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b2fa48fc56
Previously PredicateControl in some cases was a member of <X>Inst classes for some X (DSP, EVA) or was in more irregular place in the hierarchry for any given instruction. This patch moves PredicateControl down to the root so that it is consistently available. Then correct the base class of microMIPS instructions as using EncodingPredicates instead of the general Predicates field of Instruction. Reviewers: smaksimovic, abeserminji, atanasyan Differential Revision: https://reviews.llvm.org/D47526 llvm-svn: 333536
1032 lines
20 KiB
TableGen
1032 lines
20 KiB
TableGen
//=- MicroMips32r6InstrFormats.td - Mips32r6 Instruction Formats -*- tablegen -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes microMIPS32r6 instruction formats.
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//
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//===----------------------------------------------------------------------===//
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class MMR6Arch<string opstr> {
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string Arch = "micromipsr6";
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string BaseOpcode = opstr;
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string DecoderNamespace = "MicroMipsR6";
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}
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//===----------------------------------------------------------------------===//
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//
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// Disambiguators
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//
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//===----------------------------------------------------------------------===//
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//
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// Some encodings are ambiguous except by comparing field values.
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class MMDecodeDisambiguatedBy<string Name> : DecodeDisambiguates<Name> {
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string DecoderNamespace = "MicroMipsR6_Ambiguous";
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}
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//===----------------------------------------------------------------------===//
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//
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// Encoding Formats
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//
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//===----------------------------------------------------------------------===//
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class BC16_FM_MM16R6 {
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bits<10> offset;
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bits<16> Inst;
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let Inst{15-10} = 0x33;
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let Inst{9-0} = offset;
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}
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class BEQZC_BNEZC_FM_MM16R6<bits<6> op> {
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bits<3> rs;
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bits<7> offset;
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bits<16> Inst;
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let Inst{15-10} = op;
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let Inst{9-7} = rs;
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let Inst{6-0} = offset;
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}
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class POOL16C_JALRC_FM_MM16R6<bits<5> op> {
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bits<5> rs;
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bits<16> Inst;
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let Inst{15-10} = 0x11;
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let Inst{9-5} = rs;
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let Inst{4-0} = op;
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}
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class POP35_BOVC_FM_MMR6<string instr_asm> : MipsR6Inst, MMR6Arch<instr_asm> {
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bits<5> rt;
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bits<5> rs;
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bits<16> offset;
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bits<32> Inst;
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let Inst{31-26} = 0b011101;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-0} = offset;
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}
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class POP37_BNVC_FM_MMR6<string instr_asm> : MipsR6Inst, MMR6Arch<instr_asm> {
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bits<5> rt;
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bits<5> rs;
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bits<16> offset;
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bits<32> Inst;
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let Inst{31-26} = 0b011111;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-0} = offset;
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}
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class POOL16C_JRCADDIUSP_FM_MM16R6<bits<5> op> {
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bits<5> imm;
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bits<16> Inst;
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let Inst{15-10} = 0x11;
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let Inst{9-5} = imm;
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let Inst{4-0} = op;
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}
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class POOL16C_LWM_SWM_FM_MM16R6<bits<4> funct> {
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bits<2> rt;
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bits<4> addr;
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bits<16> Inst;
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let Inst{15-10} = 0x11;
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let Inst{9-8} = rt;
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let Inst{7-4} = addr;
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let Inst{3-0} = funct;
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}
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class POOL32A_BITSWAP_FM_MMR6<bits<6> funct> : MipsR6Inst {
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bits<5> rd;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rt;
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let Inst{20-16} = rd;
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let Inst{15-12} = 0b0000;
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let Inst{11-6} = funct;
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let Inst{5-0} = 0b111100;
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}
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class CACHE_PREF_FM_MMR6<bits<6> opgroup, bits<4> funct> : MipsR6Inst {
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bits<21> addr;
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bits<5> hint;
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bits<32> Inst;
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let Inst{31-26} = opgroup;
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let Inst{25-21} = hint;
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let Inst{20-16} = addr{20-16};
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let Inst{15-12} = funct;
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let Inst{11-0} = addr{11-0};
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}
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class ARITH_FM_MMR6<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> {
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bits<5> rd;
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bits<5> rt;
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bits<5> rs;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10} = 0;
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let Inst{9-0} = funct;
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}
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class ADDI_FM_MMR6<string instr_asm, bits<6> op> : MMR6Arch<instr_asm> {
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bits<5> rt;
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bits<5> rs;
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bits<16> imm16;
