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155213040
2013 Feb 21
0
[LLVMdev] Generate scalar SSE instructions instead of packed instructions
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2013 Feb 21
2
[LLVMdev] Generate scalar SSE instructions instead of packed instructions
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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