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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [opcodes/] [mips16-opc.c] - Blame information for rev 849

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1 227 jeremybenn 
/* mips16-opc.c.  Mips16 opcode table.
2 
   Copyright 1996, 1997, 1998, 2000, 2005, 2006, 2007
3 
   Free Software Foundation, Inc.
4 
   Contributed by Ian Lance Taylor, Cygnus Support
5 
 
6 
   This file is part of the GNU opcodes library.
7 
 
8 
   This library 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 3, or (at your option)
11 
   any later version.
12 
 
13 
   It is distributed in the hope that it will be useful, but WITHOUT
14 
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16 
   License for more details.
17 
 
18 
   You should have received a copy of the GNU General Public License
19 
   along with this file; see the file COPYING.  If not, write to the
20 
   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
21 
   MA 02110-1301, USA.  */
22 
 
23 
#include <stdio.h>
24 
#include "sysdep.h"
25 
#include "opcode/mips.h"
26 
 
27 
/* This is the opcodes table for the mips16 processor.  The format of
28 
   this table is intentionally identical to the one in mips-opc.c.
29 
   However, the special letters that appear in the argument string are
30 
   different, and the table uses some different flags.  */
31 
 
32 
/* Use some short hand macros to keep down the length of the lines in
33 
   the opcodes table.  */
34 
 
35 
#define UBD     INSN_UNCOND_BRANCH_DELAY
36 
#define BR      MIPS16_INSN_BRANCH
37 
 
38 
#define WR_x    MIPS16_INSN_WRITE_X
39 
#define WR_y    MIPS16_INSN_WRITE_Y
40 
#define WR_z    MIPS16_INSN_WRITE_Z
41 
#define WR_T    MIPS16_INSN_WRITE_T
42 
#define WR_SP   MIPS16_INSN_WRITE_SP
43 
#define WR_31   MIPS16_INSN_WRITE_31
44 
#define WR_Y    MIPS16_INSN_WRITE_GPR_Y
45 
 
46 
#define RD_x    MIPS16_INSN_READ_X
47 
#define RD_y    MIPS16_INSN_READ_Y
48 
#define RD_Z    MIPS16_INSN_READ_Z
49 
#define RD_T    MIPS16_INSN_READ_T
50 
#define RD_SP   MIPS16_INSN_READ_SP
51 
#define RD_31   MIPS16_INSN_READ_31
52 
#define RD_PC   MIPS16_INSN_READ_PC
53 
#define RD_X    MIPS16_INSN_READ_GPR_X
54 
 
55 
#define WR_HI   INSN_WRITE_HI
56 
#define WR_LO   INSN_WRITE_LO
57 
#define RD_HI   INSN_READ_HI
58 
#define RD_LO   INSN_READ_LO
59 
 
60 
#define TRAP    INSN_TRAP
61 
 
62 
#define I1      INSN_ISA1
63 
#define I3      INSN_ISA3
64 
#define I32     INSN_ISA32
65 
#define I64     INSN_ISA64
66 
#define T3      INSN_3900
67 
 
