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- /*
- * Copyright (c) 2014 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>
- #include "./vpx_dsp_rtcd.h"
- #include "vpx/vpx_integer.h"
- #include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
- #include "vpx_ports/mem.h"
- void vpx_minmax_8x8_sse2(const uint8_t *s, int p, const uint8_t *d, int dp,
- int *min, int *max) {
- __m128i u0, s0, d0, diff, maxabsdiff, minabsdiff, negdiff, absdiff0, absdiff;
- u0 = _mm_setzero_si128();
- // Row 0
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff0 = _mm_max_epi16(diff, negdiff);
- // Row 1
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(absdiff0, absdiff);
- minabsdiff = _mm_min_epi16(absdiff0, absdiff);
- // Row 2
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 2 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- // Row 3
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 3 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- // Row 4
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 4 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- // Row 5
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 5 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- // Row 6
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 6 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- // Row 7
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0);
- d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 7 * dp)), u0);
- diff = _mm_subs_epi16(s0, d0);
- negdiff = _mm_subs_epi16(u0, diff);
- absdiff = _mm_max_epi16(diff, negdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff);
- minabsdiff = _mm_min_epi16(minabsdiff, absdiff);
- maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_si128(maxabsdiff, 8));
- maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 32));
- maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 16));
- *max = _mm_extract_epi16(maxabsdiff, 0);
- minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_si128(minabsdiff, 8));
- minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 32));
- minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 16));
- *min = _mm_extract_epi16(minabsdiff, 0);
- }
- unsigned int vpx_avg_8x8_sse2(const uint8_t *s, int p) {
- __m128i s0, s1, u0;
- unsigned int avg = 0;
- u0 = _mm_setzero_si128();
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 8));
- s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 32));
- s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
- avg = _mm_extract_epi16(s0, 0);
- return (avg + 32) >> 6;
- }
- unsigned int vpx_avg_4x4_sse2(const uint8_t *s, int p) {
- __m128i s0, s1, u0;
- unsigned int avg = 0;
- u0 = _mm_setzero_si128();
- s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0);
- s0 = _mm_adds_epu16(s0, s1);
- s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 4));
- s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16));
- avg = _mm_extract_epi16(s0, 0);
- return (avg + 8) >> 4;
- }
- #if CONFIG_VP9_HIGHBITDEPTH
- unsigned int vpx_highbd_avg_8x8_sse2(const uint8_t *s8, int p) {
- __m128i s0, s1;
- unsigned int avg;
- const uint16_t *s = CONVERT_TO_SHORTPTR(s8);
- const __m128i zero = _mm_setzero_si128();
- s0 = _mm_loadu_si128((const __m128i *)(s));
- s1 = _mm_loadu_si128((const __m128i *)(s + p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 2 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 3 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 4 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 5 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 6 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadu_si128((const __m128i *)(s + 7 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_unpackhi_epi16(s0, zero);
