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- References: <38232686@kone.fipnet.fi> <4h45v7$imi@sunsystem5.informatik.tu-muenchen.de>
- From: "Jyrki Saarinen" <jsaarinen@kone.fipnet.fi>
- Date: Sun, 3 Mar 96 16:23:11 UT
- Comments: Illegal date header - new date added by quicknews
- X-Original-Date: Sun, 03 Mar 96 17:18:21
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- Subject: Re: TMapping again!
- Message-ID: <38232796@kone.fipnet.fi>
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-
- > |> > on x86 doing a 32bit immediate add is as fast as a reg to register
- > |> > add?
- >
- > uhm, if possible, do only 16bit, for the poor 030 users ;)
- > 4 cycles for .w, 6 for .l seems each _word_ taken from cache makes 2
- >ácycles.
-
- Yep, this is true at least on the 68020, maybe on the 68030, too.
- Not on the 68040 and the 68060 though..
-
- > use lea d(An),An for 4 cycle Adressregister manipulation. not add.w!
-
- Ofcourse..
-
- -- _
- a Stellar programmer _ //
- "Amiga - back for the future" \X/
-