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[r28346]

[r28345]

[r28344]

[r28342]

[r28340]

[r28337]

[r28332]

[r28331]

[r28330]

Additionally
- switched the type of a visitor counter to ir_visited_t
- add some doxygen docu

[r28328]

Additionally:
- rename some variables to reflect its content
- add some doxygen comments

[r28327]

[r28282]

[r28276]

[r28272]

[r28268]

[r28266]

[r28254]

[r28249]

[r28248]

[r28247]

[r28228]

[r28227]

[r28221]

[r28214]

[r28208]

[r28204]

[r28203]

[r28202]

Note that this is an ugly change because ALL index variables used inside
bitset_foreach() MUST be switched to size_t now, or the magical

elm != (size_t) -1;

will fail :-(

[r28199]

[r28196]

[r28194]

Only makes it hard to search for arch_register_type_* flags.

[r28185]

[r28184]

[r28183]

- split out cmov and popcnt feature, can be detected by cpuid
- use feature flags even if not intel or amd cpu
- p6 instructions cannot be detected by feature bit, set them on
  architecture detection
- detect old Geode

[r28182]

[r28181]

[r28180]

Allowed native 32bit code generation when running on 64bit x86.
Removed ebx save, gcc should handle this.
Enable native detection on windows again.

[r28179]

[r28177]

[r28172]