Hooking up code emission.

src/alloy/backend/x64/x64_backend.cc

@@ -11,6 +11,7 @@
 
 #include <alloy/backend/x64/tracing.h>
 #include <alloy/backend/x64/x64_assembler.h>
+#include <alloy/backend/x64/x64_code_cache.h>
 #include <alloy/backend/x64/lowering/lowering_table.h>
 #include <alloy/backend/x64/lowering/lowering_sequences.h>
 
@@ -22,7 +23,7 @@ using namespace alloy::runtime;
 
 
 X64Backend::X64Backend(Runtime* runtime) :
-    lowering_table_(0),
+    code_cache_(0), lowering_table_(0),
     Backend(runtime) {
 }
 
@@ -30,6 +31,7 @@ X64Backend::~X64Backend() {
   alloy::tracing::WriteEvent(EventType::Deinit({
   }));
   delete lowering_table_;
+  delete code_cache_;
 }
 
 int X64Backend::Initialize() {
@@ -38,6 +40,12 @@ int X64Backend::Initialize() {
     return result;
   }
 
+  code_cache_ = new X64CodeCache();
+  result = code_cache_->Initialize();
+  if (result) {
+    return result;
+  }
+
   lowering_table_ = new LoweringTable(this);
   RegisterSequences(lowering_table_);