LGTM.
juzhe.zh...@rivai.ai
From: Richard Biener
Date: 2022-10-14 15:07
To: Richard Sandiford
CC: Andrew Stubbs; gcc-patches; juzhe.zhong
Subject: Re: [PATCH][RFT] Vectorization of first-order recurrences
On Tue, 11 Oct 2022, Richard Sandiford wrote:
> Richard Biener writes:
> > On Mon, 10 O
RVV also doesn't have a two-input permutation instructions (unlike ARM SVE has
tbl instructions) and
RVV needs about 4 instructions to handle this permutation, it still improve
performance a lot.
I think backend should handle this. Because this first-order recurrence loop
vectorizer always gene