diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/s390/frame-addr2.c')
-rw-r--r-- | gcc/testsuite/gcc.target/s390/frame-addr2.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/s390/frame-addr2.c b/gcc/testsuite/gcc.target/s390/frame-addr2.c new file mode 100644 index 000000000..f6f9687a0 --- /dev/null +++ b/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; +} |