--- /dev/null
+#include"io.h"
+
+int main()
+{
+ long long rd, rs, rt;
+ long long result;
+
+ rs = 0x12345678;
+ rt = 0x87654321;
+ result = 0x34786521;
+
+ __asm
+ ("precr.qb.ph %0, %1, %2\n\t"
+ : "=r"(rd)
+ : "r"(rs), "r"(rt)
+ );
+ if (result != rd) {
+ printf("precr.qb.ph error\n");
+ return -1;
+ }
+
+ return 0;
+}