llvm/lib/Target/Mips/MicroMipsInstrFormats.td - toolchain/llvm-project - Gitiles

 //===----------------------------------------------------------------------===//
 // MicroMIPS Base Classes
 //===----------------------------------------------------------------------===//

 //
 // Base class for MicroMips instructions.
 // This class does not depend on the instruction size.
 //
 class MicroMipsInstBase<dag outs, dag ins, string asmstr, list<dag> pattern,
                         InstrItinClass itin, Format f> : Instruction
 {
   let Namespace = "Mips";
   let DecoderNamespace = "MicroMips";

   let OutOperandList = outs;
   let InOperandList  = ins;

   let AsmString   = asmstr;
   let Pattern     = pattern;
   let Itinerary   = itin;

   let Predicates = [InMicroMips];

   Format Form = f;
 }

 //
 // Base class for MicroMIPS 16-bit instructions.
 //
 class MicroMipsInst16<dag outs, dag ins, string asmstr, list<dag> pattern,
                InstrItinClass itin, Format f> :
   MicroMipsInstBase<outs, ins, asmstr, pattern, itin, f>
 {
   let Size = 2;
   field bits<16> Inst;
   field bits<16> SoftFail = 0;
   bits<6> Opcode = 0x0;
 }

 //===----------------------------------------------------------------------===//
 // MicroMIPS 16-bit Instruction Formats
 //===----------------------------------------------------------------------===//

 class MOVE_FM_MM16<bits<6> funct> {
   bits<5> rs;
   bits<5> rd;

   bits<16> Inst;

   let Inst{15-10} = funct;
   let Inst{9-5}   = rd;
   let Inst{4-0}   = rs;
 }

 class JALR_FM_MM16<bits<5> op> {
   bits<5> rs;

   bits<16> Inst;

   let Inst{15-10} = 0x11;
   let Inst{9-5}   = op;
   let Inst{4-0}   = rs;
 }

 //===----------------------------------------------------------------------===//
 // MicroMIPS 32-bit Instruction Formats
 //===----------------------------------------------------------------------===//

 class MMArch {
   string Arch = "micromips";
   list<dag> Pattern = [];
 }

 class ADD_FM_MM<bits<6> op, bits<10> funct> : MMArch {
   bits<5> rt;
   bits<5> rs;
   bits<5> rd;

   bits<32> Inst;

   let Inst{31-26} = op;
   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_MM<bits<6> op> : MMArch {
   bits<5>  rs;
   bits<5>  rt;
   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 SLTI_FM_MM<bits<6> op> : MMArch {
   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 LUI_FM_MM : MMArch {
   bits<5> rt;
   bits<16> imm16;

   bits<32> Inst;

   let Inst{31-26} = 0x10;
   let Inst{25-21} = 0xd;
   let Inst{20-16} = rt;
   let Inst{15-0}  = imm16;
 }

 class MULT_FM_MM<bits<10> funct> : MMArch {
   bits<5>  rs;
   bits<5>  rt;

   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 SRA_FM_MM<bits<10> funct, bit rotate> : MMArch {
   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 SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch {
   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}    = rotate;
   let Inst{9-0}   = funct;
 }

 class LW_FM_MM<bits<6> op> : MMArch {
   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 LWL_FM_MM<bits<4> funct> {
   bits<5> rt;
   bits<21> addr;

   bits<32> Inst;

   let Inst{31-26} = 0x18;
   let Inst{25-21} = rt;
   let Inst{20-16} = addr{20-16};
   let Inst{15-12} = funct;
   let Inst{11-0}  = addr{11-0};
 }

 class CMov_F_I_FM_MM<bits<7> func> : MMArch {
   bits<5> rd;
   bits<5> rs;
   bits<3> fcc;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = rd;
   let Inst{20-16} = rs;
   let Inst{15-13} = fcc;
   let Inst{12-6}  = func;
   let Inst{5-0}   = 0x3b;
 }

