S390: [es6] Faster implementation of OrdinaryHasInstance.

src/s390/builtins-s390.cc

 // Copyright 2014 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.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1439 matching lines @@
         ExternalReference::get_date_field_function(masm->isolate()), 2);
   }
   __ Ret();
 
   // 3. Raise a TypeError if the receiver is not a date.
   __ bind(&receiver_not_date);
   __ TailCallRuntime(Runtime::kThrowNotDateError);
 }
 
 // static
+void Builtins::Generate_FunctionHasInstance(MacroAssembler* masm) {
+  // ----------- S t a t e -------------
+  //  -- r2    : argc
+  //  -- sp[0] : first argument (left-hand side)
+  //  -- sp[4] : receiver (right-hand side)
+  // -----------------------------------
+
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    __ LoadP(InstanceOfDescriptor::LeftRegister(),
+             MemOperand(fp, 2 * kPointerSize));  // Load left-hand side.
+    __ LoadP(InstanceOfDescriptor::RightRegister(),
+             MemOperand(fp, 3 * kPointerSize));  // Load right-hand side.
+    InstanceOfStub stub(masm->isolate(), true);
+    __ CallStub(&stub);
+  }
+
+  // Pop the argument and the receiver.
+  __ Ret(2);
+}
+
+// static
 void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r2    : argc
   //  -- sp[0] : argArray
   //  -- sp[4] : thisArg
   //  -- sp[8] : receiver
   // -----------------------------------
 
   // 1. Load receiver into r3, argArray into r2 (if present), remove all
   // arguments from the stack (including the receiver), and push thisArg (if
@@ skipping 1043 matching lines @@
     __ bkpt(0);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390