Differential D34809 Diff 115196 llvm/trunk/lib/Target/Mips/MipsSEISelDAGToDAG.cpp

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llvm/trunk/lib/Target/Mips/MipsSEISelDAGToDAG.cpp

Show First 20 Lines • Show All 1,182 Lines • ▼ Show 20 Lines	if (SplatValue.isSignedIntN(10)) {
// We have 3 cases:		// We have 3 cases:
// The HiRes is nonzero but Res is $zero => dsll32 HiRes, 0		// The HiRes is nonzero but Res is $zero => dsll32 HiRes, 0
// The Res is nonzero but HiRes is $zero => dinsu Res, $zero, 32, 32		// The Res is nonzero but HiRes is $zero => dinsu Res, $zero, 32, 32
// Both are non zero => dinsu Res, HiRes, 32, 32		// Both are non zero => dinsu Res, HiRes, 32, 32
//		//
// The obvious "missing" case is when both are zero, but that case is		// The obvious "missing" case is when both are zero, but that case is
// handled by the ldi case.		// handled by the ldi case.
if (ResNonZero) {		if (ResNonZero) {
		IntegerType *Int32Ty =
		IntegerType::get(MF->getFunction()->getContext(), 32);
		const ConstantInt *Const32 = ConstantInt::get(Int32Ty, 32);
SDValue Ops[4] = {HiResNonZero ? SDValue(HiRes, 0) : Zero64Val,		SDValue Ops[4] = {HiResNonZero ? SDValue(HiRes, 0) : Zero64Val,
CurDAG->getTargetConstant(64, DL, MVT::i32),		CurDAG->getConstant(*Const32, DL, MVT::i32),
CurDAG->getTargetConstant(32, DL, MVT::i32),		CurDAG->getConstant(*Const32, DL, MVT::i32),
SDValue(Res, 0)};		SDValue(Res, 0)};

Res = CurDAG->getMachineNode(Mips::DINSU, DL, MVT::i64, Ops);		Res = CurDAG->getMachineNode(Mips::DINSU, DL, MVT::i64, Ops);
} else if (HiResNonZero) {		} else if (HiResNonZero) {
Res = CurDAG->getMachineNode(		Res = CurDAG->getMachineNode(
Mips::DSLL32, DL, MVT::i64, SDValue(HiRes, 0),		Mips::DSLL32, DL, MVT::i64, SDValue(HiRes, 0),
CurDAG->getTargetConstant(0, DL, MVT::i32));		CurDAG->getTargetConstant(0, DL, MVT::i32));
} else		} else
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