mirror of https://github.com/PCSX2/pcsx2.git
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// SPDX-FileCopyrightText: 2002-2023 PCSX2 Dev Team
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// SPDX-License-Identifier: LGPL-3.0+
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#pragma once
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// Implementations found here: TEST + BTS/BT/BTC/BTR + BSF/BSR! (for lack of better location)
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namespace x86Emitter
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{
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// --------------------------------------------------------------------------------------
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// xImpl_Test
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// --------------------------------------------------------------------------------------
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//
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struct xImpl_Test
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{
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void operator()(const xRegisterInt& to, const xRegisterInt& from) const;
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void operator()(const xIndirect64orLess& dest, int imm) const;
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void operator()(const xRegisterInt& to, int imm) const;
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};
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enum G8Type
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{
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G8Type_BT = 4,
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G8Type_BTS,
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G8Type_BTR,
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G8Type_BTC,
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};
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// --------------------------------------------------------------------------------------
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// BSF / BSR
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// --------------------------------------------------------------------------------------
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// 16/32 operands are available. No 8 bit ones, not that any of you cared, I bet.
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//
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struct xImpl_BitScan
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{
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// 0xbc [fwd] / 0xbd [rev]
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u16 Opcode;
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void operator()(const xRegister16or32or64& to, const xRegister16or32or64& from) const;
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void operator()(const xRegister16or32or64& to, const xIndirectVoid& sibsrc) const;
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};
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// --------------------------------------------------------------------------------------
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// xImpl_Group8
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// --------------------------------------------------------------------------------------
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// Bit Test Instructions - Valid on 16/32 bit instructions only.
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//
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struct xImpl_Group8
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{
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G8Type InstType;
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void operator()(const xRegister16or32or64& bitbase, const xRegister16or32or64& bitoffset) const;
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void operator()(const xRegister16or32or64& bitbase, u8 bitoffset) const;
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void operator()(const xIndirectVoid& bitbase, const xRegister16or32or64& bitoffset) const;
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void operator()(const xIndirect64& bitbase, u8 bitoffset) const;
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void operator()(const xIndirect32& bitbase, u8 bitoffset) const;
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void operator()(const xIndirect16& bitbase, u8 bitoffset) const;
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};
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} // End namespace x86Emitter
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