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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/s390/frame-addr2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/s390/frame-addr2.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/s390/frame-addr2.c b/gcc-4.9/gcc/testsuite/gcc.target/s390/frame-addr2.c
new file mode 100644
index 000000000..f6f9687a0
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/s390/frame-addr2.c
@@ -0,0 +1,50 @@
+/* builtin_frame_address(n) with n>0 has always been troublesome. */
+
+/* { dg-do run } */
+/* { dg-options "-O3 -fno-optimize-sibling-calls -mbackchain" } */
+
+#ifdef __s390x__
+#define SAVE_AREA_SIZE 160
+#else
+#define SAVE_AREA_SIZE 96
+#endif
+extern void abort(void);
+
+#define EXPAND_CHECK(n) \
+ void __attribute__((noinline)) \
+ foo1_##n (void *p) \
+ { \
+ if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE) \
+ abort (); \
+ } \
+ void __attribute__((noinline)) \
+ foo2_##n (void *p) \
+ { \
+ if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE) \
+ abort (); \
+ foo1_##n (__builtin_frame_address (n)); \
+ } \
+ void __attribute__((noinline)) \
+ foo3_##n () \
+ { \
+ foo2_##n (__builtin_frame_address (n)); \
+ } \
+ void __attribute__((noinline)) \
+ foo4_##n () \
+ { \
+ foo3_##n (); \
+ }
+
+EXPAND_CHECK (0)
+EXPAND_CHECK (1)
+EXPAND_CHECK (2)
+
+int
+main ()
+{
+ foo4_0 ();
+ foo4_1 ();
+ foo4_2 ();
+
+ return 0;
+}