[llvm-commits] [llvm] r162661 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
Craig Topper
craig.topper at gmail.com
Mon Aug 27 01:08:30 PDT 2012
Author: ctopper
Date: Mon Aug 27 03:08:30 2012
New Revision: 162661
URL: http://llvm.org/viewvc/llvm-project?rev=162661&view=rev
Log:
Remove MMX shift intrinsic handling code that also exists in SelectionDAGBuilder.
Modified:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=162661&r1=162660&r2=162661&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Aug 27 03:08:30 2012
@@ -9943,62 +9943,6 @@
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:
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