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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Thu, 12 Aug 2021 10:35:47 -0700
Message-ID: <CAMe9rOpEeTDd2cq70oWS3D3r6CMzEjBbv1z-L=MxRQJR0j+ssg@mail.gmail.com>
Subject: Re: [PATCH] i386: support micro-levels in target{,
 _clone} attrs [PR101696]
To: =?UTF-8?Q?Martin_Li=C5=A1ka?= <mliska@suse.cz>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
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On Thu, Aug 12, 2021 at 8:31 AM Martin Li=C5=A1ka <mliska@suse.cz> wrote:
>
> On 8/12/21 5:26 PM, H.J. Lu wrote:
> > Will it hurt if they have proper feature_priorities you added?
>
> No. They are unused, by we should use the proper priorities.
>
> Martin

+      const char *arch_name =3D attrs_str + strlen ("arch=3D");
+      if (startswith (arch_name, "x86-64"))
+ {
+   arg_str =3D arch_name;
+   builtin_fn =3D IX86_BUILTIN_CPU_SUPPORTS;
+   if (strcmp (arch_name, "x86-64") =3D=3D 0)
+     priority =3D P_X86_64_BASELINE;
+   else if (strcmp (arch_name, "x86-64-v2") =3D=3D 0)
+     priority =3D P_X86_64_V2;
+   else if (strcmp (arch_name, "x86-64-v3") =3D=3D 0)
+     priority =3D P_X86_64_V3;
+   else if (strcmp (arch_name, "x86-64-v4") =3D=3D 0)
+     priority =3D P_X86_64_V4;

What happens for arch=3Dx86-64-v5?

+ }

--=20
H.J.