ae2923b5c2
Add a macro that creates a 64bit value which has length number of ones shifted across by the value of shift. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 9773244aa1c8c26b8b82cb261d8f5dd4b7b9fcf9.1467053537.git.alistair.francis@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>