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 9F1633858C24; Thu,  4 Apr 2024 18:01:17 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9F1633858C24
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1712253677;
	bh=R6ya591qbunjofjxWUsxgh6o5mf/fZHOebQG7rEOMUE=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=Z3td1ir9Z3Bj3dY81u+fe5YOQg5adpHS8js7riYFPEQbABwNtG0GQNr3DJMJmZ5BK
	 kUuaYRA5+M8OBbZlseMXZhPgz0+ZJJI7IIuBkpPBk95Fu0U2xKUVPBJbaT9bM2zTB+
	 LU9Vt9/Nnc/G9XlIJSpcK63Zi+NBTDTzNmjvffXY=
From: "sainan+gcc.bugzilla at calamity dot gg" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/110773] [Aarch64] crash (SIGBUS) due to atomic
 instructions on under-aligned memory
Date: Thu, 04 Apr 2024 18:01:17 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: sainan+gcc.bugzilla at calamity dot gg
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-110773-4-aCHwUEUrtM@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110773-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110773-4@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=3D110773

--- Comment #9 from Sainan <sainan+gcc.bugzilla at calamity dot gg> ---
(In reply to Wilco from comment #8)
> So it's unaligned then, and that's not supported. And you're lucky your
> specific alignment happens to work on v8.4 cores - it would fail for other
> offsets.

I'd say unlucky rather because I was going crazy about not being able to
reproduce this on the Windows ARM machine.=