fix: underflow detected

2025-02-27 21:53:48 +00:00
parent 6f5fcd4d85
commit 617f6759d3
1 changed files with 1 additions and 0 deletions
--- a/src/main/wacc/backend/asmGenerator.scala
+++ b/src/main/wacc/backend/asmGenerator.scala
@@ -336,6 +336,7 @@ object asmGenerator {
            chain += Jump(LabelArg(OverflowError.errLabel), Cond.Overflow)
          case BinaryOperator.Sub =>
            chain += Subtract(destX, stack.head)
+            chain += Jump(LabelArg(OverflowError.errLabel), Cond.Overflow)
            chain += stack.drop()
            chain += stack.push(destX.size, RAX)
          case BinaryOperator.Mul =>