From c3ab5de57c3a4c3ef00e83ad92a2df8c9ddf7e4f Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Thu, 16 Jan 2014 07:57:45 +0000 Subject: [PATCH] Copy segment register when optimizing to MOV8ao8/MOV16ao16/MOV32ao32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199365 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86MCInstLower.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp index 8b4195f0ee0..8d1348012e3 100644 --- a/lib/Target/X86/X86MCInstLower.cpp +++ b/lib/Target/X86/X86MCInstLower.cpp @@ -323,15 +323,16 @@ static void SimplifyShortMoveForm(X86AsmPrinter &Printer, MCInst &Inst, 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) -- 2.34.1