//=- MicroMips32r6InstrFormats.td - Mips32r6 Instruction Formats -*- tablegen -*-==// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file describes microMIPS32r6 instruction formats. // //===----------------------------------------------------------------------===// class MMR6Arch<string opstr> { string Arch = "micromipsr6"; string BaseOpcode = opstr; } // Class used for microMIPS32r6 and microMIPS64r6 instructions. class MicroMipsR6Inst16 : PredicateControl { string DecoderNamespace = "MicroMipsR6"; let InsnPredicates = [HasMicroMips32r6]; } class BC16_FM_MM16R6 { bits<10> offset; bits<16> Inst; let Inst{15-10} = 0x33; let Inst{9-0} = offset; } class BEQZC_BNEZC_FM_MM16R6<bits<6> op> : MicroMipsR6Inst16 { bits<3> rs; bits<7> offset; bits<16> Inst; let Inst{15-10} = op; let Inst{9-7} = rs; let Inst{6-0} = offset; } class POOL16C_JALRC_FM_MM16R6<bits<5> op> { bits<5> rs; bits<16> Inst; let Inst{15-10} = 0x11; let Inst{9-5} = rs; let Inst{4-0} = op; } class POOL16C_JRCADDIUSP_FM_MM16R6<bits<5> op> { bits<5> imm; bits<16> Inst; let Inst{15-10} = 0x11; let Inst{9-5} = imm; let Inst{4-0} = op; } class POOL16C_LWM_SWM_FM_MM16R6<bits<4> funct> { bits<2> rt; bits<4> addr; bits<16> Inst; let Inst{15-10} = 0x11; let Inst{9-8} = rt; let Inst{7-4} = addr; let Inst{3-0} = funct; } class POOL32A_BITSWAP_FM_MMR6<bits<6> funct> : MipsR6Inst { bits<5> rd; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rt; let Inst{20-16} = rd; let Inst{15-12} = 0b0000; let Inst{11-6} = funct; let Inst{5-0} = 0b111100; } class CACHE_PREF_FM_MMR6<bits<6> opgroup, bits<4> funct> : MipsR6Inst { bits<21> addr; bits<5> hint; bits<32> Inst; let Inst{31-26} = opgroup; let Inst{25-21} = hint; let Inst{20-16} = addr{20-16}; let Inst{15-12} = funct; let Inst{11-0} = addr{11-0}; } class ARITH_FM_MMR6<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> { bits<5> rd; bits<5> rt; bits<5> rs; bits<32> Inst; let Inst{31-26} = 0; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-11} = rd; let Inst{10} = 0; let Inst{9-0} = funct; } class ADDI_FM_MMR6<string instr_asm, bits<6> op> : MMR6Arch<instr_asm> { bits<5> rt; bits<5> rs; bits<16> imm16; bits<32> Inst; let Inst{31-26} = op; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-0} = imm16; } class POOL32C_ST_EVA_FM_MMR6<bits<6> op, bits<3> funct> : MipsR6Inst { bits<21> addr; bits<5> hint; bits<5> base = addr{20-16}; bits<9> offset = addr{8-0}; bits<32> Inst; let Inst{31-26} = op; let Inst{25-21} = hint; let Inst{20-16} = base; let Inst{15-12} = 0b1010; let Inst{11-9} = funct; let Inst{8-0} = offset; } class LB32_FM_MMR6 : MipsR6Inst { bits<21> addr; bits<5> rt; bits<5> base = addr{20-16}; bits<16> offset = addr{15-0}; bits<32> Inst; let Inst{31-26} = 0b000111; let Inst{25-21} = rt; let Inst{20-16} = base; let Inst{15-0} = offset; } class LBU32_FM_MMR6 : MipsR6Inst { bits<21> addr; bits<5> rt; bits<5> base = addr{20-16}; bits<16> offset = addr{15-0}; bits<32> Inst; let Inst{31-26} = 0b000101; let Inst{25-21} = rt; let Inst{20-16} = base; let Inst{15-0} = offset; } class POOL32C_LB_LBU_FM_MMR6<bits<3> funct> : MipsR6Inst { bits<21> addr; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b011000; let