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1 106 markom
/* mips16-opc.c.  Mips16 opcode table.
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   Copyright 1996, 1997 Free Software Foundation, Inc.
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   Contributed by Ian Lance Taylor, Cygnus Support
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This file is part of GDB, GAS, and the GNU binutils.
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GDB, GAS, and the GNU binutils are free software; you can redistribute
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them and/or modify them under the terms of the GNU General Public
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License as published by the Free Software Foundation; either version
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1, or (at your option) any later version.
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GDB, GAS, and the GNU binutils are distributed in the hope that they
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will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this file; see the file COPYING.  If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.  */
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#include <stdio.h>
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#include "ansidecl.h"
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#include "opcode/mips.h"
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/* This is the opcodes table for the mips16 processor.  The format of
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   this table is intentionally identical to the one in mips-opc.c.
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   However, the special letters that appear in the argument string are
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   different, and the table uses some different flags.  */
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/* Use some short hand macros to keep down the length of the lines in
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   the opcodes table.  */
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#define UBD     INSN_UNCOND_BRANCH_DELAY
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#define BR      MIPS16_INSN_BRANCH
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#define WR_x    MIPS16_INSN_WRITE_X
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#define WR_y    MIPS16_INSN_WRITE_Y
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#define WR_z    MIPS16_INSN_WRITE_Z
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#define WR_T    MIPS16_INSN_WRITE_T
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#define WR_SP   MIPS16_INSN_WRITE_SP
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#define WR_31   MIPS16_INSN_WRITE_31
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#define WR_Y    MIPS16_INSN_WRITE_GPR_Y
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#define RD_x    MIPS16_INSN_READ_X
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#define RD_y    MIPS16_INSN_READ_Y
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#define RD_Z    MIPS16_INSN_READ_Z
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#define RD_T    MIPS16_INSN_READ_T
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#define RD_SP   MIPS16_INSN_READ_SP
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#define RD_31   MIPS16_INSN_READ_31
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#define RD_PC   MIPS16_INSN_READ_PC
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#define RD_X    MIPS16_INSN_READ_GPR_X
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#define WR_HI   INSN_WRITE_HI
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#define WR_LO   INSN_WRITE_LO
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#define RD_HI   INSN_READ_HI
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#define RD_LO   INSN_READ_LO
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#define TRAP    INSN_TRAP
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#define I3      INSN_ISA3
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#define T3      INSN_3900
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const struct mips_opcode mips16_opcodes[] = {
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{"nop",     "",         0x6500, 0xffff, RD_Z }, /* move $0,$Z */
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{"la",      "x,A",      0x0800, 0xf800, WR_x|RD_PC },
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{"abs",     "x,w",      0, (int) M_ABS, INSN_MACRO },
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{"addiu",   "y,x,4",    0x4000, 0xf810, WR_y|RD_x },
