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#ifndef PREFETCH_H
#define PREFETCH_H
#if UNITY_PS3
#include <ppu_intrinsics.h>
#endif
// This assembly will not work for Jungle. TODO: use arm version check here
#if defined(__arm__) && !UNITY_LINUX && !UNITY_WINRT
inline void Prefetch(const void* p)
{
unsigned char* pCurr = (unsigned char*)p;
asm volatile(
"pld [%0] \n\t"
: "=r" (pCurr)
: "0" (pCurr)
: "r0");
}
inline void Prefetch(const void* p, size_t size)
{
unsigned char* pCurr = (unsigned char*)p;
unsigned char* pEnd = pCurr + size;
while (pCurr < pEnd)
{
asm volatile(
"pld [%0] \n\t"
: "=r" (pCurr)
: "0" (pCurr)
: "r0");
pCurr += 32;
}
}
#elif defined(_XBOX)
__forceinline void Prefetch(const void* p, size_t size = 32)
{
__dcbt(0, p);
}
#elif UNITY_PS3
inline void Prefetch(const void* p, size_t size = 32)
{
__dcbt(p);
}
#else
//@TODO: gcc __builtin_prefetch(p); profile & enable
inline void Prefetch(const void* /*p*/, size_t /*size*/ = 32) { }
#endif
#endif
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