%% -*- erlang-indent-level: 2 -*- %% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2001-2009. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. %% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. %% %% %CopyrightEnd% %% -module(hipe_sparc). -export([ mk_temp/2, mk_new_temp/1, mk_new_nonallocatable_temp/1, is_temp/1, temp_reg/1, temp_type/1, temp_is_allocatable/1, temp_is_precoloured/1, mk_g0/0, mk_ra/0, mk_rv/0, mk_sp/0, mk_temp1/0, mk_temp2/0, mk_simm13/1, mk_uimm5/1, mk_mfa/3, mk_prim/1, is_prim/1, prim_prim/1, mk_sdesc/4, mk_alu/4, mk_mov/2, mk_load/6, mk_bp/3, mk_b_label/1, %% mk_br/4, mk_call_rec/3, mk_call_tail/2, mk_comment/1, mk_label/1, is_label/1, label_label/1, mk_jmp/3, mk_jmpl/2, mk_pseudo_bp/4, negate_cond/1, %% mk_pseudo_br/5, %% negate_rcond/1, mk_pseudo_call/4, pseudo_call_contlab/1, pseudo_call_funv/1, pseudo_call_linkage/1, pseudo_call_sdesc/1, mk_pseudo_call_prepare/1, pseudo_call_prepare_nrstkargs/1, mk_pseudo_move/2, is_pseudo_move/1, pseudo_move_dst/1, pseudo_move_src/1, mk_pseudo_ret/0, mk_pseudo_set/2, mk_pseudo_tailcall/4, pseudo_tailcall_funv/1, pseudo_tailcall_linkage/1, pseudo_tailcall_stkargs/1, mk_pseudo_tailcall_prepare/0, mk_rdy/1, %% mk_sethi/2, mk_nop/0, mk_set/2, mk_set/3, mk_addi/4, mk_store/4, mk_store/6, mk_fp_binary/4, mk_fp_unary/3, mk_pseudo_fload/4, mk_fload/4, mk_pseudo_fmove/2, is_pseudo_fmove/1, pseudo_fmove_src/1, pseudo_fmove_dst/1, mk_pseudo_fstore/3, mk_fstore/4, mk_defun/8, defun_code/1, defun_data/1, defun_formals/1, defun_is_closure/1, defun_is_leaf/1, defun_mfa/1, defun_var_range/1 ]). -include("hipe_sparc.hrl"). mk_temp(Reg, Type, Allocatable) -> #sparc_temp{reg=Reg, type=Type, allocatable=Allocatable}. mk_temp(Reg, Type) -> mk_temp(Reg, Type, true). mk_new_temp(Type, Allocatable) -> mk_temp(hipe_gensym:get_next_var(sparc), Type, Allocatable). mk_new_temp(Type) -> mk_new_temp(Type, true). mk_new_nonallocatable_temp(Type) -> mk_new_temp(Type, false). is_temp(X) -> case X of #sparc_temp{} -> true; _ -> false end. temp_reg(#sparc_temp{reg=Reg}) -> Reg. temp_type(#sparc_temp{type=Type}) -> Type. temp_is_allocatable(#sparc_temp{allocatable=A}) -> A. temp_is_precoloured(#sparc_temp{reg=Reg,type=Type}) -> case Type of %% 'double' -> hipe_sparc_registers:is_precoloured_fpr(Reg); _ -> hipe_sparc_registers:is_precoloured_gpr(Reg) end. mk_g0() -> mk_temp(hipe_sparc_registers:g0(), 'untagged'). mk_ra() -> mk_temp(hipe_sparc_registers:return_address(), 'untagged'). mk_rv() -> mk_temp(hipe_sparc_registers:return_value(), 