From e8b703b3ae1043ce12659a3d754681455b7dfd21 Mon Sep 17 00:00:00 2001
From: rileylyman <35509264+rileylyman@users.noreply.github.com>
Date: Sat, 5 Jan 2019 11:35:03 -0800
Subject: [PATCH] DIVU should return 0xFFFFFFFF on divide by 0 instead of rs1

---
 src/main/kotlin/venus/riscv/insts/divu.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/venus/riscv/insts/divu.kt b/src/main/kotlin/venus/riscv/insts/divu.kt
index 9367c3e1..cb7626b7 100644
--- a/src/main/kotlin/venus/riscv/insts/divu.kt
+++ b/src/main/kotlin/venus/riscv/insts/divu.kt
@@ -10,7 +10,7 @@ val divu = RTypeInstruction(
         eval32 = { a, b ->
             val x = a.toLong() shl 32 ushr 32
             val y = b.toLong() shl 32 ushr 32
-            if (y == 0L) a
+            if (y == 0L) (-1).toInt()
             else (x / y).toInt()
         }
 )