On Fri, Nov 7, 2025 at 7:41 PM Robin Dapp <[email protected]> wrote: > > Hi, > > vect_gather_scatter_fn_p currently ICEs if offset_vectype is NULL. This is an > oversight in the patches that relax the gather/scatter detection. Catch this. > > Bootstrapped and regtested on x86 and power10. Regtested on aarch64 and > riscv64.
OK. > Regards > Robin > > gcc/ChangeLog: > > * tree-vect-data-refs.cc (vect_gather_scatter_fn_p): Bail if > offset_vectype is NULL. > --- > gcc/tree-vect-data-refs.cc | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc > index 9c87cc1de6d..b880a6f0566 100644 > --- a/gcc/tree-vect-data-refs.cc > +++ b/gcc/tree-vect-data-refs.cc > @@ -4631,6 +4631,10 @@ vect_gather_scatter_fn_p (vec_info *vinfo, bool > read_p, bool masked_p, > tree offset_vectype = VECTOR_TYPE_P (offset_type) > ? offset_type : get_vectype_for_scalar_type (vinfo, offset_type); > > + /* If there is no related vectype, bail. */ > + if (!offset_vectype) > + return false; > + > offset_type = TREE_TYPE (offset_vectype); > > /* Get all supported configurations for this data vector type. */ > -- > 2.51.0 >
