48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* Copyright (c) 2017 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VPX_DSP_ARM_SUM_NEON_H_
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#define VPX_DSP_ARM_SUM_NEON_H_
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#include <arm_neon.h>
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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static INLINE int32x2_t horizontal_add_int16x8(const int16x8_t a) {
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const int32x4_t b = vpaddlq_s16(a);
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const int64x2_t c = vpaddlq_s32(b);
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return vadd_s32(vreinterpret_s32_s64(vget_low_s64(c)),
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vreinterpret_s32_s64(vget_high_s64(c)));
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}
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static INLINE uint32x2_t horizontal_add_uint16x8(const uint16x8_t a) {
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const uint32x4_t b = vpaddlq_u16(a);
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const uint64x2_t c = vpaddlq_u32(b);
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return vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)),
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vreinterpret_u32_u64(vget_high_u64(c)));
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}
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static INLINE uint32x2_t horizontal_add_long_uint16x8(const uint16x8_t a,
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const uint16x8_t b) {
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const uint32x4_t c = vpaddlq_u16(a);
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const uint32x4_t d = vpadalq_u16(c, b);
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const uint64x2_t e = vpaddlq_u32(d);
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return vadd_u32(vreinterpret_u32_u64(vget_low_u64(e)),
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vreinterpret_u32_u64(vget_high_u64(e)));
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}
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static INLINE uint32x2_t horizontal_add_uint32x4(const uint32x4_t a) {
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const uint64x2_t b = vpaddlq_u32(a);
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return vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
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vreinterpret_u32_u64(vget_high_u64(b)));
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}
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#endif // VPX_DSP_ARM_SUM_NEON_H_
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