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Unverified Commit 93f26428 authored by Roman Lebedev's avatar Roman Lebedev
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[X86] AMD Zen 3: same-reg AVX YMM VPSUB{B,W,D,Q} is a zero-cycle(!) dep-breaking zero-idiom 

As confirmed by the exegesis measurements, and ref docs.
parent 7a45b96e
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