linux-kernel - Re: [BISECT] ARM build errors on GCC v6.2 (crypto: arm/aes

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Date:   Sat, 14 Jan 2017 20:52:15 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Russell King - ARM Linux <linux@...linux.org.uk>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-next@...r.kernel.org, davem@...emloft.net,
        linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [BISECT] ARM build errors on GCC v6.2 (crypto: arm/aes - replace
 scalar AES cipher)

On Sat, Jan 14, 2017 at 06:20:12PM +0000, Russell King - ARM Linux wrote:
> On Sat, Jan 14, 2017 at 04:24:35PM +0200, Krzysztof Kozlowski wrote:
> > Hi,
> > 
> > allyesconfig and multi_v7_defconfig fail to build on recent linux-next
> > on GCC 6.2.0.
> > 
> > Errors:
> > ../arch/arm/crypto/aes-cipher-core.S: Assembler messages:
> > ../arch/arm/crypto/aes-cipher-core.S:21: Error: selected processor does not support `tt .req ip' in ARM mode
> > ../arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `movw tt,#:lower16:crypto_ft_tab'
> > ../arch/arm/crypto/aes-cipher-core.S:174: Error: ARM register expected -- `movt tt,#:upper16:crypto_ft_tab'
> > 
> > Compiler: arm-linux-gnueabi-gcc (Ubuntu 6.2.0-5ubuntu12) 6.2.0 20161005
> 
> It's worth pointing out that _assembler_ messages come from _binutils_
> rather than _gcc_.   Please advise which version of _binutils_ you
> are using.  Thanks.

Ah, yes, so the binutils 2.27 (Ubuntu package: 2.27-8ubuntu2).

However Ard mentioned that this is already fixed.

Best regards,
Krzysztof