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SubjectRe: Intel vs AMD64

> >Yes, "implementation specific" is one of the differences between
> >IA-32e
> >and AMD64, i.e. that behavior is architecturally defined on AMD64,
> >but
> >on IA-32e (as I posted):
> > Near branch with 66H prefix:
> > As documented in PRM the behavior is implementation specific and
> >should
> > avoid using 66H prefix on near branches.
> In other words, Intel's implementation deviates from the architecture
> as defined by AMD. So it's not 100% compatible. I just want this
> point to be clear.
> If these sorts of branches are common enough (and I suspect they
> are), then this sort of deviation could have a notable code-size (and

They are not.
64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

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