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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/110788] Spilling to mask register for GPR vec_duplicate
Date: Thu, 27 Jul 2023 13:55:36 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110788

--- Comment #4 from Hongtao.liu <crazylht at gmail dot com> ---

>         kmovw   %edx, %k0
>         vpbroadcastmw2d %k0, %xmm1
>=20
> instead of
>=20
>         vpbroadcastw    %edx, %xmm1
>=20

It's not vpbroadcastw, it's
   movzwl  %dx, %ecx
   vpbroadcastd    %ecx, %xmm0.

And non-kmask version should be better.=