Overview
| Comment: | Add OF_BSWAP{16,32,64}_CONST[_IF_{BE,LE}]. |
|---|---|
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| SHA3-256: |
68fb0166a70499b7ae6840fa7ae12a82 |
| User & Date: | js on 2009-11-29 01:59:30 |
| Other Links: | manifest | tags |
Context
|
2009-11-29
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| 02:33 | Add ARMv6 inline assembly. Tested on iPhone. check-in: e5d734d1a7 user: js tags: trunk | |
| 01:59 | Add OF_BSWAP{16,32,64}_CONST[_IF_{BE,LE}]. check-in: 68fb0166a7 user: js tags: trunk | |
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2009-11-28
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| 20:48 | Add -[removeObject:] and -[removeObjectIdenticalTo:] to OFMutableArray. check-in: bd9f5d90ae user: js tags: trunk | |
Changes
Modified src/OFMacros.h from [bbd07aebab] to [f063d53bfe].
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#elif defined(__i386__)
#define OF_X86_ASM
#elif defined(__ppc__) || defined(__PPC__)
#define OF_PPC_ASM
#endif
#endif
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));
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#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) \
(((uint32_t)i & UINT32_C(0xFF000000)) >> 24 | \
((uint32_t)i & UINT32_C(0x00FF0000)) >> 8 | \
((uint32_t)i & UINT32_C(0x0000FF00)) << 8 | \
((uint32_t)i & UINT32_C(0x000000FF)) << 24)
#define OF_BSWAP64_CONST(i) \
(((uint64_t)i & UINT64_C(0xFF00000000000000)) >> 56 | \
((uint64_t)i & UINT64_C(0x00FF000000000000)) >> 40 | \
((uint64_t)i & UINT64_C(0x0000FF0000000000)) >> 24 | \
((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));
|
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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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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_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_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)
#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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