As far as I can see the shift has to span multi-word.  That requires a=20
series of
SL,RLC,RLC,RLC for the INT64 and a SL, RLC for the INT32 to pick up the=20
multi-word
carries. There is no multi-bit count shift operation available that catches=
=20
the CARRY.

Your point about the barrel shifter is well taken.  I hadn't thought about=
=20
that as it is
part of the DSP engine and I don't generally think to look down there.=20
I'll go back
and dig into that part of the chip and see what I can find.  If I can get=20
the shift under better
control I'm back in the game.=20

--=20
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