1.1 --- a/include/SDL_config_win32.h	Sat Jun 16 05:51:51 2007 +0000
     1.2 +++ b/include/SDL_config_win32.h	Thu Jun 21 18:20:59 2007 +0000
     1.3 @@ -46,6 +46,17 @@
     1.4  #endif
     1.5  #define _UINTPTR_T_DEFINED
     1.6  #endif
     1.7 +/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
     1.8 +#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
     1.9 +#define DWORD_PTR DWORD
    1.10 +#endif
    1.11 +#if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
    1.12 +#define LONG_PTR LONG
    1.13 +#endif
    1.14 +#ifndef GWLP_HINSTANCE
    1.15 +#define GWLP_HINSTANCE GWL_HINSTANCE
    1.16 +#endif
    1.17 +#endif
    1.18  #else	/* !__GNUC__ && !_MSC_VER */
    1.19  typedef signed char int8_t;
    1.20  typedef unsigned char uint8_t;

     2.1 --- a/src/video/SDL_blit_A.c	Sat Jun 16 05:51:51 2007 +0000
     2.2 +++ b/src/video/SDL_blit_A.c	Thu Jun 21 18:20:59 2007 +0000
     2.3 @@ -24,14 +24,30 @@
     2.4  #include "SDL_video.h"
     2.5  #include "SDL_blit.h"
     2.6  
     2.7 +/*
     2.8 +  In Visual C, VC6 has mmintrin.h in the "Processor Pack" add-on.
     2.9 +   Checking if _mm_free is #defined in malloc.h is is the only way to
    2.10 +   determine if the Processor Pack is installed, as far as I can tell.
    2.11 +*/
    2.12 +
    2.13  #if SDL_ASSEMBLY_ROUTINES
    2.14 -#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
    2.15 -#define MMX_ASMBLIT 1
    2.16 -#define GCC_ASMBLIT 1
    2.17 -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) && defined(_M_IX86)
    2.18 -#define MMX_ASMBLIT 1
    2.19 -#define MSVC_ASMBLIT 1
    2.20 -#endif
    2.21 +#  if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
    2.22 +#    define MMX_ASMBLIT 1
    2.23 +#    define GCC_ASMBLIT 1
    2.24 +#  elif defined(_MSC_VER) && defined(_M_IX86)
    2.25 +#    if (_MSC_VER <= 1200)  
    2.26 +#      include <malloc.h>   
    2.27 +#      if defined(_mm_free)
    2.28 +#          define HAVE_MMINTRIN_H 1
    2.29 +#      endif
    2.30 +#    else  /* Visual Studio > VC6 always has mmintrin.h */
    2.31 +#      define HAVE_MMINTRIN_H 1
    2.32 +#    endif
    2.33 +#    if HAVE_MMINTRIN_H
    2.34 +#      define MMX_ASMBLIT 1
    2.35 +#      define MSVC_ASMBLIT 1
    2.36 +#    endif
    2.37 +#  endif
    2.38  #endif /* SDL_ASSEMBLY_ROUTINES */
    2.39  
    2.40  /* Function to check the CPU flags */