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请问TMS320C6455有寄存器可以直接获取程序运行时间吗？或者有可调用的函数用吗？
谢谢
利用tscl寄存器可以获取。
#include "c6x.h"
... int start, stop;
TSCL = 0; // need to write to it to start counting
start = TSCL;
///... critical code
stop = TSCL;
stop -= start; // stop will have the total number of CPU cycles
