X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.cpp;h=ad3eb9e77da771f45de5e1b131f16a350578bd21;hb=bb811a244567aa8a1522203f15588f4d001b7353;hp=b4ca963478f638e0b3bda5e2b3973319fd759222;hpb=d2947ee33e810b24a016b944b375d34910f8f5dd;p=oota-llvm.git diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp index b4ca963478f..ad3eb9e77da 100644 --- a/lib/Target/Mips/MipsTargetMachine.cpp +++ b/lib/Target/Mips/MipsTargetMachine.cpp @@ -12,77 +12,55 @@ //===----------------------------------------------------------------------===// #include "Mips.h" -#include "MipsTargetAsmInfo.h" +#include "MipsMCAsmInfo.h" #include "MipsTargetMachine.h" -#include "llvm/Module.h" #include "llvm/PassManager.h" -#include "llvm/Target/TargetMachineRegistry.h" +#include "llvm/Target/TargetRegistry.h" using namespace llvm; -// Register the target. -static RegisterTarget X("mips", " Mips"); -static RegisterTarget Y("mipsel", " Mipsel"); - -const TargetAsmInfo *MipsTargetMachine:: -createTargetAsmInfo() const -{ - return new MipsTargetAsmInfo(*this); +extern "C" void LLVMInitializeMipsTarget() { + // Register the target. + RegisterTargetMachine X(TheMipsTarget); + RegisterTargetMachine Y(TheMipselTarget); + RegisterAsmInfo A(TheMipsTarget); + RegisterAsmInfo B(TheMipselTarget); } // 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, so StackGrowsUp is used. -// When using CodeModel::Large the behaviour -// +// 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") : - std::string("E-p:32:32:32")), +MipsTargetMachine(const Target &T, const std::string &TT, const std::string &FS, + bool isLittle=false): + LLVMTargetMachine(T, TT), + Subtarget(TT, FS, isLittle), + DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32-n32") : + std::string("E-p:32:32:32-i8:8:32-i16:16:32-n32")), InstrInfo(*this), FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0), - TLInfo(*this) -{ - if (getRelocationModel() != Reloc::Static) - setRelocationModel(Reloc::PIC_); - if (getCodeModel() == CodeModel::Default) - setCodeModel(CodeModel::Small); + TLInfo(*this), TSInfo(*this) { + // Abicall enables PIC by default + if (getRelocationModel() == Reloc::Default) { + if (Subtarget.isABI_O32()) + setRelocationModel(Reloc::PIC_); + else + setRelocationModel(Reloc::Static); + } } 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; - - return 0; -} - -// return 0 and must specify -march to gen MIPSel code. -unsigned MipselTargetMachine:: -getModuleMatchQuality(const Module &M) -{ - // We strongly match "mipsel-*". - std::string TT = M.getTargetTriple(); - if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-") - return 20; - - return 0; -} +MipselTargetMachine(const Target &T, const std::string &TT, + const std::string &FS) : + MipsTargetMachine(T, TT, FS, true) {} // Install an instruction selector pass using // the ISelDag to gen Mips code. bool MipsTargetMachine:: -addInstSelector(PassManagerBase &PM, bool Fast) +addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { PM.add(createMipsISelDag(*this)); return false; @@ -92,19 +70,8 @@ addInstSelector(PassManagerBase &PM, bool Fast) // machine code is emitted. return true if -print-machineinstrs should // print out the code after the passes. bool MipsTargetMachine:: -addPreEmitPass(PassManagerBase &PM, bool Fast) +addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { PM.add(createMipsDelaySlotFillerPass(*this)); return true; } - -// Implements the AssemblyEmitter for the target. Must return -// true if AssemblyEmitter is supported -bool MipsTargetMachine:: -addAssemblyEmitter(PassManagerBase &PM, bool Fast, - std::ostream &Out) -{ - // Output assembly language. - PM.add(createMipsCodePrinterPass(Out, *this)); - return false; -}