I was mistaken in that npeel is -1 for variable peeling - it is 0.
2021-09-30 Richard Biener <rguenther@suse.de>
* tree-vect-data-refs.c (vect_update_misalignment_for_peel):
Fix npeel check for variable amount of peeling.
tree vectype = STMT_VINFO_VECTYPE (dr_info->stmt);
if (DR_TARGET_ALIGNMENT (dr_info).is_constant (&alignment)
&& known_alignment_for_access_p (dr_info, vectype)
- && npeel != -1)
+ && npeel != 0)
{
int misal = dr_info->misalignment;
misal += npeel * TREE_INT_CST_LOW (DR_STEP (dr_info->dr));