llvm-project/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td

135 lines
6.1 KiB
TableGen
Raw Normal View History

//=- MicroMips64r6InstrInfo.td - Instruction Information -*- 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 MicroMips64r6 instructions.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//
// Instruction Encodings
//
//===----------------------------------------------------------------------===//
class DAUI_MMR6_ENC : DAUI_FM_MMR6;
class DAHI_MMR6_ENC : POOL32I_ADD_IMM_FM_MMR6<0b10001>;
class DATI_MMR6_ENC : POOL32I_ADD_IMM_FM_MMR6<0b10000>;
class DEXT_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b101100>;
class DEXTM_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b100100>;
class DEXTU_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b010100>;
class DALIGN_MMR6_ENC : POOL32S_DALIGN_FM_MMR6;
class DDIV_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"ddiv", 0b100011000>;
class DMOD_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"dmod", 0b101011000>;
class DDIVU_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"ddivu", 0b110011000>;
class DMODU_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"dmodu", 0b111011000>;
class DINSU_MM64R6_ENC : POOL32S_EXTBITS_FM_MMR6<0b110100>;
class DINSM_MM64R6_ENC : POOL32S_EXTBITS_FM_MMR6<0b000100>;
class DINS_MM64R6_ENC : POOL32S_EXTBITS_FM_MMR6<0b001100>;
//===----------------------------------------------------------------------===//
//
// Instruction Descriptions
//
//===----------------------------------------------------------------------===//
class DAUI_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
: MMR6Arch<instr_asm>, MipsR6Inst {
dag OutOperandList = (outs GPROpnd:$rt);
dag InOperandList = (ins GPROpnd:$rs, simm16:$imm);
string AsmString = !strconcat(instr_asm, "\t$rt, $rs, $imm");
list<dag> Pattern = [];
}
class DAUI_MMR6_DESC : DAUI_MMR6_DESC_BASE<"daui", GPR64Opnd>;
class DAHI_DATI_DESC_BASE<string instr_asm, RegisterOperand GPROpnd>
: MMR6Arch<instr_asm>, MipsR6Inst {
dag OutOperandList = (outs GPROpnd:$rs);
dag InOperandList = (ins GPROpnd:$rt, simm16:$imm);
string AsmString = !strconcat(instr_asm, "\t$rt, $imm");
string Constraints = "$rs = $rt";
}
class DAHI_MMR6_DESC : DAHI_DATI_DESC_BASE<"dahi", GPR64Opnd>;
class DATI_MMR6_DESC : DAHI_DATI_DESC_BASE<"dati", GPR64Opnd>;
class EXTBITS_DESC_BASE<string instr_asm, RegisterOperand RO, Operand PosOpnd,
Operand SizeOpnd, SDPatternOperator Op = null_frag>
: MMR6Arch<instr_asm>, MipsR6Inst {
dag OutOperandList = (outs RO:$rt);
dag InOperandList = (ins RO:$rs, PosOpnd:$pos, SizeOpnd:$size);
string AsmString = !strconcat(instr_asm, "\t$rt, $rs, $pos, $size");
list<dag> Pattern = [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))];
InstrItinClass Itinerary = II_EXT;
Format Form = FrmR;
string BaseOpcode = instr_asm;
}
// TODO: Add 'pos + size' constraint check to dext* instructions
// DEXT: 0 < pos + size <= 63
// DEXTM, DEXTU: 32 < pos + size <= 64
class DEXT_MMR6_DESC : EXTBITS_DESC_BASE<"dext", GPR64Opnd, uimm5,
uimm5_plus1, MipsExt>;
class DEXTM_MMR6_DESC : EXTBITS_DESC_BASE<"dextm", GPR64Opnd, uimm5,
uimm5_plus33, MipsExt>;
class DEXTU_MMR6_DESC : EXTBITS_DESC_BASE<"dextu", GPR64Opnd, uimm5_plus32,
uimm5_plus1, MipsExt>;
class DALIGN_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
Operand ImmOpnd> : MMR6Arch<instr_asm>, MipsR6Inst {
dag OutOperandList = (outs GPROpnd:$rd);
dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt, ImmOpnd:$bp);
string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt, $bp");
list<dag> Pattern = [];
}
class DALIGN_MMR6_DESC : DALIGN_DESC_BASE<"dalign", GPR64Opnd, uimm3>;
class DDIV_MM64R6_DESC : ArithLogicR<"ddiv", GPR32Opnd>;
class DMOD_MM64R6_DESC : ArithLogicR<"dmod", GPR32Opnd>;
class DDIVU_MM64R6_DESC : ArithLogicR<"ddivu", GPR32Opnd>;
class DMODU_MM64R6_DESC : ArithLogicR<"dmodu", GPR32Opnd>;
class DINSU_MM64R6_DESC : InsBase<"dinsu", GPR64Opnd, uimm5_plus32,
uimm5_inssize_plus1, MipsIns>;
class DINSM_MM64R6_DESC : InsBase<"dinsm", GPR64Opnd, uimm5, uimm_range_2_64>;
class DINS_MM64R6_DESC : InsBase<"dins", GPR64Opnd, uimm5, uimm5_inssize_plus1,
MipsIns>;
//===----------------------------------------------------------------------===//
//
// Instruction Definitions
//
//===----------------------------------------------------------------------===//
let DecoderNamespace = "MicroMipsR6" in {
def DAUI_MM64R6 : StdMMR6Rel, DAUI_MMR6_DESC, DAUI_MMR6_ENC, ISA_MICROMIPS64R6;
def DAHI_MM64R6 : StdMMR6Rel, DAHI_MMR6_DESC, DAHI_MMR6_ENC, ISA_MICROMIPS64R6;
def DATI_MM64R6 : StdMMR6Rel, DATI_MMR6_DESC, DATI_MMR6_ENC, ISA_MICROMIPS64R6;
def DEXT_MM64R6 : StdMMR6Rel, DEXT_MMR6_DESC, DEXT_MMR6_ENC,
ISA_MICROMIPS64R6;
def DEXTM_MM64R6 : StdMMR6Rel, DEXTM_MMR6_DESC, DEXTM_MMR6_ENC,
ISA_MICROMIPS64R6;
def DEXTU_MM64R6 : StdMMR6Rel, DEXTU_MMR6_DESC, DEXTU_MMR6_ENC,
ISA_MICROMIPS64R6;
def DALIGN_MM64R6 : StdMMR6Rel, DALIGN_MMR6_DESC, DALIGN_MMR6_ENC,
ISA_MICROMIPS64R6;
def DDIV_MM64R6 : R6MMR6Rel, DDIV_MM64R6_DESC, DDIV_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DMOD_MM64R6 : R6MMR6Rel, DMOD_MM64R6_DESC, DMOD_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DDIVU_MM64R6 : R6MMR6Rel, DDIVU_MM64R6_DESC, DDIVU_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DMODU_MM64R6 : R6MMR6Rel, DMODU_MM64R6_DESC, DMODU_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DINSU_MM64R6: R6MMR6Rel, DINSU_MM64R6_DESC, DINSU_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DINSM_MM64R6: R6MMR6Rel, DINSM_MM64R6_DESC, DINSM_MM64R6_ENC,
ISA_MICROMIPS64R6;
def DINS_MM64R6: R6MMR6Rel, DINS_MM64R6_DESC, DINS_MM64R6_ENC,
ISA_MICROMIPS64R6;
}