Subject: Re: pentium math errors
To: J.T. Conklin <>
From: Zdenek Salvet <>
List: port-i386
Date: 12/09/1994 10:39:28
J.T. Conklin wrote:
> When I first heard about the pentium bug, I thought the i387 assembly
> versions of the math functions were safe, because the fdiv instruction
> is not used.  I have recently been told that the bug effects more than
> just fdiv.
> I will be implementing the official Intel workarounds in the math
> library as soon as can get my hands on them.  It should also be fairly
> easy to integrate the patch that will fix gcc.
> Until then, don't do numerics work on pentium processors.

I hope such workarounds will be done with #ifdef's and special command
line options to gcc.  (I have 486 :-)

Zdenek Salvet