[llvm] [RISCV] Fix lowering of negative zero with Zdinx 32-bit (PR #71869)
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 14 09:01:00 PST 2023
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
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