Convert all I<> instructions to asmformat.

Delete the 'name' field of all instructions that have asmformats.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15403 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 302 insertions, 224 deletions

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 2ec2cb1..3b411a9 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -126,7 +126,7 @@ class DF     { bits<4> Prefix = 10; }
 //===----------------------------------------------------------------------===//
 // Instruction templates...
 
-class I<string n, bits<8> o, Format f> : X86Inst<n, o, f, NoMem, NoImm>;
+class I<bits<8> o, Format f> : X86Inst<"", o, f, NoMem, NoImm>;
 
 class Im<string n, bits<8> o, Format f, MemType m> : X86Inst<n, o, f, m, NoImm>;
 class Im8 <string n, bits<8> o, Format f> : Im<n, o, f, Mem8 >;
@@ -149,17 +149,16 @@ class Im32i8<string n, bits<8> o, Format f> : X86Inst<n, o, f, Mem32, Imm8>;
 // Instruction list...
 //
 
-def PHI : I<"PHI", 0, Pseudo>;        // PHI node...
-def NOOP : I<"nop", 0x90, RawFrm>,    // nop
-           II<(ops), "nop">;
+def PHI : I<0, Pseudo>;        // PHI node.
+def NOOP : I<0x90, RawFrm>, II<(ops), "nop">; // nop
 
-def ADJCALLSTACKDOWN : I<"ADJCALLSTACKDOWN", 0, Pseudo>;
-def ADJCALLSTACKUP   : I<"ADJCALLSTACKUP",   0, Pseudo>;
-def IMPLICIT_USE     : I<"IMPLICIT_USE",     0, Pseudo>;
-def IMPLICIT_DEF     : I<"IMPLICIT_DEF",     0, Pseudo>;
+def ADJCALLSTACKDOWN : I<0, Pseudo>;
+def ADJCALLSTACKUP   : I<0, Pseudo>;
+def IMPLICIT_USE     : I<0, Pseudo>;
+def IMPLICIT_DEF     : I<0, Pseudo>;
 let isTerminator = 1 in
   let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
-    def FP_REG_KILL    : I<"FP_REG_KILL",      0, Pseudo>;
+    def FP_REG_KILL  : I<0, Pseudo>;
 
 //===----------------------------------------------------------------------===//
 //  Control Flow Instructions...
@@ -167,27 +166,26 @@ let isTerminator = 1 in
 
 // Return instruction...
 let isTerminator = 1, isReturn = 1, isBarrier = 1 in
-  def RET : I<"ret", 0xC3, RawFrm>,
-            II<(ops), "ret">;
+  def RET : I<0xC3, RawFrm>, II<(ops), "ret">;
 
 // All branches are RawFrm, Void, Branch, and Terminators
 let isBranch = 1, isTerminator = 1 in
-  class IBr<string name, bits<8> opcode> : I<name, opcode, RawFrm>;
+  class IBr<bits<8> opcode> : I<opcode, RawFrm>;
 
 let isBarrier = 1 in
-  def JMP : IBr<"jmp", 0xE9>;
-def JB  : IBr<"jb" , 0x82>, TB;
-def JAE : IBr<"jae", 0x83>, TB;
-def JE  : IBr<"je" , 0x84>, TB;
-def JNE : IBr<"jne", 0x85>, TB;
-def JBE : IBr<"jbe", 0x86>, TB;
-def JA  : IBr<"ja" , 0x87>, TB;
-def JS  : IBr<"js" , 0x88>, TB;
-def JNS : IBr<"jns", 0x89>, TB;
-def JL  : IBr<"jl" , 0x8C>, TB;
-def JGE : IBr<"jge", 0x8D>, TB;
-def JLE : IBr<"jle", 0x8E>, TB;
-def JG  : IBr<"jg" , 0x8F>, TB;
+  def JMP : IBr<0xE9>, II<(ops i32imm:$dst), "jmp $dst">;
+def JB  : IBr<0x82>, TB, II<(ops i32imm:$dst), "jb $dst">;
+def JAE : IBr<0x83>, TB, II<(ops i32imm:$dst), "jae $dst">;
+def JE  : IBr<0x84>, TB, II<(ops i32imm:$dst), "je $dst">;
+def JNE : IBr<0x85>, TB, II<(ops i32imm:$dst), "jne $dst">;
+def JBE : IBr<0x86>, TB, II<(ops i32imm:$dst), "jbe $dst">;
+def JA  : IBr<0x87>, TB, II<(ops i32imm:$dst), "ja $dst">;
+def JS  : IBr<0x88>, TB, II<(ops i32imm:$dst), "js $dst">;
+def JNS : IBr<0x89>, TB, II<(ops i32imm:$dst), "jns $dst">;
+def JL  : IBr<0x8C>, TB, II<(ops i32imm:$dst), "jl $dst">;
+def JGE : IBr<0x8D>, TB, II<(ops i32imm:$dst), "jge $dst">;
+def JLE : IBr<0x8E>, TB, II<(ops i32imm:$dst), "jle $dst">;
+def JG  : IBr<0x8F>, TB, II<(ops i32imm:$dst), "jg $dst">;
 
 
 //===----------------------------------------------------------------------===//
@@ -196,8 +194,8 @@ def JG  : IBr<"jg" , 0x8F>, TB;
 let isCall = 1 in
   // All calls clobber the non-callee saved registers...
   let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6] in {
-    def CALLpcrel32 : I <"call", 0xE8, RawFrm>;
-    def CALL32r     : I <"call", 0xFF, MRM2r>;
+    def CALLpcrel32 : X86Inst<"call", 0xE8, RawFrm, NoMem, NoImm>;  // FIXME: 'call' doesn't allow 'OFFSET'
+    def CALL32r     : I<0xFF, MRM2r>, II<(ops R32:$dst), "call $dst">;
     def CALL32m     : Im32<"call", 0xFF, MRM2m>;
   }
 
@@ -205,16 +203,22 @@ let isCall = 1 in
 //===----------------------------------------------------------------------===//
 //  Miscellaneous Instructions...
 //
-def LEAVE    : I<"leave", 0xC9, RawFrm>, Imp<[EBP,ESP],[EBP,ESP]>,
+def LEAVE    : I<0xC9, RawFrm>, Imp<[EBP,ESP],[EBP,ESP]>,
                II<(ops), "leave">;
-def POP32r   : I<"pop",   0x58, AddRegFrm>, Imp<[ESP],[ESP]>;
+def POP32r   : I<0x58, AddRegFrm>, Imp<[ESP],[ESP]>,
+               II<(ops R32:$reg), "pop $reg">;
 
 let isTwoAddress = 1 in                                    // R32 = bswap R32
-  def BSWAP32r : I<"bswap", 0xC8, AddRegFrm>, TB;
+  def BSWAP32r : I<0xC8, AddRegFrm>, TB,
+                 II<(ops R32:$dst, R32:$src), "bswap $dst">;
+
+def XCHG8rr  : I<0x86, MRMDestReg>,                    // xchg R8, R8
+              II<(ops R8:$src1, R8:$src2), "xchg $src1, $src2">;
+def XCHG16rr : I<0x87, MRMDestReg>, OpSize,            // xchg R16, R16
+              II<(ops R16:$src1, R16:$src2), "xchg $src1, $src2">;
+def XCHG32rr : I<0x87, MRMDestReg>,                    // xchg R32, R32
+              II<(ops R32:$src1, R32:$src2), "xchg $src1, $src2">;
 
-def XCHG8rr  : I <"xchg", 0x86, MRMDestReg>;               // xchg R8, R8
-def XCHG16rr : I <"xchg", 0x87, MRMDestReg>, OpSize;       // xchg R16, R16
-def XCHG32rr : I <"xchg", 0x87, MRMDestReg>;               // xchg R32, R32
 def XCHG8mr  : Im8 <"xchg", 0x86, MRMDestMem>;             // xchg [mem8], R8
 def XCHG16mr : Im16<"xchg", 0x87, MRMDestMem>, OpSize;     // xchg [mem16], R16
 def XCHG32mr : Im32<"xchg", 0x87, MRMDestMem>;             // xchg [mem32], R32
@@ -226,72 +230,66 @@ def LEA16r   : Im32<"lea", 0x8D, MRMSrcMem>, OpSize;          // R16 = lea [mem]
 def LEA32r   : Im32<"lea", 0x8D, MRMSrcMem>;                  // R32 = lea [mem]
 
 
-def REP_MOVSB : I<"rep movsb", 0xA4, RawFrm>, REP,
+def REP_MOVSB : I<0xA4, RawFrm>, REP,
                 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
                 II<(ops), "rep movsb">;
-def REP_MOVSW : I<"rep movsw", 0xA5, RawFrm>, REP, OpSize,
+def REP_MOVSW : I<0xA5, RawFrm>, REP, OpSize,
                 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
                 II<(ops), "rep movsw">;
-def REP_MOVSD : I<"rep movsd", 0xA5, RawFrm>, REP,
+def REP_MOVSD : I<0xA5, RawFrm>, REP,
                 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>,
                 II<(ops), "rep movsd">;
 
-def REP_STOSB : I<"rep stosb", 0xAA, RawFrm>, REP,
+def REP_STOSB : I<0xAA, RawFrm>, REP,
                 Imp<[AL,ECX,EDI], [ECX,EDI]>,
                 II<(ops), "rep stosb">;
-def REP_STOSW : I<"rep stosw", 0xAB, RawFrm>, REP, OpSize,
+def REP_STOSW : I<0xAB, RawFrm>, REP, OpSize,
                 Imp<[AX,ECX,EDI], [ECX,EDI]>,
                 II<(ops), "rep stosw">;
-def REP_STOSD : I<"rep stosd", 0xAB, RawFrm>, REP,
+def REP_STOSD : I<0xAB, RawFrm>, REP,
                 Imp<[EAX,ECX,EDI], [ECX,EDI]>,
                 II<(ops), "rep stosd">;
 
