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((uint64_t)i & UINT64_C(0x000000FF00000000)) >> 8 | \
((uint64_t)i & UINT64_C(0x00000000FF000000)) << 8 | \
((uint64_t)i & UINT64_C(0x0000000000FF0000)) << 24 | \
((uint64_t)i & UINT64_C(0x000000000000FF00)) << 40 | \
((uint64_t)i & UINT64_C(0x00000000000000FF)) << 56)
static OF_INLINE uint16_t
OF_BSWAP16(uint16_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
asm("xchgb %h0, %b0" : "=Q"(i) : "Q"(i));
#elif defined(OF_PPC_ASM)
asm("lhbrx %0, 0, %1" : "=r"(i) : "r"(&i), "m"(i));
#elif defined(OF_ARM_ASM)
asm("rev16 %0, %0" : "=r"(i) : "0"(i));
#else
i = (i & UINT16_C(0xFF00)) >> 8 |
(i & UINT16_C(0x00FF)) << 8;
#endif
return i;
}
static OF_INLINE uint32_t
OF_BSWAP32(uint32_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
asm("bswap %0" : "=q"(i) : "q"(i));
#elif defined(OF_PPC_ASM)
asm("lwbrx %0, 0, %1" : "=r"(i) : "r"(&i), "m"(i));
#elif defined(OF_ARM_ASM)
asm("rev %0, %0" : "=r"(i) : "0"(i));
#else
i = (i & UINT32_C(0xFF000000)) >> 24 |
(i & UINT32_C(0x00FF0000)) >> 8 |
(i & UINT32_C(0x0000FF00)) << 8 |
(i & UINT32_C(0x000000FF)) << 24;
#endif
return i;
}
static OF_INLINE uint64_t
OF_BSWAP64(uint64_t i)
{
#if defined(OF_AMD64_ASM)
asm("bswap %0" : "=r"(i) : "r"(i));
#elif defined(OF_X86_ASM)
asm("bswap %%eax\n\t"
"bswap %%edx\n\t"
"xchgl %%eax, %%edx" : "=A"(i): "A"(i));
#else
i = (uint64_t)OF_BSWAP32(i & 0xFFFFFFFF) << 32 | OF_BSWAP32(i >> 32);
#endif
return i;
}
static OF_INLINE void
OF_BSWAP32_V(uint32_t *buf, size_t len)
{
while (len--) {
*buf = OF_BSWAP32(*buf);
buf++;
}
}
#ifdef OF_BIG_ENDIAN
#define OF_BSWAP16_CONST_IF_BE(i) OF_BSWAP16_CONST(i)
#define OF_BSWAP32_CONST_IF_BE(i) OF_BSWAP32_CONST(i)
#define OF_BSWAP64_CONST_IF_BE(i) OF_BSWAP64_CONST(i)
#define OF_BSWAP16_CONST_IF_LE(i) i
#define OF_BSWAP32_CONST_IF_LE(i) i
#define OF_BSWAP64_CONST_IF_LE(i) i
#define OF_BSWAP16_CONST_IF_BE(i) i
#define OF_BSWAP32_CONST_IF_BE(i) i
#define OF_BSWAP64_CONST_IF_BE(i) i
#define OF_BSWAP16_CONST_IF_LE(i) OF_BSWAP16_CONST(i)
#define OF_BSWAP32_CONST_IF_LE(i) OF_BSWAP32_CONST(i)
#define OF_BSWAP64_CONST_IF_LE(i) OF_BSWAP64_CONST(i)
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((uint64_t)i & UINT64_C(0x000000FF00000000)) >> 8 | \
((uint64_t)i & UINT64_C(0x00000000FF000000)) << 8 | \
((uint64_t)i & UINT64_C(0x0000000000FF0000)) << 24 | \
((uint64_t)i & UINT64_C(0x000000000000FF00)) << 40 | \
