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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.arch
Subject: Re: is Vax addressing sane today
Date: Mon, 30 Sep 2024 03:36:26 -0700
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Michael S <already5chosen@yahoo.com> writes:

> On Sun, 29 Sep 2024 19:30:08 -0000 (UTC)
> Thomas Koenig <tkoenig@netcologne.de> wrote:
>
>> Tim Rentsch <tr.17687@z991.linuxsc.com> schrieb:
>>
>>> Thomas Koenig <tkoenig@netcologne.de> writes:
>>>
>>>> Tim Rentsch <tr.17687@z991.linuxsc.com> schrieb:
>>>
>>> [...]
>>>
>>>>> I am currently in the position of needing to take some code
>>>>> written for Linux/Unix and get it running in MS Windows.
>>>>>
>>>>> My attempts to use MSVC have been frustrating, because of some
>>>>> limitations of that environment.  The two most prominent are
>>>>> these:  long double is only 64 bits, and there are no integer
>>>>> types of 128 bits that I could find.
>>>>
>>>> Depending on what you need to to, you can give MinGW-w64 a try.
>>>> It works either as a cross-compiler from Linux or on Windows using
>>>> msys2 or Cygwin.
>>>
>>> Thank you for these suggestions.  I have started to explore
>>> mingw but not yet the others.  Is there a difference between
>>> mingw and mingw-w64, do you know?
>>
>> One is a fork of the other, I believe.
>>
>>> Also do you know if mingw
>>> is compatible with MSVC, as long as long double is not used?
>>
>> I believe that Mingw-w64 uses the Windows ABI, but that is a
>> belief, not something I know first-hand;  I haven't looked
>> at the assembly.
>
> mingw64 tools are mostly compatible with Windows x64 ABI, but long
> double is an exception.

That was my impression but it's nice to have it confirmed.

My thanks again to both you and Thomas.