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 "InstPrinter/VEInstPrinter.h"
15 #include "VEMCAsmInfo.h"
16 #include "VETargetStreamer.h"
17 #include "llvm/MC/MCInstrInfo.h"
18 #include "llvm/MC/MCRegisterInfo.h"
19 #include "llvm/MC/MCSubtargetInfo.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include "llvm/Support/TargetRegistry.h"
22 
23 using namespace llvm;
24 
25 #define GET_INSTRINFO_MC_DESC
26 #include "VEGenInstrInfo.inc"
27 
28 #define GET_SUBTARGETINFO_MC_DESC
29 #include "VEGenSubtargetInfo.inc"
30 
31 #define GET_REGINFO_MC_DESC
32 #include "VEGenRegisterInfo.inc"
33 
34 static MCAsmInfo *createVEMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT,
35                                     const MCTargetOptions &Options) {
36   MCAsmInfo *MAI = new VEELFMCAsmInfo(TT);
37   unsigned Reg = MRI.getDwarfRegNum(VE::SX11, true);
38   MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, Reg, 0);
39   MAI->addInitialFrameState(Inst);
40   return MAI;
41 }
42 
43 static MCInstrInfo *createVEMCInstrInfo() {
44   MCInstrInfo *X = new MCInstrInfo();
45   InitVEMCInstrInfo(X);
46   return X;
47 }
48 
49 static MCRegisterInfo *createVEMCRegisterInfo(const Triple &TT) {
50   MCRegisterInfo *X = new MCRegisterInfo();
51   InitVEMCRegisterInfo(X, VE::SX10);
52   return X;
53 }
54 
55 static MCSubtargetInfo *createVEMCSubtargetInfo(const Triple &TT, StringRef CPU,
56                                                 StringRef FS) {
57   if (CPU.empty())
58     CPU = "ve";
59   return createVEMCSubtargetInfoImpl(TT, CPU, FS);
60 }
61 
62 static MCTargetStreamer *
63 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
64   return new VETargetELFStreamer(S);
65 }
66 
67 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
68                                                  formatted_raw_ostream &OS,
69                                                  MCInstPrinter *InstPrint,
70                                                  bool isVerboseAsm) {
71   return new VETargetAsmStreamer(S, OS);
72 }
73 
74 static MCInstPrinter *createVEMCInstPrinter(const Triple &T,
75                                             unsigned SyntaxVariant,
76                                             const MCAsmInfo &MAI,
77                                             const MCInstrInfo &MII,
78                                             const MCRegisterInfo &MRI) {
79   return new VEInstPrinter(MAI, MII, MRI);
80 }
81 
82 extern "C" void LLVMInitializeVETargetMC() {
83   // Register the MC asm info.
84   RegisterMCAsmInfoFn X(getTheVETarget(), createVEMCAsmInfo);
85 
86   for (Target *T : {&getTheVETarget()}) {
87     // Register the MC instruction info.
88     TargetRegistry::RegisterMCInstrInfo(*T, createVEMCInstrInfo);
89 
90     // Register the MC register info.
91     TargetRegistry::RegisterMCRegInfo(*T, createVEMCRegisterInfo);
92 
93     // Register the MC subtarget info.
94     TargetRegistry::RegisterMCSubtargetInfo(*T, createVEMCSubtargetInfo);
95 
96     // Register the object target streamer.
97     TargetRegistry::RegisterObjectTargetStreamer(*T,
98                                                  createObjectTargetStreamer);
99 
100     // Register the asm streamer.
101     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
102 
103     // Register the MCInstPrinter
104     TargetRegistry::RegisterMCInstPrinter(*T, createVEMCInstPrinter);
105   }
106 }
107