Bug#781892: (Hardware?) problem with denormal values on mipsel
On Fri, May 22, 2015 at 04:41:51PM +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.
FYI this does not fail on my 2F box running pure 64 bit OpenBSD with
gfortran 4.2.1.
(The above program is obviously not valuable other than as a reproducer
since the default real is not big enough to carry enough precision.)
/jl
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