c6000中16位数与+1,-1做大量相关运算有没有什么好的指令实现高倍并行和流水?有没有指令可以不做那么多次乘法直接判断正负号,只改变16位数的符号然后把所有16位数加起来?有没有类似的相关运算的例程?谢谢解答
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