Re: Problems with Hardware, Languages, and Compilers

smryan@mail.com (!@?*$%)
14 Mar 1997 00:07:17 -0500

          From comp.compilers

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From: smryan@mail.com (!@?*$%)
Newsgroups: comp.compilers,comp.lang.misc,comp.arch.arithmetic
Date: 14 Mar 1997 00:07:17 -0500
Organization: The Programmer formerly known as S M Ryan
References: 97-03-037 97-03-041
Keywords: arithmetic, optimize

> Factorizing x/y as x*(1/y) is not generally done inside compilers,
> because compiler people are generally given a quotient hardware
> operation, rather than an inverse operation. The software that cares


Nope. It is generally not done because customers scream bloody murder
if the last few bits are different, which can easily happen with this
transformation.


Personal experience.


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| S M Ryan, Cupertino CA
| mail to: smryan@mail.com
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