From 385cc5eede9f81717b03121baf47b7aa185b5128 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Mon, 27 Sep 2010 22:28:11 +0000
Subject: [PATCH] Enable the MC-ized ARM asm printer. Passing all local tests,
 so it's time to enable it for real. Leaving the CL option in place to it's
 easy to disable it again if (when) testers find something I've missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114915 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMAsmPrinter.cpp | 67 ++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 6e7cdc89ebe..cce73d65659 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1974,6 +1974,73 @@ void ARMAsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI) {
     }
     return;
   }
+  case ARM::tInt_eh_sjlj_longjmp: {
+    // ldr $scratch, [$src, #8]
+    // mov sp, $scratch
+    // ldr $scratch, [$src, #4]
+    // ldr r7, [$src]
+    // bx $scratch
+    unsigned SrcReg = MI->getOperand(0).getReg();
+    unsigned ScratchReg = MI->getOperand(1).getReg();
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tLDR);
+      TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+      TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
+      // The offset immediate is #8. The operand value is scaled by 4 for the
+      // tSTR instruction.
+      TmpInst.addOperand(MCOperand::CreateImm(2));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      // Predicate.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tMOVtgpr2gpr);
+      TmpInst.addOperand(MCOperand::CreateReg(ARM::SP));
+      TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+      // Predicate.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tLDR);
+      TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+      TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
+      TmpInst.addOperand(MCOperand::CreateImm(1));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      // Predicate.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tLDR);
+      TmpInst.addOperand(MCOperand::CreateReg(ARM::R7));
+      TmpInst.addOperand(MCOperand::CreateReg(SrcReg));
+      TmpInst.addOperand(MCOperand::CreateImm(0));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      // Predicate.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tBX_RET_vararg);
+      TmpInst.addOperand(MCOperand::CreateReg(ScratchReg));
+      // Predicate.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    return;
+  }
   }
 
   MCInst TmpInst;
-- 
2.34.1