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x64 dynarec: use register alloc spans, implement native opcodes

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Flyinghead 2019-01-12 23:48:48 +01:00
parent fc05727538
commit a2cd9d7af1
2 changed files with 789 additions and 141 deletions
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860
core/rec-x64/rec_x64.cpp
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core/rec-x64/x64_regalloc.h Normal file
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/*
Copyright 2019 flyinghead
This file is part of reicast.
reicast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
reicast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with reicast. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef CORE_REC_X64_X64_REGALLOC_H_
#define CORE_REC_X64_X64_REGALLOC_H_
#include "deps/xbyak/xbyak.h"
#include "hw/sh4/dyna/regalloc.h"
#ifdef _WIN32
static Xbyak::Operand::Code alloc_regs[] = { Xbyak::Operand::RBX, Xbyak::Operand::RBP, Xbyak::Operand::RDI, Xbyak::Operand::RSI,
Xbyak::Operand::R12, Xbyak::Operand::R13, Xbyak::Operand::R14, Xbyak::Operand::R15, (Xbyak::Operand::Code)-1 };
#else
static Xbyak::Operand::Code alloc_regs[] = { Xbyak::Operand::RBX, Xbyak::Operand::RBP, Xbyak::Operand::R12, Xbyak::Operand::R13,
Xbyak::Operand::R14, Xbyak::Operand::R15, (Xbyak::Operand::Code)-1 };
#endif
static s8 alloc_fregs[] = { 8, 9, 10, 11, 12, 13, 14, 15, -1 }; // XMM8-15
class BlockCompiler;
struct X64RegAlloc : RegAlloc<Xbyak::Operand::Code, s8, false>
{
X64RegAlloc(BlockCompiler *compiler) : compiler(compiler) {}
void DoAlloc(RuntimeBlockInfo* block)
{
RegAlloc::DoAlloc(block, alloc_regs, alloc_fregs);
}
virtual void Preload(u32 reg, Xbyak::Operand::Code nreg) override;
virtual void Writeback(u32 reg, Xbyak::Operand::Code nreg) override;
virtual void Preload_FPU(u32 reg, s8 nreg) override;
virtual void Writeback_FPU(u32 reg, s8 nreg) override;
Xbyak::Reg32 MapRegister(const shil_param& param)
{
Xbyak::Operand::Code ereg = mapg(param);
if (ereg == (Xbyak::Operand::Code)-1)
die("Register not allocated");
return Xbyak::Reg32(ereg);
}
Xbyak::Xmm MapXRegister(const shil_param& param, u32 index = 0)
{
s8 ereg = mapfv(param, index);
if (ereg == -1)
die("VRegister not allocated");
return Xbyak::Xmm(ereg);
}
BlockCompiler *compiler;
};
#endif /* CORE_REC_X64_X64_REGALLOC_H_ */