ref: d42e876164c63eead9d0db6f53cda866f508cd4a
dir: /vpx_dsp/x86/highbd_intrapred_intrin_sse2.c/
/*
* 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.
*/
#include <emmintrin.h> // SSE2
#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
// -----------------------------------------------------------------------------
void vpx_highbd_h_predictor_4x4_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i left_u16 = _mm_loadl_epi64((const __m128i *)left);
const __m128i row0 = _mm_shufflelo_epi16(left_u16, 0x0);
const __m128i row1 = _mm_shufflelo_epi16(left_u16, 0x55);
const __m128i row2 = _mm_shufflelo_epi16(left_u16, 0xaa);
const __m128i row3 = _mm_shufflelo_epi16(left_u16, 0xff);
(void)above;
(void)bd;
_mm_storel_epi64((__m128i *)dst, row0);
dst += stride;
_mm_storel_epi64((__m128i *)dst, row1);
dst += stride;
_mm_storel_epi64((__m128i *)dst, row2);
dst += stride;
_mm_storel_epi64((__m128i *)dst, row3);
}
void vpx_highbd_h_predictor_8x8_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i left_u16 = _mm_load_si128((const __m128i *)left);
const __m128i row0 = _mm_shufflelo_epi16(left_u16, 0x0);
const __m128i row1 = _mm_shufflelo_epi16(left_u16, 0x55);
const __m128i row2 = _mm_shufflelo_epi16(left_u16, 0xaa);
const __m128i row3 = _mm_shufflelo_epi16(left_u16, 0xff);
const __m128i row4 = _mm_shufflehi_epi16(left_u16, 0x0);
const __m128i row5 = _mm_shufflehi_epi16(left_u16, 0x55);
const __m128i row6 = _mm_shufflehi_epi16(left_u16, 0xaa);
const __m128i row7 = _mm_shufflehi_epi16(left_u16, 0xff);
(void)above;
(void)bd;
_mm_store_si128((__m128i *)dst, _mm_unpacklo_epi64(row0, row0));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpacklo_epi64(row1, row1));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpacklo_epi64(row2, row2));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpacklo_epi64(row3, row3));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpackhi_epi64(row4, row4));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpackhi_epi64(row5, row5));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpackhi_epi64(row6, row6));
dst += stride;
_mm_store_si128((__m128i *)dst, _mm_unpackhi_epi64(row7, row7));
}
static INLINE void h_store_16_unpacklo(uint16_t **dst, const ptrdiff_t stride,
const __m128i *row) {
const __m128i val = _mm_unpacklo_epi64(*row, *row);
_mm_store_si128((__m128i *)*dst, val);
_mm_store_si128((__m128i *)(*dst + 8), val);
*dst += stride;
}
static INLINE void h_store_16_unpackhi(uint16_t **dst, const ptrdiff_t stride,
const __m128i *row) {
const __m128i val = _mm_unpackhi_epi64(*row, *row);
_mm_store_si128((__m128i *)(*dst), val);
_mm_store_si128((__m128i *)(*dst + 8), val);
*dst += stride;
}
void vpx_highbd_h_predictor_16x16_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
int i;
(void)above;
(void)bd;
for (i = 0; i < 2; i++, left += 8) {
const __m128i left_u16 = _mm_load_si128((const __m128i *)left);
const __m128i row0 = _mm_shufflelo_epi16(left_u16, 0x0);
const __m128i row1 = _mm_shufflelo_epi16(left_u16, 0x55);
const __m128i row2 = _mm_shufflelo_epi16(left_u16, 0xaa);
const __m128i row3 = _mm_shufflelo_epi16(left_u16, 0xff);
