1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/iamcu/test_basic_64bit_returning.c b/gcc/testsuite/gcc.target/i386/iamcu/test_basic_64bit_returning.c
new file mode 100644
index 00000000000..ecece94b793
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/iamcu/test_basic_64bit_returning.c
@@ -0,0 +1,57 @@
+#include "defines.h"
+#include "macros.h"
+#include "args.h"
+
+struct IntegerRegisters iregbits = { ~0, ~0, ~0, ~0, ~0, ~0 };
+struct IntegerRegisters iregs;
+unsigned int num_iregs;
+
+long long
+fun_test_returning_long_long (void)
+{
+  volatile_var++;
+  return (long long) 0xabadbeefabadbeefLL;
+}
+
+double
+fun_test_returning_double (void)
+{
+  volatile_var++;
+  return (double) 12345678.0;
+}
+
+union
+{
+  long long ll;
+  double d;
+} test_64;
+
+int
+main (void)
+{
+  unsigned failed = 0;
+  long long ll;
+  double d;
+
+  clear_struct_registers;
+  test_64.ll = 0xabadbeefabadbeefLL;
+
+  ll = WRAP_RET (fun_test_returning_long_long)();
+  if (ll != test_64.ll
+      || (test_64.ll & 0xffffffff) != eax
+      || ((test_64.ll >> 32) & 0xffffffff) != edx)
+    failed++;
+
+  clear_struct_registers;
+  test_64.d = 12345678.0;
+
+  d = WRAP_RET (fun_test_returning_double)();
+  if (d != test_64.d
+      || (test_64.ll & 0xffffffff) != eax
+      || ((test_64.ll >> 32) & 0xffffffff) != edx)
+    printf ("fail double\n"), failed++;
+
+  if (failed)
+    abort ();
+  return 0;
+}