Add support for temp locations and port Load-/StoreStaticField to use locations.

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 "lib/error.h"
@@ skipping 871 matching lines @@
 void FlowGraphCompiler::VisitStoreInstanceField(StoreInstanceFieldComp* comp) {
   ASSERT(VerifyValues(comp->instance(), comp->value()));
   LoadValue(RDX, comp->value());
   LoadValue(RAX, comp->instance());
   __ StoreIntoObject(RAX, FieldAddress(RAX, comp->field().Offset()), RDX);
 }
 
 
 
 void FlowGraphCompiler::VisitLoadStaticField(LoadStaticFieldComp* comp) {
-  __ LoadObject(RDX, comp->field());
-  __ movq(RAX, FieldAddress(RDX, Field::value_offset()));
+  // Moved to intermediate_language_x64.cc.
+  UNREACHABLE();
 }
 
 
 void FlowGraphCompiler::VisitStoreStaticField(StoreStaticFieldComp* comp) {
-  LoadValue(RAX, comp->value());
-  __ LoadObject(RDX, comp->field());
-  __ StoreIntoObject(RDX, FieldAddress(RDX, Field::value_offset()), RAX);
+  // Moved to intermediate_language_x64.cc.
+  UNREACHABLE();
 }
 
 
 void FlowGraphCompiler::VisitStoreIndexed(StoreIndexedComp* comp) {
   // Call operator []= but preserve the third argument value under the
   // arguments as the result of the computation.
   const String& function_name =
       String::ZoneHandle(String::NewSymbol(Token::Str(Token::kASSIGN_INDEX)));
 
   // Insert a copy of the third (last) argument under the arguments.
@@ skipping 438 matching lines @@
 }
 
 
 void FlowGraphCompiler::EmitInstructionPrologue(Instruction* instr) {
   LocationSummary* locs = instr->locs();
   ASSERT(locs != NULL);
 
   locs->AllocateRegisters();
 
   // Load instruction inputs into allocated registers.
-  for (intptr_t i = locs->count() - 1; i >= 0; i--) {
+  for (intptr_t i = locs->input_count() - 1; i >= 0; i--) {
     Location loc = locs->in(i);
     ASSERT(loc.kind() == Location::kRegister);
     __ popq(loc.reg());
   }
 }
 
 
 void FlowGraphCompiler::VisitBlocks() {
   for (intptr_t i = 0; i < block_order_.length(); ++i) {
     __ Comment("B%d", i);
@@ skipping 617 matching lines @@
 
 void FlowGraphCompiler::FinalizeComments(const Code& code) {
   code.set_comments(assembler_->GetCodeComments());
 }
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64