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[Alexey Botchkov <holyfoot@xxxxxxxxxxxx>]

Thanks for the suggestions, Kristian.
I for some reason didn't notice that __builtin_bswap things.

Best regards.
HF


23.01.2014 19:51, Kristian Nielsen wrote:
> Kristian Nielsen <knielsen@xxxxxxxxxxxxxxx> writes:
>
> > Do it like this:
> > static inline ulonglong
> > mi_uint6korr(const void *p)
> > {
> >    uint32 a= *(uint32 *)p;
> >    uint16 b= *(uint16 *)(4+(char *)p);
> >    ulonglong v= ((ulonglong)a | ((ulonglong)b << 32)) << 16;
> >    asm ("bswapq %0" : "=r" (v) : "0" (v));
> >    return v;
> > }
> Note that GCC also has __builtin_bswap64() (and __builtin_bswap32()). They
> also generate bswap instruction, but would also work on other platforms...
>
>   - Kristian.