X86InstrInfo.td

               "idiv{b}\t$src", []>;
let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
def IDIV16r: I<0xF7, MRM7r, (outs),  (ins GR16:$src),   // DX:AX/r16 = AX,DX
               "idiv{w}\t$src", []>, OpSize;
let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
def IDIV32r: I<0xF7, MRM7r, (outs),  (ins GR32:$src),   // EDX:EAX/r32 = EAX,EDX
               "idiv{l}\t$src", []>;
let mayLoad = 1, mayLoad = 1 in {
let Defs = [AL,EFLAGS,AX], Uses = [AX] in
def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src),   // AX/[mem8] = AL,AH
               "idiv{b}\t$src", []>;
let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src),  // DX:AX/[mem16] = AX,DX
               "idiv{w}\t$src", []>, OpSize;
let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), 
                                                    // EDX:EAX/[mem32] = EAX,EDX
               "idiv{l}\t$src", []>;
}

//===----------------------------------------------------------------------===//
//  Two address Instructions.
//
let Constraints = "$src1 = $dst" in {

// unary instructions
let CodeSize = 2 in {
let Defs = [EFLAGS] in {
def NEG8r  : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
               "neg{b}\t$dst",
               [(set GR8:$dst, (ineg GR8:$src1)),
                (implicit EFLAGS)]>;
def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
               "neg{w}\t$dst",
               [(set GR16:$dst, (ineg GR16:$src1)),
                (implicit EFLAGS)]>, OpSize;
def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
               "neg{l}\t$dst",
               [(set GR32:$dst, (ineg GR32:$src1)),
                (implicit EFLAGS)]>;
                
let Constraints = "" in {
  def NEG8m  : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
                 "neg{b}\t$dst",
                 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
                  (implicit EFLAGS)]>;
  def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
                 "neg{w}\t$dst",
                 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
                  (implicit EFLAGS)]>, OpSize;
  def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
                 "neg{l}\t$dst",
                 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
                  (implicit EFLAGS)]>;
} // Constraints = ""
} // Defs = [EFLAGS]

// Match xor -1 to not. Favors these over a move imm + xor to save code size.
let AddedComplexity = 15 in {
def NOT8r  : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
               "not{b}\t$dst",
               [(set GR8:$dst, (not GR8:$src1))]>;
def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
               "not{w}\t$dst",
               [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
               "not{l}\t$dst",
               [(set GR32:$dst, (not GR32:$src1))]>;
}
let Constraints = "" in {
  def NOT8m  : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
                 "not{b}\t$dst",
                 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
  def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
                 "not{w}\t$dst",
                 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
  def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
                 "not{l}\t$dst",
                 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
} // Constraints = ""
} // CodeSize

// TODO: inc/dec is slow for P4, but fast for Pentium-M.
let Defs = [EFLAGS] in {
let CodeSize = 2 in
def INC8r  : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
               "inc{b}\t$dst",
               [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;

let isConvertibleToThreeAddress = 1, CodeSize = 1 in {  // Can xform into LEA.
def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1), 
               "inc{w}\t$dst",
               [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
             OpSize, Requires<[In32BitMode]>;
def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1), 
               "inc{l}\t$dst",
               [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
             Requires<[In32BitMode]>;
}
let Constraints = "", CodeSize = 2 in {
  def INC8m  : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
               [(store (add (loadi8 addr:$dst), 1), addr:$dst),
                (implicit EFLAGS)]>;
  def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
               [(store (add (loadi16 addr:$dst), 1), addr:$dst),
                (implicit EFLAGS)]>,
               OpSize, Requires<[In32BitMode]>;
  def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
               [(store (add (loadi32 addr:$dst), 1), addr:$dst),
                (implicit EFLAGS)]>,
               Requires<[In32BitMode]>;
} // Constraints = "", CodeSize = 2

let CodeSize = 2 in
def DEC8r  : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
               "dec{b}\t$dst",
               [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
let isConvertibleToThreeAddress = 1, CodeSize = 1 in {   // Can xform into LEA.
def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1), 
               "dec{w}\t$dst",
               [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
             OpSize, Requires<[In32BitMode]>;
def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1), 
               "dec{l}\t$dst",
               [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
             Requires<[In32BitMode]>;
} // CodeSize = 2

let Constraints = "", CodeSize = 2 in {
  def DEC8m  : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
               [(store (add (loadi8 addr:$dst), -1), addr:$dst),
                (implicit EFLAGS)]>;
  def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
               [(store (add (loadi16 addr:$dst), -1), addr:$dst),
                (implicit EFLAGS)]>,
               OpSize, Requires<[In32BitMode]>;
  def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
               [(store (add (loadi32 addr:$dst), -1), addr:$dst),
                (implicit EFLAGS)]>,
               Requires<[In32BitMode]>;
} // Constraints = "", CodeSize = 2
} // Defs = [EFLAGS]

