Revert desugaring of CompoundAssignment into arithmetic operation and assignment

1 files changed, 17 insertions, 0 deletions

diff --git a/gcc/rust/backend/rust-compile-expr.h b/gcc/rust/backend/rust-compile-expr.h
index c9d3c30..8ed84c7 100644
--- a/gcc/rust/backend/rust-compile-expr.h
+++ b/gcc/rust/backend/rust-compile-expr.h
@@ -388,6 +388,23 @@ public:
     ctx->add_statement (assignment);
   }
 
+  void visit (HIR::CompoundAssignmentExpr &expr) override
+  {
+    fncontext fn = ctx->peek_fn ();
+    auto lvalue = CompileExpr::Compile (expr.get_left_expr ().get (), ctx);
+    auto rvalue = CompileExpr::Compile (expr.get_right_expr ().get (), ctx);
+
+    auto op = expr.get_expr_type ();
+    auto operator_expr = ctx->get_backend ()->arithmetic_or_logical_expression (
+      op, lvalue, rvalue, expr.get_locus ());
+
+    Bstatement *assignment
+      = ctx->get_backend ()->assignment_statement (fn.fndecl, lvalue,
+						   operator_expr,
+						   expr.get_locus ());
+    ctx->add_statement (assignment);
+  }
+
   void visit (HIR::ArrayIndexExpr &expr) override
   {
     Bexpression *array = CompileExpr::Compile (expr.get_array_expr (), ctx);