[LLVMdev] -msse3 can degrade performance

Eli Friedman eli.friedman at gmail.com
Fri Jan 30 19:42:04 PST 2009


On Fri, Jan 30, 2009 at 5:43 PM, Jon Harrop <jon at ffconsultancy.com> wrote:
>
> I just remembered an anomalous result that I stumbled upon whilst tweaking the
> command-line options to llvm-gcc. Specifically, the -msse3 flag

The -msse3 flag?  Does the -msse2 flag have a similar effect?

-Eli



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