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// -*- C -*-

//

// toshiba specific instructions.

//

011100,5.RS,5.RT,5.RD,00000000000:MMINORM:::MADD

"madd r, r":RD == 0

"madd r, r, r"

*r3900

{

  signed64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))

                   + ((signed64) EXTEND32 (GPR[RT])

                      * (signed64) EXTEND32 (GPR[RS])));

  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);

  TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);

  LO = EXTEND32 (prod);

  HI = EXTEND32 (VH4_8 (prod));

  TRACE_ALU_RESULT2 (HI, LO);

  if(RD != 0 )

    GPR[RD] = LO;

}

011100,5.RS,5.RT,5.RD,00000000001:MMINORM:::MADDU

"maddu r, r":RD == 0

"maddu r, r, r"

*r3900

{

  unsigned64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))

                     + ((unsigned64) VL4_8 (GPR[RS])

                        * (unsigned64) VL4_8 (GPR[RT])));

  check_mult_hilo (SD_, HIHISTORY, LOHISTORY);

  TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);

  LO = EXTEND32 (prod);

  HI = EXTEND32 (VH4_8 (prod));

  TRACE_ALU_RESULT2 (HI, LO);

  if(RD != 0)

    GPR[RD] = LO;

}

000000,CODE.20,001110::CO1:::SDBBP

"sdbbp"

*r3900:

{

  SignalException (DebugBreakPoint, instruction);

}