--- /dev/null
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int rs, rt;
+ int dsp;
+ int result;
+
+ rs = 0x11777066;
+ rt = 0x55AA70FF;
+ result = 0x0D;
+ __asm
+ ("cmpu.lt.qb %1, %2\n\t"
+ "rddsp %0\n\t"
+ : "=r"(dsp)
+ : "r"(rs), "r"(rt)
+ );
+ dsp = (dsp >> 24) & 0x0F;
+ assert(dsp == result);
+
+ rs = 0x11777066;
+ rt = 0x11777066;
+ result = 0x00;
+ __asm
+ ("cmpu.lt.qb %1, %2\n\t"
+ "rddsp %0\n\t"
+ : "=r"(dsp)
+ : "r"(rs), "r"(rt)
+ );
+ dsp = (dsp >> 24) & 0x0F;
+ assert(dsp == result);
+
+ return 0;
+}