X86InstrInfo.td

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

let isTwoAddress = 0 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}", []>;
} // isTwoAddress = 0
} // Defs = [EFLAGS]

// Shift instructions
let Defs = [EFLAGS] in {
let Uses = [CL] in {
def SHL8rCL  : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
                 "shl{b}\t{%cl, $dst|$dst, CL}",
                 [(set GR8:$dst, (shl GR8:$src, CL))]>;
def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
                 "shl{w}\t{%cl, $dst|$dst, CL}",
                 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
                 "shl{l}\t{%cl, $dst|$dst, CL}",
                 [(set GR32:$dst, (shl GR32:$src, CL))]>;
} // Uses = [CL]

def SHL8ri   : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
                   "shl{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
let isConvertibleToThreeAddress = 1 in {   // Can transform into LEA.
def SHL16ri  : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
                   "shl{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
def SHL32ri  : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
                   "shl{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;

// NOTE: We don't include patterns for shifts of a register by one, because
// 'add reg,reg' is cheaper.

def SHL8r1   : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
                 "shl{b}\t$dst", []>;
def SHL16r1  : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
                 "shl{w}\t$dst", []>, OpSize;
def SHL32r1  : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
                 "shl{l}\t$dst", []>;

} // isConvertibleToThreeAddress = 1

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def SHL8mCL  : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
                   "shl{b}\t{%cl, $dst|$dst, CL}",
                   [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
  def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
                   "shl{w}\t{%cl, $dst|$dst, CL}",
                   [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
  def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
                   "shl{l}\t{%cl, $dst|$dst, CL}",
                   [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
  }
  def SHL8mi   : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
                     "shl{b}\t{$src, $dst|$dst, $src}",
                  [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
  def SHL16mi  : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
                     "shl{w}\t{$src, $dst|$dst, $src}",
                 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
                     OpSize;
  def SHL32mi  : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
                     "shl{l}\t{$src, $dst|$dst, $src}",
                 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;

  // Shift by 1
  def SHL8m1   : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
                   "shl{b}\t$dst",
                  [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
  def SHL16m1  : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
                   "shl{w}\t$dst",
                 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
                     OpSize;
  def SHL32m1  : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
                   "shl{l}\t$dst",
                 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
}

let Uses = [CL] in {
def SHR8rCL  : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
                 "shr{b}\t{%cl, $dst|$dst, CL}",
                 [(set GR8:$dst, (srl GR8:$src, CL))]>;
def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
                 "shr{w}\t{%cl, $dst|$dst, CL}",
                 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
                 "shr{l}\t{%cl, $dst|$dst, CL}",
                 [(set GR32:$dst, (srl GR32:$src, CL))]>;
}

def SHR8ri   : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
                   "shr{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
def SHR16ri  : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
                   "shr{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
def SHR32ri  : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
                   "shr{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;

// Shift by 1
def SHR8r1   : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
                 "shr{b}\t$dst",
                 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
def SHR16r1  : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
                 "shr{w}\t$dst",
                 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
def SHR32r1  : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
                 "shr{l}\t$dst",
                 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def SHR8mCL  : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
                   "shr{b}\t{%cl, $dst|$dst, CL}",
                   [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
  def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
                   "shr{w}\t{%cl, $dst|$dst, CL}",
                   [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
                   OpSize;
  def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
                   "shr{l}\t{%cl, $dst|$dst, CL}",
                   [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
  }
  def SHR8mi   : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
                     "shr{b}\t{$src, $dst|$dst, $src}",
                  [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
  def SHR16mi  : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
                     "shr{w}\t{$src, $dst|$dst, $src}",
                 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
                     OpSize;
  def SHR32mi  : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
                     "shr{l}\t{$src, $dst|$dst, $src}",
                 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;

  // Shift by 1
  def SHR8m1   : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
                   "shr{b}\t$dst",
                  [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
  def SHR16m1  : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
                   "shr{w}\t$dst",
                 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
  def SHR32m1  : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
                   "shr{l}\t$dst",
                 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
}

let Uses = [CL] in {
def SAR8rCL  : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
                 "sar{b}\t{%cl, $dst|$dst, CL}",
                 [(set GR8:$dst, (sra GR8:$src, CL))]>;
def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
                 "sar{w}\t{%cl, $dst|$dst, CL}",
                 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
                 "sar{l}\t{%cl, $dst|$dst, CL}",
                 [(set GR32:$dst, (sra GR32:$src, CL))]>;
}

def SAR8ri   : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
                   "sar{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
def SAR16ri  : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
                   "sar{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
                   OpSize;
def SAR32ri  : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
                   "sar{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;

