diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/dfp/call-by-value.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/dfp/call-by-value.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/dfp/call-by-value.c b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/call-by-value.c new file mode 100644 index 000000000..74aec53ae --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/call-by-value.c @@ -0,0 +1,43 @@ +/* C99 6.9.1(9) Function definitions; parameter has automatic storage. + + Test that actual parameters are passed by value and that modifications + made within functions are lost on function return. */ + +#include "dfp-dbg.h" + +int foo32 (_Decimal32 z) +{ + z = z + 1.0df; +} + +int foo64 (_Decimal64 z) +{ + z = z + 1.0dd; +} + +int foo128 (_Decimal128 z) +{ + z = z + 1.0dl; +} + +int +main () +{ + _Decimal32 d32 = 1.1df; + _Decimal64 d64 = 1.2dd; + _Decimal128 d128 = 1.3dl; + + foo32 (d32); + if (d32 != 1.1df) + FAILURE + + foo64 (d64); + if (d64 != 1.2dd) + FAILURE + + foo128 (d128); + if (d128 != 1.3dl) + FAILURE + + FINISH +} |