remove duplicate instruction.rs
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Generated
+1
@@ -54,6 +54,7 @@ name = "rs64"
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version = "0.1.0"
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dependencies = [
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"backend",
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"utils",
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]
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[[package]]
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@@ -5,3 +5,4 @@ edition = "2024"
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[dependencies]
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backend = { path = "backend/" }
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utils = { path = "utils/" }
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@@ -1,184 +0,0 @@
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use proc_bitfield::bitfield;
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bitfield! {
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#[derive(Clone, Copy, Debug)]
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pub struct Instruction(pub u32): FromStorage, IntoStorage, DerefStorage {
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pub special: u8 @ 0..6,
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pub regimm: u8 @ 16..21,
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pub rt: u8 @ 16..21,
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pub cop_rt: u8 @ 16..21,
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pub rs: u8 @ 21..26,
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pub cop_rs: u8 @ 21..26,
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pub opcode: u8 @ 26..32,
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pub imm: u16 @ 0..16,
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pub target: u32 @ 0..26,
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pub funct: u8 @ 0..6,
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pub sa: u8 @ 6..11,
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pub rd: u8 @ 11..16,
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}
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}
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pub enum BranchType {
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Pure,
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Likely,
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Link,
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LinkLikely,
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}
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impl Instruction {
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pub fn get_branch(self) -> Option<BranchType> {
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match self.opcode() {
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Instruction::BEQ | Instruction::BNE | Instruction::BLEZ | Instruction::BGTZ => {
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Some(BranchType::Pure)
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}
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Instruction::BEQL | Instruction::BNEL | Instruction::BLEZL | Instruction::BGTZL => {
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Some(BranchType::Likely)
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}
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Instruction::REGIMM => match self.regimm() {
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Instruction::BLTZ | Instruction::BGEZ => Some(BranchType::Pure),
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Instruction::BLTZAL | Instruction::BGEZAL => Some(BranchType::Link),
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Instruction::BLTZL | Instruction::BGEZL => Some(BranchType::Likely),
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Instruction::BLTZALL | Instruction::BGEZALL => Some(BranchType::LinkLikely),
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_ => None,
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},
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Instruction::COP1 => {
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if self.cop_rs() == 8 {
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match self.cop_rt() {
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0 | 1 => Some(BranchType::Pure),
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2 | 3 => Some(BranchType::Likely),
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_ => None,
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}
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} else {
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None
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}
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}
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_ => None,
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}
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}
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pub const SPECIAL: u8 = 0b000000;
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pub const REGIMM: u8 = 0b000001;
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pub const J: u8 = 0b000010;
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pub const JAL: u8 = 0b000011;
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pub const BEQ: u8 = 0b000100;
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pub const BNE: u8 = 0b000101;
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pub const BLEZ: u8 = 0b000110;
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pub const BGTZ: u8 = 0b000111;
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pub const ADDI: u8 = 0b001000;
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pub const ADDIU: u8 = 0b001001;
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pub const SLTI: u8 = 0b001010;
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pub const SLTIU: u8 = 0b001011;
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pub const ANDI: u8 = 0b001100;
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pub const ORI: u8 = 0b001101;
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pub const XORI: u8 = 0b001110;
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pub const LUI: u8 = 0b001111;
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pub const COP0: u8 = 0b010000;
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pub const COP1: u8 = 0b010001;
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pub const COP2: u8 = 0b010010;
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pub const BEQL: u8 = 0b010100;
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pub const BNEL: u8 = 0b010101;
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pub const BLEZL: u8 = 0b010110;
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pub const BGTZL: u8 = 0b010111;
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pub const DADDI: u8 = 0b011000;
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pub const DADDIU: u8 = 0b011001;
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pub const LDL: u8 = 0b011010;
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pub const LDR: u8 = 0b011011;
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pub const LB: u8 = 0b100000;
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pub const LH: u8 = 0b100001;
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pub const LWL: u8 = 0b100010;
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pub const LW: u8 = 0b100011;
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pub const LBU: u8 = 0b100100;
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pub const LHU: u8 = 0b100101;