 //===----------------------------------------------------------------------===//
 //  Input/Output Instructions...
 //
-def IN8rr  : I<"in", 0xEC, RawFrm>, Imp<[DX], [AL]>,         // AL  = in I/O address DX
+def IN8rr  : I<0xEC, RawFrm>, Imp<[DX], [AL]>,         // AL  = in I/O address DX
              II<(ops), "in %AL, %DX">;
-def IN16rr : I<"in", 0xED, RawFrm>, Imp<[DX], [AX]>, OpSize, // AX  = in I/O address DX
+def IN16rr : I<0xED, RawFrm>, Imp<[DX], [AX]>, OpSize, // AX  = in I/O address DX
              II<(ops), "in %AX, %DX">;
-def IN32rr : I<"in", 0xED, RawFrm>, Imp<[DX],[EAX]>,         // EAX = in I/O address DX
+def IN32rr : I<0xED, RawFrm>, Imp<[DX],[EAX]>,         // EAX = in I/O address DX
              II<(ops), "in %EAX, %DX">;
 
-def IN8ri  : Ii16<"in", 0xE4, RawFrm>, Imp<[], [AL]>,           // AL  = in [I/O address]
+def IN8ri  : Ii16<"", 0xE4, RawFrm>, Imp<[], [AL]>,           // AL  = in [I/O address]
              II<(ops i16imm:$port), "in %AL, $port">;
-def IN16ri : Ii16<"in", 0xE5, RawFrm>, Imp<[], [AX]>,  OpSize,  // AX  = in [I/O address]
+def IN16ri : Ii16<"", 0xE5, RawFrm>, Imp<[], [AX]>,  OpSize,  // AX  = in [I/O address]
              II<(ops i16imm:$port), "in %AX, $port">;
-def IN32ri : Ii16<"in", 0xE5, RawFrm>, Imp<[],[EAX]>,           // EAX = in [I/O address]
+def IN32ri : Ii16<"", 0xE5, RawFrm>, Imp<[],[EAX]>,           // EAX = in [I/O address]
              II<(ops i16imm:$port), "in %EAX, $port">;
 
-def OUT8rr  : I<"out", 0xEE, RawFrm>, Imp<[DX,  AL], []>,
+def OUT8rr  : I<0xEE, RawFrm>, Imp<[DX,  AL], []>,
               II<(ops), "out %DX, %AL">;
-def OUT16rr : I<"out", 0xEF, RawFrm>, Imp<[DX,  AX], []>, OpSize,
+def OUT16rr : I<0xEF, RawFrm>, Imp<[DX,  AX], []>, OpSize,
               II<(ops), "out %DX, %AX">;
-def OUT32rr : I<"out", 0xEF, RawFrm>, Imp<[DX, EAX], []>,
+def OUT32rr : I<0xEF, RawFrm>, Imp<[DX, EAX], []>,
               II<(ops), "out %DX, %EAX">;
 
-def OUT8ir  : Ii16<"out", 0xE6, RawFrm>, Imp<[AL],  []>,
+def OUT8ir  : Ii16<"", 0xE6, RawFrm>, Imp<[AL],  []>,
               II<(ops i16imm:$port), "out $port, %AL">;
-def OUT16ir : Ii16<"out", 0xE7, RawFrm>, Imp<[AX],  []>, OpSize,
+def OUT16ir : Ii16<"", 0xE7, RawFrm>, Imp<[AX],  []>, OpSize,
               II<(ops i16imm:$port), "out $port, %AX">;
-def OUT32ir : Ii16<"out", 0xE7, RawFrm>, Imp<[EAX], []>,
+def OUT32ir : Ii16<"", 0xE7, RawFrm>, Imp<[EAX], []>,
               II<(ops i16imm:$port), "out $port, %EAX">;
 
 //===----------------------------------------------------------------------===//
 //  Move Instructions...
 //
-def MOV8rr  : I    <"mov", 0x88, MRMDestReg>,
-              II<(ops R8:$dst, R8:$src), "mov $dst, $src">;
-def MOV16rr : I    <"mov", 0x89, MRMDestReg>, OpSize,
-              II<(ops R16:$dst, R16:$src), "mov $dst, $src">;
-def MOV32rr : I    <"mov", 0x89, MRMDestReg>,
-              II<(ops R32:$dst, R32:$src), "mov $dst, $src">;
-def MOV8ri  : Ii8  <"mov", 0xB0, AddRegFrm >,
-              II<(ops R8:$dst, i8imm:$src), "mov $dst, $src">;
-def MOV16ri : Ii16 <"mov", 0xB8, AddRegFrm >, OpSize,
-              II<(ops R16:$dst, i16imm:$src), "mov $dst, $src">;
-def MOV32ri : Ii32 <"mov", 0xB8, AddRegFrm >,
-              II<(ops R32:$dst, i32imm:$src), "mov $dst, $src">;
+def MOV8rr  : I<0x88, MRMDestReg>,         II<(ops R8 :$dst, R8    :$src), "mov $dst, $src">;
+def MOV16rr : I<0x89, MRMDestReg>, OpSize, II<(ops R16:$dst, R16   :$src), "mov $dst, $src">;
+def MOV32rr : I<0x89, MRMDestReg>,         II<(ops R32:$dst, R32   :$src), "mov $dst, $src">;
+def MOV8ri  : Ii8  <"", 0xB0, AddRegFrm >,         II<(ops R8 :$dst, i8imm :$src), "mov $dst, $src">;
+def MOV16ri : Ii16 <"", 0xB8, AddRegFrm >, OpSize, II<(ops R16:$dst, i16imm:$src), "mov $dst, $src">;
+def MOV32ri : Ii32 <"", 0xB8, AddRegFrm >,         II<(ops R32:$dst, i32imm:$src), "mov $dst, $src">;
 def MOV8mi  : Im8i8 <"mov", 0xC6, MRM0m      >;         // [mem8] = imm8
 def MOV16mi : Im16i16<"mov", 0xC7, MRM0m     >, OpSize; // [mem16] = imm16
 def MOV32mi : Im32i32<"mov", 0xC7, MRM0m     >;         // [mem32] = imm32
@@ -309,36 +307,43 @@ def MOV32mr : Im32 <"mov", 0x89, MRMDestMem>;         // [mem32] = R32
 //
 
 // Extra precision multiplication
-def MUL8r  : I   <"mul", 0xF6, MRM4r>, Imp<[AL],[AX]>;               // AL,AH = AL*R8
-def MUL16r : I   <"mul", 0xF7, MRM4r>, Imp<[AX],[AX,DX]>, OpSize;    // AX,DX = AX*R16
-def MUL32r : I   <"mul", 0xF7, MRM4r>, Imp<[EAX],[EAX,EDX]>;         // EAX,EDX = EAX*R32
+def MUL8r  : I<0xF6, MRM4r>, Imp<[AL],[AX]>,               // AL,AH = AL*R8
+             II<(ops R8:$src), "mul $src">;
+def MUL16r : I<0xF7, MRM4r>, Imp<[AX],[AX,DX]>, OpSize,    // AX,DX = AX*R16
+             II<(ops R16:$src), "mul $src">;
+def MUL32r : I<0xF7, MRM4r>, Imp<[EAX],[EAX,EDX]>,         // EAX,EDX = EAX*R32
+             II<(ops R32:$src), "mul $src">;
 def MUL8m  : Im8 <"mul", 0xF6, MRM4m>, Imp<[AL],[AX]>;               // AL,AH = AL*[mem8]
 def MUL16m : Im16<"mul", 0xF7, MRM4m>, Imp<[AX],[AX,DX]>, OpSize;    // AX,DX = AX*[mem16]
 def MUL32m : Im32<"mul", 0xF7, MRM4m>, Imp<[EAX],[EAX,EDX]>;         // EAX,EDX = EAX*[mem32]
 
 // unsigned division/remainder
-def DIV8r  : I   <"div", 0xF6, MRM6r>, Imp<[AX],[AX]>;               // AX/r8 = AL,AH
-def DIV16r : I   <"div", 0xF7, MRM6r>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
-def DIV32r : I   <"div", 0xF7, MRM6r>, Imp<[EAX,EDX],[EAX,EDX]>;     // EDX:EAX/r32 = EAX,EDX
+def DIV8r  : I<0xF6, MRM6r>, Imp<[AX],[AX]>,               // AX/r8 = AL,AH
+             II<(ops R8:$src), "div $src">;
+def DIV16r : I<0xF7, MRM6r>, Imp<[AX,DX],[AX,DX]>, OpSize, // DX:AX/r16 = AX,DX
+             II<(ops R16:$src), "div $src">;
+def DIV32r : I<0xF7, MRM6r>, Imp<[EAX,EDX],[EAX,EDX]>,     // EDX:EAX/r32 = EAX,EDX
+             II<(ops R32:$src), "div $src">;
 def DIV8m  : Im8 <"div", 0xF6, MRM6m>, Imp<[AX],[AX]>;               // AX/[mem8] = AL,AH
 def DIV16m : Im16<"div", 0xF7, MRM6m>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
 def DIV32m : Im32<"div", 0xF7, MRM6m>, Imp<[EAX,EDX],[EAX,EDX]>;     // EDX:EAX/[mem32] = EAX,EDX
 
