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66 lines
2.1 KiB
66 lines
2.1 KiB
//=-- HexagonMCShuffler.h ---------------------------------------------------=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This declares the shuffling of insns inside a bundle according to the
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// packet formation rules of the Hexagon ISA.
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//
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//===----------------------------------------------------------------------===//
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#ifndef HEXAGONMCSHUFFLER_H
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#define HEXAGONMCSHUFFLER_H
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#include "MCTargetDesc/HexagonShuffler.h"
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namespace llvm_ks {
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class MCInst;
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// Insn bundle shuffler.
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class HexagonMCShuffler : public HexagonShuffler {
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bool immext_present;
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bool duplex_present;
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public:
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HexagonMCShuffler(MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
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MCInst &MCB)
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: HexagonShuffler(MCII, STI) {
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init(MCB);
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};
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HexagonMCShuffler(MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
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MCInst &MCB, const MCInst *AddMI,
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bool bInsertAtFront = false)
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: HexagonShuffler(MCII, STI) {
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init(MCB, AddMI, bInsertAtFront);
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};
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// Copy reordered bundle to another.
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void copyTo(MCInst &MCB);
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// Reorder and copy result to another.
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bool reshuffleTo(MCInst &MCB);
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bool immextPresent() const { return immext_present; };
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bool duplexPresent() const { return duplex_present; };
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private:
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void init(MCInst &MCB);
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void init(MCInst &MCB, const MCInst *AddMI, bool bInsertAtFront = false);
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};
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// Invocation of the shuffler.
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bool HexagonMCShuffle(MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
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MCInst &);
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bool HexagonMCShuffle(MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
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MCInst &, const MCInst *, int);
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unsigned HexagonMCShuffle(MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
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MCContext &Context, MCInst &,
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SmallVector<DuplexCandidate, 8>);
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}
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#endif // HEXAGONMCSHUFFLER_H
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