1//===-- SPUMCTargetDesc.cpp - Cell SPU 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 Cell SPU specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "SPUMCTargetDesc.h"
15#include "SPUMCAsmInfo.h"
16#include "llvm/MC/MachineLocation.h"
17#include "llvm/MC/MCCodeGenInfo.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#define GET_INSTRINFO_MC_DESC
25#include "SPUGenInstrInfo.inc"
26
27#define GET_SUBTARGETINFO_MC_DESC
28#include "SPUGenSubtargetInfo.inc"
29
30#define GET_REGINFO_MC_DESC
31#include "SPUGenRegisterInfo.inc"
32
33using namespace llvm;
34
35static MCInstrInfo *createSPUMCInstrInfo() {
36  MCInstrInfo *X = new MCInstrInfo();
37  InitSPUMCInstrInfo(X);
38  return X;
39}
40
41static MCRegisterInfo *createCellSPUMCRegisterInfo(StringRef TT) {
42  MCRegisterInfo *X = new MCRegisterInfo();
43  InitSPUMCRegisterInfo(X, SPU::R0);
44  return X;
45}
46
47static MCSubtargetInfo *createSPUMCSubtargetInfo(StringRef TT, StringRef CPU,
48                                                 StringRef FS) {
49  MCSubtargetInfo *X = new MCSubtargetInfo();
50  InitSPUMCSubtargetInfo(X, TT, CPU, FS);
51  return X;
52}
53
54static MCAsmInfo *createSPUMCAsmInfo(const Target &T, StringRef TT) {
55  MCAsmInfo *MAI = new SPULinuxMCAsmInfo(T, TT);
56
57  // Initial state of the frame pointer is R1.
58  MachineLocation Dst(MachineLocation::VirtualFP);
59  MachineLocation Src(SPU::R1, 0);
60  MAI->addInitialFrameState(0, Dst, Src);
61
62  return MAI;
63}
64
65static MCCodeGenInfo *createSPUMCCodeGenInfo(StringRef TT, Reloc::Model RM,
66                                             CodeModel::Model CM,
67                                             CodeGenOpt::Level OL) {
68  MCCodeGenInfo *X = new MCCodeGenInfo();
69  // For the time being, use static relocations, since there's really no
70  // support for PIC yet.
71  X->InitMCCodeGenInfo(Reloc::Static, CM, OL);
72  return X;
73}
74
75// Force static initialization.
76extern "C" void LLVMInitializeCellSPUTargetMC() {
77  // Register the MC asm info.
78  RegisterMCAsmInfoFn X(TheCellSPUTarget, createSPUMCAsmInfo);
79
80  // Register the MC codegen info.
81  TargetRegistry::RegisterMCCodeGenInfo(TheCellSPUTarget,
82                                        createSPUMCCodeGenInfo);
83
84  // Register the MC instruction info.
85  TargetRegistry::RegisterMCInstrInfo(TheCellSPUTarget, createSPUMCInstrInfo);
86
87  // Register the MC register info.
88  TargetRegistry::RegisterMCRegInfo(TheCellSPUTarget,
89                                    createCellSPUMCRegisterInfo);
90
91  // Register the MC subtarget info.
92  TargetRegistry::RegisterMCSubtargetInfo(TheCellSPUTarget,
93                                          createSPUMCSubtargetInfo);
94}
95