RandomWOW/src/InterpretedVirtualMachine.hpp

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/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX 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 3 of the License, or
(at your option) any later version.
RandomX 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 RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
//#define STATS
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#include <new>
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#include "VirtualMachine.hpp"
#include "Program.hpp"
#include "intrinPortable.h"
#include <vector>
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namespace RandomX {
struct InstructionByteCode;
template<bool superscalar> class InterpretedVirtualMachine;
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template<bool superscalar>
using InstructionHandler = void(InterpretedVirtualMachine<superscalar>::*)(Instruction&);
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struct InstructionByteCode {
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union {
int_reg_t* idst;
__m128d* fdst;
};
union {
int_reg_t* isrc;
__m128d* fsrc;
};
union {
uint64_t imm;
int64_t simm;
};
int_reg_t* creg;
uint16_t condition;
int16_t target;
uint32_t memMask;
uint16_t type;
uint16_t shift;
};
constexpr int asedwfagdewsa = sizeof(InstructionByteCode);
template<bool superscalar>
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class InterpretedVirtualMachine : public VirtualMachine {
public:
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void* operator new(size_t size) {
void* ptr = _mm_malloc(size, 64);
if (ptr == nullptr)
throw std::bad_alloc();
return ptr;
}
void operator delete(void* ptr) {
_mm_free(ptr);
}
InterpretedVirtualMachine(bool soft) : softAes(soft) {}
~InterpretedVirtualMachine() {}
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void setDataset(dataset_t ds, uint64_t size, SuperscalarProgram(&programs)[RANDOMX_CACHE_ACCESSES]) override;
void initialize() override;
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void execute() override;
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static void executeSuperscalar(int_reg_t(&r)[8], SuperscalarProgram& prog, std::vector<uint64_t>& reciprocals);
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private:
static InstructionHandler<superscalar> engine[256];
DatasetReadFunc readDataset;
bool softAes;
InstructionByteCode byteCode[RANDOMX_PROGRAM_SIZE];
std::vector<uint64_t> reciprocals;
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alignas(64) SuperscalarProgram superScalarPrograms[RANDOMX_CACHE_ACCESSES];
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#ifdef STATS
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int count_ADD_64 = 0;
int count_ADD_32 = 0;
int count_SUB_64 = 0;
int count_SUB_32 = 0;
int count_MUL_64 = 0;
int count_MULH_64 = 0;
int count_MUL_32 = 0;
int count_IMUL_32 = 0;
int count_IMULH_64 = 0;
int count_DIV_64 = 0;
int count_IDIV_64 = 0;
int count_AND_64 = 0;
int count_AND_32 = 0;
int count_OR_64 = 0;
int count_OR_32 = 0;
int count_XOR_64 = 0;
int count_XOR_32 = 0;
int count_SHL_64 = 0;
int count_SHR_64 = 0;
int count_SAR_64 = 0;
int count_ROL_64 = 0;
int count_ROR_64 = 0;
int count_FADD = 0;
int count_FSUB = 0;
int count_FMUL = 0;
int count_FDIV = 0;
int count_FSQRT = 0;
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int count_FPROUND = 0;
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int count_JUMP_taken = 0;
int count_JUMP_not_taken = 0;
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int count_jump_taken[8] = { 0 };
int count_jump_not_taken[8] = { 0 };
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int count_max_stack = 0;
int count_retdepth = 0;
int count_retdepth_max = 0;
int count_endstack = 0;
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int count_instructions[RANDOMX_PROGRAM_SIZE] = { 0 };
int count_FADD_nop = 0;
int count_FADD_nop2 = 0;
int count_FSUB_nop = 0;
int count_FSUB_nop2 = 0;
int count_FMUL_nop = 0;
int count_FMUL_nop2 = 0;
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int datasetAccess[256] = { 0 };
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#endif
void precompileProgram(int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
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void precompileSuperscalar(SuperscalarProgram*);
void executeBytecode(int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
void executeBytecode(int& i, int_reg_t(&r)[8], __m128d (&f)[4], __m128d (&e)[4], __m128d (&a)[4]);
void executeSuperscalar(uint32_t blockNumber, int_reg_t(&r)[8]);
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};
}