浮点寄存器，80486微处理器的浮点寄存器是由80486处理器芯片集成的浮点处理单元（FPU）来完成的，
同理，浮点值是通过浮点寄存器1到13传递的。
Likewise, floating-point values are passed through the floating-point registers 1 through 13.
它有单独的浮点寄存器，可以从低端工作站扩展到高端工作站。
It had separate floating point registers and could scale from the low - to the high-end workstations.
内核从中断返回，并且应用程序的上面的浮点寄存器之一被破坏。
Kernel returns from interrupt, and one of the application's upper floating-point registers is destroyed.
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