const __m128i row4 = _mm_shufflehi_epi16(left_u16, 0x0);
const __m128i row5 = _mm_shufflehi_epi16(left_u16, 0x55);
const __m128i row6 = _mm_shufflehi_epi16(left_u16, 0xaa);
const __m128i row7 = _mm_shufflehi_epi16(left_u16, 0xff);
h_store_16_unpacklo(&dst, stride, &row0);
h_store_16_unpacklo(&dst, stride, &row1);
h_store_16_unpacklo(&dst, stride, &row2);
h_store_16_unpacklo(&dst, stride, &row3);
h_store_16_unpackhi(&dst, stride, &row4);
h_store_16_unpackhi(&dst, stride, &row5);
h_store_16_unpackhi(&dst, stride, &row6);
h_store_16_unpackhi(&dst, stride, &row7);
}
}
static INLINE void h_store_32_unpacklo(uint16_t **dst, const ptrdiff_t stride,
const __m128i *row) {
const __m128i val = _mm_unpacklo_epi64(*row, *row);
_mm_store_si128((__m128i *)(*dst), val);
_mm_store_si128((__m128i *)(*dst + 8), val);
_mm_store_si128((__m128i *)(*dst + 16), val);
_mm_store_si128((__m128i *)(*dst + 24), val);
*dst += stride;
}
static INLINE void h_store_32_unpackhi(uint16_t **dst, const ptrdiff_t stride,
const __m128i *row) {
const __m128i val = _mm_unpackhi_epi64(*row, *row);
_mm_store_si128((__m128i *)(*dst), val);
_mm_store_si128((__m128i *)(*dst + 8), val);
_mm_store_si128((__m128i *)(*dst + 16), val);
_mm_store_si128((__m128i *)(*dst + 24), val);
*dst += stride;
}
void vpx_highbd_h_predictor_32x32_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
int i;
(void)above;
(void)bd;
for (i = 0; i < 4; i++, left += 8) {
const __m128i left_u16 = _mm_load_si128((const __m128i *)left);
const __m128i row0 = _mm_shufflelo_epi16(left_u16, 0x0);
const __m128i row1 = _mm_shufflelo_epi16(left_u16, 0x55);
const __m128i row2 = _mm_shufflelo_epi16(left_u16, 0xaa);
const __m128i row3 = _mm_shufflelo_epi16(left_u16, 0xff);
const __m128i row4 = _mm_shufflehi_epi16(left_u16, 0x0);
const __m128i row5 = _mm_shufflehi_epi16(left_u16, 0x55);
const __m128i row6 = _mm_shufflehi_epi16(left_u16, 0xaa);
const __m128i row7 = _mm_shufflehi_epi16(left_u16, 0xff);
h_store_32_unpacklo(&dst, stride, &row0);
h_store_32_unpacklo(&dst, stride, &row1);
h_store_32_unpacklo(&dst, stride, &row2);
h_store_32_unpacklo(&dst, stride, &row3);
h_store_32_unpackhi(&dst, stride, &row4);
h_store_32_unpackhi(&dst, stride, &row5);
h_store_32_unpackhi(&dst, stride, &row6);
h_store_32_unpackhi(&dst, stride, &row7);
}
}
//------------------------------------------------------------------------------
// DC 4x4
static INLINE __m128i dc_sum_4(const uint16_t *ref) {
const __m128i _dcba = _mm_loadl_epi64((const __m128i *)ref);
const __m128i _xxdc = _mm_shufflelo_epi16(_dcba, 0xe);
const __m128i a = _mm_add_epi16(_dcba, _xxdc);
return _mm_add_epi16(a, _mm_shufflelo_epi16(a, 0x1));
}
static INLINE void dc_store_4x4(uint16_t *dst, ptrdiff_t stride,
const __m128i *dc) {
const __m128i dc_dup = _mm_shufflelo_epi16(*dc, 0x0);
int i;
for (i = 0; i < 4; ++i, dst += stride) {
_mm_storel_epi64((__m128i *)dst, dc_dup);
}
}
void vpx_highbd_dc_top_predictor_4x4_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i two = _mm_cvtsi32_si128(2);
const __m128i sum = dc_sum_4(above);
const __m128i dc = _mm_srli_epi16(_mm_add_epi16(sum, two), 2);
(void)left;
(void)bd;
dc_store_4x4(dst, stride, &dc);
