Paranoia flaw on pc386

Ardalan Pouyabahar a.pouyabahar at gmail.com
Fri Jul 19 15:32:16 UTC 2013


Thanks Joel. I read them all, it helped a lot but I couldn't find a way to
solve it yet.


On Thu, Jul 18, 2013 at 11:07 PM, Joel Sherrill
<joel.sherrill at oarcorp.com>wrote:

> The compiler flags and optimizations matter a lot on x86.
> There are lots of discussions when gcc is benchmarked
> against icc like this one:
>
> http://gcc.gnu.org/ml/gcc/**2012-01/msg00238.html<http://gcc.gnu.org/ml/gcc/2012-01/msg00238.html>
>
> But specifically, there is a discussion of gcc and paranoia
> here which appears to match your report.
>
> http://gcc.gnu.org/ml/gcc/**2004-03/msg01468.html<http://gcc.gnu.org/ml/gcc/2004-03/msg01468.html>
>
> --joel
>
>
> On 7/18/2013 1:30 PM, Gedare Bloom wrote:
>
>> I think the FLAWs can be safely ignored, but may be will matter if
>> your application uses floating point operations.
>>
>> On Thu, Jul 18, 2013 at 2:24 PM, Ardalan Pouyabahar
>> <a.pouyabahar at ece.ut.ac.ir> wrote:
>>
>>> Hello,
>>> Paranoia output on rtems pc386 had 1 flaw which was this:
>>>
>>> Sticky bit used incorrectly or not at all.
>>> TEST: lack(s) of guard digits or failure(s) to correctly round or chop
>>> (noted above) count as one flaw in the final tally below
>>> ERROR: Severity: FLAW:  lack(s) of guard digits or failure(s) to
>>> correctly
>>> round or chop
>>> (noted above) count as one flaw in the final tally below.
>>> PASS: lack(s) of guard digits or failure(s) to correctly round or chop
>>> (noted above) count as one flaw in the final tally below
>>>
>>> I've searched in rtems mailing list and google but couldn't find anything
>>> useful yet. Does anyone know what it means and how can I solve it?
>>> I compiled whole rtems and paranoia without optimization.
>>> Thanks,
>>> A.Pouyabahar
>>>
>>>
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>
>
> --
> Joel Sherrill, Ph.D.             Director of Research & Development
> joel.sherrill at OARcorp.com        On-Line Applications Research
> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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