//    <insn> ::=
//        <insn-word> { "+" <insn-word> }
//        ":" <format-name>
//        ":" <filter-flags>
//        ":" <options>
//        ":" <name>
//        <nl>
//        { <insn-model> }
//        { <insn-mnemonic> }
//        <code-block>
//


// IGEN config - mips16
:option:16:insn-bit-size:16
:option:16:hi-bit-nr:15
:option:16:insn-specifying-widths:true
:option:16:gen-delayed-branch:true

// IGEN config - mipsI..
:option:32:insn-bit-size:32
:option:32:hi-bit-nr:31
:option:32:insn-specifying-widths:true
:option:32:gen-delayed-branch:true


// Generate separate simulators for each target
:option::multi-sim:true


// Models known by this simulator
:model::mipsI:mipsI:
:model::mipsII:mipsII:
:model::mipsIII:mipsIII:
:model::mipsIV:mipsIV:
:model::mips16:mips16:
// start-sanitize-r5900
:model::r5900:r5900:
// end-sanitize-r5900
:model::r3900:r3900:
// start-sanitize-tx19
:model::tx19:tx19:
// end-sanitize-tx19



// Pseudo instructions known by IGEN
:internal:::illegal
{
  sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n",
		  (unsigned long) CIA);
  sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGILL);
}




//
// MIPS Architecture:
//
//        CPU Instruction Set (mipsI - mipsIV)
//


000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
"add r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU32_BEGIN (GPR[RS]);
  ALU32_ADD (GPR[RT]);
  ALU32_END (GPR[RD]);
}


001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
"addi r<RT>, r<RS>, IMMEDIATE"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU32_BEGIN (GPR[RS]);
  ALU32_ADD (EXTEND16 (IMMEDIATE));
  ALU32_END (GPR[RT]);
}


001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU
"add r<RT>, r<RS>, IMMEDIATE"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  signed32 temp = GPR[RS] + EXTEND16 (IMMEDIATE);
  GPR[RT] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  signed32 temp = GPR[RS] + GPR[RT];
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
"and r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = GPR[RS] & GPR[RT];
}


001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
"and r<RT>, r<RS>, IMMEDIATE"
*mipsI:
*mipsII:
*mipsIII:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = GPR[RS] & IMMEDIATE;
}


000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
"beq r<RS>, r<RT>, OFFSET"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] == GPR[RT])
    DSPC = (PC + offset);
}


010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL
"beql r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] == GPR[RT])
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
"bgez r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] >= 0)
    DSPC = (PC + offset);
}


000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL
"bgezal r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  RA = (CIA + 8);
  if (GPR[RS] >= 0)
    DSPC = (PC + offset);
}


000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL
"bgezall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  RA = (CIA + 8);
  /* NOTE: The branch occurs AFTER the next instruction has been
     executed */
  if (GPR[RS] >= 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] >= 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
"bgtz r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] > 0)
    DSPC = (PC + offset);
}


010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL
"bgtzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  /* NOTE: The branch occurs AFTER the next instruction has been
     executed */
  if (GPR[RS] > 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
"blez r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  /* NOTE: The branch occurs AFTER the next instruction has been
     executed */
  if (GPR[RS] <= 0)
    DSPC = (PC + offset);
}


010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] <= 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
"bltz r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] < 0)
    DSPC = (PC + offset);
}


000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL
"bltzal r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  RA = (CIA + 8);
  /* NOTE: The branch occurs AFTER the next instruction has been
     executed */
  if (GPR[RS] < 0)
    DSPC = (PC + offset);
}


000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL
"bltzall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  RA = (CIA + 8);
  if (GPR[RS] < 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL
"bltzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  /* NOTE: The branch occurs AFTER the next instruction has been
     executed */
  if (GPR[RS] < 0)
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
"bne r<RS>, r<RT>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] != GPR[RT])
    DSPC = (PC + offset);
}


010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL
"bnel r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word offset = EXTEND16 (OFFSET) << 2;
  if (GPR[RS] != GPR[RT])
    DSPC = (PC + offset);
  else
    NULLIFY_NIA ();
}


000000,20.CODE,001101:SPECIAL:32::BREAK
"break"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  SignalException(BreakPoint, instruction_0);
}


0100,ZZ!0!1!3,26.COP_FUN:NORMAL:32::COPz
"cop<ZZ> <COP_FUN>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  DecodeCoproc (instruction_0);
}


000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD
"dadd r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU64_BEGIN (GPR[RS]);
  ALU64_ADD (GPR[RT]);
  ALU64_END (GPR[RT]);
}


011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI
"daddi r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU64_BEGIN (GPR[RS]);
  ALU64_ADD (EXTEND16 (IMMEDIATE));
  ALU64_END (GPR[RT]);
}


011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU
"daddu r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = GPR[RS] + EXTEND16 (IMMEDIATE);
}


000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU
"daddu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = GPR[RS] + GPR[RT];
}


000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV
"ddiv r<RS>, r<RT>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO ("Division");
  {
    signed64 n = GPR[RS];
    signed64 d = GPR[RT];
    if (d == 0)
      {
	LO = SIGNED64 (0x8000000000000000);
	HI = 0;
      }
    else if (d == -1 && n == SIGNED64 (0x8000000000000000))
      {
	LO = SIGNED64 (0x8000000000000000);
	HI = 0;
      }
    else
      {
	LO = (n / d);
	HI = (n % d);
      }
  }
}



000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
"ddivu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO ("Division");
  {
    unsigned64 n = GPR[RS];
    unsigned64 d = GPR[RT];
    if (d == 0)
      {
	LO = SIGNED64 (0x8000000000000000);
	HI = 0;
      }
    else
      {
	LO = (n / d);
	HI = (n % d);
      }
  }
}


000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
"div r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO("Division");
  {
    signed32 n = GPR[RS];
    signed32 d = GPR[RT];
    if (d == 0)
      {
	LO = EXTEND32 (0x80000000);
	HI = EXTEND32 (0);
      }
    else if (d == -1 && d == 0x80000000)
      {
	LO = EXTEND32 (0x80000000);
	HI = EXTEND32 (0);
      }
    else
      {
	LO = EXTEND32 (n / d);
	HI = EXTEND32 (n % d);
      }
  }
}


000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU
"divu r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO ("Division");
  {
    unsigned32 n = GPR[RS];
    unsigned32 d = GPR[RT];
    if (d == 0)
      {
	LO = EXTEND32 (0x80000000);
	HI = EXTEND32 (0);
      }
   else
     {
       LO = EXTEND32 (n / d);
       HI = EXTEND32 (n % d);
     }
  }
}


000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT
"dmult r<RS>, r<RT>"
*mipsIII:
*mipsIV:
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO ("Multiplication");
  {
    signed64 op1 = GPR[RS];
    signed64 op2 = GPR[RT];
    unsigned64 lo;
    unsigned64 hi;
    unsigned64 m00;
    unsigned64 m01;
    unsigned64 m10;
    unsigned64 m11;
    unsigned64 mid;
    int sign = 0;
    /* make it unsigned */
    if (op1 < 0)
      {
	op1 = - op1;
	++sign;
      }
    if (op2 < 0)
      {
	op2 = - op2;
	++sign;
      }
    /* multuply out the 4 sub products */
    m00 = (VL4_8 (op1) * VL4_8 (op2));
    m10 = (VH4_8 (op1) * VL4_8 (op2));
    m01 = (VL4_8 (op1) * VH4_8 (op2));
    m11 = (VH4_8 (op1) * VH4_8 (op2));
    /* add the products */
    mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
    lo = U8_4 (mid, m00);
    hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
    /* save the result */
    if (sign & 1)
      {
	LO = -lo;
	if (lo == 0)
	  HI = -hi;
	else
	  HI = -hi - 1;
      }
    else
      {
	LO = lo;
	HI = hi;
      }
  }
}


000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU
"dmultu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  CHECKHILO ("Multiplication");
  {
    signed64 op1 = GPR[RS];
    signed64 op2 = GPR[RT];
    unsigned64 lo;
    unsigned64 hi;
    unsigned64 m00;
    unsigned64 m01;
    unsigned64 m10;
    unsigned64 m11;
    unsigned64 mid;
    /* multuply out the 4 sub products */
    m00 = (VL4_8 (op1) * VL4_8 (op2));
    m10 = (VH4_8 (op1) * VL4_8 (op2));
    m01 = (VL4_8 (op1) * VH4_8 (op2));
    m11 = (VH4_8 (op1) * VH4_8 (op2));
    /* add the products */
    mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
    lo = U8_4 (mid, m00);
    hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
    /* save the result */
    LO = lo;
    HI = hi;
  }
}


00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
"dsll r<RD>, r<RT>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SA;
  GPR[RD] = GPR[RT] << s;
}


00000000000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32
"dsll32 r<RD>, r<RT>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = 32 + SA;
  GPR[RD] = GPR[RT] << s;
}


000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV
"dsllv r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED64 (GPR[RS], 5, 0);
  GPR[RD] = GPR[RT] << s;
}


00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
"dsra r<RD>, r<RT>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SA;
  GPR[RD] = ((signed64) GPR[RT]) >> s;
}


00000000000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32
"dsra32 r<RT>, r<RD>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = 32 + SA;
  GPR[RD] = ((signed64) GPR[RT]) >> s;
}


000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV
"dsra32 r<RT>, r<RD>, r<RS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED64 (GPR[RS], 5, 0);
  GPR[RD] = ((signed64) GPR[RT]) >> s;
}


00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
"dsrav r<RD>, r<RT>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SA;
  GPR[RD] = (unsigned64) GPR[RT] >> s;
}


00000000000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32
"dsrl32 r<RD>, r<RT>, <SA>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = 32 + SA;
  GPR[RD] = (unsigned64) GPR[RT] >> s;
}


000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV
"dsrl32 r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED64 (GPR[RS], 5, 0);
  GPR[RD] = (unsigned64) GPR[RT] >> s;
}


000000,5.RS,5.RT,5.RD,00000101110:SPECIAL:64::DSUB
"dsub r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU64_BEGIN (GPR[RS]);
  ALU64_SUB (GPR[RT]);
  ALU64_END (GPR[RD]);
}


000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU
"dsubu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = GPR[RS] - GPR[RT];
}


000010,26.INSTR_INDEX:NORMAL:32::J
"j <INSTR_INDEX>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  /* NOTE: The region used is that of the delay slot and NOT the
     current instruction */
  address_word region = cia.dp & MASK (63, 28);
  DSPC = region | (INSTR_INDEX << 2);
}


000011,26.INSTR_INDEX:NORMAL:32::JAL
"jal <INSTR_INDEX>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  /* NOTE: The region used is that of the delay slot and NOT the
     current instruction */
  address_word region = cia.dp & MASK (63, 28);
  GPR[31] = CIA + 8;
  DSPC = region | (INSTR_INDEX << 2);
}


000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR
"jalr r<RS>":RD == 31
"jalr r<RD>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  address_word temp = GPR[RS];
  GPR[RD] = CIA + 8;
  DSPC = temp;
}


000000,5.RS,000000000000000001000:SPECIAL:32::JR
"jr r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  DSPC = GPR[RS];
}


100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB
"lb r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    uword64 vaddr = ((uword64)op1 + offset);
    uword64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  uword64 memval = 0;
	  uword64 memval1 = 0;
	  uword64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8));
	}
    }
  }
}


100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU
"lbu r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF));
	}
    }
  }
}


110111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LD
"ld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	  }
      }
  }
}


1101,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDCz
"ldc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    COP_LD(((instruction >> 26) & 0x3),destreg,memval);;
	  }
      }
  }
}


011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL
"ldl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 7;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!!ByteSwapMem)
	    paddr &= ~mask;
	  LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
	  GPR[destreg] = ((memval << ((7 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((7 - byte) * 8)) - 1)));
	}
    }
  }
}


011011,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDR
"ldr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 7;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!ByteSwapMem)
	    paddr &= ~mask;
	  LoadMemory(&memval,&memval1,uncached,(7 - byte),paddr,vaddr,isDATA,isREAL);
	  {
	    unsigned64 srcmask;
	    if (byte == 0)
	      srcmask = 0;
	    else
	      srcmask = ((unsigned64)-1 << (8 * (8 - byte)));
	    GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
	  }
	}
    }
  }
}


100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH
"lh r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16));
	  }
      }
  }
}


100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
"lhu r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF));
	  }
      }
  }
}


110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL
"ll r<RT>, <OFFSET>(r<BASE>)"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
	    LLBIT = 1;
	  }
      }
  }
}


110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD
"lld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	    LLBIT = 1;
	  }
      }
  }
}


