"rd", 11, 7
"rt", 19, 15
"rs1", 19, 15
"rs2", 24, 20
"rs3", 31, 27
"aqrl", 26, 25
"aq", 26, 26
"rl", 25, 25
"fm", 31, 28
"pred", 27, 24
"succ", 23, 20
"rm", 14, 12
"funct3", 14, 12
"funct2", 26, 25
"imm20", 31, 12
"jimm20", 31, 12
"imm12", 31, 20
"csr", 31, 20
"imm12hi", 31, 25
"bimm12hi", 31, 25
"imm12lo", 11, 7
"bimm12lo", 11, 7
"shamtq", 26, 20
"shamtw", 24, 20
"shamtw4", 23, 20
"shamtd", 25, 20
"bs", 31, 30
"rnum", 23, 20
"rc", 29, 25
"imm2", 21, 20
"imm3", 22, 20
"imm4", 23, 20
"imm5", 24, 20
"imm6", 25, 20
"zimm", 19, 15
"opcode", 6,0
"funct7", 31,25
"vd", 11, 7
"vs3", 11, 7
"vs1", 19, 15
"vs2", 24, 20
"vm", 25, 25
"wd", 26, 26
"amoop", 31, 27
"nf", 31, 29
"simm5", 19, 15
"zimm5", 19, 15
"zimm10", 29, 20
"zimm11", 30, 20
"zimm6hi", 26, 26
"zimm6lo", 19, 15
"c_nzuimm10", 12, 5
"c_uimm7lo", 6, 5
"c_uimm7hi", 12, 10
"c_uimm8lo", 6, 5
"c_uimm8hi", 12, 10
"c_uimm9lo", 6, 5
"c_uimm9hi", 12, 10
"c_nzimm6lo", 6, 2
"c_nzimm6hi", 12, 12
"c_imm6lo", 6, 2
"c_imm6hi", 12, 12
"c_nzimm10hi", 12, 12
"c_nzimm10lo", 6, 2
"c_nzimm18hi", 12, 12
"c_nzimm18lo", 6, 2
"c_imm12", 12, 2
"c_bimm9lo", 6, 2
"c_bimm9hi", 12, 10
"c_nzuimm5", 6, 2
"c_nzuimm6lo", 6, 2
"c_nzuimm6hi", 12, 12
"c_uimm8splo", 6, 2
"c_uimm8sphi", 12, 12
"c_uimm8sp_s", 12, 7
"c_uimm10splo", 6, 2
"c_uimm10sphi", 12, 12
"c_uimm9splo", 6, 2
"c_uimm9sphi", 12, 12
"c_uimm10sp_s", 12, 7
"c_uimm9sp_s", 12, 7
"c_uimm2", 6, 5
"c_uimm1", 5, 5
"c_rlist", 7, 4
"c_spimm", 3, 2
"c_index", 9, 2
"rs1_p", 9, 7
"rs2_p", 4, 2
"rd_p", 4, 2
"rd_rs1_n0", 11, 7
"rd_rs1_p", 9, 7
"rd_rs1", 11, 7
"rd_n2", 11, 7
"rd_n0", 11, 7
"rs1_n0", 11, 7
"c_rs2_n0", 6, 2
"c_rs1_n0", 11, 7
"c_rs2", 6, 2
"c_sreg1", 9, 7
"c_sreg2", 4, 2