// Logical operators...
let Defs = [EFLAGS] in {
let isCommutable = 1 in {   // X = AND Y, Z   --> X = AND Z, Y
def AND8rr  : I<0x20, MRMDestReg,
               (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
               "and{b}\t{$src2, $dst|$dst, $src2}",
               [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
def AND16rr : I<0x21, MRMDestReg,
                (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
                "and{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
                                                      GR16:$src2))]>, OpSize;
def AND32rr : I<0x21, MRMDestReg, 
                (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
                "and{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
                                                      GR32:$src2))]>;
}

// AND instructions with the destination register in REG and the source register
//   in R/M.  Included for the disassembler.
let isCodeGenOnly = 1 in {
def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                  "and{b}\t{$src2, $dst|$dst, $src2}", []>;
def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst), 
                    (ins GR16:$src1, GR16:$src2),
                   "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst), 
                    (ins GR32:$src1, GR32:$src2),
                   "and{l}\t{$src2, $dst|$dst, $src2}", []>;
}

def AND8rm   : I<0x22, MRMSrcMem, 
                 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
                 "and{b}\t{$src2, $dst|$dst, $src2}",
                [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
                                                     (loadi8 addr:$src2)))]>;
def AND16rm  : I<0x23, MRMSrcMem, 
                 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
                 "and{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
                                                      (loadi16 addr:$src2)))]>,
               OpSize;
def AND32rm  : I<0x23, MRMSrcMem,
                 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
                 "and{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
                                                      (loadi32 addr:$src2)))]>;

def AND8ri   : Ii8<0x80, MRM4r, 
                   (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
                   "and{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
                                                        imm:$src2))]>;
def AND16ri  : Ii16<0x81, MRM4r, 
                    (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
                    "and{w}\t{$src2, $dst|$dst, $src2}",
                    [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
                                                          imm:$src2))]>, OpSize;
def AND32ri  : Ii32<0x81, MRM4r, 
                    (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
                    "and{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
                                                          imm:$src2))]>;
def AND16ri8 : Ii8<0x83, MRM4r, 
                   (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
                   "and{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
                                                         i16immSExt8:$src2))]>,
                   OpSize;
def AND32ri8 : Ii8<0x83, MRM4r, 
                   (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
                   "and{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
                                                         i32immSExt8:$src2))]>;

let Constraints = "" in {
  def AND8mr   : I<0x20, MRMDestMem,
                   (outs), (ins i8mem :$dst, GR8 :$src),
                   "and{b}\t{$src, $dst|$dst, $src}",
                   [(store (and (load addr:$dst), GR8:$src), addr:$dst),
                    (implicit EFLAGS)]>;
  def AND16mr  : I<0x21, MRMDestMem,
                   (outs), (ins i16mem:$dst, GR16:$src),
                   "and{w}\t{$src, $dst|$dst, $src}",
                   [(store (and (load addr:$dst), GR16:$src), addr:$dst),
                    (implicit EFLAGS)]>,
                   OpSize;
  def AND32mr  : I<0x21, MRMDestMem,
                   (outs), (ins i32mem:$dst, GR32:$src),
                   "and{l}\t{$src, $dst|$dst, $src}",
                   [(store (and (load addr:$dst), GR32:$src), addr:$dst),
                    (implicit EFLAGS)]>;
  def AND8mi   : Ii8<0x80, MRM4m,
                     (outs), (ins i8mem :$dst, i8imm :$src),
                     "and{b}\t{$src, $dst|$dst, $src}",
                      [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
                       (implicit EFLAGS)]>;
  def AND16mi  : Ii16<0x81, MRM4m,
                      (outs), (ins i16mem:$dst, i16imm:$src),
                      "and{w}\t{$src, $dst|$dst, $src}",
                      [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
                       (implicit EFLAGS)]>,
                      OpSize;
  def AND32mi  : Ii32<0x81, MRM4m,
                      (outs), (ins i32mem:$dst, i32imm:$src),
                      "and{l}\t{$src, $dst|$dst, $src}",
                      [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
                       (implicit EFLAGS)]>;
  def AND16mi8 : Ii8<0x83, MRM4m,
                     (outs), (ins i16mem:$dst, i16i8imm :$src),
                     "and{w}\t{$src, $dst|$dst, $src}",
                [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
                 (implicit EFLAGS)]>,
                     OpSize;
  def AND32mi8 : Ii8<0x83, MRM4m,
                     (outs), (ins i32mem:$dst, i32i8imm :$src),
                     "and{l}\t{$src, $dst|$dst, $src}",
                [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
                 (implicit EFLAGS)]>;

