ref: a2f62fec6906eabda6f3c0a540136640ab80bf17
dir: /vpx_dsp/x86/mem_sse2.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_X86_MEM_SSE2_H_
#define VPX_VPX_DSP_X86_MEM_SSE2_H_
#include <emmintrin.h> // SSE2
#include <string.h>
#include "./vpx_config.h"
static INLINE void storeu_uint32(void *dst, uint32_t v) {
memcpy(dst, &v, sizeof(v));
}
static INLINE uint32_t loadu_uint32(const void *src) {
uint32_t v;
memcpy(&v, src, sizeof(v));
return v;
}
static INLINE __m128i load_unaligned_u32(const void *a) {
uint32_t val;
memcpy(&val, a, sizeof(val));
return _mm_cvtsi32_si128(val);
}
static INLINE void store_unaligned_u32(void *const a, const __m128i v) {
const uint32_t val = _mm_cvtsi128_si32(v);
memcpy(a, &val, sizeof(val));
}
#define mm_storelu(dst, v) memcpy((dst), (const char *)&(v), 8)
#define mm_storehu(dst, v) memcpy((dst), (const char *)&(v) + 8, 8)
static INLINE __m128i loadh_epi64(const __m128i s, const void *const src) {
return _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(s), (const __m64 *)src));
}
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 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_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 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 _mm_storeh_epi64(__m128i *const d, const __m128i s) {
_mm_storeh_pi((__m64 *)d, _mm_castsi128_ps(s));
}
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 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_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 // VPX_VPX_DSP_X86_MEM_SSE2_H_