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Fixed SSE4 detection, and split it into SSE 4.1 and 4.2

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This commit is contained in:
Sam Lantinga
2011-02-11 23:02:35 -08:00
parent a2cdcf5486
commit aef6fb230a
3 changed files with 47 additions and 12 deletions
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9
include/SDL_cpuinfo.h
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@@ -85,9 +85,14 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void);
/**
* This function returns true if the CPU has SSE4 features.
* This function returns true if the CPU has SSE4.1 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE4(void);
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void);
/**
* This function returns true if the CPU has SSE4.2 features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void);
/* Ends C function definitions when using C++ */