https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #5 from Fabio Cannizzo <fabio at cannizzo dot net> --- > Well, there is nothing magic on exactly 0x55 immediate, there are 256 > possible immediates, most of them use all of A, B, C, some of them use just > A, B, others just B, C, others just A, C, others just A, others just B, > others just C, others none of them. Indeed I meant 0x55 just as an example.