0602f420e4
The std::abs() function did not get a version that works on 'long long' until C++11. Avoid it, so that we can compile on 32-bit platforms (where int64_t is 'long long') with older compilers (which don't support C++11). Reported-by: Franz-Josef Haider <Franz-Josef.Haider@student.uibk.ac.at> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453739429-31477-1-git-send-email-peter.maydell@linaro.org