On Jul 4, 2004, at 3:32 AM, Geert Uytterhoeven wrote:

Perhaps it makes sense to add a directive to the assembler to switch
on the
fly, cfr. the `.chip' directive on m68k? E.g. using

    .chip 68040

we switch to 68040 mode, and using

    .chip 68k

we switch back to generic mode. That way we can have instructions for
different
CPU types in the same kernel, while the assembler still checks the
validity
depending on the selected CPU type.

That's come up before, and iirc Alan Modra said the support isn't there
now for PPC and is relatively low on the priority list (but is on it).

--
Hollis Blanchard
IBM Linux Technology Center


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