Re: [PATCH 1/2] lib/mpi: avoid assembler warning

[Herbert Xu]

On Fri, Feb 26, 2016 at 01:46:26PM +0100, Arnd Bergmann wrote:
> A wrapper around the umull assembly instruction might reuse
> the input register as an output, which is undefined on
> some ARM machines, as pointed out by this assembler warning:
> 
>   CC      lib/mpi/generic_mpih-mul1.o
> /tmp/ccxJuxIy.s: Assembler messages:
> /tmp/ccxJuxIy.s:53: rdhi, rdlo and rm must all be different
>   CC      lib/mpi/generic_mpih-mul2.o
> /tmp/ccI0scAD.s: Assembler messages:
> /tmp/ccI0scAD.s:53: rdhi, rdlo and rm must all be different
>   CC      lib/mpi/generic_mpih-mul3.o
> /tmp/ccMvVQcp.s: Assembler messages:
> /tmp/ccMvVQcp.s:53: rdhi, rdlo and rm must all be different
> 
> This changes the constraints to force different registers to
> be used as output.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Both applied.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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