src/codegen.h

// Copyright 2012 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.

#ifndef V8_CODEGEN_H_
#define V8_CODEGEN_H_

#include "src/code-stubs.h"
#include "src/globals.h"

#if V8_TARGET_ARCH_X64
#include "src/x64/codegen-x64.h"  // NOLINT
#endif

namespace v8 {
namespace internal {

class CompilationInfo;

class CodeGenerator {
 public:
  // Print the code after compiling it.
  static void PrintCode(Handle<Code> code, CompilationInfo* info);

 private:
  DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
};

// Results of the library implementation of transcendental functions may differ
// from the one we use in our generated code.  Therefore we use the same
// generated code both in runtime and compiled code.
typedef double (*UnaryMathFunctionWithIsolate)(double x, Isolate* isolate);

UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate* isolate);

V8_EXPORT_PRIVATE double modulo(double x, double y);

// Custom implementation of math functions.
double fast_sqrt(double input, Isolate* isolate);
void lazily_initialize_fast_sqrt(Isolate* isolate);

}  // namespace internal
}  // namespace v8

#endif  // V8_CODEGEN_H_