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comparison include/SDL_endian.h @ 859:6b28c91bf3d2

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This works on MacOS X too. :)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 26 Feb 2004 14:26:07 +0000
parents bab227101de4
children cec525374267
comparison
equal deleted inserted replaced
858:5db50aa5bf08 859:6b28c91bf3d2
69 static __inline__ Uint16 SDL_Swap16(Uint16 x) 69 static __inline__ Uint16 SDL_Swap16(Uint16 x)
70 { 70 {
71 __asm__("xchgb %b0,%h0" : "=q" (x) : "0" (x)); 71 __asm__("xchgb %b0,%h0" : "=q" (x) : "0" (x));
72 return x; 72 return x;
73 } 73 }
74 #elif defined(__GNUC__) && defined(__powerpc__) 74 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
75 static __inline__ Uint16 SDL_Swap16(Uint16 x) 75 static __inline__ Uint16 SDL_Swap16(Uint16 x)
76 { 76 {
77 Uint16 result; 77 Uint16 result;
78 78
79 __asm__("rlwimi %0,%2,8,16,23" : "=&r" (result) : "0" (x >> 8), "r" (x)); 79 __asm__("rlwimi %0,%2,8,16,23" : "=&r" (result) : "0" (x >> 8), "r" (x));
95 static __inline__ Uint32 SDL_Swap32(Uint32 x) 95 static __inline__ Uint32 SDL_Swap32(Uint32 x)
96 { 96 {
97 __asm__("bswapl %0" : "=r" (x) : "0" (x)); 97 __asm__("bswapl %0" : "=r" (x) : "0" (x));
98 return x; 98 return x;
99 } 99 }
100 #elif defined(__GNUC__) && defined(__powerpc__) 100 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
101 static __inline__ Uint32 SDL_Swap32(Uint32 x) 101 static __inline__ Uint32 SDL_Swap32(Uint32 x)
102 { 102 {
103 Uint32 result; 103 Uint32 result;
104 104
105 __asm__("rlwimi %0,%2,24,16,23" : "=&r" (result) : "0" (x>>24), "r" (x)); 105 __asm__("rlwimi %0,%2,24,16,23" : "=&r" (result) : "0" (x>>24), "r" (x));