diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/synth/netlists-builders.adb | 133 | ||||
| -rw-r--r-- | src/synth/netlists-builders.ads | 26 | ||||
| -rw-r--r-- | src/synth/netlists-concats.adb | 2 | ||||
| -rw-r--r-- | src/synth/netlists-expands.adb | 1 | ||||
| -rw-r--r-- | src/synth/netlists-folds.adb | 159 | ||||
| -rw-r--r-- | src/synth/netlists-folds.ads | 48 | ||||
| -rw-r--r-- | src/synth/synth-decls.adb | 1 | ||||
| -rw-r--r-- | src/synth/synth-environment.adb | 1 | ||||
| -rw-r--r-- | src/synth/synth-expr.adb | 3 | ||||
| -rw-r--r-- | src/synth/synth-inference.adb | 1 | ||||
| -rw-r--r-- | src/synth/synth-oper.adb | 1 |
11 files changed, 216 insertions, 160 deletions
diff --git a/src/synth/netlists-builders.adb b/src/synth/netlists-builders.adb index b1f9eb826..d7bb2c117 100644 --- a/src/synth/netlists-builders.adb +++ b/src/synth/netlists-builders.adb @@ -21,7 +21,6 @@ with Types_Utils; use Types_Utils; with Name_Table; use Name_Table; with Std_Names; use Std_Names; -with Netlists.Locations; package body Netlists.Builders is function Create_Input (Id : String; W : Width := 0) return Port_Desc is @@ -831,69 +830,6 @@ package body Netlists.Builders is return Inst; end Build_Const_Log; - function Build2_Const_Uns (Ctxt : Context_Acc; Val : Uns64; W : Width) - return Net is - begin - if Val < 2**32 then - return Build_Const_UB32 (Ctxt, Uns32 (Val), W); - else - pragma Assert (W > 32); - declare - Inst : Instance; - begin - Inst := Build_Const_Bit (Ctxt, W); - Set_Param_Uns32 (Inst, 0, Uns32 (Val and 16#ffff_ffff#)); - Set_Param_Uns32 (Inst, 1, Uns32 (Shift_Right (Val, 32))); - for I in 2 .. (W + 31) / 32 loop - Set_Param_Uns32 (Inst, Param_Idx (I), 0); - end loop; - return Get_Output (Inst, 0); - end; - end if; - end Build2_Const_Uns; - - function Build2_Const_Vec (Ctxt : Context_Acc; W : Width; V : Uns32_Arr) - return Net is - begin - if W <= 32 then - return Build_Const_UB32 (Ctxt, V (V'First), W); - else - declare - Inst : Instance; - begin - Inst := Build_Const_Bit (Ctxt, W); - for I in V'Range loop - Set_Param_Uns32 (Inst, Param_Idx (I - V'First), V (I)); - end loop; - return Get_Output (Inst, 0); - end; - end if; - end Build2_Const_Vec; - - function Build2_Const_Int (Ctxt : Context_Acc; Val : Int64; W : Width) - return Net is - begin - if Val in -2**31 .. 2**31 - 1 then - return Build_Const_SB32 (Ctxt, Int32 (Val), W); - else - pragma Assert (W > 32); - declare - V : constant Uns64 := To_Uns64 (Val); - S : constant Uns32 := - Uns32 (Shift_Right_Arithmetic (V, 63) and 16#ffff_ffff#); - Inst : Instance; - begin - Inst := Build_Const_Bit (Ctxt, W); - Set_Param_Uns32 (Inst, 0, Uns32 (V and 16#ffff_ffff#)); - Set_Param_Uns32 (Inst, 1, Uns32 (Shift_Right (V, 32))); - for I in 2 .. (W + 31) / 32 loop - Set_Param_Uns32 (Inst, Param_Idx (I), S); - end loop; - return Get_Output (Inst, 0); - end; - end if; - end Build2_Const_Int; - function Build_Edge (Ctxt : Context_Acc; Src : Net) return Net is pragma Assert (Get_Width (Src) = 1); @@ -1012,42 +948,6 @@ package body Netlists.Builders is return O; end Build_Concatn; - function Build2_Concat (Ctxt : Context_Acc; Els : Net_Array) return Net - is - F : constant Int32 := Els'First; - Len : constant