1 //===-- SPUMCTargetDesc.cpp - Cell SPU Target Descriptions ----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file provides Cell SPU specific target descriptions. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "SPUMCTargetDesc.h" 15 #include "SPUMCAsmInfo.h" 16 #include "llvm/MC/MachineLocation.h" 17 #include "llvm/MC/MCCodeGenInfo.h" 18 #include "llvm/MC/MCInstrInfo.h" 19 #include "llvm/MC/MCRegisterInfo.h" 20 #include "llvm/MC/MCSubtargetInfo.h" 21 #include "llvm/Support/ErrorHandling.h" 22 #include "llvm/Support/TargetRegistry.h" 23 24 #define GET_INSTRINFO_MC_DESC 25 #include "SPUGenInstrInfo.inc" 26 27 #define GET_SUBTARGETINFO_MC_DESC 28 #include "SPUGenSubtargetInfo.inc" 29 30 #define GET_REGINFO_MC_DESC 31 #include "SPUGenRegisterInfo.inc" 32 33 using namespace llvm; 34 35 static MCInstrInfo *createSPUMCInstrInfo() { 36 MCInstrInfo *X = new MCInstrInfo(); 37 InitSPUMCInstrInfo(X); 38 return X; 39 } 40 41 static MCRegisterInfo *createCellSPUMCRegisterInfo(StringRef TT) { 42 MCRegisterInfo *X = new MCRegisterInfo(); 43 InitSPUMCRegisterInfo(X, SPU::R0); 44 return X; 45 } 46 47 static MCSubtargetInfo *createSPUMCSubtargetInfo(StringRef TT, StringRef CPU, 48 StringRef FS) { 49 MCSubtargetInfo *X = new MCSubtargetInfo(); 50 InitSPUMCSubtargetInfo(X, TT, CPU, FS); 51 return X; 52 } 53 54 static MCAsmInfo *createSPUMCAsmInfo(const Target &T, StringRef TT) { 55 MCAsmInfo *MAI = new SPULinuxMCAsmInfo(T, TT); 56 57 // Initial state of the frame pointer is R1. 58 MachineLocation Dst(MachineLocation::VirtualFP); 59 MachineLocation Src(SPU::R1, 0); 60 MAI->addInitialFrameState(0, Dst, Src); 61 62 return MAI; 63 } 64 65 static MCCodeGenInfo *createSPUMCCodeGenInfo(StringRef TT, Reloc::Model RM, 66 CodeModel::Model CM, 67 CodeGenOpt::Level OL) { 68 MCCodeGenInfo *X = new MCCodeGenInfo(); 69 // For the time being, use static relocations, since there's really no 70 // support for PIC yet. 71 X->InitMCCodeGenInfo(Reloc::Static, CM, OL); 72 return X; 73 } 74 75 // Force static initialization. 76 extern "C" void LLVMInitializeCellSPUTargetMC() { 77 // Register the MC asm info. 78 RegisterMCAsmInfoFn X(TheCellSPUTarget, createSPUMCAsmInfo); 79 80 // Register the MC codegen info. 81 TargetRegistry::RegisterMCCodeGenInfo(TheCellSPUTarget, 82 createSPUMCCodeGenInfo); 83 84 // Register the MC instruction info. 85 TargetRegistry::RegisterMCInstrInfo(TheCellSPUTarget, createSPUMCInstrInfo); 86 87 // Register the MC register info. 88 TargetRegistry::RegisterMCRegInfo(TheCellSPUTarget, 89 createCellSPUMCRegisterInfo); 90 91 // Register the MC subtarget info. 92 TargetRegistry::RegisterMCSubtargetInfo(TheCellSPUTarget, 93 createSPUMCSubtargetInfo); 94 } 95