diff options
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC')
13 files changed, 130 insertions, 53 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp index f3dddce..1d9c064 100644 --- a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp +++ b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp @@ -12,10 +12,14 @@ //===----------------------------------------------------------------------===// #include "PPCMCAsmInfo.h" +#include "llvm/ADT/Triple.h" + using namespace llvm; void PPCMCAsmInfoDarwin::anchor() { } +/// This version of the constructor is here to maintain ABI compatibility with +/// LLVM 3.4.0 PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) { if (is64Bit) { PointerSize = CalleeSaveStackSlotSize = 8; @@ -32,6 +36,28 @@ PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) { SupportsDebugInformation= true; // Debug information. } +PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) { + if (is64Bit) { + PointerSize = CalleeSaveStackSlotSize = 8; + } + IsLittleEndian = false; + + CommentString = ";"; + ExceptionsType = ExceptionHandling::DwarfCFI; + + if (!is64Bit) + Data64bitsDirective = 0; // We can't emit a 64-bit unit in PPC32 mode. + + AssemblerDialect = 1; // New-Style mnemonics. + SupportsDebugInformation= true; // Debug information. + + // old assembler lacks some directives + // FIXME: this should really be a check on the assembler characteristics + // rather than OS version + if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6)) + HasWeakDefCanBeHiddenDirective = false; +} + void PPCLinuxMCAsmInfo::anchor() { } PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) { diff --git a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h index 1530e77..633970c 100644 --- a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h +++ b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h @@ -18,11 +18,15 @@ #include "llvm/MC/MCAsmInfoELF.h" namespace llvm { +class Triple; class PPCMCAsmInfoDarwin : public MCAsmInfoDarwin { virtual void anchor(); public: + /// This version of the constructor is here to maintain ABI compatibility + /// with LLVM 3.4.0. explicit PPCMCAsmInfoDarwin(bool is64Bit); + explicit PPCMCAsmInfoDarwin(bool is64Bit, const Triple&); }; class PPCLinuxMCAsmInfo : public MCAsmInfoELF { diff --git a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp index f18d095..6a50518 100644 --- a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp +++ b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp @@ -72,7 +72,7 @@ static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) { MCAsmInfo *MAI; if (TheTriple.isOSDarwin()) - MAI = new PPCMCAsmInfoDarwin(isPPC64); + MAI = new PPCMCAsmInfoDarwin(isPPC64, TheTriple); else MAI = new PPCLinuxMCAsmInfo(isPPC64); diff --git a/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp index ada34ed..2d92a11 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp @@ -701,13 +701,6 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { return; } break; - case PPC::SYNC: - // In Book E sync is called msync, handle this special case here... - if (Subtarget.isBookE()) { - OutStreamer.EmitRawText(StringRef("\tmsync")); - return; - } - break; case PPC::LD: case PPC::STD: case PPC::LWA_32: diff --git a/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp index 4224ae2..e419b9b 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp @@ -186,6 +186,13 @@ bool PPCCTRLoops::runOnFunction(Function &F) { return MadeChange; } +static bool isLargeIntegerTy(bool Is32Bit, Type *Ty) { + if (IntegerType *ITy = dyn_cast<IntegerType>(Ty)) + return ITy->getBitWidth() > (Is32Bit ? 