How can I find the micro-ops which instructions on Intel's x86 CPUs decode to?

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慢半拍i
慢半拍i 2021-02-01 20:53

The Intel Optimization Reference, under Section 3.5.1, advises:

\"Favor single-micro-operation instructions.\"

\"Avoid using complex instructions (for example, e

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  •  一整个雨季
    2021-02-01 21:34

    Agner Fog's PDF document on x86 instructions (linked off of the main page Hans cites) is the only reference I've found on instruction timings and micro-ops. I've never seen an Intel document on micro-op breakdown.

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