68 
const struct mips_opcode mips16_opcodes[] =
69 
{
70 
/* name,    args,       match,  mask,   pinfo,          pinfo2, membership */
71 
{"nop",     "",         0x6500, 0xffff, RD_Z,           0,       I1 }, /* move $0,$Z */
72 
{"la",      "x,A",      0x0800, 0xf800, WR_x|RD_PC,     0,       I1 },
73 
{"abs",     "x,w",      0, (int) M_ABS, INSN_MACRO,      0,       I1 },
74 
{"addiu",   "y,x,4",    0x4000, 0xf810, WR_y|RD_x,      0,       I1 },
75 
{"addiu",   "x,k",      0x4800, 0xf800, WR_x|RD_x,      0,       I1 },
76 
{"addiu",   "S,K",      0x6300, 0xff00, WR_SP|RD_SP,    0,       I1 },
77 
{"addiu",   "S,S,K",    0x6300, 0xff00, WR_SP|RD_SP,    0,       I1 },
78 
{"addiu",   "x,P,V",    0x0800, 0xf800, WR_x|RD_PC,     0,       I1 },
79 
{"addiu",   "x,S,V",    0x0000, 0xf800, WR_x|RD_SP,     0,       I1 },
80 
{"addu",    "z,v,y",    0xe001, 0xf803, WR_z|RD_x|RD_y, 0,       I1 },
81 
{"addu",    "y,x,4",    0x4000, 0xf810, WR_y|RD_x,      0,       I1 },
82 
{"addu",    "x,k",      0x4800, 0xf800, WR_x|RD_x,      0,       I1 },
83 
{"addu",    "S,K",      0x6300, 0xff00, WR_SP|RD_SP,    0,       I1 },
84 
{"addu",    "S,S,K",    0x6300, 0xff00, WR_SP|RD_SP,    0,       I1 },
85 
{"addu",    "x,P,V",    0x0800, 0xf800, WR_x|RD_PC,     0,       I1 },
86 
{"addu",    "x,S,V",    0x0000, 0xf800, WR_x|RD_SP,     0,       I1 },
87 
{"and",     "x,y",      0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0,       I1 },
88 
{"b",       "q",        0x1000, 0xf800, BR,             0,       I1 },
89 
{"beq",     "x,y,p",    0, (int) M_BEQ, INSN_MACRO,      0,       I1 },
90 
{"beq",     "x,U,p",    0, (int) M_BEQ_I, INSN_MACRO,    0,       I1 },
91 
{"beqz",    "x,p",      0x2000, 0xf800, BR|RD_x,        0,       I1 },
92 
{"bge",     "x,y,p",    0, (int) M_BGE, INSN_MACRO,      0,       I1 },
93 
{"bge",     "x,8,p",    0, (int) M_BGE_I, INSN_MACRO,    0,       I1 },
94 
{"bgeu",    "x,y,p",    0, (int) M_BGEU, INSN_MACRO,     0,       I1 },
95 
{"bgeu",    "x,8,p",    0, (int) M_BGEU_I, INSN_MACRO,   0,       I1 },
96 
{"bgt",     "x,y,p",    0, (int) M_BGT, INSN_MACRO,      0,       I1 },
97 
{"bgt",     "x,8,p",    0, (int) M_BGT_I, INSN_MACRO,    0,       I1 },
98 
{"bgtu",    "x,y,p",    0, (int) M_BGTU, INSN_MACRO,     0,       I1 },
99 
{"bgtu",    "x,8,p",    0, (int) M_BGTU_I, INSN_MACRO,   0,       I1 },
100 
{"ble",     "x,y,p",    0, (int) M_BLE, INSN_MACRO,      0,       I1 },
101 
{"ble",     "x,8,p",    0, (int) M_BLE_I, INSN_MACRO,    0,       I1 },
102 
{"bleu",    "x,y,p",    0, (int) M_BLEU, INSN_MACRO,     0,       I1 },
103 
{"bleu",    "x,8,p",    0, (int) M_BLEU_I, INSN_MACRO,   0,       I1 },
104 
{"blt",     "x,y,p",    0, (int) M_BLT, INSN_MACRO,      0,       I1 },
105 
{"blt",     "x,8,p",    0, (int) M_BLT_I, INSN_MACRO,    0,       I1 },
106 
{"bltu",    "x,y,p",    0, (int) M_BLTU, INSN_MACRO,     0,       I1 },
107 
{"bltu",    "x,8,p",    0, (int) M_BLTU_I, INSN_MACRO,   0,       I1 },
108 
{"bne",     "x,y,p",    0, (int) M_BNE, INSN_MACRO,      0,       I1 },
109 
{"bne",     "x,U,p",    0, (int) M_BNE_I, INSN_MACRO,    0,       I1 },
110 
{"bnez",    "x,p",      0x2800, 0xf800, BR|RD_x,        0,       I1 },
111 
{"break",   "6",        0xe805, 0xf81f, TRAP,           0,       I1 },
112 
{"bteqz",   "p",        0x6000, 0xff00, BR|RD_T,        0,       I1 },
113 
{"btnez",   "p",        0x6100, 0xff00, BR|RD_T,        0,       I1 },
114 
{"cmpi",    "x,U",      0x7000, 0xf800, WR_T|RD_x,      0,       I1 },
115 
{"cmp",     "x,y",      0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0,       I1 },
116 
{"cmp",     "x,U",      0x7000, 0xf800, WR_T|RD_x,      0,       I1 },
117 
{"dla",     "y,E",      0xfe00, 0xff00, WR_y|RD_PC,     0,       I3 },
118 
{"daddiu",  "y,x,4",    0x4010, 0xf810, WR_y|RD_x,      0,       I3 },
