(triggered again) On 01/18/2017 12:33 AM, Sergey Melnikov wrote: > mov (%rax), %rbx > cmp %rbx, %rdx > jxx Lxxx > > But if you schedule them this way > > mov (%rax), %rbx > cmp %rbx, %rdx > ... few instructions > jxx Lxxx
...doesn't this give up on macro-fusion, and effectively sets up for a better chance of a "bottleneck in instruction fetch/decode phases"? :) -Aleksey -- You received this message because you are subscribed to the Google Groups "mechanical-sympathy" group. To unsubscribe from this group and stop receiving emails from it, send an email to mechanical-sympathy+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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