Re: (Hardware?) problem with denormal values on mipsel

On Fri, 2015-05-22 at 16:41 +0200, Ole Streicher wrote:
> Dear Mailing list,
> 
> a few weeks ago, I found a problem that I thought is related to gfortran;
> however I am unsure whether this is really the case.
> 
> http://bugs.debian.org/781892
> 
> Basically it burns down to the following minimal code on eder.debian.org:
> 
> (sid_mipsel-dchroot)olebole@eder:~$ cat aini.f
>       PROGRAM AINI
>       R=1.1342362e-39
>       R=SQRT(R)
>       STOP
>       END
> (sid_mipsel-dchroot)olebole@eder:~$ gfortran -Wall -o aini aini.f
> (sid_mipsel-dchroot)olebole@eder:~$ ./aini
> 
> Program received signal SIGILL: Illegal instruction.

eder and all the other machines eso-midas has failed on are Loongson
machines. I'll have a further investigate but I wouldn't be too
surprised if this was yet another Loongson FPU bug...

Thanks,
James

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