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/*
* Copyright (c) 2023 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.
*/
#include <assert.h>
#include <smmintrin.h>
#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx_ports/mem.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/x86/mem_sse2.h"
static INLINE int64_t summary_all_sse4(const __m128i *sum_all) {
int64_t sum;
const __m128i sum0 = _mm_cvtepu32_epi64(*sum_all);
const __m128i sum1 = _mm_cvtepu32_epi64(_mm_srli_si128(*sum_all, 8));
const __m128i sum_2x64 = _mm_add_epi64(sum0, sum1);
const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8));
_mm_storel_epi64((__m128i *)&sum, sum_1x64);
return sum;
}
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void summary_32_sse4(const __m128i *sum32, __m128i *sum64) {
const __m128i sum0 = _mm_cvtepu32_epi64(*sum32);
const __m128i sum1 = _mm_cvtepu32_epi64(_mm_srli_si128(*sum32, 8));
*sum64 = _mm_add_epi64(sum0, *sum64);
*sum64 = _mm_add_epi64(sum1, *sum64);
}
#endif
static INLINE void sse_w16_sse4_1(__m128i *sum, const uint8_t *a,
const uint8_t *b) {
const __m128i v_a0 = _mm_loadu_si128((const __m128i *)a);
const __m128i v_b0 = _mm_loadu_si128((const __m128i *)b);
const __m128i v_a00_w = _mm_cvtepu8_epi16(v_a0);
const __m128i v_a01_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_a0, 8));
const __m128i v_b00_w = _mm_cvtepu8_epi16(v_b0);
const __m128i v_b01_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_b0, 8));
const __m128i v_d00_w = _mm_sub_epi16(v_a00_w, v_b00_w);
const __m128i v_d01_w = _mm_sub_epi16(v_a01_w, v_b01_w);
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d00_w, v_d00_w));
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d01_w, v_d01_w));
}
static INLINE void sse4x2_sse4_1(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride, __m128i *sum) {
const __m128i v_a0 = load_unaligned_u32(a);
const __m128i v_a1 = load_unaligned_u32(a + a_stride);
const __m128i v_b0 = load_unaligned_u32(b);
const __m128i v_b1 = load_unaligned_u32(b + b_stride);
const __m128i v_a_w = _mm_cvtepu8_epi16(_mm_unpacklo_epi32(v_a0, v_a1));
const __m128i v_b_w = _mm_cvtepu8_epi16(_mm_unpacklo_epi32(v_b0, v_b1));
const __m128i v_d_w = _mm_sub_epi16(v_a_w, v_b_w);
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d_w, v_d_w));
}
static INLINE void sse8_sse4_1(const uint8_t *a, const uint8_t *b,
__m128i *sum) {
const __m128i v_a0 = _mm_loadl_epi64((const __m128i *)a);
const __m128i v_b0 = _mm_loadl_epi64((const __m128i *)b);
const __m128i v_a_w = _mm_cvtepu8_epi16(v_a0);
const __m128i v_b_w = _mm_cvtepu8_epi16(v_b0);
const __m128i v_d_w = _mm_sub_epi16(v_a_w, v_b_w);
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d_w, v_d_w));
}
int64_t vpx_sse_sse4_1(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int width, int height) {
int y = 0;
int64_t sse = 0;
__m128i sum = _mm_setzero_si128();
switch (width) {
case 4:
do {
sse4x2_sse4_1(a, a_stride, b, b_stride, &sum);
a += a_stride << 1;
b += b_stride << 1;
y += 2;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 8:
do {
sse8_sse4_1(a, b, &sum);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 16:
do {
sse_w16_sse4_1(&sum, a, b);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 32:
do {
sse_w16_sse4_1(&sum, a, b);
sse_w16_sse4_1(&sum, a + 16, b + 16);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 64:
do {
sse_w16_sse4_1(&sum, a, b);
sse_w16_sse4_1(&sum, a + 16 * 1, b + 16 * 1);
sse_w16_sse4_1(&sum, a + 16 * 2, b + 16 * 2);
sse_w16_sse4_1(&sum, a + 16 * 3, b + 16 * 3);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 128:
do {
sse_w16_sse4_1(&sum, a, b);
sse_w16_sse4_1(&sum, a + 16 * 1, b + 16 * 1);
sse_w16_sse4_1(&sum, a + 16 * 2, b + 16 * 2);
sse_w16_sse4_1(&sum, a + 16 * 3, b + 16 * 3);
sse_w16_sse4_1(&sum, a + 16 * 4, b + 16 * 4);
sse_w16_sse4_1(&sum, a + 16 * 5, b + 16 * 5);
sse_w16_sse4_1(&sum, a + 16 * 6, b + 16 * 6);
sse_w16_sse4_1(&sum, a + 16 * 7, b + 16 * 7);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
default:
if (width & 0x07) {
do {
int i = 0;
do {
sse8_sse4_1(a + i, b + i, &sum);
sse8_sse4_1(a + i + a_stride, b + i + b_stride, &sum);
i += 8;
} while (i + 4 < width);
sse4x2_sse4_1(a + i, a_stride, b + i, b_stride, &sum);
a += (a_stride << 1);
b += (b_stride << 1);
y += 2;
} while (y < height);
} else {
do {
int i = 0;
do {
sse8_sse4_1(a + i, b + i, &sum);
i += 8;
} while (i < width);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
}
sse = summary_all_sse4(&sum);
break;
}
return sse;
}
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_sse_w4x2_sse4_1(__m128i *sum, const uint16_t *a,
int a_stride, const uint16_t *b,
int b_stride) {
const __m128i v_a0 = _mm_loadl_epi64((const __m128i *)a);
const __m128i v_a1 = _mm_loadl_epi64((const __m128i *)(a + a_stride));
const __m128i v_b0 = _mm_loadl_epi64((const __m128i *)b);
const __m128i v_b1 = _mm_loadl_epi64((const __m128i *)(b + b_stride));
const __m128i v_a_w = _mm_unpacklo_epi64(v_a0, v_a1);
