37 #define SDL_LIL_ENDIAN 1234 38 #define SDL_BIG_ENDIAN 4321 44 #define SDL_BYTEORDER __BYTE_ORDER 45 #elif defined(__OpenBSD__) 47 #define SDL_BYTEORDER BYTE_ORDER 49 #if defined(__hppa__) || \ 50 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ 51 (defined(__MIPS__) && defined(__MIPSEB__)) || \ 52 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ 54 #define SDL_BYTEORDER SDL_BIG_ENDIAN 56 #define SDL_BYTEORDER SDL_LIL_ENDIAN 71 #if defined(__GNUC__) && defined(__i386__) && \ 72 !(__GNUC__ == 2 && __GNUC_MINOR__ == 95 ) 76 __asm__(
"xchgb %b0,%h0":
"=q"(x):
"0"(x));
79 #elif defined(__GNUC__) && defined(__x86_64__) 83 __asm__(
"xchgb %b0,%h0":
"=Q"(x):
"0"(x));
86 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) 92 __asm__(
"rlwimi %0,%2,8,16,23":
"=&r"(result):
"0"(x >> 8),
"r"(x));
95 #elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) 99 __asm__(
"rorw #8,%0":
"=d"(x):
"0"(x):
"cc");
102 #elif defined(__WATCOMC__) && defined(__386__) 104 #pragma aux SDL_Swap16 = \ 116 #if defined(__GNUC__) && defined(__i386__) 120 __asm__(
"bswap %0":
"=r"(x):
"0"(x));
123 #elif defined(__GNUC__) && defined(__x86_64__) 127 __asm__(
"bswapl %0":
"=r"(x):
"0"(x));
130 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) 136 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(result):
"0"(x >> 24),
"r"(x));
137 __asm__(
"rlwimi %0,%2,8,8,15":
"=&r"(result):
"0"(result),
"r"(x));
138 __asm__(
"rlwimi %0,%2,24,0,7":
"=&r"(result):
"0"(result),
"r"(x));
141 #elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) 145 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(x):
"0"(x):
"cc");
148 #elif defined(__WATCOMC__) && defined(__386__) 151 #pragma aux SDL_Swap32 = \ 156 #pragma aux SDL_Swap32 = \ 168 ((x >> 8) & 0x0000FF00) | (x >> 24)));
172 #if defined(__GNUC__) && defined(__i386__) 185 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1":
"=r"(v.s.a),
"=r"(v.s.b):
"0"(v.s.a),
190 #elif defined(__GNUC__) && defined(__x86_64__) 194 __asm__(
"bswapq %0":
"=r"(x):
"0"(x));
234 #if SDL_BYTEORDER == SDL_LIL_ENDIAN 235 #define SDL_SwapLE16(X) (X) 236 #define SDL_SwapLE32(X) (X) 237 #define SDL_SwapLE64(X) (X) 238 #define SDL_SwapFloatLE(X) (X) 239 #define SDL_SwapBE16(X) SDL_Swap16(X) 240 #define SDL_SwapBE32(X) SDL_Swap32(X) 241 #define SDL_SwapBE64(X) SDL_Swap64(X) 242 #define SDL_SwapFloatBE(X) SDL_SwapFloat(X) 244 #define SDL_SwapLE16(X) SDL_Swap16(X) 245 #define SDL_SwapLE32(X) SDL_Swap32(X) 246 #define SDL_SwapLE64(X) SDL_Swap64(X) 247 #define SDL_SwapFloatLE(X) SDL_SwapFloat(X) 248 #define SDL_SwapBE16(X) (X) 249 #define SDL_SwapBE32(X) (X) 250 #define SDL_SwapBE64(X) (X) 251 #define SDL_SwapFloatBE(X) (X)
SDL_FORCE_INLINE Uint32 SDL_Swap32(Uint32 x)
#define SDL_static_cast(type, expression)
SDL_FORCE_INLINE Uint16 SDL_Swap16(Uint16 x)
SDL_FORCE_INLINE Uint64 SDL_Swap64(Uint64 x)
SDL_FORCE_INLINE float SDL_SwapFloat(float x)