1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#include "io.h"
int main(void)
{
long long rt, rs;
long long achi, acli;
long long acho, aclo;
long long resulth, resultl;
achi = 0x05;
acli = 0xB4CB;
rs = 0x01;
rt = 0x01;
resulth = 0x05;
resultl = 0xB4CC;
__asm
("mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"madd $ac1, %4, %5\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
: "=r"(acho), "=r"(aclo)
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
);
if ((resulth != acho) || (resultl != aclo)) {
printf("maddu wrong\n");
return -1;
}
return 0;
}
|
