1 //===-- PPCMCTargetDesc.cpp - PowerPC Target Descriptions -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides PowerPC specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "PPCMCTargetDesc.h"
15 #include "PPCMCAsmInfo.h"
16 #include "InstPrinter/PPCInstPrinter.h"
17 #include "llvm/MC/MachineLocation.h"
18 #include "llvm/MC/MCCodeGenInfo.h"
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
21 #include "llvm/MC/MCStreamer.h"
22 #include "llvm/MC/MCSubtargetInfo.h"
23 #include "llvm/Support/ErrorHandling.h"
24 #include "llvm/Support/TargetRegistry.h"
26 #define GET_INSTRINFO_MC_DESC
27 #include "PPCGenInstrInfo.inc"
29 #define GET_SUBTARGETINFO_MC_DESC
30 #include "PPCGenSubtargetInfo.inc"
32 #define GET_REGINFO_MC_DESC
33 #include "PPCGenRegisterInfo.inc"
37 static MCInstrInfo *createPPCMCInstrInfo() {
38 MCInstrInfo *X = new MCInstrInfo();
39 InitPPCMCInstrInfo(X);
43 static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
45 bool isPPC64 = (TheTriple.getArch() == Triple::ppc64);
46 unsigned Flavour = isPPC64 ? 0 : 1;
47 unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
49 MCRegisterInfo *X = new MCRegisterInfo();
50 InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
54 static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
56 MCSubtargetInfo *X = new MCSubtargetInfo();
57 InitPPCMCSubtargetInfo(X, TT, CPU, FS);
61 static MCAsmInfo *createPPCMCAsmInfo(const Target &T, StringRef TT) {
63 bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
66 if (TheTriple.isOSDarwin())
67 MAI = new PPCMCAsmInfoDarwin(isPPC64);
69 MAI = new PPCLinuxMCAsmInfo(isPPC64);
71 // Initial state of the frame pointer is R1.
72 MachineLocation Dst(MachineLocation::VirtualFP);
73 MachineLocation Src(PPC::R1, 0);
74 MAI->addInitialFrameState(0, Dst, Src);
79 static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
81 CodeGenOpt::Level OL) {
82 MCCodeGenInfo *X = new MCCodeGenInfo();
84 if (RM == Reloc::Default) {
87 RM = Reloc::DynamicNoPIC;
91 X->InitMCCodeGenInfo(RM, CM, OL);
95 // This is duplicated code. Refactor this.
96 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
97 MCContext &Ctx, MCAsmBackend &MAB,
99 MCCodeEmitter *Emitter,
102 if (Triple(TT).isOSDarwin())
103 return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
105 return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
108 static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
109 unsigned SyntaxVariant,
110 const MCAsmInfo &MAI,
111 const MCSubtargetInfo &STI) {
112 return new PPCInstPrinter(MAI, SyntaxVariant);
115 extern "C" void LLVMInitializePowerPCTargetMC() {
116 // Register the MC asm info.
117 RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
118 RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
120 // Register the MC codegen info.
121 TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
122 TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
124 // Register the MC instruction info.
125 TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
126 TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
128 // Register the MC register info.
129 TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
130 TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
132 // Register the MC subtarget info.
133 TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
134 createPPCMCSubtargetInfo);
135 TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
136 createPPCMCSubtargetInfo);
138 // Register the MC Code Emitter
139 TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
140 TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
142 // Register the asm backend.
143 TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
144 TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
146 // Register the object streamer.
147 TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
148 TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
150 // Register the MCInstPrinter.
151 TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
152 TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);