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-rw-r--r--src/synth/netlists-folds.ads4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/synth/netlists-folds.ads b/src/synth/netlists-folds.ads
index fed8f72cb..5eb04a21f 100644
--- a/src/synth/netlists-folds.ads
+++ b/src/synth/netlists-folds.ads
@@ -21,10 +21,14 @@ 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.
+ -- VAL is zero extended, so any width is allowed.
+ -- But VAL must fit in the width.
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.
+ -- VAL is sign extended, so any width is allowed, but it must fit in the
+ -- width.
function Build2_Const_Int (Ctxt : Context_Acc; Val : Int64; W : Width)
return Net;