- s0 = _mm_unpacklo_epi16(s0, zero);
- s0 = _mm_add_epi32(s0, s1);
- s0 = _mm_add_epi32(s0, _mm_srli_si128(s0, 8));
- s0 = _mm_add_epi32(s0, _mm_srli_si128(s0, 4));
- avg = _mm_cvtsi128_si32(s0);
- return (avg + 32) >> 6;
- }
- unsigned int vpx_highbd_avg_4x4_sse2(const uint8_t *s8, int p) {
- __m128i s0, s1;
- unsigned int avg;
- const uint16_t *s = CONVERT_TO_SHORTPTR(s8);
- s0 = _mm_loadl_epi64((const __m128i *)(s));
- s1 = _mm_loadl_epi64((const __m128i *)(s + p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadl_epi64((const __m128i *)(s + 2 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s1 = _mm_loadl_epi64((const __m128i *)(s + 3 * p));
- s0 = _mm_adds_epu16(s0, s1);
- s0 = _mm_add_epi16(s0, _mm_srli_si128(s0, 4));
- s0 = _mm_add_epi16(s0, _mm_srli_si128(s0, 2));
- avg = _mm_extract_epi16(s0, 0);
- return (avg + 8) >> 4;
- }
- #endif // CONFIG_VP9_HIGHBITDEPTH
- static void hadamard_col8_sse2(__m128i *in, int iter) {
- __m128i a0 = in[0];
- __m128i a1 = in[1];
- __m128i a2 = in[2];
- __m128i a3 = in[3];
- __m128i a4 = in[4];
- __m128i a5 = in[5];
- __m128i a6 = in[6];
- __m128i a7 = in[7];
- __m128i b0 = _mm_add_epi16(a0, a1);
- __m128i b1 = _mm_sub_epi16(a0, a1);
- __m128i b2 = _mm_add_epi16(a2, a3);
- __m128i b3 = _mm_sub_epi16(a2, a3);
- __m128i b4 = _mm_add_epi16(a4, a5);
- __m128i b5 = _mm_sub_epi16(a4, a5);
- __m128i b6 = _mm_add_epi16(a6, a7);
- __m128i b7 = _mm_sub_epi16(a6, a7);
- a0 = _mm_add_epi16(b0, b2);
- a1 = _mm_add_epi16(b1, b3);
- a2 = _mm_sub_epi16(b0, b2);
- a3 = _mm_sub_epi16(b1, b3);
- a4 = _mm_add_epi16(b4, b6);
- a5 = _mm_add_epi16(b5, b7);
- a6 = _mm_sub_epi16(b4, b6);
- a7 = _mm_sub_epi16(b5, b7);
- if (iter == 0) {
- b0 = _mm_add_epi16(a0, a4);
- b7 = _mm_add_epi16(a1, a5);
- b3 = _mm_add_epi16(a2, a6);
- b4 = _mm_add_epi16(a3, a7);
- b2 = _mm_sub_epi16(a0, a4);
- b6 = _mm_sub_epi16(a1, a5);
- b1 = _mm_sub_epi16(a2, a6);
- b5 = _mm_sub_epi16(a3, a7);
- a0 = _mm_unpacklo_epi16(b0, b1);
- a1 = _mm_unpacklo_epi16(b2, b3);
- a2 = _mm_unpackhi_epi16(b0, b1);
- a3 = _mm_unpackhi_epi16(b2, b3);
- a4 = _mm_unpacklo_epi16(b4, b5);
- a5 = _mm_unpacklo_epi16(b6, b7);
- a6 = _mm_unpackhi_epi16(b4, b5);
- a7 = _mm_unpackhi_epi16(b6, b7);
- b0 = _mm_unpacklo_epi32(a0, a1);
- b1 = _mm_unpacklo_epi32(a4, a5);
- b2 = _mm_unpackhi_epi32(a0, a1);
- b3 = _mm_unpackhi_epi32(a4, a5);
- b4 = _mm_unpacklo_epi32(a2, a3);
- b5 = _mm_unpacklo_epi32(a6, a7);
- b6 = _mm_unpackhi_epi32(a2, a3);
- b7 = _mm_unpackhi_epi32(a6, a7);
- in[0] = _mm_unpacklo_epi64(b0, b1);
- in[1] = _mm_unpackhi_epi64(b0, b1);
- in[2] = _mm_unpacklo_epi64(b2, b3);
- in[3] = _mm_unpackhi_epi64(b2, b3);
- in[4] = _mm_unpacklo_epi64(b4, b5);
- in[5] = _mm_unpackhi_epi64(b4, b5);
- in[6] = _mm_unpacklo_epi64(b6, b7);
- in[7] = _mm_unpackhi_epi64(b6, b7);
- } else {
- in[0] = _mm_add_epi16(a0, a4);
- in[7] = _mm_add_epi16(a1, a5);
- in[3] = _mm_add_epi16(a2, a6);
- in[4] = _mm_add_epi16(a3, a7);
- in[2] = _mm_sub_epi16(a0, a4);
- in[6] = _mm_sub_epi16(a1, a5);
- in[1] = _mm_sub_epi16(a2, a6);
- in[5] = _mm_sub_epi16(a3, a7);
- }
- }
- static INLINE void hadamard_8x8_sse2(const int16_t *src_diff,
- ptrdiff_t src_stride, tran_low_t *coeff,
- int is_final) {
- __m128i src[8];
- src[0] = _mm_load_si128((const __m128i *)src_diff);
- src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- src[7] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
- (void)src_diff;
