diff options
| author | gingold <gingold@b72b5c32-5f01-0410-b925-b5c7b92870f7> | 2006-10-02 04:33:36 +0000 |
|---|---|---|
| committer | gingold <gingold@b72b5c32-5f01-0410-b925-b5c7b92870f7> | 2006-10-02 04:33:36 +0000 |
| commit | a81f695b15865268fea6ee062a381ba8e43a02b4 (patch) | |
| tree | 8bc86734eda054c31b705ceab4f4762e96422750 | |
| parent | f51d97cdfbb61a3c1b0456b32b5076d03ba5f8ac (diff) | |
| download | ghdl-a81f695b15865268fea6ee062a381ba8e43a02b4.tar.gz ghdl-a81f695b15865268fea6ee062a381ba8e43a02b4.tar.bz2 ghdl-a81f695b15865268fea6ee062a381ba8e43a02b4.zip | |
direct drivers and bugs fix
37 files changed, 1658 insertions, 735 deletions
diff --git a/back_end.ads b/back_end.ads index 3ff6fb1f7..43ec34893 100644 --- a/back_end.ads +++ b/back_end.ads @@ -29,6 +29,14 @@ package Back_End is Library_To_File_Name : Library_To_File_Name_Acc := Default_Library_To_File_Name'Access; + -- Back-end options. + type Parse_Option_Acc is access function (Opt : String) return Boolean; + Parse_Option : Parse_Option_Acc := null; + + -- Disp back-end option help. + type Disp_Option_Acc is access procedure; + Disp_Option : Disp_Option_Acc := null; + -- UNIT is a design unit from parse. -- According to the current back-end, do what is necessary. -- @@ -46,8 +54,5 @@ package Back_End is -- May be NULL for no additionnal checks. type Sem_Foreign_Acc is access procedure (Decl : Iir); Sem_Foreign : Sem_Foreign_Acc := null; - - --procedure Finish_Compilation - -- (Unit : Iir_Design_Unit; Main : Boolean := False); end Back_End; @@ -70,7 +70,7 @@ package body Bug is Put_Line (Standard_Error, "Please report this bug on http://gna.org/projects/ghdl"); - Put_Line (Standard_Error, "GHDL version: " & Ghdl_Version); + Put_Line (Standard_Error, "GHDL release: " & Ghdl_Release); Put_Line (Standard_Error, "Compiled with " & Get_Gnat_Version); Put_Line (Standard_Error, "In directory: " & GNAT.Directory_Operations.Get_Current_Dir); @@ -847,22 +847,6 @@ package body Canon is end loop; end Canon_Sequential_Stmts; - procedure Add_Driver_For_Signal (Driver_List : Iir_List; - Signal : Iir) - is - Choice : Iir; - begin - if Get_Kind (Signal) = Iir_Kind_Aggregate then - Choice := Get_Association_Choices_Chain (Signal); - while Choice /= Null_Iir loop - Add_Driver_For_Signal (Driver_List, Get_Associated (Choice)); - Choice := Get_Chain (Choice); - end loop; - else - Add_Element (Driver_List, Get_Longuest_Static_Prefix (Signal)); - end if; - end Add_Driver_For_Signal; - -- Create a statement transform from concurrent_signal_assignment -- statement STMT (either selected or conditional). -- waveform transformation is not done. @@ -895,9 +879,6 @@ package body Canon is -- reserved word POSTPONED. Set_Postponed_Flag (Proc, Get_Postponed_Flag (Proc)); - Set_Driver_List (Proc, Create_Iir_List); - Add_Driver_For_Signal (Get_Driver_List (Proc), Get_Target (Stmt)); - Canon_Extract_Sensitivity (Get_Target (Stmt), Sensitivity_List, True); if Canon_Flag_Expressions then @@ -966,7 +947,6 @@ package body Canon is Assoc_Chain : Iir; Assoc : Iir; Imp : Iir; - Driver_List : Iir_Driver_List; Inter : Iir; Sensitivity_List : Iir_List; Is_Sensitized : Boolean; @@ -1014,7 +994,6 @@ package body Canon is Get_Parameter_Association_Chain (Call), Call); Set_Parameter_Association_Chain (Call, Assoc_Chain); - Driver_List := Null_Iir_List; Assoc := Assoc_Chain; -- LRM93 9.3 @@ -1034,18 +1013,6 @@ package body Canon is Canon_Extract_Sensitivity (Get_Actual (Assoc), Sensitivity_List, False); end if; - -- LRM 2.1.1.2 Signal Parameters - if Get_Kind (Inter) = Iir_Kind_Signal_Interface_Declaration - and then Get_Mode (Inter) in Iir_Out_Modes - then - if Driver_List = Null_Iir_List then - Driver_List := Create_Iir_List; - Set_Driver_List (Proc, Driver_List); - end if; - Add_Element - (Driver_List, - Get_Longuest_Static_Prefix (Get_Actual (Assoc))); - end if; when Iir_Kind_Association_Element_Open | Iir_Kind_Association_Element_By_Individual => null; diff --git a/disp_tree.adb b/disp_tree.adb index fd51c14ce..cb2349d37 100644 --- a/disp_tree.adb +++ b/disp_tree.adb @@ -1023,8 +1023,6 @@ package body Disp_Tree is Disp_Depth (Get_Subprogram_Depth (Tree)); Header ("subprogram_body:"); Disp_Tree_Flat (Get_Subprogram_Body (Tree), Ntab); - Header ("driver list:"); - Disp_Tree_List (Get_Driver_List (Tree), Ntab, True); Header ("attribute_value_chain:"); Disp_Tree_Flat_Chain (Get_Attribute_Value_Chain (Tree), Ntab); when Iir_Kind_Procedure_Body @@ -1423,8 +1421,6 @@ package body Disp_Tree is Header ("sensivity list:"); Disp_Tree_List (Get_Sensitivity_List (Tree), Ntab, True); end if; - Header ("driver list:"); - Disp_Tree_List (Get_Driver_List (Tree), Ntab, True); Header ("declaration_chain:"); Disp_Tree_Chain (Get_Declaration_Chain (Tree), Ntab); Header ("process statements:"); diff --git a/disp_vhdl.adb b/disp_vhdl.adb index 96205630a..e87013674 100644 --- a/disp_vhdl.adb +++ b/disp_vhdl.adb @@ -893,25 +893,6 @@ package body Disp_Vhdl is Put_Line (";"); end Disp_Object_Declaration; - procedure Disp_Driver_List (List: Iir_Driver_List; Indent : Count) - is - El: Iir; - begin - if List = Null_Iir_List or else Get_Nbr_Elements (List) = 0 then - return; - end if; - Set_Col (Indent); - Put_Line ("-- drivers needed for signals:"); - for I in Natural loop - El := Get_Nth_Element (List, I); - exit when El = Null_Iir; - Set_Col (Indent); - Put ("-- "); - Disp_Expression (El); - New_Line; - end loop; - end Disp_Driver_List; - procedure Disp_Subprogram_Declaration (Subprg: Iir) is Indent: Count; @@ -943,10 +924,6 @@ package body Disp_Vhdl is when others => raise Internal_Error; end case; - - if Get_Kind (Subprg) = Iir_Kind_Procedure_Declaration then - Disp_Driver_List (Get_Driver_List (Subprg), Indent); - end if; end Disp_Subprogram_Declaration; procedure Disp_Subprogram_Body (Subprg : Iir) @@ -1517,7 +1494,6 @@ package body Disp_Vhdl is else New_Line; end if; - Disp_Driver_List (Get_Driver_List (Process), Start + Indentation); Disp_Declaration_Chain (Process, Start + Indentation); Set_Col (Start); Put_Line ("begin"); @@ -2312,10 +2288,10 @@ package body Disp_Vhdl is Disp_Concurrent_Conditional_Signal_Assignment (An_Iir); when Iir_Kinds_Dyadic_Operator => Disp_Dyadic_Operator (An_Iir); - when Iir_Kind_Signal_Interface_Declaration => + when Iir_Kind_Signal_Interface_Declaration + | Iir_Kind_Signal_Declaration + | Iir_Kind_Object_Alias_Declaration => Disp_Name_Of (An_Iir); - when Iir_Kind_Signal_Declaration => - Disp_Identifier (An_Iir); when Iir_Kind_Enumeration_Literal => Disp_Identifier (An_Iir); when Iir_Kind_Component_Instantiation_Statement => @@ -2330,8 +2306,11 @@ package body Disp_Vhdl is Disp_Package_Declaration (An_Iir); when Iir_Kind_Wait_Statement => Disp_Wait_Statement (An_Iir); - when Iir_Kind_Selected_Name => - Disp_Name (An_Iir); + when Iir_Kind_Selected_Name + | Iir_Kind_Selected_Element + | Iir_Kind_Indexed_Name + | Iir_Kind_Slice_Name => + Disp_Expression (An_Iir); when others => Error_Kind ("disp", An_Iir); end case; diff --git a/doc/ghdl.texi b/doc/ghdl.texi index e83a0ac55..38ff82a33 100644 --- a/doc/ghdl.texi +++ b/doc/ghdl.texi @@ -516,6 +516,7 @@ no options are allowed after a filename or a unit name. * Cross-reference command:: * File commands:: * Misc commands:: +* Installation Directory:: * IEEE library pitfalls:: @end menu @@ -893,6 +894,11 @@ library which has been named in your design. This option is only useful during elaboration. +@item --PREFIX=@var{PATH} +@cindex @option{--PREFIX} switch +Use @var{PATH} as the prefix path to find commands and pre-installed (std and +ieee) libraries. + @item --GHDL1=@var{COMMAND} @cindex @option{--GHLD1} switch Use @var{COMMAND} as the command name for the compiler. If @var{COMMAND} is @@ -1291,7 +1297,7 @@ Display on the standard output lines of files preceded by line number. $ ghdl --lines @var{files} @end smallexample -@node Misc commands, IEEE library pitfalls, File commands, Invoking GHDL +@node Misc commands, Installation Directory, File commands, Invoking GHDL @comment node-name, next, previous, up @section Misc commands There are a few GHDL commands which are seldom useful. @@ -1352,7 +1358,28 @@ Display the @code{GHDL} version and exit. $ ghdl --version @end smallexample -@node IEEE library pitfalls, , Misc commands, Invoking GHDL +@node Installation Directory, IEEE library pitfalls, Misc commands, Invoking GHDL +@comment node-name, next, previous, up +@section Installation Directory +@c @code{GHDL} is installed with the @code{std} and @code{ieee} libraries. +During analysis and elaboration @code{GHDL} may read the @code{std} +and @code{ieee} files. The location of these files is based on the prefix, +which is (in priority order): +@enumerate +@item +the @option{--PREFIX=} command line option + +@item +the @var{GHDL_PREFIX} environment variable + +@item +a built-in default path. It is an hard-coded path on GNU/Linux and the +value of the @samp{HKLM\Software\Ghdl\Install_Dir} registry entry on Windows. +@end enumerate + +You should use the @option{--dispconfig} command (@pxref{Dispconfig command} for details) to disp and debug installation problems. + +@node IEEE library pitfalls, , Installation Directory, Invoking GHDL @comment node-name, next, previous, up @section IEEE library pitfalls When you use options @option{--ieee=synopsys} or @option{--ieee=mentor}, @@ -19,6 +19,7 @@ with Ada.Text_IO; use Ada.Text_IO; with Name_Table; with Libraries; with Scan; +with Back_End; use Back_End; package body Flags is function Option_Warning (Opt: String; Val : Boolean) return Boolean is @@ -152,6 +153,10 @@ package body Flags is -- else -- return False; -- end if; + elsif Back_End.Parse_Option /= null + and then Back_End.Parse_Option.all (Opt) + then + null; else return False; end if; @@ -193,11 +198,6 @@ package body Flags is P (" -C --mb-comments allow multi-bytes chars in a comment"); P (" --bootstrap allow --work=std"); P (" --syn-binding use synthesis default binding rule"); - P ("Compilation dump:"); - P (" -dp dump tree after parsing"); - P (" -ds dump tree after semantics"); - P (" -da dump tree after annotate"); - P (" --dall -dX options apply to all files"); P ("Compilation list:"); P (" -ls after semantics"); P (" -lc after canon"); @@ -205,6 +205,14 @@ package body Flags is P (" --lall -lX options apply to all files"); P (" -lv verbose list"); P (" -v disp compilation stages"); + P ("Compilation dump:"); + P (" -dp dump tree after parsing"); + P (" -ds dump tree after semantics"); + P (" -da dump tree after annotate"); + P (" --dall -dX options apply to all files"); + if Back_End.Disp_Option /= null then + Back_End.Disp_Option.all; + end if; end Disp_Options_Help; procedure Create_Flag_String is @@ -1602,6 +1602,33 @@ package body Iirs is Set_Flag3 (Target, Flag); end Set_Open_Flag; + procedure Check_Kind_For_After_Drivers_Flag (Target : Iir) is + begin + case Get_Kind (Target) is + when Iir_Kind_Object_Alias_Declaration + | Iir_Kind_Signal_Declaration + | Iir_Kind_Constant_Interface_Declaration + | Iir_Kind_Variable_Interface_Declaration + | Iir_Kind_Signal_Interface_Declaration + | Iir_Kind_File_Interface_Declaration => + null; + when others => + Failed ("After_Drivers_Flag", Target); + end case; + end Check_Kind_For_After_Drivers_Flag; + + function Get_After_Drivers_Flag (Target : Iir) return Boolean is + begin + Check_Kind_For_After_Drivers_Flag (Target); + return Get_Flag5 (Target); + end Get_After_Drivers_Flag; + + procedure Set_After_Drivers_Flag (Target : Iir; Flag : Boolean) is + begin + Check_Kind_For_After_Drivers_Flag (Target); + Set_Flag5 (Target, Flag); + end Set_After_Drivers_Flag; + procedure Check_Kind_For_We_Value (Target : Iir) is begin case Get_Kind (Target) is @@ -2356,13 +2383,13 @@ package body Iirs is function Get_Mode (Target : Iir) return Iir_Mode is begin Check_Kind_For_Mode (Target); - return Iir_Mode'Val (Get_Odigit2 (Target)); + return Iir_Mode'Val (Get_Odigit1 (Target)); end Get_Mode; procedure Set_Mode (Target : Iir; Mode : Iir_Mode) is begin Check_Kind_For_Mode (Target); - Set_Odigit2 (Target, Iir_Mode'Pos (Mode)); + Set_Odigit1 (Target, Iir_Mode'Pos (Mode)); end Set_Mode; procedure Check_Kind_For_Signal_Kind (Target : Iir) is @@ -2409,8 +2436,10 @@ package body Iirs is | Iir_Kind_Selected_Element | Iir_Kind_Dereference | Iir_Kind_Implicit_Dereference + | Iir_Kind_Simple_Name | Iir_Kind_Slice_Name | Iir_Kind_Indexed_Name + | Iir_Kind_Selected_Name | Iir_Kind_Selected_By_All_Name | Iir_Kind_Delayed_Attribute | Iir_Kind_Stable_Attribute @@ -2615,6 +2644,8 @@ package body Iirs is | Iir_Kind_Implicit_Function_Declaration | Iir_Kind_Implicit_Procedure_Declaration | Iir_Kind_Procedure_Declaration + | Iir_Kind_Signal_Declaration + | Iir_Kind_Signal_Interface_Declaration | Iir_Kind_Sensitized_Process_Statement | Iir_Kind_Process_Statement => null; @@ -2626,13 +2657,13 @@ package body Iirs is function Get_Extra_Info (Target : Iir) return Iir_Int32 is begin Check_Kind_For_Extra_Info (Target); - return Iir_Int32'Val (Get_Field12 (Target)); + return Iir_Int32'Val (Get_Field8 (Target)); end Get_Extra_Info; procedure Set_Extra_Info (Target : Iir; Info : Iir_Int32) is begin Check_Kind_For_Extra_Info (Target); - Set_Field12 (Target, Iir_Int32'Pos (Info)); + Set_Field8 (Target, Iir_Int32'Pos (Info)); end Set_Extra_Info; procedure Check_Kind_For_Impure_Depth (Target : Iir) is @@ -2722,13 +2753,13 @@ package body Iirs is function Get_Type_Reference (Target : Iir) return Iir is begin Check_Kind_For_Type_Reference (Target); - return Get_Field8 (Target); + return Get_Field10 (Target); end Get_Type_Reference; procedure Set_Type_Reference (Target : Iir; Decl : Iir) is begin Check_Kind_For_Type_Reference (Target); - Set_Field8 (Target, Decl); + Set_Field10 (Target, Decl); end Set_Type_Reference; procedure Check_Kind_For_Default_Value (Target : Iir) is @@ -4025,31 +4056,6 @@ package body Iirs is Set_Flag3 (Target, Value); end Set_Postponed_Flag; - procedure Check_Kind_For_Driver_List (Target : Iir) is - begin - case Get_Kind (Target) is - when Iir_Kind_Function_Declaration - | Iir_Kind_Procedure_Declaration - | Iir_Kind_Sensitized_Process_Statement - | Iir_Kind_Process_Statement => - null; - when others => - Failed ("Driver_List", Target); - end case; - end Check_Kind_For_Driver_List; - - function Get_Driver_List (Stmt : Iir) return Iir_List is - begin - Check_Kind_For_Driver_List (Stmt); - return Iir_To_Iir_List (Get_Field8 (Stmt)); - end Get_Driver_List; - - procedure Set_Driver_List (Stmt : Iir; List : Iir_List) is - begin - Check_Kind_For_Driver_List (Stmt); - Set_Field8 (Stmt, Iir_List_To_Iir (List)); - end Set_Driver_List; - procedure Check_Kind_For_Callees_List (Target : Iir) is begin case Get_Kind (Target) is @@ -6299,13 +6305,13 @@ package body Iirs is function Get_Lexical_Layout (Decl : Iir) return Iir_Lexical_Layout_Type is begin Check_Kind_For_Lexical_Layout (Decl); - return Iir_Lexical_Layout_Type'Val (Get_Odigit1 (Decl)); + return Iir_Lexical_Layout_Type'Val (Get_Odigit2 (Decl)); end Get_Lexical_Layout; procedure Set_Lexical_Layout (Decl : Iir; Lay : Iir_Lexical_Layout_Type) is begin Check_Kind_For_Lexical_Layout (Decl); - Set_Odigit1 (Decl, Iir_Lexical_Layout_Type'Pos (Lay)); + Set_Odigit2 (Decl, Iir_Lexical_Layout_Type'Pos (Lay)); end Set_Lexical_Layout; procedure Check_Kind_For_Incomplete_Type_List (Target : Iir) is @@ -92,17 +92,9 @@ package Iirs is -- procedure Set_Location (Target: in out Iir; Location: Location_Type); -- function Get_Location (Target: in out Iir) return Location_Type; -- - -- function Get_Line_Number (Target: Iir) return Natural; - -- function Get_Column_Number (Target: Iir) return natural; - -- function Get_File_Name (Target: in Iir) return name_id; - -- -- Copy a location from a node to another one. -- procedure Location_Copy (Target: in out Iir; Src: in Iir); - -- Get or Set info for a back-end. - -- function