Hi Guillem, On 5/27/21 8:50 PM, Guillem Jover wrote: > I discussed this today with Vineet on IRC in #debian-bootstrap, to try > to clarify some things, and this is the summary I think: > > * ARCv2 32-bit little-endian > > - The arch based on ARCv2 32-bit is going to be little-endian, and > ideally will be hard-float, but that's pending on a patch for gcc, > to flip the default from soft-float. From what I understand while > hard and soft-float are ABI compatible in the ISA and calling > convention sense, they are not ABI compatible in the object > linking sense, and while I guess this could also perhaps be lifted, > it's not currently the case. My concern is that adding the support > before the default has been switched might mean "ABI incompatible" > architectures if we cannot link objects. Vineet, mentioned that > they might be fine settling with soft-float in that case, even > with the performance penalty implied (in that case, personally I > think adding the -gnuhf triplet would be better, but I'd not be > going to be doing the work, so… :). The patch is supposed to be > sent upstream around next week or so. I'd prefer to wait what > ends up happening there, TBH, before committing the support to > dpkg. As I've mentioned I'm fine with committing it once it hits > upstream git though. > - The triplet would be «arc-linux-gnu», the Debian architecture > would be «arc».
FWIW gcc patch is now in mainline (I've requested Claudiu for backport) 2021-06-02 46d04271a498 ARC: gcc driver default to hs38_linux Thx, -Vineet
