decodex.c

这个是LINUX下的GDB调度工具的源码

/* Simulator instruction decoder for m32rxf.

THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.

This file is part of the GNU simulators.

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.

*/

#define WANT_CPU m32rxf
#define WANT_CPU_M32RXF

#include "sim-main.h"
#include "sim-assert.h"

/* Insn can't be executed in parallel.
   Or is that "do NOt Pass to Air defense Radar"? :-) */
#define NOPAR (-1)

/* The instruction descriptor array.
   This is computed at runtime.  Space for it is not malloc'd to save a
   teensy bit of cpu in the decoder.  Moving it to malloc space is trivial
   but won't be done until necessary (we don't currently support the runtime
   addition of instructions nor an SMP machine with different cpus).  */
static IDESC m32rxf_insn_data[M32RXF_INSN__MAX];

/* Commas between elements are contained in the macros.
   Some of these are conditionally compiled out.  */

static const struct insn_sem m32rxf_insn_sem[] =
{
  { VIRTUAL_INSN_X_INVALID, M32RXF_INSN_X_INVALID, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { VIRTUAL_INSN_X_AFTER, M32RXF_INSN_X_AFTER, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { VIRTUAL_INSN_X_BEFORE, M32RXF_INSN_X_BEFORE, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { VIRTUAL_INSN_X_CTI_CHAIN, M32RXF_INSN_X_CTI_CHAIN, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { VIRTUAL_INSN_X_CHAIN, M32RXF_INSN_X_CHAIN, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { VIRTUAL_INSN_X_BEGIN, M32RXF_INSN_X_BEGIN, M32RXF_SFMT_EMPTY, NOPAR, NOPAR  },
  { M32R_INSN_ADD, M32RXF_INSN_ADD, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_ADD, M32RXF_INSN_WRITE_ADD },
  { M32R_INSN_ADD3, M32RXF_INSN_ADD3, M32RXF_SFMT_ADD3, NOPAR, NOPAR  },
  { M32R_INSN_AND, M32RXF_INSN_AND, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_AND, M32RXF_INSN_WRITE_AND },
  { M32R_INSN_AND3, M32RXF_INSN_AND3, M32RXF_SFMT_AND3, NOPAR, NOPAR  },
  { M32R_INSN_OR, M32RXF_INSN_OR, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_OR, M32RXF_INSN_WRITE_OR },
  { M32R_INSN_OR3, M32RXF_INSN_OR3, M32RXF_SFMT_OR3, NOPAR, NOPAR  },
  { M32R_INSN_XOR, M32RXF_INSN_XOR, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_XOR, M32RXF_INSN_WRITE_XOR },
