diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c b/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c new file mode 100644 index 000000000..e028166b6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c @@ -0,0 +1,37 @@ +/* Origin: hp@bitrange.com + Test that return values come out right from a 1000-level call chain to + functions without parameters that each need at least one "long" + preserved. Exposed problems related to the MMIX port. */ + +long level = 0; +extern long foo (void); +extern long bar (void); + +#ifdef STACK_SIZE +#define DEPTH ((STACK_SIZE) / 512 + 1) +#else +#define DEPTH 500 +#endif + +int +main (void) +{ + if (foo () == -42) + exit (0); + + abort (); +} + +long +foo (void) +{ + long tmp = ++level; + return bar () + tmp; +} + +long +bar (void) +{ + long tmp = level; + return tmp > DEPTH - 1 ? -42 - tmp : foo () - tmp; +} |