cleanup, use C99
remove outdated comment
remove unused set_primitve_mode()

You can simply use set_type_mode() instead.
irverify: do not check for memory chains in backend
irverify: remove exceptions crafted for beabi which is gone now
every backend has prepare_graph/before_ra/emit
irmode: record bit size for non-arithmetic data modes
irmode: cleanup, remove out of place comment
irverify: correct some verify mode description strings
irmode.h: cleanup, clarify mode_b, data_mode description
irverify: improve Bitcast verification
ia32: fix 16bit rol using wrong register sizes
ia32: fix several mode/regclass mismatches
ia32: fix wrong mode for XorHighLow node
amd64: cleanup, eliminate wrong mode_F usage
amd64: no need for custom ret emitter
Revert "beschednormal: schedule IncSP as late as possible to enable more ia32 Push/Pop peepholes"

This hack had many unwanted effects where nodes following the IncSP were
unnecessary delayed for a long time. We should rather improve the ia32
Push/Pop peephole optimizations.
amd64: rename nodes to the instructions they produce