diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/dfp/convert-dfp-fold.c')
-rw-r--r-- | gcc/testsuite/c-c++-common/dfp/convert-dfp-fold.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/dfp/convert-dfp-fold.c b/gcc/testsuite/c-c++-common/dfp/convert-dfp-fold.c new file mode 100644 index 000000000..67c9d71c2 --- /dev/null +++ b/gcc/testsuite/c-c++-common/dfp/convert-dfp-fold.c @@ -0,0 +1,47 @@ +/* { dg-options "-O2" } */ + +/* N1150 5.2 Conversions among decimal floating types and between + decimal floating types and generic floating types. + C99 6.3.1.5(3) New. */ + +#include "dfp-dbg.h" + +extern void link_error (); + +int +main () +{ + _Decimal32 d32; + _Decimal64 d64; + _Decimal128 d128; + + /* Conversions to larger types. */ + d32 = 123.4df; + d64 = d32; + if (d64 != 123.4dd) + link_error (); + d128 = d32; + if (d128 != 123.4dl) + link_error (); + d64 = 345.678dd; + d128 = d64; + if (d128 != 345.678dl) + link_error (); + + /* Conversions to smaller types for which the value fits. */ + d64 = 3456.789dd; + d32 = d64; + if (d32 != 3456.789df) + link_error (); + d128 = 123.4567dl; + d32 = d128; + if (d32 != 123.4567dl) + link_error (); + + d128 = 1234567890.123456dl; + d64 = d128; + if (d64 != 1234567890.123456dd) + link_error (); + + return 0; +} |