%% -*- erlang-indent-level: 2 -*-
%%
%% 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
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% 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.
-module(hipe_sparc_pp).
-export([pp/1, pp/2, pp_insn/1]).
-include("hipe_sparc.hrl").
pp(Defun) ->
pp(standard_io, Defun).
pp(Dev, #defun{mfa={M,F,A}, code=Code, data=Data}) ->
Fname = atom_to_list(M)++"_"++atom_to_list(F)++"_"++integer_to_list(A),
io:format(Dev, "\t.text\n", []),
io:format(Dev, "\t.align 4\n", []),
io:format(Dev, "\t.global ~s\n", [Fname]),
io:format(Dev, "~s:\n", [Fname]),
pp_insns(Dev, Code, Fname),
io:format(Dev, "\t.rodata\n", []),
io:format(Dev, "\t.align 4\n", []),
hipe_data_pp:pp(Dev, Data, sparc, Fname),
io:format(Dev, "\n", []).
pp_insns(Dev, [I|Is], Fname) ->
pp_insn(Dev, I, Fname),
pp_insns(Dev, Is, Fname);
pp_insns(_, [], _) ->
[].
pp_insn(I) ->
pp_insn(standard_io, I, "").
pp_insn(Dev, I, Pre) ->
case I of
#alu{aluop=AluOp, dst=Dst, src1=Src1, src2=Src2} ->
io:format(Dev, "\t~s ", [alu_op_name(AluOp)]),
case aluop_is_ldop(AluOp) of
true ->
io:format(Dev, "[", []),
pp_temp(Dev, Src1),
io:format(Dev, " + ", []),
pp_src(Dev, Src2),
io:format(Dev, "]", []);
false ->
pp_temp(Dev, Src1),
io:format(Dev, ", ", []),
pp_src(Dev, Src2)
end,
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#bp{'cond'=Cond, label=Label, pred=Pred} ->
io:format(Dev, "\tb~w,~w .~s_~w\n",
[cond_name(Cond), pred_name(Pred), Pre, Label]);
%% #br{} -> pp_br(Dev, I, Pre);
#call_rec{'fun'=Fun, sdesc=SDesc, linkage=Linkage} ->
io:format(Dev, "\tcall ", []),
pp_fun(Dev, Fun),
io:format(Dev, " #", []),
pp_sdesc(Dev, Pre, SDesc),
io:format(Dev, " ~w\n", [Linkage]);
#call_tail{'fun'=Fun, linkage=Linkage} ->
io:format(Dev, "\tb ", []),
pp_fun(Dev, Fun),
io:format(Dev, " # ~w\n", [Linkage]);
#comment{term=Term} ->
io:format(Dev, "\t# ~p\n", [Term]);
#jmp{src1=Src1, src2=Src2, labels=Labels} ->
io:format(Dev, "\tjmp [", []),
pp_temp(Dev, Src1),
io:format(Dev, " + ", []),
pp_src(Dev, Src2),
io:format(Dev, "]", []),
case Labels of
[] -> [];
_ ->
io:format(Dev, " #", []),
pp_labels(Dev, Labels, Pre)
end,
io:format(Dev, "\n", []);
#jmpl{src=Src, sdesc=SDesc} ->
io:format(Dev, "\tjmpl [", []),
pp_temp(Dev, Src),
io:format(Dev, " + 0], %o7 # ", []),
pp_sdesc(Dev, Pre, SDesc),
io:format(Dev, "\n", []);
#label{label=Label} ->
io:format(Dev, ".~s_~w:~n", [Pre, Label]);
#pseudo_bp{'cond'=Cond, true_label=TrueLab, false_label=FalseLab, pred=Pred} ->
io:format(Dev, "\tpseudo_b~w,~w .~s_~w # .~s_~w\n",
[cond_name(Cond), pred_name(Pred), Pre, TrueLab, Pre, FalseLab]);
%% #pseudo_br{} -> pp_pseudo_br(Dev, I, Pre);
#pseudo_call{funv=FunV, sdesc=SDesc, contlab=ContLab, linkage=Linkage} ->
io:format(Dev, "\tpseudo_call ", []),
pp_funv(Dev, FunV),
io:format(Dev, " # contlab .~s_~w", [Pre, ContLab]),
pp_sdesc(Dev, Pre, SDesc),
io:format(Dev, " ~w\n", [Linkage]);
#pseudo_call_prepare{nrstkargs=NrStkArgs} ->
