printRegName(O, Op.getReg());
return;
}
-
+
if (Op.isImm()) {
O << Op.getImm();
return;
}
-
+
assert(Op.isExpr() && "unknown operand kind in printOperand");
printExpr(Op.getExpr(), O);
}
namespace llvm {
// These enumeration declarations were orignally in MipsInstrInfo.h but
// had to be moved here to avoid circular dependencies between
-// LLVMMipsCodeGen and LLVMMipsAsmPrinter.
+// LLVMMipsCodeGen and LLVMMipsAsmPrinter.
namespace Mips {
// Mips Branch Codes
enum FPBranchCode {
class MipsInstPrinter : public MCInstPrinter {
public:
MipsInstPrinter(const MCAsmInfo &MAI) : MCInstPrinter(MAI) {}
-
+
// Autogenerated by tblgen.
void printInstruction(const MCInst *MI, raw_ostream &O);
static const char *getInstructionName(unsigned Opcode);
static const char *getRegisterName(unsigned RegNo);
-
+
virtual StringRef getOpcodeName(unsigned Opcode) const;
virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
-
+
private:
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printUnsignedImm(const MCInst *MI, int opNum, raw_ostream &O);
/// \parm Res [output] - On return, the relaxed instruction.
void relaxInstruction(const MCInst &Inst, MCInst &Res) const {
}
-
+
/// @}
/// WriteNopData - Write an (optimal) nop sequence of Count bytes
case Mips::HWR29:
return 29;
case Mips::FP: case Mips::FP_64: case Mips::F30: case Mips::D30_64:
- case Mips::D15:
+ case Mips::D15:
return 30;
case Mips::RA: case Mips::RA_64: case Mips::F31: case Mips::D31_64:
return 31;
-//===- Mips.td - Describe the Mips Target Machine ----------*- tablegen -*-===//
+//===-- Mips.td - Describe the Mips Target Machine ---------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
}
/// Load and Store Instructions
-/// aligned
+/// aligned
defm LB64 : LoadM64<0x20, "lb", sextloadi8>;
defm LBu64 : LoadM64<0x24, "lbu", zextloadi8>;
defm LH64 : LoadM64<0x21, "lh", sextloadi16_a>;
// truncate
def : Pat<(i32 (trunc CPU64Regs:$src)),
(SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>, Requires<[IsN64]>;
-
+
// 32-to-64-bit extension
def : Pat<(i64 (anyext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
def : Pat<(i64 (zext CPURegs:$src)), (DSRL (DSLL64_32 CPURegs:$src), 32)>;
}
// Replace a ADDiu & SLL pair with a LUi.
-// e.g. the following two instructions
+// e.g. the following two instructions
// ADDiu 0x0111
// SLL 18
// are replaced with
// Set Insts to the shortest instruction sequence.
GetShortestSeq(SeqLs, Insts);
- return Insts;
+ return Insts;
}
void ReplaceADDiuSLLWithLUi(InstSeq &Seq);
/// GetShortestSeq - Find the shortest instruction sequence in SeqLs and
- /// return it in Insts.
+ /// return it in Insts.
void GetShortestSeq(InstSeqLs &SeqLs, InstSeq &Insts);
unsigned Size;
Opc == Mips::ULHu64 || Opc == Mips::USD || Opc == Mips::USW64 ||
Opc == Mips::USH64 ||
Opc == Mips::ULD_P8 || Opc == Mips::ULW64_P8 ||
- Opc == Mips::ULH64_P8 || Opc == Mips::ULHu64_P8 ||
+ Opc == Mips::ULH64_P8 || Opc == Mips::ULHu64_P8 ||
Opc == Mips::USD_P8 || Opc == Mips::USW64_P8 ||
Opc == Mips::USH64_P8;
}
MCInstLowering.LowerCPLOAD(MI, MCInsts);
else if (Opc == Mips::CPRESTORE)
MCInstLowering.LowerCPRESTORE(MI, MCInsts);
-
+
if (!MCInsts.empty()) {
for (SmallVector<MCInst, 4>::iterator I = MCInsts.begin();
I != MCInsts.end(); ++I)
unsigned returnReg = RI.getRARegister();
unsigned stackSize = MF->getFrameInfo()->getStackSize();
- if (OutStreamer.hasRawTextSupport())
+ if (OutStreamer.hasRawTextSupport())
OutStreamer.EmitRawText("\t.frame\t$" +
StringRef(MipsInstPrinter::getRegisterName(stackReg)).lower() +
"," + Twine(stackSize) + ",$" +
}
void MipsAsmPrinter::EmitFunctionEntryLabel() {
- if (OutStreamer.hasRawTextSupport())
+ if (OutStreamer.hasRawTextSupport())
OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
OutStreamer.EmitLabel(CurrentFnSym);
}
// If there isn't exactly one predecessor, it can't be a fall through.
MachineBasicBlock::const_pred_iterator PI = MBB->pred_begin(), PI2 = PI;
++PI2;
-
+
if (PI2 != MBB->pred_end())
- return false;
+ return false;
// The predecessor has to be immediately before this block.
if (!Pred->isLayoutSuccessor(MBB))
return false;
-
+
// If the block is completely empty, then it definitely does fall through.
if (Pred->empty())
return true;
-
+
// Otherwise, check the last instruction.