- hadamard_col8_sse2(src, 0);
- hadamard_col8_sse2(src, 1);
- if (is_final) {
- store_tran_low(src[0], coeff);
- coeff += 8;
- store_tran_low(src[1], coeff);
- coeff += 8;
- store_tran_low(src[2], coeff);
- coeff += 8;
- store_tran_low(src[3], coeff);
- coeff += 8;
- store_tran_low(src[4], coeff);
- coeff += 8;
- store_tran_low(src[5], coeff);
- coeff += 8;
- store_tran_low(src[6], coeff);
- coeff += 8;
- store_tran_low(src[7], coeff);
- } else {
- int16_t *coeff16 = (int16_t *)coeff;
- _mm_store_si128((__m128i *)coeff16, src[0]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[1]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[2]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[3]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[4]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[5]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[6]);
- coeff16 += 8;
- _mm_store_si128((__m128i *)coeff16, src[7]);
- }
- }
- void vpx_hadamard_8x8_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
- tran_low_t *coeff) {
- hadamard_8x8_sse2(src_diff, src_stride, coeff, 1);
- }
- static INLINE void hadamard_16x16_sse2(const int16_t *src_diff,
- ptrdiff_t src_stride, tran_low_t *coeff,
- int is_final) {
- #if CONFIG_VP9_HIGHBITDEPTH
- // For high bitdepths, it is unnecessary to store_tran_low
- // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the
- // next stage. Output to an intermediate buffer first, then store_tran_low()
- // in the final stage.
- DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]);
- int16_t *t_coeff = temp_coeff;
- #else
- int16_t *t_coeff = coeff;
- #endif
- int16_t *coeff16 = (int16_t *)coeff;
- int idx;
- for (idx = 0; idx < 4; ++idx) {
- const int16_t *src_ptr =
- src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8;
- hadamard_8x8_sse2(src_ptr, src_stride, (tran_low_t *)(t_coeff + idx * 64),
- 0);
- }
- for (idx = 0; idx < 64; idx += 8) {
- __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff);
- __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 64));
- __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 128));
- __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 192));
- __m128i b0 = _mm_add_epi16(coeff0, coeff1);
- __m128i b1 = _mm_sub_epi16(coeff0, coeff1);
- __m128i b2 = _mm_add_epi16(coeff2, coeff3);
- __m128i b3 = _mm_sub_epi16(coeff2, coeff3);
- b0 = _mm_srai_epi16(b0, 1);
- b1 = _mm_srai_epi16(b1, 1);
- b2 = _mm_srai_epi16(b2, 1);
- b3 = _mm_srai_epi16(b3, 1);
- coeff0 = _mm_add_epi16(b0, b2);
- coeff1 = _mm_add_epi16(b1, b3);
- coeff2 = _mm_sub_epi16(b0, b2);
- coeff3 = _mm_sub_epi16(b1, b3);
- if (is_final) {
- store_tran_low(coeff0, coeff);
- store_tran_low(coeff1, coeff + 64);
- store_tran_low(coeff2, coeff + 128);
- store_tran_low(coeff3, coeff + 192);
- coeff += 8;
- } else {
- _mm_store_si128((__m128i *)coeff16, coeff0);
- _mm_store_si128((__m128i *)(coeff16 + 64), coeff1);
- _mm_store_si128((__m128i *)(coeff16 + 128), coeff2);
- _mm_store_si128((__m128i *)(coeff16 + 192), coeff3);
- coeff16 += 8;
- }
- t_coeff += 8;
- }
- }
- void vpx_hadamard_16x16_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
- tran_low_t *coeff) {
- hadamard_16x16_sse2(src_diff, src_stride, coeff, 1);
- }
- void vpx_hadamard_32x32_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
- tran_low_t *coeff) {
- #if CONFIG_VP9_HIGHBITDEPTH
- // For high bitdepths, it is unnecessary to store_tran_low
- // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the
- // next stage. Output to an intermediate buffer first, then store_tran_low()
- // in the final stage.
- DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]);
- int16_t *t_coeff = temp_coeff;
- #else
- int16_t *t_coeff = coeff;
- #endif
- int idx;
- for (idx = 0; idx < 4; ++idx) {
- const int16_t *src_ptr =
- src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16;
- hadamard_16x16_sse2(src_ptr, src_stride,
- (tran_low_t *)(t_coeff + idx * 256), 0);
- }
- for (idx = 0; idx < 256; idx += 8) {
- __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff);
- __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 256));
- __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 512));
- __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 768));
- __m128i b0 = _mm_add_epi16(coeff0, coeff1);
- __m128i b1 = _mm_sub_epi16(coeff0, coeff1);
- __m128i b2 = _mm_add_epi16(coeff2, coeff3);
- __m128i b3 = _mm_sub_epi16(coeff2, coeff3);
- b0 = _mm_srai_epi16(b0, 2);
- b1 = _mm_srai_epi16(b1, 2);
- b2 = _mm_srai_epi16(b2, 2);
- b3 = _mm_srai_epi16(b3, 2);
- coeff0 = _mm_add_epi16(b0, b2);
- coeff1 = _mm_add_epi16(b1, b3);
- store_tran_low(coeff0, coeff);
- store_tran_low(coeff1, coeff + 256);
- coeff2 = _mm_sub_epi16(b0, b2);
- coeff3 = _mm_sub_epi16(b1, b3);
- store_tran_low(coeff2, coeff + 512);
- store_tran_low(coeff3, coeff + 768);
- coeff += 8;
- t_coeff += 8;
- }
- }
- int vpx_satd_sse2(const tran_low_t *coeff, int length) {
- int i;
- const __m128i zero = _mm_setzero_si128();
- __m128i accum = zero;
- for (i = 0; i < length; i += 8) {
- const __m128i src_line = load_tran_low(coeff);
- const __m128i inv = _mm_sub_epi16(zero, src_line);
- const __m128i abs = _mm_max_epi16(src_line, inv); // abs(src_line)
- const __m128i abs_lo = _mm_unpacklo_epi16(abs, zero);
- const __m128i abs_hi = _mm_unpackhi_epi16(abs, zero);
- const __m128i sum = _mm_add_epi32(abs_lo, abs_hi);
- accum = _mm_add_epi32(accum, sum);
- coeff += 8;
- }
- { // cascading summation of accum
- __m128i hi = _mm_srli_si128(accum, 8);
- accum = _mm_add_epi32(accum, hi);
- hi = _mm_srli_epi64(accum, 32);
- accum = _mm_add_epi32(accum, hi);
- }
- return _mm_cvtsi128_si32(accum);
- }
- void vpx_int_pro_row_sse2(int16_t *hbuf, const uint8_t *ref,
- const int ref_stride, const int height) {
- int idx;
- __m128i zero = _mm_setzero_si128();
- __m128i src_line = _mm_loadu_si128((const __m128i *)ref);
- __m128i s0 = _mm_unpacklo_epi8(src_line, zero);
- __m128i s1 = _mm_unpackhi_epi8(src_line, zero);
- __m128i t0, t1;
- int height_1 = height - 1;
- ref += ref_stride;
- for (idx = 1; idx < height_1; idx += 2) {
- src_line = _mm_loadu_si128((const __m128i *)ref);
