I know mov is cheap is sometimes a no-op, but... wtaf is going on here?? Yes, let's rotate these 4 registers up rbp->r13->r14->rbx->rcx then do a load from memory with address in rbp then rotate everything back down rbp<-r13<-r14<-rbx<-rcx ??? Must `vpbroadcastq`'s address be relative to rbp?

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