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{"addiu",   "x,k",      0x4800, 0xf800, WR_x|RD_x },
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{"addiu",   "S,K",      0x6300, 0xff00, WR_SP|RD_SP },
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{"addiu",   "S,S,K",    0x6300, 0xff00, WR_SP|RD_SP },
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{"addiu",   "x,P,V",    0x0800, 0xf800, WR_x|RD_PC },
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{"addiu",   "x,S,V",    0x0000, 0xf800, WR_x|RD_SP },
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{"addu",    "z,v,y",    0xe001, 0xf803, WR_z|RD_x|RD_y },
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{"addu",    "y,x,4",    0x4000, 0xf810, WR_y|RD_x },
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{"addu",    "x,k",      0x4800, 0xf800, WR_x|RD_x },
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{"addu",    "S,K",      0x6300, 0xff00, WR_SP|RD_SP },
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{"addu",    "S,S,K",    0x6300, 0xff00, WR_SP|RD_SP },
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{"addu",    "x,P,V",    0x0800, 0xf800, WR_x|RD_PC },
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{"addu",    "x,S,V",    0x0000, 0xf800, WR_x|RD_SP },
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{"and",     "x,y",      0xe80c, 0xf81f, WR_x|RD_x|RD_y },
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{"b",       "q",        0x1000, 0xf800, BR},
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{"beq",     "x,y,p",    0, (int) M_BEQ, INSN_MACRO },
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{"beq",     "x,U,p",    0, (int) M_BEQ_I, INSN_MACRO },
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{"beqz",    "x,p",      0x2000, 0xf800, BR|RD_x },
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{"bge",     "x,y,p",    0, (int) M_BGE, INSN_MACRO },
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{"bge",     "x,8,p",    0, (int) M_BGE_I, INSN_MACRO },
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{"bgeu",    "x,y,p",    0, (int) M_BGEU, INSN_MACRO },
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{"bgeu",    "x,8,p",    0, (int) M_BGEU_I, INSN_MACRO },
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{"bgt",     "x,y,p",    0, (int) M_BGT, INSN_MACRO },
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{"bgt",     "x,8,p",    0, (int) M_BGT_I, INSN_MACRO },
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{"bgtu",    "x,y,p",    0, (int) M_BGTU, INSN_MACRO },
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{"bgtu",    "x,8,p",    0, (int) M_BGTU_I, INSN_MACRO },
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{"ble",     "x,y,p",    0, (int) M_BLE, INSN_MACRO },
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{"ble",     "x,8,p",    0, (int) M_BLE_I, INSN_MACRO },
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{"bleu",    "x,y,p",    0, (int) M_BLEU, INSN_MACRO },
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{"bleu",    "x,8,p",    0, (int) M_BLEU_I, INSN_MACRO },
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{"blt",     "x,y,p",    0, (int) M_BLT, INSN_MACRO },
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{"blt",     "x,8,p",    0, (int) M_BLT_I, INSN_MACRO },
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{"bltu",    "x,y,p",    0, (int) M_BLTU, INSN_MACRO },
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{"bltu",    "x,8,p",    0, (int) M_BLTU_I, INSN_MACRO },
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{"bne",     "x,y,p",    0, (int) M_BNE, INSN_MACRO },
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{"bne",     "x,U,p",    0, (int) M_BNE_I, INSN_MACRO },
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{"bnez",    "x,p",      0x2800, 0xf800, BR|RD_x },
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{"break",   "6",        0xe805, 0xf81f, TRAP },
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{"bteqz",   "p",        0x6000, 0xff00, BR|RD_T },
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{"btnez",   "p",        0x6100, 0xff00, BR|RD_T },
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{"cmpi",    "x,U",      0x7000, 0xf800, WR_T|RD_x },
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{"cmp",     "x,y",      0xe80a, 0xf81f, WR_T|RD_x|RD_y },
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{"cmp",     "x,U",      0x7000, 0xf800, WR_T|RD_x },
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{"dla",     "y,E",      0xfe00, 0xff00, WR_y|RD_PC, I3 },
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{"daddiu",  "y,x,4",    0x4010, 0xf810, WR_y|RD_x, I3 },
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{"daddiu",  "y,j",      0xfd00, 0xff00, WR_y|RD_y, I3 },
