--- /dev/null
+#include "io.h"
+
+int main(void)
+{
+ long long rs, rt;
+ long long ach = 5, acl = 5;
+ long long resulth, resultl;
+
+ rs = 0x7878878888886666;
+ rt = 0x9865454399998888;
+
+ resulth = 0x04;
+ resultl = 0xFFFFFFFFFFFeF115;
+
+ __asm
+ ("mthi %0, $ac1\n\t"
+ "mtlo %1, $ac1\n\t"
+ "dpsu.h.obr $ac1, %2, %3\n\t"
+ "mfhi %0, $ac1\n\t"
+ "mflo %1, $ac1\n\t"
+ : "+r"(ach), "+r"(acl)
+ : "r"(rs), "r"(rt)
+ );
+
+ if ((ach != resulth) || (acl != resultl)) {
+ printf("dpsu.h.qbr wrong\n");
+
+ return -1;
+ }
+
+ return 0;
+}