diff --git a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td
index eb8740896e5..89b6dbdab5d 100644
--- a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td
+++ b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td
@@ -585,7 +585,7 @@ def XRSTORS64 : RI<0xC7, MRM3m, (outs), (ins opaquemem:$dst),
 //===----------------------------------------------------------------------===//
 // VIA PadLock crypto instructions
 let Defs = [RAX, RDI], Uses = [RDX, RDI], SchedRW = [WriteSystem] in
-  def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB, REP;
+  def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB;
 
 def : InstAlias<"xstorerng", (XSTORE)>;