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

2016-02-27 Thread 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/ccxJ

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

2016-02-26 Thread Arnd Bergmann
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