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Thread: Optimizing Mesa Performance With Compiler Flags

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  1. #13
    Join Date
    Oct 2008
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    Quote Originally Posted by nej_simon View Post
    Then why not use something like -march=i686 -msse -msse2? That would enable gcc to use cmov and sse/sse2 instructions and the binaries would still run on a P4.
    The v2 patch now has these options, and will almost certainly get approved.

    -march=pentium4 -mtune=core2 -mfpmath=sse


    Actually that looks like a typo - the patch comments talk about sse2, but the patch itself just enables sse.
    Last edited by smitty3268; 01-28-2013 at 11:09 PM.

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