[llvm-commits] PSHUFD over VPERMIL
Nadav Rotem
nrotem at apple.com
Thu Dec 6 14:48:56 PST 2012
Hi,
I attached a patch that changes the lowering of shuffles to prefer using PSHUFD over VPERMIL. According to the Sandybridge manual PSHUFD has better throughput.
Thanks,
Nadav
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