> Note that I benchmarked -ftree-slp-vectorize separately before and > results was hit/miss, so perhaps enabling only -ftree-vectorize would > give better compile time tradeoffs. I was worried of partial memory > stalls, but I will benchmark it and also benchmark difference between > cost models.
; Alias to enable both -ftree-loop-vectorize and -ftree-slp-vectorize. ftree-vectorize Common Report Optimization Enable vectorization on trees. -- Eric Botcazou