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 25F1F385829B; Thu, 23 May 2024 14:22:35 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 25F1F385829B
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1716474155;
	bh=/8+r2A2iib0+MQhDZDgoKCWOAWlyntFFYIrt9UdXeDo=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=SpFcdtE+ufgTqp5t7JGSuYUgDdVT62bohbDzeAu+1ZUIRTqtQIjGBYJ1lp4q9xkPp
	 Ac9az2VQU/WesOKyBLZPW9DMvmlJlVCXo/mblpsddy6zoa5tHtP5FVsWD5nHVkb7qs
	 n6L+/eq4d5GLfxQI25i8PHXQg2yYZAIccXxrq5S0=
From: "wilco at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/115188] [14/15 regression] invalid Thumb assembly for
 atomic store in loop on ARMv6
Date: Thu, 23 May 2024 14:22:34 +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: 14.1.0
X-Bugzilla-Keywords: assemble-failure
X-Bugzilla-Severity: normal
X-Bugzilla-Who: wilco at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: wilco at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.2
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_status everconfirmed assigned_to
 cf_reconfirmed_on
Message-ID: <bug-115188-4-OM2laGyVVJ@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-115188-4@http.gcc.gnu.org/bugzilla/>
References: <bug-115188-4@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=3D115188

Wilco <wilco at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
           Assignee|unassigned at gcc dot gnu.org      |wilco at gcc dot gn=
u.org
   Last reconfirmed|                            |2024-05-23

--- Comment #2 from Wilco <wilco at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> At first I thought it was the same failure as PR 115153 but it is differe=
nt.

It's similar in that 'm' apparently allows LDMIA/STMIA with writeback in
Thumb-1. The correct constraint is 'Uw'.=