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author | Akira Hatanaka <ahatanaka@mips.com> | 2012-07-31 21:49:49 +0000 |
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committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-07-31 21:49:49 +0000 |
commit | 0bc1adbbc4fdc6d85a671ed70a1bbd345dba445d (patch) | |
tree | bff519453a5ba3fad9afa0ba5a6ed76668e29d64 /lib/Target/Mips/Mips16InstrInfo.h | |
parent | b4f921b1f0ae34d6cfda6034a7d32c73b0738351 (diff) | |
download | external_llvm-0bc1adbbc4fdc6d85a671ed70a1bbd345dba445d.zip external_llvm-0bc1adbbc4fdc6d85a671ed70a1bbd345dba445d.tar.gz external_llvm-0bc1adbbc4fdc6d85a671ed70a1bbd345dba445d.tar.bz2 |
Add definitions of two subclasses of MipsInstrInfo, MipsInstrInfo (for mips16),
and MipsSEInstrInfo (for mips32/64).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161081 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/Mips16InstrInfo.h')
-rw-r--r-- | lib/Target/Mips/Mips16InstrInfo.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips16InstrInfo.h b/lib/Target/Mips/Mips16InstrInfo.h new file mode 100644 index 0000000..fa61711 --- /dev/null +++ b/lib/Target/Mips/Mips16InstrInfo.h @@ -0,0 +1,71 @@ +//===-- Mips16InstrInfo.h - Mips16 Instruction Information ------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the Mips16 implementation of the TargetInstrInfo class. +// +//===----------------------------------------------------------------------===// + +#ifndef MIPS16INSTRUCTIONINFO_H +#define MIPS16INSTRUCTIONINFO_H + +#include "MipsInstrInfo.h" + +namespace llvm { + +class Mips16InstrInfo : public MipsInstrInfo { +public: + explicit Mips16InstrInfo(MipsTargetMachine &TM); + + /// 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; + + /// 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; + +private: + virtual unsigned GetAnalyzableBrOpc(unsigned Opc) const; + + void ExpandRetRA16(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, + unsigned Opc) const; +}; + +} + +#endif |