Natural := Els'Length; - Wd : Width; - Inst : Instance; - N : Net; - begin - case Len is - when 0 => - raise Internal_Error; - when 1 => - N := Els (F); - when 2 => - N := Build_Concat2 (Ctxt, Els (F + 1), Els (F)); - when 3 => - N := Build_Concat3 (Ctxt, Els (F + 2), Els (F + 1), Els (F)); - when 4 => - N := Build_Concat4 - (Ctxt, Els (F + 3), Els (F + 2), Els (F + 1), Els (F)); - when 5 .. Natural'Last => - -- Compute length. - Wd := 0; - for I in Els'Range loop - Wd := Wd + Get_Width (Els (I)); - end loop; - - N := Build_Concatn (Ctxt, Wd, Uns32 (Len)); - Inst := Get_Net_Parent (N); - for I in Els'Range loop - Connect (Get_Input (Inst, Port_Idx (Els'Last - I)), Els (I)); - end loop; - end case; - return N; - end Build2_Concat; - function Build_Trunc (Ctxt : Context_Acc; Id : Module_Id; I : Net; W : Width) return Net is @@ -1076,29 +976,6 @@ package body Netlists.Builders is return O; end Build_Extend; - function Build2_Uresize (Ctxt : Context_Acc; - I : Net; - W : Width; - Loc : Location_Type := No_Location) - return Net - is - Wn : constant Width := Get_Width (I); - Res : Net; - begin - if Wn = W then - return I; - else - if Wn > W then - Res := Build_Trunc (Ctxt, Id_Utrunc, I, W); - else - pragma Assert (Wn < W); - Res := Build_Extend (Ctxt, Id_Uextend, I, W); - end if; - Locations.Set_Location (Res, Loc); - return Res; - end if; - end Build2_Uresize; - function Build_Dyn_Insert (Ctxt : Context_Acc; I : Net; V : Net; P : Net; Off : Uns32) return Net is @@ -1410,16 +1287,6 @@ package body Netlists.Builders is return O; end Build_Extract; - function Build2_Extract - (Ctxt : Context_Acc; I : Net; Off, W : Width) return Net is - begin - if Off = 0 and then W = Get_Width (I) then - return I; - else - return Build_Extract (Ctxt, I, Off, W); - end if; - end Build2_Extract; - function Build_Dyn_Extract (Ctxt : Context_Acc; I : Net; P : Net; Off : Uns32; W : Width) return Net is diff --git a/src/synth/netlists-builders.ads b/src/synth/netlists-builders.ads index bff411e64..4a761738b 100644 --- a/src/synth/netlists-builders.ads +++ b/src/synth/netlists-builders.ads @@ -76,17 +76,6 @@ package Netlists.Builders is Val : Int32; W : Width) return Net; - -- Build a const from VAL. Result is either a Const_UB32 or a Const_Bit. - function Build2_Const_Uns (Ctxt : Context_Acc; Val : Uns64; W : Width) - return Net; - - -- Build a const from VAL. Result is either a Const_SB32 or a Const_Bit. - function Build2_Const_Int (Ctxt : Context_Acc; Val : Int64; W : Width) - return Net; - - function Build2_Const_Vec (Ctxt : Context_Acc; W : Width; V : Uns32_Arr) - return Net; - -- Large constants. -- Bit means only 0 or 1. -- Log means 0/1/Z/X. Parameters 2N are aval, 2N+1 are bval. @@ -114,29 +103,14 @@ package Netlists.Builders is function Build_Concatn (Ctxt : Context_Acc; W : Width; Nbr_Inputs : Uns32) return Net; - -- Concatenate nets of ELS in reverse order. So if ELS(L .. R), then - -- ELS(L) will be at offset 0. - function Build2_Concat (Ctxt : Context_Acc; Els : Net_Array) return Net; - function Build_Trunc (Ctxt : Context_Acc; Id : Module_Id; I : Net; W : Width) return Net; function Build_Extend (Ctxt : Context_Acc; Id : Module_Id; I : Net; W : Width) return