| Akira Hatanaka | be6a818 | 2013-04-19 19:03:11 +0000 | [diff] [blame] | 1 | class MMArch { |
| 2 | string Arch = "micromips"; |
| 3 | list<dag> Pattern = []; |
| 4 | } |
| 5 | |
| 6 | class ADD_FM_MM<bits<6> op, bits<10> funct> : MMArch { |
| 7 | bits<5> rt; |
| 8 | bits<5> rs; |
| 9 | bits<5> rd; |
| 10 | |
| 11 | bits<32> Inst; |
| 12 | |
| 13 | let Inst{31-26} = op; |
| 14 | let Inst{25-21} = rt; |
| 15 | let Inst{20-16} = rs; |
| 16 | let Inst{15-11} = rd; |
| 17 | let Inst{10} = 0; |
| 18 | let Inst{9-0} = funct; |
| 19 | } |
| 20 | |
| 21 | class ADDI_FM_MM<bits<6> op> : MMArch { |
| 22 | bits<5> rs; |
| 23 | bits<5> rt; |
| 24 | bits<16> imm16; |
| 25 | |
| 26 | bits<32> Inst; |
| 27 | |
| 28 | let Inst{31-26} = op; |
| 29 | let Inst{25-21} = rt; |
| 30 | let Inst{20-16} = rs; |
| 31 | let Inst{15-0} = imm16; |
| 32 | } |
| 33 | |
| 34 | class SLTI_FM_MM<bits<6> op> : MMArch { |
| 35 | bits<5> rt; |
| 36 | bits<5> rs; |
| 37 | bits<16> imm16; |
| 38 | |
| 39 | bits<32> Inst; |
| 40 | |
| 41 | let Inst{31-26} = op; |
| 42 | let Inst{25-21} = rs; |
| 43 | let Inst{20-16} = rt; |
| 44 | let Inst{15-0} = imm16; |
| 45 | } |
| 46 | |
| 47 | class LUI_FM_MM : MMArch { |
| 48 | bits<5> rt; |
| 49 | bits<16> imm16; |
| 50 | |
| 51 | bits<32> Inst; |
| 52 | |
| 53 | let Inst{31-26} = 0x10; |
| 54 | let Inst{25-21} = 0xd; |
| 55 | let Inst{20-16} = rt; |
| 56 | let Inst{15-0} = imm16; |
| 57 | } |
| 58 | |
| 59 | class MULT_FM_MM<bits<10> funct> : MMArch { |
| 60 | bits<5> rs; |
| 61 | bits<5> rt; |
| 62 | |
| 63 | bits<32> Inst; |
| 64 | |
| 65 | let Inst{31-26} = 0x00; |
| 66 | let Inst{25-21} = rt; |
| 67 | let Inst{20-16} = rs; |
| 68 | let Inst{15-6} = funct; |
| 69 | let Inst{5-0} = 0x3c; |
| 70 | } |
| Akira Hatanaka | cd9b74a | 2013-04-25 01:11:15 +0000 | [diff] [blame] | 71 | |
| 72 | class SRA_FM_MM<bits<10> funct, bit rotate> : MMArch { |
| 73 | bits<5> rd; |
| 74 | bits<5> rt; |
| 75 | bits<5> shamt; |
| 76 | |
| 77 | bits<32> Inst; |
| 78 | |
| 79 | let Inst{31-26} = 0; |
| 80 | let Inst{25-21} = rd; |
| 81 | let Inst{20-16} = rt; |
| 82 | let Inst{15-11} = shamt; |
| 83 | let Inst{10} = rotate; |
| 84 | let Inst{9-0} = funct; |
| 85 | } |
| 86 | |
| 87 | class SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch { |
| 88 | bits<5> rd; |
| 89 | bits<5> rt; |
| 90 | bits<5> rs; |
| 91 | |
| 92 | bits<32> Inst; |
| 93 | |
| 94 | let Inst{31-26} = 0; |
| 95 | let Inst{25-21} = rt; |
| 96 | let Inst{20-16} = rs; |
| 97 | let Inst{15-11} = rd; |
| 98 | let Inst{10} = rotate; |
| 99 | let Inst{9-0} = funct; |
| 100 | } |
| Akira Hatanaka | f0aa6c9 | 2013-04-25 01:21:25 +0000 | [diff] [blame] | 101 | |
| 102 | class LW_FM_MM<bits<6> op> : MMArch { |
| 103 | bits<5> rt; |
| 104 | bits<21> addr; |
| 105 | |
| 106 | bits<32> Inst; |
| 107 | |
| 108 | let Inst{31-26} = op; |
| 109 | let Inst{25-21} = rt; |
| 110 | let Inst{20-16} = addr{20-16}; |
| 111 | let Inst{15-0} = addr{15-0}; |
| 112 | } |
| Jack Carter | 9770097 | 2013-08-13 20:19:16 +0000 | [diff] [blame^] | 113 | |
| 114 | class LWL_FM_MM<bits<4> funct> { |
| 115 | bits<5> rt; |
| 116 | bits<21> addr; |
| 117 | |
| 118 | bits<32> Inst; |
| 119 | |
| 120 | let Inst{31-26} = 0x18; |
| 121 | let Inst{25-21} = rt; |
| 122 | let Inst{20-16} = addr{20-16}; |
| 123 | let Inst{15-12} = funct; |
| 124 | let Inst{11-0} = addr{11-0}; |
| 125 | } |