diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 6a29dbe77dd..72c51a11fa2 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1636,7 +1636,7 @@ def V_SUB_F64 : InstSI <
   (outs VReg_64:$dst),
   (ins VReg_64:$src0, VReg_64:$src1),
   "V_SUB_F64 $dst, $src0, $src1",
-  []
+  [(set f64:$dst, (fsub f64:$src0, f64:$src1))]
 >;
 
 } // end usesCustomInserter
@@ -1693,11 +1693,6 @@ def : Pat <
        $src0, $src1, $src2, $src3)
 >;
 
-def : Pat <
-  (f64 (fsub f64:$src0, f64:$src1)),
-  (V_SUB_F64 $src0, $src1)
->;
-
 //===----------------------------------------------------------------------===//
 // SMRD Patterns
 //===----------------------------------------------------------------------===//