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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/100009] [9 Regression] -march=native doesn't work on
 tigerlake
Date: Thu, 15 Apr 2021 09:38:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100009

--- Comment #5 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #3)
> > Response from Jim Wilson:=20
> > Looks like a bug in gcc-9.  tigerlake was added to
> > gcc/config/i386/driver-i386.c but not to the arch_names_table in i386.c=
.  I
> > would suggest filing a bug report.  I don't think there is a way to
> > workaround this.  It needs to be fixed in the gcc source tree.
>=20
> Oops,
> will backport r10-2664-ga9fcfec30f70c30883f53d4b1bd533fbea0e9fb2 (tigerla=
ke
> part) to gcc9.

Fixed by r9-9351=