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61 lines
1.4 KiB
C++
Executable File
61 lines
1.4 KiB
C++
Executable File
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include <cstring>
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#include <fmt/format.h>
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#include <fmt/ostream.h>
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#include "common/assert.h"
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#include "common/fp/fpcr.h"
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#include "common/fp/rounding_mode.h"
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#include "fuzz_util.h"
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#include "rand_int.h"
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using namespace Dynarmic;
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std::ostream& operator<<(std::ostream& o, Vector vec) {
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return o << fmt::format("{:016x}'{:016x}", vec[1], vec[0]);
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}
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Vector RandomVector() {
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return {RandInt<u64>(0, ~u64(0)), RandInt<u64>(0, ~u64(0))};
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}
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u32 RandomFpcr() {
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FP::FPCR fpcr;
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fpcr.AHP(RandInt(0, 1) == 0);
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fpcr.DN(RandInt(0, 1) == 0);
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fpcr.FZ(RandInt(0, 1) == 0);
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fpcr.RMode(static_cast<FP::RoundingMode>(RandInt(0, 3)));
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fpcr.FZ16(RandInt(0, 1) == 0);
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return fpcr.Value();
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}
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InstructionGenerator::InstructionGenerator(const char* format){
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ASSERT(std::strlen(format) == 32);
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for (int i = 0; i < 32; i++) {
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const u32 bit = 1u << (31 - i);
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switch (format[i]) {
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case '0':
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mask |= bit;
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break;
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case '1':
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bits |= bit;
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mask |= bit;
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break;
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default:
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// Do nothing
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break;
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}
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}
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}
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u32 InstructionGenerator::Generate() const {
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const u32 random = RandInt<u32>(0, 0xFFFFFFFF);
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return bits | (random & ~mask);
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}
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