Update V8 to r7079 as required by WebKit r80534.

Change-Id: I487c152e485d5a40b68997d7c0d2f1fba5da0834
diff --git a/src/x64/disasm-x64.cc b/src/x64/disasm-x64.cc
index f73f948..21a100f 100644
--- a/src/x64/disasm-x64.cc
+++ b/src/x64/disasm-x64.cc
@@ -1,4 +1,4 @@
-// Copyright 2009 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -1040,14 +1040,18 @@
         AppendToBuffer(", %s", NameOfXMMRegister(regop));
       } else {
         const char* mnemonic = "?";
-        if (opcode == 0x57) {
+        if (opcode == 0x50) {
+          mnemonic = "movmskpd";
+        } else  if (opcode == 0x54) {
+          mnemonic = "andpd";
+        } else  if (opcode == 0x56) {
+          mnemonic = "orpd";
+        } else  if (opcode == 0x57) {
           mnemonic = "xorpd";
         } else if (opcode == 0x2E) {
           mnemonic = "ucomisd";
         } else if (opcode == 0x2F) {
           mnemonic = "comisd";
-        } else if (opcode == 0x50) {
-          mnemonic = "movmskpd";
         } else {
           UnimplementedInstruction();
         }