Subzero. Performance tweaks.

src/IceMemory.cpp

Index: src/IceMemory.cpp
diff --git a/src/IceMemory.cpp b/src/IceMemory.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..6dc250c3f2ac1b8d0f99860837d31e5ef8f99ff9
--- /dev/null
+++ b/src/IceMemory.cpp
@@ -0,0 +1,35 @@
+//===- subzero/src/IceMemory.h - Memory management declarations -*- C++ -*-===//

[Jim Stichnoth, 2016/02/24 23:23:32]

.cpp / definitions

[John, 2016/02/24 23:46:05]

Done.

+//
+//                        The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implements memory management related routines for subzero.
+/////
+//===----------------------------------------------------------------------===//
+
+#include "IceMemory.h"
+
+#include "IceCfg.h"
+#include "IceTLS.h"
+
+#include <cassert>
+#include <utility>
+
+namespace Ice {
+ICE_TLS_DEFINE_FIELD(ArenaAllocator *, CfgAllocatorTraits, CfgAllocator);
+
+CfgAllocatorTraits::allocator_type CfgAllocatorTraits::current() {
+  return ICE_TLS_GET_FIELD(CfgAllocator);
+}
+
+void CfgAllocatorTraits::set_current(const manager_type *Manager) {
+  auto *Allocator = Manager != nullptr ? Manager->Allocator.get() : nullptr;

[Jim Stichnoth, 2016/02/24 23:23:32]

I would slightly prefer:

  Manager == nullptr ? nullptr : Manager->Allocator.get();

[John, 2016/02/24 23:46:05]

Done.

+  ICE_TLS_SET_FIELD(CfgAllocator, Allocator);
+}
+
+} // end of namespace Ice