Date: Thu, 29 Sep 1994 17:04:18 +22305931 (WAUST)
From: Ron Grunwald <rgrunwal AT bluering DOT cowan DOT edu DOT au>
Subject: Re: djgpp and the 386SX
To: Brian Acton <brian_acton AT powertalk DOT apple DOT com>
Cc: "djgpp AT sun DOT soe DOT clarkson DOT edu" <djgpp AT sun DOT soe DOT clarkson DOT edu>



On 28 Sep 1994, Brian Acton wrote:

> Hello All,
> 
> I have two computers: a 386SX/16 and a 486/25, and I seem to have problems
> getting programs to run with the 386SX. On my 486, the program runs perfectly
> and I don't have any apparent problems. However, when I try to run the same
> program with a 386SX, the program locks up (ctrl-c fails).
> 
> I still get the floating point exception in gdb, and the program still hangs
> outside of gdb.
> 
> The lines of code that appear to generate the floating point exception are:
> 
> int i;
> int j;
> 
> for (i=0; i < 40000; i++) {
> 	if (i < j ) j++;
> }

Brian,


Did you initialize j? If not initialized, j can adopt the weirdest numeric
values to such an extent that they may even be interpreted as floating-point
numbers.


Regards, Ron.



 ********************************************************************
 | Author.............. Ron Grunwald                                | 
 | Internet............ rgrunwal AT bluering DOT cowan DOT edu DOT au              | 
 | Phone............... (09)273 8027 or (09)273 8468                |
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 | Department.......... Information Technology                      | 
 | Division/Faculty.... Operations and Systems Management           | 
 | Institute........... Edith Cowan University, Churchlands         | 
 | Location............ Perth, Western Australia                    |
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 "I don't have any solution but I certainly admire the problem!"