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

src/compiler/wasm-compiler.cc

Index: src/compiler/wasm-compiler.cc
diff --git a/src/compiler/wasm-compiler.cc b/src/compiler/wasm-compiler.cc
index 0a13f98d8593f32e8990752d7d1a64451314ae6d..d546572d18d7340a10f5e6bd01b2e7cac97f2fac 100644
--- a/src/compiler/wasm-compiler.cc
+++ b/src/compiler/wasm-compiler.cc
@@ -604,7 +604,8 @@ Node* WasmGraphBuilder::Binop(wasm::WasmOpcode opcode, Node* left, Node* right,
     case wasm::kExprF64Max:
       return BuildF64Max(left, right);
     case wasm::kExprF64Pow:
-      return BuildF64Pow(left, right);
+      op = m->Float64Pow();
+      break;
     case wasm::kExprF64Atan2:
       op = m->Float64Atan2();
       break;
@@ -1352,13 +1353,6 @@ Node* WasmGraphBuilder::BuildF64Asin(Node* input) {
   return BuildCFuncInstruction(ref, type, input);
 }
 
-Node* WasmGraphBuilder::BuildF64Pow(Node* left, Node* right) {
-  MachineType type = MachineType::Float64();
-  ExternalReference ref =
-      ExternalReference::f64_pow_wrapper_function(jsgraph()->isolate());
-  return BuildCFuncInstruction(ref, type, left, right);
-}
-
 Node* WasmGraphBuilder::BuildF64Mod(Node* left, Node* right) {
   MachineType type = MachineType::Float64();
   ExternalReference ref =