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Re: c/8395: gcc 2.95.4 and 3.2 generate wrong code for double onintel

From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
To: Marco Bernardo <bernardo at sti dot uniurb dot it>
Cc: Bruce Allen <ballen at gravity dot phys dot uwm dot edu>, Bruce Allen<ballen at aei dot mpg dot de>, gcc-gnats at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, nobody at gcc dot gnu dot org
Date: Sat, 02 Nov 2002 16:56:04 +0100
Subject: Re: c/8395: gcc 2.95.4 and 3.2 generate wrong code for double onintel
Organization: Moene Computational Physics, Maartensdijk, The Netherlands
References: <Pine.LNX.4.43.0211021619170.24605-100000@dechirico.sti.uniurb.it>

Marco Bernardo wrote:

1. Some colleagues of mine tried to compile and run the same program
   on other platforms, in particular on a sparc machine, and the output
   turned out to be
       -6 -1.2 5 0 -6 0
   Why is that? Isn't the IEEE 754 standard adopted on sparc machines?

Yes. For further explanations, see the "Further Readings" item on our home page:

http://gcc.gnu.org -> "Further Readings" (left column) ->

Differences among IEEE 754 implementations (by Doug Priest)

--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
Join GNU Fortran 95: http://g95.sourceforge.net/ (under construction)

Follow-Ups:
- Re: c/8395: gcc 2.95.4 and 3.2 generate wrong code for double onintel
  - From: Bruce Allen

References:
- Re: c/8395: gcc 2.95.4 and 3.2 generate wrong code for double onintel
  - From: Marco Bernardo

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