linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Segher Boessenkool <segher@kernel.crashing.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: "Michael Ellerman" <michael@ellerman.id.au>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	"Pali Rohár" <pali@kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Arnd Bergmann" <arnd@arndb.de>
Subject: Re: [PATCH] powerpc: e500: Fix compilation with gcc e500 compiler
Date: Mon, 11 Jul 2022 11:14:42 -0500	[thread overview]
Message-ID: <20220711161442.GD25951@gate.crashing.org> (raw)
In-Reply-To: <d9339bb9-2410-bea5-7502-1c7839707f4e@csgroup.eu>

On Sat, Jul 09, 2022 at 09:26:11AM +0000, Christophe Leroy wrote:
> If I select the GENERIC_CPU or e5500 (with altivec) I get:
> 
>    CC      arch/powerpc/kernel/irq.o
> {standard input}: Assembler messages:
> {standard input}:3535: Error: unrecognized opcode: `wrteei'
> {standard input}:5608: Error: unrecognized opcode: `wrteei'

What -mcpu= did it use here?

wrteei is not a PowerPC insn (it is BookE, instead), so it is not
recognised without an appropriate -mcpu=.

> If I select the e5500 (without altivec) or e6500 I get:
> 
>    CC      arch/powerpc/kernel/io.o
> {standard input}: Assembler messages:
> {standard input}:381: Error: unrecognized opcode: `eieio'

Same question.  eieio is a base PowerPC instruction, so this one is
"interesting" :-)


Segher

  reply	other threads:[~2022-07-11 16:17 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-24  9:39 [PATCH] powerpc: e500: Fix compilation with gcc e500 compiler Pali Rohár
2022-05-24 17:59 ` Segher Boessenkool
2022-05-24 18:12   ` Pali Rohár
2022-05-24 18:52     ` Segher Boessenkool
2022-05-24 19:16       ` Pali Rohár
2022-05-24 19:52         ` Segher Boessenkool
2022-07-02  9:39           ` Pali Rohár
2022-07-02  9:44 ` Pali Rohár
2022-07-04 10:23   ` Michael Ellerman
2022-07-04 10:39     ` Pali Rohár
2022-07-04 12:07       ` Arnd Bergmann
2022-07-04 13:13         ` Pali Rohár
2022-07-04 13:22           ` Arnd Bergmann
2022-07-04 13:29             ` Pali Rohár
2022-07-04 13:43               ` Arnd Bergmann
2022-07-07  9:56                 ` Christophe Leroy
2022-07-07  9:59                   ` Pali Rohár
2022-07-08 17:14           ` Pali Rohár
2022-07-08 20:06             ` Arnd Bergmann
2022-07-09  9:16             ` Christophe Leroy
2022-07-09 10:23               ` Pali Rohár
2022-07-10 17:38                 ` Christophe Leroy
2022-07-10 17:57                   ` Pali Rohár
2022-07-11 14:20                     ` Christophe Leroy
2022-07-08 17:12         ` Pali Rohár
2022-07-08 20:04           ` Arnd Bergmann
2022-07-09  8:51             ` Christophe Leroy
2022-07-09  9:26             ` Christophe Leroy
2022-07-11 16:14               ` Segher Boessenkool [this message]
2022-07-11 17:32                 ` Christophe Leroy
2022-07-11 21:48                   ` Segher Boessenkool
2022-07-12  9:22                     ` Christophe Leroy
2022-07-12 14:11                       ` Segher Boessenkool

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220711161442.GD25951@gate.crashing.org \
    --to=segher@kernel.crashing.org \
    --cc=arnd@arndb.de \
    --cc=christophe.leroy@csgroup.eu \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=michael@ellerman.id.au \
    --cc=pali@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).