  def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
                   "and{b}\t{$src, %al|%al, $src}", []>;
  def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
                      "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
                      "and{l}\t{$src, %eax|%eax, $src}", []>;

} // Constraints = ""


let isCommutable = 1 in {   // X = OR Y, Z   --> X = OR Z, Y
def OR8rr    : I<0x08, MRMDestReg, (outs GR8 :$dst), 
                 (ins GR8 :$src1, GR8 :$src2),
                 "or{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
def OR16rr   : I<0x09, MRMDestReg, (outs GR16:$dst), 
                 (ins GR16:$src1, GR16:$src2),
                 "or{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
               OpSize;
def OR32rr   : I<0x09, MRMDestReg, (outs GR32:$dst), 
                 (ins GR32:$src1, GR32:$src2),
                 "or{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
}

// OR instructions with the destination register in REG and the source register
//   in R/M.  Included for the disassembler.
let isCodeGenOnly = 1 in {
def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                  "or{b}\t{$src2, $dst|$dst, $src2}", []>;
def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
                   (ins GR16:$src1, GR16:$src2),
                   "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst), 
                   (ins GR32:$src1, GR32:$src2),
                   "or{l}\t{$src2, $dst|$dst, $src2}", []>;
}
                  
def OR8rm    : I<0x0A, MRMSrcMem, (outs GR8 :$dst), 
                 (ins GR8 :$src1, i8mem :$src2),
                 "or{b}\t{$src2, $dst|$dst, $src2}",
                [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
                                                    (load addr:$src2)))]>;
def OR16rm   : I<0x0B, MRMSrcMem, (outs GR16:$dst), 
                 (ins GR16:$src1, i16mem:$src2),
                 "or{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
                                                     (load addr:$src2)))]>,
               OpSize;
def OR32rm   : I<0x0B, MRMSrcMem, (outs GR32:$dst), 
                 (ins GR32:$src1, i32mem:$src2),
                 "or{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
                                                     (load addr:$src2)))]>;

def OR8ri    : Ii8 <0x80, MRM1r, (outs GR8 :$dst), 
                    (ins GR8 :$src1, i8imm:$src2),
                    "or{b}\t{$src2, $dst|$dst, $src2}",
                    [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
def OR16ri   : Ii16<0x81, MRM1r, (outs GR16:$dst), 
                    (ins GR16:$src1, i16imm:$src2),
                    "or{w}\t{$src2, $dst|$dst, $src2}", 
                    [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
                                                        imm:$src2))]>, OpSize;
def OR32ri   : Ii32<0x81, MRM1r, (outs GR32:$dst), 
                    (ins GR32:$src1, i32imm:$src2),
                    "or{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
                                                         imm:$src2))]>;

def OR16ri8  : Ii8<0x83, MRM1r, (outs GR16:$dst), 
                   (ins GR16:$src1, i16i8imm:$src2),
                   "or{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
                                                i16immSExt8:$src2))]>, OpSize;
def OR32ri8  : Ii8<0x83, MRM1r, (outs GR32:$dst), 
                   (ins GR32:$src1, i32i8imm:$src2),
                   "or{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
                                                        i32immSExt8:$src2))]>;
let Constraints = "" in {
  def OR8mr  : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
                 "or{b}\t{$src, $dst|$dst, $src}",
                 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
                  (implicit EFLAGS)]>;
  def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
                 "or{w}\t{$src, $dst|$dst, $src}",
                 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
                  (implicit EFLAGS)]>, OpSize;
  def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
                 "or{l}\t{$src, $dst|$dst, $src}",
                 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
                  (implicit EFLAGS)]>;
  def OR8mi    : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
                 "or{b}\t{$src, $dst|$dst, $src}",
                 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
                  (implicit EFLAGS)]>;
  def OR16mi   : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
                 "or{w}\t{$src, $dst|$dst, $src}",
                 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
                  (implicit EFLAGS)]>,
                 OpSize;
  def OR32mi   : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
                 "or{l}\t{$src, $dst|$dst, $src}",
                 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
                  (implicit EFLAGS)]>;
  def OR16mi8  : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
                 "or{w}\t{$src, $dst|$dst, $src}",
                 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
                  (implicit EFLAGS)]>,
                     OpSize;
  def OR32mi8  : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
                 "or{l}\t{$src, $dst|$dst, $src}",
                 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
                  (implicit EFLAGS)]>;
                  