001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
"lui r<RT>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = EXTEND32 (IMMEDIATE << 16);
}


100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW
"lw r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
	  }
      }
  }
}


1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz
"lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    COP_LW(((instruction >> 26) & 0x3),destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
	  }
      }
  }
}


100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL
"lwl r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 3;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!!ByteSwapMem)
	    paddr &= ~mask;
	  LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
	  if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
	    memval >>= 32;
	  }
	  GPR[destreg] = ((memval << ((3 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((3 - byte) * 8)) - 1)));
	  GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
	}
    }
  }
}


100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR
"lwr r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 3;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!ByteSwapMem)
	    paddr &= ~mask;
	  LoadMemory(&memval,&memval1,uncached,(3 - byte),paddr,vaddr,isDATA,isREAL);
	  if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
	    memval >>= 32;
	  }
	  {
	    unsigned64 srcmask;
	    if (byte == 0)
	      srcmask = 0;
	    else
	      srcmask = ((unsigned64)-1 << (8 * (4 - byte)));
	    GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
	  }
	  GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
	}
    }
  }
}


100111,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWU
"lwu r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF));
	  }
      }
  }
}


000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
"mfhi r<RD>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = HI;
  HIACCESS = 3;
}


000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
"mflo r<RD>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = LO;
  LOACCESS = 3; /* 3rd instruction will be safe */
}


000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN
"movn r<RD>, r<RS>, r<RT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  if (GPR[RT] != 0)
    GPR[RD] = GPR[RS];
}


000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ
"movz r<RD>, r<RS>, r<RT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  if (GPR[RT] == 0)
    GPR[RD] = GPR[RS];
}


000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
"mthi r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (HIACCESS != 0)
    sim_io_eprintf (sd, "MT (move-to) over-writing HI register value\n");
  HI = GPR[RS];
  HIACCESS = 3; /* 3rd instruction will be safe */
}


000000,5.RS,000000000000000010011:SPECIAL:32::MTLO
"mtlo r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (LOACCESS != 0)
    sim_io_eprintf (sd, "MT (move-to) over-writing LO register value\n");
  LO = GPR[RS];
  LOACCESS = 3; /* 3rd instruction will be safe */
}


000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
"mult r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  signed64 prod;
  CHECKHILO ("Multiplication");
  prod = (((signed64)(signed32) GPR[RS])
	  * ((signed64)(signed32) GPR[RT]));
  LO = EXTEND32 (VL4_8 (prod));
  HI = EXTEND32 (VH4_8 (prod));
}


000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
"multu r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned64 prod;
  CHECKHILO ("Multiplication");
  prod = (((unsigned64)(unsigned32) GPR[RS])
	  * ((unsigned64)(unsigned32) GPR[RT]));
  LO = EXTEND32 (VL4_8 (prod));
  HI = EXTEND32 (VH4_8 (prod));
}


000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
"nor r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = ~ (GPR[RS] | GPR[RT]);
}


000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
"or r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = (GPR[RS] | GPR[RT]);
}


001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
"ori r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = (GPR[RS] | IMMEDIATE);
}


110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int hint = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	Prefetch(uncached,paddr,vaddr,isDATA,hint);
    }
  }
}

101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB
"sb r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  memval = ((unsigned64) op2 << (8 * byte));
	  {
	    StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL);
	  }
	}
    }
  }
}


111000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SC
"sc r<RT>, <OFFSET>(r<BASE>)"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = ((unsigned64) op2 << (8 * byte));
	    if (LLBIT)
	      {
		StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	      }
	    GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
	  }
      }
  }
}


111100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SCD
"scd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = op2;
	    if (LLBIT)
	      {
		StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	      }
	    GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
	  }
      }
  }
}


111111,5.BASE,5.RT,16.OFFSET:NORMAL:64::SD
"sd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = op2;
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


1111,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDCz
"sdc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = (unsigned64)COP_SD(((instruction >> 26) & 0x3),destreg);
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


101100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDL
"sdl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 7;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!!ByteSwapMem)
	    paddr &= ~mask;
	  memval = (op2 >> (8 * (7 - byte)));
	  StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
	}
    }
  }
}


101101,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDR
"sdr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 7;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!ByteSwapMem)
	    paddr &= ~mask;
	  memval = ((unsigned64) op2 << (byte * 8));
	  StoreMemory(uncached,(AccessLength_DOUBLEWORD - byte),memval,memval1,paddr,vaddr,isREAL);
	}
    }
  }
}


101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH
"sh r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL
"sll r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SHIFT;
  unsigned32 temp = (GPR[RT] << s);
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
"sllv r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED (GPR[RS], 4, 0);
  unsigned32 temp = (GPR[RT] << s);
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT
"slt r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = (GPR[RS] < GPR[RT]);
}


001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
"slti r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = (GPR[RS] < EXTEND16 (IMMEDIATE));
}


001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
"sltiu r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE));
}

000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU
"sltu r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]);
}


000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA
"sra r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SHIFT;
  signed32 temp = (signed32) GPR[RT] >> s;
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV
"srav r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED (GPR[RS], 4, 0);
  signed32 temp = (signed32) GPR[RT] >> s;
  GPR[RD] = EXTEND32 (temp);
}


000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL
"srl r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = SHIFT;
  unsigned32 temp = (unsigned32) GPR[RT] >> s;
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV
"srlv r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  int s = MASKED (GPR[RS], 4, 0);
  unsigned32 temp = (unsigned32) GPR[RT] >> s;
  GPR[RD] = EXTEND32 (temp);
}


000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB
"sub r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  ALU32_BEGIN (GPR[RS]);
  ALU32_SUB (GPR[RT]);
  ALU32_END (GPR[RD]);
}


000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU
"subu r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = EXTEND32 (GPR[RS] - GPR[RT]);
}


101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW
"sw r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz
"swc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = (((unsigned64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
"swl r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 3;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!!ByteSwapMem)
	    paddr &= ~mask;
	  memval = (op2 >> (8 * (3 - byte)));
	  if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
	    memval <<= 32;
	  }
	  StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
	}
    }
  }
}


101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR
"swr r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 3;
	  unsigned int reverse = (ReverseEndian ? mask : 0);
	  unsigned int bigend = (BigEndianCPU ? mask : 0);
	  int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
	  byte = ((vaddr & mask) ^ bigend);
	  if (!ByteSwapMem)
	    paddr &= ~mask;
	  memval = ((unsigned64) op2 << (byte * 8));
	  if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
	    memval <<= 32;
	  }
	  StoreMemory(uncached,(AccessLength_WORD - byte),memval,memval1,paddr,vaddr,isREAL);
	}
    }
  }
}


000000000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
"sync":STYPE == 0
"sync <STYPE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  SyncOperation (STYPE);
}


000000,20.CODE,001100:SPECIAL:32::SYSCALL
"syscall <CODE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  SignalException(SystemCall, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110100:SPECIAL:32::TEQ
"teq r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] == GPR[RT])
    SignalException(Trap, instruction_0);
}


000001,5.RS,01100,16.IMMEDIATE:REGIMM:32::TEQI
"teqi r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] == EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110000:SPECIAL:32::TGE
"tge r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] >= GPR[RT])
    SignalException(Trap, instruction_0);
}


000001,5.RS,01000,16.IMMEDIATE:REGIMM:32::TGEI
"tgei r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] >= EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000001,5.RS,01001,16.IMMEDIATE:REGIMM:32::TGEIU
"tgeiu r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110001:SPECIAL:32::TGEU
"tgeu r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT])
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110010:SPECIAL:32::TLT
"tlt r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] < GPR[RT])
    SignalException(Trap, instruction_0);
}


000001,5.RS,01010,16.IMMEDIATE:REGIMM:32::TLTI
"tlti r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] < EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000001,5.RS,01011,16.IMMEDIATE:REGIMM:32::TLTIU
"tltiu r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110011:SPECIAL:32::TLTU
"tltu r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT])
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,10.CODE,110110:SPECIAL:32::TNE
"tne r<RS>, r<RT>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] != GPR[RT])
    SignalException(Trap, instruction_0);
}


000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI
"tne r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  if (GPR[RS] != EXTEND16 (IMMEDIATE))
    SignalException(Trap, instruction_0);
}


000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR
"xor r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RD] = GPR[RS] ^ GPR[RT];
}


001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
"xori r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  GPR[RT] = GPR[RS] ^ IMMEDIATE;
}


//
// MIPS Architecture:
//
//        FPU Instruction Set (COP1 & COP1X)
//


:%s:::FMT:int fmt
{
  switch (fmt)
    {
    case fmt_single: return "s";
    case fmt_double: return "d";
    case fmt_word: return "w";
    case fmt_long: return "l";
    default: return "?";
    }
}

:%s:::TF:int tf
{
  if (tf)
    return "t";
  else
    return "f";
}

:%s:::ND:int nd
{
  if (nd)
    return "l";
  else
    return "";
}

:%s:::COND:int cond
{
  switch (cond)
    {
    case 00: return "f";
    case 01: return "un";
    case 02: return "eq";
    case 03: return "ueq";
    case 04: return "olt";
    case 05: return "ult";
    case 06: return "ole";
    case 07: return "ule";
    case 010: return "sf";
    case 011: return "ngle";
    case 012: return "seq";
    case 013: return "ngl";
    case 014: return "lt";
    case 015: return "nge";
    case 016: return "le";
    case 017: return "ngt";
    default: return "?";
    }
}


010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
"abs.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,AbsoluteValue(ValueFPR(fs,format),format));
  }
}




010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD
"add.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction, instruction);
    else
      StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format));
  }
}


//
// FIXME: This does not correctly resolve mipsI-mipsIV differences.
//
// BC1F
// BC1FL
// BC1T
// BC1TL
010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1
"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)(((instruction >> 0) & 0x0000FFFF) << 2),18);
  int boolean = ((instruction >> 16) & 0x00000001);
  int likely = ((instruction >> 17) & 0x00000001);
  int condition_code = ((instruction >> 18) & 0x00000007);
  {
    if (condition_code != 0)
      SignalException(ReservedInstruction,instruction);
    else {
      int condition = (PREVCOC1() == boolean);
      /* NOTE: The branch occurs AFTER the next instruction has been executed */
      if (condition) {
	DSPC = (PC + offset);
      }
      else if (likely) {
	NULLIFY_NIA ();
      }
    }
  }
}


//
// FIXME: This does not correctly differentiate between mips*
//
010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmt
"c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
"c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int cmpflags = ((instruction >> 0) & 0x0000000F);
  int condition_code = ((instruction >> 8) & 0x00000007);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  if (condition_code != 0)
    {
      SignalException(ReservedInstruction,instruction);
    }
  else
    {
      if ((format != fmt_single) && (format != fmt_double))
	SignalException(ReservedInstruction,instruction);
      else {
	if (condition_code != 0)
	  SignalException(ReservedInstruction,instruction);
	else
	  {
	    int ignore = 0;
	    int less = 0;
	    int equal = 0;
	    int unordered = 1;
	    unsigned64 ofs = ValueFPR(fs,format);
	    unsigned64 oft = ValueFPR(ft,format);
	    if (NaN(ofs,format) || NaN(oft,format)) {
	      if (FCSR & FP_ENABLE(IO)) {
		FCSR |= FP_CAUSE(IO);
		SignalExceptionFPE();
		ignore = 1;
	      }
	    } else {
	      less = Less(ofs,oft,format);
	      equal = Equal(ofs,oft,format);
	      unordered = 0;
	    }
	    if (!ignore) {
	      int condition = (((cmpflags & (1 << 2)) && less) || ((cmpflags & (1 << 1)) && equal) || ((cmpflags & (1 << 0)) && unordered));
	      SETFCC(condition_code,condition);
	    }
	  }
      }
    }
}


010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt
"ceil.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word));
  }
}


// CFC1
// CTC1
01000100,x,10,kkkkk,vvvvv,00000000000:COP1S:32::CxC1
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int to = ((instruction >> 23) & 0x00000001);
  {
    if (to) {
      if (fs == 0) {
	PENDING_FILL((fs + FCR0IDX),VL4_8(GPR[ft]));
      } else if (fs == 31) {
	PENDING_FILL((fs + FCR31IDX),VL4_8(GPR[ft]));
      } /* else NOP */
      PENDING_FILL(COCIDX,0); /* special case */
    } else { /* control from */
      if (fs == 0) {
 	PENDING_FILL(ft,SIGNEXTEND(FCR0,32));
      } else if (fs == 31) {
 	PENDING_FILL(ft,SIGNEXTEND(FCR31,32));
      } /* else NOP */
    }
  }
}


