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PPCMCTargetDesc.cpp (263508) PPCMCTargetDesc.cpp (266715)
1//===-- PPCMCTargetDesc.cpp - PowerPC 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 PowerPC specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "PPCMCTargetDesc.h"
15#include "InstPrinter/PPCInstPrinter.h"
16#include "PPCMCAsmInfo.h"
17#include "PPCTargetStreamer.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/MC/MCSymbol.h"
24#include "llvm/MC/MachineLocation.h"
25#include "llvm/Support/ErrorHandling.h"
26#include "llvm/Support/FormattedStream.h"
27#include "llvm/Support/TargetRegistry.h"
28
29#define GET_INSTRINFO_MC_DESC
30#include "PPCGenInstrInfo.inc"
31
32#define GET_SUBTARGETINFO_MC_DESC
33#include "PPCGenSubtargetInfo.inc"
34
35#define GET_REGINFO_MC_DESC
36#include "PPCGenRegisterInfo.inc"
37
38using namespace llvm;
39
40// Pin the vtable to this file.
41PPCTargetStreamer::~PPCTargetStreamer() {}
42
43static MCInstrInfo *createPPCMCInstrInfo() {
44 MCInstrInfo *X = new MCInstrInfo();
45 InitPPCMCInstrInfo(X);
46 return X;
47}
48
49static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
50 Triple TheTriple(TT);
51 bool isPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
52 TheTriple.getArch() == Triple::ppc64le);
53 unsigned Flavour = isPPC64 ? 0 : 1;
54 unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
55
56 MCRegisterInfo *X = new MCRegisterInfo();
57 InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
58 return X;
59}
60
61static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
62 StringRef FS) {
63 MCSubtargetInfo *X = new MCSubtargetInfo();
64 InitPPCMCSubtargetInfo(X, TT, CPU, FS);
65 return X;
66}
67
68static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
69 Triple TheTriple(TT);
70 bool isPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
71 TheTriple.getArch() == Triple::ppc64le);
72
73 MCAsmInfo *MAI;
74 if (TheTriple.isOSDarwin())
1//===-- PPCMCTargetDesc.cpp - PowerPC 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 PowerPC specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "PPCMCTargetDesc.h"
15#include "InstPrinter/PPCInstPrinter.h"
16#include "PPCMCAsmInfo.h"
17#include "PPCTargetStreamer.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/MC/MCSymbol.h"
24#include "llvm/MC/MachineLocation.h"
25#include "llvm/Support/ErrorHandling.h"
26#include "llvm/Support/FormattedStream.h"
27#include "llvm/Support/TargetRegistry.h"
28
29#define GET_INSTRINFO_MC_DESC
30#include "PPCGenInstrInfo.inc"
31
32#define GET_SUBTARGETINFO_MC_DESC
33#include "PPCGenSubtargetInfo.inc"
34
35#define GET_REGINFO_MC_DESC
36#include "PPCGenRegisterInfo.inc"
37
38using namespace llvm;
39
40// Pin the vtable to this file.
41PPCTargetStreamer::~PPCTargetStreamer() {}
42
43static MCInstrInfo *createPPCMCInstrInfo() {
44 MCInstrInfo *X = new MCInstrInfo();
45 InitPPCMCInstrInfo(X);
46 return X;
47}
48
49static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
50 Triple TheTriple(TT);
51 bool isPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
52 TheTriple.getArch() == Triple::ppc64le);
53 unsigned Flavour = isPPC64 ? 0 : 1;
54 unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
55
56 MCRegisterInfo *X = new MCRegisterInfo();
57 InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
58 return X;
59}
60
61static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
62 StringRef FS) {
63 MCSubtargetInfo *X = new MCSubtargetInfo();
64 InitPPCMCSubtargetInfo(X, TT, CPU, FS);
65 return X;
66}
67
68static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
69 Triple TheTriple(TT);
70 bool isPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
71 TheTriple.getArch() == Triple::ppc64le);
72
73 MCAsmInfo *MAI;
74 if (TheTriple.isOSDarwin())
75 MAI = new PPCMCAsmInfoDarwin(isPPC64);
75 MAI = new PPCMCAsmInfoDarwin(isPPC64, TheTriple);
76 else
77 MAI = new PPCLinuxMCAsmInfo(isPPC64);
78
79 // Initial state of the frame pointer is R1.
