diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/strtod.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/stdlib/strtod.c b/stdlib/strtod.c index cd78ef0df4..e93ec9add2 100644 --- a/stdlib/strtod.c +++ b/stdlib/strtod.c @@ -793,26 +793,20 @@ INTERNAL (STRTOF) (nptr, endptr, group LOCALE_PARAM) val = 10 + TOLOWER (*startp++) - L_('a'); bits = nbits[val]; - if (pos + 1 >= 4) + if (pos + 1 >= 4 || pos + 1 >= bits) { /* We don't have to care for wrapping. This is the normal - case so we add this optimization. */ + case so we add the first clause in the `if' expression as + an optimization. It is a compile-time constant and so does + not cost anything. */ retval[idx] = val << (pos - bits + 1); pos -= bits; } else { - if (pos + 1 >= bits) - { - retval[idx] = val << (pos - bits + 1); - pos -= bits; - } - else - { - retval[idx--] = val >> (bits - pos - 1); - retval[idx] = val << (BITS_PER_MP_LIMB - (bits - pos - 1)); - pos = BITS_PER_MP_LIMB - 1 - (bits - pos - 1); - } + retval[idx--] = val >> (bits - pos - 1); + retval[idx] = val << (BITS_PER_MP_LIMB - (bits - pos - 1)); + pos = BITS_PER_MP_LIMB - 1 - (bits - pos - 1); } while (--dig_no > 0 && idx >= 0) |