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Remove MMX shift intrinsic handling code that also exists in SelectionDAGBuilder.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162661 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-08-27 08:08:30 +00:00
parent 43e4c62c43
commit 1d90bbba14
1 changed files with 0 additions and 56 deletions
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56
lib/Target/X86/X86ISelLowering.cpp
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@ -9943,62 +9943,6 @@ X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const
Op.getOperand(1), Op.getOperand(2), DAG);
}
// Fix vector shift instructions where the last operand is a non-immediate
// i32 value.
case Intrinsic::x86_mmx_pslli_w:
case Intrinsic::x86_mmx_pslli_d:
case Intrinsic::x86_mmx_pslli_q:
case Intrinsic::x86_mmx_psrli_w:
case Intrinsic::x86_mmx_psrli_d:
case Intrinsic::x86_mmx_psrli_q:
case Intrinsic::x86_mmx_psrai_w:
case Intrinsic::x86_mmx_psrai_d: {
SDValue ShAmt = Op.getOperand(2);
if (isa<ConstantSDNode>(ShAmt))
return SDValue();
unsigned NewIntNo;
switch (IntNo) {
default: llvm_unreachable("Impossible intrinsic"); // Can't reach here.
case Intrinsic::x86_mmx_pslli_w:
NewIntNo = Intrinsic::x86_mmx_psll_w;
break;
case Intrinsic::x86_mmx_pslli_d:
NewIntNo = Intrinsic::x86_mmx_psll_d;
break;
case Intrinsic::x86_mmx_pslli_q:
NewIntNo = Intrinsic::x86_mmx_psll_q;
break;
case Intrinsic::x86_mmx_psrli_w:
NewIntNo = Intrinsic::x86_mmx_psrl_w;
break;
case Intrinsic::x86_mmx_psrli_d:
NewIntNo = Intrinsic::x86_mmx_psrl_d;
break;
case Intrinsic::x86_mmx_psrli_q:
NewIntNo = Intrinsic::x86_mmx_psrl_q;
break;
case Intrinsic::x86_mmx_psrai_w:
NewIntNo = Intrinsic::x86_mmx_psra_w;
break;
case Intrinsic::x86_mmx_psrai_d:
NewIntNo = Intrinsic::x86_mmx_psra_d;
break;
}
// The vector shift intrinsics with scalars uses 32b shift amounts but
// the sse2/mmx shift instructions reads 64 bits. Set the upper 32 bits
// to be zero.
ShAmt = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v2i32, ShAmt,
DAG.getConstant(0, MVT::i32));
// FIXME this must be lowered to get rid of the invalid type.
EVT VT = Op.getValueType();
ShAmt = DAG.getNode(ISD::BITCAST, dl, VT, ShAmt);
return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
DAG.getConstant(NewIntNo, MVT::i32),
Op.getOperand(1), ShAmt);
}
case Intrinsic::x86_sse42_pcmpistria128:
case Intrinsic::x86_sse42_pcmpestria128:
case Intrinsic::x86_sse42_pcmpistric128: