From 10a77e14a0b41ebb1c0ee9c07b28550d96acd60c Mon Sep 17 00:00:00 2001
From: Johnny Chen <johnny.chen@apple.com>
Date: Tue, 2 Mar 2010 22:11:06 +0000
Subject: [PATCH] Added 32-bit Thumb instruction CLREX (Clear-Exclusive) for
 disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97595 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrThumb2.td | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index c7824402c2f..c3700df1867 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -2098,6 +2098,16 @@ def t2STREXD : T2I_strex<0b11, (outs GPR:$success),
                          {?, ?, ?, ?}>;
 }
 
+// Clear-Exclusive is for disassembly only.
+def t2CLREX : T2I<(outs), (ins), NoItinerary, "clrex", "",
+                  [/* For disassembly only; pattern left blank */]>,
+            Requires<[IsARM, HasV7]>  {
+  let Inst{31-20} = 0xf3b;
+  let Inst{15-14} = 0b10;
+  let Inst{12} = 0;
+  let Inst{7-4} = 0b0010;
+}
+
 //===----------------------------------------------------------------------===//
 // TLS Instructions
 //
-- 
2.34.1