RetroArch/libretro-common/include/fastcpy.h
2017-01-22 14:23:46 +01:00

95 lines
2.9 KiB
C++

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