Wiring up the LIR flow.

src/alloy/backend/x64/lowering/lowering_table.cc

@@ -0,0 +1,56 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <alloy/backend/x64/lowering/lowering_table.h>
+
+#include <alloy/backend/x64/lowering/lowering_sequences.h>
+
+using namespace alloy;
+using namespace alloy::backend::x64;
+using namespace alloy::backend::x64::lowering;
+
+
+LoweringTable::LoweringTable(X64Backend* backend) :
+    backend_(backend) {
+  xe_zero_struct(lookup_, sizeof(lookup_));
+}
+
+LoweringTable::~LoweringTable() {
+  for (size_t n = 0; n < XECOUNT(lookup_); n++) {
+    auto fn = lookup_[n];
+    while (fn) {
+      auto next = fn->next;
+      delete fn;
+      fn = next;
+    }
+  }
+}
+
+int LoweringTable::Initialize() {
+  RegisterSequences(this);
+  return 0;
+}
+
+void LoweringTable::AddSequence(hir::Opcode starting_opcode, FnWrapper* fn) {
+  auto existing_fn = lookup_[starting_opcode];
+  fn->next = existing_fn;
+  lookup_[starting_opcode] = fn;
+}
+
+int LoweringTable::Process(lir::LIRBuilder* builder) {
+  /*LIRInstr* instr = 0;
+  auto fn = lookup_[instr->opcode->num];
+  while (fn) {
+    if ((*fn)(builder, instr)) {
+      return true;
+    }
+    fn = fn->next;
+  }*/
+  return 0;
+}