2016-10-14 15:34:02 +02:00

67 lines
1.6 KiB
C++

//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){
uint16_t* typedptr = (uint16_t*)dst;
size_t i;
for(i = 0;i < size;i++){
typedptr[i] = val;
}
return dst;
}
static INLINE void* memset32(void* dst,uint32_t val,size_t size){
uint32_t* typedptr = (uint32_t*)dst;
size_t i;
for(i = 0;i < size;i++){
typedptr[i] = val;
}
return dst;
}
static INLINE void* memset64(void* dst,uint64_t val,size_t size){
uint64_t* typedptr = (uint64_t*)dst;
size_t i;
for(i = 0;i < size;i++){
typedptr[i] = val;
}
return dst;
}
#endif