don't pad to argument alignment if where_pad is downward.
From-SVN: r2614
|| ((TREE_INT_CST_LOW (sizetree) * BITS_PER_UNIT) % PARM_BOUNDARY)))
sizetree = round_up (sizetree, PARM_BOUNDARY / BITS_PER_UNIT);
SUB_PARM_SIZE (*offset_ptr, sizetree);
- pad_to_arg_alignment (offset_ptr, boundary);
+ if (where_pad != downward)
+ pad_to_arg_alignment (offset_ptr, boundary);
if (initial_offset_ptr->var)
{
arg_size_ptr->var = size_binop (MINUS_EXPR,