53 lines
1011 B
C
53 lines
1011 B
C
|
#include "io.h"
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
long long achi, acli;
|
||
|
|
long long acho, aclo;
|
||
|
|
long long reshi, reslo;
|
||
|
|
|
||
|
|
achi = 0x87654321;
|
||
|
|
acli = 0x12345678;
|
||
|
|
|
||
|
|
reshi = 0xfffffffff8765432;
|
||
|
|
reslo = 0x1234567;
|
||
|
|
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"dshilo $ac1, 0x4\n\t"
|
||
|
|
"mfhi %0, $ac1\n\t"
|
||
|
|
"mflo %1, $ac1\n\t"
|
||
|
|
: "=r"(acho), "=r"(aclo)
|
||
|
|
: "r"(achi), "r"(acli)
|
||
|
|
);
|
||
|
|
|
||
|
|
if ((acho != reshi) || (aclo != reslo)) {
|
||
|
|
printf("1 dshilo error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
achi = 0x87654321;
|
||
|
|
acli = 0x12345678;
|
||
|
|
|
||
|
|
reshi = 0x1234567;
|
||
|
|
reslo = 0x00;
|
||
|
|
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"dshilo $ac1, -60\n\t"
|
||
|
|
"mfhi %0, $ac1\n\t"
|
||
|
|
"mflo %1, $ac1\n\t"
|
||
|
|
: "=r"(acho), "=r"(aclo)
|
||
|
|
: "r"(achi), "r"(acli)
|
||
|
|
);
|
||
|
|
|
||
|
|
if ((acho != reshi) || (aclo != reslo)) {
|
||
|
|
printf("2 dshilo error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|