-// signed division/remainder
-def IDIV8r : I   <"idiv",0xF6, MRM7r>, Imp<[AX],[AX]>;               // AX/r8 = AL,AH
-def IDIV16r: I   <"idiv",0xF7, MRM7r>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/r16 = AX,DX
-def IDIV32r: I   <"idiv",0xF7, MRM7r>, Imp<[EAX,EDX],[EAX,EDX]>;     // EDX:EAX/r32 = EAX,EDX
+// Signed division/remainder.
+def IDIV8r : I<0xF6, MRM7r>, Imp<[AX],[AX]>,               // AX/r8 = AL,AH
+             II<(ops R8:$src), "idiv $src">;
+def IDIV16r: I<0xF7, MRM7r>, Imp<[AX,DX],[AX,DX]>, OpSize, // DX:AX/r16 = AX,DX
+             II<(ops R16:$src), "idiv $src">;
+def IDIV32r: I<0xF7, MRM7r>, Imp<[EAX,EDX],[EAX,EDX]>,     // EDX:EAX/r32 = EAX,EDX
+             II<(ops R32:$src), "idiv $src">;
 def IDIV8m : Im8 <"idiv",0xF6, MRM7m>, Imp<[AX],[AX]>;               // AX/[mem8] = AL,AH
 def IDIV16m: Im16<"idiv",0xF7, MRM7m>, Imp<[AX,DX],[AX,DX]>, OpSize; // DX:AX/[mem16] = AX,DX
 def IDIV32m: Im32<"idiv",0xF7, MRM7m>, Imp<[EAX,EDX],[EAX,EDX]>;     // EDX:EAX/[mem32] = EAX,EDX
 
-// Sign-extenders for division
-def CBW    : I<"cbw", 0x98, RawFrm >, Imp<[AL],[AH]>,                // AX = signext(AL)
-             II<(ops), "cbw">;
-def CWD    : I<"cwd", 0x99, RawFrm >, Imp<[AX],[DX]>,                // DX:AX = signext(AX)
-             II<(ops), "cwd">;
-def CDQ    : I<"cdq", 0x99, RawFrm >, Imp<[EAX],[EDX]>,              // EDX:EAX = signext(EAX)
-             II<(ops), "cdq">;
+// Sign-extenders for division.
+def CBW : I<0x98, RawFrm>, Imp<[AL],[AH]>, II<(ops), "cbw">;  // AX = signext(AL)
+def CWD : I<0x99, RawFrm>, Imp<[AX],[DX]>, II<(ops), "cwd">;  // DX:AX = signext(AX)
+def CDQ : I<0x99, RawFrm>, Imp<[EAX],[EDX]>, II<(ops), "cdq">; // EDX:EAX = signext(EAX)
+          
 
 //===----------------------------------------------------------------------===//
 //  Two address Instructions...
@@ -346,101 +351,137 @@ def CDQ    : I<"cdq", 0x99, RawFrm >, Imp<[EAX],[EDX]>,              // EDX:EAX
 let isTwoAddress = 1 in {
 
 // Conditional moves
-def CMOVB16rr : I   <"cmovb", 0x42, MRMSrcReg>, TB, OpSize;        // if <u, R16 = R16
+def CMOVB16rr : I<0x42, MRMSrcReg>, TB, OpSize,                    // if <u, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovb $dst, $src2">;
 def CMOVB16rm : Im16<"cmovb", 0x42, MRMSrcMem>, TB, OpSize;        // if <u, R16 = [mem16]
-def CMOVB32rr : I   <"cmovb", 0x42, MRMSrcReg>, TB;                // if <u, R32 = R32
+def CMOVB32rr : I<0x42, MRMSrcReg>, TB,                            // if <u, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovb $dst, $src2">;
 def CMOVB32rm : Im32<"cmovb", 0x42, MRMSrcMem>, TB;                // if <u, R32 = [mem32]
 
-def CMOVAE16rr: I   <"cmovae", 0x43, MRMSrcReg>, TB, OpSize;       // if >=u, R16 = R16
+def CMOVAE16rr: I<0x43, MRMSrcReg>, TB, OpSize,                    // if >=u, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovae $dst, $src2">;
 def CMOVAE16rm: Im16<"cmovae", 0x43, MRMSrcMem>, TB, OpSize;       // if >=u, R16 = [mem16]
-def CMOVAE32rr: I   <"cmovae", 0x43, MRMSrcReg>, TB;               // if >=u, R32 = R32
+def CMOVAE32rr: I<0x43, MRMSrcReg>, TB,                            // if >=u, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovae $dst, $src2">;
 def CMOVAE32rm: Im32<"cmovae", 0x43, MRMSrcMem>, TB;               // if >=u, R32 = [mem32]
 
-def CMOVE16rr : I   <"cmove", 0x44, MRMSrcReg>, TB, OpSize;        // if ==, R16 = R16
+def CMOVE16rr : I<0x44, MRMSrcReg>, TB, OpSize,                    // if ==, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmove $dst, $src2">;
 def CMOVE16rm : Im16<"cmove", 0x44, MRMSrcMem>, TB, OpSize;        // if ==, R16 = [mem16]
-def CMOVE32rr : I   <"cmove", 0x44, MRMSrcReg>, TB;                // if ==, R32 = R32
+def CMOVE32rr : I<0x44, MRMSrcReg>, TB,                            // if ==, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmove $dst, $src2">;
 def CMOVE32rm : Im32<"cmove", 0x44, MRMSrcMem>, TB;                // if ==, R32 = [mem32]
 
-def CMOVNE16rr: I   <"cmovne",0x45, MRMSrcReg>, TB, OpSize;        // if !=, R16 = R16
+def CMOVNE16rr: I<0x45, MRMSrcReg>, TB, OpSize,                    // if !=, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovne $dst, $src2">;
 def CMOVNE16rm: Im16<"cmovne",0x45, MRMSrcMem>, TB, OpSize;        // if !=, R16 = [mem16]
-def CMOVNE32rr: I   <"cmovne",0x45, MRMSrcReg>, TB;                // if !=, R32 = R32
+def CMOVNE32rr: I<0x45, MRMSrcReg>, TB,                            // if !=, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovne $dst, $src2">;
 def CMOVNE32rm: Im32<"cmovne",0x45, MRMSrcMem>, TB;                // if !=, R32 = [mem32]
 
-def CMOVBE16rr: I   <"cmovbe",0x46, MRMSrcReg>, TB, OpSize;        // if <=u, R16 = R16
+def CMOVBE16rr: I<0x46, MRMSrcReg>, TB, OpSize,                    // if <=u, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovbe $dst, $src2">;
 def CMOVBE16rm: Im16<"cmovbe",0x46, MRMSrcMem>, TB, OpSize;        // if <=u, R16 = [mem16]
-def CMOVBE32rr: I   <"cmovbe",0x46, MRMSrcReg>, TB;                // if <=u, R32 = R32
+def CMOVBE32rr: I<0x46, MRMSrcReg>, TB,                            // if <=u, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovbe $dst, $src2">;
 def CMOVBE32rm: Im32<"cmovbe",0x46, MRMSrcMem>, TB;                // if <=u, R32 = [mem32]
 
-def CMOVA16rr : I   <"cmova", 0x47, MRMSrcReg>, TB, OpSize;        // if >u, R16 = R16
+def CMOVA16rr : I<0x47, MRMSrcReg>, TB, OpSize,                    // if >u, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmova $dst, $src2">;
 def CMOVA16rm : Im16<"cmova", 0x47, MRMSrcMem>, TB, OpSize;        // if >u, R16 = [mem16]
-def CMOVA32rr : I   <"cmova", 0x47, MRMSrcReg>, TB;                // if >u, R32 = R32
+def CMOVA32rr : I<0x47, MRMSrcReg>, TB,                            // if >u, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmova $dst, $src2">;
 def CMOVA32rm : Im32<"cmova", 0x47, MRMSrcMem>, TB;                // if >u, R32 = [mem32]
 
-def CMOVS16rr : I   <"cmovs", 0x48, MRMSrcReg>, TB, OpSize;        // if signed, R16 = R16
+def CMOVS16rr : I<0x48, MRMSrcReg>, TB, OpSize,                    // if signed, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovs $dst, $src2">;
 def CMOVS16rm : Im16<"cmovs", 0x48, MRMSrcMem>, TB, OpSize;        // if signed, R16 = [mem16]
-def CMOVS32rr : I   <"cmovs", 0x48, MRMSrcReg>, TB;                // if signed, R32 = R32
+def CMOVS32rr : I<0x48, MRMSrcReg>, TB,                            // if signed, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovs $dst, $src2">;
 def CMOVS32rm : Im32<"cmovs", 0x48, MRMSrcMem>, TB;                // if signed, R32 = [mem32]
 
-def CMOVNS16rr: I   <"cmovns",0x49, MRMSrcReg>, TB, OpSize;        // if !signed, R16 = R16
+def CMOVNS16rr: I<0x49, MRMSrcReg>, TB, OpSize,                    // if !signed, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovns $dst, $src2">;
 def CMOVNS16rm: Im16<"cmovns",0x49, MRMSrcMem>, TB, OpSize;        // if !signed, R16 = [mem16]
-def CMOVNS32rr: I   <"cmovns",0x49, MRMSrcReg>, TB;                // if !signed, R32 = R32
+def CMOVNS32rr: I<0x49, MRMSrcReg>, TB,                            // if !signed, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovns $dst, $src2">;
 def CMOVNS32rm: Im32<"cmovns",0x49, MRMSrcMem>, TB;                // if !signed, R32 = [mem32]
 
-def CMOVL16rr : I   <"cmovl", 0x4C, MRMSrcReg>, TB, OpSize;        // if <s, R16 = R16
+def CMOVL16rr : I<0x4C, MRMSrcReg>, TB, OpSize,                    // if <s, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovl $dst, $src2">;
 def CMOVL16rm : Im16<"cmovl", 0x4C, MRMSrcMem>, TB, OpSize;        // if <s, R16 = [mem16]
-def CMOVL32rr : I   <"cmovl", 0x4C, MRMSrcReg>, TB;                // if <s, R32 = R32
+def CMOVL32rr : I<0x4C, MRMSrcReg>, TB,                            // if <s, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovl $dst, $src2">;
 def CMOVL32rm : Im32<"cmovl", 0x4C, MRMSrcMem>, TB;                // if <s, R32 = [mem32]
 
