diff options
Diffstat (limited to 'stdio-common/printf_fp.c')
| -rw-r--r-- | stdio-common/printf_fp.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c index 5cf60f131c..009bdee0d5 100644 --- a/stdio-common/printf_fp.c +++ b/stdio-common/printf_fp.c @@ -625,11 +625,22 @@ __printf_fp (FILE *fp, /* All factors but 10^-1 are tested now. */ if (exponent > 0) { + int cnt_l; + cy = __mpn_mul_1 (tmp, frac, fracsize, 10); tmpsize = fracsize; assert (cy == 0 || tmp[tmpsize - 1] < 20); - (void) __mpn_rshift (frac, tmp, tmpsize, MIN (4, exponent)); + count_trailing_zeros (cnt_l, tmp[0]); + if (cnt_l < MIN (4, exponent)) + { + cy = __mpn_lshift (frac, tmp, tmpsize, + BITS_PER_MP_LIMB - MIN (4, exponent)); + if (cy != 0) + frac[tmpsize++] = cy; + } + else + (void) __mpn_rshift (frac, tmp, tmpsize, MIN (4, exponent)); fracsize = tmpsize; exp10 |= 1; assert (frac[fracsize - 1] < 10); |