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Re: [PATCH, ARM] ISO/IEC TR 18037 fixed-point support
On Fri, 13 May 2011, Julian Brown wrote:
> On Wed, 11 May 2011 15:27:37 +0000 (UTC)
> "Joseph S. Myers" <joseph@codesourcery.com> wrote:
>
> > On Wed, 11 May 2011, Julian Brown wrote:
> >
> > > There's currently no support for "long long" fixed-point types,
> > > since those imply support for TImode arithmetic, which isn't
> > > sensible on ARM. I've modified tests to make optional the
> > > requirement for long long support.
> >
> > I wonder how those tests work, or don't work, on 32-bit MIPS, which
> > ought to have the same issue....
>
> Well they do seem to work, though I haven't investigated why.
I think that does need further investigation, since it means that at least
the claimed reason for needing patch 5/6 has something wrong with it.
Maybe there's a reason it's appropriate to disable those types and tests
on some targets, but it's not "those imply support for TImode arithmetic".
--
Joseph S. Myers
joseph@codesourcery.com