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Add constant pool support, including folding into addresses.
Pretty print addresses a bit, to not print [%r1+%g0]: just print [%r1] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24813 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -185,8 +185,20 @@ void SparcV8AsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
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void SparcV8AsmPrinter::printMemOperand(const MachineInstr *MI, int opNum) {
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printOperand(MI, opNum);
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MachineOperand::MachineOperandType OpTy = MI->getOperand(opNum+1).getType();
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if ((OpTy == MachineOperand::MO_VirtualRegister ||
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OpTy == MachineOperand::MO_MachineRegister) &&
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MI->getOperand(opNum+1).getReg() == V8::G0)
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return; // don't print "+%g0"
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if ((OpTy == MachineOperand::MO_SignExtendedImmed ||
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OpTy == MachineOperand::MO_UnextendedImmed) &&
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MI->getOperand(opNum+1).getImmedValue() == 0)
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return; // don't print "+0"
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O << "+";
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if (MI->getOperand(opNum+1).getType() == MachineOperand::MO_GlobalAddress) {
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if (OpTy == MachineOperand::MO_GlobalAddress ||
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OpTy == MachineOperand::MO_ConstantPoolIndex) {
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O << "%lo(";
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printOperand(MI, opNum+1);
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O << ")";
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@ -75,6 +75,7 @@ SparcV8TargetLowering::SparcV8TargetLowering(TargetMachine &TM)
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// Custom legalize GlobalAddress nodes into LO/HI parts.
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setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
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setOperationAction(ISD::ConstantPool , MVT::i32, Custom);
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// Sparc doesn't have sext_inreg, replace them with shl/sra
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setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16 , Expand);
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@ -251,6 +252,13 @@ LowerOperation(SDOperand Op, SelectionDAG &DAG) {
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SDOperand Lo = DAG.getNode(V8ISD::Lo, MVT::i32, GA);
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return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
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}
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case ISD::ConstantPool: {
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Constant *C = cast<ConstantPoolSDNode>(Op)->get();
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SDOperand CP = DAG.getTargetConstantPool(C, MVT::i32);
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SDOperand Hi = DAG.getNode(V8ISD::Hi, MVT::i32, CP);
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SDOperand Lo = DAG.getNode(V8ISD::Lo, MVT::i32, CP);
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return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
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}
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}
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}
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@ -660,6 +660,8 @@ def : Pat<(i32 simm13:$val),
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def : Pat<(i32 imm:$val),
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(ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
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// Global addresses
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// Global addresses, constant pool entries
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def : Pat<(V8hi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
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def : Pat<(V8lo tglobaladdr:$in), (ORri G0, tglobaladdr:$in)>;
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def : Pat<(V8hi tconstpool:$in), (SETHIi tconstpool:$in)>;
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def : Pat<(V8lo tconstpool:$in), (ORri G0, tconstpool:$in)>;
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@ -185,8 +185,20 @@ void SparcV8AsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
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void SparcV8AsmPrinter::printMemOperand(const MachineInstr *MI, int opNum) {
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printOperand(MI, opNum);
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MachineOperand::MachineOperandType OpTy = MI->getOperand(opNum+1).getType();
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if ((OpTy == MachineOperand::MO_VirtualRegister ||
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OpTy == MachineOperand::MO_MachineRegister) &&
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MI->getOperand(opNum+1).getReg() == V8::G0)
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return; // don't print "+%g0"
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if ((OpTy == MachineOperand::MO_SignExtendedImmed ||
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OpTy == MachineOperand::MO_UnextendedImmed) &&
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MI->getOperand(opNum+1).getImmedValue() == 0)
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return; // don't print "+0"
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O << "+";
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if (MI->getOperand(opNum+1).getType() == MachineOperand::MO_GlobalAddress) {
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if (OpTy == MachineOperand::MO_GlobalAddress ||
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OpTy == MachineOperand::MO_ConstantPoolIndex) {
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O << "%lo(";
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printOperand(MI, opNum+1);
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O << ")";
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@ -75,6 +75,7 @@ SparcV8TargetLowering::SparcV8TargetLowering(TargetMachine &TM)
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// Custom legalize GlobalAddress nodes into LO/HI parts.
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setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
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setOperationAction(ISD::ConstantPool , MVT::i32, Custom);
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// Sparc doesn't have sext_inreg, replace them with shl/sra
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setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16 , Expand);
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@ -251,6 +252,13 @@ LowerOperation(SDOperand Op, SelectionDAG &DAG) {
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SDOperand Lo = DAG.getNode(V8ISD::Lo, MVT::i32, GA);
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return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
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}
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case ISD::ConstantPool: {
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Constant *C = cast<ConstantPoolSDNode>(Op)->get();
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SDOperand CP = DAG.getTargetConstantPool(C, MVT::i32);
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SDOperand Hi = DAG.getNode(V8ISD::Hi, MVT::i32, CP);
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SDOperand Lo = DAG.getNode(V8ISD::Lo, MVT::i32, CP);
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return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
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}
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}
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}
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@ -660,6 +660,8 @@ def : Pat<(i32 simm13:$val),
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def : Pat<(i32 imm:$val),
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(ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
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// Global addresses
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// Global addresses, constant pool entries
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def : Pat<(V8hi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
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def : Pat<(V8lo tglobaladdr:$in), (ORri G0, tglobaladdr:$in)>;
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def : Pat<(V8hi tconstpool:$in), (SETHIi tconstpool:$in)>;
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def : Pat<(V8lo tconstpool:$in), (ORri G0, tconstpool:$in)>;
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