https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125871
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> --- On Fri, 19 Jun 2026, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125871 > > --- Comment #4 from Tamar Christina <tnfchris at gcc dot gnu.org> --- > (In reply to H.J. Lu from comment #3) > > (In reply to Tamar Christina from comment #2) > > > (In reply to Richard Biener from comment #1) > > > > I'll note that > > > > > > > > /* { dg-additional-options "-mavx512f" { target { i?86-*-* x86_64-*-* } > > > > } } > > > > */ > > > > /* { dg-require-effective-target avx512f_runtime { target i?86-*-* > > > > x86_64-*-* } } */ > > > > > > > > is overly restrictive and should do > > > > > > > > /* { dg-additional-options "-mavx512f" { target avx512f_runtime } } */ > > > > > > > > And gate the dump scans on { target avx512f } > > > > > > > > I'll also note that we should really fixup check_vect () to gate AVX512 > > > > enabled features ... > > > > > > Yeah I don't really understand all the knobs so I copy things from other > > > tests. > > > > > > I build x86 with -march=native because this gives more vectorization. But > > > this makes it impossible to whether I need random flag to make things pass > > > when not. > > > > > > > It is independent of -march=native. Please try > > > > make check-gcc RUNTESTFLAGS="--target_board='unix{-m32,}' > > vect.exp=gcc.dg/vect/vect-early-break_144-pr125804.c" > > > > It fails with -m32. I think only on a host which has avx512f_runtime.
