Re: Compiler fixes for the Pentium FDIV bug?

thalor@aol.com (Thalor)
Mon, 19 Dec 1994 14:16:18 GMT

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Related articles
Compiler fixes for the Pentium FDIV bug? jjnvdm@firga.sun.ac.za (1994-11-30)
Re: Compiler fixes for the Pentium FDIV bug? xwang@site.gmu.edu) (1994-12-12)
Re: Compiler fixes for the Pentium FDIV bug? thalor@aol.com (1994-12-19)
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Newsgroups: comp.compilers,comp.lang.c++
From: thalor@aol.com (Thalor)
Keywords: 586, arithmetic, comment
Organization: America Online, Inc. (1-800-827-6364)
References: 94-12-015
Date: Mon, 19 Dec 1994 14:16:18 GMT

I'm pretty sure that if you compile your code to _not_ "require" an
8087-style coprocessor, and select the (middle?) option that says use
coprocessor if available but otherwise use Windows' emulation library that
you'll be in good shape. Then whenever you or the user runs the program
on a Pentium you can run Microsoft's HIDE87.COM TSR (or equivalent) before
entering Windows. Developers with MSDN CD-ROM already have this program
for their own use.


Perhaps someone can write one for the public-domain so other folks can get
the same functionality.


By the way, I'm really impressed with the volume of useful programs,
examples, and information that is packed on this CD-ROM. If your manager
balks at spending $199 for it tell him/her it's like instantly adding 3
years of experience at Windows programming without adding $10K to your
salary.-----------------
John Collins
[Well, I suppose one might consider that a fix, although I must say that
considering the huge loss of performance in emulation, and the dubious
numerical quality of the emulator, I wouldn't bother. No argument about the
CD-ROM, though. -John]
--


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