| /* |
| * 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 <stdio.h> |
| |
| #include "vp10/common/common.h" |
| |
| int64_t vp10_highbd_block_error_sse2(tran_low_t *coeff, tran_low_t *dqcoeff, |
| intptr_t block_size, int64_t *ssz, |
| int bps) { |
| int i, j, test; |
| uint32_t temp[4]; |
| __m128i max, min, cmp0, cmp1, cmp2, cmp3; |
| int64_t error = 0, sqcoeff = 0; |
| const int shift = 2 * (bps - 8); |
| const int rounding = shift > 0 ? 1 << (shift - 1) : 0; |
| |
| for (i = 0; i < block_size; i+=8) { |
| // Load the data into xmm registers |
| __m128i mm_coeff = _mm_load_si128((__m128i*) (coeff + i)); |
| __m128i mm_coeff2 = _mm_load_si128((__m128i*) (coeff + i + 4)); |
| __m128i mm_dqcoeff = _mm_load_si128((__m128i*) (dqcoeff + i)); |
| __m128i mm_dqcoeff2 = _mm_load_si128((__m128i*) (dqcoeff + i + 4)); |
| // Check if any values require more than 15 bit |
| max = _mm_set1_epi32(0x3fff); |
| min = _mm_set1_epi32(0xffffc000); |
| cmp0 = _mm_xor_si128(_mm_cmpgt_epi32(mm_coeff, max), |
| _mm_cmplt_epi32(mm_coeff, min)); |
| cmp1 = _mm_xor_si128(_mm_cmpgt_epi32(mm_coeff2, max), |
| _mm_cmplt_epi32(mm_coeff2, min)); |
| cmp2 = _mm_xor_si128(_mm_cmpgt_epi32(mm_dqcoeff, max), |
| _mm_cmplt_epi32(mm_dqcoeff, min)); |
| cmp3 = _mm_xor_si128(_mm_cmpgt_epi32(mm_dqcoeff2, max), |
| _mm_cmplt_epi32(mm_dqcoeff2, min)); |
| test = _mm_movemask_epi8(_mm_or_si128(_mm_or_si128(cmp0, cmp1), |
| _mm_or_si128(cmp2, cmp3))); |
| |
| if (!test) { |
| __m128i mm_diff, error_sse2, sqcoeff_sse2;; |
| mm_coeff = _mm_packs_epi32(mm_coeff, mm_coeff2); |
| mm_dqcoeff = _mm_packs_epi32(mm_dqcoeff, mm_dqcoeff2); |
| mm_diff = _mm_sub_epi16(mm_coeff, mm_dqcoeff); |
| error_sse2 = _mm_madd_epi16(mm_diff, mm_diff); |
| sqcoeff_sse2 = _mm_madd_epi16(mm_coeff, mm_coeff); |
| _mm_storeu_si128((__m128i*)temp, error_sse2); |
| error = error + temp[0] + temp[1] + temp[2] + temp[3]; |
| _mm_storeu_si128((__m128i*)temp, sqcoeff_sse2); |
| sqcoeff += temp[0] + temp[1] + temp[2] + temp[3]; |
| } else { |
| for (j = 0; j < 8; j++) { |
| const int64_t diff = coeff[i + j] - dqcoeff[i + j]; |
| error += diff * diff; |
| sqcoeff += (int64_t)coeff[i + j] * (int64_t)coeff[i + j]; |
| } |
| } |
| } |
| assert(error >= 0 && sqcoeff >= 0); |
| error = (error + rounding) >> shift; |
| sqcoeff = (sqcoeff + rounding) >> shift; |
| |
| *ssz = sqcoeff; |
| return error; |
| } |