32 : 64); + + return false; +} + bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { for (BasicBlock::iterator J = BB->begin(), JE = BB->end(); J != JE; ++J) { @@ -352,13 +359,11 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) { CastInst *CI = cast<CastInst>(J); if (CI->getSrcTy()->getScalarType()->isPPC_FP128Ty() || CI->getDestTy()->getScalarType()->isPPC_FP128Ty() || - (TT.isArch32Bit() && - (CI->getSrcTy()->getScalarType()->isIntegerTy(64) || - CI->getDestTy()->getScalarType()->isIntegerTy(64)) - )) + isLargeIntegerTy(TT.isArch32Bit(), CI->getSrcTy()->getScalarType()) || + isLargeIntegerTy(TT.isArch32Bit(), CI->getDestTy()->getScalarType())) return true; - } else if (TT.isArch32Bit() && - J->getType()->getScalarType()->isIntegerTy(64) && + } else if (isLargeIntegerTy(TT.isArch32Bit(), + J->getType()->getScalarType()) && (J->getOpcode() == Instruction::UDiv || J->getOpcode() == Instruction::SDiv || J->getOpcode() == Instruction::URem || diff --git a/contrib/llvm/lib/Target/PowerPC/PPCFastISel.cpp b/contrib/llvm/lib/Target/PowerPC/PPCFastISel.cpp index 09117e7..4e3b0b8 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCFastISel.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCFastISel.cpp @@ -892,11 +892,13 @@ unsigned PPCFastISel::PPCMoveToFPReg(MVT SrcVT, unsigned SrcReg, unsigned LoadOpc = PPC::LFD; if (SrcVT == MVT::i32) { - Addr.Offset = 4; - if (!IsSigned) + if (!IsSigned) { LoadOpc = PPC::LFIWZX; - else if (PPCSubTarget.hasLFIWAX()) + Addr.Offset = 4; + } else if (PPCSubTarget.hasLFIWAX()) { LoadOpc = PPC::LFIWAX; + Addr.Offset = 4; + } } const TargetRegisterClass *RC = &PPC::F8RCRegClass; diff --git a/contrib/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/contrib/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index 6ba6af6..d25762a 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -261,11 +261,11 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() { DebugLoc dl; if (PPCLowering.getPointerTy() == MVT::i32) { - GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRCRegClass); + GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRC_NOR0RegClass); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg); } else { - GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RCRegClass); + GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RC_NOX0RegClass); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR8)); BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR8), GlobalBaseReg); } diff --git a/contrib/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/contrib/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 8da5f05..25a7ca7 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -2333,7 +2333,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4( EVT ObjType = (ObjSize == 1 ? MVT::i8 : (ObjSize == 2 ? MVT::i16 : MVT::i32)); Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN, - MachinePointerInfo(FuncArg, CurArgOffset), + MachinePointerInfo(FuncArg), ObjType, false, false, 0); } else { // For sizes that don't fit a truncating store (3, 5, 6, 7), @@ -2345,7 +2345,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4( int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset, true); SDValue FIN = DAG.getFrameIndex(FI, PtrVT); Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, - MachinePointerInfo(FuncArg, ArgOffset), + MachinePointerInfo(FuncArg), false, false, 0); } @@ -2369,7 +2369,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4( SDValue FIN = DAG.getFrameIndex(FI, PtrVT); SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT); SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, - MachinePointerInfo(FuncArg, ArgOffset), + MachinePointerInfo(FuncArg, j), false, false, 0); MemOps.push_back(Store); ++GPR_idx; @@ -2665,8 +2665,7 @@ PPCTargetLowering::LowerFormalArguments_Darwin( SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT); EVT ObjType = ObjSize == 1 ? MVT::i8 : MVT::i16; SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN, - MachinePointerInfo(FuncArg, - CurArgOffset), + MachinePointerInfo(FuncArg), ObjType, false, false, 0); MemOps.push_back(Store); ++GPR_idx; @@ -2690,7 +2689,7 @@ PPCTargetLowering::LowerFormalArguments_Darwin( SDValue FIN = DAG.getFrameIndex(FI, PtrVT); SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT); SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN, - MachinePointerInfo(FuncArg, ArgOffset), + MachinePointerInfo(FuncArg, j), false, false, 0); MemOps.push_back(Store); ++GPR_idx; diff --git a/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp index 315ad04..80bc27a 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -570,12 +570,14 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF, // update isStoreToStackSlot. DebugLoc DL; - if (PPC::GPRCRegClass.hasSubClassEq(RC)) { + if (PPC::GPRCRegClass.hasSubClassEq(RC) || + PPC::GPRC_NOR0RegClass.hasSubClassEq(RC)) { NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW)) .addReg(SrcReg, getKillRegState(isKill)), FrameIdx)); - } else if (PPC::G8RCRegClass.hasSubClassEq(RC)) { + } else if (PPC::G8RCRegClass.hasSubClassEq(RC) || + PPC::G8RC_NOX0RegClass.hasSubClassEq(RC)) { NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD)) .addReg(SrcReg, getKillRegState(isKill)), @@ -695,10 +697,12 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL, // Note: If additional load instructions are added here, // update isLoadFromStackSlot. - if (PPC::GPRCRegClass.hasSubClassEq(RC)) { + if (PPC::GPRCRegClass.hasSubClassEq(RC) || + PPC::GPRC_NOR0RegClass.hasSubClassEq(RC)) { NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LWZ), DestReg), FrameIdx)); - } else if (PPC::G8RCRegClass.hasSubClassEq(RC)) { + } else if (PPC::G8RCRegClass.hasSubClassEq(RC) || + PPC::G8RC_NOX0RegClass.hasSubClassEq(RC)) { NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LD), DestReg), FrameIdx)); } else if (PPC::F8RCRegClass.hasSubClassEq(RC)) { diff --git a/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.td b/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.td index 2bd3aad..fc29c69 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.td +++ b/contrib/llvm/lib/Target/PowerPC/PPCInstrInfo.td @@ -580,6 +580,7 @@ def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>; def In32BitMode : Predicate<"!PPCSubTarget.isPPC64()">; def In64BitMode : Predicate<"PPCSubTarget.isPPC64()">; def IsBookE : Predicate<"PPCSubTarget.isBookE()">; +def IsNotBookE : Predicate<"!PPCSubTarget.isBookE()">; //===----------------------------------------------------------------------===// // PowerPC Multiclass Definitions. @@ -1541,8 +1542,17 @@ def STMW : DForm_1<47, (outs), (ins gprc:$rS, memri:$dst), "stmw $rS, $dst", LdStLMW, []>; def SYNC : XForm_24_sync<31, 598, (outs), (ins i32imm:$L), - "sync $L", LdStSync, []>; -def : Pat<(int_ppc_sync), (SYNC 0)>; + "sync $L", LdStSync, []>, Requires<[IsNotBookE]>; + +let isCodeGenOnly = 1 in { + def MSYNC : XForm_24_sync<31, 598, (outs), (ins), + "msync", LdStSync, []>, Requires<[IsBookE]> { + let L = 0; + } +} + +def : Pat<(int_ppc_sync), (SYNC 0)>, Requires<[IsNotBookE]>; +def : Pat<(int_ppc_sync), (MSYNC)>, Requires<[IsBookE]>; //===----------------------------------------------------------------------===// // PPC32 Arithmetic Instructions. @@ -2284,7 +2294,8 @@ def : Pat<(f64 (extloadf32 xaddr:$src)), def : Pat<(f64 (fextend f32:$src)), (COPY_TO_REGCLASS $src, F8RC)>; -def : Pat<(atomic_fence (imm), (imm)), (SYNC 0)>; +def : Pat<(atomic_fence (imm), (imm)), (SYNC 0)>, Requires<[IsNotBookE]>; +def : Pat<(atomic_fence (imm), (imm)), (MSYNC)>, Requires<[IsBookE]>; // Additional FNMSUB patterns: -a*c + b == -(a*c - b) def : Pat<(fma (fneg f64:$A), f64:$C, f64:$B), @@ -2373,10 +2384,10 @@ class PPCAsmPseudo<string asm, dag iops> def : InstAlias<"sc", (SC 0)>; -def : InstAlias<"sync", (SYNC 0)>; -def : InstAlias<"msync", (SYNC 0)>; -def : InstAlias<"lwsync", (SYNC 1)>; -def : InstAlias<"ptesync", (SYNC 2)>; +def : InstAlias<"sync", (SYNC 0)>, Requires<[IsNotBookE]>; +def : InstAlias<"msync", (SYNC 0)>, Requires<[IsNotBookE]>; +def : InstAlias<"lwsync", (SYNC 1)>, Requires<[IsNotBookE]>; +def : InstAlias<"ptesync", (SYNC 2)>, Requires<[IsNotBookE]>; def : InstAlias<"wait", (WAIT 0)>; def : InstAlias<"waitrsv", (WAIT 1)>; diff --git