ref: dbcb89be244e03074ee80e7bc6d5c22e6fc5dd79
dir: /vpx_dsp/x86/highbd_inv_txfm_sse4.h/
/* * 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. */ #ifndef VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_ #define VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_ #include <smmintrin.h> // SSE4.1 #include "./vpx_config.h" #include "vpx_dsp/x86/highbd_inv_txfm_sse2.h" static INLINE __m128i multiplication_round_shift_sse4_1( const __m128i *const in /*in[2]*/, const int c) { const __m128i pair_c = pair_set_epi32(c * 4, 0); __m128i t0, t1; t0 = _mm_mul_epi32(in[0], pair_c); t1 = _mm_mul_epi32(in[1], pair_c); t0 = dct_const_round_shift_64bit(t0); t1 = dct_const_round_shift_64bit(t1); return pack_4(t0, t1); } static INLINE void highbd_butterfly_sse4_1(const __m128i in0, const __m128i in1, const int c0, const int c1, __m128i *const out0, __m128i *const out1) { const __m128i pair_c0 = pair_set_epi32(4 * c0, 0); const __m128i pair_c1 = pair_set_epi32(4 * c1, 0); __m128i temp1[4], temp2[4]; extend_64bit(in0, temp1); extend_64bit(in1, temp2); temp1[2] = _mm_mul_epi32(temp1[0], pair_c1); temp1[3] = _mm_mul_epi32(temp1[1], pair_c1); temp1[0] = _mm_mul_epi32(temp1[0], pair_c0); temp1[1] = _mm_mul_epi32(temp1[1], pair_c0); temp2[2] = _mm_mul_epi32(temp2[0], pair_c0); temp2[3] = _mm_mul_epi32(temp2[1], pair_c0); temp2[0] = _mm_mul_epi32(temp2[0], pair_c1); temp2[1] = _mm_mul_epi32(temp2[1], pair_c1); temp1[0] = _mm_sub_epi64(temp1[0], temp2[0]); temp1[1] = _mm_sub_epi64(temp1[1], temp2[1]); temp2[0] = _mm_add_epi64(temp1[2], temp2[2]); temp2[1] = _mm_add_epi64(temp1[3], temp2[3]); temp1[0] = dct_const_round_shift_64bit(temp1[0]); temp1[1] = dct_const_round_shift_64bit(temp1[1]); temp2[0] = dct_const_round_shift_64bit(temp2[0]); temp2[1] = dct_const_round_shift_64bit(temp2[1]); *out0 = pack_4(temp1[0], temp1[1]); *out1 = pack_4(temp2[0], temp2[1]); } static INLINE void highbd_butterfly_cospi16_sse4_1(const __m128i in0, const __m128i in1, __m128i *const out0, __m128i *const out1) { __m128i temp1[2], temp2; temp2 = _mm_add_epi32(in0, in1); extend_64bit(temp2, temp1); *out0 = multiplication_round_shift_sse4_1(temp1, cospi_16_64); temp2 = _mm_sub_epi32(in0, in1); extend_64bit(temp2, temp1); *out1 = multiplication_round_shift_sse4_1(temp1, cospi_16_64); } static INLINE void highbd_partial_butterfly_sse4_1(const __m128i in, const int c0, const int c1, __m128i *const out0, __m128i *const out1) { __m128i temp[2]; extend_64bit(in, temp); *out0 = multiplication_round_shift_sse4_1(temp, c0); *out1 = multiplication_round_shift_sse4_1(temp, c1); } static INLINE void highbd_idct4_sse4_1(__m128i *const io) { __m128i temp[2], step[4]; transpose_32bit_4x4(io, io); // stage 1 temp[0] = _mm_add_epi32(io[0], io[2]); // input[0] + input[2] extend_64bit(temp[0], temp); step[0] = multiplication_round_shift_sse4_1(temp, cospi_16_64); temp[0] = _mm_sub_epi32(io[0], io[2]); // input[0] - input[2] extend_64bit(temp[0], temp); step[1] = multiplication_round_shift_sse4_1(temp, cospi_16_64); highbd_butterfly_sse4_1(io[1], io[3], cospi_24_64, cospi_8_64, &step[2], &step[3]); // stage 2 io[0] = _mm_add_epi32(step[0], step[3]); // step[0] + step[3] io[1] = _mm_add_epi32(step[1], step[2]); // step[1] + step[2] io[2] = _mm_sub_epi32(step[1], step[2]); // step[1] - step[2] io[3] = _mm_sub_epi32(step[0], step[3]); // step[0] - step[3] } void vpx_highbd_idct8x8_half1d_sse4_1(__m128i *const io); void vpx_highbd_idct16_4col_sse4_1(__m128i *const io /*io[16]*/); #endif // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_