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On 19 Oct 2000 09:22:29 -0400, Warp wrote:
>Ron Parker <ron### [at] povray org> wrote:
>: It might pipeline better.
>
> AFAIK instructions that handle the same register can't be executed in
>different pipelines at the same time (at least this in a Pentium).
That's probably true, but a load-modify-store sequence might be more easily
run in parallel with another such sequence. Of course, if that's the case,
they would have microcoded inc as such a sequence. I suspect the real
reason your compiler built it that way is the second reason I gave.
--
Ron Parker http://www2.fwi.com/~parkerr/traces.html
My opinions. Mine. Not anyone else's.
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