-def CMOVGE16rr: I   <"cmovge",0x4D, MRMSrcReg>, TB, OpSize;        // if >=s, R16 = R16
+def CMOVGE16rr: I<0x4D, MRMSrcReg>, TB, OpSize,                    // if >=s, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovge $dst, $src2">;
 def CMOVGE16rm: Im16<"cmovge",0x4D, MRMSrcMem>, TB, OpSize;        // if >=s, R16 = [mem16]
-def CMOVGE32rr: I   <"cmovge",0x4D, MRMSrcReg>, TB;                // if >=s, R32 = R32
+def CMOVGE32rr: I<0x4D, MRMSrcReg>, TB,                            // if >=s, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovge $dst, $src2">;
 def CMOVGE32rm: Im32<"cmovge",0x4D, MRMSrcMem>, TB;                // if >=s, R32 = [mem32]
 
-def CMOVLE16rr: I   <"cmovle",0x4E, MRMSrcReg>, TB, OpSize;        // if <=s, R16 = R16
+def CMOVLE16rr: I<0x4E, MRMSrcReg>, TB, OpSize,                    // if <=s, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovle $dst, $src2">;
 def CMOVLE16rm: Im16<"cmovle",0x4E, MRMSrcMem>, TB, OpSize;        // if <=s, R16 = [mem16]
-def CMOVLE32rr: I   <"cmovle",0x4E, MRMSrcReg>, TB;                // if <=s, R32 = R32
+def CMOVLE32rr: I<0x4E, MRMSrcReg>, TB,                            // if <=s, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovle $dst, $src2">;
 def CMOVLE32rm: Im32<"cmovle",0x4E, MRMSrcMem>, TB;                // if <=s, R32 = [mem32]
 
-def CMOVG16rr : I   <"cmovg", 0x4F, MRMSrcReg>, TB, OpSize;        // if >s, R16 = R16
+def CMOVG16rr : I<0x4F, MRMSrcReg>, TB, OpSize,                    // if >s, R16 = R16
+                II<(ops R16:$dst, R16:$src1, R16:$src2), "cmovg $dst, $src2">;
 def CMOVG16rm : Im16<"cmovg", 0x4F, MRMSrcMem>, TB, OpSize;        // if >s, R16 = [mem16]
-def CMOVG32rr : I   <"cmovg", 0x4F, MRMSrcReg>, TB;                // if >s, R32 = R32
+def CMOVG32rr : I<0x4F, MRMSrcReg>, TB,                            // if >s, R32 = R32
+                II<(ops R32:$dst, R32:$src1, R32:$src2), "cmovg $dst, $src2">;
 def CMOVG32rm : Im32<"cmovg", 0x4F, MRMSrcMem>, TB;                // if >s, R32 = [mem32]
 
 // unary instructions
-def NEG8r  : I   <"neg", 0xF6, MRM3r>;         // R8  = -R8  = 0-R8
-def NEG16r : I   <"neg", 0xF7, MRM3r>, OpSize; // R16 = -R16 = 0-R16
-def NEG32r : I   <"neg", 0xF7, MRM3r>;         // R32 = -R32 = 0-R32
+def NEG8r  : I<0xF6, MRM3r>,                          // R8  = -R8  = 0-R8
+            II<(ops R8:$dst, R8:$src), "neg $dst">;
+def NEG16r : I<0xF7, MRM3r>, OpSize,                  // R16 = -R16 = 0-R16
+            II<(ops R16:$dst, R16:$src), "neg $dst">;
+def NEG32r : I<0xF7, MRM3r>,                          // R32 = -R32 = 0-R32
+            II<(ops R32:$dst, R32:$src), "neg $dst">;
 def NEG8m  : Im8 <"neg", 0xF6, MRM3m>;         // [mem8]  = -[mem8]  = 0-[mem8]
 def NEG16m : Im16<"neg", 0xF7, MRM3m>, OpSize; // [mem16] = -[mem16] = 0-[mem16]
 def NEG32m : Im32<"neg", 0xF7, MRM3m>;         // [mem32] = -[mem32] = 0-[mem32]
 
-def NOT8r  : I   <"not", 0xF6, MRM2r>;         // R8  = ~R8  = R8^-1
-def NOT16r : I   <"not", 0xF7, MRM2r>, OpSize; // R16 = ~R16 = R16^-1
-def NOT32r : I   <"not", 0xF7, MRM2r>;         // R32 = ~R32 = R32^-1
+def NOT8r  : I<0xF6, MRM2r>,         // R8  = ~R8  = R8^-1
+            II<(ops R8:$dst, R8:$src), "not $dst">;
+def NOT16r : I<0xF7, MRM2r>, OpSize, // R16 = ~R16 = R16^-1
+            II<(ops R16:$dst, R16:$src), "not $dst">;
+def NOT32r : I<0xF7, MRM2r>,         // R32 = ~R32 = R32^-1
+            II<(ops R32:$dst, R32:$src), "not $dst">;
 def NOT8m  : Im8 <"not", 0xF6, MRM2m>;         // [mem8]  = ~[mem8]  = [mem8^-1]
 def NOT16m : Im16<"not", 0xF7, MRM2m>, OpSize; // [mem16] = ~[mem16] = [mem16^-1]
 def NOT32m : Im32<"not", 0xF7, MRM2m>;         // [mem32] = ~[mem32] = [mem32^-1]
 
-def INC8r  : I   <"inc", 0xFE, MRM0r>;         // ++R8
-def INC16r : I   <"inc", 0xFF, MRM0r>, OpSize; // ++R16
-def INC32r : I   <"inc", 0xFF, MRM0r>;         // ++R32
+def INC8r  : I<0xFE, MRM0r>,         // ++R8
+            II<(ops R8:$dst, R8:$src), "inc $dst">;
+def INC16r : I<0xFF, MRM0r>, OpSize, // ++R16
+            II<(ops R16:$dst, R16:$src), "inc $dst">;
+def INC32r : I<0xFF, MRM0r>,         // ++R32
+            II<(ops R32:$dst, R32:$src), "inc $dst">;
 def INC8m  : Im8 <"inc", 0xFE, MRM0m>;         // ++R8
 def INC16m : Im16<"inc", 0xFF, MRM0m>, OpSize; // ++R16
 def INC32m : Im32<"inc", 0xFF, MRM0m>;         // ++R32
 
-def DEC8r  : I   <"dec", 0xFE, MRM1r>;         // --R8
-def DEC16r : I   <"dec", 0xFF, MRM1r>, OpSize; // --R16
-def DEC32r : I   <"dec", 0xFF, MRM1r>;         // --R32
+def DEC8r  : I<0xFE, MRM1r>,         // --R8
+            II<(ops R8:$dst, R8:$src), "dec $dst">;
+def DEC16r : I<0xFF, MRM1r>, OpSize, // --R16
+            II<(ops R16:$dst, R16:$src), "dec $dst">;
+def DEC32r : I<0xFF, MRM1r>,         // --R32
+            II<(ops R32:$dst, R32:$src), "dec $dst">;
 def DEC8m  : Im8 <"dec", 0xFE, MRM1m>;         // --[mem8]
 def DEC16m : Im16<"dec", 0xFF, MRM1m>, OpSize; // --[mem16]
 def DEC32m : Im32<"dec", 0xFF, MRM1m>;         // --[mem32]
 
 // Logical operators...
-def AND8rr   : I     <"and", 0x20, MRMDestReg>,
+def AND8rr   : I<0x20, MRMDestReg>,
               II<(ops R8:$dst, R8:$src1, R8:$src2), "and $dst, $src2">;
-def AND16rr  : I     <"and", 0x21, MRMDestReg>, OpSize,
-              II<(ops R32:$dst, R32:$src1, R32:$src2), "and $dst, $src2">;
-def AND32rr  : I     <"and", 0x21, MRMDestReg>,
+def AND16rr  : I<0x21, MRMDestReg>, OpSize,
+              II<(ops R16:$dst, R16:$src1, R16:$src2), "and $dst, $src2">;
+def AND32rr  : I<0x21, MRMDestReg>,
               II<(ops R32:$dst, R32:$src1, R32:$src2), "and $dst, $src2">;
 def AND8mr   : Im8   <"and", 0x20, MRMDestMem>;            // [mem8]  &= R8
 def AND16mr  : Im16  <"and", 0x21, MRMDestMem>, OpSize;    // [mem16] &= R16
@@ -462,9 +503,12 @@ def AND16mi8 : Im16i8<"and", 0x83, MRM4m     >, OpSize;    // [mem16] &= imm8
 def AND32mi8 : Im32i8<"and", 0x83, MRM4m     >;            // [mem32] &= imm8
 
 
-def OR8rr    : I     <"or" , 0x08, MRMDestReg>;
-def OR16rr   : I     <"or" , 0x09, MRMDestReg>, OpSize;
-def OR32rr   : I     <"or" , 0x09, MRMDestReg>;
+def OR8rr    : I<0x08, MRMDestReg>,
+              II<(ops R8:$dst, R8:$src1, R8:$src2), "or $dst, $src2">;
+def OR16rr   : I<0x09, MRMDestReg>, OpSize,
+              II<(ops R16:$dst, R16:$src1, R16:$src2), "or $dst, $src2">;
+def OR32rr   : I<0x09, MRMDestReg>,
+              II<(ops R32:$dst, R32:$src1, R32:$src2), "or $dst, $src2">;
 def OR8mr    : Im8   <"or" , 0x08, MRMDestMem>;            // [mem8]  |= R8
 def OR16mr   : Im16  <"or" , 0x09, MRMDestMem>, OpSize;    // [mem16] |= R16
 def OR32mr   : Im32  <"or" , 0x09, MRMDestMem>;            // [mem32] |= R32
@@ -485,9 +529,12 @@ def OR16mi8  : Im16i8<"or" , 0x83, MRM1m     >, OpSize;    // [mem16] |= imm8
 def OR32mi8  : Im32i8<"or" , 0x83, MRM1m     >;            // [mem32] |= imm8
 
