Yeah, it's really long ago since this was touched

[r15062]

I kept the old for benchmarking. As soon as they are done, it will go away.

[r15061]

and some cosmetic changes

[r15060]

[r15059]

[r15057]

[r15055]

[r15053]

[r15050]

[r15045]

[r15044]

[r15043]

[r15042]

[r15041]

[r15040]

[r15039]

[r15038]

[r15037]

[r15036]

indentation changed

[r15035]

[r15034]

[r15033]

[r15032]

[r15031]

Be more liberal in what the IA32 backend allows for if-conversion, i.e. everything except selection of floating point and long long values.

[r15030]

[r15029]

[r15026]

moved the fixpoint iteration of the current node from optimize_graph() to transform_node(), a more logical place

[r15025]

[r15024]

[r15023]

use bipartite solver again, as it doesn't silently fail like the hungarian when fed with bad input data

[r15021]

fix fehler39, exchange left/right is no good idea after register allocation occured on cosntrained nodes

[r15020]

[r15019]

[r15018]

[r15017]

[r15016]

[r15015]

[r15014]

[r15013]

[r15012]

[r15010]