"Favor readability over bare-metal."

LOL

http://git.2f30.org/sbase/commit/?id=bd6f8304fdf98433027e2bced868711270614696

>>11,12
; eax = postnum
push 10
pop ecx
cdq
idiv ecx
push edx
idiv ecx
pop eax
cmp eax, edx
jnz notdubs
14 bytes. The best gcc could do was 18 bytes, with maximum size optimisation. How disappointing.

This is not even considering the stupid way it makes function calls and saves and restores registers that don't even need to be touched, otherwise it'd be even worse.