 class MTLO_FM_MM<bits<10> funct> : MMArch {
   bits<5> rs;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = 0x00;
   let Inst{20-16} = rs;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class MFLO_FM_MM<bits<10> funct> : MMArch {
   bits<5> rd;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = 0x00;
   let Inst{20-16} = rd;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class CLO_FM_MM<bits<10> funct> : MMArch {
   bits<5> rd;
   bits<5> rs;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = rd;
   let Inst{20-16} = rs;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class SEB_FM_MM<bits<10> funct> : MMArch {
   bits<5> rd;
   bits<5> rt;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = rd;
   let Inst{20-16} = rt;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class EXT_FM_MM<bits<6> funct> : MMArch {
   bits<5> rt;
   bits<5> rs;
   bits<5> pos;
   bits<5> size;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = rt;
   let Inst{20-16} = rs;
   let Inst{15-11} = size;
   let Inst{10-6}  = pos;
   let Inst{5-0}   = funct;
 }

 class J_FM_MM<bits<6> op> : MMArch {
   bits<26> target;

   bits<32> Inst;

   let Inst{31-26} = op;
   let Inst{25-0}  = target;
 }

 class JR_FM_MM<bits<8> funct> : MMArch {
   bits<5> rs;

   bits<32> Inst;

   let Inst{31-21} = 0x00;
   let Inst{20-16} = rs;
   let Inst{15-14} = 0x0;
   let Inst{13-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class JALR_FM_MM<bits<10> funct> {
   bits<5> rs;
   bits<5> rd;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = rd;
   let Inst{20-16} = rs;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class BEQ_FM_MM<bits<6> op> : MMArch {
   bits<5>  rs;
   bits<5>  rt;
   bits<16> offset;

   bits<32> Inst;

   let Inst{31-26} = op;
   let Inst{25-21} = rt;
   let Inst{20-16} = rs;
   let Inst{15-0}  = offset;
 }

 class BGEZ_FM_MM<bits<5> funct> : MMArch {
   bits<5>  rs;
   bits<16> offset;

   bits<32> Inst;

   let Inst{31-26} = 0x10;
   let Inst{25-21} = funct;
   let Inst{20-16} = rs;
   let Inst{15-0}  = offset;
 }

 class BGEZAL_FM_MM<bits<5> funct> : MMArch {
   bits<5>  rs;
   bits<16> offset;

   bits<32> Inst;

   let Inst{31-26} = 0x10;
   let Inst{25-21} = funct;
   let Inst{20-16} = rs;
   let Inst{15-0}  = offset;
 }

 class SYNC_FM_MM : MMArch {
   bits<5> stype;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = 0x0;
   let Inst{20-16} = stype;
   let Inst{15-6}  = 0x1ad;
   let Inst{5-0}   = 0x3c;
 }

 class BRK_FM_MM : MMArch {
   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 SYS_FM_MM : MMArch {
   bits<10> code_;
   bits<32> Inst;
   let Inst{31-26} = 0x0;
   let Inst{25-16} = code_;
   let Inst{15-6}  = 0x22d;
   let Inst{5-0}   = 0x3c;
 }

 class WAIT_FM_MM {
   bits<10> code_;
   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-16} = code_;
   let Inst{15-6}  = 0x24d;
   let Inst{5-0}   = 0x3c;
 }

 class ER_FM_MM<bits<10> funct> : MMArch {
   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-16} = 0x00;
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class EI_FM_MM<bits<10> funct> : MMArch {
   bits<32> Inst;
   bits<5> 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 TEQ_FM_MM<bits<6> funct> : MMArch {
   bits<5> rs;
   bits<5> rt;
   bits<4> code_;

   bits<32> Inst;

   let Inst{31-26} = 0x00;
   let Inst{25-21} = rt;
   let Inst{20-16} = rs;
   let Inst{15-12} = code_;
   let Inst{11-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }

 class TEQI_FM_MM<bits<5> funct> : MMArch {
   bits<5> rs;
   bits<16> imm16;

   bits<32> Inst;

   let Inst{31-26} = 0x10;
   let Inst{25-21} = funct;
   let Inst{20-16} = rs;
   let Inst{15-0}  = imm16;
 }

