mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-19 06:43:58 -07:00
a3696c0b91
lib/sysdep: clean up by moving OS and cpu-arch folders into "os" and "arch" folders This was SVN commit r6162.
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#include "precompiled.h"
|
|
|
|
#if ARCH_AMD64
|
|
|
|
#include "amd64.h"
|
|
#include "amd64_asm.h"
|
|
|
|
#include "lib/sysdep/cpu.h"
|
|
#if MSC_VERSION
|
|
#include <intrin.h>
|
|
#endif
|
|
|
|
void cpu_ConfigureFloatingPoint()
|
|
{
|
|
// 64-bit CPU:s apparently use SSE2 for all floating-point operations, so I
|
|
// *guess* we don't need to do anything...
|
|
}
|
|
|
|
void* cpu_memcpy(void* RESTRICT dst, const void* RESTRICT src, size_t size)
|
|
{
|
|
return memcpy(dst, src, size);
|
|
}
|
|
|
|
#if MSC_VERSION
|
|
|
|
bool cpu_CAS(volatile uintptr_t* location, uintptr_t expected, uintptr_t newValue)
|
|
{
|
|
const uintptr_t initial = _InterlockedCompareExchange64((volatile __int64*)location, newValue, expected);
|
|
return initial == expected;
|
|
}
|
|
|
|
void cpu_AtomicAdd(volatile intptr_t* location, intptr_t increment)
|
|
{
|
|
(void)_InterlockedExchangeAdd64(location, increment);
|
|
}
|
|
|
|
#elif GCC_VERSION
|
|
|
|
void cpu_AtomicAdd(volatile intptr_t* location, intptr_t increment)
|
|
{
|
|
amd64_AtomicAdd(location, increment);
|
|
}
|
|
|
|
bool cpu_CAS(volatile uintptr_t* location, uintptr_t expected, uintptr_t newValue)
|
|
{
|
|
return amd64_CAS(location, expected, newValue) ? true : false;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif // ARCH_AMD64
|