ref: 719a61a653646e781b2024da890c7c6b378a6f1e
dir: /codec/common/mips/copy_mb_msa.c/
/*!
* \copy
* Copyright (C) 2020 Loongson Technology Co. Ltd.
* Contributed by Gu Xiwei(guxiwei-hf@loongson.cn)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file copy_mb_msa.c
*
* \brief MIPS MSA optimizations
*
* \date 14/05/2020 Created
*
*************************************************************************************
*/
#include <stdint.h>
#include "msa_macros.h"
void WelsCopy8x8_msa(uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc,
int32_t iStrideS ) {
v16u8 src0, src1;
for (int i = 0; i < 4; i++) {
MSA_LD_V2(v16u8, pSrc, iStrideS, src0, src1);
MSA_ST_D(src0, 0, pDst);
MSA_ST_D(src1, 0, pDst + iStrideD);
pSrc += 2 * iStrideS;
pDst += 2 * iStrideD;
}
}
void WelsCopy8x16_msa(uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc,
int32_t iStrideS) {
WelsCopy8x8_msa(pDst, iStrideD, pSrc, iStrideS);
WelsCopy8x8_msa(pDst + 8 * iStrideD, iStrideD,
pSrc + 8 * iStrideS, iStrideS);
}
void WelsCopy16x8_msa(uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc,
int32_t iStrideS) {
v16u8 src0, src1;
for (int i = 0; i < 4; i++) {
MSA_LD_V2(v16u8, pSrc, iStrideS, src0, src1);
MSA_ST_V2(v16u8, src0, src1, pDst, iStrideD);
pSrc += 2 * iStrideS;
pDst += 2 * iStrideD;
}
}
void WelsCopy16x16_msa(uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc,
int32_t iStrideS) {
WelsCopy16x8_msa(pDst, iStrideD, pSrc, iStrideS);
WelsCopy16x8_msa(pDst + 8 * iStrideD, iStrideD,
pSrc + 8 * iStrideS, iStrideS);
};