[r28458]

[r28127]

[r28073]

[r28043]

[r28037]

[r28030]

[r27995]

[r27994]

[r27907]

[r27906]

[r27875]

[r27762]

[r27749]

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]

[r27723]

[r27696]

[r27693]

[r27653]

[r27548]

[r27277]

- remove a bunch of code which unexpectedly dependent on current_ir_graph being
  set to something
- fix unnecessary double creation of backedge arrays in some cases

[r27265]

- cleanup ir_spec generation a bit

[r27251]

[r27153]

[r27145]

[r26720]

[r26645]

- Introduced be_Start which is now used instead of iro_Start+be_RegParams
- further cleanups and fixes along the way

[r26549]

[r26548]

- Add a generic requirements+register+flag dumper to bearch; This avoids all
  backends/benode having their own slightly different dumpers
- Lots of cleanups in the backends along the way

[r26542]

	* benodes store the out register requirements in backend_info now
	  (this is work towards killing the register_requirement callbacks)
	* ir_graph has a pointer to beirg now
	* Other cleanups

[r26540]

[r26535]

[r26468]

Create clean register requirements for Phis, otherwise reg_reqs_equal() and maybe others could get confused. It is unknown whether this caused any problems.

[r26467]

- make phi nodes use backend_info instead of phi_handler hashmaps

[r26332]

  (We have a separate get_input, and get_output callback for now).
  This should make the code faster for now and is a first step towards
  changing the interface to query register constraints on the mode_T node
  itself instead of the Proj nodes.
- Handle middleend node constraints and stuff in benode.c instead of in each
  backend
- Remove irn_class_branch we already had is_cfop in the middleend
- Fix a bunch of bugs/problems in the process

[r26320]

[r26317]

- SymConst's are now ALWAYS placed in the start block

[r26236]