From 57b21e437a4746e8c3c26531cb233bac953cc5e2 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Thu, 15 Sep 2011 15:55:04 +0000
Subject: [PATCH] Thumb2 push/pop mnemonic recognition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139794 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrThumb2.td | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 1463828cf88..fbc95ee96c6 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3835,3 +3835,9 @@ def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
                 (t2PKHBT rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
             Requires<[HasT2ExtractPack, IsThumb2]>;
 
+// PUSH/POP aliases for STM/LDM
+def : t2InstAlias<"push${p}.w $regs", (t2STMDB_UPD SP, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"push${p} $regs", (t2STMDB_UPD SP, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"pop${p}.w $regs", (t2LDMIA_UPD SP, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"pop${p} $regs", (t2LDMIA_UPD SP, pred:$p, reglist:$regs)>;
+