On Sat, Jul 20, 2024 at 12:31:34PM -0400, Andrew MacLeod wrote:
> 
> On 7/20/24 12:00, Jakub Jelinek wrote:
> > On Sat, Jul 20, 2024 at 11:48:36AM -0400, Andrew MacLeod wrote:
> > > On 7/20/24 01:58, Sam James wrote:
> > > > FAIL: gcc.dg/pr116003.c (test for excess errors)
> > > > Excess errors:
> > > > /home/tcwg-buildslave/workspace/tcwg_gnu_5/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/pr116003.c:4:1:
> > > >  sorry, unimplemented: '_BitInt(5)' is not supported on this target
> > > > /home/tcwg-buildslave/workspace/tcwg_gnu_5/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/pr116003.c:8:1:
> > > >  sorry, unimplemented: '_BitInt(129)' is not supported on this target
> > > > /home/tcwg-buildslave/workspace/tcwg_gnu_5/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/pr116003.c:11:5:
> > > >  sorry, unimplemented: '_BitInt(128)' is not supported on this target
> > > > 
> > > > I think it needs dg-do compile { target bitint }.
> > > > 
> > > Indeed, thanks.  Pushed.
> > This isn't enough.
> > The bitint effective target just means that the target supports
> > at least some _BitInt precisions (the standard in that case mandates
> > support for at least bits in long long, so 64), but this testcase
> > uses _BitInt(129), for that one needs to check for
> > #if __BITINT_MAXWIDTH__ >= 129
> > or use e.g. bitint575 effective target which guarantees _BitInt(575)
> > support.
> > 
> >     Jakub
> > 
> ugg.  Maybe wrap the entire body like so?

Yes.  Though, perantically empty translation unit is invalid, so you could
do something like
#else
int
main ()
{
}
before the
#endif

        Jakub

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