'tagged'). mk_sp() -> mk_temp(hipe_sparc_registers:stack_pointer(), 'untagged'). mk_temp1() -> mk_temp(hipe_sparc_registers:temp1(), 'untagged'). mk_temp2() -> mk_temp(hipe_sparc_registers:temp2(), 'untagged'). mk_simm13(Value) -> #sparc_simm13{value=Value}. mk_uimm5(Value) -> #sparc_uimm5{value=Value}. mk_uimm22(Value) -> #sparc_uimm22{value=Value}. mk_mfa(M, F, A) -> #sparc_mfa{m=M, f=F, a=A}. mk_prim(Prim) -> #sparc_prim{prim=Prim}. is_prim(X) -> case X of #sparc_prim{} -> true; _ -> false end. prim_prim(#sparc_prim{prim=Prim}) -> Prim. mk_sdesc(ExnLab, FSize, Arity, Live) -> #sparc_sdesc{exnlab=ExnLab, fsize=FSize, arity=Arity, live=Live}. mk_alu(AluOp, Src1, Src2, Dst) -> #alu{aluop=AluOp, src1=Src1, src2=Src2, dst=Dst}. mk_mov(Src, Dst) -> mk_alu('or', mk_g0(), Src, Dst). mk_bp(Cond, Label, Pred) -> #bp{'cond'=Cond, label=Label, pred=Pred}. mk_b_label(Label) -> mk_bp('a', Label, 1.0). -ifdef(notdef). % XXX: only for sparc64, alas mk_br(RCond, Src, Label, Pred) -> #br{rcond=RCond, src=Src, label=Label, pred=Pred}. -endif. mk_call_rec(Fun, SDesc, Linkage) -> #call_rec{'fun'=Fun, sdesc=SDesc, linkage=Linkage}. mk_call_tail(Fun, Linkage) -> #call_tail{'fun'=Fun, linkage=Linkage}. mk_comment(Term) -> #comment{term=Term}. mk_label(Label) -> #label{label=Label}. is_label(I) -> case I of #label{} -> true; _ -> false end. label_label(#label{label=Label}) -> Label. mk_jmp(Src1, Src2, Labels) -> #jmp{src1=Src1, src2=Src2, labels=Labels}. mk_jmpl(Src, SDesc) -> #jmpl{src=Src, sdesc=SDesc}. mk_pseudo_bp(Cond, TrueLab, FalseLab, Pred) -> if Pred >= 0.5 -> mk_pseudo_bp_simple(negate_cond(Cond), FalseLab, TrueLab, 1.0-Pred); true -> mk_pseudo_bp_simple(Cond, TrueLab, FalseLab, Pred) end. mk_pseudo_bp_simple(Cond, TrueLab, FalseLab, Pred) when Pred =< 0.5 -> #pseudo_bp{'cond'=Cond, true_label=TrueLab, false_label=FalseLab, pred=Pred}. negate_cond(Cond) -> case Cond of 'l' -> 'ge'; % <, >= 'ge' -> 'l'; % >=, < 'g' -> 'le'; % >, <= 'le' -> 'g'; % <=, > 'e' -> 'ne'; % ==, != 'ne' -> 'e'; % !=, == 'gu' -> 'leu'; % >u, <=u 'leu'-> 'gu'; % <=u, >u 'geu'-> 'lu'; % >=u, <u 'lu' -> 'geu'; % <u, >=u 'vs' -> 'vc'; % overflow, not_overflow 'vc' -> 'vs' % not_overflow, overflow end. -ifdef(notdef). % XXX: only for sparc64, alas mk_pseudo_br(RCond, Src, TrueLab, FalseLab, Pred) -> if Pred >= 0.5 -> mk_pseudo_br_simple(negate_rcond(RCond), Src, FalseLab, TrueLab, 1.0-Pred); true -> mk_pseudo_br_simple(RCond, Src, TrueLab, FalseLab, Pred) end. mk_pseudo_br_simple(RCond, Src, TrueLab, FalseLab, Pred) when Pred =< 0.5 -> #pseudo_br{rcond=RCond, src=Src, true_label=TrueLab, false_label=FalseLab, pred=Pred}. negate_rcond(RCond) -> case RCond of 'z' -> 'nz'; % ==, != 'nz' -> 'z'; % !