One example is 0xff000000, we can get it by mov r1, 255 lsl r1, r1, 24
Gcc generates following code: ldr r1, .L2 ... .L2 .word -16777216 -- Summary: shift a small constant to get larger one Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: carrot at google dot com GCC build triplet: i686-linux GCC host triplet: i686-linux GCC target triplet: arm-eabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40482