// Check if the last terminator is an unconditional branch.
MachineBasicBlock::const_iterator I = Pred->end();
raw_ostream &O) {
if (ExtraCode && ExtraCode[0])
return true; // Unknown modifier.
-
+
const MachineOperand &MO = MI->getOperand(OpNum);
assert(MO.isReg() && "unexpected inline asm memory operand");
O << "0($" << MipsInstPrinter::getRegisterName(MO.getReg()) << ")";
-//===- MipsCallingConv.td - Calling Conventions for Mips ---*- tablegen -*-===//
+//===-- MipsCallingConv.td - Calling Conventions for Mips --*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
def CC_MipsN : CallingConv<[
// Handles byval parameters.
CCIfByVal<CCCustom<"CC_Mips64Byval">>,
-
+
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
def CC_MipsN_VarArg : CallingConv<[
// Handles byval parameters.
CCIfByVal<CCCustom<"CC_Mips64Byval">>,
-
+
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
-//===- MipsCondMov.td - Describe Mips Conditional Moves ---*- tablegen -*--===//
+//===-- MipsCondMov.td - Describe Mips Conditional Moves --*- tablegen -*--===//
//
// The LLVM Compiler Infrastructure
//
if (EnableDelaySlotFiller && findDelayInstr(MBB, I, D)) {
MBB.splice(llvm::next(I), &MBB, D);
++UsefulSlots;
- } else
+ } else
BuildMI(MBB, llvm::next(I), I->getDebugLoc(), TII->get(Mips::NOP));
// Record the filler instruction that filled the delay slot.
return true;
// Loads or stores cannot be moved past a store to the delay slot
- // and stores cannot be moved past a load.
+ // and stores cannot be moved past a load.
if (candidate->mayLoad()) {
if (sawStore)
return true;
MCInstrDesc MCID = MI->getDesc();
unsigned e = MI->isCall() || MI->isReturn() ? MCID.getNumOperands() :
MI->getNumOperands();
-
- // Add RA to RegDefs to prevent users of RA from going into delay slot.
+
+ // Add RA to RegDefs to prevent users of RA from going into delay slot.
if (MI->isCall())
RegDefs.insert(Mips::RA);
if (MBB.isLandingPad()) {
// Find EH_LABEL first.
for (; I->getOpcode() != TargetOpcode::EH_LABEL; ++I) ;
-
+
// Insert lw.
++I;
DebugLoc dl = I != MBB.end() ? I->getDebugLoc() : DebugLoc();
.addImm(0);
Changed = true;
}
- }
+ }
return Changed;
}
const MCInstrDesc& MCid = I->getDesc();
switch(MCid.getOpcode()) {
- default:
+ default:
++I;
continue;
case Mips::SETGP2:
case Mips::ExtractElementF64:
ExpandExtractElementF64(MBB, I);
break;
- }
+ }
// delete original instr
MBB.erase(I++);
}
void MipsExpandPseudo::ExpandBuildPairF64(MachineBasicBlock& MBB,
- MachineBasicBlock::iterator I) {
+ MachineBasicBlock::iterator I) {
unsigned DstReg = I->getOperand(0).getReg();
unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg();
const MCInstrDesc& Mtc1Tdd = TII->get(Mips::MTC1);
BuildMI(MBB, I, dl, Mfc1Tdd, DstReg).addReg(*(SubReg + N));
}
-/// createMipsMipsExpandPseudoPass - Returns a pass that expands pseudo
+/// createMipsMipsExpandPseudoPass - Returns a pass that expands pseudo
/// instrs into real instrs
FunctionPass *llvm::createMipsExpandPseudoPass(MipsTargetMachine &tm) {
return new MipsExpandPseudo(tm);
MachineBasicBlock::iterator II, DebugLoc DL) {
unsigned LUi = IsN64 ? Mips::LUi64 : Mips::LUi;
unsigned ADDu = IsN64 ? Mips::DADDu : Mips::ADDu;
- unsigned ZEROReg = IsN64 ? Mips::ZERO_64 : Mips::ZERO;
+ unsigned ZEROReg = IsN64 ? Mips::ZERO_64 : Mips::ZERO;
unsigned ATReg = IsN64 ? Mips::AT_64 : Mips::AT;
MipsAnalyzeImmediate AnalyzeImm;
const MipsAnalyzeImmediate::InstSeq &Seq =
for (++Inst; Inst != Seq.end(); ++Inst)
BuildMI(MBB, II, DL, TII.get(Inst->Opc), ATReg).addReg(ATReg)
.addImm(SignExtend64<16>(Inst->ImmOpnd));
-
+
BuildMI(MBB, II, DL, TII.get(ADDu), Reg).addReg(Reg).addReg(ATReg);
BuildMI(MBB, II, DL, TII.get(Mips::ATMACRO));
}
// First, compute final stack size.
unsigned RegSize = STI.isGP32bit() ? 4 : 8;
unsigned StackAlign = getStackAlignment();
- unsigned LocalVarAreaOffset = MipsFI->needGPSaveRestore() ?