//
// FIXME: Does not correctly differentiate between mips*
//
010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt
"cvt.d.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format == fmt_double) | 0)
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt
"cvt.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word)))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long));
  }
}


//
// FIXME: Does not correctly differentiate between mips*
//
010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt
"cvt.s.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format == fmt_single) | 0)
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
"cvt.w.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word)))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word));
  }
}


010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
"div.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format));
  }
}


// DMFC1
// DMTC1
01000100,x,01,5.FT,vvvvv,00000000000:COP1S:64::DMxC1
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int to = ((instruction >> 23) & 0x00000001);
  {
    if (to) {
      if (SizeFGR() == 64) {
	PENDING_FILL((fs + FGRIDX),GPR[ft]);
      } else
	if ((fs & 0x1) == 0)
	  {
	    PENDING_FILL(((fs + 1) + FGRIDX),VH4_8(GPR[ft]));
	    PENDING_FILL((fs + FGRIDX),VL4_8(GPR[ft]));
	  }
    } else {
      if (SizeFGR() == 64) {
	PENDING_FILL(ft,FGR[fs]);
      } else
	if ((fs & 0x1) == 0) {
	  PENDING_FILL(ft,(SET64HI(FGR[fs+1]) | FGR[fs]));
	} else {
	  PENDING_FILL(ft,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
	}
    }
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt
"floor.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt
"floor.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word));
  }
}


// LDC1
110101,5.BASE,5.FT,16.OFFSET:COP1:32::LDC1


010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1
"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + op2);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    COP_LD(1,destreg,memval);;
	  }
      }
  }
}


// LWC1
110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1


010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1
"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
   unsigned64 vaddr = ((unsigned64)op1 + op2);
   unsigned64 paddr;
   int uncached;
   if ((vaddr & 3) != 0)
    SignalExceptionAddressLoad();
   else
   {
    if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
    {
     unsigned64 memval = 0;
     unsigned64 memval1 = 0;
     unsigned64 mask = 0x7;
     unsigned int shift = 2;
     unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
     unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
     unsigned int byte;
     paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
     LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
     byte = ((vaddr & mask) ^ (bigend << shift));
     COP_LW(1,destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
    }
   }
  }
}



//
// FIXME: Not correct for mips*
//
010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32::MADD.D
"madd.d f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
    StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double));
  }
}


010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32::MADD.S
"madd.s f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
    StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single));
  }
}


// MFC1
010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
"m<X>c1 r<RT>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int to = ((instruction >> 23) & 0x00000001);
  {
    if (to) {
      if (SizeFGR() == 64) {
	PENDING_FILL ((fs + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[ft])));
      } else { 
	PENDING_FILL ((fs + FGRIDX), VL4_8(GPR[ft]));
      }
    } else {
      PENDING_FILL (ft, SIGNEXTEND(FGR[fs],32));
    }
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
"mov.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    StoreFPR(destreg,format,ValueFPR(fs,format));
  }
}


// MOVF
000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf
"mov%s<TF> r<RD>, r<RS>, <CC>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  if (GETFCC(CC) == TF)
    GPR[RD] = GPR[RS];
}


// MOVF.fmt
010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt
"mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int format = ((instruction >> 21) & 0x00000007);
  {
   if (GETFCC(CC) == TF)
     StoreFPR (FD, format, ValueFPR (FS, format));
   else
     StoreFPR (FD, format, ValueFPR (FD, format));
  }
}


010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    StoreFPR(destreg,format,ValueFPR(fs,format));
  }
}


// MOVT see MOVtf


// MOVT.fmt see MOVtf.fmt



010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt
"movz.%s<FMT> f<FD>, f<FS>, r<RT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
   StoreFPR(destreg,format,ValueFPR(fs,format));
  }
}


// MSUB.fmt
010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D
"msub.d f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
    StoreFPR(destreg,fmt_double,(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
  }
}


// MSUB.fmt
010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S
"msub.s f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
   StoreFPR(destreg,fmt_single,(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
  }
}


// MTC1 see MxC1


010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
"mul.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
"neg.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format));
  }
}


// NMADD.fmt
010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D
"nmadd.d f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
   StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
  }
}


// NMADD.fmt
010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S
"nmadd.s f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
   StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
  }
}


// NMSUB.fmt
010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D
"nmsub.d f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
   StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
  }
}


// NMSUB.fmt
010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S
"nmsub.s f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int fr = ((instruction >> 21) & 0x0000001F);
  {
    StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
  }
}


010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
"prefx <HINT>, r<INDEX>(r<BASE>)"
*mipsIV:
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + (unsigned64)op2);
    unsigned64 paddr;
    int uncached;
    if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
      Prefetch(uncached,paddr,vaddr,isDATA,fs);
  }
}

010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt
*mipsIV:
"recip.%s<FMT> f<FD>, f<FS>"
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt
"round.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt
"round.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt
*mipsIV:
"rsqrt.%s<FMT> f<FD>, f<FS>"
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format));
  }
}


// SDC1


010011,5.RS,5.RT,vvvvv,00000001001:COP1X:64::SDXC1
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + op2);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = (unsigned64)COP_SD(1,fs);
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt
"sqrt.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format)));
  }
}


010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
"sub.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int ft = ((instruction >> 16) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
    if ((format != fmt_single) && (format != fmt_double))
      SignalException(ReservedInstruction,instruction);
    else
      StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format));
  }
}


// SWC1


010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1
"swxc1 f<FS>, r<INDEX>(r<BASE>)"
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
{
  unsigned32 instruction = instruction_0;
  int fs = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
   unsigned64 vaddr = ((unsigned64)op1 + op2);
   unsigned64 paddr;
   int uncached;
   if ((vaddr & 3) != 0)
    SignalExceptionAddressStore();
   else
   {
    if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
    {
     unsigned64 memval = 0;
     unsigned64 memval1 = 0;
     unsigned64 mask = 0x7;
     unsigned int byte;
     paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
     byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
     memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte));
      {
       StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
      }
    }
   }
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt
"trunc.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long));
  }
}


010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W
"trunc.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 6) & 0x0000001F);
  int fs = ((instruction >> 11) & 0x0000001F);
  int format = ((instruction >> 21) & 0x00000007);
  {
  if ((format != fmt_single) && (format != fmt_double))
   SignalException(ReservedInstruction,instruction);
  else
   StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word));
  }
}


//
// MIPS Architecture:
//
//        System Control Instruction Set (COP0)
//


010000,01000,00000,16.OFFSET:COP0:32::BC0F
"bc0f <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,01000,00010,16.OFFSET:COP0:32::BC0FL
"bc0fl <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,01000,00001,16.OFFSET:COP0:32::BC0T
"bc0t <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900



010000,01000,00011,16.OFFSET:COP0:32::BC0TL
"bc0tl <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int hint = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = (op1 + offset);
    unsigned64 paddr;
    int uncached;
    if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
      CacheOp(hint,vaddr,paddr,instruction);
  }
}


010000,10000,000000000000000,111001:COP0:32::DI
"di"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,111000:COP0:32::EI
"ei"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,011000:COP0:32::ERET
"eret"
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0
"mfc0 r<RT>, r<RD> # <REGX>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
"mtc0 r<RT>, r<RD> # <REGX>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,001000:COP0:32::TLBP
"tlbp"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,000001:COP0:32::TLBR
"tlbr"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,000010:COP0:32::TLBWI
"tlbwi"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


010000,10000,000000000000000,000110:COP0:32::TLBWR
"tlbwr"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900


//
// MIPS Architecture:
//
//        CPU Instruction Set (mips16)
//

// The instructions in this section are ordered according
// to http://www.sgi.com/MIPS/arch/MIPS16/mips16.pdf.


// Load and Store Instructions


10000,xxx,ddd,55555:RRI:16::LB
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8));
	}
    }
  }
}


10100,xxx,ddd,55555:RRI:16::LBU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF));
	}
    }
  }
}


10001,xxx,ddd,HHHHH:RRI:16::LH
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 1;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16));
	  }
      }
  }
}


10101,xxx,ddd,HHHHH:RRI:16::LHU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 1;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF));
	  }
      }
  }
}


10011,xxx,ddd,WWWWW:RRI:16::LW
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
	  }
      }
  }
}


10110,ddd,VVVVVVVV,P:RI:16::LWPC
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
	  }
      }
  }
}


10010,ddd,VVVVVVVV,s:RI:16::LWSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
	  }
      }
  }
}


10111,xxx,ddd,WWWWW:RRI:16::LWU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 2;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF));
	  }
      }
  }
}


00111,xxx,ddd,DDDDD:RRI:16::LD
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 4;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	  }
      }
  }
}


11111100,ddd,5.RD,P:RI64:16::LDPC
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x7;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 4;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	  }
      }
  }
}


11111000,ddd,5.RD,s:RI64:16::LDSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  signed_word op1 = 29;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 4;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	  }
      }
  }
}


11000,xxx,yyy,55555:RRI:16::SB
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    {
      if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	{
	  unsigned64 memval = 0;
	  unsigned64 memval1 = 0;
	  unsigned64 mask = 0x7;
	  unsigned int shift = 0;
	  unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	  unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	  unsigned int byte;
	  paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	  byte = ((vaddr & mask) ^ (bigend << shift));
	  memval = ((unsigned64) op2 << (8 * byte));
	  {
	    StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL);
	  }
	}
    }
  }
}


11001,xxx,yyy,HHHHH:RRI:16::SH
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 1;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 1) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 1;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
	    byte = ((vaddr & mask) ^ (bigend << shift));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


11011,xxx,yyy,WWWWW:RRI:16::SW
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


11010,yyy,VVVVVVVV,s:RI:16::SWSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op2 = (instruction >> 8) & 0x7;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


01100010,VVVVVVVV,Q,s:I8:16::SWRASP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int offset = (instruction >> 0) & 0xff;
  signed_word op2 = 31;
  signed_word op1 = 29;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 2;
    }
  op2 = GPR[op2];
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 3) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int byte;
	    paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
	    byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
	    memval = ((unsigned64) op2 << (8 * byte));
	    {
	      StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


01111,xxx,yyy,DDDDD:RRI:16::SD
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = op2;
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


11111001,yyy,5.RD,s:RI64:16::SDSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op2 = (instruction >> 5) & 0x7;
  int offset = (instruction >> 0) & 0x1f;
  signed_word op1 = 29;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = op2;
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


11111010,CCCCCCCC,s,Q:I64:16::SDRASP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  signed_word op2 = 31;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      offset <<= 3;
    }
  op1 = GPR[op1];
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 7) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval = op2;
	    {
	      StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}


// ALU Immediate Instructions


01101,ddd,UUUUUUUU,Z:RI:16::LI
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  signed_word op1 = 0;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if (destreg != 0)
      GPR[destreg] = (op1 | op2);
  }
}


01000,xxx,ddd,04444:RRI_A:16::ADDIU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int op2 = (instruction >> 0) & 0xf;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0);
      if (op2 >= 0x4000)
        op2 -= 0x8000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x8)
        op2 -= 0x10;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


01001,www,kkkkkkkk:RI:16::ADDIU8
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg;
  int op2 = (instruction >> 0) & 0xff;
  if (op1 < 2)
    op1 += 16;
  destreg = op1;
  op1 = GPR[op1];
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x80)
        op2 -= 0x100;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


01100011,KKKKKKKK,S:I8:16::ADJSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int op2 = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  int destreg;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x80)
        op2 -= 0x100;
      op2 <<= 3;
    }
  destreg = op1;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


00001,ddd,AAAAAAAA,P:RI:16::ADDIUPC
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      op2 <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


00000,ddd,AAAAAAAA,s:RI:16::ADDIUSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      op2 <<= 2;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


01000,xxx,ddd,14444:RRI_A:16::DADDIU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = (instruction >> 5) & 0x7;
  int op2 = (instruction >> 0) & 0xf;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0);
      if (op2 >= 0x4000)
        op2 -= 0x8000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x8)
        op2 -= 0x10;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11111101,www,jjjjj:RI64:16::DADDIU5
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 5) & 0x7;
  int destreg;
  int op2 = (instruction >> 0) & 0x1f;
  if (op1 < 2)
    op1 += 16;
  destreg = op1;
  op1 = GPR[op1];
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x10)
        op2 -= 0x20;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11111011,KKKKKKKK,S:I64:16::DADJSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int op2 = (instruction >> 0) & 0xff;
  signed_word op1 = 29;
  int destreg;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (op2 >= 0x80)
        op2 -= 0x100;
      op2 <<= 3;
    }
  destreg = op1;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11111110,ddd,EEEEE,P:RI64:16::DADDIUPC
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 5) & 0x7;
  int op2 = (instruction >> 0) & 0x1f;
  signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      op2 <<= 2;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11111111,ddd,EEEEE,s:RI64:16::DADDIUSP
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 5) & 0x7;
  int op2 = (instruction >> 0) & 0x1f;
  signed_word op1 = 29;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      op2 <<= 2;
    }
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


