[wasm] Use the new Float64Pow TF operator to implement F64Pow.

src/external-reference-table.cc

 // Copyright 2016 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/external-reference-table.h"
 
 #include "src/accessors.h"
 #include "src/assembler.h"
 #include "src/counters.h"
 #include "src/deoptimizer.h"
@@ skipping 152 matching lines @@
   Add(ExternalReference::wasm_word64_ctz(isolate).address(),
       "wasm::word64_ctz");
   Add(ExternalReference::wasm_word32_popcnt(isolate).address(),
       "wasm::word32_popcnt");
   Add(ExternalReference::wasm_word64_popcnt(isolate).address(),
       "wasm::word64_popcnt");
   Add(ExternalReference::f64_acos_wrapper_function(isolate).address(),
       "f64_acos_wrapper");
   Add(ExternalReference::f64_asin_wrapper_function(isolate).address(),
       "f64_asin_wrapper");
-  Add(ExternalReference::f64_pow_wrapper_function(isolate).address(),
-      "f64_pow_wrapper");
   Add(ExternalReference::f64_mod_wrapper_function(isolate).address(),
       "f64_mod_wrapper");
   Add(ExternalReference::log_enter_external_function(isolate).address(),
       "Logger::EnterExternal");
   Add(ExternalReference::log_leave_external_function(isolate).address(),
       "Logger::LeaveExternal");
   Add(ExternalReference::address_of_minus_one_half().address(),
       "double_constants.minus_one_half");
   Add(ExternalReference::stress_deopt_count(isolate).address(),
       "Isolate::stress_deopt_count_address()");
@@ skipping 197 matching lines @@
   if (api_external_references != nullptr) {
     while (*api_external_references != 0) {
       Add(reinterpret_cast<Address>(*api_external_references), "<embedder>");
       api_external_references++;
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8