===================================================================
@@ -2382,18 +2382,26 @@ expand_parity (machine_mode mode, rtx op
last = get_last_insn ();
- if (target == 0)
- target = gen_reg_rtx (mode);
+ if (target == 0 || GET_MODE (target) != wider_mode)
+ target = gen_reg_rtx (wider_mode);
+
xop0 = widen_operand (op0, wider_mode, mode, true, false);
temp = expand_unop (wider_mode, popcount_optab, xop0, NULL_RTX,
true);
if (temp != 0)
temp = expand_binop (wider_mode, and_optab, temp, const1_rtx,
target, true, OPTAB_DIRECT);
- if (temp == 0)
- delete_insns_since (last);
- return temp;
+ if (temp)
+ {
+ if (mclass != MODE_INT
+ || !TRULY_NOOP_TRUNCATION_MODES_P (mode, wider_mode))
+ return convert_to_mode (mode, temp, 0);
+ else
+ return gen_lowpart (mode, temp);
+ }
+ else
+ delete_insns_since (last);
}
}
}