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");
103 return SDL_static_cast(
Uint16, ((x << 8) | (x >> 8)));
107 #if defined(__GNUC__) && defined(__i386__) 111 __asm__(
"bswap %0":
"=r"(x):
"0"(x));
114 #elif defined(__GNUC__) && defined(__x86_64__) 118 __asm__(
"bswapl %0":
"=r"(x):
"0"(x));
121 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) 127 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(result):
"0"(x >> 24),
"r"(x));
128 __asm__(
"rlwimi %0,%2,8,8,15":
"=&r"(result):
"0"(result),
"r"(x));
129 __asm__(
"rlwimi %0,%2,24,0,7":
"=&r"(result):
"0"(result),
"r"(x));
132 #elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) 136 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(x):
"0"(x):
"cc");
143 return SDL_static_cast(
Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) |
144 ((x >> 8) & 0x0000FF00) | (x >> 24)));
148 #if defined(__GNUC__) && defined(__i386__) 161 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1":
"=r"(v.s.a),
"=r"(v.s.b):
"0"(v.s.a),
166 #elif defined(__GNUC__) && defined(__x86_64__) 170 __asm__(
"bswapq %0":
"=r"(x):
"0"(x));
180 lo = SDL_static_cast(
Uint32, x & 0xFFFFFFFF);
182 hi = SDL_static_cast(
Uint32, x & 0xFFFFFFFF);
191 SDL_FORCE_INLINE
float 192 SDL_SwapFloat(
float x)
200 swapper.ui32 = SDL_Swap32(swapper.ui32);
210 #if SDL_BYTEORDER == SDL_LIL_ENDIAN 211 #define SDL_SwapLE16(X) (X) 212 #define SDL_SwapLE32(X) (X) 213 #define SDL_SwapLE64(X) (X) 214 #define SDL_SwapFloatLE(X) (X) 215 #define SDL_SwapBE16(X) SDL_Swap16(X) 216 #define SDL_SwapBE32(X) SDL_Swap32(X) 217 #define SDL_SwapBE64(X) SDL_Swap64(X) 218 #define SDL_SwapFloatBE(X) SDL_SwapFloat(X) 220 #define SDL_SwapLE16(X) SDL_Swap16(X) 221 #define SDL_SwapLE32(X) SDL_Swap32(X) 222 #define SDL_SwapLE64(X) SDL_Swap64(X) 223 #define SDL_SwapFloatLE(X) SDL_SwapFloat(X) 224 #define SDL_SwapBE16(X) (X) 225 #define SDL_SwapBE32(X) (X) 226 #define SDL_SwapBE64(X) (X) 227 #define SDL_SwapFloatBE(X) (X) uint64_t Uint64
An unsigned 64-bit integer type.
Definition: SDL_stdinc.h:168
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:159
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:151