diff options
Diffstat (limited to 'lib/hipe/arm/hipe_arm_ra_finalise.erl')
| -rw-r--r-- | lib/hipe/arm/hipe_arm_ra_finalise.erl | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/lib/hipe/arm/hipe_arm_ra_finalise.erl b/lib/hipe/arm/hipe_arm_ra_finalise.erl index 4faeadcd7f..80cd470708 100644 --- a/lib/hipe/arm/hipe_arm_ra_finalise.erl +++ b/lib/hipe/arm/hipe_arm_ra_finalise.erl @@ -1,9 +1,5 @@ %% -*- erlang-indent-level: 2 -*- %% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2005-2016. All Rights Reserved. -%% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. %% You may obtain a copy of the License at @@ -15,27 +11,31 @@ %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. -%% -%% %CopyrightEnd% -%% -module(hipe_arm_ra_finalise). -export([finalise/3]). -include("hipe_arm.hrl"). -finalise(Defun, TempMap, _FPMap0=[]) -> - Code = hipe_arm:defun_code(Defun), - {_, SpillLimit} = hipe_arm:defun_var_range(Defun), +finalise(CFG, TempMap, _FPMap0=[]) -> + {_, SpillLimit} = hipe_gensym:var_range(arm), Map = mk_ra_map(TempMap, SpillLimit), - NewCode = ra_code(Code, Map, []), - Defun#defun{code=NewCode}. + hipe_arm_cfg:map_bbs(fun(_Lbl, BB) -> ra_bb(BB, Map) end, CFG). + +ra_bb(BB, Map) -> + hipe_bb:code_update(BB, ra_code(hipe_bb:code(BB), Map, [])). ra_code([I|Insns], Map, Accum) -> - ra_code(Insns, Map, [ra_insn(I, Map) | Accum]); + ra_code(Insns, Map, ra_insn(I, Map, Accum)); ra_code([], _Map, Accum) -> lists:reverse(Accum). -ra_insn(I, Map) -> +ra_insn(I, Map, Accum) -> + case I of + #pseudo_move{} -> ra_pseudo_move(I, Map, Accum); + _ -> [ra_insn_1(I, Map) | Accum] + end. + +ra_insn_1(I, Map) -> case I of #alu{} -> ra_alu(I, Map); #cmp{} -> ra_cmp(I, Map); @@ -44,7 +44,7 @@ ra_insn(I, Map) -> #move{} -> ra_move(I, Map); #pseudo_call{} -> ra_pseudo_call(I, Map); #pseudo_li{} -> ra_pseudo_li(I, Map); - #pseudo_move{} -> ra_pseudo_move(I, Map); + #pseudo_spill_move{} -> ra_pseudo_spill_move(I, Map); #pseudo_switch{} -> ra_pseudo_switch(I, Map); #pseudo_tailcall{} -> ra_pseudo_tailcall(I, Map); #smull{} -> ra_smull(I, Map); @@ -86,10 +86,19 @@ ra_pseudo_li(I=#pseudo_li{dst=Dst}, Map) -> NewDst = ra_temp(Dst, Map), I#pseudo_li{dst=NewDst}. -ra_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, Map) -> +ra_pseudo_move(I=#pseudo_move{dst=Dst,src=Src}, Map, Accum) -> + NewDst = ra_temp(Dst, Map), + NewSrc = ra_temp(Src, Map), + case NewSrc#arm_temp.reg =:= NewDst#arm_temp.reg of + true -> Accum; + false -> [I#pseudo_move{dst=NewDst,src=NewSrc} | Accum] + end. + +ra_pseudo_spill_move(I=#pseudo_spill_move{dst=Dst,temp=Temp,src=Src}, Map) -> NewDst = ra_temp(Dst, Map), + NewTemp = ra_temp(Temp, Map), NewSrc = ra_temp(Src, Map), - I#pseudo_move{dst=NewDst,src=NewSrc}. + I#pseudo_spill_move{dst=NewDst, temp=NewTemp, src=NewSrc}. ra_pseudo_switch(I=#pseudo_switch{jtab=JTab,index=Index}, Map) -> NewJTab = ra_temp(JTab, Map), |