Get_Back_End_Info (Target: in Iir) return System.Address; - -- procedure Set_Back_End_Info (Target: in out Iir; Addr: System.Address); - -- The next line marks the start of the node description. -- Start of Iir_Kind. @@ -731,6 +723,7 @@ package Iirs is -- -- Get/Set_Name (Field4) -- + -- Note: base name is the alias itself. -- Get/Set_Base_Name (Field5) -- -- Get/Set_Expr_Staticness (State1) @@ -739,6 +732,8 @@ package Iirs is -- -- Get/Set_Visible_Flag (Flag4) -- + -- Get/Set_After_Drivers_Flag (Flag5) + -- -- Get/Set_Use_Flag (Flag6) -- Iir_Kind_Non_Object_Alias_Declaration (Short) @@ -836,9 +831,12 @@ package Iirs is -- Must always be null_iir for iir_kind_file_interface_declaration. -- Get/Set_Default_Value (Field6) -- - -- Get/Set_Lexical_Layout (Odigit1) + -- Only for Iir_Kind_Signal_Interface_Declaration: + -- Get/Set_Extra_Info (Field8) -- - -- Get/Set_Mode (Odigit2) + -- Get/Set_Mode (Odigit1) + -- + -- Get/Set_Lexical_Layout (Odigit2) -- -- Only for Iir_Kind_Signal_Interface_Declaration: -- Get/Set_Has_Disconnect_Flag (Flag1) @@ -851,6 +849,8 @@ package Iirs is -- -- Get/Set_Visible_Flag (Flag4) -- + -- Get/Set_After_Drivers_Flag (Flag5) + -- -- Get/Set_Use_Flag (Flag6) -- -- Get/Set_Expr_Staticness (State1) @@ -886,8 +886,7 @@ package Iirs is -- -- Get/Set_Callees_List (Field7) -- - -- FIXME: to be removed. - -- Get/Set_Driver_List (Field8) + -- Get/Set_Extra_Info (Field8) -- -- Get/Set_Overload_Number (Field9) -- @@ -895,8 +894,6 @@ package Iirs is -- -- Get/Set_Subprogram_Hash (Field11) -- - -- Get/Set_Extra_Info (Field12) - -- -- Get/Set_Seen_Flag (Flag1) -- -- Only for Iir_Kind_Function_Declaration: @@ -966,13 +963,13 @@ package Iirs is -- -- Get/Set_Callees_List (Field7) -- - -- Get/Set_Type_Reference (Field8) + -- Get/Set_Extra_Info (Field8) -- -- Get/Set_Overload_Number (Field9) -- - -- Get/Set_Subprogram_Hash (Field11) + -- Get/Set_Type_Reference (Field10) -- - -- Get/Set_Extra_Info (Field12) + -- Get/Set_Subprogram_Hash (Field11) -- -- Get/Set_Wait_State (State1) -- @@ -1009,12 +1006,16 @@ package Iirs is -- several drivers. -- Get/Set_Signal_Driver (Field7) -- + -- Get/Set_Extra_Info (Field8) + -- -- Get/Set_Has_Disconnect_Flag (Flag1) -- -- Get/Set_Has_Active_Flag (Flag2) -- -- Get/Set_Visible_Flag (Flag4) -- + -- Get/Set_After_Drivers_Flag (Flag5) + -- -- Get/Set_Use_Flag (Flag6) -- -- Get/Set_Expr_Staticness (State1) @@ -1144,7 +1145,7 @@ package Iirs is -- Get/Set_File_Open_Kind (Field7) -- -- This is used only in vhdl 87. - -- Get/Set_Mode (Odigit2) + -- Get/Set_Mode (Odigit1) -- -- Get/Set_Visible_Flag (Flag4) -- @@ -1675,9 +1676,7 @@ package Iirs is -- -- Get/Set_Callees_List (Field7) -- - -- Get/Set_Driver_List (Field8) - -- - -- Get/Set_Extra_Info (Field12) + -- Get/Set_Extra_Info (Field8) -- -- Get/Set_Wait_State (State1) -- @@ -2011,6 +2010,7 @@ package Iirs is -- -- Get/Set_Parent (Field0) -- + -- Chain is compose of Iir_Kind_Choice_By_XXX. -- Get/Set_Case_Statement_Alternative_Chain (Field1) -- -- Get/Set_Chain (Field2) @@ -2201,6 +2201,8 @@ package Iirs is -- -- Get/Set_Named_Entity (Field4) -- + -- Get/Set_Base_Name (Field5) + -- -- Get/Set_Expr_Staticness (State1) -- Iir_Kind_Selected_Name (Short) @@ -2213,6 +2215,8 @@ package Iirs is -- -- Get/Set_Named_Entity (Field4) -- + -- Get/Set_Base_Name (Field5) + -- -- Get/Set_Expr_Staticness (State1) -- Iir_Kind_Selected_By_All_Name (Short) @@ -3590,8 +3594,6 @@ package Iirs is subtype Iir_Designator_List is Iir_List; - subtype Iir_Driver_List is Iir_List; - subtype Iir_Attribute_Value_Chain is Iir_List; subtype Iir_Overload_List is Iir; @@ -4029,6 +4031,12 @@ package Iirs is function Get_Open_Flag (Target : Iir) return Boolean; procedure Set_Open_Flag (Target : Iir; Flag : Boolean); + -- This flag is set by trans_analyze if there is a projected waveform + -- assignment in the process. + -- Field: Flag5 + function Get_After_Drivers_Flag (Target : Iir) return Boolean; + procedure Set_After_Drivers_Flag (Target : Iir; Flag : Boolean); + -- Field: Field1 function Get_We_Value (We : Iir_Waveform_Element) return Iir; procedure Set_We_Value (We : Iir_Waveform_Element; An_Iir : Iir); @@ -4141,7 +4149,7 @@ package Iirs is procedure Set_Subtype_Definition (Target : Iir; Def : Iir); -- Mode of interfaces or file (v87). - -- Field: Odigit2 (pos) + -- Field: Odigit1 (pos) function Get_Mode (Target : Iir) return Iir_Mode; procedure Set_Mode (Target : Iir; Mode : Iir_Mode); @@ -4205,7 +4213,7 @@ package Iirs is -- Unfortunatly, the size of the nodes is limited and these infos are -- only used for optimization. -- This is an index into a separate table. - -- Field: Field12 (pos) + -- Field: Field8 (pos) function Get_Extra_Info (Target : Iir) return Iir_Int32; procedure Set_Extra_Info (Target : Iir; Info : Iir_Int32); @@ -4226,7 +4234,7 @@ package Iirs is -- For an implicit subprogram, the type_reference is the type declaration -- for which the implicit subprogram was defined. - -- Field: Field8 + -- Field: Field10 function Get_Type_Reference (Target : Iir) return Iir; procedure Set_Type_Reference (Target : Iir; Decl : Iir); @@ -4457,13 +4465,6 @@ package Iirs is function Get_Postponed_Flag (Target : Iir) return Boolean; procedure Set_Postponed_Flag (Target : Iir; Value : Boolean); - -- Returns a list of signal or ports which are assigned in the current - -- subprogram or process. - -- Can return null_iir if there is no such assignment. - -- Field: Field8 (uc) - function Get_Driver_List (Stmt : Iir) return Iir_List; - procedure Set_Driver_List (Stmt : Iir; List : Iir_List); - -- Returns the list of subprogram called in this subprogram or process. -- Note: implicit function (such as implicit operators) are omitted -- from this list, since the purpose of this list is to correctly set @@ -4886,7 +4887,7 @@ package Iirs is procedure Set_Type_Mark (Target : Iir; Mark : Iir); -- Get/set the lexical layout of an interface. - -- Field: Odigit1 (pos) + -- Field: Odigit2 (pos) function Get_Lexical_Layout (Decl : Iir) return Iir_Lexical_Layout_Type; procedure Set_Lexical_Layout (Decl : Iir; Lay : Iir_Lexical_Layout_Type); diff --git a/iirs_utils.adb b/iirs_utils.adb index 0a336c534..a16fa0b2d 100644 --- a/iirs_utils.adb +++ b/iirs_utils.adb @@ -175,7 +175,7 @@ package body Iirs_Utils is | Iir_Kind_Slice_Name | Iir_Kind_Selected_Element | Iir_Kind_Selected_By_All_Name => - Adecl := Get_Prefix (Adecl); + Adecl := Get_Base_Name (Adecl); when Iir_Kinds_Literal | Iir_Kind_Enumeration_Literal | Iir_Kinds_Monadic_Operator @@ -815,22 +815,26 @@ package body Iirs_Utils is Adecl: Iir; begin Adecl := Get_Base_Name (Name); - case Get_Kind (Adecl) is - when Iir_Kind_Variable_Declaration - | Iir_Kind_Variable_Interface_Declaration - | Iir_Kind_Constant_Declaration - | Iir_Kind_Constant_Interface_Declaration - | Iir_Kind_Implicit_Dereference - | Iir_Kind_Dereference - | Iir_Kind_Attribute_Value - | Iir_Kind_Function_Call => - return False; - when Iir_Kind_Signal_Declaration - | Iir_Kind_Signal_Interface_Declaration => - return True; - when others => - Error_Kind ("is_signal_object", Adecl); - end case; + loop + case Get_Kind (Adecl) is + when Iir_Kind_Variable_Declaration + | Iir_Kind_Variable_Interface_Declaration + | Iir_Kind_Constant_Declaration + | Iir_Kind_Constant_Interface_Declaration + | Iir_Kind_Implicit_Dereference + | Iir_Kind_Dereference + | Iir_Kind_Attribute_Value + | Iir_Kind_Function_Call => + return False; + when Iir_Kind_Signal_Declaration + | Iir_Kind_Signal_Interface_Declaration => + return True; + when Iir_Kind_Object_Alias_Declaration => + Adecl := Get_Base_Name (Get_Name (Adecl)); + when others => + Error_Kind ("is_signal_object", Adecl); + end case; + end loop; end Is_Signal_Object; diff --git a/iirs_utils.ads b/iirs_utils.ads index 90de0324e..bd0eb67a9 100644 --- a/iirs_utils.ads +++ b/iirs_utils.ads @@ -146,7 +146,6 @@ package Iirs_Utils is -- if ASPECT is open, return Null_Iir; function Get_Entity_From_Entity_Aspect (Aspect : Iir) return Iir; - -- Get the value of any physical literals. -- A physical literal can be either an int_literal, and fp_literal or -- a unit_declaration. @@ -384,12 +384,12 @@ package body Nodes is function Get_Odigit2 (N : Node_Type) return Bit3_Type is begin - return Nodet.Table (N).Odigit2; + return Nodet.Table (N + 1).Odigit1; end Get_Odigit2; procedure Set_Odigit2 (N : Node_Type; V : Bit3_Type) is begin - Nodet.Table (N).Odigit2 := V; + Nodet.Table (N + 1).Odigit1 := V; end Set_Odigit2; @@ -365,29 +365,20 @@ private -- choice_staticness for iir_kind_choice_by_expression State2 : Bit2_Type := 0; - -- Usages of State3: - -- purity_state for iir_kind_process_statement - -- purity_state for iir_kind_sensitized_process_statement - -- purity_state for iir_kinds_procedure_specification - -- purity_state for iir_kinds_function_specification - Unused_State3 : Bit2_Type := 0; - Flag7 : Boolean := False; Flag8 : Boolean := False; Flag9 : Boolean := False; Flag10 : Boolean := False; + Flag11 : Boolean := False; + Flag12 : Boolean := False; -- 3bits fields (1 -> 3 bits) -- Usages of odigit1: -- lexical_layout for iir_kinds_interface_declaration + -- iir_mode Odigit1 : Bit3_Type := 0; - -- Usage of odigit2: - -- iir_mode for iir_kind_signal_interface_declaration - -- iir_mode for iir_kind_constant_interface_declaration - -- iir_mode for iir_kind_variable_interface_declaration - -- iir_mode for iir_kind_file_interface_declaration - Odigit2 : Bit3_Type := 0; + Unused_Odigit2 : Bit3_Type := 0; -- Location. Location: Location_Type := Location_Nil; diff --git a/ortho/gcc/lang.opt b/ortho/gcc/lang.opt index 2d4ed9c3d..43dcbf4ad 100644 --- a/ortho/gcc/lang.opt +++ b/ortho/gcc/lang.opt @@ -65,6 +65,10 @@ fexplicit vhdl Explicit function declarations override implicit one in use +-no-direct-drivers +vhdl +Disable direct drivers optimization + -syn-binding vhdl Use synthetizer rules for default bindings diff --git a/ortho/oread/ortho_front.adb b/ortho/oread/ortho_front.adb index 7a3fe9a8c..e70a99c67 100644 --- a/ortho/oread/ortho_front.adb +++ b/ortho/oread/ortho_front.adb @@ -41,7 +41,7 @@ package body Ortho_Front is is pragma Unreferenced (Arg); begin - if Opt.all = "-r" then + if Opt.all = "-r" or Opt.all = "--ghdl-r" then Flag_Renumber := True; return 1; else @@ -277,7 +277,7 @@ package body Sem is end if; Formal_Base := Get_Base_Name (Formal); - Actual_Base := Get_Base_Name (Actual); + Actual_Base := Get_Object_Prefix (Actual); -- If the formal is of mode IN, then it has no driving value, and its -- effective value is the effective value of the actual. @@ -461,7 +461,7 @@ package body Sem is if Object = Null_Iir then Prefix := Actual; else - Prefix := Get_Base_Name (Object); + Prefix := Get_Object_Prefix (Object); end if; case Get_Kind (Prefix) is when Iir_Kind_Signal_Declaration diff --git a/sem_assocs.adb b/sem_assocs.adb index 09fc2c975..7b96eb603 100644 --- a/sem_assocs.adb +++ b/sem_assocs.adb @@ -148,7 +148,7 @@ package body Sem_Assocs is Actual := Get_Actual (Assoc); Object := Name_To_Object (Actual); if Object /= Null_Iir then - Prefix := Get_Base_Name (Object); + Prefix := Get_Object_Prefix (Object); else Prefix := Actual; end if; @@ -1230,9 +1230,9 @@ package body Sem_Assocs is Res_Type : Iir; Assoc_Kind : Param_Assoc_Type; begin - -- Sem formal. Formal := Get_Formal (Assoc); + -- Handle open association. if Get_Kind (Assoc) = Iir_Kind_Association_Element_Open then if Formal /= Null_Iir then Assoc_Kind := Sem_Formal (Formal, Inter); @@ -1259,6 +1259,7 @@ package body Sem_Assocs is return; end if; + -- Pre-semantize formal and extract out conversion. if Formal /= Null_Iir then Assoc_Kind := Sem_Formal (Formal, Inter); if Assoc_Kind = None then @@ -1368,6 +1369,7 @@ package body Sem_Assocs is return; end if; + -- Semantize formal. if Get_Formal (Assoc) /= Null_Iir then Set_Type (Formal, Null_Iir); Sem_Name (Formal, False); @@ -1379,6 +1381,9 @@ package body Sem_Assocs is Free_Name (Formal); Set_Formal (Assoc, Expr); Formal_Type := Get_Type (Expr); + if Out_Conv = Null_Iir and In_Conv = Null_Iir then + Res_Type := Formal_Type; + end if; end if; Set_Out_Conversion (Assoc, Out_Conv); diff --git a/sem_decls.adb b/sem_decls.adb index 7a46c79f8..c833f52b5 100644 --- a/sem_decls.adb +++ b/sem_decls.adb @@ -1691,7 +1691,7 @@ package body Sem_Decls is | Iir_Kind_Indexed_Name | Iir_Kind_Selected_Name | Iir_Kind_Selected_Element => - Set_Base_Name (Alias, Get_Base_Name (N_Name)); + Set_Base_Name (Alias, Alias); -- Get_Base_Name (N_Name)); Xref_Name (Name); Set_Name (Alias, N_Name); when others => diff --git a/sem_names.adb b/sem_names.adb index a390c4d0d..80dc26e1b 100644 --- a/sem_names.adb +++ b/sem_names.adb @@ -1198,6 +1198,7 @@ package body Sem_Names is | Iir_Kind_Group_Declaration | Iir_Kind_Attribute_Declaration | Iir_Kind_Non_Object_Alias_Declaration => + Set_Base_Name (Name, Res); return; when Iir_Kind_Type_Conversion => Finish_Sem_Type_Conversion (Res); @@ -1389,6 +1390,7 @@ package body Sem_Names is Set_Type (Se, Get_Type (Rec_El)); Set_Selected_Element (Se, Rec_El); Set_Base_Name (Se, Get_Base_Name (R)); + Set_Base_Name (Name, Get_Base_Name (R)); Add_Result (Res, Se); end Sem_As_Selected_Element; @@ -2909,6 +2911,7 @@ package body Sem_Names is when Iir_Kind_Error => null; when Iir_Kinds_Object_Declaration => + Set_Base_Name (Name, Expr); Sem_Check_Pure (Name, Expr); when Iir_Kind_Indexed_Name | Iir_Kind_Slice_Name diff --git a/sem_names.ads b/sem_names.ads index eb50ec2de..b01920f46 100644 --- a/sem_names.ads +++ b/sem_names.ads @@ -40,6 +40,25 @@ package Sem_Names is -- To be used only for names (weakly) semantized by sem_name_soft. procedure Sem_Name_Clean (Name : Iir); + -- Return TRUE if NAME is a name that designate an object. + -- Only in this case, base_name is defined. + function Is_Object_Name (Name : Iir) return Boolean; + + -- Return an object node if NAME designates an object (ie either is an + -- object or a name for an object). + -- Otherwise, returns NULL_IIR. + function Name_To_Object (Name : Iir) return Iir; + + -- If NAME is a selected name whose prefix is a protected variable, set + -- method_object of CALL. + procedure Name_To_Method_Object (Call : Iir; Name : Iir); + + -- Convert name EXPR to an expression (ie, can create function call). + -- A_TYPE is the expected type of the expression. + -- FIXME: it is unclear wether the result must be an expression or not + -- (ie, it *must* have a type, but may be a range). + function Name_To_Expression (Name : Iir; A_Type : Iir) return Iir; + -- Return true if AN_IIR is an overload list. function Is_Overload_List (An_Iir: Iir) return Boolean; pragma Inline (Is_Overload_List); @@ -61,16 +80,6 @@ package Sem_Names is -- Return TRUE iff TYPE1 and TYPE2 are closely related. function Are_Types_Closely_Related (Type1, Type2 : Iir) return Boolean; - -- If NAME is a selected name whose prefix is a protected variable, set - -- method_object of CALL. - procedure Name_To_Method_Object (Call : Iir; Name : Iir); - - -- Convert name EXPR to an expression (ie, can create function call). - -- A_TYPE is the expected type of the expression. - -- FIXME: it is unclear wether the result must be an expression or not - -- (ie, it *must* have a type, but may be a range). - function Name_To_Expression (Name : Iir; A_Type : Iir) return Iir; - -- From the list LIST of function or enumeration literal, extract the -- list of (return) types. -- If there is only one type, return it. @@ -81,15 +90,6 @@ package Sem_Names is function Sem_Index_Specification (Name : Iir_Parenthesis_Name; Itype : Iir) return Iir; - -- Return TRUE if NAME is a name that designate an object. - -- Only in this case, base_name is defined. - function Is_Object_Name (Name : Iir) return Boolean; - - -- Return an object node if NAME designates an object (ie either is an - -- object or a name for an object). - -- Otherwise, returns