From c00479253b92dd79b0345e4229af62835533347c Mon Sep 17 00:00:00 2001
From: Bob Wilson <bob.wilson@apple.com>
Date: Tue, 4 Aug 2009 21:39:33 +0000
Subject: [PATCH] Replace dregsingle operand modifier with explicit escaped
 curly brackets. For other VLDn and VSTn operations, we need to list the
 multiple registers explicitly anyway, so there's no point in special-casing
 this one usage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78109 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrNEON.td              | 4 ++--
 lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index f36e3269b9b..540bd2f57f9 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -142,7 +142,7 @@ def VSTRQ : NI<(outs), (ins QPR:$src, GPR:$addr),
 //   VLD1     : Vector Load (multiple single elements)
 class VLD1D<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
   : NLdSt<(outs DPR:$dst), (ins addrmode6:$addr),
-          !strconcat(OpcodeStr, "\t${dst:dregsingle}, $addr"),
+          !strconcat(OpcodeStr, "\t\\{$dst\\}, $addr"),
           [(set DPR:$dst, (Ty (IntOp addrmode6:$addr)))]>;
 class VLD1Q<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
   : NLdSt<(outs QPR:$dst), (ins addrmode6:$addr),
@@ -164,7 +164,7 @@ def  VLD1q64  : VLD1Q<"vld1.64", v2i64, int_arm_neon_vld1i>;
 //   VST1     : Vector Store (multiple single elements)
 class VST1D<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
   : NLdSt<(outs), (ins addrmode6:$addr, DPR:$src),
-          !strconcat(OpcodeStr, "\t${src:dregsingle}, $addr"),
+          !strconcat(OpcodeStr, "\t\\{$src\\}, $addr"),
           [(IntOp addrmode6:$addr, (Ty DPR:$src))]>;
 class VST1Q<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
   : NLdSt<(outs), (ins addrmode6:$addr, QPR:$src),
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index a326185c88a..d1bf7007187 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -348,8 +348,6 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
         O << '{'
           << TRI->getAsmName(DRegLo) << ',' << TRI->getAsmName(DRegHi)
           << '}';
-      } else if (Modifier && strcmp(Modifier, "dregsingle") == 0) {
-        O << '{' << TRI->getAsmName(Reg) << '}';
       } else {
         O << TRI->getAsmName(Reg);
       }