| // Copyright 2013 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/execution/arguments.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) { |
| // TODO(ulan): This clobbers only subset of registers depending on compiler, |
| // Rewrite this in assembly to really clobber all registers. |
| // GCC for ia32 uses the FPU and does not touch XMM registers. |
| return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
