-- Iir to ortho translator. -- Copyright (C) 2002 - 2014 Tristan Gingold -- -- GHDL is free software; you can redistribute it and/or modify it under -- the terms of the GNU General Public License as published by the Free -- Software Foundation; either version 2, or (at your option) any later -- version. -- -- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY -- WARRANTY; without even the implied warranty of MERCHANTABILITY or -- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- for more details. -- -- You should have received a copy of the GNU General Public License -- along with GCC; see the file COPYING. If not, write to the Free -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- 02111-1307, USA. with Ada.Text_IO; with Name_Table; with Str_Table; with Iirs_Utils; use Iirs_Utils; with Iir_Chains; use Iir_Chains; with Std_Package; use Std_Package; with Errorout; use Errorout; with Flags; use Flags; with Canon; with Evaluation; use Evaluation; with Trans.Chap3; with Trans.Chap4; with Trans.Chap6; with Trans.Chap8; with Trans.Chap14; with Trans.Rtis; with Trans_Decls; use Trans_Decls; with Trans.Helpers2; use Trans.Helpers2; with Trans.Foreach_Non_Composite; package body Trans.Chap7 is use Trans.Helpers; procedure Copy_Range (Dest : Mnode; Src : Mnode); function Is_Static_Constant (Decl : Iir_Constant_Declaration) return Boolean is Expr : constant Iir := Get_Default_Value (Decl); Atype : Iir; Info : Iir; begin if Expr = Null_Iir or else Get_Kind (Expr) = Iir_Kind_Overflow_Literal then -- Deferred constant. return False; end if; if Get_Expr_Staticness (Decl) = Locally then return True; end if; -- Only aggregates are handled. if Get_Kind (Expr) /= Iir_Kind_Aggregate then return False; end if; Atype := Get_Type (Decl); -- Bounds must be known (and static). if Get_Type_Staticness (Atype) /= Locally then return False; end if; -- Currently, only array aggregates are handled. if Get_Kind (Get_Base_Type (Atype)) /= Iir_Kind_Array_Type_Definition then return False; end if; -- Aggregate elements must be locally static. -- Note: this does not yet handled aggregates of aggregates. if Get_Value_Staticness (Expr) /= Locally then return False; end if; Info := Get_Aggregate_Info (Expr); while Info /= Null_Iir loop if Get_Aggr_Dynamic_Flag (Info) then raise Internal_Error; end if; -- Currently, only positionnal aggregates are handled. if Get_Aggr_Named_Flag (Info) then return False; end if; -- Currently, others choice are not handled. if Get_Aggr_Others_Flag (Info) then return False; end if; Info := Get_Sub_Aggregate_Info (Info); end loop; return True; end Is_Static_Constant; procedure Translate_Static_String_Literal8_Inner (List : in out O_Array_Aggr_List; Str : Iir; El_Type : Iir) is use Name_Table; Literal_List : constant Iir_List := Get_Enumeration_Literal_List (Get_Base_Type (El_Type)); Len : constant Nat32 := Get_String_Length (Str); Id : constant String8_Id := Get_String8_Id (Str); Lit : Iir; begin for I in 1 .. Len loop Lit := Get_Nth_Element (Literal_List, Natural (Str_Table.Element_String8 (Id, Pos32 (I)))); New_Array_Aggr_El (List, Get_Ortho_Expr (Lit)); end loop; end Translate_Static_String_Literal8_Inner; procedure Translate_Static_Aggregate_1 (List : in out O_Array_Aggr_List; Aggr : Iir; Info : Iir; El_Type : Iir) is N_Info : constant Iir := Get_Sub_Aggregate_Info (Info); Assoc : Iir; Sub : Iir; begin case Get_Kind (Aggr) is when Iir_Kind_Aggregate => Assoc := Get_Association_Choices_Chain (Aggr); while Assoc /= Null_Iir loop Sub := Get_Associated_Expr (Assoc); case Get_Kind (Assoc) is when Iir_Kind_Choice_By_None => if N_Info = Null_Iir then New_Array_Aggr_El (List, Translate_Static_Expression (Sub, El_Type)); else Translate_Static_Aggregate_1 (List, Sub, N_Info, El_Type); end if; when others => Error_Kind ("translate_static_aggregate_1(2)", Assoc); end case; Assoc := Get_Chain (Assoc); end loop; when Iir_Kind_String_Literal8 => if N_Info /= Null_Iir then raise Internal_Error; end if; Translate_Static_String_Literal8_Inner (List, Aggr, El_Type); when others => Error_Kind ("translate_static_aggregate_1", Aggr); end case; end Translate_Static_Aggregate_1; function Translate_Static_Aggregate (Aggr : Iir) return O_Cnode is Aggr_Type : constant Iir := Get_Type (Aggr); El_Type : constant Iir := Get_Element_Subtype (Aggr_Type); List : O_Array_Aggr_List; Res : O_Cnode; begin Chap3.Translate_Anonymous_Type_Definition (Aggr_Type, True); Start_Array_Aggr (List, Get_Ortho_Type (Aggr_Type, Mode_Value)); Translate_Static_Aggregate_1 (List, Aggr, Get_Aggregate_Info (Aggr), El_Type); Finish_Array_Aggr (List, Res); return Res; end Translate_Static_Aggregate; function Translate_Static_Simple_Aggregate (Aggr : Iir) return O_Cnode is Aggr_Type : constant Iir := Get_Type (Aggr); El_List : constant Iir_List := Get_Simple_Aggregate_List (Aggr); El_Type : constant Iir := Get_Element_Subtype (Aggr_Type); El : Iir; List : O_Array_Aggr_List; Res : O_Cnode; begin Chap3.Translate_Anonymous_Type_Definition (Aggr_Type, True); Start_Array_Aggr (List, Get_Ortho_Type (Aggr_Type, Mode_Value)); for I in Natural loop El := Get_Nth_Element (El_List, I); exit when El = Null_Iir; New_Array_Aggr_El (List, Translate_Static_Expression (El, El_Type)); end loop; Finish_Array_Aggr (List, Res); return Res; end Translate_Static_Simple_Aggregate; function Translate_Static_String_Literal8 (Str : Iir) return O_Cnode is use Name_Table; Lit_Type : constant Iir := Get_Type (Str); Element_Type : constant Iir := Get_Element_Subtype (Lit_Type); Arr_Type : O_Tnode; List : O_Array_Aggr_List; Res : O_Cnode; begin Chap3.Translate_Anonymous_Type_Definition (Lit_Type, True); Arr_Type := Get_Ortho_Type (Lit_Type, Mode_Value); Start_Array_Aggr (List, Arr_Type); Translate_Static_String_Literal8_Inner (List, Str, Element_Type); Finish_Array_Aggr (List, Res); return Res; end Translate_Static_String_Literal8; -- Create a variable (constant) for string or bit string literal STR. -- The type of the literal element is ELEMENT_TYPE, and the ortho type -- of the string (a constrained array type) is STR_TYPE. function Create_String_Literal_Var_Inner (Str : Iir; Element_Type : Iir; Str_Type : O_Tnode) return Var_Type is use Name_Table; Val_Aggr : O_Array_Aggr_List; Res : O_Cnode; begin Start_Array_Aggr (Val_Aggr, Str_Type); case Get_Kind (Str) is when Iir_Kind_String_Literal8 => Translate_Static_String_Literal8_Inner (Val_Aggr, Str, Element_Type); when others => raise Internal_Error; end case; Finish_Array_Aggr (Val_Aggr, Res); return Create_Global_Const (Create_Uniq_Identifier, Str_Type, O_Storage_Private, Res); end Create_String_Literal_Var_Inner; -- Create a variable (constant) for string or bit string literal STR. function Create_String_Literal_Var (Str : Iir) return Var_Type is use Name_Table; Str_Type : constant Iir := Get_Type (Str); Arr_Type : O_Tnode; begin -- Create the string value. Arr_Type := New_Constrained_Array_Type (Get_Info (Str_Type).T.Base_Type (Mode_Value), New_Unsigned_Literal (Ghdl_Index_Type, Unsigned_64 (Get_String_Length (Str)))); return Create_String_Literal_Var_Inner (Str, Get_Element_Subtype (Str_Type), Arr_Type); end Create_String_Literal_Var; -- Some strings literal have an unconstrained array type, -- eg: 'image of constant. Its type is not constrained -- because it is not so in VHDL! function Translate_Non_Static_String_Literal (Str : Iir) return O_Enode is use Name_Table; Len : constant Nat32 := Get_String_Length (Str); Lit_Type : constant Iir := Get_Type (Str); Type_Info : constant Type_Info_Acc := Get_Info (Lit_Type); Index_Type : constant Iir := Get_Index_Type (Lit_Type, 0); Index_Type_Info : constant Type_Info_Acc := Get_Info (Index_Type); Bound_Aggr : O_Record_Aggr_List; Index_Aggr : O_Record_Aggr_List; Res_Aggr : O_Record_Aggr_List; Res : O_Cnode; Val : Var_Type; Bound : Var_Type; R : O_Enode; begin -- Create the string value. Val := Create_String_Literal_Var (Str); if Type_Info.Type_Mode = Type_Mode_Fat_Array then -- Create the string bound. Start_Record_Aggr (Bound_Aggr, Type_Info.T.Bounds_Type); Start_Record_Aggr (Index_Aggr, Index_Type_Info.T.Range_Type); New_Record_Aggr_El (Index_Aggr, New_Signed_Literal (Index_Type_Info.Ortho_Type (Mode_Value), 0)); New_Record_Aggr_El (Index_Aggr, New_Signed_Literal (Index_Type_Info.Ortho_Type (Mode_Value), Integer_64 (Len - 1))); New_Record_Aggr_El (Index_Aggr, Ghdl_Dir_To_Node); New_Record_Aggr_El (Index_Aggr, New_Unsigned_Literal (Ghdl_Index_Type, Unsigned_64 (Len))); Finish_Record_Aggr (Index_Aggr, Res); New_Record_Aggr_El (Bound_Aggr, Res); Finish_Record_Aggr (Bound_Aggr, Res); Bound := Create_Global_Const (Create_Uniq_Identifier, Type_Info.T.Bounds_Type, O_Storage_Private, Res); -- The descriptor. Start_Record_Aggr (Res_Aggr, Type_Info.Ortho_Type (Mode_Value)); New_Record_Aggr_El (Res_Aggr, New_Global_Address (Get_Var_Label (Val), Type_Info.T.Base_Ptr_Type (Mode_Value))); New_Record_Aggr_El (Res_Aggr, New_Global_Address (Get_Var_Label (Bound), Type_Info.T.Bounds_Ptr_Type)); Finish_Record_Aggr (Res_Aggr, Res); Val := Create_Global_Const (Create_Uniq_Identifier, Type_Info.Ortho_Type (Mode_Value), O_Storage_Private, Res); elsif Type_Info.Type_Mode = Type_Mode_Array then -- Type of string literal isn't statically known; check the -- length. Chap6.Check_Bound_Error (New_Compare_Op (ON_Neq, New_Lit (New_Index_Lit (Unsigned_64 (Len))), Chap3.Get_Array_Type_Length (Lit_Type), Ghdl_Bool_Type), Str, 1); else raise Internal_Error; end if; R := New_Address (Get_Var (Val), Type_Info.Ortho_Ptr_Type (Mode_Value)); return R; end Translate_Non_Static_String_Literal; -- Only for Strings of STD.Character. function Translate_Static_String (Str_Type : Iir; Str_Ident : Name_Id) return O_Cnode is use Name_Table; Literal_List : Iir_List; Lit : Iir; List : O_Array_Aggr_List; Res : O_Cnode; begin Chap3.Translate_Anonymous_Type_Definition (Str_Type, True); Start_Array_Aggr (List, Get_Ortho_Type (Str_Type, Mode_Value)); Literal_List := Get_Enumeration_Literal_List (Character_Type_Definition); Image (Str_Ident); for I in 1 .. Nam_Length loop Lit := Get_Nth_Element (Literal_List, Character'Pos (Nam_Buffer (I))); New_Array_Aggr_El (List, Get_Ortho_Expr (Lit)); end loop; Finish_Array_Aggr (List, Res); return Res; end Translate_Static_String; function Translate_String_Literal (Str : Iir) return O_Enode is Str_Type : constant Iir := Get_Type (Str); Var : Var_Type; Info : Type_Info_Acc; Res : O_Cnode; R : O_Enode; begin if Get_Constraint_State (Str_Type) = Fully_Constrained and then Get_Type_Staticness (Get_Index_Type (Str_Type, 0)) = Locally then Chap3.Create_Array_Subtype (Str_Type, True); case Get_Kind (Str) is when Iir_Kind_String_Literal8 => Res := Translate_Static_String_Literal8 (Str); when Iir_Kind_Simple_Aggregate => Res := Translate_Static_Simple_Aggregate (Str); when Iir_Kind_Simple_Name_Attribute => Res := Translate_Static_String (Get_Type (Str), Get_Simple_Name_Identifier (Str)); when others => raise Internal_Error; end case; Info := Get_Info (Str_Type); Var := Create_Global_Const (Create_Uniq_Identifier, Info.Ortho_Type (Mode_Value), O_Storage_Private, Res); R := New_Address (Get_Var (Var), Info.Ortho_Ptr_Type (Mode_Value)); return R; else return Translate_Non_Static_String_Literal (Str); end if; end Translate_String_Literal; function Translate_Static_Implicit_Conv (Expr : O_Cnode; Expr_Type : Iir; Res_Type : Iir) return O_Cnode is Expr_Info : Type_Info_Acc; Res_Info : Type_Info_Acc; Val : Var_Type; Res : O_Cnode; List : O_Record_Aggr_List; Bound : Var_Type; begin if Res_Type = Expr_Type then return Expr; end if; if Get_Kind (Expr_Type) /= Iir_Kind_Array_Subtype_Definition then raise Internal_Error; end if; if Get_Kind (Res_Type) = Iir_Kind_Array_Subtype_Definition then return Expr; end if; if Get_Kind (Res_Type) /= Iir_Kind_Array_Type_Definition then raise Internal_Error; end if; Expr_Info := Get_Info (Expr_Type); Res_Info := Get_Info (Res_Type); Val := Create_Global_Const (Create_Uniq_Identifier, Expr_Info.Ortho_Type (Mode_Value), O_Storage_Private, Expr); Bound := Expr_Info.T.Array_Bounds; if Bound = Null_Var then Bound := Create_Global_Const (Create_Uniq_Identifier, Expr_Info.T.Bounds_Type, O_Storage_Private, Chap3.Create_Static_Array_Subtype_Bounds (Expr_Type)); Expr_Info.T.Array_Bounds := Bound; end if; Start_Record_Aggr (List, Res_Info.Ortho_Type (Mode_Value)); New_Record_Aggr_El (List, New_Global_Address (Get_Var_Label (Val), Res_Info.T.Base_Ptr_Type (Mode_Value))); New_Record_Aggr_El (List, New_Global_Address (Get_Var_Label (Bound), Expr_Info.T.Bounds_Ptr_Type)); Finish_Record_Aggr (List, Res); return Res; end Translate_Static_Implicit_Conv; function Translate_Numeric_Literal (Expr : Iir; Res_Type : O_Tnode) return O_Cnode is begin case Get_Kind (Expr) is when Iir_Kind_Integer_Literal => return New_Signed_Literal (Res_Type, Integer_64 (Get_Value (Expr))); when Iir_Kind_Enumeration_Literal => declare Enum_Type : constant Iir := Get_Base_Type (Get_Type (Expr)); Lit_List : Iir_List; Enum : Iir; begin Lit_List := Get_Enumeration_Literal_List (Enum_Type); Enum := Get_Nth_Element (Lit_List, Natural (Get_Enum_Pos (Expr))); return Get_Ortho_Expr (Enum); end; when Iir_Kind_Floating_Point_Literal => return New_Float_Literal (Res_Type, IEEE_Float_64 (Get_Fp_Value (Expr))); when Iir_Kind_Physical_Int_Literal | Iir_Kind_Physical_Fp_Literal | Iir_Kind_Unit_Declaration => return New_Signed_Literal (Res_Type, Integer_64 (Get_Physical_Value (Expr))); when others => Error_Kind ("translate_numeric_literal", Expr); end case; exception when Constraint_Error => -- Can be raised by Get_Physical_Value. Error_Msg_Elab ("numeric literal not in range", Expr); return New_Signed_Literal (Res_Type, 0); end Translate_Numeric_Literal; function Translate_Numeric_Literal (Expr : Iir; Res_Type : Iir) return O_Cnode is Expr_Type : constant Iir := Get_Type (Expr); Expr_Otype : O_Tnode; Tinfo : Type_Info_Acc; begin Tinfo := Get_Info (Expr_Type); if Res_Type /= Null_Iir then Expr_Otype := Get_Ortho_Type (Res_Type, Mode_Value); else if Tinfo = null then -- FIXME: this is a working kludge, in the case where EXPR_TYPE -- is a subtype which was not yet translated. -- (eg: evaluated array attribute) Tinfo := Get_Info (Get_Base_Type (Expr_Type)); end if; Expr_Otype := Tinfo.Ortho_Type (Mode_Value); end if; return Translate_Numeric_Literal (Expr, Expr_Otype); end Translate_Numeric_Literal; function Translate_Static_Expression (Expr : Iir; Res_Type : Iir) return O_Cnode is Expr_Type : constant Iir := Get_Type (Expr); begin case Get_Kind (Expr) is when Iir_Kind_Integer_Literal | Iir_Kind_Enumeration_Literal | Iir_Kind_Floating_Point_Literal | Iir_Kind_Physical_Int_Literal | Iir_Kind_Unit_Declaration | Iir_Kind_Physical_Fp_Literal => return Translate_Numeric_Literal (Expr, Res_Type); when Iir_Kind_String_Literal8 => return Translate_Static_Implicit_Conv (Translate_Static_String_Literal8 (Expr), Expr_Type, Res_Type); when Iir_Kind_Simple_Aggregate => return Translate_Static_Implicit_Conv (Translate_Static_Simple_Aggregate (Expr), Expr_Type, Res_Type); when Iir_Kind_Aggregate => return Translate_Static_Implicit_Conv (Translate_Static_Aggregate (Expr), Expr_Type, Res_Type); when Iir_Kinds_Denoting_Name => return Translate_Static_Expression (Get_Named_Entity (Expr), Res_Type); when others => Error_Kind ("translate_static_expression", Expr); end case; end Translate_Static_Expression; function Translate_Static_Range_Left (Expr : Iir; Range_Type : Iir := Null_Iir) return O_Cnode is Bound : constant Iir := Get_Left_Limit (Expr); Left : O_Cnode; begin Left := Chap7.Translate_Static_Expression (Bound, Range_Type); -- if Range_Type /= Null_Iir -- and then Get_Type (Bound) /= Range_Type then -- Left := New_Convert_Ov -- (Left, Get_Ortho_Type (Range_Type, Mode_Value)); -- end if; return Left; end Translate_Static_Range_Left; function Translate_Static_Range_Right (Expr : Iir; Range_Type : Iir := Null_Iir) return O_Cnode is Right : O_Cnode; begin Right := Chap7.Translate_Static_Expression (Get_Right_Limit (Expr), Range_Type); -- if Range_Type /= Null_Iir then -- Right := New_Convert_Ov -- (Right, Get_Ortho_Type (Range_Type, Mode_Value)); -- end if; return Right; end Translate_Static_Range_Right; function Translate_Static_Range_Dir (Expr : Iir) return O_Cnode is begin case Get_Direction (Expr) is when Iir_To => return Ghdl_Dir_To_Node; when Iir_Downto => return Ghdl_Dir_Downto_Node; end case; end Translate_Static_Range_Dir; function Translate_Static_Range_Length (Expr : Iir) return O_Cnode is Ulen : Unsigned_64; begin Ulen := Unsigned_64 (Eval_Discrete_Range_Length (Expr)); return New_Unsigned_Literal (Ghdl_Index_Type, Ulen); end Translate_Static_Range_Length; function Translate_Range_Expression_Left (Expr : Iir; Range_Type : Iir := Null_Iir) return O_Enode is Left : O_Enode; begin Left := Chap7.Translate_Expression (Get_Left_Limit (Expr)); if Range_Type /= Null_Iir then Left := New_Convert_Ov (Left, Get_Ortho_Type (Range_Type, Mode_Value)); end if; return Left; end Translate_Range_Expression_Left; function Translate_Range_Expression_Right (Expr : Iir; Range_Type : Iir := Null_Iir) return O_Enode is Right : O_Enode; begin Right := Chap7.Translate_Expression (Get_Right_Limit (Expr)); if Range_Type /= Null_Iir then Right := New_Convert_Ov (Right, Get_Ortho_Type (Range_Type, Mode_Value)); end if; return Right; end Translate_Range_Expression_Right; -- Compute the length of LEFT DIR (to/downto) RIGHT. function Compute_Range_Length (Left : O_Enode; Right : O_Enode; Dir : Iir_Direction) return O_Enode is Rng_Type : constant O_Tnode := Ghdl_I32_Type; L : constant O_Enode := New_Convert_Ov (Left, Rng_Type); R : constant O_Enode := New_Convert_Ov (Right, Rng_Type); Val : O_Enode; Tmp : O_Dnode; Res : O_Dnode; If_Blk : O_If_Block; begin case Dir is when Iir_To => Val := New_Dyadic_Op (ON_Sub_Ov, R, L); when Iir_Downto => Val := New_Dyadic_Op (ON_Sub_Ov, L, R); end case; Res := Create_Temp (Ghdl_Index_Type); Open_Temp; Tmp := Create_Temp (Rng_Type); New_Assign_Stmt (New_Obj (Tmp), Val); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Lt, New_Obj_Value (Tmp), New_Lit (New_Signed_Literal (Rng_Type, 0)), Ghdl_Bool_Type)); Init_Var (Res); New_Else_Stmt (If_Blk); Val := New_Convert_Ov (New_Obj_Value (Tmp), Ghdl_Index_Type); Val := New_Dyadic_Op (ON_Add_Ov, Val, New_Lit (Ghdl_Index_1)); New_Assign_Stmt (New_Obj (Res), Val); Finish_If_Stmt (If_Blk); Close_Temp; return New_Obj_Value (Res); end Compute_Range_Length; function Translate_Range_Expression_Length (Expr : Iir) return O_Enode is Left, Right : O_Enode; begin if Get_Expr_Staticness (Expr) = Locally then return New_Lit (Translate_Static_Range_Length (Expr)); else Left := Chap7.Translate_Expression (Get_Left_Limit (Expr)); Right := Chap7.Translate_Expression (Get_Right_Limit (Expr)); return Compute_Range_Length (Left, Right, Get_Direction (Expr)); end if; end Translate_Range_Expression_Length; function Translate_Range_Length (Expr : Iir) return O_Enode is begin case Get_Kind (Expr) is when Iir_Kind_Range_Expression => return Translate_Range_Expression_Length (Expr); when Iir_Kind_Range_Array_Attribute => return Chap14.Translate_Length_Array_Attribute (Expr, Null_Iir); when others => Error_Kind ("translate_range_length", Expr); end case; end Translate_Range_Length; function Translate_Operator_Function_Call (Imp : Iir; Left : Iir; Right : Iir; Res_Type : Iir) return O_Enode is function Create_Assoc (Actual : Iir; Formal : Iir) return Iir is R : Iir; begin R := Create_Iir (Iir_Kind_Association_Element_By_Expression); Location_Copy (R, Actual); Set_Actual (R, Actual); Set_Formal (R, Formal); return R; end Create_Assoc; Inter : Iir; El_L : Iir; El_R : Iir; Res : O_Enode; begin Inter := Get_Interface_Declaration_Chain (Imp); El_L := Create_Assoc (Left, Inter); if Right /= Null_Iir then Inter := Get_Chain (Inter); El_R := Create_Assoc (Right, Inter); Set_Chain (El_L, El_R); end if; Res := Chap8.Translate_Subprogram_Call (Imp, El_L, Null_Iir); Free_Iir (El_L); if Right /= Null_Iir then Free_Iir (El_R); end if; return Translate_Implicit_Conv (Res, Get_Return_Type (Imp), Res_Type, Mode_Value, Left); end Translate_Operator_Function_Call; function Convert_Constrained_To_Unconstrained (Expr : Mnode; Res_Type : Iir) return Mnode is Type_Info : constant Type_Info_Acc := Get_Info (Res_Type); Kind : constant Object_Kind_Type := Get_Object_Kind (Expr); Stable_Expr : Mnode; Res : Mnode; begin Res := Create_Temp (Type_Info, Kind); Stable_Expr := Stabilize (Expr); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), New_Convert_Ov (M2Addr (Chap3.Get_Array_Base (Stable_Expr)), Type_Info.T.Base_Ptr_Type (Kind))); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), M2Addr (Chap3.Get_Array_Bounds (Stable_Expr))); return Res; end Convert_Constrained_To_Unconstrained; function Convert_Array_To_Thin_Array (Expr : Mnode; Expr_Type : Iir; Atype : Iir; Loc : Iir) return Mnode is Expr_Indexes : constant Iir_List := Get_Index_Subtype_List (Expr_Type); Expr_Stable : Mnode; Success_Label : O_Snode; Failure_Label : O_Snode; begin Expr_Stable := Stabilize (Expr); Open_Temp; -- Check each dimension. Start_Loop_Stmt (Success_Label); Start_Loop_Stmt (Failure_Label); for I in 1 .. Get_Nbr_Elements (Expr_Indexes) loop Gen_Exit_When (Failure_Label, New_Compare_Op (ON_Neq, Chap6.Get_Array_Bound_Length (Expr_Stable, Expr_Type, I), Chap6.Get_Array_Bound_Length (T2M (Atype, Get_Object_Kind (Expr_Stable)), Atype, I), Ghdl_Bool_Type)); end loop; New_Exit_Stmt (Success_Label); Finish_Loop_Stmt (Failure_Label); Chap6.Gen_Bound_Error (Loc); Finish_Loop_Stmt (Success_Label); Close_Temp; return Chap3.Get_Array_Base (Expr_Stable); end Convert_Array_To_Thin_Array; function Translate_Implicit_Array_Conversion (Expr : Mnode; Expr_Type : Iir; Res_Type : Iir; Loc : Iir) return Mnode is Ainfo : Type_Info_Acc; Einfo : Type_Info_Acc; begin pragma Assert (Get_Kind (Expr_Type) in Iir_Kinds_Array_Type_Definition); if Res_Type = Expr_Type then return Expr; end if; Ainfo := Get_Info (Res_Type); Einfo := Get_Info (Expr_Type); case Ainfo.Type_Mode is when Type_Mode_Fat_Array => -- X to unconstrained. case Einfo.Type_Mode is when Type_Mode_Fat_Array => -- unconstrained to unconstrained. return Expr; when Type_Mode_Array => -- constrained to unconstrained. return Convert_Constrained_To_Unconstrained (Expr, Res_Type); when others => raise Internal_Error; end case; when Type_Mode_Array => -- X to constrained. if Einfo.Type_Locally_Constrained and then Ainfo.Type_Locally_Constrained then -- FIXME: optimize static vs non-static -- constrained to constrained. if not Chap3.Locally_Array_Match (Expr_Type, Res_Type) then -- FIXME: generate a bound error ? -- Even if this is caught at compile-time, -- the code is not required to run. Chap6.Gen_Bound_Error (Loc); end if; return Expr; else -- Unbounded/bounded array to bounded array. return Convert_Array_To_Thin_Array (Expr, Expr_Type, Res_Type, Loc); end if; when others => raise Internal_Error; end case; end Translate_Implicit_Array_Conversion; -- Convert (if necessary) EXPR translated from EXPR_ORIG to type ATYPE. function Translate_Implicit_Conv (Expr : O_Enode; Expr_Type : Iir; Atype : Iir; Is_Sig : Object_Kind_Type; Loc : Iir) return O_Enode is begin -- Same type: nothing to do. if Atype = Expr_Type then return Expr; end if; if Expr_Type = Universal_Integer_Type_Definition then return New_Convert_Ov (Expr, Get_Ortho_Type (Atype, Mode_Value)); elsif Expr_Type = Universal_Real_Type_Definition then return New_Convert_Ov (Expr, Get_Ortho_Type (Atype, Mode_Value)); elsif Get_Kind (Expr_Type) in Iir_Kinds_Array_Type_Definition then return M2E (Translate_Implicit_Array_Conversion (E2M (Expr, Get_Info (Expr_Type), Is_Sig), Expr_Type, Atype, Loc)); else return Expr; end if; end Translate_Implicit_Conv; type Predefined_To_Onop_Type is array (Iir_Predefined_Functions) of ON_Op_Kind; Predefined_To_Onop : constant Predefined_To_Onop_Type := (Iir_Predefined_Boolean_Or => ON_Or, Iir_Predefined_Boolean_Not => ON_Not, Iir_Predefined_Boolean_And => ON_And, Iir_Predefined_Boolean_Xor => ON_Xor, Iir_Predefined_Bit_Not => ON_Not, Iir_Predefined_Bit_And => ON_And, Iir_Predefined_Bit_Or => ON_Or, Iir_Predefined_Bit_Xor => ON_Xor, Iir_Predefined_Integer_Equality => ON_Eq, Iir_Predefined_Integer_Inequality => ON_Neq, Iir_Predefined_Integer_Less_Equal => ON_Le, Iir_Predefined_Integer_Less => ON_Lt, Iir_Predefined_Integer_Greater => ON_Gt, Iir_Predefined_Integer_Greater_Equal => ON_Ge, Iir_Predefined_Integer_Plus => ON_Add_Ov, Iir_Predefined_Integer_Minus => ON_Sub_Ov, Iir_Predefined_Integer_Mul => ON_Mul_Ov, Iir_Predefined_Integer_Rem => ON_Rem_Ov, Iir_Predefined_Integer_Mod => ON_Mod_Ov, Iir_Predefined_Integer_Div => ON_Div_Ov, Iir_Predefined_Integer_Absolute => ON_Abs_Ov, Iir_Predefined_Integer_Negation => ON_Neg_Ov, Iir_Predefined_Enum_Equality => ON_Eq, Iir_Predefined_Enum_Inequality => ON_Neq, Iir_Predefined_Enum_Greater_Equal => ON_Ge, Iir_Predefined_Enum_Greater => ON_Gt, Iir_Predefined_Enum_Less => ON_Lt, Iir_Predefined_Enum_Less_Equal => ON_Le, Iir_Predefined_Physical_Equality => ON_Eq, Iir_Predefined_Physical_Inequality => ON_Neq, Iir_Predefined_Physical_Less => ON_Lt, Iir_Predefined_Physical_Less_Equal => ON_Le, Iir_Predefined_Physical_Greater => ON_Gt, Iir_Predefined_Physical_Greater_Equal => ON_Ge, Iir_Predefined_Physical_Negation => ON_Neg_Ov, Iir_Predefined_Physical_Absolute => ON_Abs_Ov, Iir_Predefined_Physical_Minus => ON_Sub_Ov, Iir_Predefined_Physical_Plus => ON_Add_Ov, Iir_Predefined_Floating_Greater => ON_Gt, Iir_Predefined_Floating_Greater_Equal => ON_Ge, Iir_Predefined_Floating_Less => ON_Lt, Iir_Predefined_Floating_Less_Equal => ON_Le, Iir_Predefined_Floating_Equality => ON_Eq, Iir_Predefined_Floating_Inequality => ON_Neq, Iir_Predefined_Floating_Minus => ON_Sub_Ov, Iir_Predefined_Floating_Plus => ON_Add_Ov, Iir_Predefined_Floating_Mul => ON_Mul_Ov, Iir_Predefined_Floating_Div => ON_Div_Ov, Iir_Predefined_Floating_Negation => ON_Neg_Ov, Iir_Predefined_Floating_Absolute => ON_Abs_Ov, others => ON_Nil); function Translate_Shortcut_Operator (Imp : Iir_Function_Declaration; Left, Right : Iir) return O_Enode is Rtype : Iir; Res : O_Dnode; Res_Type : O_Tnode; If_Blk : O_If_Block; Val : Integer; V : O_Cnode; Kind : Iir_Predefined_Functions; Invert : Boolean; begin Rtype := Get_Return_Type (Imp); Res_Type := Get_Ortho_Type (Rtype, Mode_Value); Res := Create_Temp (Res_Type); Open_Temp; New_Assign_Stmt (New_Obj (Res), Chap7.Translate_Expression (Left)); Close_Temp; Kind := Get_Implicit_Definition (Imp); -- Short cut: RIGHT is the result (and must be evaluated) iff -- LEFT is equal to VAL (ie '0' or false for 0, '1' or true for 1). case Kind is when Iir_Predefined_Bit_And | Iir_Predefined_Boolean_And => Invert := False; Val := 1; when Iir_Predefined_Bit_Nand | Iir_Predefined_Boolean_Nand => Invert := True; Val := 1; when Iir_Predefined_Bit_Or | Iir_Predefined_Boolean_Or => Invert := False; Val := 0; when Iir_Predefined_Bit_Nor | Iir_Predefined_Boolean_Nor => Invert := True; Val := 0; when others => Ada.Text_IO.Put_Line ("translate_shortcut_operator: cannot handle " & Iir_Predefined_Functions'Image (Kind)); raise Internal_Error; end case; V := Get_Ortho_Expr (Get_Nth_Element (Get_Enumeration_Literal_List (Rtype), Val)); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, New_Obj_Value (Res), New_Lit (V), Ghdl_Bool_Type)); Open_Temp; New_Assign_Stmt (New_Obj (Res), Chap7.Translate_Expression (Right)); Close_Temp; Finish_If_Stmt (If_Blk); if Invert then return New_Monadic_Op (ON_Not, New_Obj_Value (Res)); else return New_Obj_Value (Res); end if; end Translate_Shortcut_Operator; function Translate_Lib_Operator (Left, Right : O_Enode; Func : O_Dnode) return O_Enode is Constr : O_Assoc_List; begin Start_Association (Constr, Func); New_Association (Constr, Left); if Right /= O_Enode_Null then New_Association (Constr, Right); end if; return New_Function_Call (Constr); end Translate_Lib_Operator; function Translate_Predefined_Lib_Operator (Left, Right : O_Enode; Func : Iir_Function_Declaration) return O_Enode is Info : constant Subprg_Info_Acc := Get_Info (Func); Constr : O_Assoc_List; begin Start_Association (Constr, Info.Ortho_Func); Subprgs.Add_Subprg_Instance_Assoc (Constr, Info.Subprg_Instance); New_Association (Constr, Left); if Right /= O_Enode_Null then New_Association (Constr, Right); end if; return New_Function_Call (Constr); end Translate_Predefined_Lib_Operator; function Translate_Predefined_Array_Operator (Left, Right : O_Enode; Func : Iir) return O_Enode is Info : constant Type_Info_Acc := Get_Info (Get_Return_Type (Func)); Func_Info : constant Subprg_Info_Acc := Get_Info (Func); Res : O_Dnode; Constr : O_Assoc_List; begin Create_Temp_Stack2_Mark; Res := Create_Temp (Info.Ortho_Type (Mode_Value)); Start_Association (Constr, Func_Info.Ortho_Func); Subprgs.Add_Subprg_Instance_Assoc (Constr, Func_Info.Subprg_Instance); New_Association (Constr, New_Address (New_Obj (Res), Info.Ortho_Ptr_Type (Mode_Value))); New_Association (Constr, Left); if Right /= O_Enode_Null then New_Association (Constr, Right); end if; New_Procedure_Call (Constr); return New_Address (New_Obj (Res), Info.Ortho_Ptr_Type (Mode_Value)); end Translate_Predefined_Array_Operator; function Translate_Predefined_Array_Operator_Convert (Left, Right : O_Enode; Func : Iir; Res_Type : Iir) return O_Enode is Ret_Type : constant Iir := Get_Return_Type (Func); Res : O_Enode; begin Res := Translate_Predefined_Array_Operator (Left, Right, Func); return Translate_Implicit_Conv (Res, Ret_Type, Res_Type, Mode_Value, Func); end Translate_Predefined_Array_Operator_Convert; -- A somewhat complex operation... -- -- Previously, concatenation was handled like any other operator. This -- is not efficient as for a serie of concatenation (like A & B & C & D), -- this resulted in O(n**2) copies. The current implementation handles -- many concatenations in a raw. function Translate_Concatenation (Concat_Imp : Iir; Left, Right : Iir; Res_Type : Iir) return O_Enode is Expr_Type : constant Iir := Get_Return_Type (Concat_Imp); Index_Type : constant Iir := Get_Index_Type (Expr_Type, 0); Info : constant Type_Info_Acc := Get_Info (Expr_Type); Static_Length : Iir_Int64 := 0; Nbr_Dyn_Expr : Natural := 0; type Handle_Acc is access procedure (E : Iir); type Handlers_Type is record Handle_El : Handle_Acc; Handle_Arr : Handle_Acc; end record; -- Call handlers for each leaf of LEFT CONCAT_IMP RIGHT. -- Handlers.Handle_Arr is called for array leaves, and -- Handlers.Handle_El for element leaves. procedure Walk (Handlers : Handlers_Type) is Walk_Handlers : Handlers_Type; -- Call handlers for each leaf of L IMP R. procedure Walk_Concat (Imp : Iir; L, R : Iir); -- Call handlers for each leaf of E (an array expression). First -- check wether E is also a concatenation. procedure Walk_Arr (E : Iir) is Imp : Iir; Assocs : Iir; begin if Get_Kind (E) = Iir_Kind_Concatenation_Operator then Imp := Get_Implementation (E); if (Get_Implicit_Definition (Imp) in Iir_Predefined_Concat_Functions) and then Get_Return_Type (Imp) = Expr_Type then Walk_Concat (Imp, Get_Left (E), Get_Right (E)); return; end if; elsif Get_Kind (E) = Iir_Kind_Function_Call then -- Also handle "&" (A, B) -- Note that associations are always 'simple': no formal, no -- default expression in implicit declarations. Imp := Get_Implementation (E); if (Get_Implicit_Definition (Imp) in Iir_Predefined_Concat_Functions) and then Get_Return_Type (Imp) = Expr_Type then Assocs := Get_Parameter_Association_Chain (E); Walk_Concat (Imp, Get_Actual (Assocs), Get_Actual (Get_Chain (Assocs))); return; end if; end if; Walk_Handlers.Handle_Arr (E); end Walk_Arr; procedure Walk_Concat (Imp : Iir; L, R : Iir) is begin case Get_Implicit_Definition (Imp) is when Iir_Predefined_Array_Array_Concat => Walk_Arr (L); Walk_Arr (R); when Iir_Predefined_Array_Element_Concat => Walk_Arr (L); Walk_Handlers.Handle_El (R); when Iir_Predefined_Element_Array_Concat => Walk_Handlers.Handle_El (L); Walk_Arr (R); when Iir_Predefined_Element_Element_Concat => Walk_Handlers.Handle_El (L); Walk_Handlers.Handle_El (R); when others => raise Internal_Error; end case; end Walk_Concat; begin Walk_Handlers := Handlers; Walk_Concat (Concat_Imp, Left, Right); end Walk; -- Return TRUE if the bounds of E are known at analysis time. function Is_Static_Arr (E : Iir) return Boolean is Etype : constant Iir := Get_Type (E); begin pragma Assert (Get_Base_Type (Etype) = Expr_Type); return Is_Fully_Constrained_Type (Etype) and then Get_Type_Staticness (Get_Index_Type (Etype, 0)) = Locally; end Is_Static_Arr; -- Pre_Walk: compute known static length and number of dynamic arrays. procedure Pre_Walk_El (E : Iir) is pragma Unreferenced (E); begin Static_Length := Static_Length + 1; end Pre_Walk_El; procedure Pre_Walk_Arr (E : Iir) is Idx_Type : Iir; begin -- Three possibilities: -- * type is fully constrained, range is static, length is known -- * type is fully constrained, range is not static, length isn't -- * type is not constrained if Is_Static_Arr (E) then Idx_Type := Get_Index_Type (Get_Type (E), 0); Static_Length := Static_Length + Eval_Discrete_Range_Length (Get_Range_Constraint (Idx_Type)); else Nbr_Dyn_Expr := Nbr_Dyn_Expr + 1; end if; end Pre_Walk_Arr; -- In order to declare Dyn_Mnodes (below), create a function that can -- be called now (not possible with procedures). function Call_Pre_Walk return Natural is begin Walk ((Pre_Walk_El'Access, Pre_Walk_Arr'Access)); return Nbr_Dyn_Expr; end Call_Pre_Walk; -- Compute now the number of dynamic expressions. Nbr_Dyn_Expr1 : constant Natural := Call_Pre_Walk; pragma Assert (Nbr_Dyn_Expr1 = Nbr_Dyn_Expr); Var_Bounds : Mnode; Arr_Ptr : O_Dnode; Var_Arr : Mnode; Var_Length : O_Dnode; Var_Res : O_Dnode; Res : Mnode; -- Common subexpression: get the range of the result as a Mnode. function Get_Res_Range return Mnode is begin return Chap3.Bounds_To_Range (Var_Bounds, Expr_Type, 1); end Get_Res_Range; type Mnode_Array is array (1 .. Nbr_Dyn_Expr) of Mnode; Dyn_Mnodes : Mnode_Array; Dyn_I : Natural; E_Length : O_Enode; procedure Nil_El (E : Iir) is begin null; end Nil_El; -- Evaluate a dynamic parameter. procedure Eval_Dyn_Arr (E : Iir) is E_Val : O_Enode; begin if not Is_Static_Arr (E) then Dyn_I := Dyn_I + 1; -- First, translate expression. E_Val := Translate_Expression (E, Expr_Type); -- Then create Mnode (type info may be computed by -- translate_expression). Dyn_Mnodes (Dyn_I) := Stabilize (E2M (E_Val, Get_Info (Expr_Type), Mode_Value)); end if; end Eval_Dyn_Arr; -- Add contribution to length of result from a dynamic parameter. procedure Len_Dyn_Arr (E : Iir) is Elen : O_Enode; begin if not Is_Static_Arr (E) then Dyn_I := Dyn_I + 1; Elen := Chap3.Get_Array_Length (Dyn_Mnodes (Dyn_I), Get_Type (E)); if E_Length = O_Enode_Null then E_Length := Elen; else E_Length := New_Dyadic_Op (ON_Add_Ov, E_Length, Elen); end if; end if; end Len_Dyn_Arr; -- Offset in the result. Var_Off : O_Dnode; -- Assign: write values to the result array. procedure Assign_El (E : Iir) is begin Chap3.Translate_Object_Copy (Chap3.Index_Base (Var_Arr, Expr_Type, New_Obj_Value (Var_Off)), Translate_Expression (E), Get_Type (E)); Inc_Var (Var_Off); end Assign_El; procedure Assign_Arr (E : Iir) is E_Val : O_Enode; M : Mnode; V_Arr : O_Dnode; Var_Sub_Arr : Mnode; begin Open_Temp; if Is_Static_Arr (E) then -- First, translate expression. E_Val := Translate_Expression (E, Expr_Type); -- Then create Mnode (type info may be computed by -- translate_expression). M := E2M (E_Val, Get_Info (Expr_Type), Mode_Value); Stabilize (M); else Dyn_I := Dyn_I + 1; M := Dyn_Mnodes (Dyn_I); end if; -- Create a slice of the result V_Arr := Create_Temp (Info.Ortho_Type (Mode_Value)); Var_Sub_Arr := Dv2M (V_Arr, Info, Mode_Value); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Var_Sub_Arr)), M2Addr (Chap3.Get_Array_Bounds (M))); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Var_Sub_Arr)), M2Addr (Chap3.Slice_Base (Var_Arr, Expr_Type, New_Obj_Value (Var_Off)))); -- Copy Chap3.Translate_Object_Copy (Var_Sub_Arr, M2E (M), Expr_Type); -- Increase offset New_Assign_Stmt (New_Obj (Var_Off), New_Dyadic_Op (ON_Add_Ov, New_Obj_Value (Var_Off), Chap3.Get_Array_Length (M, Expr_Type))); Close_Temp; end Assign_Arr; -- Find last expression. This is used to get the bounds in the case of -- a null-range result. Last_Expr : Iir; Last_Dyn_Expr : Natural; procedure Find_Last_Arr (E : Iir) is begin Last_Expr := E; if Is_Static_Arr (E) then Last_Dyn_Expr := 0; else Dyn_I := Dyn_I + 1; Last_Dyn_Expr := Dyn_I; end if; end Find_Last_Arr; -- Copy Left and Dir from SRC to the result. Used for v87. procedure Copy_Bounds_V87 (Src : Mnode) is Src1 : Mnode; begin Open_Temp; Src1 := Stabilize (Src); New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Get_Res_Range)), M2E (Chap3.Range_To_Left (Src1))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Get_Res_Range)), M2E (Chap3.Range_To_Dir (Src1))); Close_Temp; end Copy_Bounds_V87; -- Vhdl 87 bounds: find the first non-null expression and assign -- left and dir to the result. Assign_Bounds_V87_Done : Boolean; type O_If_Block_Array is array (1 .. Nbr_Dyn_Expr * Boolean'Pos (Flags.Vhdl_Std = Vhdl_87)) of O_If_Block; Assign_Bounds_Ifs : O_If_Block_Array; procedure Assign_Bounds_El_V87 (E : Iir) is pragma Unreferenced (E); begin if Assign_Bounds_V87_Done then return; end if; Copy_Bounds_V87 (Chap3.Type_To_Range (Get_Index_Type (Expr_Type, 0))); Assign_Bounds_V87_Done := True; end Assign_Bounds_El_V87; procedure Assign_Bounds_Arr_V87 (E : Iir) is Idx_Rng : Iir; begin if Assign_Bounds_V87_Done then return; end if; if Is_Static_Arr (E) then Idx_Rng := Get_Range_Constraint (Get_Index_Type (Get_Type (E), 0)); if Eval_Discrete_Range_Length (Idx_Rng) = 0 then return; end if; New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Get_Res_Range)), New_Lit (Translate_Static_Range_Left (Idx_Rng, Index_Type))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Get_Res_Range)), New_Lit (Translate_Static_Range_Dir (Idx_Rng))); Assign_Bounds_V87_Done := True; else Dyn_I := Dyn_I + 1; Start_If_Stmt (Assign_Bounds_Ifs (Dyn_I), New_Compare_Op (ON_Neq, Chap3.Get_Array_Length (Dyn_Mnodes (Dyn_I), Expr_Type), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); Copy_Bounds_V87 (Chap3.Bounds_To_Range (Chap3.Get_Array_Bounds (Dyn_Mnodes (Dyn_I)), Expr_Type, 1)); New_Else_Stmt (Assign_Bounds_Ifs (Dyn_I)); end if; end Assign_Bounds_Arr_V87; begin -- Bounds Var_Bounds := Dv2M (Create_Temp (Info.T.Bounds_Type), Info, Mode_Value, Info.T.Bounds_Type, Info.T.Bounds_Ptr_Type); -- Base Arr_Ptr := Create_Temp (Info.T.Base_Ptr_Type (Mode_Value)); Var_Arr := Dp2M (Arr_Ptr, Info, Mode_Value, Info.T.Base_Type (Mode_Value), Info.T.Base_Ptr_Type (Mode_Value)); -- Result Var_Res := Create_Temp (Info.Ortho_Type (Mode_Value)); Res := Dv2M (Var_Res, Info, Mode_Value); -- Set result bounds. New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), M2Addr (Var_Bounds)); -- Evaluate all dynamic expressions Dyn_I := 0; Walk ((Nil_El'Access, Eval_Dyn_Arr'Access)); -- Check