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ARM::MOVi32imm is expanded in ARMExpandPseudoInsts, so there's no need to

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handle it in the asm lowering.

llvm-svn: 117707
This commit is contained in:
Jim Grosbach 2010-10-29 20:37:06 +00:00
parent 7e3af87961
commit 93fbda05ee
1 changed files with 0 additions and 55 deletions
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55
lib/Target/ARM/ARMAsmPrinter.cpp
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@ -949,61 +949,6 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
}
return;
}
case ARM::MOVi32imm: {
// FIXME: We'd like to remove the asm string in the .td file, but the
// This is a hack that lowers as a two instruction sequence.
unsigned DstReg = MI->getOperand(0).getReg();
const MachineOperand &MO = MI->getOperand(1);
MCOperand V1, V2;
if (MO.isImm()) {
unsigned ImmVal = (unsigned)MI->getOperand(1).getImm();
V1 = MCOperand::CreateImm(ImmVal & 65535);
V2 = MCOperand::CreateImm(ImmVal >> 16);
} else if (MO.isGlobal()) {
MCSymbol *Symbol = MCInstLowering.GetGlobalAddressSymbol(MO.getGlobal());
const MCSymbolRefExpr *SymRef1 =
MCSymbolRefExpr::Create(Symbol,
MCSymbolRefExpr::VK_ARM_LO16, OutContext);
const MCSymbolRefExpr *SymRef2 =
MCSymbolRefExpr::Create(Symbol,
MCSymbolRefExpr::VK_ARM_HI16, OutContext);
V1 = MCOperand::CreateExpr(SymRef1);
V2 = MCOperand::CreateExpr(SymRef2);
} else {
// FIXME: External symbol?
MI->dump();
llvm_unreachable("cannot handle this operand");
}
{
MCInst TmpInst;
TmpInst.setOpcode(ARM::MOVi16);
TmpInst.addOperand(MCOperand::CreateReg(DstReg)); // dstreg
TmpInst.addOperand(V1); // lower16(imm)
// Predicate.
TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm()));
TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(3).getReg()));
OutStreamer.EmitInstruction(TmpInst);
}
{
MCInst TmpInst;
TmpInst.setOpcode(ARM::MOVTi16);
TmpInst.addOperand(MCOperand::CreateReg(DstReg)); // dstreg
TmpInst.addOperand(MCOperand::CreateReg(DstReg)); // srcreg
TmpInst.addOperand(V2); // upper16(imm)
// Predicate.
TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm()));
TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(3).getReg()));
OutStreamer.EmitInstruction(TmpInst);
}
return;
}
case ARM::t2TBB:
case ARM::t2TBH:
case ARM::t2BR_JT: {