(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_HasRDTSC

Determine whether the CPU has the RDTSC instruction.

Header File

Defined in SDL_cpuinfo.h

Syntax

SDL_bool SDL_HasRDTSC(void);

Return Value

(SDL_bool) Returns SDL_TRUE if the CPU has the RDTSC instruction or SDL_FALSE if not.

Remarks

This always returns false on CPUs that aren't using Intel instruction sets.

Version

This function is available since SDL 2.0.0.

See Also

• SDL_Has3DNow
• SDL_HasAltiVec
• SDL_HasAVX
• SDL_HasAVX2
• SDL_HasMMX
• SDL_HasSSE
• SDL_HasSSE2
• SDL_HasSSE3
• SDL_HasSSE41
• SDL_HasSSE42

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CategoryAPI, CategoryAPIFunction, CategoryCPUInfo

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