[x86] Introduce vandps/vandpd/vxorps/vxorpd.

src/ia32/disasm-ia32.cc

Index: src/ia32/disasm-ia32.cc
diff --git a/src/ia32/disasm-ia32.cc b/src/ia32/disasm-ia32.cc
index d13127773aa9869c01fbf2e848d1af1ece8c5df0..80ac52864e04a3720da94b8495cb30a4ec80e490 100644
--- a/src/ia32/disasm-ia32.cc
+++ b/src/ia32/disasm-ia32.cc
@@ -985,6 +985,40 @@ int DisassemblerIA32::AVXInstruction(byte* data) {
       default:
         UnimplementedInstruction();
     }
+  } else if (vex_none() && vex_0f()) {
+    int mod, regop, rm, vvvv = vex_vreg();
+    get_modrm(*current, &mod, &regop, &rm);
+    switch (opcode) {
+      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;
+      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));
+        current += PrintRightXMMOperand(current);
+        break;
+      case 0x57:
+        AppendToBuffer("vxorpd %s,%s,", NameOfXMMRegister(regop),
+                       NameOfXMMRegister(vvvv));
+        current += PrintRightXMMOperand(current);
+        break;
+      default:
+        UnimplementedInstruction();
+    }
   } else {
     UnimplementedInstruction();
   }