
"0xf << 28" shifts right into the sign bit, since 0xf is a signed integer. Use the 'U' suffix to force an unsigned shift to avoid this undefined behaviour and a clang sanitizer warning. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>