[x64]: add cmpps/cmppd instructions

src/x64/disasm-x64.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_X64
 
@@ skipping 1241 matching lines @@
       case 0x54:
         AppendToBuffer("vandps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x57:
         AppendToBuffer("vxorps %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0xC2: {
+        AppendToBuffer("vcmpps %s,%s,", NameOfXMMRegister(regop),
+                       NameOfXMMRegister(vvvv));
+        current += PrintRightXMMOperand(current);
+        const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                         "neq", "nlt", "nle", "ord"};
+        AppendToBuffer(", (%s)", pseudo_op[*current]);
+        current += 1;
+        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 0x10:
         AppendToBuffer("vmovupd %s,", NameOfXMMRegister(regop));
         current += PrintRightXMMOperand(current);
@@ skipping 49 matching lines @@
       case 0x76:
         AppendToBuffer("vpcmpeqd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x7e:
         AppendToBuffer("vmov%c ", vex_w() ? 'q' : 'd');
         current += PrintRightOperand(current);
         AppendToBuffer(",%s", NameOfXMMRegister(regop));
         break;
+      case 0xC2: {
+        AppendToBuffer("vcmppd %s,%s,", NameOfXMMRegister(regop),
+                       NameOfXMMRegister(vvvv));
+        current += PrintRightXMMOperand(current);
+        const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                         "neq", "nlt", "nle", "ord"};
+        AppendToBuffer(", (%s)", pseudo_op[*current]);
+        current += 1;
+        break;
+      }
       default:
         UnimplementedInstruction();
     }
 
   } else {
     UnimplementedInstruction();
   }
 
   return static_cast<int>(current - data);
 }
@@ skipping 332 matching lines @@
         } else if (opcode == 0x62) {
           mnemonic = "punpckldq";
         } else if (opcode == 0x6A) {
           mnemonic = "punpckhdq";
         } else if (opcode == 0xF4) {
           mnemonic = "pmuludq";
         } else if (opcode == 0xFA) {
           mnemonic = "psubd";
         } else if (opcode == 0xFE) {
           mnemonic = "paddd";
+        } else if (opcode == 0xC2) {
+          mnemonic = "cmppd";
         } else {
           UnimplementedInstruction();
         }
         AppendToBuffer("%s %s,", mnemonic, NameOfXMMRegister(regop));
         current += PrintRightXMMOperand(current);
+        if (opcode == 0xC2) {
+          const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                           "neq", "nlt", "nle", "ord"};
+          AppendToBuffer(", (%s)", pseudo_op[*current]);
+          current += 1;
+        }
       }
     }
   } else if (group_1_prefix_ == 0xF2) {
     // Beginning of instructions with prefix 0xF2.
 
     if (opcode == 0x11 || opcode == 0x10) {
       // MOVSD: Move scalar double-precision fp to/from/between XMM registers.
       AppendToBuffer("movsd ");
       int mod, regop, rm;
       get_modrm(*current, &mod, &regop, &rm);
@@ skipping 191 matching lines @@
     int mod, regop, rm;
     get_modrm(*current, &mod, &regop, &rm);
     AppendToBuffer("%s %s,", pseudo_op[opcode - 0x51],
                    NameOfXMMRegister(regop));
     current += PrintRightXMMOperand(current);
 
   } else if (opcode == 0xC2) {
     // cmpps xmm, xmm/m128, imm8
     int mod, regop, rm;
     get_modrm(*current, &mod, &regop, &rm);
-    const char* const pseudo_op[] = {"cmpeqps",    "cmpltps",  "cmpleps",
-                                     "cmpunordps", "cmpneqps", "cmpnltps",
-                                     "cmpnleps",   "cmpordps"};
-    AppendToBuffer("%s %s,%s", pseudo_op[current[1]], NameOfXMMRegister(regop),
-                   NameOfXMMRegister(rm));
-    current += 2;
+    const char* const pseudo_op[] = {"eq",  "lt",  "le",  "unord",
+                                     "neq", "nlt", "nle", "ord"};
+    AppendToBuffer("cmpps %s, ", NameOfXMMRegister(regop));
+    current += PrintRightXMMOperand(current);
+    AppendToBuffer(", %s", pseudo_op[*current]);
+    current += 1;
   } else if (opcode == 0xC6) {
     // shufps xmm, xmm/m128, imm8
     int mod, regop, rm;
     get_modrm(*current, &mod, &regop, &rm);
     AppendToBuffer("shufps %s, ", NameOfXMMRegister(regop));
     current += PrintRightXMMOperand(current);
     AppendToBuffer(", %d", (*current) & 3);
     current += 1;
   } else if (opcode == 0x50) {
     // movmskps reg, xmm
@@ skipping 665 matching lines @@
     for (int i = 6 - static_cast<int>(pc - prev_pc); i >= 0; i--) {
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_X64