From 522c00d0fb8157cfe19861f158c6e67e6b67c968 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20L=C3=A5ng?= Date: Wed, 30 Mar 2016 18:28:30 +0200 Subject: hipe_sparc: Be resilient to crappy RTL The SPARC backend crashes if certain RTL optimisations were omitted, preventing it from being usable at lower optimisation levels. --- lib/hipe/sparc/hipe_rtl_to_sparc.erl | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'lib/hipe') diff --git a/lib/hipe/sparc/hipe_rtl_to_sparc.erl b/lib/hipe/sparc/hipe_rtl_to_sparc.erl index eef5ba8d96..b1d56e6ab5 100644 --- a/lib/hipe/sparc/hipe_rtl_to_sparc.erl +++ b/lib/hipe/sparc/hipe_rtl_to_sparc.erl @@ -625,7 +625,7 @@ conv_return(I, Map, Data) -> {I2, Map0, Data}. conv_store(I, Map, Data) -> - {Base1, Map0} = conv_dst(hipe_rtl:store_base(I), Map), % no immediates allowed + {Base1, Map0} = conv_src(hipe_rtl:store_base(I), Map), {Src, Map1} = conv_src(hipe_rtl:store_src(I), Map0), {Base2, Map2} = conv_src(hipe_rtl:store_offset(I), Map1), StOp = conv_stop(hipe_rtl:store_size(I)), @@ -649,13 +649,27 @@ mk_store(StOp, Src, Base1, Base2) -> end. mk_store2(StOp, Src, Base1, Base2) -> - case hipe_sparc:is_temp(Base2) of + case hipe_sparc:is_temp(Base1) of true -> - mk_store_rr(StOp, Src, Base1, Base2); + case hipe_sparc:is_temp(Base2) of + true -> + mk_store_rr(StOp, Src, Base1, Base2); + _ -> + mk_store_ri(StOp, Src, Base1, Base2) + end; _ -> - mk_store_ri(StOp, Src, Base1, Base2) + case hipe_sparc:is_temp(Base2) of + true -> + mk_store_ri(StOp, Src, Base2, Base1); + _ -> + mk_store_ii(StOp, Src, Base1, Base2) + end end. +mk_store_ii(StOp, Src, Base, Disp) -> + Tmp = new_untagged_temp(), + mk_set(Base, Tmp, mk_store_ri(StOp, Src, Tmp, Disp)). + mk_store_ri(StOp, Src, Base, Disp) -> hipe_sparc:mk_store(StOp, Src, Base, Disp, 'new', []). -- cgit v1.2.3