llvm/lib/Target/CSKY/CSKYSubtarget.h

   1 //===-- CSKYSubtarget.h - Define Subtarget for the CSKY----------*- C++ -*-===//
   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 declares the CSKY specific subclass of TargetSubtargetInfo.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H
  14 #define LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H
  15
  16 #include "CSKYFrameLowering.h"
  17 #include "CSKYISelLowering.h"
  18 #include "CSKYInstrInfo.h"
  19 #include "CSKYRegisterInfo.h"
  20 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
  21 #include "llvm/CodeGen/TargetSubtargetInfo.h"
  22 #include "llvm/Target/TargetMachine.h"
  23
  24 #define GET_SUBTARGETINFO_HEADER
  25 #include "CSKYGenSubtargetInfo.inc"
  26
  27 namespace llvm {
  28 class StringRef;
  29
  30 class CSKYSubtarget : public CSKYGenSubtargetInfo {
  31   virtual void anchor();
  32
  33   CSKYFrameLowering FrameLowering;
  34   CSKYInstrInfo InstrInfo;
  35   CSKYRegisterInfo RegInfo;
  36   CSKYTargetLowering TLInfo;
  37   SelectionDAGTargetInfo TSInfo;
  38
  39   enum CSKYProcFamilyEnum {
  40     Others,
  41
  42     CK801,
  43     CK802,
  44     CK803,
  45     CK803S,
  46     CK804,
  47     CK805,
  48     CK807,
  49     CK810,
  50     CK810V,
  51     CK860,
  52     CK860V
  53   };
  54
  55   /// CSKYProcFamily - CSKY processor family: CK801, CK802, and others.
  56   CSKYProcFamilyEnum CSKYProcFamily = Others;
  57
  58   bool UseHardFloat;
  59   bool UseHardFloatABI;
  60   bool HasFPUv2SingleFloat;
  61   bool HasFPUv2DoubleFloat;
  62   bool HasFPUv3HalfWord;
  63   bool HasFPUv3HalfFloat;
  64   bool HasFPUv3SingleFloat;
  65   bool HasFPUv3DoubleFloat;
  66   bool HasFdivdu;
  67   bool HasFLOATE1;
  68   bool HasFLOAT1E2;
  69   bool HasFLOAT1E3;
  70   bool HasFLOAT3E4;
  71   bool HasFLOAT7E60;
  72   bool HasBTST16;
  73   bool HasExtendLrw;
  74   bool HasTrust;
  75   bool HasJAVA;
  76   bool HasCache;
  77   bool HasNVIC;
  78   bool HasDSP;
  79   bool HasDSP1E2;
  80   bool HasDSPE60;
  81   bool HasDSPV2;
  82   bool HasDSP_Silan;
  83   bool HasDoloop;
  84   bool HasHardwareDivide;
  85   bool HasHighRegisters;
  86   bool HasVDSPV2;
  87   bool HasVDSP2E3;
  88   bool HasVDSP2E60F;
  89   bool ReadTPHard;
  90   bool HasVDSPV1_128;
  91   bool UseCCRT;
  92   bool DumpConstPool;
  93   bool EnableInterruptAttribute;
  94   bool HasPushPop;
  95   bool HasSTM;
  96   bool SmartMode;
  97   bool EnableStackSize;
  98
  99   bool HasE1;
 100   bool HasE2;
 101   bool Has2E3;
 102   bool HasMP;
 103   bool Has3E3r1;
 104   bool Has3r1E3r2;
 105   bool Has3r2E3r3;
 106   bool Has3E7;
 107   bool HasMP1E2;
 108   bool Has7E10;
 109   bool Has10E60;
 110
 111 public:
 112   CSKYSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
 113                 StringRef FS, const TargetMachine &TM);
 114
 115   const CSKYFrameLowering *getFrameLowering() const override {
 116     return &FrameLowering;
 117   }
 118   const CSKYInstrInfo *getInstrInfo() const override { return &InstrInfo; }
 119   const CSKYRegisterInfo *getRegisterInfo() const override { return &RegInfo; }
 120   const CSKYTargetLowering *getTargetLowering() const override {
 121     return &TLInfo;
 122   }
 123   const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
 124     return &TSInfo;
 125   }
 126
 127   /// Initializes using the passed in CPU and feature strings so that we can
 128   /// use initializer lists for subtarget initialization.
