ref: dd9ded767bba863336b07a7490a5eb384fb98c12
dir: /vpx_dsp/x86/highbd_idct8x8_add_sse2.c/
/* * Copyright (c) 2015 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_dsp_rtcd.h" #include "vpx_dsp/x86/highbd_inv_txfm_sse2.h" #include "vpx_dsp/x86/inv_txfm_sse2.h" #include "vpx_dsp/x86/transpose_sse2.h" static void highbd_idct8x8_half1d(__m128i *const io) { __m128i step1[8], step2[8]; transpose_32bit_4x4x2(io, io); // stage 1 step1[0] = io[0]; step1[2] = io[4]; step1[1] = io[2]; step1[3] = io[6]; highbd_butterfly_sse2(io[1], io[7], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); highbd_butterfly_sse2(io[5], io[3], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); // stage 2 highbd_butterfly_cospi16_sse2(step1[0], step1[2], &step2[0], &step2[1]); highbd_butterfly_sse2(step1[1], step1[3], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); step2[4] = _mm_add_epi32(step1[4], step1[5]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step2[7] = _mm_add_epi32(step1[7], step1[6]); // stage 3 step1[0] = _mm_add_epi32(step2[0], step2[3]); step1[1] = _mm_add_epi32(step2[1], step2[2]); step1[2] = _mm_sub_epi32(step2[1], step2[2]); step1[3] = _mm_sub_epi32(step2[0], step2[3]); step1[4] = step2[4]; highbd_butterfly_cospi16_sse2(step2[6], step2[5], &step1[6], &step1[5]); step1[7] = step2[7]; // stage 4 highbd_idct8_stage4(step1, io); } static void highbd_idct8x8_12_half1d(__m128i *const io) { __m128i temp1[4], sign[2], step1[8], step2[8]; transpose_32bit_4x4(io, io); // stage 1 step1[0] = io[0]; step1[1] = io[2]; abs_extend_64bit_sse2(io[1], temp1, sign); step1[4] = multiplication_round_shift_sse2(temp1, sign, cospi_28_64); step1[7] = multiplication_round_shift_sse2(temp1, sign, cospi_4_64); abs_extend_64bit_sse2(io[3], temp1, sign); step1[5] = multiplication_neg_round_shift_sse2(temp1, sign, cospi_20_64); step1[6] = multiplication_round_shift_sse2(temp1, sign, cospi_12_64); // stage 2 abs_extend_64bit_sse2(step1[0], temp1, sign); step2[0] = multiplication_round_shift_sse2(temp1, sign, cospi_16_64); abs_extend_64bit_sse2(step1[1], temp1, sign); step2[2] = multiplication_round_shift_sse2(temp1, sign, cospi_24_64); step2[3] = multiplication_round_shift_sse2(temp1, sign, cospi_8_64); step2[4] = _mm_add_epi32(step1[4], step1[5]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step2[7] = _mm_add_epi32(step1[7], step1[6]); // stage 3 step1[0] = _mm_add_epi32(step2[0], step2[3]); step1[1] = _mm_add_epi32(step2[0], step2[2]); step1[2] = _mm_sub_epi32(step2[0], step2[2]); step1[3] = _mm_sub_epi32(step2[0], step2[3]); step1[4] = step2[4]; highbd_butterfly_cospi16_sse2(step2[6], step2[5], &step1[6], &step1[5]); step1[7] = step2[7]; // stage 4 highbd_idct8_stage4(step1, io); } void vpx_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { __m128i io[16]; io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0)); io[4] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 4)); io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0)); io[5] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 4)); io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0)); io[6] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 4)); io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0)); io[7] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 4)); if (bd == 8) { __m128i io_short[8]; io_short[0] = _mm_packs_epi32(io[0], io[4]); io_short[1] = _mm_packs_epi32(io[1], io[5]); io_short[2] = _mm_packs_epi32(io[2], io[6]); io_short[3] = _mm_packs_epi32(io[3], io[7]); io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0)); io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4)); io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0)); io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4)); io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0)); io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4)); io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0)); io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4)); io_short[4] = _mm_packs_epi32(io[8], io[12]); io_short[5] = _mm_packs_epi32(io[9], io[13]); io_short[6] = _mm_packs_epi32(io[10], io[14]); io_short[7] = _mm_packs_epi32(io[11], io[15]); vpx_idct8_sse2(io_short); vpx_idct8_sse2(io_short); round_shift_8x8(io_short, io); } else { __m128i temp[4]; highbd_idct8x8_half1d(io); io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0)); io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4)); io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0)); io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4)); io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0)); io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4)); io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0)); io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4)); highbd_idct8x8_half1d(&io[8]); temp[0] = io[4]; temp[1] = io[5]; temp[2] = io[6]; temp[3] = io[7]; io[4] = io[8]; io[5] = io[9]; io[6] = io[10]; io[7] = io[11]; highbd_idct8x8_half1d(io); io[8] = temp[0]; io[9] = temp[1]; io[10] = temp[2]; io[11] = temp[3]; highbd_idct8x8_half1d(&io[8]); highbd_idct8x8_final_round(io); } recon_and_store_8x8(io, dest, stride, bd); } void vpx_highbd_idct8x8_12_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { const __m128i zero = _mm_setzero_si128(); __m128i io[16]; io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0)); io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0)); io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0)); io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0)); if (bd == 8) { __m128i io_short[8]; io_short[0] = _mm_packs_epi32(io[0], zero); io_short[1] = _mm_packs_epi32(io[1], zero); io_short[2] = _mm_packs_epi32(io[2], zero); io_short[3] = _mm_packs_epi32(io[3], zero); idct8x8_12_add_kernel_sse2(io_short); round_shift_8x8(io_short, io); } else { __m128i temp[4]; highbd_idct8x8_12_half1d(io); temp[0] = io[4]; temp[1] = io[5]; temp[2] = io[6]; temp[3] = io[7]; highbd_idct8x8_12_half1d(io); io[8] = temp[0]; io[9] = temp[1]; io[10] = temp[2]; io[11] = temp[3]; highbd_idct8x8_12_half1d(&io[8]); highbd_idct8x8_final_round(io); } recon_and_store_8x8(io, dest, stride, bd); } void vpx_highbd_idct8x8_1_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { highbd_idct_1_add_kernel(input, dest, stride, bd, 8); }