that all dynamic expressions have been handled. pragma Assert (Dyn_I = Dyn_Mnodes'Last); -- Compute length if Static_Length /= 0 then E_Length := New_Lit (New_Index_Lit (Unsigned_64 (Static_Length))); else E_Length := O_Enode_Null; end if; Dyn_I := 0; Walk ((Nil_El'Access, Len_Dyn_Arr'Access)); pragma Assert (Dyn_I = Dyn_Mnodes'Last); pragma Assert (E_Length /= O_Enode_Null); Var_Length := Create_Temp_Init (Ghdl_Index_Type, E_Length); -- Compute bounds. declare If_Blk : O_If_Block; begin if Static_Length = 0 then -- The result may have null bounds. Note: we haven't optimize -- the case when the result is known to have null bounds. Start_If_Stmt (If_Blk, New_Compare_Op (ON_Neq, New_Obj_Value (Var_Length), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); end if; -- For a non-null bounds result. if Flags.Vhdl_Std > Vhdl_87 or Flag_Relaxed_Rules then -- Vhdl 93 case: lean and simple. Chap3.Create_Range_From_Length (Index_Type, Var_Length, Get_Res_Range, Left); else -- Vhdl 87 rules are error-prone and not very efficient: -- LRM87 7.2.4 -- The left bound of this result is the left bound of the left -- operand, unless the left operand is a null array, in which -- case the result of the concatenation is the right operand. -- The direction of the result is the direction of the left -- operand, unless the left operand is a null array, in which -- case the direction of the result is that of the right operand. -- Assign length. New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Get_Res_Range)), New_Obj_Value (Var_Length)); -- Left and direction are copied from the first expressions with -- non-null range. Dyn_I := 0; Assign_Bounds_V87_Done := False; Walk ((Assign_Bounds_El_V87'Access, Assign_Bounds_Arr_V87'Access)); for I in reverse 1 .. Dyn_I loop Finish_If_Stmt (Assign_Bounds_Ifs (I)); end loop; -- Set right bound. declare Idx_Info : constant Type_Info_Acc := Get_Info (Index_Type); Idx_Otype : constant O_Tnode := Idx_Info.Ortho_Type (Mode_Value); Var_Length1 : O_Dnode; Var_Right : O_Dnode; If_Blk2 : O_If_Block; begin Open_Temp; Var_Length1 := Create_Temp (Ghdl_Index_Type); Var_Right := Create_Temp (Idx_Otype); -- Note this substraction cannot overflow, since LENGTH >= 1. New_Assign_Stmt (New_Obj (Var_Length1), New_Dyadic_Op (ON_Sub_Ov, New_Obj_Value (Var_Length), New_Lit (Ghdl_Index_1))); -- Compute right bound of result: -- if dir = dir_to then -- right := left + length_1; -- else -- right := left - length_1; -- end if; Start_If_Stmt (If_Blk2, New_Compare_Op (ON_Eq, M2E (Chap3.Range_To_Dir (Get_Res_Range)), New_Lit (Ghdl_Dir_To_Node), Ghdl_Bool_Type)); New_Assign_Stmt (New_Obj (Var_Right), New_Dyadic_Op (ON_Add_Ov, M2E (Chap3.Range_To_Left (Get_Res_Range)), New_Convert_Ov (New_Obj_Value (Var_Length1), Idx_Otype))); New_Else_Stmt (If_Blk2); New_Assign_Stmt (New_Obj (Var_Right), New_Dyadic_Op (ON_Sub_Ov, M2E (Chap3.Range_To_Left (Get_Res_Range)), New_Convert_Ov (New_Obj_Value (Var_Length1), Idx_Otype))); Finish_If_Stmt (If_Blk2); -- Check the right bounds is inside the bounds of the -- index type. Chap3.Check_Range (Var_Right, Null_Iir, Index_Type, Left); New_Assign_Stmt (M2Lv (Chap3.Range_To_Right (Get_Res_Range)), New_Obj_Value (Var_Right)); Close_Temp; end; end if; if Static_Length = 0 then New_Else_Stmt (If_Blk); -- For a null bound result. Same rules for v87 and v93. -- Find last expression. Last_Expr := Null_Iir; Last_Dyn_Expr := 0; Dyn_I := 0; Walk ((Nil_El'Access, Find_Last_Arr'Access)); pragma Assert (Dyn_I = Dyn_Mnodes'Last); if Last_Dyn_Expr = 0 then -- The last expression is not dynamic. Translate_Discrete_Range (Get_Res_Range, Get_Index_Type (Get_Type (Last_Expr), 0)); else Copy_Range (Get_Res_Range, Chap3.Bounds_To_Range (Chap3.Get_Array_Bounds (Dyn_Mnodes (Last_Dyn_Expr)), Expr_Type, 1)); end if; Finish_If_Stmt (If_Blk); end if; end; -- Allocate result. New_Assign_Stmt (New_Obj (Arr_Ptr), Gen_Alloc (Alloc_Stack, Chap3.Get_Object_Size (Res, Expr_Type), Info.T.Base_Ptr_Type (Mode_Value))); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), M2Addr (Var_Arr)); -- Assign expressions Open_Temp; Var_Off := Create_Temp_Init (Ghdl_Index_Type, New_Lit (Ghdl_Index_0)); Dyn_I := 0; Walk ((Assign_El'Access, Assign_Arr'Access)); pragma Assert (Dyn_I = Dyn_Mnodes'Last); Close_Temp; return Translate_Implicit_Conv (M2E (Res), Expr_Type, Res_Type, Mode_Value, Left); end Translate_Concatenation; function Translate_Scalar_Min_Max (Op : ON_Op_Kind; Left, Right : Iir; Res_Type : Iir) return O_Enode is Res_Otype : constant O_Tnode := Get_Ortho_Type (Res_Type, Mode_Value); Res, L, R : O_Dnode; If_Blk : O_If_Block; begin -- Create a variable for the result. Res := Create_Temp (Res_Otype); Open_Temp; L := Create_Temp_Init (Res_Otype, Translate_Expression (Left, Res_Type)); R := Create_Temp_Init (Res_Otype, Translate_Expression (Right, Res_Type)); Start_If_Stmt (If_Blk, New_Compare_Op (Op, New_Obj_Value (L), New_Obj_Value (R), Ghdl_Bool_Type)); New_Assign_Stmt (New_Obj (Res), New_Obj_Value (L)); New_Else_Stmt (If_Blk); New_Assign_Stmt (New_Obj (Res), New_Obj_Value (R)); Finish_If_Stmt (If_Blk); Close_Temp; return New_Obj_Value (Res); end Translate_Scalar_Min_Max; function Translate_Predefined_Vector_Min_Max (Is_Min : Boolean; Left : Iir; Res_Type : Iir) return O_Enode is Res_Otype : constant O_Tnode := Get_Ortho_Type (Res_Type, Mode_Value); Left_Type : constant Iir := Get_Type (Left); Res, El, Len : O_Dnode; Arr : Mnode; If_Blk : O_If_Block; Label : O_Snode; Op : ON_Op_Kind; begin -- Create a variable for the result. Res := Create_Temp (Res_Otype); Open_Temp; if Is_Min then Op := ON_Lt; else Op := ON_Gt; end if; New_Assign_Stmt (New_Obj (Res), Chap14.Translate_High_Low_Type_Attribute (Res_Type, Is_Min)); El := Create_Temp (Res_Otype); Arr := Stabilize (E2M (Translate_Expression (Left), Get_Info (Left_Type), Mode_Value)); Len := Create_Temp_Init (Ghdl_Index_Type, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (Arr, Left_Type, 1)))); -- Create: -- loop -- exit when LEN = 0; -- LEN := LEN - 1; -- if ARR[LEN] RES then -- RES := ARR[LEN]; -- end if; -- end loop; Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Len), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); Dec_Var (Len); New_Assign_Stmt (New_Obj (El), M2E (Chap3.Index_Base (Chap3.Get_Array_Base (Arr), Left_Type, New_Obj_Value (Len)))); Start_If_Stmt (If_Blk, New_Compare_Op (Op, New_Obj_Value (El), New_Obj_Value (Res), Ghdl_Bool_Type)); New_Assign_Stmt (New_Obj (Res), New_Obj_Value (El)); Finish_If_Stmt (If_Blk); Finish_Loop_Stmt (Label); Close_Temp; return New_Obj_Value (Res); end Translate_Predefined_Vector_Min_Max; function Translate_Std_Ulogic_Match (Func : O_Dnode; L, R : O_Enode; Res_Type : O_Tnode) return O_Enode is Constr : O_Assoc_List; begin Start_Association (Constr, Func); New_Association (Constr, New_Convert_Ov (L, Ghdl_I32_Type)); New_Association (Constr, New_Convert_Ov (R, Ghdl_I32_Type)); return New_Convert_Ov (New_Function_Call (Constr), Res_Type); end Translate_Std_Ulogic_Match; function Translate_To_String (Subprg : O_Dnode; Res_Type : Iir; Loc : Iir; Val : O_Enode; Arg2 : O_Enode := O_Enode_Null; Arg3 : O_Enode := O_Enode_Null) return O_Enode is Val_Type : constant Iir := Get_Base_Type (Res_Type); Res : O_Dnode; Assoc : O_Assoc_List; begin Res := Create_Temp (Std_String_Node); Create_Temp_Stack2_Mark; Start_Association (Assoc, Subprg); New_Association (Assoc, New_Address (New_Obj (Res), Std_String_Ptr_Node)); New_Association (Assoc, Val); if Arg2 /= O_Enode_Null then New_Association (Assoc, Arg2); if Arg3 /= O_Enode_Null then New_Association (Assoc, Arg3); end if; end if; New_Procedure_Call (Assoc); return M2E (Translate_Implicit_Array_Conversion (Dv2M (Res, Get_Info (Val_Type), Mode_Value), Val_Type, Res_Type, Loc)); end Translate_To_String; function Translate_Bv_To_String (Subprg : O_Dnode; Val : O_Enode; Val_Type : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Arr : Mnode; begin Arr := Stabilize (E2M (Val, Get_Info (Val_Type), Mode_Value)); return Translate_To_String (Subprg, Res_Type, Loc, M2E (Chap3.Get_Array_Base (Arr)), M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (Arr, Val_Type, 1)))); end Translate_Bv_To_String; subtype Predefined_Boolean_Logical is Iir_Predefined_Functions range Iir_Predefined_Boolean_And .. Iir_Predefined_Boolean_Xnor; function Translate_Predefined_Logical (Op : Predefined_Boolean_Logical; Left, Right : O_Enode) return O_Enode is begin case Op is when Iir_Predefined_Boolean_And => return New_Dyadic_Op (ON_And, Left, Right); when Iir_Predefined_Boolean_Or => return New_Dyadic_Op (ON_Or, Left, Right); when Iir_Predefined_Boolean_Nand => return New_Monadic_Op (ON_Not, New_Dyadic_Op (ON_And, Left, Right)); when Iir_Predefined_Boolean_Nor => return New_Monadic_Op (ON_Not, New_Dyadic_Op (ON_Or, Left, Right)); when Iir_Predefined_Boolean_Xor => return New_Dyadic_Op (ON_Xor, Left, Right); when Iir_Predefined_Boolean_Xnor => return New_Monadic_Op (ON_Not, New_Dyadic_Op (ON_Xor, Left, Right)); end case; end Translate_Predefined_Logical; function Translate_Predefined_TF_Array_Element (Op : Predefined_Boolean_Logical; Left, Right : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Arr_Type : constant Iir := Get_Type (Left); Res_Btype : constant Iir := Get_Base_Type (Res_Type); Res_Info : constant Type_Info_Acc := Get_Info (Res_Btype); Base_Ptr_Type : constant O_Tnode := Res_Info.T.Base_Ptr_Type (Mode_Value); Arr : Mnode; El : O_Dnode; Base : O_Dnode; Len : O_Dnode; Label : O_Snode; Res : Mnode; begin -- Translate the array. Arr := Stabilize (E2M (Translate_Expression (Left), Get_Info (Arr_Type), Mode_Value)); -- Extract its length. Len := Create_Temp_Init (Ghdl_Index_Type, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (Arr, Arr_Type, 1)))); -- Allocate the result array. Base := Create_Temp_Init (Base_Ptr_Type, Gen_Alloc (Alloc_Stack, New_Obj_Value (Len), Base_Ptr_Type)); Open_Temp; -- Translate the element. El := Create_Temp_Init (Get_Ortho_Type (Get_Type (Right), Mode_Value), Translate_Expression (Right)); -- Create: -- loop -- exit when LEN = 0; -- LEN := LEN - 1; -- BASE[LEN] := EL op ARR[LEN]; -- end loop; Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Len), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); Dec_Var (Len); New_Assign_Stmt (New_Indexed_Acc_Value (New_Obj (Base), New_Obj_Value (Len)), Translate_Predefined_Logical (Op, New_Obj_Value (El), M2E (Chap3.Index_Base (Chap3.Get_Array_Base (Arr), Arr_Type, New_Obj_Value (Len))))); Finish_Loop_Stmt (Label); Close_Temp; Res := Create_Temp (Res_Info, Mode_Value); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), New_Obj_Value (Base)); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), M2Addr (Chap3.Get_Array_Bounds (Arr))); return Translate_Implicit_Conv (M2E (Res), Res_Btype, Res_Type, Mode_Value, Loc); end Translate_Predefined_TF_Array_Element; function Translate_Predefined_TF_Reduction (Op : ON_Op_Kind; Operand : Iir; Res_Type : Iir) return O_Enode is Arr_Type : constant Iir := Get_Type (Operand); Enums : constant Iir_List := Get_Enumeration_Literal_List (Get_Base_Type (Res_Type)); Init_Enum : Iir; Res : O_Dnode; Arr_Expr : O_Enode; Arr : Mnode; Len : O_Dnode; Label : O_Snode; begin if Op = ON_And then Init_Enum := Get_Nth_Element (Enums, 1); else Init_Enum := Get_Nth_Element (Enums, 0); end if; Res := Create_Temp_Init (Get_Ortho_Type (Res_Type, Mode_Value), New_Lit (Get_Ortho_Expr (Init_Enum))); Open_Temp; -- Translate the array. Note that Translate_Expression may create -- the info for the array type, so be sure to call it before calling -- Get_Info. Arr_Expr := Translate_Expression (Operand); Arr := Stabilize (E2M (Arr_Expr, Get_Info (Arr_Type), Mode_Value)); -- Extract its length. Len := Create_Temp_Init (Ghdl_Index_Type, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (Arr, Arr_Type, 1)))); -- Create: -- loop -- exit when LEN = 0; -- LEN := LEN - 1; -- RES := RES op ARR[LEN]; -- end loop; Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Len), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); Dec_Var (Len); New_Assign_Stmt (New_Obj (Res), New_Dyadic_Op (Op, New_Obj_Value (Res), M2E (Chap3.Index_Base (Chap3.Get_Array_Base (Arr), Arr_Type, New_Obj_Value (Len))))); Finish_Loop_Stmt (Label); Close_Temp; return New_Obj_Value (Res); end Translate_Predefined_TF_Reduction; function Translate_Predefined_Array_Min_Max (Is_Min : Boolean; Left, Right : O_Enode; Left_Type, Right_Type : Iir; Res_Type : Iir; Imp : Iir; Loc : Iir) return O_Enode is Arr_Type : constant Iir := Get_Base_Type (Left_Type); Arr_Info : constant Type_Info_Acc := Get_Info (Arr_Type); L, R : Mnode; If_Blk : O_If_Block; Res : Mnode; begin Res := Create_Temp (Arr_Info, Mode_Value); L := Stabilize (E2M (Left, Get_Info (Left_Type), Mode_Value)); R := Stabilize (E2M (Right, Get_Info (Right_Type), Mode_Value)); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, Translate_Predefined_Lib_Operator (M2E (L), M2E (R), Imp), New_Lit (Ghdl_Compare_Lt), Std_Boolean_Type_Node)); if Is_Min then Copy_Fat_Pointer (Res, Translate_Implicit_Array_Conversion (L, Left_Type, Arr_Type, Loc)); else Copy_Fat_Pointer (Res, Translate_Implicit_Array_Conversion (R, Right_Type, Arr_Type, Loc)); end if; New_Else_Stmt (If_Blk); if Is_Min then Copy_Fat_Pointer (Res, Translate_Implicit_Array_Conversion (R, Right_Type, Arr_Type, Loc)); else Copy_Fat_Pointer (Res, Translate_Implicit_Array_Conversion (L, Left_Type, Arr_Type, Loc)); end if; Finish_If_Stmt (If_Blk); return M2E (Translate_Implicit_Array_Conversion (Res, Arr_Type, Res_Type, Loc)); end Translate_Predefined_Array_Min_Max; function Translate_Predefined_TF_Edge (Is_Rising : Boolean; Left : Iir) return O_Enode is Enums : constant Iir_List := Get_Enumeration_Literal_List (Get_Base_Type (Get_Type (Left))); Name : Mnode; begin Name := Stabilize (Chap6.Translate_Name (Left), True); return New_Dyadic_Op (ON_And, New_Value (Chap14.Get_Signal_Field (Name, Ghdl_Signal_Event_Field)), New_Compare_Op (ON_Eq, New_Value (New_Access_Element (M2E (Name))), New_Lit (Get_Ortho_Expr (Get_Nth_Element (Enums, Boolean'Pos (Is_Rising)))), Std_Boolean_Type_Node)); end Translate_Predefined_TF_Edge; function Translate_Predefined_Std_Ulogic_Array_Match (Subprg : O_Dnode; Left, Right : Iir; Res_Type : Iir) return O_Enode is Res_Otype : constant O_Tnode := Get_Ortho_Type (Res_Type, Mode_Value); L_Type : constant Iir := Get_Type (Left); R_Type : constant Iir := Get_Type (Right); L_Expr, R_Expr : O_Enode; L, R : Mnode; Assoc : O_Assoc_List; Res : O_Dnode; begin Res := Create_Temp (Ghdl_I32_Type); Open_Temp; -- Translate the arrays. Note that Translate_Expression may create -- the info for the array type, so be sure to call it before calling -- Get_Info. L_Expr := Translate_Expression (Left); L := Stabilize (E2M (L_Expr, Get_Info (L_Type), Mode_Value)); R_Expr := Translate_Expression (Right); R := Stabilize (E2M (R_Expr, Get_Info (R_Type), Mode_Value)); Start_Association (Assoc, Subprg); New_Association (Assoc, New_Convert_Ov (M2E (Chap3.Get_Array_Base (L)), Ghdl_Ptr_Type)); New_Association (Assoc, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (L, L_Type, 1)))); New_Association (Assoc, New_Convert_Ov (M2E (Chap3.Get_Array_Base (R)), Ghdl_Ptr_Type)); New_Association (Assoc, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (R, R_Type, 1)))); New_Assign_Stmt (New_Obj (Res), New_Function_Call (Assoc)); Close_Temp; return New_Convert_Ov (New_Obj_Value (Res), Res_Otype); end Translate_Predefined_Std_Ulogic_Array_Match; function Translate_Predefined_Operator (Imp : Iir_Function_Declaration; Left, Right : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Kind : constant Iir_Predefined_Functions := Get_Implicit_Definition (Imp); Left_Tree : O_Enode; Right_Tree : O_Enode; Left_Type : Iir; Right_Type : Iir; Res_Otype : O_Tnode; Op : ON_Op_Kind; Inter : Iir; Res : O_Enode; begin case Kind is when Iir_Predefined_Bit_And | Iir_Predefined_Bit_Or | Iir_Predefined_Bit_Nand | Iir_Predefined_Bit_Nor | Iir_Predefined_Boolean_And | Iir_Predefined_Boolean_Or | Iir_Predefined_Boolean_Nand | Iir_Predefined_Boolean_Nor => -- Right operand of shortcur operators may not be evaluated. return Translate_Shortcut_Operator (Imp, Left, Right); when Iir_Predefined_Array_Array_Concat | Iir_Predefined_Element_Array_Concat | Iir_Predefined_Array_Element_Concat | Iir_Predefined_Element_Element_Concat => return Translate_Concatenation (Imp, Left, Right, Res_Type); -- Operands of min/max are evaluated in a declare block. when Iir_Predefined_Enum_Minimum | Iir_Predefined_Integer_Minimum | Iir_Predefined_Floating_Minimum | Iir_Predefined_Physical_Minimum => return Translate_Scalar_Min_Max (ON_Le, Left, Right, Res_Type); when Iir_Predefined_Enum_Maximum | Iir_Predefined_Integer_Maximum | Iir_Predefined_Floating_Maximum | Iir_Predefined_Physical_Maximum => return Translate_Scalar_Min_Max (ON_Ge, Left, Right, Res_Type); -- Avoid implicit conversion of the array parameters to the -- unbounded type for optimizing purpose. FIXME: should do the -- same for the result. when Iir_Predefined_TF_Array_Element_And => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_And, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_And => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_And, Right, Left, Res_Type, Loc); when Iir_Predefined_TF_Array_Element_Or => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Or, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_Or => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Or, Right, Left, Res_Type, Loc); when Iir_Predefined_TF_Array_Element_Nand => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Nand, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_Nand => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Nand, Right, Left, Res_Type, Loc); when Iir_Predefined_TF_Array_Element_Nor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Nor, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_Nor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Nor, Right, Left, Res_Type, Loc); when Iir_Predefined_TF_Array_Element_Xor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Xor, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_Xor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Xor, Right, Left, Res_Type, Loc); when Iir_Predefined_TF_Array_Element_Xnor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Xnor, Left, Right, Res_Type, Loc); when Iir_Predefined_TF_Element_Array_Xnor => return Translate_Predefined_TF_Array_Element (Iir_Predefined_Boolean_Xnor, Right, Left, Res_Type, Loc); -- Avoid implicit conversion of the array parameters to the -- unbounded type for optimizing purpose. when Iir_Predefined_TF_Reduction_And => return Translate_Predefined_TF_Reduction (ON_And, Left, Res_Type); when Iir_Predefined_TF_Reduction_Or => return Translate_Predefined_TF_Reduction (ON_Or, Left, Res_Type); when Iir_Predefined_TF_Reduction_Nand => return New_Monadic_Op (ON_Not, Translate_Predefined_TF_Reduction (ON_And, Left, Res_Type)); when Iir_Predefined_TF_Reduction_Nor => return New_Monadic_Op (ON_Not, Translate_Predefined_TF_Reduction (ON_Or, Left, Res_Type)); when Iir_Predefined_TF_Reduction_Xor => return Translate_Predefined_TF_Reduction (ON_Xor, Left, Res_Type); when Iir_Predefined_TF_Reduction_Xnor => return New_Monadic_Op (ON_Not, Translate_Predefined_TF_Reduction (ON_Xor, Left, Res_Type)); when Iir_Predefined_Vector_Minimum => return Translate_Predefined_Vector_Min_Max (True, Left, Res_Type); when