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https://github.com/cemu-project/Cemu.git
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170 lines
4.1 KiB
C
170 lines
4.1 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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*******************************************************************************
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* @file
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* ih264_mem_fns_atom_intr.c
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*
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* @brief
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* Functions used for memory operations
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*
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* @author
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* Ittiam
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*
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* @par List of Functions:
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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/*****************************************************************************/
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/* File Includes */
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/*****************************************************************************/
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "ih264_typedefs.h"
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#include "ih264_mem_fns.h"
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#include <immintrin.h>
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/**
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*******************************************************************************
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*
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* @brief
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* memcpy of a 8,16 or 32 bytes
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*
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* @par Description:
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* Does memcpy of 8bit data from source to destination for 8,16 or 32 number of bytes
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*
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* @param[in] pu1_dst
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* UWORD8 pointer to the destination
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*
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* @param[in] pu1_src
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* UWORD8 pointer to the source
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*
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* @param[in] num_bytes
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* number of bytes to copy
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* @returns
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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void ih264_memcpy_mul_8_ssse3(UWORD8 *pu1_dst, UWORD8 *pu1_src, UWORD32 num_bytes)
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{
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int col;
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for(col = num_bytes; col >= 8; col -= 8)
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{
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__m128i src_temp16x8b;
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src_temp16x8b = _mm_loadl_epi64((__m128i *)(pu1_src));
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pu1_src += 8;
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_mm_storel_epi64((__m128i *)(pu1_dst), src_temp16x8b);
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pu1_dst += 8;
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}
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}
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/**
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*******************************************************************************
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*
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* @brief
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* memset of a 8,16 or 32 bytes
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*
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* @par Description:
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* Does memset of 8bit data for 8,16 or 32 number of bytes
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*
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* @param[in] pu1_dst
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* UWORD8 pointer to the destination
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*
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* @param[in] value
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* UWORD8 value used for memset
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*
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* @param[in] num_bytes
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* number of bytes to set
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* @returns
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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void ih264_memset_mul_8_ssse3(UWORD8 *pu1_dst, UWORD8 value, UWORD32 num_bytes)
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{
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int col;
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__m128i src_temp16x8b;
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src_temp16x8b = _mm_set1_epi8(value);
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for(col = num_bytes; col >= 8; col -= 8)
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{
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_mm_storel_epi64((__m128i *)(pu1_dst), src_temp16x8b);
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pu1_dst += 8;
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}
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}
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/**
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*******************************************************************************
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*
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* @brief
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* memset of 16bit data of a 8,16 or 32 bytes
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*
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* @par Description:
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* Does memset of 16bit data for 8,16 or 32 number of bytes
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*
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* @param[in] pu2_dst
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* UWORD8 pointer to the destination
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*
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* @param[in] value
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* UWORD16 value used for memset
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*
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* @param[in] num_words
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* number of words to set
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* @returns
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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void ih264_memset_16bit_mul_8_ssse3(UWORD16 *pu2_dst, UWORD16 value, UWORD32 num_words)
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{
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int col;
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__m128i src_temp16x8b;
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src_temp16x8b = _mm_set1_epi16(value);
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for(col = num_words; col >= 8; col -= 8)
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{
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_mm_storeu_si128((__m128i *)(pu2_dst), src_temp16x8b);
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pu2_dst += 8;
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}
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}
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