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pub const LWR: u8 = 0b100110;
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pub const LWU: u8 = 0b100111;
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pub const SB: u8 = 0b101000;
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pub const SH: u8 = 0b101001;
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pub const SWL: u8 = 0b101010;
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pub const SW: u8 = 0b101011;
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pub const SDL: u8 = 0b101100;
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pub const SDR: u8 = 0b101101;
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pub const SWR: u8 = 0b101110;
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pub const CACHE: u8 = 0b101111;
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pub const LL: u8 = 0b110000;
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pub const LWC1: u8 = 0b110001;
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pub const LWC2: u8 = 0b110010;
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pub const LLD: u8 = 0b110100;
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pub const LDC1: u8 = 0b110101;
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pub const LDC2: u8 = 0b110110;
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pub const LD: u8 = 0b110111;
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pub const SC: u8 = 0b111000;
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pub const SWC1: u8 = 0b111001;
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pub const SWC2: u8 = 0b111010;
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pub const SCD: u8 = 0b111100;
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pub const SDC1: u8 = 0b111101;
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pub const SDC2: u8 = 0b111110;
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pub const SD: u8 = 0b111111;
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// special
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pub const SLL: u8 = 0b000000;
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pub const SRL: u8 = 0b000010;
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pub const SRA: u8 = 0b000011;
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pub const SLLV: u8 = 0b000100;
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pub const SRLV: u8 = 0b000110;
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pub const SRAV: u8 = 0b000111;
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pub const JR: u8 = 0b001000;
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pub const JALR: u8 = 0b001001;
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pub const SYSCALL: u8 = 0b001100;
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pub const BREAK: u8 = 0b001101;
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pub const SYNC: u8 = 0b001111;
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pub const MFHI: u8 = 0b010000;
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pub const MTHI: u8 = 0b010001;
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pub const MFLO: u8 = 0b010010;
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pub const MTLO: u8 = 0b010011;
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pub const DSLLV: u8 = 0b010100;
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pub const DSRLV: u8 = 0b010110;
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pub const DSRAV: u8 = 0b010111;
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pub const MULT: u8 = 0b011000;
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pub const MULTU: u8 = 0b011001;
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pub const DIV: u8 = 0b011010;
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pub const DIVU: u8 = 0b011011;
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pub const DMULT: u8 = 0b011100;
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pub const DMULTU: u8 = 0b011101;
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pub const DDIV: u8 = 0b011110;
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pub const DDIVU: u8 = 0b011111;
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pub const ADD: u8 = 0b100000;
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pub const ADDU: u8 = 0b100001;
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pub const SUB: u8 = 0b100010;
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pub const SUBU: u8 = 0b100011;
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pub const AND: u8 = 0b100100;
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pub const OR: u8 = 0b100101;
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pub const XOR: u8 = 0b100110;
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pub const NOR: u8 = 0b100111;
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pub const SLT: u8 = 0b101010;
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pub const SLTU: u8 = 0b101011;
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pub const DADD: u8 = 0b101100;
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pub const DADDU: u8 = 0b101101;
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pub const DSUB: u8 = 0b101110;
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pub const DSUBU: u8 = 0b101111;
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pub const TGE: u8 = 0b110000;
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pub const TGEU: u8 = 0b110001;
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pub const TLT: u8 = 0b110010;
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pub const TLTU: u8 = 0b110011;
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pub const TEQ: u8 = 0b110100;
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pub const TNE: u8 = 0b110110;
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pub const DSLL: u8 = 0b111000;
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pub const DSRL: u8 = 0b111010;
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pub const DSRA: u8 = 0b111011;
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pub const DSLL32: u8 = 0b111100;
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pub const DSRL32: u8 = 0b111110;
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pub const DSRA32: u8 = 0b111111;
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// regimm
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pub const BLTZ: u8 = 0b00000;
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pub const BGEZ: u8 = 0b00001;
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pub const BLTZL: u8 = 0b00010;
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pub const BGEZL: u8 = 0b00011;
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pub const TGEI: u8 = 0b01000;
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pub const TGEIU: u8 = 0b01001;
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pub const TLTI: u8 = 0b01010;
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pub const TLTIU: u8 = 0b01011;
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pub const TEQI: u8 = 0b01100;
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pub const TNEI: u8 = 0b01110;
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pub const BLTZAL: u8 = 0b10000;
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pub const BGEZAL: u8 = 0b10001;
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pub const BLTZALL: u8 = 0b10010;
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pub const BGEZALL: u8 = 0b10011;
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}
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