[x64] Implement vmovd and vmovq AVX 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 333 matching lines @@
 
   // Actual number of base register given the low bits and the rex.b state.
   int base_reg(int low_bits) { return low_bits | ((rex_ & 0x01) << 3); }
 
   bool rex_x() { return (rex_ & 0x02) != 0; }
 
   bool rex_r() { return (rex_ & 0x04) != 0; }
 
   bool rex_w() { return (rex_ & 0x08) != 0; }
 
+  bool vex_w() {
+    DCHECK(vex_byte0_ == VEX3_PREFIX || vex_byte0_ == VEX2_PREFIX);
+    return vex_byte0_ == VEX3_PREFIX ? (vex_byte2_ & 0x80) != 0 : false;
+  }
+
   bool vex_128() {
     DCHECK(vex_byte0_ == VEX3_PREFIX || vex_byte0_ == VEX2_PREFIX);
     byte checked = vex_byte0_ == VEX3_PREFIX ? vex_byte2_ : vex_byte1_;
     return (checked & 4) != 1;
   }
 
   bool vex_none() {
     DCHECK(vex_byte0_ == VEX3_PREFIX || vex_byte0_ == VEX2_PREFIX);
     byte checked = vex_byte0_ == VEX3_PREFIX ? vex_byte2_ : vex_byte1_;
     return (checked & 3) == 0;
@@ skipping 820 matching lines @@
       case 0x54:
         AppendToBuffer("vandpd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
       case 0x57:
         AppendToBuffer("vxorpd %s,%s,", NameOfXMMRegister(regop),
                        NameOfXMMRegister(vvvv));
         current += PrintRightXMMOperand(current);
         break;
+      case 0x6e:
+        AppendToBuffer("vmov%c %s,", vex_w() ? 'q' : 'd',
+                       NameOfXMMRegister(regop));
+        current += PrintRightOperand(current);
+        break;
+      case 0x7e:
+        AppendToBuffer("vmov%c ", vex_w() ? 'q' : 'd');
+        current += PrintRightOperand(current);
+        AppendToBuffer(",%s", NameOfXMMRegister(regop));
+        break;
       default:
         UnimplementedInstruction();
     }
 
   } else {
     UnimplementedInstruction();
   }
 
   return static_cast<int>(current - data);
 }
@@ skipping 1170 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