Hi Kewen,
On Wed, Oct 09, 2019 at 02:43:02PM +0800, Kewen.Lin wrote:
> This patch is to lower vec_promote_demote vectorization cost in
> rs6000_builtin_vectorization_cost. It's similar to what we committed
> for vec_perm, the current cost for vec_promote_demote is also
> overpriced for Power8 and
Hi,
This patch is to lower vec_promote_demote vectorization cost in
rs6000_builtin_vectorization_cost. It's similar to what we committed
for vec_perm, the current cost for vec_promote_demote is also
overpriced for Power8 and Power9 since Power8 and Power9 has
supported more units for permute/unpa