01010,xxx,88888888,T:RI:16::SLTI
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if ((word64)op1 < (word64)op2)
      GPR[destreg] = 1;
    else
      GPR[destreg] = 0;
  }
}


01011,xxx,88888888,T:RI:16::SLTIU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (op2 >= 0x8000)
        op2 -= 0x10000;
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if ((unsigned64)op1 < (unsigned64)op2)
      GPR[destreg] = 1;
    else
      GPR[destreg] = 0;
  }
}


11101,xxx,yyy,01010,T:RR:16::CMP
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = (op1 ^ op2);
  }
}


01110,xxx,UUUUUUUU,T:RI:16::CMPI
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int op2 = (instruction >> 0) & 0xff;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    {
      op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      have_extendval = 0;
    }
  else
    {
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = (op1 ^ op2);
  }
}


// Two/Three Operand, Register-Type


11100,xxx,yyy,ddd,01:RRR:16::ADDU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = (instruction >> 2) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 + op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


11100,xxx,yyy,ddd,11:RRR:16::SUBU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = (instruction >> 2) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 - op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


11100,xxx,yyy,ddd,00:RRR:16::DADDU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = (instruction >> 2) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 + op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11100,xxx,yyy,ddd,10:RRR:16::DSUBU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = (instruction >> 2) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 temp = (unsigned64)(op1 - op2);
    word64 tempS = (word64)temp;
    GPR[destreg] = (unsigned64)temp;
  }
}


11101,xxx,yyy,00010,T:RR:16::SLT
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if ((word64)op1 < (word64)op2)
      GPR[destreg] = 1;
    else
      GPR[destreg] = 0;
  }
}


11101,xxx,yyy,00011,T:RR:16::SLTU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg = 24;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if ((unsigned64)op1 < (unsigned64)op2)
      GPR[destreg] = 1;
    else
      GPR[destreg] = 0;
  }
}


11101,ddd,yyy,01011,Z:RR:16::NEG
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  signed_word op1 = 0;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int temp = (unsigned int)(op1 - op2);
    signed int tempS = (signed int)temp;
    GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
  }
}


11101,www,yyy,01100:RR:16::AND
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  destreg = op1;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = (op1 & op2);
  }
}


11101,www,yyy,01101:RR:16::OR
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  destreg = op1;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if (destreg != 0)
      GPR[destreg] = (op1 | op2);
  }
}


11101,www,yyy,01110:RR:16::XOR
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  destreg = op1;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = (op1 ^ op2);
  }
}


11101,ddd,yyy,01111,Z:RR:16::NOT
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  signed_word op1 = 0;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if (destreg != 0)
      GPR[destreg] = ~(op1 | op2);
  }
}


01100111,ddd,XXXXX,z:I8_MOVR32:16::MOVR32
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 5) & 0x7;
  signed_word op1 = (instruction >> 0) & 0x1f;
  signed_word op2 = 0;
  if (destreg < 2)
    destreg += 16;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if (destreg != 0)
      GPR[destreg] = (op1 | op2);
  }
}


01100101,YYYYY,xxx,z:I8_MOV32R:16::MOV32R
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 3) & 0x1f;
  signed_word op1 = (instruction >> 0) & 0x7;
  signed_word op2 = 0;
  destreg = (destreg >> 2) | ((destreg & 3) << 3);
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    if (destreg != 0)
      GPR[destreg] = (op1 | op2);
  }
}


00110,ddd,yyy,sss,00:ISHIFT:16::SLL
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int op1 = (instruction >> 2) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      op1 = (extendval >> 6) & 0x1f;
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = ((unsigned64)op2 << op1);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


00110,ddd,yyy,sss,10:ISHIFT:16::SRL
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int op1 = (instruction >> 2) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      op1 = (extendval >> 6) & 0x1f;
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


00110,ddd,yyy,sss,11:ISHIFT:16::SRA
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int op1 = (instruction >> 2) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      op1 = (extendval >> 6) & 0x1f;
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int highbit = (unsigned int)1 << 31;
    GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
    GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


11101,xxx,vvv,00100:RR:16::SLLV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    op1 &= 0x1F;
    GPR[destreg] = ((unsigned64)op2 << op1);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


11101,xxx,vvv,00110:RR:16::SRLV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    op1 &= 0x1F;
    GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


11101,xxx,vvv,00111:RR:16::SRAV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned int highbit = (unsigned int)1 << 31;
    op1 &= 0x1F;
    GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
    GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0);
    GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
  }
}


00110,ddd,yyy,[[[,01:ISHIFT:16::DSLL
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int op1 = (instruction >> 2) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    {
      op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = ((unsigned64)op2 << op1);
  }
}
  
  
11101,XXX,vvv,01000:RR:16::DSRL
*mips16:
{
  unsigned32 instruction = instruction_0;
  int op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (have_extendval)
    {
      op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = ((unsigned64)(op2) >> op1);
  }
}


11101,xxx,vvv,10011:RR:16::DSRA
*mips16:
{
  unsigned32 instruction = instruction_0;
  int op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (have_extendval)
    {
      op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
      have_extendval = 0;
    }
  else
    {
      if (op1 == 0)
        op1 = 8;
    }
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 highbit = (unsigned64)1 << 63;
    GPR[destreg] = ((unsigned64)(op2) >> op1);
    GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0);
  }
}


11101,xxx,vvv,10100:RR:16::DSLLV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    op1 &= 0x3F;
    GPR[destreg] = ((unsigned64)op2 << op1);
  }
}


11101,xxx,vvv,10110:RR:16::DSRLV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    op1 &= 0x3F;
    GPR[destreg] = ((unsigned64)(op2) >> op1);
  }
}


11101,xxx,vvv,10111:RR:16::DSRAV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  int destreg;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  destreg = op2;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    unsigned64 highbit = (unsigned64)1 << 63;
    op1 &= 0x3F;
    GPR[destreg] = ((unsigned64)(op2) >> op1);
    GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0);
  }
}


// Multiply /Divide Instructions


11101,xxx,yyy,11000:RR:16::MULT
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 temp = ((word64) op1 * (word64) op2);
      LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
      HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
    }
  }
}


11101,xxx,yyy,11001:RR:16::MULTU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 temp = ((unsigned64)(op1 & 0xffffffff) * (unsigned64)(op2 & 0xffffffff));
      LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
      HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
    }
  }
}


11101,xxx,yyy,11010:RR:16::DIV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Division");
    {
      int d1 = op1;
      int d2 = op2;
      if (d2 == 0)
	{
	  LO = SIGNEXTEND(0x80000000,32);
	  HI = SIGNEXTEND(0,32);
	}
      else if (d2 == -1 && d1 == 0x80000000)
	{
	  LO = SIGNEXTEND(0x80000000,32);
	  HI = SIGNEXTEND(0,32);
	}
      else
	{
	  LO = SIGNEXTEND((d1 / d2),32);
	  HI = SIGNEXTEND((d1 % d2),32);
	}
    }
  }
}


11101,xxx,yyy,11011:RR:16::DIVU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Division");
    {
      unsigned int d1 = op1;
      unsigned int d2 = op2;
      if (d2 == 0)
	{
	  LO = SIGNEXTEND(0x80000000,32);
	  HI = SIGNEXTEND(0,32);
	}
      else if (d2 == -1 && d1 == 0x80000000)
	{
	  LO = SIGNEXTEND(0x80000000,32);
	  HI = SIGNEXTEND(0,32);
	}
      else
	{
	  LO = SIGNEXTEND((d1 / d2),32);
	  HI = SIGNEXTEND((d1 % d2),32);
	}
    }
  }
}


11101,ddd,00010000:RR:16::MFHI
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = HI;
    HIACCESS = 3; /* 3rd instruction will be safe */
  }
}


11101,ddd,00010010:RR:16::MFLO
*mips16:
{
  unsigned32 instruction = instruction_0;
  int destreg = (instruction >> 8) & 0x7;
  if (destreg < 2)
    destreg += 16;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = LO;
    LOACCESS = 3; /* 3rd instruction will be safe */
  }
}


11101,xxx,yyy,11100:RR:16::DMULT
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 mid;
      unsigned64 midhi;
      unsigned64 temp;
      int sign = 0;
      if (op1 < 0) { op1 = - op1; ++sign; }
      if (op2 < 0) { op2 = - op2; ++sign; }
      LO = ((unsigned64)VL4_8(op1) * VL4_8(op2));
      HI = ((unsigned64)VH4_8(op1) * VH4_8(op2));
      mid = ((unsigned64)VH4_8(op1) * VL4_8(op2));
      midhi = SET64HI(VL4_8(mid));
      temp = (LO + midhi);
      if ((temp == midhi) ? (LO != 0) : (temp < midhi))
	HI += 1;
      HI += VH4_8(mid);
      mid = ((unsigned64)VL4_8(op1) * VH4_8(op2));
      midhi = SET64HI(VL4_8(mid));
      LO = (temp + midhi);
      if ((LO == midhi) ? (temp != 0) : (LO < midhi))
	HI += 1;
      HI += VH4_8(mid);
      if (sign & 1) { LO = - LO; HI = (LO == 0 ? 0 : -1) - HI; }
    }
  }
}


11101,xxx,yyy,11101:RR:16::DMULTU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 mid;
      unsigned64 midhi;
      unsigned64 temp;
      LO = ((unsigned64)VL4_8(op1) * VL4_8(op2));
      HI = ((unsigned64)VH4_8(op1) * VH4_8(op2));
      mid = ((unsigned64)VH4_8(op1) * VL4_8(op2));
      midhi = SET64HI(VL4_8(mid));
      temp = (LO + midhi);
      if ((temp == midhi) ? (LO != 0) : (temp < midhi))
	HI += 1;
      HI += VH4_8(mid);
      mid = ((unsigned64)VL4_8(op1) * VH4_8(op2));
      midhi = SET64HI(VL4_8(mid));
      LO = (temp + midhi);
      if ((LO == midhi) ? (temp != 0) : (LO < midhi))
	HI += 1;
      HI += VH4_8(mid);
    }
  }
}


11101,xxx,yyy,11110:RR:16::DDIV
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Division");
    {
      word64 d1 = op1;
      word64 d2 = op2;
      if (d2 == 0)
	{
	  LO = SIGNED64 (0x8000000000000000);
	  HI = 0;
	}
      else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000))
	{
	  LO = SIGNED64 (0x8000000000000000);
	  HI = 0;
	}
      else
	{
	  LO = (d1 / d2);
	  HI = (d1 % d2);
	}
    }
  }
}


11101,xxx,yyy,11111:RR:16::DDIVU
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  signed_word op2 = (instruction >> 5) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (op2 < 2)
    op2 += 16;
  op2 = GPR[op2];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    CHECKHILO("Division");
    {
      unsigned64 d1 = op1;
      unsigned64 d2 = op2;
      if (d2 == 0)
	{
	  LO = SIGNED64 (0x8000000000000000);
	  HI = 0;
	}
      else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000))
	{
	  LO = SIGNED64 (0x8000000000000000);
	  HI = 0;
	}
      else
	{
	  LO = (d1 / d2);
	  HI = (d1 % d2);
	}
    }
  }
}


// Jump and Branch Instructions


// JALX
// JAL
00011,aaaaaaaaaaa:I:16::JAL
*mips16:
{
  unsigned32 instruction = instruction_0;
  unsigned_word op1 = (instruction >> 0) & 0x7ff;
  {
    unsigned64 paddr;
    int uncached;
    if (AddressTranslation (PC &~ (unsigned64) 1, isINSTRUCTION, isLOAD, &paddr, &uncached, isTARGET, isREAL))
      {
        unsigned64 memval;
        unsigned int reverse = (ReverseEndian ? 3 : 0);
        unsigned int bigend = (BigEndianCPU ? 3 : 0);
        unsigned int byte;
        paddr = ((paddr & ~0x7) | ((paddr & 0x7) ^ (reverse << 1)));
        LoadMemory (&memval,0,uncached, AccessLength_HALFWORD, paddr, PC, isINSTRUCTION, isREAL);
        byte = (((PC &~ (unsigned64) 1) & 0x7) ^ (bigend << 1));
        memval = (memval >> (8 * byte)) & 0xffff;
        op1 = (((op1 & 0x1f) << 23)
	       | ((op1 & 0x3e0) << 13)
	       | (memval << 2));
        if ((instruction & 0x400) == 0)
          op1 |= 1;
        PC += 2;
      }
  }
  op1 |= PC & ~ (unsigned64) 0x0fffffff;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int destreg = 31;
    GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */
    /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
       so we just truncate it to 32 bits here.  */
    op1 = VL4_8(op1);
    /* NOTE: The jump occurs AFTER the next instruction has been executed */
    DSPC = op1;
    JALDELAYSLOT();
  }
}


