You load register 3 with the return value and perform the function epilogue to restore the stack frame and return.

需要用返回值加载寄存器3并执行函数尾声(epilogue)来恢复堆栈框架并返回。

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Functions create the stack frame during the beginning of the function (called the function prologue) and tear it down at the end of a function (called the function epilogue).

函数在函数开始过程中(称为函数序言(function prologue))创建堆栈帧，并在函数结束时(称为函数尾声(function epilogue))销毁它。

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Functions create the stack frame during the beginning of the function (called the function prologue) and tear it down at the end of a function (called the function epilogue).

函数在函数开始过程中(称为函数序言(function prologue))创建堆栈帧，并在函数结束时(称为函数尾声(function epilogue))销毁它。

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