mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/* Copyright (C) 2010-2017 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (fastcpy.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* in the future ASM and new c++ features can be added to speed up copying */
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#include <stdint.h>
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#include <string.h>
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#include <retro_inline.h>
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static INLINE void* memcpy16(void* dst,void* src,size_t size)
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{
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return memcpy(dst,src,size * 2);
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}
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static INLINE void* memcpy32(void* dst,void* src,size_t size)
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{
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return memcpy(dst,src,size * 4);
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}
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static INLINE void* memcpy64(void* dst,void* src,size_t size)
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{
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return memcpy(dst,src,size * 8);
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}
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#ifdef USECPPSTDFILL
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#include <algorithm>
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static INLINE void* memset16(void* dst,uint16_t val,size_t size)
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{
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uint16_t* typedptr = (uint16_t*)dst;
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std::fill(typedptr, typedptr + size, val);
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return dst;
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}
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static INLINE void* memset32(void* dst,uint32_t val,size_t size)
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{
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uint32_t* typedptr = (uint32_t*)dst;
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std::fill(typedptr, typedptr + size, val);
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return dst;
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}
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static INLINE void* memset64(void* dst,uint64_t val,size_t size)
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{
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uint64_t* typedptr = (uint64_t*)dst;
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std::fill(typedptr, typedptr + size, val);
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return dst;
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}
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#else
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static INLINE void* memset16(void* dst,uint16_t val,size_t size)
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{
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size_t i;
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uint16_t* typedptr = (uint16_t*)dst;
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for(i = 0;i < size;i++)
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typedptr[i] = val;
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return dst;
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}
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static INLINE void* memset32(void* dst,uint32_t val,size_t size)
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{
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size_t i;
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uint32_t* typedptr = (uint32_t*)dst;
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for(i = 0;i < size;i++)
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typedptr[i] = val;
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return dst;
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}
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static INLINE void* memset64(void* dst,uint64_t val,size_t size)
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{
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size_t i;
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uint64_t* typedptr = (uint64_t*)dst;
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for(i = 0;i < size;i++)
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typedptr[i] = val;
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return dst;
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}
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#endif
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