Henry Rich wrote:
> Writing code on the fly is deprecated by Intel, and might not
> even be allowed now that processors have the no-execute
> flag.

I disagree.
 
Worst case you have to write it into a file.
 
And the most annoying thing about that would not be the time
it takes to do so, but the operating system dependencies
it probably must introduce.
 
I will grant that the design of the Intel instruction
set can make efficient code generation a costly process and
that it might in Intel's best interests to obscure those
costs.  On the flip side, if a person is willing to make a
few simplifying assumptions, interesting results can be
had even without achieving some ultimate theoretical
performance.
 
-- 
Raul
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