 129   CSKYSubtarget &initializeSubtargetDependencies(const Triple &TT,
 130                                                  StringRef CPU,
 131                                                  StringRef TuneCPU,
 132                                                  StringRef FS);
 133
 134   // Generated by inc file
 135   void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
 136
 137   bool useHardFloatABI() const;
 138   bool useHardFloat() const { return UseHardFloat; }
 139   bool hasFPUv2SingleFloat() const { return HasFPUv2SingleFloat; }
 140   bool hasFPUv2DoubleFloat() const { return HasFPUv2DoubleFloat; }
 141   bool hasFPUv2() const { return HasFPUv2SingleFloat || HasFPUv2DoubleFloat; }
 142   bool hasFPUv3HalfWord() const { return HasFPUv3HalfWord; }
 143   bool hasFPUv3HalfFloat() const { return HasFPUv3HalfFloat; }
 144   bool hasFPUv3SingleFloat() const { return HasFPUv3SingleFloat; }
 145   bool hasFPUv3DoubleFloat() const { return HasFPUv3DoubleFloat; }
 146   bool hasFPUv3() const {
 147     return HasFPUv3HalfFloat || HasFPUv3SingleFloat || HasFPUv3DoubleFloat;
 148   }
 149   bool hasAnyFloatExt() const { return hasFPUv2() || hasFPUv3(); };
 150   bool hasFdivdu() const { return HasFdivdu; }
 151   bool hasFLOATE1() const { return HasFLOATE1; }
 152   bool hasFLOAT1E2() const { return HasFLOAT1E2; }
 153   bool hasFLOAT1E3() const { return HasFLOAT1E3; }
 154   bool hasFLOAT3E4() const { return HasFLOAT3E4; }
 155   bool hasFLOAT7E60() const { return HasFLOAT7E60; }
 156   bool hasExtendLrw() const { return HasExtendLrw; }
 157   bool hasBTST16() const { return HasBTST16; }
 158   bool hasTrust() const { return HasTrust; }
 159   bool hasJAVA() const { return HasJAVA; }
 160   bool hasCache() const { return HasCache; }
 161   bool hasNVIC() const { return HasNVIC; }
 162   bool hasDSP() const { return HasDSP; }
 163   bool hasDSP1E2() const { return HasDSP1E2; }
 164   bool hasDSPE60() const { return HasDSPE60; }
 165   bool hasDSPV2() const { return HasDSPV2; }
 166   bool hasDSP_Silan() const { return HasDSP_Silan; }
 167   bool hasDoloop() const { return HasDoloop; }
 168   bool hasHighRegisters() const { return HasHighRegisters; }
 169   bool hasVDSPV2() const { return HasVDSPV2; }
 170   bool hasVDSPV2_FLOAT() const { return HasVDSPV2 && UseHardFloat; }
 171   bool hasVDSPV2_HALF() const {
 172     return HasVDSPV2 && UseHardFloat && HasFPUv3HalfFloat;
 173   }
 174   bool hasVDSP2E3() const { return HasVDSP2E3; }
 175   bool hasVDSP2E60F() const { return HasVDSP2E60F; }
 176   bool readTPHard() const { return ReadTPHard; }
 177   bool hasVDSPV1_128() const { return HasVDSPV1_128; }
 178   bool useCCRT() const { return UseCCRT; }
 179   bool dumpConstPool() const { return DumpConstPool; }
 180   bool enableInterruptAttribute() const { return EnableInterruptAttribute; }
 181   bool hasPushPop() const { return HasPushPop; }
 182   bool hasSTM() const { return HasSTM; }
 183   bool smartMode() const { return SmartMode; }
 184   bool enableStackSize() const { return EnableStackSize; }
 185
 186   bool hasE1() const { return HasE1; }
 187   bool hasE2() const { return HasE2; }
 188   bool has2E3() const { return Has2E3; }
 189   bool has3r1E3r2() const { return Has3r1E3r2; }
 190   bool has3r2E3r3() const { return Has3r2E3r3; }
 191   bool has3E3r1() const { return Has3E3r1; }
 192   bool has3E7() const { return Has3E7; }
 193   bool hasMP() const { return HasMP; }
 194   bool hasMP1E2() const { return HasMP1E2; }
 195   bool has7E10() const { return Has7E10; }
 196   bool has10E60() const { return Has10E60; }
 197
 198   bool isCK801() const { return CSKYProcFamily == CK801; }
 199   bool isCK802() const { return CSKYProcFamily == CK802; }
 200   bool isCK803() const { return CSKYProcFamily == CK803; }
 201   bool isCK803S() const { return CSKYProcFamily == CK803S; }
 202   bool isCK804() const { return CSKYProcFamily == CK804; }
 203   bool isCK805() const { return CSKYProcFamily == CK805; }
 204   bool isCK807() const { return CSKYProcFamily == CK807; }
 205   bool isCK810() const { return CSKYProcFamily == CK810; }
 206   bool isCK810V() const { return CSKYProcFamily == CK810V; }
 207   bool isCK860() const { return CSKYProcFamily == CK860; }
 208   bool isCK860V() const { return CSKYProcFamily == CK860V; }
 209
 210   const unsigned XLen = 32;
 211 };
 212 } // namespace llvm
 213
 214 #endif // LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H