1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/compat/struct-align-2.h b/gcc/testsuite/gcc.dg/compat/struct-align-2.h
new file mode 100644
index 000000000..f94fe57e1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/struct-align-2.h
@@ -0,0 +1,75 @@
+/* Define several variants of struct epoll_event from the Linux kernel,
+   specifying various attributes that affect alignment and size.
+ 
+   This test was developed for systems for which int is 32 bits and
+   long long is 64 bits; it might need to be disabled for systems where
+   either of those is not true.  */
+
+#define DESC_orig "original"
+struct epoll_event_orig {
+  unsigned int events;
+  unsigned long long data;
+};
+
+#ifndef SKIP_ATTRIBUTE
+#define DESC_structmax "maximum useful struct alignment"
+struct epoll_event_structmax {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((aligned));
+
+
+#define DESC_struct4 "4-byte struct alignment"
+struct epoll_event_struct4 {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((aligned(4)));
+
+#define DESC_struct8 "8-byte struct alignment"
+struct epoll_event_struct8 {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((aligned(8)));
+
+#define DESC_data4 "4-byte alignment for data"
+struct epoll_event_data4 {
+  unsigned int events;
+  unsigned long long data __attribute__ ((aligned(4)));
+};
+
+#define DESC_data8 "8-byte alignment for data"
+struct epoll_event_data8 {
+  unsigned int events;
+  unsigned long long data __attribute__ ((aligned(8)));
+};
+
+#define DESC_p "packed attribute"
+struct epoll_event_p {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((packed));
+
+#define DESC_pstruct4 "packed attribute, 4-byte struct alignment"
+struct epoll_event_pstruct4 {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((packed)) __attribute__ ((aligned(4)));
+
+#define DESC_pstruct8 "packed attribute, 8-byte struct alignment"
+struct epoll_event_pstruct8 {
+  unsigned int events;
+  unsigned long long data;
+} __attribute__ ((packed)) __attribute__ ((aligned(8)));
+
+#define DESC_pdata4 "packed attribute, 4-byte alignment for data"
+struct epoll_event_pdata4 {
+  unsigned int events;
+  unsigned long long data __attribute__ ((aligned(4)));
+} __attribute__ ((packed));
+
+#define DESC_pdata8 "packed attribute, 8-byte alignment for data"
+struct epoll_event_pdata8 {
+  unsigned int events;
+  unsigned long long data __attribute__ ((aligned(8)));
+} __attribute__ ((packed));
+#endif