[clang] [lld] [llvm] [clang][MIPS] Add support for mipsel-windows-* targets (PR #107744)

[Eli Friedman via llvm-commits]

=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>,
=?utf-8?q?Hervé?= Poussineau <hpoussin at reactos.org>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/107744 at github.com>


efriedma-quic wrote:

In terms of maintenance, I'm not too concerned about the bits outside the MIPS backend; the constants and stuff are mostly boilerplate that doesn't require any particular Mips-specific expertise to understand.

For the Mips backend itself, I would ask the Mips backend code maintainer... but we don't have a maintainer for Mips.  And we don't have any buildbots.  I'm really not sure about adding complexity to a backend which is already suffering from a lack of anyone that has any experience with it.  (People familiar with other backends can sort of step in to review changes to Mips, but it's hard to do a good review for anything non-trivial.)

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Is there any documentation for calling conventions/exception-handling/etc. for Mips?  Do we need to distinguish Windows NT Mips from Windows CE Mips?

https://github.com/llvm/llvm-project/pull/107744