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Re: [PATCH] testsuite: Add new effective target keywords
On Mon, 18 Apr 2005, [utf-8] BjÃrn Haase wrote:
> While I think that such kind of information logically should belong to the
> target board description, I agree that it would be better if one had a
> solution that is independent of dejagnu.
> I'd like to suggest to use a method similar to the case of profiling. There,
> e.g. already is such a hard-coded list of targets in "target-supports.exp" so
> one might consider to extend the check_effective_target_support_trampolines
> procedure my patch is proposing so that it first looks at the board_info
> variable and in case that it does not find anything there, looks at a
> hand-coded selection list. ?
That seems like the right way to me.
> > As for whether int is more than 16 bits, the testsuite harness should be
> > able to determine that for itself (for each multilib) by testing the
> > compiler just as it does e.g. to test for availability of -fpic or iconv
> > or ilp32 or lp64.
>
> Of course that would be desireable. It would be even better, if there were a
> reliable define symbol that could be used for compile switches, so that some
> tests need not to be skipped but could be adapted.
#if __INT_MAX__ < 2147483647
or
#if __INT_MAX__ > 32767
can be used to adapt tests depending on the size of int. There are plenty
of __INT_MAX__ conditionals in whatever form already in the testsuite.
You can use any of the macros documented in cpp.texi.
--
Joseph S. Myers http://www.srcf.ucam.org/~jsm28/gcc/
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