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-0} = imm16;
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}
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class LB32_FM_MMR6 : MipsR6Inst {
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bits<21> addr;
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bits<5> rt;
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bits<5> base = addr{20-16};
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bits<16> offset = addr{15-0};
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bits<32> Inst;
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let Inst{31-26} = 0b000111;
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let Inst{25-21} = rt;
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let Inst{20-16} = base;
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let Inst{15-0} = offset;
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}
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class LBU32_FM_MMR6 : MipsR6Inst {
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bits<21> addr;
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bits<5> rt;
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bits<5> base = addr{20-16};
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bits<16> offset = addr{15-0};
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bits<32> Inst;
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let Inst{31-26} = 0b000101;
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let Inst{25-21} = rt;
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let Inst{20-16} = base;
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let Inst{15-0} = offset;
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}
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class PCREL19_FM_MMR6<bits<2> funct> : MipsR6Inst {
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bits<5> rt;
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bits<19> imm;
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bits<32> Inst;
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let Inst{31-26} = 0b011110;
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let Inst{25-21} = rt;
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let Inst{20-19} = funct;
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let Inst{18-0} = imm;
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}
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class PCREL16_FM_MMR6<bits<5> funct> : MipsR6Inst {
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bits<5> rt;
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bits<16> imm;
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bits<32> Inst;
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let Inst{31-26} = 0b011110;
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let Inst{25-21} = rt;
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let Inst{20-16} = funct;
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let Inst{15-0} = imm;
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}
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class POOL32A_FM_MMR6<bits<10> funct> : MipsR6Inst {
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bits<5> rd;
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bits<5> rs;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10} = 0;
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let Inst{9-0} = funct;
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}
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class POOL32A_PAUSE_FM_MMR6<string instr_asm, bits<5> op> : MMR6Arch<instr_asm> {
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = 0;
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let Inst{20-16} = 0;
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let Inst{15-11} = op;
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let Inst{10-6} = 0;
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let Inst{5-0} = 0;
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}
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class POOL32A_RDPGPR_FM_MMR6<bits<10> funct> {
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bits<5> rt;
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bits<5> rd;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rd;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0b111100;
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}
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class POOL32A_RDHWR_FM_MMR6 {
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bits<5> rt;
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bits<5> rs;
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bits<3> sel;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-14} = 0;
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let Inst{13-11} = sel;
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let Inst{10} = 0;
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let Inst{9-0} = 0b0111000000;
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}
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class POOL32A_SYNC_FM_MMR6 {
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bits<5> stype;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = 0;
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let Inst{20-16} = stype;
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let Inst{15-6} = 0b0110101101;
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let Inst{5-0} = 0b111100;
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}
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class POOL32I_SYNCI_FM_MMR6 {
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bits<21> addr;
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bits<5> base = addr{20-16};
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bits<16> immediate = addr{15-0};
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bits<32> Inst;
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let Inst{31-26} = 0b010000;
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let Inst{25-21} = 0b01100;
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let Inst{20-16} = base;
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let Inst{15-0} = immediate;
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}
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class POOL32A_2R_FM_MMR6<bits<10> funct> : MipsR6Inst {
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bits<5> rs;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0b111100;
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}
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class SPECIAL_2R_FM_MMR6<bits<6> funct> : MipsR6Inst {
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bits<5> rs;
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bits<5> rt;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rs;
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let Inst{20-16} = 0b00000;
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let Inst{15-11} = rt;
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let Inst{10-6} = 0b00001;
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let Inst{5-0} = funct;
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}
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class POOL32A_ALIGN_FM_MMR6<bits<6> funct> : MipsR6Inst {
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bits<5> rd;
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bits<5> rs;
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bits<5> rt;
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bits<2> bp;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rs;
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let Inst{20-16} = rt;
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let Inst{15-11} = rd;
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let Inst{10-9} = bp;
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let Inst{8-6} = 0b000;
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let Inst{5-0} = funct;
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}
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class AUI_FM_MMR6 : MipsR6Inst {
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bits<5> rs;
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bits<5> rt;
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bits<16> imm;
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bits<32> Inst;
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let Inst{31-26} = 0b000100;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-0} = imm;
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}
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class POOL32A_LSA_FM<bits<6> funct> : MipsR6Inst {
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bits<5> rd;
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bits<5> rs;
