X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.cpp;h=b70542bccc711172bdb0759d5950bd8c51c8b93f;hb=10d5ff6b1dceec77c23cd200ef200e2e9dec4c85;hp=83b9b62e8ee86c6060ae383f75a88f1cc1a6a431;hpb=e8f1018130e24bd20d193003eddaa7e16e48d4bd;p=oota-llvm.git diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp index 83b9b62e8ee..b70542bccc7 100644 --- a/lib/Target/Mips/MipsTargetMachine.cpp +++ b/lib/Target/Mips/MipsTargetMachine.cpp @@ -11,131 +11,117 @@ // //===----------------------------------------------------------------------===// -#include "Mips.h" -#include "MipsTargetAsmInfo.h" #include "MipsTargetMachine.h" -#include "llvm/Module.h" +#include "Mips.h" +#include "MipsFrameLowering.h" +#include "MipsInstrInfo.h" #include "llvm/PassManager.h" -#include "llvm/Target/TargetMachineRegistry.h" +#include "llvm/CodeGen/Passes.h" +#include "llvm/Support/TargetRegistry.h" using namespace llvm; -/// MipsTargetMachineModule - Note that this is used on hosts that -/// cannot link in a library unless there are references into the -/// library. In particular, it seems that it is not possible to get -/// things to work on Win32 without this. Though it is unused, do not -/// remove it. -extern "C" int MipsTargetMachineModule; -int MipsTargetMachineModule = 0; - -// Register the target. -static RegisterTarget X("mips", "Mips"); -static RegisterTarget Y("mipsel", "Mipsel"); - -MipsTargetMachine::AsmPrinterCtorFn MipsTargetMachine::AsmPrinterCtor = 0; - - -// Force static initialization when called from llvm/InitializeAllTargets.h -namespace llvm { - void InitializeMipsTarget() { } -} - -const TargetAsmInfo *MipsTargetMachine:: -createTargetAsmInfo() const -{ - return new MipsTargetAsmInfo(*this); +extern "C" void LLVMInitializeMipsTarget() { + // Register the target. + RegisterTargetMachine X(TheMipsTarget); + RegisterTargetMachine Y(TheMipselTarget); + RegisterTargetMachine A(TheMips64Target); + RegisterTargetMachine B(TheMips64elTarget); } // DataLayout --> Big-endian, 32-bit pointer/ABI/alignment // The stack is always 8 byte aligned // On function prologue, the stack is created by decrementing // its pointer. Once decremented, all references are done with positive -// offset from the stack/frame pointer, using StackGrowsUp enables +// offset from the stack/frame pointer, using StackGrowsUp enables // an easier handling. // Using CodeModel::Large enables different CALL behavior. MipsTargetMachine:: -MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false): - Subtarget(*this, M, FS, isLittle), - DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32") : - std::string("E-p:32:32:32-i8:8:32-i16:16:32")), - InstrInfo(*this), - FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0), - TLInfo(*this) -{ - // Abicall enables PIC by default - if (Subtarget.hasABICall()) - setRelocationModel(Reloc::PIC_); - - // TODO: create an option to enable long calls, like -mlong-calls, - // that would be our CodeModel::Large. It must not work with Abicall. - if (getCodeModel() == CodeModel::Default) - setCodeModel(CodeModel::Small); +MipsTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL, + bool isLittle) + : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), + Subtarget(TT, CPU, FS, isLittle, RM), + DataLayout(isLittle ? + (Subtarget.isABI_N64() ? + "e-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-n32" : + "e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") : + (Subtarget.isABI_N64() ? + "E-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-n32" : + "E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")), + InstrInfo(MipsInstrInfo::create(*this)), + FrameLowering(MipsFrameLowering::create(*this, Subtarget)), + TLInfo(*this), TSInfo(*this), JITInfo(), + ELFWriterInfo(false, isLittle) { } -MipselTargetMachine:: -MipselTargetMachine(const Module &M, const std::string &FS) : - MipsTargetMachine(M, FS, true) {} - -// return 0 and must specify -march to gen MIPS code. -unsigned MipsTargetMachine:: -getModuleMatchQuality(const Module &M) -{ - // We strongly match "mips*-*". - std::string TT = M.getTargetTriple(); - if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-") - return 20; - - if (TT.size() >= 13 && std::string(TT.begin(), - TT.begin()+13) == "mipsallegrex-") - return 20; - - return 0; -} +void MipsebTargetMachine::anchor() { } + +MipsebTargetMachine:: +MipsebTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL) + : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {} + +void MipselTargetMachine::anchor() { } -// return 0 and must specify -march to gen MIPSEL code. -unsigned MipselTargetMachine:: -getModuleMatchQuality(const Module &M) -{ - // We strongly match "mips*el-*". - std::string TT = M.getTargetTriple(); - if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-") - return 20; - - if (TT.size() >= 15 && std::string(TT.begin(), - TT.begin()+15) == "mipsallegrexel-") - return 20; - - if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp") - return 20; - - return 0; +MipselTargetMachine:: +MipselTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL) + : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {} + +namespace { +/// Mips Code Generator Pass Configuration Options. +class MipsPassConfig : public TargetPassConfig { +public: + MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM) + : TargetPassConfig(TM, PM) {} + + MipsTargetMachine &getMipsTargetMachine() const { + return getTM(); + } + + const MipsSubtarget &getMipsSubtarget() const { + return *getMipsTargetMachine().getSubtargetImpl(); + } + + virtual bool addInstSelector(); + virtual bool addPreEmitPass(); +}; +} // namespace + +TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) { + return new MipsPassConfig(this, PM); } -// Install an instruction selector pass using +// Install an instruction selector pass using // the ISelDag to gen Mips code. -bool MipsTargetMachine:: -addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel) -{ - PM.add(createMipsISelDag(*this)); +bool MipsPassConfig::addInstSelector() { + addPass(createMipsISelDag(getMipsTargetMachine())); return false; } -// Implemented by targets that want to run passes immediately before -// machine code is emitted. return true if -print-machineinstrs should +// Implemented by targets that want to run passes immediately before +// machine code is emitted. return true if -print-machineinstrs should // print out the code after the passes. -bool MipsTargetMachine:: -addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel) -{ - PM.add(createMipsDelaySlotFillerPass(*this)); +bool MipsPassConfig::addPreEmitPass() { + MipsTargetMachine &TM = getMipsTargetMachine(); + addPass(createMipsDelaySlotFillerPass(TM)); + + // NOTE: long branch has not been implemented for mips16. + if (TM.getSubtarget().hasStandardEncoding()) + addPass(createMipsLongBranchPass(TM)); + return true; } -// Implements the AssemblyEmitter for the target. Must return -// true if AssemblyEmitter is supported -bool MipsTargetMachine:: -addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, - bool Verbose, raw_ostream &Out) { - // Output assembly language. - assert(AsmPrinterCtor && "AsmPrinter was not linked in"); - PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose)); +bool MipsTargetMachine::addCodeEmitter(PassManagerBase &PM, + JITCodeEmitter &JCE) { + // Machine code emitter pass for Mips. + PM.add(createMipsJITCodeEmitterPass(*this, JCE)); return false; }