119 
{"daddiu",  "y,j",      0xfd00, 0xff00, WR_y|RD_y,      0,       I3 },
120 
{"daddiu",  "S,K",      0xfb00, 0xff00, WR_SP|RD_SP,    0,       I3 },
121 
{"daddiu",  "S,S,K",    0xfb00, 0xff00, WR_SP|RD_SP,    0,       I3 },
122 
{"daddiu",  "y,P,W",    0xfe00, 0xff00, WR_y|RD_PC,     0,       I3 },
123 
{"daddiu",  "y,S,W",    0xff00, 0xff00, WR_y|RD_SP,     0,       I3 },
124 
{"daddu",   "z,v,y",    0xe000, 0xf803, WR_z|RD_x|RD_y, 0,       I3 },
125 
{"daddu",   "y,x,4",    0x4010, 0xf810, WR_y|RD_x,      0,       I3 },
126 
{"daddu",   "y,j",      0xfd00, 0xff00, WR_y|RD_y,      0,       I3 },
127 
{"daddu",   "S,K",      0xfb00, 0xff00, WR_SP|RD_SP,    0,       I3 },
128 
{"daddu",   "S,S,K",    0xfb00, 0xff00, WR_SP|RD_SP,    0,       I3 },
129 
{"daddu",   "y,P,W",    0xfe00, 0xff00, WR_y|RD_PC,     0,       I3 },
130 
{"daddu",   "y,S,W",    0xff00, 0xff00, WR_y|RD_SP,     0,       I3 },
131 
{"ddiv",    "0,x,y",    0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I3 },
132 
{"ddiv",    "z,v,y",    0, (int) M_DDIV_3, INSN_MACRO,   0,       I1 },
133 
{"ddivu",   "0,x,y",    0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0,        I3 },
134 
{"ddivu",   "z,v,y",    0, (int) M_DDIVU_3, INSN_MACRO,  0,       I1 },
135 
{"div",     "0,x,y",    0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
136 
{"div",     "z,v,y",    0, (int) M_DIV_3, INSN_MACRO,    0,       I1 },
137 
{"divu",    "0,x,y",    0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
138 
{"divu",    "z,v,y",    0, (int) M_DIVU_3, INSN_MACRO,   0,       I1 },
139 
{"dmul",    "z,v,y",    0, (int) M_DMUL, INSN_MACRO,     0,       I3 },
140 
{"dmult",   "x,y",      0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0,        I3 },
141 
{"dmultu",  "x,y",      0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0,        I3 },
142 
{"drem",    "0,x,y",    0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0,        I3 },
143 
{"drem",    "z,v,y",    0, (int) M_DREM_3, INSN_MACRO,   0,       I1 },
144 
{"dremu",   "0,x,y",    0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0,        I3 },
145 
{"dremu",   "z,v,y",    0, (int) M_DREMU_3, INSN_MACRO,  0,       I1 },
146 
{"dsllv",   "y,x",      0xe814, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
147 
{"dsll",    "x,w,[",    0x3001, 0xf803, WR_x|RD_y,      0,       I3 },
148 
{"dsll",    "y,x",      0xe814, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
149 
{"dsrav",   "y,x",      0xe817, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
150 
{"dsra",    "y,]",      0xe813, 0xf81f, WR_y|RD_y,      0,       I3 },
151 
{"dsra",    "y,x",      0xe817, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
152 
{"dsrlv",   "y,x",      0xe816, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
153 
{"dsrl",    "y,]",      0xe808, 0xf81f, WR_y|RD_y,      0,       I3 },
154 
{"dsrl",    "y,x",      0xe816, 0xf81f, WR_y|RD_y|RD_x, 0,       I3 },
155 
{"dsubu",   "z,v,y",    0xe002, 0xf803, WR_z|RD_x|RD_y, 0,       I3 },
156 
{"dsubu",   "y,x,4",    0, (int) M_DSUBU_I, INSN_MACRO,  0,       I1 },
157 
{"dsubu",   "y,j",      0, (int) M_DSUBU_I_2, INSN_MACRO, 0,      I1 },
158 
{"exit",    "L",        0xed09, 0xff1f, TRAP,           0,       I1 },
159 
{"exit",    "L",        0xee09, 0xff1f, TRAP,           0,       I1 },
160 
{"exit",    "L",        0xef09, 0xff1f, TRAP,           0,       I1 },
161 
{"entry",   "l",        0xe809, 0xf81f, TRAP,           0,       I1 },
162 
{"extend",  "e",        0xf000, 0xf800, 0,               0,       I1 },
163 
{"jalr",    "x",        0xe840, 0xf8ff, UBD|WR_31|RD_x, 0,       I1 },
164 
{"jalr",    "R,x",      0xe840, 0xf8ff, UBD|WR_31|RD_x, 0,       I1 },
165 
{"jal",     "x",        0xe840, 0xf8ff, UBD|WR_31|RD_x, 0,       I1 },
