MipsMSAInstrFormats.td revision 2641f5e412ba84255d8b97f5098e3f57bf990ff1
1//===- MipsMSAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10def HasMSA : Predicate<"Subtarget.hasMSA()">, 11 AssemblerPredicate<"FeatureMSA">; 12 13class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> { 14 let Predicates = [HasMSA]; 15 let Inst{31-26} = 0b011110; 16} 17 18class PseudoMSA<dag outs, dag ins, list<dag> pattern, 19 InstrItinClass itin = IIPseudo>: 20 MipsPseudo<outs, ins, pattern, itin> { 21 let Predicates = [HasMSA]; 22} 23 24class MSA_BIT_B_FMT<bits<3> major, bits<6> minor>: MSAInst { 25 let Inst{25-23} = major; 26 let Inst{22-19} = 0b1110; 27 let Inst{5-0} = minor; 28} 29 30class MSA_BIT_H_FMT<bits<3> major, bits<6> minor>: MSAInst { 31 let Inst{25-23} = major; 32 let Inst{22-20} = 0b110; 33 let Inst{5-0} = minor; 34} 35 36class MSA_BIT_W_FMT<bits<3> major, bits<6> minor>: MSAInst { 37 let Inst{25-23} = major; 38 let Inst{22-21} = 0b10; 39 let Inst{5-0} = minor; 40} 41 42class MSA_BIT_D_FMT<bits<3> major, bits<6> minor>: MSAInst { 43 let Inst{25-23} = major; 44 let Inst{22} = 0b0; 45 let Inst{5-0} = minor; 46} 47 48class MSA_2R_FILL_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst { 49 bits<5> rs; 50 bits<5> wd; 51 52 let Inst{25-18} = major; 53 let Inst{17-16} = df; 54 let Inst{15-11} = rs; 55 let Inst{10-6} = wd; 56 let Inst{5-0} = minor; 57} 58 59class MSA_2R_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst { 60 let Inst{25-18} = major; 61 let Inst{17-16} = df; 62 let Inst{5-0} = minor; 63} 64 65class MSA_2RF_FMT<bits<9> major, bits<1> df, bits<6> minor>: MSAInst { 66 bits<5> ws; 67 bits<5> wd; 68 69 let Inst{25-17} = major; 70 let Inst{16} = df; 71 let Inst{15-11} = ws; 72 let Inst{10-6} = wd; 73 let Inst{5-0} = minor; 74} 75 76class MSA_3R_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst { 77 bits<5> wt; 78 bits<5> ws; 79 bits<5> wd; 80 81 let Inst{25-23} = major; 82 let Inst{22-21} = df; 83 let Inst{20-16} = wt; 84 let Inst{15-11} = ws; 85 let Inst{10-6} = wd; 86 let Inst{5-0} = minor; 87} 88 89class MSA_3RF_FMT<bits<4> major, bits<1> df, bits<6> minor>: MSAInst { 90 bits<5> wt; 91 bits<5> ws; 92 bits<5> wd; 93 94 let Inst{25-22} = major; 95 let Inst{21} = df; 96 let Inst{20-16} = wt; 97 let Inst{15-11} = ws; 98 let Inst{10-6} = wd; 99 let Inst{5-0} = minor; 100} 101 102class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst { 103 let Inst{25-16} = major; 104 let Inst{5-0} = minor; 105} 106 107class MSA_ELM_B_FMT<bits<4> major, bits<6> minor>: MSAInst { 108 let Inst{25-22} = major; 109 let Inst{21-20} = 0b00; 110 let Inst{5-0} = minor; 111} 112 113class MSA_ELM_H_FMT<bits<4> major, bits<6> minor>: MSAInst { 114 let Inst{25-22} = major; 115 let Inst{21-19} = 0b100; 116 let Inst{5-0} = minor; 117} 118 119class MSA_ELM_W_FMT<bits<4> major, bits<6> minor>: MSAInst { 120 let Inst{25-22} = major; 121 let Inst{21-18} = 0b1100; 122 let Inst{5-0} = minor; 123} 124 125class MSA_ELM_D_FMT<bits<4> major, bits<6> minor>: MSAInst { 126 let Inst{25-22} = major; 127 let Inst{21-17} = 0b11100; 128 let Inst{5-0} = minor; 129} 130 131class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst { 132 let Inst{25-23} = major; 133 let Inst{22-21} = df; 134 let Inst{5-0} = minor; 135} 136 137class MSA_I8_FMT<bits<2> major, bits<6> minor>: MSAInst { 138 let Inst{25-24} = major; 139 let Inst{5-0} = minor; 140} 141 142class MSA_I10_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst { 143 let Inst{25-23} = major; 144 let Inst{22-21} = df; 145 let Inst{5-0} = minor; 146} 147 148class MSA_VEC_FMT<bits<5> major, bits<6> minor>: MSAInst { 149 let Inst{25-21} = major; 150 let Inst{5-0} = minor; 151} 152 153class MSA_VECS10_FMT<bits<5> major, bits<6> minor>: MSAInst { 154 let Inst{25-21} = major; 155 let Inst{5-0} = minor; 156} 157