diff --git a/test/CodeGen/X86/pr16360.ll b/test/CodeGen/X86/pr16360.ll
index 247d5100b45..1f73a4d4360 100644
--- a/test/CodeGen/X86/pr16360.ll
+++ b/test/CodeGen/X86/pr16360.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s
+; RUN: llc < %s -mcpu=pentium4 -mtriple=i686-pc-linux | FileCheck %s
 
 define i64 @foo(i32 %sum) {
 entry: