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 0A4943870C2E; Mon,  4 Dec 2023 23:02:36 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0A4943870C2E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1701730957;
	bh=AwA6kVCm1SCYg+qHARmhDkwdNMIiHH1ubYtq0lqysII=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=XqNoYDzsbRgnPK5jRUhlF+0aLrQTLjk6c9NbjHq1UI56GZRoT+s3Pn05+TIuOTjcz
	 tVDcDjoMUAeFkz++br1PKeg85PW26lSWkdkCv8L3bmXIPTb+aiar19WZU7VXrk9Afx
	 al/gxQSWds2VnpOwK+rnuRf2aLg79ru+RZad+cdk=
From: "bergner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112707] [14 regression] gcc 14 outputs invalid assembly
 on ppc: Error: unrecognized opcode: `fctid'
Date: Mon, 04 Dec 2023 23:02:36 +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: 14.0
X-Bugzilla-Keywords: assemble-failure
X-Bugzilla-Severity: normal
X-Bugzilla-Who: bergner at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: guihaoc at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-112707-4-OFxsBLnfdp@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-112707-4@http.gcc.gnu.org/bugzilla/>
References: <bug-112707-4@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=3D112707

--- Comment #11 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Kewen Lin from comment #10)
> (In reply to HaoChen Gui from comment #9)
>
>> My question is: can "fctid" be executed on powerpc7450 such a 32bit
>> processor? If it's supported, should the assembler be changed also (repl=
ace
>> the PPC64 with PPC for fctid)?
>=20
> Good question, I think it's no, the assembler implementation looks to mat=
ch
> the documentation, as I can't find insn fctid in powerpc7450 doc:
> https://www.nxp.com.cn/docs/en/reference-manual/MPC7450UM.pdf

I believe the only 32-bit cpu that supports fctid is the 476 which has
explicitly enabled it here.=