diff options
Diffstat (limited to 'stdlib/strtold.c')
| -rw-r--r-- | stdlib/strtold.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/stdlib/strtold.c b/stdlib/strtold.c index 1dc0ac37c2..9747232ef2 100644 --- a/stdlib/strtold.c +++ b/stdlib/strtold.c @@ -9,7 +9,9 @@ #define SET_MANTISSA(flt, mant) \ do { union ieee854_long_double u; \ u.d = (flt); \ - u.ieee.mantissa0 = ((mant) >> 32) & 0x7fffffff; \ + if ((mant & 0x7fffffffffffffffULL) == 0) \ + mant = 0x4000000000000000ULL; \ + u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000; \ u.ieee.mantissa1 = (mant) & 0xffffffff; \ (flt) = u.d; \ } while (0) |