  { M32R_INSN_XOR3, M32RXF_INSN_XOR3, M32RXF_SFMT_AND3, NOPAR, NOPAR  },
  { M32R_INSN_ADDI, M32RXF_INSN_ADDI, M32RXF_SFMT_ADDI, M32RXF_INSN_PAR_ADDI, M32RXF_INSN_WRITE_ADDI },
  { M32R_INSN_ADDV, M32RXF_INSN_ADDV, M32RXF_SFMT_ADDV, M32RXF_INSN_PAR_ADDV, M32RXF_INSN_WRITE_ADDV },
  { M32R_INSN_ADDV3, M32RXF_INSN_ADDV3, M32RXF_SFMT_ADDV3, NOPAR, NOPAR  },
  { M32R_INSN_ADDX, M32RXF_INSN_ADDX, M32RXF_SFMT_ADDX, M32RXF_INSN_PAR_ADDX, M32RXF_INSN_WRITE_ADDX },
  { M32R_INSN_BC8, M32RXF_INSN_BC8, M32RXF_SFMT_BC8, M32RXF_INSN_PAR_BC8, M32RXF_INSN_WRITE_BC8 },
  { M32R_INSN_BC24, M32RXF_INSN_BC24, M32RXF_SFMT_BC24, NOPAR, NOPAR  },
  { M32R_INSN_BEQ, M32RXF_INSN_BEQ, M32RXF_SFMT_BEQ, NOPAR, NOPAR  },
  { M32R_INSN_BEQZ, M32RXF_INSN_BEQZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BGEZ, M32RXF_INSN_BGEZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BGTZ, M32RXF_INSN_BGTZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BLEZ, M32RXF_INSN_BLEZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BLTZ, M32RXF_INSN_BLTZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BNEZ, M32RXF_INSN_BNEZ, M32RXF_SFMT_BEQZ, NOPAR, NOPAR  },
  { M32R_INSN_BL8, M32RXF_INSN_BL8, M32RXF_SFMT_BL8, M32RXF_INSN_PAR_BL8, M32RXF_INSN_WRITE_BL8 },
  { M32R_INSN_BL24, M32RXF_INSN_BL24, M32RXF_SFMT_BL24, NOPAR, NOPAR  },
  { M32R_INSN_BCL8, M32RXF_INSN_BCL8, M32RXF_SFMT_BCL8, M32RXF_INSN_PAR_BCL8, M32RXF_INSN_WRITE_BCL8 },
  { M32R_INSN_BCL24, M32RXF_INSN_BCL24, M32RXF_SFMT_BCL24, NOPAR, NOPAR  },
  { M32R_INSN_BNC8, M32RXF_INSN_BNC8, M32RXF_SFMT_BC8, M32RXF_INSN_PAR_BNC8, M32RXF_INSN_WRITE_BNC8 },
  { M32R_INSN_BNC24, M32RXF_INSN_BNC24, M32RXF_SFMT_BC24, NOPAR, NOPAR  },
  { M32R_INSN_BNE, M32RXF_INSN_BNE, M32RXF_SFMT_BEQ, NOPAR, NOPAR  },
  { M32R_INSN_BRA8, M32RXF_INSN_BRA8, M32RXF_SFMT_BRA8, M32RXF_INSN_PAR_BRA8, M32RXF_INSN_WRITE_BRA8 },
  { M32R_INSN_BRA24, M32RXF_INSN_BRA24, M32RXF_SFMT_BRA24, NOPAR, NOPAR  },
  { M32R_INSN_BNCL8, M32RXF_INSN_BNCL8, M32RXF_SFMT_BCL8, M32RXF_INSN_PAR_BNCL8, M32RXF_INSN_WRITE_BNCL8 },
  { M32R_INSN_BNCL24, M32RXF_INSN_BNCL24, M32RXF_SFMT_BCL24, NOPAR, NOPAR  },
  { M32R_INSN_CMP, M32RXF_INSN_CMP, M32RXF_SFMT_CMP, M32RXF_INSN_PAR_CMP, M32RXF_INSN_WRITE_CMP },
  { M32R_INSN_CMPI, M32RXF_INSN_CMPI, M32RXF_SFMT_CMPI, NOPAR, NOPAR  },
