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用C6455计算代码运行时间的时候，加了#include<c6x.h>,但是编译的时候还是出现TSCH和TSCL没有定义的提示，为什么呢？
加入函数库试试
编译选项中有选择C6000 device之类的么，或者在你的c文件中加入如下定义
extern __cregister volatile unsigned int TSCL;
extern __cregister volatile unsigned int TSCH;
