[pve-devel] [PATCH v4 qemu-server 1/1] cpuconfig: add new x86-64-vX models
DERUMIER, Alexandre
alexandre.derumier at groupe-cyllene.com
Wed Jun 7 17:29:44 CEST 2023
>
> > But couldn't find from which models onward xsave is supported from
> > a
> > quick search.
> >
> you could find it here:
> https://github.com/qemu/qemu/blob/master/target/i386/cpu.c
>
> CPUID_EXT_XSAVE
>
> > = intel sandybridge
>
> > = amd Opteron_G4
>
>
> so for -v3 & -v4 models, it's not a problem.
>
>
>
>
more references in gcc
i386: Add support for x86-64-v2, x86-64-v3, x86-64-v4 levels for x86-64
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=324bec558e95584e8c1997575ae9d75978af59f1
with flags for
v2:
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=324bec558e95584e8c1997575ae9d75978af59f1#patch5
v3:
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=324bec558e95584e8c1997575ae9d75978af59f1#patch8
v4:
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=324bec558e95584e8c1997575ae9d75978af59f1#patch9
also the list of supported extensions by cpumodel is available here:
https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
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