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Define an asm macro, called SPL:
asm void SPL(newpri) { % reg newpri; spl newpri % con newpri; movw newpri,%r0 spl %r0 }
The lines that begin with
%
are patterns.
If the arguments at the time the macro is called match the
storage modes
in a pattern,
the code that
follows the pattern line will be expanded.