From: Jim Grosbach <grosbach@apple.com>
Date: Wed, 9 Nov 2011 23:44:23 +0000 (+0000)
Subject: Thumb2 assembly parsing STMDB w/ optional .w suffix.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=3c5d6e4df495316c0d2e0a7bca5ec7a88aa400a5;p=oota-llvm.git

Thumb2 assembly parsing STMDB w/ optional .w suffix.

rdar://10422955


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144242 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index d06510744a1..0a282266c40 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3971,6 +3971,12 @@ 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)>;
 
+// STMDB/STMDB_UPD aliases w/ the optional .w suffix
+def : t2InstAlias<"stmdb${p}.w $Rn, $regs",
+                  (t2STMDB GPR:$Rn, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"stmdb${p}.w $Rn!, $regs",
+                  (t2STMDB_UPD GPR:$Rn, pred:$p, reglist:$regs)>;
+
 // LDMDB/LDMDB_UPD aliases w/ the optional .w suffix
 def : t2InstAlias<"ldmdb${p}.w $Rn, $regs",
                   (t2LDMDB GPR:$Rn, pred:$p, reglist:$regs)>;
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index b9205a357c3..061f991dd28 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -2303,11 +2303,13 @@ _func:
         stmdb r4, {r5, r6}
         stmdb r5!, {r3, r8}
         stmea r5!, {r3, r8}
+        stmdb.w r5, {r0, r1}
 
 @ CHECK: stmdb	r4, {r4, r5, r8, r9}    @ encoding: [0x04,0xe9,0x30,0x03]
 @ CHECK: stmdb	r4, {r5, r6}            @ encoding: [0x04,0xe9,0x60,0x00]
 @ CHECK: stmdb	r5!, {r3, r8}           @ encoding: [0x25,0xe9,0x08,0x01]
 @ CHECK: stm.w	r5!, {r3, r8}           @ encoding: [0xa5,0xe8,0x08,0x01]
+@ CHECK: stmdb	r5, {r0, r1}            @ encoding: [0x05,0xe9,0x03,0x00]
 
 
 @------------------------------------------------------------------------------