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| author | Tristan Gingold <tgingold@free.fr> | 2019-07-23 18:36:50 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2019-07-24 05:23:31 +0200 |
| commit | 8653cfdef98b6ccd591b2cdf903c4a8149a18e93 (patch) | |
| tree | 980761da8bab228485a55bd3d2d0d3a96703f928 /src | |
| parent | e0281345a5437282f287568b6fafa8519512b9dd (diff) | |
| download | ghdl-8653cfdef98b6ccd591b2cdf903c4a8149a18e93.tar.gz ghdl-8653cfdef98b6ccd591b2cdf903c4a8149a18e93.tar.bz2 ghdl-8653cfdef98b6ccd591b2cdf903c4a8149a18e93.zip | |
vhdl: recognize resize function.
Diffstat (limited to 'src')
| -rw-r--r-- | src/std_names.adb | 1 | ||||
| -rw-r--r-- | src/std_names.ads | 7 | ||||
| -rw-r--r-- | src/vhdl/vhdl-ieee-numeric.adb | 33 | ||||
| -rw-r--r-- | src/vhdl/vhdl-nodes.ads | 5 |
4 files changed, 43 insertions, 3 deletions
diff --git a/src/std_names.adb b/src/std_names.adb index 3a5cb9c9f..499eb29c4 100644 --- a/src/std_names.adb +++ b/src/std_names.adb @@ -625,6 +625,7 @@ package body Std_Names is Def ("to_integer", Name_To_Integer); Def ("to_unsigned", Name_To_Unsigned); Def ("to_signed", Name_To_Signed); + Def ("resize", Name_Resize); Def ("math_real", Name_Math_Real); Def ("ceil", Name_Ceil); Def ("log2", Name_Log2); diff --git a/src/std_names.ads b/src/std_names.ads index 44a6b8495..5b7cc7964 100644 --- a/src/std_names.ads +++ b/src/std_names.ads @@ -708,9 +708,10 @@ package Std_Names is Name_To_Integer : constant Name_Id := Name_First_Ieee + 019; Name_To_Unsigned : constant Name_Id := Name_First_Ieee + 020; Name_To_Signed : constant Name_Id := Name_First_Ieee + 021; - Name_Math_Real : constant Name_Id := Name_First_Ieee + 022; - Name_Ceil : constant Name_Id := Name_First_Ieee + 023; - Name_Log2 : constant Name_Id := Name_First_Ieee + 024; + Name_Resize : constant Name_Id := Name_First_Ieee + 022; + Name_Math_Real : constant Name_Id := Name_First_Ieee + 023; + Name_Ceil : constant Name_Id := Name_First_Ieee + 024; + Name_Log2 : constant Name_Id := Name_First_Ieee + 025; Name_Last_Ieee : constant Name_Id := Name_Log2; -- Verilog Directives. diff --git a/src/vhdl/vhdl-ieee-numeric.adb b/src/vhdl/vhdl-ieee-numeric.adb index 9f57e7787..ad13f9274 100644 --- a/src/vhdl/vhdl-ieee-numeric.adb +++ b/src/vhdl/vhdl-ieee-numeric.adb @@ -319,6 +319,37 @@ package body Vhdl.Ieee.Numeric is raise Error; end if; end Handle_To_Integer; + + procedure Handle_Resize is + begin + if Arg2_Kind = Arg_Scal and Arg2_Sign = Type_Unsigned then + if Arg1_Kind = Arg_Vect and Arg1_Sign = Type_Unsigned then + Set_Implicit_Definition + (Decl, Iir_Predefined_Ieee_Numeric_Std_Resize_Uns_Nat); + elsif Arg1_Kind = Arg_Vect and Arg1_Sign = Type_Signed then + Set_Implicit_Definition + (Decl, Iir_Predefined_Ieee_Numeric_Std_Resize_Sgn_Nat); + else + raise Error; + end if; + elsif Arg2_Kind = Arg_Vect then + if Arg1_Kind = Arg_Vect and Arg1_Sign = Type_Unsigned + and Arg2_Sign = Type_Unsigned + then + Set_Implicit_Definition + (Decl, Iir_Predefined_Ieee_Numeric_Std_Resize_Uns_Uns); + elsif Arg1_Kind = Arg_Vect and Arg1_Sign = Type_Signed + and Arg2_Sign = Type_Signed + then + Set_Implicit_Definition + (Decl, Iir_Predefined_Ieee_Numeric_Std_Resize_Sgn_Sgn); + else + raise Error; + end if; + else + raise Error; + end if; + end Handle_Resize; begin Decl := Get_Declaration_Chain (Pkg_Decl); @@ -413,6 +444,8 @@ package body Vhdl.Ieee.Numeric is Handle_To_Unsigned; when Name_To_Signed => Handle_To_Signed; + when Name_Resize => + Handle_Resize; when others => null; end case; diff --git a/src/vhdl/vhdl-nodes.ads b/src/vhdl/vhdl-nodes.ads index c6f4a9c2a..6930d79bc 100644 --- a/src/vhdl/vhdl-nodes.ads +++ b/src/vhdl/vhdl-nodes.ads @@ -4886,6 +4886,11 @@ package Vhdl.Nodes is Iir_Predefined_Ieee_Numeric_Std_Tosgn_Int_Nat_Sgn, Iir_Predefined_Ieee_Numeric_Std_Tosgn_Int_Sgn_Sgn, + Iir_Predefined_Ieee_Numeric_Std_Resize_Uns_Nat, + Iir_Predefined_Ieee_Numeric_Std_Resize_Sgn_Nat, + Iir_Predefined_Ieee_Numeric_Std_Resize_Uns_Uns, + Iir_Predefined_Ieee_Numeric_Std_Resize_Sgn_Sgn, + Iir_Predefined_Ieee_Numeric_Std_Add_Uns_Uns, Iir_Predefined_Ieee_Numeric_Std_Add_Uns_Nat, Iir_Predefined_Ieee_Numeric_Std_Add_Nat_Uns, |