Inst{25-21} = rt; let Inst{20-16} = addr{20-16}; let Inst{15-12} = 0b0110; let Inst{11-9} = funct; let Inst{8-0} = addr{8-0}; } class SIGN_EXTEND_FM_MMR6<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> { bits<5> rd; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rd; let Inst{20-16} = rt; let Inst{15-6} = funct; let Inst{5-0} = 0b111100; } class PCREL19_FM_MMR6<bits<2> funct> : MipsR6Inst { bits<5> rt; bits<19> imm; bits<32> Inst; let Inst{31-26} = 0b011110; let Inst{25-21} = rt; let Inst{20-19} = funct; let Inst{18-0} = imm; } class PCREL16_FM_MMR6<bits<5> funct> : MipsR6Inst { bits<5> rt; bits<16> imm; bits<32> Inst; let Inst{31-26} = 0b011110; let Inst{25-21} = rt; let Inst{20-16} = funct; let Inst{15-0} = imm; } class POOL32A_FM_MMR6<bits<10> funct> : MipsR6Inst { bits<5> rd; bits<5> rs; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-11} = rd; let Inst{10} = 0; let Inst{9-0} = funct; } class POOL32A_PAUSE_FM_MMR6<string instr_asm, bits<5> op> : MMR6Arch<instr_asm> { bits<32> Inst; let Inst{31-26} = 0; let Inst{25-21} = 0; let Inst{20-16} = 0; let Inst{15-11} = op; let Inst{10-6} = 0; let Inst{5-0} = 0; } class POOL32A_RDPGPR_FM_MMR6<bits<10> funct> { bits<5> rt; bits<5> rd; bits<32> Inst; let Inst{31-26} = 0; let Inst{25-21} = rt; let Inst{20-16} = rd; let Inst{15-6} = funct; let Inst{5-0} = 0b111100; } class POOL32A_RDHWR_FM_MMR6 { bits<5> rt; bits<5> rs; bits<3> sel; bits<32> Inst; let Inst{31-26} = 0; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-14} = 0; let Inst{13-11} = sel; let Inst{10} = 0; let Inst{9-0} = 0b0111000000; } class POOL32A_SYNC_FM_MMR6 { bits<5> stype; bits<32> Inst; let Inst{31-26} = 0; let Inst{25-21} = 0; let Inst{20-16} = stype; let Inst{15-6} = 0b0110101101; let Inst{5-0} = 0b111100; } class POOL32I_SYNCI_FM_MMR6 { bits<21> addr; bits<5> base = addr{20-16}; bits<16> immediate = addr{15-0}; bits<32> Inst; let Inst{31-26} = 0b010000; let Inst{25-21} = 0b01100; let Inst{20-16} = base; let Inst{15-0} = immediate; } class POOL32A_2R_FM_MMR6<bits<10> funct> : MipsR6Inst { bits<5> rs; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-6} = funct; let Inst{5-0} = 0b111100; } class SPECIAL_2R_FM_MMR6<bits<6> funct> : MipsR6Inst { bits<5> rs; bits<5> rt; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rs; let Inst{20-16} = 0b00000; let Inst{15-11} = rt; let Inst{10-6} = 0b00001; let Inst{5-0} = funct; } class POOL32A_ALIGN_FM_MMR6<bits<6> funct> : MipsR6Inst { bits<5> rd; bits<5> rs; bits<5> rt; bits<2> bp; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rs; let Inst{20-16} = rt; let Inst{15-11} = rd; let Inst{10-9} = bp; let Inst{8-6} = 0b000; let Inst{5-0} = funct; } class AUI_FM_MMR6 : MipsR6Inst { bits<5> rs; bits<5> rt; bits<16> imm; bits<32> Inst; let Inst{31-26} = 0b000100; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-0} = imm; } class POOL32A_LSA_FM<bits<6> funct> : MipsR6Inst { bits<5> rd; bits<5> rs; bits<5> rt; bits<2> imm2; bits<32> Inst; let Inst{31-26} = 0b000000; let Inst{25-21} = rt; let Inst{20-16} = rs; let Inst{15-11} = rd; let Inst{10-9} = imm2; let Inst{8-6} = 0b000; let Inst{5-0} = funct; } class SB32_SH32_STORE_FM_MMR6<bits<6> op> { bits<5> rt; bits<21> addr; bits<5> base = addr{20-16}; bits<16> offset = addr{15-0}; bits<32> Inst; let Inst{31-26} = op; let Inst{25-21} = rt; let Inst{20-16} = base; let Inst{15-0} = offset; } class POOL32C_STORE_EVA_FM_MMR6<bits<3> funct> { 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} = 0b1010; let Inst{11-9} = funct; let Inst{8-0} = offset; } class LOAD_WORD_EVA_FM_MMR6<bits<3> funct> { 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} = 0b0110; let Inst{11-9} = funct; let Inst{8-0} = offset; } class LOAD_WORD_FM_MMR6 { bits<5> rt; bits<21> addr; bits<5> base = addr{20-16}; bits<16> offset = addr{15-0}; bits<32> Inst; let Inst{31-26} = 0b111111; let Inst{25-21} = rt; let Inst{20-16} = base; let Inst{15-0} = offset; } class LOAD_UPPER_IMM_FM_MMR6 { bits<5> rt; bits<16> imm16; bits<32> Inst; let Inst{31-26} = 0b000100; let Inst{25-21} = rt; let Inst{20-16} = 0; let Inst{15-0} = imm16; } class CMP_BRANCH_1R_RT_OFF16_FM_MMR6<bits<6> funct> : MipsR6Inst { bits<5> rt; bits<16> offset; bits<32> Inst; let Inst{31-26} = funct; let Inst{25-21} = rt; let Inst{20-16} = 0b00000; let Inst{15-0} = offset; } class CMP_BRANCH_1R_BOTH_OFF16_FM_MMR6<bits<6> funct> : MipsR6Inst { bits<5> rt; bits<16> offset; bits<32> Inst; let Inst{31-26} = funct; let Inst{25-21} = rt; let Inst{20-16} = rt; let Inst{15-0} = offset; } class POOL32A_ERET_FM_MMR6<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> { bits<32> Inst; let Inst{31-26} = 0x00; let Inst{25-16} = 0x00; let Inst{15-6} = funct; let Inst{5-0} = 0x3c; } class ERETNC_FM_MMR6<string instr_asm> : MMR6Arch<instr_asm> { bits<32> Inst; let Inst{31-26} = 0x00; let Inst{25-17} = 0x00; let Inst{16-16} = 0x01; let Inst{15-6} = 0x3cd; let Inst{5-0} = 0x3c; } class BREAK_MMR6_ENC<string instr_asm> : MMR6Arch<instr_asm> { bits<10> code_1; bits<10> code_2; bits<32> Inst; let Inst{31-26} = 0x0; let Inst{25-16} = code_1; let Inst{15-6} = code_2; let Inst{5-0} = 0x07; } class BARRIER_MMR6_ENC<string instr_asm, bits<5> op> : MMR6Arch<instr_asm> { bits<32> Inst; let Inst{31-26} = 0x0; let Inst{25-21} = 0x0; let Inst{20-16} = 0x0; let Inst{15-11} = op; let Inst{10-6} = 0x0; let Inst{5-0} = 0x0; } class POOL32A_EIDI_MMR6_ENC<string instr_asm, bits<10> funct> : MMR6Arch<instr_asm> { bits<32> Inst; bits<5> rt; // Actually rs but we're sharing code with the standard encodings which call it rt let Inst{31-26} = 0x00; let Inst{25-21} = 0x00; let Inst{20-16} = rt; 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 POOL32C_SWE_FM_MMR6<string instr_asm, bits<6> op, bits<4> fmt, bits<3> funct> : MMR6Arch<instr_asm> { 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} = op; let Inst{25-21} = rt; let Inst{20-16} = base; let Inst{15-12} = fmt; let Inst{11-9} = funct; let Inst{8-0} = offset; } 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 : MicroMipsR6Inst16 { 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 : MicroMipsR6Inst16 { 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 : MicroMipsR6Inst16 { 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_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<bits<10> funct> : 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; }