X87: [es6] Faster implementation of OrdinaryHasInstance.

src/x87/builtins-x87.cc

 // Copyright 2012 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_X87
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 939 matching lines @@
 
   // 3. Raise a TypeError if the receiver is not a date.
   __ bind(&receiver_not_date);
   {
     FrameScope scope(masm, StackFrame::MANUAL);
     __ EnterFrame(StackFrame::INTERNAL);
     __ CallRuntime(Runtime::kThrowNotDateError);
   }
 }
 
+// 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) {
   // ----------- S t a t e -------------
   //  -- eax     : argc
   //  -- esp[0]  : return address
   //  -- esp[4]  : argArray
   //  -- esp[8]  : thisArg
   //  -- esp[12] : receiver
   // -----------------------------------
@@ skipping 168 matching lines @@
   __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
 
   // 3b. The target is not callable, throw an appropriate TypeError.
   __ bind(&target_not_callable);
   {
     __ mov(Operand(esp, kPointerSize), edi);
     __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
   }
 }
 
-
 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax     : argc
   //  -- esp[0]  : return address
   //  -- esp[4]  : new.target (optional)
   //  -- esp[8]  : argumentsList
   //  -- esp[12] : target
   //  -- esp[16] : receiver
   // -----------------------------------
 
@@ skipping 1456 matching lines @@
   // And "return" to the OSR entry point of the function.
   __ ret(0);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87