diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/value-range.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/value-range.h b/gcc/value-range.h index 484f911..07a2067 100644 --- a/gcc/value-range.h +++ b/gcc/value-range.h @@ -323,6 +323,7 @@ public: bool known_isnan () const; bool known_isinf () const; bool maybe_isnan () const; + bool maybe_isnan (bool sign) const; bool maybe_isinf () const; bool signbit_p (bool &signbit) const; private: @@ -1295,6 +1296,18 @@ frange::maybe_isnan () const return m_pos_nan || m_neg_nan; } +// Return TRUE if range is possibly a NAN with SIGN. + +inline bool +frange::maybe_isnan (bool sign) const +{ + if (undefined_p ()) + return false; + if (sign) + return m_neg_nan; + return m_pos_nan; +} + // Return TRUE if range is a +NAN or -NAN. inline bool |