From 8e8380865bb31c119e7f11fbdbbb14ea58ebbef2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20L=C3=A5ng?= Date: Sun, 5 Nov 2017 16:12:42 +0100 Subject: HiPE: Unique ref receive opt --- lib/hipe/rtl/hipe_rtl_primops.erl | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'lib/hipe/rtl') diff --git a/lib/hipe/rtl/hipe_rtl_primops.erl b/lib/hipe/rtl/hipe_rtl_primops.erl index 850a75f71b..35ae2da895 100644 --- a/lib/hipe/rtl/hipe_rtl_primops.erl +++ b/lib/hipe/rtl/hipe_rtl_primops.erl @@ -291,6 +291,10 @@ gen_primop({Op,Dst,Args,Cont,Fail}, IsGuard, ConstTab) -> gen_select_msg(Dst, Cont); clear_timeout -> gen_clear_timeout(Dst, GotoCont); + recv_mark -> + gen_recv_mark(Dst, GotoCont); + recv_set -> + gen_recv_set(Dst, Cont); set_timeout -> %% BIF call: am_set_timeout -> nbif_set_timeout -> hipe_set_timeout [hipe_rtl:mk_call(Dst, set_timeout, Args, Cont, Fail, not_remote)]; @@ -1064,6 +1068,27 @@ gen_tuple_header(Ptr, Arity) -> %%% %%% Receives +%%% recv_mark is: +%%% p->msg.saved_last = p->msg.last; +gen_recv_mark([], GotoCont) -> + TmpLast = hipe_rtl:mk_new_reg(), + [load_p_field(TmpLast, ?P_MSG_LAST), + store_p_field(TmpLast, ?P_MSG_SAVED_LAST), + GotoCont]. + +%%% recv_set is: +%%% if (p->msg.saved_last) +%%% p->msg.save = p->msg.saved_last; +gen_recv_set([], Cont) -> + TmpSave = hipe_rtl:mk_new_reg(), + TrueLbl = hipe_rtl:mk_new_label(), + [load_p_field(TmpSave, ?P_MSG_SAVED_LAST), + hipe_rtl:mk_branch(TmpSave, ne, hipe_rtl:mk_imm(0), + hipe_rtl:label_name(TrueLbl), Cont), + TrueLbl, + store_p_field(TmpSave, ?P_MSG_SAVE), + hipe_rtl:mk_goto(Cont)]. + gen_check_get_msg(Dsts, GotoCont, Fail) -> gen_check_get_msg_outofline(Dsts, GotoCont, Fail). -- cgit v1.2.3