33 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
37 #ifndef __PRFCHWINTRIN_H
38 #define __PRFCHWINTRIN_H
39 static __inline__ void __attribute__((__always_inline__, __nodebug__))
40 _m_prefetch(
void *__P)
42 __builtin_prefetch (__P, 0, 3 );
54 #define SDL_LIL_ENDIAN 1234
55 #define SDL_BIG_ENDIAN 4321
61 #define SDL_BYTEORDER __BYTE_ORDER
62 #elif defined(__OpenBSD__)
64 #define SDL_BYTEORDER BYTE_ORDER
65 #elif defined(__FreeBSD__) || defined(__NetBSD__)
66 #include <sys/endian.h>
67 #define SDL_BYTEORDER BYTE_ORDER
69 #if defined(__hppa__) || \
70 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
71 (defined(__MIPS__) && defined(__MIPSEB__)) || \
72 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
74 #define SDL_BYTEORDER SDL_BIG_ENDIAN
76 #define SDL_BYTEORDER SDL_LIL_ENDIAN
93 #if defined(__GNUC__) || defined(__clang__)
94 # define HAS_BUILTIN_BSWAP16 (_SDL_HAS_BUILTIN(__builtin_bswap16)) || \
95 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
96 # define HAS_BUILTIN_BSWAP32 (_SDL_HAS_BUILTIN(__builtin_bswap32)) || \
97 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
98 # define HAS_BUILTIN_BSWAP64 (_SDL_HAS_BUILTIN(__builtin_bswap64)) || \
99 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
102 # define HAS_BROKEN_BSWAP (__GNUC__ == 2 && __GNUC_MINOR__ <= 95)
104 # define HAS_BUILTIN_BSWAP16 0
105 # define HAS_BUILTIN_BSWAP32 0
106 # define HAS_BUILTIN_BSWAP64 0
107 # define HAS_BROKEN_BSWAP 0
110 #if HAS_BUILTIN_BSWAP16
111 #define SDL_Swap16(x) __builtin_bswap16(x)
112 #elif defined(_MSC_VER) && (_MSC_VER >= 1400)
113 #pragma intrinsic(_byteswap_ushort)
114 #define SDL_Swap16(x) _byteswap_ushort(x)
115 #elif defined(__i386__) && !HAS_BROKEN_BSWAP
119 __asm__(
"xchgb %b0,%h0":
"=q"(x):
"0"(x));
122 #elif defined(__x86_64__)
126 __asm__(
"xchgb %b0,%h0":
"=Q"(x):
"0"(x));
129 #elif (defined(__powerpc__) || defined(__ppc__))
135 __asm__(
"rlwimi %0,%2,8,16,23":
"=&r"(result):
"0"(x >> 8),
"r"(x));
138 #elif (defined(__m68k__) && !defined(__mcoldfire__))
142 __asm__(
"rorw #8,%0":
"=d"(x):
"0"(x):
"cc");
145 #elif defined(__WATCOMC__) && defined(__386__)
147 #pragma aux SDL_Swap16 = \
159 #if HAS_BUILTIN_BSWAP32
160 #define SDL_Swap32(x) __builtin_bswap32(x)
161 #elif defined(_MSC_VER) && (_MSC_VER >= 1400)
162 #pragma intrinsic(_byteswap_ulong)
163 #define SDL_Swap32(x) _byteswap_ulong(x)
164 #elif defined(__i386__) && !HAS_BROKEN_BSWAP
168 __asm__(
"bswap %0":
"=r"(x):
"0"(x));
171 #elif defined(__x86_64__)
175 __asm__(
"bswapl %0":
"=r"(x):
"0"(x));
178 #elif (defined(__powerpc__) || defined(__ppc__))
184 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(result):
"0" (x>>24),
"r"(x));
185 __asm__(
"rlwimi %0,%2,8,8,15" :
"=&r"(result):
"0" (result),
"r"(x));
186 __asm__(
"rlwimi %0,%2,24,0,7" :
"=&r"(result):
"0" (result),
"r"(x));
189 #elif (defined(__m68k__) && !defined(__mcoldfire__))
193 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(x):
"0"(x):
"cc");
196 #elif defined(__WATCOMC__) && defined(__386__)
198 #pragma aux SDL_Swap32 = \
207 ((x >> 8) & 0x0000FF00) | (x >> 24)));
211 #if HAS_BUILTIN_BSWAP64
212 #define SDL_Swap64(x) __builtin_bswap64(x)
213 #elif defined(_MSC_VER) && (_MSC_VER >= 1400)
214 #pragma intrinsic(_byteswap_uint64)
215 #define SDL_Swap64(x) _byteswap_uint64(x)
216 #elif defined(__i386__) && !HAS_BROKEN_BSWAP
227 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1"
228 :
"=r"(v.s.a),
"=r"(v.s.b)
229 :
"0" (v.s.a),
"1"(v.s.b));
232 #elif defined(__x86_64__)
236 __asm__(
"bswapq %0":
"=r"(x):
"0"(x));
239 #elif defined(__WATCOMC__) && defined(__386__)
241 #pragma aux SDL_Swap64 = \
278 #undef HAS_BROKEN_BSWAP
279 #undef HAS_BUILTIN_BSWAP16
280 #undef HAS_BUILTIN_BSWAP32
281 #undef HAS_BUILTIN_BSWAP64
288 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
289 #define SDL_SwapLE16(X) (X)
290 #define SDL_SwapLE32(X) (X)
291 #define SDL_SwapLE64(X) (X)
292 #define SDL_SwapFloatLE(X) (X)
293 #define SDL_SwapBE16(X) SDL_Swap16(X)
294 #define SDL_SwapBE32(X) SDL_Swap32(X)
295 #define SDL_SwapBE64(X) SDL_Swap64(X)
296 #define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
298 #define SDL_SwapLE16(X) SDL_Swap16(X)
299 #define SDL_SwapLE32(X) SDL_Swap32(X)
300 #define SDL_SwapLE64(X) SDL_Swap64(X)
301 #define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
302 #define SDL_SwapBE16(X) (X)
303 #define SDL_SwapBE32(X) (X)
304 #define SDL_SwapBE64(X) (X)
305 #define SDL_SwapFloatBE(X) (X)
SDL_FORCE_INLINE Uint32 SDL_Swap32(Uint32 x)
SDL_FORCE_INLINE Uint16 SDL_Swap16(Uint16 x)
SDL_FORCE_INLINE float SDL_SwapFloat(float x)
SDL_FORCE_INLINE Uint64 SDL_Swap64(Uint64 x)
#define SDL_static_cast(type, expression)