  def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
                   "or{b}\t{$src, %al|%al, $src}", []>;
  def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
                      "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
                      "or{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""


let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
  def XOR8rr   : I<0x30, MRMDestReg,
                   (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
                   "xor{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
                                                        GR8:$src2))]>;
  def XOR16rr  : I<0x31, MRMDestReg, 
                   (outs GR16:$dst), (ins GR16:$src1, GR16:$src2), 
                   "xor{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
                                                         GR16:$src2))]>, OpSize;
  def XOR32rr  : I<0x31, MRMDestReg, 
                   (outs GR32:$dst), (ins GR32:$src1, GR32:$src2), 
                   "xor{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
                                                         GR32:$src2))]>;
} // isCommutable = 1

// XOR instructions with the destination register in REG and the source register
//   in R/M.  Included for the disassembler.
let isCodeGenOnly = 1 in {
def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                  "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst), 
                    (ins GR16:$src1, GR16:$src2),
                   "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst), 
                    (ins GR32:$src1, GR32:$src2),
                   "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
}

def XOR8rm   : I<0x32, MRMSrcMem, 
                 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2), 
                 "xor{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
                                                      (load addr:$src2)))]>;
def XOR16rm  : I<0x33, MRMSrcMem, 
                 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2), 
                 "xor{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
                                                       (load addr:$src2)))]>,
                 OpSize;
def XOR32rm  : I<0x33, MRMSrcMem, 
                 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2), 
                 "xor{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
                                                       (load addr:$src2)))]>;

def XOR8ri  : Ii8<0x80, MRM6r, 
                  (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2), 
                  "xor{b}\t{$src2, $dst|$dst, $src2}",
                  [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
def XOR16ri : Ii16<0x81, MRM6r, 
                   (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2), 
                   "xor{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
                                                         imm:$src2))]>, OpSize;
def XOR32ri  : Ii32<0x81, MRM6r, 
                    (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2), 
                    "xor{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
                                                          imm:$src2))]>;
def XOR16ri8 : Ii8<0x83, MRM6r, 
                   (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
                   "xor{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
                                                         i16immSExt8:$src2))]>,
                   OpSize;
def XOR32ri8 : Ii8<0x83, MRM6r, 
                   (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
                   "xor{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
                                                         i32immSExt8:$src2))]>;

let Constraints = "" in {
  def XOR8mr   : I<0x30, MRMDestMem,
                   (outs), (ins i8mem :$dst, GR8 :$src),
                   "xor{b}\t{$src, $dst|$dst, $src}",
                   [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
                    (implicit EFLAGS)]>;
  def XOR16mr  : I<0x31, MRMDestMem,
                   (outs), (ins i16mem:$dst, GR16:$src),
                   "xor{w}\t{$src, $dst|$dst, $src}",
                   [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
                    (implicit EFLAGS)]>,
                   OpSize;
  def XOR32mr  : I<0x31, MRMDestMem,
                   (outs), (ins i32mem:$dst, GR32:$src),
                   "xor{l}\t{$src, $dst|$dst, $src}",
                   [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
                    (implicit EFLAGS)]>;
  def XOR8mi   : Ii8<0x80, MRM6m,
                     (outs), (ins i8mem :$dst, i8imm :$src),
                     "xor{b}\t{$src, $dst|$dst, $src}",
                    [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
                     (implicit EFLAGS)]>;
  def XOR16mi  : Ii16<0x81, MRM6m,
                      (outs), (ins i16mem:$dst, i16imm:$src),
                      "xor{w}\t{$src, $dst|$dst, $src}",
                   [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
                    (implicit EFLAGS)]>,
                      OpSize;
  def XOR32mi  : Ii32<0x81, MRM6m,
                      (outs), (ins i32mem:$dst, i32imm:$src),
                      "xor{l}\t{$src, $dst|$dst, $src}",
                   [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
                    (implicit EFLAGS)]>;
  def XOR16mi8 : Ii8<0x83, MRM6m,
                     (outs), (ins i16mem:$dst, i16i8imm :$src),
                     "xor{w}\t{$src, $dst|$dst, $src}",
                 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
                  (implicit EFLAGS)]>,
                     OpSize;
  def XOR32mi8 : Ii8<0x83, MRM6m,
                     (outs), (ins i32mem:$dst, i32i8imm :$src),
                     "xor{l}\t{$src, $dst|$dst, $src}",
                 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
                  (implicit EFLAGS)]>;
                  
