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Re: upcoming enhancement requests for GCC testing

From: Janis Johnson
Subject: Re: upcoming enhancement requests for GCC testing
Date: Wed, 17 Dec 2008 13:50:21 -0800

On Wed, 2008-12-17 at 15:36 -0600, Joel Sherrill wrote:
> Janis Johnson wrote:
> > The GCC testsuite support does some really ugly things to support
> > functionality that is not available in DejaGnu.  For example, it uses
> > upvar to reference DejaGnu local variables and overrides several DejaGnu
> > procs.  I'd like to propose several changes to DejaGnu that would
> > eventually allow GCC to drop its overrides and use that support directly
> > from DejaGnu, where it would also be available to other projects.  I'll
> > send separate mail messages suggesting specific changes.  As far as I
> > know I don't have a copyright assignment for DejaGnu so I won't send
> > patches.
> >
> > GCC provides several test directives, including improvements to some
> > already available from DejaGnu.  If other projects are interested in
> > those we can look at copying them to DejaGnu.  They're documented at
> >
> >
> >
> > The niftiest piece is the ability to use expressions for target lists
> > and the use of effective-target keywords.  This allows a lot of
> > flexibility for skipping or xfailing tests to clean up test results.
> >
> >   
> Janis will this help address the types of failures we
> see when testing RTEMS?  The two biggest categories
> are:
> + scan assembly tests when our BSP needs specific
>    CPU flags
> + not generating profile output
> I know we have talked about this before.

No, and I don't know enough about those issues to help, but perhaps
if you describe them here then I can learn from the experts, if they
need to be fixed within the GCC testsuite support.


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