blob: e4f724c738c3d93b62f9b68171b825f1997b2789 [file] [log] [blame]
/*
* Copyright (c) 2019, Alliance for Open Media. 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 "config/aom_dsp_rtcd.h"
#include "config/aom_config.h"
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
static INLINE int horizontal_add_s16x8(const int16x8_t a) {
#if defined(__aarch64__)
return vaddlvq_s16(a);
#else
const int32x4_t b = vpaddlq_s16(a);
const int64x2_t c = vpaddlq_s32(b);
const int32x2_t d = vadd_s32(vreinterpret_s32_s64(vget_low_s64(c)),
vreinterpret_s32_s64(vget_high_s64(c)));
return vget_lane_s32(d, 0);
#endif
}
static INLINE int horizontal_add_s32x4(const int32x4_t a) {
#if defined(__aarch64__)
return vaddvq_s32(a);
#else
const int64x2_t b = vpaddlq_s32(a);
const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)),
vreinterpret_s32_s64(vget_high_s64(b)));
return vget_lane_s32(c, 0);
#endif
}
static INLINE uint64_t horizontal_add_u64x2(const uint64x2_t a) {
#if defined(__aarch64__)
return vaddvq_u64(a);
#else
return vgetq_lane_u64(a, 0) + vgetq_lane_u64(a, 1);
#endif
}
static INLINE uint64_t horizontal_long_add_u32x4(const uint32x4_t a) {
#if defined(__aarch64__)
return vaddlvq_u32(a);
#else
const uint64x2_t b = vpaddlq_u32(a);
return vgetq_lane_u64(b, 0) + vgetq_lane_u64(b, 1);
#endif
}
static INLINE unsigned int horizontal_add_u32x4(const uint32x4_t a) {
#if defined(__aarch64__)
return vaddvq_u32(a);
#else
const uint64x2_t b = vpaddlq_u32(a);
const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
vreinterpret_u32_u64(vget_high_u64(b)));
return vget_lane_u32(c, 0);
#endif
}
static INLINE uint32x4_t horizontal_add_4d_u32x4(const uint32x4_t sum[4]) {
#if defined(__aarch64__)
uint32x4_t res01 = vpaddq_u32(sum[0], sum[1]);
uint32x4_t res23 = vpaddq_u32(sum[2], sum[3]);
return vpaddq_u32(res01, res23);
#else
uint32x4_t res = vdupq_n_u32(0);
res = vsetq_lane_u32(horizontal_add_u32x4(sum[0]), res, 0);
res = vsetq_lane_u32(horizontal_add_u32x4(sum[1]), res, 1);
res = vsetq_lane_u32(horizontal_add_u32x4(sum[2]), res, 2);
res = vsetq_lane_u32(horizontal_add_u32x4(sum[3]), res, 3);
return res;
#endif
}
static INLINE uint32_t horizontal_long_add_u16x8(const uint16x8_t vec_lo,
const uint16x8_t vec_hi) {
#if defined(__aarch64__)
return vaddlvq_u16(vec_lo) + vaddlvq_u16(vec_hi);
#else
const uint32x4_t vec_l_lo =
vaddl_u16(vget_low_u16(vec_lo), vget_high_u16(vec_lo));
const uint32x4_t vec_l_hi =
vaddl_u16(vget_low_u16(vec_hi), vget_high_u16(vec_hi));
const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi);
const uint64x2_t b = vpaddlq_u32(a);
const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
vreinterpret_u32_u64(vget_high_u64(b)));
return vget_lane_u32(c, 0);
#endif
}
static INLINE uint32_t horizontal_add_u16x8(const uint16x8_t a) {
#if defined(__aarch64__)
return vaddlvq_u16(a);
#else
const uint32x4_t b = vpaddlq_u16(a);
const uint64x2_t c = vpaddlq_u32(b);
const uint32x2_t d = vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)),
vreinterpret_u32_u64(vget_high_u64(c)));
return vget_lane_u32(d, 0);
#endif
}
static INLINE uint32_t horizontal_add_u32x2(const uint32x2_t a) {
#if defined(__aarch64__)
return vaddv_u32(a);
#else
const uint64x1_t b = vpaddl_u32(a);
return vget_lane_u32(vreinterpret_u32_u64(b), 0);
#endif
}
static INLINE uint32_t horizontal_add_u16x4(const uint16x4_t a) {
#if defined(__aarch64__)
return vaddlv_u16(a);
#else
const uint32x2_t b = vpaddl_u16(a);
const uint64x1_t c = vpaddl_u32(b);
return vget_lane_u32(vreinterpret_u32_u64(c), 0);
#endif
}