ref: ad8f8150c078a26ded20d533b93cff2d07c1f49a
dir: /vpx_dsp/arm/sum_neon.h/
/* * Copyright (c) 2017 The WebM 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. */ #ifndef VPX_VPX_DSP_ARM_SUM_NEON_H_ #define VPX_VPX_DSP_ARM_SUM_NEON_H_ #include <arm_neon.h> #include "./vpx_config.h" #include "vpx/vpx_integer.h" static INLINE int32x2_t horizontal_add_int16x8(const int16x8_t a) { const int32x4_t b = vpaddlq_s16(a); const int64x2_t c = vpaddlq_s32(b); return vadd_s32(vreinterpret_s32_s64(vget_low_s64(c)), vreinterpret_s32_s64(vget_high_s64(c))); } static INLINE uint32x2_t horizontal_add_uint16x8(const uint16x8_t a) { const uint32x4_t b = vpaddlq_u16(a); const uint64x2_t c = vpaddlq_u32(b); return vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)), vreinterpret_u32_u64(vget_high_u64(c))); } static INLINE uint32x2_t horizontal_add_uint32x4(const uint32x4_t a) { const uint64x2_t b = vpaddlq_u32(a); return vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), vreinterpret_u32_u64(vget_high_u64(b))); } #endif // VPX_VPX_DSP_ARM_SUM_NEON_H_