[Mesa-dev] [Bug 71547] compilation failure :#error "SSE4.1 instruction set not enabled"

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Nov 12 18:17:59 PST 2013


Matt Turner <mattst88 at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX
                 CC|                            |mattst88 at gmail.com

--- Comment #1 from Matt Turner <mattst88 at gmail.com> ---
You don't need to set your CFLAGS to explicitly disable >SSE3 if your CPU
doesn't support it. -march=native does the right thing. Explicitly disabling
things is the wrong thing to do.

Take a look at the output of "gcc -march=native -Q --help=target" on your
system. Unless it says -msse4.1 is on, you don't need this.

As a Gentoo developer and the author of the patch that your CFLAGS are
breaking: knock it off! :)

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