In <[EMAIL PROTECTED]>, on 12/01/2008
   at 11:44 PM, Alan Altmark <[EMAIL PROTECTED]> said:

>With instruction pipelining,

Even without pipelining there were serious complexities as far back as
S/370.

>Do try to use RI-format instructions like LOAD HALFWORD IMMEDIATE
>to avoid storage reference or address generation.

Have you stopped doing address generation during I-fetch? Or are you
worried about register reservation?

IAC, I'd say worry about the algorithm before you worry about the code,
and worry about maintainability before micro-optimization.
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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