/* This call is used in place of a gen_rtx_INSN_LIST. If there is a cached
node available, we'll use it, otherwise a call to gen_rtx_INSN_LIST
is made. */
rtx
alloc_INSN_LIST (rtx val, rtx next)
{
rtx r;
if (unused_insn_list)
{
r = unused_insn_list;
unused_insn_list = XEXP (r, 1);
XEXP (r, 0) = val;
XEXP (r, 1) = next;
PUT_REG_NOTE_KIND (r, VOIDmode);
}
else
r = gen_rtx_INSN_LIST (VOIDmode, val, next);
return r;
}
/* This call is used in place of a gen_rtx_INSN_LIST. If there is a cached
node available, we'll use it, otherwise a call to gen_rtx_INSN_LIST
is made. */
rtx_insn_list *
alloc_INSN_LIST (rtx val, rtx next)
{
rtx_insn_list *r;
if (unused_insn_list)
{
r = as_a <rtx_insn_list *> (unused_insn_list);
unused_insn_list = r->next ();
XEXP (r, 0) = val;
XEXP (r, 1) = next;
PUT_REG_NOTE_KIND (r, VOIDmode);
gcc_assert (GET_CODE (r) == INSN_LIST);
}
else
r = gen_rtx_INSN_LIST (VOIDmode, val, next);
return r;
}