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C6678, 利用CCS5.5软仿遇到的一个问题

通过软仿,实现对外部文件的读数,把.dat文件的数据读进一个数组内,并对该数组进行匹配滤波。

问题出在自己编写的匹配滤波函数内,运行时如下报错:

TMS320C66x_0: Warning: Decode ERROR! Number of parallel instructions exceeding the available number of functional units - opcode (7fffffff) at PC = 0x800b20e0 

请问上述报错是哪里出现了问题?