diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/printf_fphex.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/printf_fphex.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c index b2ad25e31f..2a7b70fabf 100644 --- a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c +++ b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c @@ -1,5 +1,5 @@ /* Print floating point number in hexadecimal notation according to ISO C99. - Copyright (C) 1997,1998,1999,2000,2001,2002,2004,2006,2007 + Copyright (C) 1997,1998,1999,2000,2001,2002,2004,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -35,24 +35,21 @@ do { \ \ lo = ((long long)eldbl.ieee.mantissa2 << 32) | eldbl.ieee.mantissa3; \ hi = ((long long)eldbl.ieee.mantissa0 << 32) | eldbl.ieee.mantissa1; \ - lo <<= 7; /* pre-shift lo to match ieee854. */ \ - /* If the lower double is not a denomal or zero then set the hidden \ - 53rd bit. */ \ - if (eldbl.ieee.exponent2 != 0) \ - lo |= (1ULL << (52 + 7)); \ - else \ - lo <<= 1; \ - /* The lower double is normalized separately from the upper. We \ - may need to adjust the lower manitissa to reflect this. */ \ - ediff = eldbl.ieee.exponent - eldbl.ieee.exponent2; \ - if (ediff > 53 + 63) \ - lo = 0; \ - else if (ediff > 53) \ - lo = lo >> (ediff - 53); \ - else if (eldbl.ieee.exponent2 == 0 && ediff < 53) \ - lo = lo << (53 - ediff); \ - if (eldbl.ieee.negative != eldbl.ieee.negative2 \ - && (eldbl.ieee.exponent2 != 0 || lo != 0L)) \ + /* If the lower double is not a denomal or zero then set the hidden \ + 53rd bit. */ \ + if (eldbl.ieee.exponent2 > 0x001) \ + { \ + lo |= (1ULL << 52); \ + lo = lo << 7; /* pre-shift lo to match ieee854. */ \ + /* The lower double is normalized separately from the upper. We \ + may need to adjust the lower manitissa to reflect this. */ \ + ediff = eldbl.ieee.exponent - eldbl.ieee.exponent2; \ + if (ediff > 53) \ + lo = lo >> (ediff-53); \ + } \ + \ + if ((eldbl.ieee.negative != eldbl.ieee.negative2) \ + && ((eldbl.ieee.exponent2 != 0) && (lo != 0L))) \ { \ lo = (1ULL << 60) - lo; \ if (hi == 0L) \ |