From: Jim Grosbach <grosbach@apple.com>
Date: Wed, 7 Dec 2011 18:32:28 +0000 (+0000)
Subject: Thumb2 alias for long-form pop and friends.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8524bca75076a5e94ba3263968fa4b9e4fc6234f;p=oota-llvm.git

Thumb2 alias for long-form pop and friends.
rdar://10542474

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146046 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index f204f0d9e8c..38b6cdf73f1 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3971,6 +3971,18 @@ 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)>;
 
+// STMIA/STMIA_UPD aliases w/o the optional .w suffix
+def : t2InstAlias<"stm${p} $Rn, $regs",
+                  (t2STMIA GPR:$Rn, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"stm${p} $Rn!, $regs",
+                  (t2STMIA_UPD GPR:$Rn, pred:$p, reglist:$regs)>;
+
+// LDMIA/LDMIA_UPD aliases w/o the optional .w suffix
+def : t2InstAlias<"ldm${p} $Rn, $regs",
+                  (t2LDMIA GPR:$Rn, pred:$p, reglist:$regs)>;
+def : t2InstAlias<"ldm${p} $Rn!, $regs",
+                  (t2LDMIA_UPD GPR:$Rn, 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)>;
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index e2f7527b6c5..2550858051d 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -581,6 +581,7 @@ _func:
         ldm r4, {r5, r6}
         ldm r5!, {r3, r8}
         ldmfd r5!, {r3, r8}
+        ldmia sp!, {r4-r11, pc}
 
 @ CHECK: ldm.w	r4, {r4, r5, r8, r9}    @ encoding: [0x94,0xe8,0x30,0x03]
 @ CHECK: ldm.w	r4, {r5, r6}            @ encoding: [0x94,0xe8,0x60,0x00]
@@ -598,6 +599,7 @@ _func:
 @ CHECK: ldm.w	r4, {r5, r6}            @ encoding: [0x94,0xe8,0x60,0x00]
 @ CHECK: ldm.w	r5!, {r3, r8}           @ encoding: [0xb5,0xe8,0x08,0x01]
 @ CHECK: ldm.w	r5!, {r3, r8}           @ encoding: [0xb5,0xe8,0x08,0x01]
+@ CHECK: pop.w	{pc, r4, r5, r6, r7, r8, r9, r10, r11} @ encoding: [0xbd,0xe8,0xf0,0x8f]
 
 
 @------------------------------------------------------------------------------