[dpdk-dev] [PATCH v2 01/17] eal: add max SIMD bitwidth

[Honnappa Nagarahalli]

<snip>

> >
>  > diff --git a/lib/librte_eal/include/rte_eal.h b/lib/librte_eal/include/rte_eal.h
> > > index ddcf6a2e7a..8148f650f2 100644
> > > --- a/lib/librte_eal/include/rte_eal.h
> > > +++ b/lib/librte_eal/include/rte_eal.h
> > > @@ -43,6 +43,13 @@ enum rte_proc_type_t {
> > >  	RTE_PROC_INVALID
> > >  };
> > >
> > > +enum rte_max_simd_t {
> > We could add a RTE_MAX_SIMD = 0. Arm platforms can use this to choose
> SVE.
> >
> 
> Is zero the best value for this? Would setting it to MAX_INT or some other big
> number be better, in terms of comparisons operations, or does that just not
> apply at all with SVE?
I suggested zero as the bitwidth can be specified from the command line. It would be much easier to input zero vs other number.

> 
> > > +	RTE_NO_SIMD = 64,
> > > +	RTE_MAX_128_SIMD = 128,
> > > +	RTE_MAX_256_SIMD = 256,
> > > +	RTE_MAX_512_SIMD = 512
> > > +};
> > > +
>