Re: calc and calcout records in EPICS 3.14.6

["Ronald L. Sluiter" <sluiter@aps.anl.gov>]

I reported a problem with the Tornado 2.2.1 supplied compiler
via the Mantis Bug Reporting mechanism; Bug ID #82.

The jest of the report is that the epicsThreadSleepQuantum() function
returns erroneous values when -O3 optimization is used.

Ron

Mark Rivers wrote:

> Andrew and Ralph,
>
> We've been using the SNS versions of PPC and 68K compilers without being
> aware of the bugs that Andrew mentioned.  Are these documented somewhere
> on the Web?
>
> Thanks,
> Mark
>
>  
>
> >  > There are also problems with a 68K C++ compiler built from these
> > sources;
> >  > in that case the issue is related to passing bool variables as
> > arguments
> >  > to functions or member functions - again I haven't chased the
> >    
> detail.
>  
>
> > Plus a problem with NULL pointers being treated wrong in expressions
> > (after setting a pointer to NULL, comparing it to NULL in an
> >    
> expression
>  
>
> > would yield a FALSE).
> >
> > Afaik this problem is appeared only in the 68k version of the original
> > Tornado 2.0.2 compiler and was fixed with a later patch. Anyway:
> > compilers built from the sources available at SNS are not showing this
> > bug. (That's why we rebuilt even our HP-UX based compiler from the SNS
> > sources.)
> >    
>
>
>
>