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Message from discussion On writing JITs
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Nicholas Clark  
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 More options Aug 1 2002, 5:48 pm
Newsgroups: perl.perl6.internals
From: n...@unfortu.net (Nicholas Clark)
Date: Thu, 1 Aug 2002 21:42:09 +0100
Local: Thurs, Aug 1 2002 4:42 pm
Subject: On writing JITs
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Am I allowed to write ancillary functions I want the JIT to call in
assembler? I presume that the JIT needs to go fast, and I suspect that there
are some bits that are easier to write in assembler (eg rotates for figuring
out constants) than in C, for the same amount of eventual speed.

I guess it comes down to, are we assuming that the JIT always be run on the
CPU which is is targeting? I suspect the answer ought to be "avoid the
special case" and so the answer to my original question should be "no, make
the JIT portable"

Nicholas Clark
--
Even better than the real thing:        http://nms-cgi.sourceforge.net/


 
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