> Brian Gerst <bgerst@quark.vpplus.com> said:
> > Using movw with the segment registers, while logically correct, causes
> > gas to produce size prefix opcodes. Since the segment registers are
> > always 16-bit, these prefixes are redundant. Using movl tricks gas into
> > not producing them.
Strictly speaking, the prefix is only redundant when moving *to* a segment
register.
> Which versions of gas have that particular bug?
It was fixed in the Cygnus sources in June 1998.
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