1292915Sdim//===- MipsEVAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===// 2292915Sdim// 3292915Sdim// The LLVM Compiler Infrastructure 4292915Sdim// 5292915Sdim// This file is distributed under the University of Illinois Open Source 6292915Sdim// License. See LICENSE.TXT for details. 7292915Sdim// 8292915Sdim//===----------------------------------------------------------------------===// 9292915Sdim// 10292915Sdim// This file describes Mips32r6 instruction formats. 11292915Sdim// 12292915Sdim//===----------------------------------------------------------------------===// 13292915Sdim 14292915Sdimclass MipsEVAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>, 15292915Sdim PredicateControl, StdArch { 16292915Sdim let DecoderNamespace = "Mips"; 17292915Sdim let EncodingPredicates = [HasStdEnc]; 18292915Sdim} 19292915Sdim 20292915Sdim//===----------------------------------------------------------------------===// 21292915Sdim// 22292915Sdim// Field Values 23292915Sdim// 24292915Sdim//===----------------------------------------------------------------------===// 25292915Sdim 26292915Sdim// Memory Load/Store EVA 27292915Sdimdef OPCODE6_LBE : OPCODE6<0b101100>; 28292915Sdimdef OPCODE6_LBuE : OPCODE6<0b101000>; 29292915Sdimdef OPCODE6_LHE : OPCODE6<0b101101>; 30292915Sdimdef OPCODE6_LHuE : OPCODE6<0b101001>; 31292915Sdimdef OPCODE6_LWE : OPCODE6<0b101111>; 32292915Sdim 33292915Sdimdef OPCODE6_SBE : OPCODE6<0b011100>; 34292915Sdimdef OPCODE6_SHE : OPCODE6<0b011101>; 35292915Sdimdef OPCODE6_SWE : OPCODE6<0b011111>; 36292915Sdim 37292915Sdim// load/store left/right EVA 38292915Sdimdef OPCODE6_LWLE : OPCODE6<0b011001>; 39292915Sdimdef OPCODE6_LWRE : OPCODE6<0b011010>; 40292915Sdimdef OPCODE6_SWLE : OPCODE6<0b100001>; 41292915Sdimdef OPCODE6_SWRE : OPCODE6<0b100010>; 42292915Sdim 43292915Sdim// Load-linked EVA, Store-conditional EVA 44292915Sdimdef OPCODE6_LLE : OPCODE6<0b101110>; 45292915Sdimdef OPCODE6_SCE : OPCODE6<0b011110>; 46292915Sdim 47292915Sdimdef OPCODE6_TLBINV : OPCODE6<0b000011>; 48292915Sdimdef OPCODE6_TLBINVF : OPCODE6<0b000100>; 49292915Sdim 50292915Sdimdef OPCODE6_CACHEE : OPCODE6<0b011011>; 51292915Sdimdef OPCODE6_PREFE : OPCODE6<0b100011>; 52292915Sdim 53292915Sdimdef OPGROUP_COP0 : OPGROUP<0b010000>; 54292915Sdim 55292915Sdim//===----------------------------------------------------------------------===// 56292915Sdim// 57292915Sdim// Encoding Formats 58292915Sdim// 59292915Sdim//===----------------------------------------------------------------------===// 60292915Sdim 61292915Sdimclass SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6 Operation> : MipsEVAInst { 62292915Sdim bits<21> addr; 63292915Sdim bits<5> hint; 64292915Sdim bits<5> base = addr{20-16}; 65292915Sdim bits<9> offset = addr{8-0}; 66292915Sdim 67292915Sdim bits<32> Inst; 68292915Sdim 69292915Sdim let Inst{31-26} = OPGROUP_SPECIAL3.Value; 70292915Sdim let Inst{25-21} = base; 71292915Sdim let Inst{20-16} = hint; 72292915Sdim let Inst{15-7} = offset; 73292915Sdim let Inst{6} = 0; 74292915Sdim let Inst{5-0} = Operation.Value; 75292915Sdim} 76292915Sdim 77292915Sdimclass TLB_FM<OPCODE6 Operation> : MipsEVAInst { 78292915Sdim bits<32> Inst; 79292915Sdim 80292915Sdim let Inst{31-26} = OPGROUP_COP0.Value; 81292915Sdim let Inst{25} = 1; // CO 82292915Sdim let Inst{24-6} = 0; 83292915Sdim let Inst{5-0} = Operation.Value; 84292915Sdim} 85