  { M32R_INSN_CMPU, M32RXF_INSN_CMPU, M32RXF_SFMT_CMP, M32RXF_INSN_PAR_CMPU, M32RXF_INSN_WRITE_CMPU },
  { M32R_INSN_CMPUI, M32RXF_INSN_CMPUI, M32RXF_SFMT_CMPI, NOPAR, NOPAR  },
  { M32R_INSN_CMPEQ, M32RXF_INSN_CMPEQ, M32RXF_SFMT_CMP, M32RXF_INSN_PAR_CMPEQ, M32RXF_INSN_WRITE_CMPEQ },
  { M32R_INSN_CMPZ, M32RXF_INSN_CMPZ, M32RXF_SFMT_CMPZ, M32RXF_INSN_PAR_CMPZ, M32RXF_INSN_WRITE_CMPZ },
  { M32R_INSN_DIV, M32RXF_INSN_DIV, M32RXF_SFMT_DIV, NOPAR, NOPAR  },
  { M32R_INSN_DIVU, M32RXF_INSN_DIVU, M32RXF_SFMT_DIV, NOPAR, NOPAR  },
  { M32R_INSN_REM, M32RXF_INSN_REM, M32RXF_SFMT_DIV, NOPAR, NOPAR  },
  { M32R_INSN_REMU, M32RXF_INSN_REMU, M32RXF_SFMT_DIV, NOPAR, NOPAR  },
  { M32R_INSN_DIVH, M32RXF_INSN_DIVH, M32RXF_SFMT_DIV, NOPAR, NOPAR  },
  { M32R_INSN_JC, M32RXF_INSN_JC, M32RXF_SFMT_JC, M32RXF_INSN_PAR_JC, M32RXF_INSN_WRITE_JC },
  { M32R_INSN_JNC, M32RXF_INSN_JNC, M32RXF_SFMT_JC, M32RXF_INSN_PAR_JNC, M32RXF_INSN_WRITE_JNC },
  { M32R_INSN_JL, M32RXF_INSN_JL, M32RXF_SFMT_JL, M32RXF_INSN_PAR_JL, M32RXF_INSN_WRITE_JL },
  { M32R_INSN_JMP, M32RXF_INSN_JMP, M32RXF_SFMT_JMP, M32RXF_INSN_PAR_JMP, M32RXF_INSN_WRITE_JMP },
  { M32R_INSN_LD, M32RXF_INSN_LD, M32RXF_SFMT_LD, M32RXF_INSN_PAR_LD, M32RXF_INSN_WRITE_LD },
  { M32R_INSN_LD_D, M32RXF_INSN_LD_D, M32RXF_SFMT_LD_D, NOPAR, NOPAR  },
  { M32R_INSN_LDB, M32RXF_INSN_LDB, M32RXF_SFMT_LDB, M32RXF_INSN_PAR_LDB, M32RXF_INSN_WRITE_LDB },
  { M32R_INSN_LDB_D, M32RXF_INSN_LDB_D, M32RXF_SFMT_LDB_D, NOPAR, NOPAR  },
  { M32R_INSN_LDH, M32RXF_INSN_LDH, M32RXF_SFMT_LDH, M32RXF_INSN_PAR_LDH, M32RXF_INSN_WRITE_LDH },
  { M32R_INSN_LDH_D, M32RXF_INSN_LDH_D, M32RXF_SFMT_LDH_D, NOPAR, NOPAR  },
  { M32R_INSN_LDUB, M32RXF_INSN_LDUB, M32RXF_SFMT_LDB, M32RXF_INSN_PAR_LDUB, M32RXF_INSN_WRITE_LDUB },
  { M32R_INSN_LDUB_D, M32RXF_INSN_LDUB_D, M32RXF_SFMT_LDB_D, NOPAR, NOPAR  },
  { M32R_INSN_LDUH, M32RXF_INSN_LDUH, M32RXF_SFMT_LDH, M32RXF_INSN_PAR_LDUH, M32RXF_INSN_WRITE_LDUH },
  { M32R_INSN_LDUH_D, M32RXF_INSN_LDUH_D, M32RXF_SFMT_LDH_D, NOPAR, NOPAR  },
  { M32R_INSN_LD_PLUS, M32RXF_INSN_LD_PLUS, M32RXF_SFMT_LD_PLUS, M32RXF_INSN_PAR_LD_PLUS, M32RXF_INSN_WRITE_LD_PLUS },
  { M32R_INSN_LD24, M32RXF_INSN_LD24, M32RXF_SFMT_LD24, NOPAR, NOPAR  },
  { M32R_INSN_LDI8, M32RXF_INSN_LDI8, M32RXF_SFMT_LDI8, M32RXF_INSN_PAR_LDI8, M32RXF_INSN_WRITE_LDI8 },
