1 files changed, 0 insertions, 81 deletions
diff --git a/third_party/aom/aom_dsp/arm/subtract_neon.c b/third_party/aom/aom_dsp/arm/subtract_neon.c
deleted file mode 100644
index 28f5ace8e..000000000
--- a/third_party/aom/aom_dsp/arm/subtract_neon.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <arm_neon.h>
-
-#include "config/aom_config.h"
-
-#include "aom/aom_integer.h"
-
-void aom_subtract_block_neon(int rows, int cols, int16_t *diff,
-                             ptrdiff_t diff_stride, const uint8_t *src,
-                             ptrdiff_t src_stride, const uint8_t *pred,
-                             ptrdiff_t pred_stride) {
-  int r, c;
-
-  if (cols > 16) {
-    for (r = 0; r < rows; ++r) {
-      for (c = 0; c < cols; c += 32) {
-        const uint8x16_t v_src_00 = vld1q_u8(&src[c + 0]);
-        const uint8x16_t v_src_16 = vld1q_u8(&src[c + 16]);
-        const uint8x16_t v_pred_00 = vld1q_u8(&pred[c + 0]);
-        const uint8x16_t v_pred_16 = vld1q_u8(&pred[c + 16]);
-        const uint16x8_t v_diff_lo_00 =
-            vsubl_u8(vget_low_u8(v_src_00), vget_low_u8(v_pred_00));
-        const uint16x8_t v_diff_hi_00 =
-            vsubl_u8(vget_high_u8(v_src_00), vget_high_u8(v_pred_00));
-        const uint16x8_t v_diff_lo_16 =
-            vsubl_u8(vget_low_u8(v_src_16), vget_low_u8(v_pred_16));
-        const uint16x8_t v_diff_hi_16 =
-            vsubl_u8(vget_high_u8(v_src_16), vget_high_u8(v_pred_16));
-        vst1q_s16(&diff[c + 0], vreinterpretq_s16_u16(v_diff_lo_00));
-        vst1q_s16(&diff[c + 8], vreinterpretq_s16_u16(v_diff_hi_00));
-        vst1q_s16(&diff[c + 16], vreinterpretq_s16_u16(v_diff_lo_16));
-        vst1q_s16(&diff[c + 24], vreinterpretq_s16_u16(v_diff_hi_16));
-      }
-      diff += diff_stride;
-      pred += pred_stride;
-      src += src_stride;
-    }
-  } else if (cols > 8) {
-    for (r = 0; r < rows; ++r) {
-      const uint8x16_t v_src = vld1q_u8(&src[0]);
-      const uint8x16_t v_pred = vld1q_u8(&pred[0]);
-      const uint16x8_t v_diff_lo =
-          vsubl_u8(vget_low_u8(v_src), vget_low_u8(v_pred));
-      const uint16x8_t v_diff_hi =
-          vsubl_u8(vget_high_u8(v_src), vget_high_u8(v_pred));
-      vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff_lo));
-      vst1q_s16(&diff[8], vreinterpretq_s16_u16(v_diff_hi));
-      diff += diff_stride;
-      pred += pred_stride;
-      src += src_stride;
-    }
-  } else if (cols > 4) {
-    for (r = 0; r < rows; ++r) {
-      const uint8x8_t v_src = vld1_u8(&src[0]);
-      const uint8x8_t v_pred = vld1_u8(&pred[0]);
-      const uint16x8_t v_diff = vsubl_u8(v_src, v_pred);
-      vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff));
-      diff += diff_stride;
-      pred += pred_stride;
-      src += src_stride;
-    }
-  } else {
-    for (r = 0; r < rows; ++r) {
-      for (c = 0; c < cols; ++c) diff[c] = src[c] - pred[c];
-
-      diff += diff_stride;
-      pred += pred_stride;
-      src += src_stride;
-    }
-  }
-}