  def XOR8i8   : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
                      "xor{b}\t{$src, %al|%al, $src}", []>;
  def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
                      "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
                      "xor{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""
} // Defs = [EFLAGS]


// Arithmetic.
let Defs = [EFLAGS] in {
let isCommutable = 1 in {   // X = ADD Y, Z   --> X = ADD Z, Y
// Register-Register Addition
def ADD8rr    : I<0x00, MRMDestReg, (outs GR8 :$dst),
                                    (ins GR8 :$src1, GR8 :$src2),
                  "add{b}\t{$src2, $dst|$dst, $src2}",
                  [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;

let isConvertibleToThreeAddress = 1 in {   // Can transform into LEA.
// Register-Register Addition
def ADD16rr  : I<0x01, MRMDestReg, (outs GR16:$dst),
                                   (ins GR16:$src1, GR16:$src2),
                 "add{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
                                                       GR16:$src2))]>, OpSize;
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst),
                                   (ins GR32:$src1, GR32:$src2),
                 "add{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
                                                       GR32:$src2))]>;
} // end isConvertibleToThreeAddress
} // end isCommutable

// These are alternate spellings for use by the disassembler, we mark them as
// code gen only to ensure they aren't matched by the assembler.
let isCodeGenOnly = 1 in {
  def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                   "add{b}\t{$src2, $dst|$dst, $src2}", []>;
  def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
                    "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
  def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
                    "add{l}\t{$src2, $dst|$dst, $src2}", []>;
}

// Register-Memory Addition
def ADD8rm   : I<0x02, MRMSrcMem, (outs GR8 :$dst),
                                  (ins GR8 :$src1, i8mem :$src2),
                 "add{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
                                                      (load addr:$src2)))]>;
def ADD16rm  : I<0x03, MRMSrcMem, (outs GR16:$dst),
                                  (ins GR16:$src1, i16mem:$src2),
                 "add{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
                                                  (load addr:$src2)))]>, OpSize;
def ADD32rm  : I<0x03, MRMSrcMem, (outs GR32:$dst),
                                  (ins GR32:$src1, i32mem:$src2),
                 "add{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
                                                       (load addr:$src2)))]>;
                  
// Register-Integer Addition
def ADD8ri    : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
                    "add{b}\t{$src2, $dst|$dst, $src2}",
                    [(set GR8:$dst, EFLAGS,
                          (X86add_flag GR8:$src1, imm:$src2))]>;

let isConvertibleToThreeAddress = 1 in {   // Can transform into LEA.
// Register-Integer Addition
def ADD16ri  : Ii16<0x81, MRM0r, (outs GR16:$dst),
                                 (ins GR16:$src1, i16imm:$src2),
                    "add{w}\t{$src2, $dst|$dst, $src2}",
                    [(set GR16:$dst, EFLAGS,
                          (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
def ADD32ri  : Ii32<0x81, MRM0r, (outs GR32:$dst),
                                 (ins GR32:$src1, i32imm:$src2),
                    "add{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, EFLAGS, 
                          (X86add_flag GR32:$src1, imm:$src2))]>;
def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
                                (ins GR16:$src1, i16i8imm:$src2),
                   "add{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS,
                         (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
                                (ins GR32:$src1, i32i8imm:$src2),
                   "add{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS,
                         (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
}

