diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 2f8912f..79d95d9 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -4703,8 +4703,9 @@
   let Inst{9-8}    = 0b00;
 }
 def VEXTdf  : VEXTd<"vext", "32", v2f32> {
-  let Inst{11}    = index{0};
-  let Inst{10-8}  = 0b000;
+  let Inst{11-10}    = index{1-0};
+  let Inst{9-8}  = 0b00;
+
 }
 
 def VEXTq8  : VEXTq<"vext", "8",  v16i8> {