33#if defined(_MSC_VER) && (_MSC_VER >= 1400)
37#ifndef __PRFCHWINTRIN_H
38#define __PRFCHWINTRIN_H
39static __inline__ void __attribute__((__always_inline__, __nodebug__))
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(__sun) && defined(__SVR4)
63#include <sys/byteorder.h>
64#if defined(_LITTLE_ENDIAN)
65#define SDL_BYTEORDER SDL_LIL_ENDIAN
66#elif defined(_BIG_ENDIAN)
67#define SDL_BYTEORDER SDL_BIG_ENDIAN
69#error Unsupported endianness
71#elif defined(__OpenBSD__) || defined(__DragonFly__)
73#define SDL_BYTEORDER BYTE_ORDER
74#elif defined(__FreeBSD__) || defined(__NetBSD__)
75#include <sys/endian.h>
76#define SDL_BYTEORDER BYTE_ORDER
78#elif defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_BIG_ENDIAN__) && defined(__BYTE_ORDER__)
79#if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
80#define SDL_BYTEORDER SDL_LIL_ENDIAN
81#elif (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
82#define SDL_BYTEORDER SDL_BIG_ENDIAN
84#error Unsupported endianness
87#if defined(__hppa__) || \
88 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
89 (defined(__MIPS__) && defined(__MIPSEB__)) || \
90 defined(__ppc__) || defined(__POWERPC__) || defined(__powerpc__) || defined(__PPC__) || \
91 defined(__sparc__) || defined(__sparc)
92#define SDL_BYTEORDER SDL_BIG_ENDIAN
94#define SDL_BYTEORDER SDL_LIL_ENDIAN
99#ifndef SDL_FLOATWORDORDER
101#if defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_BIG_ENDIAN__) && defined(__FLOAT_WORD_ORDER__)
102#if (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__)
103#define SDL_FLOATWORDORDER SDL_LIL_ENDIAN
104#elif (__FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__)
105#define SDL_FLOATWORDORDER SDL_BIG_ENDIAN
107#error Unsupported endianness
109#elif defined(__MAVERICK__)
111#define SDL_FLOATWORDORDER SDL_LIL_ENDIAN
112#elif (defined(__arm__) || defined(__thumb__)) && !defined(__VFP_FP__) && !defined(__ARM_EABI__)
114#define SDL_FLOATWORDORDER SDL_BIG_ENDIAN
117#define SDL_FLOATWORDORDER SDL_BYTEORDER
133#if defined(__GNUC__) || defined(__clang__)
134# define HAS_BUILTIN_BSWAP16 (_SDL_HAS_BUILTIN(__builtin_bswap16)) || \
135 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
136# define HAS_BUILTIN_BSWAP32 (_SDL_HAS_BUILTIN(__builtin_bswap32)) || \
137 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
138# define HAS_BUILTIN_BSWAP64 (_SDL_HAS_BUILTIN(__builtin_bswap64)) || \
139 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
142# define HAS_BROKEN_BSWAP (__GNUC__ == 2 && __GNUC_MINOR__ <= 95)
144# define HAS_BUILTIN_BSWAP16 0
145# define HAS_BUILTIN_BSWAP32 0
146# define HAS_BUILTIN_BSWAP64 0
147# define HAS_BROKEN_BSWAP 0
150#if HAS_BUILTIN_BSWAP16
151#define SDL_Swap16(x) __builtin_bswap16(x)
152#elif (defined(_MSC_VER) && (_MSC_VER >= 1400)) && !defined(__ICL)
153#pragma intrinsic(_byteswap_ushort)
154#define SDL_Swap16(x) _byteswap_ushort(x)
155#elif defined(__i386__) && !HAS_BROKEN_BSWAP
159 __asm__(
"xchgb %b0,%h0":
"=q"(x):
"0"(x));
162#elif defined(__x86_64__)
166 __asm__(
"xchgb %b0,%h0":
"=Q"(x):
"0"(x));
169#elif (defined(__powerpc__) || defined(__ppc__))
175 __asm__(
"rlwimi %0,%2,8,16,23":
"=&r"(result):
"0"(x >> 8),
"r"(x));
178#elif (defined(__m68k__) && !defined(__mcoldfire__))
182 __asm__(
"rorw #8,%0":
"=d"(x):
"0"(x):
"cc");
185#elif defined(__WATCOMC__) && defined(__386__)
187#pragma aux SDL_Swap16 = \
209#if HAS_BUILTIN_BSWAP32
210#define SDL_Swap32(x) __builtin_bswap32(x)
211#elif (defined(_MSC_VER) && (_MSC_VER >= 1400)) && !defined(__ICL)
212#pragma intrinsic(_byteswap_ulong)
213#define SDL_Swap32(x) _byteswap_ulong(x)
214#elif defined(__i386__) && !HAS_BROKEN_BSWAP
218 __asm__(
"bswap %0":
"=r"(x):
"0"(x));
221#elif defined(__x86_64__)
225 __asm__(
"bswapl %0":
"=r"(x):
"0"(x));
228#elif (defined(__powerpc__) || defined(__ppc__))
234 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(result):
"0" (x>>24),
"r"(x));
235 __asm__(
"rlwimi %0,%2,8,8,15" :
"=&r"(result):
"0" (result),
"r"(x));
236 __asm__(
"rlwimi %0,%2,24,0,7" :
"=&r"(result):
"0" (result),
"r"(x));
239#elif (defined(__m68k__) && !defined(__mcoldfire__))
243 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(x):
"0"(x):
"cc");
246#elif defined(__WATCOMC__) && defined(__386__)
248#pragma aux SDL_Swap32 = \
267 ((x >> 8) & 0x0000FF00) | (x >> 24)));
271#if HAS_BUILTIN_BSWAP64
272#define SDL_Swap64(x) __builtin_bswap64(x)
273#elif (defined(_MSC_VER) && (_MSC_VER >= 1400)) && !defined(__ICL)
274#pragma intrinsic(_byteswap_uint64)
275#define SDL_Swap64(x) _byteswap_uint64(x)
276#elif defined(__i386__) && !HAS_BROKEN_BSWAP
287 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1"
288 :
"=r"(v.s.a),
"=r"(v.s.b)
289 :
"0" (v.s.a),
"1"(v.s.b));
292#elif defined(__x86_64__)
296 __asm__(
"bswapq %0":
"=r"(x):
"0"(x));
299#elif defined(__WATCOMC__) && defined(__386__)
301#pragma aux SDL_Swap64 = \
357#undef HAS_BROKEN_BSWAP
358#undef HAS_BUILTIN_BSWAP16
359#undef HAS_BUILTIN_BSWAP32
360#undef HAS_BUILTIN_BSWAP64
367#if SDL_BYTEORDER == SDL_LIL_ENDIAN
368#define SDL_SwapLE16(X) (X)
369#define SDL_SwapLE32(X) (X)
370#define SDL_SwapLE64(X) (X)
371#define SDL_SwapFloatLE(X) (X)
372#define SDL_SwapBE16(X) SDL_Swap16(X)
373#define SDL_SwapBE32(X) SDL_Swap32(X)
374#define SDL_SwapBE64(X) SDL_Swap64(X)
375#define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
377#define SDL_SwapLE16(X) SDL_Swap16(X)
378#define SDL_SwapLE32(X) SDL_Swap32(X)
379#define SDL_SwapLE64(X) SDL_Swap64(X)
380#define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
381#define SDL_SwapBE16(X) (X)
382#define SDL_SwapBE32(X) (X)
383#define SDL_SwapBE64(X) (X)
384#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)