[x64] Use vmovapd and vmovsd when AVX is enabled.

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 970 matching lines @@
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       default:
         UnimplementedInstruction();
     }
   } else if (vex_f2() && vex_0f()) {
     int mod, regop, rm, vvvv = vex_vreg();
     get_modrm(*current, &mod, &regop, &rm);
     switch (opcode) {
+      case 0x10:
+        AppendToBuffer("vmovsd %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
+      case 0x11:
+        AppendToBuffer("vmovsd ");
+        current += PrintRightXMMOperand(current);
+        AppendToBuffer(",%s", NameOfXMMRegister(regop));
+        break;
       case 0x58:
         AppendToBuffer("vaddsd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x59:
         AppendToBuffer("vmulsd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
@@ skipping 146 matching lines @@
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(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 0x28:
+        AppendToBuffer("vmovapd %s,", NameOfXMMRegister(regop));
+        current += PrintRightXMMOperand(current);
+        break;
+      case 0x29:
+        AppendToBuffer("vmovapd ");
+        current += PrintRightXMMOperand(current);
+        AppendToBuffer(",%s", NameOfXMMRegister(regop));
+        break;
       case 0x2e:
         AppendToBuffer("vucomisd %s,", NameOfXMMRegister(regop));
         current += PrintRightXMMOperand(current);
         break;
       case 0x54:
         AppendToBuffer("vandpd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x57:
@@ skipping 1184 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