80 unsigned Reg = isPPC64 ? PPC::X1 : PPC::R1;
81 MCCFIInstruction Inst =
82 MCCFIInstruction::createDefCfa(0, MRI.getDwarfRegNum(Reg, true), 0);
83 MAI->addInitialFrameState(Inst);
84
85 return MAI;
86}
87
88static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
89 CodeModel::Model CM,
90 CodeGenOpt::Level OL) {
91 MCCodeGenInfo *X = new MCCodeGenInfo();
92
93 if (RM == Reloc::Default) {
94 Triple T(TT);
95 if (T.isOSDarwin())
96 RM = Reloc::DynamicNoPIC;
97 else
98 RM = Reloc::Static;
99 }
100 if (CM == CodeModel::Default) {
101 Triple T(TT);
102 if (!T.isOSDarwin() &&
103 (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le))
104 CM = CodeModel::Medium;
105 }
106 X->InitMCCodeGenInfo(RM, CM, OL);
107 return X;
108}
109
110namespace {
111class PPCTargetAsmStreamer : public PPCTargetStreamer {
112 formatted_raw_ostream &OS;
113
114public:
115 PPCTargetAsmStreamer(formatted_raw_ostream &OS) : OS(OS) {}
116 virtual void emitTCEntry(const MCSymbol &S) {
117 OS << "\t.tc ";
118 OS << S.getName();
119 OS << "[TC],";
120 OS << S.getName();
121 OS << '\n';
122 }
123};
124
125class PPCTargetELFStreamer : public PPCTargetStreamer {
126 virtual void emitTCEntry(const MCSymbol &S) {
127 // Creates a R_PPC64_TOC relocation
128 Streamer->EmitSymbolValue(&S, 8);
129 }
130};
131}
132
133// This is duplicated code. Refactor this.
134static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
135 MCContext &Ctx, MCAsmBackend &MAB,
136 raw_ostream &OS,
137 MCCodeEmitter *Emitter,
138 bool RelaxAll,
139 bool NoExecStack) {
140 if (Triple(TT).isOSDarwin())
141 return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
142
143 PPCTargetStreamer *S = new PPCTargetELFStreamer();
144 return createELFStreamer(Ctx, S, MAB, OS, Emitter, RelaxAll, NoExecStack);
145}
146
147static MCStreamer *
148createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
149 bool isVerboseAsm, bool useLoc, bool useCFI,
150 bool useDwarfDirectory, MCInstPrinter *InstPrint,
151 MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
152 PPCTargetStreamer *S = new PPCTargetAsmStreamer(OS);
153
154 return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
155 useDwarfDirectory, InstPrint, CE, TAB,
156 ShowInst);
157}
158
159static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
160 unsigned SyntaxVariant,
161 const MCAsmInfo &MAI,
162 const MCInstrInfo &MII,
163 const MCRegisterInfo &MRI,
164 const MCSubtargetInfo &STI) {
165 bool isDarwin = Triple(STI.getTargetTriple()).isOSDarwin();
166 return new PPCInstPrinter(MAI, MII, MRI, isDarwin);
167}
168
169extern "C" void LLVMInitializePowerPCTargetMC() {
170 // Register the MC asm info.
171 RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
172 RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
173 RegisterMCAsmInfoFn E(ThePPC64LETarget, createPPCMCAsmInfo);
174
175 // Register the MC codegen info.
176 TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
177 TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
178 TargetRegistry::RegisterMCCodeGenInfo(ThePPC64LETarget,
179 createPPCMCCodeGenInfo);
180
181 // Register the MC instruction info.
182 TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
183 TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
184 TargetRegistry::RegisterMCInstrInfo(ThePPC64LETarget,
185 createPPCMCInstrInfo);
186
187 // Register the MC register info.
188 TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
189 TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
190 TargetRegistry::RegisterMCRegInfo(ThePPC64LETarget, createPPCMCRegisterInfo);
191
192 // Register the MC subtarget info.
193 TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
194 createPPCMCSubtargetInfo);
195 TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
196 createPPCMCSubtargetInfo);
197 TargetRegistry::RegisterMCSubtargetInfo(ThePPC64LETarget,
198 createPPCMCSubtargetInfo);
199
200 // Register the MC Code Emitter
201 TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
202 TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
203 TargetRegistry::RegisterMCCodeEmitter(ThePPC64LETarget,
204 createPPCMCCodeEmitter);
205
206 // Register the asm backend.
207 TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
208 TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
209 TargetRegistry::RegisterMCAsmBackend(ThePPC64LETarget, createPPCAsmBackend);
210
211 // Register the object streamer.
212 TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
213 TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
214 TargetRegistry::RegisterMCObjectStreamer(ThePPC64LETarget, createMCStreamer);
215
216 // Register the asm streamer.
217 TargetRegistry::RegisterAsmStreamer(ThePPC32Target, createMCAsmStreamer);
218 TargetRegistry::RegisterAsmStreamer(ThePPC64Target, createMCAsmStreamer);
219 TargetRegistry::RegisterAsmStreamer(ThePPC64LETarget, createMCAsmStreamer);
220
221 // Register the MCInstPrinter.
222 TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
223 TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);
224 TargetRegistry::RegisterMCInstPrinter(ThePPC64LETarget,
225 createPPCMCInstPrinter);
226}
76 else
77 MAI = new PPCLinuxMCAsmInfo(isPPC64);
78
79 // Initial state of the frame pointer is R1.
