> -Original Message-
> From: Gcc-patches On Behalf Of
> Christophe Lyon via Gcc-patches
> Sent: 11 December 2020 18:37
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH v3 4/4] arm: Auto-vectorization for MVE: vneg
>
> This patch enables MVE vneg instruction
This patch enables MVE vneg instructions for auto-vectorization. MVE
vnegq insns in mve.md are modified to use 'neg' instead of unspec
expression. The neg2 expander is added to vec-common.md.
Existing patterns in neon.md are prefixed with neon_.
It's not clear why we have different patterns for