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diff --git a/contrib/llvm/lib/Target/PIC16/PIC16InstrFormats.td b/contrib/llvm/lib/Target/PIC16/PIC16InstrFormats.td
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+//===- PIC16InstrFormats.td - PIC16 Instruction Formats-------*- tblgen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source 
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//  Describe PIC16 instructions format
+//
+//  All the possible PIC16 fields are:
+//
+//  opcode  - operation code.
+//  f       - 7-bit register file address.
+//  d       - 1-bit direction specifier
+//  k       - 8/11 bit literals
+//  b       - 3 bits bit num specifier
+//
+//===----------------------------------------------------------------------===//
+
+// Generic PIC16 Format
+// PIC16 Instructions are 14-bit wide.
+
+// FIXME: Add Cooper Specific Formats if any.
+
+class PIC16Inst<dag outs, dag ins, string asmstr, list<dag> pattern>
+  : Instruction {
+  field bits<14> Inst;
+
+  let Namespace = "PIC16";
+  dag OutOperandList = outs;
+  dag InOperandList = ins;
+  let AsmString = asmstr;
+  let Pattern = pattern;
+}
+
+
+//===----------------------------------------------------------------------===//
+// Byte Oriented instruction class in PIC16 : <|opcode|d|f|>
+// opcode = 6 bits.
+// d = direction = 1 bit.
+// f = file register address = 7 bits.
+//===----------------------------------------------------------------------===//
+
+class ByteFormat<bits<6> opcode, dag outs, dag ins, string asmstr,
+                 list<dag> pattern>
+  :PIC16Inst<outs, ins, asmstr, pattern> {
+  bits<1>  d;
+  bits<7>  f;
+
+  let Inst{13-8} = opcode;
+
+  let Inst{7} = d;
+  let Inst{6-0} = f; 
+}
+
+//===----------------------------------------------------------------------===//
+// Bit Oriented instruction class in PIC16 : <|opcode|b|f|>
+// opcode = 4 bits.
+// b = bit specifier = 3 bits.
+// f = file register address = 7 bits.
+//===----------------------------------------------------------------------===//
+
+class BitFormat<bits<4> opcode, dag outs, dag ins, string asmstr, 
+                list<dag> pattern>
+  : PIC16Inst<outs, ins, asmstr, pattern> {
+  bits<3>  b;
+  bits<7>  f;
+
+  let Inst{13-10} = opcode;
+
+  let Inst{9-7} = b;
+  let Inst{6-0} = f; 
+}
+
+//===----------------------------------------------------------------------===//
+// Literal Format instruction class in PIC16 : <|opcode|k|>
+// opcode = 6 bits
+// k = literal = 8 bits
+//===----------------------------------------------------------------------===//
+
+class LiteralFormat<bits<6> opcode, dag outs, dag ins, string asmstr, 
+                    list<dag> pattern>
+  : PIC16Inst<outs, ins, asmstr, pattern> {
+  bits<8> k;
+  
+  let Inst{13-8} = opcode;
+
+  let Inst{7-0} = k; 
+}
+
+//===----------------------------------------------------------------------===//
+// Control Format instruction class in PIC16 : <|opcode|k|>
+// opcode = 3 bits.
+// k = jump address = 11 bits.
+//===----------------------------------------------------------------------===//
+
+class ControlFormat<bits<3> opcode, dag outs, dag ins, string asmstr, 
+                    list<dag> pattern>
+  : PIC16Inst<outs, ins, asmstr, pattern> {
+  bits<11> k;
+
+  let Inst{13-11} = opcode;
+
+  let Inst{10-0} = k; 
+}
+
+//===----------------------------------------------------------------------===//
+// Pseudo instruction class in PIC16
+//===----------------------------------------------------------------------===//
+
+class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
+  : PIC16Inst<outs, ins, asmstr, pattern> {
+   let Inst{13-6} = 0;
+}