[PATCH] D44582: [Builtins] Fix calling long double math functions on x86_64 mingw
Martin Storsjö via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Mar 16 16:08:47 PDT 2018
mstorsjo added a comment.
In https://reviews.llvm.org/D44582#1040643, @efriedma wrote:
> The backend has code to generate SRet returns, which is used when TargetLowering::CanLowerReturn returns false. Probably a tiny change to X86CallingConv.td to use that codepath on Windows.
Thanks, I managed to make something that seems to work by tweaking that file, see https://reviews.llvm.org/D44592.
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