--- /dev/null
+#include <stdio.h>
+#include <assert.h>
+
+int main(void)
+{
+ int value, rd;
+ int *p;
+ unsigned long addr, index;
+ int result;
+
+ value = 0xBCDEF389;
+ p = &value;
+ addr = (unsigned long)p;
+ index = 0;
+ result = value & 0xFF;
+ __asm
+ ("lbux %0, %1(%2)\n\t"
+ : "=r"(rd)
+ : "r"(index), "r"(addr)
+ );
+
+ assert(rd == result);
+
+ return 0;
+}