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#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;
}
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