Differences From Artifact [63162e95ce]:
- File src/OFMacros.h — part of check-in [37e9b7c11c] at 2009-08-30 20:06:15 on branch trunk — Add some PowerPC assembly optimizations. (user: js, size: 3310) [annotate] [blame] [check-ins using]
To Artifact [830442e230]:
- File
src/OFMacros.h
— part of check-in
[2ff4ae177d]
at
2009-08-31 00:19:41
on branch trunk
— Optimize OF_BSWAP64.
If we have a native OF_BSWAP32, it is still faster to shift and use
OF_BSWAP32 twice rather than having our own OF_BSWAP64. If we don't
have OF_BSWAP32 either, this generates exactly the same code as it did
before, but is much shorter. (user: js, size: 2998) [annotate] [blame] [check-ins using]
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#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
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#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)
{
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