gas/config/itbl-mips.h

   1
   2 /* itbl-mips.h
   3
   4    Copyright 1997 Free Software Foundation, Inc.
   5
   6    This file is part of GAS, the GNU Assembler.
   7
   8    GAS is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2, or (at your option)
  11    any later version.
  12
  13    GAS is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GAS; see the file COPYING.  If not, write to the Free
  20    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  21    02110-1301, USA.  */
  22
  23 /* Defines for Mips itbl cop support */
  24
  25 #include "opcode/mips.h"
  26
  27 /* Values for processors will be from 0 to NUMBER_OF_PROCESSORS-1 */
  28 #define NUMBER_OF_PROCESSORS 4
  29 #define MAX_BITPOS 31
  30
  31 /* Mips specifics */
  32 #define MIPS_OPCODE_COP0 (0x21) /* COPz+CO, bits 31-25: 0100zz1 */
  33 #define MIPS_ENCODE_COP_NUM(z) ((MIPS_OPCODE_COP0|z<<1)<<25)
  34 #define MIPS_IS_COP_INSN(insn) ((MIPS_OPCODE_COP0&(insn>>25)) \
  35         == MIPS_OPCODE_COP0)
  36 #define MIPS_DECODE_COP_NUM(insn) ((~MIPS_OPCODE_COP0&(insn>>25))>>1)
  37 #define MIPS_DECODE_COP_COFUN(insn) ((~MIPS_ENCODE_COP_NUM(3))&(insn))
  38
  39 /* definitions required by generic code */
  40 #define ITBL_IS_INSN(insn) MIPS_IS_COP_INSN(insn)
  41 #define ITBL_DECODE_PNUM(insn) MIPS_DECODE_COP_NUM(insn)
  42 #define ITBL_ENCODE_PNUM(pnum) MIPS_ENCODE_COP_NUM(pnum)
  43
  44 #define ITBL_OPCODE_STRUCT mips_opcode
  45 #define ITBL_OPCODES mips_opcodes
  46 #define ITBL_NUM_OPCODES NUMOPCODES
  47 #define ITBL_NUM_MACROS M_NUM_MACROS