[LLVMdev] Generate scalar SSE instructions instead of packed instructions

[Nadav Rotem]

You can change the input LLVM-IR. 

On Feb 21, 2013, at 7:16 AM, "Nowicki, Tyler" <tyler.nowicki at intel.com> wrote:

> Hi,
>  
> I am interested in evaluating the performance of packed vs scalar double-precision floating point instructions on x86-atom and I was wondering if anyone knows more precisely where to modify llvm to use one or the other. I know I probably need to change something in the type legalizer. Could anyone provide more details than that?
>  
> Thanks,
>  
> Tyler
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