  { M32R_INSN_LDI16, M32RXF_INSN_LDI16, M32RXF_SFMT_LDI16, NOPAR, NOPAR  },
  { M32R_INSN_LOCK, M32RXF_INSN_LOCK, M32RXF_SFMT_LOCK, M32RXF_INSN_PAR_LOCK, M32RXF_INSN_WRITE_LOCK },
  { M32R_INSN_MACHI_A, M32RXF_INSN_MACHI_A, M32RXF_SFMT_MACHI_A, M32RXF_INSN_PAR_MACHI_A, M32RXF_INSN_WRITE_MACHI_A },
  { M32R_INSN_MACLO_A, M32RXF_INSN_MACLO_A, M32RXF_SFMT_MACHI_A, M32RXF_INSN_PAR_MACLO_A, M32RXF_INSN_WRITE_MACLO_A },
  { M32R_INSN_MACWHI_A, M32RXF_INSN_MACWHI_A, M32RXF_SFMT_MACHI_A, M32RXF_INSN_PAR_MACWHI_A, M32RXF_INSN_WRITE_MACWHI_A },
  { M32R_INSN_MACWLO_A, M32RXF_INSN_MACWLO_A, M32RXF_SFMT_MACHI_A, M32RXF_INSN_PAR_MACWLO_A, M32RXF_INSN_WRITE_MACWLO_A },
  { M32R_INSN_MUL, M32RXF_INSN_MUL, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_MUL, M32RXF_INSN_WRITE_MUL },
  { M32R_INSN_MULHI_A, M32RXF_INSN_MULHI_A, M32RXF_SFMT_MULHI_A, M32RXF_INSN_PAR_MULHI_A, M32RXF_INSN_WRITE_MULHI_A },
  { M32R_INSN_MULLO_A, M32RXF_INSN_MULLO_A, M32RXF_SFMT_MULHI_A, M32RXF_INSN_PAR_MULLO_A, M32RXF_INSN_WRITE_MULLO_A },
  { M32R_INSN_MULWHI_A, M32RXF_INSN_MULWHI_A, M32RXF_SFMT_MULHI_A, M32RXF_INSN_PAR_MULWHI_A, M32RXF_INSN_WRITE_MULWHI_A },
  { M32R_INSN_MULWLO_A, M32RXF_INSN_MULWLO_A, M32RXF_SFMT_MULHI_A, M32RXF_INSN_PAR_MULWLO_A, M32RXF_INSN_WRITE_MULWLO_A },
  { M32R_INSN_MV, M32RXF_INSN_MV, M32RXF_SFMT_MV, M32RXF_INSN_PAR_MV, M32RXF_INSN_WRITE_MV },
  { M32R_INSN_MVFACHI_A, M32RXF_INSN_MVFACHI_A, M32RXF_SFMT_MVFACHI_A, M32RXF_INSN_PAR_MVFACHI_A, M32RXF_INSN_WRITE_MVFACHI_A },
  { M32R_INSN_MVFACLO_A, M32RXF_INSN_MVFACLO_A, M32RXF_SFMT_MVFACHI_A, M32RXF_INSN_PAR_MVFACLO_A, M32RXF_INSN_WRITE_MVFACLO_A },
  { M32R_INSN_MVFACMI_A, M32RXF_INSN_MVFACMI_A, M32RXF_SFMT_MVFACHI_A, M32RXF_INSN_PAR_MVFACMI_A, M32RXF_INSN_WRITE_MVFACMI_A },
  { M32R_INSN_MVFC, M32RXF_INSN_MVFC, M32RXF_SFMT_MVFC, M32RXF_INSN_PAR_MVFC, M32RXF_INSN_WRITE_MVFC },
  { M32R_INSN_MVTACHI_A, M32RXF_INSN_MVTACHI_A, M32RXF_SFMT_MVTACHI_A, M32RXF_INSN_PAR_MVTACHI_A, M32RXF_INSN_WRITE_MVTACHI_A },
  { M32R_INSN_MVTACLO_A, M32RXF_INSN_MVTACLO_A, M32RXF_SFMT_MVTACHI_A, M32RXF_INSN_PAR_MVTACLO_A, M32RXF_INSN_WRITE_MVTACLO_A },
  { M32R_INSN_MVTC, M32RXF_INSN_MVTC, M32RXF_SFMT_MVTC, M32RXF_INSN_PAR_MVTC, M32RXF_INSN_WRITE_MVTC },
  { M32R_INSN_NEG, M32RXF_INSN_NEG, M32RXF_SFMT_MV, M32RXF_INSN_PAR_NEG, M32RXF_INSN_WRITE_NEG },
