diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/ieee/rbug.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/ieee/rbug.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/ieee/rbug.c b/gcc/testsuite/gcc.c-torture/execute/ieee/rbug.c new file mode 100644 index 000000000..1586bd7d4 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/ieee/rbug.c @@ -0,0 +1,55 @@ +#if defined(__i386__) && defined(__FreeBSD__) +#include <ieeefp.h> +#endif + +double d (unsigned long long k) +{ + double x; + + x = (double) k; + return x; +} + +float s (unsigned long long k) +{ + float x; + + x = (float) k; + return x; +} + +main () +{ + unsigned long long int k; + double x; + +#if defined(__i386__) && defined(__FreeBSD__) + /* This test case assumes extended-precision, but FreeBSD defaults to + double-precision. Make it so. */ + fpsetprec (FP_PE); +#endif + + if (sizeof (double) >= 8) + { + k = 0x8693ba6d7d220401ULL; + x = d (k); + k = (unsigned long long) x; + if (k != 0x8693ba6d7d220800ULL) + abort (); + } + + k = 0x8234508000000001ULL; + x = s (k); + k = (unsigned long long) x; +#ifdef __SPU__ + /* SPU float rounds towards zero. */ + if (k != 0x8234500000000000ULL) + abort (); +#else + if (k != 0x8234510000000000ULL) + abort (); +#endif + + exit (0); +} + |