 class LL_FM_MM<bits<4> funct> {
   bits<5> rt;
   bits<21> addr;

   bits<32> Inst;

   let Inst{31-26} = 0x18;
   let Inst{25-21} = rt;
   let Inst{20-16} = addr{20-16};
   let Inst{15-12} = funct;
   let Inst{11-0}  = addr{11-0};
 }

 class ADDS_FM_MM<bits<2> fmt, bits<8> funct> : MMArch {
   bits<5> ft;
   bits<5> fs;
   bits<5> fd;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   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;

   list<dag> Pattern = [];
 }

 class LWXC1_FM_MM<bits<9> funct> : MMArch {
   bits<5> fd;
   bits<5> base;
   bits<5> index;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = index;
   let Inst{20-16} = base;
   let Inst{15-11} = fd;
   let Inst{10-9}  = 0x0;
   let Inst{8-0}   = funct;
 }

 class SWXC1_FM_MM<bits<9> funct> : MMArch {
   bits<5> fs;
   bits<5> base;
   bits<5> index;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = index;
   let Inst{20-16} = base;
   let Inst{15-11} = fs;
   let Inst{10-9}  = 0x0;
   let Inst{8-0}   = funct;
 }

 class CEQS_FM_MM<bits<2> fmt> : MMArch {
   bits<5> fs;
   bits<5> ft;
   bits<4> cond;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = ft;
   let Inst{20-16} = fs;
   let Inst{15-13} = 0x0;  // cc
   let Inst{12}    = 0;
   let Inst{11-10} = fmt;
   let Inst{9-6}   = cond;
   let Inst{5-0}   = 0x3c;
 }

 class BC1F_FM_MM<bits<5> tf> : MMArch {
   bits<16> offset;

   bits<32> Inst;

   let Inst{31-26} = 0x10;
   let Inst{25-21} = tf;
   let Inst{20-18} = 0x0; // cc
   let Inst{17-16} = 0x0;
   let Inst{15-0}  = offset;
 }

 class ROUND_W_FM_MM<bits<1> fmt, bits<8> funct> : MMArch {
   bits<5> fd;
   bits<5> fs;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = fd;
   let Inst{20-16} = fs;
   let Inst{15}    = 0;
   let Inst{14}    = fmt;
   let Inst{13-6}  = funct;
   let Inst{5-0}   = 0x3b;
 }

 class ABS_FM_MM<bits<2> fmt, bits<7> funct> : MMArch {
   bits<5> fd;
   bits<5> fs;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = fd;
   let Inst{20-16} = fs;
   let Inst{15}    = 0;
   let Inst{14-13} = fmt;
   let Inst{12-6}  = funct;
   let Inst{5-0}   = 0x3b;
 }

 class CMov_F_F_FM_MM<bits<9> func, bits<2> fmt> : MMArch {
   bits<5> fd;
   bits<5> fs;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = fd;
   let Inst{20-16} = fs;
   let Inst{15-13} = 0x0; //cc
   let Inst{12-11} = 0x0;
   let Inst{10-9}  = fmt;
   let Inst{8-0}   = func;
 }

 class CMov_I_F_FM_MM<bits<8> funct, bits<2> fmt> : MMArch {
   bits<5> fd;
   bits<5> fs;
   bits<5> rt;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = rt;
   let Inst{20-16} = fs;
   let Inst{15-11} = fd;
   let Inst{9-8}   = fmt;
   let Inst{7-0}   = funct;
 }

 class MFC1_FM_MM<bits<8> funct> : MMArch {
   bits<5> rt;
   bits<5> fs;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = rt;
   let Inst{20-16} = fs;
   let Inst{15-14} = 0x0;
   let Inst{13-6}  = funct;
   let Inst{5-0}   = 0x3b;
 }

 class MADDS_FM_MM<bits<6> funct>: MMArch {
   bits<5> ft;
   bits<5> fs;
   bits<5> fd;
   bits<5> fr;

   bits<32> Inst;

   let Inst{31-26} = 0x15;
   let Inst{25-21} = ft;
   let Inst{20-16} = fs;
   let Inst{15-11} = fd;
   let Inst{10-6}  = fr;
   let Inst{5-0}   = funct;
 }
	//===----------------------------------------------------------------------===//
	// MicroMIPS Base Classes
	//===----------------------------------------------------------------------===//