11101,xxx,00000000:RR:16::JR
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
       so we just truncate it to 32 bits here.  */
    op1 = VL4_8(op1);
    /* NOTE: The jump occurs AFTER the next instruction has been executed */
    DSPC = op1;
    DELAYSLOT();
  }
}


1110100000100000,r:RR:16::JRRA
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = 31;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
       so we just truncate it to 32 bits here.  */
    op1 = VL4_8(op1);
    /* NOTE: The jump occurs AFTER the next instruction has been executed */
    DSPC = op1;
    DELAYSLOT();
  }
}


11101,xxx,01000000,R:RR:16::JALR
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int destreg = 31;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */
    /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
       so we just truncate it to 32 bits here.  */
    op1 = VL4_8(op1);
    /* NOTE: The jump occurs AFTER the next instruction has been executed */
    DSPC = op1;
    DELAYSLOT();
  }
}


00100,xxx,pppppppp,z:RI:16::BEQZ
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int offset = (instruction >> 0) & 0xff;
  signed_word op2 = 0;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (offset >= 0x80)
        offset -= 0x100;
    }
  offset *= 2;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int condition = (op1 == op2);
    if (condition)
      PC = PC + offset;
  }
}


00101,xxx,pppppppp,z:RI:16::BNEZ
*mips16:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = (instruction >> 8) & 0x7;
  int offset = (instruction >> 0) & 0xff;
  signed_word op2 = 0;
  if (op1 < 2)
    op1 += 16;
  op1 = GPR[op1];
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (offset >= 0x80)
        offset -= 0x100;
    }
  offset *= 2;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int condition = (op1 != op2);
    if (condition)
      PC = PC + offset;
  }
}


01100000,pppppppp,t,z:I8:16::BTEQZ
*mips16:
{
  unsigned32 instruction = instruction_0;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = 24;
  signed_word op2 = 0;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (offset >= 0x80)
        offset -= 0x100;
    }
  offset *= 2;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int condition = (op1 == op2);
    if (condition)
      PC = PC + offset;
  }
}


01100001,pppppppp,t,z:I8:16::BTNEZ
*mips16:
{
  unsigned32 instruction = instruction_0;
  int offset = (instruction >> 0) & 0xff;
  signed_word op1 = 24;
  signed_word op2 = 0;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (offset >= 0x80)
        offset -= 0x100;
    }
  offset *= 2;
  op1 = GPR[op1];
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int condition = (op1 != op2);
    if (condition)
      PC = PC + offset;
  }
}


00010,qqqqqqqqqqq,z,Z:I:16::B
*mips16:
{
  unsigned32 instruction = instruction_0;
  int offset = (instruction >> 0) & 0x7ff;
  signed_word op2 = 0;
  signed_word op1 = 0;
  if (have_extendval)
    {
      offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
      if (offset >= 0x8000)
        offset -= 0x10000;
      have_extendval = 0;
    }
  else
    {
      if (offset >= 0x400)
        offset -= 0x800;
    }
  offset *= 2;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    int condition = (op1 == op2);
    if (condition)
      PC = PC + offset;
  }
}


// Special Instructions


// See the front of the mips16 doc
11110,eeeeeeeeeee:I:16::EXTEND
*mips16:
{
  unsigned32 instruction = instruction_0;
  int ext = (instruction >> 0) & 0x7ff;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    extendval = ext;
    have_extendval = 1;
  }
}


01100,******,00101:RR:16::BREAK
*mips16:
{
  unsigned32 instruction = instruction_0;
  if (have_extendval)
    SignalException (ReservedInstruction, instruction);
  {
    SignalException(BreakPoint,instruction);
  }
}


// start-sanitize-r5900

// FIXME: The instructions below which are typically r5900 specific
//        need to be merged back into the above.

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,0000000000011010:MMINORM:32::DIV1
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    CHECKHILO("Division");
    {
      int d1 = op1;
      int d2 = op2;
      if (d2 == 0)
	{
	  LO1 = SIGNEXTEND(0x80000000,32);
	  HI1 = SIGNEXTEND(0,32);
	}
      else if (d2 == -1 && d1 == 0x80000000)
	{
	  LO1 = SIGNEXTEND(0x80000000,32);
	  HI1 = SIGNEXTEND(0,32);
	}
      else
	{
	  LO1 = SIGNEXTEND((d1 / d2),32);
	  HI1 = SIGNEXTEND((d1 % d2),32);
	}
    }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,0000000000011011:MMINORM:32::DIVU1
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    CHECKHILO("Division");
    {
      unsigned int d1 = op1;
      unsigned int d2 = op2;
      if (d2 == 0)
	{
	  LO1 = SIGNEXTEND(0x80000000,32);
	  HI1 = SIGNEXTEND(0,32);
	}
      else if (d2 == -1 && d1 == 0x80000000)
	{
	  LO1 = SIGNEXTEND(0x80000000,32);
	  HI1 = SIGNEXTEND(0,32);
	}
      else
	{
	  LO1 = SIGNEXTEND((d1 / d2),32);
	  HI1 = SIGNEXTEND((d1 % d2),32);
	}
    }
  }
}

// end-sanitize-r5900

011101,26.INSTR_INDEX:NORMAL:32::JALX
// start-sanitize-r5900
*r5900:
// end-sanitize-r5900
*r3900:
// start-sanitize-tx19
*tx19:
// end-sanitize-tx19
{
  unsigned32 instruction = instruction_0;
  unsigned_word op1 = (((instruction >> 0) & 0x03FFFFFF) << 2);
  op1 |= (PC & ~0x0FFFFFFF); /* address of instruction in delay slot for the jump */
  {
    int destreg = 31;
    GPR[destreg] = (PC + 4); /* NOTE: The PC is already 4 ahead within the simulator */
    op1 ^= 1;
    /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
       so we just truncate it to 32 bits here.  */
    op1 = VL4_8(op1);
    /* NOTE: The jump occurs AFTER the next instruction has been executed */
    DSPC = op1;
    /* JALDELAYSLOT(); FIXME */
  }
}

// start-sanitize-r5900

011110,5.RS,5.RT,16.OFFSET:NORMAL:128::LQ
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  int destreg = ((instruction >> 16) & 0x0000001F);
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 15) != 0)
      SignalExceptionAddressLoad();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    unsigned64 mask = 0x7;
	    unsigned int shift = 8;
	    unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
	    unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
	    unsigned int byte;
	    LoadMemory(&memval,&memval1,uncached,AccessLength_QUADWORD,paddr,vaddr,isDATA,isREAL);
	    GPR[destreg] = memval;
	    GPR1[destreg] = memval1;
	  }
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000000000:MMINORM:32::MADD
*r5900:
*r3900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    word64 prod = (word64)WORD64(VL4_8(HI),VL4_8(LO)) + ((word64)SIGNEXTEND(op1,32) * (word64)SIGNEXTEND(op2,32));
    LO = SIGNEXTEND(prod,32);
    HI = SIGNEXTEND( VH4_8(prod), 32);
    if( destreg != 0 ) GPR[destreg] = LO;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000000001:MMINORM:32::MADDU
*r5900:
*r3900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 prod = (unsigned64)WORD64(VL4_8(HI),VL4_8(LO)) + ((unsigned64)VL4_8(op1) * (unsigned64)VL4_8(op2));
    LO = SIGNEXTEND(prod,32);
    HI = SIGNEXTEND( VH4_8(prod), 32);
    if( destreg != 0 ) GPR[destreg] = LO;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000100000:MMINORM:32::MADD1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    word64 prod = (word64)WORD64(VL4_8(HI1),VL4_8(LO1)) + ((word64)SIGNEXTEND(op1,32) * (word64)SIGNEXTEND(op2,32));
    LO1 = SIGNEXTEND(prod,32);
    HI1 = SIGNEXTEND( VH4_8(prod), 32);
    if( destreg != 0 ) GPR[destreg] = LO1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000100001:MMINORM:32::MADDU1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    unsigned64 prod = (unsigned64)WORD64(VL4_8(HI1),VL4_8(LO1)) + ((unsigned64)VL4_8(op1) * (unsigned64)VL4_8(op2));
    LO1 = SIGNEXTEND(prod,32);
    HI1 = SIGNEXTEND( VH4_8(prod), 32);
    if( destreg != 0 ) GPR[destreg] = LO1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0111000000000000,5.RD,00000010000:MMINORM:32::MFHI1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    GPR[destreg] = HI1;
    HI1ACCESS = 3; /* 3rd instruction will be safe */
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0111000000000000,5.RD,00000010010:MMINORM:32::MFLO1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    GPR[destreg] = LO1;
    LO1ACCESS = 3; /* 3rd instruction will be safe */
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0000000000000000,5.RD,00000101000:SPECIAL:32::MFSA
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    GPR[destreg] = SA;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,000000000000000010001:MMINORM:32::MTHI1
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    if (HI1ACCESS != 0)
      sim_io_error(sd,"MT (move-to) over-writing HI register value\n");
    HI1 = op1;
    HI1ACCESS = 3; /* 3rd instruction will be safe */
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,000000000000000010011:MMINORM:32::MTLO1
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    if (LO1ACCESS != 0)
      sim_io_error(sd,"MT (move-to) over-writing LO register value");
    LO1 = op1;
    LO1ACCESS = 3; /* 3rd instruction will be safe */
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

000000,5.RS,000000000000000101001:SPECIAL:32::MTSA
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    SA = op1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

