RE: Dynamically choosing a register

Do you mean for the cond to be evaluated at compile time in the
following?

   (def store-to-register (reg val)
  (cond (reg)
         ((number-that-means-eax) (store eax val)

If so you could just generate:
   (mov t1 eax)

Then the register allocator will try to allocate t1 in eax
and remove that move.

Bryce
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