From 28316891e909768171173b691c363d4f2b424ce1 Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Wed, 30 Dec 2020 00:32:12 -0800
Subject: [PATCH] Fix discrepancy in chibicc ND_NOT codegen (#21)

---
 third_party/chibicc/codegen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/third_party/chibicc/codegen.c b/third_party/chibicc/codegen.c
index 378e995c..1783cebf 100644
--- a/third_party/chibicc/codegen.c
+++ b/third_party/chibicc/codegen.c
@@ -1314,7 +1314,7 @@ void gen_expr(Node *node) {
       gen_expr(node->lhs);
       cmp_zero(node->lhs->ty);
       emitlin("\tsete\t%al");
-      emitlin("\tmovzbl\t%al,%rax");
+      emitlin("\tmovzbq\t%al,%rax");
       return;
     case ND_BITNOT:
       gen_expr(node->lhs);