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

include/SDL_config.h.in

@@ -34,7 +34,7 @@
 
 /* Make sure that this isn't included by Visual C++ */
 #ifdef _MSC_VER
-#error You should copy include/SDL_config.h.default to include/SDL_config.h
+#error You should run hg revert SDL_config.h 
 #endif
 
 /* C language features */
@@ -82,6 +82,7 @@
 #undef HAVE_MATH_H
 #undef HAVE_ICONV_H
 #undef HAVE_SIGNAL_H
+#undef HAVE_ALTIVEC_H
 
 /* C library functions */
 #undef HAVE_MALLOC
@@ -302,5 +303,6 @@
 
 /* Enable assembly routines */
 #undef SDL_ASSEMBLY_ROUTINES
+#undef SDL_ALTIVEC_BLITTERS
 
 #endif /* _SDL_config_h */

include/SDL_config_macosx.h

@@ -168,5 +168,8 @@
 
 /* Enable assembly routines */
 #define SDL_ASSEMBLY_ROUTINES	1
+#ifdef __ppc__
+#define SDL_ALTIVEC_BLITTERS	1
+#endif
 
 #endif /* _SDL_config_macosx_h */

include/SDL_cpuinfo.h

@@ -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.
  */