[PATCH] D75169: [ARM] Supporting lowering of half-precision FP arguments and returns in AArch32's backend

[Lucas Prates via Phabricator via cfe-commits]

pratlucas added a comment.

Hi @efriedma,

>From @SjoerdMeijer's comment and the links he pointed to, it seems to me that making `f16` types legal for all ARM subtargets would be a major undertaking and far from trivial to implement. It's also not clear to me how significant would be the returns of this effort.
My feeling is that we could proceed with the current approach and discuss the possbility of making `f16` legal in a separate follow up effort, as mentioned by @dnsampaio.

What's your view on this?


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https://reviews.llvm.org/D75169