NULL_IIR. - function Name_To_Object (Name : Iir) return Iir; - -- Kind of declaration to find. -- Decl_entity: an entity declaration (used for binding_indication). -- Decl_Any : no checks is performed. diff --git a/sem_stmts.adb b/sem_stmts.adb index ca3afdfe1..d7e828e7b 100644 --- a/sem_stmts.adb +++ b/sem_stmts.adb @@ -335,7 +335,7 @@ package body Sem_Stmts is return; end if; - Target_Prefix := Get_Base_Name (Target_Object); + Target_Prefix := Get_Object_Prefix (Target_Object); Targ_Obj_Kind := Get_Kind (Target_Prefix); case Targ_Obj_Kind is when Iir_Kind_Signal_Interface_Declaration => @@ -405,7 +405,7 @@ package body Sem_Stmts is Error_Msg_Sem ("target is not a variable name", Stmt); return; end if; - Target_Prefix := Get_Base_Name (Target_Object); + Target_Prefix := Get_Object_Prefix (Target_Object); case Get_Kind (Target_Prefix) is when Iir_Kind_Variable_Interface_Declaration => if not Iir_Mode_Writable (Get_Mode (Target_Prefix)) then @@ -966,7 +966,7 @@ package body Sem_Stmts is elsif Is_Overload_List (Res) or else not Is_Object_Name (Res) then Error_Msg_Sem ("a sensitivity element must be a signal name", El); else - Prefix := Get_Base_Name (Res); + Prefix := Get_Object_Prefix (Res); case Get_Kind (Prefix) is when Iir_Kind_Signal_Declaration | Iir_Kind_Guard_Signal_Declaration @@ -1835,9 +1835,6 @@ package body Sem_Stmts is is Sig_Object : Iir; Sig_Object_Type : Iir; - Parent : Iir; - Driver_List : Iir_List; - Driver : Iir; begin if Sig = Null_Iir then return; @@ -1889,57 +1886,19 @@ package body Sem_Stmts is not in Iir_Kinds_Process_Statement) then -- Not within a process statement. - if Current_Subprogram /= Null_Iir then - -- Within a procedure. - if Get_Kind (Sig_Object) = Iir_Kind_Signal_Declaration - or else (Get_Kind (Get_Parent (Sig_Object)) - /= Iir_Kind_Procedure_Declaration) - then - Error_Msg_Sem - (Disp_Node (Sig_Object) & " is not a formal parameter", Stmt); - return; - end if; + if Current_Subprogram = Null_Iir then + -- not within a subprogram: concurrent statement. + return; end if; - end if; - - -- The driver is attached to the current process (if any), or to - -- the current subprogram (if any) or to nothing. - if Current_Concurrent_Statement /= Null_Iir - and then (Get_Kind (Current_Concurrent_Statement) - in Iir_Kinds_Process_Statement) - then - Driver := Current_Concurrent_Statement; - elsif Current_Subprogram /= Null_Iir then - Driver := Current_Subprogram; - else - return; - end if; - - case Get_Kind (Sig_Object) is - when Iir_Kind_Signal_Interface_Declaration => - Parent := Get_Parent (Sig_Object); - case Get_Kind (Parent) is - when Iir_Kind_Block_Statement - | Iir_Kind_Entity_Declaration - | Iir_Kind_Block_Header => - null; - when Iir_Kind_Procedure_Declaration => - return; - when others => - Error_Kind ("sem_add_driver", Parent); - end case; - when Iir_Kind_Signal_Declaration => - null; - when others => - Error_Kind ("sem_add_driver(2)", Sig_Object); - end case; - Driver_List := Get_Driver_List (Driver); - if Driver_List = Null_Iir_List then - Driver_List := Create_Iir_List; - Set_Driver_List (Driver, Driver_List); + -- Within a subprogram. + if Get_Kind (Sig_Object) = Iir_Kind_Signal_Declaration + or else (Get_Kind (Get_Parent (Sig_Object)) + /= Iir_Kind_Procedure_Declaration) + then + Error_Msg_Sem + (Disp_Node (Sig_Object) & " is not a formal parameter", Stmt); + end if; end if; - - Add_Element (Driver_List, Get_Longuest_Static_Prefix (Sig)); end Sem_Add_Driver; end Sem_Stmts; diff --git a/translate/ghdldrv/Makefile b/translate/ghdldrv/Makefile index e9d940bfa..229fb14c1 100644 --- a/translate/ghdldrv/Makefile +++ b/translate/ghdldrv/Makefile @@ -17,6 +17,7 @@ # 02111-1307, USA. GNATFLAGS=-gnaty3befhkmr -gnata -gnatwu -gnatwl -aI../.. -aI.. -aI../grt -aO.. -g -gnatf GRT_FLAGS=-g +LIB_CFLAGS=-g -O2 # Optimize, do not forget to use MODE=--genfast for iirs.adb. #GNATFLAGS+=-O -gnatn @@ -36,8 +37,8 @@ GRTSRCDIR=../grt include $(GRTSRCDIR)/Makefile.inc ghdl_mcode: GRT_FLAGS+=-DWITH_GNAT_RUN_TIME -ghdl_mcode: default_pathes.ads $(GRT_ADD_OBJS) memsegs_c.o force - gnatmake -aI../../ortho/mcode $(GNATFLAGS) ghdl_mcode $(GNAT_BARGS) -largs memsegs_c.o $(GNAT_LARGS) $(GRT_ADD_OBJS) $(subst @,$(GRTSRCDIR),$(GRT_EXTRA_LIB)) +ghdl_mcode: default_pathes.ads $(GRT_ADD_OBJS) memsegs_c.o chkstk.o force + gnatmake -aI../../ortho/mcode $(GNATFLAGS) ghdl_mcode $(GNAT_BARGS) -largs memsegs_c.o chkstk.o $(GNAT_LARGS) $(GRT_ADD_OBJS) $(subst @,$(GRTSRCDIR),$(GRT_EXTRA_LIB)) memsegs_c.o: ../../ortho/mcode/memsegs_c.c $(CC) -c -g -o $@ $< @@ -64,8 +65,6 @@ bootstrap.old: force $(MAKE) -C ../../libraries EXT=obj \ ANALYSE="$(PWD)/ghdl -a -g" std-obj93.cf -LIB_CFLAGS=-g -O2 - LIB93_DIR:=../lib/v93 LIB87_DIR:=../lib/v87 LIBSRC_DIR:=../../libraries diff --git a/translate/ghdldrv/ghdlrun.adb b/translate/ghdldrv/ghdlrun.adb index ed12e2c3e..4bae12dce 100644 --- a/translate/ghdldrv/ghdlrun.adb +++ b/translate/ghdldrv/ghdlrun.adb @@ -39,7 +39,6 @@ with Ortho_Code.Abi; with Types; with Iirs; use Iirs; with Flags; -with Back_End; with Errorout; use Errorout; with Libraries; with Canon; @@ -82,17 +81,12 @@ package body Ghdlrun is procedure Compile_Init (Analyze_Only : Boolean) is begin - Back_End.Sem_Foreign := Trans_Be.Sem_Foreign'Access; - if Analyze_Only then return; end if; Translation.Foreign_Hook := Foreign_Hook'Access; - -- Initialize. - Back_End.Finish_Compilation := Trans_Be.Finish_Compilation'Access; - -- The design is always analyzed in whole. Flags.Flag_Whole_Analyze := True; @@ -355,8 +349,14 @@ package body Ghdlrun is Def (Trans_Decls.Ghdl_Now, Grt.Types.Current_Time'Address); + Def (Trans_Decls.Ghdl_Signal_Active_Chain, + Grt.Signals.Ghdl_Signal_Active_Chain'Address); + Def (Trans_Decls.Ghdl_Process_Add_Driver, Grt.Signals.Ghdl_Process_Add_Driver'Address); + Def (Trans_Decls.Ghdl_Signal_Direct_Driver, + Grt.Signals.Ghdl_Signal_Direct_Driver'Address); + Def (Trans_Decls.Ghdl_Signal_Add_Source, Grt.Signals.Ghdl_Signal_Add_Source'Address); Def (Trans_Decls.Ghdl_Signal_In_Conversion, @@ -709,5 +709,6 @@ package body Ghdlrun is Disp_Long_Help'Access); Ghdlcomp.Register_Commands; Register_Command (new Command_Run_Help); + Trans_Be.Register_Translation_Back_End; end Register_Commands; end Ghdlrun; diff --git a/translate/grt/Makefile.inc b/translate/grt/Makefile.inc index 2d9d60e84..ec0d4d03e 100644 --- a/translate/grt/Makefile.inc +++ b/translate/grt/Makefile.inc @@ -121,6 +121,9 @@ main.o: $(GRTSRCDIR)/main.adb i386.o: $(GRTSRCDIR)/config/i386.S $(CC) -c $(GRT_FLAGS) -o $@ $< +chkstk.o: $(GRTSRCDIR)/config/chkstk.S + $(CC) -c $(GRT_FLAGS) -o $@ $< + sparc.o: $(GRTSRCDIR)/config/sparc.S $(CC) -c $(GRT_FLAGS) -o $@ $< diff --git a/translate/grt/grt-disp.adb b/translate/grt/grt-disp.adb index a40f0edfe..075c8b4dc 100644 --- a/translate/grt/grt-disp.adb +++ b/translate/grt/grt-disp.adb @@ -86,16 +86,20 @@ package body Grt.Disp is Put ("Drv (1 prt) "); when Eff_One_Port => Put ("Eff (1 prt) "); + when Imp_Forward => + Put ("Forward "); + when Imp_Forward_Build => + Put ("Forward_Build "); when Imp_Guard => Put ("Guard "); when Imp_Stable => Put ("Stable "); when Imp_Quiet => - Put ("imp quiet "); + Put ("Quiet "); when Imp_Transaction => - Put ("imp transaction "); + Put ("Transaction "); when Imp_Delayed => - Put ("imp delayed "); + Put ("Delayed "); when Eff_Actual => Put ("Eff Actual "); when Eff_Multiple => @@ -132,9 +136,25 @@ package body Grt.Disp is | Eff_One_Resolved | Imp_Guard | Imp_Stable + | Imp_Quiet + | Imp_Transaction + | Imp_Delayed | Eff_Actual => Put_Sig_Index (Signal_Ptr_To_Index (Propagation.Table (I).Sig)); New_Line; + when Imp_Forward => + Put_I32 (stdout, Ghdl_I32 (Propagation.Table (I).Sig.Net)); + New_Line; + when Imp_Forward_Build => + declare + Forward : Forward_Build_Acc; + begin + Forward := Propagation.Table (I).Forward; + Put_Sig_Index (Signal_Ptr_To_Index (Forward.Src)); + Put (" -> "); + Put_Sig_Index (Signal_Ptr_To_Index (Forward.Targ)); + New_Line; + end; when Eff_Multiple | Drv_Multiple => Put_Sig_Range (Propagation.Table (I).Resolv.Sig_Range); @@ -150,10 +170,7 @@ package body Grt.Disp is Put_Sig_Range (Conv.Dest); New_Line; end; - when Imp_Quiet - | Imp_Transaction - | Imp_Delayed - | Prop_End => + when Prop_End => New_Line; when Drv_Error => null; diff --git a/translate/grt/grt-disp_signals.adb b/translate/grt/grt-disp_signals.adb index 0fdf01d23..e9011c989 100644 --- a/translate/grt/grt-disp_signals.adb +++ b/translate/grt/grt-disp_signals.adb @@ -77,6 +77,12 @@ package body Grt.Disp_Signals is else Disp_Value (T.Val, Mode); end if; + when Trans_Direct => + if Sig_Type /= null then + Disp_Value (stdout, T.Val_Ptr.all, Sig_Type); + else + Disp_Value (T.Val_Ptr.all, Mode); + end if; when Trans_Null => Put ("NULL"); when Trans_Error => @@ -109,6 +115,11 @@ package body Grt.Disp_Signals is else Put ('-'); end if; + if Sig.Has_Active then + Put ('a'); + else + Put ('-'); + end if; if Sig.S.Effective /= null then Put ('e'); else @@ -258,7 +269,7 @@ package body Grt.Disp_Signals is Put (stdout, S.all'Address); Put (" net: "); Put_I32 (stdout, Ghdl_I32 (S.Net)); - if S.Flags.Has_Active then + if S.Has_Active then Put (" +A"); end if; New_Line; @@ -348,7 +359,7 @@ package body Grt.Disp_Signals is Put_Sig_Index (I); Put (": "); Put (stdout, Sig.all'Address); - if Sig.Flags.Has_Active then + if Sig.Has_Active then Put (" +A"); end if; Put (" net: "); diff --git a/translate/grt/grt-signals.adb b/translate/grt/grt-signals.adb index 113c992d4..a0da21130 100644 --- a/translate/grt/grt-signals.adb +++ b/translate/grt/grt-signals.adb @@ -29,6 +29,18 @@ with Grt.Stdio; with Grt.Threads; use Grt.Threads; package body Grt.Signals is + procedure Free is new Ada.Unchecked_Deallocation + (Object => Transaction, Name => Transaction_Acc); + + procedure Free_In (Trans : Transaction_Acc) + is + Ntrans : Transaction_Acc; + begin + Ntrans := Trans; + Free (Ntrans); + end Free_In; + pragma Inline (Free_In); + function Is_Signal_Guarded (Sig : Ghdl_Signal_Ptr) return Boolean is begin @@ -128,10 +140,10 @@ package body Grt.Signals is Last_Active => -Std_Time'Last, Event => False, Active => False, + Has_Active => False, Mode => Mode, Flags => (Propag => Propag_None, - Has_Active => False, Is_Dumped => False, Cyc_Event => False), @@ -154,13 +166,13 @@ package body Grt.Signals is case Flag_Activity is when Activity_All => - Res.Flags.Has_Active := True; + Res.Has_Active := True; when Activity_Minimal => if (Sig_Rti.Common.Mode and Ghdl_Rti_Signal_Has_Active) /= 0 then - Res.Flags.Has_Active := True; + Res.Has_Active := True; end if; when Activity_None => - Res.Flags.Has_Active := False; + Res.Has_Active := False; end case; -- Put the signal in the table. @@ -184,7 +196,7 @@ package body Grt.Signals is S_Rti := To_Ghdl_Rtin_Object_Acc (Rti); if Flag_Activity = Activity_Minimal then if (S_Rti.Common.Mode and Ghdl_Rti_Signal_Has_Active) /= 0 then - Sig.Flags.Has_Active := True; + Sig.Has_Active := True; end if; end if; end Ghdl_Signal_Merge_Rti; @@ -234,7 +246,10 @@ package body Grt.Signals is end if; end Check_New_Source; - procedure Ghdl_Process_Add_Driver (Sign : Ghdl_Signal_Ptr) + -- Return TRUE if already present. + function Ghdl_Signal_Add_Driver (Sign : Ghdl_Signal_Ptr; + Trans : Transaction_Acc) + return Boolean is type Size_T is mod 2**Standard'Address_Size; @@ -251,7 +266,6 @@ package body Grt.Signals is / System.Storage_Unit); end Size; - Trans : Transaction_Acc; Id : Process_Id; begin Id := Get_Current_Process_Id; @@ -263,24 +277,60 @@ package body Grt.Signals is -- Do not create a driver twice. for I in 0 .. Sign.S.Nbr_Drivers - 1 loop if Sign.S.Drivers (I).Proc = Id then - return; + return True; end if; end loop; Check_New_Source (Sign); Sign.S.Nbr_Drivers := Sign.S.Nbr_Drivers + 1; Sign.S.Drivers := Realloc (Sign.S.Drivers, Size (Sign.S.Nbr_Drivers)); end if; + Sign.S.Drivers (Sign.S.Nbr_Drivers - 1) := + (First_Trans => Trans, + Last_Trans => Trans, + Proc => Id); + return False; + end Ghdl_Signal_Add_Driver; + + procedure Ghdl_Process_Add_Driver (Sign : Ghdl_Signal_Ptr) + is + Trans : Transaction_Acc; + begin Trans := new Transaction'(Kind => Trans_Value, Line => 0, Time => 0, Next => null, Val => Sign.Value); - Sign.S.Drivers (Sign.S.Nbr_Drivers - 1) := - (First_Trans => Trans, - Last_Trans => Trans, - Proc => Id); + if Ghdl_Signal_Add_Driver (Sign, Trans) then + Free (Trans); + end if; end Ghdl_Process_Add_Driver; + procedure Ghdl_Signal_Direct_Driver (Sign : Ghdl_Signal_Ptr; + Drv : Ghdl_Value_Ptr) + is + Trans : Transaction_Acc; + Trans1 : Transaction_Acc; + begin + -- Create transaction for current driving value. + Trans := new Transaction'(Kind => Trans_Value, + Line => 0, + Time => 0, + Next => null, + Val => Sign.Value); + if Ghdl_Signal_Add_Driver (Sign, Trans) then + Free (Trans); + return; + end if; + -- Create transaction for the next driving value. + Trans1 := new Transaction'(Kind => Trans_Direct, + Line => 0, + Time => 0, + Next => null, + Val_Ptr => Drv); + Sign.S.Drivers (Sign.S.Nbr_Drivers - 1).Last_Trans := Trans1; + Trans.Next := Trans1; + end Ghdl_Signal_Direct_Driver; + procedure Append_Port (Targ : Ghdl_Signal_Ptr; Src : Ghdl_Signal_Ptr) is type Size_T is new Integer; @@ -342,8 +392,25 @@ package body Grt.Signals is Sign.S.Resolv.Disconnect_Time := Time; end Ghdl_Signal_Set_Disconnect; - procedure Free is new Ada.Unchecked_Deallocation - (Object => Transaction, Name => Transaction_Acc); + procedure Direct_Assign + (Targ : out Value_Union; Val : Ghdl_Value_Ptr; Mode : Mode_Type) + is + begin + case Mode is + when Mode_B2 => + Targ.B2 := Val.B2; + when Mode_E8 => + Targ.E8 := Val.E8; + when Mode_E32 => + Targ.E32 := Val.E32; + when Mode_I32 => + Targ.I32 := Val.I32; + when Mode_I64 => + Targ.I64 := Val.I64; + when Mode_F64 => + Targ.F64 := Val.F64; + end case; + end Direct_Assign; function Value_Equal (Left, Right : Value_Union; Mode : Mode_Type) return Boolean @@ -365,6 +432,16 @@ package body Grt.Signals is end case; end Value_Equal; + procedure Error_Trans_Error (Trans : Transaction_Acc) is + begin + Error_C ("range check error on signal at "); + Error_C (Trans.File); + Error_C (":"); + Error_C (Natural (Trans.Line)); + Error_E (""); + end Error_Trans_Error; + pragma No_Return (Error_Trans_Error); + function Find_Driver (Sig : Ghdl_Signal_Ptr) return Ghdl_Index_Type is Id : Process_Id; @@ -397,16 +474,14 @@ package body Grt.Signals is return null; end Get_Driver; - -- Unused but well-known signal which always terminate ACTIVE_LIST. - -- As a consequence, every element of ACTIVE_LIST has a link field set to + -- Unused but well-known signal which always terminate + -- ghdl_signal_active_chain. + -- As a consequence, every element of the chain has a link field set to -- a non-null value (this is of course not true for SIGNAL_END). This may -- be used to quickly check if a signal is in the list. -- This signal is not in the signal table. Signal_End : Ghdl_Signal_Ptr; - -- List of active signals. - Active_List : aliased Ghdl_Signal_Ptr; - -- List of signals which have projected waveforms in the future (beyond -- the next delta cycle). Future_List : aliased Ghdl_Signal_Ptr; @@ -432,7 +507,8 @@ package body Grt.Signals is -- Put SIGN on the active list if the transaction is scheduled -- for the next delta cycle. if Sign.Link = null then - Sign.Link := Grt.Threads.Atomic_Insert (Active_List'access, Sign); + Sign.Link := Grt.Threads.Atomic_Insert + (Ghdl_Signal_Active_Chain'access, Sign); end if; else -- AFTER > 0. @@ -445,13 +521,38 @@ package body Grt.Signals is Assign_Time := Current_Time + After; if Assign_Time < 0 then -- Beyond the future - declare - Ntrans : Transaction_Acc; - begin - Ntrans := Trans; - Free (Ntrans); - return; - end; + Free_In (Trans); + return; + end if; + + -- Handle sign as direct driver. + if Driver.Last_Trans.Kind = Trans_Direct then + if After /= 0 then + Internal_Error ("direct assign with non-0 after"); + end if; + -- FIXME: can be a bound-error too! + if Trans.Kind = Trans_Value then + case Sign.Mode is + when Mode_B2 => + Driver.Last_Trans.Val_Ptr.B2 := Trans.Val.B2; + when Mode_E8 => + Driver.Last_Trans.Val_Ptr.E8 := Trans.Val.E8; + when Mode_E32 => + Driver.Last_Trans.Val_Ptr.E32 := Trans.Val.E32; + when Mode_I32 => + Driver.Last_Trans.Val_Ptr.I32 := Trans.Val.I32; + when Mode_I64 => + Driver.Last_Trans.Val_Ptr.I64 := Trans.Val.I64; + when Mode_F64 => + Driver.Last_Trans.Val_Ptr.F64 := Trans.Val.F64; + end case; + Free_In (Trans); + elsif Trans.Kind = Trans_Error then + Error_Trans_Error (Trans); + else + Internal_Error ("direct assign with non-value"); + end if; + return; end if; -- LRM93 8.4.1 @@ -732,7 +833,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.B2 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -803,7 +904,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.E8 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -876,7 +977,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.E32 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -949,7 +1050,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.I32 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -1022,7 +1123,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.I64 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -1095,7 +1196,7 @@ package body Grt.Signals is is Trans : Transaction_Acc; begin - if not Sign.Flags.Has_Active + if not Sign.Has_Active and then Sign.Net = Net_One_Driver and then Val = Sign.Value.F64 and then Sign.S.Drivers (0).First_Trans.Next = null @@ -1302,6 +1403,7 @@ package body Grt.Signals is is begin Add_Port (Last_Implicit_Signal, Sig); + Sig.Has_Active := True; end Ghdl_Signal_Guard_Dependence; function Ghdl_Create_Delayed_Signal (Sig : Ghdl_Signal_Ptr; Val : Std_Time) @@ -1361,16 +1463,6 @@ package body Grt.Signals is return To_Ghdl_Value_Ptr (Sig.Ports (Index).Driving_Value'Address); end Ghdl_Signal_Read_Port; - procedure Error_Trans_Error (Trans : Transaction_Acc) is - begin - Error_C ("range check error on signal at "); - Error_C (Trans.File); - Error_C (":"); - Error_C (Natural (Trans.Line)); - Error_E (""); - end Error_Trans_Error; - pragma No_Return (Error_Trans_Error); - function Ghdl_Signal_Read_Driver (Sig : Ghdl_Signal_Ptr; Index : Ghdl_Index_Type) return Ghdl_Value_Ptr @@ -1384,6 +1476,8 @@ package body Grt.Signals is case Trans.Kind is when Trans_Value => return To_Ghdl_Value_Ptr (Trans.Val'Address); + when Trans_Direct => + Internal_Error ("ghdl_signal_read_driver: trans_direct"); when Trans_Null => return null; when Trans_Error => @@ -1545,35 +1639,24 @@ package body Grt.Signals is end if; end Ghdl_Signal_Driving_Value_F64; + Ghdl_Implicit_Signal_Active_Chain : Ghdl_Signal_Ptr; + procedure Flush_Active_List is Sig : Ghdl_Signal_Ptr; Next_Sig : Ghdl_Signal_Ptr; begin - -- Free active_list. - Sig := Active_List; + -- Free active_chain. + Sig := Ghdl_Signal_Active_Chain; loop Next_Sig := Sig.Link; exit when Next_Sig = null; Sig.Link := null; Sig := Next_Sig; end loop; - Active_List := Sig; + Ghdl_Signal_Active_Chain := Sig; end Flush_Active_List; - -- Add SIG in active_list. - procedure Add_Active_List (Sig : Ghdl_Signal_Ptr); - pragma Inline (Add_Active_List); - - procedure Add_Active_List (Sig : Ghdl_Signal_Ptr) - is - begin - if Sig.Link = null then - Sig.Link := Active_List; - Active_List := Sig; - end if; - end Add_Active_List; - function Find_Next_Time return Std_Time is Res : Std_Time; @@ -1582,32 +1665,37 @@ package body Grt.Signals is procedure Check_Transaction (Trans : Transaction_Acc) is begin - if Trans /= null then - if Trans.Time = Res and Sig.Link = null then - Sig.Link := Active_List; - Active_List := Sig; - elsif Trans.Time < Res then - Flush_Active_List; + if Trans = null or else Trans.Kind = Trans_Direct then + -- Activity of direct drivers is done through link. + return; + end if; - -- Put sig on the list. - Sig.Link := Active_List; - Active_List := Sig; + if Trans.Time = Res and Sig.Link = null then + Sig.Link := Ghdl_Signal_Active_Chain; + Ghdl_Signal_Active_Chain := Sig; + elsif Trans.Time < Res then + Flush_Active_List; - Res := Trans.Time; - end if; - if Res = Current_Time then - -- Must have been in the active list. - Internal_Error ("find_next_time(2)"); - end if; + -- Put sig on the list. + Sig.Link := Ghdl_Signal_Active_Chain; + Ghdl_Signal_Active_Chain := Sig; + + Res := Trans.Time; + end if; + if Res = Current_Time then + -- Must have been in the active list. + Internal_Error ("find_next_time(2)"); end if; end Check_Transaction; begin -- If there is signals in the active list, then next cycle is a delta -- cycle, so next time is current_time. - if Active_List.Link /= null then + if Ghdl_Signal_Active_Chain.Link /= null then + return Current_Time; + end if; + if Ghdl_Implicit_Signal_Active_Chain.Link /= null then return Current_Time; end if; - Res := Std_Time'Last; Sig := Future_List; @@ -1648,22 +1736,6 @@ package body Grt.Signals is -- return Length; -- end Get_Nbr_Non_Null_Source; - Clear_List : Ghdl_Signal_Ptr := null; - - procedure Mark_Active (Sig : Ghdl_Signal_Ptr); - pragma Inline (Mark_Active); - - procedure Mark_Active (Sig : Ghdl_Signal_Ptr) - is - begin - if Sig.Active then - Internal_Error ("mark_active"); - end if; - Sig.Active := True; - Sig.Last_Active := Current_Time; - Sig.Alink := Clear_List; - Clear_List := Sig; - end Mark_Active; type Resolver_Acc is access procedure (Instance : System.Address; @@ -1694,6 +1766,8 @@ package body Grt.Signals is Vec (I) := False; when Trans_Error => Error ("range check error"); + when Trans_Direct => + Internal_Error ("compute_resolved_signal: trans_direct"); end case; end loop; @@ -1762,6 +1836,17 @@ package body Grt.Signals is Propagation.Table (Propagation.Last) := P; end Add_Propagation; + procedure Add_Forward_Propagation (Sig : Ghdl_Signal_Ptr) + is + begin + for I in 1 .. Sig.Nbr_Ports loop + Add_Propagation + ((Kind => Imp_Forward_Build, + Forward => new Forward_Build_Type'(Src => Sig.Ports (I - 1), + Targ => Sig))); + end loop; + end Add_Forward_Propagation; + -- Put SIG in PROPAGATION table until ORDER level. procedure Order_Signal (Sig : Ghdl_Signal_Ptr; Order : Propag_Order_Flag); @@ -1919,6 +2004,9 @@ package body Grt.Signals is Sig.Flags.Propag := Propag_Being_Driving; Order_Signal_List (Sig, Propag_Done); Sig.Flags.Propag := Propag_Done; + if Sig.S.Mode_Sig in Mode_Signal_Forward then + Add_Forward_Propagation (Sig); + end if; case Mode_Signal_Implicit (Sig.S.Mode_Sig) is when Mode_Guard => Add_Propagation ((Kind => Imp_Guard, Sig => Sig)); @@ -2100,7 +2188,10 @@ package body Grt.Signals is Set_Net (Sig_Table.Table (I), Net, Link); end loop; end if; - when Mode_Signal_Implicit => + when Mode_Signal_Forward => + null; + when Mode_Transaction + | Mode_Guard => for I in 1 .. Sig.Nbr_Ports loop Set_Net (Sig.Ports (I - 1), Net, Link); end loop; @@ -2138,6 +2229,8 @@ package body Grt.Signals is | Out_Conversion => return Sig_Table.Table (Propagation.Table (P).Conv.Src.First).Net; + when Imp_Forward_Build => + return Propagation.Table (P).Forward.Src.Net; when others => return Propagation.Table (P).Sig.Net; end case; @@ -2155,7 +2248,7 @@ package body Grt.Signals is and then Sig.Nbr_Ports = 0 and then Sig.S.Effective = null then - Internal_Error ("create_nets(1)"); + Internal_Error ("merge_net(1)"); end if; if Sig.S.Effective /= null @@ -2205,16 +2298,33 @@ package body Grt.Signals is when Drv_One_Port | Eff_One_Port | Imp_Guard - | Imp_Quiet | Imp_Transaction - | Imp_Stable - | Imp_Delayed | Eff_Actual | Drv_One_Resolved => Sig := Propagation.Table (I).Sig; if Sig.Net = No_Signal_Net then Merge_Net (Sig); end if; + when Imp_Forward => + -- Should not yet appear. + Internal_Error ("create_nets - forward"); + when Imp_Forward_Build => + Sig := Propagation.Table (I).Forward.Src; + if Sig.Net = No_Signal_Net then + -- Create a new net with only sig. + Last_Signal_Net := Last_Signal_Net + 1; + Set_Net (Sig, Last_Signal_Net, Sig); + end if; + when Imp_Quiet + | Imp_Stable + | Imp_Delayed => + Sig := Propagation.Table (I).Sig; + if Sig.Net = No_Signal_Net then + -- Create a new net with only sig. + Last_Signal_Net := Last_Signal_Net + 1; + Sig.Net := Last_Signal_Net; + Sig.Link := Sig; + end if; when Drv_Multiple | Eff_Multiple => declare @@ -2277,6 +2387,9 @@ package body Grt.Signals is procedure Free is new Ada.Unchecked_Deallocation (Name => Propag_Array_Acc, Object => Propag_Array); + procedure Deallocate is new Ada.Unchecked_Deallocation + (Object => Forward_Build_Type, Name => Forward_Build_Acc); + Net : Signal_Net_Type; begin -- 1) Count number of propagation cell per net. @@ -2286,7 +2399,8 @@ package body Grt.Signals is Net := Get_Propagation_Net (I); Offs (Net) := Offs (Net) + 1; end loop; - -- 2) Convert this table into offsets. + + -- 2) Convert numbers to offsets. Last_Off := 1; for I in 1 .. Last_Signal_Net loop Num := Offs (I); @@ -2296,11 +2410,9 @@ package body Grt.Signals is Last_Off := Last_Off + 1 + Num; end if; end loop; - Num := Offs (0); Offs (0) := Last_Off + 1; - --Last_Off := Last_Off + 1 + Num - 1; - -- 3) Re-order the table (by a copy). + -- 3) Gather entries by net (copy) Propag := new Propag_Array (1 .. Last_Off); for I in Propagation.First .. Propagation.Last loop Net := Get_Propagation_Net (I); @@ -2312,7 +2424,13 @@ package body Grt.Signals is Propagation.Set_Last (Last_Off); Propagation.Release; for I in Propagation.First .. Propagation.Last loop - Propagation.Table (I) := Propag (I); + if Propag (I).Kind = Imp_Forward_Build then + Propagation.Table (I) := (Kind => Imp_Forward, + Sig => Propag (I).Forward.Targ); + Deallocate (Propag (I).Forward); + else + Propagation.Table (I) := Propag (I); + end if; end loop; Free (Propag); for I in 1 .. Last_Signal_Net loop @@ -2343,7 +2461,11 @@ package body Grt.Signals is if Sig.S.Resolv /= null then Sig.Net := Net_One_Resolved; elsif Sig.S.Nbr_Drivers = 1 then - Sig.Net := Net_One_Driver; + if Sig.S.Drivers (0).Last_Trans.Kind = Trans_Direct then + Sig.Net := Net_One_Direct; + else + Sig.Net := Net_One_Driver; + end if; end if; else Sig.Net := Signal_Net_Type (Offs (Sig.Net)); @@ -2448,6 +2570,35 @@ package body Grt.Signals is Create_Nets; end Order_All_Signals; + -- Add SIG in active_chain. + procedure Add_Active_Chain (Sig : Ghdl_Signal_Ptr); + pragma Inline (Add_Active_Chain); + + procedure Add_Active_Chain (Sig : Ghdl_Signal_Ptr) + is + begin + if Sig.Link = null then + Sig.Link := Ghdl_Signal_Active_Chain; + Ghdl_Signal_Active_Chain := Sig; + end if; + end Add_Active_Chain; + + Clear_List : Ghdl_Signal_Ptr := null; + + procedure Mark_Active (Sig : Ghdl_Signal_Ptr); + pragma Inline (Mark_Active); + + procedure Mark_Active (Sig : Ghdl_Signal_Ptr) + is + begin + if not Sig.Active then + Sig.Active := True; + Sig.Last_Active := Current_Time; + Sig.Alink := Clear_List; + Clear_List := Sig; + end if; + end Mark_Active; + procedure Set_Guard_Activity (Sig : Ghdl_Signal_Ptr) is begin for I in 1 .. Sig.Nbr_Ports loop @@ -2489,10 +2640,17 @@ package body Grt.Signals is begin for J in 1 .. Sig.S.Nbr_Drivers loop Trans := Sig.S.Drivers (J - 1).First_Trans.Next; - if Trans /= null and then Trans.Time = Current_Time then - Free (Sig.S.Drivers (J - 1).First_Trans); - Sig.S.Drivers (J - 1).First_Trans := Trans; - Res := True; + if Trans /= null then + if Trans.Kind = Trans_Direct then + Direct_Assign (Sig.S.Drivers (J - 1).First_Trans.Val, + Trans.Val_Ptr, Sig.Mode); + -- In fact we knew the signal was active! + Res := True; + elsif Trans.Time = Current_Time then + Free (Sig.S.Drivers (J - 1).First_Trans); + Sig.S.Drivers (J - 1).First_Trans := Trans; + Res := True; + end if; end if; end loop; if Res then @@ -2561,7 +2719,7 @@ package body Grt.Signals is -- Append the transaction. Prev.Next := Trans; if Sig.S.Time = 0 then - Add_Active_List (Sig); + Add_Active_Chain (Sig); end if; end if; end Delayed_Implicit_Process; @@ -2597,6 +2755,7 @@ package body Grt.Signals is I : Signal_Net_Type; Sig : Ghdl_Signal_Ptr; Trans : Transaction_Acc; + First_Trans : Transaction_Acc; begin I := Start; loop @@ -2605,19 +2764,31 @@ package body Grt.Signals is when Drv_One_Driver | Eff_One_Driver => Sig := Propagation.Table (I).Sig; - Trans := Sig.S.Drivers (0).First_Trans.Next; - if Trans /= null and then Trans.Time = Current_Time then - Mark_Active (Sig); - Free (Sig.S.Drivers (0).First_Trans); - Sig.S.Drivers (0).First_Trans := Trans; - case Trans.Kind is - when Trans_Value => - Sig.Driving_Value := Trans.Val; - when Trans_Null => - Error ("null transaction"); - when Trans_Error => - Error_Trans_Error (Trans); - end case; + First_Trans := Sig.S.Drivers (0).First_Trans; + Trans := First_Trans.Next; + if Trans /= null then + if Trans.Kind = Trans_Direct then + -- Note: already or will be marked as active in + -- update_signals. + Mark_Active (Sig); + Direct_Assign (First_Trans.Val, + Trans.Val_Ptr, Sig.Mode); + Sig.Driving_Value := First_Trans.Val; + elsif Trans.Time = Current_Time then + Mark_Active (Sig); + Free (First_Trans); + Sig.S.Drivers (0).First_Trans := Trans; + case Trans.Kind is + when Trans_Value => + Sig.Driving_Value := Trans.Val; + when Trans_Direct => + Internal_Error ("run_propagation: trans_direct"); + when Trans_Null => + Error ("null transaction"); + when Trans_Error => + Error_Trans_Error (Trans); + end case; + end if; end if; when Drv_One_Resolved | Eff_One_Resolved => @@ -2663,8 +2834,15 @@ package body Grt.Signals is when Imp_Guard | Imp_Stable | Imp_Quiet - | Imp_Transaction => + | Imp_Transaction + | Imp_Forward_Build => null; + when Imp_Forward => + Sig := Propagation.Table (I).Sig; + if Sig.Link = null then + Sig.Link := Ghdl_Implicit_Signal_Active_Chain; + Ghdl_Implicit_Signal_Active_Chain := Sig; + end if; when Imp_Delayed => Sig := Propagation.Table (I).Sig; Trans := Sig.S.Attr_Trans.Next; @@ -2717,6 +2895,9 @@ package body Grt.Signals is if Sig.Active then Set_Effective_Value (Sig, Sig.S.Effective.Value); end if; + when Imp_Forward + | Imp_Forward_Build => + null; when Imp_Guard => -- Guard signal is active iff one of its dependence is active. Sig := Propagation.Table (I).Sig; @@ -2746,7 +2927,7 @@ package body Grt.Signals is Sig.S.Attr_Trans.Next := Trans; Set_Effective_Value (Sig, Sig.Driving_Value); if Sig.S.Time = 0 then - Add_Active_List (Sig); + Add_Active_Chain (Sig); end if; else Trans := Sig.S.Attr_Trans.Next; @@ -2835,8 +3016,8 @@ package body Grt.Signals is -- 1) Reset active flag. Reset_Active_Flag; - Sig := Active_List; - Active_List := Signal_End; + Sig := Ghdl_Signal_Active_Chain; + Ghdl_Signal_Active_Chain := Signal_End; while Sig.S.Mode_Sig /= Mode_End loop Next_Sig := Sig.Link; Sig.Link := null; @@ -2852,6 +3033,8 @@ package body Grt.Signals is case Trans.Kind is when Trans_Value => Sig.Driving_Value := Trans.Val; + when Trans_Direct => + Internal_Error ("update_signals: trans_direct"); when Trans_Null => Error ("null transaction"); when Trans_Error => @@ -2859,15 +3042,28 @@ package body Grt.Signals is end case; Set_Effective_Value (Sig, Sig.Driving_Value); + when Net_One_Direct => + Mark_Active (Sig); + + Trans := Sig.S.Drivers (0).Last_Trans; + Sig.Driving_Value := Trans.Val_Ptr.all; + Sig.S.Drivers (0).First_Trans.Val := Trans.Val_Ptr.all; + Set_Effective_Value (Sig, Sig.Driving_Value); + when Net_One_Resolved => -- This signal is active. Mark_Active (Sig); for J in 1 .. Sig.S.Nbr_Drivers loop Trans := Sig.S.Drivers (J - 1).First_Trans.Next; - if Trans /= null and then Trans.Time = Current_Time then - Free (Sig.S.Drivers (J - 1).First_Trans); - Sig.S.Drivers (J - 1).First_Trans := Trans; + if Trans /= null then + if Trans.Kind = Trans_Direct then + Direct_Assign (Sig.S.Drivers (J - 1).First_Trans.Val, + Trans.Val_Ptr, Sig.Mode); + elsif Trans.Time = Current_Time then + Free (Sig.S.Drivers (J - 1).First_Trans); + Sig.S.Drivers (J - 1).First_Trans := Trans; + end if; end if; end loop; Compute_Resolved_Signal (Sig.S.Resolv); @@ -2881,17 +3077,33 @@ package body Grt.Signals is Propagation.Table (Sig.Net).Updated := True; Run_Propagation (Sig.Net + 1); - -- Put it on the list. - Add_Active_List (Sig); + -- Put it on the list, so that updated flag will be cleared. + Add_Active_Chain (Sig); end if; end case; Sig := Next_Sig; end loop; + -- Implicit signals (forwarded). + loop + Sig := Ghdl_Implicit_Signal_Active_Chain; + exit when Sig.Link = null; + Ghdl_Implicit_Signal_Active_Chain := Sig.Link; + Sig.Link := null; + + if not Propagation.Table (Sig.Net).Updated then + Propagation.Table (Sig.Net).Updated := True; + Run_Propagation (Sig.Net + 1); + + -- Put it on the list, so that updated flag will be cleared. + Add_Active_Chain (Sig); + end if; + end loop; + -- Un-mark updated. - Sig := Active_List; - Active_List := Signal_End; + Sig := Ghdl_Signal_Active_Chain; + Ghdl_Signal_Active_Chain := Signal_End; while Sig.Link /= null loop Propagation.Table (Sig.Net).Updated := False; Next_Sig := Sig.Link; @@ -2909,8 +3121,8 @@ package body Grt.Signals is begin Trans := Sig.S.Attr_Trans.Next; if Trans /= null and then Trans.Time = Current_Time then - Sig.Link := Active_List; - Active_List := Sig; + Sig.Link := Ghdl_Implicit_Signal_Active_Chain; + Ghdl_Implicit_Signal_Active_Chain := Sig; end if; end; when others => @@ -2954,7 +3166,9 @@ package body Grt.Signals is when Imp_Guard | Imp_Stable | Imp_Quiet - | Imp_Transaction => + | Imp_Transaction + | Imp_Forward + | Imp_Forward_Build => null; when Imp_Delayed => -- LRM 14.1 @@ -3006,7 +3220,9 @@ package body Grt.Signals is Sig.Value := Sig.Driving_Value; when Imp_Stable | Imp_Quiet - | Imp_Transaction => + | Imp_Transaction + | Imp_Forward + | Imp_Forward_Build => -- Already initialized during creation. null; when In_Conversion => @@ -3031,11 +3247,13 @@ package body Grt.Signals is Sig := Sig_Table.Table (I); case Sig.Net is - when Net_One_Driver => + when Net_One_Driver + | Net_One_Direct => -- Nothing to do: drivers were already created. null; when Net_One_Resolved => + Sig.Has_Active := True; if Sig.Nbr_Ports > 0 then Compute_Resolved_Signal (Sig.S.Resolv); Sig.Value := Sig.Driving_Value; @@ -3066,10 +3284,10 @@ package body Grt.Signals is Last_Active => 0, Event => False, Active => False, + Has_Active => False, Mode => Mode_B2, Flags => (Propag => Propag_None, - Has_Active => False, Is_Dumped => False, Cyc_Event => False), @@ -3086,7 +3304,8 @@ package body Grt.Signals is S => (Mode_Sig => Mode_End)); - Active_List := Signal_End; + Ghdl_Signal_Active_Chain := Signal_End; + Ghdl_Implicit_Signal_Active_Chain := Signal_End; Future_List := Signal_End; Boolean_Signal_Rti.Obj_Type := Std_Standard_Boolean_RTI_Ptr; diff --git a/translate/grt/grt-signals.ads b/translate/grt/grt-signals.ads index 9abea657c..aca2744a3 100644 --- a/translate/grt/grt-signals.ads +++ b/translate/grt/grt-signals.ads @@ -29,6 +29,8 @@ package Grt.Signals is ( -- Normal transaction, with a value. Trans_Value, + -- Normal transaction, with a pointer to a value (direct assignment). + Trans_Direct, -- Null transaction. Trans_Null, -- Like a normal transaction, but without a value due to check error. @@ -38,17 +40,20 @@ package Grt.Signals is type Transaction; type Transaction_Acc is access Transaction; type Transaction (Kind : Transaction_Kind) is record + -- Line for error. Put here to compact the record. Line : Ghdl_I32; + Next : Transaction_Acc; Time : Std_Time; case Kind is when Trans_Value => Val : Value_Union; + when Trans_Direct => + Val_Ptr : Ghdl_Value_Ptr; when Trans_Null => null; when Trans_Error => - -- FIXME: should have a location field, to be able to display - -- a message. + -- Filename for error. File : Ghdl_C_String; end case; end record; @@ -118,6 +123,12 @@ package Grt.Signals is end record; type Sig_Conversion_Acc is access Sig_Conversion_Type; + type Forward_Build_Type is record + Src : Ghdl_Signal_Ptr; + Targ : Ghdl_Signal_Ptr; + end record; + type Forward_Build_Acc is access Forward_Build_Type; + -- Used to order the signals for the propagation of signals values. type Propag_Order_Flag is ( @@ -141,7 +152,8 @@ package Grt.Signals is type Signal_Net_Type is new Integer; No_Signal_Net : constant Signal_Net_Type := 0; Net_One_Driver : constant Signal_Net_Type := -1; - Net_One_Resolved : constant Signal_Net_Type := -2; + Net_One_Direct : constant Signal_Net_Type := -2; + Net_One_Resolved : constant Signal_Net_Type := -3; -- Flush the list of active signals. procedure Flush_Active_List; @@ -189,9 +201,6 @@ package Grt.Signals is -- Status of the ordering. Propag : Propag_Order_Flag; - -- If set, the activity of the signal is required by the user. - Has_Active : Boolean; - -- If set, the signal is dumped in a GHW file. Is_Dumped : Boolean; @@ -208,8 +217,16 @@ package Grt.Signals is Last_Value : Value_Union; Last_Event : Std_Time; Last_Active : Std_Time; + + -- Chain of signals. + -- Used to build nets. + -- This is also the simply linked list of future active signals. + Link : Ghdl_Signal_Ptr; + Event : Boolean; Active : Boolean; + -- If set, the activity of the signal is required by the user. + Has_Active : Boolean; -- Internal fields. -- Values mode of this signal. @@ -221,11 +238,6 @@ package Grt.Signals is -- Net of the signal. Net : Signal_Net_Type; - -- Chain of signals. - -- Used to build nets. - -- This is also the simply linked list of future active signals. - Link : Ghdl_Signal_Ptr; - -- Chain of signals whose active flag was set. Used to clear it. Alink : Ghdl_Signal_Ptr; @@ -299,6 +311,10 @@ package Grt.Signals is -- The effective value is the actual associated. Eff_Actual, + -- Sig must be updated but does not belong to the same net. + Imp_Forward, + Imp_Forward_Build, + -- Implicit guard signal. -- Its value must be evaluated after the effective value of its -- dependences. @@ -341,6 +357,7 @@ package Grt.Signals is | Eff_One_Driver | Drv_One_Port | Eff_One_Port + | Imp_Forward | Imp_Guard | Imp_Quiet | Imp_Transaction @@ -356,6 +373,8 @@ package Grt.Signals is when In_Conversion | Out_Conversion => Conv : Sig_Conversion_Acc; + when Imp_Forward_Build => + Forward : Forward_Build_Acc; when Prop_End => Updated : Boolean; end case; @@ -545,6 +564,10 @@ package Grt.Signals is -- Add a driver to SIGN for the current process. procedure Ghdl_Process_Add_Driver (Sign : Ghdl_Signal_Ptr); + -- Add a direct driver for the current process. + procedure Ghdl_Signal_Direct_Driver (Sign : Ghdl_Signal_Ptr; + Drv : Ghdl_Value_Ptr); + -- Used for connexions: -- SRC is a source for TARG. procedure Ghdl_Signal_Add_Source (Targ : Ghdl_Signal_Ptr; @@ -610,6 +633,8 @@ package Grt.Signals is (Sig : Ghdl_Signal_Ptr; Index : Ghdl_Index_Type) return Ghdl_Value_Ptr; + Ghdl_Signal_Active_Chain : aliased Ghdl_Signal_Ptr; + -- Statistics. Nbr_Active : Ghdl_I32; Nbr_Events: Ghdl_I32; @@ -730,6 +755,9 @@ private pragma Export (C, Ghdl_Process_Add_Driver, "__ghdl_process_add_driver"); + pragma Export (C, Ghdl_Signal_Direct_Driver, + "__ghdl_signal_direct_driver"); + pragma Export (C, Ghdl_Signal_Add_Source, "__ghdl_signal_add_source"); pragma Export (C, Ghdl_Signal_Effective_Value, @@ -766,4 +794,8 @@ private "__ghdl_signal_read_port"); pragma Export (C, Ghdl_Signal_Read_Driver, "__ghdl_signal_read_driver"); + + pragma Export (C, Ghdl_Signal_Active_Chain, + "__ghdl_signal_active_chain"); + end Grt.Signals; diff --git a/translate/grt/grt-stats.adb b/translate/grt/grt-stats.adb index 340c3dbc0..973d61766 100644 --- a/translate/grt/grt-stats.adb +++ b/translate/grt/grt-stats.adb @@ -184,6 +184,8 @@ package body Grt.Stats is Nbr_Resolv : Ghdl_I32; Nbr_Multi_Src : Ghdl_I32; Nbr_Active : Ghdl_I32; + Nbr_Drivers : Ghdl_I32; + Nbr_Direct_Drivers : Ghdl_I32; type Propagation_Kind_Array is array (Propagation_Kind_Type) of Ghdl_I32; Propag_Count : Propagation_Kind_Array; @@ -210,10 +212,13 @@ package body Grt.Stats is Nbr_Resolv := 0; Nbr_Multi_Src := 0; Nbr_Active := 0; + Nbr_Drivers := 0; + Nbr_Direct_Drivers := 0; Mode_Counts := (others => 0); for I in Sig_Table.First .. Sig_Table.Last loop declare Sig : Ghdl_Signal_Ptr; + Trans : Transaction_Acc; begin Sig := Sig_Table.Table (I); if Sig.S.Mode_Sig in Mode_Signal_User then @@ -226,9 +231,16 @@ package body Grt.Stats is if Sig.S.Resolv /= null then Nbr_Resolv := Nbr_Resolv + 1; end if; + Nbr_Drivers := Nbr_Drivers + Ghdl_I32 (Sig.S.Nbr_Drivers); + for J in 1 .. Sig.S.Nbr_Drivers loop + Trans := Sig.S.Drivers (J - 1).Last_Trans; + if Trans /= null and then Trans.Kind = Trans_Direct then + Nbr_Direct_Drivers := Nbr_Direct_Drivers + 1; + end if; + end loop; end if; Mode_Counts (Sig.Mode) := Mode_Counts (Sig.Mode) + 1; - if Sig.Flags.Has_Active then + if Sig.Has_Active then Nbr_Active := Nbr_Active + 1; end if; end; @@ -245,6 +257,12 @@ package body Grt.Stats is Put (stdout, "Number of signals whose activity is managed: "); Put_I32 (stdout, Nbr_Active); New_Line; + Put (stdout, "Number of drivers: "); + Put_I32 (stdout, Nbr_Drivers); + New_Line; + Put (stdout, "Number of direct drivers: "); + Put_I32 (stdout, Nbr_Direct_Drivers); + New_Line; Put (stdout, "Number of signals per mode:"); New_Line; for I in Mode_Type loop diff --git a/translate/grt/grt-types.ads b/translate/grt/grt-types.ads index c168ca40f..819b5db22 100644 --- a/translate/grt/grt-types.ads +++ b/translate/grt/grt-types.ads @@ -252,7 +252,7 @@ package Grt.Types is type Mode_Signal_Type is (Mode_Signal, Mode_Linkage, Mode_Buffer, Mode_Out, Mode_Inout, Mode_In, - Mode_Stable, Mode_Quiet, Mode_Transaction, Mode_Delayed, Mode_Guard, + Mode_Stable, Mode_Quiet, Mode_Delayed, Mode_Transaction, Mode_Guard, Mode_Conv_In, Mode_Conv_Out, Mode_End); @@ -267,6 +267,9 @@ package Grt.Types is subtype Mode_Signal_Implicit is Mode_Signal_Type range Mode_Stable .. Mode_Guard; + subtype Mode_Signal_Forward is + Mode_Signal_Type range Mode_Stable .. Mode_Delayed; + -- Kind of a signal. type Kind_Signal_Type is (Kind_Signal_No, Kind_Signal_Register, Kind_Signal_Bus); diff --git a/translate/ortho_front.adb b/translate/ortho_front.adb index 933c2ceae..aecc232bf 100644 --- a/translate/ortho_front.adb +++ b/translate/ortho_front.adb @@ -71,8 +71,7 @@ package body Ortho_Front is procedure Init is begin -- Initialize. - Back_End.Finish_Compilation := Trans_Be.Finish_Compilation'Access; - Back_End.Sem_Foreign := Trans_Be.Sem_Foreign'Access; + Trans_Be.Register_Translation_Back_End; Std_Names.Std_Names_Initialize; Libraries.Init_Pathes; Elab_Filelist := null; diff --git a/translate/trans_be.adb b/translate/trans_be.adb index 405821749..13b82fcab 100644 --- a/translate/trans_be.adb +++ b/translate/trans_be.adb @@ -15,6 +15,7 @@ -- 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 Iirs; use Iirs; with Disp_Tree; with Disp_Vhdl; with Sem; @@ -24,6 +25,7 @@ with Errorout; use Errorout; with Post_Sems; with Flags; with Ada.Text_IO; +with Back_End; package body Trans_Be is procedure Finish_Compilation @@ -146,4 +148,37 @@ package body Trans_Be is -- Let is generate error messages. Fi := Translate_Foreign_Id (Decl); end Sem_Foreign; + + function Parse_Option (Opt : String) return Boolean is + begin + if Opt = "--dump-drivers" then + Translation.Flag_Dump_Drivers := True; + elsif Opt = "--no-direct-drivers" then + Translation.Flag_Direct_Drivers := False; + elsif Opt = "--no-range-checks" then + Translation.Flag_Range_Checks := False; + elsif Opt = "--no-index-checks" then + Translation.Flag_Index_Checks := False; + elsif Opt = "--no-identifiers" then + Translation.Flag_Discard_Identifiers := True; + else + return False; + end if; + return True; + end Parse_Option; + + procedure Disp_Option + is + procedure P (Str : String) renames Ada.Text_IO.Put_Line; + begin + P (" --dump-drivers dump processes drivers"); + end Disp_Option; + + procedure Register_Translation_Back_End is + begin + Back_End.Finish_Compilation := Finish_Compilation'Access; + Back_End.Sem_Foreign := Sem_Foreign'Access; + Back_End.Parse_Option := Parse_Option'Access; + Back_End.Disp_Option := Disp_Option'Access; + end Register_Translation_Back_End; end Trans_Be; diff --git a/translate/trans_be.ads b/translate/trans_be.ads index 233ee0bf0..9ff06031b 100644 --- a/translate/trans_be.ads +++ b/translate/trans_be.ads @@ -15,12 +15,7 @@ -- 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 Iirs; use Iirs; - package Trans_Be is - procedure Finish_Compilation - (Unit : Iir_Design_Unit; Main : Boolean := False); - - procedure Sem_Foreign (Decl : Iir); + procedure Register_Translation_Back_End; end Trans_Be; diff --git a/translate/trans_decls.ads b/translate/trans_decls.ads index 6141fcd5b..027cbb594 100644 --- a/translate/trans_decls.ads +++ b/translate/trans_decls.ads @@ -69,6 +69,8 @@ package Trans_Decls is Ghdl_Signal_Start_Assign_Null : O_Dnode; Ghdl_Signal_Next_Assign_Null : O_Dnode; + Ghdl_Signal_Direct_Driver : O_Dnode; + Ghdl_Create_Signal_E8 : O_Dnode; Ghdl_Signal_Init_E8 : O_Dnode; Ghdl_Signal_Simple_Assign_E8 : O_Dnode; @@ -133,6 +135,9 @@ package Trans_Decls is Ghdl_Signal_Read_Driver : O_Dnode; Ghdl_Signal_Read_Port : O_Dnode; + -- Chain of to be active signals. + Ghdl_Signal_Active_Chain : O_Dnode; + -- Signal attribute. Ghdl_Create_Stable_Signal : O_Dnode; Ghdl_Create_Quiet_Signal : O_Dnode; diff --git a/translate/translation.adb b/translate/translation.adb index b1ed78788..90f961f0a 100644 --- a/translate/translation.adb +++ b/translate/translation.adb @@ -40,6 +40,7 @@ with Nodes; with GNAT.Table; with Canon; with Trans_Decls; use Trans_Decls; +with Trans_Analyzes; package body Translation is @@ -132,13 +133,16 @@ package body Translation is -- Signals. Ghdl_Scalar_Bytes : O_Tnode; Ghdl_Signal_Type : O_Tnode; - Ghdl_Signal_Value_Node : O_Fnode; - Ghdl_Signal_Driving_Value_Node : O_Fnode; - Ghdl_Signal_Last_Value_Node : O_Fnode; - Ghdl_Signal_Last_Event_Node : O_Fnode; - Ghdl_Signal_Last_Active_Node : O_Fnode; - Ghdl_Signal_Event_Node : O_Fnode; - Ghdl_Signal_Active_Node : O_Fnode; + Ghdl_Signal_Value_Field : O_Fnode; + Ghdl_Signal_Driving_Value_Field : O_Fnode; + Ghdl_Signal_Last_Value_Field : O_Fnode; + Ghdl_Signal_Last_Event_Field : O_Fnode; + Ghdl_Signal_Last_Active_Field : O_Fnode; + Ghdl_Signal_Active_Chain_Field : O_Fnode; + Ghdl_Signal_Event_Field : O_Fnode; + Ghdl_Signal_Active_Field : O_Fnode; + Ghdl_Signal_Has_Active_Field : O_Fnode; + Ghdl_Signal_Ptr : O_Tnode; Ghdl_Signal_Ptr_Ptr : O_Tnode; @@ -286,10 +290,10 @@ package body Translation is type Var_Ident_Type is private; --function Create_Var_Identifier (Id : Name_Id; Str : String) -- return Var_Ident_Type; - function Create_Var_Identifier (Id : Iir) - return Var_Ident_Type; - function Create_Var_Identifier (Id : String) - return Var_Ident_Type; + function Create_Var_Identifier (Id : Iir) return Var_Ident_Type; + function Create_Var_Identifier (Id : String) return Var_Ident_Type; + function Create_Var_Identifier (Id : Iir; Str : String; Val : Natural) + return Var_Ident_Type; function Create_Uniq_Identifier return Var_Ident_Type; type Var_Type (<>) is limited private; @@ -1033,6 +1037,13 @@ package body Translation is Record_Ptr_Type : O_Tnode; end record; + type Direct_Driver_Type is record + Sig : Iir; + Var : Var_Acc; + end record; + type Direct_Driver_Arr is array (Natural range <>) of Direct_Driver_Type; + type Direct_Drivers_Acc is access Direct_Driver_Arr; + type Ortho_Info_Type; type Ortho_Info_Acc is access Ortho_Info_Type; @@ -1117,6 +1128,8 @@ package body Translation is Object_Static : Boolean; -- The object itself. Object_Var : Var_Acc; + -- Direct driver for signal (if any). + Object_Driver : Var_Acc := null; -- RTI constant for the object. Object_Rti : O_Dnode := O_Dnode_Null; -- Function to compute the value of object (used for implicit @@ -1134,14 +1147,12 @@ package body