https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114027
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |needs-bisection Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Target Milestone|--- |14.0 Summary|[14] RISC-V vector: |[14 Regression] RISC-V |miscompile at -O3 |vector: miscompile at -O3 Component|target |tree-optimization --- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Ok, now I am able to reproduce the failure: `-O3 -fno-vect-cost-model -msse4.2` is the exact command line needed. For some reason enabling AVX512 causes the loop not to be vectorize ...