((uint64_t)i & UINT64_C(0x00000000000000FF)) << 56)
static OF_INLINE uint16_t
OF_BSWAP16_NONCONST(uint16_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
asm("xchgb %h0, %b0" : "=Q"(i) : "Q"(i));
#elif defined(OF_PPC_ASM)
asm("lhbrx %0, 0, %1" : "=r"(i) : "r"(&i), "m"(i));
#elif defined(OF_ARM_ASM)
asm("rev16 %0, %0" : "=r"(i) : "0"(i));
#else
i = (i & UINT16_C(0xFF00)) >> 8 |
(i & UINT16_C(0x00FF)) << 8;
#endif
return i;
}
static OF_INLINE uint32_t
OF_BSWAP32_NONCONST(uint32_t i)
{
#if defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
asm("bswap %0" : "=q"(i) : "q"(i));
#elif defined(OF_PPC_ASM)
asm("lwbrx %0, 0, %1" : "=r"(i) : "r"(&i), "m"(i));
#elif defined(OF_ARM_ASM)
asm("rev %0, %0" : "=r"(i) : "0"(i));
#else
i = (i & UINT32_C(0xFF000000)) >> 24 |
(i & UINT32_C(0x00FF0000)) >> 8 |
(i & UINT32_C(0x0000FF00)) << 8 |
(i & UINT32_C(0x000000FF)) << 24;
#endif
return i;
}
static OF_INLINE uint64_t
OF_BSWAP64_NONCONST(uint64_t i)
{
#if defined(OF_AMD64_ASM)
asm("bswap %0" : "=r"(i) : "r"(i));
#elif defined(OF_X86_ASM)
asm("bswap %%eax\n\t"
"bswap %%edx\n\t"
"xchgl %%eax, %%edx" : "=A"(i): "A"(i));
#else
i = (uint64_t)OF_BSWAP32(i & 0xFFFFFFFF) << 32 | OF_BSWAP32(i >> 32);
#endif
return i;
}
#ifdef __GNUC__
#define OF_BSWAP16(i) \
(__builtin_constant_p(i) ? OF_BSWAP16_CONST(i) : OF_BSWAP16_NONCONST(i))
#define OF_BSWAP32(i) \
(__builtin_constant_p(i) ? OF_BSWAP32_CONST(i) : OF_BSWAP32_NONCONST(i))
#define OF_BSWAP64(i) \
(__builtin_constant_p(i) ? OF_BSWAP64_CONST(i) : OF_BSWAP64_NONCONST(i))
#else
#define OF_BSWAP16(i) OF_BSWAP16_CONST(i)
#define OF_BSWAP32(i) OF_BSWAP32_CONST(i)
#define OF_BSWAP64(i) OF_BSWAP64_CONST(i)
#endif
static OF_INLINE void
OF_BSWAP32_V(uint32_t *buf, size_t len)
{
while (len--) {
*buf = OF_BSWAP32(*buf);
buf++;
}
}
#ifdef OF_BIG_ENDIAN
#define OF_BSWAP16_IF_BE(i) OF_BSWAP16(i)
#define OF_BSWAP32_IF_BE(i) OF_BSWAP32(i)
#define OF_BSWAP64_IF_BE(i) OF_BSWAP64(i)
#define OF_BSWAP16_IF_LE(i) i
#define OF_BSWAP32_IF_LE(i) i
#define OF_BSWAP64_IF_LE(i) i
#define OF_BSWAP32_V_IF_BE(buf, len) OF_BSWAP32_V(buf, len)
#else
#define OF_BSWAP16_IF_BE(i) i
#define OF_BSWAP32_IF_BE(i) i
#define OF_BSWAP64_IF_BE(i) i
#define OF_BSWAP16_IF_LE(i) OF_BSWAP16(i)
#define OF_BSWAP32_IF_LE(i) OF_BSWAP32(i)
#define OF_BSWAP64_IF_LE(i) OF_BSWAP64(i)
#define OF_BSWAP32_V_IF_BE(buf, len)
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