[llvm] [RISCV] Fix lowering of negative zero with Zdinx 32-bit (PR #71869)

[Craig Topper via llvm-commits]

topperc wrote:

> Glancing at the code post review, don't we have the same problem a couple of lines above for the FLI/ZFA codepath? Or is dinx and zfa an illegal combination in some way?

Zfa is defined to require F so it is not compatible with Zfinx/Zdinx. I think the thought was that several instructions in Zfa are redundant if you're using GPRs.



https://github.com/llvm/llvm-project/pull/71869