Should f16 vrgather/vcompress be supported for f16 with Zvfhmin? bf16 with Zvfbfmin?

riscv-non-isa / rvv-intrinsic-doc

https://jira.riscv.org/browse/RVG-153

BSD 3-Clause "New" or "Revised" License

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Should f16 vrgather/vcompress be supported for f16 with Zvfhmin? bf16 with Zvfbfmin? #350

Closed topperc closed 1 month ago

topperc commented 1 month ago

clang supports f16 vrgather/vcompress with Zvfh, but the required instruction are part of the base vector spec. It could work with Zvfhmin like load/store.

clang doesn't support bf16 vrgather at all.

CC: @kito-cheng @rofirrim

rofirrim commented 1 month ago

Agreed.