+ unsigned LocalVarAreaOffset = MipsFI->needGPSaveRestore() ?
(MFI->getObjectOffset(MipsFI->getGPFI()) + RegSize) :
MipsFI->getMaxCallFrameSize();
uint64_t StackSize = RoundUpToAlignment(LocalVarAreaOffset, StackAlign) +
RoundUpToAlignment(MFI->getStackSize(), StackAlign);
// Update stack size
- MFI->setStackSize(StackSize);
-
+ MFI->setStackSize(StackSize);
+
BuildMI(MBB, MBBI, dl, TII.get(Mips::NOREORDER));
BuildMI(MBB, MBBI, dl, TII.get(Mips::NOMACRO));
// register to the stack.
for (unsigned i = 0; i < CSI.size(); ++i)
++MBBI;
-
+
// Iterate over list of callee-saved registers and emit .cfi_offset
// directives.
MCSymbol *CSLabel = MMI.getContext().CreateTempSymbol();
BuildMI(MBB, MBBI, dl,
TII.get(TargetOpcode::PROLOG_LABEL)).addSym(CSLabel);
-
+
for (std::vector<CalleeSavedInfo>::const_iterator I = CSI.begin(),
E = CSI.end(); I != E; ++I) {
int64_t Offset = MFI->getObjectOffset(I->getFrameIdx());
Moves.push_back(MachineMove(CSLabel, DstML, SrcML));
}
}
- }
+ }
// if framepointer enabled, set it to point to the stack pointer.
if (hasFP(MF)) {
- // Insert instruction "move $fp, $sp" at this location.
+ // Insert instruction "move $fp, $sp" at this location.
BuildMI(MBB, MBBI, dl, TII.get(ADDu), FP).addReg(SP).addReg(ZERO);
- // emit ".cfi_def_cfa_register $fp"
+ // emit ".cfi_def_cfa_register $fp"
MCSymbol *SetFPLabel = MMI.getContext().CreateTempSymbol();
BuildMI(MBB, MBBI, dl,
TII.get(TargetOpcode::PROLOG_LABEL)).addSym(SetFPLabel);
if (hasFP(MF)) {
// Find the first instruction that restores a callee-saved register.
MachineBasicBlock::iterator I = MBBI;
-
+
for (unsigned i = 0; i < MFI->getCalleeSavedInfo().size(); ++i)
--I;
if (hasFP(MF))
MRI.setPhysRegUsed(FP);
- // The register allocator might determine $ra is used after seeing
+ // The register allocator might determine $ra is used after seeing
// instruction "jr $ra", but we do not want PrologEpilogInserter to insert
// instructions to save/restore $ra unless there is a function call.
// To correct this, $ra is explicitly marked unused if there is no
-//==--- MipsFrameLowering.h - Define frame lowering for Mips --*- C++ -*---===//
+//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// passes from moving them.
void MipsDAGToDAGISel::InitGlobalBaseReg(MachineFunction &MF) {
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
-
+
if (!MipsFI->globalBaseRegSet())
return;
else {
const TargetRegisterClass *RC;
RC = Subtarget.isABI_N64() ?
- Mips::CPU64RegsRegisterClass : Mips::CPURegsRegisterClass;
-
+ Mips::CPU64RegsRegisterClass : Mips::CPURegsRegisterClass;
+
V0 = RegInfo.createVirtualRegister(RC);
V1 = RegInfo.createVirtualRegister(RC);
}
BuildMI(MBB, I, DL, TII.get(Mips::SETGP2), GlobalBaseReg)
.addReg(Mips::T9);
}
- }
+ }
}
bool MipsDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
bool Ret = SelectionDAGISel::runOnMachineFunction(MF);
-
+
InitGlobalBaseReg(MF);
return Ret;
// lwc1 $f0, %lo($CPI1_0)($2)
if (Addr.getOperand(1).getOpcode() == MipsISD::Lo) {
SDValue LoVal = Addr.getOperand(1);
- if (isa<ConstantPoolSDNode>(LoVal.getOperand(0)) ||
+ if (isa<ConstantPoolSDNode>(LoVal.getOperand(0)) ||
isa<GlobalAddressSDNode>(LoVal.getOperand(0))) {
Base = Addr.getOperand(0);
Offset = LoVal.getOperand(0);
/// Select multiply instructions.
