Re: Guidelines for instruction set design?

Tony Finch <dot@dotat.at>
07 May 2009 16:35:36 +0100 (BST)

          From comp.compilers

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Re: Guidelines for instruction set design? torbenm@pc-003.diku.dk (2009-05-04)
Re: Guidelines for instruction set design? gah@ugcs.caltech.edu (glen herrmannsfeldt) (2009-05-05)
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Re: Guidelines for instruction set design? gmt@cs.arizona.edu (2009-05-06)
Re: Guidelines for instruction set design? dot@dotat.at (Tony Finch) (2009-05-07)
Re: Guidelines for instruction set design? gneuner2@comcast.net (George Neuner) (2009-05-10)
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Re: Guidelines for instruction set design? anton@mips.complang.tuwien.ac.at (2009-05-12)
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Re: Guidelines for instruction set design? DrDiettrich1@aol.com (Hans-Peter Diettrich) (2009-05-13)
[3 later articles]
| List of all articles for this month |

From: Tony Finch <dot@dotat.at>
Newsgroups: comp.compilers
Date: 07 May 2009 16:35:36 +0100 (BST)
Organization: dotat labs
References: 09-05-020 09-05-042
Keywords: architecture, design
Posted-Date: 09 May 2009 18:51:16 EDT

gmt@cs.arizona.edu (Gregg Townsend) wrote:
>
>If you want to avoid headaches, stay compatible with these features
>of modern systems that are so common we take them for granted:
>
> individually addressable characters
> 8-bit characters


You mean bytes. Characters don't fit in bytes.


> ASCII character set


You need to be agnostic about character set. ASCII has been obsolete
for decades. Some code uses wide characters (UTF-32, or (brokenly)
UTF-16 etc.), and some uses multibyte characters (UTF-8 or ISO-2022 etc.).


Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/


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