000001,5.RS,11000,16.IMMEDIATE:REGIMM:32::MTSAB
*r5900:
{
  SA = ((GPR[RA] & 0xF) ^ (IMMEDIATE & 0xF)) * 8;
}

// end-sanitize-r5900
// start-sanitize-r5900

000001,5.RS,11001,16.IMMEDIATE:REGIMM:32::MTSAH
*r5900:
{
  SA = ((GPR[RS] & 0x7) ^ (IMMEDIATE & 0x7)) * 16;
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000011000:MMINORM:32::MULT1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 temp = ((word64) op1 * (word64) op2);
      LO1 = SIGNEXTEND((unsigned64)VL4_8(temp),32);
      HI1 = SIGNEXTEND((unsigned64)VH4_8(temp),32);
      if ( destreg != 0 )
	GPR[destreg] = LO1;
    }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000011001:MMINORM:32::MULTU1
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  {
    CHECKHILO("Multiplication");
    {
      unsigned64 temp = ((unsigned64)(op1 & 0xffffffff) * (unsigned64)(op2 & 0xffffffff));
      LO1 = SIGNEXTEND((unsigned64)VL4_8(temp),32);
      HI1 = SIGNEXTEND((unsigned64)VH4_8(temp),32);
      if ( destreg != 0 )
	GPR[destreg] = LO1;
    }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,00101101000:MMI1:32::PABSH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      {
	if (RT_SH(i) >= 0)
	  GPR_SH(destreg,i) =  RT_SH(i);
	else if (RT_SH(i) == -32768)
	  GPR_SH(destreg,i) = 32767;
	else
	  GPR_SH(destreg,i) = -RT_SH(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,00001101000:MMI1:32::PABSW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	if (RT_SW(i) >= 0)
	  GPR_SW(destreg,i) =  RT_SW(i);
	else if (RT_SW(i) == (int)0x80000000)
	  GPR_SW(destreg,i) = (int)0x7FFFFFFF;
	else
	  GPR_SW(destreg,i) = -RT_SW(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01000001000:MMI0:32::PADDB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	int s = RS_SB(i);
	int t = RT_SB(i);
	int r = s + t;
	GPR_SB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00100001000:MMI0:32::PADDH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	int s = RS_SH(i);
	int t = RT_SH(i);
	int r = s + t;
	GPR_SH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000001000:MMI0:32::PADDW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	signed64 s = RS_SW(i);
	signed64 t = RT_SW(i);
	signed64 r = s + t;
	GPR_SW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11000001000:MMI0:32::PADDSB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	int s = RS_SB(i);
	int t = RT_SB(i);
	int r = s + t;
	if (r > 127)
	  GPR_SB(destreg,i) = 127;
	else if (r < -128)
	  GPR_SB(destreg,i) = -128;
	else
	  GPR_SB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10100001000:MMI0:32::PADDSH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	int s = RS_SH(i);
	int t = RT_SH(i);
	int r = s + t;
	if (r > 32767)
	  GPR_SH(destreg,i) = 32767;
	else if (r < -32768)
	  GPR_SH(destreg,i) = -32768;
	else
	  GPR_SH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10000001000:MMI0:32::PADDSW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	signed64 s = RS_SW(i);
	signed64 t = RT_SW(i);
	signed64 r = s + t;
	if (r > (int)0x7FFFFFFF)
	  GPR_SW(destreg,i) = (int)0x7FFFFFFF;
	else if (r < (int)0x80000000)
	  GPR_SW(destreg,i) = (int)0x80000000;
	else
	  GPR_SW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11000101000:MMI1:32::PADDUB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	unsigned int s = RS_UB(i);
	unsigned int t = RT_UB(i);
	unsigned int r = s + t;
	if (r > 0xFF)
	  GPR_UB(destreg,i) = 0xFF;
	else
	  GPR_UB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10100101000:MMI1:32::PADDUH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	unsigned int s = RS_UH(i);
	unsigned int t = RT_UH(i);
	unsigned int r = s + t;
	if (r > 0xFFFF)
	  GPR_UH(destreg,i) = 0xFFFF;
	else
	  GPR_UH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10000101000:MMI1:32::PADDUW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	unsigned64 s = RS_UW(i);
	unsigned64 t = RT_UW(i);
	unsigned64 r = s + t;
	if (r > 0xFFFFFFFF)
	  GPR_UW(destreg,i) = 0xFFFFFFFF;
	else
	  GPR_UW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00100101000:MMI1:32::PADSBH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS/2;i++)
      GPR_SH(destreg,i) = RS_SH(i) - RT_SH(i);
    for(;i<HALFWORDS_IN_MMI_REGS;i++)
      GPR_SH(destreg,i) = RS_SH(i) + RT_SH(i);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10010001001:MMI2:32::PAND
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = (RS_UW(i) & RT_UW(i));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01010101000:MMI1:32::PCEQB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<BYTES_IN_MMI_REGS;i++)
      {
	if (RS_SB(i) == RT_SB(i)) GPR_SB(destreg,i) = 0xFF;
	else                        GPR_SB(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00110101000:MMI1:32::PCEQH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      {
	if (RS_SH(i) == RT_SH(i)) GPR_SH(destreg,i) = 0xFFFF;
	else                        GPR_SH(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00010101000:MMI1:32::PCEQW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	if (RS_SW(i) == RT_SW(i)) GPR_SW(destreg,i) = 0xFFFFFFFF;
	else                        GPR_SW(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01010001000:MMI0:32::PCGTB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<BYTES_IN_MMI_REGS;i++)
      {
	if (RS_SB(i) > RT_SB(i)) GPR_SB(destreg,i) = 0xFF;
	else                        GPR_SB(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00110001000:MMI0:32::PCGTH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      {
	if (RS_SH(i) > RT_SH(i)) GPR_SH(destreg,i) = 0xFFFF;
	else                        GPR_SH(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00010001000:MMI0:32::PCGTW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	if (RS_SW(i) > RT_SW(i)) GPR_SW(destreg,i) = 0xFFFFFFFF;
	else                        GPR_SW(destreg,i) = 0;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11011101001:MMI3:32::PCPYH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,7) = GPR_UH(destreg,6) = GPR_UH(destreg,5) = GPR_UH(destreg,4) = RT_UH(4);
    GPR_UH(destreg,3) = GPR_UH(destreg,2) = GPR_UH(destreg,1) = GPR_UH(destreg,0) = RT_UH(0);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01110001001:MMI2:32::PCPYLD
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UD(destreg,0) = RT_UD(0);
    GPR_UD(destreg,1) = RS_UD(0);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01110101001:MMI3:32::PCPYUD
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UD(destreg,0) = RS_UD(1);
    GPR_UD(destreg,1) = RT_UD(1);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,0000011101001001:MMI2:32::PDIVBW
*r5900:
{
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    signed32 devisor = RT_SH(0);
    if (devisor == -1)
      {
	LO_SW(0) = -RS_SW(0);
	HI_SW(0) = 0;
	LO_SW(1) = -RS_SW(1);
	HI_SW(1) = 0;
	LO_SW(2) = -RS_SW(2);
	HI_SW(2) = 0;
	LO_SW(3) = -RS_SW(3);
	HI_SW(3) = 0;
      }
    else if (devisor != 0)
      {
	LO_SW(0) = RS_SW(0) / devisor;
	HI_SW(0) = SIGNEXTEND( (RS_SW(0) % devisor), 16 );
	LO_SW(1) = RS_SW(1) / devisor;
	HI_SW(1) = SIGNEXTEND( (RS_SW(1) % devisor), 16 );
	LO_SW(2) = RS_SW(2) / devisor;
	HI_SW(2) = SIGNEXTEND( (RS_SW(2) % devisor), 16 );
	LO_SW(3) = RS_SW(3) / devisor;
	HI_SW(3) = SIGNEXTEND( (RS_SW(3) % devisor), 16 );
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,0000001101101001:MMI3:32::PDIVUW
*r5900:
{
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    if (RT_UW(0) != 0)
      {
	LO  = (signed32)(RS_UW(0) / RT_UW(0));
	HI  = (signed32)(RS_UW(0) % RT_UW(0));
      }
    if (RT_UW(2) != 0)
      {
	LO1 = (signed32)(RS_UW(2) / RT_UW(2));
	HI1 = (signed32)(RS_UW(2) % RT_UW(2));
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,0000001101001001:MMI2:32::PDIVW
*r5900:
{
  signed_word rs_reg = GPR[RS];
  signed_word rs_reg1 = GPR1[RS];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    if (RT_SW(0) == -1)
      {
	LO  = -RS_SW(0);
	HI  = 0;
      }
    else if (RT_UW(0) != 0)
      {
	LO  = (signed32)(RS_SW(0) / RT_SW(0));
	HI  = (signed32)(RS_SW(0) % RT_SW(0));
      }
    if (RT_SW(2) == -1)
      {
	LO1 = -RS_SW(2);
	HI1 = 0;
      }
    else if (RT_UW(2) != 0)
      {
	LO1 = (signed32)(RS_SW(2) / RT_SW(2));
	HI1 = (signed32)(RS_SW(2) % RT_SW(2));
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11010101001:MMI3:32::PEXCH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0) = RT_UH(0);
    GPR_UH(destreg,1) = RT_UH(2);
    GPR_UH(destreg,2) = RT_UH(1);
    GPR_UH(destreg,3) = RT_UH(3);
    GPR_UH(destreg,4) = RT_UH(4);
    GPR_UH(destreg,5) = RT_UH(6);
    GPR_UH(destreg,6) = RT_UH(5);
    GPR_UH(destreg,7) = RT_UH(7);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11110101001:MMI3:32::PEXCW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0) = RT_UW(0);
    GPR_UW(destreg,1) = RT_UW(2);
    GPR_UW(destreg,2) = RT_UW(1);
    GPR_UW(destreg,3) = RT_UW(3);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11010001001:MMI2:32::PEXOH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0) = RT_UH(2);
    GPR_UH(destreg,1) = RT_UH(1);
    GPR_UH(destreg,2) = RT_UH(0);
    GPR_UH(destreg,3) = RT_UH(3);
    GPR_UH(destreg,4) = RT_UH(6);
    GPR_UH(destreg,5) = RT_UH(5);
    GPR_UH(destreg,6) = RT_UH(4);
    GPR_UH(destreg,7) = RT_UH(7);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11110001001:MMI2:32::PEXOW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0) = RT_UW(2);
    GPR_UW(destreg,1) = RT_UW(1);
    GPR_UW(destreg,2) = RT_UW(0);
    GPR_UW(destreg,3) = RT_UW(3);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11110001000:MMI0:32::PEXT5
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	unsigned32 x = RT_UW(i);
	GPR_UW(destreg,i) = ((x & (1  << 15)) << (31 - 15))  
	  | ((x & (31 << 10)) << (19 - 10))  
	  | ((x & (31 << 5))  << (11 - 5))   
	  | ((x & (31 << 0))  << (3  - 0));  
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11010001000:MMI0:32::PEXTLB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UB(destreg,0)  = RT_UB(0);
    GPR_UB(destreg,1)  = RS_UB(0);
    GPR_UB(destreg,2)  = RT_UB(1);
    GPR_UB(destreg,3)  = RS_UB(1);
    GPR_UB(destreg,4)  = RT_UB(2);
    GPR_UB(destreg,5)  = RS_UB(2);
    GPR_UB(destreg,6)  = RT_UB(3);
    GPR_UB(destreg,7)  = RS_UB(3);
    GPR_UB(destreg,8)  = RT_UB(4);
    GPR_UB(destreg,9)  = RS_UB(4);
    GPR_UB(destreg,10) = RT_UB(5);
    GPR_UB(destreg,11) = RS_UB(5);
    GPR_UB(destreg,12) = RT_UB(6);
    GPR_UB(destreg,13) = RS_UB(6);
    GPR_UB(destreg,14) = RT_UB(7);
    GPR_UB(destreg,15) = RS_UB(7);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10110001000:MMI0:32::PEXTLH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0)  = RT_UH(0);
    GPR_UH(destreg,1)  = RS_UH(0);
    GPR_UH(destreg,2)  = RT_UH(1);
    GPR_UH(destreg,3)  = RS_UH(1);
    GPR_UH(destreg,4)  = RT_UH(2);
    GPR_UH(destreg,5)  = RS_UH(2);
    GPR_UH(destreg,6)  = RT_UH(3);
    GPR_UH(destreg,7)  = RS_UH(3);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10010001000:MMI0:32::PEXTLW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0)  = RT_UW(0);
    GPR_UW(destreg,1)  = RS_UW(0);
    GPR_UW(destreg,2)  = RT_UW(1);
    GPR_UW(destreg,3)  = RS_UW(1);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11010101000:MMI1:32::PEXTUB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UB(destreg,0)  = RT_UB(8);
    GPR_UB(destreg,1)  = RS_UB(8);
    GPR_UB(destreg,2)  = RT_UB(9);
    GPR_UB(destreg,3)  = RS_UB(9);
    GPR_UB(destreg,4)  = RT_UB(10);
    GPR_UB(destreg,5)  = RS_UB(10);
    GPR_UB(destreg,6)  = RT_UB(11);
    GPR_UB(destreg,7)  = RS_UB(11);
    GPR_UB(destreg,8)  = RT_UB(12);
    GPR_UB(destreg,9)  = RS_UB(12);
    GPR_UB(destreg,10) = RT_UB(13);
    GPR_UB(destreg,11) = RS_UB(13);
    GPR_UB(destreg,12) = RT_UB(14);
    GPR_UB(destreg,13) = RS_UB(14);
    GPR_UB(destreg,14) = RT_UB(15);
    GPR_UB(destreg,15) = RS_UB(15);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10110101000:MMI1:32::PEXTUH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0)  = RT_UH(4);
    GPR_UH(destreg,1)  = RS_UH(4);
    GPR_UH(destreg,2)  = RT_UH(5);
    GPR_UH(destreg,3)  = RS_UH(5);
    GPR_UH(destreg,4)  = RT_UH(6);
    GPR_UH(destreg,5)  = RS_UH(6);
    GPR_UH(destreg,6)  = RT_UH(7);
    GPR_UH(destreg,7)  = RS_UH(7);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10010101000:MMI1:32::PEXTUW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0)  = RT_UW(2);
    GPR_UW(destreg,1)  = RS_UW(2);
    GPR_UW(destreg,2)  = RT_UW(3);
    GPR_UW(destreg,3)  = RS_UW(3);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10001001001:MMI2:32::PHMADDH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(1) * RT_SH(1)) + (RS_SH(0) * RT_SH(0));
    GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(3) * RT_SH(3)) + (RS_SH(2) * RT_SH(2));
    GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(5) * RT_SH(5)) + (RS_SH(4) * RT_SH(4));
    GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(7) * RT_SH(7)) + (RS_SH(6) * RT_SH(6));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10101001001:MMI2:32::PHMSUBH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(1) * RT_SH(1)) - (RS_SH(0) * RT_SH(0));
    GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(3) * RT_SH(3)) - (RS_SH(2) * RT_SH(2));
    GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(5) * RT_SH(5)) - (RS_SH(4) * RT_SH(4));
    GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(7) * RT_SH(7)) - (RS_SH(6) * RT_SH(6));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01010001001:MMI2:32::PINTH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0)  = RT_UH(0);
    GPR_UH(destreg,1)  = RS_UH(4);
    GPR_UH(destreg,2)  = RT_UH(1);
    GPR_UH(destreg,3)  = RS_UH(5);
    GPR_UH(destreg,4)  = RT_UH(2);
    GPR_UH(destreg,5)  = RS_UH(6);
    GPR_UH(destreg,6)  = RT_UH(3);
    GPR_UH(destreg,7)  = RS_UH(7);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01010101001:MMI3:32::PINTOH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0) = RT_UH(0);
    GPR_UH(destreg,1) = RS_UH(0);
    GPR_UH(destreg,2) = RT_UH(2);
    GPR_UH(destreg,3) = RS_UH(2);
    GPR_UH(destreg,4) = RT_UH(4);
    GPR_UH(destreg,5) = RS_UH(4);
    GPR_UH(destreg,6) = RT_UH(6);
    GPR_UH(destreg,7) = RS_UH(6);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,00000,5.RD,00000000100:MMINORM:32::PLZCW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  {
    unsigned long value;
    int test;
    int count;
    int i;
    value = RS_UW(0);
    count = 0;
    test = !!(value & (1 << 31));
    for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)
      count++;
    GPR_UW(destreg,0) = count;
    value = RS_UW(1);
    count = 0;
    test = !!(value & (1 << 31));
    for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)
      count++;
    GPR_UW(destreg,1) = count;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10000001001:MMI2:32::PMADDH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SW(destreg,0) = LO_SW(0) += (RS_SH(0) * RT_SH(0));
    LO_SW(1) += (RS_SH(1) * RT_SH(1));
    GPR_SW(destreg,1) = HI_SW(0) += (RS_SH(2) * RT_SH(2));
    HI_SW(1) += (RS_SH(3) * RT_SH(3));
    GPR_SW(destreg,2) = LO_SW(2) += (RS_SH(4) * RT_SH(4));
    LO_SW(3) += (RS_SH(5) * RT_SH(5));
    GPR_SW(destreg,3) = HI_SW(2) += (RS_SH(6) * RT_SH(6));
    HI_SW(3) += (RS_SH(7) * RT_SH(7));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000101001:MMI3:32::PMADDUW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    unsigned64 sum0 = U8_4 (HI_SW(0), LO_SW(0));
    unsigned64 sum1 = U8_4 (HI_SW(2), LO_SW(2));
    unsigned64 prod0 = (unsigned64)RS_UW(0) * (unsigned64)RT_UW(0);
    unsigned64 prod1 = (unsigned64)RS_UW(2) * (unsigned64)RT_UW(2);
    sum0 += prod0;
    sum1 += prod1;
    GPR_UD(destreg,0) = sum0;
    GPR_UD(destreg,1) = sum1;
    LO  = SIGNEXTEND( sum0, 32 );
    HI  = SIGNEXTEND( VH4_8(sum0), 32 );
    LO1 = SIGNEXTEND( sum1, 32 );
    HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00000001001:MMI2:32::PMADDW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    signed64 sum0 = WORD64( HI_SW(0), LO_SW(0) );
    signed64 sum1 = WORD64( HI_SW(2), LO_SW(2) );
    signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
    signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
    sum0 += prod0;
    sum1 += prod1;
    GPR_SD(destreg,0) = sum0;
    GPR_SD(destreg,1) = sum1;
    LO  = SIGNEXTEND( sum0, 32 );
    HI  = SIGNEXTEND( VH4_8(sum0), 32 );
    LO1 = SIGNEXTEND( sum1, 32 );
    HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00111001000:MMI0:32::PMAXH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      {
	if (RS_SH(i) > RT_SH(i)) GPR_SH(destreg,i) = RS_SH(i);
	else                        GPR_SH(destreg,i) = RT_SH(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00011001000:MMI0:32::PMAXW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	if (RS_SW(i) > RT_SW(i)) GPR_SW(destreg,i) = RS_SW(i);
	else                        GPR_SW(destreg,i) = RT_SW(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0111000000000000,5.RD,01000001001:MMI2:32::PMFHI
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    GPR_SD(destreg,0) = HI;
    GPR_SD(destreg,1) = HI1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0111000000000000,5.RD,01001001001:MMI2:32::PMFLO
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    GPR_SD(destreg,0) = LO;
    GPR_SD(destreg,1) = LO1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