std::pair<SDNode*, SDNode*>
-MipsDAGToDAGISel::SelectMULT(SDNode *N, unsigned Opc, DebugLoc dl, EVT Ty,
+MipsDAGToDAGISel::SelectMULT(SDNode *N, unsigned Opc, DebugLoc dl, EVT Ty,
bool HasLo, bool HasHi) {
SDNode *Lo = 0, *Hi = 0;
SDNode *Mul = CurDAG->getMachineNode(Opc, dl, MVT::Glue, N->getOperand(0),
if (HasHi)
Hi = CurDAG->getMachineNode(Ty == MVT::i32 ? Mips::MFHI : Mips::MFHI64, dl,
Ty, InFlag);
-
+
return std::make_pair(Lo, Hi);
}
const MipsAnalyzeImmediate::InstSeq &Seq =
AnalyzeImm.Analyze(Imm, Size, false);
-
+
MipsAnalyzeImmediate::InstSeq::const_iterator Inst = Seq.begin();
DebugLoc DL = CN->getDebugLoc();
SDNode *RegOpnd;
SrcReg = Mips::HWR29_64;
DestReg = Mips::V1_64;
}
-
+
SDNode *Rdhwr =
CurDAG->getMachineNode(RdhwrOpc, Node->getDebugLoc(),
Node->getValueType(0),
-//=== --MipsISelLowering.cpp - Mips DAG Lowering Implementation -----------===//
+//===-- MipsISelLowering.cpp - Mips DAG Lowering Implementation -----------===//
//
// The LLVM Compiler Infrastructure
//
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
-// If I is a shifted mask, set the size (Size) and the first bit of the
+// If I is a shifted mask, set the size (Size) and the first bit of the
// mask (Pos), and return true.
-// For example, if I is 0x003ff800, (Pos, Size) = (11, 11).
+// For example, if I is 0x003ff800, (Pos, Size) = (11, 11).
static bool IsShiftedMask(uint64_t I, uint64_t &Pos, uint64_t &Size) {
if (!isShiftedMask_64(I))
return false;
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
setOperationAction(ISD::MEMBARRIER, MVT::Other, Custom);
- setOperationAction(ISD::ATOMIC_FENCE, MVT::Other, Custom);
+ setOperationAction(ISD::ATOMIC_FENCE, MVT::Other, Custom);
- setOperationAction(ISD::ATOMIC_LOAD, MVT::i32, Expand);
- setOperationAction(ISD::ATOMIC_LOAD, MVT::i64, Expand);
- setOperationAction(ISD::ATOMIC_STORE, MVT::i32, Expand);
- setOperationAction(ISD::ATOMIC_STORE, MVT::i64, Expand);
+ setOperationAction(ISD::ATOMIC_LOAD, MVT::i32, Expand);
+ setOperationAction(ISD::ATOMIC_LOAD, MVT::i64, Expand);
+ setOperationAction(ISD::ATOMIC_STORE, MVT::i32, Expand);
+ setOperationAction(ISD::ATOMIC_STORE, MVT::i64, Expand);
setInsertFencesForAtomic(true);
bool MipsTargetLowering::allowsUnalignedMemoryAccesses(EVT VT) const {
MVT::SimpleValueType SVT = VT.getSimpleVT().SimpleTy;
-
+
switch (SVT) {
case MVT::i64:
case MVT::i32:
return SDValue();
EVT Ty = N->getValueType(0);
- unsigned LO = (Ty == MVT::i32) ? Mips::LO : Mips::LO64;
- unsigned HI = (Ty == MVT::i32) ? Mips::HI : Mips::HI64;
+ unsigned LO = (Ty == MVT::i32) ? Mips::LO : Mips::LO64;
+ unsigned HI = (Ty == MVT::i32) ? Mips::HI : Mips::HI64;
unsigned opc = N->getOpcode() == ISD::SDIVREM ? MipsISD::DivRem :
MipsISD::DivRemU;
DebugLoc dl = N->getDebugLoc();
ConstantSDNode *CN;
if (!(CN = dyn_cast<ConstantSDNode>(ShiftRight.getOperand(1))))
return SDValue();
-
+
uint64_t Pos = CN->getZExtValue();
uint64_t SMPos, SMSize;
ShiftRight.getOperand(0), DAG.getConstant(Pos, MVT::i32),
DAG.getConstant(SMSize, MVT::i32));
}
-
+
static SDValue PerformORCombine(SDNode *N, SelectionDAG& DAG,
TargetLowering::DAGCombinerInfo &DCI,
const MipsSubtarget* Subtarget) {
// Pattern match INS.
// $dst = or (and $src1 , mask0), (and (shl $src, pos), mask1),
- // where mask1 = (2**size - 1) << pos, mask0 = ~mask1
+ // where mask1 = (2**size - 1) << pos, mask0 = ~mask1
// => ins $dst, $src, size, pos, $src1
if (DCI.isBeforeLegalizeOps() || !Subtarget->hasMips32r2())
return SDValue();
// See if Op's second operand matches (and (shl $src, pos), mask1).
if (And1.getOpcode() != ISD::AND)
return SDValue();
-
+
if (!(CN = dyn_cast<ConstantSDNode>(And1.getOperand(1))) ||
!IsShiftedMask(CN->getZExtValue(), SMPos1, SMSize1))
return SDValue();
unsigned Shamt = CN->getZExtValue();
// Return if the shift amount and the first bit position of mask are not the
- // same.
+ // same.
