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//=- MicroMips32r6InstrFormats.td - Mips32r6 Instruction Formats -*- tablegen -*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file describes microMIPS32r6 instruction formats.
//
//===----------------------------------------------------------------------===//
class MMR6Arch<string opstr> {
string Arch = "micromipsr6";
string BaseOpcode = opstr;
string DecoderNamespace = "MicroMipsR6";
}
//===----------------------------------------------------------------------===//
//
// Disambiguators
//
//===----------------------------------------------------------------------===//
//
// Some encodings are ambiguous except by comparing field values.
class MMDecodeDisambiguatedBy<string Name> : DecodeDisambiguates<Name> {
string DecoderNamespace = "MicroMipsR6_Ambiguous";
}
//===----------------------------------------------------------------------===//
//
// Encoding Formats
//
//===----------------------------------------------------------------------===//
class BC16_FM_MM16R6 {
bits<10> offset;
bits<16> Inst;
let Inst{15-10} = 0x33;
let Inst{9-0} = offset;
}
class BEQZC_BNEZC_FM_MM16R6<bits<6> op> {
bits<3> rs;
bits<7> offset;
bits<16> Inst;
let Inst{15-10} = op;
let Inst{9-7} = rs;
let Inst{6-0} = offset;
}
class POOL16C_JALRC_FM_MM16R6<bits<5> op> {
bits<5> rs;
bits<16> Inst;
let Inst{15-10} = 0x11;
let Inst{9-5} = rs;
let Inst{4-0} = op;
}
class POP35_BOVC_FM_MMR6<string instr_asm> : MipsR6Inst, MMR6Arch<instr_asm> {
bits<5> rt;
bits<5> rs;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = 0b011101;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-0} = offset;
}
class POP37_BNVC_FM_MMR6<string instr_asm> : MipsR6Inst, MMR6Arch<instr_asm> {
bits<5> rt;
bits<5> rs;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = 0b011111;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-0} = offset;
}
class POOL16C_JRCADDIUSP_FM_MM16R6<bits<5> op> {
bits<5> imm;
bits<16> Inst;
let Inst{15-10} = 0x11;
let Inst{9-5} = imm;
let Inst{4-0} = op;
}
class POOL16C_LWM_SWM_FM_MM16R6<bits<4> funct> {
bits<2> rt;
bits<4> addr;
bits<16> Inst;
let Inst{15-10} = 0x11;
let Inst{9-8} = rt;
let Inst{7-4} = addr;
let Inst{3-0} = funct;
}
class POOL32A_BITSWAP_FM_MMR6<bits<6> funct> : MipsR6Inst {
bits<5> rd;
bits<5> rt;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rd;
let Inst{15-12} = 0b0000;
let Inst{11-6} = funct;
let Inst{5-0} = 0b111100;
}
class CACHE_PREF_FM_MMR6<bits<6> opgroup, bits<4> funct> : MipsR6Inst {
bits<21> addr;
bits<5> hint;
bits<32> Inst;
let Inst{31-26} = opgroup;
let Inst{25-21} = hint;
let Inst{20-16} = addr{20-16};
let Inst{15-12} = funct;
let Inst{11-0} = addr{11-0};
}
class ARITH_FM_MMR6<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> {
bits<5> rd;
bits<5> rt;
bits<5> rs;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10} = 0;
let Inst{9-0} = funct;
}
class ADDI_FM_MMR6<string instr_asm, bits<6> op> : MMR6Arch<instr_asm> {
bits<5> rt;
bits<5> rs;
bits<16> imm16;
bits<32> Inst;
let Inst{31-26} = op;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-0} = imm16;
}
class LB32_FM_MMR6 : MipsR6Inst {
bits<21> addr;
bits<5> rt;
bits<5> base = addr{20-16};
bits<16> offset = addr{15-0};
bits<32> Inst;
let Inst{31-26} = 0b000111;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-0} = offset;
