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#include "io.h"
int main(void)
{
long long rd, rs, rt, dspreg, result, dspresult;
rs = 0x1111111111111111;
rt = 0x2222222222222222;
result = 0x1111111111111111;
dspresult = 0x00;
__asm("subu_s.qh %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dspreg)
: "r"(rs), "r"(rt)
);
dspreg = ((dspreg >> 20) & 0x01);
if ((rd != result) || (dspreg != dspresult)) {
printf("subu_s.qh error\n\t");
return -1;
}
rs = 0x8888888888888888;
rt = 0xa888a888a888a888;
result = 0x0000000000000000;
dspresult = 0x01;
__asm("subu_s.qh %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dspreg)
: "r"(rs), "r"(rt)
);
dspreg = ((dspreg >> 20) & 0x01);
if ((rd != result) || (dspreg != dspresult)) {
printf("subu_s.qh error\n\t");
return -1;
}
return 0;
}
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