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From: "tschwinge at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/110313] [14 Regression] GCN Fiji reload ICE in
 'process_alt_operands'
Date: Tue, 20 Jun 2023 15:36:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110313

Thomas Schwinge <tschwinge at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |manolis.tsamis at vrull do=
t eu

--- Comment #4 from Thomas Schwinge <tschwinge at gcc dot gnu.org> ---
(In reply to myself from comment #2)
> I had found, and wanted to report the same thing:
>=20
> (In reply to Andrew Stubbs from comment #1)
> > This ICE also affect the following standalone test failures (raw amdgcn=
, no
> > offloading):
> >=20
> > gfortran.dg/assumed_rank_21.f90
> > gfortran.dg/finalize_38.f90
> > gfortran.dg/finalize_38a.f90
>=20
> ... but with the additional detail: ICE in their '-O3 -g' testing variants
> only.

Also, there appears to be some non-determinism involved here: in another ru=
n of
the exact same toolchain build I've then also seen the ICE for
'gfortran.dg/PR100906.f90' (again, '-O3 -g' testing variant only).

(In reply to myself from comment #0)
> I'm now bisecting.

With commit r14-1873-g6a2e8dcbbd4bab374b27abea375bf7a921047800 "cprop_hardr=
eg:
Enable propagation of the stack pointer if possible" reverted, we're back to
normal, both for GCN target and for GCN offloading.

That, however, is completely outside my area of competence -- if such a thi=
ng
exists at all...  ;-)=