a/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.td b/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.td index d566e2c..43663ce 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.td +++ b/contrib/llvm/lib/Target/PowerPC/PPCRegisterInfo.td @@ -144,6 +144,13 @@ def CR6 : CR<6, "cr6", [CR6LT, CR6GT, CR6EQ, CR6UN]>, DwarfRegNum<[74, 74]>; def CR7 : CR<7, "cr7", [CR7LT, CR7GT, CR7EQ, CR7UN]>, DwarfRegNum<[75, 75]>; } +// The full condition-code register. This is not modeled fully, but defined +// here primarily, for compatibility with gcc, to allow the inline asm "cc" +// clobber specification to work. +def CC : PPCReg<"cc">, DwarfRegAlias<CR0> { + let Aliases = [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7]; +} + // Link register def LR : SPR<8, "lr">, DwarfRegNum<[-2, 65]>; //let Aliases = [LR] in @@ -234,3 +241,8 @@ def VRSAVERC : RegisterClass<"PPC", [i32], 32, (add VRSAVE)>; def CARRYRC : RegisterClass<"PPC", [i32], 32, (add CARRY)> { let CopyCost = -1; } + +def CCRC : RegisterClass<"PPC", [i32], 32, (add CC)> { + let isAllocatable = 0; +} + diff --git a/contrib/llvm/lib/Target/PowerPC/PPCSubtarget.h b/contrib/llvm/lib/Target/PowerPC/PPCSubtarget.h index c863a6e..ec8c82a 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCSubtarget.h +++ b/contrib/llvm/lib/Target/PowerPC/PPCSubtarget.h @@ -126,22 +126,6 @@ public: /// selection. const InstrItineraryData &getInstrItineraryData() const { return InstrItins; } - /// getDataLayoutString - Return the pointer size and type alignment - /// properties of this subtarget. - const char *getDataLayoutString() const { - // Note, the alignment values for f64 and i64 on ppc64 in Darwin - // documentation are wrong; these are correct (i.e. "what gcc does"). - if (isPPC64() && isSVR4ABI()) { - if (TargetTriple.getOS() == llvm::Triple::FreeBSD) - return "E-p:64:64-f64:64:64-i64:64:64-v128:128:128-n32:64"; - else - return "E-p:64:64-f64:64:64-i64:64:64-f128:128:128-v128:128:128-n32:64"; - } - - return isPPC64() ? "E-p:64:64-f64:64:64-i64:64:64-f128:64:128-n32:64" - : "E-p:32:32-f64:64:64-i64:64:64-f128:64:128-n32"; - } - /// \brief Reset the features for the PowerPC target. virtual void resetSubtargetFeatures(const MachineFunction *MF); private: diff --git a/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp index 9acefe5..d6767d5 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp @@ -33,6 +33,43 @@ extern "C" void LLVMInitializePowerPCTarget() { RegisterTargetMachine<PPC64TargetMachine> C(ThePPC64LETarget); } +/// Return the datalayout string of a subtarget. +static std::string getDataLayoutString(const PPCSubtarget &ST) { + const Triple &T = ST.getTargetTriple(); + + // PPC is big endian + std::string Ret = "E"; + + // PPC64 has 64 bit pointers, PPC32 has 32 bit pointers. + if (ST.isPPC64()) + Ret += "-p:64:64"; + else + Ret += "-p:32:32"; + + // Note, the alignment values for f64 and i64 on ppc64 in Darwin + // documentation are wrong; these are correct (i.e. "what gcc does"). + if (ST.isPPC64() || ST.isSVR4ABI()) + Ret += "-f64:64:64-i64:64:64"; + else + Ret += "-f64:32:64"; + + // Set support for 128 floats depending on the ABI. + if (!ST.isPPC64() && ST.isSVR4ABI()) + Ret += "-f128:64:128"; + + // Some ABIs support 128 bit vectors. + if (ST.isPPC64() && ST.isSVR4ABI()) + Ret += "-v128:128:128"; + + // PPC64 has 32 and 64 bit register, PPC32 has only 32 bit ones. + if (ST.isPPC64()) + Ret += "-n32:64"; + else + Ret += "-n32"; + + return Ret; +} + PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS, const TargetOptions &Options, @@ -41,7 +78,7 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT, bool is64Bit) : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), Subtarget(TT, CPU, FS, is64Bit), - DL(Subtarget.getDataLayoutString()), InstrInfo(*this), + DL(getDataLayoutString(Subtarget)), InstrInfo(*this), FrameLowering(Subtarget), JITInfo(*this, is64Bit), TLInfo(*this), TSInfo(*this), InstrItins(Subtarget.getInstrItineraryData()) { |
