99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
#ifndef RISCV64_INFO_H
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#define RISCV64_INFO_H
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#include "RISCv64LLIR.h"
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#include <map>
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#include <vector>
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namespace sysy {
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// 定义一个全局的、权威的指令信息表
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// 它包含了指令的定义(def)和使用(use)操作数索引
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// defs: {0} -> 第一个操作数是定义
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// uses: {1, 2} -> 第二、三个操作数是使用
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static const std::map<RVOpcodes, std::pair<std::vector<int>, std::vector<int>>> op_info = {
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// --- 整数计算 (R-Type) ---
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{RVOpcodes::ADD, {{0}, {1, 2}}},
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{RVOpcodes::SUB, {{0}, {1, 2}}},
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{RVOpcodes::MUL, {{0}, {1, 2}}},
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{RVOpcodes::MULH, {{0}, {1, 2}}},
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{RVOpcodes::DIV, {{0}, {1, 2}}},
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{RVOpcodes::DIVW, {{0}, {1, 2}}},
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{RVOpcodes::REM, {{0}, {1, 2}}},
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{RVOpcodes::REMW, {{0}, {1, 2}}},
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{RVOpcodes::ADDW, {{0}, {1, 2}}},
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{RVOpcodes::SUBW, {{0}, {1, 2}}},
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{RVOpcodes::MULW, {{0}, {1, 2}}},
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{RVOpcodes::SLT, {{0}, {1, 2}}},
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{RVOpcodes::SLTU, {{0}, {1, 2}}},
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{RVOpcodes::XOR, {{0}, {1, 2}}},
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{RVOpcodes::OR, {{0}, {1, 2}}},
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{RVOpcodes::AND, {{0}, {1, 2}}},
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{RVOpcodes::SLL, {{0}, {1, 2}}},
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{RVOpcodes::SRL, {{0}, {1, 2}}},
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{RVOpcodes::SRA, {{0}, {1, 2}}},
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{RVOpcodes::SLLW, {{0}, {1, 2}}},
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{RVOpcodes::SRLW, {{0}, {1, 2}}},
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{RVOpcodes::SRAW, {{0}, {1, 2}}},
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// --- 整数计算 (I-Type) ---
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{RVOpcodes::ADDI, {{0}, {1}}},
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{RVOpcodes::ADDIW, {{0}, {1}}},
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{RVOpcodes::XORI, {{0}, {1}}},
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{RVOpcodes::ORI, {{0}, {1}}},
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{RVOpcodes::ANDI, {{0}, {1}}},
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{RVOpcodes::SLTI, {{0}, {1}}},
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{RVOpcodes::SLTIU, {{0}, {1}}},
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{RVOpcodes::SLLI, {{0}, {1}}},
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{RVOpcodes::SLLIW, {{0}, {1}}},
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{RVOpcodes::SRLI, {{0}, {1}}},
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{RVOpcodes::SRLIW, {{0}, {1}}},
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{RVOpcodes::SRAI, {{0}, {1}}},
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{RVOpcodes::SRAIW, {{0}, {1}}},
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// --- 内存加载 ---
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{RVOpcodes::LW, {{0}, {}}}, {RVOpcodes::LH, {{0}, {}}}, {RVOpcodes::LB, {{0}, {}}},
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{RVOpcodes::LWU, {{0}, {}}}, {RVOpcodes::LHU, {{0}, {}}}, {RVOpcodes::LBU, {{0}, {}}},
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{RVOpcodes::LD, {{0}, {}}},
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{RVOpcodes::FLW, {{0}, {}}}, {RVOpcodes::FLD, {{0}, {}}},
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// --- 内存存储 ---
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{RVOpcodes::SW, {{}, {0, 1}}}, {RVOpcodes::SH, {{}, {0, 1}}}, {RVOpcodes::SB, {{}, {0, 1}}},
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{RVOpcodes::SD, {{}, {0, 1}}},
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{RVOpcodes::FSW, {{}, {0, 1}}}, {RVOpcodes::FSD, {{}, {0, 1}}},
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// --- 分支指令 ---
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{RVOpcodes::BEQ, {{}, {0, 1}}}, {RVOpcodes::BNE, {{}, {0, 1}}}, {RVOpcodes::BLT, {{}, {0, 1}}},
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{RVOpcodes::BGE, {{}, {0, 1}}}, {RVOpcodes::BLTU, {{}, {0, 1}}}, {RVOpcodes::BGEU, {{}, {0, 1}}},
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// --- 跳转 ---
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{RVOpcodes::JAL, {{0}, {}}}, // JAL的rd是def，但通常用x0表示不关心返回值，这里简化
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{RVOpcodes::JALR, {{0}, {1}}},
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{RVOpcodes::RET, {{}, {}}}, // RET是伪指令，通常展开为JALR
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// --- 伪指令 & 其他 ---
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{RVOpcodes::LI, {{0}, {}}}, {RVOpcodes::LA, {{0}, {}}},
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{RVOpcodes::MV, {{0}, {1}}},
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{RVOpcodes::NEG, {{0}, {1}}}, // sub rd, zero, rs1
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{RVOpcodes::NEGW, {{0}, {1}}}, // subw rd, zero, rs1
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{RVOpcodes::SEQZ, {{0}, {1}}},
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{RVOpcodes::SNEZ, {{0}, {1}}},
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// --- 函数调用 ---
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// CALL的use/def在getInstrUseDef中有特殊处理逻辑，这里可以不列出
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// --- 浮点指令 ---
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{RVOpcodes::FADD_S, {{0}, {1, 2}}}, {RVOpcodes::FSUB_S, {{0}, {1, 2}}},
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{RVOpcodes::FMUL_S, {{0}, {1, 2}}}, {RVOpcodes::FDIV_S, {{0}, {1, 2}}},
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{RVOpcodes::FMADD_S, {{0}, {1, 2, 3}}},
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{RVOpcodes::FEQ_S, {{0}, {1, 2}}}, {RVOpcodes::FLT_S, {{0}, {1, 2}}}, {RVOpcodes::FLE_S, {{0}, {1, 2}}},
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{RVOpcodes::FCVT_S_W, {{0}, {1}}}, {RVOpcodes::FCVT_W_S, {{0}, {1}}},
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{RVOpcodes::FCVT_W_S_RTZ, {{0}, {1}}},
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{RVOpcodes::FMV_S, {{0}, {1}}}, {RVOpcodes::FMV_W_X, {{0}, {1}}}, {RVOpcodes::FMV_X_W, {{0}, {1}}},
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{RVOpcodes::FNEG_S, {{0}, {1}}}
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};
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} // namespace sysy
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#endif // RISCV64_INFO_H
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