4 ms·

So, if instead of issuing a second bswap instruction, you were to issue an instruction that could go to a different ALU port, you would get that one for (almost

So, if instead of issuing a second bswap instruction, you were to issue an instruction that could go to a different ALU port, you would get that one for (almost) free?

blattimwind 9y ago
If it fits (latency/throughput-wise), yes, unless you clog something else (like the decoder or retirement) with that instruction.