Bulat Ziganshin wrote:
Hello Simon,
Thursday, December 20, 2007, 4:01:59 PM, you wrote:
Fixing it all properly means some fairly significant architectural changes,
and dropping the via-C backend
oh, thank you. from my POV, C backend still may be used together with
"non-registerized" compilers. in particular, i hope that win-x64 will
be supported at least in this way
noone asked my question about plans of win-x64 support. it's important
for my users, so i ask you again - can you please implement it?
to other GHC users: i'm pretty sure that win-x64 support will not be
implemented if it's required only for me. so, if someone need it -
please write about this to ghc debelopers
It'll get implemented when (a) there is a working mingw64, and (b) it is
important enough to enough people. As I understand it, (a) is getting
closer, but there's still no official release.
My guess is that it's a couple of weeks' work. Win64 is quite different
from the x86-64 Unix ABI: the calling convention is different, which means
that all the FFI stuff has to be ported (the NCG foreign call support, GHCi
foreign calls, rts/Adjustor.c). It took me a few days to get these working
for x86-64 on Unix.
What's more, while x86-64 on Unix is nicer in many ways than the 32-bit
ABI, Win64 is significantly more horrible than Win32 (just MHO based on
memories of reading a couple of MSDN articles), so I don't expect it to be
a very enjoyable couple of weeks work :)
Cheers,
Simon
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