 
-def XOR8rr   : I     <"xor", 0x30, MRMDestReg>;
-def XOR16rr  : I     <"xor", 0x31, MRMDestReg>, OpSize;
-def XOR32rr  : I     <"xor", 0x31, MRMDestReg>;
+def XOR8rr   : I<0x30, MRMDestReg>,
+              II<(ops R8:$dst, R8:$src1, R8:$src2), "xor $dst, $src2">;
+def XOR16rr  : I<0x31, MRMDestReg>, OpSize,
+              II<(ops R16:$dst, R16:$src1, R16:$src2), "xor $dst, $src2">;
+def XOR32rr  : I<0x31, MRMDestReg>,
+              II<(ops R32:$dst, R32:$src1, R32:$src2), "xor $dst, $src2">;
 def XOR8mr   : Im8   <"xor", 0x30, MRMDestMem>;            // [mem8]  ^= R8
 def XOR16mr  : Im16  <"xor", 0x31, MRMDestMem>, OpSize;    // [mem16] ^= R16
 def XOR32mr  : Im32  <"xor", 0x31, MRMDestMem>;            // [mem32] ^= R32
@@ -510,11 +557,11 @@ def XOR32mi8 : Im32i8<"xor", 0x83, MRM6m     >;            // [mem32] ^= imm8
 // Shift instructions
 // FIXME: provide shorter instructions when imm8 == 1
 let Uses = [CL], printImplicitUsesAfter = 1 in {
-  def SHL8rCL  : I     <"shl", 0xD2, MRM4r     >        ,       // R8  <<= cl
+  def SHL8rCL  : I<0xD2, MRM4r>        ,                        // R8  <<= cl
                 II<(ops R8:$dst, R8:$src), "shl $dst, %CL">;
-  def SHL16rCL : I     <"shl", 0xD3, MRM4r     >, OpSize,       // R16 <<= cl
+  def SHL16rCL : I<0xD3, MRM4r>, OpSize,                        // R16 <<= cl
                 II<(ops R16:$dst, R16:$src), "shl $dst, %CL">;
-  def SHL32rCL : I     <"shl", 0xD3, MRM4r     >        ,       // R32 <<= cl
+  def SHL32rCL : I<0xD3, MRM4r>        ,                        // R32 <<= cl
                 II<(ops R32:$dst, R32:$src), "shl $dst, %CL">;
   def SHL8mCL  : Im8   <"shl", 0xD2, MRM4m     >        ;       // [mem8]  <<= cl
   def SHL16mCL : Im16  <"shl", 0xD3, MRM4m     >, OpSize;       // [mem16] <<= cl
@@ -529,11 +576,11 @@ def SHL16mi  : Im16i8<"shl", 0xC1, MRM4m     >, OpSize;         // [mem16] <<= i
 def SHL32mi  : Im32i8<"shl", 0xC1, MRM4m     >;                 // [mem32] <<= imm8
 
 let Uses = [CL], printImplicitUsesAfter = 1 in {
-  def SHR8rCL  : I     <"shr", 0xD2, MRM5r     >        ,       // R8  >>= cl
+  def SHR8rCL  : I<0xD2, MRM5r>        ,                        // R8  >>= cl
                 II<(ops R8:$dst, R8:$src), "shr $dst, %CL">;
-  def SHR16rCL : I     <"shr", 0xD3, MRM5r     >, OpSize,       // R16 >>= cl
+  def SHR16rCL : I<0xD3, MRM5r>, OpSize,                        // R16 >>= cl
                 II<(ops R16:$dst, R16:$src), "shr $dst, %CL">;
-  def SHR32rCL : I     <"shr", 0xD3, MRM5r     >        ,       // R32 >>= cl
+  def SHR32rCL : I<0xD3, MRM5r>        ,                        // R32 >>= cl
                 II<(ops R32:$dst, R32:$src), "shr $dst, %CL">;
   def SHR8mCL  : Im8   <"shr", 0xD2, MRM5m     >        ;       // [mem8]  >>= cl
   def SHR16mCL : Im16  <"shr", 0xD3, MRM5m     >, OpSize;       // [mem16] >>= cl
@@ -548,11 +595,11 @@ def SHR16mi  : Im16i8<"shr", 0xC1, MRM5m     >, OpSize;         // [mem16] >>= i
 def SHR32mi  : Im32i8<"shr", 0xC1, MRM5m     >;                 // [mem32] >>= imm8
 
 let Uses = [CL], printImplicitUsesAfter = 1 in {
-  def SAR8rCL  : I     <"sar", 0xD2, MRM7r     >,               // R8  >>>= cl
+  def SAR8rCL  : I<0xD2, MRM7r>,                                // R8  >>>= cl
                 II<(ops R8:$dst, R8:$src), "sar $dst, %CL">;
-  def SAR16rCL : I     <"sar", 0xD3, MRM7r     >, OpSize,       // R16 >>>= cl
+  def SAR16rCL : I<0xD3, MRM7r>, OpSize,                        // R16 >>>= cl
                 II<(ops R16:$dst, R16:$src), "sar $dst, %CL">;
-  def SAR32rCL : I     <"sar", 0xD3, MRM7r     >,               // R32 >>>= cl
+  def SAR32rCL : I<0xD3, MRM7r>,                                // R32 >>>= cl
                 II<(ops R32:$dst, R32:$src), "sar $dst, %CL">;
   def SAR8mCL  : Im8   <"sar", 0xD2, MRM7m     >        ;       // [mem8]  >>>= cl
   def SAR16mCL : Im16  <"sar", 0xD3, MRM7m     >, OpSize;       // [mem16] >>>= cl
@@ -567,11 +614,11 @@ def SAR16mi  : Im16i8<"sar", 0xC1, MRM7m     >, OpSize;         // [mem16] >>>=
 def SAR32mi  : Im32i8<"sar", 0xC1, MRM7m     >;                 // [mem32] >>>= imm8
 
 let Uses = [CL], printImplicitUsesAfter = 1 in {
-  def SHLD32rrCL : I     <"shld", 0xA5, MRMDestReg>, TB,        // R32 <<= R32,R32 cl
-                II<(ops R32:$dst, R32:$src1, R32:$src2), "shld $dst, $src2, %CL">;
+  def SHLD32rrCL : I<0xA5, MRMDestReg>, TB,                     // R32 <<= R32,R32 cl
+                  II<(ops R32:$dst, R32:$src1, R32:$src2), "shld $dst, $src2, %CL">;
   def SHLD32mrCL : Im32  <"shld", 0xA5, MRMDestMem>, TB;        // [mem32] <<= [mem32],R32 cl
-  def SHRD32rrCL : I     <"shrd", 0xAD, MRMDestReg>, TB,        // R32 >>= R32,R32 cl
-                II<(ops R32:$dst, R32:$src1, R32:$src2), "shrd $dst, $src2, %CL">;
+  def SHRD32rrCL : I<0xAD, MRMDestReg>, TB,                     // R32 >>= R32,R32 cl
+                  II<(ops R32:$dst, R32:$src1, R32:$src2), "shrd $dst, $src2, %CL">;
   def SHRD32mrCL : Im32  <"shrd", 0xAD, MRMDestMem>, TB;        // [mem32] >>= [mem32],R32 cl
 }
 
@@ -582,9 +629,9 @@ def SHRD32mri8 : Im32i8<"shrd", 0xAC, MRMDestMem>, TB;            // [mem32] >>=
 
 
 // Arithmetic...
-def ADD8rr   : I     <"add", 0x00, MRMDestReg>;
-def ADD16rr  : I     <"add", 0x01, MRMDestReg>, OpSize;
-def ADD32rr  : I     <"add", 0x01, MRMDestReg>;
+def ADD8rr   : I<0x00, MRMDestReg>,         II<(ops R8:$dst, R8:$src1, R8:$src2), "add $dst, $src2">;
+def ADD16rr  : I<0x01, MRMDestReg>, OpSize, II<(ops R16:$dst, R16:$src1, R16:$src2), "add $dst, $src2">;
+def ADD32rr  : I<0x01, MRMDestReg>,         II<(ops R32:$dst, R32:$src1, R32:$src2), "add $dst, $src2">;
 def ADD8mr   : Im8   <"add", 0x00, MRMDestMem>;         // [mem8]  += R8
 def ADD16mr  : Im16  <"add", 0x01, MRMDestMem>, OpSize; // [mem16] += R16
 def ADD32mr  : Im32  <"add", 0x01, MRMDestMem>;         // [mem32] += R32
@@ -604,7 +651,8 @@ def ADD32ri8 : Ii8   <"add", 0x83, MRM0r     >;
 def ADD16mi8 : Im16i8<"add", 0x83, MRM0m     >, OpSize; // [mem16] += I8
 def ADD32mi8 : Im32i8<"add", 0x83, MRM0m     >;         // [mem32] += I8
 
