Line data    Source code

       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             : 
       7             : namespace v8 {
       8             : namespace internal {
       9             : 
      10           0 : double 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           0 :   return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
      15             : }
      16             : 
      17             : }  // namespace internal
      18      121996 : }  // namespace v8