AVX types: __m256d versus __v4sd

[Ian Lance Taylor]

James Cloos <cloos@jhcloos.com> writes:

>>>>>> "ILT" == Ian Lance Taylor <iant@google.com> writes:
>
> ILT> Marc Glisse <marc.glisse@inria.fr> writes:
>>> On the other hand, Intel only documents __m256d (the may_alias
>>> version), so portability says to use that one.
>
> ILT> Yes.
>
> Does that also apply for the __m128 types?

Yes.

> If so, do the current info docs (I've only looked at 4.6 and earlier)
> document that?  Should they be updated to do so?

The gcc documentation does not document the use of the Intel
intrinsics.  They are documented by Intel.

I would not be opposed to documenting these intrinsics in the gcc docs,
but there is nothing there at present.

Ian