14 inline static unsigned short ByteSwap16(unsigned short x)
16 __asm("xchgb %b0,%h0" :
21 #define bswap_16(x) ByteSwap16(x)
23 inline static unsigned int ByteSwap32(unsigned int x)
29 __asm("xchgb %b0,%h0\n"
37 #define bswap_32(x) ByteSwap32(x)
39 inline static unsigned long long int ByteSwap64(unsigned long long int x)
41 register union { __extension__ uint64_t __ll;
42 uint32_t __l[2]; } __x;
44 "=r"(__x.__l[0]),"=r"(__x.__l[1]):
45 "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32))));
48 #define bswap_64(x) ByteSwap64(x)
50 #elif defined(ARCH_SH4)
52 static inline uint16_t ByteSwap16(uint16_t x) {
53 __asm__("swap.b %0,%0":"=r"(x):"0"(x));
57 static inline uint32_t ByteSwap32(uint32_t x) {
66 #define bswap_16(x) ByteSwap16(x)
67 #define bswap_32(x) ByteSwap32(x)
69 inline static uint64_t ByteSwap64(uint64_t x)
78 r.l.h = bswap_32 (x>>32);
81 #define bswap_64(x) ByteSwap64(x)
85 #define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
88 // code from bits/byteswap.h (C) 1997, 1998 Free Software Foundation, Inc.
90 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
91 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
93 inline static uint64_t ByteSwap64(uint64_t x)
100 r.l[0] = bswap_32 (w.l[1]);
101 r.l[1] = bswap_32 (w.l[0]);
104 #define bswap_64(x) ByteSwap64(x)
106 #endif /* !ARCH_X86 */
108 #endif /* !HAVE_BYTESWAP_H */
110 // be2me ... BigEndian to MachineEndian
111 // le2me ... LittleEndian to MachineEndian
113 #ifdef WORDS_BIGENDIAN
114 #define be2me_16(x) (x)
115 #define be2me_32(x) (x)
116 #define be2me_64(x) (x)
117 #define le2me_16(x) bswap_16(x)
118 #define le2me_32(x) bswap_32(x)
119 #define le2me_64(x) bswap_64(x)
121 #define be2me_16(x) bswap_16(x)
122 #define be2me_32(x) bswap_32(x)
123 #define be2me_64(x) bswap_64(x)
124 #define le2me_16(x) (x)
125 #define le2me_32(x) (x)
126 #define le2me_64(x) (x)
129 #endif /* __BSWAP_H__ */