1 files changed, 0 insertions, 94 deletions
diff --git a/files/source/compare_neon64.cc b/files/source/compare_neon64.cc
deleted file mode 100644
index 70fb9b91..00000000
--- a/files/source/compare_neon64.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- *  Copyright 2012 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.
- */
-
-#include "libyuv/basic_types.h"
-
-#include "libyuv/compare_row.h"
-#include "libyuv/row.h"
-
-#ifdef __cplusplus
-namespace libyuv {
-extern "C" {
-#endif
-
-#if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
-
-// 256 bits at a time
-// uses short accumulator which restricts count to 131 KB
-uint32_t HammingDistance_NEON(const uint8_t* src_a,
-                              const uint8_t* src_b,
-                              int count) {
-  uint32_t diff;
-  asm volatile(
-      "movi        v4.8h, #0                     \n"
-
-      "1:                                        \n"
-      "ld1         {v0.16b, v1.16b}, [%0], #32   \n"
-      "ld1         {v2.16b, v3.16b}, [%1], #32   \n"
-      "eor         v0.16b, v0.16b, v2.16b        \n"
-      "prfm        pldl1keep, [%0, 448]          \n"  // prefetch 7 lines ahead
-      "eor         v1.16b, v1.16b, v3.16b        \n"
-      "cnt         v0.16b, v0.16b                \n"
-      "prfm        pldl1keep, [%1, 448]          \n"
-      "cnt         v1.16b, v1.16b                \n"
-      "subs        %w2, %w2, #32                 \n"
-      "add         v0.16b, v0.16b, v1.16b        \n"
-      "uadalp      v4.8h, v0.16b                 \n"
-      "b.gt        1b                            \n"
-
-      "uaddlv      s4, v4.8h                     \n"
-      "fmov        %w3, s4                       \n"
-      : "+r"(src_a), "+r"(src_b), "+r"(count), "=r"(diff)
-      :
-      : "cc", "v0", "v1", "v2", "v3", "v4");
-  return diff;
-}
-
-uint32_t SumSquareError_NEON(const uint8_t* src_a,
-                             const uint8_t* src_b,
-                             int count) {
-  uint32_t sse;
-  asm volatile(
-      "eor         v16.16b, v16.16b, v16.16b     \n"
-      "eor         v18.16b, v18.16b, v18.16b     \n"
-      "eor         v17.16b, v17.16b, v17.16b     \n"
-      "eor         v19.16b, v19.16b, v19.16b     \n"
-
-      "1:                                        \n"
-      "ld1         {v0.16b}, [%0], #16           \n"
-      "ld1         {v1.16b}, [%1], #16           \n"
-      "subs        %w2, %w2, #16                 \n"
-      "usubl       v2.8h, v0.8b, v1.8b           \n"
-      "usubl2      v3.8h, v0.16b, v1.16b         \n"
-      "prfm        pldl1keep, [%0, 448]          \n"  // prefetch 7 lines ahead
-      "smlal       v16.4s, v2.4h, v2.4h          \n"
-      "smlal       v17.4s, v3.4h, v3.4h          \n"
-      "prfm        pldl1keep, [%1, 448]          \n"
-      "smlal2      v18.4s, v2.8h, v2.8h          \n"
-      "smlal2      v19.4s, v3.8h, v3.8h          \n"
-      "b.gt        1b                            \n"
-
-      "add         v16.4s, v16.4s, v17.4s        \n"
-      "add         v18.4s, v18.4s, v19.4s        \n"
-      "add         v19.4s, v16.4s, v18.4s        \n"
-      "addv        s0, v19.4s                    \n"
-      "fmov        %w3, s0                       \n"
-      : "+r"(src_a), "+r"(src_b), "+r"(count), "=r"(sse)
-      :
-      : "cc", "v0", "v1", "v2", "v3", "v16", "v17", "v18", "v19");
-  return sse;
-}
-
-#endif  // !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
-
-#ifdef __cplusplus
-}  // extern "C"
-}  // namespace libyuv
-#endif