[PATCH] D122090: [PPCISelLowering] Avoid emitting calls to __multi3, __muloti4

[Aaron Puchert via Phabricator via llvm-commits]

aaronpuchert added a comment.

In D122090#3398182 <https://reviews.llvm.org/D122090#3398182>, @nickdesaulniers wrote:

> I think it would only be safe to assume `--rtlib=compiler-rt` if the compiler was driving a full link. Otherwise, the linker could be invoked manually against libgcc.

True, currently one might only pass `--rtlib=` for the link, but I think we could reasonably require it for compilation as well. (That is, forgetting it might work but would officially be unsupported.)

This is not something that I would drive anyway, I'm on Linux and I'll probably continue to use libgcc for now.


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