- use better hash function
 - create a bigger array depending on the estimated node count

[r17499]

- collect_phiprojs() collects all partBlocks of an MacroBlock
- partBlock() now handles MacroBlocks better: the lower part of teh splittet block forms a new MacroBlock
- links should now be free even during construction ...

[r17498]

[r17492]

[r17489]

[r17488]

[r17487]

first code for yet another belady spiller (doesn't work with loops yet), removed obsolete linearscan code

[r17485]

[r17481]

[r17480]

[r17479]

[r17440]

[r17439]

[r17432]

[r17419]

[r17418]

[r17417]

[r17415]

[r17408]

[r17404]

[r17403]

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

[r17400]

[r17399]

[r17391]

[r17390]

[r17388]

[r17386]

[r17385]

[r17384]

[r17383]

[r17382]

[r17381]

[r17380]

[r17379]

[r17378]

[r17377]

[r17376]

[r17375]

[r17374]

[r17372]

[r17371]