From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Mans Rullgard <mans@mansr.com>,
Haavard Skinnemoen <hskinnemoen@gmail.com>,
Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
Guenter Roeck <linux@roeck-us.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] avr32: fix asm operand constraint in cmpxchg()
Date: Thu, 10 Mar 2016 23:09:32 +0530 [thread overview]
Message-ID: <56E1B154.8000907@gmail.com> (raw)
In-Reply-To: <1457619829-27105-1-git-send-email-mans@mansr.com>
On Thursday 10 March 2016 07:53 PM, Mans Rullgard wrote:
> If the 'old' operand to cmpxchg() is a constant wider than 21 bits,
> linking fails with a "relocation truncated to fit: R_AVR32_21S" error.
>
> Fix this by replacing the "i" constraint with "Ks21" which makes the
> compiler use a temporary register for out of range constants.
>
> Signed-off-by: Mans Rullgard <mans@mansr.com>
build log at: https://gitlab.com/sudipm/linux-next/builds/839572
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
regards
sudip
prev parent reply other threads:[~2016-03-10 17:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-10 14:23 [PATCH] avr32: fix asm operand constraint in cmpxchg() Mans Rullgard
2016-03-10 14:26 ` Hans-Christian Noren Egtvedt
2016-03-10 15:26 ` Andy Shevchenko
2016-03-10 17:39 ` Sudip Mukherjee [this message]
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