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 4C6273858C52; Mon, 10 Apr 2023 11:42:28 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4C6273858C52
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1681126948;
	bh=13wOqSXeNlSvQp1ZyoTQJ6nluQtYXRy4V01KQ99ZqEE=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=gGYFr9BAWVhUtJ9h69dHnAXtrDZdeWXh22ebPN2ek3z616uwGZ9AqfJrVKQZ1kC1D
	 /gmF2LG97IZuxWgkjNtsBIOM6HOyDSGvH+2MPynLUSnfuMkkH03cnDwWHpoUYxdjjn
	 RrvmvuPbEqMr2cOMhRBNfBG4Ao0a/XaO12PtYSvw=
From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/109456] `-ffixed` is ignored for `a` registers on
 RISC-V.
Date: Mon, 10 Apr 2023 11:42:27 +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: 12.2.1
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: xry111 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: cc
Message-ID: <bug-109456-4-rvjzDtrXEg@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109456-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109456-4@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=3D109456

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xry111 at gcc dot gnu.org

--- Comment #5 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Is this a bug?

-ffixed-reg
Treat the register named reg as a fixed register; generated code should nev=
er
refer to it (except perhaps as a stack pointer, frame pointer or in some ot=
her
fixed role).

To me "the ABI mandates to pass an argument in this register" means "some o=
ther
fixed role".=