=, == 'gz' -> 'lez'; % >, <= 'lez' -> 'gz'; % <=, > 'gez' -> 'lz'; % >=, < 'lz' -> 'gez' % <, >= end. -endif. mk_pseudo_call(FunV, SDesc, ContLab, Linkage) -> #pseudo_call{funv=FunV, sdesc=SDesc, contlab=ContLab, linkage=Linkage}. pseudo_call_funv(#pseudo_call{funv=FunV}) -> FunV. pseudo_call_contlab(#pseudo_call{contlab=ContLab}) -> ContLab. pseudo_call_linkage(#pseudo_call{linkage=Linkage}) -> Linkage. pseudo_call_sdesc(#pseudo_call{sdesc=SDesc}) -> SDesc. mk_pseudo_call_prepare(NrStkArgs) -> #pseudo_call_prepare{nrstkargs=NrStkArgs}. pseudo_call_prepare_nrstkargs(#pseudo_call_prepare{nrstkargs=NrStkArgs}) -> NrStkArgs. mk_pseudo_move(Src, Dst) -> #pseudo_move{src=Src, dst=Dst}. is_pseudo_move(I) -> case I of #pseudo_move{} -> true; _ -> false end. pseudo_move_dst(#pseudo_move{dst=Dst}) -> Dst. pseudo_move_src(#pseudo_move{src=Src}) -> Src. mk_pseudo_ret() -> #pseudo_ret{}. mk_pseudo_set(Imm, Dst) -> #pseudo_set{imm=Imm, dst=Dst}. mk_pseudo_tailcall(FunV, Arity, StkArgs, Linkage) -> #pseudo_tailcall{funv=FunV, arity=Arity, stkargs=StkArgs, linkage=Linkage}. pseudo_tailcall_funv(#pseudo_tailcall{funv=FunV}) -> FunV. pseudo_tailcall_linkage(#pseudo_tailcall{linkage=Linkage}) -> Linkage. pseudo_tailcall_stkargs(#pseudo_tailcall{stkargs=StkArgs}) -> StkArgs. mk_pseudo_tailcall_prepare() -> #pseudo_tailcall_prepare{}. mk_rdy(Dst) -> #rdy{dst=Dst}. mk_sethi(UImm22, Dst) -> #sethi{uimm22=UImm22, dst=Dst}. mk_nop() -> mk_sethi(mk_uimm22(0), mk_g0()). %%% Load an integer constant into a register. mk_set(Value, Dst) -> mk_set(Value, Dst, []). mk_set(Value, Dst, Tail) -> if -4096 =< Value, Value < 4096 -> [mk_alu('or', mk_g0(), mk_simm13(Value), Dst) | Tail]; true -> Hi22 = mk_uimm22((Value bsr 10) band 16#003FFFFF), case (Value band 16#3FF) of 0 -> [mk_sethi(Hi22, Dst) | Tail]; Lo10 -> [mk_sethi(Hi22, Dst), mk_alu('or', Dst, mk_simm13(Lo10), Dst) | Tail] end end. %%% Add an integer constant. Dst may equal Src, %%% in which case temp2 may be clobbered. mk_addi(Src, Value, Dst, Tail) -> if -4096 =< Value, Value < 4096 -> [mk_alu('add', Src, mk_simm13(Value), Dst) | Tail]; true -> Tmp = begin DstReg = temp_reg(Dst), SrcReg = temp_reg(Src), if DstReg =:= SrcReg -> mk_temp2(); true -> Dst end end, mk_set(Value, Tmp, [mk_alu('add', Src, Tmp, Dst) | Tail]) end. mk_store(StOp, Src, Base, Disp) -> #store{stop=StOp, src=Src, base=Base, disp=Disp}. mk_store(StOp, Src, Base, Offset, Scratch, Rest) when