Net; - -- Zero extend, noop or truncate I so that its width is W. - function Build2_Uresize (Ctxt : Context_Acc; - I : Net; - W : Width; - Loc : Location_Type := No_Location) - return Net; - function Build_Extract (Ctxt : Context_Acc; I : Net; Off, W : Width) return Net; - -- Same as Build_Extract, but return I iff extract all the bits. - function Build2_Extract - (Ctxt : Context_Acc; I : Net; Off, W : Width) return Net; - function Build_Extract_Bit (Ctxt : Context_Acc; I : Net; Off : Width) return Net; function Build_Dyn_Extract diff --git a/src/synth/netlists-concats.adb b/src/synth/netlists-concats.adb index 0aacd9ec6..d8df7bbc3 100644 --- a/src/synth/netlists-concats.adb +++ b/src/synth/netlists-concats.adb @@ -18,6 +18,8 @@ -- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, -- MA 02110-1301, USA. +with Netlists.Folds; use Netlists.Folds; + package body Netlists.Concats is procedure Append (C : in out Concat_Type; N : Net) is begin diff --git a/src/synth/netlists-expands.adb b/src/synth/netlists-expands.adb index a34302ef8..37b00d64e 100644 --- a/src/synth/netlists-expands.adb +++ b/src/synth/netlists-expands.adb @@ -26,6 +26,7 @@ with Netlists.Butils; use Netlists.Butils; with Netlists.Locations; use Netlists.Locations; with Netlists.Memories; use Netlists.Memories; with Netlists.Concats; use Netlists.Concats; +with Netlists.Folds; use Netlists.Folds; package body Netlists.Expands is type Memidx_Array_Type is array (Natural range <>) of Instance; diff --git a/src/synth/netlists-folds.adb b/src/synth/netlists-folds.adb new file mode 100644 index 000000000..a360c2a49 --- /dev/null +++ b/src/synth/netlists-folds.adb @@ -0,0 +1,159 @@ +-- Highler level API to build a netlist - do some optimizations. +-- Copyright (C) 2019 Tristan Gingold +-- +-- This file is part of GHDL. +-- +-- This program is free software; you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation; either version 2 of the License, or +-- (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program; if not, write to the Free Software +-- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +-- MA 02110-1301, USA. + +with Types_Utils; use Types_Utils; + +with Netlists.Gates; use Netlists.Gates; +with Netlists.Locations; + +package body Netlists.Folds is + + function Build2_Const_Uns (Ctxt : Context_Acc; Val : Uns64; W : Width) + return Net is + begin + if Val < 2**32 then + return Build_Const_UB32 (Ctxt, Uns32 (Val), W); + else + pragma Assert (W > 32); + declare + Inst : Instance; + begin + Inst := Build_Const_Bit (Ctxt, W); + Set_Param_Uns32 (Inst, 0, Uns32 (Val and 16#ffff_ffff#)); + Set_Param_Uns32 (Inst, 1, Uns32 (Shift_Right (Val, 32))); + for I in 2 .. (W + 31) / 32 loop + Set_Param_Uns32 (Inst, Param_Idx (I), 0); + end loop; + return Get_Output (Inst, 0); + end; + end if; + end Build2_Const_Uns; + + function Build2_Const_Vec (Ctxt : Context_Acc; W : Width; V : Uns32_Arr) + return Net is + begin + if W <= 32 then + return Build_Const_UB32 (Ctxt, V (V'First), W); + else + declare + Inst : Instance; + begin + Inst := Build_Const_Bit (Ctxt, W); + for I in V'Range loop + Set_Param_Uns32 (Inst, Param_Idx (I - V'First), V (I)); + end loop; + return Get_Output (Inst, 0); + end; + end if; + end Build2_Const_Vec; + + function Build2_Const_Int (Ctxt : Context_Acc; Val : Int64; W : Width) + return Net is + begin + if Val in -2**31 .. 