GCC 7 on ppc64le does not recognize vec_xl_be?

[Jonathan Wakely]

On Sat, 16 Nov 2019 at 22:26, Jeffrey Walton <noloader@gmail.com> wrote:
>
> On Sat, Nov 16, 2019 at 5:19 PM Segher Boessenkool
> <segher@kernel.crashing.org> wrote:
> >
> > On Sat, Nov 16, 2019 at 04:25:18PM -0500, Jeffrey Walton wrote:
> > > On Sat, Nov 16, 2019 at 1:26 PM Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> > > >  ...
> > > The problems with GCC seem to be a little larger then inaccurate docs.
> >
> > The GCC docs are perfectly accurate for this as well.
> >
> > GCC 7 is older than this revision of the ELFv2 specification, and we never
> > backported this feature: only very important features are backported.  It
> > could have made 7.2, over two years ago, but it wasn't considered important
> > enough to backport.
>
> Then you don't understand how search works in 2019 and how users
> search for information. We cannot search for the absence of
> information.

The information is there:
https://gcc.gnu.org/onlinedocs/gcc-7.5.0/gcc/PowerPC-AltiVec_002fVSX-Built-in-Functions.html#PowerPC-AltiVec_002fVSX-Built-in-Functions

That lists the functions enabled by -mcpu=power9 in GCC 7. Stop
reading  the wrong docs.