}
class LBU32_FM_MMR6 : MipsR6Inst {
bits<21> addr;
bits<5> rt;
bits<5> base = addr{20-16};
bits<16> offset = addr{15-0};
bits<32> Inst;
let Inst{31-26} = 0b000101;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-0} = offset;
}
class PCREL19_FM_MMR6<bits<2> funct> : MipsR6Inst {
bits<5> rt;
bits<19> imm;
bits<32> Inst;
let Inst{31-26} = 0b011110;
let Inst{25-21} = rt;
let Inst{20-19} = funct;
let Inst{18-0} = imm;
}
class PCREL16_FM_MMR6<bits<5> funct> : MipsR6Inst {
bits<5> rt;
bits<16> imm;
bits<32> Inst;
let Inst{31-26} = 0b011110;
let Inst{25-21} = rt;
let Inst{20-16} = funct;
let Inst{15-0} = imm;
}
class POOL32A_FM_MMR6<bits<10> funct> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10} = 0;
let Inst{9-0} = funct;
}
class POOL32A_PAUSE_FM_MMR6<string instr_asm, bits<5> op>
: MMR6Arch<instr_asm> {
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = 0;
let Inst{20-16} = 0;
let Inst{15-11} = op;
let Inst{10-6} = 0;
let Inst{5-0} = 0;
}
class POOL32A_RDPGPR_FM_MMR6<bits<10> funct> {
bits<5> rt;
bits<5> rd;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rd;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class POOL32A_RDHWR_FM_MMR6 {
bits<5> rt;
bits<5> rs;
bits<3> sel;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-14} = 0;
let Inst{13-11} = sel;
let Inst{10} = 0;
let Inst{9-0} = 0b0111000000;
}
class POOL32A_SYNC_FM_MMR6 {
bits<5> stype;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = 0;
let Inst{20-16} = stype;
let Inst{15-6} = 0b0110101101;
let Inst{5-0} = 0b111100;
}
class POOL32I_SYNCI_FM_MMR6 {
bits<21> addr;
bits<5> base = addr{20-16};
bits<16> immediate = addr{15-0};
bits<32> Inst;
let Inst{31-26} = 0b010000;
let Inst{25-21} = 0b01100;
let Inst{20-16} = base;
let Inst{15-0} = immediate;
}
class POOL32A_2R_FM_MMR6<bits<10> funct> : MipsR6Inst {
bits<5> rs;
bits<5> rt;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class SPECIAL_2R_FM_MMR6<bits<6> funct> : MipsR6Inst {
bits<5> rs;
bits<5> rt;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rs;
let Inst{20-16} = 0b00000;
let Inst{15-11} = rt;
let Inst{10-6} = 0b00001;
let Inst{5-0} = funct;
}
class POOL32A_ALIGN_FM_MMR6<bits<6> funct> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<2> bp;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rs;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{10-9} = bp;
let Inst{8-6} = 0b000;
let Inst{5-0} = funct;
}
class AUI_FM_MMR6 : MipsR6Inst {
bits<5> rs;
bits<5> rt;
bits<16> imm;
bits<32> Inst;
let Inst{31-26} = 0b000100;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-0} = imm;
}
class POOL32A_LSA_FM<bits<6> funct> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<2> imm2;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10-9} = imm2;
let Inst{8-6} = 0b000;
let Inst{5-0} = funct;
}
class SB32_SH32_STORE_FM_MMR6<bits<6> op> {
bits<5> rt;
bits<21> addr;
bits<5> base = addr{20-16};
bits<16> offset = addr{15-0};
bits<32> Inst;
let Inst{31-26} = op;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-0} = offset;
}
class LOAD_WORD_FM_MMR6 {
bits<5> rt;
bits<21> addr;
bits<5> base = addr{20-16};
bits<16> offset = addr{15-0};
bits<32> Inst;
let Inst{31-26} = 0b111111;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-0} = offset;
}
class LOAD_UPPER_IMM_FM_MMR6 {
bits<5> rt;
bits<16> imm16;
