33 lines
681 B
C
33 lines
681 B
C
|
#include "io.h"
|
||
|
|
||
|
int main(void)
|
||
|
{
|
||
|
long long achi, acli, rs, rt;
|
||
|
long long acho, aclo;
|
||
|
long long resulth, resultl;
|
||
|
|
||
|
rs = 0x00BBAACC;
|
||
|
rt = 0x0B1C3D2F;
|
||
|
achi = 0x00004433;
|
||
|
acli = 0xFFCC0011;
|
||
|
resulth = 0xFFFFFFFFFFF81F29;
|
||
|
resultl = 0xFFFFFFFFB355089D;
|
||
|
|
||
|
__asm
|
||
|
("mthi %2, $ac1\n\t"
|
||
|
"mtlo %3, $ac1\n\t"
|
||
|
"msubu $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 ((acho != resulth) || (aclo != resultl)) {
|
||
|
printf("msubu wrong\n");
|
||
|
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|