This redefines vec_shr optab to be the same (in terms of gcc vectors) regardless
of target endianness. The vectorizer uses this to do reductions via shifts, so
also change the vectorizer to shift things always the same way (from the
midend's POV of vectors).
cross-tested check-gcc on (1) aarch
On Wed, Nov 12, 2014 at 6:56 PM, Alan Lawrence wrote:
> This redefines vec_shr optab to be the same (in terms of gcc vectors)
> regardless of target endianness. The vectorizer uses this to do reductions
> via shifts, so also change the vectorizer to shift things always the same
> way (from the mid
