[Interpreter] TurboFan implementation of intrinsics.

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index 4a1602a1d6ea6c3749cc74b30111c53a4cd1e730..55160183e7713b39f87596f3cf9d3669ab1a1911 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -1135,6 +1135,13 @@ BytecodeArrayBuilder& BytecodeArrayBuilder::CallRuntime(
     DCHECK_EQ(0u, arg_count);
     first_arg = Register(0);
   }
+  if (function_id == Runtime::kInlineIsJSReceiver ||
+      function_id == Runtime::kInlineIsArray) {
+    // Arg is in the accumulator

[oth, 2016/02/01 09:52:33]

Comment seems distracting. Neither the interpreter or compiler implementations
look at the accumulator.

[epertoso, 2016/03/03 11:20:39]

Removed.

+    Output(Bytecode::kIntrinsicOneArg, static_cast<uint16_t>(function_id),
+           first_arg.ToRawOperand());
+    return *this;
+  }
   if (FitsInReg8Operand(first_arg) && FitsInIdx8Operand(arg_count)) {
     Output(Bytecode::kCallRuntime, static_cast<uint16_t>(function_id),
            first_arg.ToRawOperand(), static_cast<uint8_t>(arg_count));