bits<32> Inst;
let Inst{31-26} = 0b000100;
let Inst{25-21} = rt;
let Inst{20-16} = 0;
let Inst{15-0} = imm16;
}
class CMP_BRANCH_1R_RT_OFF16_FM_MMR6<string instr_asm, bits<6> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = funct;
let Inst{25-21} = rt;
let Inst{20-16} = 0b00000;
let Inst{15-0} = offset;
}
class CMP_BRANCH_1R_BOTH_OFF16_FM_MMR6<string instr_asm, bits<6> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = funct;
let Inst{25-21} = rt;
let Inst{20-16} = rt;
let Inst{15-0} = offset;
}
class POOL32A_JALRC_FM_MMR6<string instr_asm, bits<10> funct>
: MipsR6Inst, MMR6Arch<instr_asm> {
bits<5> rt;
bits<5> rs;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class POOL32A_EXT_INS_FM_MMR6<string instr_asm, bits<6> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<5> rs;
bits<5> size;
bits<5> pos;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = size;
let Inst{10-6} = pos;
let Inst{5-0} = funct;
}
class POOL32A_ERET_FM_MMR6<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm> {
bits<32> Inst;
let Inst{31-26} = 0x00;
let Inst{25-16} = 0x00;
let Inst{15-6} = funct;
let Inst{5-0} = 0x3c;
}
class ERETNC_FM_MMR6<string instr_asm> : MMR6Arch<instr_asm> {
bits<32> Inst;
let Inst{31-26} = 0x00;
let Inst{25-17} = 0x00;
let Inst{16-16} = 0x01;
let Inst{15-6} = 0x3cd;
let Inst{5-0} = 0x3c;
}
class BREAK_MMR6_ENC<string instr_asm> : MMR6Arch<instr_asm> {
bits<10> code_1;
bits<10> code_2;
bits<32> Inst;
let Inst{31-26} = 0x0;
let Inst{25-16} = code_1;
let Inst{15-6} = code_2;
let Inst{5-0} = 0x07;
}
class BARRIER_MMR6_ENC<string instr_asm, bits<5> op> : MMR6Arch<instr_asm> {
bits<32> Inst;
let Inst{31-26} = 0x0;
let Inst{25-21} = 0x0;
let Inst{20-16} = 0x0;
let Inst{15-11} = op;
let Inst{10-6} = 0x0;
let Inst{5-0} = 0x0;
}
class POOL32A_EIDI_MMR6_ENC<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm> {
bits<32> Inst;
bits<5> rt; // Actually rs but we're sharing code with the standard encodings
// which call it rt
let Inst{31-26} = 0x00;
let Inst{25-21} = 0x00;
let Inst{20-16} = rt;
let Inst{15-6} = funct;
let Inst{5-0} = 0x3c;
}
class SHIFT_MMR6_ENC<string instr_asm, bits<10> funct, bit rotate>
: MMR6Arch<instr_asm> {
bits<5> rd;
bits<5> rt;
bits<5> shamt;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rd;
let Inst{20-16} = rt;
let Inst{15-11} = shamt;
let Inst{10} = rotate;
let Inst{9-0} = funct;
}
class SW32_FM_MMR6<string instr_asm, bits<6> op> : MMR6Arch<instr_asm> {
bits<5> rt;
bits<21> addr;
bits<32> Inst;
let Inst{31-26} = op;
let Inst{25-21} = rt;
let Inst{20-16} = addr{20-16};
let Inst{15-0} = addr{15-0};
}
class POOL32F_ARITH_FM_MMR6<string instr_asm, bits<2> fmt, bits<8> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15-11} = fd;
let Inst{10} = 0;
let Inst{9-8} = fmt;
let Inst{7-0} = funct;
}
class POOL32F_ARITHF_FM_MMR6<string instr_asm, bits<2> fmt, bits<9> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15-11} = fd;
let Inst{10-9} = fmt;
let Inst{8-0} = funct;
}
class POOL32F_MOV_NEG_FM_MMR6<string instr_asm, bits<2> fmt, bits<7> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14-13} = fmt;
let Inst{12-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32F_MINMAX_FM<string instr_asm, bits<2> fmt, bits<9> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15-11} = fd;
let Inst{10-9} = fmt;
let Inst{8-0} = funct;
