Implement postfix indexed increment.

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 43 matching lines @@
 void FlowGraphCompiler::VisitTemp(TempVal* val) {
   LoadValue(val);
 }
 
 
 void FlowGraphCompiler::VisitConstant(ConstantVal* val) {
   LoadValue(val);
 }
 
 
+void FlowGraphCompiler::VisitCopyTemp(CopyTempComp* comp) {
+  // Index is a stack index.  Semantics is to produce a duplicate of the
+  // temp at index.
+  __ movq(RAX, Address(RSP, comp->index() * (-kWordSize)));
+}
+
+
+void FlowGraphCompiler::VisitSetTemp(SetTempComp* comp) {
+  // Index is a stack index.  Semantics is to store a (copy of) the TOS in
+  // the temp at index.
+  __ movq(RAX, Address(RSP, 0));
+  __ movq(Address(RSP, comp->index() * (-kWordSize)), RAX);
+}
+
+
 void FlowGraphCompiler::VisitAssertAssignable(AssertAssignableComp* comp) {
   Bailout("AssertAssignableComp");
 }
 
 
 // True iff. the arguments to a call will be properly pushed and can
 // be popped after the call.
 template <typename T> static bool VerifyCallComputation(T* comp) {
   // Argument values should be consecutive temps.
   //
@@ skipping 346 matching lines @@
 void FlowGraphCompiler::FinalizeExceptionHandlers(const Code& code) {
   // We don't compile exception handlers yet.
   code.set_exception_handlers(
       ExceptionHandlers::Handle(ExceptionHandlers::New(0)));
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64