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MipsTargetLowering cleanup

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2008-07-09 04:15:08 +00:00
parent b0b046848f
commit 97c2537269
2 changed files with 40 additions and 34 deletions
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49
lib/Target/Mips/MipsISelLowering.cpp
View File

@ -74,20 +74,21 @@ MipsTargetLowering(MipsTargetMachine &TM): TargetLowering(TM)
} else
addRegisterClass(MVT::f32, Mips::FGR32RegisterClass);
// Custom
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::JumpTable, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
// Load extented operations for i1 types must be promoted
setLoadXAction(ISD::EXTLOAD, MVT::i1, Promote);
setLoadXAction(ISD::ZEXTLOAD, MVT::i1, Promote);
setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
// Mips does not have these NodeTypes below.
// Mips Custom Operations
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::JumpTable, MVT::i32, Custom);
setOperationAction(ISD::ConstantPool, MVT::f32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
// Operations not directly supported by Mips.
setConvertAction(MVT::f64, MVT::f32, Expand);
setOperationAction(ISD::BR_JT, MVT::Other, Expand);
@ -97,25 +98,12 @@ MipsTargetLowering(MipsTargetMachine &TM): TargetLowering(TM)
setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand);
setOperationAction(ISD::FP_TO_UINT, MVT::i32, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
if (Subtarget->isSingleFloat())
setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
if (!Subtarget->isAllegrex()) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
}
// Mips not supported intrinsics.
setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
setOperationAction(ISD::CTPOP, MVT::i32, Expand);
setOperationAction(ISD::CTTZ, MVT::i32, Expand);
setOperationAction(ISD::CTLZ, MVT::i32, Expand);
setOperationAction(ISD::ROTL, MVT::i32, Expand);
setOperationAction(ISD::ROTR, MVT::i32, Expand);
setOperationAction(ISD::BSWAP, MVT::i32, Expand);
setOperationAction(ISD::SHL_PARTS, MVT::i32, Expand);
setOperationAction(ISD::SRA_PARTS, MVT::i32, Expand);
setOperationAction(ISD::SRL_PARTS, MVT::i32, Expand);
@ -129,6 +117,15 @@ MipsTargetLowering(MipsTargetMachine &TM): TargetLowering(TM)
// Use the default for now
setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
if (Subtarget->isSingleFloat())
setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
if (!Subtarget->isAllegrex()) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
}
setStackPointerRegisterToSaveRestore(Mips::SP);
computeRegisterProperties();
@ -151,6 +148,7 @@ LowerOperation(SDOperand Op, SelectionDAG &DAG)
case ISD::GlobalAddress: return LowerGlobalAddress(Op, DAG);
case ISD::GlobalTLSAddress: return LowerGlobalTLSAddress(Op, DAG);
case ISD::JumpTable: return LowerJumpTable(Op, DAG);
case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
}
return SDOperand();
@ -313,6 +311,13 @@ LowerJumpTable(SDOperand Op, SelectionDAG &DAG)
return ResNode;
}
SDOperand MipsTargetLowering::
LowerConstantPool(SDOperand Op, SelectionDAG &DAG)
{
assert(0 && "ConstantPool not implemented for MIPS.");
return SDOperand(); // Not reached
}
//===----------------------------------------------------------------------===//
// Calling Convention Implementation
//

1
lib/Target/Mips/MipsISelLowering.h
View File

@ -92,6 +92,7 @@ namespace llvm {
SDOperand LowerGlobalAddress(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerGlobalTLSAddress(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerConstantPool(SDOperand Op, SelectionDAG &DAG);
SDOperand LowerSELECT_CC(SDOperand Op, SelectionDAG &DAG);
virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,