--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/powerpc/cfuged-1.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,50 @@
+/* { dg-do run } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-require-effective-target powerpc_future_hw } */
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+extern void abort (void);
+
+unsigned long long int
+do_cfuged (unsigned long long int source, unsigned long long int mask)
+{
+  return __builtin_cfuged (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+  unsigned long long int sources [4], masks [4];
+  unsigned long long int results [4][4] = {
+    /* sources[0] with each of masks [0 .. 3] */
+    {0x7e3ca5f0ll, 0xa5f07e3cll, 0xaf7350ecll, 0x50ecaf73ll },
+    /* sources[1] with each of masks [0 .. 3] */
+    { 0xa5f07e3cll,  0x7e3ca5f0ll, 0x73afec50ll, 0xec5073afll },
+    /* sources[2] with each of masks [0 .. 3] */
+    { 0xf07e3ca5ll, 0x3ca5f07ell, 0x3af7c50ell, 0xc50e3af7ll },
+    /* sources[3] with each of masks [0 .. 3] */
+    { 0xe7c35a0fll, 0x5a0fe7c3ll, 0x50ecaf73ll, 0xaf7350ecll },
+  };
+
+  sources[0] = 0xa5f07e3cll;
+  sources[1] = 0x7e3ca5f0ll;
+  sources[2] = 0x3ca5f07ell;
+  sources[3] = 0x5a0fe7c3ll;
+
+  masks[0] = 0xffff0000ll;
+  masks[1] = 0x0000ffffll;
+  masks[2] = 0x0f0f0f0fll;
+  masks[3] = 0xf0f0f0f0ll;
+
+  unsigned long long int result;
+
+  for (int i = 0; i < 4; i++)
+    {
+      for (int j = 0; j < 4; j++)
+	{
+	  if (do_cfuged (sources[i], masks[j]) != results [i][j])
+	    abort ();
+	}
+    }
+
+  return 0;
+}