Re: [PATCH] avr32: fix asm operand constraint in cmpxchg()

From	Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] avr32: fix asm operand constraint in cmpxchg()
Date	2016-03-10 18:50 +0100
Message-ID	<rbcSM-1Wa-29@gated-at.bofh.it> (permalink)
References	<rb9Lc-89a-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] avr32: fix asm operand constraint in cmpxchg() Mans Rullgard <mans@mansr.com> - 2016-03-10 15:30 +0100
  Re: [PATCH] avr32: fix asm operand constraint in cmpxchg() Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-03-10 16:30 +0100
  Re: [PATCH] avr32: fix asm operand constraint in cmpxchg() Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-03-10 18:50 +0100

csiph-web