raze/polymer/eduke32/source/jaudiolib/platform.h

61 lines
1.3 KiB
C
Executable file

#ifndef _INCLUDE_PLATFORM_H_
#define _INCLUDE_PLATFORM_H_
#if (!defined __EXPORT__)
#define __EXPORT__
#endif
#if (defined __WATCOMC__)
#define snprintf _snprintf
#endif
static __inline unsigned short _swap16(unsigned short D)
{
#if PLATFORM_MACOSX
register unsigned short returnValue;
__asm__ volatile("lhbrx %0,0,%1"
: "=r" (returnValue)
: "r" (&D)
);
return returnValue;
#else
return((D<<8)|(D>>8));
#endif
}
static __inline unsigned int _swap32(unsigned int D)
{
#if PLATFORM_MACOSX
register unsigned int returnValue;
__asm__ volatile("lwbrx %0,0,%1"
: "=r" (returnValue)
: "r" (&D)
);
return returnValue;
#else
return((D<<24)|((D<<8)&0x00FF0000)|((D>>8)&0x0000FF00)|(D>>24));
#endif
}
#if PLATFORM_MACOSX
#define PLATFORM_BIGENDIAN 1
#define BUILDSWAP_INTEL16(x) _swap16(x)
#define BUILDSWAP_INTEL32(x) _swap32(x)
#else
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define PLATFORM_LITTLEENDIAN 1
#define BUILDSWAP_INTEL16(x) (x)
#define BUILDSWAP_INTEL32(x) (x)
#else
#define PLATFORM_BIGENDIAN 1
#define BUILDSWAP_INTEL16(x) _swap16(x)
#define BUILDSWAP_INTEL32(x) _swap32(x)
#endif
#endif
extern int has_altivec; /* PowerPC-specific. */
#endif /* !defined _INCLUDE_PLATFORM_H_ */
/* end of platform.h ... */