Index: src/compiler/register-configuration.h |
diff --git a/src/compiler/register-configuration.h b/src/compiler/register-configuration.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8178ba2f0d77deea594e4615de26cd1f812cb105 |
--- /dev/null |
+++ b/src/compiler/register-configuration.h |
@@ -0,0 +1,56 @@ |
+// Copyright 2014 the V8 project authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef V8_COMPILER_REGISTER_CONFIGURATION_H_ |
+#define V8_COMPILER_REGISTER_CONFIGURATION_H_ |
+ |
+#include "src/v8.h" |
+ |
+namespace v8 { |
+namespace internal { |
+namespace compiler { |
+ |
+// An architecture independent representation of the sets of registers available |
+// for instruction creation. |
+class RegisterConfiguration { |
+ public: |
+ // Architecture independent maxes. |
+ static const int kMaxGeneralRegisters = 32; |
+ static const int kMaxDoubleRegisters = 32; |
+ |
+ static const RegisterConfiguration* ArchDefault(); |
+ |
+ RegisterConfiguration(int num_general_registers, int num_double_registers, |
+ int num_aliased_double_registers, |
+ const char* const* general_register_name, |
+ const char* const* double_register_name); |
+ |
+ int num_general_registers() const { return num_general_registers_; } |
+ int num_double_registers() const { return num_double_registers_; } |
+ int num_aliased_double_registers() const { |
+ return num_aliased_double_registers_; |
+ } |
+ |
+ const char* general_register_name(int offset) const { |
+ DCHECK(offset >= 0 && offset < kMaxGeneralRegisters); |
+ return general_register_names_[offset]; |
+ } |
+ const char* double_register_name(int offset) const { |
+ DCHECK(offset >= 0 && offset < kMaxDoubleRegisters); |
+ return double_register_names_[offset]; |
+ } |
+ |
+ private: |
+ const int num_general_registers_; |
+ const int num_double_registers_; |
+ const int num_aliased_double_registers_; |
+ const char* const* general_register_names_; |
+ const char* const* double_register_names_; |
+}; |
+ |
+} // namespace compiler |
+} // namespace internal |
+} // namespace v8 |
+ |
+#endif // V8_COMPILER_REGISTER_CONFIGURATION_H_ |