diff options
| -rw-r--r-- | libgcc/soft-fp/bitint.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libgcc/soft-fp/bitint.h b/libgcc/soft-fp/bitint.h index cb4d822..07a7bcb 100644 --- a/libgcc/soft-fp/bitint.h +++ b/libgcc/soft-fp/bitint.h @@ -276,7 +276,11 @@ bitint_negate (UBILtype *d, const UBILtype *s, SItype n) } \ if (iprec < 0) \ { \ - n = sizeof (0ULL) * __CHAR_BIT__ + 1 - __builtin_clzll (~msb);\ + if (msb == (UBILtype) -1) \ + n = 1; \ + else \ + n = (sizeof (0ULL) * __CHAR_BIT__ + 1 \ + - __builtin_clzll (~msb)); \ if (BIL_TYPE_SIZE > DI##_BITS && n > DI##_BITS) \ { \ iv = msb >> (n - DI##_BITS); \ |