[Bug libc/19154] chip vendor who is not "GenuineIntel" or "AuthenticAMD" can not use SSE/AVX optimized functions.

fweimer at redhat dot com sourceware-bugzilla@sourceware.org
Thu Mar 16 08:34:00 GMT 2017


https://sourceware.org/bugzilla/show_bug.cgi?id=19154

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
                 CC|                            |fweimer at redhat dot com
         Resolution|---                         |WORKSFORME

--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
I don't think it makes sense to keep this bug open.

We don't know if other vendors use the exact same feature bits as Intel and
AMD.  So checking the vendor name is safer.  If we didn't do that and there's a
CPU out there which reinterprets feature bits, glibc might not work at all.

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