Note that this is an ugly change because ALL index variables used inside
bitset_foreach() MUST be switched to size_t now, or the magical

elm != (size_t) -1;

will fail :-(

[r28199]

[r28194]

[r28127]

[r28073]

[r27987]

[r27924]

[r27694]

[r27692]

[r27690]

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

[r27648]

[r27647]

[r27300]

[r27293]

[r27291]

[r27277]

[r27153]

[r27145]

keep timer interface simple - no names and descriptions for timers anymore, you should do that bookkeeping externally

[r26821]

[r26791]

[r26535]

[r26498]

- use name copyopt instead of copycoal

[r26493]

[r26487]

[r26484]

[r26468]

[r26330]

[r26317]

cleanup backend: make pre_spill_prepare_constraint independent of chordal allocator structures (and rework it a bit in the process)

[r26304]

[r25941]

	Node flags and node registers are stored in a generic backend_info struct now
	instead of every part of the backend doing custom (and slow) stuff

[r23142]

[r22985]

[r22912]

[r22896]

[r22894]

[r22889]

Remove the unused parameter const copy_opt_t *co from co_is_optimizable_root() and make the function static.

[r22766]

[r22754]

[r22751]