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Mail Archives: djgpp/1994/11/15/00:00:58

Date: Tue, 15 Nov 1994 10:13:03 +1100
From: Bill Metzenthen <BILLM AT vaxc DOT cc DOT monash DOT edu DOT au>
Subject: Re: DJGPP & MATH
To: UCKO AT VAX1 DOT ROCKHURST DOT EDU
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu

From:	IN%"UCKO AT VAX1 DOT ROCKHURST DOT EDU"  "Aaron Ucko" 14-NOV-1994 11:01:27.36
Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu) wrote:

>>> I'd be about the last person to criticize GCC.  What I am criticizing is
>>> DJGPP's (mis-)initialization of the FPU (which was mentioned in different
>>> guise a little while ago)
>>
>>I must have missed that discussion (I skip most djgpp messages unless
>>the subject line indicates something which might interest me).  Since
>>you seem to be happy with gcc I guess that you are unhappy with the
>>default action on the detection of an FPU error.  This is probably a
>>"religious" issue.  I prefer to have the default of having the FPU
>>cause an interrupt when an error is detected.
>
>I also prefer having it cause an interrupt--the problem is that the program
>doesn't _catch_ the interrupt (perhaps due to DJGPP's lack of signal support?)

Ah, yes.  This is not strictly a floating point issue.  But I certainly
agree.  In my opinion, the lack of support for signals is a serious
deficiency of djgpp.

[I should mention that I don't use djgpp much, having switched to Linux
 as my operating-system-of-choice quite some time ago.]


Cheers,
       Bill

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