// Shift by 1
def SAR8r1   : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
                 "sar{b}\t$dst",
                 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
def SAR16r1  : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
                 "sar{w}\t$dst",
                 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
def SAR32r1  : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
                 "sar{l}\t$dst",
                 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def SAR8mCL  : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
                   "sar{b}\t{%cl, $dst|$dst, CL}",
                   [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
  def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
                   "sar{w}\t{%cl, $dst|$dst, CL}",
                   [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
  def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst), 
                   "sar{l}\t{%cl, $dst|$dst, CL}",
                   [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
  }
  def SAR8mi   : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
                     "sar{b}\t{$src, $dst|$dst, $src}",
                  [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
  def SAR16mi  : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
                     "sar{w}\t{$src, $dst|$dst, $src}",
                 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
                     OpSize;
  def SAR32mi  : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
                     "sar{l}\t{$src, $dst|$dst, $src}",
                 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;

  // Shift by 1
  def SAR8m1   : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
                   "sar{b}\t$dst",
                  [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
  def SAR16m1  : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
                   "sar{w}\t$dst",
                 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
                     OpSize;
  def SAR32m1  : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
                   "sar{l}\t$dst",
                 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
}

// Rotate instructions

def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
               "rcl{b}\t{1, $dst|$dst, 1}", []>;
def RCL8m1 : I<0xD0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
               "rcl{b}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
                "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
def RCL8mCL : I<0xD2, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
                "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
}
def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
                 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL8mi : Ii8<0xC0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
                 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
  
def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
                "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
def RCL16m1 : I<0xD1, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
                "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
let Uses = [CL] in {
def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
                 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
def RCL16mCL : I<0xD3, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
                 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
}
def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
                  "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCL16mi : Ii8<0xC1, MRM2m, (outs i16mem:$dst), 
                  (ins i16mem:$src, i8imm:$cnt),
                  "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;

def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
                "rcl{l}\t{1, $dst|$dst, 1}", []>;
def RCL32m1 : I<0xD1, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
                "rcl{l}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
                 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
def RCL32mCL : I<0xD3, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
                 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
}
def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
                  "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCL32mi : Ii8<0xC1, MRM2m, (outs i32mem:$dst), 
                  (ins i32mem:$src, i8imm:$cnt),
                  "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
                  
def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
               "rcr{b}\t{1, $dst|$dst, 1}", []>;
def RCR8m1 : I<0xD0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
               "rcr{b}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
                "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
def RCR8mCL : I<0xD2, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
                "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
}
def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
                 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR8mi : Ii8<0xC0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
                 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
  
def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
                "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
def RCR16m1 : I<0xD1, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
                "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
let Uses = [CL] in {
def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
                 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
def RCR16mCL : I<0xD3, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
                 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
}
def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
                  "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
def RCR16mi : Ii8<0xC1, MRM3m, (outs i16mem:$dst), 
                  (ins i16mem:$src, i8imm:$cnt),
                  "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;

def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
                "rcr{l}\t{1, $dst|$dst, 1}", []>;
def RCR32m1 : I<0xD1, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
                "rcr{l}\t{1, $dst|$dst, 1}", []>;
let Uses = [CL] in {
def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
                 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
def RCR32mCL : I<0xD3, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
                 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
}
def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
                  "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
def RCR32mi : Ii8<0xC1, MRM3m, (outs i32mem:$dst), 
                  (ins i32mem:$src, i8imm:$cnt),
                  "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;

// FIXME: provide shorter instructions when imm8 == 1
let Uses = [CL] in {
def ROL8rCL  : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
                 "rol{b}\t{%cl, $dst|$dst, CL}",
                 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
                 "rol{w}\t{%cl, $dst|$dst, CL}",
                 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
                 "rol{l}\t{%cl, $dst|$dst, CL}",
                 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
}

def ROL8ri   : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
                   "rol{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
def ROL16ri  : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
                   "rol{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, 
                   OpSize;
def ROL32ri  : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
                   "rol{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;

