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*/
#ifndef OF_CONFIGURED
#error You are missing the ObjFW definitions!
#error Please use objfw-config!
#endif
#include <stdint.h>
#ifdef __GNUC__
#define OF_INLINE inline __attribute__((always_inline))
#define OF_LIKELY(cond) __builtin_expect(!!(cond), 1)
#define OF_UNLIKELY(cond) __builtin_expect(!!(cond), 0)
#else
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*/
#ifndef OF_CONFIGURED
#error You are missing the ObjFW definitions!
#error Please use objfw-config!
#endif
#include <stddef.h>
#include <stdint.h>
#ifdef __GNUC__
#define OF_INLINE inline __attribute__((always_inline))
#define OF_LIKELY(cond) __builtin_expect(!!(cond), 1)
#define OF_UNLIKELY(cond) __builtin_expect(!!(cond), 0)
#else
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#ifdef __GNUC__
#if defined(__amd64__) || defined(__x86_64__)
#define OF_AMD64_ASM
#elif defined(__i386__)
#define OF_X86_ASM
#elif defined(__ppc__) || defined(__PPC__)
#define OF_PPC_ASM
#endif
#endif
#define OF_BSWAP16_CONST(i) \
(((uint16_t)i & UINT16_C(0xFF00)) >> 8 | \
((uint16_t)i & UINT16_C(0x00FF)) << 8)
#define OF_BSWAP32_CONST(i) \
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#ifdef __GNUC__
#if defined(__amd64__) || defined(__x86_64__)
#define OF_AMD64_ASM
#elif defined(__i386__)
#define OF_X86_ASM
#elif defined(__ppc__) || defined(__PPC__)
#define OF_PPC_ASM
#elif defined(__arm__) || defined(__ARM__)
#define OF_ARM_ASM
#endif
#endif
#define OF_BSWAP16_CONST(i) \
(((uint16_t)i & UINT16_C(0xFF00)) >> 8 | \
((uint16_t)i & UINT16_C(0x00FF)) << 8)
#define OF_BSWAP32_CONST(i) \
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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));
#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));
#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;
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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;
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