}
class POOL32F_CMP_FM<string instr_asm, bits<6> format, FIELD_CMP_COND Cond>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15-11} = fd;
let Inst{10-6} = Cond.Value;
let Inst{5-0} = format;
}
class POOL32F_CVT_LW_FM<string instr_asm, bit fmt, bits<8> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14} = fmt;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32F_CVT_DS_FM<string instr_asm, bits<2> fmt, bits<7> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14-13} = fmt;
let Inst{12-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32F_ABS_FM_MMR6<string instr_asm, bits<2> fmt, bits<7> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14-13} = fmt;
let Inst{12-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32F_MATH_FM_MMR6<string instr_asm, bits<1> fmt, bits<8> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14} = fmt;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL16A_ADDU16_FM_MMR6 {
bits<3> rs;
bits<3> rt;
bits<3> rd;
bits<16> Inst;
let Inst{15-10} = 0b000001;
let Inst{9-7} = rs;
let Inst{6-4} = rt;
let Inst{3-1} = rd;
let Inst{0} = 0;
}
class POOL16C_AND16_FM_MMR6 {
bits<3> rt;
bits<3> rs;
bits<16> Inst;
let Inst{15-10} = 0b010001;
let Inst{9-7} = rt;
let Inst{6-4} = rs;
let Inst{3-0} = 0b0001;
}
class POOL16C_NOT16_FM_MMR6 {
bits<3> rt;
bits<3> rs;
bits<16> Inst;
let Inst{15-10} = 0x11;
let Inst{9-7} = rt;
let Inst{6-4} = rs;
let Inst{3-0} = 0b0000;
}
class POOL16C_MOVEP16_FM_MMR6 {
bits<3> dst_regs;
bits<3> rt;
bits<3> rs;
bits<16> Inst;
let Inst{15-10} = 0b010001;
let Inst{9-7} = dst_regs;
let Inst{6-4} = rt;
let Inst{3} = rs{2};
let Inst{2} = 0b1;
let Inst{1-0} = rs{1-0};
}
class POOL16C_OR16_XOR16_FM_MMR6<bits<4> op> {
bits<3> rt;
bits<3> rs;
bits<16> Inst;
let Inst{15-10} = 0b010001;
let Inst{9-7} = rt;
let Inst{6-4} = rs;
let Inst{3-0} = op;
}
class POOL16C_BREAKPOINT_FM_MMR6<bits<6> op> {
bits<4> code_;
bits<16> Inst;
let Inst{15-10} = 0b010001;
let Inst{9-6} = code_;
let Inst{5-0} = op;
}
class POOL16A_SUBU16_FM_MMR6 {
bits<3> rs;
bits<3> rt;
bits<3> rd;
bits<16> Inst;
let Inst{15-10} = 0b000001;
let Inst{9-7} = rs;
let Inst{6-4} = rt;
let Inst{3-1} = rd;
let Inst{0} = 0b1;
}
class POOL32A_WRPGPR_WSBH_FM_MMR6<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<5> rs;
bits<32> Inst;
let Inst{31-26} = 0x00;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-6} = funct;
let Inst{5-0} = 0x3c;
}
class POOL32F_RECIP_ROUND_FM_MMR6<string instr_asm, bits<1> fmt, bits<8> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15} = 0;
let Inst{14} = fmt;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32F_RINT_FM_MMR6<string instr_asm, bits<2> fmt> : MMR6Arch<instr_asm>,
MipsR6Inst {
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = fs;
let Inst{20-16} = fd;
let Inst{15-11} = 0;
let Inst{10-9} = fmt;
let Inst{8-0} = 0b000100000;
}
class POOL32F_SEL_FM_MMR6<string instr_asm, bits<2> fmt, bits<9> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> ft;
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = ft;
let Inst{20-16} = fs;
let Inst{15-11} = fd;
let Inst{10-9} = fmt;
let Inst{8-0} = funct;
}
class POOL32F_CLASS_FM_MMR6<string instr_asm, bits<2> fmt, bits<9> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> fs;
bits<5> fd;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = fs;
let Inst{20-16} = fd;
