[PATCH] D151414: [RISCV] Add Zvfhmin extension support for llvm RISCV backend.
Michael Maitland via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 1 16:03:33 PDT 2023
michaelmaitland added a comment.
If I add RUN line with `zvfhmin` instead of `zvfh` `llvm/test/CodeGen/RISCV/rvv/vfwnmacc-vp.ll`, the compiler gives `LLVM ERROR: Cannot select: t31: nxv1f32 = RISCVISD::VFWNMADD_VL t2, t4, t6, t8, t13`, followed by trace. Probably need to check for zvfh in `performVFMADD_VLCombine`? Also maybe need to check in other functions like `performFADDSUB_VLCombine`?
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https://reviews.llvm.org/D151414/new/
https://reviews.llvm.org/D151414
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