Iir_Predefined_Vector_Maximum => return Translate_Predefined_Vector_Min_Max (False, Left, Res_Type); when Iir_Predefined_Bit_Rising_Edge | Iir_Predefined_Boolean_Rising_Edge => return Translate_Predefined_TF_Edge (True, Left); when Iir_Predefined_Bit_Falling_Edge | Iir_Predefined_Boolean_Falling_Edge => return Translate_Predefined_TF_Edge (False, Left); when Iir_Predefined_Std_Ulogic_Array_Match_Equality => return Translate_Predefined_Std_Ulogic_Array_Match (Ghdl_Std_Ulogic_Array_Match_Eq, Left, Right, Res_Type); when Iir_Predefined_Std_Ulogic_Array_Match_Inequality => return Translate_Predefined_Std_Ulogic_Array_Match (Ghdl_Std_Ulogic_Array_Match_Ne, Left, Right, Res_Type); when others => null; end case; -- Evaluate parameters. Res_Otype := Get_Ortho_Type (Res_Type, Mode_Value); Inter := Get_Interface_Declaration_Chain (Imp); if Left = Null_Iir then Left_Tree := O_Enode_Null; else Left_Type := Get_Type (Inter); Left_Tree := Translate_Expression (Left, Left_Type); end if; if Right = Null_Iir then Right_Tree := O_Enode_Null; else Right_Type := Get_Type (Get_Chain (Inter)); Right_Tree := Translate_Expression (Right, Right_Type); end if; Op := Predefined_To_Onop (Kind); if Op /= ON_Nil then case Op is when ON_Eq | ON_Neq | ON_Ge | ON_Gt | ON_Le | ON_Lt => Res := New_Compare_Op (Op, Left_Tree, Right_Tree, Std_Boolean_Type_Node); when ON_Add_Ov | ON_Sub_Ov | ON_Mul_Ov | ON_Div_Ov | ON_Rem_Ov | ON_Mod_Ov | ON_Xor => Res := New_Dyadic_Op (Op, Left_Tree, Right_Tree); when ON_Abs_Ov | ON_Neg_Ov | ON_Not => Res := New_Monadic_Op (Op, Left_Tree); when others => Ada.Text_IO.Put_Line ("translate_predefined_operator: cannot handle " & ON_Op_Kind'Image (Op)); raise Internal_Error; end case; Res := Translate_Implicit_Conv (Res, Get_Return_Type (Imp), Res_Type, Mode_Value, Loc); return Res; end if; case Kind is when Iir_Predefined_Bit_Xnor | Iir_Predefined_Boolean_Xnor => return Translate_Predefined_Logical (Iir_Predefined_Boolean_Xnor, Left_Tree, Right_Tree); when Iir_Predefined_Bit_Match_Equality => return New_Compare_Op (ON_Eq, Left_Tree, Right_Tree, Get_Ortho_Type (Res_Type, Mode_Value)); when Iir_Predefined_Bit_Match_Inequality => return New_Compare_Op (ON_Neq, Left_Tree, Right_Tree, Get_Ortho_Type (Res_Type, Mode_Value)); when Iir_Predefined_Bit_Condition => return New_Compare_Op (ON_Eq, Left_Tree, New_Lit (Get_Ortho_Expr (Bit_1)), Std_Boolean_Type_Node); when Iir_Predefined_Integer_Identity | Iir_Predefined_Floating_Identity | Iir_Predefined_Physical_Identity => return Translate_Implicit_Conv (Left_Tree, Left_Type, Res_Type, Mode_Value, Loc); when Iir_Predefined_Access_Equality | Iir_Predefined_Access_Inequality => if Is_Composite (Get_Info (Left_Type)) then -- a fat pointer. declare T : Type_Info_Acc; B : Type_Info_Acc; L, R : O_Dnode; V1, V2 : O_Enode; Op1, Op2 : ON_Op_Kind; begin if Kind = Iir_Predefined_Access_Equality then Op1 := ON_Eq; Op2 := ON_And; else Op1 := ON_Neq; Op2 := ON_Or; end if; T := Get_Info (Left_Type); B := Get_Info (Get_Designated_Type (Left_Type)); L := Create_Temp (T.Ortho_Ptr_Type (Mode_Value)); R := Create_Temp (T.Ortho_Ptr_Type (Mode_Value)); New_Assign_Stmt (New_Obj (L), Left_Tree); New_Assign_Stmt (New_Obj (R), Right_Tree); V1 := New_Compare_Op (Op1, New_Value_Selected_Acc_Value (New_Obj (L), B.T.Base_Field (Mode_Value)), New_Value_Selected_Acc_Value (New_Obj (R), B.T.Base_Field (Mode_Value)), Std_Boolean_Type_Node); V2 := New_Compare_Op (Op1, New_Value_Selected_Acc_Value (New_Obj (L), B.T.Bounds_Field (Mode_Value)), New_Value_Selected_Acc_Value (New_Obj (R), B.T.Bounds_Field (Mode_Value)), Std_Boolean_Type_Node); return New_Dyadic_Op (Op2, V1, V2); end; else -- a thin pointer. if Kind = Iir_Predefined_Access_Equality then return New_Compare_Op (ON_Eq, Left_Tree, Right_Tree, Std_Boolean_Type_Node); else return New_Compare_Op (ON_Neq, Left_Tree, Right_Tree, Std_Boolean_Type_Node); end if; end if; when Iir_Predefined_Physical_Integer_Div => return New_Dyadic_Op (ON_Div_Ov, Left_Tree, New_Convert_Ov (Right_Tree, Res_Otype)); when Iir_Predefined_Physical_Physical_Div => return New_Convert_Ov (New_Dyadic_Op (ON_Div_Ov, Left_Tree, Right_Tree), Res_Otype); -- LRM 7.2.6 -- Multiplication of a value P of a physical type Tp by a -- value I of type INTEGER is equivalent to the following -- computation: Tp'Val (Tp'Pos (P) * I) -- FIXME: this is not what is really done... when Iir_Predefined_Integer_Physical_Mul => return New_Dyadic_Op (ON_Mul_Ov, New_Convert_Ov (Left_Tree, Res_Otype), Right_Tree); when Iir_Predefined_Physical_Integer_Mul => return New_Dyadic_Op (ON_Mul_Ov, Left_Tree, New_Convert_Ov (Right_Tree, Res_Otype)); -- LRM 7.2.6 -- Multiplication of a value P of a physical type Tp by a -- value F of type REAL is equivalten to the following -- computation: Tp'Val (INTEGER (REAL (Tp'Pos (P)) * F)) -- FIXME: we do not restrict with INTEGER. when Iir_Predefined_Physical_Real_Mul => declare Right_Otype : O_Tnode; begin Right_Otype := Get_Ortho_Type (Right_Type, Mode_Value); return New_Convert_Ov (New_Dyadic_Op (ON_Mul_Ov, New_Convert_Ov (Left_Tree, Right_Otype), Right_Tree), Res_Otype); end; when Iir_Predefined_Physical_Real_Div => declare Right_Otype : O_Tnode; begin Right_Otype := Get_Ortho_Type (Right_Type, Mode_Value); return New_Convert_Ov (New_Dyadic_Op (ON_Div_Ov, New_Convert_Ov (Left_Tree, Right_Otype), Right_Tree), Res_Otype); end; when Iir_Predefined_Real_Physical_Mul => declare Left_Otype : O_Tnode; begin Left_Otype := Get_Ortho_Type (Left_Type, Mode_Value); return New_Convert_Ov (New_Dyadic_Op (ON_Mul_Ov, Left_Tree, New_Convert_Ov (Right_Tree, Left_Otype)), Res_Otype); end; when Iir_Predefined_Universal_R_I_Mul => return New_Dyadic_Op (ON_Mul_Ov, Left_Tree, New_Convert_Ov (Right_Tree, Res_Otype)); when Iir_Predefined_Floating_Exp => Res := Translate_Lib_Operator (New_Convert_Ov (Left_Tree, Std_Real_Otype), Right_Tree, Ghdl_Real_Exp); return New_Convert_Ov (Res, Res_Otype); when Iir_Predefined_Integer_Exp => Res := Translate_Lib_Operator (New_Convert_Ov (Left_Tree, Std_Integer_Otype), Right_Tree, Ghdl_Integer_Exp); return New_Convert_Ov (Res, Res_Otype); when Iir_Predefined_Array_Inequality | Iir_Predefined_Record_Inequality => return New_Monadic_Op (ON_Not, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp)); when Iir_Predefined_Array_Equality | Iir_Predefined_Record_Equality => return Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp); when Iir_Predefined_Array_Greater => return New_Compare_Op (ON_Eq, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Ghdl_Compare_Gt), Std_Boolean_Type_Node); when Iir_Predefined_Array_Greater_Equal => return New_Compare_Op (ON_Ge, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Ghdl_Compare_Eq), Std_Boolean_Type_Node); when Iir_Predefined_Array_Less => return New_Compare_Op (ON_Eq, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Ghdl_Compare_Lt), Std_Boolean_Type_Node); when Iir_Predefined_Array_Less_Equal => return New_Compare_Op (ON_Le, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Ghdl_Compare_Eq), Std_Boolean_Type_Node); when Iir_Predefined_TF_Array_And | Iir_Predefined_TF_Array_Or | Iir_Predefined_TF_Array_Nand | Iir_Predefined_TF_Array_Nor | Iir_Predefined_TF_Array_Xor | Iir_Predefined_TF_Array_Xnor | Iir_Predefined_TF_Array_Not | Iir_Predefined_Array_Srl | Iir_Predefined_Array_Sra | Iir_Predefined_Array_Ror => return Translate_Predefined_Array_Operator_Convert (Left_Tree, Right_Tree, Imp, Res_Type); when Iir_Predefined_Array_Sll | Iir_Predefined_Array_Sla | Iir_Predefined_Array_Rol => Right_Tree := New_Monadic_Op (ON_Neg_Ov, Right_Tree); return Translate_Predefined_Array_Operator_Convert (Left_Tree, Right_Tree, Imp, Res_Type); when Iir_Predefined_Array_Array_Concat | Iir_Predefined_Element_Array_Concat | Iir_Predefined_Array_Element_Concat | Iir_Predefined_Element_Element_Concat => raise Internal_Error; when Iir_Predefined_Endfile => return Translate_Lib_Operator (Left_Tree, O_Enode_Null, Ghdl_File_Endfile); when Iir_Predefined_Now_Function => return New_Obj_Value (Ghdl_Now); when Iir_Predefined_Std_Ulogic_Match_Equality => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Eq, Left_Tree, Right_Tree, Res_Otype); when Iir_Predefined_Std_Ulogic_Match_Inequality => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Ne, Left_Tree, Right_Tree, Res_Otype); when Iir_Predefined_Std_Ulogic_Match_Less => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Lt, Left_Tree, Right_Tree, Res_Otype); when Iir_Predefined_Std_Ulogic_Match_Less_Equal => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Le, Left_Tree, Right_Tree, Res_Otype); when Iir_Predefined_Std_Ulogic_Match_Greater => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Lt, Right_Tree, Left_Tree, Res_Otype); when Iir_Predefined_Std_Ulogic_Match_Greater_Equal => return Translate_Std_Ulogic_Match (Ghdl_Std_Ulogic_Match_Le, Right_Tree, Left_Tree, Res_Otype); when Iir_Predefined_Bit_Array_Match_Equality => return New_Compare_Op (ON_Eq, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Std_Boolean_True_Node), Res_Otype); when Iir_Predefined_Bit_Array_Match_Inequality => return New_Compare_Op (ON_Eq, Translate_Predefined_Lib_Operator (Left_Tree, Right_Tree, Imp), New_Lit (Std_Boolean_False_Node), Res_Otype); when Iir_Predefined_Array_Minimum => return Translate_Predefined_Array_Min_Max (True, Left_Tree, Right_Tree, Left_Type, Right_Type, Res_Type, Imp, Loc); when Iir_Predefined_Array_Maximum => return Translate_Predefined_Array_Min_Max (False, Left_Tree, Right_Tree, Left_Type, Right_Type, Res_Type, Imp, Loc); when Iir_Predefined_Integer_To_String => case Get_Info (Left_Type).Type_Mode is when Type_Mode_I32 => return Translate_To_String (Ghdl_To_String_I32, Res_Type, Loc, New_Convert_Ov (Left_Tree, Ghdl_I32_Type)); when Type_Mode_I64 => return Translate_To_String (Ghdl_To_String_I64, Res_Type, Loc, New_Convert_Ov (Left_Tree, Ghdl_I64_Type)); when others => raise Internal_Error; end case; when Iir_Predefined_Enum_To_String => -- LRM08 5.7 String representations -- - For a given value of type CHARACTER, [...] -- -- So special case for character. if Get_Base_Type (Left_Type) = Character_Type_Definition then return Translate_To_String (Ghdl_To_String_Char, Res_Type, Loc, Left_Tree); end if; -- LRM08 5.7 String representations -- - For a given value of type other than CHARACTER, [...] declare Conv : O_Tnode; Subprg : O_Dnode; begin case Get_Info (Left_Type).Type_Mode is when Type_Mode_B1 => Subprg := Ghdl_To_String_B1; Conv := Ghdl_Bool_Type; when Type_Mode_E8 => Subprg := Ghdl_To_String_E8; Conv := Ghdl_I32_Type; when Type_Mode_E32 => Subprg := Ghdl_To_String_E32; Conv := Ghdl_I32_Type; when others => raise Internal_Error; end case; return Translate_To_String (Subprg, Res_Type, Loc, New_Convert_Ov (Left_Tree, Conv), New_Lit (Rtis.New_Rti_Address (Get_Info (Left_Type).Type_Rti))); end; when Iir_Predefined_Floating_To_String => return Translate_To_String (Ghdl_To_String_F64, Res_Type, Loc, New_Convert_Ov (Left_Tree, Ghdl_Real_Type)); when Iir_Predefined_Real_To_String_Digits => return Translate_To_String (Ghdl_To_String_F64_Digits, Res_Type, Loc, New_Convert_Ov (Left_Tree, Ghdl_Real_Type), New_Convert_Ov (Right_Tree, Ghdl_I32_Type)); when Iir_Predefined_Real_To_String_Format => return Translate_To_String (Ghdl_To_String_F64_Format, Res_Type, Loc, New_Convert_Ov (Left_Tree, Ghdl_Real_Type), Right_Tree); when Iir_Predefined_Physical_To_String => declare Conv : O_Tnode; Subprg : O_Dnode; begin case Get_Info (Left_Type).Type_Mode is when Type_Mode_P32 => Subprg := Ghdl_To_String_P32; Conv := Ghdl_I32_Type; when Type_Mode_P64 => Subprg := Ghdl_To_String_P64; Conv := Ghdl_I64_Type; when others => raise Internal_Error; end case; return Translate_To_String (Subprg, Res_Type, Loc, New_Convert_Ov (Left_Tree, Conv), New_Lit (Rtis.New_Rti_Address (Get_Info (Left_Type).Type_Rti))); end; when Iir_Predefined_Time_To_String_Unit => return Translate_To_String (Ghdl_Time_To_String_Unit, Res_Type, Loc, Left_Tree, Right_Tree, New_Lit (Rtis.New_Rti_Address (Get_Info (Left_Type).Type_Rti))); when Iir_Predefined_Bit_Vector_To_Ostring => return Translate_Bv_To_String (Ghdl_BV_To_Ostring, Left_Tree, Left_Type, Res_Type, Loc); when Iir_Predefined_Bit_Vector_To_Hstring => return Translate_Bv_To_String (Ghdl_BV_To_Hstring, Left_Tree, Left_Type, Res_Type, Loc); when Iir_Predefined_Array_Char_To_String => declare El_Type : constant Iir := Get_Element_Subtype (Left_Type); Subprg : O_Dnode; Arg : Mnode; begin Arg := Stabilize (E2M (Left_Tree, Get_Info (Left_Type), Mode_Value)); case Get_Info (El_Type).Type_Mode is when Type_Mode_B1 => Subprg := Ghdl_Array_Char_To_String_B1; when Type_Mode_E8 => Subprg := Ghdl_Array_Char_To_String_E8; when Type_Mode_E32 => Subprg := Ghdl_Array_Char_To_String_E32; when others => raise Internal_Error; end case; return Translate_To_String (Subprg, Res_Type, Loc, New_Convert_Ov (M2E (Chap3.Get_Array_Base (Arg)), Ghdl_Ptr_Type), Chap3.Get_Array_Length (Arg, Left_Type), New_Lit (Rtis.New_Rti_Address (Get_Info (El_Type).Type_Rti))); end; when others => Ada.Text_IO.Put_Line ("translate_predefined_operator(2): cannot handle " & Iir_Predefined_Functions'Image (Kind)); raise Internal_Error; return O_Enode_Null; end case; end Translate_Predefined_Operator; -- Assign EXPR to TARGET. procedure Translate_Assign (Target : Mnode; Val : O_Enode; Expr : Iir; Target_Type : Iir; Loc : Iir) is T_Info : constant Type_Info_Acc := Get_Info (Target_Type); begin case T_Info.Type_Mode is when Type_Mode_Scalar => New_Assign_Stmt (M2Lv (Target), Chap3.Maybe_Insert_Scalar_Check (Val, Expr, Target_Type)); when Type_Mode_Acc | Type_Mode_File => New_Assign_Stmt (M2Lv (Target), Val); when Type_Mode_Fat_Acc => Chap3.Translate_Object_Copy (Target, Val, Target_Type); when Type_Mode_Fat_Array => declare T : Mnode; E : O_Dnode; begin T := Stabilize (Target); E := Create_Temp_Init (T_Info.Ortho_Ptr_Type (Mode_Value), Val); Chap3.Check_Array_Match (Target_Type, T, Get_Type (Expr), Dp2M (E, T_Info, Mode_Value), Loc); Chap3.Translate_Object_Copy (T, New_Obj_Value (E), Target_Type); end; when Type_Mode_Array => -- Source is of type TARGET_TYPE, so no length check is -- necessary. Chap3.Translate_Object_Copy (Target, Val, Target_Type); when Type_Mode_Record => Chap3.Translate_Object_Copy (Target, Val, Target_Type); when Type_Mode_Unknown | Type_Mode_Protected => raise Internal_Error; end case; end Translate_Assign; procedure Translate_Assign (Target : Mnode; Expr : Iir; Target_Type : Iir) is Val : O_Enode; begin if Get_Kind (Expr) = Iir_Kind_Aggregate then -- FIXME: handle overlap between TARGET and EXPR. Translate_Aggregate (Target, Target_Type, Expr); else Open_Temp; Val := Chap7.Translate_Expression (Expr, Target_Type); Translate_Assign (Target, Val, Expr, Target_Type, Expr); Close_Temp; end if; end Translate_Assign; -- If AGGR is of the form (others => (others => EXPR)) (where the -- number of (others => ) sub-aggregate is at least 1, return EXPR -- otherwise return NULL_IIR. function Is_Aggregate_Others (Aggr : Iir_Aggregate) return Iir is Chain : Iir; Aggr1 : Iir; --Type_Info : Type_Info_Acc; begin Aggr1 := Aggr; -- Do not use translate_aggregate_others for a complex type. --Type_Info := Get_Info (Get_Type (Aggr)); --if Type_Info.C /= null and then Type_Info.C.Builder_Need_Func then -- return Null_Iir; --end if; loop Chain := Get_Association_Choices_Chain (Aggr1); if not Is_Chain_Length_One (Chain) then return Null_Iir; end if; if Get_Kind (Chain) /= Iir_Kind_Choice_By_Others then return Null_Iir; end if; Aggr1 := Get_Associated_Expr (Chain); case Get_Kind (Aggr1) is when Iir_Kind_Aggregate => if Get_Type (Aggr1) /= Null_Iir then -- Stop when a sub-aggregate is in fact an aggregate. return Aggr1; end if; when Iir_Kind_String_Literal8 => return Null_Iir; --Error_Kind ("is_aggregate_others", Aggr1); when others => return Aggr1; end case; end loop; end Is_Aggregate_Others; -- Generate code for (others => EL). procedure Translate_Aggregate_Others (Target : Mnode; Target_Type : Iir; El : Iir) is Base_Ptr : Mnode; Info : Type_Info_Acc; It : O_Dnode; Len : O_Dnode; Len_Val : O_Enode; Label : O_Snode; Arr_Var : Mnode; El_Node : Mnode; begin Open_Temp; Info := Get_Info (Target_Type); case Info.Type_Mode is when Type_Mode_Fat_Array => Arr_Var := Stabilize (Target); Base_Ptr := Stabilize (Chap3.Get_Array_Base (Arr_Var)); Len_Val := Chap3.Get_Array_Length (Arr_Var, Target_Type); when Type_Mode_Array => Base_Ptr := Stabilize (Chap3.Get_Array_Base (Target)); Len_Val := Chap3.Get_Array_Type_Length (Target_Type); when others => raise Internal_Error; end case; -- FIXME: use this (since this use one variable instead of two): -- I := length; -- loop -- exit when I = 0; -- I := I - 1; -- A[I] := xxx; -- end loop; Len := Create_Temp_Init (Ghdl_Index_Type, Len_Val); if True then It := Create_Temp (Ghdl_Index_Type); else New_Var_Decl (It, Wki_I, O_Storage_Local, Ghdl_Index_Type); end if; Init_Var (It); Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (It), New_Obj_Value (Len), Ghdl_Bool_Type)); El_Node := Chap3.Index_Base (Base_Ptr, Target_Type, New_Obj_Value (It)); --New_Assign_Stmt (El_Node, Chap7.Translate_Expression (El)); Translate_Assign (El_Node, El, Get_Element_Subtype (Target_Type)); Inc_Var (It); Finish_Loop_Stmt (Label); Close_Temp; end Translate_Aggregate_Others; procedure Translate_Array_Aggregate_Gen (Base_Ptr : Mnode; Bounds_Ptr : Mnode; Aggr : Iir; Aggr_Type : Iir; Dim : Natural; Var_Index : O_Dnode) is Index_List : Iir_List; Expr_Type : Iir; Final : Boolean; procedure Do_Assign (Expr : Iir) is begin if Final then Translate_Assign (Chap3.Index_Base (Base_Ptr, Aggr_Type, New_Obj_Value (Var_Index)), Expr, Expr_Type); Inc_Var (Var_Index); else Translate_Array_Aggregate_Gen (Base_Ptr, Bounds_Ptr, Expr, Aggr_Type, Dim + 1, Var_Index); end if; end Do_Assign; P : Natural; El : Iir; begin case Get_Kind (Aggr) is when Iir_Kind_Aggregate => -- Continue below. null; when Iir_Kind_String_Literal8 => declare Len : constant Nat32 := Get_String_Length (Aggr); -- Type of the unconstrained array type. Arr_Type : O_Tnode; -- Type of the constrained array type. Str_Type : O_Tnode; Cst : Var_Type; Var_I : O_Dnode; Label : O_Snode; begin Expr_Type := Get_Element_Subtype (Aggr_Type); -- Create a constant for the string. -- First, create its type, because the literal has no -- type (subaggregate). Arr_Type := New_Array_Type (Get_Ortho_Type (Expr_Type, Mode_Value), Ghdl_Index_Type); New_Type_Decl (Create_Uniq_Identifier, Arr_Type); Str_Type := New_Constrained_Array_Type (Arr_Type, New_Index_Lit (Unsigned_64 (Len))); Cst := Create_String_Literal_Var_Inner (Aggr, Expr_Type, Str_Type); -- Copy it. Open_Temp; Var_I := Create_Temp (Ghdl_Index_Type); Init_Var (Var_I); Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Var_I), New_Lit (New_Index_Lit (Nat32'Pos (Len))), Ghdl_Bool_Type)); New_Assign_Stmt (M2Lv (Chap3.Index_Base (Base_Ptr, Aggr_Type, New_Obj_Value (Var_Index))), New_Value (New_Indexed_Element (Get_Var (Cst), New_Obj_Value (Var_I)))); Inc_Var (Var_I); Inc_Var (Var_Index); Finish_Loop_Stmt (Label); Close_Temp; end; return; when others => raise Internal_Error; end case; Index_List := Get_Index_Subtype_List (Aggr_Type); -- FINAL is true if the elements of the aggregate are elements of -- the array. if Get_Nbr_Elements (Index_List) = Dim then Expr_Type := Get_Element_Subtype (Aggr_Type); Final:= True; else Final := False; end if; El := Get_Association_Choices_Chain (Aggr); -- First, assign positionnal association. -- FIXME: count the number of positionnal association and generate -- an error if there is more positionnal association than elements -- in the array. P := 0; loop if El = Null_Iir then -- There is only positionnal associations. return; end if; exit when Get_Kind (El) /= Iir_Kind_Choice_By_None; Do_Assign (Get_Associated_Expr (El)); P := P + 1; El := Get_Chain (El); end loop; -- Then, assign named or others association. if Get_Chain (El) = Null_Iir then -- There is only one choice case Get_Kind (El) is when Iir_Kind_Choice_By_Others => -- falltrough... null; when Iir_Kind_Choice_By_Expression => Do_Assign (Get_Associated_Expr (El)); return; when Iir_Kind_Choice_By_Range => declare Var_Length : O_Dnode; Var_I : O_Dnode; Label : O_Snode; begin Open_Temp; Var_Length := Create_Temp_Init (Ghdl_Index_Type, Chap7.Translate_Range_Length (Get_Choice_Range (El))); Var_I := Create_Temp (Ghdl_Index_Type); Init_Var (Var_I); Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Var_I), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); Do_Assign (Get_Associated_Expr (El)); Inc_Var (Var_I); Finish_Loop_Stmt (Label); Close_Temp; end; return; when others => Error_Kind ("translate_array_aggregate_gen", El); end case; end if; -- Several choices.. declare Range_Type : Iir; Var_Pos : O_Dnode; Var_Len : O_Dnode; Range_Ptr : Mnode; Rtinfo : Type_Info_Acc; If_Blk : O_If_Block; Case_Blk : O_Case_Block; Label : O_Snode; El_Assoc : Iir; Len_Tmp : O_Enode; begin Open_Temp; -- Create a loop from left +- number of positionnals associations -- to/downto right. Range_Type := Get_Base_Type (Get_Nth_Element (Index_List, Dim - 1)); Rtinfo := Get_Info (Range_Type); Var_Pos := Create_Temp (Rtinfo.Ortho_Type (Mode_Value)); Range_Ptr := Stabilize (Chap3.Bounds_To_Range (Bounds_Ptr, Aggr_Type, Dim)); New_Assign_Stmt (New_Obj (Var_Pos), M2E (Chap3.Range_To_Left (Range_Ptr))); Var_Len := Create_Temp (Ghdl_Index_Type); if P /= 0 then Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, M2E (Chap3.Range_To_Dir (Range_Ptr)), New_Lit (Ghdl_Dir_To_Node), Ghdl_Bool_Type)); Chap8.Gen_Update_Iterator (Var_Pos, Iir_To, Unsigned_64 (P), Range_Type); New_Else_Stmt (If_Blk); Chap8.Gen_Update_Iterator (Var_Pos, Iir_Downto, Unsigned_64 (P), Range_Type); Finish_If_Stmt (If_Blk); end if; Len_Tmp := M2E (Chap3.Range_To_Length (Range_Ptr)); if P /= 0 then Len_Tmp := New_Dyadic_Op (ON_Sub_Ov, Len_Tmp, New_Lit (New_Unsigned_Literal (Ghdl_Index_Type, Unsigned_64 (P)))); end if; New_Assign_Stmt (New_Obj (Var_Len), Len_Tmp); -- Start loop. Start_Loop_Stmt (Label); -- Check if end of loop. Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Var_Len), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type)); -- convert aggr into a case statement. Start_Case_Stmt (Case_Blk, New_Obj_Value (Var_Pos)); El_Assoc := Null_Iir; while El /= Null_Iir loop Start_Choice (Case_Blk); Chap8.Translate_Case_Choice (El, Range_Type, Case_Blk); if Get_Associated_Expr (El) /= Null_Iir then El_Assoc := Get_Associated_Expr (El); end if; Finish_Choice (Case_Blk); Do_Assign (El_Assoc); P := P + 1; El := Get_Chain (El); end loop; Finish_Case_Stmt (Case_Blk); -- Update var_pos Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, M2E (Chap3.Range_To_Dir (Range_Ptr)), New_Lit (Ghdl_Dir_To_Node), Ghdl_Bool_Type)); Chap8.Gen_Update_Iterator (Var_Pos, Iir_To, Unsigned_64 (1), Range_Type); New_Else_Stmt (If_Blk); Chap8.Gen_Update_Iterator (Var_Pos, Iir_Downto, Unsigned_64 (1), Range_Type); Finish_If_Stmt (If_Blk); New_Assign_Stmt (New_Obj (Var_Len), New_Dyadic_Op (ON_Sub_Ov, New_Obj_Value (Var_Len), New_Lit (Ghdl_Index_1))); Finish_Loop_Stmt (Label); Close_Temp; end; end Translate_Array_Aggregate_Gen; procedure Translate_Record_Aggregate (Target : Mnode; Aggr : Iir) is Targ : Mnode; Aggr_Type : constant Iir := Get_Type (Aggr); Aggr_Base_Type : constant Iir_Record_Type_Definition := Get_Base_Type (Aggr_Type); El_List : constant Iir_List := Get_Elements_Declaration_List (Aggr_Base_Type); El_Index : Natural; Nbr_El : constant Natural := Get_Nbr_Elements (El_List); -- Record which elements of the record have been set. The 'others' -- clause applies to all elements not already set. type Bool_Array_Type is array (0 .. Nbr_El - 1) of Boolean; pragma Pack (Bool_Array_Type); Set_Array : Bool_Array_Type := (others => False); -- The expression associated. El_Expr : Iir; -- Set an elements. procedure Set_El (El : Iir_Element_Declaration) is begin Translate_Assign (Chap6.Translate_Selected_Element (Targ, El), El_Expr, Get_Type (El)); Set_Array (Natural (Get_Element_Position (El))) := True; end Set_El; Assoc : Iir; N_El_Expr : Iir; begin Open_Temp; Targ := Stabilize (Target); El_Index := 0; Assoc := Get_Association_Choices_Chain (Aggr); while Assoc /= Null_Iir loop N_El_Expr := Get_Associated_Expr (Assoc); if N_El_Expr /= Null_Iir then El_Expr := N_El_Expr; end if; case Get_Kind (Assoc) is when Iir_Kind_Choice_By_None => Set_El (Get_Nth_Element (El_List, El_Index)); El_Index := El_Index + 1; when Iir_Kind_Choice_By_Name => Set_El (Get_Choice_Name (Assoc)); El_Index := Natural'Last; when Iir_Kind_Choice_By_Others => for J in Set_Array'Range loop if not Set_Array (J) then Set_El (Get_Nth_Element (El_List, J)); end if; end loop; when others => Error_Kind ("translate_record_aggregate", Assoc); end case; Assoc := Get_Chain (Assoc); end loop; Close_Temp; end Translate_Record_Aggregate; procedure Translate_Array_Aggregate (Target : Mnode; Target_Type : Iir; Aggr : Iir) is Aggr_Type : constant Iir := Get_Type (Aggr); Index_List : constant Iir_List := Get_Index_Subtype_List (Aggr_Type); Targ_Index_List : constant Iir_List := Get_Index_Subtype_List (Target_Type); Aggr_Info : Iir_Aggregate_Info; Base : Mnode; Bounds : Mnode; Var_Index : O_Dnode; Targ : Mnode; Rinfo : Type_Info_Acc; Bt : Iir; -- Generate code for: (LVAL lop RNG.left) or (RVAL rop RNG.right) function Check_Value (Lval : Iir; Lop : ON_Op_Kind; Rval : Iir; Rop : ON_Op_Kind; Rng : Mnode) return O_Enode is L, R : O_Enode; begin L := New_Compare_Op (Lop, New_Lit (Translate_Static_Expression (Lval, Bt)), M2E (Chap3.Range_To_Left (Rng)), Ghdl_Bool_Type); R := New_Compare_Op (Rop, New_Lit (Translate_Static_Expression (Rval, Bt)), M2E (Chap3.Range_To_Right (Rng)), Ghdl_Bool_Type); return New_Dyadic_Op (ON_Or, L, R); end Check_Value; Range_Ptr : Mnode; Subtarg_Type : Iir; Subaggr_Type : Iir; L, H : Iir; Min : Iir_Int32; Has_Others : Boolean; Var_Err : O_Dnode; E : O_Enode; If_Blk : O_If_Block; Op : ON_Op_Kind; begin Open_Temp; Targ := Stabilize (Target); Base := Stabilize (Chap3.Get_Array_Base (Targ)); Bounds := Stabilize (Chap3.Get_Array_Bounds (Targ)); Aggr_Info := Get_Aggregate_Info (Aggr); -- Check type for I in Natural loop Subaggr_Type := Get_Index_Type (Index_List, I); exit when Subaggr_Type = Null_Iir; Subtarg_Type := Get_Index_Type (Targ_Index_List, I); Bt := Get_Base_Type (Subaggr_Type); Rinfo := Get_Info (Bt); if Get_Aggr_Dynamic_Flag (Aggr_Info) then -- Dynamic range, must evaluate it. Open_Temp; declare A_Range : Mnode; begin -- Evaluate the range. Chap3.Translate_Anonymous_Type_Definition (Subaggr_Type, True); A_Range := Dv2M (Create_Temp (Rinfo.T.Range_Type), Rinfo, Mode_Value, Rinfo.T.Range_Type, Rinfo.T.Range_Ptr_Type); Chap7.Translate_Range (A_Range, Get_Range_Constraint (Subaggr_Type), Subaggr_Type); -- Check range length VS target length. Chap6.Check_Bound_Error (New_Compare_Op (ON_Neq, M2E (Chap3.Range_To_Length (A_Range)), M2E (Chap3.Range_To_Length (Chap3.Bounds_To_Range (Bounds, Target_Type, I + 1))), Ghdl_Bool_Type), Aggr, I); end; Close_Temp; elsif Get_Type_Staticness (Subaggr_Type) /= Locally or else Subaggr_Type /= Subtarg_Type then -- Note: if the aggregate has no others, then the bounds -- must be the same, otherwise, aggregate bounds must be -- inside type bounds. Has_Others := Get_Aggr_Others_Flag (Aggr_Info); Min := Get_Aggr_Min_Length (Aggr_Info); L := Get_Aggr_Low_Limit (Aggr_Info); if Min > 0 or L /= Null_Iir then Open_Temp; -- Pointer to the range. Range_Ptr := Stabilize (Chap3.Bounds_To_Range (Bounds, Target_Type, I + 1)); Var_Err := Create_Temp (Ghdl_Bool_Type); H := Get_Aggr_High_Limit (Aggr_Info); if L /= Null_Iir then -- Check the index range of the aggregrate is equal -- (or within in presence of 'others') the index range -- of the target. Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, M2E (Chap3.Range_To_Dir (Range_Ptr)), New_Lit (Ghdl_Dir_To_Node), Ghdl_Bool_Type)); if Has_Others then E := Check_Value (L, ON_Lt, H, ON_Gt, Range_Ptr); else E := Check_Value (L, ON_Neq, H, ON_Neq, Range_Ptr); end if; New_Assign_Stmt (New_Obj (Var_Err), E); New_Else_Stmt (If_Blk); if Has_Others then E := Check_Value (H, ON_Gt, L, ON_Lt, Range_Ptr); else E := Check_Value (H, ON_Neq, L, ON_Neq, Range_Ptr); end if; New_Assign_Stmt (New_Obj (Var_Err), E); Finish_If_Stmt (If_Blk); -- If L and H are greather than the minimum length, -- then there is no need to check with min. if Iir_Int32 (Eval_Pos (H) - Eval_Pos (L) + 1) >= Min then Min := 0; end if; end if; if Min > 0 then -- Check the number of elements is equal (or less in -- presence of 'others') than the length of the index -- range of the target. if Has_Others then Op := ON_Lt; else Op := ON_Neq; end if; E := New_Compare_Op (Op, M2E (Chap3.Range_To_Length (Range_Ptr)), New_Lit (New_Unsigned_Literal (Ghdl_Index_Type, Unsigned_64 (Min))), Ghdl_Bool_Type); if L /= Null_Iir then E := New_Dyadic_Op (ON_Or, E, New_Obj_Value (Var_Err)); end if; New_Assign_Stmt (New_Obj (Var_Err), E); end if; Chap6.Check_Bound_Error (New_Obj_Value (Var_Err), Aggr, I); Close_Temp; end if; end if; -- Next dimension. Aggr_Info := Get_Sub_Aggregate_Info (Aggr_Info); end loop; Var_Index := Create_Temp_Init (Ghdl_Index_Type, New_Lit (Ghdl_Index_0)); Translate_Array_Aggregate_Gen (Base, Bounds, Aggr, Aggr_Type, 1, Var_Index); Close_Temp; -- FIXME: creating aggregate subtype is expensive and rarely used. -- (one of the current use - only ? - is check_array_match). Chap3.Translate_Anonymous_Type_Definition (Aggr_Type, False); end Translate_Array_Aggregate; procedure Translate_Aggregate (Target : Mnode; Target_Type : Iir; Aggr : Iir) is Aggr_Type : constant Iir := Get_Type (Aggr); El : Iir; begin case Get_Kind (Aggr_Type) is when Iir_Kind_Array_Subtype_Definition | Iir_Kind_Array_Type_Definition => El := Is_Aggregate_Others (Aggr); if El /= Null_Iir then Translate_Aggregate_Others (Target, Target_Type, El); else Translate_Array_Aggregate (Target, Target_Type, Aggr); end if; when Iir_Kind_Record_Type_Definition | Iir_Kind_Record_Subtype_Definition => Translate_Record_Aggregate (Target, Aggr); when others => Error_Kind ("translate_aggregate", Aggr_Type); end case; end Translate_Aggregate; function Translate_Allocator_By_Expression (Expr : Iir) return O_Enode is Val : O_Enode; Val_M : Mnode; A_Type : constant Iir := Get_Type (Expr); A_Info : constant Type_Info_Acc := Get_Info (A_Type); D_Type : constant Iir := Get_Designated_Type (A_Type); D_Info : constant Type_Info_Acc := Get_Info (D_Type); R : Mnode; Rtype : O_Tnode; begin -- Compute the expression. Val := Translate_Expression (Get_Expression (Expr), D_Type); -- Allocate memory for the object. case A_Info.Type_Mode is when Type_Mode_Fat_Acc => R := Dv2M (Create_Temp (D_Info.Ortho_Type (Mode_Value)), D_Info, Mode_Value); Val_M := Stabilize (E2M (Val, D_Info, Mode_Value)); Chap3.Translate_Object_Allocation (R, Alloc_Heap, D_Type, Chap3.Get_Array_Bounds (Val_M)); Val := M2E (Val_M); Rtype := A_Info.Ortho_Ptr_Type (Mode_Value); when Type_Mode_Acc => R := Dp2M (Create_Temp (D_Info.Ortho_Ptr_Type (Mode_Value)), D_Info, Mode_Value); Chap3.Translate_Object_Allocation (R, Alloc_Heap, D_Type, Mnode_Null); Rtype := A_Info.Ortho_Type (Mode_Value); when others => raise Internal_Error; end case; Chap3.Translate_Object_Copy (R, Val, D_Type); return New_Convert_Ov (M2Addr (R), Rtype); end Translate_Allocator_By_Expression; function Translate_Allocator_By_Subtype (Expr : Iir) return O_Enode is P_Type : constant Iir := Get_Type (Expr); P_Info : constant Type_Info_Acc := Get_Info (P_Type); D_Type : constant Iir := Get_Designated_Type (P_Type); D_Info : constant Type_Info_Acc := Get_Info (D_Type); Sub_Type : Iir; Bounds : Mnode; Res : Mnode; Rtype : O_Tnode; begin case P_Info.Type_Mode is when Type_Mode_Fat_Acc => Res := Dv2M (Create_Temp (D_Info.Ortho_Type (Mode_Value)), D_Info, Mode_Value); -- FIXME: should allocate bounds, and directly set bounds -- from the range. Sub_Type := Get_Subtype_Indication (Expr); Sub_Type := Get_Type_Of_Subtype_Indication (Sub_Type); Chap3.Create_Array_Subtype (Sub_Type, True); Bounds := Chap3.Get_Array_Type_Bounds (Sub_Type); Rtype := P_Info.Ortho_Ptr_Type (Mode_Value); when Type_Mode_Acc => Res := Dp2M (Create_Temp (D_Info.Ortho_Ptr_Type (Mode_Value)), D_Info, Mode_Value); Bounds := Mnode_Null; Rtype := P_Info.Ortho_Type (Mode_Value); when others => raise Internal_Error; end case; Chap3.Translate_Object_Allocation (Res, Alloc_Heap, D_Type, Bounds); Chap4.Init_Object (Res, D_Type); return New_Convert_Ov (M2Addr (Res), Rtype); end Translate_Allocator_By_Subtype; function Translate_Fat_Array_Type_Conversion (Expr : O_Enode; Expr_Type : Iir; Res_Type : Iir; Loc : Iir) return O_Enode; function Translate_Array_Subtype_Conversion (Expr : O_Enode; Expr_Type : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Res_Info : constant Type_Info_Acc := Get_Info (Res_Type); Expr_Info : constant Type_Info_Acc := Get_Info (Expr_Type); E : Mnode; begin E := Stabilize (E2M (Expr, Expr_Info, Mode_Value)); case Res_Info.Type_Mode is when Type_Mode_Array => Chap3.Check_Array_Match (Res_Type, T2M (Res_Type, Mode_Value), Expr_Type, E, Loc); return New_Convert_Ov (M2Addr (Chap3.Get_Array_Base (E)), Res_Info.Ortho_Ptr_Type (Mode_Value)); when Type_Mode_Fat_Array => declare Res : Mnode; begin Res := Create_Temp (Res_Info); Copy_Fat_Pointer (Res, E); Chap3.Check_Array_Match (Res_Type, Res, Expr_Type, E, Loc); return M2Addr (Res); end; when others => Error_Kind ("translate_array_subtype_conversion", Res_Type); end case; end Translate_Array_Subtype_Conversion; function Translate_Type_Conversion (Expr : O_Enode; Expr_Type : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Res_Info : constant Type_Info_Acc := Get_Info (Res_Type); Res : O_Enode; begin case Get_Kind (Res_Type) is when Iir_Kinds_Scalar_Type_Definition => Res := New_Convert_Ov (Expr, Res_Info.Ortho_Type (Mode_Value)); if Chap3.Need_Range_Check (Null_Iir, Res_Type) then Res := Chap3.Insert_Scalar_Check (Res, Null_Iir, Res_Type, Loc); end if; return Res; when Iir_Kinds_Array_Type_Definition => if Get_Constraint_State (Res_Type) = Fully_Constrained then return Translate_Array_Subtype_Conversion (Expr, Expr_Type, Res_Type, Loc); else return Translate_Fat_Array_Type_Conversion (Expr, Expr_Type, Res_Type, Loc); end if; when Iir_Kind_Record_Type_Definition | Iir_Kind_Record_Subtype_Definition => return Expr; when others => Error_Kind ("translate_type_conversion", Res_Type); end case; end Translate_Type_Conversion; function Translate_Fat_Array_Type_Conversion (Expr : O_Enode; Expr_Type : Iir; Res_Type : Iir; Loc : Iir) return O_Enode is Res_Info : constant Type_Info_Acc := Get_Info (Res_Type); Expr_Info : constant Type_Info_Acc := Get_Info (Expr_Type); Res_Indexes : constant Iir_List := Get_Index_Subtype_List (Res_Type); Expr_Indexes : constant Iir_List := Get_Index_Subtype_List (Expr_Type); Res_Base_Type : constant Iir := Get_Base_Type (Res_Type); Expr_Base_Type : constant Iir := Get_Base_Type (Expr_Type); Res_Base_Indexes : constant Iir_List := Get_Index_Subtype_List (Res_Base_Type); Expr_Base_Indexes : constant Iir_List := Get_Index_Subtype_List (Expr_Base_Type); Res : Mnode; E : Mnode; Bounds : O_Dnode; R_El : Iir; E_El : Iir; begin Res := Create_Temp (Res_Info, Mode_Value); Bounds := Create_Temp (Res_Info.T.Bounds_Type); E := Stabilize (E2M (Expr, Expr_Info, Mode_Value)); Open_Temp; -- Set base. New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), New_Convert_Ov (M2Addr (Chap3.Get_Array_Base (E)), Res_Info.T.Base_Ptr_Type (Mode_Value))); -- Set bounds. New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), New_Address (New_Obj (Bounds), Res_Info.T.Bounds_Ptr_Type)); -- Convert bounds. for I in Natural loop R_El := Get_Index_Type (Res_Indexes, I); E_El := Get_Index_Type (Expr_Indexes, I); exit when R_El = Null_Iir; declare Rb_Ptr : Mnode; Eb_Ptr : Mnode; Ee : O_Enode; Same_Index_Type : constant Boolean := (Get_Index_Type (Res_Base_Indexes, I) = Get_Index_Type (Expr_Base_Indexes, I)); begin Open_Temp; Rb_Ptr := Stabilize (Chap3.Get_Array_Range (Res, Res_Type, I + 1)); Eb_Ptr := Stabilize (Chap3.Get_Array_Range (E, Expr_Type, I + 1)); -- Convert left and right (unless they have the same type - -- this is an optimization but also this deals with null -- array in common cases). Ee := M2E (Chap3.Range_To_Left (Eb_Ptr)); if not Same_Index_Type then Ee := Translate_Type_Conversion (Ee, E_El, R_El, Loc); end if; New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Rb_Ptr)), Ee); Ee := M2E (Chap3.Range_To_Right (Eb_Ptr)); if not Same_Index_Type then Ee := Translate_Type_Conversion (Ee, E_El, R_El, Loc); end if; New_Assign_Stmt (M2Lv (Chap3.Range_To_Right (Rb_Ptr)), Ee); -- Copy Dir and Length. New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Rb_Ptr)), M2E (Chap3.Range_To_Dir (Eb_Ptr))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Rb_Ptr)), M2E (Chap3.Range_To_Length (Eb_Ptr))); Close_Temp; end; end loop; Close_Temp; return M2E (Res); end Translate_Fat_Array_Type_Conversion; function Sig2val_Prepare_Composite (Targ : Mnode; Targ_Type : Iir; Data : Mnode) return Mnode is pragma Unreferenced (Targ, Targ_Type); begin if Get_Type_Info (Data).Type_Mode = Type_Mode_Fat_Array then return Stabilize (Chap3.Get_Array_Base (Data)); else return Stabilize (Data); end if; end Sig2val_Prepare_Composite; function Sig2val_Update_Data_Array (Val : Mnode; Targ_Type : Iir; Index : O_Dnode) return Mnode is begin return Chap3.Index_Base (Val, Targ_Type, New_Obj_Value (Index)); end Sig2val_Update_Data_Array; function Sig2val_Update_Data_Record (Val : Mnode; Targ_Type : Iir; El : Iir_Element_Declaration) return Mnode is pragma Unreferenced (Targ_Type); begin return Chap6.Translate_Selected_Element (Val, El); end Sig2val_Update_Data_Record; procedure Sig2val_Finish_Data_Composite (Data : in out Mnode) is pragma Unreferenced (Data); begin null; end Sig2val_Finish_Data_Composite; procedure Translate_Signal_Assign_Effective_Non_Composite (Targ : Mnode; Targ_Type : Iir; Data : Mnode) is pragma Unreferenced (Targ_Type); begin New_Assign_Stmt (New_Access_Element (M2E (Targ)), M2E (Data)); end Translate_Signal_Assign_Effective_Non_Composite; procedure Translate_Signal_Assign_Effective is new Foreach_Non_Composite (Data_Type => Mnode, Composite_Data_Type => Mnode, Do_Non_Composite => Translate_Signal_Assign_Effective_Non_Composite, Prepare_Data_Array => Sig2val_Prepare_Composite, Update_Data_Array => Sig2val_Update_Data_Array, Finish_Data_Array => Sig2val_Finish_Data_Composite, Prepare_Data_Record => Sig2val_Prepare_Composite, Update_Data_Record => Sig2val_Update_Data_Record, Finish_Data_Record => Sig2val_Finish_Data_Composite); procedure Translate_Signal_Assign_Driving_Non_Composite (Targ : Mnode; Targ_Type : Iir; Data: Mnode) is begin New_Assign_Stmt (Chap14.Get_Signal_Value_Field (M2E (Targ), Targ_Type, Ghdl_Signal_Driving_Value_Field), M2E (Data)); end Translate_Signal_Assign_Driving_Non_Composite; procedure Translate_Signal_Assign_Driving is new Foreach_Non_Composite (Data_Type => Mnode, Composite_Data_Type => Mnode, Do_Non_Composite => Translate_Signal_Assign_Driving_Non_Composite, Prepare_Data_Array => Sig2val_Prepare_Composite, Update_Data_Array => Sig2val_Update_Data_Array, Finish_Data_Array => Sig2val_Finish_Data_Composite, Prepare_Data_Record => Sig2val_Prepare_Composite, Update_Data_Record => Sig2val_Update_Data_Record, Finish_Data_Record => Sig2val_Finish_Data_Composite); function Translate_Signal_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode is procedure Translate_Signal_Non_Composite (Targ : Mnode; Targ_Type : Iir; Data : Mnode) is begin New_Assign_Stmt (M2Lv (Targ), Read_Value (M2E (Data), Targ_Type)); end Translate_Signal_Non_Composite; procedure Translate_Signal_Target is new Foreach_Non_Composite (Data_Type => Mnode, Composite_Data_Type => Mnode, Do_Non_Composite => Translate_Signal_Non_Composite, Prepare_Data_Array => Sig2val_Prepare_Composite, Update_Data_Array => Sig2val_Update_Data_Array, Finish_Data_Array => Sig2val_Finish_Data_Composite, Prepare_Data_Record => Sig2val_Prepare_Composite, Update_Data_Record => Sig2val_Update_Data_Record, Finish_Data_Record => Sig2val_Finish_Data_Composite); Tinfo : Type_Info_Acc; begin Tinfo := Get_Info (Sig_Type); if Tinfo.Type_Mode in Type_Mode_Scalar then return Read_Value (Sig, Sig_Type); else declare Res : Mnode; Var_Val : Mnode; begin -- allocate result array if Tinfo.Type_Mode = Type_Mode_Fat_Array then Res := Create_Temp (Tinfo); Var_Val := Stabilize (E2M (Sig, Tinfo, Mode_Signal)); -- Copy bounds. New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), M2Addr (Chap3.Get_Array_Bounds (Var_Val))); -- Allocate base. Chap3.Allocate_Fat_Array_Base (Alloc_Stack, Res, Sig_Type); elsif Is_Complex_Type (Tinfo) then Res := Create_Temp (Tinfo); Chap4.Allocate_Complex_Object (Sig_Type, Alloc_Stack, Res); else Res := Create_Temp (Tinfo); end if; Open_Temp; if Tinfo.Type_Mode /= Type_Mode_Fat_Array then Var_Val := Stabilize (E2M (Sig, Tinfo, Mode_Signal)); end if; Translate_Signal_Target (Res, Sig_Type, Var_Val); Close_Temp; return M2Addr (Res); end; end if; end Translate_Signal_Value; -- Get the effective value of a simple signal SIG. function Read_Signal_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode is pragma Unreferenced (Sig_Type); begin return New_Value (New_Access_Element (Sig)); end Read_Signal_Value; -- Get the value of signal SIG. function Translate_Signal is new Translate_Signal_Value (Read_Value => Read_Signal_Value); function Translate_Signal_Effective_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode renames Translate_Signal; function Read_Signal_Driving_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode is begin return New_Value (Chap14.Get_Signal_Value_Field (Sig, Sig_Type, Ghdl_Signal_Driving_Value_Field)); end Read_Signal_Driving_Value; function Translate_Signal_Driving_Value_1 is new Translate_Signal_Value (Read_Value => Read_Signal_Driving_Value); function Translate_Signal_Driving_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode renames Translate_Signal_Driving_Value_1; procedure Set_Effective_Value (Sig : Mnode; Sig_Type : Iir; Val : Mnode) renames Translate_Signal_Assign_Effective; procedure Set_Driving_Value (Sig : Mnode; Sig_Type : Iir; Val : Mnode) renames Translate_Signal_Assign_Driving; function Translate_Overflow_Literal (Expr : Iir) return O_Enode is Expr_Type : constant Iir := Get_Type (Expr); Tinfo : constant Type_Info_Acc := Get_Info (Expr_Type); Otype : constant O_Tnode := Tinfo.Ortho_Type (Mode_Value); L : O_Dnode; begin -- Generate the error message Chap6.Gen_Bound_Error (Expr); -- Create a dummy value, for type checking. But never -- executed. L := Create_Temp (Otype); if Tinfo.Type_Mode in Type_Mode_Fat then -- For fat pointers or arrays. return New_Address (New_Obj (L), Tinfo.Ortho_Ptr_Type (Mode_Value)); else return New_Obj_Value (L); end if; end Translate_Overflow_Literal; function Translate_Expression (Expr : Iir; Rtype : Iir := Null_Iir) return O_Enode is Imp : Iir; Expr_Type : Iir; Res_Type : Iir; Res : O_Enode; begin Expr_Type := Get_Type (Expr); if Rtype = Null_Iir then Res_Type := Expr_Type; else Res_Type := Rtype; end if; case Get_Kind (Expr) is when Iir_Kind_Integer_Literal | Iir_Kind_Enumeration_Literal | Iir_Kind_Floating_Point_Literal => return New_Lit (Translate_Static_Expression (Expr, Rtype)); when Iir_Kind_Physical_Int_Literal | Iir_Kind_Physical_Fp_Literal | Iir_Kind_Unit_Declaration => declare Otype : constant O_Tnode := Get_Ortho_Type (Expr_Type, Mode_Value); Val : Iir_Int64; begin -- Get the value now, as it may generate a constraint_error. Val := Get_Physical_Value (Expr); return New_Lit (New_Signed_Literal (Otype, Integer_64 (Val))); exception when Constraint_Error => Warning_Msg_Elab ("physical literal out of range", Expr); return Translate_Overflow_Literal (Expr); end; when Iir_Kind_String_Literal8 | Iir_Kind_Simple_Aggregate | Iir_Kind_Simple_Name_Attribute => Res := Translate_String_Literal (Expr); when Iir_Kind_Aggregate => declare Aggr_Type : Iir; Tinfo : Type_Info_Acc; Mres : Mnode; begin -- Extract the type of the aggregate. Use the type of the -- context if it is fully constrained. Aggr_Type := Expr_Type; if Rtype /= Null_Iir and then Is_Fully_Constrained_Type (Rtype) then Aggr_Type := Rtype; else pragma Assert (Is_Fully_Constrained_Type (Expr_Type)); null; end if; if Get_Kind (Aggr_Type) = Iir_Kind_Array_Subtype_Definition then Chap3.Create_Array_Subtype (Aggr_Type, True); end if; -- FIXME: this may be not necessary Tinfo := Get_Info (Aggr_Type); -- The result area has to be created if Is_Complex_Type (Tinfo) then Mres := Create_Temp (Tinfo); Chap4.Allocate_Complex_Object (Aggr_Type, Alloc_Stack, Mres); else -- if thin array/record: -- create result Mres := Create_Temp (Tinfo); end if; Translate_Aggregate (Mres, Aggr_Type, Expr); Res := M2E (Mres); if Rtype /= Null_Iir and then Aggr_Type /= Rtype then Res := Translate_Implicit_Conv (Res, Aggr_Type, Rtype, Mode_Value, Expr); end if; return Res; end; when Iir_Kind_Null_Literal => declare Tinfo : constant Type_Info_Acc := Get_Info (Expr_Type); Otype : constant O_Tnode := Tinfo.Ortho_Type (Mode_Value); L : O_Dnode; B : Type_Info_Acc; begin if Tinfo.Type_Mode = Type_Mode_Fat_Acc then -- Create a fat null pointer. -- FIXME: should be optimized!! L := Create_Temp (Otype); B := Get_Info (Get_Designated_Type (Expr_Type)); New_Assign_Stmt (New_Selected_Element (New_Obj (L), B.T.Base_Field (Mode_Value)), New_Lit (New_Null_Access (B.T.Base_Ptr_Type (Mode_Value)))); New_Assign_Stmt (New_Selected_Element (New_Obj (L), B.T.Bounds_Field (Mode_Value)), New_Lit (New_Null_Access (B.T.Bounds_Ptr_Type))); return New_Address (New_Obj (L), Tinfo.Ortho_Ptr_Type (Mode_Value)); else return New_Lit (New_Null_Access (Otype)); end if; end; when Iir_Kind_Overflow_Literal => return Translate_Overflow_Literal (Expr); when Iir_Kind_Parenthesis_Expression => return Translate_Expression (Get_Expression (Expr), Rtype); when Iir_Kind_Allocator_By_Expression => return Translate_Allocator_By_Expression (Expr); when Iir_Kind_Allocator_By_Subtype => return Translate_Allocator_By_Subtype (Expr); when Iir_Kind_Qualified_Expression => -- FIXME: check type. Res := Translate_Expression (Get_Expression (Expr), Expr_Type); when Iir_Kind_Constant_Declaration | Iir_Kind_Variable_Declaration | Iir_Kind_Signal_Declaration | Iir_Kind_File_Declaration | Iir_Kind_Object_Alias_Declaration | Iir_Kind_Interface_Constant_Declaration | Iir_Kind_Interface_Variable_Declaration | Iir_Kind_Interface_Signal_Declaration | Iir_Kind_Interface_File_Declaration | Iir_Kind_Indexed_Name | Iir_Kind_Slice_Name | Iir_Kind_Selected_Element | Iir_Kind_Dereference | Iir_Kind_Implicit_Dereference | Iir_Kind_Stable_Attribute | Iir_Kind_Quiet_Attribute | Iir_Kind_Delayed_Attribute | Iir_Kind_Transaction_Attribute | Iir_Kind_Guard_Signal_Declaration | Iir_Kind_Attribute_Value | Iir_Kind_Attribute_Name => declare L : Mnode; begin L := Chap6.Translate_Name (Expr); Res := M2E (L); if Get_Object_Kind (L) = Mode_Signal then Res := Translate_Signal (Res, Expr_Type); end if; end; when Iir_Kind_Iterator_Declaration => declare Expr_Info : Ortho_Info_Acc; begin Expr_Info := Get_Info (Expr); Res := New_Value (Get_Var (Expr_Info.Iterator_Var)); if Rtype /= Null_Iir then Res := New_Convert_Ov (Res, Get_Ortho_Type (Rtype, Mode_Value)); end if; return Res; end; when Iir_Kinds_Dyadic_Operator => Imp := Get_Implementation (Expr); if Is_Implicit_Subprogram (Imp) then return Translate_Predefined_Operator (Imp, Get_Left (Expr), Get_Right (Expr), Res_Type, Expr); else return Translate_Operator_Function_Call (Imp, Get_Left (Expr), Get_Right (Expr), Res_Type); end if; when Iir_Kinds_Monadic_Operator => Imp := Get_Implementation (Expr); if Is_Implicit_Subprogram (Imp) then return Translate_Predefined_Operator (Imp, Get_Operand (Expr), Null_Iir, Res_Type, Expr); else return Translate_Operator_Function_Call (Imp, Get_Operand (Expr), Null_Iir, Res_Type); end if; when Iir_Kind_Function_Call => Imp := Get_Implementation (Expr); declare Assoc_Chain : Iir; begin if Is_Implicit_Subprogram (Imp) then declare Left, Right : Iir; begin Assoc_Chain := Get_Parameter_Association_Chain (Expr); if Assoc_Chain = Null_Iir then Left := Null_Iir; Right := Null_Iir; else Left := Get_Actual (Assoc_Chain); Assoc_Chain := Get_Chain (Assoc_Chain); if Assoc_Chain = Null_Iir then Right := Null_Iir; else Right := Get_Actual (Assoc_Chain); end if; end if; return Translate_Predefined_Operator (Imp, Left, Right, Res_Type, Expr); end; else Canon.Canon_Subprogram_Call (Expr); Assoc_Chain := Get_Parameter_Association_Chain (Expr); Res := Chap8.Translate_Subprogram_Call (Imp, Assoc_Chain, Get_Method_Object (Expr)); Expr_Type := Get_Return_Type (Imp); end if; end; when Iir_Kind_Type_Conversion => declare Conv_Expr : Iir; begin Conv_Expr := Get_Expression (Expr); Res := Translate_Type_Conversion (Translate_Expression (Conv_Expr), Get_Type (Conv_Expr), Expr_Type, Expr); end; when Iir_Kind_Length_Array_Attribute => return Chap14.Translate_Length_Array_Attribute (Expr, Res_Type); when Iir_Kind_Low_Array_Attribute => return Chap14.Translate_Low_Array_Attribute (Expr); when Iir_Kind_High_Array_Attribute => return Chap14.Translate_High_Array_Attribute (Expr); when Iir_Kind_Left_Array_Attribute => return Chap14.Translate_Left_Array_Attribute (Expr); when Iir_Kind_Right_Array_Attribute => return Chap14.Translate_Right_Array_Attribute (Expr); when Iir_Kind_Ascending_Array_Attribute => return Chap14.Translate_Ascending_Array_Attribute (Expr); when Iir_Kind_Val_Attribute => return Chap14.Translate_Val_Attribute (Expr); when Iir_Kind_Pos_Attribute => return Chap14.Translate_Pos_Attribute (Expr, Res_Type); when Iir_Kind_Succ_Attribute | Iir_Kind_Pred_Attribute | Iir_Kind_Leftof_Attribute | Iir_Kind_Rightof_Attribute => return Chap14.Translate_Succ_Pred_Attribute (Expr); when Iir_Kind_Image_Attribute => Res := Chap14.Translate_Image_Attribute (Expr); when Iir_Kind_Value_Attribute => return Chap14.Translate_Value_Attribute (Expr); when Iir_Kind_Event_Attribute => return Chap14.Translate_Event_Attribute (Expr); when Iir_Kind_Active_Attribute => return Chap14.Translate_Active_Attribute (Expr); when Iir_Kind_Last_Value_Attribute => Res := Chap14.Translate_Last_Value_Attribute (Expr); when Iir_Kind_High_Type_Attribute => return Chap14.Translate_High_Low_Type_Attribute (Get_Type (Expr), True); when Iir_Kind_Low_Type_Attribute => return Chap14.Translate_High_Low_Type_Attribute (Get_Type (Expr), False); when Iir_Kind_Left_Type_Attribute => return M2E (Chap3.Range_To_Left (Lv2M (Translate_Range (Get_Prefix (Expr), Expr_Type), Get_Info (Get_Base_Type (Expr_Type)), Mode_Value))); when Iir_Kind_Right_Type_Attribute => return M2E (Chap3.Range_To_Right (Lv2M (Translate_Range (Get_Prefix (Expr), Expr_Type), Get_Info (Get_Base_Type (Expr_Type)), Mode_Value))); when Iir_Kind_Last_Event_Attribute => return Chap14.Translate_Last_Time_Attribute (Get_Prefix (Expr), Ghdl_Signal_Last_Event_Field); when Iir_Kind_Last_Active_Attribute => return Chap14.Translate_Last_Time_Attribute (Get_Prefix (Expr), Ghdl_Signal_Last_Active_Field); when Iir_Kind_Driving_Value_Attribute => Res := Chap14.Translate_Driving_Value_Attribute (Expr); when Iir_Kind_Driving_Attribute => Res := Chap14.Translate_Driving_Attribute (Expr); when Iir_Kind_Path_Name_Attribute | Iir_Kind_Instance_Name_Attribute => Res := Chap14.Translate_Path_Instance_Name_Attribute (Expr); when Iir_Kind_Simple_Name | Iir_Kind_Character_Literal | Iir_Kind_Selected_Name => return Translate_Expression (Get_Named_Entity (Expr), Rtype); when others => Error_Kind ("translate_expression", Expr); end case; -- Quick test to avoid useless calls. if Expr_Type /= Res_Type then Res := Translate_Implicit_Conv (Res, Expr_Type, Res_Type, Mode_Value, Expr); end if; return Res; end Translate_Expression; -- Check if RNG is of the form: -- 1 to T'length -- or T'Length downto 1 -- or 0 to T'length - 1 -- or T'Length - 1 downto 0 -- In either of these cases, return T'Length function Is_Length_Range_Expression (Rng : Iir_Range_Expression) return Iir is -- Pattern of a bound. type Length_Pattern is ( Pat_Unknown, Pat_Length, Pat_Length_1, -- Length - 1 Pat_1, Pat_0 ); Length_Attr : Iir := Null_Iir; -- Classify the bound. -- Set LENGTH_ATTR is the pattern is Pat_Length. function Get_Length_Pattern (Expr : Iir; Recurse : Boolean) return Length_Pattern is begin case Get_Kind (Expr) is when Iir_Kind_Length_Array_Attribute => Length_Attr := Expr; return Pat_Length; when Iir_Kind_Integer_Literal => case Get_Value (Expr) is when 0 => return Pat_0; when 1 => return Pat_1; when others => return Pat_Unknown; end case; when Iir_Kind_Substraction_Operator => if not Recurse then return Pat_Unknown; end if; if Get_Length_Pattern (Get_Left (Expr), False) = Pat_Length and then Get_Length_Pattern (Get_Right (Expr), False) = Pat_1 then return Pat_Length_1; else return Pat_Unknown; end if; when others => return Pat_Unknown; end case; end Get_Length_Pattern; Left_Pat, Right_Pat : Length_Pattern; begin Left_Pat := Get_Length_Pattern (Get_Left_Limit (Rng), True); if Left_Pat = Pat_Unknown then return Null_Iir; end if; Right_Pat := Get_Length_Pattern (Get_Right_Limit (Rng), True); if Right_Pat = Pat_Unknown then return Null_Iir; end if; case Get_Direction (Rng) is when Iir_To => if (Left_Pat = Pat_1 and Right_Pat = Pat_Length) or else (Left_Pat = Pat_0 and Right_Pat = Pat_Length_1) then return Length_Attr; end if; when Iir_Downto => if (Left_Pat = Pat_Length and Right_Pat = Pat_1) or else (Left_Pat = Pat_Length_1 and Right_Pat = Pat_0) then return Length_Attr; end if; end case; return Null_Iir; end Is_Length_Range_Expression; procedure Translate_Range_Expression (Res : Mnode; Expr : Iir; Range_Type : Iir) is T_Info : constant Type_Info_Acc := Get_Info (Range_Type); Length_Attr : Iir; Res1 : Mnode; begin Open_Temp; Res1 := Stabilize (Res); New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Res1)), Chap7.Translate_Range_Expression_Left (Expr, Range_Type)); New_Assign_Stmt (M2Lv (Chap3.Range_To_Right (Res1)), Chap7.Translate_Range_Expression_Right (Expr, Range_Type)); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Res1)), New_Lit (Chap7.Translate_Static_Range_Dir (Expr))); if T_Info.T.Range_Length /= O_Fnode_Null then if Get_Expr_Staticness (Expr) = Locally then New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Res1)), New_Lit (Translate_Static_Range_Length (Expr))); else Length_Attr := Is_Length_Range_Expression (Expr); if Length_Attr = Null_Iir then Open_Temp; New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Res1)), Compute_Range_Length (M2E (Chap3.Range_To_Left (Res1)), M2E (Chap3.Range_To_Right (Res1)), Get_Direction (Expr))); Close_Temp; else New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Res1)), Chap14.Translate_Length_Array_Attribute (Length_Attr, Null_Iir)); end if; end if; end if; Close_Temp; end Translate_Range_Expression; -- Reverse range ARANGE. procedure Translate_Reverse_Range (Res : Mnode; Arange : O_Lnode; Range_Type : Iir) is Rinfo : constant Type_Info_Acc := Get_Info (Get_Base_Type (Range_Type)); Res1 : Mnode; Arange1 : Mnode; If_Blk : O_If_Block; begin Open_Temp; Arange1 := Stabilize (Lv2M (Arange, Rinfo, Mode_Value, Rinfo.T.Range_Type, Rinfo.T.Range_Ptr_Type)); Res1 := Stabilize (Res); New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Res1)), M2E (Chap3.Range_To_Right (Arange1))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Right (Res1)), M2E (Chap3.Range_To_Left (Arange1))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Res1)), M2E (Chap3.Range_To_Length (Arange1))); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Eq, M2E (Chap3.Range_To_Dir (Arange1)), New_Lit (Ghdl_Dir_To_Node), Ghdl_Bool_Type)); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Res1)), New_Lit (Ghdl_Dir_Downto_Node)); New_Else_Stmt (If_Blk); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Res1)), New_Lit (Ghdl_Dir_To_Node)); Finish_If_Stmt (If_Blk); Close_Temp; end Translate_Reverse_Range; procedure Copy_Range (Dest : Mnode; Src : Mnode) is Info : constant Type_Info_Acc := Get_Type_Info (Dest); Dest1 : Mnode; Src1 : Mnode; begin Open_Temp; Dest1 := Stabilize (Dest); Src1 := Stabilize (Src); New_Assign_Stmt (M2Lv (Chap3.Range_To_Left (Dest1)), M2E (Chap3.Range_To_Left (Src1))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Right (Dest1)), M2E (Chap3.Range_To_Right (Src1))); New_Assign_Stmt (M2Lv (Chap3.Range_To_Dir (Dest1)), M2E (Chap3.Range_To_Dir (Src1))); if Info.T.Range_Length /= O_Fnode_Null then -- Floating point types have no length. New_Assign_Stmt (M2Lv (Chap3.Range_To_Length (Dest1)), M2E (Chap3.Range_To_Length (Src1))); end if; Close_Temp; end Copy_Range; procedure Translate_Range (Res : Mnode; Arange : Iir; Range_Type : Iir) is Rinfo : constant Type_Info_Acc := Get_Info (Get_Base_Type (Range_Type)); begin case Get_Kind (Arange) is when Iir_Kind_Range_Array_Attribute => declare Ptr : O_Dnode; begin Open_Temp; Ptr := Create_Temp_Ptr (Rinfo.T.Range_Ptr_Type, Chap14.Translate_Range_Array_Attribute (Arange)); Copy_Range (Res, Dp2M (Ptr, Rinfo, Mode_Value, Rinfo.T.Range_Type, Rinfo.T.Range_Ptr_Type)); Close_Temp; end; when Iir_Kind_Reverse_Range_Array_Attribute => Translate_Reverse_Range (Res, Chap14.Translate_Range_Array_Attribute (Arange), Range_Type); when Iir_Kind_Range_Expression => Translate_Range_Expression (Res, Arange, Range_Type); when others => Error_Kind ("translate_range_ptr", Arange); end case; end Translate_Range; procedure Translate_Discrete_Range (Res : Mnode; Arange : Iir) is begin case Get_Kind (Arange) is when Iir_Kind_Integer_Subtype_Definition | Iir_Kind_Enumeration_Subtype_Definition => if not Is_Anonymous_Type_Definition (Arange) then declare Rinfo : constant Type_Info_Acc := Get_Info (Arange); begin Copy_Range (Res, Lv2M (Get_Var (Rinfo.T.Range_Var), Rinfo, Mode_Value, Rinfo.T.Range_Type, Rinfo.T.Range_Ptr_Type)); end; else Translate_Range (Res, Get_Range_Constraint (Arange), Get_Base_Type (Arange)); end if; when Iir_Kind_Range_Array_Attribute | Iir_Kind_Reverse_Range_Array_Attribute | Iir_Kind_Range_Expression => Translate_Range (Res, Arange, Get_Type (Arange)); when others => Error_Kind ("translate_discrete_range_ptr", Arange); end case; end Translate_Discrete_Range; function Translate_Range (Arange : Iir; Range_Type : Iir) return O_Lnode is begin case Get_Kind (Arange) is when Iir_Kinds_Denoting_Name => return Translate_Range (Get_Named_Entity (Arange), Range_Type); when Iir_Kind_Subtype_Declaration => -- Must be a scalar subtype. Range of types is static. return Get_Var (Get_Info (Get_Type (Arange)).T.Range_Var); when Iir_Kind_Range_Array_Attribute => return Chap14.Translate_Range_Array_Attribute (Arange); when Iir_Kind_Reverse_Range_Array_Attribute => declare Rinfo : constant Type_Info_Acc := Get_Info (Range_Type); Res : O_Dnode; begin Res := Create_Temp (Rinfo.T.Range_Type); Translate_Reverse_Range (Dv2M (Res, Rinfo, Mode_Value), Chap14.Translate_Range_Array_Attribute (Arange), Range_Type); return New_Obj (Res); end; when Iir_Kind_Range_Expression => declare Rinfo : constant Type_Info_Acc := Get_Info (Range_Type); Res : O_Dnode; begin Res := Create_Temp (Rinfo.T.Range_Type); Translate_Range_Expression (Dv2M (Res, Rinfo, Mode_Value, Rinfo.T.Range_Type, Rinfo.T.Range_Ptr_Type), Arange, Range_Type); return New_Obj (Res); end; when others => Error_Kind ("translate_range", Arange); end case; end Translate_Range; function Translate_Static_Range (Arange : Iir; Range_Type : Iir) return O_Cnode is Constr : O_Record_Aggr_List; Res : O_Cnode; T_Info : constant Type_Info_Acc := Get_Info (Range_Type); begin Start_Record_Aggr (Constr, T_Info.T.Range_Type); New_Record_Aggr_El (Constr, Chap7.Translate_Static_Range_Left (Arange, Range_Type)); New_Record_Aggr_El (Constr, Chap7.Translate_Static_Range_Right (Arange, Range_Type)); New_Record_Aggr_El (Constr, Chap7.Translate_Static_Range_Dir (Arange)); if T_Info.T.Range_Length /= O_Fnode_Null then New_Record_Aggr_El (Constr, Chap7.Translate_Static_Range_Length (Arange)); end if; Finish_Record_Aggr (Constr, Res); return Res; end Translate_Static_Range; procedure Translate_Predefined_Array_Compare (Subprg : Iir) is procedure Gen_Compare (L, R : O_Dnode) is If_Blk1, If_Blk2 : O_If_Block; begin Start_If_Stmt (If_Blk1, New_Compare_Op (ON_Neq, New_Obj_Value (L), New_Obj_Value (R), Ghdl_Bool_Type)); Start_If_Stmt (If_Blk2, New_Compare_Op (ON_Gt, New_Obj_Value (L), New_Obj_Value (R), Ghdl_Bool_Type)); New_Return_Stmt (New_Lit (Ghdl_Compare_Gt)); New_Else_Stmt (If_Blk2); New_Return_Stmt (New_Lit (Ghdl_Compare_Lt)); Finish_If_Stmt (If_Blk2); Finish_If_Stmt (If_Blk1); end Gen_Compare; Arr_Type : constant Iir_Array_Type_Definition := Get_Type (Get_Interface_Declaration_Chain (Subprg)); Info : constant Type_Info_Acc := Get_Info (Arr_Type); Id : constant Name_Id := Get_Identifier (Get_Type_Declarator (Arr_Type)); Arr_Ptr_Type : constant O_Tnode := Info.Ortho_Ptr_Type (Mode_Value); F_Info : Subprg_Info_Acc; L, R : O_Dnode; Interface_List : O_Inter_List; If_Blk : O_If_Block; Var_L_Len, Var_R_Len : O_Dnode; Var_L_El, Var_R_El : O_Dnode; Var_I, Var_Len : O_Dnode; Label : O_Snode; El_Otype : O_Tnode; begin F_Info := Add_Info (Subprg, Kind_Subprg); --Chap2.Clear_Instance_Data (F_Info.Subprg_Instance); -- Create function. Start_Function_Decl (Interface_List, Create_Identifier (Id, "_CMP"), Global_Storage, Ghdl_Compare_Type); New_Interface_Decl (Interface_List, L, Wki_Left, Arr_Ptr_Type); New_Interface_Decl (Interface_List, R, Wki_Right, Arr_Ptr_Type); Finish_Subprogram_Decl (Interface_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; El_Otype := Get_Ortho_Type (Get_Element_Subtype (Arr_Type), Mode_Value); Start_Subprogram_Body (F_Info.Ortho_Func); -- Compute length of L and R. New_Var_Decl (Var_L_Len, Wki_L_Len, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_R_Len, Wki_R_Len, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_Len, Wki_Length, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type); New_Assign_Stmt (New_Obj (Var_L_Len), Chap6.Get_Array_Bound_Length (Dp2M (L, Info, Mode_Value), Arr_Type, 1)); New_Assign_Stmt (New_Obj (Var_R_Len), Chap6.Get_Array_Bound_Length (Dp2M (R, Info, Mode_Value), Arr_Type, 1)); -- Find the minimum length. Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_L_Len), New_Obj_Value (Var_R_Len), Ghdl_Bool_Type)); New_Assign_Stmt (New_Obj (Var_Len), New_Obj_Value (Var_R_Len)); New_Else_Stmt (If_Blk); New_Assign_Stmt (New_Obj (Var_Len), New_Obj_Value (Var_L_Len)); Finish_If_Stmt (If_Blk); -- for each element, compare elements; if not equal return the -- comparaison result. Init_Var (Var_I); Start_Loop_Stmt (Label); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I), New_Obj_Value (Var_Len), Ghdl_Bool_Type)); -- Compare the length and return the result. Gen_Compare (Var_L_Len, Var_R_Len); New_Return_Stmt (New_Lit (Ghdl_Compare_Eq)); Finish_If_Stmt (If_Blk); Start_Declare_Stmt; New_Var_Decl (Var_L_El, Get_Identifier ("l_el"), O_Storage_Local, El_Otype); New_Var_Decl (Var_R_El, Get_Identifier ("r_el"), O_Storage_Local, El_Otype); New_Assign_Stmt (New_Obj (Var_L_El), M2E (Chap3.Index_Base (Chap3.Get_Array_Base (Dp2M (L, Info, Mode_Value)), Arr_Type, New_Obj_Value (Var_I)))); New_Assign_Stmt (New_Obj (Var_R_El), M2E (Chap3.Index_Base (Chap3.Get_Array_Base (Dp2M (R, Info, Mode_Value)), Arr_Type, New_Obj_Value (Var_I)))); Gen_Compare (Var_L_El, Var_R_El); Finish_Declare_Stmt; Inc_Var (Var_I); Finish_Loop_Stmt (Label); Finish_Subprogram_Body; end Translate_Predefined_Array_Compare; -- Find the declaration of the predefined function IMP in type -- definition BASE_TYPE. function Find_Predefined_Function (Base_Type : Iir; Imp : Iir_Predefined_Functions) return Iir is El : Iir; begin El := Get_Chain (Get_Type_Declarator (Base_Type)); while El /= Null_Iir loop pragma Assert (Is_Implicit_Subprogram (El)); if Get_Implicit_Definition (El) = Imp then return El; else El := Get_Chain (El); end if; end loop; raise Internal_Error; end Find_Predefined_Function; function Translate_Equality (L, R : Mnode; Etype : Iir) return O_Enode is Tinfo : Type_Info_Acc; begin Tinfo := Get_Type_Info (L); case Tinfo.Type_Mode is when Type_Mode_Scalar | Type_Mode_Acc => return New_Compare_Op (ON_Eq, M2E (L), M2E (R), Ghdl_Bool_Type); when Type_Mode_Fat_Acc => -- a fat pointer. declare B : Type_Info_Acc; Ln, Rn : Mnode; V1, V2 : O_Enode; begin B := Get_Info (Get_Designated_Type (Etype)); Ln := Stabilize (L); Rn := Stabilize (R); V1 := New_Compare_Op (ON_Eq, New_Value (New_Selected_Element (M2Lv (Ln), B.T.Base_Field (Mode_Value))), New_Value (New_Selected_Element (M2Lv (Rn), B.T.Base_Field (Mode_Value))), Std_Boolean_Type_Node); V2 := New_Compare_Op (ON_Eq, New_Value (New_Selected_Element (M2Lv (Ln), B.T.Bounds_Field (Mode_Value))), New_Value (New_Selected_Element (M2Lv (Rn), B.T.Bounds_Field (Mode_Value))), Std_Boolean_Type_Node); return New_Dyadic_Op (ON_And, V1, V2); end; when Type_Mode_Array => declare Lc, Rc : O_Enode; Base_Type : Iir_Array_Type_Definition; Func : Iir; begin Base_Type := Get_Base_Type (Etype); Lc := Translate_Implicit_Conv (M2E (L), Etype, Base_Type, Mode_Value, Null_Iir); Rc := Translate_Implicit_Conv (M2E (R), Etype, Base_Type, Mode_Value, Null_Iir); Func := Find_Predefined_Function (Base_Type, Iir_Predefined_Array_Equality); return Translate_Predefined_Lib_Operator (Lc, Rc, Func); end; when Type_Mode_Record => declare Func : Iir; begin Func := Find_Predefined_Function (Get_Base_Type (Etype), Iir_Predefined_Record_Equality); return Translate_Predefined_Lib_Operator (M2E (L), M2E (R), Func); end; when Type_Mode_Unknown | Type_Mode_File | Type_Mode_Fat_Array | Type_Mode_Protected => raise Internal_Error; end case; end Translate_Equality; procedure Translate_Predefined_Array_Equality (Subprg : Iir) is F_Info : Subprg_Info_Acc; Arr_Type : Iir_Array_Type_Definition; Arr_Ptr_Type : O_Tnode; Info : Type_Info_Acc; Id : Name_Id; Var_L, Var_R : O_Dnode; L, R : Mnode; Interface_List : O_Inter_List; Indexes : Iir_List; Nbr_Indexes : Natural; If_Blk : O_If_Block; Var_I : O_Dnode; Var_Len : O_Dnode; Label : O_Snode; Le, Re : Mnode; El_Type : Iir; begin Arr_Type := Get_Type (Get_Interface_Declaration_Chain (Subprg)); El_Type := Get_Element_Subtype (Arr_Type); Info := Get_Info (Arr_Type); Id := Get_Identifier (Get_Type_Declarator (Arr_Type)); Arr_Ptr_Type := Info.Ortho_Ptr_Type (Mode_Value); F_Info := Add_Info (Subprg, Kind_Subprg); -- Create function. Start_Function_Decl (Interface_List, Create_Identifier (Id, "_EQ"), Global_Storage, Std_Boolean_Type_Node); Subprgs.Create_Subprg_Instance (Interface_List, Subprg); New_Interface_Decl (Interface_List, Var_L, Wki_Left, Arr_Ptr_Type); New_Interface_Decl (Interface_List, Var_R, Wki_Right, Arr_Ptr_Type); Finish_Subprogram_Decl (Interface_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; L := Dp2M (Var_L, Info, Mode_Value); R := Dp2M (Var_R, Info, Mode_Value); Indexes := Get_Index_Subtype_List (Arr_Type); Nbr_Indexes := Get_Nbr_Elements (Indexes); Start_Subprogram_Body (F_Info.Ortho_Func); Subprgs.Start_Subprg_Instance_Use (Subprg); -- for each dimension: if length mismatch: return false for I in 1 .. Nbr_Indexes loop Start_If_Stmt (If_Blk, New_Compare_Op (ON_Neq, M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (L, Arr_Type, I))), M2E (Chap3.Range_To_Length (Chap3.Get_Array_Range (R, Arr_Type, I))), Std_Boolean_Type_Node)); New_Return_Stmt (New_Lit (Std_Boolean_False_Node)); Finish_If_Stmt (If_Blk); end loop; -- for each element: if element is not equal, return false New_Var_Decl (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_Len, Wki_Length, O_Storage_Local, Ghdl_Index_Type); Open_Temp; New_Assign_Stmt (New_Obj (Var_Len), Chap3.Get_Array_Length (L, Arr_Type)); Close_Temp; Init_Var (Var_I); Start_Loop_Stmt (Label); -- If the end of the array is reached, return TRUE. Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I), New_Obj_Value (Var_Len), Ghdl_Bool_Type)); New_Return_Stmt (New_Lit (Std_Boolean_True_Node)); Finish_If_Stmt (If_Blk); Open_Temp; Le := Chap3.Index_Base (Chap3.Get_Array_Base (L), Arr_Type, New_Obj_Value (Var_I)); Re := Chap3.Index_Base (Chap3.Get_Array_Base (R), Arr_Type, New_Obj_Value (Var_I)); Start_If_Stmt (If_Blk, New_Monadic_Op (ON_Not, Translate_Equality (Le, Re, El_Type))); New_Return_Stmt (New_Lit (Std_Boolean_False_Node)); Finish_If_Stmt (If_Blk); Close_Temp; Inc_Var (Var_I); Finish_Loop_Stmt (Label); Subprgs.Finish_Subprg_Instance_Use (Subprg); Finish_Subprogram_Body; end Translate_Predefined_Array_Equality; procedure Translate_Predefined_Record_Equality (Subprg : Iir) is F_Info : Subprg_Info_Acc; Rec_Type : Iir_Record_Type_Definition; Rec_Ptr_Type : O_Tnode; Info : Type_Info_Acc; Id : Name_Id; Var_L, Var_R : O_Dnode; L, R : Mnode; Interface_List : O_Inter_List; If_Blk : O_If_Block; Le, Re : Mnode; El_List : Iir_List; El : Iir_Element_Declaration; begin Rec_Type := Get_Type (Get_Interface_Declaration_Chain (Subprg)); Info := Get_Info (Rec_Type); Id := Get_Identifier (Get_Type_Declarator (Rec_Type)); Rec_Ptr_Type := Info.Ortho_Ptr_Type (Mode_Value); F_Info := Add_Info (Subprg, Kind_Subprg); --Chap2.Clear_Instance_Data (F_Info.Subprg_Instance); -- Create function. Start_Function_Decl (Interface_List, Create_Identifier (Id, "_EQ"), Global_Storage, Std_Boolean_Type_Node); Subprgs.Create_Subprg_Instance (Interface_List, Subprg); New_Interface_Decl (Interface_List, Var_L, Wki_Left, Rec_Ptr_Type); New_Interface_Decl (Interface_List, Var_R, Wki_Right, Rec_Ptr_Type); Finish_Subprogram_Decl (Interface_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; Start_Subprogram_Body (F_Info.Ortho_Func); Subprgs.Start_Subprg_Instance_Use (Subprg); L := Dp2M (Var_L, Info, Mode_Value); R := Dp2M (Var_R, Info, Mode_Value); -- Compare each element. El_List := Get_Elements_Declaration_List (Rec_Type); for I in Natural loop El := Get_Nth_Element (El_List, I); exit when El = Null_Iir; Le := Chap6.Translate_Selected_Element (L, El); Re := Chap6.Translate_Selected_Element (R, El); Open_Temp; Start_If_Stmt (If_Blk, New_Monadic_Op (ON_Not, Translate_Equality (Le, Re, Get_Type (El)))); New_Return_Stmt (New_Lit (Std_Boolean_False_Node)); Finish_If_Stmt (If_Blk); Close_Temp; end loop; New_Return_Stmt (New_Lit (Std_Boolean_True_Node)); Subprgs.Finish_Subprg_Instance_Use (Subprg); Finish_Subprogram_Body; end Translate_Predefined_Record_Equality; procedure Translate_Predefined_Array_Logical (Subprg : Iir) is Arr_Type : constant Iir_Array_Type_Definition := Get_Type (Get_Interface_Declaration_Chain (Subprg)); -- Info for the array type. Info : constant Type_Info_Acc := Get_Info (Arr_Type); -- Identifier of the type. Id : constant Name_Id := Get_Identifier (Get_Type_Declarator (Arr_Type)); Arr_Ptr_Type : constant O_Tnode := Info.Ortho_Ptr_Type (Mode_Value); F_Info : Subprg_Info_Acc; Interface_List : O_Inter_List; Var_Res : O_Dnode; Res : Mnode; L, R : O_Dnode; Var_Length, Var_I : O_Dnode; Var_Base : O_Dnode; Var_L_Base : O_Dnode; Var_R_Base : O_Dnode; If_Blk : O_If_Block; Label : O_Snode; Name : O_Ident; Is_Monadic : Boolean; El, L_El : O_Enode; Op : ON_Op_Kind; Do_Invert : Boolean; begin F_Info := Add_Info (Subprg, Kind_Subprg); --Chap2.Clear_Instance_Data (F_Info.Subprg_Instance); F_Info.Use_Stack2 := True; Is_Monadic := False; case Get_Implicit_Definition (Subprg) is when Iir_Predefined_TF_Array_And => Name := Create_Identifier (Id, "_AND"); Op := ON_And; Do_Invert := False; when Iir_Predefined_TF_Array_Or => Name := Create_Identifier (Id, "_OR"); Op := ON_Or; Do_Invert := False; when Iir_Predefined_TF_Array_Nand => Name := Create_Identifier (Id, "_NAND"); Op := ON_And; Do_Invert := True; when Iir_Predefined_TF_Array_Nor => Name := Create_Identifier (Id, "_NOR"); Op := ON_Or; Do_Invert := True; when Iir_Predefined_TF_Array_Xor => Name := Create_Identifier (Id, "_XOR"); Op := ON_Xor; Do_Invert := False; when Iir_Predefined_TF_Array_Xnor => Name := Create_Identifier (Id, "_XNOR"); Op := ON_Xor; Do_Invert := True; when Iir_Predefined_TF_Array_Not => Name := Create_Identifier (Id, "_NOT"); Is_Monadic := True; Op := ON_Not; Do_Invert := False; when others => raise Internal_Error; end case; -- Create function. Start_Procedure_Decl (Interface_List, Name, Global_Storage); -- Note: contrary to user function which returns composite value -- via a result record, a concatenation returns its value without -- the use of the record. New_Interface_Decl (Interface_List, Var_Res, Wki_Res, Arr_Ptr_Type); New_Interface_Decl (Interface_List, L, Wki_Left, Arr_Ptr_Type); if not Is_Monadic then New_Interface_Decl (Interface_List, R, Wki_Right, Arr_Ptr_Type); end if; Finish_Subprogram_Decl (Interface_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; Start_Subprogram_Body (F_Info.Ortho_Func); New_Var_Decl (Var_Length, Wki_Length, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_Base, Get_Identifier ("base"), O_Storage_Local, Info.T.Base_Ptr_Type (Mode_Value)); New_Var_Decl (Var_L_Base, Get_Identifier ("l_base"), O_Storage_Local, Info.T.Base_Ptr_Type (Mode_Value)); if not Is_Monadic then New_Var_Decl (Var_R_Base, Get_Identifier ("r_base"), O_Storage_Local, Info.T.Base_Ptr_Type (Mode_Value)); end if; Open_Temp; -- Get length of LEFT. New_Assign_Stmt (New_Obj (Var_Length), Chap6.Get_Array_Bound_Length (Dp2M (L, Info, Mode_Value), Arr_Type, 1)); -- If dyadic, check RIGHT has the same length. if not Is_Monadic then Chap6.Check_Bound_Error (New_Compare_Op (ON_Neq, New_Obj_Value (Var_Length), Chap6.Get_Array_Bound_Length (Dp2M (R, Info, Mode_Value), Arr_Type, 1), Ghdl_Bool_Type), Subprg, 0); end if; -- Create the result from LEFT bound. Res := Dp2M (Var_Res, Info, Mode_Value); Chap3.Translate_Object_Allocation (Res, Alloc_Return, Arr_Type, Chap3.Get_Array_Bounds (Dp2M (L, Info, Mode_Value))); New_Assign_Stmt (New_Obj (Var_Base), M2Addr (Chap3.Get_Array_Base (Res))); New_Assign_Stmt (New_Obj (Var_L_Base), M2Addr (Chap3.Get_Array_Base (Dp2M (L, Info, Mode_Value)))); if not Is_Monadic then New_Assign_Stmt (New_Obj (Var_R_Base), M2Addr (Chap3.Get_Array_Base (Dp2M (R, Info, Mode_Value)))); end if; -- Do the logical operation on each element. Init_Var (Var_I); Start_Loop_Stmt (Label); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); New_Return_Stmt; Finish_If_Stmt (If_Blk); L_El := New_Value (New_Indexed_Element (New_Acc_Value (New_Obj (Var_L_Base)), New_Obj_Value (Var_I))); if Is_Monadic then El := New_Monadic_Op (Op, L_El); else El := New_Dyadic_Op (Op, L_El, New_Value (New_Indexed_Element (New_Acc_Value (New_Obj (Var_R_Base)), New_Obj_Value (Var_I)))); end if; if Do_Invert then El := New_Monadic_Op (ON_Not, El); end if; New_Assign_Stmt (New_Indexed_Element (New_Acc_Value (New_Obj (Var_Base)), New_Obj_Value (Var_I)), El); Inc_Var (Var_I); Finish_Loop_Stmt (Label); Close_Temp; Finish_Subprogram_Body; end Translate_Predefined_Array_Logical; procedure Translate_Predefined_Array_Shift (Subprg : Iir) is F_Info : Subprg_Info_Acc; Inter : Iir; Arr_Type : Iir_Array_Type_Definition; Arr_Ptr_Type : O_Tnode; Int_Type : O_Tnode; -- Info for the array type. Info : Type_Info_Acc; Id : Name_Id; Interface_List : O_Inter_List; Var_Res : O_Dnode; Var_L, Var_R : O_Dnode; Name : O_Ident; type Shift_Kind is (Sh_Logical, Sh_Arith, Rotation); Shift : Shift_Kind; -- Body; Var_Length, Var_I, Var_I1 : O_Dnode; Var_Res_Base, Var_L_Base : O_Dnode; Var_Rl : O_Dnode; Var_E : O_Dnode; L : Mnode; If_Blk, If_Blk1 : O_If_Block; Label : O_Snode; Res : Mnode; procedure Do_Shift (To_Right : Boolean) is Tmp : O_Enode; begin -- LEFT: -- * I := 0; if not To_Right then Init_Var (Var_I); end if; -- * If R < LENGTH then Start_If_Stmt (If_Blk1, New_Compare_Op (ON_Lt, New_Obj_Value (Var_Rl), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); -- Shift the elements (that remains in the result). -- RIGHT: -- * for I = R to LENGTH - 1 loop -- * RES[I] := L[I - R] -- LEFT: -- * for I = 0 to LENGTH - R loop -- * RES[I] := L[R + I] if To_Right then New_Assign_Stmt (New_Obj (Var_I), New_Obj_Value (Var_Rl)); Init_Var (Var_I1); else New_Assign_Stmt (New_Obj (Var_I1), New_Obj_Value (Var_Rl)); end if; Start_Loop_Stmt (Label); if To_Right then Tmp := New_Obj_Value (Var_I); else Tmp := New_Obj_Value (Var_I1); end if; Gen_Exit_When (Label, New_Compare_Op (ON_Ge, Tmp, New_Obj_Value (Var_Length), Ghdl_Bool_Type)); New_Assign_Stmt (New_Indexed_Acc_Value (New_Obj (Var_Res_Base), New_Obj_Value (Var_I)), New_Value (New_Indexed_Acc_Value (New_Obj (Var_L_Base), New_Obj_Value (Var_I1)))); Inc_Var (Var_I); Inc_Var (Var_I1); Finish_Loop_Stmt (Label); -- RIGHT: -- * else -- * R := LENGTH; if To_Right then New_Else_Stmt (If_Blk1); New_Assign_Stmt (New_Obj (Var_Rl), New_Obj_Value (Var_Length)); end if; Finish_If_Stmt (If_Blk1); -- Pad the result. -- RIGHT: -- * For I = 0 to R - 1 -- * RES[I] := 0/L[0/LENGTH-1] -- LEFT: -- * For I = LENGTH - R to LENGTH - 1 -- * RES[I] := 0/L[0/LENGTH-1] if To_Right then Init_Var (Var_I); else -- I is yet correctly set. null; end if; if Shift = Sh_Arith then if To_Right then Tmp := New_Lit (Ghdl_Index_0); else Tmp := New_Dyadic_Op (ON_Sub_Ov, New_Obj_Value (Var_Length), New_Lit (Ghdl_Index_1)); end if; New_Assign_Stmt (New_Obj (Var_E), New_Value (New_Indexed_Acc_Value (New_Obj (Var_L_Base), Tmp))); end if; Start_Loop_Stmt (Label); if To_Right then Tmp := New_Obj_Value (Var_Rl); else Tmp := New_Obj_Value (Var_Length); end if; Gen_Exit_When (Label, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I), Tmp, Ghdl_Bool_Type)); case Shift is when Sh_Logical => declare Enum_List : Iir_List; begin Enum_List := Get_Enumeration_Literal_List (Get_Base_Type (Get_Element_Subtype (Arr_Type))); Tmp := New_Lit (Get_Ortho_Expr (Get_First_Element (Enum_List))); end; when Sh_Arith => Tmp := New_Obj_Value (Var_E); when Rotation => raise Internal_Error; end case; New_Assign_Stmt (New_Indexed_Acc_Value (New_Obj (Var_Res_Base), New_Obj_Value (Var_I)), Tmp); Inc_Var (Var_I); Finish_Loop_Stmt (Label); end Do_Shift; begin Inter := Get_Interface_Declaration_Chain (Subprg); Info := Get_Info (Get_Type (Get_Chain (Inter))); Int_Type := Info.Ortho_Type (Mode_Value); Arr_Type := Get_Type (Inter); Info := Get_Info (Arr_Type); Id := Get_Identifier (Get_Type_Declarator (Arr_Type)); Arr_Ptr_Type := Info.Ortho_Ptr_Type (Mode_Value); F_Info := Add_Info (Subprg, Kind_Subprg); --Chap2.Clear_Instance_Data (F_Info.Subprg_Instance); F_Info.Use_Stack2 := True; case Get_Implicit_Definition (Subprg) is when Iir_Predefined_Array_Sll | Iir_Predefined_Array_Srl => -- Shift logical. Name := Create_Identifier (Id, "_SHL"); Shift := Sh_Logical; when Iir_Predefined_Array_Sla | Iir_Predefined_Array_Sra => -- Shift arithmetic. Name := Create_Identifier (Id, "_SHA"); Shift := Sh_Arith; when Iir_Predefined_Array_Rol | Iir_Predefined_Array_Ror => -- Rotation Name := Create_Identifier (Id, "_ROT"); Shift := Rotation; when others => raise Internal_Error; end case; -- Create function. Start_Procedure_Decl (Interface_List, Name, Global_Storage); -- Note: contrary to user function which returns composite value -- via a result record, a shift returns its value without -- the use of the record. New_Interface_Decl (Interface_List, Var_Res, Wki_Res, Arr_Ptr_Type); New_Interface_Decl (Interface_List, Var_L, Wki_Left, Arr_Ptr_Type); New_Interface_Decl (Interface_List, Var_R, Wki_Right, Int_Type); Finish_Subprogram_Decl (Interface_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; -- Body Start_Subprogram_Body (F_Info.Ortho_Func); New_Var_Decl (Var_Length, Wki_Length, O_Storage_Local, Ghdl_Index_Type); if Shift /= Rotation then New_Var_Decl (Var_Rl, Get_Identifier ("rl"), O_Storage_Local, Ghdl_Index_Type); end if; New_Var_Decl (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_I1, Get_Identifier ("I1"), O_Storage_Local, Ghdl_Index_Type); New_Var_Decl (Var_Res_Base, Get_Identifier ("res_base"), O_Storage_Local, Info.T.Base_Ptr_Type (Mode_Value)); New_Var_Decl (Var_L_Base, Get_Identifier ("l_base"), O_Storage_Local, Info.T.Base_Ptr_Type (Mode_Value)); if Shift = Sh_Arith then New_Var_Decl (Var_E, Get_Identifier ("E"), O_Storage_Local, Get_Info (Get_Element_Subtype (Arr_Type)). Ortho_Type (Mode_Value)); end if; Res := Dp2M (Var_Res, Info, Mode_Value); L := Dp2M (Var_L, Info, Mode_Value); -- LRM93 7.2.3 -- The index subtypes of the return values of all shift operators is -- the same as the index subtype of their left arguments. New_Assign_Stmt (M2Lp (Chap3.Get_Array_Bounds (Res)), M2Addr (Chap3.Get_Array_Bounds (L))); -- Get length of LEFT. New_Assign_Stmt (New_Obj (Var_Length), Chap3.Get_Array_Length (L, Arr_Type)); -- LRM93 7.2.3 [6 times] -- That is, if R is 0 or L is a null array, the return value is L. Start_If_Stmt (If_Blk, New_Dyadic_Op (ON_Or, New_Compare_Op (ON_Eq, New_Obj_Value (Var_R), New_Lit (New_Signed_Literal (Int_Type, 0)), Ghdl_Bool_Type), New_Compare_Op (ON_Eq, New_Obj_Value (Var_Length), New_Lit (Ghdl_Index_0), Ghdl_Bool_Type))); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), M2Addr (Chap3.Get_Array_Base (L))); New_Return_Stmt; Finish_If_Stmt (If_Blk); -- Allocate base. New_Assign_Stmt (New_Obj (Var_Res_Base), Gen_Alloc (Alloc_Return, New_Obj_Value (Var_Length), Info.T.Base_Ptr_Type (Mode_Value))); New_Assign_Stmt (M2Lp (Chap3.Get_Array_Base (Res)), New_Obj_Value (Var_Res_Base)); New_Assign_Stmt (New_Obj (Var_L_Base), M2Addr (Chap3.Get_Array_Base (L))); Start_If_Stmt (If_Blk, New_Compare_Op (ON_Gt, New_Obj_Value (Var_R), New_Lit (New_Signed_Literal (Int_Type, 0)), Ghdl_Bool_Type)); -- R > 0. -- Ie, to the right case Shift is when Rotation => -- * I1 := LENGTH - (R mod LENGTH) New_Assign_Stmt (New_Obj (Var_I1), New_Dyadic_Op (ON_Sub_Ov, New_Obj_Value (Var_Length), New_Dyadic_Op (ON_Mod_Ov, New_Convert_Ov (New_Obj_Value (Var_R), Ghdl_Index_Type), New_Obj_Value (Var_Length)))); when Sh_Logical | Sh_Arith => -- Real SRL or SRA. New_Assign_Stmt (New_Obj (Var_Rl), New_Convert_Ov (New_Obj_Value (Var_R), Ghdl_Index_Type)); Do_Shift (True); end case; New_Else_Stmt (If_Blk); -- R < 0, to the left. case Shift is when Rotation => -- * I1 := (-R) mod LENGTH New_Assign_Stmt (New_Obj (Var_I1), New_Dyadic_Op (ON_Mod_Ov, New_Convert_Ov (New_Monadic_Op (ON_Neg_Ov, New_Obj_Value (Var_R)), Ghdl_Index_Type), New_Obj_Value (Var_Length))); when Sh_Logical | Sh_Arith => -- Real SLL or SLA. New_Assign_Stmt (New_Obj (Var_Rl), New_Convert_Ov (New_Monadic_Op (ON_Neg_Ov, New_Obj_Value (Var_R)), Ghdl_Index_Type)); Do_Shift (False); end case; Finish_If_Stmt (If_Blk); if Shift = Rotation then -- * If I1 = LENGTH then -- * I1 := 0 Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I1), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); Init_Var (Var_I1); Finish_If_Stmt (If_Blk); -- * for I = 0 to LENGTH - 1 loop -- * RES[I] := L[I1]; Init_Var (Var_I); Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); New_Assign_Stmt (New_Indexed_Acc_Value (New_Obj (Var_Res_Base), New_Obj_Value (Var_I)), New_Value (New_Indexed_Acc_Value (New_Obj (Var_L_Base), New_Obj_Value (Var_I1)))); Inc_Var (Var_I); -- * I1 := I1 + 1 Inc_Var (Var_I1); -- * If I1 = LENGTH then -- * I1 := 0 Start_If_Stmt (If_Blk, New_Compare_Op (ON_Ge, New_Obj_Value (Var_I1), New_Obj_Value (Var_Length), Ghdl_Bool_Type)); Init_Var (Var_I1); Finish_If_Stmt (If_Blk); Finish_Loop_Stmt (Label); end if; Finish_Subprogram_Body; end Translate_Predefined_Array_Shift; procedure Translate_File_Subprogram (Subprg : Iir; File_Type : Iir) is Etype : Iir; Tinfo : Type_Info_Acc; Kind : Iir_Predefined_Functions; F_Info : Subprg_Info_Acc; Name : O_Ident; Inter_List : O_Inter_List; Id : Name_Id; Var_File : O_Dnode; Var_Val : O_Dnode; procedure Translate_Rw (Val : Mnode; Val_Type : Iir; Proc : O_Dnode); procedure Translate_Rw_Array (Val : Mnode; Val_Type : Iir; Var_Max : O_Dnode; Proc : O_Dnode) is Var_It : O_Dnode; Label : O_Snode; begin Var_It := Create_Temp (Ghdl_Index_Type); Init_Var (Var_It); Start_Loop_Stmt (Label); Gen_Exit_When (Label, New_Compare_Op (ON_Eq, New_Obj_Value (Var_It), New_Obj_Value (Var_Max), Ghdl_Bool_Type)); Translate_Rw (Chap3.Index_Base (Val, Val_Type, New_Obj_Value (Var_It)), Get_Element_Subtype (Val_Type), Proc); Inc_Var (Var_It); Finish_Loop_Stmt (Label); end Translate_Rw_Array; procedure Translate_Rw (Val : Mnode; Val_Type : Iir; Proc : O_Dnode) is Val_Info : Type_Info_Acc; Assocs : O_Assoc_List; begin Val_Info := Get_Type_Info (Val); case Val_Info.Type_Mode is when Type_Mode_Scalar => Start_Association (Assocs, Proc); -- compute file parameter (get an index) New_Association (Assocs, New_Obj_Value (Var_File)); -- compute the value. New_Association (Assocs, New_Convert_Ov (M2Addr (Val), Ghdl_Ptr_Type)); -- length. New_Association (Assocs, New_Lit (New_Sizeof (Val_Info.Ortho_Type (Mode_Value), Ghdl_Index_Type))); -- call a predefined procedure New_Procedure_Call (Assocs); when Type_Mode_Record => declare El_List : Iir_List; El : Iir; Val1 : Mnode; begin Open_Temp; Val1 := Stabilize (Val); El_List := Get_Elements_Declaration_List (Get_Base_Type (Val_Type)); for I in Natural loop El := Get_Nth_Element (El_List, I); exit when El = Null_Iir; Translate_Rw (Chap6.Translate_Selected_Element (Val1, El), Get_Type (El), Proc); end loop; Close_Temp; end; when Type_Mode_Array => declare Var_Max : O_Dnode; begin Open_Temp; Var_Max := Create_Temp (Ghdl_Index_Type); New_Assign_Stmt (New_Obj (Var_Max), Chap3.Get_Array_Type_Length (Val_Type)); Translate_Rw_Array (Val, Val_Type, Var_Max, Proc); Close_Temp; end; when Type_Mode_Unknown | Type_Mode_File | Type_Mode_Acc | Type_Mode_Fat_Acc | Type_Mode_Fat_Array | Type_Mode_Protected => raise Internal_Error; end case; end Translate_Rw; procedure Translate_Rw_Length (Var_Length : O_Dnode; Proc : O_Dnode) is Assocs : O_Assoc_List; begin Start_Association (Assocs, Proc); New_Association (Assocs, New_Obj_Value (Var_File)); New_Association (Assocs, New_Unchecked_Address (New_Obj (Var_Length), Ghdl_Ptr_Type)); New_Association (Assocs, New_Lit (New_Sizeof (Ghdl_Index_Type, Ghdl_Index_Type))); New_Procedure_Call (Assocs); end Translate_Rw_Length; Var : Mnode; begin Etype := Get_Type (Get_File_Type_Mark (File_Type)); Tinfo := Get_Info (Etype); if Tinfo.Type_Mode in Type_Mode_Scalar then -- Intrinsic. return; end if; F_Info := Add_Info (Subprg, Kind_Subprg); --Chap2.Clear_Instance_Data (F_Info.Subprg_Instance); F_Info.Use_Stack2 := False; Id := Get_Identifier (Get_Type_Declarator (File_Type)); Kind := Get_Implicit_Definition (Subprg); case Kind is when Iir_Predefined_Write => Name := Create_Identifier (Id, "_WRITE"); when Iir_Predefined_Read | Iir_Predefined_Read_Length => Name := Create_Identifier (Id, "_READ"); when others => raise Internal_Error; end case; -- Create function. if Kind = Iir_Predefined_Read_Length then Start_Function_Decl (Inter_List, Name, Global_Storage, Std_Integer_Otype); else Start_Procedure_Decl (Inter_List, Name, Global_Storage); end if; Subprgs.Create_Subprg_Instance (Inter_List, Subprg); New_Interface_Decl (Inter_List, Var_File, Get_Identifier ("FILE"), Ghdl_File_Index_Type); New_Interface_Decl (Inter_List, Var_Val, Wki_Val, Tinfo.Ortho_Ptr_Type (Mode_Value)); Finish_Subprogram_Decl (Inter_List, F_Info.Ortho_Func); if Global_Storage = O_Storage_External then return; end if; Start_Subprogram_Body (F_Info.Ortho_Func); Subprgs.Start_Subprg_Instance_Use (Subprg); Push_Local_Factory; Var := Dp2M (Var_Val, Tinfo, Mode_Value); case Kind is when Iir_Predefined_Write => if Tinfo.Type_Mode = Type_Mode_Fat_Array then declare Var_Max : O_Dnode; begin Open_Temp; Var_Max := Create_Temp_Init (Ghdl_Index_Type, Chap3.Get_Array_Length (Var, Etype)); Translate_Rw_Length (Var_Max, Ghdl_Write_Scalar); Translate_Rw_Array (Chap3.Get_Array_Base (Var), Etype, Var_Max, Ghdl_Write_Scalar); Close_Temp; end; else Translate_Rw (Var, Etype, Ghdl_Write_Scalar); end if; when Iir_Predefined_Read => Translate_Rw (Var, Etype, Ghdl_Read_Scalar); when Iir_Predefined_Read_Length => declare Var_Len : O_Dnode; begin Open_Temp; Var_Len := Create_Temp (Ghdl_Index_Type); Translate_Rw_Length (Var_Len, Ghdl_Read_Scalar); Chap6.Check_Bound_Error (New_Compare_Op (ON_Gt, New_Obj_Value (Var_Len), Chap3.Get_Array_Length (Var, Etype), Ghdl_Bool_Type), Subprg, 1); Translate_Rw_Array (Chap3.Get_Array_Base (Var), Etype, Var_Len, Ghdl_Read_Scalar); New_Return_Stmt (New_Convert_Ov (New_Obj_Value (Var_Len), Std_Integer_Otype)); Close_Temp; end; when others => raise Internal_Error; end case; Subprgs.Finish_Subprg_Instance_Use (Subprg); Pop_Local_Factory; Finish_Subprogram_Body; end Translate_File_Subprogram; procedure Init_Implicit_Subprogram_Infos (Infos : out Implicit_Subprogram_Infos) is begin -- Be independant of declaration order since the same subprogram -- may be used for several implicit operators (eg. array comparaison) Infos.Arr_Eq_Info := null; Infos.Arr_Cmp_Info := null; Infos.Rec_Eq_Info := null; Infos.Arr_Shl_Info := null; Infos.Arr_Sha_Info := null; Infos.Arr_Rot_Info := null; end Init_Implicit_Subprogram_Infos; procedure Translate_Implicit_Subprogram (Subprg : Iir; Infos : in out Implicit_Subprogram_Infos) is Kind : constant Iir_Predefined_Functions := Get_Implicit_Definition (Subprg); begin if Predefined_To_Onop (Kind) /= ON_Nil then -- Intrinsic. return; end if; case Kind is when Iir_Predefined_Error | Iir_Predefined_Explicit => raise Internal_Error; when Iir_Predefined_Boolean_And | Iir_Predefined_Boolean_Or | Iir_Predefined_Boolean_Xor | Iir_Predefined_Boolean_Not | Iir_Predefined_Enum_Equality | Iir_Predefined_Enum_Inequality | Iir_Predefined_Enum_Less | Iir_Predefined_Enum_Less_Equal | Iir_Predefined_Enum_Greater | Iir_Predefined_Enum_Greater_Equal | Iir_Predefined_Bit_And | Iir_Predefined_Bit_Or | Iir_Predefined_Bit_Xor | Iir_Predefined_Bit_Not | Iir_Predefined_Integer_Equality | Iir_Predefined_Integer_Inequality | Iir_Predefined_Integer_Less | Iir_Predefined_Integer_Less_Equal | Iir_Predefined_Integer_Greater | Iir_Predefined_Integer_Greater_Equal | Iir_Predefined_Integer_Negation | Iir_Predefined_Integer_Absolute | Iir_Predefined_Integer_Plus | Iir_Predefined_Integer_Minus | Iir_Predefined_Integer_Mul | Iir_Predefined_Integer_Div | Iir_Predefined_Integer_Mod | Iir_Predefined_Integer_Rem | Iir_Predefined_Floating_Equality | Iir_Predefined_Floating_Inequality | Iir_Predefined_Floating_Less | Iir_Predefined_Floating_Less_Equal | Iir_Predefined_Floating_Greater | Iir_Predefined_Floating_Greater_Equal | Iir_Predefined_Floating_Negation | Iir_Predefined_Floating_Absolute | Iir_Predefined_Floating_Plus | Iir_Predefined_Floating_Minus | Iir_Predefined_Floating_Mul | Iir_Predefined_Floating_Div | Iir_Predefined_Physical_Equality | Iir_Predefined_Physical_Inequality | Iir_Predefined_Physical_Less | Iir_Predefined_Physical_Less_Equal | Iir_Predefined_Physical_Greater | Iir_Predefined_Physical_Greater_Equal | Iir_Predefined_Physical_Negation | Iir_Predefined_Physical_Absolute | Iir_Predefined_Physical_Plus | Iir_Predefined_Physical_Minus => pragma Assert (Predefined_To_Onop (Kind) /= ON_Nil); return; when Iir_Predefined_Boolean_Nand | Iir_Predefined_Boolean_Nor | Iir_Predefined_Boolean_Xnor | Iir_Predefined_Bit_Nand | Iir_Predefined_Bit_Nor | Iir_Predefined_Bit_Xnor | Iir_Predefined_Bit_Match_Equality | Iir_Predefined_Bit_Match_Inequality | Iir_Predefined_Bit_Match_Less | Iir_Predefined_Bit_Match_Less_Equal | Iir_Predefined_Bit_Match_Greater | Iir_Predefined_Bit_Match_Greater_Equal | Iir_Predefined_Bit_Condition | Iir_Predefined_Boolean_Rising_Edge | Iir_Predefined_Boolean_Falling_Edge | Iir_Predefined_Bit_Rising_Edge | Iir_Predefined_Bit_Falling_Edge => -- Intrinsic. null; when Iir_Predefined_Enum_Minimum | Iir_Predefined_Enum_Maximum | Iir_Predefined_Enum_To_String => -- Intrinsic. null; when Iir_Predefined_Integer_Identity | Iir_Predefined_Integer_Exp | Iir_Predefined_Integer_Minimum | Iir_Predefined_Integer_Maximum | Iir_Predefined_Integer_To_String => -- Intrinsic. null; when Iir_Predefined_Universal_R_I_Mul | Iir_Predefined_Universal_I_R_Mul | Iir_Predefined_Universal_R_I_Div => -- Intrinsic null; when Iir_Predefined_Physical_Identity | Iir_Predefined_Physical_Minimum | Iir_Predefined_Physical_Maximum | Iir_Predefined_Physical_To_String | Iir_Predefined_Time_To_String_Unit => null; when Iir_Predefined_Physical_Integer_Mul | Iir_Predefined_Physical_Integer_Div | Iir_Predefined_Integer_Physical_Mul | Iir_Predefined_Physical_Real_Mul | Iir_Predefined_Physical_Real_Div | Iir_Predefined_Real_Physical_Mul | Iir_Predefined_Physical_Physical_Div => null; when Iir_Predefined_Floating_Exp | Iir_Predefined_Floating_Identity | Iir_Predefined_Floating_Minimum | Iir_Predefined_Floating_Maximum | Iir_Predefined_Floating_To_String | Iir_Predefined_Real_To_String_Digits | Iir_Predefined_Real_To_String_Format => null; when Iir_Predefined_Record_Equality | Iir_Predefined_Record_Inequality => if Infos.Rec_Eq_Info = null then Translate_Predefined_Record_Equality (Subprg); Infos.Rec_Eq_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Rec_Eq_Info); end if; when Iir_Predefined_Array_Equality | Iir_Predefined_Array_Inequality | Iir_Predefined_Bit_Array_Match_Equality | Iir_Predefined_Bit_Array_Match_Inequality => if Infos.Arr_Eq_Info = null then Translate_Predefined_Array_Equality (Subprg); Infos.Arr_Eq_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Arr_Eq_Info); end if; when Iir_Predefined_Array_Greater | Iir_Predefined_Array_Greater_Equal | Iir_Predefined_Array_Less | Iir_Predefined_Array_Less_Equal | Iir_Predefined_Array_Minimum | Iir_Predefined_Array_Maximum => if Infos.Arr_Cmp_Info = null then Translate_Predefined_Array_Compare (Subprg); Infos.Arr_Cmp_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Arr_Cmp_Info); end if; when Iir_Predefined_Array_Array_Concat | Iir_Predefined_Array_Element_Concat | Iir_Predefined_Element_Array_Concat | Iir_Predefined_Element_Element_Concat => null; when Iir_Predefined_Vector_Minimum | Iir_Predefined_Vector_Maximum => null; when Iir_Predefined_TF_Array_And | Iir_Predefined_TF_Array_Or | Iir_Predefined_TF_Array_Nand | Iir_Predefined_TF_Array_Nor | Iir_Predefined_TF_Array_Xor | Iir_Predefined_TF_Array_Xnor | Iir_Predefined_TF_Array_Not => Translate_Predefined_Array_Logical (Subprg); when Iir_Predefined_TF_Reduction_And | Iir_Predefined_TF_Reduction_Or | Iir_Predefined_TF_Reduction_Nand | Iir_Predefined_TF_Reduction_Nor | Iir_Predefined_TF_Reduction_Xor | Iir_Predefined_TF_Reduction_Xnor | Iir_Predefined_TF_Reduction_Not | Iir_Predefined_TF_Array_Element_And | Iir_Predefined_TF_Element_Array_And | Iir_Predefined_TF_Array_Element_Or | Iir_Predefined_TF_Element_Array_Or | Iir_Predefined_TF_Array_Element_Nand | Iir_Predefined_TF_Element_Array_Nand | Iir_Predefined_TF_Array_Element_Nor | Iir_Predefined_TF_Element_Array_Nor | Iir_Predefined_TF_Array_Element_Xor | Iir_Predefined_TF_Element_Array_Xor | Iir_Predefined_TF_Array_Element_Xnor | Iir_Predefined_TF_Element_Array_Xnor => null; when Iir_Predefined_Array_Sll | Iir_Predefined_Array_Srl => if Infos.Arr_Shl_Info = null then Translate_Predefined_Array_Shift (Subprg); Infos.Arr_Shl_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Arr_Shl_Info); end if; when Iir_Predefined_Array_Sla | Iir_Predefined_Array_Sra => if Infos.Arr_Sha_Info = null then Translate_Predefined_Array_Shift (Subprg); Infos.Arr_Sha_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Arr_Sha_Info); end if; when Iir_Predefined_Array_Rol | Iir_Predefined_Array_Ror => if Infos.Arr_Rot_Info = null then Translate_Predefined_Array_Shift (Subprg); Infos.Arr_Rot_Info := Get_Info (Subprg); else Set_Info (Subprg, Infos.Arr_Rot_Info); end if; when Iir_Predefined_Access_Equality | Iir_Predefined_Access_Inequality => -- Intrinsic. null; when Iir_Predefined_Deallocate => -- Intrinsic. null; when Iir_Predefined_File_Open | Iir_Predefined_File_Open_Status | Iir_Predefined_File_Close | Iir_Predefined_Flush | Iir_Predefined_Endfile => -- All of them have predefined definitions. null; when Iir_Predefined_Write | Iir_Predefined_Read_Length | Iir_Predefined_Read => declare Param : Iir; File_Type : Iir; begin Param := Get_Interface_Declaration_Chain (Subprg); File_Type := Get_Type (Param); if not Get_Text_File_Flag (File_Type) then Translate_File_Subprogram (Subprg, File_Type); end if; end; when Iir_Predefined_Attribute_Image | Iir_Predefined_Attribute_Value | Iir_Predefined_Attribute_Pos | Iir_Predefined_Attribute_Val | Iir_Predefined_Attribute_Succ | Iir_Predefined_Attribute_Pred | Iir_Predefined_Attribute_Leftof | Iir_Predefined_Attribute_Rightof | Iir_Predefined_Attribute_Left | Iir_Predefined_Attribute_Right | Iir_Predefined_Attribute_Event | Iir_Predefined_Attribute_Active | Iir_Predefined_Attribute_Last_Event | Iir_Predefined_Attribute_Last_Active | Iir_Predefined_Attribute_Last_Value | Iir_Predefined_Attribute_Driving | Iir_Predefined_Attribute_Driving_Value => raise Internal_Error; when Iir_Predefined_Array_Char_To_String | Iir_Predefined_Bit_Vector_To_Ostring | Iir_Predefined_Bit_Vector_To_Hstring | Iir_Predefined_Std_Ulogic_Match_Equality | Iir_Predefined_Std_Ulogic_Match_Inequality | Iir_Predefined_Std_Ulogic_Match_Less | Iir_Predefined_Std_Ulogic_Match_Less_Equal | Iir_Predefined_Std_Ulogic_Match_Greater | Iir_Predefined_Std_Ulogic_Match_Greater_Equal | Iir_Predefined_Std_Ulogic_Array_Match_Equality | Iir_Predefined_Std_Ulogic_Array_Match_Inequality => null; when Iir_Predefined_Now_Function => null; -- when others => -- Error_Kind ("translate_implicit_subprogram (" -- & Iir_Predefined_Functions'Image (Kind) & ")", -- Subprg); end case; end Translate_Implicit_Subprogram; end Trans.Chap7;