linux-kernel - Re: arch/xtensa/include/asm/processor.h:227: Error: unknown opcode or format name 'wer'

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Date:	Tue, 19 Apr 2016 09:43:43 +0800
From:	Philip Li <philip.li@...el.com>
To:	Max Filippov <jcmvbkbc@...il.com>
Cc:	kbuild test robot <fengguang.wu@...el.com>,
	Piet Delaney <piet.delaney@...il.com>, kbuild-all@...org,
	LKML <linux-kernel@...r.kernel.org>,
	Chris Zankel <chris@...kel.net>
Subject: Re: arch/xtensa/include/asm/processor.h:227: Error: unknown opcode
 or format name 'wer'

On Mon, Apr 18, 2016 at 06:52:57PM +0300, Max Filippov wrote:
> Hi Fengguang,
> 
> On Mon, Apr 18, 2016 at 6:29 PM, kbuild test robot
> <fengguang.wu@...el.com> wrote:
> > FYI, the error/warning still remains.
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   c3b46c73264b03000d1e18b22f5caf63332547c9
> > commit: 2c684d892bb2ee31cc48f4a8b91e86a0f15e82f9 xtensa: add Three Core HiFi-2 MX Variant.
> > date:   5 weeks ago
> > config: xtensa-smp_lx200_defconfig (attached as .config)
> > reproduce:
> >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         git checkout 2c684d892bb2ee31cc48f4a8b91e86a0f15e82f9
> >         # save the attached .config to linux build tree
> >         make.cross ARCH=xtensa
> >
> > All errors (new ones prefixed by >>):
> >
> >    arch/xtensa/include/asm/processor.h: Assembler messages:
> >>> arch/xtensa/include/asm/processor.h:227: Error: unknown opcode or format name 'wer'
> >>> arch/xtensa/include/asm/processor.h:227: Error: unknown opcode or format name 'wer'
> >>> arch/xtensa/include/asm/processor.h:227: Error: unknown opcode or format name 'wer'
> 
> As I said before these are not errors in the linux code, that's
> a result of using a compiler not configured for this specific xtensa core.
> 
sorry for the noise Max, let me follow up this in early next week.

> How can I help to fix it?
> 
> -- 
> Thanks.
> -- Max
>