//
//===----------------------------------------------------------------------===//
-#ifndef MIPSSEINSTRUCTIONINFO_H
-#define MIPSSEINSTRUCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEINSTRINFO_H
+#define LLVM_LIB_TARGET_MIPS_MIPSSEINSTRINFO_H
#include "MipsInstrInfo.h"
-#include "MipsAnalyzeImmediate.h"
#include "MipsSERegisterInfo.h"
namespace llvm {
class MipsSEInstrInfo : public MipsInstrInfo {
const MipsSERegisterInfo RI;
- bool IsN64;
public:
- explicit MipsSEInstrInfo(MipsTargetMachine &TM);
+ explicit MipsSEInstrInfo(const MipsSubtarget &STI);
- virtual const MipsRegisterInfo &getRegisterInfo() const;
+ const MipsRegisterInfo &getRegisterInfo() const override;
/// isLoadFromStackSlot - If the specified machine instruction is a direct
/// load from a stack slot, return the virtual or physical register number of
/// the destination along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than loading from the stack slot.
- virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
- int &FrameIndex) const;
+ unsigned isLoadFromStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
/// isStoreToStackSlot - If the specified machine instruction is a direct
/// store to a stack slot, return the virtual or physical register number of
/// the source reg along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than storing to the stack slot.
- virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
- int &FrameIndex) const;
-
- virtual void copyPhysReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI, DebugLoc DL,
- unsigned DestReg, unsigned SrcReg,
- bool KillSrc) const;
-
- virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned SrcReg, bool isKill, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
-
- virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned DestReg, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
-
- virtual bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const;
-
- virtual unsigned GetOppositeBranchOpc(unsigned Opc) const;
+ unsigned isStoreToStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
+
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const override;
+
+ void storeRegToStack(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned SrcReg, bool isKill, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI,
+ int64_t Offset) const override;
+
+ void loadRegFromStack(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI,
+ int64_t Offset) const override;
+
+ bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const override;
+
+ unsigned getOppositeBranchOpc(unsigned Opc) const override;
+
+ /// Adjust SP by Amount bytes.
+ void adjustStackPtr(unsigned SP, int64_t Amount, MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const override;
+
+ /// Emit a series of instructions to load an immediate. If NewImm is a
+ /// non-NULL parameter, the last instruction is not emitted, but instead
+ /// its immediate operand is returned in NewImm.
+ unsigned loadImmediate(int64_t Imm, MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator II, DebugLoc DL,
+ unsigned *NewImm) const;
private:
- virtual unsigned GetAnalyzableBrOpc(unsigned Opc) const;
-
- void ExpandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned Opc) const;
- void ExpandExtractElementF64(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const;
- void ExpandBuildPairF64(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const;
+ unsigned getAnalyzableBrOpc(unsigned Opc) const override;
+
+ void expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const;
+
+ std::pair<bool, bool> compareOpndSize(unsigned Opc,
+ const MachineFunction &MF) const;
+
+ void expandPseudoMFHiLo(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+ unsigned NewOpc) const;
+
+ void expandPseudoMTLoHi(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+ unsigned LoOpc, unsigned HiOpc,
+ bool HasExplicitDef) const;
+
+ /// Expand pseudo Int-to-FP conversion instructions.
+ ///
+ /// For example, the following pseudo instruction
+ /// PseudoCVT_D32_W D2, A5
+ /// gets expanded into these two instructions:
+ /// MTC1 F4, A5
+ /// CVT_D32_W D2, F4
+ ///
+ /// We do this expansion post-RA to avoid inserting a floating point copy
+ /// instruction between MTC1 and CVT_D32_W.
+ void expandCvtFPInt(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+ unsigned CvtOpc, unsigned MovOpc, bool IsI64) const;
+
+ void expandExtractElementF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, bool FP64) const;
+ void expandBuildPairF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, bool FP64) const;
+ void expandEhReturn(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const;
};
}