diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c')
-rw-r--r-- | gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c b/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c new file mode 100644 index 00000000000..d16919f81ac --- /dev/null +++ b/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c @@ -0,0 +1,58 @@ +/* { dg-skip-if "" { ! "powerpc*-*-linux*" } { "*" } { "" } } */ + +/* Test decimal float conversions to and from IBM 128-bit long double. + Checks are skipped at runtime if long double is not 128 bits. + Don't force 128-bit long doubles because runtime support depends + on glibc. */ + +#include "convert.h" + +volatile _Decimal32 sd; +volatile _Decimal64 dd; +volatile _Decimal128 td; +volatile float sf; +volatile double df; +volatile long double tf; + +/* A value slightly less than DEC32_MAX can be converted in both directions. */ +CONVERT_VALID (101, sd, tf, 9.999998e96df, 9.999998e96L, 1.e+81L) +CONVERT_VALID (102, tf, sd, 9.999998e96L, 9.999998e96df, 0.df) + +/* A value slightly less than DBL_MAX can be converted in both directions. */ +CONVERT_VALID (201, tf, dd, 1.79768e+308l, 1.79768e+308dd, 0.dd) +CONVERT_VALID (202, dd, tf, 1.79768e+308dd, 1.79768e+308l, 2.e292l) +CONVERT_VALID (203, tf, td, 1.79768e+308l, 1.79768e+308dl, 1.e292dl) +CONVERT_VALID (204, td, tf, 1.79768e+308dl, 1.79768e+308l, 2.e292l) + +/* Check values that are too large for the result type. */ +CONVERT_TO_PINF (301, dd, tf, 1.8e+308dd, l) +CONVERT_TO_PINF (302, dd, tf, 9.9e+384dd, l) +CONVERT_TO_PINF (303, td, tf, 1.8e+308dl, l) +CONVERT_TO_PINF (304, td, tf, 9.9e+384dl, l) + +CONVERT_TO_PINF (311, tf, sd, 1.0e+97L, d32) +CONVERT_TO_PINF (312, tf, sd, 1.6e+308L, d32) + +int +main () +{ + if (sizeof (long double) != 16) + return 0; + + convert_101 (); + convert_102 (); + + convert_201 (); + convert_202 (); + convert_203 (); + convert_204 (); + + convert_301 (); + convert_302 (); + convert_303 (); + convert_304 (); + convert_311 (); + convert_312 (); + + FINISH +} |