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8b84d7650b
Hashrate improved by 0.5-1.5% depending on RandomX version and CPU.
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <cstdint>
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#include <type_traits>
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#include "crypto/randomx/blake2/endian.h"
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namespace randomx {
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class Instruction;
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enum class InstructionType : uint16_t {
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IADD_RS = 0,
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IADD_M = 1,
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ISUB_R = 2,
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ISUB_M = 3,
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IMUL_R = 4,
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IMUL_M = 5,
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IMULH_R = 6,
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IMULH_M = 7,
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ISMULH_R = 8,
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ISMULH_M = 9,
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IMUL_RCP = 10,
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INEG_R = 11,
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IXOR_R = 12,
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IXOR_M = 13,
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IROR_R = 14,
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IROL_R = 15,
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ISWAP_R = 16,
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FSWAP_R = 17,
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FADD_R = 18,
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FADD_M = 19,
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FSUB_R = 20,
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FSUB_M = 21,
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FSCAL_R = 22,
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FMUL_R = 23,
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FDIV_M = 24,
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FSQRT_R = 25,
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CBRANCH = 26,
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CFROUND = 27,
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ISTORE = 28,
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NOP = 29,
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};
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class Instruction {
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public:
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uint32_t getImm32() const {
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return load32(&imm32);
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}
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void setImm32(uint32_t val) {
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return store32(&imm32, val);
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}
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uint32_t getModMem() const {
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return mod & 3; //bits 0-1
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}
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uint32_t getModShift() const {
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return (mod >> 2) & 3; //bits 2-3
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}
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uint32_t getModCond() const {
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return mod >> 4; //bits 4-7
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}
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void setMod(uint8_t val) {
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mod = val;
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}
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uint8_t opcode;
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uint8_t dst;
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uint8_t src;
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uint8_t mod;
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uint32_t imm32;
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};
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static_assert(sizeof(Instruction) == 8, "Invalid size of struct randomx::Instruction");
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static_assert(std::is_standard_layout<Instruction>(), "randomx::Instruction must be a standard-layout struct");
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}
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