EVT ValTy = N->getValueType(0);
if ((Shamt != SMPos0) || (SMPos0 + SMSize0 > ValTy.getSizeInBits()))
return SDValue();
-
+
return DAG.getNode(MipsISD::Ins, N->getDebugLoc(), ValTy, Shl.getOperand(0),
DAG.getConstant(SMPos0, MVT::i32),
DAG.getConstant(SMSize0, MVT::i32), And0.getOperand(0));
}
-
+
SDValue MipsTargetLowering::PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI)
const {
SelectionDAG &DAG = DCI.DAG;
// and newval, incr2, mask
BuildMI(BB, dl, TII->get(Mips::AND), NewVal).addReg(Incr2).addReg(Mask);
}
-
+
BuildMI(BB, dl, TII->get(Mips::AND), MaskedOldVal0)
.addReg(OldVal).addReg(Mask2);
BuildMI(BB, dl, TII->get(Mips::OR), StoreVal)
SelectionDAG &DAG) const {
// FIXME there isn't actually debug info here
DebugLoc dl = Op.getDebugLoc();
- const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
SDVTList VTs = DAG.getVTList(MVT::i32);
Entry.Node = Argument;
Entry.Ty = PtrTy;
Args.push_back(Entry);
-
+
std::pair<SDValue, SDValue> CallResult =
LowerCallTo(DAG.getEntryNode(), PtrTy,
false, false, false, false, 0, CallingConv::C,
return DAG.getStore(Op.getOperand(0), dl, FI, Op.getOperand(1),
MachinePointerInfo(SV), false, false, 0);
}
-
+
// Called if the size of integer registers is large enough to hold the whole
// floating point number.
static SDValue LowerFCOPYSIGNLargeIntReg(SDValue Op, SelectionDAG &DAG) {
if (Ty == MVT::f32 || HasMips64)
return LowerFCOPYSIGNLargeIntReg(Op, DAG);
-
+
return LowerFCOPYSIGNSmallIntReg(Op, DAG, Subtarget->isLittle());
}
assert(Align <= 16 && "Cannot handle alignments larger than 16.");
- // If byval is 16-byte aligned, the first arg register must be even.
+ // If byval is 16-byte aligned, the first arg register must be even.
if ((Align == 16) && (FirstIdx % 2)) {
State.AllocateReg(Mips64IntRegs[FirstIdx], Mips64DPRegs[FirstIdx]);
++FirstIdx;
// Allocate space on caller's stack.
unsigned Offset = State.AllocateStack(Size, Align);
-
+
if (FirstIdx < 8)
State.addLoc(CCValAssign::getReg(ValNo, ValVT, Mips64IntRegs[FirstIdx],
- LocVT, LocInfo));
+ LocVT, LocInfo));
else
State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
R = CC_MipsN(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, CCInfo);
else
R = CC_MipsN_VarArg(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, CCInfo);
-
+
if (R) {
#ifndef NDEBUG
dbgs() << "Call operand #" << i << " has unhandled type "
// Read second subword if necessary.
if (RemainingSize != 0) {
assert(RemainingSize == 1 && "There must be one byte remaining.");
- LoadPtr = DAG.getNode(ISD::ADD, dl, MVT::i32, Arg,
+ LoadPtr = DAG.getNode(ISD::ADD, dl, MVT::i32, Arg,
DAG.getConstant(Offset, MVT::i32));
unsigned Alignment = std::min(ByValAlign, (unsigned )2);
SDValue Subword = DAG.getExtLoad(ISD::ZEXTLOAD, dl, MVT::i32, Chain,
RegsToPass.push_back(std::make_pair(*Reg, LoadVal));
}
- // Return if the struct has been fully copied.
+ // Return if the struct has been fully copied.
if (!(MemCpySize = ByValSize - Offset))
return;
if (RemSize < LoadSize)
continue;
-
+
SDValue LoadPtr = DAG.getNode(ISD::ADD, dl, PtrTy, Arg,
DAG.getConstant(Offset, PtrTy));
- SDValue LoadVal =
+ SDValue LoadVal =
DAG.getExtLoad(ISD::ZEXTLOAD, dl, MVT::i64, Chain, LoadPtr,
MachinePointerInfo(), MVT::getIntegerVT(LoadSize * 8),
false, false, Alignment);
unsigned Shamt = isLittle ? OffsetDW : 64 - (OffsetDW + LoadSize * 8);
SDValue Shift = DAG.getNode(ISD::SHL, dl, MVT::i64, LoadVal,
DAG.getConstant(Shamt, MVT::i32));
-
+
Val = Val.getNode() ? DAG.getNode(ISD::OR, dl, MVT::i64, Val, Shift) :
Shift;
Offset += LoadSize;
Alignment = std::min(Alignment, LoadSize);
}
-
+
RegsToPass.push_back(std::make_pair(*Reg, Val));
return;
}
Subtarget->isLittle());
else
PassByValArg64(ByValChain, Chain, dl, RegsToPass, MemOpChains, LastFI,
- MFI, DAG, Arg, VA, Flags, getPointerTy(),
+ MFI, DAG, Arg, VA, Flags, getPointerTy(),
Subtarget->isLittle());
continue;
}
-
+
// Promote the value if needed.
