diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index abf22bd..a7e2aa3 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -3355,6 +3355,8 @@
     case 'r':
       if (VT == MVT::i32 || VT == MVT::i16 || VT == MVT::i8)
         return std::make_pair(0U, &Mips::CPURegsRegClass);
+      if (VT == MVT::i64 && !HasMips64)
+        return std::make_pair(0U, &Mips::CPURegsRegClass);
       if (VT == MVT::i64 && HasMips64)
         return std::make_pair(0U, &Mips::CPU64RegsRegClass);
       // This will generate an error message
diff --git a/test/CodeGen/Mips/inlineasm-operand-code.ll b/test/CodeGen/Mips/inlineasm-operand-code.ll
index ca4f3e4..d75f7f2 100644
--- a/test/CodeGen/Mips/inlineasm-operand-code.ll
+++ b/test/CodeGen/Mips/inlineasm-operand-code.ll
@@ -41,5 +41,11 @@
 ;CHECK:	#NO_APP
   tail call i32 asm sideeffect "addi $0,$1,${2:z}", "=r,r,I"(i32 7, i32 0) nounwind
 
+; a long long in 32 bit mode (use to assert)
+;CHECK:	#APP
+;CHECK:	addi ${{[0-9]+}},${{[0-9]+}},3
+;CHECK:	#NO_APP
+  tail call i64 asm sideeffect "addi $0,$1,$2 \0A\09", "=r,r,X"(i64 1229801703532086340, i64 3) nounwind
+
   ret i32 0
 }