[Bug 48160] cl.exe (visual studio 2017) fails to compile c++ due to error C2177: constant too big

WineHQ Bugzilla wine-bugs at winehq.org
Thu Dec 12 15:01:06 CST 2019


https://bugs.winehq.org/show_bug.cgi?id=48160

--- Comment #6 from Erich E. Hoover <erich.e.hoover at gmail.com> ---
(In reply to Alexandre Julliard from comment #5)
> We'll need to rewrite that function to not use long double, because the goal
> is to support building it with Mingw.

I can confirm that plopping a minimal version of this routine into one of the
tests (so that it compiles with mingw) also produces x87 instructions.  I don't
think that anything that I did in attachment 65950 would break in mingw (it
just adjusts the x87 FPU precision temporarily and then sets it back), but I'll
take a stab at figuring out how to do this operation without long double.

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