temp = expand_expr (exp, inner_target, VOIDmode, 0);
- /* If TEMP is a volatile MEM and we want a result value, make
- the access now so it gets done only once. Likewise if
- it contains TARGET. */
- if (GET_CODE (temp) == MEM && want_value
- && (MEM_VOLATILE_P (temp)
- || reg_mentioned_p (SUBREG_REG (target), XEXP (temp, 0))))
+ /* If TEMP is a MEM and we want a result value, make the access
+ now so it gets done only once. Strictly speaking, this is
+ only necessary if the MEM is volatile, or if the address
+ overlaps TARGET. But not performing the load twice also
+ reduces the amount of rtl we generate and then have to CSE. */
+ if (GET_CODE (temp) == MEM && want_value)
temp = copy_to_reg (temp);
/* If TEMP is a VOIDmode constant, use convert_modes to make