In http://gcc.gnu.org/ml/gcc/2007-03/msg00128.html, you wrote: > One case is about multiple increments, the tree optimizer merges them and > increments the register only once, so if one only looks at the size of the > pointer value one misses them, e.g. something like this: > > (set (mem (reg)) (x)) > (set (mem (plus (reg) (const_int 4))) (x)) > (set (reg) (plus (reg) (const_int 8))
The patches attached to PR20211 handle this case.
