ARM: Change code generation for function return...

src/ia32/codegen-ia32.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3260 matching lines @@
   set_in_spilled_code(false);
   Visit(statement);
   if (frame_ != NULL) {
     frame_->SpillAll();
   }
   set_in_spilled_code(true);
 }
 
 
 void CodeGenerator::VisitStatementsAndSpill(ZoneList<Statement*>* statements) {
+#ifdef DEBUG
+  int original_height = frame_->height();
+#endif
   ASSERT(in_spilled_code());
   set_in_spilled_code(false);
   VisitStatements(statements);
   if (frame_ != NULL) {
     frame_->SpillAll();
   }
   set_in_spilled_code(true);
+
+  ASSERT(!has_valid_frame() || frame_->height() == original_height);
 }
 
 
 void CodeGenerator::VisitStatements(ZoneList<Statement*>* statements) {
+#ifdef DEBUG
+  int original_height = frame_->height();
+#endif
   ASSERT(!in_spilled_code());
   for (int i = 0; has_valid_frame() && i < statements->length(); i++) {
     Visit(statements->at(i));
   }
+  ASSERT(!has_valid_frame() || frame_->height() == original_height);
 }
 
 
 void CodeGenerator::VisitBlock(Block* node) {
   ASSERT(!in_spilled_code());
   Comment cmnt(masm_, "[ Block");
   CodeForStatementPosition(node);
   node->break_target()->set_direction(JumpTarget::FORWARD_ONLY);
   VisitStatements(node->statements());
   if (node->break_target()->is_linked()) {
@@ skipping 10394 matching lines @@
   masm.GetCode(&desc);
   // Call the function from C++.
   return FUNCTION_CAST<MemCopyFunction>(buffer);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32