diff options
Diffstat (limited to 'contrib/binutils/gas/config/atof-ieee.c')
| -rw-r--r-- | contrib/binutils/gas/config/atof-ieee.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/contrib/binutils/gas/config/atof-ieee.c b/contrib/binutils/gas/config/atof-ieee.c index e0726b7..3ac1f01 100644 --- a/contrib/binutils/gas/config/atof-ieee.c +++ b/contrib/binutils/gas/config/atof-ieee.c @@ -1,5 +1,6 @@ /* atof_ieee.c - turn a Flonum into an IEEE floating point number - Copyright (C) 1987, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. + Copyright (C) 1987, 92, 93, 94, 95, 96, 97, 1998 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -525,6 +526,22 @@ gen_to_words (words, precision, exponent_bits) carry >>= LITTLENUM_NUMBER_OF_BITS; } } + else + { + /* This is an overflow of the denormal numbers. We + need to forget what we have produced, and instead + generate the smallest normalized number. */ + lp = words; + word1 = ((generic_floating_point_number.sign == '+') + ? 0 + : (1 << (LITTLENUM_NUMBER_OF_BITS - 1))); + word1 |= (1 + << ((LITTLENUM_NUMBER_OF_BITS - 1) + - exponent_bits)); + *lp++ = word1; + while (lp < words_end) + *lp++ = 0; + } } else if ((*lp & mask[prec_bits]) != mask[prec_bits]) *lp += 1; @@ -532,7 +549,7 @@ gen_to_words (words, precision, exponent_bits) return return_value; } - else if (exponent_4 >= mask[exponent_bits]) + else if ((unsigned long) exponent_4 >= mask[exponent_bits]) { /* * Exponent overflow. Lose immediately. |
