gdb-6.4/sim/mips/m16e.igen

// -*- C -*-

// Simulator definition for the MIPS16e instructions.
// Copyright (C) 2005 Free Software Foundation, Inc.
// Contributed by Nigel Stephens (nigel@mips.com) and 
//                David Ung (davidu@mips.com) of MIPS Technologies.
//
// This file is part of GDB, the GNU debugger.
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


11101,3.RX,100,10001:RR:16::SEB
"seb r<TRX>"
*mips16e:
{
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] = EXTEND8 (GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}


11101,3.RX,101,10001:RR:16::SEH
"seh r<TRX>"
*mips16e:
{
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] = EXTEND16 (GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}

11101,3.RX,110,10001:RR:16::SEW
"sew r<TRX>"
*mips16e:
{
  check_u64 (SD_, instruction_0);
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] = EXTEND32 (GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}

11101,3.RX,000,10001:RR:16::ZEB
"zeb r<TRX>"
*mips16e:
{
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] =  (unsigned_word)(unsigned8)(GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}

11101,3.RX,001,10001:RR:16::ZEH
"zeh r<TRX>"
*mips16e:
{
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] = (unsigned_word)(unsigned16)(GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}

11101,3.RX,010,10001:RR:16::ZEW
"zew r<TRX>"
*mips16e:
{
  check_u64 (SD_, instruction_0);
  TRACE_ALU_INPUT1 (GPR[TRX]);
  GPR[TRX] = (unsigned_word)(unsigned32)(GPR[TRX]);
  TRACE_ALU_RESULT (GPR[TRX]);
}


11101,3.RX,100,00000:RR:16::JRC
"jrc r<TRX>"
*mips16e:
{
  NIA = GPR[TRX];
}


11101,000,101,00000:RR:16::JRCRA
"jrc ra"
*mips16e:
{
  NIA = RA;
}


11101,3.RX,110,00000:RR:16::JALRC
"jalrc r<TRX>"
*mips16e:
{
  RA = NIA;
  NIA = GPR[TRX];
}