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
27namespace llvm {
28class StringRef;
29
30class 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
111public:
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
215

source code of llvm/lib/Target/CSKY/CSKYSubtarget.h