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-rw-r--r--gcc/range-op-float.cc45
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/range-op-float.cc b/gcc/range-op-float.cc
index d52e971..44db81c 100644
--- a/gcc/range-op-float.cc
+++ b/gcc/range-op-float.cc
@@ -1862,6 +1862,29 @@ foperator_unordered_equal::op1_range (frange &r, tree type,
class foperator_plus : public range_operator_float
{
+ using range_operator_float::op1_range;
+ using range_operator_float::op2_range;
+public:
+ virtual bool op1_range (frange &r, tree type,
+ const frange &lhs,
+ const frange &op2,
+ relation_trio = TRIO_VARYING) const final override
+ {
+ if (lhs.undefined_p ())
+ return false;
+ range_op_handler minus (MINUS_EXPR, type);
+ if (!minus)
+ return false;
+ return minus.fold_range (r, type, lhs, op2);
+ }
+ virtual bool op2_range (frange &r, tree type,
+ const frange &lhs,
+ const frange &op1,
+ relation_trio = TRIO_VARYING) const final override
+ {
+ return op1_range (r, type, lhs, op1);
+ }
+private:
void rv_fold (REAL_VALUE_TYPE &lb, REAL_VALUE_TYPE &ub, bool &maybe_nan,
tree type,
const REAL_VALUE_TYPE &lh_lb,
@@ -1886,6 +1909,28 @@ class foperator_plus : public range_operator_float
class foperator_minus : public range_operator_float
{
+ using range_operator_float::op1_range;
+ using range_operator_float::op2_range;
+public:
+ virtual bool op1_range (frange &r, tree type,
+ const frange &lhs,
+ const frange &op2,
+ relation_trio = TRIO_VARYING) const final override
+ {
+ if (lhs.undefined_p ())
+ return false;
+ return fop_plus.fold_range (r, type, lhs, op2);
+ }
+ virtual bool op2_range (frange &r, tree type,
+ const frange &lhs,
+ const frange &op1,
+ relation_trio = TRIO_VARYING) const final override
+ {
+ if (lhs.undefined_p ())
+ return false;
+ return fold_range (r, type, op1, lhs);
+ }
+private:
void rv_fold (REAL_VALUE_TYPE &lb, REAL_VALUE_TYPE &ub, bool &maybe_nan,
tree type,
const REAL_VALUE_TYPE &lh_lb,