is_integer(Offset) -> if -4096 =< Offset, Offset < 4096 -> [mk_store(StOp, Src, Base, mk_simm13(Offset)) | Rest]; true -> Index = mk_scratch(Scratch), mk_set(Offset, Index, [mk_store(StOp, Src, Base, Index) | Rest]) end. mk_load(LdOp, Base, Disp, Dst) -> mk_alu(LdOp, Base, Disp, Dst). mk_load(LdOp, Base, Offset, Dst, Scratch, Rest) when is_integer(Offset) -> if -4096 =< Offset, Offset < 4096 -> [mk_load(LdOp, Base, mk_simm13(Offset), Dst) | Rest]; true -> Index = begin DstReg = temp_reg(Dst), BaseReg = temp_reg(Base), if DstReg =/= BaseReg -> Dst; true -> mk_scratch(Scratch) end end, mk_set(Offset, Index, [mk_load(LdOp, Base, Index, Dst) | Rest]) end. mk_scratch(Scratch) -> case Scratch of 'temp2' -> mk_temp2(); 'new' -> mk_new_temp('untagged') end. mk_fp_binary(FpBinOp, Src1, Src2, Dst) -> #fp_binary{fp_binop=FpBinOp, src1=Src1, src2=Src2, dst=Dst}. mk_fp_unary(FpUnOp, Src, Dst) -> #fp_unary{fp_unop=FpUnOp, src=Src, dst=Dst}. mk_pseudo_fload(Base, Disp, Dst, IsSingle) -> #pseudo_fload{base=Base, disp=Disp, dst=Dst, is_single=IsSingle}. mk_fload(Base, Disp, Dst, Scratch) when is_integer(Disp) -> if -4096 =< Disp, Disp < (4096-4) -> [mk_pseudo_fload(Base, mk_simm13(Disp), Dst, false)]; true -> Tmp = mk_scratch(Scratch), mk_set(Disp, Tmp, [mk_alu('add', Tmp, Base, Tmp), mk_pseudo_fload(Tmp, mk_simm13(0), Dst, false)]) end. mk_pseudo_fmove(Src, Dst) -> #pseudo_fmove{src=Src, dst=Dst}. is_pseudo_fmove(I) -> case I of #pseudo_fmove{} -> true; _ -> false end. pseudo_fmove_src(#pseudo_fmove{src=Src}) -> Src. pseudo_fmove_dst(#pseudo_fmove{dst=Dst}) -> Dst. mk_pseudo_fstore(Src, Base, Disp) -> #pseudo_fstore{src=Src, base=Base, disp=Disp}. mk_fstore(Src, Base, Disp, Scratch) when is_integer(Disp) -> if -4096 =< Disp, Disp < (4096-4) -> [mk_pseudo_fstore(Src, Base, hipe_sparc:mk_simm13(Disp))]; true -> Tmp = mk_scratch(Scratch), mk_set(Disp, Tmp, [mk_alu('add', Tmp, Base, Tmp), mk_pseudo_fstore(Src, Tmp, mk_simm13(0))]) end. mk_defun(MFA, Formals, IsClosure, IsLeaf, Code, Data, VarRange, LabelRange) -> #defun{mfa=MFA, formals=Formals, code=Code, data=Data, isclosure=IsClosure, isleaf=IsLeaf, var_range=VarRange, label_range=LabelRange}. defun_code(#defun{code=Code}) -> Code. defun_data(#defun{data=Data}) -> Data. defun_formals(#defun{formals=Formals}) -> Formals. defun_is_closure(#defun{isclosure=IsClosure}) -> IsClosure. defun_is_leaf(#defun{isleaf=IsLeaf}) -> IsLeaf. defun_mfa(#defun{mfa=MFA}) -> MFA. defun_var_range(#defun{var_range=VarRange}) -> VarRange.