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{"daddiu",  "S,K",      0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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{"daddiu",  "S,S,K",    0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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{"daddiu",  "y,P,W",    0xfe00, 0xff00, WR_y|RD_PC, I3 },
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{"daddiu",  "y,S,W",    0xff00, 0xff00, WR_y|RD_SP, I3 },
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{"daddu",   "z,v,y",    0xe000, 0xf803, WR_z|RD_x|RD_y, I3 },
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{"daddu",   "y,x,4",    0x4010, 0xf810, WR_y|RD_x, I3 },
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{"daddu",   "y,j",      0xfd00, 0xff00, WR_y|RD_y, I3 },
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{"daddu",   "S,K",      0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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{"daddu",   "S,S,K",    0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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{"daddu",   "y,P,W",    0xfe00, 0xff00, WR_y|RD_PC, I3 },
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{"daddu",   "y,S,W",    0xff00, 0xff00, WR_y|RD_SP, I3 },
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{"ddiv",    "0,x,y",    0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"ddiv",    "z,v,y",    0, (int) M_DDIV_3, INSN_MACRO },
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{"ddivu",   "0,x,y",    0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"ddivu",   "z,v,y",    0, (int) M_DDIVU_3, INSN_MACRO },
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{"div",     "0,x,y",    0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
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{"div",     "z,v,y",    0, (int) M_DIV_3, INSN_MACRO },
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{"divu",    "0,x,y",    0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
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{"divu",    "z,v,y",    0, (int) M_DIVU_3, INSN_MACRO },
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{"dmul",    "z,v,y",    0, (int) M_DMUL, INSN_MACRO, I3 },
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{"dmult",   "x,y",      0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"dmultu",  "x,y",      0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"drem",    "0,x,y",    0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"drem",    "z,v,y",    0, (int) M_DREM_3, INSN_MACRO },
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{"dremu",   "0,x,y",    0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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{"dremu",   "z,v,y",    0, (int) M_DREMU_3, INSN_MACRO },
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{"dsllv",   "y,x",      0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsll",    "x,w,[",    0x3001, 0xf803, WR_x|RD_y, I3 },
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{"dsll",    "y,x",      0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsrav",   "y,x",      0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsra",    "y,]",      0xe813, 0xf81f, WR_y|RD_y, I3 },
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{"dsra",    "y,x",      0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsrlv",   "y,x",      0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsrl",    "y,]",      0xe808, 0xf81f, WR_y|RD_y, I3 },
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{"dsrl",    "y,x",      0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
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{"dsubu",   "z,v,y",    0xe002, 0xf803, WR_z|RD_x|RD_y, I3 },
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{"dsubu",   "y,x,4",    0, (int) M_DSUBU_I, INSN_MACRO },
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{"dsubu",   "y,j",      0, (int) M_DSUBU_I_2, INSN_MACRO },
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{"exit",    "L",        0xed09, 0xff1f, TRAP },
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{"exit",    "L",        0xee09, 0xff1f, TRAP },
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{"exit",    "L",        0xef09, 0xff1f, TRAP },
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{"entry",   "l",        0xe809, 0xf81f, TRAP },
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{"extend",  "e",        0xf000, 0xf800, 0 },
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{"jalr",    "x",        0xe840, 0xf8ff, UBD|WR_31|RD_x },
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{"jalr",    "R,x",      0xe840, 0xf8ff, UBD|WR_31|RD_x },
