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忍不住给你竖起大拇指!,,,,,牛逼!!!!相关答案在这个文档(TMS320C28x CPU and Instruction Set
Reference Guide)的75页,,,插入这个指令目的是防止上下指令对同一个寄存器操作引起冲突。但我这里的指令貌似并没有冲突,不知是不是只要是内插汇编,编译器都是一杆子一条船。