James Cloos <cloos@xxxxxxxxxxx> writes: >>>>>> "ILT" == Ian Lance Taylor <iant@xxxxxxxxxx> writes: > > ILT> Marc Glisse <marc.glisse@xxxxxxxx> 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