// Rotate by 1
def ROL8r1   : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
                 "rol{b}\t$dst",
                 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
def ROL16r1  : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
                 "rol{w}\t$dst",
                 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
def ROL32r1  : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
                 "rol{l}\t$dst",
                 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def ROL8mCL  : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
                   "rol{b}\t{%cl, $dst|$dst, CL}",
                   [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
  def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
                   "rol{w}\t{%cl, $dst|$dst, CL}",
                   [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
  def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
                   "rol{l}\t{%cl, $dst|$dst, CL}",
                   [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
  }
  def ROL8mi   : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
                     "rol{b}\t{$src, $dst|$dst, $src}",
                 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
  def ROL16mi  : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
                     "rol{w}\t{$src, $dst|$dst, $src}",
                [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
                     OpSize;
  def ROL32mi  : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
                     "rol{l}\t{$src, $dst|$dst, $src}",
                [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;

  // Rotate by 1
  def ROL8m1   : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
                   "rol{b}\t$dst",
                 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
  def ROL16m1  : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
                   "rol{w}\t$dst",
                [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
                     OpSize;
  def ROL32m1  : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
                   "rol{l}\t$dst",
                [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
}

let Uses = [CL] in {
def ROR8rCL  : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
                 "ror{b}\t{%cl, $dst|$dst, CL}",
                 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
                 "ror{w}\t{%cl, $dst|$dst, CL}",
                 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
                 "ror{l}\t{%cl, $dst|$dst, CL}",
                 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
}

def ROR8ri   : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
                   "ror{b}\t{$src2, $dst|$dst, $src2}",
                   [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
def ROR16ri  : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
                   "ror{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, 
                   OpSize;
def ROR32ri  : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
                   "ror{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;

// Rotate by 1
def ROR8r1   : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
                 "ror{b}\t$dst",
                 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
def ROR16r1  : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
                 "ror{w}\t$dst",
                 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
def ROR32r1  : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
                 "ror{l}\t$dst",
                 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def ROR8mCL  : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
                   "ror{b}\t{%cl, $dst|$dst, CL}",
                   [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
  def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
                   "ror{w}\t{%cl, $dst|$dst, CL}",
                   [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
  def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst), 
                   "ror{l}\t{%cl, $dst|$dst, CL}",
                   [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
  }
  def ROR8mi   : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
                     "ror{b}\t{$src, $dst|$dst, $src}",
                 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
  def ROR16mi  : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
                     "ror{w}\t{$src, $dst|$dst, $src}",
                [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
                     OpSize;
  def ROR32mi  : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
                     "ror{l}\t{$src, $dst|$dst, $src}",
                [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;

  // Rotate by 1
  def ROR8m1   : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
                   "ror{b}\t$dst",
                 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
  def ROR16m1  : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
                   "ror{w}\t$dst",
                [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
                     OpSize;
  def ROR32m1  : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
                   "ror{l}\t$dst",
                [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
}



// Double shift instructions (generalizations of rotate)
let Uses = [CL] in {
def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), 
                   (ins GR32:$src1, GR32:$src2),
                   "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                   [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
                   (ins GR32:$src1, GR32:$src2),
                   "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                   [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), 
                   (ins GR16:$src1, GR16:$src2),
                   "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                   [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
                   TB, OpSize;
def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), 
                   (ins GR16:$src1, GR16:$src2),
                   "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                   [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
                   TB, OpSize;
}

let isCommutable = 1 in {  // These instructions commute to each other.
def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
                     (outs GR32:$dst), 
                     (ins GR32:$src1, GR32:$src2, i8imm:$src3),
                     "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                     [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
                                      (i8 imm:$src3)))]>,
                 TB;
def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
                     (outs GR32:$dst), 
                     (ins GR32:$src1, GR32:$src2, i8imm:$src3),
                     "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                     [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
                                      (i8 imm:$src3)))]>,
                 TB;
def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
                     (outs GR16:$dst), 
                     (ins GR16:$src1, GR16:$src2, i8imm:$src3),
                     "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                     [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
                                      (i8 imm:$src3)))]>,
                     TB, OpSize;
def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
                     (outs GR16:$dst), 
                     (ins GR16:$src1, GR16:$src2, i8imm:$src3),
                     "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                     [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
                                      (i8 imm:$src3)))]>,
                     TB, OpSize;
}