0111000000000000,5.RD,5.SHIFT,110000:MMINORM:32::PMFHL
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  {
    if (op1 == 0)
      {
	GPR_UW(destreg,0) = LO_UW(0);
	GPR_UW(destreg,1) = HI_UW(0);
	GPR_UW(destreg,2) = LO_UW(2);
	GPR_UW(destreg,3) = HI_UW(2);
      }
    else if (op1 == 1)
      {
	GPR_UW(destreg,0) = LO_UW(1);
	GPR_UW(destreg,1) = HI_UW(1);
	GPR_UW(destreg,2) = LO_UW(3);
	GPR_UW(destreg,3) = HI_UW(3);
      }
    else if (op1 == 2)
      {
	/* NOTE: This code implements a saturate according to the
           figure on page B-115 and not according to the
           definition on page B-113 */
	signed64 t = ((unsigned64)HI_UW(0) << 32) | (unsigned64)LO_UW(0);
	signed64 u = ((unsigned64)HI_UW(2) << 32) | (unsigned64)LO_UW(2);
	if ( t > SIGNED64 (0x000000007FFFFFFF) )
	  GPR_SD(destreg,0) = SIGNED64 (0x000000007FFFFFFF);
	else if ( t < - SIGNED64 (0x0000000080000000) )
	  GPR_SD(destreg,0) = - SIGNED64 (0x0000000080000000);
	else
	  GPR_SD(destreg,0) = t;
	if ( u > SIGNED64 (0x000000007FFFFFFF) )
	  GPR_SD(destreg,1) = SIGNED64 (0x000000007FFFFFFF);
	else if ( u < - SIGNED64 (0x0000000080000000) )
	  GPR_SD(destreg,1) = - SIGNED64 (0x0000000080000000);
	else
	  GPR_SD(destreg,1) = u;
      }
    else if (op1 == 3)
      {
	GPR_UH(destreg,0) = LO_UH(0);
	GPR_UH(destreg,1) = LO_UH(2);
	GPR_UH(destreg,2) = HI_UH(0);
	GPR_UH(destreg,3) = HI_UH(2);
	GPR_UH(destreg,4) = LO_UH(4);
	GPR_UH(destreg,5) = LO_UH(6);
	GPR_UH(destreg,6) = HI_UH(4);
	GPR_UH(destreg,7) = HI_UH(6);
      }
    else if (op1 == 4)
      {
	if (LO_SW(0) > 0x7FFF)
	  GPR_UH(destreg,0) = 0x7FFF;
	else if (LO_SW(0) < -0x8000)
	  GPR_UH(destreg,0) = 0x8000;
	else
	  GPR_UH(destreg,0) = LO_UH(0);
	if (LO_SW(1) > 0x7FFF)
	  GPR_UH(destreg,1) = 0x7FFF;
	else if (LO_SW(1) < -0x8000)
	  GPR_UH(destreg,1) = 0x8000;
	else
	  GPR_UH(destreg,1) = LO_UH(2);
	if (HI_SW(0) > 0x7FFF)
	  GPR_UH(destreg,2) = 0x7FFF;
	else if (HI_SW(0) < -0x8000)
	  GPR_UH(destreg,2) = 0x8000;
	else
	  GPR_UH(destreg,2) = HI_UH(0);
	if (HI_SW(1) > 0x7FFF)
	  GPR_UH(destreg,3) = 0x7FFF;
	else if (HI_SW(1) < -0x8000)
	  GPR_UH(destreg,3) = 0x8000;
	else
	  GPR_UH(destreg,3) = HI_UH(2);
	if (LO_SW(2) > 0x7FFF)
	  GPR_UH(destreg,4) = 0x7FFF;
	else if (LO_SW(2) < -0x8000)
	  GPR_UH(destreg,4) = 0x8000;
	else
	  GPR_UH(destreg,4) = LO_UH(4);
	if (LO_SW(3) > 0x7FFF)
	  GPR_UH(destreg,5) = 0x7FFF;
	else if (LO_SW(3) < -0x8000)
	  GPR_UH(destreg,5) = 0x8000;
	else
	  GPR_UH(destreg,5) = LO_UH(6);
	if (HI_SW(2) > 0x7FFF)
	  GPR_UH(destreg,6) = 0x7FFF;
	else if (HI_SW(2) < -0x8000)
	  GPR_UH(destreg,6) = 0x8000;
	else
	  GPR_UH(destreg,6) = HI_UH(4);
	if (HI_SW(3) > 0x7FFF)
	  GPR_UH(destreg,7) = 0x7FFF;
	else if (HI_SW(3) < -0x8000)
	  GPR_UH(destreg,7) = 0x8000;
	else
	  GPR_UH(destreg,7) = HI_UH(6);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00111101000:MMI1:32::PMINH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      {
	if (RS_SH(i) < RT_SH(i)) GPR_SH(destreg,i) = RS_SH(i);
	else                        GPR_SH(destreg,i) = RT_SH(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00011101000:MMI1:32::PMINW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	if (RS_SW(i) < RT_SW(i)) GPR_SW(destreg,i) = RS_SW(i);
	else                        GPR_SW(destreg,i) = RT_SW(i);
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10100001001:MMI2:32::PMSUBH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SW(destreg,0) = LO_SW(0) -= (RS_SH(0) * RT_SH(0));
    LO_SW(1) -= (RS_SH(1) * RT_SH(1));
    GPR_SW(destreg,1) = HI_SW(0) -= (RS_SH(2) * RT_SH(2));
    HI_SW(1) -= (RS_SH(3) * RT_SH(3));
    GPR_SW(destreg,2) = LO_SW(2) -= (RS_SH(4) * RT_SH(4));
    LO_SW(3) -= (RS_SH(5) * RT_SH(5));
    GPR_SW(destreg,3) = HI_SW(2) -= (RS_SH(6) * RT_SH(6));
    HI_SW(3) -= (RS_SH(7) * RT_SH(7));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00100001001:MMI2:32::PMSUBW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    signed64 sum0 = WORD64( HI_SW(0), LO_SW(0) );
    signed64 sum1 = WORD64( HI_SW(2), LO_SW(2) );
    signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
    signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
    sum0 -= prod0;
    sum1 -= prod1;
    GPR_SD(destreg,0) = sum0;
    GPR_SD(destreg,1) = sum1;
    LO  = SIGNEXTEND( sum0, 32 );
    HI  = SIGNEXTEND( VH4_8(sum0), 32 );
    LO1 = SIGNEXTEND( sum1, 32 );
    HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,000000000001000101001:MMI3:32::PMTHI
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  {
    HI  = RS_SD(0);
    HI1 = RS_SD(1);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,000000000001001101001:MMI3:32::PMTLO
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  {
    LO  = RS_SD(0);
    LO1 = RS_SD(1);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,000000000000000110001:MMINORM:32::PMTHL.LW
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  {
    LO_UW(0) = RS_UW(0);
    HI_UW(0) = RS_UW(1);
    LO_UW(2) = RS_UW(2);
    HI_UW(2) = RS_UW(3);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11100001001:MMI2:32::PMULTH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(0) * RT_SH(0));
    LO_SW(1) = (RS_SH(1) * RT_SH(1));
    GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(2) * RT_SH(2));
    HI_SW(1) = (RS_SH(3) * RT_SH(3));
    GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(4) * RT_SH(4));
    LO_SW(3) = (RS_SH(5) * RT_SH(5));
    GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(6) * RT_SH(6));
    HI_SW(3) = (RS_SH(7) * RT_SH(7));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01100101001:MMI3:32::PMULTUW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    unsigned64 sum0 = 0;
    unsigned64 sum1 = 0;
    unsigned64 prod0 = (unsigned64)RS_UW(0) * (unsigned64)RT_UW(0);
    unsigned64 prod1 = (unsigned64)RS_UW(2) * (unsigned64)RT_UW(2);
    sum0 = prod0;
    sum1 = prod1;
    GPR_UD(destreg,0) = sum0;
    GPR_UD(destreg,1) = sum1;
    LO  = SIGNEXTEND( sum0, 32 );
    HI  = SIGNEXTEND( VH4_8(sum0), 32 );
    LO1 = SIGNEXTEND( sum1, 32 );
    HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01100001001:MMI2:32::PMULTW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    signed64 sum0 = 0;
    signed64 sum1 = 0;
    signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
    signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
    sum0 = prod0;
    sum1 = prod1;
    GPR_SD(destreg,0) = sum0;
    GPR_SD(destreg,1) = sum1;
    LO  = SIGNEXTEND( sum0, 32 );
    HI  = SIGNEXTEND( VH4_8(sum0), 32 );
    LO1 = SIGNEXTEND( sum1, 32 );
    HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10011101001:MMI3:32::PNOR
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = ~(RS_UW(i) | RT_UW(i));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10010101001:MMI3:32::POR
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = (RS_UW(i) | RT_UW(i));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11111001000:MMI0:32::PPAC5
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      {
	unsigned32 x = RT_UW(i);
	GPR_UW(destreg,i) = ((x & (1  << 31)) >> (31 - 15))  
	  | ((x & (31 << 19)) >> (19 - 10))  
	  | ((x & (31 << 11)) >> (11 - 5))   
	  | ((x & (31 <<  3)) >> (3  - 0));  
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11011001000:MMI0:32::PPACB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UB(destreg,0)  = RT_UB(0);
    GPR_UB(destreg,1)  = RT_UB(2);
    GPR_UB(destreg,2)  = RT_UB(4);
    GPR_UB(destreg,3)  = RT_UB(6);
    GPR_UB(destreg,4)  = RT_UB(8);
    GPR_UB(destreg,5)  = RT_UB(10);
    GPR_UB(destreg,6)  = RT_UB(12);
    GPR_UB(destreg,7)  = RT_UB(14);
    GPR_UB(destreg,8)  = RS_UB(0);
    GPR_UB(destreg,9)  = RS_UB(2);
    GPR_UB(destreg,10) = RS_UB(4);
    GPR_UB(destreg,11) = RS_UB(6);
    GPR_UB(destreg,12) = RS_UB(8);
    GPR_UB(destreg,13) = RS_UB(10);
    GPR_UB(destreg,14) = RS_UB(12);
    GPR_UB(destreg,15) = RS_UB(14);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10111001000:MMI0:32::PPACH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0)  = RT_UH(0);
    GPR_UH(destreg,1)  = RT_UH(2);
    GPR_UH(destreg,2)  = RT_UH(4);
    GPR_UH(destreg,3)  = RT_UH(6);
    GPR_UH(destreg,4)  = RS_UH(0);
    GPR_UH(destreg,5)  = RS_UH(2);
    GPR_UH(destreg,6)  = RS_UH(4);
    GPR_UH(destreg,7)  = RS_UH(6);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10011001000:MMI0:32::PPACW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0)  = RT_UW(0);
    GPR_UW(destreg,1)  = RT_UW(2);
    GPR_UW(destreg,2)  = RS_UW(0);
    GPR_UW(destreg,3)  = RS_UW(2);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11011001001:MMI2:32::PREVH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UH(destreg,0)  = RT_UH(3);
    GPR_UH(destreg,1)  = RT_UH(2);
    GPR_UH(destreg,2)  = RT_UH(1);
    GPR_UH(destreg,3)  = RT_UH(0);
    GPR_UH(destreg,4)  = RT_UH(7);
    GPR_UH(destreg,5)  = RT_UH(6);
    GPR_UH(destreg,6)  = RT_UH(5);
    GPR_UH(destreg,7)  = RT_UH(4);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,11111001001:MMI2:32::PROT3W
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UW(destreg,0)  = RT_UW(0);
    GPR_UW(destreg,1)  = RT_UW(3);
    GPR_UW(destreg,2)  = RT_UW(1);
    GPR_UW(destreg,3)  = RT_UW(2);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,110100:MMINORM:32::PSLLH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (16-1);
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      GPR_UH(destreg,i) = (RT_UH(i) << shift_by);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00010001001:MMI2:32::PSLLVW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int s0 = (RS_UB(0) & 0x1F);
    int s1 = (RS_UB(8) & 0x1F);
    signed32 temp0 = RT_UW(0) << s0;
    signed32 temp1 = RT_UW(2) << s1;
    GPR_SD(destreg,0) = (signed64)temp0;
    GPR_SD(destreg,1) = (signed64)temp1;
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,111100:MMINORM:32::PSLLW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (32-1);
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = (RT_UW(i) << shift_by);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,110111:MMINORM:32::PSRAH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (16-1);
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      GPR_SH(destreg,i) = SIGNEXTEND( (RT_SH(i) >> shift_by), (16-shift_by) );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00011101001:MMI3:32::PSRAVW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_SD(destreg,0) = SIGNEXTEND( (RT_SW (0) >> (RS_UB(0) & 0x1F)), 32-(RS_UB(0) & 0x1F) );
    GPR_SD(destreg,1) = SIGNEXTEND( (RT_SW (2) >> (RS_UB(8) & 0x1F)), 32-(RS_UB(8) & 0x1F) );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,111111:MMINORM:32::PSRAW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (32-1);
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_SW(destreg,i) = SIGNEXTEND( (RT_SW(i) >> shift_by), (32-shift_by) );
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,110110:MMINORM:32::PSRLH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (16-1);
    int i;
    for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
      GPR_UH(destreg,i) = (RT_UH(i) >> shift_by);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00011001001:MMI2:32::PSRLVW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    GPR_UD(destreg,0) = SIGNEXTEND ( RT_UW(0) >> (RS_UB(0) & 0x1F), 31);
    GPR_UD(destreg,1) = SIGNEXTEND ( RT_UW(2) >> (RS_UB(8) & 0x1F), 31);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

