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| author | Jan Hubicka <hubicka@ucw.cz> | 2014-12-17 22:11:46 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2014-12-17 21:11:46 +0000 |
| commit | 6c0c245e30e159720d62954a978ec2eb4d526d88 (patch) | |
| tree | 78d1b62334419d5a244d634c647dc1fd0ac08abb /gcc/sreal.c | |
| parent | 12d9ce19034428072b3779eff017c5e129ee4c0e (diff) | |
| download | gcc-6c0c245e30e159720d62954a978ec2eb4d526d88.zip gcc-6c0c245e30e159720d62954a978ec2eb4d526d88.tar.gz gcc-6c0c245e30e159720d62954a978ec2eb4d526d88.tar.bz2 | |
sreal.h (sreal::normalize): Implement inline.
* sreal.h (sreal::normalize): Implement inline.
(sreal::normalize_up): New function.
(sreal::normalize_down): New function.
* sreal.c (sreal::normalize): Remove.
From-SVN: r218833
Diffstat (limited to 'gcc/sreal.c')
| -rw-r--r-- | gcc/sreal.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/gcc/sreal.c b/gcc/sreal.c index 8525379..cf6b738 100644 --- a/gcc/sreal.c +++ b/gcc/sreal.c @@ -96,64 +96,6 @@ sreal::shift_right (int s) m_sig >>= s; } -/* Normalize *this. */ - -void -sreal::normalize () -{ - int64_t s = m_sig < 0 ? -1 : 1; - unsigned HOST_WIDE_INT sig = absu_hwi (m_sig); - - if (sig == 0) - { - m_exp = -SREAL_MAX_EXP; - } - else if (sig < SREAL_MIN_SIG) - { - do - { - sig <<= 1; - m_exp--; - } - while (sig < SREAL_MIN_SIG); - - /* Check underflow. */ - if (m_exp < -SREAL_MAX_EXP) - { - m_exp = -SREAL_MAX_EXP; - sig = 0; - } - } - else if (sig > SREAL_MAX_SIG) - { - int last_bit; - do - { - last_bit = sig & 1; - sig >>= 1; - m_exp++; - } - while (sig > SREAL_MAX_SIG); - - /* Round the number. */ - sig += last_bit; - if (sig > SREAL_MAX_SIG) - { - sig >>= 1; - m_exp++; - } - - /* Check overflow. */ - if (m_exp > SREAL_MAX_EXP) - { - m_exp = SREAL_MAX_EXP; - sig = SREAL_MAX_SIG; - } - } - - m_sig = s * sig; -} - /* Return integer value of *this. */ int64_t |