let isTwoAddress = 0 in {
  let Uses = [CL] in {
  def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
                     "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                     [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
                       addr:$dst)]>, TB;
  def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
                    "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                    [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
                      addr:$dst)]>, TB;
  }
  def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
                      (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
                      "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                      [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
                                        (i8 imm:$src3)), addr:$dst)]>,
                      TB;
  def SHRD32mri8 : Ii8<0xAC, MRMDestMem, 
                       (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
                       "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                       [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
                                         (i8 imm:$src3)), addr:$dst)]>,
                       TB;

  let Uses = [CL] in {
  def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
                     "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                     [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
                       addr:$dst)]>, TB, OpSize;
  def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
                    "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
                    [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
                      addr:$dst)]>, TB, OpSize;
  }
  def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
                      (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
                      "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                      [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
                                        (i8 imm:$src3)), addr:$dst)]>,
                      TB, OpSize;
  def SHRD16mri8 : Ii8<0xAC, MRMDestMem, 
                       (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
                       "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
                      [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
                                        (i8 imm:$src3)), addr:$dst)]>,
                       TB, OpSize;
}
} // 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, (add GR8:$src1, GR8:$src2)),
                   (implicit EFLAGS)]>;

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, (add GR16:$src1, GR16:$src2)),
                  (implicit EFLAGS)]>, OpSize;
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst),
                                   (ins GR32:$src1, GR32:$src2),
                 "add{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
                  (implicit EFLAGS)]>;
} // end isConvertibleToThreeAddress
} // end isCommutable

// 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, (add GR8:$src1, (load addr:$src2))),
                  (implicit EFLAGS)]>;
def ADD16rm  : I<0x03, MRMSrcMem, (outs GR16:$dst),
                                  (ins GR16:$src1, i16mem:$src2),
                 "add{w}\t{$src2, $dst|$dst, $src2}",
                 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
                  (implicit EFLAGS)]>, OpSize;
def ADD32rm  : I<0x03, MRMSrcMem, (outs GR32:$dst),
                                  (ins GR32:$src1, i32mem:$src2),
                 "add{l}\t{$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
                  (implicit EFLAGS)]>;
                  
// Register-Register Addition - Equivalent to the normal rr forms (ADD8rr, 
//   ADD16rr, and ADD32rr), but differently encoded.
def ADD8mrmrr: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
                 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
def ADD16mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
                  "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
def ADD32mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
                  "add{l}\t{$src2, $dst|$dst, $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, (add GR8:$src1, imm:$src2)),
                     (implicit EFLAGS)]>;

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, (add GR16:$src1, imm:$src2)),
                     (implicit EFLAGS)]>, OpSize;
def ADD32ri  : Ii32<0x81, MRM0r, (outs GR32:$dst),
                                 (ins GR32:$src1, i32imm:$src2),
                    "add{l}\t{$src2, $dst|$dst, $src2}",
                    [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
                     (implicit EFLAGS)]>;
def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
                                (ins GR16:$src1, i16i8imm:$src2),
                   "add{w}\t{$src2, $dst|$dst, $src2}",
                   [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
                    (implicit EFLAGS)]>, OpSize;
def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
                                (ins GR32:$src1, i32i8imm:$src2),
                   "add{l}\t{$src2, $dst|$dst, $src2}",
                   [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
                    (implicit EFLAGS)]>;
}

let isTwoAddress = 0 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}", []>;
}

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))]>;
}

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 isTwoAddress = 0 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}", []>;
}
} // 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, (sub GR8:$src1, GR8:$src2)),
                 (implicit EFLAGS)]>;
def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
                "sub{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
                 (implicit EFLAGS)]>, OpSize;
def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
                "sub{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
                 (implicit EFLAGS)]>;

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, (sub GR8:$src1, (load addr:$src2))),
                 (implicit EFLAGS)]>;
def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
                                 (ins GR16:$src1, i16mem:$src2),
                "sub{w}\t{$src2, $dst|$dst, $src2}",
                [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
                 (implicit EFLAGS)]>, OpSize;
def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
                                 (ins GR32:$src1, i32mem:$src2),
                "sub{l}\t{$src2, $dst|$dst, $src2}",
                [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
                 (implicit EFLAGS)]>;

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

let isTwoAddress = 0 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}", []>;
}

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 isTwoAddress = 0 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  : Ii32<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}",