	//
	// Base class for MicroMips instructions.
	// This class does not depend on the instruction size.
	//
	class MicroMipsInstBase<dag outs, dag ins, string asmstr, list<dag> pattern,
	InstrItinClass itin, Format f> : Instruction
	{
	let Namespace = "Mips";
	let DecoderNamespace = "MicroMips";

	let OutOperandList = outs;
	let InOperandList = ins;

	let AsmString = asmstr;
	let Pattern = pattern;
	let Itinerary = itin;

	let Predicates = [InMicroMips];

	Format Form = f;
	}

	//
	// Base class for MicroMIPS 16-bit instructions.
	//
	class MicroMipsInst16<dag outs, dag ins, string asmstr, list<dag> pattern,
	InstrItinClass itin, Format f> :
	MicroMipsInstBase<outs, ins, asmstr, pattern, itin, f>
	{
	let Size = 2;
	field bits<16> Inst;
	field bits<16> SoftFail = 0;
	bits<6> Opcode = 0x0;
	}

	//===----------------------------------------------------------------------===//
	// MicroMIPS 16-bit Instruction Formats
	//===----------------------------------------------------------------------===//

	class MOVE_FM_MM16<bits<6> funct> {
	bits<5> rs;
	bits<5> rd;

	bits<16> Inst;

	let Inst{15-10} = funct;
	let Inst{9-5} = rd;
	let Inst{4-0} = rs;
	}

	class JALR_FM_MM16<bits<5> op> {
	bits<5> rs;

	bits<16> Inst;

	let Inst{15-10} = 0x11;
	let Inst{9-5} = op;
	let Inst{4-0} = rs;
	}

	//===----------------------------------------------------------------------===//
	// MicroMIPS 32-bit Instruction Formats
	//===----------------------------------------------------------------------===//

	class MMArch {
	string Arch = "micromips";
	list<dag> Pattern = [];
	}

	class ADD_FM_MM<bits<6> op, bits<10> funct> : MMArch {
	bits<5> rt;
	bits<5> rs;
	bits<5> rd;

	bits<32> Inst;

	let Inst{31-26} = op;
	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_MM<bits<6> op> : MMArch {
	bits<5> rs;
	bits<5> rt;
	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 SLTI_FM_MM<bits<6> op> : MMArch {
	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 LUI_FM_MM : MMArch {
	bits<5> rt;
	bits<16> imm16;

	bits<32> Inst;

	let Inst{31-26} = 0x10;
	let Inst{25-21} = 0xd;
	let Inst{20-16} = rt;
	let Inst{15-0} = imm16;
	}

	class MULT_FM_MM<bits<10> funct> : MMArch {
	bits<5> rs;
	bits<5> rt;

	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 SRA_FM_MM<bits<10> funct, bit rotate> : MMArch {
	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 SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch {
	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} = rotate;
	let Inst{9-0} = funct;
	}

	class LW_FM_MM<bits<6> op> : MMArch {
	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 LWL_FM_MM<bits<4> funct> {
	bits<5> rt;
	bits<21> addr;

	bits<32> Inst;

	let Inst{31-26} = 0x18;
	let Inst{25-21} = rt;
	let Inst{20-16} = addr{20-16};
	let Inst{15-12} = funct;
	let Inst{11-0} = addr{11-0};
	}

	class CMov_F_I_FM_MM<bits<7> func> : MMArch {
	bits<5> rd;
	bits<5> rs;
	bits<3> fcc;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = rd;
	let Inst{20-16} = rs;
	let Inst{15-13} = fcc;
	let Inst{12-6} = func;
	let Inst{5-0} = 0x3b;
	}

