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Remove code in MipsAsmPrinter and MipsMCInstLower.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-06-14 01:20:12 +00:00
parent 9e97587e02
commit 63b37f122d
3 changed files with 2 additions and 30 deletions
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9
lib/Target/Mips/MipsAsmPrinter.cpp
View File

@ -230,15 +230,6 @@ void MipsAsmPrinter::EmitFunctionBodyStart() {
if (MipsFI->getEmitNOAT())
OutStreamer.EmitRawText(StringRef("\t.set\tnoat"));
}
if ((MF->getTarget().getRelocationModel() == Reloc::PIC_) &&
Subtarget->isABI_O32() && MipsFI->globalBaseRegSet()) {
SmallVector<MCInst, 4> MCInsts;
MCInstLowering.LowerSETGP01(MCInsts);
for (SmallVector<MCInst, 4>::iterator I = MCInsts.begin();
I != MCInsts.end(); ++I)
OutStreamer.EmitInstruction(*I);
}
}
/// EmitFunctionBodyEnd - Targets can override this to emit stuff after

22
lib/Target/Mips/MipsMCInstLower.cpp
View File

@ -109,6 +109,7 @@ MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
return MCOperand::CreateExpr(AddExpr);
}
/*
static void CreateMCInst(MCInst& Inst, unsigned Opc, const MCOperand& Opnd0,
const MCOperand& Opnd1,
const MCOperand& Opnd2 = MCOperand()) {
@ -118,6 +119,7 @@ static void CreateMCInst(MCInst& Inst, unsigned Opc, const MCOperand& Opnd0,
if (Opnd2.isValid())
Inst.addOperand(Opnd2);
}
*/
MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO,
unsigned offset) const {
@ -156,23 +158,3 @@ void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.addOperand(MCOp);
}
}
// Create the following two instructions:
// "lui $2, %hi(_gp_disp)"
// "addiu $2, $2, %lo(_gp_disp)"
void MipsMCInstLower::LowerSETGP01(SmallVector<MCInst, 4>& MCInsts) {
MCOperand RegOpnd = MCOperand::CreateReg(Mips::V0);
StringRef SymName("_gp_disp");
const MCSymbol *Sym = Ctx->GetOrCreateSymbol(SymName);
const MCSymbolRefExpr *MCSym;
MCSym = MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_Mips_ABS_HI, *Ctx);
MCOperand SymHi = MCOperand::CreateExpr(MCSym);
MCSym = MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_Mips_ABS_LO, *Ctx);
MCOperand SymLo = MCOperand::CreateExpr(MCSym);
MCInsts.resize(2);
CreateMCInst(MCInsts[0], Mips::LUi, RegOpnd, SymHi);
CreateMCInst(MCInsts[1], Mips::ADDiu, RegOpnd, RegOpnd, SymLo);
}

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

@ -33,7 +33,6 @@ public:
MipsMCInstLower(MipsAsmPrinter &asmprinter);
void Initialize(Mangler *mang, MCContext* C);
void Lower(const MachineInstr *MI, MCInst &OutMI) const;
void LowerSETGP01(SmallVector<MCInst, 4>& MCInsts);
private:
MCOperand LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy, unsigned Offset) const;