1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/sso-6.c b/gcc/testsuite/gcc.dg/sso-6.c
new file mode 100644
index 00000000000..48759b41e52
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/sso-6.c
@@ -0,0 +1,72 @@
+/* Test support of scalar_storage_order pragma */
+
+/* { dg-do run } */
+
+#pragma scalar_storage_order /* { dg-warning "missing .big-endian.little-endian.default." } */
+
+#pragma scalar_storage_order big-endian
+
+struct S1
+{
+  int i;
+};
+
+struct __attribute__((scalar_storage_order("little-endian"))) S2
+{
+  int i;
+};
+
+#pragma scalar_storage_order little-endian
+
+struct S3
+{
+  int i;
+};
+
+struct __attribute__((scalar_storage_order("big-endian"))) S4
+{
+  int i;
+};
+
+#pragma scalar_storage_order default
+
+struct S5
+{
+  int i;
+};
+
+#pragma scalar_storage_order other /* { dg-warning "expected .big-endian.little-endian.default." } */
+
+struct S1 my_s1 = { 0x12345678 };
+struct S2 my_s2 = { 0x12345678 };
+struct S3 my_s3 = { 0x12345678 };
+struct S4 my_s4 = { 0x12345678 };
+struct S5 my_s5 = { 0x12345678 };
+
+unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 };
+unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 };
+
+int main (void)
+{
+  if (__builtin_memcmp (&my_s1, &big_endian_pattern, 4) != 0)
+    __builtin_abort ();
+
+  if (__builtin_memcmp (&my_s2, &little_endian_pattern, 4) != 0)
+    __builtin_abort ();
+
+  if (__builtin_memcmp (&my_s3, &little_endian_pattern, 4) != 0)
+    __builtin_abort ();
+
+  if (__builtin_memcmp (&my_s4, &big_endian_pattern, 4) != 0)
+    __builtin_abort ();
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+  if (__builtin_memcmp (&my_s5, &little_endian_pattern, 4) != 0)
+    __builtin_abort ();
+#else
+  if (__builtin_memcmp (&my_s5, &big_endian_pattern, 4) != 0)
+    __builtin_abort ();
+#endif
+
+  return 0;
+}