01110000000,5.RT,5.RD,5.SHIFT,111110:MMINORM:32::PSRLW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int op1 = ((instruction >> 6) & 0x0000001F);
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int shift_by = op1 & (32-1);
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = (RT_UW(i) >> shift_by);
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,01001001000:MMI0:32::PSUBB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	int s = RS_SB(i);
	int t = RT_SB(i);
	int r = s - t;
	GPR_SB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00101001000:MMI0:32::PSUBH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	int s = RS_SH(i);
	int t = RT_SH(i);
	int r = s - t;
	GPR_SH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11001001000:MMI0:32::PSUBSB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	int s = RS_SB(i);
	int t = RT_SB(i);
	int r = s - t;
	if (r > 127)
	  GPR_SB(destreg,i) = 127;
	else if (r < -128)
	  GPR_SB(destreg,i) = -128;
	else
	  GPR_SB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10101001000:MMI0:32::PSUBSH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	int s = RS_SH(i);
	int t = RT_SH(i);
	int r = s - t;
	if (r > 32767)
	  GPR_SH(destreg,i) = 32767;
	else if (r < -32768)
	  GPR_SH(destreg,i) = -32768;
	else
	  GPR_SH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10001001000:MMI0:32::PSUBSW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	signed64 s = RS_SW(i);
	signed64 t = RT_SW(i);
	signed64 r = s - t;
	if (r > (int)0x7FFFFFFF)
	  GPR_SW(destreg,i) = (int)0x7FFFFFFF;
	else if (r < (int)0x80000000)
	  GPR_SW(destreg,i) = (int)0x80000000;
	else
	  GPR_SW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11001101000:MMI1:32::PSUBUB
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < BYTES_IN_MMI_REGS; i++)
      {
	unsigned int s = RS_UB(i);
	unsigned int t = RT_UB(i);
	unsigned int r = s - t;
	if (r > 0xFF)
	  GPR_UB(destreg,i) = 0;
	else
	  GPR_UB(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10101101000:MMI1:32::PSUBUH
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
      {
	unsigned int s = RS_UH(i);
	unsigned int t = RT_UH(i);
	unsigned int r = s - t;
	if (r > 0xFFFF)
	  GPR_UH(destreg,i) = 0;
	else
	  GPR_UH(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10001101000:MMI1:32::PSUBUW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	unsigned64 s = RS_UW(i);
	unsigned64 t = RT_UW(i);
	unsigned64 r = s - t;
	if (r > 0xFFFFFFFF)
	  GPR_UW(destreg,i) = 0;
	else
	  GPR_UW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,00001001000:MMI0:32::PSUBW
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for (i=0; i < WORDS_IN_MMI_REGS; i++)
      {
	signed64 s = RS_SW(i);
	signed64 t = RT_SW(i);
	signed64 r = s - t;
	GPR_SW(destreg,i) = r;
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,10011001001:MMI2:32::PXOR
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int i;
    for(i=0;i<WORDS_IN_MMI_REGS;i++)
      GPR_UW(destreg,i) = (RS_UW(i) ^ RT_UW(i));
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011100,5.RS,5.RT,5.RD,11011101000:MMI1:32::QFSRV
*r5900:
{
  unsigned32 instruction = instruction_0;
  int destreg = ((instruction >> 11) & 0x0000001F);
  signed_word rs_reg = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    int bytes = (SA / 8) % 16;
    if (SA % 8)
      SignalException(ReservedInstruction,instruction);
    else
      {
	int i;
	for(i=0;i<(16-bytes);i++)
	  GPR_SB(destreg,i) = RT_SB(bytes+i);
	for(;i<16;i++)
	  GPR_SB(destreg,i) = RS_SB(i-(16-bytes));
      }
  }
}

// end-sanitize-r5900
// start-sanitize-r5900

011111,5.RS,5.RT,16.OFFSET:NORMAL:128::SQ
*r5900:
{
  unsigned32 instruction = instruction_0;
  signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
  signed_word rsigned_word = GPR[((instruction >> 16) & 0x0000001F)];
  signed_word rsigned_word1 = GPR1[((instruction >> 16) & 0x0000001F)];
  signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
  signed_word rt_reg = GPR[RT];
  signed_word rt_reg1 = GPR1[RT];
  {
    unsigned64 vaddr = ((unsigned64)op1 + offset);
    unsigned64 paddr;
    int uncached;
    if ((vaddr & 15) != 0)
      SignalExceptionAddressStore();
    else
      {
	if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
	  {
	    unsigned64 memval = 0;
	    unsigned64 memval1 = 0;
	    memval  = rsigned_word;
	    memval1 = rsigned_word1;
	    {
	      StoreMemory(uncached,AccessLength_QUADWORD,memval,memval1,paddr,vaddr,isREAL);
	    }
	  }
      }
  }
}

// end-sanitize-r5900

// start-sanitize-cygnus-never

// // FIXME FIXME FIXME What is this instruction?
// 111011,5.RS,5.RT,16.OFFSET:NORMAL:32::<INT>
// *mipsI:
// *mipsII:
// *mipsIII:
// *mipsIV:
// // start-sanitize-r5900
// *r5900:
// // end-sanitize-r5900
// *r3900:
// // start-sanitize-tx19
// *tx19:
// // end-sanitize-tx19
// {
//   unsigned32 instruction = instruction_0;
//   signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
//   signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
//   signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
//   {
//     if (CoProcPresent(3))
//       SignalException(CoProcessorUnusable);
//     else
//       SignalException(ReservedInstruction,instruction);
//   }
// }

// end-sanitize-cygnus-never
// start-sanitize-cygnus-never

// // FIXME FIXME FIXME What is this?
// 11100,******,00001:RR:16::SDBBP
// *mips16:
// {
//   unsigned32 instruction = instruction_0;
//   if (have_extendval)
//     SignalException (ReservedInstruction, instruction);
//   {
//     SignalException(DebugBreakPoint,instruction);
//   }
// }

// end-sanitize-cygnus-never
// start-sanitize-cygnus-never

// // FIXME FIXME FIXME What is this?
// 000000,********************,001110:SPECIAL:32::SDBBP
// *r3900:
// {
//   unsigned32 instruction = instruction_0;
//   {
//     SignalException(DebugBreakPoint,instruction);
//   }
// }

// end-sanitize-cygnus-never
// start-sanitize-cygnus-never

// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
// // isn't yet reconized by this simulator.
// 000000,5.RS,5.RT,0000000000101000:SPECIAL:32::MADD16
// *vr4100:
// {
//   unsigned32 instruction = instruction_0;
//   signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
//   signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
//   {
//     CHECKHILO("Multiply-Add");
//     {
//       unsigned64 temp = (op1 * op2);
//       temp += (SET64HI(VL4_8(HI)) | VL4_8(LO));
//       LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
//       HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
//     }
//   }
// }

// end-sanitize-cygnus-never
// start-sanitize-cygnus-never

// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
// // isn't yet reconized by this simulator.
// 000000,5.RS,5.RT,0000000000101001:SPECIAL:64::DMADD16
// *vr4100:
// {
//   unsigned32 instruction = instruction_0;
//   signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
//   signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
//   {
//     CHECKHILO("Multiply-Add");
//     {
//       unsigned64 temp = (op1 * op2);
//       LO = LO + temp;
//     }
//   }
// }

// start-sanitize-cygnus-never