let Constraints = "" in {
  // Memory-Register Addition
  def ADD8mr   : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
                   "add{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
                    (implicit EFLAGS)]>;
  def ADD16mr  : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
                   "add{w}\t{$src2, $dst|$dst, $src2}",
                   [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
                    (implicit EFLAGS)]>, OpSize;
  def ADD32mr  : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
                   "add{l}\t{$src2, $dst|$dst, $src2}",
                   [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
                    (implicit EFLAGS)]>;
  def ADD8mi   : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
                     "add{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
                    (implicit EFLAGS)]>;
  def ADD16mi  : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
                      "add{w}\t{$src2, $dst|$dst, $src2}",
                  [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
                   (implicit EFLAGS)]>, OpSize;
  def ADD32mi  : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
                      "add{l}\t{$src2, $dst|$dst, $src2}",
                      [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
                       (implicit EFLAGS)]>;
  def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
                     "add{w}\t{$src2, $dst|$dst, $src2}",
                     [(store (add (load addr:$dst), i16immSExt8:$src2),
                                  addr:$dst),
                      (implicit EFLAGS)]>, OpSize;
  def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
                     "add{l}\t{$src2, $dst|$dst, $src2}",
                  [(store (add (load addr:$dst), i32immSExt8:$src2),
                               addr:$dst),
                   (implicit EFLAGS)]>;

  // addition to rAX
  def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
                   "add{b}\t{$src, %al|%al, $src}", []>;
  def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
                      "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
                      "add{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""

let Uses = [EFLAGS] in {
let isCommutable = 1 in {  // X = ADC Y, Z --> X = ADC Z, Y
def ADC8rr   : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                 "adc{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
def ADC16rr  : I<0x11, MRMDestReg, (outs GR16:$dst),
                                   (ins GR16:$src1, GR16:$src2),
                 "adc{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
def ADC32rr  : I<0x11, MRMDestReg, (outs GR32:$dst),
                                   (ins GR32:$src1, GR32:$src2),
                 "adc{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
}

let isCodeGenOnly = 1 in {
def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst), 
                    (ins GR16:$src1, GR16:$src2),
                    "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst), 
                    (ins GR32:$src1, GR32:$src2),
                    "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
}

def ADC8rm   : I<0x12, MRMSrcMem , (outs GR8:$dst), 
                                   (ins GR8:$src1, i8mem:$src2),
                 "adc{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
def ADC16rm  : I<0x13, MRMSrcMem , (outs GR16:$dst),
                                   (ins GR16:$src1, i16mem:$src2),
                 "adc{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
                 OpSize;
def ADC32rm  : I<0x13, MRMSrcMem , (outs GR32:$dst),
                                   (ins GR32:$src1, i32mem:$src2),
                 "adc{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
def ADC8ri   : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
                    "adc{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
def ADC16ri  : Ii16<0x81, MRM2r, (outs GR16:$dst),
                                 (ins GR16:$src1, i16imm:$src2),
                    "adc{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
                                (ins GR16:$src1, i16i8imm:$src2),
                   "adc{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
                 OpSize;
def ADC32ri  : Ii32<0x81, MRM2r, (outs GR32:$dst),
                                 (ins GR32:$src1, i32imm:$src2),
                    "adc{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
                                (ins GR32:$src1, i32i8imm:$src2),
                   "adc{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;

let Constraints = "" in {
  def ADC8mr   : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
                   "adc{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
  def ADC16mr  : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
                   "adc{w}\t{$src2, $dst|$dst, $src2}",
                   [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
                   OpSize;
  def ADC32mr  : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
                   "adc{l}\t{$src2, $dst|$dst, $src2}",
                   [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
  def ADC8mi   : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
                      "adc{b}\t{$src2, $dst|$dst, $src2}",
                  [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
  def ADC16mi  : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
                      "adc{w}\t{$src2, $dst|$dst, $src2}",
                  [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
                  OpSize;
  def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
                     "adc{w}\t{$src2, $dst|$dst, $src2}",
               [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
               OpSize;
  def ADC32mi  : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
                      "adc{l}\t{$src2, $dst|$dst, $src2}",
                  [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
  def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
                     "adc{l}\t{$src2, $dst|$dst, $src2}",
               [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;

  def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
                   "adc{b}\t{$src, %al|%al, $src}", []>;
  def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
                      "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
                      "adc{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""
} // Uses = [EFLAGS]

