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-rw-r--r--gcc/value-range.cc8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/value-range.cc b/gcc/value-range.cc
index 26a2b78..86550f1 100644
--- a/gcc/value-range.cc
+++ b/gcc/value-range.cc
@@ -324,6 +324,14 @@ frange::set (tree type,
m_neg_nan = false;
}
+ if (!HONOR_SIGNED_ZEROS (m_type))
+ {
+ if (real_iszero (&m_min, 1))
+ m_min.sign = 0;
+ if (real_iszero (&m_max, 1))
+ m_max.sign = 0;
+ }
+
// For -ffinite-math-only we can drop ranges outside the
// representable numbers to min/max for the type.
if (flag_finite_math_only)