From c5b70e615f9f7a09a54426d9b2623920d2659b65 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Thu, 6 Feb 2014 22:18:15 -0800
Subject: [PATCH] Fixing div.

---
 src/alloy/backend/x64/lowering/lowering_sequences.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/alloy/backend/x64/lowering/lowering_sequences.cc b/src/alloy/backend/x64/lowering/lowering_sequences.cc
index 38007aed5..754fd0d07 100644
--- a/src/alloy/backend/x64/lowering/lowering_sequences.cc
+++ b/src/alloy/backend/x64/lowering/lowering_sequences.cc
@@ -2199,7 +2199,9 @@ table->AddSequence(OPCODE_DIV, [](X64Emitter& e, Instr*& i) {
       // RAX = value, RDX = clobbered
       // TODO(benvanik): make the register allocator put dest_src in RAX?
       auto Nax = LIKE_REG(e.rax, dest_src);
+      auto Ndx = LIKE_REG(e.rdx, dest_src);
       e.mov(Nax, dest_src);
+      e.xor(Ndx, Ndx);
       if (i.flags & ARITHMETIC_UNSIGNED) {
         e.div(src);
       } else {