  { M32R_INSN_NOP, M32RXF_INSN_NOP, M32RXF_SFMT_NOP, M32RXF_INSN_PAR_NOP, M32RXF_INSN_WRITE_NOP },
  { M32R_INSN_NOT, M32RXF_INSN_NOT, M32RXF_SFMT_MV, M32RXF_INSN_PAR_NOT, M32RXF_INSN_WRITE_NOT },
  { M32R_INSN_RAC_DSI, M32RXF_INSN_RAC_DSI, M32RXF_SFMT_RAC_DSI, M32RXF_INSN_PAR_RAC_DSI, M32RXF_INSN_WRITE_RAC_DSI },
  { M32R_INSN_RACH_DSI, M32RXF_INSN_RACH_DSI, M32RXF_SFMT_RAC_DSI, M32RXF_INSN_PAR_RACH_DSI, M32RXF_INSN_WRITE_RACH_DSI },
  { M32R_INSN_RTE, M32RXF_INSN_RTE, M32RXF_SFMT_RTE, M32RXF_INSN_PAR_RTE, M32RXF_INSN_WRITE_RTE },
  { M32R_INSN_SETH, M32RXF_INSN_SETH, M32RXF_SFMT_SETH, NOPAR, NOPAR  },
  { M32R_INSN_SLL, M32RXF_INSN_SLL, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_SLL, M32RXF_INSN_WRITE_SLL },
  { M32R_INSN_SLL3, M32RXF_INSN_SLL3, M32RXF_SFMT_SLL3, NOPAR, NOPAR  },
  { M32R_INSN_SLLI, M32RXF_INSN_SLLI, M32RXF_SFMT_SLLI, M32RXF_INSN_PAR_SLLI, M32RXF_INSN_WRITE_SLLI },
  { M32R_INSN_SRA, M32RXF_INSN_SRA, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_SRA, M32RXF_INSN_WRITE_SRA },
  { M32R_INSN_SRA3, M32RXF_INSN_SRA3, M32RXF_SFMT_SLL3, NOPAR, NOPAR  },
  { M32R_INSN_SRAI, M32RXF_INSN_SRAI, M32RXF_SFMT_SLLI, M32RXF_INSN_PAR_SRAI, M32RXF_INSN_WRITE_SRAI },
  { M32R_INSN_SRL, M32RXF_INSN_SRL, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_SRL, M32RXF_INSN_WRITE_SRL },
  { M32R_INSN_SRL3, M32RXF_INSN_SRL3, M32RXF_SFMT_SLL3, NOPAR, NOPAR  },
  { M32R_INSN_SRLI, M32RXF_INSN_SRLI, M32RXF_SFMT_SLLI, M32RXF_INSN_PAR_SRLI, M32RXF_INSN_WRITE_SRLI },
  { M32R_INSN_ST, M32RXF_INSN_ST, M32RXF_SFMT_ST, M32RXF_INSN_PAR_ST, M32RXF_INSN_WRITE_ST },
  { M32R_INSN_ST_D, M32RXF_INSN_ST_D, M32RXF_SFMT_ST_D, NOPAR, NOPAR  },
  { M32R_INSN_STB, M32RXF_INSN_STB, M32RXF_SFMT_STB, M32RXF_INSN_PAR_STB, M32RXF_INSN_WRITE_STB },
  { M32R_INSN_STB_D, M32RXF_INSN_STB_D, M32RXF_SFMT_STB_D, NOPAR, NOPAR  },
  { M32R_INSN_STH, M32RXF_INSN_STH, M32RXF_SFMT_STH, M32RXF_INSN_PAR_STH, M32RXF_INSN_WRITE_STH },
  { M32R_INSN_STH_D, M32RXF_INSN_STH_D, M32RXF_SFMT_STH_D, NOPAR, NOPAR  },
  { M32R_INSN_ST_PLUS, M32RXF_INSN_ST_PLUS, M32RXF_SFMT_ST_PLUS, M32RXF_INSN_PAR_ST_PLUS, M32RXF_INSN_WRITE_ST_PLUS },
  { M32R_INSN_STH_PLUS, M32RXF_INSN_STH_PLUS, M32RXF_SFMT_STH_PLUS, M32RXF_INSN_PAR_STH_PLUS, M32RXF_INSN_WRITE_STH_PLUS },
