1 //===-- VEMCTargetDesc.cpp - VE Target Descriptions -----------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file provides VE specific target descriptions.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "VEMCTargetDesc.h"
14 #include "TargetInfo/VETargetInfo.h"
15 #include "VEInstPrinter.h"
16 #include "VEMCAsmInfo.h"
17 #include "VETargetStreamer.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 using namespace llvm;
25 
26 #define GET_INSTRINFO_MC_DESC
27 #include "VEGenInstrInfo.inc"
28 
29 #define GET_SUBTARGETINFO_MC_DESC
30 #include "VEGenSubtargetInfo.inc"
31 
32 #define GET_REGINFO_MC_DESC
33 #include "VEGenRegisterInfo.inc"
34 
35 static MCAsmInfo *createVEMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT,
36                                     const MCTargetOptions &Options) {
37   MCAsmInfo *MAI = new VEELFMCAsmInfo(TT);
38   unsigned Reg = MRI.getDwarfRegNum(VE::SX11, true);
39   MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
40   MAI->addInitialFrameState(Inst);
41   return MAI;
42 }
43 
44 static MCInstrInfo *createVEMCInstrInfo() {
45   MCInstrInfo *X = new MCInstrInfo();
46   InitVEMCInstrInfo(X);
47   return X;
48 }
49 
50 static MCRegisterInfo *createVEMCRegisterInfo(const Triple &TT) {
51   MCRegisterInfo *X = new MCRegisterInfo();
52   InitVEMCRegisterInfo(X, VE::SX10);
53   return X;
54 }
55 
56 static MCSubtargetInfo *createVEMCSubtargetInfo(const Triple &TT, StringRef CPU,
57                                                 StringRef FS) {
58   if (CPU.empty())
59     CPU = "ve";
60   return createVEMCSubtargetInfoImpl(TT, CPU, FS);
61 }
62 
63 static MCTargetStreamer *
64 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
65   return new VETargetELFStreamer(S);
66 }
67 
68 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
69                                                  formatted_raw_ostream &OS,
70                                                  MCInstPrinter *InstPrint,
71                                                  bool isVerboseAsm) {
72   return new VETargetAsmStreamer(S, OS);
73 }
74 
75 static MCInstPrinter *createVEMCInstPrinter(const Triple &T,
76                                             unsigned SyntaxVariant,
77                                             const MCAsmInfo &MAI,
78                                             const MCInstrInfo &MII,
79                                             const MCRegisterInfo &MRI) {
80   return new VEInstPrinter(MAI, MII, MRI);
81 }
82 
83 extern "C" void LLVMInitializeVETargetMC() {
84   // Register the MC asm info.
85   RegisterMCAsmInfoFn X(getTheVETarget(), createVEMCAsmInfo);
86 
87   for (Target *T : {&getTheVETarget()}) {
88     // Register the MC instruction info.
89     TargetRegistry::RegisterMCInstrInfo(*T, createVEMCInstrInfo);
90 
91     // Register the MC register info.
92     TargetRegistry::RegisterMCRegInfo(*T, createVEMCRegisterInfo);
93 
94     // Register the MC subtarget info.
95     TargetRegistry::RegisterMCSubtargetInfo(*T, createVEMCSubtargetInfo);
96 
97     // Register the MC Code Emitter.
98     TargetRegistry::RegisterMCCodeEmitter(*T, createVEMCCodeEmitter);
99 
100     // Register the asm backend.
101     TargetRegistry::RegisterMCAsmBackend(*T, createVEAsmBackend);
102 
103     // Register the object target streamer.
104     TargetRegistry::RegisterObjectTargetStreamer(*T,
105                                                  createObjectTargetStreamer);
106 
107     // Register the asm streamer.
108     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
109 
110     // Register the MCInstPrinter
111     TargetRegistry::RegisterMCInstPrinter(*T, createVEMCInstPrinter);
112   }
113 }
114