- t0 = _mm_unpacklo_epi8(src_line, zero);
- t1 = _mm_unpackhi_epi8(src_line, zero);
- s0 = _mm_adds_epu16(s0, t0);
- s1 = _mm_adds_epu16(s1, t1);
- ref += ref_stride;
- src_line = _mm_loadu_si128((const __m128i *)ref);
- t0 = _mm_unpacklo_epi8(src_line, zero);
- t1 = _mm_unpackhi_epi8(src_line, zero);
- s0 = _mm_adds_epu16(s0, t0);
- s1 = _mm_adds_epu16(s1, t1);
- ref += ref_stride;
- }
- src_line = _mm_loadu_si128((const __m128i *)ref);
- t0 = _mm_unpacklo_epi8(src_line, zero);
- t1 = _mm_unpackhi_epi8(src_line, zero);
- s0 = _mm_adds_epu16(s0, t0);
- s1 = _mm_adds_epu16(s1, t1);
- if (height == 64) {
- s0 = _mm_srai_epi16(s0, 5);
- s1 = _mm_srai_epi16(s1, 5);
- } else if (height == 32) {
- s0 = _mm_srai_epi16(s0, 4);
- s1 = _mm_srai_epi16(s1, 4);
- } else {
- s0 = _mm_srai_epi16(s0, 3);
- s1 = _mm_srai_epi16(s1, 3);
- }
- _mm_storeu_si128((__m128i *)hbuf, s0);
- hbuf += 8;
- _mm_storeu_si128((__m128i *)hbuf, s1);
- }
- int16_t vpx_int_pro_col_sse2(const uint8_t *ref, const int width) {
- __m128i zero = _mm_setzero_si128();
- __m128i src_line = _mm_load_si128((const __m128i *)ref);
- __m128i s0 = _mm_sad_epu8(src_line, zero);
- __m128i s1;
- int i;
- for (i = 16; i < width; i += 16) {
- ref += 16;
- src_line = _mm_load_si128((const __m128i *)ref);
- s1 = _mm_sad_epu8(src_line, zero);
- s0 = _mm_adds_epu16(s0, s1);
- }
- s1 = _mm_srli_si128(s0, 8);
- s0 = _mm_adds_epu16(s0, s1);
- return _mm_extract_epi16(s0, 0);
- }
- int vpx_vector_var_sse2(const int16_t *ref, const int16_t *src, const int bwl) {
- int idx;
- int width = 4 << bwl;
- int16_t mean;
- __m128i v0 = _mm_loadu_si128((const __m128i *)ref);
- __m128i v1 = _mm_load_si128((const __m128i *)src);
- __m128i diff = _mm_subs_epi16(v0, v1);
- __m128i sum = diff;
- __m128i sse = _mm_madd_epi16(diff, diff);
- ref += 8;
- src += 8;
- for (idx = 8; idx < width; idx += 8) {
- v0 = _mm_loadu_si128((const __m128i *)ref);
- v1 = _mm_load_si128((const __m128i *)src);
- diff = _mm_subs_epi16(v0, v1);
- sum = _mm_add_epi16(sum, diff);
- v0 = _mm_madd_epi16(diff, diff);
- sse = _mm_add_epi32(sse, v0);
- ref += 8;
- src += 8;
- }
- v0 = _mm_srli_si128(sum, 8);
- sum = _mm_add_epi16(sum, v0);
- v0 = _mm_srli_epi64(sum, 32);
- sum = _mm_add_epi16(sum, v0);
- v0 = _mm_srli_epi32(sum, 16);
- sum = _mm_add_epi16(sum, v0);
- v1 = _mm_srli_si128(sse, 8);
- sse = _mm_add_epi32(sse, v1);
- v1 = _mm_srli_epi64(sse, 32);
- sse = _mm_add_epi32(sse, v1);
- mean = _mm_extract_epi16(sum, 0);
- return _mm_cvtsi128_si32(sse) - ((mean * mean) >> (bwl + 2));
- }
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