From 9b64728925b49051e6ae489ae005c0f22df0110e Mon Sep 17 00:00:00 2001 From: Pepijn de Vos Date: Thu, 1 Aug 2019 19:07:53 +0200 Subject: synth: handle signed integer comparisons (#878) * comparisons with integer literals * display signed comparison nicely * revert literal size changes * properly display signed values --- src/synth/synth-expr.adb | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/synth/synth-expr.adb') diff --git a/src/synth/synth-expr.adb b/src/synth/synth-expr.adb index 67121652f..f7cbe074b 100644 --- a/src/synth/synth-expr.adb +++ b/src/synth/synth-expr.adb @@ -1048,6 +1048,27 @@ package body Synth.Expr is else return Synth_Compare (Id_Sle); end if; + when Iir_Predefined_Integer_Less => + if Is_Const (Left) and then Is_Const (Right) then + return Create_Value_Discrete + (Boolean'Pos (Left.Scal < Right.Scal), Boolean_Type); + else + return Synth_Compare (Id_Slt); + end if; + when Iir_Predefined_Integer_Greater_Equal => + if Is_Const (Left) and then Is_Const (Right) then + return Create_Value_Discrete + (Boolean'Pos (Left.Scal >= Right.Scal), Boolean_Type); + else + return Synth_Compare (Id_Sge); + end if; + when Iir_Predefined_Integer_Greater => + if Is_Const (Left) and then Is_Const (Right) then + return Create_Value_Discrete + (Boolean'Pos (Left.Scal > Right.Scal), Boolean_Type); + else + return Synth_Compare (Id_Sgt); + end if; when Iir_Predefined_Integer_Equality => if Is_Const (Left) and then Is_Const (Right) then return Create_Value_Discrete -- cgit v1.2.3