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)); |
80 return result; |
80 return result; |
81 } |
81 } |
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82 #elif defined(__GNUC__) && defined(__M68000__) |
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83 static __inline__ Uint16 SDL_Swap16(Uint16 x) |
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84 { |
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85 __asm__("rorw #8,%0" : "=d" (x) : "0" (x) : "cc"); |
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86 return x; |
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87 } |
82 #else |
88 #else |
83 static __inline__ Uint16 SDL_Swap16(Uint16 x) { |
89 static __inline__ Uint16 SDL_Swap16(Uint16 x) { |
84 return((x<<8)|(x>>8)); |
90 return((x<<8)|(x>>8)); |
85 } |
91 } |
86 #endif |
92 #endif |
104 |
110 |
105 __asm__("rlwimi %0,%2,24,16,23" : "=&r" (result) : "0" (x>>24), "r" (x)); |
111 __asm__("rlwimi %0,%2,24,16,23" : "=&r" (result) : "0" (x>>24), "r" (x)); |
106 __asm__("rlwimi %0,%2,8,8,15" : "=&r" (result) : "0" (result), "r" (x)); |
112 __asm__("rlwimi %0,%2,8,8,15" : "=&r" (result) : "0" (result), "r" (x)); |
107 __asm__("rlwimi %0,%2,24,0,7" : "=&r" (result) : "0" (result), "r" (x)); |
113 __asm__("rlwimi %0,%2,24,0,7" : "=&r" (result) : "0" (result), "r" (x)); |
108 return result; |
114 return result; |
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115 } |
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116 #elif defined(__GNUC__) && defined(__M68000__) |
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117 static __inline__ Uint16 SDL_Swap32(Uint16 x) |
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118 { |
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119 __asm__("rorw #8,%0;\t\nswap %0;\t\nror #8,%0" : "=d" (x) : "0" (x) : "cc"); |
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120 return x; |
109 } |
121 } |
110 #else |
122 #else |
111 static __inline__ Uint32 SDL_Swap32(Uint32 x) { |
123 static __inline__ Uint32 SDL_Swap32(Uint32 x) { |
112 return((x<<24)|((x<<8)&0x00FF0000)|((x>>8)&0x0000FF00)|(x>>24)); |
124 return((x<<24)|((x<<8)&0x00FF0000)|((x>>8)&0x0000FF00)|(x>>24)); |
113 } |
125 } |