  { M32R_INSN_STB_PLUS, M32RXF_INSN_STB_PLUS, M32RXF_SFMT_STB_PLUS, M32RXF_INSN_PAR_STB_PLUS, M32RXF_INSN_WRITE_STB_PLUS },
  { M32R_INSN_ST_MINUS, M32RXF_INSN_ST_MINUS, M32RXF_SFMT_ST_PLUS, M32RXF_INSN_PAR_ST_MINUS, M32RXF_INSN_WRITE_ST_MINUS },
  { M32R_INSN_SUB, M32RXF_INSN_SUB, M32RXF_SFMT_ADD, M32RXF_INSN_PAR_SUB, M32RXF_INSN_WRITE_SUB },
  { M32R_INSN_SUBV, M32RXF_INSN_SUBV, M32RXF_SFMT_ADDV, M32RXF_INSN_PAR_SUBV, M32RXF_INSN_WRITE_SUBV },
  { M32R_INSN_SUBX, M32RXF_INSN_SUBX, M32RXF_SFMT_ADDX, M32RXF_INSN_PAR_SUBX, M32RXF_INSN_WRITE_SUBX },
  { M32R_INSN_TRAP, M32RXF_INSN_TRAP, M32RXF_SFMT_TRAP, M32RXF_INSN_PAR_TRAP, M32RXF_INSN_WRITE_TRAP },
  { M32R_INSN_UNLOCK, M32RXF_INSN_UNLOCK, M32RXF_SFMT_UNLOCK, M32RXF_INSN_PAR_UNLOCK, M32RXF_INSN_WRITE_UNLOCK },
  { M32R_INSN_SATB, M32RXF_INSN_SATB, M32RXF_SFMT_SATB, NOPAR, NOPAR  },
  { M32R_INSN_SATH, M32RXF_INSN_SATH, M32RXF_SFMT_SATB, NOPAR, NOPAR  },
  { M32R_INSN_SAT, M32RXF_INSN_SAT, M32RXF_SFMT_SAT, NOPAR, NOPAR  },
  { M32R_INSN_PCMPBZ, M32RXF_INSN_PCMPBZ, M32RXF_SFMT_CMPZ, M32RXF_INSN_PAR_PCMPBZ, M32RXF_INSN_WRITE_PCMPBZ },
  { M32R_INSN_SADD, M32RXF_INSN_SADD, M32RXF_SFMT_SADD, M32RXF_INSN_PAR_SADD, M32RXF_INSN_WRITE_SADD },
  { M32R_INSN_MACWU1, M32RXF_INSN_MACWU1, M32RXF_SFMT_MACWU1, M32RXF_INSN_PAR_MACWU1, M32RXF_INSN_WRITE_MACWU1 },
  { M32R_INSN_MSBLO, M32RXF_INSN_MSBLO, M32RXF_SFMT_MSBLO, M32RXF_INSN_PAR_MSBLO, M32RXF_INSN_WRITE_MSBLO },
  { M32R_INSN_MULWU1, M32RXF_INSN_MULWU1, M32RXF_SFMT_MULWU1, M32RXF_INSN_PAR_MULWU1, M32RXF_INSN_WRITE_MULWU1 },
  { M32R_INSN_MACLH1, M32RXF_INSN_MACLH1, M32RXF_SFMT_MACWU1, M32RXF_INSN_PAR_MACLH1, M32RXF_INSN_WRITE_MACLH1 },
  { M32R_INSN_SC, M32RXF_INSN_SC, M32RXF_SFMT_SC, M32RXF_INSN_PAR_SC, M32RXF_INSN_WRITE_SC },
  { M32R_INSN_SNC, M32RXF_INSN_SNC, M32RXF_SFMT_SC, M32RXF_INSN_PAR_SNC, M32RXF_INSN_WRITE_SNC },
  { M32R_INSN_CLRPSW, M32RXF_INSN_CLRPSW, M32RXF_SFMT_CLRPSW, M32RXF_INSN_PAR_CLRPSW, M32RXF_INSN_WRITE_CLRPSW },
  { M32R_INSN_SETPSW, M32RXF_INSN_SETPSW, M32RXF_SFMT_SETPSW, M32RXF_INSN_PAR_SETPSW, M32RXF_INSN_WRITE_SETPSW },
  { M32R_INSN_BSET, M32RXF_INSN_BSET, M32RXF_SFMT_BSET, NOPAR, NOPAR  },
  { M32R_INSN_BCLR, M32RXF_INSN_BCLR, M32RXF_SFMT_BSET, NOPAR, NOPAR  },
  { M32R_INSN_BTST, M32RXF_INSN_BTST, M32RXF_SFMT_BTST, M32RXF_INSN_PAR_BTST, M32RXF_INSN_WRITE_BTST },
};

