1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/rust/util/rust-hir-map.h b/gcc/rust/util/rust-hir-map.h
index 09a7b36..bcbd582 100644
--- a/gcc/rust/util/rust-hir-map.h
+++ b/gcc/rust/util/rust-hir-map.h
@@ -41,7 +41,9 @@ public:
     MULTIPLY,
     DIVIDE,
     REMAINDER,
+
     NEGATION,
+
     ADD_ASSIGN,
     SUB_ASSIGN,
     MUL_ASSIGN,
@@ -158,6 +160,32 @@ public:
       }
     return ItemType::UNKNOWN;
   }
+
+  static ItemType
+  CompoundAssignmentOperatorToLangItem (ArithmeticOrLogicalOperator op)
+  {
+    switch (op)
+      {
+      case ArithmeticOrLogicalOperator::ADD:
+	return ItemType::ADD_ASSIGN;
+      case ArithmeticOrLogicalOperator::SUBTRACT:
+	return ItemType::SUB_ASSIGN;
+      case ArithmeticOrLogicalOperator::MULTIPLY:
+	return ItemType::MUL_ASSIGN;
+      case ArithmeticOrLogicalOperator::DIVIDE:
+	return ItemType::DIV_ASSIGN;
+      case ArithmeticOrLogicalOperator::MODULUS:
+	return ItemType::REM_ASSIGN;
+
+      case ArithmeticOrLogicalOperator::BITWISE_AND:
+      case ArithmeticOrLogicalOperator::BITWISE_OR:
+      case ArithmeticOrLogicalOperator::BITWISE_XOR:
+      case ArithmeticOrLogicalOperator::LEFT_SHIFT:
+      case ArithmeticOrLogicalOperator::RIGHT_SHIFT:
+	return ItemType::UNKNOWN;
+      }
+    return ItemType::UNKNOWN;
+  }
 };
 
 class NodeMapping