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/*
* Copyright (c) 2017, 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.
*/
#ifndef AOM_AOM_DSP_X86_MEM_SSE2_H_
#define AOM_AOM_DSP_X86_MEM_SSE2_H_
#include <emmintrin.h> // SSE2
#include <string.h>
#include "config/aom_config.h"
#include "aom/aom_integer.h"
static INLINE int16_t loadu_int16(const void *src) {
int16_t v;
memcpy(&v, src, sizeof(v));
return v;
}
static INLINE int32_t loadu_int32(const void *src) {
int32_t v;
memcpy(&v, src, sizeof(v));
return v;
}
static INLINE int64_t loadu_int64(const void *src) {
int64_t v;
memcpy(&v, src, sizeof(v));
return v;
}
static INLINE void _mm_storeh_epi64(__m128i *const d, const __m128i s) {
_mm_storeh_pi((__m64 *)d, _mm_castsi128_ps(s));
}
static INLINE __m128i loadh_epi64(const void *const src, const __m128i s) {
return _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(s), (const __m64 *)src));
}
static INLINE __m128i load_8bit_4x4_to_1_reg_sse2(const void *const src,
const int byte_stride) {
return _mm_setr_epi32(loadu_int32((int8_t *)src + 0 * byte_stride),
loadu_int32((int8_t *)src + 1 * byte_stride),
loadu_int32((int8_t *)src + 2 * byte_stride),
loadu_int32((int8_t *)src + 3 * byte_stride));
}
static INLINE __m128i load_8bit_8x2_to_1_reg_sse2(const void *const src,
const int byte_stride) {
__m128i dst;
dst = _mm_loadl_epi64((__m128i *)((int8_t *)src + 0 * byte_stride));
dst = loadh_epi64((int8_t *)src + 1 * byte_stride, dst);
return dst;
}
static INLINE void store_8bit_8x4_from_16x2(const __m128i *const s,
uint8_t *const d,
const ptrdiff_t stride) {
_mm_storel_epi64((__m128i *)(d + 0 * stride), s[0]);
_mm_storeh_epi64((__m128i *)(d + 1 * stride), s[0]);
_mm_storel_epi64((__m128i *)(d + 2 * stride), s[1]);
_mm_storeh_epi64((__m128i *)(d + 3 * stride), s[1]);
}
static INLINE void store_8bit_4x4(const __m128i *const s, uint8_t *const d,
const ptrdiff_t stride) {
*(int *)(d + 0 * stride) = _mm_cvtsi128_si32(s[0]);
*(int *)(d + 1 * stride) = _mm_cvtsi128_si32(s[1]);
*(int *)(d + 2 * stride) = _mm_cvtsi128_si32(s[2]);
*(int *)(d + 3 * stride) = _mm_cvtsi128_si32(s[3]);
}
static INLINE void store_8bit_4x4_sse2(const __m128i s, uint8_t *const d,
const ptrdiff_t stride) {
__m128i ss[4];
ss[0] = s;
ss[1] = _mm_srli_si128(s, 4);
ss[2] = _mm_srli_si128(s, 8);
ss[3] = _mm_srli_si128(s, 12);
store_8bit_4x4(ss, d, stride);
}
static INLINE void load_8bit_4x4(const uint8_t *const s, const ptrdiff_t stride,
__m128i *const d) {
d[0] = _mm_cvtsi32_si128(*(const int *)(s + 0 * stride));
d[1] = _mm_cvtsi32_si128(*(const int *)(s + 1 * stride));
d[2] = _mm_cvtsi32_si128(*(const int *)(s + 2 * stride));
d[3] = _mm_cvtsi32_si128(*(const int *)(s + 3 * stride));
}
static INLINE void load_8bit_4x8(const uint8_t *const s, const ptrdiff_t stride,
__m128i *const d) {
load_8bit_4x4(s + 0 * stride, stride, &d[0]);
load_8bit_4x4(s + 4 * stride, stride, &d[4]);
}
static INLINE void load_8bit_8x4(const uint8_t *const s, const ptrdiff_t stride,
__m128i *const d) {
d[0] = _mm_loadl_epi64((const __m128i *)(s + 0 * stride));
d[1] = _mm_loadl_epi64((const __m128i *)(s + 1 * stride));
d[2] = _mm_loadl_epi64((const __m128i *)(s + 2 * stride));
d[3] = _mm_loadl_epi64((const __m128i *)(s + 3 * stride));
}
static INLINE void loadu_8bit_16x4(const uint8_t *const s,
const ptrdiff_t stride, __m128i *const d) {
d[0] = _mm_loadu_si128((const __m128i *)(s + 0 * stride));
d[1] = _mm_loadu_si128((const __m128i *)(s + 1 * stride));
d[2] = _mm_loadu_si128((const __m128i *)(s + 2 * stride));
d[3] = _mm_loadu_si128((const __m128i *)(s + 3 * stride));
}
static INLINE void load_8bit_8x8(const uint8_t *const s, const ptrdiff_t stride,
__m128i *const d) {
load_8bit_8x4(s + 0 * stride, stride, &d[0]);
load_8bit_8x4(s + 4 * stride, stride, &d[4]);
}
static INLINE void load_8bit_16x8(const uint8_t *const s,
const ptrdiff_t stride, __m128i *const d) {
d[0] = _mm_load_si128((const __m128i *)(s + 0 * stride));
d[1] = _mm_load_si128((const __m128i *)(s + 1 * stride));
d[2] = _mm_load_si128((const __m128i *)(s + 2 * stride));
d[3] = _mm_load_si128((const __m128i *)(s + 3 * stride));
d[4] = _mm_load_si128((const __m128i *)(s + 4 * stride));
d[5] = _mm_load_si128((const __m128i *)(s + 5 * stride));
d[6] = _mm_load_si128((const __m128i *)(s + 6 * stride));
d[7] = _mm_load_si128((const __m128i *)(s + 7 * stride));
}
static INLINE void loadu_8bit_16x8(const uint8_t *const s,
const ptrdiff_t stride, __m128i *const d) {
loadu_8bit_16x4(s + 0 * stride, stride, &d[0]);
loadu_8bit_16x4(s + 4 * stride, stride, &d[4]);
}
static INLINE void store_8bit_8x8(const __m128i *const s, uint8_t *const d,
const ptrdiff_t stride) {
_mm_storel_epi64((__m128i *)(d + 0 * stride), s[0]);
_mm_storel_epi64((__m128i *)(d + 1 * stride), s[1]);
_mm_storel_epi64((__m128i *)(d + 2 * stride), s[2]);
_mm_storel_epi64((__m128i *)(d + 3 * stride), s[3]);
_mm_storel_epi64((__m128i *)(d + 4 * stride), s[4]);
_mm_storel_epi64((__m128i *)(d + 5 * stride), s[5]);
_mm_storel_epi64((__m128i *)(d + 6 * stride), s[6]);
_mm_storel_epi64((__m128i *)(d + 7 * stride), s[7]);
}
static INLINE void storeu_8bit_16x4(const __m128i *const s, uint8_t *const d,
const ptrdiff_t stride) {
_mm_storeu_si128((__m128i *)(d + 0 * stride), s[0]);
_mm_storeu_si128((__m128i *)(d + 1 * stride), s[1]);
_mm_storeu_si128((__m128i *)(d + 2 * stride), s[2]);
_mm_storeu_si128((__m128i *)(d + 3 * stride), s[3]);
}
#endif // AOM_AOM_DSP_X86_MEM_SSE2_H_
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