switch (VA.getLocInfo()) {
default: llvm_unreachable("Unknown loc info!");
Arg, DAG.getConstant(1, MVT::i32));
if (!Subtarget->isLittle())
std::swap(Lo, Hi);
- unsigned LocRegLo = VA.getLocReg();
+ unsigned LocRegLo = VA.getLocReg();
unsigned LocRegHigh = getNextIntArgReg(LocRegLo);
RegsToPass.push_back(std::make_pair(LocRegLo, Lo));
RegsToPass.push_back(std::make_pair(LocRegHigh, Hi));
}
}
- // T9 should contain the address of the callee function if
+ // T9 should contain the address of the callee function if
// -reloction-model=pic or it is an indirect call.
if (IsPICCall || !GlobalOrExternal) {
// copy to T9
false, 0);
OutChains.push_back(Store);
}
-
+
return LastFI;
}
unsigned MipsTargetLowering::getJumpTableEncoding() const {
if (IsN64)
return MachineJumpTableInfo::EK_GPRel64BlockAddress;
-
+
return TargetLowering::getJumpTableEncoding();
}
private:
// Subtarget Info
const MipsSubtarget *Subtarget;
-
+
bool HasMips64, IsN64, IsO32;
// Lower Operand helpers
-//===- MipsInstrFPU.td - Mips FPU Instruction Information --*- tablegen -*-===//
+//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
}
let Predicates = [HasMips32r2, NotMips64] in {
- def LDXC1 : FPIdxLoad<0x1, "ldxc1", AFGR64, CPURegs, load_a>;
+ def LDXC1 : FPIdxLoad<0x1, "ldxc1", AFGR64, CPURegs, load_a>;
def SDXC1 : FPIdxStore<0x9, "sdxc1", AFGR64, CPURegs, store_a>;
}
let Predicates = [HasMips64, NotN64] in {
- def LDXC164 : FPIdxLoad<0x1, "ldxc1", FGR64, CPURegs, load_a>;
+ def LDXC164 : FPIdxLoad<0x1, "ldxc1", FGR64, CPURegs, load_a>;
def SDXC164 : FPIdxStore<0x9, "sdxc1", FGR64, CPURegs, store_a>;
}
let Predicates = [IsN64] in {
def LWXC1_P8 : FPIdxLoad<0x0, "lwxc1", FGR32, CPU64Regs, load_a>;
def LUXC1_P8 : FPIdxLoad<0x5, "luxc1", FGR32, CPU64Regs, load_u>;
- def LDXC164_P8 : FPIdxLoad<0x1, "ldxc1", FGR64, CPU64Regs, load_a>;
+ def LDXC164_P8 : FPIdxLoad<0x1, "ldxc1", FGR64, CPU64Regs, load_a>;
def SWXC1_P8 : FPIdxStore<0x8, "swxc1", FGR32, CPU64Regs, store_a>;
def SUXC1_P8 : FPIdxStore<0xd, "suxc1", FGR32, CPU64Regs, store_u>;
def SDXC164_P8 : FPIdxStore<0x9, "sdxc1", FGR64, CPU64Regs, store_a>;
-//===- MipsInstrFormats.td - Mips Instruction Formats ------*- tablegen -*-===//
+//===-- MipsInstrFormats.td - Mips Instruction Formats -----*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
RI(*TM.getSubtargetImpl(), *this),
UncondBrOpc(TM.getRelocationModel() == Reloc::PIC_ ? Mips::B : Mips::J) {}
-const MipsRegisterInfo &MipsInstrInfo::getRegisterInfo() const {
+const MipsRegisterInfo &MipsInstrInfo::getRegisterInfo() const {
return RI;
}
assert(Opc && "Cannot copy registers");
MachineInstrBuilder MIB = BuildMI(MBB, I, DL, get(Opc));
-
+
if (DestReg)
MIB.addReg(DestReg, RegState::Define);
MachineFunction &MF = *MBB.getParent();
MachineFrameInfo &MFI = *MF.getFrameInfo();
unsigned Align = MFI.getObjectAlignment(FI);
-
+
return MF.getMachineMemOperand(MachinePointerInfo::getFixedStack(FI), Flag,
MFI.getObjectSize(FI), Align);
}
SmallVectorImpl<MachineOperand>& Cond) {
assert(GetAnalyzableBrOpc(Opc) && "Not an analyzable branch");
int NumOp = Inst->getNumExplicitOperands();
-
+
// for both int and fp branches, the last explicit operand is the
// MBB.
BB = Inst->getOperand(NumOp-1).getMBB();
FBB = LastInst->getOperand(0).getMBB();
return false;
-}
-
+}
+
void MipsInstrInfo::BuildCondBr(MachineBasicBlock &MBB,
MachineBasicBlock *TBB, DebugLoc DL,
const SmallVectorImpl<MachineOperand>& Cond)
-//===- MipsInstrInfo.h - Mips Instruction Information -----------*- C++ -*-===//
+//===-- MipsInstrInfo.h - Mips Instruction Information ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// target constant nodes that would otherwise remain unchanged with ADDiu
// nodes. Without these wrapper node patterns, the following conditional move
// instrucion is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
-// compiled:
+// compiled:
// movn %got(d)($gp), %got(c)($gp), $4
// This instruction is illegal since movn can take only register operands.
