From 8ce4021a40ec7efaa809dbfaade406d88632c52a Mon Sep 17 00:00:00 2001
From: Sean Callanan <scallanan@apple.com>
Date: Thu, 23 Jul 2009 23:39:34 +0000
Subject: Added a 2+-byte NOP instruction to the Intel tables, for the
 assembler/disassembler to use.

llvm-svn: 76914
---
 llvm/lib/Target/X86/X86InstrInfo.td | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index eaafe0a7ce2..0e40965a4c1 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -489,8 +489,11 @@ def ADJCALLSTACKUP32   : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
 }
 
 // Nop
-let neverHasSideEffects = 1 in
+let neverHasSideEffects = 1 in {
   def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
+  def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
+                "nopl\t$zero", []>, TB;
+}
 
 // PIC base
 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
-- 
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