72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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Copyright 2019 flyinghead
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This file is part of reicast.
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reicast is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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reicast is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with reicast. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "hw/sh4/dyna/ssa_regalloc.h"
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#include <aarch64/macro-assembler-aarch64.h>
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using namespace vixl::aarch64;
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#define ALLOC_F64 true
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enum eReg {
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W0, W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14, W15, W16,
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W17, W18, W19, W20, W21, W22, W23, W24, W25, W26, W27, W28, W29, W30
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};
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enum eFReg {
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S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16,
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S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27, S28, S29, S30, S31
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};
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static eReg alloc_regs[] = { W19, W20, W21, W22, W23, W24, W25, W26, (eReg)-1 };
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static eFReg alloc_fregs[] = { S8, S9, S10, S11, S12, S13, S14, S15, (eFReg)-1 };
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class Arm64Assembler;
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struct Arm64RegAlloc : RegAlloc<eReg, eFReg, ALLOC_F64>
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{
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Arm64RegAlloc(Arm64Assembler *assembler) : assembler(assembler) {}
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void DoAlloc(RuntimeBlockInfo* block)
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{
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RegAlloc::DoAlloc(block, alloc_regs, alloc_fregs);
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}
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void Preload(u32 reg, eReg nreg) override;
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void Writeback(u32 reg, eReg nreg) override;
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void Preload_FPU(u32 reg, eFReg nreg) override;
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void Writeback_FPU(u32 reg, eFReg nreg) override;
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const Register& MapRegister(const shil_param& param)
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{
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eReg ereg = mapg(param);
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if (ereg == (eReg)-1)
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die("Register not allocated");
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return Register::GetWRegFromCode(ereg);
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}
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const VRegister& MapVRegister(const shil_param& param, int index = 0)
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{
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eFReg ereg = mapf(param, index);
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if (ereg == (eFReg)-1)
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die("VRegister not allocated");
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return VRegister::GetSRegFromCode(ereg);
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}
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Arm64Assembler *assembler;
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};
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