From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 14376385840E; Wed, 15 Mar 2023 17:58:51 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 14376385840E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1678903131;
	bh=eqVxE5Ndj148fUa1MQCS3p+DFW2qQw2Byn/TtyOuujE=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=kcYVm365O3AcQFJl2oQtD9bJ1pZh6n+sD4+6icf8v2jJY4prPbXZ5mfSrz0u1Zr5F
	 iPubd1GDNmfvV483EccnNgVXpJBfuAi1wXD+ntRC3Qkt7z0BWWz7Sr/knyKayia8o0
	 6wJ6TipAIQ6cS0Qj9qdL/M3rZ5E1mJT8Q9EXUDdc=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/109140] ICE (during RTL pass: internal compiler error:
 in extract_insn, at recog.cc:2791) when building qemu on
 sparc64-unknown-linux-gnu with -march=niagara4
Date: Wed, 15 Mar 2023 17:58:50 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-109140-4-cj0VucGuV6@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109140-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109140-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109140

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Mikael Pettersson from comment #7)
> With -O2 -ftree-vectorize -mcpu=3Dniagara4 a bisect between 9.5.0 (good) =
and
> 10.4.0 (bad) found
>=20
> 6271dd984d7f920d4fb17ad37af6a1f8e6b796dc is the first bad commit
> commit 6271dd984d7f920d4fb17ad37af6a1f8e6b796dc
> Author: Wilco Dijkstra <wdijkstr@arm.com>
> Date:   Wed Nov 20 16:29:23 2019 +0000
>=20
>     PR85678: Change default to -fno-common
>=20
> And sure enough, with -O2 -ftree-vectorize -fno-common -mcpu=3Dniagara4
> gcc-9.5.0 also ICEs.

Right still latent from before that commit ...=