[r26317]

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

[r26236]

	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]

[r22889]

[r22754]

[r22740]

[r22699]

[r22697]

[r22269]

[r21148]

rename set_using_visited to set_using_irn_visited, some cosmetics, remove obsolete irflag functions from public headers

[r17400]

[r17143]

[r16106]

[r16054]

[r16016]

[r16015]

[r14820]

- All float operations depend on fpu mode now
- Fix bestate switcher
- Add and fix fehler22 (unknown phi operands in x87 simulator)

[r14749]

[r14693]

[r14643]

[r14635]

  - The liveness in the birg stays always the same
  - Invalidation is done with be_liveness_invalidate()
  - Each algo has to specify if it needs only liveness checks
      be_liveness_assure_chk()
    or the complete liveness sets for use with be_lv_foreach, etc.
      be_liveness_assure_sets()

* Adapted all the files to these changes
* made bessadestr.c liveness updating

[r14506]

unified .h #ifndef ... #define ...
changed some indenting
removed some unused code
removed beuses_t.h as unused header

[r13559]

[r13508]

- Started working on flags

[r12716]

  switching in x87
- Only emit externally allocated symbols that are actually used

[r12625]

- more work on state registers for x87 fpu rounding modes