| // 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/arguments.h" | |
| #include "src/objects-inl.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 |