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+- Cond:可选的条件码;执行条件,如EQ、NE等。 +- S:可选后缀;若指定S,则根据指令执行结果更新CPSR中的条件码 +- Rd:目标寄存器 +- Rn:存放在第1操作数的寄存器。 +- operand2:第2个操作数。 +- “< >”:“< >”内的项是必需的,例如,是指令助记符,这是必须书写的。 +- “{ }”:“{ }”...