Merge

src/liboptimizer/optimizer-passes.c

@@ -0,0 +1,57 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "optimizer-passes.h"
+#include "opcodes.h"
+#include "deserializer.h"
+
+#define NAME_TO_ID(op) (__op__idx_##op)  
+
+/* Reorder bytecode like 
+  
+   call_n ...
+   assignment ... +
+   var_?_end
+
+   to
+
+   assignment ... +
+   call_n ...
+   var_?_end
+*/
+static void
+optimize_calls (OPCODE *opcodes)
+{
+  OPCODE *current_opcode;
+
+  for (current_opcode = opcodes;
+       current_opcode->op_idx != NAME_TO_ID (exitval); 
+       current_opcode++)
+    {
+      if (current_opcode->op_idx == NAME_TO_ID (call_n) 
+          && (current_opcode + 1)->op_idx == NAME_TO_ID (assignment))
+        {
+          OPCODE temp = *current_opcode;
+          *current_opcode = *(current_opcode + 1);
+          *(current_opcode + 1) = temp;
+        }
+    }
+}
+
+void
+optimizer_run_passes (OPCODE* opcodes)
+{
+  optimize_calls (opcodes);
+}

src/liboptimizer/optimizer-passes.h

@@ -0,0 +1,24 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OPTIMIZER_PASSES_H
+#define OPTIMIZER_PASSES_H
+
+#include "globals.h"
+#include "opcodes.h"
+
+void optimizer_run_passes (OPCODE *);
+
+#endif // OPTIMIZER_PASSES_H