e->locs = 0;
e->next_containing_mem = 0;
+ scalar_int_mode int_mode;
+ if (REG_P (x) && is_int_mode (mode, &int_mode)
+ && REG_VALUES (REGNO (x)) != NULL
+ && (!cselib_current_insn || !DEBUG_INSN_P (cselib_current_insn)))
+ {
+ rtx copy = shallow_copy_rtx (x);
+ scalar_int_mode narrow_mode_iter;
+ FOR_EACH_MODE_UNTIL (narrow_mode_iter, int_mode)
+ {
+ PUT_MODE_RAW (copy, narrow_mode_iter);
+ cselib_val *v = cselib_lookup (copy, narrow_mode_iter, 0, VOIDmode);
+ if (v)
+ {
+ rtx sub = lowpart_subreg (narrow_mode_iter, e->val_rtx, int_mode);
+ if (sub)
+ new_elt_loc_list (v, sub);
+ }
+ }
+ }
+
if (dump_file && (dump_flags & TDF_CSELIB))
{
fprintf (dump_file, "cselib value %u:%u ", e->uid, hash);