Mail Archives: djgpp/1998/05/18/02:46:21
Nate Eldredge wrote:
>
> At 12:07 5/13/1998 +0300, Eli Zaretskii wrote:
> >> "movb %b1, (%k2)") -what is the address of %k2?
> >
> >k2 is argument 2 with the k constraint (you only need the constraints
> >when you write inline assembly).
>
> Is that an undocumented feature? It's a convenient syntax, but I see no
> mention of it in the docs.
It's semi documented in the GCC manual I think (for certain generic
codes, anyway) and the rest are documented in config/i386/i386.md in the
gcc source tree (in the comments at the top of the file).
Bill
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