https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127100
--- Comment #10 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #7) > Created attachment 65432 [details] > gcc17-pr127100.patch > > This is what I came up with. It doesn't help that I think only s390 ever > has non-zero bias and only on len_load/len_store, while most of the other > named patterns are riscv only and always 0 bias, for which + vs. - doesn't > really matter. > The patch doesn't include the testcase, unsure what to do about that. > On one side, it is already tested whenever one configures s390x gcc with > --with-arch=z13 or --with-arch=z14 (or perhaps higher). If we wanted to > test it even in other configurations, there is currently no > gfortran.target/s390 and using s390_useable_hw outside of s390 specific > directories (e.g. in gfortran.dg) is not possible because the tcl function > is only defined in s390.exp. Regarding vll there are no real changes or new/similar instructions in newer architectures. Therefore, I think it would be fine to fix the test to -march=z13 for a dg-compile test. If you think it would be worthwhile to have gfortran.target/s390 I'm fine with coming up with one. > Plus, I can test this in 16 branch in Fedora build system, but it takes > there ~ 2 days, or I can test on cfarm192 which could be somewhat faster, > but still I think Stefan has faster boxes around. I already started a bootstrap+regtest for z13,z14,z17 and will report back once they finished. Btw. feel free to throw any patches over the fence, I'm happy if I can help out here and there.