SP = hipe_sparc_registers:reg_name_gpr(hipe_sparc_registers:stack_pointer()),
io:format(Dev, "\tsub ~s, ~w, ~s # pseudo_call_prepare\n",
[SP, 4*NrStkArgs, SP]);
#pseudo_move{src=Src, dst=Dst} ->
io:format(Dev, "\tpseudo_move ", []),
pp_temp(Dev, Src),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#pseudo_ret{} ->
io:format(Dev, "\tpseudo_ret\n", []);
#pseudo_set{imm=Imm, dst=Dst} ->
io:format(Dev, "\tpseudo_set ", []),
pp_imm(Dev, Imm),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#pseudo_tailcall{funv=FunV, arity=Arity, stkargs=StkArgs, linkage=Linkage} ->
io:format(Dev, "\tpseudo_tailcall ", []),
pp_funv(Dev, FunV),
io:format(Dev, "/~w (", [Arity]),
pp_args(Dev, StkArgs),
io:format(Dev, ") ~w\n", [Linkage]);
#pseudo_tailcall_prepare{} ->
io:format(Dev, "\tpseudo_tailcall_prepare\n", []);
#rdy{dst=Dst} ->
io:format(Dev, "\trd %y, ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#sethi{dst=Dst, uimm22=#sparc_uimm22{value=Value}} ->
io:format(Dev, "\tsethi ", []),
pp_hex(Dev, Value),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#store{stop=StOp, src=Src, base=Base, disp=Disp} ->
io:format(Dev, "\t~s ", [stop_name(StOp)]),
pp_temp(Dev, Src),
io:format(Dev, ", [", []),
pp_temp(Dev, Base),
io:format(Dev, " + ", []),
pp_src(Dev, Disp),
io:format(Dev, "]\n", []);
#fp_binary{fp_binop=FpBinOp, src1=Src1, src2=Src2, dst=Dst} ->
io:format(Dev, "\t~s ", [FpBinOp]),
pp_temp(Dev, Src1),
io:format(Dev, ", ", []),
pp_temp(Dev, Src2),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#fp_unary{fp_unop=FpUnOp, src=Src, dst=Dst} ->
io:format(Dev, "\t~s ", [FpUnOp]),
pp_temp(Dev, Src),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#pseudo_fload{base=Base, disp=Disp, dst=Dst, is_single=IsSingle} ->
io:format(Dev, "\t~s [",
[case IsSingle of
true -> 'ldf';
_ -> 'pseudo_fload' end]),
pp_temp(Dev, Base),
io:format(Dev, " + ", []),
pp_simm13(Dev, Disp),
io:format(Dev, "], ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#pseudo_fmove{src=Src, dst=Dst} ->
io:format(Dev, "\tpseudo_fmove ", []),
pp_temp(Dev, Src),
io:format(Dev, ", ", []),
pp_temp(Dev, Dst),
io:format(Dev, "\n", []);
#pseudo_fstore{src=Src, base=Base, disp=Disp} ->
io:format(Dev, "\tpseudo_fstore ", []),
pp_temp(Dev, Src),
io:format(Dev, ", [", []),
pp_temp(Dev, Base),
io:format(Dev, " + ", []),
pp_simm13(Dev, Disp),
io:format(Dev, "]\n", []);
_ ->
exit({?MODULE, pp_insn, I})
end.
-ifdef(notdef). % XXX: only for sparc64, alas
pp_br(Dev, I, Pre) ->
#br{rcond=RCond, src=Src, label=Label, pred=Pred} = I,
io:format(Dev, "\tbr~w,~w ", [rcond_name(RCond), pred_name(Pred)]),
pp_temp(Dev, Src),
io:format(Dev, ", .~s_~w\n", [Pre, Label]).
pp_pseudo_br(Dev, I, Pre) ->
#pseudo_br{rcond=RCond, src=Src, true_label=TrueLab, false_label=FalseLab, pred=Pred} = I,
io:format(Dev, "\tpseudo_br~w,~w ", [rcond_name(RCond), pred_name(Pred)]),
pp_src(Dev, Src),
io:format(Dev, ", .~s_~w # .~s_~w\n", [Pre, TrueLab, Pre, FalseLab]).
