[llvm] r199365 - Copy segment register when optimizing to MOV8ao8/MOV16ao16/MOV32ao32.

[Craig Topper]

Author: ctopper
Date: Thu Jan 16 01:57:45 2014
New Revision: 199365

URL: http://llvm.org/viewvc/llvm-project?rev=199365&view=rev
Log:
Copy segment register when optimizing to MOV8ao8/MOV16ao16/MOV32ao32.

Modified:
    llvm/trunk/lib/Target/X86/X86MCInstLower.cpp

Modified: llvm/trunk/lib/Target/X86/X86MCInstLower.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86MCInstLower.cpp?rev=199365&r1=199364&r2=199365&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86MCInstLower.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86MCInstLower.cpp Thu Jan 16 01:57:45 2014
@@ -323,15 +323,16 @@ static void SimplifyShortMoveForm(X86Asm
   if (Absolute &&
       (Inst.getOperand(AddrBase + 0).getReg() != 0 ||
        Inst.getOperand(AddrBase + 2).getReg() != 0 ||
-       Inst.getOperand(AddrBase + 4).getReg() != 0 ||
        Inst.getOperand(AddrBase + 1).getImm() != 1))
     return;
 
   // If so, rewrite the instruction.
   MCOperand Saved = Inst.getOperand(AddrOp);
+  MCOperand Seg = Inst.getOperand(AddrBase + 4);
   Inst = MCInst();
   Inst.setOpcode(Opcode);
   Inst.addOperand(Saved);
+  Inst.addOperand(Seg);
 }
 
 static unsigned getRetOpcode(const X86Subtarget &Subtarget)