[range-ops] Handle bitmasks for ABS_EXPR.

gcc/ChangeLog:

	* range-op-mixed.h (class operator_abs): Add update_bitmask.
	* range-op.cc (operator_abs::update_bitmask): New.

diff --git a/gcc/range-op-mixed.h b/gcc/range-op-mixed.h
index ead41ed05158ab7f2bb92e7dedbb2aab992e2a01..70550c52232ab4e1766fe085f4b770238fee2828 100644 (file)
--- a/gcc/range-op-mixed.h
+++ b/gcc/range-op-mixed.h
@@ -408,6 +408,8 @@ class operator_abs : public range_operator
   bool op1_range (frange &r, tree type,
                  const frange &lhs, const frange &op2,
                  relation_trio rel = TRIO_VARYING) const final override;
+  void update_bitmask (irange &r, const irange &lh,
+                      const irange &rh) const final override;
 private:
   void wi_fold (irange &r, tree type, const wide_int &lh_lb,
                const wide_int &lh_ub, const wide_int &rh_lb,

diff --git a/gcc/range-op.cc b/gcc/range-op.cc
index 13ba973a08da92ebd7c39f1ae5cd12ac841dfc3d..bfab53caea0dbe55c2447a6db88d3a3387434dc3 100644 (file)
--- a/gcc/range-op.cc
+++ b/gcc/range-op.cc
@@ -4208,6 +4208,12 @@ operator_abs::op1_range (irange &r, tree type,
   return true;
 }
 
+void
+operator_abs::update_bitmask (irange &r, const irange &lh,
+                             const irange &rh) const
+{
+  update_known_bitmask (r, ABS_EXPR, lh, rh);
+}
 
 class operator_absu : public range_operator
 {