static const struct insn_sem m32rxf_insn_sem_invalid = {
  VIRTUAL_INSN_X_INVALID, M32RXF_INSN_X_INVALID, M32RXF_SFMT_EMPTY, NOPAR, NOPAR
};

/* Initialize an IDESC from the compile-time computable parts.  */

static INLINE void
init_idesc (SIM_CPU *cpu, IDESC *id, const struct insn_sem *t)
{
  const CGEN_INSN *insn_table = CGEN_CPU_INSN_TABLE (CPU_CPU_DESC (cpu))->init_entries;

  id->num = t->index;
  id->sfmt = t->sfmt;
  if ((int) t->type <= 0)
    id->idata = & cgen_virtual_insn_table[- (int) t->type];
  else
    id->idata = & insn_table[t->type];
  id->attrs = CGEN_INSN_ATTRS (id->idata);
  /* Oh my god, a magic number.  */
  id->length = CGEN_INSN_BITSIZE (id->idata) / 8;

#if WITH_PROFILE_MODEL_P
  id->timing = & MODEL_TIMING (CPU_MODEL (cpu)) [t->index];
  {
    SIM_DESC sd = CPU_STATE (cpu);
    SIM_ASSERT (t->index == id->timing->num);
  }
#endif

  /* Semantic pointers are initialized elsewhere.  */
}

/* Initialize the instruction descriptor table.  */

void
m32rxf_init_idesc_table (SIM_CPU *cpu)
{
  IDESC *id,*tabend;
  const struct insn_sem *t,*tend;
  int tabsize = M32RXF_INSN__MAX;
  IDESC *table = m32rxf_insn_data;

  memset (table, 0, tabsize * sizeof (IDESC));

  /* First set all entries to the `invalid insn'.  */
  t = & m32rxf_insn_sem_invalid;
  for (id = table, tabend = table + tabsize; id < tabend; ++id)
    init_idesc (cpu, id, t);

  /* Now fill in the values for the chosen cpu.  */
  for (t = m32rxf_insn_sem, tend = t + sizeof (m32rxf_insn_sem) / sizeof (*t);
       t != tend; ++t)
    {
      init_idesc (cpu, & table[t->index], t);
      if (t->par_index != NOPAR)
	{
	  init_idesc (cpu, &table[t->par_index], t);
	  table[t->index].par_idesc = &table[t->par_index];
	}
      if (t->par_index != NOPAR)
	{
	  init_idesc (cpu, &table[t->write_index], t);
	  table[t->par_index].par_idesc = &table[t->write_index];
	}
    }

  /* Link the IDESC table into the cpu.  */
  CPU_IDESC (cpu) = table;
}

/* Given an instruction, return a pointer to its IDESC entry.  */

const IDESC *
m32rxf_decode (SIM_CPU *current_cpu, IADDR pc,
              CGEN_INSN_INT base_insn, CGEN_INSN_INT entire_insn,
              ARGBUF *abuf)
{
  /* Result of decoder.  */
  M32RXF_INSN_TYPE itype;

  {
    CGEN_INSN_INT insn = base_insn;

