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Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
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1087 changed files with 154333 additions and 265310 deletions
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/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <arm_neon.h>
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#include <assert.h>
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#include "./av1_rtcd.h"
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int64_t av1_block_error_fp_neon(const int16_t *coeff, const int16_t *dqcoeff,
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int block_size) {
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int64x2_t error = vdupq_n_s64(0);
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assert(block_size >= 8);
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assert((block_size % 8) == 0);
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do {
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const int16x8_t c = vld1q_s16(coeff);
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const int16x8_t d = vld1q_s16(dqcoeff);
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const int16x8_t diff = vsubq_s16(c, d);
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const int16x4_t diff_lo = vget_low_s16(diff);
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const int16x4_t diff_hi = vget_high_s16(diff);
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// diff is 15-bits, the squares 30, so we can store 2 in 31-bits before
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// accumulating them in 64-bits.
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const int32x4_t err0 = vmull_s16(diff_lo, diff_lo);
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const int32x4_t err1 = vmlal_s16(err0, diff_hi, diff_hi);
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const int64x2_t err2 = vaddl_s32(vget_low_s32(err1), vget_high_s32(err1));
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error = vaddq_s64(error, err2);
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coeff += 8;
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dqcoeff += 8;
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block_size -= 8;
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} while (block_size != 0);
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return vgetq_lane_s64(error, 0) + vgetq_lane_s64(error, 1);
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}
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