}
//------------------------------------------------------------------------------
// DC 8x8
static INLINE __m128i dc_sum_8(const uint16_t *ref) {
const __m128i ref_u16 = _mm_load_si128((const __m128i *)ref);
const __m128i _dcba = _mm_add_epi16(ref_u16, _mm_srli_si128(ref_u16, 8));
const __m128i _xxdc = _mm_shufflelo_epi16(_dcba, 0xe);
const __m128i a = _mm_add_epi16(_dcba, _xxdc);
return _mm_add_epi16(a, _mm_shufflelo_epi16(a, 0x1));
}
static INLINE void dc_store_8x8(uint16_t *dst, ptrdiff_t stride,
const __m128i *dc) {
const __m128i dc_dup_lo = _mm_shufflelo_epi16(*dc, 0);
const __m128i dc_dup = _mm_unpacklo_epi64(dc_dup_lo, dc_dup_lo);
int i;
for (i = 0; i < 8; ++i, dst += stride) {
_mm_store_si128((__m128i *)dst, dc_dup);
}
}
void vpx_highbd_dc_top_predictor_8x8_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i four = _mm_cvtsi32_si128(4);
const __m128i sum = dc_sum_8(above);
const __m128i dc = _mm_srli_epi16(_mm_add_epi16(sum, four), 3);
(void)left;
(void)bd;
dc_store_8x8(dst, stride, &dc);
}
//------------------------------------------------------------------------------
// DC 16x16
static INLINE __m128i dc_sum_16(const uint16_t *ref) {
const __m128i sum_lo = dc_sum_8(ref);
const __m128i sum_hi = dc_sum_8(ref + 8);
return _mm_add_epi16(sum_lo, sum_hi);
}
static INLINE void dc_store_16x16(uint16_t *dst, ptrdiff_t stride,
const __m128i *dc) {
const __m128i dc_dup_lo = _mm_shufflelo_epi16(*dc, 0);
const __m128i dc_dup = _mm_unpacklo_epi64(dc_dup_lo, dc_dup_lo);
int i;
for (i = 0; i < 16; ++i, dst += stride) {
_mm_store_si128((__m128i *)dst, dc_dup);
_mm_store_si128((__m128i *)(dst + 8), dc_dup);
}
}
void vpx_highbd_dc_top_predictor_16x16_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i eight = _mm_cvtsi32_si128(8);
const __m128i sum = dc_sum_16(above);
const __m128i dc = _mm_srli_epi16(_mm_add_epi16(sum, eight), 4);
(void)left;
(void)bd;
dc_store_16x16(dst, stride, &dc);
}
//------------------------------------------------------------------------------
// DC 32x32
static INLINE __m128i dc_sum_32(const uint16_t *ref) {
const __m128i zero = _mm_setzero_si128();
const __m128i sum_a = dc_sum_16(ref);
const __m128i sum_b = dc_sum_16(ref + 16);
// 12 bit bd will outrange, so expand to 32 bit before adding final total
return _mm_add_epi32(_mm_unpacklo_epi16(sum_a, zero),
_mm_unpacklo_epi16(sum_b, zero));
}
static INLINE void dc_store_32x32(uint16_t *dst, ptrdiff_t stride,
const __m128i *dc) {
const __m128i dc_dup_lo = _mm_shufflelo_epi16(*dc, 0);
const __m128i dc_dup = _mm_unpacklo_epi64(dc_dup_lo, dc_dup_lo);
int i;
for (i = 0; i < 32; ++i, dst += stride) {
_mm_store_si128((__m128i *)dst, dc_dup);
_mm_store_si128((__m128i *)(dst + 8), dc_dup);
_mm_store_si128((__m128i *)(dst + 16), dc_dup);
_mm_store_si128((__m128i *)(dst + 24), dc_dup);
}
}
void vpx_highbd_dc_top_predictor_32x32_sse2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above,
const uint16_t *left, int bd) {
const __m128i sixteen = _mm_cvtsi32_si128(16);
const __m128i sum = dc_sum_32(above);
const __m128i dc = _mm_srli_epi32(_mm_add_epi32(sum, sixteen), 5);
(void)left;
(void)bd;
dc_store_32x32(dst, stride, &dc);
}