Re: 2.1.97 system.h fix (more clear)
Alan Modra (alan@spri.levels.unisa.edu.au)
Sun, 19 Apr 1998 12:37:21 +0930 (CST)
> > Actually, according to a followup message from Pauline Middelink it should
> > be:
> >
> > : "=m"(*(n)) : "a" (addr), "r"(n), "ir"(limit), "i"(type))
> >
> > Steve
>
> This is most likely true, however it does compile with just "r". I'm not
> sure what affect this might have on it though...my system has been up for
> about 40 mins. with no problems so far.
Adding the "i" allows a constant to be passed directly to the macro,
rather than always putting it into a register. A slight optimisation
for the case where this macro is used in set_tss_desc().
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