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37 #define SDL_LIL_ENDIAN 1234
38 #define SDL_BIG_ENDIAN 4321
44 #define SDL_BYTEORDER __BYTE_ORDER
46 #if defined(__hppa__) || \
47 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
48 (defined(__MIPS__) && defined(__MISPEB__)) || \
49 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
51 #define SDL_BYTEORDER SDL_BIG_ENDIAN
53 #define SDL_BYTEORDER SDL_LIL_ENDIAN
68 #if defined(__GNUC__) && defined(__i386__) && \
69 !(__GNUC__ == 2 && __GNUC_MINOR__ == 95 )
73 __asm__(
"xchgb %b0,%h0":
"=q"(
x):
"0"(
x));
76 #elif defined(__GNUC__) && defined(__x86_64__)
80 __asm__(
"xchgb %b0,%h0":
"=Q"(
x):
"0"(
x));
83 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
89 __asm__(
"rlwimi %0,%2,8,16,23":
"=&r"(
result):
"0"(
x >> 8),
"r"(
x));
92 #elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)
96 __asm__(
"rorw #8,%0":
"=d"(
x):
"0"(
x):
"cc");
99 #elif defined(__WATCOMC__) && defined(__386__)
101 #pragma aux SDL_Swap16 = \
113 #if defined(__GNUC__) && defined(__i386__)
117 __asm__(
"bswap %0":
"=r"(
x):
"0"(
x));
120 #elif defined(__GNUC__) && defined(__x86_64__)
124 __asm__(
"bswapl %0":
"=r"(
x):
"0"(
x));
127 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
133 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(
result):
"0"(
x >> 24),
"r"(
x));
134 __asm__(
"rlwimi %0,%2,8,8,15":
"=&r"(
result):
"0"(
result),
"r"(
x));
135 __asm__(
"rlwimi %0,%2,24,0,7":
"=&r"(
result):
"0"(
result),
"r"(
x));
138 #elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__)
142 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(
x):
"0"(
x):
"cc");
145 #elif defined(__WATCOMC__) && defined(__386__)
148 #pragma aux SDL_Swap32 = \
153 #pragma aux SDL_Swap32 = \
165 ((
x >> 8) & 0x0000FF00) | (
x >> 24)));
169 #if defined(__GNUC__) && defined(__i386__)
182 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1":
"=r"(
v.s.a),
"=r"(
v.s.b):
"0"(
v.s.a),
187 #elif defined(__GNUC__) && defined(__x86_64__)
191 __asm__(
"bswapq %0":
"=r"(
x):
"0"(
x));
231 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
232 #define SDL_SwapLE16(X) (X)
233 #define SDL_SwapLE32(X) (X)
234 #define SDL_SwapLE64(X) (X)
235 #define SDL_SwapFloatLE(X) (X)
236 #define SDL_SwapBE16(X) SDL_Swap16(X)
237 #define SDL_SwapBE32(X) SDL_Swap32(X)
238 #define SDL_SwapBE64(X) SDL_Swap64(X)
239 #define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
241 #define SDL_SwapLE16(X) SDL_Swap16(X)
242 #define SDL_SwapLE32(X) SDL_Swap32(X)
243 #define SDL_SwapLE64(X) SDL_Swap64(X)
244 #define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
245 #define SDL_SwapBE16(X) (X)
246 #define SDL_SwapBE32(X) (X)
247 #define SDL_SwapBE64(X) (X)
248 #define SDL_SwapFloatBE(X) (X)
#define SDL_static_cast(type, expression)
SDL_FORCE_INLINE Uint64 SDL_Swap64(Uint64 x)
GLboolean GLboolean GLboolean b
SDL_FORCE_INLINE Uint16 SDL_Swap16(Uint16 x)
GLboolean GLboolean GLboolean GLboolean a
GLint GLint GLint GLint GLint x
SDL_FORCE_INLINE Uint32 SDL_Swap32(Uint32 x)
SDL_FORCE_INLINE float SDL_SwapFloat(float x)