请问,
第一个方框的四个数是如何放进A2的,用什么指令?
如何取出A9中的四个数?用return返回吗?
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例子如下:
#include <c6x.h>
void func()
{
unsigned int a, b, c;
a = XXXXXXXX;
b = XXXXXXXX;
c = _subabs4(a,b);
}
所有内嵌指令需要参考SPRU187文档,这个文档在你按照的编译器的doc路径下,比如我的电脑中的路径是C:\ti\C6000 Code Generation Tools 7.4.0\doc