80 unsigned Reg = isPPC64 ? PPC::X1 : PPC::R1;
81 MCCFIInstruction Inst =
82 MCCFIInstruction::createDefCfa(0, MRI.getDwarfRegNum(Reg, true), 0);
83 MAI->addInitialFrameState(Inst);
84
85 return MAI;
86}
87
88static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
89 CodeModel::Model CM,
90 CodeGenOpt::Level OL) {
91 MCCodeGenInfo *X = new MCCodeGenInfo();
92
93 if (RM == Reloc::Default) {
94 Triple T(TT);
95 if (T.isOSDarwin())
96 RM = Reloc::DynamicNoPIC;
97 else
98 RM = Reloc::Static;
99 }
100 if (CM == CodeModel::Default) {
101 Triple T(TT);
102 if (!T.isOSDarwin() &&
103 (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le))
104 CM = CodeModel::Medium;
105 }
106 X->InitMCCodeGenInfo(RM, CM, OL);
107 return X;
108}
109
110namespace {
111class PPCTargetAsmStreamer : public PPCTargetStreamer {
112 formatted_raw_ostream &OS;
113
114public:
115 PPCTargetAsmStreamer(formatted_raw_ostream &OS) : OS(OS) {}
116 virtual void emitTCEntry(const MCSymbol &S) {
117 OS << "\t.tc ";
118 OS << S.getName();
119 OS << "[TC],";
120 OS << S.getName();
121 OS << '\n';
122 }
123};
124
125class PPCTargetELFStreamer : public PPCTargetStreamer {
126 virtual void emitTCEntry(const MCSymbol &S) {
127 // Creates a R_PPC64_TOC relocation
128 Streamer->EmitSymbolValue(&S, 8);
129 }
130};
131}
132
133// This is duplicated code. Refactor this.
134static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
135 MCContext &Ctx, MCAsmBackend &MAB,
136 raw_ostream &OS,
137 MCCodeEmitter *Emitter,
138 bool RelaxAll,
139 bool NoExecStack) {
140 if (Triple(TT).isOSDarwin())
141 return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
142
143 PPCTargetStreamer *S = new PPCTargetELFStreamer();
144 return createELFStreamer(Ctx, S, MAB, OS, Emitter, RelaxAll, NoExecStack);
145}
146
147static MCStreamer *
148createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
149 bool isVerboseAsm, bool useLoc, bool useCFI,
150 bool useDwarfDirectory, MCInstPrinter *InstPrint,
151 MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
152 PPCTargetStreamer *S = new PPCTargetAsmStreamer(OS);
153
154 return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
155 useDwarfDirectory, InstPrint, CE, TAB,
156 ShowInst);
157}
158
159static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
160 unsigned SyntaxVariant,
161 const MCAsmInfo &MAI,
162 const MCInstrInfo &MII,
163 const MCRegisterInfo &MRI,
164 const MCSubtargetInfo &STI) {
165 bool isDarwin = Triple(STI.getTargetTriple()).isOSDarwin();
166 return new PPCInstPrinter(MAI, MII, MRI, isDarwin);
167}
168
169extern "C" void LLVMInitializePowerPCTargetMC() {
170 // Register the MC asm info.
171 RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
172 RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
173 RegisterMCAsmInfoFn E(ThePPC64LETarget, createPPCMCAsmInfo);
174
175 // Register the MC codegen info.
176 TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
177 TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
178 TargetRegistry::RegisterMCCodeGenInfo(ThePPC64LETarget,
179 createPPCMCCodeGenInfo);
180
181 // Register the MC instruction info.
182 TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
183 TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
184 TargetRegistry::RegisterMCInstrInfo(ThePPC64LETarget,
185 createPPCMCInstrInfo);
186
187 // Register the MC register info.
188 TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
189 TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
190 TargetRegistry::RegisterMCRegInfo(ThePPC64LETarget, createPPCMCRegisterInfo);
191
192 // Register the MC subtarget info.
193 TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
194 createPPCMCSubtargetInfo);
195 TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
196 createPPCMCSubtargetInfo);
197 TargetRegistry::RegisterMCSubtargetInfo(ThePPC64LETarget,
198 createPPCMCSubtargetInfo);
199
200 // Register the MC Code Emitter
201 TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
202 TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
203 TargetRegistry::RegisterMCCodeEmitter(ThePPC64LETarget,
204 createPPCMCCodeEmitter);
205
206 // Register the asm backend.
207 TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
208 TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
209 TargetRegistry::RegisterMCAsmBackend(ThePPC64LETarget, createPPCAsmBackend);
210
211 // Register the object streamer.
212 TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
213 TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
214 TargetRegistry::RegisterMCObjectStreamer(ThePPC64LETarget, createMCStreamer);
215
216 // Register the asm streamer.
217 TargetRegistry::RegisterAsmStreamer(ThePPC32Target, createMCAsmStreamer);
218 TargetRegistry::RegisterAsmStreamer(ThePPC64Target, createMCAsmStreamer);
219 TargetRegistry::RegisterAsmStreamer(ThePPC64LETarget, createMCAsmStreamer);
220
221 // Register the MCInstPrinter.
222 TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
223 TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);
224 TargetRegistry::RegisterMCInstPrinter(ThePPC64LETarget,
225 createPPCMCInstPrinter);
226}