Revert SSE assembler changes

runtime/vm/disassembler_ia32.cc

Index: runtime/vm/disassembler_ia32.cc
diff --git a/runtime/vm/disassembler_ia32.cc b/runtime/vm/disassembler_ia32.cc
index 5610b5f0acc6f58ae379f9e501a35484267af920..cc08f941989b01302321c93cfebe994a0f831e3e 100644
--- a/runtime/vm/disassembler_ia32.cc
+++ b/runtime/vm/disassembler_ia32.cc
@@ -237,22 +237,8 @@ static const char* F0Mnem(uint8_t f0byte) {
     case 0xAD: return "shrd";
     case 0xAB: return "bts";
     case 0xB1: return "cmpxchg";
-    case 0x50: return "movmskps";
-    case 0x51: return "sqrtps";
-    case 0x52: return "rqstps";
-    case 0x53: return "rcpps";
-    case 0x54: return "andps";
-    case 0x56: return "orps";
     case 0x57: return "xorps";
-    case 0x58: return "addps";
-    case 0x59: return "mulps";
-    case 0x5C: return "subps";
-    case 0x5D: return "minps";
-    case 0x5E: return "divps";
-    case 0x5F: return "maxps";
     case 0x28: return "movaps";
-    case 0x10: return "movups";
-    case 0x11: return "movups";
     default: return NULL;
   }
 }
@@ -300,7 +286,6 @@ class X86Decoder : public ValueObject {
   void PrintCPURegister(int reg);
   void PrintCPUByteRegister(int reg);
   void PrintXmmRegister(int reg);
-  void PrintXmmComparison(int comparison);
   void PrintAddress(uword addr);
 
   typedef void (X86Decoder::*RegisterNamePrinter)(int reg);
@@ -410,15 +395,6 @@ void X86Decoder::PrintXmmRegister(int reg) {
   Print(xmm_regs[reg]);
 }
 
-void X86Decoder::PrintXmmComparison(int comparison) {
-  ASSERT(0 <= comparison);
-  ASSERT(comparison < 8);
-  static const char* comparisons[8] = {
-    "eq", "lt", "le", "unordered", "not eq", "not lt", "not le", "ordered"
-  };
-  Print(comparisons[comparison]);
-}
-
 
 static const char* ObjectToCStringNoGC(const Object& obj) {
   if (obj.IsSmi() ||
@@ -1361,54 +1337,6 @@ int X86Decoder::InstructionDecode(uword pc) {
             PrintXmmRegister(regop);
             Print(",");
             data += PrintRightXmmOperand(data);
-          } else if (f0byte == 0x11) {
-            Print("movups ");
-            int mod, regop, rm;
-            GetModRm(*data, &mod, &regop, &rm);
-            data += PrintRightXmmOperand(data);
-            Print(",");
-            PrintXmmRegister(regop);
-          } else if (f0byte == 0x10) {
-            int mod, regop, rm;
-            GetModRm(*data, &mod, &regop, &rm);
-            Print("movups ");
-            PrintXmmRegister(regop);
-            Print(",");
-            data += PrintRightOperand(data);
-          } else if (f0byte == 0x51 || f0byte == 0x52 || f0byte == 0x53 ||
-                     f0byte == 0x54 || f0byte == 0x56 || f0byte == 0x58 ||
-                     f0byte == 0x59 || f0byte == 0x5C || f0byte == 0x5D ||
-                     f0byte == 0x5E || f0byte == 0x5F) {
-            int mod, regop, rm;
-            GetModRm(*data, &mod, &regop, &rm);
-            Print(f0mnem);
-            Print(" ");
-            PrintXmmRegister(regop);
-            Print(",");
-            data += PrintRightXmmOperand(data);
-          } else if (f0byte == 0x50) {
-            Print("movmskpd ");
-            int mod, regop, rm;
-            GetModRm(*data, &mod, &regop, &rm);
-            PrintCPURegister(regop);
-            Print(",");
-            data += PrintRightXmmOperand(data);
-          } else if (f0byte == 0xC2 || f0byte == 0xC6) {
-            if (f0byte == 0xC2)
-              Print("cmpps ");
-            else
-              Print("shufps ");
-            int mod, regop, rm;
-            GetModRm(*data, &mod, &regop, &rm);
-            Print(" ");
-            PrintXmmRegister(regop);
-            Print(",");
-            data += PrintRightXmmOperand(data);
-            int comparison = *data;
-            Print(" [");
-            PrintHex(comparison);
-            Print("]");
-            data++;
           } else {
             UNIMPLEMENTED();
           }