// Register-Register Subtraction
def SUB8rr  : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                "sub{b}\t{$src2, $dst|$dst, $src2}",
                [(set GR8:$dst, EFLAGS,
                      (X86sub_flag GR8:$src1, GR8:$src2))]>;
def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
                "sub{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, EFLAGS,
                      (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
                "sub{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, EFLAGS,
                      (X86sub_flag GR32:$src1, GR32:$src2))]>;

let isCodeGenOnly = 1 in {
def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                   "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst), 
                    (ins GR16:$src1, GR16:$src2),
                    "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst), 
                    (ins GR32:$src1, GR32:$src2),
                    "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
}

// Register-Memory Subtraction
def SUB8rm  : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
                                 (ins GR8 :$src1, i8mem :$src2),
                "sub{b}\t{$src2, $dst|$dst, $src2}",
                [(set GR8:$dst, EFLAGS,
                      (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
                                 (ins GR16:$src1, i16mem:$src2),
                "sub{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, EFLAGS,
                      (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
                                 (ins GR32:$src1, i32mem:$src2),
                "sub{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, EFLAGS,
                      (X86sub_flag GR32:$src1, (load addr:$src2)))]>;

// Register-Integer Subtraction
def SUB8ri   : Ii8 <0x80, MRM5r, (outs GR8:$dst),
                                 (ins GR8:$src1, i8imm:$src2),
                    "sub{b}\t{$src2, $dst|$dst, $src2}",
                    [(set GR8:$dst, EFLAGS,
                          (X86sub_flag GR8:$src1, imm:$src2))]>;
def SUB16ri  : Ii16<0x81, MRM5r, (outs GR16:$dst),
                                 (ins GR16:$src1, i16imm:$src2),
                    "sub{w}\t{$src2, $dst|$dst, $src2}",
                    [(set GR16:$dst, EFLAGS,
                          (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
def SUB32ri  : Ii32<0x81, MRM5r, (outs GR32:$dst),
                                 (ins GR32:$src1, i32imm:$src2),
                    "sub{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, EFLAGS,
                          (X86sub_flag GR32:$src1, imm:$src2))]>;
def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
                                (ins GR16:$src1, i16i8imm:$src2),
                   "sub{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, EFLAGS,
                         (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
                                (ins GR32:$src1, i32i8imm:$src2),
                   "sub{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, EFLAGS,
                         (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;

let Constraints = "" in {
  // Memory-Register Subtraction
  def SUB8mr   : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
                   "sub{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
                    (implicit EFLAGS)]>;
  def SUB16mr  : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
                   "sub{w}\t{$src2, $dst|$dst, $src2}",
                   [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
                    (implicit EFLAGS)]>, OpSize;
  def SUB32mr  : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), 
                   "sub{l}\t{$src2, $dst|$dst, $src2}",
                   [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
                    (implicit EFLAGS)]>;

  // Memory-Integer Subtraction
  def SUB8mi   : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2), 
                     "sub{b}\t{$src2, $dst|$dst, $src2}",
                     [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
                      (implicit EFLAGS)]>;
  def SUB16mi  : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2), 
                      "sub{w}\t{$src2, $dst|$dst, $src2}",
                      [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
                       (implicit EFLAGS)]>, OpSize;
  def SUB32mi  : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2), 
                      "sub{l}\t{$src2, $dst|$dst, $src2}",
                      [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
                       (implicit EFLAGS)]>;
  def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2), 
                     "sub{w}\t{$src2, $dst|$dst, $src2}",
                     [(store (sub (load addr:$dst), i16immSExt8:$src2),
                             addr:$dst),
                      (implicit EFLAGS)]>, OpSize;
  def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
                     "sub{l}\t{$src2, $dst|$dst, $src2}",
                     [(store (sub (load addr:$dst), i32immSExt8:$src2),
                             addr:$dst),
                      (implicit EFLAGS)]>;
                      
  def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
                   "sub{b}\t{$src, %al|%al, $src}", []>;
  def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
                      "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
                      "sub{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""

let Uses = [EFLAGS] in {
def SBB8rr     : I<0x18, MRMDestReg, (outs GR8:$dst),
                                     (ins GR8:$src1, GR8:$src2),
                  "sbb{b}\t{$src2, $dst|$dst, $src2}",
                 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
def SBB16rr    : I<0x19, MRMDestReg, (outs GR16:$dst),
                                     (ins GR16:$src1, GR16:$src2),
                  "sbb{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
def SBB32rr    : I<0x19, MRMDestReg, (outs GR32:$dst),
                                      (ins GR32:$src1, GR32:$src2),
                  "sbb{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;

