[ia32] Add cmpps/vcmpps for eq/lt/le/neq

src/ia32/disasm-ia32.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <assert.h>
 #include <stdarg.h>
 #include <stdio.h>
 
 #if V8_TARGET_ARCH_IA32
 
@@ skipping 1010 matching lines @@
       case 0x5E:
         AppendToBuffer("vdivps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x5F:
         AppendToBuffer("vmaxps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0xC2: {
+        const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                         "neq", "nlt", "nle", "ord"};
+        AppendToBuffer("vcmpps %s,%s,", NameOfXMMRegister(regop),
+                       NameOfXMMRegister(vvvv));
+        current += PrintRightXMMOperand(current);
+        AppendToBuffer(", (%s)", pseudo_op[*current]);
+        current++;
+        break;
+      }
       default:
         UnimplementedInstruction();
     }
   } else if (vex_66() && vex_0f()) {
     int mod, regop, rm, vvvv = vex_vreg();
     get_modrm(*current, &mod, &regop, &rm);
     switch (opcode) {
       case 0x54:
         AppendToBuffer("vandpd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
@@ skipping 521 matching lines @@
                            NameOfXMMRegister(regop));
             data += PrintRightXMMOperand(data);
           } else if (f0byte == 0x50) {
             data += 2;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             AppendToBuffer("movmskps %s,%s",
                            NameOfCPURegister(regop),
                            NameOfXMMRegister(rm));
             data++;
+          } else if (f0byte == 0xC2) {
+            data += 2;
+            int mod, regop, rm;
+            get_modrm(*data, &mod, &regop, &rm);
+            const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                             "neq", "nlt", "nle", "ord"};
+            AppendToBuffer("cmpps %s, ", NameOfXMMRegister(regop));
+            data += PrintRightXMMOperand(data);
+            AppendToBuffer(", (%s)", pseudo_op[*data]);
+            data++;
           } else if (f0byte== 0xC6) {
             // shufps xmm, xmm/m128, imm8
             data += 2;
             int mod, regop, rm;
             get_modrm(*data, &mod, &regop, &rm);
             int8_t imm8 = static_cast<int8_t>(data[1]);
             AppendToBuffer("shufps %s,%s,%d",
                             NameOfXMMRegister(rm),
                             NameOfXMMRegister(regop),
                             static_cast<int>(imm8));
@@ skipping 839 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_IA32