[PATCH] rs6000, vec_popcntd is improperly defined in altivec.h

[Segher Boessenkool]

Hi!

On Fri, Aug 28, 2020 at 08:08:05AM -0700, Carl Love wrote:
> The defines for vec_popcnt, bvec_popcnth, vec_popcntw, vec_popcntd in
> gcc/config/rs6000/altivec.h are not listed in the Power 64-Bi ELF V2
> ABI specification revision 1.4, May 10, 2017.  They are not used by any
> of the regression tests.

(s/Bi/Bit/, in addition to what Will found)

There is vec_vpopcntb etc. (note the "v"), maybe that confused things?

> They also do not work as reported in:
> 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85830
> 
> The following patch removes the unsupported defines for the builtin
> functions.

Okay for trunk, and okay for any backports you think is good.  Thanks!


Segher