> -----Original Message----- > From: Robin Dapp <rdapp....@gmail.com> > Sent: Thursday, September 11, 2025 3:03 PM > To: Tamar Christina <tamar.christ...@arm.com>; Robin Dapp > <rdapp....@gmail.com>; Richard Biener <rguent...@suse.de> > Cc: gcc-patches@gcc.gnu.org; rdsandif...@googlemail.com; Robin Dapp > <rdapp....@gmail.com> > Subject: Re: New optabs and IFN required for early break [bikeshed] > > > Ah great! Does it just take a mask? could you point me to some docs? > > You mean just a mask and not a length? No, (almost) all our insns are > length-masked. Specs are here: > > https://github.com/riscvarchive/riscv-v-spec/blob/master/v-spec.adoc#165- > vector-compress-instruction >
Thanks! Very useful, the example cleared up a confusion for me. So I'll need a _len version of these as well. Tamar > -- > Regards > Robin