9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] fpu emulation
Date: Mon, 25 Jun 2001 12:16:55 -0400	[thread overview]
Message-ID: <20010625161657.BE92D199F6@mail.cse.psu.edu> (raw)

On Sun Jun 24 23:53:27 EDT 2001, quinn@hork.ugcs.caltech.edu wrote:
> If there's no FPU detected, does plan9 attempt to emulate one?  How can you
> tell if it's emulating?
> 
> Here's what acid has to say:
> 
> 826: math coprocessor emulation lua_tonumber+0x40   FMOVD   0x4(DX),F0
> Notes pending:
>     sys: fp: invalid fppc=0x13ed7
> 
> My current theory is that somehow plan 9 missed the FPU on my processor (AMD
> K6-3) and enabled software FPU, which, due to little exercise, is buggy.
> 

there is no software fp emulation for the x86.


             reply	other threads:[~2001-06-25 16:16 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-25 16:16 jmk [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-06-25  3:52 Quinn Dunkan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20010625161657.BE92D199F6@mail.cse.psu.edu \
    --to=jmk@plan9.bell-labs.com \
    --cc=9fans@cse.psu.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).