diff options
Diffstat (limited to 'lib/Target/Mips/MipsTargetMachine.cpp')
-rw-r--r-- | lib/Target/Mips/MipsTargetMachine.cpp | 86 |
1 files changed, 7 insertions, 79 deletions
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp index 984c58e..425dbf1 100644 --- a/lib/Target/Mips/MipsTargetMachine.cpp +++ b/lib/Target/Mips/MipsTargetMachine.cpp @@ -45,93 +45,21 @@ extern "C" void LLVMInitializeMipsTarget() { RegisterTargetMachine<MipselTargetMachine> B(TheMips64elTarget); } -static std::string computeDataLayout(const MipsSubtarget &ST) { - std::string Ret = ""; - - // There are both little and big endian mips. - if (ST.isLittle()) - Ret += "e"; - else - Ret += "E"; - - Ret += "-m:m"; - - // Pointers are 32 bit on some ABIs. - if (!ST.isABI_N64()) - Ret += "-p:32:32"; - - // 8 and 16 bit integers only need no have natural alignment, but try to - // align them to 32 bits. 64 bit integers have natural alignment. - Ret += "-i8:8:32-i16:16:32-i64:64"; - - // 32 bit registers are always available and the stack is at least 64 bit - // aligned. On N64 64 bit registers are also available and the stack is - // 128 bit aligned. - if (ST.isABI_N64() || ST.isABI_N32()) - Ret += "-n32:64-S128"; - else - Ret += "-n32-S64"; - - return Ret; -} - // 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 // an easier handling. // Using CodeModel::Large enables different CALL behavior. -MipsTargetMachine:: -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, this), - DL(computeDataLayout(Subtarget)), - InstrInfo(MipsInstrInfo::create(*this)), - FrameLowering(MipsFrameLowering::create(*this, Subtarget)), - TLInfo(MipsTargetLowering::create(*this)), TSInfo(*this), - InstrItins(Subtarget.getInstrItineraryData()), JITInfo() { +MipsTargetMachine::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, this) { initAsmInfo(); } - -void MipsTargetMachine::setHelperClassesMips16() { - InstrInfoSE.swap(InstrInfo); - FrameLoweringSE.swap(FrameLowering); - TLInfoSE.swap(TLInfo); - if (!InstrInfo16) { - InstrInfo.reset(MipsInstrInfo::create(*this)); - FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget)); - TLInfo.reset(MipsTargetLowering::create(*this)); - } else { - InstrInfo16.swap(InstrInfo); - FrameLowering16.swap(FrameLowering); - TLInfo16.swap(TLInfo); - } - assert(TLInfo && "null target lowering 16"); - assert(InstrInfo && "null instr info 16"); - assert(FrameLowering && "null frame lowering 16"); -} - -void MipsTargetMachine::setHelperClassesMipsSE() { - InstrInfo16.swap(InstrInfo); - FrameLowering16.swap(FrameLowering); - TLInfo16.swap(TLInfo); - if (!InstrInfoSE) { - InstrInfo.reset(MipsInstrInfo::create(*this)); - FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget)); - TLInfo.reset(MipsTargetLowering::create(*this)); - } else { - InstrInfoSE.swap(InstrInfo); - FrameLoweringSE.swap(FrameLowering); - TLInfoSE.swap(TLInfo); - } - assert(TLInfo && "null target lowering in SE"); - assert(InstrInfo && "null instr info SE"); - assert(FrameLowering && "null frame lowering SE"); -} void MipsebTargetMachine::anchor() { } MipsebTargetMachine:: |