Remove the writeback flag from ARM's address mode 4.  Now that we have separate
instructions for ld/st with writeback, the flag is completely redundant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index ab9e926..262aae4 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -1218,7 +1218,7 @@
 
 def t2LDM_UPD : T2XIt<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
                                        reglist:$dsts, variable_ops), IIC_iLoadm,
-                      "ldm${addr:submode}${p}${addr:wide}\t$addr, $dsts",
+                      "ldm${addr:submode}${p}${addr:wide}\t$addr!, $dsts",
                       "$addr.addr = $wb", []> {
   let Inst{31-27} = 0b11101;
   let Inst{26-25} = 0b00;
@@ -1244,7 +1244,7 @@
 def t2STM_UPD : T2XIt<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
                                        reglist:$srcs, variable_ops),
                       IIC_iStorem,
-                      "stm${addr:submode}${p}${addr:wide}\t$addr, $srcs",
+                      "stm${addr:submode}${p}${addr:wide}\t$addr!, $srcs",
                       "$addr.addr = $wb", []> {
   let Inst{31-27} = 0b11101;
   let Inst{26-25} = 0b00;