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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/99941] m_ALDERLAKE is missing from m_CORE_AVX2
Date: Wed, 07 Apr 2021 03:17:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99941

--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to H.J. Lu from comment #0)
> i386-options.c has
>=20
> #define m_ALDERLAKE (HOST_WIDE_INT_1U<<PROCESSOR_ALDERLAKE)
> #define m_CORE_AVX512 (m_SKYLAKE_AVX512 | m_CANNONLAKE \
>                        | m_ICELAKE_CLIENT | m_ICELAKE_SERVER | m_CASCADEL=
AKE
> \
>                        | m_TIGERLAKE | m_COOPERLAKE | m_SAPPHIRERAPIDS)
> #define m_CORE_AVX2 (m_HASWELL | m_SKYLAKE | m_CORE_AVX512)
>=20
> Should m_CORE_AVX2 include m_ALDERLAKE?

Let's adding m_ALDERLAKE to m_CORE_AVX2 first, if we want to do some balance
for small core and remove some tunes, we just need to mask off m_ALDERLAKE =
for
that specific tune.=