	class MTLO_FM_MM<bits<10> funct> : MMArch {
	bits<5> rs;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = 0x00;
	let Inst{20-16} = rs;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class MFLO_FM_MM<bits<10> funct> : MMArch {
	bits<5> rd;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = 0x00;
	let Inst{20-16} = rd;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class CLO_FM_MM<bits<10> funct> : MMArch {
	bits<5> rd;
	bits<5> rs;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = rd;
	let Inst{20-16} = rs;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class SEB_FM_MM<bits<10> funct> : MMArch {
	bits<5> rd;
	bits<5> rt;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = rd;
	let Inst{20-16} = rt;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class EXT_FM_MM<bits<6> funct> : MMArch {
	bits<5> rt;
	bits<5> rs;
	bits<5> pos;
	bits<5> size;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = rt;
	let Inst{20-16} = rs;
	let Inst{15-11} = size;
	let Inst{10-6} = pos;
	let Inst{5-0} = funct;
	}

	class J_FM_MM<bits<6> op> : MMArch {
	bits<26> target;

	bits<32> Inst;

	let Inst{31-26} = op;
	let Inst{25-0} = target;
	}

	class JR_FM_MM<bits<8> funct> : MMArch {
	bits<5> rs;

	bits<32> Inst;

	let Inst{31-21} = 0x00;
	let Inst{20-16} = rs;
	let Inst{15-14} = 0x0;
	let Inst{13-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class JALR_FM_MM<bits<10> funct> {
	bits<5> rs;
	bits<5> rd;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = rd;
	let Inst{20-16} = rs;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class BEQ_FM_MM<bits<6> op> : MMArch {
	bits<5> rs;
	bits<5> rt;
	bits<16> offset;

	bits<32> Inst;

	let Inst{31-26} = op;
	let Inst{25-21} = rt;
	let Inst{20-16} = rs;
	let Inst{15-0} = offset;
	}

	class BGEZ_FM_MM<bits<5> funct> : MMArch {
	bits<5> rs;
	bits<16> offset;

	bits<32> Inst;

	let Inst{31-26} = 0x10;
	let Inst{25-21} = funct;
	let Inst{20-16} = rs;
	let Inst{15-0} = offset;
	}

	class BGEZAL_FM_MM<bits<5> funct> : MMArch {
	bits<5> rs;
	bits<16> offset;

	bits<32> Inst;

	let Inst{31-26} = 0x10;
	let Inst{25-21} = funct;
	let Inst{20-16} = rs;
	let Inst{15-0} = offset;
	}

	class SYNC_FM_MM : MMArch {
	bits<5> stype;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = 0x0;
	let Inst{20-16} = stype;
	let Inst{15-6} = 0x1ad;
	let Inst{5-0} = 0x3c;
	}

	class BRK_FM_MM : MMArch {
	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 SYS_FM_MM : MMArch {
	bits<10> code_;
	bits<32> Inst;
	let Inst{31-26} = 0x0;
	let Inst{25-16} = code_;
	let Inst{15-6} = 0x22d;
	let Inst{5-0} = 0x3c;
	}

	class WAIT_FM_MM {
	bits<10> code_;
	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-16} = code_;
	let Inst{15-6} = 0x24d;
	let Inst{5-0} = 0x3c;
	}

	class ER_FM_MM<bits<10> funct> : MMArch {
	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-16} = 0x00;
	let Inst{15-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class EI_FM_MM<bits<10> funct> : MMArch {
	bits<32> Inst;
	bits<5> 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 TEQ_FM_MM<bits<6> funct> : MMArch {
	bits<5> rs;
	bits<5> rt;
	bits<4> code_;

	bits<32> Inst;

	let Inst{31-26} = 0x00;
	let Inst{25-21} = rt;
	let Inst{20-16} = rs;
	let Inst{15-12} = code_;
	let Inst{11-6} = funct;
	let Inst{5-0} = 0x3c;
	}

	class TEQI_FM_MM<bits<5> funct> : MMArch {
	bits<5> rs;
	bits<16> imm16;

	bits<32> Inst;

	let Inst{31-26} = 0x10;
	let Inst{25-21} = funct;
	let Inst{20-16} = rs;
	let Inst{15-0} = imm16;
	}

	class LL_FM_MM<bits<4> funct> {
	bits<5> rt;
	bits<21> addr;

