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Re-added the 3DNow! and AltiVec instruction support.

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This commit is contained in:
Sam Lantinga 2011-02-22 21:44:36 -08:00
parent 92bf0fc2fd
commit e4a0db291e
15 changed files with 2412 additions and 58 deletions
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38
include/SDL_cpuinfo.h
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@ -31,6 +31,34 @@
#include "SDL_stdinc.h"
/* Need to do this here because intrin.h has C++ code in it */
/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
#if defined(_MSC_VER) && (_MSC_VER >= 1500) && !defined(_WIN32_WCE)
#include <intrin.h>
#define __MMX__
#define __3dNOW__
#define __SSE__
#define __SSE2__
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>
#else
#ifdef __MMX__
#include <mmintrin.h>
#endif
#ifdef __3dNOW__
#include <mm3dnow.h>
#endif
#ifdef __SSE__
#include <xmmintrin.h>
#endif
#ifdef __SSE2__
#include <emmintrin.h>
#endif
#ifdef HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#endif
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
@ -64,11 +92,21 @@ extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void);
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
/**
* This function returns true if the CPU has AltiVec features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
/**
* This function returns true if the CPU has MMX features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
/**
* This function returns true if the CPU has 3DNow! features.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
/**
* This function returns true if the CPU has SSE features.
*/