| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <assert.h> |
| #include <smmintrin.h> |
| |
| #include "config/aom_config.h" |
| |
| #include "aom_ports/mem.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/x86/synonyms.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)); |
| xx_storel_64(&sum, sum_1x64); |
| return sum; |
| } |
| |
| 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); |
| } |
| |
| 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 = xx_loadl_64(a); |
| const __m128i v_a1 = xx_loadl_64(a + a_stride); |
| const __m128i v_b0 = xx_loadl_64(b); |
| const __m128i v_b1 = xx_loadl_64(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 = xx_loadu_128(a); |
| const __m128i v_b_w = xx_loadu_128(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 aom_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); |
| xx_storel_64(&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); |
| xx_storel_64(&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); |
| xx_storel_64(&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); |
| xx_storel_64(&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); |
| } |
| xx_storel_64(&sse, _mm_add_epi64(sum, _mm_srli_si128(sum, 8))); |
| break; |
| } |
| return sse; |
| } |