	bits<32> Inst;

	let Inst{31-26} = 0x18;
	let Inst{25-21} = rt;
	let Inst{20-16} = addr{20-16};
	let Inst{15-12} = funct;
	let Inst{11-0} = addr{11-0};
	}

	class ADDS_FM_MM<bits<2> fmt, bits<8> funct> : MMArch {
	bits<5> ft;
	bits<5> fs;
	bits<5> fd;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	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;

	list<dag> Pattern = [];
	}

	class LWXC1_FM_MM<bits<9> funct> : MMArch {
	bits<5> fd;
	bits<5> base;
	bits<5> index;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = index;
	let Inst{20-16} = base;
	let Inst{15-11} = fd;
	let Inst{10-9} = 0x0;
	let Inst{8-0} = funct;
	}

	class SWXC1_FM_MM<bits<9> funct> : MMArch {
	bits<5> fs;
	bits<5> base;
	bits<5> index;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = index;
	let Inst{20-16} = base;
	let Inst{15-11} = fs;
	let Inst{10-9} = 0x0;
	let Inst{8-0} = funct;
	}

	class CEQS_FM_MM<bits<2> fmt> : MMArch {
	bits<5> fs;
	bits<5> ft;
	bits<4> cond;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = ft;
	let Inst{20-16} = fs;
	let Inst{15-13} = 0x0; // cc
	let Inst{12} = 0;
	let Inst{11-10} = fmt;
	let Inst{9-6} = cond;
	let Inst{5-0} = 0x3c;
	}

	class BC1F_FM_MM<bits<5> tf> : MMArch {
	bits<16> offset;

	bits<32> Inst;

	let Inst{31-26} = 0x10;
	let Inst{25-21} = tf;
	let Inst{20-18} = 0x0; // cc
	let Inst{17-16} = 0x0;
	let Inst{15-0} = offset;
	}

	class ROUND_W_FM_MM<bits<1> fmt, bits<8> funct> : MMArch {
	bits<5> fd;
	bits<5> fs;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = fd;
	let Inst{20-16} = fs;
	let Inst{15} = 0;
	let Inst{14} = fmt;
	let Inst{13-6} = funct;
	let Inst{5-0} = 0x3b;
	}

	class ABS_FM_MM<bits<2> fmt, bits<7> funct> : MMArch {
	bits<5> fd;
	bits<5> fs;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = fd;
	let Inst{20-16} = fs;
	let Inst{15} = 0;
	let Inst{14-13} = fmt;
	let Inst{12-6} = funct;
	let Inst{5-0} = 0x3b;
	}

	class CMov_F_F_FM_MM<bits<9> func, bits<2> fmt> : MMArch {
	bits<5> fd;
	bits<5> fs;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = fd;
	let Inst{20-16} = fs;
	let Inst{15-13} = 0x0; //cc
	let Inst{12-11} = 0x0;
	let Inst{10-9} = fmt;
	let Inst{8-0} = func;
	}

	class CMov_I_F_FM_MM<bits<8> funct, bits<2> fmt> : MMArch {
	bits<5> fd;
	bits<5> fs;
	bits<5> rt;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = rt;
	let Inst{20-16} = fs;
	let Inst{15-11} = fd;
	let Inst{9-8} = fmt;
	let Inst{7-0} = funct;
	}

	class MFC1_FM_MM<bits<8> funct> : MMArch {
	bits<5> rt;
	bits<5> fs;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = rt;
	let Inst{20-16} = fs;
	let Inst{15-14} = 0x0;
	let Inst{13-6} = funct;
	let Inst{5-0} = 0x3b;
	}

	class MADDS_FM_MM<bits<6> funct>: MMArch {
	bits<5> ft;
	bits<5> fs;
	bits<5> fd;
	bits<5> fr;

	bits<32> Inst;

	let Inst{31-26} = 0x15;
	let Inst{25-21} = ft;
	let Inst{20-16} = fs;
	let Inst{15-11} = fd;
	let Inst{10-6} = fr;
	let Inst{5-0} = funct;
	}