[turbofan] Introduce Float64Pow and NumberPow operators.

test/cctest/interpreter/test-interpreter-intrinsics.cc

 // Copyright 2015 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.
 
 #include "src/v8.h"
 
 #include "src/interpreter/interpreter-intrinsics.h"
 #include "test/cctest/interpreter/interpreter-tester.h"
 
 namespace v8 {
@@ skipping 208 matching lines @@
   InvokeIntrinsicHelper to_number_helper(isolate, handles.main_zone(),
                                          Runtime::kInlineToNumber);
   CHECK_EQ(Smi::FromInt(46),
            *to_number_helper.Invoke(to_number_helper.NewObject("'46'")));
 
   InvokeIntrinsicHelper to_integer_helper(isolate, handles.main_zone(),
                                           Runtime::kInlineToInteger);
   CHECK_EQ(Smi::FromInt(502),
            *to_integer_helper.Invoke(to_integer_helper.NewObject("502.67")));
 
-  InvokeIntrinsicHelper math_pow_helper(isolate, handles.main_zone(),
-                                        Runtime::kInlineMathPow);
-  CHECK(math_pow_helper
-            .Invoke(math_pow_helper.NewObject("3"),
-                    math_pow_helper.NewObject("7"))
-            ->SameValue(Smi::FromInt(2187)));
-
   InvokeIntrinsicHelper has_property_helper(isolate, handles.main_zone(),
                                             Runtime::kInlineHasProperty);
   CHECK_EQ(*factory->true_value(),
            *has_property_helper.Invoke(
                has_property_helper.NewObject("'x'"),
                has_property_helper.NewObject("({ x: 20 })")));
   CHECK_EQ(*factory->false_value(),
            *has_property_helper.Invoke(
                has_property_helper.NewObject("'y'"),
                has_property_helper.NewObject("({ x: 20 })")));
@@ skipping 24 matching lines @@
 
   CHECK(helper.Invoke(helper.NewObject("'foobar'"))
             ->SameValue(*helper.NewObject("'foobar'")));
   CHECK(helper.Invoke(helper.NewObject("new Object('foobar')"))
             ->SameValue(*helper.NewObject("'foobar'")));
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8