62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//===-- CSKYMCCodeEmitter.cpp - CSKY Code Emitter interface ---------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the CSKYMCCodeEmitter class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
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#define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
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#include "llvm/MC/MCCodeEmitter.h"
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#include "llvm/MC/MCContext.h"
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namespace llvm {
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class CSKYMCCodeEmitter : public MCCodeEmitter {
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MCContext &Ctx;
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const MCInstrInfo &MII;
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public:
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CSKYMCCodeEmitter(MCContext &Ctx, const MCInstrInfo &MII)
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: Ctx(Ctx), MII(MII) {}
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~CSKYMCCodeEmitter() {}
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void encodeInstruction(const MCInst &Inst, raw_ostream &OS,
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SmallVectorImpl<MCFixup> &Fixups,
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const MCSubtargetInfo &STI) const override;
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// Generated by tablegen.
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uint64_t getBinaryCodeForInstr(const MCInst &MI,
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SmallVectorImpl<MCFixup> &Fixups,
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const MCSubtargetInfo &STI) const;
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// Default encoding method used by tablegen.
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unsigned getMachineOpValue(const MCInst &MI, const MCOperand &MO,
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SmallVectorImpl<MCFixup> &Fixups,
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const MCSubtargetInfo &STI) const;
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template <int shift = 0>
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unsigned getImmOpValue(const MCInst &MI, unsigned Idx,
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SmallVectorImpl<MCFixup> &Fixups,
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const MCSubtargetInfo &STI) const {
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const MCOperand &MO = MI.getOperand(Idx);
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assert(MO.isImm() && "Unexpected MO type.");
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return (MO.getImm() >> shift);
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}
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unsigned getOImmOpValue(const MCInst &MI, unsigned Idx,
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SmallVectorImpl<MCFixup> &Fixups,
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const MCSubtargetInfo &STI) const;
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};
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
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