From ca0ede7655cbe126441dd13599eafdf442eff3a9 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Thu, 30 Jun 2011 01:38:03 +0000
Subject: [PATCH] Recognize the xstorerng alias for VIA PadLock's xstore
 instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134126 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86InstrSystem.td | 2 ++
 test/MC/X86/padlock.s            | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/lib/Target/X86/X86InstrSystem.td b/lib/Target/X86/X86InstrSystem.td
index f73cff39e86..31de878343e 100644
--- a/lib/Target/X86/X86InstrSystem.td
+++ b/lib/Target/X86/X86InstrSystem.td
@@ -411,6 +411,8 @@ let Uses = [RDX, RAX, RCX] in
 let Defs = [RAX, RDI], Uses = [RDX, RDI] in
   def XSTORE : I<0xc0, RawFrm, (outs), (ins), "xstore", []>, A7;
 
+def : InstAlias<"xstorerng", (XSTORE)>;
+
 let Defs = [RSI, RDI], Uses = [RBX, RDX, RSI, RDI] in {
   def XCRYPTECB : I<0xc8, RawFrm, (outs), (ins), "xcryptecb", []>, A7;
   def XCRYPTCBC : I<0xd0, RawFrm, (outs), (ins), "xcryptcbc", []>, A7;
diff --git a/test/MC/X86/padlock.s b/test/MC/X86/padlock.s
index 874786f9071..5c523e7f68c 100644
--- a/test/MC/X86/padlock.s
+++ b/test/MC/X86/padlock.s
@@ -2,6 +2,10 @@
 
 	xstore
 // CHECK: xstore
+// CHECK: encoding: [0x0f,0xa7,0xc0]
+
+	xstorerng
+// CHECK: xstore
 // CHECK: encoding: [0x0f,0xa7,0xc0]
 
 	rep xcryptecb