Requires<[NotN64]>;
def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
Requires<[IsN64]>;
-}
+}
// 64-bit load.
multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
Requires<[NotN64]>;
def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
Requires<[IsN64]>;
-}
+}
// 32-bit load.
multiclass LoadUnAlign32<bits<6> op> {
let isTerminator=1;
let isBarrier=1;
let hasDelaySlot = 1;
- let Predicates = [RelocStatic];
+ let Predicates = [RelocStatic];
}
// Unconditional branch
let isTerminator = 1;
let isBarrier = 1;
let hasDelaySlot = 1;
- let Predicates = [RelocPIC];
+ let Predicates = [RelocPIC];
}
let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1,
// Ext and Ins
class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
+ FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
!strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
[(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$sz))], NoItinerary> {
bits<5> pos;
def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
// bswap pattern
-def : Pat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
+def : Pat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
//===----------------------------------------------------------------------===//
// Floating Point Support
default:
llvm_unreachable("<unknown operand type>");
}
-
+
const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Symbol, Kind, Ctx);
if (!Offset)
// Assume offset is never negative.
assert(Offset > 0);
-
+
const MCConstantExpr *OffsetExpr = MCConstantExpr::Create(Offset, Ctx);
const MCBinaryExpr *AddExpr = MCBinaryExpr::CreateAdd(MCSym, OffsetExpr, Ctx);
return MCOperand::CreateExpr(AddExpr);
MCInst Sw;
if (Offset >= 0x8000) {
- unsigned Hi = (Offset >> 16) + ((Offset & 0x8000) != 0);
+ unsigned Hi = (Offset >> 16) + ((Offset & 0x8000) != 0);
Offset &= 0xffff;
Reg = Mips::AT;
MCInsts[1].addOperand(MCOperand::CreateReg(Mips::AT));
MCInsts[1].addOperand(MCOperand::CreateReg(Mips::SP));
}
-
+
Sw.setOpcode(Mips::SW);
Sw.addOperand(MCOperand::CreateReg(Mips::GP));
Sw.addOperand(MCOperand::CreateReg(Reg));
}
MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO,
- unsigned offset) const {
+ unsigned offset) const {
MachineOperandType MOTy = MO.getType();
-
+
switch (MOTy) {
default: llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.setOpcode(MI->getOpcode());
-
+
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI->getOperand(i);
MCOperand MCOp = LowerOperand(MO);
}
void MipsMCInstLower::LowerUnalignedLoadStore(const MachineInstr *MI,
- SmallVector<MCInst,
- 4>& MCInsts) {
+ SmallVector<MCInst,
+ 4>& MCInsts) {
unsigned Opc = MI->getOpcode();
MCInst Instr1, Instr2, Instr3, Move;
class MachineFunction;
class Mangler;
class MipsAsmPrinter;
-
+
/// MipsMCInstLower - This class is used to lower an MachineInstr into an
// MCInst.
class LLVM_LIBRARY_VISIBILITY MipsMCInstLower {
MipsAsmPrinter &AsmPrinter;
public:
MipsMCInstLower(Mangler *mang, const MachineFunction &MF,
- MipsAsmPrinter &asmprinter);
+ MipsAsmPrinter &asmprinter);
void Lower(const MachineInstr *MI, MCInst &OutMI) const;
void LowerCPLOAD(const MachineInstr *MI, SmallVector<MCInst, 4>& MCInsts);
- void LowerCPRESTORE(const MachineInstr *MI, SmallVector<MCInst, 4>& MCInsts);
+ void LowerCPRESTORE(const MachineInstr *MI, SmallVector<MCInst, 4>& MCInsts);
void LowerUnalignedLoadStore(const MachineInstr *MI,
SmallVector<MCInst, 4>& MCInsts);
void LowerSETGP01(const MachineInstr *MI, SmallVector<MCInst, 4>& MCInsts);
const TargetRegisterClass *RC;
RC = ST.isABI_N64() ?
Mips::CPU64RegsRegisterClass : Mips::CPURegsRegisterClass;
-
+
return GlobalBaseReg = MF.getRegInfo().createVirtualRegister(RC);
}
// InArgFIRange: Range of indices of all frame objects created during call to
// LowerFormalArguments.
// OutArgFIRange: Range of indices of all frame objects created during call to
- // LowerCall except for the frame object for restoring $gp.
+ // LowerCall except for the frame object for restoring $gp.
std::pair<int, int> InArgFIRange, OutArgFIRange;
- int GPFI; // Index of the frame object for restoring $gp
- mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
+ int GPFI; // Index of the frame object for restoring $gp
+ mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
unsigned MaxCallFrameSize;
public:
}
void setLastInArgFI(int FI) { InArgFIRange.second = FI; }
- bool isOutArgFI(int FI) const {
+ bool isOutArgFI(int FI) const {
return FI <= OutArgFIRange.first && FI >= OutArgFIRange.second;
}
void extendOutArgFIRange(int FirstFI, int LastFI) {
return Mips32CalleeSavedRegs;
else if (Subtarget.isABI_N32())
return N32CalleeSavedRegs;
-
+
assert(Subtarget.isABI_N64());
- return N64CalleeSavedRegs;
+ return N64CalleeSavedRegs;
}
BitVector MipsRegisterInfo::
getReservedRegs(const MachineFunction &MF) const {
static const unsigned ReservedCPURegs[] = {
- Mips::ZERO, Mips::AT, Mips::K0, Mips::K1,
+ Mips::ZERO, Mips::AT, Mips::K0, Mips::K1,
Mips::SP, Mips::FP, Mips::RA
};
static const unsigned ReservedCPU64Regs[] = {
- Mips::ZERO_64, Mips::AT_64, Mips::K0_64, Mips::K1_64,
+ Mips::ZERO_64, Mips::AT_64, Mips::K0_64, Mips::K1_64,
Mips::SP_64, Mips::FP_64, Mips::RA_64
};
Reg != Mips::FGR64RegisterClass->end(); ++Reg)
Reserved.set(*Reg);
}
-
- // If GP is dedicated as a global base register, reserve it.
