1// Copyright 2013 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/arguments.h"
6
7namespace v8 {
8namespace internal {
9
10double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
11 // TODO(ulan): This clobbers only subset of registers depending on compiler,
12 // Rewrite this in assembly to really clobber all registers.
13 // GCC for ia32 uses the FPU and does not touch XMM registers.
14 return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
15}
16
17} // namespace internal
18} // namespace v8
19