Add equality type parameter to HCompareObjectAndBranch

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 7f0ed3dbaeaafe00f3924c307a96a6e431d4d7d9..852a288190308e18633295b24d60ea58b8e1f9a0 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -2023,6 +2023,9 @@ inline Condition LCodeGen::TokenToCondition(Token::Value op, bool is_unsigned) {
     case Token::EQ_STRICT:
       cond = equal;
       break;
+    case Token::NE:
+      cond = not_equal;
+      break;
     case Token::LT:
       cond = is_unsigned ? below : less;
       break;
@@ -2105,7 +2108,7 @@ void LCodeGen::DoCompareNumericAndBranch(LCompareNumericAndBranch* instr) {
 }
 
 
-void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
+void LCodeGen::DoCmpObjectAndBranch(LCmpObjectAndBranch* instr) {
   Register left = ToRegister(instr->left());
 
   if (instr->right()->IsConstantOperand()) {
@@ -2115,7 +2118,11 @@ void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
     Register right = ToRegister(instr->right());
     __ cmpq(left, right);
   }
-  EmitBranch(instr, equal);
+  if (instr->hydrogen()->is_equal()) {
+    EmitBranch(instr, equal);
+  } else {
+    EmitBranch(instr, not_equal);
+  }
 }