum_hi = vdupq_n_u16(0);
-  for (i = 0; i < 64; ++i) {
-    const uint8x16_t vec_src_00 = vld1q_u8(src);
-    const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
-    const uint8x16_t vec_src_32 = vld1q_u8(src + 32);
-    const uint8x16_t vec_src_48 = vld1q_u8(src + 48);
-    const uint8x16_t vec_ref_00 = vld1q_u8(ref);
-    const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
-    const uint8x16_t vec_ref_32 = vld1q_u8(ref + 32);
-    const uint8x16_t vec_ref_48 = vld1q_u8(ref + 48);
-    src += src_stride;
-    ref += ref_stride;
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
-                            vget_low_u8(vec_ref_00));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
-                            vget_high_u8(vec_ref_00));
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
-                            vget_low_u8(vec_ref_16));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
-                            vget_high_u8(vec_ref_16));
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_32),
-                            vget_low_u8(vec_ref_32));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_32),
-                            vget_high_u8(vec_ref_32));
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_48),
-                            vget_low_u8(vec_ref_48));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_48),
-                            vget_high_u8(vec_ref_48));
-  }
-  return horizontal_long_add_16x8(vec_accum_lo, vec_accum_hi);
-}
-
-unsigned int vp9_sad32x32_neon(const uint8_t *src, int src_stride,
-                               const uint8_t *ref, int ref_stride) {
-  int i;
-  uint16x8_t vec_accum_lo = vdupq_n_u16(0);
-  uint16x8_t vec_accum_hi = vdupq_n_u16(0);
-
-  for (i = 0; i < 32; ++i) {
-    const uint8x16_t vec_src_00 = vld1q_u8(src);
-    const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
-    const uint8x16_t vec_ref_00 = vld1q_u8(ref);
-    const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
-    src += src_stride;
-    ref += ref_stride;
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_00),
-                            vget_low_u8(vec_ref_00));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_00),
-                            vget_high_u8(vec_ref_00));
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src_16),
-                            vget_low_u8(vec_ref_16));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src_16),
-                            vget_high_u8(vec_ref_16));
-  }
-  return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
-}
-
-unsigned int vp9_sad16x16_neon(const uint8_t *src, int src_stride,
-                               const uint8_t *ref, int ref_stride) {
-  int i;
-  uint16x8_t vec_accum_lo = vdupq_n_u16(0);
-  uint16x8_t vec_accum_hi = vdupq_n_u16(0);
-
-  for (i = 0; i < 16; ++i) {
-    const uint8x16_t vec_src = vld1q_u8(src);
-    const uint8x16_t vec_ref = vld1q_u8(ref);
-    src += src_stride;
-    ref += ref_stride;
-    vec_accum_lo = vabal_u8(vec_accum_lo, vget_low_u8(vec_src),
-                            vget_low_u8(vec_ref));
-    vec_accum_hi = vabal_u8(vec_accum_hi, vget_high_u8(vec_src),
-                            vget_high_u8(vec_ref));
-  }
-  return horizontal_add_16x8(vaddq_u16(vec_accum_lo, vec_accum_hi));
-}
-
-unsigned int vp9_sad8x8_neon(const uint8_t *src, int src_stride,
-                             const uint8_t *ref, int ref_stride) {
-  int i;
-  uint16x8_t vec_accum = vdupq_n_u16(0);
-
-  for (i = 0; i < 8; ++i) {
-    const uint8x8_t vec_src = vld1_u8(src);
-    const uint8x8_t vec_ref = vld1_u8(ref);
-    src += src_stride;
-    ref += ref_stride;
-    vec_accum = vabal_u8(vec_accum, vec_src, vec_ref);
-  }
-  return horizontal_add_16x8(vec_accum);
-}