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| author | Tristan Gingold <tgingold@free.fr> | 2020-01-11 07:28:29 +0100 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2020-01-11 07:28:29 +0100 |
| commit | 39e7b128b765278f6b0197d5804afc8f43fb179f (patch) | |
| tree | ff75c745880aacc4d307e86eed9a79617d67492d /src/vhdl/vhdl-ieee-numeric.adb | |
| parent | 4d148edb4087a0a14172d27d037e59d8874c66b9 (diff) | |
| download | ghdl-39e7b128b765278f6b0197d5804afc8f43fb179f.tar.gz ghdl-39e7b128b765278f6b0197d5804afc8f43fb179f.tar.bz2 ghdl-39e7b128b765278f6b0197d5804afc8f43fb179f.zip | |
vhdl: recognize predefined shift operators for ieee.numeric_std. For #1077
Diffstat (limited to 'src/vhdl/vhdl-ieee-numeric.adb')
| -rw-r--r-- | src/vhdl/vhdl-ieee-numeric.adb | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/src/vhdl/vhdl-ieee-numeric.adb b/src/vhdl/vhdl-ieee-numeric.adb index c33a2c8e0..2bb43e1f8 100644 --- a/src/vhdl/vhdl-ieee-numeric.adb +++ b/src/vhdl/vhdl-ieee-numeric.adb @@ -322,6 +322,22 @@ package body Vhdl.Ieee.Numeric is (Type_Signed => Iir_Predefined_Ieee_Numeric_Std_Ror_Sgn_Nat, Type_Unsigned => Iir_Predefined_Ieee_Numeric_Std_Ror_Uns_Nat); + Sll_Patterns : constant Shift_Pattern_Type := + (Type_Signed => Iir_Predefined_Ieee_Numeric_Std_Sll_Sgn_Int, + Type_Unsigned => Iir_Predefined_Ieee_Numeric_Std_Sll_Uns_Int); + + Srl_Patterns : constant Shift_Pattern_Type := + (Type_Signed => Iir_Predefined_Ieee_Numeric_Std_Srl_Sgn_Int, + Type_Unsigned => Iir_Predefined_Ieee_Numeric_Std_Srl_Uns_Int); + + Sla_Patterns : constant Shift_Pattern_Type := + (Type_Signed => Iir_Predefined_Ieee_Numeric_Std_Sla_Sgn_Int, + Type_Unsigned => Iir_Predefined_Ieee_Numeric_Std_Sla_Uns_Int); + + Sra_Patterns : constant Shift_Pattern_Type := + (Type_Signed => Iir_Predefined_Ieee_Numeric_Std_Sra_Sgn_Int, + Type_Unsigned => Iir_Predefined_Ieee_Numeric_Std_Sra_Uns_Int); + Error : exception; procedure Extract_Declarations (Pkg_Decl : Iir_Package_Declaration; @@ -515,13 +531,13 @@ package body Vhdl.Ieee.Numeric is Set_Implicit_Definition (Decl, Predefined); end Handle_Std_Match; - procedure Handle_Shift (Pats : Shift_Pattern_Type) + procedure Handle_Shift (Pats : Shift_Pattern_Type; Sh_Sign : Sign_Kind) is Res : Iir_Predefined_Functions; begin if Arg1_Kind = Arg_Vect and then Arg2_Kind = Arg_Scal - and then Arg2_Sign = Type_Unsigned + and then Arg2_Sign = Sh_Sign then case Arg1_Sign is when Type_Signed | Type_Unsigned => @@ -647,13 +663,21 @@ package body Vhdl.Ieee.Numeric is when Name_Std_Match => Handle_Std_Match; when Name_Shift_Left => - Handle_Shift (Shl_Patterns); + Handle_Shift (Shl_Patterns, Type_Unsigned); when Name_Shift_Right => - Handle_Shift (Shr_Patterns); + Handle_Shift (Shr_Patterns, Type_Unsigned); + when Name_Sll => + Handle_Shift (Sll_Patterns, Type_Signed); + when Name_Srl => + Handle_Shift (Srl_Patterns, Type_Signed); + when Name_Sla => + Handle_Shift (Sla_Patterns, Type_Signed); + when Name_Sra => + Handle_Shift (Sra_Patterns, Type_Signed); when Name_Rotate_Left => - Handle_Shift (Rol_Patterns); + Handle_Shift (Rol_Patterns, Type_Unsigned); when Name_Rotate_Right => - Handle_Shift (Ror_Patterns); + Handle_Shift (Ror_Patterns, Type_Unsigned); when others => null; end case; |