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[X86][SLM] Fix DIVPD/DIVPS/RCPPS/RSQRTPS/SQRTPD/SQRTPS/DPPD/DPPS uops…
…, latency and throughput The packed variants of the instructions had been modelled as the same as the scalar variants. Reported during a run of llvm-exegesis on a cheap SLM box and matches what Agner / InstLatX64 report as well.
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