-endif.
to_hex(N) ->
io_lib:format("~.16x", [N, "0x"]).
pp_sdesc(Dev, Pre, #sparc_sdesc{exnlab=ExnLab,fsize=FSize,arity=Arity,live=Live}) ->
pp_sdesc_exnlab(Dev, Pre, ExnLab),
io:format(Dev, " ~s ~w [", [to_hex(FSize), Arity]),
pp_sdesc_live(Dev, Live),
io:format(Dev, "]", []).
pp_sdesc_exnlab(Dev, _, []) -> io:format(Dev, " []", []);
pp_sdesc_exnlab(Dev, Pre, ExnLab) -> io:format(Dev, " .~s_~w", [Pre, ExnLab]).
pp_sdesc_live(_, {}) -> [];
pp_sdesc_live(Dev, Live) -> pp_sdesc_live(Dev, Live, 1).
pp_sdesc_live(Dev, Live, I) ->
io:format(Dev, "~s", [to_hex(element(I, Live))]),
if I < tuple_size(Live) ->
io:format(Dev, ",", []),
pp_sdesc_live(Dev, Live, I+1);
true -> []
end.
pp_labels(Dev, [Label|Labels], Pre) ->
io:format(Dev, " .~s_~w", [Pre, Label]),
pp_labels(Dev, Labels, Pre);
pp_labels(_, [], _) ->
[].
pp_fun(Dev, Fun) ->
case Fun of
#sparc_mfa{m=M, f=F, a=A} ->
io:format(Dev, "~w:~w/~w", [M, F, A]);
#sparc_prim{prim=Prim} ->
io:format(Dev, "~w", [Prim])
end.
pp_funv(Dev, FunV) ->
case FunV of
#sparc_temp{} ->
pp_temp(Dev, FunV);
Fun ->
pp_fun(Dev, Fun)
end.
alu_op_name(Op) -> Op.
aluop_is_ldop(AluOp) ->
case AluOp of
'ldsb' -> true;
'ldsh' -> true;
'ldsw' -> true;
'ldub' -> true;
'lduh' -> true;
'lduw' -> true;
'ldx' -> true;
_ -> false
end.
cond_name(Cond) -> Cond.
%%rcond_name(RCond) -> RCond.
pred_name(Pred) ->
if Pred >= 0.5 -> 'pt';
true -> 'pn'
end.
stop_name(StOp) -> StOp.
pp_temp(Dev, Temp=#sparc_temp{reg=Reg, type=Type}) ->
case hipe_sparc:temp_is_precoloured(Temp) of
true ->
Name =
case Type of
double -> hipe_sparc_registers:reg_name_fpr(Reg);
_ -> hipe_sparc_registers:reg_name_gpr(Reg)
end,
io:format(Dev, "~s", [Name]);
false ->
Tag =
case Type of
double -> "f";
tagged -> "t";
untagged -> "u"
end,
io:format(Dev, "~s~w", [Tag, Reg])
end.
pp_hex(Dev, Value) -> io:format(Dev, "~s", [to_hex(Value)]).
pp_simm13(Dev, #sparc_simm13{value=Value}) -> pp_hex(Dev, Value).
pp_uimm5(Dev, #sparc_uimm5{value=Value}) -> pp_hex(Dev, Value).
pp_imm(Dev, Value) ->
if is_integer(Value) -> pp_hex(Dev, Value);
true -> io:format(Dev, "~w", [Value])
end.
pp_src(Dev, Src) ->
case Src of
#sparc_temp{} ->
pp_temp(Dev, Src);
#sparc_simm13{} ->
pp_simm13(Dev, Src);
#sparc_uimm5{} -> % XXX: sparc64: uimm6
pp_uimm5(Dev, Src)
end.
pp_arg(Dev, Arg) ->
case Arg of
#sparc_temp{} ->
pp_temp(Dev, Arg);
_ ->
pp_hex(Dev, Arg)
end.
pp_args(Dev, [A|As]) ->
pp_arg(Dev, A),
pp_comma_args(Dev, As);
pp_args(_, []) ->
[].
pp_comma_args(Dev, [A|As]) ->
io:format(Dev, ", ", []),
pp_arg(Dev, A),
pp_comma_args(Dev, As);
pp_comma_args(_, []) ->
[].