2**31 - 1 then + return Build_Const_SB32 (Ctxt, Int32 (Val), W); + else + pragma Assert (W > 32); + declare + V : constant Uns64 := To_Uns64 (Val); + S : constant Uns32 := + Uns32 (Shift_Right_Arithmetic (V, 63) and 16#ffff_ffff#); + Inst : Instance; + begin + Inst := Build_Const_Bit (Ctxt, W); + Set_Param_Uns32 (Inst, 0, Uns32 (V and 16#ffff_ffff#)); + Set_Param_Uns32 (Inst, 1, Uns32 (Shift_Right (V, 32))); + for I in 2 .. (W + 31) / 32 loop + Set_Param_Uns32 (Inst, Param_Idx (I), S); + end loop; + return Get_Output (Inst, 0); + end; + end if; + end Build2_Const_Int; + + function Build2_Concat (Ctxt : Context_Acc; Els : Net_Array) return Net + is + F : constant Int32 := Els'First; + Len : constant Natural := Els'Length; + Wd : Width; + Inst : Instance; + N : Net; + begin + case Len is + when 0 => + raise Internal_Error; + when 1 => + N := Els (F); + when 2 => + N := Build_Concat2 (Ctxt, Els (F + 1), Els (F)); + when 3 => + N := Build_Concat3 (Ctxt, Els (F + 2), Els (F + 1), Els (F)); + when 4 => + N := Build_Concat4 + (Ctxt, Els (F + 3), Els (F + 2), Els (F + 1), Els (F)); + when 5 .. Natural'Last => + -- Compute length. + Wd := 0; + for I in Els'Range loop + Wd := Wd + Get_Width (Els (I)); + end loop; + + N := Build_Concatn (Ctxt, Wd, Uns32 (Len)); + Inst := Get_Net_Parent (N); + for I in Els'Range loop + Connect (Get_Input (Inst, Port_Idx (Els'Last - I)), Els (I)); + end loop; + end case; + return N; + end Build2_Concat; + + function Build2_Uresize (Ctxt : Context_Acc; + I : Net; + W : Width; + Loc : Location_Type := No_Location) + return Net + is + Wn : constant Width := Get_Width (I); + Res : Net; + begin + if Wn = W then + return I; + else + if Wn > W then + Res := Build_Trunc (Ctxt, Id_Utrunc, I, W); + else + pragma Assert (Wn < W); + Res := Build_Extend (Ctxt, Id_Uextend, I, W); + end if; + Locations.Set_Location (Res, Loc); + return Res; + end if; + end Build2_Uresize; + + function Build2_Extract + (Ctxt : Context_Acc; I : Net; Off, W : Width) return Net is + begin + if Off = 0 and then W = Get_Width (I) then + return I; + else + return Build_Extract (Ctxt, I, Off, W); + end if; + end Build2_Extract; +end Netlists.Folds; diff --git a/src/synth/netlists-folds.ads b/src/synth/netlists-folds.ads new file mode 100644 index 000000000..bd417162f --- /dev/null +++ b/src/synth/netlists-folds.ads @@ -0,0 +1,48 @@ +-- Highler level API to build a netlist - do some optimizations. +-- Copyright (C) 2019 Tristan Gingold +-- +-- This file is part of GHDL. +-- +-- This program is free software; you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation; either version 2 of the License, or +-- (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program; if not, write to the Free Software +-- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +-- MA 02110-1301, USA. + +with Netlists.Builders; use Netlists.Builders; + +package Netlists.Folds is + -- Build a const from VAL. Result is either a Const_UB32 or a Const_Bit. + function Build2_Const_Uns (Ctxt : Context_Acc; Val : Uns64; W : Width) + return