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Diffstat (limited to 'src/main/stanza/ir-parser.stanza')
| -rw-r--r-- | src/main/stanza/ir-parser.stanza | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/stanza/ir-parser.stanza b/src/main/stanza/ir-parser.stanza index c622104c..76e7f6ca 100644 --- a/src/main/stanza/ir-parser.stanza +++ b/src/main/stanza/ir-parser.stanza @@ -281,7 +281,10 @@ defsyntax firrtl : expterm = (?t:#inttype(?v:#int$)) : match(t) : - (t:UIntType) : UIntValue(BigIntLit(v as Int,32), width(t)) + (t:UIntType) : + if (v as Int) < 0 : + FPE(form, "UIntValue cannot be negative.") + UIntValue(BigIntLit(v as Int,32), width(t)) (t:SIntType) : SIntValue(BigIntLit(v as Int,32), width(t)) expterm = (?op:#sym(?es:#exp ... ?ints:#int ... ?rest ...)) : |