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{"jal",     "x",        0xe840, 0xf8ff, UBD|WR_31|RD_x },
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{"jal",     "R,x",      0xe840, 0xf8ff, UBD|WR_31|RD_x },
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{"jal",     "a",        0x1800, 0xfc00, UBD|WR_31 },
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{"jalx",    "a",        0x1c00, 0xfc00, UBD|WR_31 },
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{"jr",      "x",        0xe800, 0xf8ff, UBD|RD_x },
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{"jr",      "R",        0xe820, 0xffff, UBD|RD_31 },
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{"j",       "x",        0xe800, 0xf8ff, UBD|RD_x },
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{"j",       "R",        0xe820, 0xffff, UBD|RD_31 },
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{"lb",      "y,5(x)",   0x8000, 0xf800, WR_y|RD_x },
169
{"lbu",     "y,5(x)",   0xa000, 0xf800, WR_y|RD_x },
170
{"ld",      "y,D(x)",   0x3800, 0xf800, WR_y|RD_x, I3 },
171
{"ld",      "y,B",      0xfc00, 0xff00, WR_y|RD_PC, I3 },
172
{"ld",      "y,D(P)",   0xfc00, 0xff00, WR_y|RD_PC, I3 },
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{"ld",      "y,D(S)",   0xf800, 0xff00, WR_y|RD_SP, I3 },
174
{"lh",      "y,H(x)",   0x8800, 0xf800, WR_y|RD_x },
175
{"lhu",     "y,H(x)",   0xa800, 0xf800, WR_y|RD_x },
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{"li",      "x,U",      0x6800, 0xf800, WR_x },
177
{"lw",      "y,W(x)",   0x9800, 0xf800, WR_y|RD_x },
178
{"lw",      "x,A",      0xb000, 0xf800, WR_x|RD_PC },
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{"lw",      "x,V(P)",   0xb000, 0xf800, WR_x|RD_PC },
180
{"lw",      "x,V(S)",   0x9000, 0xf800, WR_x|RD_SP },
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{"lwu",     "y,W(x)",   0xb800, 0xf800, WR_y|RD_x, I3 },
182
{"mfhi",    "x",        0xe810, 0xf8ff, WR_x|RD_HI },
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{"mflo",    "x",        0xe812, 0xf8ff, WR_x|RD_LO },
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{"move",    "y,X",      0x6700, 0xff00, WR_y|RD_X },
185
{"move",    "Y,Z",      0x6500, 0xff00, WR_Y|RD_Z },
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{"mul",     "z,v,y",    0, (int) M_MUL, INSN_MACRO },
187
{"mult",    "x,y",      0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
188
{"multu",   "x,y",      0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
189
{"neg",     "x,w",      0xe80b, 0xf81f, WR_x|RD_y },
190
{"not",     "x,w",      0xe80f, 0xf81f, WR_x|RD_y },
191
{"or",      "x,y",      0xe80d, 0xf81f, WR_x|RD_x|RD_y },
192
{"rem",     "0,x,y",    0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
193
{"rem",     "z,v,y",    0, (int) M_REM_3, INSN_MACRO },
194
{"remu",    "0,x,y",    0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO },
195
{"remu",    "z,v,y",    0, (int) M_REMU_3, INSN_MACRO },
196
{"sb",      "y,5(x)",   0xc000, 0xf800, RD_y|RD_x },
197
{"sd",      "y,D(x)",   0x7800, 0xf800, RD_y|RD_x, I3 },
198
{"sd",      "y,D(S)",   0xf900, 0xff00, RD_y|RD_PC, I3 },
199
{"sd",      "R,C(S)",   0xfa00, 0xff00, RD_31|RD_PC },
200
{"sh",      "y,H(x)",   0xc800, 0xf800, RD_y|RD_x },
201
{"sllv",    "y,x",      0xe804, 0xf81f, WR_y|RD_y|RD_x },
202
{"sll",     "x,w,<",    0x3000, 0xf803, WR_x|RD_y },
203
{"sll",     "y,x",      0xe804, 0xf81f, WR_y|RD_y|RD_x },
204
{"slti",    "x,8",      0x5000, 0xf800, WR_T|RD_x },
205
{"slt",     "x,y",      0xe802, 0xf81f, WR_T|RD_x|RD_y },
206
{"slt",     "x,8",      0x5000, 0xf800, WR_T|RD_x },
207
{"sltiu",   "x,8",      0x5800, 0xf800, WR_T|RD_x },
208
{"sltu",    "x,y",      0xe803, 0xf81f, WR_T|RD_x|RD_y },
209
{"sltu",    "x,8",      0x5800, 0xf800, WR_T|RD_x },
210
{"srav",    "y,x",      0xe807, 0xf81f, WR_y|RD_y|RD_x },
211
{"sra",     "x,w,<",    0x3003, 0xf803, WR_x|RD_y },
212
{"sra",     "y,x",      0xe807, 0xf81f, WR_y|RD_y|RD_x },
213
{"srlv",    "y,x",      0xe806, 0xf81f, WR_y|RD_y|RD_x },
214
{"srl",     "x,w,<",    0x3002, 0xf803, WR_x|RD_y },
215
{"srl",     "y,x",      0xe806, 0xf81f, WR_y|RD_y|RD_x },
216
{"subu",    "z,v,y",    0xe003, 0xf803, WR_z|RD_x|RD_y },
217
{"subu",    "y,x,4",    0, (int) M_SUBU_I, INSN_MACRO },
218
{"subu",    "x,k",      0, (int) M_SUBU_I_2, INSN_MACRO },
219
{"sw",      "y,W(x)",   0xd800, 0xf800, RD_y|RD_x },
220
{"sw",      "x,V(S)",   0xd000, 0xf800, RD_x|RD_SP },
221
{"sw",      "R,V(S)",   0x6200, 0xff00, RD_31|RD_SP },
222
{"xor",     "x,y",      0xe80e, 0xf81f, WR_x|RD_x|RD_y },
223
};
224
 
225
const int bfd_mips16_num_opcodes =
226
  ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));

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