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| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/nestfunc-4.c | 37 |
2 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 01e7111..2d35e8c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-01-05 Hans-Peter Nilsson <hp@bitrange.com> + + * gcc.c-torture/execute/nestfunc-4.c: New test. + 2002-01-04 Loren J. Rittle <ljrittle@acm.org> * g++.old-deja/g++.abi/aggregates.C: Corrected last patch: removed 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 0000000..e028166 --- /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; +} |