On Wed, Feb 9, 2022 at 10:53 AM H.J. Lu via Gcc-patches
wrote:
>
> commit 9775e465c1fbfc32656de77c618c61acf5bd905d
> Author: H.J. Lu
> Date: Tue Jul 27 07:46:04 2021 -0700
>
> x86: Don't set AVX_U128_DIRTY when zeroing YMM/ZMM register
>
> called ix86_check_avx_upper_register to check mode
commit 9775e465c1fbfc32656de77c618c61acf5bd905d
Author: H.J. Lu
Date: Tue Jul 27 07:46:04 2021 -0700
x86: Don't set AVX_U128_DIRTY when zeroing YMM/ZMM register
called ix86_check_avx_upper_register to check mode on source operand.
But ix86_check_avx_upper_register doesn't work on source op