vpx/vpx_dsp/x86/highbd_inv_txfm_sse4.h
Linfeng Zhang 9c43d81bc2 Refactor highbd idct 4x4 and 8x8 x86 functions
BUG=webm:1412

Change-Id: I221dff34dd5f71b390b5e043d0a137ccb0a01dec
2017-07-27 18:01:03 -07:00

62 lines
2.2 KiB
C

/*
* 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 << 2, 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_multiplication_and_add_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(c0 << 2, 0);
const __m128i pair_c1 = pair_set_epi32(c1 << 2, 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]);
}
#endif // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_