-def ADC32rr  : I      <"adc", 0x11, MRMDestReg>;         // R32 += R32+Carry
+def ADC32rr  : I<0x11, MRMDestReg>,                      // R32 += R32+Carry
+              II<(ops R32:$dst, R32:$src1, R32:$src2), "adc $dst, $src2">;
 def ADC32mr  : Im32   <"adc", 0x11, MRMDestMem>;         // [mem32] += R32+Carry
 def ADC32rm  : Im32   <"adc", 0x13, MRMSrcMem >;         // R32 += [mem32]+Carry
 def ADC32ri  : Ii32   <"adc", 0x81, MRM2r     >;         // R32 += I32+Carry
@@ -612,9 +660,9 @@ def ADC32ri8 : Ii8    <"adc", 0x83, MRM2r     >;         // R32 += I8+Carry
 def ADC32mi  : Im32i32<"adc", 0x81, MRM2m     >;         // [mem32] += I32+Carry
 def ADC32mi8 : Im32i8 <"adc", 0x83, MRM2m     >;         // [mem32] += I8+Carry
 
-def SUB8rr   : I     <"sub", 0x28, MRMDestReg>;
-def SUB16rr  : I     <"sub", 0x29, MRMDestReg>, OpSize;
-def SUB32rr  : I     <"sub", 0x29, MRMDestReg>;
+def SUB8rr   : I<0x28, MRMDestReg>,         II<(ops R8:$dst, R8:$src1, R8:$src2), "sub $dst, $src2">;
+def SUB16rr  : I<0x29, MRMDestReg>, OpSize, II<(ops R16:$dst, R16:$src1, R16:$src2), "sub $dst, $src2">;
+def SUB32rr  : I<0x29, MRMDestReg>,         II<(ops R32:$dst, R32:$src1, R32:$src2), "sub $dst, $src2">;
 def SUB8mr   : Im8   <"sub", 0x28, MRMDestMem>;         // [mem8]  -= R8
 def SUB16mr  : Im16  <"sub", 0x29, MRMDestMem>, OpSize; // [mem16] -= R16
 def SUB32mr  : Im32  <"sub", 0x29, MRMDestMem>;         // [mem32] -= R32
@@ -634,7 +682,8 @@ def SUB32ri8 : Ii8   <"sub", 0x83, MRM5r     >;
 def SUB16mi8 : Im16i8<"sub", 0x83, MRM5m     >, OpSize; // [mem16] -= I8
 def SUB32mi8 : Im32i8<"sub", 0x83, MRM5m     >;         // [mem32] -= I8
 
-def SBB32rr  : I      <"sbb", 0x19, MRMDestReg>;         // R32 -= R32+Carry
+def SBB32rr  : I<0x19, MRMDestReg>,                      // R32 -= R32+Carry
+              II<(ops R32:$dst, R32:$src1, R32:$src2), "adc $dst, $src2">;
 def SBB32mr  : Im32   <"sbb", 0x19, MRMDestMem>;         // [mem32] -= R32+Carry
 def SBB32rm  : Im32   <"sbb", 0x1B, MRMSrcMem >;         // R32 -= [mem32]+Carry
 def SBB32ri  : Ii32   <"sbb", 0x81, MRM3r     >;         // R32 -= I32+Carry
@@ -642,8 +691,10 @@ def SBB32ri8 : Ii8    <"sbb", 0x83, MRM3r     >;         // R32 -= I8+Carry
 def SBB32mi  : Im32i32<"sbb", 0x81, MRM3m     >;         // [mem32] -= I32+Carry
 def SBB32mi8 : Im32i8 <"sbb", 0x83, MRM3m     >;         // [mem32] -= I8+Carry
 
-def IMUL16rr : I     <"imul", 0xAF, MRMSrcReg>, TB, OpSize;
-def IMUL32rr : I     <"imul", 0xAF, MRMSrcReg>, TB;
+def IMUL16rr : I<0xAF, MRMSrcReg>, TB, OpSize,
+              II<(ops R16:$dst, R16:$src1, R16:$src2), "imul $dst, $src2">;
+def IMUL32rr : I<0xAF, MRMSrcReg>, TB,
+              II<(ops R32:$dst, R32:$src1, R32:$src2), "imul $dst, $src2">;
 def IMUL16rm : Im16  <"imul", 0xAF, MRMSrcMem>, TB, OpSize;
 def IMUL32rm : Im32  <"imul", 0xAF, MRMSrcMem>, TB        ;
 
@@ -661,9 +712,12 @@ def IMUL32rmi8 : Im32i8<"imul", 0x6B, MRMSrcMem>;              // R32 = [mem32]*
 
 //===----------------------------------------------------------------------===//
 // Test instructions are just like AND, except they don't generate a result.
-def TEST8rr  : I    <"test", 0x84, MRMDestReg>;          // flags = R8  & R8
-def TEST16rr : I    <"test", 0x85, MRMDestReg>, OpSize;  // flags = R16 & R16
-def TEST32rr : I    <"test", 0x85, MRMDestReg>;          // flags = R32 & R32
+def TEST8rr  : I<0x84, MRMDestReg>,                      // flags = R8  & R8
+              II<(ops R8:$src1, R8:$src2), "test $src1, $src2">;
+def TEST16rr : I<0x85, MRMDestReg>, OpSize,  // flags = R16 & R16
+              II<(ops R16:$src1, R16:$src2), "test $src1, $src2">;
+def TEST32rr : I<0x85, MRMDestReg>,          // flags = R32 & R32
+              II<(ops R32:$src1, R32:$src2), "test $src1, $src2">;
 def TEST8mr  : Im8  <"test", 0x84, MRMDestMem>;          // flags = [mem8]  & R8
 def TEST16mr : Im16 <"test", 0x85, MRMDestMem>, OpSize;  // flags = [mem16] & R16
 def TEST32mr : Im32 <"test", 0x85, MRMDestMem>;          // flags = [mem32] & R32
@@ -681,42 +735,58 @@ def TEST32mi : Im32i32<"test", 0xF7, MRM0m     >;          // flags = [mem32] &
 
 
 // Condition code ops, incl. set if equal/not equal/...
-def SAHF     : I  <"sahf" , 0x9E, RawFrm>, Imp<[AH],[]>,  // flags = AH
-                II<(ops), "sahf">;
-def LAHF     : I  <"lahf" , 0x9F, RawFrm>, Imp<[],[AH]>,  // AH = flags
-                II<(ops), "lahf">;
+def SAHF     : I<0x9E, RawFrm>, Imp<[AH],[]>,  // flags = AH
+              II<(ops), "sahf">;
+def LAHF     : I<0x9F, RawFrm>, Imp<[],[AH]>,  // AH = flags
+              II<(ops), "lahf">;
 
-def SETBr    : I  <"setb" , 0x92, MRM0r>, TB;            // R8 = <  unsign
+def SETBr    : I<0x92, MRM0r>, TB,                // R8 = <  unsign
+              II<(ops R8:$dst), "setb $dst">;
 def SETBm    : Im8<"setb" , 0x92, MRM0m>, TB;            // [mem8] = <  unsign
-def SETAEr   : I  <"setae", 0x93, MRM0r>, TB;            // R8 = >= unsign
+def SETAEr   : I<0x93, MRM0r>, TB,                 // R8 = >= unsign
+              II<(ops R8:$dst), "setae $dst">;
 def SETAEm   : Im8<"setae", 0x93, MRM0m>, TB;            // [mem8] = >= unsign
-def SETEr    : I  <"sete" , 0x94, MRM0r>, TB;            // R8 = ==
+def SETEr    : I<0x94, MRM0r>, TB,                // R8 = ==
+              II<(ops R8:$dst), "sete $dst">;
 def SETEm    : Im8<"sete" , 0x94, MRM0m>, TB;            // [mem8] = ==
-def SETNEr   : I  <"setne", 0x95, MRM0r>, TB;            // R8 = !=
+def SETNEr   : I<0x95, MRM0r>, TB,                 // R8 = !=
+              II<(ops R8:$dst), "setne $dst">;
 def SETNEm   : Im8<"setne", 0x95, MRM0m>, TB;            // [mem8] = !=
-def SETBEr   : I  <"setbe", 0x96, MRM0r>, TB;            // R8 = <= unsign
+def SETBEr   : I<0x96, MRM0r>, TB,                 // R8 = <= unsign
+              II<(ops R8:$dst), "setbe $dst">;
 def SETBEm   : Im8<"setbe", 0x96, MRM0m>, TB;            // [mem8] = <= unsign
-def SETAr    : I  <"seta" , 0x97, MRM0r>, TB;            // R8 = >  signed
+def SETAr    : I<0x97, MRM0r>, TB,                // R8 = >  signed
+              II<(ops R8:$dst), "seta $dst">;
 def SETAm    : Im8<"seta" , 0x97, MRM0m>, TB;            // [mem8] = >  signed
-def SETSr    : I  <"sets" , 0x98, MRM0r>, TB;            // R8 = <sign bit>
+def SETSr    : I<0x98, MRM0r>, TB,                // R8 = <sign bit>
+              II<(ops R8:$dst), "sets $dst">;
 def SETSm    : Im8<"sets" , 0x98, MRM0m>, TB;            // [mem8] = <sign bit>
-def SETNSr   : I  <"setns", 0x99, MRM0r>, TB;            // R8 = !<sign bit>
+def SETNSr   : I<0x99, MRM0r>, TB,                 // R8 = !<sign bit>
+              II<(ops R8:$dst), "setns $dst">;
 def SETNSm   : Im8<"setns", 0x99, MRM0m>, TB;            // [mem8] = !<sign bit>
-def SETPr    : I  <"setp" , 0x9A, MRM0r>, TB;            // R8 = parity
+def SETPr    : I<0x9A, MRM0r>, TB,                // R8 = parity
+              II<(ops R8:$dst), "setp $dst">;
 def SETPm    : Im8<"setp" , 0x9A, MRM0m>, TB;            // [mem8] = parity
-def SETLr    : I  <"setl" , 0x9C, MRM0r>, TB;            // R8 = <  signed
+def SETLr    : I<0x9C, MRM0r>, TB,                // R8 = <  signed
+              II<(ops R8:$dst), "setl $dst">;
 def SETLm    : Im8<"setl" , 0x9C, MRM0m>, TB;            // [mem8] = <  signed
-def SETGEr   : I  <"setge", 0x9D, MRM0r>, TB;            // R8 = >= signed
+def SETGEr   : I<0x9D, MRM0r>, TB,                 // R8 = >= signed
+              II<(ops R8:$dst), "setge $dst">;
 def SETGEm   : Im8<"setge", 0x9D, MRM0m>, TB;            // [mem8] = >= signed
-def SETLEr   : I  <"setle", 0x9E, MRM0r>, TB;            // R8 = <= signed
+def SETLEr   : I<0x9E, MRM0r>, TB,                 // R8 = <= signed
+              II<(ops R8:$dst), "setle $dst">;
 def SETLEm   : Im8<"setle", 0x9E, MRM0m>, TB;            // [mem8] = <= signed
-def SETGr    : I  <"setg" , 0x9F, MRM0r>, TB;            // R8 = <  signed
+def SETGr    : I<0x9F, MRM0r>, TB,                // R8 = <  signed
+              II<(ops R8:$dst), "setg $dst">;
 def SETGm    : Im8<"setg" , 0x9F, MRM0m>, TB;            // [mem8] = <  signed
 
