1 //===-- SPUMCTargetDesc.cpp - Cell SPU 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 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/TargetRegistry.h"
22
23 #define GET_INSTRINFO_MC_DESC
24 #include "SPUGenInstrInfo.inc"
25
26 #define GET_SUBTARGETINFO_MC_DESC
27 #include "SPUGenSubtargetInfo.inc"
28
29 #define GET_REGINFO_MC_DESC
30 #include "SPUGenRegisterInfo.inc"
31
32 using namespace llvm;
33
createSPUMCInstrInfo()34 static MCInstrInfo *createSPUMCInstrInfo() {
35 MCInstrInfo *X = new MCInstrInfo();
36 InitSPUMCInstrInfo(X);
37 return X;
38 }
39
createCellSPUMCRegisterInfo(StringRef TT)40 static MCRegisterInfo *createCellSPUMCRegisterInfo(StringRef TT) {
41 MCRegisterInfo *X = new MCRegisterInfo();
42 InitSPUMCRegisterInfo(X, SPU::R0);
43 return X;
44 }
45
createSPUMCSubtargetInfo(StringRef TT,StringRef CPU,StringRef FS)46 static MCSubtargetInfo *createSPUMCSubtargetInfo(StringRef TT, StringRef CPU,
47 StringRef FS) {
48 MCSubtargetInfo *X = new MCSubtargetInfo();
49 InitSPUMCSubtargetInfo(X, TT, CPU, FS);
50 return X;
51 }
52
createSPUMCAsmInfo(const Target & T,StringRef TT)53 static MCAsmInfo *createSPUMCAsmInfo(const Target &T, StringRef TT) {
54 MCAsmInfo *MAI = new SPULinuxMCAsmInfo(T, TT);
55
56 // Initial state of the frame pointer is R1.
57 MachineLocation Dst(MachineLocation::VirtualFP);
58 MachineLocation Src(SPU::R1, 0);
59 MAI->addInitialFrameState(0, Dst, Src);
60
61 return MAI;
62 }
63
createSPUMCCodeGenInfo(StringRef TT,Reloc::Model RM,CodeModel::Model CM)64 static MCCodeGenInfo *createSPUMCCodeGenInfo(StringRef TT, Reloc::Model RM,
65 CodeModel::Model CM) {
66 MCCodeGenInfo *X = new MCCodeGenInfo();
67 // For the time being, use static relocations, since there's really no
68 // support for PIC yet.
69 X->InitMCCodeGenInfo(Reloc::Static, CM);
70 return X;
71 }
72
73 // Force static initialization.
LLVMInitializeCellSPUTargetMC()74 extern "C" void LLVMInitializeCellSPUTargetMC() {
75 // Register the MC asm info.
76 RegisterMCAsmInfoFn X(TheCellSPUTarget, createSPUMCAsmInfo);
77
78 // Register the MC codegen info.
79 TargetRegistry::RegisterMCCodeGenInfo(TheCellSPUTarget,
80 createSPUMCCodeGenInfo);
81
82 // Register the MC instruction info.
83 TargetRegistry::RegisterMCInstrInfo(TheCellSPUTarget, createSPUMCInstrInfo);
84
85 // Register the MC register info.
86 TargetRegistry::RegisterMCRegInfo(TheCellSPUTarget,
87 createCellSPUMCRegisterInfo);
88
89 // Register the MC subtarget info.
90 TargetRegistry::RegisterMCSubtargetInfo(TheCellSPUTarget,
91 createSPUMCSubtargetInfo);
92 }
93