XCoreMCTargetDesc.cpp revision 226890 
1//===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -------*- C++ -*-===//
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 XCore specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "XCoreMCTargetDesc.h"
15#include "XCoreMCAsmInfo.h"
16#include "llvm/MC/MCCodeGenInfo.h"
17#include "llvm/MC/MCInstrInfo.h"
18#include "llvm/MC/MCRegisterInfo.h"
19#include "llvm/MC/MCSubtargetInfo.h"
20#include "llvm/Support/TargetRegistry.h"
21
22#define GET_INSTRINFO_MC_DESC
23#include "XCoreGenInstrInfo.inc"
24
25#define GET_SUBTARGETINFO_MC_DESC
26#include "XCoreGenSubtargetInfo.inc"
27
28#define GET_REGINFO_MC_DESC
29#include "XCoreGenRegisterInfo.inc"
30
31using namespace llvm;
32
33static MCInstrInfo *createXCoreMCInstrInfo() {
34  MCInstrInfo *X = new MCInstrInfo();
35  InitXCoreMCInstrInfo(X);
36  return X;
37}
38
39static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
40  MCRegisterInfo *X = new MCRegisterInfo();
41  InitXCoreMCRegisterInfo(X, XCore::LR);
42  return X;
43}
44
45static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
46                                                   StringRef FS) {
47  MCSubtargetInfo *X = new MCSubtargetInfo();
48  InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
49  return X;
50}
51
52static MCAsmInfo *createXCoreMCAsmInfo(const Target &T, StringRef TT) {
53  MCAsmInfo *MAI = new XCoreMCAsmInfo(T, TT);
54
55  // Initial state of the frame pointer is SP.
56  MachineLocation Dst(MachineLocation::VirtualFP);
57  MachineLocation Src(XCore::SP, 0);
58  MAI->addInitialFrameState(0, Dst, Src);
59
60  return MAI;
61}
62
63static MCCodeGenInfo *createXCoreMCCodeGenInfo(StringRef TT, Reloc::Model RM,
64                                               CodeModel::Model CM) {
65  MCCodeGenInfo *X = new MCCodeGenInfo();
66  X->InitMCCodeGenInfo(RM, CM);
67  return X;
68}
69
70// Force static initialization.
71extern "C" void LLVMInitializeXCoreTargetMC() {
72  // Register the MC asm info.
73  RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
74
75  // Register the MC codegen info.
76  TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
77                                        createXCoreMCCodeGenInfo);
78
79  // Register the MC instruction info.
80  TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
81
82  // Register the MC register info.
83  TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
84
85  // Register the MC subtarget info.
86  TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
87                                          createXCoreMCSubtargetInfo);
88}
89