sim/mips/m16e.igen

   1 // -*- C -*-
   2
   3 // Simulator definition for the MIPS16e instructions.
   4 // Copyright (C) 2005 Free Software Foundation, Inc.
   5 // Contributed by Nigel Stephens (nigel@mips.com) and
   6 //                David Ung (davidu@mips.com) of MIPS Technologies.
   7 //
   8 // This file is part of GDB, the GNU debugger.
   9 //
  10 // This program is free software; you can redistribute it and/or modify
  11 // it under the terms of the GNU General Public License as published by
  12 // the Free Software Foundation; either version 2, or (at your option)
  13 // any later version.
  14 //
  15 // This program is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this program; if not, write to the Free Software Foundation, Inc.,
  22 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24
  25 11101,3.RX,100,10001:RR:16::SEB
  26 "seb r<TRX>"
  27 *mips16e:
  28 {
  29   TRACE_ALU_INPUT1 (GPR[TRX]);
  30   GPR[TRX] = EXTEND8 (GPR[TRX]);
  31   TRACE_ALU_RESULT (GPR[TRX]);
  32 }
  33
  34
  35 11101,3.RX,101,10001:RR:16::SEH
  36 "seh r<TRX>"
  37 *mips16e:
  38 {
  39   TRACE_ALU_INPUT1 (GPR[TRX]);
  40   GPR[TRX] = EXTEND16 (GPR[TRX]);
  41   TRACE_ALU_RESULT (GPR[TRX]);
  42 }
  43
  44 11101,3.RX,110,10001:RR:16::SEW
  45 "sew r<TRX>"
  46 *mips16e:
  47 {
  48   check_u64 (SD_, instruction_0);
  49   TRACE_ALU_INPUT1 (GPR[TRX]);
  50   GPR[TRX] = EXTEND32 (GPR[TRX]);
  51   TRACE_ALU_RESULT (GPR[TRX]);
  52 }
  53
  54 11101,3.RX,000,10001:RR:16::ZEB
  55 "zeb r<TRX>"
  56 *mips16e:
  57 {
  58   TRACE_ALU_INPUT1 (GPR[TRX]);
  59   GPR[TRX] =  (unsigned_word)(unsigned8)(GPR[TRX]);
  60   TRACE_ALU_RESULT (GPR[TRX]);
  61 }
  62
  63 11101,3.RX,001,10001:RR:16::ZEH
  64 "zeh r<TRX>"
  65 *mips16e:
  66 {
  67   TRACE_ALU_INPUT1 (GPR[TRX]);
  68   GPR[TRX] = (unsigned_word)(unsigned16)(GPR[TRX]);
  69   TRACE_ALU_RESULT (GPR[TRX]);
  70 }
  71
  72 11101,3.RX,010,10001:RR:16::ZEW
  73 "zew r<TRX>"
  74 *mips16e:
  75 {
  76   check_u64 (SD_, instruction_0);
  77   TRACE_ALU_INPUT1 (GPR[TRX]);
  78   GPR[TRX] = (unsigned_word)(unsigned32)(GPR[TRX]);
  79   TRACE_ALU_RESULT (GPR[TRX]);
  80 }
  81
  82
  83 11101,3.RX,100,00000:RR:16::JRC
  84 "jrc r<TRX>"
  85 *mips16e:
  86 {
  87   NIA = GPR[TRX];
  88 }
  89
  90
  91 11101,000,101,00000:RR:16::JRCRA
  92 "jrc ra"
  93 *mips16e:
  94 {
  95   NIA = RA;
  96 }
  97
  98
  99 11101,3.RX,110,00000:RR:16::JALRC
 100 "jalrc r<TRX>"
 101 *mips16e:
 102 {
 103   RA = NIA;
 104   NIA = GPR[TRX];
 105 }