[r26311]

[r26310]

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

[r26304]

[r26303]

[r26302]

[r26301]

[r26299]

[r26298]

[r26297]

[r26280]

[r26260]

[r26241]

[r26239]

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

[r26236]

[r26224]

[r26223]

[r26222]

[r26221]

rework python generators: we can make use of the classes/inheritance language features to nicely define our nodes

[r26220]

[r26190]

Bad nodes just like on Block nodes.
This simplifies get_irn_irg() and implements the idea the the irg can
be retrieved from "the block" of a node.

[r26188]

[r26181]

[r26180]

[r26179]

[r26164]

verify that Projs are in the same Block as their predecessors (and fix bugs in firm where this wasn't the case)

[r26163]

[r26162]

[r26157]

[r26153]

[r26152]

[r26093]

- typos fixed
- C99 features removed

[r26089]

[r26088]

[r26087]

[r26084]

[r26082]

[r26081]

[r26080]

[r26079]

[r26075]