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- From: d88-jwa@dront.nada.kth.se (Jon Wtte)
- Newsgroups: comp.sys.mac.programmer
- Subject: Re: Curves in QuickDraw GX
- Message-ID: <1993Jan4.112610.16199@kth.se>
- Date: 4 Jan 93 11:26:10 GMT
- References: <PERM.92Dec18142818@groucho.csd.uu.se> <Bzp7x4.90D@iat.holonet.net> <ksand-301292141154@wintermute.apple.com> <1992Dec31.224923.15838@eng.umd.edu>
- Sender: usenet@kth.se (Usenet)
- Organization: Royal Institute of Technology, Stockholm, Sweden
- Lines: 26
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- In <1992Dec31.224923.15838@eng.umd.edu> russotto@eng.umd.edu (Matthew T. Russotto) writes:
-
- >>Well, concerning a PowerPC port it makes sense, because asm is no-no
- >>or 'if-you-really-need-it' option on this platform.
-
- >Uhhh.... why?
-
- Because you don't know how the compiler will schedule instructions
- and use condition code sets. Note the s. Computers today are not
- what they used to be; what we see now is a more and more complex
- interaction between compiler, libraries and hardware; you really
- need machines to keep track of getting it all right!
-
- If you would want to write a context-free assembly portion, you
- would have to surround it by several (5 on each side?) NOP
- instructions; and then would degrade the performance of that
- asm{} by quite a bit...
-
- Cheers,
-
- / h+
-
- --
- -- Jon W{tte, h+@nada.kth.se, Mac Hacker Deluxe --
-
- -- I don't fear death, it's dying that scares me.
-