[PATCH 2/2] powerpc32: add support for csum_add()

[Joakim Tjernlund]

Christophe Leroy <christophe.leroy at c-s.fr> wrote on 2014/09/19 15:57:56:

> +#define HAVE_ARCH_CSUM_ADD
> +static inline __wsum csum_add(__wsum csum, __wsum addend)
> +{
> +    __asm__("\n\
> +   addc %0,%0,%1 \n\
> +   addze %0,%0 \n\
> +   "
> +   : "=r" (csum)
> +   : "r" (addend), "0"(csum));

hmm, I wonder if not this is better written as:
: "+r" (csum): "r" (addend))

  Jocke