--- /dev/null
+#include "io.h"
+
+int main(void)
+{
+ long long value, rd;
+ long long *p;
+ unsigned long long addr, index;
+ long long result;
+
+ value = 0xBCDEF389;
+ p = &value;
+ addr = (unsigned long long)p;
+ index = 0;
+ result = 0xBCDEF389;
+ __asm
+ ("ldx %0, %1(%2)\n\t"
+ : "=r"(rd)
+ : "r"(index), "r"(addr)
+ );
+ if (rd != result) {
+ printf("lwx wrong\n");
+
+ return -1;
+ }
+
+ return 0;
+}