[PATCH,rs6000] Add -maltivec={le,be} options
Bill Schmidt
wschmidt@linux.vnet.ibm.com
Tue Jan 7 23:59:00 GMT 2014
On Tue, 2014-01-07 at 22:18 +0000, Joseph S. Myers wrote:
> On Tue, 7 Jan 2014, Bill Schmidt wrote:
>
> > Yes, sorry for not being more clear. This is indeed for interpretation
> > of element numbers in Altivec intrinsics such as vec_splat, vec_extract,
> > vec_insert, and so forth. By default these will match array element
> > order for the target endianness. But with -maltivec=be for a little
> > endian target, we will force use of big-endian element order (matching
> > the behavior of the underlying hardware instructions).
>
> Thanks for the explanation. I think you should make the .texi
> documentation say something more like this.
>
Sure, I can wordsmith something along those lines. Thanks for the
feedback!
Bill
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