aswaterman
commented
1 month ago The non-normative note you mention was clarified last year to delete "moves": https://github.com/riscv/riscv-v-spec/pull/872/files
The normative text says that vmv1r does depend on SEW, and hence depends on vtype, so implicitly must depend on vtype.vill. And of course normative text takes precedence over non-normative text, hence changing the non-normative text in the PR I linked to.
"vmv1r_v.h" will call "require_vector", which will check the "vill" bit. However, the spec says, "vset{i}vl{i} and whole-register loads, stores, and moves do not depend upon vtype." I think "vmv1r.v" is also a whole-register move instruction, so I don't think it should check the "vill" bit. so do vmv[248]r.v instructions.