[r27968]

a normalisation which shrinks values on the right shift operand because of modulo_shift behaviour. As a nice side-effect this simplifies the Rotl matcher

[r27954]

[r27953]

[r27946]

backend is responsible for defining what lowering operations need to be performed => so the logical thing is to use a backend callback for performing lowerings

[r27938]

make if-conversion and archdep optimisations get their information directly from the backend without frontends needing special code to transfer these infos

[r27937]

[r27936]

[r27924]

[r27875]

[r27865]

[r27836]

[r27828]

beflags: transform modifies_flags property into a callback, use default rematerialisation callback in backends where necessary

[r27821]

[r27813]

[r27754]

[r27753]

[r27749]

[r27746]

change backend node specification to use whole words instead of cryptical 1-char abreviations for flags

[r27745]

[r27741]

[r27740]

refactoring: set_frame_entity is a special callbacks for users of the advanced spillslot coalescing interface and not a generic bearch callback thingy anymore

[r27736]

[r27732]

[r27725]

[r27713]

change betranshelp semantic to panic instead of duplicating node in case of missing transformer. Add generic API for setting transformers

[r27712]

[r27700]

[r27695]

[r27693]

[r27691]

[r27690]

[r27663]

[r27659]

[r27653]

remove the (mis-)feature of arch_get_irn_reg_req_out working on mode_T nodes and retruning no_reqs in this case

[r27648]

[r27548]

[r27517]

[r27516]

[r27491]

[r27486]