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annotate lib/Target/Mips/MicroMips64r6InstrFormats.td @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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children 1172e4bd9c6f
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95
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1 //=- MicroMips64r6InstrFormats.td - Instruction Formats -*- tablegen -* -=//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file describes microMIPS64r6 instruction formats.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 class DAUI_FM_MMR6 {
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15 bits<5> rt;
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16 bits<5> rs;
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17 bits<16> imm;
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18
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19 bits<32> Inst;
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20
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21 let Inst{31-26} = 0b111100;
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22 let Inst{25-21} = rt;
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23 let Inst{20-16} = rs;
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24 let Inst{15-0} = imm;
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25 }
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26
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27 class POOL32I_ADD_IMM_FM_MMR6<bits<5> funct> {
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28 bits<5> rs;
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29 bits<16> imm;
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30
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31 bits<32> Inst;
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32
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33 let Inst{31-26} = 0b010000;
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34 let Inst{25-21} = funct;
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35 let Inst{20-16} = rs;
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36 let Inst{15-0} = imm;
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37 }
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38
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39 class POOL32S_EXTBITS_FM_MMR6<bits<6> funct> {
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40 bits<5> rt;
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41 bits<5> rs;
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42 bits<5> size;
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43 bits<5> pos;
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44
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45 bits<32> Inst;
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46
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47 let Inst{31-26} = 0b010110;
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48 let Inst{25-21} = rt;
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49 let Inst{20-16} = rs;
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50 let Inst{15-11} = size;
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51 let Inst{10-6} = pos;
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52 let Inst{5-0} = funct;
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53 }
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54
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55 class POOL32S_DALIGN_FM_MMR6 {
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56 bits<5> rs;
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57 bits<5> rt;
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58 bits<5> rd;
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59 bits<3> bp;
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60
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61 bits<32> Inst;
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62
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63 let Inst{31-26} = 0b010110;
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64 let Inst{25-21} = rs;
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65 let Inst{20-16} = rt;
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66 let Inst{15-11} = rd;
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67 let Inst{10-8} = bp;
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68 let Inst{7-6} = 0b00;
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69 let Inst{5-0} = 0b011100;
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70 }
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71
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72 class POOL32A_DIVMOD_FM_MMR6<string instr_asm, bits<9> funct>
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73 : MMR6Arch<instr_asm> {
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74 bits<5> rd;
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75 bits<5> rs;
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76 bits<5> rt;
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77
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78 bits<32> Inst;
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79
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80 let Inst{31-26} = 0b010110;
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81 let Inst{25-21} = rd;
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82 let Inst{20-16} = rs;
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83 let Inst{15-11} = rt;
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84 let Inst{10-9} = 0b00;
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85 let Inst{8-0} = funct;
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86 }