[es6] Faster implementation of OrdinaryHasInstance.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index c661f38f67380e7d9e00336a484029bae4336444..79bef4c2acb93578f09f18be67e58fb244a5e939 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -956,6 +956,28 @@ void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
   }
 }
 
+// static
+void Builtins::Generate_FunctionHasInstance(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- eax    : argc
+  //  -- esp[0] : return address
+  //  -- esp[4] : first argument (left-hand side)
+  //  -- esp[8] : receiver (right-hand side)
+  // -----------------------------------
+
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    __ mov(InstanceOfDescriptor::LeftRegister(),
+           Operand(ebp, 2 * kPointerSize));  // Load left-hand side.
+    __ mov(InstanceOfDescriptor::RightRegister(),
+           Operand(ebp, 3 * kPointerSize));  // Load right-hand side.
+    InstanceOfStub stub(masm->isolate(), true);
+    __ CallStub(&stub);
+  }
+
+  // Pop the argument and the receiver.
+  __ ret(2 * kPointerSize);
+}
 
 // static
 void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
@@ -1142,7 +1164,6 @@ void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
   }
 }
 
-
 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax     : argc