diff --git a/lib/Target/PowerPC/Makefile b/lib/Target/PowerPC/Makefile
index 693b25d..d9cac3c 100644
--- a/lib/Target/PowerPC/Makefile
+++ b/lib/Target/PowerPC/Makefile
@@ -44,7 +44,7 @@
 	@echo "Building $(TARGET) code emitter"
 	$(VERB) $(TBLGEN) -I $(SourceDir) $< -gen-emitter -o $@
 
-$(TARGET)GenAsmWriter.inc:: PPC32.td $(TDFILES) $(TBLGEN)
+$(TARGET)GenAsmWriter.inc:: PowerPC.td $(TDFILES) $(TBLGEN)
 	@echo "Building $(TARGET).td assembly writer with tblgen"
 	$(VERB) $(TBLGEN) -I $(SourceDir) $< -gen-asm-writer -o $@
 
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index b0503d2..508c419 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -40,11 +40,11 @@
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
 
-  struct PPC32AsmPrinter : public AsmPrinter {
+  struct PowerPCAsmPrinter : public AsmPrinter {
     std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
     std::set<std::string> Strings;
     
-    PPC32AsmPrinter(std::ostream &O, TargetMachine &TM)
+    PowerPCAsmPrinter(std::ostream &O, TargetMachine &TM)
       : AsmPrinter(O, TM), LabelNumber(0) {}
 
     /// Unique incrementer for label values for referencing Global values.
@@ -142,12 +142,13 @@
     virtual bool doFinalization(Module &M) = 0;
   };
   
-  //
-  //
-  struct DarwinAsmPrinter : public PPC32AsmPrinter {
+  /// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
+  /// X
+  ///
+  struct DarwinAsmPrinter : public PowerPCAsmPrinter {
 
     DarwinAsmPrinter(std::ostream &O, TargetMachine &TM)
-      : PPC32AsmPrinter(O, TM) {
+      : PowerPCAsmPrinter(O, TM) {
       CommentString = ";";
       GlobalPrefix = "_";
       ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
@@ -164,15 +165,15 @@
     bool doFinalization(Module &M);
   };
   
-  //
-  //
-  struct AIXAsmPrinter : public PPC32AsmPrinter {
+  /// AIXAsmPrinter - PowerPC assembly printer, customized for AIX
+  ///
+  struct AIXAsmPrinter : public PowerPCAsmPrinter {
     /// Map for labels corresponding to global variables
     ///
     std::map<const GlobalVariable*,std::string> GVToLabelMap;
 
     AIXAsmPrinter(std::ostream &O, TargetMachine &TM)
-      : PPC32AsmPrinter(O, TM) {
+      : PowerPCAsmPrinter(O, TM) {
       CommentString = "#";
       GlobalPrefix = "_";
       ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
@@ -306,7 +307,7 @@
 // Include the auto-generated portion of the assembly writer
 #include "PowerPCGenAsmWriter.inc"
 
-void PPC32AsmPrinter::printOp(const MachineOperand &MO,
+void PowerPCAsmPrinter::printOp(const MachineOperand &MO,
                               bool LoadAddrOp /* = false */) {
   const MRegisterInfo &RI = *TM.getRegisterInfo();
   int new_symbol;
@@ -391,7 +392,7 @@
 /// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax to
 /// the current output stream.
 ///
-void PPC32AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
+void PowerPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
   ++EmittedInsts;
   if (printInstruction(MI))
     return; // Printer was automatically generated
diff --git a/lib/Target/PowerPC/PowerPC.td b/lib/Target/PowerPC/PowerPC.td
new file mode 100644
index 0000000..f556aee
--- /dev/null
+++ b/lib/Target/PowerPC/PowerPC.td
@@ -0,0 +1,45 @@
+//===- PowerPC.td - Describe the PowerPC Target Machine ----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+
+// Get the target-independent interfaces which we are implementing...
+//
+include "../Target.td"
+
+//===----------------------------------------------------------------------===//
+// Register File Description
+//===----------------------------------------------------------------------===//
+
+include "PPC64RegisterInfo.td"
+include "PowerPCInstrInfo.td"
+
+def PowerPCInstrInfo : InstrInfo {
+  let PHIInst  = PHI;
+
+  let TSFlagsFields = ["ArgCount", "Arg0Type", "Arg1Type", "Arg2Type", 
+                       "Arg3Type", "Arg4Type", "VMX", "PPC64"];
+  let TSFlagsShifts = [ 0, 3, 8, 13, 18, 23, 28, 29 ];
+}
+
+def PowerPC : Target {
+  // Pointers on PowerPC are 64-bits in size.
+  let PointerType = i64;
+
+  // According to the Mach-O Runtime ABI, these regs are nonvolatile across
+  // calls
+  let CalleeSavedRegisters = [R1, R13, R14, R15, R16, R17, R18, R19,
+    R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, F14, F15,
+    F16, F17, F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29,
+    F30, F31, CR2, CR3, CR4, LR];
+
+  // Pull in Instruction Info:
+  let InstructionSet = PowerPCInstrInfo;
+}