1 files changed, 212 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.h b/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.h
new file mode 100644
index 000000000000..9e7ad00c0a50
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYSubtarget.h
@@ -0,0 +1,212 @@
+//===-- CSKYSubtarget.h - Define Subtarget for the CSKY----------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the CSKY specific subclass of TargetSubtargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H
+#define LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H
+
+#include "CSKYFrameLowering.h"
+#include "CSKYISelLowering.h"
+#include "CSKYInstrInfo.h"
+#include "CSKYRegisterInfo.h"
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
+#include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/Target/TargetMachine.h"
+
+#define GET_SUBTARGETINFO_HEADER
+#include "CSKYGenSubtargetInfo.inc"
+
+namespace llvm {
+class StringRef;
+
+class CSKYSubtarget : public CSKYGenSubtargetInfo {
+  virtual void anchor();
+
+  CSKYFrameLowering FrameLowering;
+  CSKYInstrInfo InstrInfo;
+  CSKYRegisterInfo RegInfo;
+  CSKYTargetLowering TLInfo;
+  SelectionDAGTargetInfo TSInfo;
+
+  enum CSKYProcFamilyEnum {
+    Others,
+
+    CK801,
+    CK802,
+    CK803,
+    CK803S,
+    CK804,
+    CK805,
+    CK807,
+    CK810,
+    CK810V,
+    CK860,
+    CK860V
+  };
+
+  /// CSKYProcFamily - CSKY processor family: CK801, CK802, and others.
+  CSKYProcFamilyEnum CSKYProcFamily = Others;
+
+  bool UseHardFloat;
+  bool UseHardFloatABI;
+  bool HasFPUv2SingleFloat;
+  bool HasFPUv2DoubleFloat;
+  bool HasFPUv3HalfWord;
+  bool HasFPUv3HalfFloat;
+  bool HasFPUv3SingleFloat;
+  bool HasFPUv3DoubleFloat;
+  bool HasFdivdu;
+  bool HasFLOATE1;
+  bool HasFLOAT1E2;
+  bool HasFLOAT1E3;
+  bool HasFLOAT3E4;
+  bool HasFLOAT7E60;
+  bool HasBTST16;
+  bool HasExtendLrw;
+  bool HasTrust;
+  bool HasJAVA;
+  bool HasCache;
+  bool HasNVIC;
+  bool HasDSP;
+  bool HasDSP1E2;
+  bool HasDSPE60;
+  bool HasDSPV2;
+  bool HasDSP_Silan;
+  bool HasDoloop;
+  bool HasHardwareDivide;
+  bool HasHighRegisters;
+  bool HasVDSPV2;
+  bool HasVDSP2E3;
+  bool HasVDSP2E60F;
+  bool ReadTPHard;
+  bool HasVDSPV1_128;
+  bool UseCCRT;
+  bool DumpConstPool;
+  bool EnableInterruptAttribute;
+  bool HasPushPop;
+  bool HasSTM;
+  bool SmartMode;
+  bool EnableStackSize;
+
+  bool HasE1;
+  bool HasE2;
+  bool Has2E3;
+  bool HasMP;
+  bool Has3E3r1;
+  bool Has3r1E3r2;
+  bool Has3r2E3r3;
+  bool Has3E7;
+  bool HasMP1E2;
+  bool Has7E10;
+  bool Has10E60;
+
+public:
+  CSKYSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
+                StringRef FS, const TargetMachine &TM);
+
+  const CSKYFrameLowering *getFrameLowering() const override {
+    return &FrameLowering;
+  }
+  const CSKYInstrInfo *getInstrInfo() const override { return &InstrInfo; }
+  const CSKYRegisterInfo *getRegisterInfo() const override { return &RegInfo; }
+  const CSKYTargetLowering *getTargetLowering() const override {
+    return &TLInfo;
+  }
+  const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
+    return &TSInfo;
+  }
+
+  /// Initializes using the passed in CPU and feature strings so that we can
+  /// use initializer lists for subtarget initialization.
