Implement experimental exponentiation operator

src/compiler/js-generic-lowering.cc

 // Copyright 2014 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/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 48 matching lines @@
 REPLACE_BINARY_OP_IC_CALL(JSBitwiseXor, Token::BIT_XOR)
 REPLACE_BINARY_OP_IC_CALL(JSBitwiseAnd, Token::BIT_AND)
 REPLACE_BINARY_OP_IC_CALL(JSShiftLeft, Token::SHL)
 REPLACE_BINARY_OP_IC_CALL(JSShiftRight, Token::SAR)
 REPLACE_BINARY_OP_IC_CALL(JSShiftRightLogical, Token::SHR)
 REPLACE_BINARY_OP_IC_CALL(JSAdd, Token::ADD)
 REPLACE_BINARY_OP_IC_CALL(JSSubtract, Token::SUB)
 REPLACE_BINARY_OP_IC_CALL(JSMultiply, Token::MUL)
 REPLACE_BINARY_OP_IC_CALL(JSDivide, Token::DIV)
 REPLACE_BINARY_OP_IC_CALL(JSModulus, Token::MOD)
+REPLACE_BINARY_OP_IC_CALL(JSExponentiate, Token::EXP)
 #undef REPLACE_BINARY_OP_IC_CALL
 
 
 #define REPLACE_COMPARE_IC_CALL(op, token)        \
   void JSGenericLowering::Lower##op(Node* node) { \
     ReplaceWithCompareIC(node, token);            \
   }
 REPLACE_COMPARE_IC_CALL(JSEqual, Token::EQ)
 REPLACE_COMPARE_IC_CALL(JSNotEqual, Token::NE)
 REPLACE_COMPARE_IC_CALL(JSStrictEqual, Token::EQ_STRICT)
@@ skipping 395 matching lines @@
 
 
 void JSGenericLowering::LowerJSCallRuntime(Node* node) {
   const CallRuntimeParameters& p = CallRuntimeParametersOf(node->op());
   ReplaceWithRuntimeCall(node, p.id(), static_cast<int>(p.arity()));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8