38 #ifndef __PRFCHWINTRIN_H
39 #define __PRFCHWINTRIN_H
41 static __inline__ void __attribute__((__always_inline__, __nodebug__))
42 _m_prefetch(
void *__P)
44 __builtin_prefetch (__P, 0, 3 );
57 #define SDL_LIL_ENDIAN 1234
58 #define SDL_BIG_ENDIAN 4321
64 #define SDL_BYTEORDER __BYTE_ORDER
65 #elif defined(__OpenBSD__)
67 #define SDL_BYTEORDER BYTE_ORDER
68 #elif defined(__FreeBSD__) || defined(__NetBSD__)
69 #include <sys/endian.h>
70 #define SDL_BYTEORDER BYTE_ORDER
72 #if defined(__hppa__) || \
73 defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
74 (defined(__MIPS__) && defined(__MIPSEB__)) || \
75 defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
77 #define SDL_BYTEORDER SDL_BIG_ENDIAN
79 #define SDL_BYTEORDER SDL_LIL_ENDIAN
94 #if (defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 2))) || \
95 (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
96 #define SDL_Swap16(x) __builtin_bswap16(x)
97 #elif defined(__GNUC__) && defined(__i386__) && \
98 !(__GNUC__ == 2 && __GNUC_MINOR__ <= 95 )
102 __asm__(
"xchgb %b0,%h0":
"=q"(x):
"0"(x));
105 #elif defined(__GNUC__) && defined(__x86_64__)
109 __asm__(
"xchgb %b0,%h0":
"=Q"(x):
"0"(x));
112 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
118 __asm__(
"rlwimi %0,%2,8,16,23":
"=&r"(result):
"0"(x >> 8),
"r"(x));
121 #elif defined(__GNUC__) && defined(__aarch64__)
125 __asm__(
"rev16 %w1, %w0" :
"=r"(x) :
"r"(x));
128 #elif defined(__GNUC__) && (defined(__m68k__) && !defined(__mcoldfire__))
132 __asm__(
"rorw #8,%0":
"=d"(x):
"0"(x):
"cc");
135 #elif defined(_MSC_VER)
136 #pragma intrinsic(_byteswap_ushort)
137 #define SDL_Swap16(x) _byteswap_ushort(x)
138 #elif defined(__WATCOMC__) && defined(__386__)
140 #pragma aux SDL_Swap16 = \
152 #if (defined(__clang__) && (__clang_major__ > 2 || (__clang_major__ == 2 && __clang_minor__ >= 6))) || \
153 (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
154 #define SDL_Swap32(x) __builtin_bswap32(x)
155 #elif defined(__GNUC__) && defined(__i386__) && \
156 !(__GNUC__ == 2 && __GNUC_MINOR__ <= 95 )
160 __asm__(
"bswap %0":
"=r"(x):
"0"(x));
163 #elif defined(__GNUC__) && defined(__x86_64__)
167 __asm__(
"bswapl %0":
"=r"(x):
"0"(x));
170 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
176 __asm__(
"rlwimi %0,%2,24,16,23":
"=&r"(result):
"0" (x>>24),
"r"(x));
177 __asm__(
"rlwimi %0,%2,8,8,15" :
"=&r"(result):
"0" (result),
"r"(x));
178 __asm__(
"rlwimi %0,%2,24,0,7" :
"=&r"(result):
"0" (result),
"r"(x));
181 #elif defined(__GNUC__) && defined(__aarch64__)
185 __asm__(
"rev %w1, %w0":
"=r"(x):
"r"(x));
188 #elif defined(__GNUC__) && (defined(__m68k__) && !defined(__mcoldfire__))
192 __asm__(
"rorw #8,%0\n\tswap %0\n\trorw #8,%0":
"=d"(x):
"0"(x):
"cc");
195 #elif defined(__WATCOMC__) && defined(__386__)
197 #pragma aux SDL_Swap32 = \
201 #elif defined(_MSC_VER)
202 #pragma intrinsic(_byteswap_ulong)
203 #define SDL_Swap32(x) _byteswap_ulong(x)
209 ((x >> 8) & 0x0000FF00) | (x >> 24)));
213 #if (defined(__clang__) && (__clang_major__ > 2 || (__clang_major__ == 2 && __clang_minor__ >= 6))) || \
214 (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
215 #define SDL_Swap64(x) __builtin_bswap64(x)
216 #elif defined(__GNUC__) && defined(__i386__) && \
217 !(__GNUC__ == 2 && __GNUC_MINOR__ <= 95 )
228 __asm__(
"bswapl %0 ; bswapl %1 ; xchgl %0,%1"
229 :
"=r"(v.s.a),
"=r"(v.s.b)
230 :
"0" (v.s.a),
"1"(v.s.b));
233 #elif defined(__GNUC__) && defined(__x86_64__)
237 __asm__(
"bswapq %0":
"=r"(x):
"0"(x));
240 #elif defined(__WATCOMC__) && defined(__386__)
242 #pragma aux SDL_Swap64 = \
248 #elif defined(_MSC_VER)
249 #pragma intrinsic(_byteswap_uint64)
250 #define SDL_Swap64(x) _byteswap_uint64(x)
287 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
288 #define SDL_SwapLE16(X) (X)
289 #define SDL_SwapLE32(X) (X)
290 #define SDL_SwapLE64(X) (X)
291 #define SDL_SwapFloatLE(X) (X)
292 #define SDL_SwapBE16(X) SDL_Swap16(X)
293 #define SDL_SwapBE32(X) SDL_Swap32(X)
294 #define SDL_SwapBE64(X) SDL_Swap64(X)
295 #define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
297 #define SDL_SwapLE16(X) SDL_Swap16(X)
298 #define SDL_SwapLE32(X) SDL_Swap32(X)
299 #define SDL_SwapLE64(X) SDL_Swap64(X)
300 #define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
301 #define SDL_SwapBE16(X) (X)
302 #define SDL_SwapBE32(X) (X)
303 #define SDL_SwapBE64(X) (X)
304 #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)