let Constraints = "" in {
  def SBB8mr   : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2), 
                   "sbb{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
  def SBB16mr  : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2), 
                   "sbb{w}\t{$src2, $dst|$dst, $src2}",
                   [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
                   OpSize;
  def SBB32mr  : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2), 
                   "sbb{l}\t{$src2, $dst|$dst, $src2}",
                   [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
  def SBB8mi  : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2), 
                    "sbb{b}\t{$src2, $dst|$dst, $src2}",
                   [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
  def SBB16mi  : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2), 
                      "sbb{w}\t{$src2, $dst|$dst, $src2}",
                  [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
                  OpSize;
  def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2), 
                     "sbb{w}\t{$src2, $dst|$dst, $src2}",
               [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
               OpSize;
  def SBB32mi  : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2), 
                      "sbb{l}\t{$src2, $dst|$dst, $src2}",
                  [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
  def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2), 
                     "sbb{l}\t{$src2, $dst|$dst, $src2}",
               [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
               
  def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
                   "sbb{b}\t{$src, %al|%al, $src}", []>;
  def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
                      "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
  def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
                      "sbb{l}\t{$src, %eax|%eax, $src}", []>;
} // Constraints = ""

let isCodeGenOnly = 1 in {
def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                   "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst), 
                    (ins GR16:$src1, GR16:$src2),
                    "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst), 
                    (ins GR32:$src1, GR32:$src2),
                    "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
}

def SBB8rm   : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
                    "sbb{b}\t{$src2, $dst|$dst, $src2}",
                    [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
def SBB16rm  : I<0x1B, MRMSrcMem, (outs GR16:$dst),
                                  (ins GR16:$src1, i16mem:$src2),
                    "sbb{w}\t{$src2, $dst|$dst, $src2}",
                    [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
                    OpSize;
def SBB32rm  : I<0x1B, MRMSrcMem, (outs GR32:$dst),
                                  (ins GR32:$src1, i32mem:$src2),
                    "sbb{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
def SBB8ri   : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
                    "sbb{b}\t{$src2, $dst|$dst, $src2}",
                    [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
def SBB16ri  : Ii16<0x81, MRM3r, (outs GR16:$dst),
                                 (ins GR16:$src1, i16imm:$src2),
                    "sbb{w}\t{$src2, $dst|$dst, $src2}",
                    [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
                                (ins GR16:$src1, i16i8imm:$src2),
                   "sbb{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
                   OpSize;
def SBB32ri  : Ii32<0x81, MRM3r, (outs GR32:$dst), 
                                 (ins GR32:$src1, i32imm:$src2),
                    "sbb{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
                                (ins GR32:$src1, i32i8imm:$src2),
                   "sbb{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
} // Uses = [EFLAGS]
} // Defs = [EFLAGS]

let Defs = [EFLAGS] in {
let isCommutable = 1 in {  // X = IMUL Y, Z --> X = IMUL Z, Y
// Register-Register Signed Integer Multiply
def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
                 "imul{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS,
                       (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
                 "imul{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS,
                       (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
}

// Register-Memory Signed Integer Multiply
def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
                                  (ins GR16:$src1, i16mem:$src2),
                 "imul{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, EFLAGS,
                       (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
               TB, OpSize;
def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), 
                 (ins GR32:$src1, i32mem:$src2),
                 "imul{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, EFLAGS,
                       (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
} // Defs = [EFLAGS]
} // end Two Address instructions

// Suprisingly enough, these are not two address instructions!
let Defs = [EFLAGS] in {
// Register-Integer Signed Integer Multiply
def IMUL16rri  : Ii16<0x69, MRMSrcReg,                      // GR16 = GR16*I16
                      (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
                      "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
                      [(set GR16:$dst, EFLAGS, 
                            (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
def IMUL32rri  : Ii32<0x69, MRMSrcReg,                      // GR32 = GR32*I32
                      (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
                      "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
                      [(set GR32:$dst, EFLAGS,
                            (X86smul_flag GR32:$src1, imm:$src2))]>;
def IMUL16rri8 : Ii8<0x6B, MRMSrcReg,                       // GR16 = GR16*I8