diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e8e1b2e7ea..00c8eeade5 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -3881,14 +3881,15 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDOperand Op, SelectionDAG &DAG) { return V2; if (ISD::isBuildVectorAllZeros(V1.Val)) return getVZextMovL(VT, VT, V2, DAG, Subtarget); - return Op; + if (!isMMX) + return Op; } - if (X86::isMOVSHDUPMask(PermMask.Val) || - X86::isMOVSLDUPMask(PermMask.Val) || - X86::isMOVHLPSMask(PermMask.Val) || - X86::isMOVHPMask(PermMask.Val) || - X86::isMOVLPMask(PermMask.Val)) + if (!isMMX && (X86::isMOVSHDUPMask(PermMask.Val) || + X86::isMOVSLDUPMask(PermMask.Val) || + X86::isMOVHLPSMask(PermMask.Val) || + X86::isMOVHPMask(PermMask.Val) || + X86::isMOVLPMask(PermMask.Val))) return Op; if (ShouldXformToMOVHLPS(PermMask.Val) || @@ -4772,6 +4773,7 @@ SDOperand X86TargetLowering::LowerVSETCC(SDOperand Op, SelectionDAG &DAG) { switch (SetCCOpcode) { default: break; + case ISD::SETOEQ: case ISD::SETEQ: SSECC = 0; break; case ISD::SETOGT: case ISD::SETGT: Swap = true; // Fallthrough @@ -4782,7 +4784,7 @@ SDOperand X86TargetLowering::LowerVSETCC(SDOperand Op, SelectionDAG &DAG) { case ISD::SETLE: case ISD::SETOLE: SSECC = 2; break; case ISD::SETUO: SSECC = 3; break; - case ISD::SETONE: + case ISD::SETUNE: case ISD::SETNE: SSECC = 4; break; case ISD::SETULE: Swap = true; case ISD::SETUGE: SSECC = 5; break; @@ -4793,15 +4795,21 @@ SDOperand X86TargetLowering::LowerVSETCC(SDOperand Op, SelectionDAG &DAG) { if (Swap) std::swap(Op0, Op1); - // In the one special case we can't handle, emit two comparisons. + // In the two special cases we can't handle, emit two comparisons. if (SSECC == 8) { - SDOperand UNORD, EQ; - - assert(SetCCOpcode == ISD::SETUEQ && "Illegal FP comparison"); - - UNORD = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(3, MVT::i8)); - EQ = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(0, MVT::i8)); - return DAG.getNode(ISD::OR, VT, UNORD, EQ); + if (SetCCOpcode == ISD::SETUEQ) { + SDOperand UNORD, EQ; + UNORD = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(3, MVT::i8)); + EQ = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(0, MVT::i8)); + return DAG.getNode(ISD::OR, VT, UNORD, EQ); + } + else if (SetCCOpcode == ISD::SETONE) { + SDOperand ORD, NEQ; + ORD = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(7, MVT::i8)); + NEQ = DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(4, MVT::i8)); + return DAG.getNode(ISD::AND, VT, ORD, NEQ); + } + assert(0 && "Illegal FP comparison"); } // Handle all other FP comparisons here. return DAG.getNode(Opc, VT, Op0, Op1, DAG.getConstant(SSECC, MVT::i8)); |