 // Integer comparisons
-def CMP8rr  : I    <"cmp", 0x38, MRMDestReg>;              // compare R8, R8
-def CMP16rr : I    <"cmp", 0x39, MRMDestReg>, OpSize;      // compare R16, R16
-def CMP32rr : I    <"cmp", 0x39, MRMDestReg>;              // compare R32, R32
+def CMP8rr  : I<0x38, MRMDestReg>,                              // compare R8, R8
+              II<(ops R8:$src1, R8:$src2), "cmp $src1, $src2">;
+def CMP16rr : I<0x39, MRMDestReg>, OpSize,                      // compare R16, R16
+              II<(ops R16:$src1, R16:$src2), "cmp $src1, $src2">;
+def CMP32rr : I<0x39, MRMDestReg>,                              // compare R32, R32
+              II<(ops R32:$src1, R32:$src2), "cmp $src1, $src2">;
 def CMP8mr  : Im8  <"cmp", 0x38, MRMDestMem>;              // compare [mem8], R8
 def CMP16mr : Im16 <"cmp", 0x39, MRMDestMem>, OpSize;      // compare [mem16], R16
 def CMP32mr : Im32 <"cmp", 0x39, MRMDestMem>;              // compare [mem32], R32
@@ -731,16 +801,22 @@ def CMP16mi : Im16i16<"cmp", 0x81, MRM7m   >, OpSize;      // compare [mem16], i
 def CMP32mi : Im32i32<"cmp", 0x81, MRM7m   >;              // compare [mem32], imm32
 
 // Sign/Zero extenders
-def MOVSX16rr8 : I   <"movsx", 0xBE, MRMSrcReg>, TB, OpSize; // R16 = signext(R8)
-def MOVSX32rr8 : I   <"movsx", 0xBE, MRMSrcReg>, TB;         // R32 = signext(R8)
-def MOVSX32rr16: I   <"movsx", 0xBF, MRMSrcReg>, TB;         // R32 = signext(R16)
+def MOVSX16rr8 : I<0xBE, MRMSrcReg>, TB, OpSize,             // R16 = signext(R8)
+                II<(ops R16:$dst, R8:$src), "movsx $dst, $src">;
+def MOVSX32rr8 : I<0xBE, MRMSrcReg>, TB,                     // R32 = signext(R8)
+                II<(ops R32:$dst, R8:$src), "movsx $dst, $src">;
+def MOVSX32rr16: I<0xBF, MRMSrcReg>, TB,                     // R32 = signext(R16)
+                II<(ops R32:$dst, R16:$src), "movsx $dst, $src">;
 def MOVSX16rm8 : Im8 <"movsx", 0xBE, MRMSrcMem>, TB, OpSize; // R16 = signext([mem8])
 def MOVSX32rm8 : Im8 <"movsx", 0xBE, MRMSrcMem>, TB;         // R32 = signext([mem8])
 def MOVSX32rm16: Im16<"movsx", 0xBF, MRMSrcMem>, TB;         // R32 = signext([mem16])
 
-def MOVZX16rr8 : I   <"movzx", 0xB6, MRMSrcReg>, TB, OpSize; // R16 = zeroext(R8)
-def MOVZX32rr8 : I   <"movzx", 0xB6, MRMSrcReg>, TB;         // R32 = zeroext(R8)
-def MOVZX32rr16: I   <"movzx", 0xB7, MRMSrcReg>, TB;         // R32 = zeroext(R16)
+def MOVZX16rr8 : I<0xB6, MRMSrcReg>, TB, OpSize, // R16 = zeroext(R8)
+                II<(ops R16:$dst, R8:$src), "movzx $dst, $src">;
+def MOVZX32rr8 : I<0xB6, MRMSrcReg>, TB,         // R32 = zeroext(R8)
+                II<(ops R32:$dst, R8:$src), "movzx $dst, $src">;
+def MOVZX32rr16: I<0xB7, MRMSrcReg>, TB,         // R32 = zeroext(R16)
+                II<(ops R32:$dst, R16:$src), "movzx $dst, $src">;
 def MOVZX16rm8 : Im8 <"movzx", 0xB6, MRMSrcMem>, TB, OpSize; // R16 = zeroext([mem8])
 def MOVZX32rm8 : Im8 <"movzx", 0xB6, MRMSrcMem>, TB;         // R32 = zeroext([mem8])
 def MOVZX32rm16: Im16<"movzx", 0xB7, MRMSrcMem>, TB;         // R32 = zeroext([mem16])
@@ -769,14 +845,14 @@ class FPI80m<string n, bits<8> o, Format F, FPFormat fp> : FPIM<n, o, F, fp, Mem
 // because they can be expanded by the fp spackifier into one of many different
 // forms of instructions for doing these operations.  Until the stackifier runs,
 // we prefer to be abstract.
-def FpMOV : FPI<"FMOV", 0, Pseudo, SpecialFP>;   // f1 = fmov f2
-def FpADD : FPI<"FADD", 0, Pseudo, TwoArgFP>;    // f1 = fadd f2, f3
-def FpSUB : FPI<"FSUB", 0, Pseudo, TwoArgFP>;    // f1 = fsub f2, f3
-def FpMUL : FPI<"FMUL", 0, Pseudo, TwoArgFP>;    // f1 = fmul f2, f3
-def FpDIV : FPI<"FDIV", 0, Pseudo, TwoArgFP>;    // f1 = fdiv f2, f3
+def FpMOV : FPI<"", 0, Pseudo, SpecialFP>;   // f1 = fmov f2
+def FpADD : FPI<"", 0, Pseudo, TwoArgFP>;    // f1 = fadd f2, f3
+def FpSUB : FPI<"", 0, Pseudo, TwoArgFP>;    // f1 = fsub f2, f3
+def FpMUL : FPI<"", 0, Pseudo, TwoArgFP>;    // f1 = fmul f2, f3
+def FpDIV : FPI<"", 0, Pseudo, TwoArgFP>;    // f1 = fdiv f2, f3
 
-def FpGETRESULT : FPI<"FGETRESULT",0, Pseudo, SpecialFP>;  // FPR = ST(0)
-def FpSETRESULT : FPI<"FSETRESULT",0, Pseudo, SpecialFP>;  // ST(0) = FPR
+def FpGETRESULT : FPI<"",0, Pseudo, SpecialFP>;  // FPR = ST(0)
+def FpSETRESULT : FPI<"",0, Pseudo, SpecialFP>;  // ST(0) = FPR
 
 // FADD reg, mem: Before stackification, these are represented by: R1 = FADD* R2, [mem]
 def FADD32m  : FPI32m<"fadd",  0xD8, MRM0m, OneArgFPRW>;    // ST(0) = ST(0) + [mem32real]
@@ -819,17 +895,17 @@ def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>;  // ST(0) = [mem32int
 
 // Floating point cmovs...
 let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
-  def FCMOVB  : FPI<"fcmovb" , 0xC0, AddRegFrm, CondMovFP>, DA,     // fcmovb  ST(i) -> ST(0)
+  def FCMOVB  : FPI<"" , 0xC0, AddRegFrm, CondMovFP>, DA,    // fcmovb  ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmovb %ST(0), $op">;
-  def FCMOVBE : FPI<"fcmovbe", 0xD0, AddRegFrm, CondMovFP>, DA,     // fcmovbe ST(i) -> ST(0)
+  def FCMOVBE : FPI<"", 0xD0, AddRegFrm, CondMovFP>, DA,     // fcmovbe ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmovbe %ST(0), $op">;
-  def FCMOVE  : FPI<"fcmove" , 0xC8, AddRegFrm, CondMovFP>, DA,     // fcmove  ST(i) -> ST(0)
+  def FCMOVE  : FPI<"" , 0xC8, AddRegFrm, CondMovFP>, DA,    // fcmove  ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmove %ST(0), $op">;
-  def FCMOVAE : FPI<"fcmovae", 0xC0, AddRegFrm, CondMovFP>, DB,     // fcmovae ST(i) -> ST(0)
+  def FCMOVAE : FPI<"", 0xC0, AddRegFrm, CondMovFP>, DB,     // fcmovae ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmovae %ST(0), $op">;
-  def FCMOVA  : FPI<"fcmova" , 0xD0, AddRegFrm, CondMovFP>, DB,     // fcmova  ST(i) -> ST(0)
+  def FCMOVA  : FPI<"" , 0xD0, AddRegFrm, CondMovFP>, DB,    // fcmova  ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmova %ST(0), $op">;
-  def FCMOVNE : FPI<"fcmovne", 0xC8, AddRegFrm, CondMovFP>, DB,     // fcmovne ST(i) -> ST(0)
+  def FCMOVNE : FPI<"", 0xC8, AddRegFrm, CondMovFP>, DB,     // fcmovne ST(i) -> ST(0)
                  II<(ops RST:$op), "fcmovne %ST(0), $op">;
 }
 