const __m128i v_b_w = _mm_unpacklo_epi64(v_b0, v_b1);
const __m128i v_d_w = _mm_sub_epi16(v_a_w, v_b_w);
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d_w, v_d_w));
}
static INLINE void highbd_sse_w8_sse4_1(__m128i *sum, const uint16_t *a,
const uint16_t *b) {
const __m128i v_a_w = _mm_loadu_si128((const __m128i *)a);
const __m128i v_b_w = _mm_loadu_si128((const __m128i *)b);
const __m128i v_d_w = _mm_sub_epi16(v_a_w, v_b_w);
*sum = _mm_add_epi32(*sum, _mm_madd_epi16(v_d_w, v_d_w));
}
int64_t vpx_highbd_sse_sse4_1(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, int width,
int height) {
int32_t y = 0;
int64_t sse = 0;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
__m128i sum = _mm_setzero_si128();
switch (width) {
case 4:
do {
highbd_sse_w4x2_sse4_1(&sum, a, a_stride, b, b_stride);
a += a_stride << 1;
b += b_stride << 1;
y += 2;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 8:
do {
highbd_sse_w8_sse4_1(&sum, a, b);
a += a_stride;
b += b_stride;
y += 1;
} while (y < height);
sse = summary_all_sse4(&sum);
break;
case 16:
do {
int l = 0;
__m128i sum32 = _mm_setzero_si128();
do {
highbd_sse_w8_sse4_1(&sum32, a, b);
highbd_sse_w8_sse4_1(&sum32, a + 8, b + 8);
a += a_stride;
b += b_stride;
l += 1;
} while (l < 64 && l < (height - y));
summary_32_sse4(&sum32, &sum);
y += 64;
} while (y < height);
_mm_storel_epi64((__m128i *)&sse,
_mm_add_epi64(sum, _mm_srli_si128(sum, 8)));
break;
case 32:
do {
int l = 0;
__m128i sum32 = _mm_setzero_si128();
do {
highbd_sse_w8_sse4_1(&sum32, a, b);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 1, b + 8 * 1);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 2, b + 8 * 2);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 3, b + 8 * 3);
a += a_stride;
b += b_stride;
l += 1;
} while (l < 32 && l < (height - y));
summary_32_sse4(&sum32, &sum);
y += 32;
} while (y < height);
_mm_storel_epi64((__m128i *)&sse,
_mm_add_epi64(sum, _mm_srli_si128(sum, 8)));
break;
case 64:
do {
int l = 0;
__m128i sum32 = _mm_setzero_si128();
do {
highbd_sse_w8_sse4_1(&sum32, a, b);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 1, b + 8 * 1);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 2, b + 8 * 2);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 3, b + 8 * 3);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 4, b + 8 * 4);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 5, b + 8 * 5);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 6, b + 8 * 6);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 7, b + 8 * 7);
a += a_stride;
b += b_stride;
l += 1;
} while (l < 16 && l < (height - y));
summary_32_sse4(&sum32, &sum);
y += 16;
} while (y < height);
_mm_storel_epi64((__m128i *)&sse,
_mm_add_epi64(sum, _mm_srli_si128(sum, 8)));
break;
case 128:
do {
int l = 0;
__m128i sum32 = _mm_setzero_si128();
do {
highbd_sse_w8_sse4_1(&sum32, a, b);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 1, b + 8 * 1);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 2, b + 8 * 2);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 3, b + 8 * 3);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 4, b + 8 * 4);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 5, b + 8 * 5);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 6, b + 8 * 6);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 7, b + 8 * 7);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 8, b + 8 * 8);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 9, b + 8 * 9);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 10, b + 8 * 10);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 11, b + 8 * 11);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 12, b + 8 * 12);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 13, b + 8 * 13);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 14, b + 8 * 14);
highbd_sse_w8_sse4_1(&sum32, a + 8 * 15, b + 8 * 15);
a += a_stride;
b += b_stride;
l += 1;
} while (l < 8 && l < (height - y));
summary_32_sse4(&sum32, &sum);
y += 8;
} while (y < height);
_mm_storel_epi64((__m128i *)&sse,
_mm_add_epi64(sum, _mm_srli_si128(sum, 8)));
break;
default:
if (width & 0x7) {
do {
__m128i sum32 = _mm_setzero_si128();
int i = 0;
do {
highbd_sse_w8_sse4_1(&sum32, a + i, b + i);
highbd_sse_w8_sse4_1(&sum32, a + i + a_stride, b + i + b_stride);
i += 8;
} while (i + 4 < width);
highbd_sse_w4x2_sse4_1(&sum32, a + i, a_stride, b + i, b_stride);
a += (a_stride << 1);
b += (b_stride << 1);
y += 2;
summary_32_sse4(&sum32, &sum);
} while (y < height);
} else {
do {
int l = 0;
__m128i sum32 = _mm_setzero_si128();
do {
int i = 0;
do {
highbd_sse_w8_sse4_1(&sum32, a + i, b + i);
i += 8;
} while (i < width);
a += a_stride;
b += b_stride;
l += 1;
} while (l < 8 && l < (height - y));
summary_32_sse4(&sum32, &sum);
y += 8;
} while (y < height);
}
_mm_storel_epi64((__m128i *)&sse,
_mm_add_epi64(sum, _mm_srli_si128(sum, 8)));
break;
}
return sse;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
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