Christian Bruel <christian.bruel@xxxxxx> writes: > (unspec_volatile [ > (const_int 0 [0x0]) > ] 0) 287 {blockage} (nil)) > Can I assume than the unspec_volatile should prevent that ? Quickly > fixing the problem with the illustrative attached patch solves it. Interesting question. Please bring this over to the gcc@xxxxxxxxxxx list. Thanks. Ian