> Thank you for the feedback. > > Yes, this is the same altfmt that Lino is proposing. This patch is intended > as > a complementary piece to Lino's work — providing the infrastructure to > propagate > the altfmt attribute through to the vsetvl pass, while Lino's patch focuses > on > defining the altfmt attribute itself. > > Regarding real modes: unfortunately we cannot always distinguish the format > purely > from the mode, because there are cases where the mode is the same but the > format > differs. For the specific details, please refer to: > https://github.com/aswaterman/riscv-misc/blob/main/isa/ldot-bdot/ldot-bdot.adoc > > In those cases, the element mode alone does not carry enough information for > the > vsetvl pass to make the correct decision, so we still need the explicit > altfmt > operand to disambiguate.
Can you elaborate or give an example? -- Regards Robin
