The only reason this even existed was that ZDoom's original VC projects used __fastcall. The CMake generated project do not, they stick to __cdecl.
Since no performance gain can be seen by using __fastcall the best course of action is to just remove all traces of it from the source and forget that it ever existed.
speedup.
- Replaced the Shanno-Fano/Huffman reading routines from FZipExploder with
ones of my own devising, based solely on the specs in the APPNOTE.
SVN r1590 (trunk)