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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/106516] New test case gcc.dg/pr104992.c fails on
 power 10
Date: Wed, 24 Aug 2022 02:25:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106516

--- Comment #7 from Kewen Lin <linkw at gcc dot gnu.org> ---
(In reply to Peter Bergner from comment #6)
> (In reply to Kewen Lin from comment #5)
> > Created attachment 53492 [details]
> > Adjust pr104992.c with vect_int_mod
> >=20
> > > So it sounds like we want a generic target supports test that is true=
 on
> > > targets (like power10) with a vector mod and key off that.  Any ideas=
 how we
> > > can do that?
> >=20
> > Add one effective target vect_int_mod for it, one quick grepping for i3=
86
> > and aarch64 shows they don't have such support.
>=20
> Heh, I was thinking of whether we could actually test whether an actual
> target supported it, but given no other arches seem to be failing this te=
st
> case other than P10, I guess that will work. :-)

Thanks for the clarification, I guess that's doable. In this patch, I mainly
followed the existing practice vect_int_mult (there are also some similar
effective targets describing target vector support capability). With this w=
ay,
if some other arches support this in future, target owners need to add their
own conditions.=