mirror of https://github.com/PCSX2/pcsx2.git
62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2015 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// Implement BMI1/BMI2 instruction set
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namespace x86Emitter {
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struct xImplBMI_RVM
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{
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u8 Prefix;
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u8 MbPrefix;
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u8 Opcode;
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// RVM
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// MULX Unsigned multiply without affecting flags, and arbitrary destination registers
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// PDEP Parallel bits deposit
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// PEXT Parallel bits extract
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// ANDN Logical and not ~x & y
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void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xRegisterInt& from2) const;
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void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xIndirectVoid& from2) const;
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#if 0
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// RMV
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// BEXTR Bit field extract (with register) (src >> start) & ((1 << len)-1)[9]
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// BZHI Zero high bits starting with specified bit position
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// SARX Shift arithmetic right without affecting flags
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// SHRX Shift logical right without affecting flags
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// SHLX Shift logical left without affecting flags
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// FIXME: WARNING same as above but V and M are inverted
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//void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xRegisterInt& from2) const;
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//void operator()( const xRegisterInt& to, const xIndirectVoid& from1, const xRegisterInt& from2) const;
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// VM
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// BLSI Extract lowest set isolated bit x & -x
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// BLSMSK Get mask up to lowest set bit x ^ (x - 1)
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// BLSR Reset lowest set bit x & (x - 1)
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void operator()( const xRegisterInt& to, const xRegisterInt& from) const;
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void operator()( const xRegisterInt& to, const xIndirectVoid& from) const;
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// RMI
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//RORX Rotate right logical without affecting flags
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void operator()( const xRegisterInt& to, const xRegisterInt& from, u8 imm) const;
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void operator()( const xRegisterInt& to, const xIndirectVoid& from, u8 imm) const;
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#endif
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};
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}
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