@@ -859,70 +935,72 @@ def FISTP64m : FPI64m <"fistpll", 0xDF, MRM7m , OneArgFP>;          // store sig
 def FXCH     : FPI    <"fxch",    0xC8, AddRegFrm, NotFP>, D9;      // fxch ST(i), ST(0)
 
 // Floating point constant loads...
-def FLD0 : FPI<"fldz", 0xEE, RawFrm, ZeroArgFP>, D9,
+def FLD0 : FPI<"", 0xEE, RawFrm, ZeroArgFP>, D9,
                II<(ops), "fldz">;
-def FLD1 : FPI<"fld1", 0xE8, RawFrm, ZeroArgFP>, D9,
+def FLD1 : FPI<"", 0xE8, RawFrm, ZeroArgFP>, D9,
                II<(ops), "fld1">;
 
 
 // Unary operations...
-def FCHS : FPI<"fchs", 0xE0, RawFrm, OneArgFPRW>, D9,           // f1 = fchs f2
+def FCHS : FPI<"", 0xE0, RawFrm, OneArgFPRW>, D9,           // f1 = fchs f2
                II<(ops), "fchs">;
-def FTST : FPI<"ftst", 0xE4, RawFrm, OneArgFP>, D9,             // ftst ST(0)
+def FTST : FPI<"", 0xE4, RawFrm, OneArgFP>, D9,             // ftst ST(0)
                II<(ops), "ftst">;
 
 // Binary arithmetic operations...
-class FPST0rInst<string n, bits<8> o> : I<n, o, AddRegFrm>, D8 {
+class FPST0rInst<bits<8> o> : I<o, AddRegFrm>, D8 {
   list<Register> Uses = [ST0];
   list<Register> Defs = [ST0];
 }
-class FPrST0Inst<string n, bits<8> o> : I<n, o, AddRegFrm>, DC {
+class FPrST0Inst<bits<8> o> : I<o, AddRegFrm>, DC {
   list<Register> Uses = [ST0];
 }
-class FPrST0PInst<string n, bits<8> o> : I<n, o, AddRegFrm>, DE {
+class FPrST0PInst<bits<8> o> : I<o, AddRegFrm>, DE {
   list<Register> Uses = [ST0];
 }
 
-def FADDST0r   : FPST0rInst <"fadd",    0xC0>;
-def FADDrST0   : FPrST0Inst <"fadd",    0xC0>, II<(ops RST:$op), "fadd $op, %ST(0)">;
-def FADDPrST0  : FPrST0PInst<"faddp",   0xC0>;
+def FADDST0r   : FPST0rInst <0xC0>, II<(ops RST:$op), "fadd $op">;
+def FADDrST0   : FPrST0Inst <0xC0>, II<(ops RST:$op), "fadd $op, %ST(0)">;
+def FADDPrST0  : FPrST0PInst<0xC0>, II<(ops RST:$op), "faddp $op">;
 
-def FSUBRST0r  : FPST0rInst <"fsubr",   0xE8>;
-def FSUBrST0   : FPrST0Inst <"fsub",    0xE8>, II<(ops RST:$op), "fsub $op, %ST(0)">;
-def FSUBPrST0  : FPrST0PInst<"fsubp",   0xE8>;
+def FSUBRST0r  : FPST0rInst <0xE8>, II<(ops RST:$op), "fsubr $op">;
+def FSUBrST0   : FPrST0Inst <0xE8>, II<(ops RST:$op), "fsub $op, %ST(0)">;
+def FSUBPrST0  : FPrST0PInst<0xE8>, II<(ops RST:$op), "fsubp $op">;
 
-def FSUBST0r   : FPST0rInst <"fsub",    0xE0>;
-def FSUBRrST0  : FPrST0Inst <"fsubr",   0xE0>, II<(ops RST:$op), "fsubr $op, %ST(0)">;
-def FSUBRPrST0 : FPrST0PInst<"fsubrp",  0xE0>;
+def FSUBST0r   : FPST0rInst <0xE0>, II<(ops RST:$op), "fsub $op">;
+def FSUBRrST0  : FPrST0Inst <0xE0>, II<(ops RST:$op), "fsubr $op, %ST(0)">;
+def FSUBRPrST0 : FPrST0PInst<0xE0>, II<(ops RST:$op), "fsubrp $op">;
 
-def FMULST0r   : FPST0rInst <"fmul",    0xC8>;
-def FMULrST0   : FPrST0Inst <"fmul",    0xC8>, II<(ops RST:$op), "fmul $op, %ST(0)">;
-def FMULPrST0  : FPrST0PInst<"fmulp",   0xC8>;
+def FMULST0r   : FPST0rInst <0xC8>, II<(ops RST:$op), "fmul $op">;
+def FMULrST0   : FPrST0Inst <0xC8>, II<(ops RST:$op), "fmul $op, %ST(0)">;
+def FMULPrST0  : FPrST0PInst<0xC8>, II<(ops RST:$op), "fmulp $op">;
 
-def FDIVRST0r  : FPST0rInst <"fdivr",   0xF8>;
-def FDIVrST0   : FPrST0Inst <"fdiv",    0xF8>, II<(ops RST:$op), "fdiv $op, %ST(0)">;
-def FDIVPrST0  : FPrST0PInst<"fdivp",   0xF8>;
+def FDIVRST0r  : FPST0rInst <0xF8>, II<(ops RST:$op), "fdivr $op">;
+def FDIVrST0   : FPrST0Inst <0xF8>, II<(ops RST:$op), "fdiv $op, %ST(0)">;
+def FDIVPrST0  : FPrST0PInst<0xF8>, II<(ops RST:$op), "fdivp $op">;
 
-def FDIVST0r   : FPST0rInst <"fdiv",    0xF0>;   // ST(0) = ST(0) / ST(i)
-def FDIVRrST0  : FPrST0Inst <"fdivr",   0xF0>, II<(ops RST:$op), "fdivr $op, %ST(0)">;   // ST(i) = ST(0) / ST(i)
-def FDIVRPrST0 : FPrST0PInst<"fdivrp",  0xF0>;   // ST(i) = ST(0) / ST(i), pop
+def FDIVST0r   : FPST0rInst <0xF0>, II<(ops RST:$op), "fdiv $op">;           // ST(0) = ST(0) / ST(i)
+def FDIVRrST0  : FPrST0Inst <0xF0>, II<(ops RST:$op), "fdivr $op, %ST(0)">;  // ST(i) = ST(0) / ST(i)
+def FDIVRPrST0 : FPrST0PInst<0xF0>, II<(ops RST:$op), "fdivrp $op">;         // ST(i) = ST(0) / ST(i), pop
 
 // Floating point compares
-def FUCOMr    : FPI<"fucom", 0xE0, AddRegFrm, CompareFP>, DD, Imp<[ST0],[]>;  // FPSW = compare ST(0) with ST(i)
-def FUCOMPr   : I<"fucomp" , 0xE8, AddRegFrm>, DD, Imp<[ST0],[]>;  // FPSW = compare ST(0) with ST(i), pop
-def FUCOMPPr  : I<"fucompp", 0xE9, RawFrm   >, DA, Imp<[ST0],[]>,  // compare ST(0) with ST(1), pop, pop
+def FUCOMr    : FPI<"", 0xE0, AddRegFrm, CompareFP>, DD, Imp<[ST0],[]>,  // FPSW = compare ST(0) with ST(i)
+                II<(ops RST:$reg), "fucom $reg">;
+def FUCOMPr   : I<0xE8, AddRegFrm>, DD, Imp<[ST0],[]>,  // FPSW = compare ST(0) with ST(i), pop
+                II<(ops RST:$reg), "fucomp $reg">;
+def FUCOMPPr  : I<0xE9, RawFrm   >, DA, Imp<[ST0],[]>,  // compare ST(0) with ST(1), pop, pop
                 II<(ops), "fucompp">;
 
 
-def FUCOMIr  : FPI<"fucomi", 0xE8, AddRegFrm, CompareFP>, DB, Imp<[ST0],[]>,  // CC = compare ST(0) with ST(i)
+def FUCOMIr  : FPI<"", 0xE8, AddRegFrm, CompareFP>, DB, Imp<[ST0],[]>,  // CC = compare ST(0) with ST(i)
                II<(ops RST:$reg), "fucomi %ST(0), $reg">;
-def FUCOMIPr : I<"fucomip", 0xE8, AddRegFrm>, DF, Imp<[ST0],[]>,  // CC = compare ST(0) with ST(i), pop
+def FUCOMIPr : I<0xE8, AddRegFrm>, DF, Imp<[ST0],[]>,  // CC = compare ST(0) with ST(i), pop
                II<(ops RST:$reg), "fucomip %ST(0), $reg">;
 
 
 // Floating point flag ops
-def FNSTSW8r  : I   <"fnstsw" , 0xE0, RawFrm>, DF, Imp<[],[AX]>,   // AX = fp flags
+def FNSTSW8r  : I<0xE0, RawFrm>, DF, Imp<[],[AX]>,   // AX = fp flags
                 II<(ops), "fnstsw">;
 
-def FNSTCW16m : Im16<"fnstcw" , 0xD9, MRM7m >;                     // [mem16] = X87 control world
-def FLDCW16m  : Im16<"fldcw"  , 0xD9, MRM5m >;                     // X87 control world = [mem16]
+def FNSTCW16m : Im16<"fnstcw", 0xD9, MRM7m>;                     // [mem16] = X87 control world
+def FLDCW16m  : Im16<"fldcw" , 0xD9, MRM5m>;                     // X87 control world = [mem16]