diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
index c72af7d..4f0ff2a 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
@@ -27,7 +27,7 @@
   AlignmentIsInBytes          = false;
   Data16bitsDirective         = "\t.2byte\t";
   Data32bitsDirective         = "\t.4byte\t";
-  Data64bitsDirective         = 0;
+  Data64bitsDirective         = "\t.8byte\t";
   PrivateGlobalPrefix         = "$";
   CommentString               = "#";
   ZeroDirective               = "\t.space\t";
diff --git a/test/CodeGen/Mips/mips64directive.ll b/test/CodeGen/Mips/mips64directive.ll
new file mode 100644
index 0000000..fa81b72
--- /dev/null
+++ b/test/CodeGen/Mips/mips64directive.ll
@@ -0,0 +1,11 @@
+; RUN: llc  < %s -march=mips64el -mcpu=mips64 -mattr=n64 | FileCheck %s
+
+@gl = global i64 1250999896321, align 8
+
+; CHECK: 8byte
+define i64 @foo1() nounwind readonly {
+entry:
+  %0 = load i64* @gl, align 8
+  ret i64 %0
+}
+