diff options
| -rw-r--r-- | gcc/gimple-range-fold.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/gimple-range-fold.cc b/gcc/gimple-range-fold.cc index 3543f09..c9c7a2c 100644 --- a/gcc/gimple-range-fold.cc +++ b/gcc/gimple-range-fold.cc @@ -1029,7 +1029,9 @@ fold_using_range::range_of_builtin_int_call (irange &r, gcall *call, frange tmp; if (src.get_operand (tmp, arg)) { - if (tmp.get_signbit ().varying_p ()) + if (tmp.get_signbit ().varying_p () + // FIXME: We don't support signed NANs yet. + || !tmp.get_nan ().no_p ()) return false; if (tmp.get_signbit ().yes_p ()) r.set_nonzero (type); |