d47cccc157
+ Microarchitecture optimizations + 64-bit support + Xilinx FPGA support + LLVM-16 support + Refactoring and quality control fixes
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <unordered_map>
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namespace vortex {
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class UUIDGenerator {
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public:
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UUIDGenerator() : ids_(0) {}
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virtual ~UUIDGenerator() {}
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uint32_t get_uuid(uint64_t PC) {
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uint32_t id;
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uint32_t ref;
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auto it = uuid_map_.find(PC);
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if (it != uuid_map_.end()) {
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uint64_t value = it->second;
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id = value & 0xffff;
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ref = value >> 16;
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} else {
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id = ids_++;
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ref = -1;
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}
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++ref;
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uint64_t ret = (uint64_t(ref) << 16) | id;
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uuid_map_[PC] = ret;
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return ret;
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}
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void reset() {
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uuid_map_.clear();
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ids_ = 0;
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}
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private:
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std::unordered_map<uint64_t, uint32_t> uuid_map_;
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uint32_t ids_;
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};
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} |