    {
      unsigned int val = (((insn >> 8) & (15 << 4)) | ((insn >> 4) & (15 << 0)));
      switch (val)
      {
      case 0 : itype = M32RXF_INSN_SUBV; goto extract_sfmt_addv;
      case 1 : itype = M32RXF_INSN_SUBX; goto extract_sfmt_addx;
      case 2 : itype = M32RXF_INSN_SUB; goto extract_sfmt_add;
      case 3 : itype = M32RXF_INSN_NEG; goto extract_sfmt_mv;
      case 4 : itype = M32RXF_INSN_CMP; goto extract_sfmt_cmp;
      case 5 : itype = M32RXF_INSN_CMPU; goto extract_sfmt_cmp;
      case 6 : itype = M32RXF_INSN_CMPEQ; goto extract_sfmt_cmp;
      case 7 :
        {
          unsigned int val = (((insn >> 8) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32RXF_INSN_CMPZ; goto extract_sfmt_cmpz;
          case 3 : itype = M32RXF_INSN_PCMPBZ; goto extract_sfmt_cmpz;
          default : itype = M32RXF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 8 : itype = M32RXF_INSN_ADDV; goto extract_sfmt_addv;
      case 9 : itype = M32RXF_INSN_ADDX; goto extract_sfmt_addx;
      case 10 : itype = M32RXF_INSN_ADD; goto extract_sfmt_add;
      case 11 : itype = M32RXF_INSN_NOT; goto extract_sfmt_mv;
      case 12 : itype = M32RXF_INSN_AND; goto extract_sfmt_add;
      case 13 : itype = M32RXF_INSN_XOR; goto extract_sfmt_add;
      case 14 : itype = M32RXF_INSN_OR; goto extract_sfmt_add;
      case 15 : itype = M32RXF_INSN_BTST; goto extract_sfmt_btst;
      case 16 : itype = M32RXF_INSN_SRL; goto extract_sfmt_add;
      case 18 : itype = M32RXF_INSN_SRA; goto extract_sfmt_add;
      case 20 : itype = M32RXF_INSN_SLL; goto extract_sfmt_add;
      case 22 : itype = M32RXF_INSN_MUL; goto extract_sfmt_add;
      case 24 : itype = M32RXF_INSN_MV; goto extract_sfmt_mv;
      case 25 : itype = M32RXF_INSN_MVFC; goto extract_sfmt_mvfc;
      case 26 : itype = M32RXF_INSN_MVTC; goto extract_sfmt_mvtc;
      case 28 :
        {
          unsigned int val = (((insn >> 8) & (3 << 0)));
          switch (val)
          {
          case 0 : itype = M32RXF_INSN_JC; goto extract_sfmt_jc;
          case 1 : itype = M32RXF_INSN_JNC; goto extract_sfmt_jc;
          case 2 : itype = M32RXF_INSN_JL; goto extract_sfmt_jl;
          case 3 : itype = M32RXF_INSN_JMP; goto extract_sfmt_jmp;
          default : itype = M32RXF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 29 : itype = M32RXF_INSN_RTE; goto extract_sfmt_rte;
      case 31 : itype = M32RXF_INSN_TRAP; goto extract_sfmt_trap;
      case 32 : itype = M32RXF_INSN_STB; goto extract_sfmt_stb;
      case 33 : itype = M32RXF_INSN_STB_PLUS; goto extract_sfmt_stb_plus;
      case 34 : itype = M32RXF_INSN_STH; goto extract_sfmt_sth;
      case 35 : itype = M32RXF_INSN_STH_PLUS; goto extract_sfmt_sth_plus;
      case 36 : itype = M32RXF_INSN_ST; goto extract_sfmt_st;
      case 37 : itype = M32RXF_INSN_UNLOCK; goto extract_sfmt_unlock;
      case 38 : itype = M32RXF_INSN_ST_PLUS; goto extract_sfmt_st_plus;
      case 39 : itype = M32RXF_INSN_ST_MINUS; goto extract_sfmt_st_plus;
      case 40 : itype = M32RXF_INSN_LDB; goto extract_sfmt_ldb;
      case 41 : itype = M32RXF_INSN_LDUB; goto extract_sfmt_ldb;
      case 42 : itype = M32RXF_INSN_LDH; goto extract_sfmt_ldh;
      case 43 : itype = M32RXF_INSN_LDUH; goto extract_sfmt_ldh;
      case 44 : itype = M32RXF_INSN_LD; goto extract_sfmt_ld;
      case 45 : itype = M32RXF_INSN_LOCK; goto extract_sfmt_lock;
      case 46 : itype = M32RXF_INSN_LD_PLUS; goto extract_sfmt_ld_plus;
      case 48 : /* fall through */
      case 56 : itype = M32RXF_INSN_MULHI_A; goto extract_sfmt_mulhi_a;
      case 49 : /* fall through */
      case 57 : itype = M32RXF_INSN_MULLO_A; goto extract_sfmt_mulhi_a;
      case 50 : /* fall through */
      case 58 : itype = M32RXF_INSN_MULWHI_A; goto extract_sfmt_mulhi_a;
      case 51 : /* fall through */
      case 59 : itype = M32RXF_INSN_MULWLO_A; goto extract_sfmt_mulhi_a;
      case 52 : /* fall through */
      case 60 : itype = M32RXF_INSN_MACHI_A; goto extract_sfmt_machi_a;
      case 53 : /* fall through */
      case 61 : itype = M32RXF_INSN_MACLO_A; goto extract_sfmt_machi_a;
      case 54 : /* fall through */
      case 62 : itype = M32RXF_INSN_MACWHI_A; goto extract_sfmt_machi_a;
      case 55 : /* fall through */
      case 63 : itype = M32RXF_INSN_MACWLO_A; goto extract_sfmt_machi_a;
      case 64 : /* fall through */
      case 65 : /* fall through */
      case 66 : /* fall through */
      case 67 : /* fall through */
      case 68 : /* fall through */
      case 69 : /* fall through */
      case 70 : /* fall through */
      case 71 : /* fall through */
      case 72 : /* fall through */
      case 73 : /* fall through */
      case 74 : /* fall through */
      case 75 : /* fall through */
      case 76 : /* fall through */
      case 77 : /* fall through */
      case 78 : /* fall through */
      case 79 : itype = M32RXF_INSN_ADDI; goto extract_sfmt_addi;
      case 80 : /* fall through */
      case 81 : itype = M32RXF_INSN_SRLI; goto extract_sfmt_slli;
      case 82 : /* fall through */
      case 83 : itype = M32RXF_INSN_SRAI; goto extract_sfmt_slli;