Re: [PATCH] Optimize 128-bit vector permutation with pand, pandn and por.

On Wed, Nov 20, 2024 at 8:03 PM Cui, Lili wrote: > > Hi, all > > This patch aims to handle certain vector shuffle operations using pand, pandn > and por more efficiently. > > Bootstrapped and regtested on x86_64-pc-linux-gnu, OK for trunk? Although it's stage 3, I think this one is low risk, so O

[PATCH] Optimize 128-bit vector permutation with pand, pandn and por.

Hi, all This patch aims to handle certain vector shuffle operations using pand, pandn and por more efficiently. Bootstrapped and regtested on x86_64-pc-linux-gnu, OK for trunk? Regards, Lili. This patch introduces a new subroutine in ix86_expand_vec_perm_const_1. On x86, use mixed constant pe