Spu_mul handles floating point multiplication (single and double precision).

spu_mul处理浮点乘法(单精度和多精度)。

youdao

This causes the device to double the current multiplication factor, reset the alarm using the current timer value as the base, and go back to waiting for the next event.

这造成设备把当前乘数加倍，用当前计时器的值作为基值重新设置闹钟，然后返回，继续等候下一个事件。

youdao