+  CSKYSubtarget &initializeSubtargetDependencies(const Triple &TT,
+                                                 StringRef CPU,
+                                                 StringRef TuneCPU,
+                                                 StringRef FS);
+
+  // Generated by inc file
+  void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
+
+  bool useHardFloatABI() const;
+  bool useHardFloat() const { return UseHardFloat; }
+  bool hasFPUv2SingleFloat() const { return HasFPUv2SingleFloat; }
+  bool hasFPUv2DoubleFloat() const { return HasFPUv2DoubleFloat; }
+  bool hasFPUv2() const { return HasFPUv2SingleFloat || HasFPUv2DoubleFloat; }
+  bool hasFPUv3HalfWord() const { return HasFPUv3HalfWord; }
+  bool hasFPUv3HalfFloat() const { return HasFPUv3HalfFloat; }
+  bool hasFPUv3SingleFloat() const { return HasFPUv3SingleFloat; }
+  bool hasFPUv3DoubleFloat() const { return HasFPUv3DoubleFloat; }
+  bool hasFPUv3() const {
+    return HasFPUv3HalfFloat || HasFPUv3SingleFloat || HasFPUv3DoubleFloat;
+  }
+  bool hasAnyFloatExt() const { return hasFPUv2() || hasFPUv3(); };
+  bool hasFdivdu() const { return HasFdivdu; }
+  bool hasFLOATE1() const { return HasFLOATE1; }
+  bool hasFLOAT1E2() const { return HasFLOAT1E2; }
+  bool hasFLOAT1E3() const { return HasFLOAT1E3; }
+  bool hasFLOAT3E4() const { return HasFLOAT3E4; }
+  bool hasFLOAT7E60() const { return HasFLOAT7E60; }
+  bool hasExtendLrw() const { return HasExtendLrw; }
+  bool hasBTST16() const { return HasBTST16; }
+  bool hasTrust() const { return HasTrust; }
+  bool hasJAVA() const { return HasJAVA; }
+  bool hasCache() const { return HasCache; }
+  bool hasNVIC() const { return HasNVIC; }
+  bool hasDSP() const { return HasDSP; }
+  bool hasDSP1E2() const { return HasDSP1E2; }
+  bool hasDSPE60() const { return HasDSPE60; }
+  bool hasDSPV2() const { return HasDSPV2; }
+  bool hasDSP_Silan() const { return HasDSP_Silan; }
+  bool hasDoloop() const { return HasDoloop; }
+  bool hasHighRegisters() const { return HasHighRegisters; }
+  bool hasVDSPV2() const { return HasVDSPV2; }
+  bool hasVDSPV2_FLOAT() const { return HasVDSPV2 && UseHardFloat; }
+  bool hasVDSPV2_HALF() const {
+    return HasVDSPV2 && UseHardFloat && HasFPUv3HalfFloat;
+  }
+  bool hasVDSP2E3() const { return HasVDSP2E3; }
+  bool hasVDSP2E60F() const { return HasVDSP2E60F; }
+  bool readTPHard() const { return ReadTPHard; }
+  bool hasVDSPV1_128() const { return HasVDSPV1_128; }
+  bool useCCRT() const { return UseCCRT; }
+  bool dumpConstPool() const { return DumpConstPool; }
+  bool enableInterruptAttribute() const { return EnableInterruptAttribute; }
+  bool hasPushPop() const { return HasPushPop; }
+  bool hasSTM() const { return HasSTM; }
+  bool smartMode() const { return SmartMode; }
+  bool enableStackSize() const { return EnableStackSize; }
+
+  bool hasE1() const { return HasE1; }
+  bool hasE2() const { return HasE2; }
+  bool has2E3() const { return Has2E3; }
+  bool has3r1E3r2() const { return Has3r1E3r2; }
+  bool has3r2E3r3() const { return Has3r2E3r3; }
+  bool has3E3r1() const { return Has3E3r1; }
+  bool has3E7() const { return Has3E7; }
+  bool hasMP() const { return HasMP; }
+  bool hasMP1E2() const { return HasMP1E2; }
+  bool has7E10() const { return Has7E10; }
+  bool has10E60() const { return Has10E60; }
+
+  bool isCK801() const { return CSKYProcFamily == CK801; }
+  bool isCK802() const { return CSKYProcFamily == CK802; }
+  bool isCK803() const { return CSKYProcFamily == CK803; }
+  bool isCK803S() const { return CSKYProcFamily == CK803S; }
+  bool isCK804() const { return CSKYProcFamily == CK804; }
+  bool isCK805() const { return CSKYProcFamily == CK805; }
+  bool isCK807() const { return CSKYProcFamily == CK807; }
+  bool isCK810() const { return CSKYProcFamily == CK810; }
+  bool isCK810V() const { return CSKYProcFamily == CK810V; }
+  bool isCK860() const { return CSKYProcFamily == CK860; }
+  bool isCK860V() const { return CSKYProcFamily == CK860V; }
+};
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_CSKY_CSKYSUBTARGET_H