diff options
Diffstat (limited to 'lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl')
-rw-r--r-- | lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl | 157 |
1 files changed, 56 insertions, 101 deletions
diff --git a/lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl b/lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl index b1f7bd7572..8a3ea92156 100644 --- a/lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl +++ b/lib/hipe/amd64/hipe_amd64_ra_sse2_postconditions.erl @@ -1,9 +1,5 @@ %% -*- erlang-indent-level: 2 -*- %% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2004-2016. 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 @@ -15,13 +11,10 @@ %% 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_amd64_ra_sse2_postconditions). --export([check_and_rewrite/2]). +-export([check_and_rewrite/2, check_and_rewrite/3]). -include("../x86/hipe_x86.hrl"). -define(HIPE_INSTRUMENT_COMPILER, true). @@ -29,40 +22,48 @@ -define(count_temp(T), ?cons_counter(counter_mfa_mem_temps, T)). -check_and_rewrite(AMD64Defun, Coloring) -> +check_and_rewrite(AMD64CFG, Coloring) -> + check_and_rewrite(AMD64CFG, Coloring, 'normal'). + +check_and_rewrite(AMD64CFG, Coloring, Strategy) -> %%io:format("Converting\n"), - TempMap = hipe_temp_map:cols2tuple(Coloring,hipe_amd64_specific_sse2), + TempMap = hipe_temp_map:cols2tuple(Coloring,hipe_amd64_specific_sse2,no_context), %%io:format("Rewriting\n"), - #defun{code=Code0} = AMD64Defun, - {Code1, DidSpill} = do_insns(Code0, TempMap, [], false), - {AMD64Defun#defun{code=Code1, var_range={0, hipe_gensym:get_var(x86)}}, - DidSpill}. - -do_insns([I|Insns], TempMap, Accum, DidSpill0) -> - {NewIs, DidSpill1} = do_insn(I, TempMap), - do_insns(Insns, TempMap, lists:reverse(NewIs, Accum), DidSpill0 or DidSpill1); -do_insns([], _TempMap, Accum, DidSpill) -> + do_bbs(hipe_x86_cfg:labels(AMD64CFG), TempMap, Strategy, AMD64CFG, false). + +do_bbs([], _, _, CFG, DidSpill) -> {CFG, DidSpill}; +do_bbs([Lbl|Lbls], TempMap, Strategy, CFG0, DidSpill0) -> + Code0 = hipe_bb:code(BB = hipe_x86_cfg:bb(CFG0, Lbl)), + {Code, DidSpill} = do_insns(Code0, TempMap, Strategy, [], DidSpill0), + CFG = hipe_x86_cfg:bb_add(CFG0, Lbl, hipe_bb:code_update(BB, Code)), + do_bbs(Lbls, TempMap, Strategy, CFG, DidSpill). + +do_insns([I|Insns], TempMap, Strategy, Accum, DidSpill0) -> + {NewIs, DidSpill1} = do_insn(I, TempMap, Strategy), + do_insns(Insns, TempMap, Strategy, lists:reverse(NewIs, Accum), + DidSpill0 or DidSpill1); +do_insns([], _TempMap, _Strategy, Accum, DidSpill) -> {lists:reverse(Accum), DidSpill}. -do_insn(I, TempMap) -> % Insn -> {Insn list, DidSpill} +do_insn(I, TempMap, Strategy) -> % Insn -> {Insn list, DidSpill} case I of #fmove{} -> - do_fmove(I, TempMap); + do_fmove(I, TempMap, Strategy); #fp_unop{} -> - do_fp_unop(I, TempMap); + do_fp_unop(I, TempMap, Strategy); #fp_binop{} -> - do_fp_binop(I, TempMap); + do_fp_binop(I, TempMap, Strategy); _ -> %% All non sse2 ops {[I], false} end. %%% Fix an fp_binop. -do_fp_binop(I, TempMap) -> +do_fp_binop(I, TempMap, Strategy) -> #fp_binop{src=Src,dst=Dst} = I, case is_mem_opnd(Dst, TempMap) of true -> - Tmp = clone(Dst), + Tmp = clone(Dst, Strategy), {[#fmove{src=Dst, dst=Tmp}, I#fp_binop{src=Src,dst=Tmp}, #fmove{src=Tmp,dst=Dst}], @@ -71,11 +72,11 @@ do_fp_binop(I, TempMap) -> {[I], false} end. -do_fp_unop(I, TempMap) -> +do_fp_unop(I, TempMap, Strategy) -> #fp_unop{arg=Arg} = I, case is_mem_opnd(Arg, TempMap) of true -> - Tmp = clone(Arg), + Tmp = clone(Arg, Strategy), {[#fmove{src=Arg, dst=Tmp}, I#fp_unop{arg=Tmp}, #fmove{src=Tmp,dst=Arg}], @@ -85,7 +86,7 @@ do_fp_unop(I, TempMap) -> end. %%% Fix an fmove op. -do_fmove(I, TempMap) -> +do_fmove(I, TempMap, Strategy) -> #fmove{src=Src,dst=Dst} = I, case (is_mem_opnd(Src, TempMap) andalso is_mem_opnd(Dst, TempMap)) @@ -93,7 +94,7 @@ do_fmove(I, TempMap) -> orelse ((not is_float_temp(Src)) andalso is_mem_opnd(Dst, TempMap)) of true -> - Tmp = spill_temp(double), + Tmp = spill_temp(double, Strategy), {[#fmove{src=Src, dst=Tmp},I#fmove{src=Tmp,dst=Dst}], true}; false -> @@ -106,86 +107,40 @@ is_float_temp(#x86_mem{}) -> false. %%% Check if an operand denotes a memory cell (mem or pseudo). is_mem_opnd(Opnd, TempMap) -> - R = - case Opnd of - #x86_mem{} -> true; - #x86_temp{type=double} -> - Reg = hipe_x86:temp_reg(Opnd), - case hipe_x86:temp_is_allocatable(Opnd) of - true -> - case tuple_size(TempMap) > Reg of - true -> - case - hipe_temp_map:is_spilled(Reg, TempMap) of - true -> - ?count_temp(Reg), - true; - false -> false - end; - _ -> false - end; - false -> true - end; - _ -> false - end, - %% io:format("Op ~w mem: ~w\n",[Opnd,R]), - R. - -%%% Check if an operand is a spilled Temp. - -%%src_is_spilled(Src, TempMap) -> -%% case hipe_x86:is_temp(Src) of -%% true -> -%% Reg = hipe_x86:temp_reg(Src), -%% case hipe_x86:temp_is_allocatable(Src) of -%% true -> -%% case tuple_size(TempMap) > Reg of -%% true -> -%% case hipe_temp_map:is_spilled(Reg, TempMap) of -%% true -> -%% ?count_temp(Reg), -%% true; -%% false -> -%% false -%% end; -%% false -> -%% false -%% end; -%% false -> true -%% end; -%% false -> false -%% end. - -%% is_spilled(Temp, TempMap) -> -%% case hipe_x86:temp_is_allocatable(Temp) of -%% true -> -%% Reg = hipe_x86:temp_reg(Temp), -%% case tuple_size(TempMap) > Reg of -%% true -> -%% case hipe_temp_map:is_spilled(Reg, TempMap) of -%% true -> -%% ?count_temp(Reg), -%% true; -%% false -> -%% false -%% end; -%% false -> -%% false -%% end; -%% false -> true -%% end. + case Opnd of + #x86_mem{} -> true; + #x86_temp{type=double} -> + Reg = hipe_x86:temp_reg(Opnd), + case hipe_x86:temp_is_allocatable(Opnd) of + true -> + case hipe_temp_map:is_spilled(Reg, TempMap) of + true -> + ?count_temp(Reg), + true; + false -> false + end; + false -> true + end; + _ -> false + end. %%% Make Reg a clone of Dst (attach Dst's type to Reg). -clone(Dst) -> +clone(Dst, Strategy) -> Type = case Dst of #x86_mem{} -> hipe_x86:mem_type(Dst); #x86_temp{} -> hipe_x86:temp_type(Dst) end, - spill_temp(Type). - -spill_temp(Type) -> + spill_temp(Type, Strategy). + +spill_temp(Type, 'normal') -> + hipe_x86:mk_new_temp(Type); +spill_temp(double, 'linearscan') -> + hipe_x86:mk_temp(hipe_amd64_specific_sse2:temp0(no_context), double); +spill_temp(Type, 'linearscan') when Type =:= tagged; Type =/= untagged -> + %% We can make a new temp here since we have yet to allocate registers for + %% these types hipe_x86:mk_new_temp(Type). %%% Make a certain reg into a clone of Dst |