[racket] powerpc: Book E JIT instructions

John (I think it was you),

A few days back you mentioned something about the JIT for PPC not being
compatible with "Book E" FPUs. Since I plan to be tinkering with racket
and a Book E device, I was wondering whether there were any references/
tests I could look out for to observe this problem.

If you've any pointers, I'd be grateful.

Tim

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T: +44 20 8770 2110                | City House, Sutton Park Road      |
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