78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/*
|
|
Copyright 2021 flyinghead
|
|
|
|
This file is part of Flycast.
|
|
|
|
Flycast 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.
|
|
|
|
Flycast 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 Flycast. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
|
|
//#define OLD_REGALLOC
|
|
|
|
#ifdef OLD_REGALLOC
|
|
#include "hw/sh4/dyna/regalloc.h"
|
|
#else
|
|
#include "hw/sh4/dyna/ssa_regalloc.h"
|
|
#endif
|
|
|
|
class X86Compiler;
|
|
|
|
struct X86RegAlloc : RegAlloc<Xbyak::Operand::Code, s8>
|
|
{
|
|
X86RegAlloc(X86Compiler *compiler) : compiler(compiler) {}
|
|
|
|
void Preload(u32 reg, Xbyak::Operand::Code nreg) override;
|
|
void Writeback(u32 reg, Xbyak::Operand::Code nreg) override;
|
|
void Preload_FPU(u32 reg, s8 nreg) override;
|
|
void Writeback_FPU(u32 reg, s8 nreg) override;
|
|
|
|
void doAlloc(RuntimeBlockInfo* block);
|
|
|
|
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)
|
|
{
|
|
#ifdef OLD_REGALLOC
|
|
s8 ereg = mapfv(param, index);
|
|
#else
|
|
s8 ereg = mapf(param);
|
|
#endif
|
|
if (ereg == -1)
|
|
die("VRegister not allocated");
|
|
return Xbyak::Xmm(ereg);
|
|
}
|
|
|
|
bool IsMapped(const Xbyak::Xmm &xmm, size_t opid)
|
|
{
|
|
#ifndef OLD_REGALLOC
|
|
return regf_used((s8)xmm.getIdx());
|
|
#else
|
|
for (size_t sid = 0; sid < all_spans.size(); sid++)
|
|
{
|
|
if (all_spans[sid]->nregf == xmm.getIdx() && all_spans[sid]->contains(opid))
|
|
return true;
|
|
}
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
X86Compiler *compiler;
|
|
};
|