let Inst{15-11} = 0b00000;
let Inst{10-9} = fmt;
let Inst{8-0} = funct;
}
class POOL32A_TLBINV_FM_MMR6<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<32> Inst;
let Inst{31-26} = 0x0;
let Inst{25-16} = 0x0;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class POOL32A_MFTC0_FM_MMR6<string instr_asm, bits<5> funct, bits<6> opcode>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<5> rs;
bits<3> sel;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-14} = 0;
let Inst{13-11} = sel;
let Inst{10-6} = funct;
let Inst{5-0} = opcode;
}
class POOL32A_GINV_FM_MMR6<string instr_asm, bits<2> ginv>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rs;
bits<2> type;
bits<32> Inst;
let Inst{31-26} = 0x0;
let Inst{25-21} = 0x0;
let Inst{20-16} = rs;
let Inst{15-13} = 0b011;
let Inst{12-11} = ginv;
let Inst{10-9} = type;
let Inst{8-6} = 0b101;
let Inst{5-0} = 0b111100;
}
class POOL32F_MFTC1_FM_MMR6<string instr_asm, bits<8> funct>
: MMR6Arch<instr_asm> {
bits<5> rt;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0b010101;
let Inst{25-21} = rt;
let Inst{20-16} = fs;
let Inst{15-14} = 0;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111011;
}
class POOL32A_MFTC2_FM_MMR6<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<5> impl;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = impl;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class CMP_BRANCH_2R_OFF16_FM_MMR6<string opstr, bits<6> funct>
: MipsR6Inst, MMR6Arch<opstr> {
bits<5> rt;
bits<5> rs;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = funct;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-0} = offset;
}
class POOL32A_DVPEVP_FM_MMR6<string instr_asm, bits<10> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rs;
bits<32> Inst;
let Inst{31-26} = 0b000000;
let Inst{25-21} = 0b00000;
let Inst{20-16} = rs;
let Inst{15-6} = funct;
let Inst{5-0} = 0b111100;
}
class CMP_BRANCH_OFF21_FM_MMR6<string opstr, bits<6> funct> : MipsR6Inst {
bits<5> rs;
bits<21> offset;
bits<32> Inst;
let Inst{31-26} = funct;
let Inst{25-21} = rs;
let Inst{20-0} = offset;
}
class POOL32I_BRANCH_COP_1_2_FM_MMR6<string instr_asm, bits<5> funct>
: MMR6Arch<instr_asm> {
bits<5> rt;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = 0b010000;
let Inst{25-21} = funct;
let Inst{20-16} = rt;
let Inst{15-0} = offset;
}
class LDWC1_SDWC1_FM_MMR6<string instr_asm, bits<6> funct>
: MMR6Arch<instr_asm> {
bits<5> ft;
bits<21> addr;
bits<5> base = addr{20-16};
bits<16> offset = addr{15-0};
bits<32> Inst;
let Inst{31-26} = funct;
let Inst{25-21} = ft;
let Inst{20-16} = base;
let Inst{15-0} = offset;
}
class POOL32B_LDWC2_SDWC2_FM_MMR6<string instr_asm, bits<4> funct>
: MMR6Arch<instr_asm>, MipsR6Inst {
bits<5> rt;
bits<21> addr;
bits<5> base = addr{20-16};
bits<11> offset = addr{10-0};
bits<32> Inst;
let Inst{31-26} = 0b001000;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-12} = funct;
let Inst{11} = 0;
let Inst{10-0} = offset;
}
class POOL32C_LL_E_SC_E_FM_MMR6<string instr_asm, bits<4> majorFunc,
bits<3> minorFunc> : MMR6Arch<instr_asm>,
MipsR6Inst {
bits<5> rt;
bits<21> addr;
bits<5> base = addr{20-16};
bits<9> offset = addr{8-0};
bits<32> Inst;
let Inst{31-26} = 0b011000;
let Inst{25-21} = rt;
let Inst{20-16} = base;
let Inst{15-12} = majorFunc;
let Inst{11-9} = minorFunc;
let Inst{8-0} = offset;
}