Move assembler out of runtime into compiler/utils.
Other directory layout bits of clean up. There is still work to separate quick
and portable in some files (e.g. argument visitor, proxy..).
Change-Id: If8fecffda8ba5c4c47a035f0c622c538c6b58351
diff --git a/compiler/utils/managed_register.h b/compiler/utils/managed_register.h
new file mode 100644
index 0000000..4ad1763
--- /dev/null
+++ b/compiler/utils/managed_register.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_COMPILER_UTILS_MANAGED_REGISTER_H_
+#define ART_COMPILER_UTILS_MANAGED_REGISTER_H_
+
+namespace art {
+
+namespace arm {
+class ArmManagedRegister;
+}
+namespace mips {
+class MipsManagedRegister;
+}
+namespace x86 {
+class X86ManagedRegister;
+}
+
+class ManagedRegister {
+ public:
+ // ManagedRegister is a value class. There exists no method to change the
+ // internal state. We therefore allow a copy constructor and an
+ // assignment-operator.
+ ManagedRegister(const ManagedRegister& other) : id_(other.id_) { }
+
+ ManagedRegister& operator=(const ManagedRegister& other) {
+ id_ = other.id_;
+ return *this;
+ }
+
+ arm::ArmManagedRegister AsArm() const;
+ mips::MipsManagedRegister AsMips() const;
+ x86::X86ManagedRegister AsX86() const;
+
+ // It is valid to invoke Equals on and with a NoRegister.
+ bool Equals(const ManagedRegister& other) const {
+ return id_ == other.id_;
+ }
+
+ bool IsNoRegister() const {
+ return id_ == kNoRegister;
+ }
+
+ static ManagedRegister NoRegister() {
+ return ManagedRegister();
+ }
+
+ protected:
+ static const int kNoRegister = -1;
+
+ ManagedRegister() : id_(kNoRegister) { }
+ explicit ManagedRegister(int reg_id) : id_(reg_id) { }
+
+ int id_;
+};
+
+} // namespace art
+
+#endif // ART_COMPILER_UTILS_MANAGED_REGISTER_H_