machine instruction

基本解释

The compiler will after all very likely compile the above assignment into a single machine instruction.
編譯器極有可能把上述賦值語句編譯成一條機器指令。
As we described earlier, an uncontested lock operation involves some setup and an atomic machine instruction.
如前所述，無爭用鎖定操作涉及了一些設置和一個原子機器指令。
First, you shouldn't assume that the above assignment would be compiled as a single machine instruction unless you personally verify the machine code yourself.
首先，不應該假定上述賦值語句一定會被編譯成一條機器指令，除非親自騐証了機器代碼。