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bits<5> rt;
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bits<2> imm2;
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bits<32> Inst;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10-9} = imm2;
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let Inst{8-6} = 0b000;
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let Inst{5-0} = funct;
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}
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class SB32_SH32_STORE_FM_MMR6<bits<6> op> {
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bits<5> rt;
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bits<21> addr;
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bits<5> base = addr{20-16};
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bits<16> offset = addr{15-0};
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bits<32> Inst;
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let Inst{31-26} = op;
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let Inst{25-21} = rt;
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let Inst{20-16} = base;
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let Inst{15-0} = offset;
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}
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class LOAD_WORD_FM_MMR6 {
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bits<5> rt;
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bits<21> addr;
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bits<5> base = addr{20-16};
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bits<16> offset = addr{15-0};
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bits<32> Inst;
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let Inst{31-26} = 0b111111;
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let Inst{25-21} = rt;
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let Inst{20-16} = base;
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let Inst{15-0} = offset;
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}
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class LOAD_UPPER_IMM_FM_MMR6 {
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bits<5> rt;
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bits<16> imm16;
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bits<32> Inst;
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let Inst{31-26} = 0b000100;
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let Inst{25-21} = rt;
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let Inst{20-16} = 0;
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let Inst{15-0} = imm16;
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}
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class CMP_BRANCH_1R_RT_OFF16_FM_MMR6<string instr_asm, bits<6> funct>
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: MMR6Arch<instr_asm>, MipsR6Inst {
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bits<5> rt;
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bits<16> offset;
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bits<32> Inst;
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let Inst{31-26} = funct;
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let Inst{25-21} = rt;
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let Inst{20-16} = 0b00000;
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let Inst{15-0} = offset;
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}
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class CMP_BRANCH_1R_BOTH_OFF16_FM_MMR6<string instr_asm, bits<6> funct>
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: MMR6Arch<instr_asm>, MipsR6Inst {
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bits<5> rt;
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bits<16> offset;
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bits<32> Inst;
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let Inst{31-26} = funct;
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let Inst{25-21} = rt;
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let Inst{20-16} = rt;
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let Inst{15-0} = offset;
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}
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class POOL32A_JALRC_FM_MMR6<string instr_asm, bits<10> funct>
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: MipsR6Inst, MMR6Arch<instr_asm> {
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bits<5> rt;
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bits<5> rs;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0b111100;
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}
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class POOL32A_EXT_INS_FM_MMR6<string instr_asm, bits<6> funct>
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: MMR6Arch<instr_asm>, MipsR6Inst {
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bits<5> rt;
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bits<5> rs;
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bits<5> size;
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bits<5> pos;
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bits<32> Inst;
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let Inst{31-26} = 0;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = size;
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let Inst{10-6} = pos;
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let Inst{5-0} = funct;
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}
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class POOL32A_ERET_FM_MMR6<string instr_asm, bits<10> funct>
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: MMR6Arch<instr_asm> {
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-16} = 0x00;
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let Inst{15-6} = funct;
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let Inst{5-0} = 0x3c;
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}
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class ERETNC_FM_MMR6<string instr_asm> : MMR6Arch<instr_asm> {
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bits<32> Inst;
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let Inst{31-26} = 0x00;
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let Inst{25-17} = 0x00;
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let Inst{16-16} = 0x01;
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let Inst{15-6} = 0x3cd;
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let Inst{5-0} = 0x3c;
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}
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class BREAK_MMR6_ENC<string instr_asm> : MMR6Arch<instr_asm> {
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bits<10> code_1;
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bits<10> code_2;
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bits<32> Inst;
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let Inst{31-26} = 0x0;
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let Inst{25-16} = code_1;
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let Inst{15-6} = code_2;
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let Inst{5-0} = 0x07;
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}
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class BARRIER_MMR6_ENC<string instr_asm, bits<5> op> : MMR6Arch<instr_asm> {
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bits<32> Inst;
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let Inst{31-26} = 0x0;
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let Inst{25-21} = 0x0;
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let Inst{20-16} = 0x0;
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let Inst{15-11} = op;
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let Inst{10-6} = 0x0;
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let Inst{5-0} = 0x0;
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}
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class POOL32A_EIDI_MMR6_ENC<string instr_asm, bits<10> funct>
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: MMR6Arch<instr_asm> {
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bits<32> Inst;
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bits<5> rt; // Actually rs but we're sharing code with the standard encodings which call it rt
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let Inst{31-26} = 0x00;
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let Inst{25-21} = 0x00;
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let Inst{20-16} = rt;
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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;
|
|
}
|