[dpdk-dev] [EXT] [PATCH v3 1/3] eal/arm64: add 128-bit atomic compare exchange

[Eads, Gage]

> > > > > +/**
> > > > > + * 128-bit integer structure.
> > > > > + */
> > > > > +RTE_STD_C11
> > > > > +typedef struct {
> > > > > +	RTE_STD_C11
> > > > > +	union {
> > > > > +		uint64_t val[2];
> > > > > +		__extension__ __int128 int128;
> >
> > Instead of guarding  RTE_ARCH_64 on this complete structure, How about
> > it only under #ifdef RTE_ARCH_64 __extension__ __int128 int128; #endif
> > So that it rte_int128_t will be available for 32bit as well.
> 
> Agree, it should be work. But I am not sure.
> 
> Hi Gage,
> 
> How do you think about this?
> 

I don't see any harm in that.