14
# define LEGACY_REGS "=Q"
16
# define LEGACY_REGS "=q"
19
#if defined(ARCH_X86) || defined(ARCH_X86_64)
20
static always_inline uint16_t bswap_16(uint16_t x)
28
static always_inline uint32_t bswap_32(uint32_t x)
34
__asm("xchgb %b0,%h0\n"
43
static inline uint64_t bswap_64(uint64_t x)
58
r.l.h = bswap_32 (x>>32);
63
#elif defined(ARCH_SH4)
65
static always_inline uint16_t bswap_16(uint16_t x) {
66
__asm__("swap.b %0,%0":"=r"(x):"0"(x));
70
static always_inline uint32_t bswap_32(uint32_t x) {
79
static inline uint64_t bswap_64(uint64_t x)
88
r.l.h = bswap_32 (x>>32);
93
static always_inline uint16_t bswap_16(uint16_t x){
94
return (x>>8) | (x<<8);
98
static always_inline uint32_t bswap_32(uint32_t x){
101
"eor %1, %0, %0, ror #16 \n\t"
102
"bic %1, %1, #0xFF0000 \n\t"
103
"mov %0, %0, ror #8 \n\t"
104
"eor %0, %0, %1, lsr #8 \n\t"
109
static always_inline uint32_t bswap_32(uint32_t x){
110
x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
111
return (x>>16) | (x<<16);
115
static inline uint64_t bswap_64(uint64_t x)
118
x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL);
119
x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL);
120
return (x>>32) | (x<<32);
127
r.l[0] = bswap_32 (w.l[1]);
128
r.l[1] = bswap_32 (w.l[0]);
132
#endif /* !ARCH_X86 */
134
#endif /* !HAVE_BYTESWAP_H */
136
// be2me ... BigEndian to MachineEndian
137
// le2me ... LittleEndian to MachineEndian
139
#ifdef WORDS_BIGENDIAN
140
#define be2me_16(x) (x)
141
#define be2me_32(x) (x)
142
#define be2me_64(x) (x)
143
#define le2me_16(x) bswap_16(x)
144
#define le2me_32(x) bswap_32(x)
145
#define le2me_64(x) bswap_64(x)
147
#define be2me_16(x) bswap_16(x)
148
#define be2me_32(x) bswap_32(x)
149
#define be2me_64(x) bswap_64(x)
150
#define le2me_16(x) (x)
151
#define le2me_32(x) (x)
152
#define le2me_64(x) (x)
155
#endif /* __BSWAP_H__ */