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add support for returning i128, PR2532.

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llvm-svn: 53472
This commit is contained in:
Chris Lattner 2008-07-11 20:53:00 +00:00
parent d7a32ecde2
commit 4f20448c91
1 changed files with 14 additions and 0 deletions
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14
lib/Target/ARM/ARMISelLowering.cpp
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@ -685,6 +685,20 @@ static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG) {
DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R1);
}
break;
case 9: // i128 -> 4 regs
Copy = DAG.getCopyToReg(Chain, ARM::R3, Op.getOperand(7), SDOperand());
Copy = DAG.getCopyToReg(Copy , ARM::R2, Op.getOperand(5), Copy.getValue(1));
Copy = DAG.getCopyToReg(Copy , ARM::R1, Op.getOperand(3), Copy.getValue(1));
Copy = DAG.getCopyToReg(Copy , ARM::R0, Op.getOperand(1), Copy.getValue(1));
// If we haven't noted the R0+R1 are live out, do so now.
if (DAG.getMachineFunction().getRegInfo().liveout_empty()) {
DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R0);
DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R1);
DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R2);
DAG.getMachineFunction().getRegInfo().addLiveOut(ARM::R3);
}
break;
}
//We must use RET_FLAG instead of BRIND because BRIND doesn't have a flag