--- /dev/null
+#include "io.h"
+
+int main(void)
+{
+ long long rd, rs, rt, result, dsp, dspresult;
+ rt = 0x80003698CE8F9201;
+ rs = 0x800034634BCDE321;
+ result = 0x7fff16587a530313;
+
+ dspresult = 0x01;
+
+ __asm
+ ("mulq_rs.qh %0, %2, %3\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rd), "=r"(dsp)
+ : "r"(rt), "r"(rs)
+ );
+
+ if (rd != result) {
+ printf("mulq_rs.qh error\n");
+
+ return -1;
+ }
+
+ dsp = (dsp >> 21) & 0x01;
+ if (dsp != dspresult) {
+ printf("mulq_rs.qh DSPControl Reg ouflag error\n");
+
+ return -1;
+ }
+
+ return 0;
+}