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| author | Tristan Gingold <tgingold@free.fr> | 2019-09-07 16:35:53 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2019-09-07 16:35:53 +0200 |
| commit | cb3468002497ab2090bef31d559e2eaf4747b90a (patch) | |
| tree | d4849b2d661408cd154ca98e7cb36c6aa95e7f5e /src/synth/synth-expr.adb | |
| parent | 1c29fa09e1f71e7fb389f451afab3bd2fb1264ab (diff) | |
| download | ghdl-cb3468002497ab2090bef31d559e2eaf4747b90a.tar.gz ghdl-cb3468002497ab2090bef31d559e2eaf4747b90a.tar.bz2 ghdl-cb3468002497ab2090bef31d559e2eaf4747b90a.zip | |
synth: add const_sb32, add smul/umul.
Diffstat (limited to 'src/synth/synth-expr.adb')
| -rw-r--r-- | src/synth/synth-expr.adb | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/src/synth/synth-expr.adb b/src/synth/synth-expr.adb index 78a843b6b..da6ea7190 100644 --- a/src/synth/synth-expr.adb +++ b/src/synth/synth-expr.adb @@ -234,7 +234,14 @@ package body Synth.Expr is begin if Is_Const (Val) then if Wn /= W then - raise Internal_Error; + pragma Assert (Val.Kind = Value_Discrete); + if Val.Typ.Drange.Is_Signed then + Res := Build2_Const_Int (Build_Context, Val.Scal, W); + else + Res := Build2_Const_Uns (Build_Context, To_Uns64 (Val.Scal), W); + end if; + Set_Location (Res, Loc); + return Res; end if; end if; @@ -1207,6 +1214,20 @@ package body Synth.Expr is -- "-" (Unsigned, Unsigned) return Synth_Dyadic_Uns (Id_Sub, True); + when Iir_Predefined_Ieee_Numeric_Std_Mul_Sgn_Sgn => + declare + L : constant Net := Get_Net (Left); + R : constant Net := Get_Net (Right); + W : constant Width := Get_Width (L) + Get_Width (R); + Rtype : Type_Acc; + N : Net; + begin + Rtype := Create_Vec_Type_By_Length (W, Left.Typ.Vec_El); + N := Build_Dyadic (Build_Context, Id_Smul, L, R); + Set_Location (N, Expr); + return Create_Value_Net (N, Rtype); + end; + when Iir_Predefined_Ieee_Numeric_Std_Eq_Uns_Nat => -- "=" (Unsigned, Natural) return Synth_Compare_Uns_Nat (Id_Eq); @@ -1337,7 +1358,7 @@ package body Synth.Expr is (Left.Scal * Right.Scal, Get_Value_Type (Syn_Inst, Get_Type (Expr))); else - return Synth_Int_Dyadic (Id_Mul); + return Synth_Int_Dyadic (Id_Smul); end if; when Iir_Predefined_Integer_Div => if Is_Const (Left) and then Is_Const (Right) then @@ -1611,10 +1632,18 @@ package body Synth.Expr is Off := 0; end if; elsif Pfx_Type.Kind = Type_Array then - Voff := Dyn_Index_To_Offset (Pfx_Type.Abounds.D (1), Idx_Val, Name); W := Get_Type_Width (Pfx_Type.Arr_El); - Mul := W; - Off := 0; + if Idx_Val.Kind = Value_Discrete then + Voff := No_Net; + Off := Index_To_Offset + (Pfx_Type.Abounds.D (1), Idx_Val.Scal, Name); + Mul := 0; + else + Voff := Dyn_Index_To_Offset + (Pfx_Type.Abounds.D (1), Idx_Val, Name); + Mul := W; + Off := 0; + end if; else raise Internal_Error; end if; @@ -1710,7 +1739,7 @@ package body Synth.Expr is -- It's a substraction, but without any constant value. return; end if; - elsif Get_Id (Get_Module (Inst)) = Id_Mul then + elsif Get_Id (Get_Module (Inst)) = Id_Smul then Val_I0 := Get_Input_Net (Inst, 0); Val_I1 := Get_Input_Net (Inst, 1); if Is_Const (Val_I0) then |