Net; + + -- Build a const from VAL. Result is either a Const_SB32 or a Const_Bit. + function Build2_Const_Int (Ctxt : Context_Acc; Val : Int64; W : Width) + return Net; + + function Build2_Const_Vec (Ctxt : Context_Acc; W : Width; V : Uns32_Arr) + return Net; + + -- Concatenate nets of ELS in reverse order. So if ELS(L .. R), then + -- ELS(L) will be at offset 0. + function Build2_Concat (Ctxt : Context_Acc; Els : Net_Array) return Net; + + -- Zero extend, noop or truncate I so that its width is W. + function Build2_Uresize (Ctxt : Context_Acc; + I : Net; + W : Width; + Loc : Location_Type := No_Location) + return Net; + -- Same as Build_Extract, but return I iff extract all the bits. + function Build2_Extract + (Ctxt : Context_Acc; I : Net; Off, W : Width) return Net; +end Netlists.Folds; diff --git a/src/synth/synth-decls.adb b/src/synth/synth-decls.adb index 63661a82e..a0a904795 100644 --- a/src/synth/synth-decls.adb +++ b/src/synth/synth-decls.adb @@ -22,6 +22,7 @@ with Types; use Types; with Mutils; use Mutils; with Netlists; use Netlists; with Netlists.Builders; use Netlists.Builders; +with Netlists.Folds; use Netlists.Folds; with Vhdl.Errors; use Vhdl.Errors; with Vhdl.Utils; use Vhdl.Utils; diff --git a/src/synth/synth-environment.adb b/src/synth/synth-environment.adb index 42676f896..d1b14cc64 100644 --- a/src/synth/synth-environment.adb +++ b/src/synth/synth-environment.adb @@ -23,6 +23,7 @@ with Netlists.Concats; with Netlists.Gates; with Netlists.Gates_Ports; with Netlists.Utils; use Netlists.Utils; +with Netlists.Folds; use Netlists.Folds; with Errorout; use Errorout; diff --git a/src/synth/synth-expr.adb b/src/synth/synth-expr.adb index c34616d14..f1bdeeead 100644 --- a/src/synth/synth-expr.adb +++ b/src/synth/synth-expr.adb @@ -23,16 +23,17 @@ with Types_Utils; use Types_Utils; with Std_Names; with Str_Table; with Mutils; use Mutils; + with Vhdl.Ieee.Std_Logic_1164; use Vhdl.Ieee.Std_Logic_1164; with Vhdl.Std_Package; with Vhdl.Errors; use Vhdl.Errors; with Vhdl.Utils; use Vhdl.Utils; with Vhdl.Evaluation; use Vhdl.Evaluation; - with Vhdl.Annotations; use Vhdl.Annotations; with Netlists.Gates; use Netlists.Gates; with Netlists.Builders; use Netlists.Builders; +with Netlists.Folds; use Netlists.Folds; with Synth.Errors; use Synth.Errors; with Synth.Environment; diff --git a/src/synth/synth-inference.adb b/src/synth/synth-inference.adb index e66a8a386..30aa7ac21 100644 --- a/src/synth/synth-inference.adb +++ b/src/synth/synth-inference.adb @@ -24,6 +24,7 @@ with Netlists.Gates_Ports; use Netlists.Gates_Ports; with Netlists.Locations; use Netlists.Locations; with Netlists.Errors; use Netlists.Errors; with Netlists.Internings; +with Netlists.Folds; use Netlists.Folds; with Synth.Flags; with Synth.Source; use Synth.Source; diff --git a/src/synth/synth-oper.adb b/src/synth/synth-oper.adb index c394df158..19e376444 100644 --- a/src/synth/synth-oper.adb +++ b/src/synth/synth-oper.adb @@ -31,6 +31,7 @@ with Areapools; with Netlists; use Netlists; with Netlists.Gates; use Netlists.Gates; with Netlists.Builders; use Netlists.Builders; +with Netlists.Folds; use Netlists.Folds; with Synth.Errors; use Synth.Errors; with Synth.Stmts; use Synth.Stmts; |