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Re: unresolved's on gcc profiling tests


From: Janis Johnson
Subject: Re: unresolved's on gcc profiling tests
Date: Thu, 18 Dec 2008 09:32:58 -0800

On Wed, 2008-12-17 at 16:09 -0600, Joel Sherrill wrote:
> Hi,
> 
> The other source of noise in RTEMS test results
> are the profiling tests.  Again the latest
> powerpc-rtems results:
> 
> http://gcc.gnu.org/ml/gcc-testresults/2008-12/msg01477.html
> 
> A typical noise entry is:
> 
> FAIL: gcc.dg/matrix/transpose-6.c compilation,  -fprofile-generate -O3
> UNRESOLVED: gcc.dg/matrix/transpose-6.c execution,    -fprofile-generate -O3
> UNRESOLVED: gcc.dg/matrix/transpose-6.c compilation,  -fprofile-use 
> -fipa-matrix-reorg -fdump-ipa-matrix-reorg -O3 -fwhole-program -combine
> UNRESOLVED: gcc.dg/matrix/transpose-6.c execution,    -fprofile-use 
> -fipa-matrix-reorg -fdump-ipa-matrix-reorg -O3 -fwhole-program -combine
> 
> So generally saying profiling isn't going to
> work on this target would eliminate a bunch of
> noise.
> 
> My goal is to get results that accurately reflect
> the target so I can then begin to focus more on the
> real failures.

This is specific to the GCC testsuite, which already has the support
you need.  Add your target(s) to check_profiling_available in
gcc/lib/target-supports.exp.

Janis





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