It can be optimised out by the compiler otherwise resulting
in obscure errors like a board not booting.
This has been documented in README since 2006 when these were
first fixed up for GCC 4.x.
Signed-off-by: John Rigby <email@example.com>
Fix some additional places.
Signed-off-by: Wolfgang Denk <firstname.lastname@example.org>
Acked-By: Albert ARIBAUD <email@example.com>