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Diffstat (limited to 'third_party/aom/av1/encoder/arm/neon/error_neon.c')
-rw-r--r--third_party/aom/av1/encoder/arm/neon/error_neon.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/third_party/aom/av1/encoder/arm/neon/error_neon.c b/third_party/aom/av1/encoder/arm/neon/error_neon.c
deleted file mode 100644
index fe5233f89..000000000
--- a/third_party/aom/av1/encoder/arm/neon/error_neon.c
+++ /dev/null
@@ -1,42 +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 <assert.h>
-
-#include "./av1_rtcd.h"
-
-int64_t av1_block_error_fp_neon(const int16_t *coeff, const int16_t *dqcoeff,
- int block_size) {
- int64x2_t error = vdupq_n_s64(0);
-
- assert(block_size >= 8);
- assert((block_size % 8) == 0);
-
- do {
- const int16x8_t c = vld1q_s16(coeff);
- const int16x8_t d = vld1q_s16(dqcoeff);
- const int16x8_t diff = vsubq_s16(c, d);
- const int16x4_t diff_lo = vget_low_s16(diff);
- const int16x4_t diff_hi = vget_high_s16(diff);
- // diff is 15-bits, the squares 30, so we can store 2 in 31-bits before
- // accumulating them in 64-bits.
- const int32x4_t err0 = vmull_s16(diff_lo, diff_lo);
- const int32x4_t err1 = vmlal_s16(err0, diff_hi, diff_hi);
- const int64x2_t err2 = vaddl_s32(vget_low_s32(err1), vget_high_s32(err1));
- error = vaddq_s64(error, err2);
- coeff += 8;
- dqcoeff += 8;
- block_size -= 8;
- } while (block_size != 0);
-
- return vgetq_lane_s64(error, 0) + vgetq_lane_s64(error, 1);
-}