PATCH: Skip some UCN tests unless supported

[Rainer Orth]

Janis Johnson <janis187@us.ibm.com> writes:

>> Unfortunately, I don't know if the testsuite framework supports several
>> independant dg-skip-if statements in a single testcase.  If it does not,
>> they'd have to be merged before committing.
>
> Yes, it supports multiple dg-skip*, dg-xfail*, dg-require* directives.

Great, one less issue to surprise you :-)

>> Btw, there's one caveat about Sun as: I wondered why Sun cc doesn't
>> error out on my testcase in check_effective_target_ucn_nocache, and
>> found that it doesn't pass the identifier unencoded to as (in fact, it
>> usually doesn't use an external as/fbe at all, but directly goes to
>> object code), but instead uses an encoding of its own.  I haven't yet
>> tried and find documentation about that, but it would be quite useful
>> for GCC and the vendor tools to be interoperable in this regard.  This
>> is an aspect of the ABI that should be followed, though I've no idea yet
>> if GCC supports platform-dependent encodings here.
>
> This sounds like a topic for separate mail to gcc@, the right people are
> not going to notice it within mail about a testsuite patch.

Will do.  Josef is probably the best person to ask, but unless I've got
information from Sun on the mangling used, it might be a reverse
engineering issue.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University