Support for MIPS in architecture independent files....

src/mips/register-allocator-mips.cc

+#include "v8.h"
+
+#include "codegen-inl.h"
+#include "register-allocator-inl.h"
+
+namespace v8 {
+namespace internal {
+
+// -------------------------------------------------------------------------
+// Result implementation.
+
+void Result::ToRegister() {
+  UNIMPLEMENTED();
+}
+
+
+void Result::ToRegister(Register target) {
+  UNIMPLEMENTED();
+}
+
+
+// -------------------------------------------------------------------------
+// RegisterAllocator implementation.
+
+Result RegisterAllocator::AllocateByteRegisterWithoutSpilling() {
+  // No byte registers on MIPS.
+  UNREACHABLE();
+  return Result();
+}
+
+
+} }  // namespace v8::internal