Translation is Interface_Field : O_Fnode; -- Type of the interface. Interface_Type : O_Tnode; - -- Ortho node for the interface of the protected subprogram. - Interface_Protected : O_Dnode; when Kind_Disconnect => -- Variable which contains the time_expression of the -- disconnection specification Disconnect_Var : Var_Acc; when Kind_Process => - -- Type of process declarations. + -- Type of process declarations record. Process_Decls_Type : O_Tnode; -- Field in the parent block for the declarations in the process. @@ -1150,6 +1161,9 @@ package body Translation is -- Subprogram for the process. Process_Subprg : O_Dnode; + -- List of drivers if Flag_Direct_Drivers. + Process_Drivers : Direct_Drivers_Acc := null; + -- RTI for the process. Process_Rti_Const : O_Dnode := O_Dnode_Null; when Kind_Loop => @@ -1888,6 +1902,12 @@ package body Translation is procedure Elab_Signal_Declaration_Object (Decl : Iir; Parent : Iir; Check_Null : Boolean); + -- True of SIG has a direct driver. + function Has_Direct_Driver (Sig : Iir) return Boolean; + + -- Allocate memory for direct driver if necessary. + procedure Elab_Direct_Driver_Declaration_Storage (Decl : Iir); + -- Generate code to create object OBJ and initialize it with value VAL. procedure Elab_Object_Value (Obj : Iir; Value : Iir); @@ -1930,6 +1950,11 @@ package body Translation is -- SIG is true if RES is a signal object. function Translate_Name (Name : Iir) return Mnode; + -- Translate signal NAME into its node (SIG) and its direct driver + -- node (DRV). + procedure Translate_Direct_Driver + (Name : Iir; Sig : out Mnode; Drv : out Mnode); + -- Same as Translate_Name, but only for formal names. -- If SCOPE_TYPE and SCOPE_PARAM are not null, use them for the scope -- of the base name. @@ -2167,6 +2192,8 @@ package body Translation is (Sig : O_Enode; Sig_Type : Iir; Field : O_Fnode) return O_Lnode; + function Get_Signal_Field (Sig : Mnode; Field : O_Fnode) return O_Lnode; + function Translate_Length_Array_Attribute (Expr : Iir; Rtype : Iir) return O_Enode; function Translate_Low_Array_Attribute (Expr : Iir) return O_Enode; @@ -3693,11 +3720,7 @@ package body Translation is procedure Register_Signal (Targ : Mnode; Targ_Type : Iir; Proc : O_Dnode) - is - Proc_1 : O_Dnode := Proc; - begin - Register_Signal_1 (Targ, Targ_Type, Proc_1); - end Register_Signal; + renames Register_Signal_1; procedure Register_Signal_List (List : Iir_List; Proc : O_Dnode) is @@ -9722,6 +9745,42 @@ package body Translation is Close_Temp; end Elab_Signal_Declaration_Storage; + function Has_Direct_Driver (Sig : Iir) return Boolean + is + Info : Ortho_Info_Acc; + begin + Info := Get_Info (Get_Base_Name (Sig)); + return Info.Kind = Kind_Object + and then Info.Object_Driver /= null; + end Has_Direct_Driver; + + procedure Elab_Direct_Driver_Declaration_Storage (Decl : Iir) + is + Sig_Type : Iir; + Type_Info : Type_Info_Acc; + Sig_Info : Ortho_Info_Acc; + Name_Node : Mnode; + begin + Open_Temp; + + Sig_Type := Get_Type (Decl); + Sig_Info := Get_Info (Decl); + Type_Info := Get_Info (Sig_Type); + + if Type_Info.Type_Mode = Type_Mode_Fat_Array then + Name_Node := Get_Var (Sig_Info.Object_Driver, + Type_Info, Mode_Value); + Name_Node := Stabilize (Name_Node); + Chap3.Allocate_Fat_Array_Base (Alloc_System, Name_Node, Sig_Type); + elsif Type_Info.C /= null then + Name_Node := Get_Var (Sig_Info.Object_Driver, + Type_Info, Mode_Value); + Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Node); + end if; + + Close_Temp; + end Elab_Direct_Driver_Declaration_Storage; + -- Create signal object. -- Note: DECL can be a signal sub-element (used when signals are -- collapsed). @@ -10120,7 +10179,7 @@ package body Translation is (Decl_Type, Get_Identifier (Decl)); Info := Add_Info (Decl, Kind_Alias); - case Get_Kind (Get_Base_Name (Decl)) is + case Get_Kind (Get_Object_Prefix (Decl)) is when Iir_Kind_Signal_Declaration | Iir_Kind_Signal_Interface_Declaration | Iir_Kind_Guard_Signal_Declaration => @@ -10176,7 +10235,6 @@ package body Translation is Chap3.Elab_Object_Subtype (Decl_Type); Name := Get_Name (Decl); Name_Type := Get_Type (Name); - -- Evaluate names. Name_Node := Chap6.Translate_Name (Name); Kind := Get_Object_Kind (Name_Node); N_Info := Get_Info (Name_Type); @@ -11758,110 +11816,109 @@ package body Translation is Data : Connect_Data; Mode : Connect_Mode; begin - if Get_Kind (Assoc) = Iir_Kind_Association_Element_By_Expression - and then Get_Collapse_Signal_Flag (Assoc) = By_Copy - then - Open_Temp; - Formal := Get_Formal (Assoc); - Actual := Get_Actual (Assoc); - Formal_Type := Get_Type (Formal); - Actual_Type := Get_Type (Actual); - if Get_In_Conversion (Assoc) = Null_Iir - and then Get_Out_Conversion (Assoc) = Null_Iir - then - Formal_Node := Chap6.Translate_Name (Formal); - if Get_Object_Kind (Formal_Node) /= Mode_Signal then - raise Internal_Error; - end if; - if Is_Signal (Actual) then - -- LRM93 4.3.1.2 - -- For a signal of a scalar type, each source - -- is either a driver or an OUT, INOUT, BUFFER - -- or LINKAGE port of a component instance or - -- of a block statement with which the signal - -- is associated. - - -- LRM93 12.6.2 - -- For a scalar signal S, the effective value of S is - -- determined in the following manner: - -- * If S is [...] a port of mode BUFFER or [...], - -- then the effective value of S is the same as - -- the driving value of S. - -- * If S is a connected port of mode IN or INOUT, - -- then the effective value of S is the same as - -- the effective value of the actual part of the - -- association element that associates an actual - -- with S. - -- * [...] - case Get_Mode (Get_Base_Name (Formal)) is - when Iir_In_Mode => - Mode := Connect_Effective; - when Iir_Inout_Mode => - Mode := Connect_Both; - when Iir_Out_Mode - | Iir_Buffer_Mode - | Iir_Linkage_Mode => - Mode := Connect_Source; - when Iir_Unknown_Mode => - raise Internal_Error; - end case; + if Get_Kind (Assoc) /= Iir_Kind_Association_Element_By_Expression then + raise Internal_Error; + end if; - -- translate actual (abort if not a signal). - Actual_Node := Chap6.Translate_Name (Actual); - if Get_Object_Kind (Actual_Node) /= Mode_Signal then + Open_Temp; + Formal := Get_Formal (Assoc); + Actual := Get_Actual (Assoc); + Formal_Type := Get_Type (Formal); + Actual_Type := Get_Type (Actual); + if Get_In_Conversion (Assoc) = Null_Iir + and then Get_Out_Conversion (Assoc) = Null_Iir + then + Formal_Node := Chap6.Translate_Name (Formal); + if Get_Object_Kind (Formal_Node) /= Mode_Signal then + raise Internal_Error; + end if; + if Is_Signal (Actual) then + -- LRM93 4.3.1.2 + -- For a signal of a scalar type, each source is either + -- a driver or an OUT, INOUT, BUFFER or LINKAGE port of + -- a component instance or of a block statement with + -- which the signalis associated. + + -- LRM93 12.6.2 + -- For a scalar signal S, the effective value of S is + -- determined in the following manner: + -- * If S is [...] a port of mode BUFFER or [...], + -- then the effective value of S is the same as + -- the driving value of S. + -- * If S is a connected port of mode IN or INOUT, + -- then the effective value of S is the same as + -- the effective value of the actual part of the + -- association element that associates an actual + -- with S. + -- * [...] + case Get_Mode (Get_Base_Name (Formal)) is + when Iir_In_Mode => + Mode := Connect_Effective; + when Iir_Inout_Mode => + Mode := Connect_Both; + when Iir_Out_Mode + | Iir_Buffer_Mode + | Iir_Linkage_Mode => + Mode := Connect_Source; + when Iir_Unknown_Mode => raise Internal_Error; - end if; - else - declare - Actual_Val : O_Enode; - begin - Actual_Val := Chap7.Translate_Expression - (Actual, Formal_Type); - Actual_Node := E2M - (Actual_Val, Get_Info (Formal_Type), Mode_Value); - Mode := Connect_Value; - end; - end if; + end case; - if Get_Kind (Formal_Type) in Iir_Kinds_Array_Type_Definition - then - -- Check length matches. - Stabilize (Formal_Node); - Stabilize (Actual_Node); - Chap3.Check_Array_Match (Formal_Type, Formal_Node, - Actual_Type, Actual_Node, - Assoc); + -- translate actual (abort if not a signal). + Actual_Node := Chap6.Translate_Name (Actual); + if Get_Object_Kind (Actual_Node) /= Mode_Signal then + raise Internal_Error; end if; + else + declare + Actual_Val : O_Enode; + begin + Actual_Val := Chap7.Translate_Expression + (Actual, Formal_Type); + Actual_Node := E2M + (Actual_Val, Get_Info (Formal_Type), Mode_Value); + Mode := Connect_Value; + end; + end if; + + if Get_Kind (Formal_Type) in Iir_Kinds_Array_Type_Definition + then + -- Check length matches. + Stabilize (Formal_Node); + Stabilize (Actual_Node); + Chap3.Check_Array_Match (Formal_Type, Formal_Node, + Actual_Type, Actual_Node, + Assoc); + end if; + Data := (Actual_Node => Actual_Node, + Actual_Type => Actual_Type, + Mode => Mode, + By_Copy => By_Copy); + Connect (Formal_Node, Formal_Type, Data); + else + if Get_In_Conversion (Assoc) /= Null_Iir then + Chap4.Elab_In_Conversion (Assoc, Actual_Node); + Formal_Node := Chap6.Translate_Name (Formal); Data := (Actual_Node => Actual_Node, - Actual_Type => Actual_Type, - Mode => Mode, - By_Copy => By_Copy); + Actual_Type => Formal_Type, + Mode => Connect_Effective, + By_Copy => False); Connect (Formal_Node, Formal_Type, Data); - else - if Get_In_Conversion (Assoc) /= Null_Iir then - Chap4.Elab_In_Conversion (Assoc, Actual_Node); - Formal_Node := Chap6.Translate_Name (Formal); - Data := (Actual_Node => Actual_Node, - Actual_Type => Formal_Type, - Mode => Connect_Effective, - By_Copy => False); - Connect (Formal_Node, Formal_Type, Data); - end if; - if Get_Out_Conversion (Assoc) /= Null_Iir then - -- flow: FORMAL to ACTUAL - Chap4.Elab_Out_Conversion (Assoc, Formal_Node); - Actual_Node := Chap6.Translate_Name (Actual); - Data := (Actual_Node => Actual_Node, - Actual_Type => Actual_Type, - Mode => Connect_Source, - By_Copy => False); - Connect (Formal_Node, Actual_Type, Data); - end if; end if; - - Close_Temp; + if Get_Out_Conversion (Assoc) /= Null_Iir then + -- flow: FORMAL to ACTUAL + Chap4.Elab_Out_Conversion (Assoc, Formal_Node); + Actual_Node := Chap6.Translate_Name (Actual); + Data := (Actual_Node => Actual_Node, + Actual_Type => Actual_Type, + Mode => Connect_Source, + By_Copy => False); + Connect (Formal_Node, Actual_Type, Data); + end if; end if; + + Close_Temp; end Elab_Port_Map_Aspect_Assoc; -- Return TRUE if the collapse_signal_flag is set for each individual @@ -12477,8 +12534,13 @@ package body Translation is end Translate_Thin_Index_Offset; -- Translate an indexed name. - function Translate_Indexed_Name (Prefix_Orig : Mnode; Expr : Iir) - return Mnode + type Indexed_Name_Data is record + Offset : O_Dnode; + Res : Mnode; + end record; + + function Translate_Indexed_Name_Init (Prefix_Orig : Mnode; Expr : Iir) + return Indexed_Name_Data is Prefix : Mnode; Prefix_Type : Iir; @@ -12571,13 +12633,44 @@ package body Translation is Close_Temp; end loop; - R := New_Obj_Value (Offset); - return Chap3.Index_Base - (Chap3.Get_Array_Base (Prefix), Prefix_Type, R); + return (Offset => Offset, + Res => Chap3.Index_Base + (Chap3.Get_Array_Base (Prefix), Prefix_Type, + New_Obj_Value (Offset))); + end Translate_Indexed_Name_Init; + + function Translate_Indexed_Name_Finish + (Prefix : Mnode; Expr : Iir; Data : Indexed_Name_Data) + return Mnode + is + begin + return Chap3.Index_Base (Chap3.Get_Array_Base (Prefix), + Get_Type (Get_Prefix (Expr)), + New_Obj_Value (Data.Offset)); + end Translate_Indexed_Name_Finish; + + function Translate_Indexed_Name (Prefix : Mnode; Expr : Iir) + return Mnode + is + begin + return Translate_Indexed_Name_Init (Prefix, Expr).Res; end Translate_Indexed_Name; - function Translate_Slice_Name (Prefix : Mnode; Expr : Iir_Slice_Name) - return Mnode + type Slice_Name_Data is record + Off : Unsigned_64; + Is_Off : Boolean; + + Unsigned_Diff : O_Dnode; + + -- Variable pointing to the prefix. + Prefix_Var : Mnode; + + -- Variable pointing to slice. + Slice_Range : Mnode; + end record; + + procedure Translate_Slice_Name_Init + (Prefix : Mnode; Expr : Iir_Slice_Name; Data : out Slice_Name_Data) is -- Type of the prefix. Prefix_Type : Iir; @@ -12599,9 +12692,6 @@ package body Translation is -- Suffix of the slice (discrete range). Expr_Range : Iir; - -- Object kind of the prefix. - Kind : Object_Kind_Type; - -- Variable pointing to the prefix. Prefix_Var : Mnode; @@ -12612,9 +12702,6 @@ package body Translation is Slice_Range : Mnode; Prefix_Range : Mnode; - Res_L : O_Lnode; - Res_D : O_Dnode; - Diff : O_Dnode; Unsigned_Diff : O_Dnode; If_Blk1 : O_If_Block; @@ -12626,8 +12713,6 @@ package body Translation is Index_Type := Get_Nth_Element (Get_Index_Subtype_List (Prefix_Type), 0); - Kind := Get_Object_Kind (Prefix); - -- Evaluate slice bounds. Chap3.Create_Array_Subtype (Slice_Type, True); @@ -12637,6 +12722,9 @@ package body Translation is if Slice_Info.Type_Mode = Type_Mode_Array and then Prefix_Info.Type_Mode = Type_Mode_Array then + Data.Is_Off := True; + Data.Prefix_Var := Prefix; + -- Both prefix and result are constrained array. declare Prefix_Left, Slice_Left : Iir_Int64; @@ -12655,7 +12743,8 @@ package body Translation is Slice_Length := Eval_Discrete_Range_Length (Slice_Range); if Slice_Length = 0 then -- Null slice. - return Prefix; + Data.Off := 0; + return; end if; if Get_Direction (Index_Range) /= Get_Direction (Slice_Range) then @@ -12681,17 +12770,14 @@ package body Translation is raise Internal_Error; end if; end if; - return Lv2M - (New_Slice (M2Lv (Prefix), - Slice_Info.Ortho_Type (Kind), - New_Lit (New_Unsigned_Literal - (Ghdl_Index_Type, - Unsigned_64 (Off)))), - Slice_Info, - Kind); + Data.Off := Unsigned_64 (Off); + + return; end; end if; + Data.Is_Off := False; + Slice_Binfo := Get_Info (Get_Base_Type (Slice_Type)); -- Save prefix. @@ -12798,39 +12884,92 @@ package body Translation is Check_Bound_Error (New_Dyadic_Op (ON_Or, Err_1, Err_2), Expr, 1); end; - -- Create the result (fat array) and assign the bounds field. - case Slice_Info.Type_Mode is - when Type_Mode_Fat_Array => - Res_D := Create_Temp (Slice_Info.Ortho_Type (Kind)); - New_Assign_Stmt - (New_Selected_Element (New_Obj (Res_D), - Slice_Info.T.Bounds_Field (Kind)), - New_Value (M2Lp (Slice_Range))); - New_Assign_Stmt - (New_Selected_Element (New_Obj (Res_D), - Slice_Info.T.Base_Field (Kind)), - New_Address - (New_Slice (M2Lv (Chap3.Get_Array_Base (Prefix_Var)), - Slice_Info.T.Base_Type (Kind), - New_Obj_Value (Unsigned_Diff)), - Slice_Info.T.Base_Ptr_Type (Kind))); - return Dv2M (Res_D, Slice_Info, Kind); - when Type_Mode_Array - | Type_Mode_Ptr_Array => - Res_L := New_Slice - (M2Lv (Chap3.Get_Array_Base (Prefix_Var)), - Slice_Info.T.Base_Type (Kind), - New_Obj_Value (Unsigned_Diff)); - return Lv2M (Res_L, - True, - Slice_Info.T.Base_Type (Kind), - Slice_Info.T.Base_Ptr_Type (Kind), - Slice_Info, Kind); - when others => - raise Internal_Error; - end case; + Data.Slice_Range := Slice_Range; + Data.Prefix_Var := Prefix_Var; + Data.Unsigned_Diff := Unsigned_Diff; + Data.Is_Off := False; + end Translate_Slice_Name_Init; + + function Translate_Slice_Name_Finish + (Prefix : Mnode; Expr : Iir_Slice_Name; Data : Slice_Name_Data) + return Mnode + is + -- Type of the prefix. + Prefix_Type : Iir; + + -- Type info of the prefix. + Prefix_Info : Type_Info_Acc; - --Finish_If_Stmt (If_Blk); + -- Type of the slice. + Slice_Type : Iir; + Slice_Info : Type_Info_Acc; + + -- Object kind of the prefix. + Kind : Object_Kind_Type; + + Res_L : O_Lnode; + Res_D : O_Dnode; + begin + -- Evaluate the prefix. + Slice_Type := Get_Type (Expr); + Prefix_Type := Get_Type (Get_Prefix (Expr)); + + Kind := Get_Object_Kind (Prefix); + + Prefix_Info := Get_Info (Prefix_Type); + Slice_Info := Get_Info (Slice_Type); + + if Data.Is_Off then + return Lv2M + (New_Slice (M2Lv (Prefix), + Slice_Info.Ortho_Type (Kind), + New_Lit (New_Unsigned_Literal + (Ghdl_Index_Type, Data.Off))), + Slice_Info, + Kind); + else + -- Create the result (fat array) and assign the bounds field. + case Slice_Info.Type_Mode is + when Type_Mode_Fat_Array => + Res_D := Create_Temp (Slice_Info.Ortho_Type (Kind)); + New_Assign_Stmt + (New_Selected_Element (New_Obj (Res_D), + Slice_Info.T.Bounds_Field (Kind)), + New_Value (M2Lp (Data.Slice_Range))); + New_Assign_Stmt + (New_Selected_Element (New_Obj (Res_D), + Slice_Info.T.Base_Field (Kind)), + New_Address + (New_Slice (M2Lv (Chap3.Get_Array_Base (Prefix)), + Slice_Info.T.Base_Type (Kind), + New_Obj_Value (Data.Unsigned_Diff)), + Slice_Info.T.Base_Ptr_Type (Kind))); + return Dv2M (Res_D, Slice_Info, Kind); + when Type_Mode_Array + | Type_Mode_Ptr_Array => + Res_L := New_Slice + (M2Lv (Chap3.Get_Array_Base (Prefix)), + Slice_Info.T.Base_Type (Kind), + New_Obj_Value (Data.Unsigned_Diff)); + return Lv2M (Res_L, + True, + Slice_Info.T.Base_Type (Kind), + Slice_Info.T.Base_Ptr_Type (Kind), + Slice_Info, Kind); + when others => + raise Internal_Error; + end case; + end if; + end Translate_Slice_Name_Finish; + + function Translate_Slice_Name + (Prefix : Mnode; Expr : Iir_Slice_Name) + return Mnode + is + Data : Slice_Name_Data; + begin + Translate_Slice_Name_Init (Prefix, Expr, Data); + return Translate_Slice_Name_Finish (Data.Prefix_Var, Expr, Data); end Translate_Slice_Name; function Translate_Interface_Name @@ -13079,6 +13218,66 @@ package body Translation is Error_Kind ("translate_name", Name); end case; end Translate_Name; + + procedure Translate_Direct_Driver + (Name : Iir; Sig : out Mnode; Drv : out Mnode) + is + Name_Type : Iir; + Name_Info : Ortho_Info_Acc; + Type_Info : Type_Info_Acc; + begin + Name_Type := Get_Type (Name); + Name_Info := Get_Info (Name); + Type_Info := Get_Info (Name_Type); + case Get_Kind (Name) is + when Iir_Kind_Signal_Declaration + | Iir_Kind_Signal_Interface_Declaration => + Sig := Get_Var (Name_Info.Object_Var, Type_Info, Mode_Signal); + Drv := Get_Var (Name_Info.Object_Driver, Type_Info, Mode_Value); + when Iir_Kind_Simple_Name + | Iir_Kind_Selected_Name => + Translate_Direct_Driver (Get_Named_Entity (Name), Sig, Drv); + when Iir_Kind_Slice_Name => + declare + Data : Slice_Name_Data; + Pfx_Sig : Mnode; + Pfx_Drv : Mnode; + begin + Translate_Direct_Driver + (Get_Prefix (Name), Pfx_Sig, Pfx_Drv); + Translate_Slice_Name_Init (Pfx_Sig, Name, Data); + Sig := Translate_Slice_Name_Finish + (Data.Prefix_Var, Name, Data); + Drv := Translate_Slice_Name_Finish (Pfx_Drv, Name, Data); + end; + when Iir_Kind_Indexed_Name => + declare + Data : Indexed_Name_Data; + Pfx_Sig : Mnode; + Pfx_Drv : Mnode; + begin + Translate_Direct_Driver + (Get_Prefix (Name), Pfx_Sig, Pfx_Drv); + Data := Translate_Indexed_Name_Init (Pfx_Sig, Name); + Sig := Data.Res; + Drv := Translate_Indexed_Name_Finish (Pfx_Drv, Name, Data); + end; + when Iir_Kind_Selected_Element => + declare + El : Iir; + Pfx_Sig : Mnode; + Pfx_Drv : Mnode; + begin + Translate_Direct_Driver + (Get_Prefix (Name), Pfx_Sig, Pfx_Drv); + El := Get_Selected_Element (Name); + Sig := Translate_Selected_Element (Pfx_Sig, El); + Drv := Translate_Selected_Element (Pfx_Drv, El); + end; + when others => + Error_Kind ("translate_direct_driver", Name); + end case; + end Translate_Direct_Driver; end Chap6; package body Chap7 is @@ -15647,7 +15846,7 @@ package body Translation is begin New_Assign_Stmt (Chap14.Get_Signal_Value_Field (M2E (Targ), Targ_Type, - Ghdl_Signal_Driving_Value_Node), + Ghdl_Signal_Driving_Value_Field), M2E (Data)); end Translate_Signal_Assign_Driving_Non_Composite; @@ -15750,7 +15949,7 @@ package body Translation is return O_Enode is begin return New_Value (Chap14.Get_Signal_Value_Field - (Sig, Sig_Type, Ghdl_Signal_Driving_Value_Node)); + (Sig, Sig_Type, Ghdl_Signal_Driving_Value_Field)); end Read_Signal_Driving_Value; function Translate_Signal_Driving_Value_1 is new Translate_Signal_Value @@ -16097,10 +16296,10 @@ package body Translation is when Iir_Kind_Last_Event_Attribute => return Chap14.Translate_Last_Time_Attribute - (Get_Prefix (Expr), Ghdl_Signal_Last_Event_Node); + (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_Node); + (Get_Prefix (Expr), Ghdl_Signal_Last_Active_Field); when Iir_Kind_Driving_Value_Attribute => Res := Chap14.Translate_Driving_Value_Attribute (Expr); @@ -19702,34 +19901,6 @@ package body Translation is end if; end Gen_Simple_Signal_Assign_Non_Composite; --- procedure Gen_Simple_Signal_Prepare_Data_Composite (Val : O_Enode; --- Targ_Type : Iir) is --- begin --- null; --- end Gen_Simple_Signal_Prepare_Data_Composite; - --- function Gen_Simple_Signal_Update_Data_Array (Val : O_Enode; --- Targ_Type : Iir; --- Index : O_Lnode) --- return O_Enode --- is --- Base : O_Lnode; --- begin --- Base := Chap3.Get_Array_Base --- (New_Access_Element (Val), Targ_Type, Mode_Value); --- return New_Value (New_Indexed_Element (Base, New_Value (Index))); --- end Gen_Simple_Signal_Update_Data_Array; - --- function Gen_Simple_Signal_Update_Data_Record --- (Val : O_Enode; Targ_Type : Iir; El : Iir_Element_Declaration) --- return O_Enode --- is --- begin --- return New_Value (New_Selected_Element --- (New_Access_Element (Val), --- Get_Info (El).Field_Node (Mode_Value))); --- end Gen_Simple_Signal_Update_Data_Record; - procedure Gen_Simple_Signal_Assign is new Foreach_Non_Composite (Data_Type => O_Enode, Composite_Data_Type => Mnode, @@ -20120,6 +20291,152 @@ package body Translation is end if; end Translate_Signal_Target_Aggr; + type Signal_Direct_Assign_Data is record + Drv : Mnode; + Expr : Mnode; + end record; + + procedure Gen_Signal_Direct_Assign_Non_Composite + (Targ : Mnode; Targ_Type : Iir; Data : Signal_Direct_Assign_Data) + is + Targ_Sig : Mnode; + If_Blk : O_If_Block; + Cond : O_Dnode; + Drv : Mnode; + begin + Open_Temp; + Targ_Sig := Stabilize (Targ, True); + Cond := Create_Temp (Ghdl_Bool_Type); + Drv := Stabilize (Data.Drv, False); + + -- Set driver. + Chap7.Translate_Assign + (Drv, M2E (Data.Expr), Null_Iir, Targ_Type); + + -- Test if the signal is active. + Start_If_Stmt + (If_Blk, + New_Value (Chap14.Get_Signal_Field + (Targ_Sig, Ghdl_Signal_Has_Active_Field))); + -- Either because has_active is true. + New_Assign_Stmt (New_Obj (Cond), + New_Lit (Ghdl_Bool_True_Node)); + New_Else_Stmt (If_Blk); + -- Or because the value. is different from the current value. + New_Assign_Stmt + (New_Obj (Cond), + New_Compare_Op (ON_Neq, + New_Value (New_Access_Element (M2E (Targ_Sig))), + M2E (Drv), + Ghdl_Bool_Type)); + Finish_If_Stmt (If_Blk); + + -- Put signal into active list. + Start_If_Stmt + (If_Blk, + New_Dyadic_Op + (ON_And, + New_Obj_Value (Cond), + New_Compare_Op + (ON_Eq, + New_Value (Chap14.Get_Signal_Field + (Targ_Sig, Ghdl_Signal_Active_Chain_Field)), + New_Lit (New_Null_Access (Ghdl_Signal_Ptr)), + Ghdl_Bool_Type))); + New_Assign_Stmt + (Chap14.Get_Signal_Field (Targ_Sig, Ghdl_Signal_Active_Chain_Field), + New_Obj_Value (Ghdl_Signal_Active_Chain)); + New_Assign_Stmt + (New_Obj (Ghdl_Signal_Active_Chain), + New_Convert_Ov (New_Value (M2Lv (Targ_Sig)), + Ghdl_Signal_Ptr)); + Finish_If_Stmt (If_Blk); + Close_Temp; + end Gen_Signal_Direct_Assign_Non_Composite; + + function Gen_Signal_Direct_Prepare_Data_Composite + (Targ : Mnode; Targ_Type : Iir; Val : Signal_Direct_Assign_Data) + return Signal_Direct_Assign_Data + is + pragma Unreferenced (Targ, Targ_Type); + begin + return Val; + end Gen_Signal_Direct_Prepare_Data_Composite; + + function Gen_Signal_Direct_Prepare_Data_Record + (Targ : Mnode; Targ_Type : Iir; Val : Signal_Direct_Assign_Data) + return Signal_Direct_Assign_Data + is + pragma Unreferenced (Targ, Targ_Type); + begin + return Signal_Direct_Assign_Data' + (Drv => Stabilize (Val.Drv), + Expr => Stabilize (Val.Expr)); + end Gen_Signal_Direct_Prepare_Data_Record; + + function Gen_Signal_Direct_Update_Data_Array + (Val : Signal_Direct_Assign_Data; + Targ_Type : Iir; + Index : O_Dnode) + return Signal_Direct_Assign_Data + is + begin + return Signal_Direct_Assign_Data' + (Drv => Chap3.Index_Base (Chap3.Get_Array_Base (Val.Drv), + Targ_Type, New_Obj_Value (Index)), + Expr => Chap3.Index_Base (Chap3.Get_Array_Base (Val.Expr), + Targ_Type, New_Obj_Value (Index))); + end Gen_Signal_Direct_Update_Data_Array; + + function Gen_Signal_Direct_Update_Data_Record + (Val : Signal_Direct_Assign_Data; + Targ_Type : Iir; + El : Iir_Element_Declaration) + return Signal_Direct_Assign_Data + is + pragma Unreferenced (Targ_Type); + begin + return Signal_Direct_Assign_Data' + (Drv => Chap6.Translate_Selected_Element (Val.Drv, El), + Expr => Chap6.Translate_Selected_Element (Val.Expr, El)); + end Gen_Signal_Direct_Update_Data_Record; + + procedure Gen_Signal_Direct_Finish_Data_Composite + (Data : in out Signal_Direct_Assign_Data) + is + pragma Unreferenced (Data); + begin + null; + end Gen_Signal_Direct_Finish_Data_Composite; + + procedure Gen_Signal_Direct_Assign is new Foreach_Non_Composite + (Data_Type => Signal_Direct_Assign_Data, + Composite_Data_Type => Signal_Direct_Assign_Data, + Do_Non_Composite => Gen_Signal_Direct_Assign_Non_Composite, + Prepare_Data_Array => Gen_Signal_Direct_Prepare_Data_Composite, + Update_Data_Array => Gen_Signal_Direct_Update_Data_Array, + Finish_Data_Array => Gen_Signal_Direct_Finish_Data_Composite, + Prepare_Data_Record => Gen_Signal_Direct_Prepare_Data_Record, + Update_Data_Record => Gen_Signal_Direct_Update_Data_Record, + Finish_Data_Record => Gen_Signal_Direct_Finish_Data_Composite); + + procedure Translate_Direct_Signal_Assignment (Stmt : Iir; We : Iir) + is + Target : Iir; + Target_Type : Iir; + Arg : Signal_Direct_Assign_Data; + Targ_Sig : Mnode; + begin + Target := Get_Target (Stmt); + Target_Type := Get_Type (Target); + Chap6.Translate_Direct_Driver (Target, Targ_Sig, Arg.Drv); + + Arg.Expr := E2M (Chap7.Translate_Expression (We, Target_Type), + Get_Info (Target_Type), Mode_Value); + Gen_Signal_Direct_Assign (Targ_Sig, Target_Type, Arg); + return; + end Translate_Direct_Signal_Assignment; + procedure Translate_Signal_Assignment_Statement (Stmt : Iir) is Target : Iir; @@ -20128,22 +20445,44 @@ package body Translation is Targ : Mnode; Val : O_Enode; Value : Iir; + Is_Simple : Boolean; begin Target := Get_Target (Stmt); Target_Type := Get_Type (Target); + We := Get_Waveform_Chain (Stmt); + + if We /= Null_Iir + and then Get_Chain (We) = Null_Iir + and then Get_Time (We) = Null_Iir + and then Get_Delay_Mechanism (Stmt) = Iir_Inertial_Delay + and then Get_Reject_Time_Expression (Stmt) = Null_Iir + then + -- Simple signal assignment ? + Value := Get_We_Value (We); + Is_Simple := Get_Kind (Value) /= Iir_Kind_Null_Literal; + else + Is_Simple := False; + end if; + if Get_Kind (Target) = Iir_Kind_Aggregate then Chap3.Translate_Anonymous_Type_Definition (Target_Type, True); Targ := Create_Temp (Get_Info (Target_Type), Mode_Signal); Chap4.Allocate_Complex_Object (Target_Type, Alloc_Stack, Targ); Translate_Signal_Target_Aggr (Targ, Target, Target_Type); else + if Is_Simple + and then Flag_Direct_Drivers + and then Chap4.Has_Direct_Driver (Target) + then + Translate_Direct_Signal_Assignment (Stmt, Value); + return; + end if; Targ := Chap6.Translate_Name (Target); if Get_Object_Kind (Targ) /= Mode_Signal then raise Internal_Error; end if; end if; - We := Get_Waveform_Chain (Stmt); if We = Null_Iir then -- Implicit disconnect statment. Register_Signal (Targ, Target_Type, Ghdl_Signal_Disconnect); @@ -20356,6 +20695,56 @@ package body Translation is end Chap8; package body Chap9 is + procedure Set_Direct_Drivers (Proc : Iir) + is + Proc_Info : Proc_Info_Acc := Get_Info (Proc); + Drivers : Direct_Drivers_Acc := Proc_Info.Process_Drivers; + Info : Ortho_Info_Acc; + Var : Var_Acc; + Sig : Iir; + begin + for I in Drivers.all'Range loop + Var := Drivers (I).Var; + Sig := Get_Base_Name (Drivers (I).Sig); + if Var /= null then + Info := Get_Info (Sig); + case Info.Kind is + when Kind_Object => + Info.Object_Driver := Var; + when Kind_Alias => + null; + when others => + raise Internal_Error; + end case; + end if; + end loop; + end Set_Direct_Drivers; + + procedure Reset_Direct_Drivers (Proc : Iir) + is + Proc_Info : Proc_Info_Acc := Get_Info (Proc); + Drivers : Direct_Drivers_Acc := Proc_Info.Process_Drivers; + Info : Ortho_Info_Acc; + Var : Var_Acc; + Sig : Iir; + begin + for I in Drivers.all'Range loop + Var := Drivers (I).Var; + Sig := Get_Base_Name (Drivers (I).Sig); + if Var /= null then + Info := Get_Info (Sig); + case Info.Kind is + when Kind_Object => + Info.Object_Driver := null; + when Kind_Alias => + null; + when others => + raise Internal_Error; + end case; + end if; + end loop; + end Reset_Direct_Drivers; + procedure Translate_Process_Statement (Proc : Iir; Base : Block_Info_Acc) is Inter_List : O_Inter_List; @@ -20373,8 +20762,10 @@ package body Translation is Push_Local_Factory; -- Push scope for architecture declarations. Push_Scope (Base.Block_Decls_Type, Instance); + Chap8.Translate_Statements_Chain (Get_Sequential_Statement_Chain (Proc)); + Pop_Scope (Base.Block_Decls_Type); Pop_Local_Factory; Finish_Subprogram_Body; @@ -20435,6 +20826,62 @@ package body Translation is end if; end Translate_Component_Instantiation_Statement; + procedure Translate_Process_Declarations (Proc : Iir) + is + Mark : Id_Mark_Type; + Info : Ortho_Info_Acc; + Itype : O_Tnode; + Field : O_Fnode; + + Drivers : Iir_List; + Nbr_Drivers : Natural; + Sig : Iir; + begin + -- Create process record. + Push_Identifier_Prefix (Mark, Get_Identifier (Proc)); + Push_Instance_Factory (O_Tnode_Null); + Info := Add_Info (Proc, Kind_Process); + Chap4.Translate_Declaration_Chain (Proc); + + if Flag_Direct_Drivers then + Drivers := Trans_Analyzes.Extract_Drivers (Proc); + if Flag_Dump_Drivers then + Trans_Analyzes.Dump_Drivers (Proc, Drivers); + end if; + + Nbr_Drivers := Get_Nbr_Elements (Drivers); + Info.Process_Drivers := new Direct_Driver_Arr (1 .. Nbr_Drivers); + for I in 1 .. Nbr_Drivers loop + Sig := Get_Nth_Element (Drivers, I - 1); + Info.Process_Drivers (I) := (Sig => Sig, Var => null); + Sig := Get_Base_Name (Sig); + if Get_Kind (Sig) /= Iir_Kind_Object_Alias_Declaration + and then not Get_After_Drivers_Flag (Sig) + then + Info.Process_Drivers (I).Var := + Create_Var (Create_Var_Identifier (Sig, "_DDRV", I), + Chap4.Get_Object_Type + (Get_Info (Get_Type (Sig)), Mode_Value)); + + -- Do not create driver severals times. + Set_After_Drivers_Flag (Sig, True); + end if; + end loop; + Trans_Analyzes.Free_Drivers_List (Drivers); + end if; + Pop_Instance_Factory (Itype); + New_Type_Decl (Create_Identifier ("INSTTYPE"), Itype); + Pop_Identifier_Prefix (Mark); + + -- Create a field in the parent record. + Field := Add_Instance_Factory_Field + (Create_Identifier_Without_Prefix (Proc), Itype); + + -- Set info in child record. + Info.Process_Decls_Type := Itype; + Info.Process_Parent_Field := Field; + end Translate_Process_Declarations; + -- Create the instance for block BLOCK. -- BLOCK can be either an entity, an architecture or a block statement. procedure Translate_Block_Declarations (Block : Iir; Origin : Iir) @@ -20448,27 +20895,7 @@ package body Translation is case Get_Kind (El) is when Iir_Kind_Process_Statement | Iir_Kind_Sensitized_Process_Statement => - declare - Mark : Id_Mark_Type; - Info : Ortho_Info_Acc; - Itype : O_Tnode; - Field : O_Fnode; - begin - Push_Identifier_Prefix (Mark, Get_Identifier (El)); - -- Start child record. - Push_Instance_Factory (O_Tnode_Null); - Info := Add_Info (El, Kind_Process); - Chap4.Translate_Declaration_Chain (El); - Pop_Instance_Factory (Itype); - New_Type_Decl (Create_Identifier ("INSTTYPE"), Itype); - Pop_Identifier_Prefix (Mark); - -- Create a field in the parent record. - Field := Add_Instance_Factory_Field - (Create_Identifier_Without_Prefix (El), Itype); - -- Set info in child record. - Info.Process_Decls_Type := Itype; - Info.Process_Parent_Field := Field; - end; + Translate_Process_Declarations (El); when Iir_Kind_Component_Instantiation_Statement => Translate_Component_Instantiation_Statement (El); when Iir_Kind_Block_Statement => @@ -20668,9 +21095,17 @@ package body Translation is Push_Scope (Info.Process_Decls_Type, Info.Process_Parent_Field, Block_Info.Block_Decls_Type); + if Flag_Direct_Drivers then + Chap9.Set_Direct_Drivers (Stmt); + end if; + Chap4.Translate_Declaration_Chain_Subprograms (Stmt, Base_Block); Translate_Process_Statement (Stmt, Base_Info); + + if Flag_Direct_Drivers then + Chap9.Reset_Direct_Drivers (Stmt); + end if; Pop_Scope (Info.Process_Decls_Type); end; when Iir_Kind_Component_Instantiation_Statement => @@ -20736,54 +21171,149 @@ package body Translation is -- If the type is referenced again, the variables must be reachable. -- This is not the case for elaborator subprogram (which may references -- slices in the sensitivity or driver list) and the process subprg. - procedure Destroy_Types_In_List (List : Iir_List) + procedure Destroy_Types_In_Name (Name : Iir) is El : Iir; Atype : Iir; Info : Type_Info_Acc; begin + El := Name; + loop + Atype := Null_Iir; + case Get_Kind (El) is + when Iir_Kind_Selected_Element + | Iir_Kind_Indexed_Name => + El := Get_Prefix (El); + when Iir_Kind_Slice_Name => + Atype := Get_Type (El); + El := Get_Prefix (El); + when Iir_Kind_Object_Alias_Declaration => + El := Get_Name (El); + when Iir_Kind_Stable_Attribute + | Iir_Kind_Quiet_Attribute + | Iir_Kind_Delayed_Attribute + | Iir_Kind_Transaction_Attribute => + El := Get_Prefix (El); + when Iir_Kind_Signal_Declaration + | Iir_Kind_Signal_Interface_Declaration + | Iir_Kind_Guard_Signal_Declaration => + exit; + when others => + Error_Kind ("destroy_types_in_name", El); + end case; + if Atype /= Null_Iir + and then Is_Anonymous_Type_Definition (Atype) + then + Info := Get_Info (Atype); + if Info /= null then + Free_Type_Info (Info, False); + Clear_Info (Atype); + end if; + end if; + end loop; + end Destroy_Types_In_Name; + + procedure Destroy_Types_In_List (List : Iir_List) + is + El : Iir; + begin if List = Null_Iir_List then return; end if; for I in Natural loop El := Get_Nth_Element (List, I); exit when El = Null_Iir; - loop - Atype := Null_Iir; - case Get_Kind (El) is - when Iir_Kind_Selected_Element - | Iir_Kind_Indexed_Name => - El := Get_Prefix (El); - when Iir_Kind_Slice_Name => - Atype := Get_Type (El); - El := Get_Prefix (El); - when Iir_Kind_Object_Alias_Declaration => - El := Get_Name (El); - when Iir_Kind_Stable_Attribute - | Iir_Kind_Quiet_Attribute - | Iir_Kind_Delayed_Attribute - | Iir_Kind_Transaction_Attribute => - El := Get_Prefix (El); - when Iir_Kind_Signal_Declaration - | Iir_Kind_Signal_Interface_Declaration - | Iir_Kind_Guard_Signal_Declaration => - exit; - when others => - Error_Kind ("destroy_types_in_list", El); - end case; - if Atype /= Null_Iir - and then Is_Anonymous_Type_Definition (Atype) - then - Info := Get_Info (Atype); - if Info /= null then - Free_Type_Info (Info, False); - Clear_Info (Atype); - end if; - end if; - end loop; + Destroy_Types_In_Name (El); end loop; end Destroy_Types_In_List; + procedure Gen_Register_Direct_Driver_Non_Composite + (Targ : Mnode; Targ_Type : Iir; Drv : Mnode) + is + pragma Unreferenced (Targ_Type); + Constr : O_Assoc_List; + begin + Start_Association (Constr, Ghdl_Signal_Direct_Driver); + New_Association + (Constr, New_Convert_Ov (New_Value (M2Lv (Targ)), Ghdl_Signal_Ptr)); + New_Association + (Constr, New_Unchecked_Address (M2Lv (Drv), Ghdl_Ptr_Type)); + New_Procedure_Call (Constr); + end Gen_Register_Direct_Driver_Non_Composite; + + function Gen_Register_Direct_Driver_Prepare_Data_Composite + (Targ : Mnode; Targ_Type : Iir; Val : Mnode) + return Mnode + is + pragma Unreferenced (Targ, Targ_Type); + begin + return Val; + end Gen_Register_Direct_Driver_Prepare_Data_Composite; + + function Gen_Register_Direct_Driver_Prepare_Data_Record + (Targ : Mnode; Targ_Type : Iir; Val : Mnode) + return Mnode + is + pragma Unreferenced (Targ, Targ_Type); + begin + return Stabilize (Val); + end Gen_Register_Direct_Driver_Prepare_Data_Record; + + function Gen_Register_Direct_Driver_Update_Data_Array + (Val : Mnode; Targ_Type : Iir; Index : O_Dnode) + return Mnode + is + begin + return Chap3.Index_Base (Chap3.Get_Array_Base (Val), + Targ_Type, New_Obj_Value (Index)); + end Gen_Register_Direct_Driver_Update_Data_Array; + + function Gen_Register_Direct_Driver_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 Gen_Register_Direct_Driver_Update_Data_Record; + + procedure Gen_Register_Direct_Driver_Finish_Data_Composite + (Data : in out Mnode) + is + pragma Unreferenced (Data); + begin + null; + end Gen_Register_Direct_Driver_Finish_Data_Composite; + + procedure Gen_Register_Direct_Driver is new Foreach_Non_Composite + (Data_Type => Mnode, + Composite_Data_Type => Mnode, + Do_Non_Composite => Gen_Register_Direct_Driver_Non_Composite, + Prepare_Data_Array => + Gen_Register_Direct_Driver_Prepare_Data_Composite, + Update_Data_Array => Gen_Register_Direct_Driver_Update_Data_Array, + Finish_Data_Array => Gen_Register_Direct_Driver_Finish_Data_Composite, + Prepare_Data_Record => Gen_Register_Direct_Driver_Prepare_Data_Record, + Update_Data_Record => Gen_Register_Direct_Driver_Update_Data_Record, + Finish_Data_Record => + Gen_Register_Direct_Driver_Finish_Data_Composite); + +-- procedure Register_Scalar_Direct_Driver (Sig : Mnode; +-- Sig_Type : Iir; +-- Drv : Mnode) +-- is +-- pragma Unreferenced (Sig_Type); +-- Constr : O_Assoc_List; +-- begin +-- Start_Association (Constr, Ghdl_Signal_Direct_Driver); +-- New_Association +-- (Constr, New_Convert_Ov (New_Value (M2Lv (Sig)), Ghdl_Signal_Ptr)); +-- New_Association +-- (Constr, New_Unchecked_Address (M2Lv (Drv), Ghdl_Ptr_Type)); +-- New_Procedure_Call (Constr); +-- end Register_Scalar_Direct_Driver; + + -- PROC: the process to be elaborated -- BLOCK_INFO: info for the block containing the process -- BASE_INFO: info for the global block @@ -20845,9 +21375,47 @@ package body Translation is -- an alias declaration. Chap4.Elab_Declaration_Chain (Proc, Final); - List := Get_Driver_List (Proc); - Destroy_Types_In_List (List); - Register_Signal_List (List, Ghdl_Process_Add_Driver); + -- Register drivers. + if Flag_Direct_Drivers then + Chap9.Set_Direct_Drivers (Proc); + + declare + Sig : Iir; + Base : Iir; + Sig_Node, Drv_Node : Mnode; + begin + for I in Info.Process_Drivers.all'Range loop + Sig := Info.Process_Drivers (I).Sig; + Open_Temp; + Base := Get_Base_Name (Sig); + if Info.Process_Drivers (I).Var /= null then + -- Elaborate direct driver. Done only once. + Chap4.Elab_Direct_Driver_Declaration_Storage (Base); + end if; + if Chap4.Has_Direct_Driver (Base) then + -- Signal has a direct driver. + Chap6.Translate_Direct_Driver (Sig, Sig_Node, Drv_Node); + Gen_Register_Direct_Driver + (Sig_Node, Get_Type (Sig), Drv_Node); + else + Register_Signal (Chap6.Translate_Name (Sig), + Get_Type (Sig), + Ghdl_Process_Add_Driver); + end if; + Close_Temp; + end loop; + end; + + Chap9.Reset_Direct_Drivers (Proc); + else + List := Trans_Analyzes.Extract_Drivers (Proc); + Destroy_Types_In_List (List); + Register_Signal_List (List, Ghdl_Process_Add_Driver); + if Flag_Dump_Drivers then + Trans_Analyzes.Dump_Drivers (Proc, List); + end if; + Trans_Analyzes.Free_Drivers_List (List); + end if; if Is_Sensitized then List := Get_Sensitivity_List (Proc); @@ -22349,22 +22917,49 @@ package body Translation is return Get_Identifier (Identifier_Buffer (1 .. Identifier_Len - 2)); end Create_Identifier; + function Create_Var_Identifier_From_Buffer (L : Natural) + return Var_Ident_Type + is + Start : Natural; + begin + if Is_Local_Scope then + Start := Identifier_Start; + else + Start := 1; + end if; + return (Id => Get_Identifier (Identifier_Buffer (Start .. L))); + end Create_Var_Identifier_From_Buffer; + function Create_Var_Identifier (Id : Iir) return Var_Ident_Type is - Res : Var_Ident_Type; + L : Natural := Identifier_Len; begin - Res.Id := Create_Id (Get_Identifier (Id), "", Is_Local_Scope); - return Res; + Add_Identifier (L, Get_Identifier (Id)); + return Create_Var_Identifier_From_Buffer (L); end Create_Var_Identifier; function Create_Var_Identifier (Id : String) return Var_Ident_Type is - Res : Var_Ident_Type; + L : Natural := Identifier_Len; begin - Res.Id := Create_Id (Null_Identifier, Id, Is_Local_Scope); - return Res; + Add_String (L, Id); + return Create_Var_Identifier_From_Buffer (L); + end Create_Var_Identifier; + + function Create_Var_Identifier (Id : Iir; Str : String; Val : Natural) + return Var_Ident_Type + is + L : Natural := Identifier_Len; + begin + Add_Identifier (L, Get_Identifier (Id)); + Add_String (L, Str); + if Val > 0 then + Add_String (L, "O"); + Add_Nat (L, Val); + end if; + return Create_Var_Identifier_From_Buffer (L); end Create_Var_Identifier; function Create_Uniq_Identifier return Var_Ident_Type @@ -22728,19 +23323,6 @@ package body Translation is end case; end Translate_Succ_Pred_Attribute; - -- Read the boolean attribute (active or event) FIELD of simple signal - -- SIG. - function Read_Bool_Signal_Attribute (Sig : O_Enode; Field : O_Fnode) - return O_Enode - is - S : O_Enode; - begin - S := New_Convert_Ov (Sig, Ghdl_Signal_Ptr); - return New_Value - (New_Selected_Element (New_Access_Element (S), Field)); - --Ghdl_Signal_Event_Node)); - end Read_Bool_Signal_Attribute; - type Bool_Sigattr_Data_Type is record Label : O_Snode; Field : O_Fnode; @@ -22752,8 +23334,7 @@ package body Translation is pragma Unreferenced (Targ_Type); begin Gen_Exit_When (Data.Label, - Read_Bool_Signal_Attribute (New_Value (M2Lv (Targ)), - Data.Field)); + New_Value (Get_Signal_Field (Targ, Data.Field))); end Bool_Sigattr_Non_Composite_Signal; function Bool_Sigattr_Prepare_Data_Composite @@ -22819,7 +23400,7 @@ package body Translation is if Get_Kind (Prefix_Type) in Iir_Kinds_Scalar_Type_Definition then -- Effecient handling for a scalar signal. Name := Chap6.Translate_Name (Prefix); - return Read_Bool_Signal_Attribute (New_Value (M2Lv (Name)), Field); + return New_Value (Get_Signal_Field (Name, Field)); else -- Element per element handling for composite signals. Res := Create_Temp (Std_Boolean_Type_Node); @@ -22839,13 +23420,14 @@ package body Translation is function Translate_Event_Attribute (Attr : Iir) return O_Enode is begin - return Translate_Bool_Signal_Attribute (Attr, Ghdl_Signal_Event_Node); + return Translate_Bool_Signal_Attribute + (Attr, Ghdl_Signal_Event_Field); end Translate_Event_Attribute; function Translate_Active_Attribute (Attr : Iir) return O_Enode is begin return Translate_Bool_Signal_Attribute - (Attr, Ghdl_Signal_Active_Node); + (Attr, Ghdl_Signal_Active_Field); end Translate_Active_Attribute; -- Read signal value FIELD of signal SIG. @@ -22862,11 +23444,20 @@ package body Translation is (New_Unchecked_Address (New_Selected_Element (T, Field), S_Type)); end Get_Signal_Value_Field; + function Get_Signal_Field (Sig : Mnode; Field : O_Fnode) + return O_Lnode + is + S : O_Enode; + begin + S := New_Convert_Ov (New_Value (M2Lv (Sig)), Ghdl_Signal_Ptr); + return New_Selected_Element (New_Access_Element (S), Field); + end Get_Signal_Field; + function Read_Last_Value (Sig : O_Enode; Sig_Type : Iir) return O_Enode is begin return New_Value (Get_Signal_Value_Field - (Sig, Sig_Type, Ghdl_Signal_Last_Value_Node)); + (Sig, Sig_Type, Ghdl_Signal_Last_Value_Field)); end Read_Last_Value; function Translate_Last_Value is new Chap7.Translate_Signal_Value @@ -27031,39 +27622,53 @@ package body Translation is (Chararray_Type, New_Unsigned_Literal (Ghdl_Index_Type, 8)); New_Type_Decl (Get_Identifier ("__ghdl_scalar_bytes"), Ghdl_Scalar_Bytes); + + Ghdl_Signal_Ptr := New_Access_Type (O_Tnode_Null); + New_Type_Decl (Get_Identifier ("__ghdl_signal_ptr"), Ghdl_Signal_Ptr); + -- Type __signal_signal is record Start_Record_Type (Rec); - New_Record_Field (Rec, Ghdl_Signal_Value_Node, + New_Record_Field (Rec, Ghdl_Signal_Value_Field, Get_Identifier ("value"), Ghdl_Scalar_Bytes); - New_Record_Field (Rec, Ghdl_Signal_Driving_Value_Node, + New_Record_Field (Rec, Ghdl_Signal_Driving_Value_Field, Get_Identifier ("driving_value"), Ghdl_Scalar_Bytes); - New_Record_Field (Rec, Ghdl_Signal_Last_Value_Node, + New_Record_Field (Rec, Ghdl_Signal_Last_Value_Field, Get_Identifier ("last_value"), Ghdl_Scalar_Bytes); - New_Record_Field (Rec, Ghdl_Signal_Last_Event_Node, + New_Record_Field (Rec, Ghdl_Signal_Last_Event_Field, Get_Identifier ("last_event"), Time_Otype); - New_Record_Field (Rec, Ghdl_Signal_Last_Active_Node, + New_Record_Field (Rec, Ghdl_Signal_Last_Active_Field, Get_Identifier ("last_active"), Time_Otype); - New_Record_Field (Rec, Ghdl_Signal_Event_Node, + New_Record_Field (Rec, Ghdl_Signal_Active_Chain_Field, + Get_Identifier ("active_chain"), + Ghdl_Signal_Ptr); + New_Record_Field (Rec, Ghdl_Signal_Event_Field, Get_Identifier ("event"), Std_Boolean_Type_Node); - New_Record_Field (Rec, Ghdl_Signal_Active_Node, + New_Record_Field (Rec, Ghdl_Signal_Active_Field, Get_Identifier ("active"), Std_Boolean_Type_Node); + New_Record_Field (Rec, Ghdl_Signal_Has_Active_Field, + Get_Identifier ("has_active"), + Ghdl_Bool_Type); Finish_Record_Type (Rec, Ghdl_Signal_Type); New_Type_Decl (Get_Identifier ("__ghdl_signal"), Ghdl_Signal_Type); - Ghdl_Signal_Ptr := New_Access_Type (Ghdl_Signal_Type); - New_Type_Decl (Get_Identifier ("__ghdl_signal_ptr"), Ghdl_Signal_Ptr); + Finish_Access_Type (Ghdl_Signal_Ptr, Ghdl_Signal_Type); Ghdl_Signal_Ptr_Ptr := New_Access_Type (Ghdl_Signal_Ptr); New_Type_Decl (Get_Identifier ("__ghdl_signal_ptr_ptr"), Ghdl_Signal_Ptr_Ptr); + New_Var_Decl (Ghdl_Signal_Active_Chain, + Get_Identifier ("__ghdl_signal_active_chain"), + O_Storage_External, + Ghdl_Signal_Ptr); + -- procedure __ghdl_signal_merge_rti -- (sig : ghdl_signal_ptr; rti : ghdl_rti_access) Start_Procedure_Decl @@ -27305,6 +27910,17 @@ package body Translation is New_Interface_Decl (Interfaces, Param, Wki_Sig, Ghdl_Signal_Ptr); Finish_Subprogram_Decl (Interfaces, Ghdl_Process_Add_Driver); + -- procedure __ghdl_signal_direct_driver (sig : __ghdl_signal_ptr; + -- Drv : Ghdl_Ptr_type); + Start_Procedure_Decl + (Interfaces, Get_Identifier ("__ghdl_signal_direct_driver"), + O_Storage_External); + New_Interface_Decl + (Interfaces, Param, Wki_Sig, Ghdl_Signal_Ptr); + New_Interface_Decl + (Interfaces, Param, Get_Identifier ("drv"), Ghdl_Ptr_Type); + Finish_Subprogram_Decl (Interfaces, Ghdl_Signal_Direct_Driver); + declare procedure Create_Signal_Conversion (Name : String; Res : out O_Dnode) is diff --git a/translate/translation.ads b/translate/translation.ads index 55af06967..f88bef4f5 100644 --- a/translate/translation.ads +++ b/translate/translation.ads @@ -61,6 +61,21 @@ package Translation is -- If set, do not generate code for unused implicit subprograms. Flag_Discard_Unused_Implicit : Boolean := False; + -- If set, dump drivers per process during compilation. + Flag_Dump_Drivers : Boolean := False; + + -- If set, try to create direct drivers. + Flag_Direct_Drivers : Boolean := True; + + -- If set, checks ranges (subtype ranges). + Flag_Range_Checks : Boolean := True; + + -- If set, checks indexes (arrays index and slice). + Flag_Index_Checks : Boolean := True; + + -- If set, do not create identifiers (for in memory compilation). + Flag_Discard_Identifiers : Boolean := False; + type Foreign_Kind_Type is (Foreign_Unknown, Foreign_Vhpidirect, Foreign_Intrinsic); diff --git a/version.ads b/version.ads index aa4bb2046..9529f4f30 100644 --- a/version.ads +++ b/version.ads @@ -1,4 +1,5 @@ package Version is - Ghdl_Version : constant String := - "GHDL 0.25 (20060811) [Sokcho edition]"; + Ghdl_Release : constant String := + "GHDL 0.26dev (20060819) [Sokcho edition]"; + Ghdl_Ver : constant String := "0.26dev"; end Version; |