fix?? some pieces of win ABI
get closer to implementing win64 fastcall
clarify which unreachable was reached
make test infrastructure msvc compatible
make config.h via msbuild
god is dead and windows has killed him
make things build on windows
fold: zero-initialize padding bits of constants
Otherwise, if a constant is stored as a float and retrieved as an
int, the padding bits are uninitialized. This can result in the
generation of invalid assembly:
Error: suffix or operands invalid for `cvtsi2ss'
Reported by Hiltjo Posthuma.