+
+ // If GP is dedicated as a global base register, reserve it.
if (MF.getInfo<MipsFunctionInfo>()->globalBaseRegFixed()) {
Reserved.set(Mips::GP);
Reserved.set(Mips::GP_64);
// 1. Outgoing arguments.
// 2. Pointer to dynamically allocated stack space.
// 3. Locations for callee-saved registers.
- // Everything else is referenced relative to whatever register
+ // Everything else is referenced relative to whatever register
// getFrameRegister() returns.
unsigned FrameReg;
(FrameIndex >= MinCSFI && FrameIndex <= MaxCSFI))
FrameReg = Subtarget.isABI_N64() ? Mips::SP_64 : Mips::SP;
else
- FrameReg = getFrameRegister(MF);
-
+ FrameReg = getFrameRegister(MF);
+
// Calculate final offset.
// - There is no need to change the offset if the frame object is one of the
// following: an outgoing argument, pointer to a dynamically allocated
// stack space or a $gp restore location,
// - If the frame object is any of the following, its offset must be adjusted
// by adding the size of the stack:
- // incoming argument, callee-saved register location or local variable.
+ // incoming argument, callee-saved register location or local variable.
int64_t Offset;
if (MipsFI->isOutArgFI(FrameIndex) || MipsFI->isGPFI(FrameIndex) ||
DEBUG(errs() << "Offset : " << Offset << "\n" << "<--------->\n");
// If MI is not a debug value, make sure Offset fits in the 16-bit immediate
- // field.
+ // field.
if (!MI.isDebugValue() && !isInt<16>(Offset)) {
MachineBasicBlock &MBB = *MI.getParent();
DebugLoc DL = II->getDebugLoc();
unsigned Size = Subtarget.isABI_N64() ? 64 : 32;
unsigned LUi = Subtarget.isABI_N64() ? Mips::LUi64 : Mips::LUi;
unsigned ADDu = Subtarget.isABI_N64() ? Mips::DADDu : Mips::ADDu;
- unsigned ZEROReg = Subtarget.isABI_N64() ? Mips::ZERO_64 : Mips::ZERO;
+ unsigned ZEROReg = Subtarget.isABI_N64() ? Mips::ZERO_64 : Mips::ZERO;
unsigned ATReg = Subtarget.isABI_N64() ? Mips::AT_64 : Mips::AT;
const MipsAnalyzeImmediate::InstSeq &Seq =
AnalyzeImm.Analyze(Offset, Size, true /* LastInstrIsADDiu */);
-//===- MipsRegisterInfo.h - Mips Register Information Impl ------*- C++ -*-===//
+//===-- MipsRegisterInfo.h - Mips Register Information Impl -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
-//===- MipsRelocations.h - Mips Code Relocations ---------------*- C++ -*-===//
+//===-- MipsRelocations.h - Mips Code Relocations ---------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
-//===---------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
//
// This file defines the Mips target-specific relocation types
// (for relocation-model=static).
//
-//===---------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
#ifndef MIPSRELOCATIONS_H_
#define MIPSRELOCATIONS_H_
-//===- MipsSchedule.td - Mips Scheduling Definitions -------*- tablegen -*-===//
+//===-- MipsSchedule.td - Mips Scheduling Definitions ------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, bool little) :
MipsGenSubtargetInfo(TT, CPU, FS),
- MipsArchVersion(Mips32), MipsABI(UnknownABI), IsLittle(little),
+ MipsArchVersion(Mips32), MipsABI(UnknownABI), IsLittle(little),
IsSingleFloat(false), IsFP64bit(false), IsGP64bit(false), HasVFPU(false),
IsLinux(true), HasSEInReg(false), HasCondMov(false), HasMulDivAdd(false),
HasMinMax(false), HasSwap(false), HasBitCount(false)
// Set MipsABI if it hasn't been set yet.
if (MipsABI == UnknownABI)
- MipsABI = hasMips64() ? N64 : O32;
+ MipsABI = hasMips64() ? N64 : O32;
// Check if Architecture and ABI are compatible.
assert(((!hasMips64() && (isABI_O32() || isABI_EABI())) ||
-//=====-- MipsSubtarget.h - Define Subtarget for the Mips -----*- C++ -*--====//
+//===-- MipsSubtarget.h - Define Subtarget for the Mips ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
projects / oota-llvm.git / commitdiff