166 
{"jal",     "R,x",      0xe840, 0xf8ff, UBD|WR_31|RD_x, 0,       I1 },
167 
{"jal",     "a",        0x1800, 0xfc00, UBD|WR_31,      0,       I1 },
168 
{"jalx",    "a",        0x1c00, 0xfc00, UBD|WR_31,      0,       I1 },
169 
{"jr",      "x",        0xe800, 0xf8ff, UBD|RD_x,       0,       I1 },
170 
{"jr",      "R",        0xe820, 0xffff, UBD|RD_31,      0,       I1 },
171 
{"j",       "x",        0xe800, 0xf8ff, UBD|RD_x,       0,       I1 },
172 
{"j",       "R",        0xe820, 0xffff, UBD|RD_31,      0,       I1 },
173 
{"lb",      "y,5(x)",   0x8000, 0xf800, WR_y|RD_x,      0,       I1 },
174 
{"lbu",     "y,5(x)",   0xa000, 0xf800, WR_y|RD_x,      0,       I1 },
175 
{"ld",      "y,D(x)",   0x3800, 0xf800, WR_y|RD_x,      0,       I3 },
176 
{"ld",      "y,B",      0xfc00, 0xff00, WR_y|RD_PC,     0,       I3 },
177 
{"ld",      "y,D(P)",   0xfc00, 0xff00, WR_y|RD_PC,     0,       I3 },
178 
{"ld",      "y,D(S)",   0xf800, 0xff00, WR_y|RD_SP,     0,       I3 },
179 
{"lh",      "y,H(x)",   0x8800, 0xf800, WR_y|RD_x,      0,       I1 },
180 
{"lhu",     "y,H(x)",   0xa800, 0xf800, WR_y|RD_x,      0,       I1 },
181 
{"li",      "x,U",      0x6800, 0xf800, WR_x,           0,       I1 },
182 
{"lw",      "y,W(x)",   0x9800, 0xf800, WR_y|RD_x,      0,       I1 },
183 
{"lw",      "x,A",      0xb000, 0xf800, WR_x|RD_PC,     0,       I1 },
184 
{"lw",      "x,V(P)",   0xb000, 0xf800, WR_x|RD_PC,     0,       I1 },
185 
{"lw",      "x,V(S)",   0x9000, 0xf800, WR_x|RD_SP,     0,       I1 },
186 
{"lwu",     "y,W(x)",   0xb800, 0xf800, WR_y|RD_x,      0,       I3 },
187 
{"mfhi",    "x",        0xe810, 0xf8ff, WR_x|RD_HI,     0,       I1 },
188 
{"mflo",    "x",        0xe812, 0xf8ff, WR_x|RD_LO,     0,       I1 },
189 
{"move",    "y,X",      0x6700, 0xff00, WR_y|RD_X,      0,       I1 },
190 
{"move",    "Y,Z",      0x6500, 0xff00, WR_Y|RD_Z,      0,       I1 },
191 
{"mul",     "z,v,y",    0, (int) M_MUL, INSN_MACRO,      0,       I1 },
192 
{"mult",    "x,y",      0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
193 
{"multu",   "x,y",      0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
194 
{"neg",     "x,w",      0xe80b, 0xf81f, WR_x|RD_y,      0,       I1 },
195 
{"not",     "x,w",      0xe80f, 0xf81f, WR_x|RD_y,      0,       I1 },
196 
{"or",      "x,y",      0xe80d, 0xf81f, WR_x|RD_x|RD_y, 0,       I1 },
197 
{"rem",     "0,x,y",    0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
198 
{"rem",     "z,v,y",    0, (int) M_REM_3, INSN_MACRO,    0,       I1 },
199 
{"remu",    "0,x,y",    0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO,  0,       I1 },
200 
{"remu",    "z,v,y",    0, (int) M_REMU_3, INSN_MACRO,   0,       I1 },
201 
{"sb",      "y,5(x)",   0xc000, 0xf800, RD_y|RD_x,      0,       I1 },
202 
{"sd",      "y,D(x)",   0x7800, 0xf800, RD_y|RD_x,      0,       I3 },
203 
{"sd",      "y,D(S)",   0xf900, 0xff00, RD_y|RD_PC,     0,       I3 },
204 
{"sd",      "R,C(S)",   0xfa00, 0xff00, RD_31|RD_PC,    0,       I1 },
205 
{"sh",      "y,H(x)",   0xc800, 0xf800, RD_y|RD_x,      0,       I1 },
206 
{"sllv",    "y,x",      0xe804, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
207 
{"sll",     "x,w,<",    0x3000, 0xf803, WR_x|RD_y,      0,       I1 },
208 
{"sll",     "y,x",      0xe804, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
209 
{"slti",    "x,8",      0x5000, 0xf800, WR_T|RD_x,      0,       I1 },
210 
{"slt",     "x,y",      0xe802, 0xf81f, WR_T|RD_x|RD_y, 0,       I1 },
211 
{"slt",     "x,8",      0x5000, 0xf800, WR_T|RD_x,      0,       I1 },
212 
{"sltiu",   "x,8",      0x5800, 0xf800, WR_T|RD_x,      0,       I1 },
213 
{"sltu",    "x,y",      0xe803, 0xf81f, WR_T|RD_x|RD_y, 0,       I1 },
214 
{"sltu",    "x,8",      0x5800, 0xf800, WR_T|RD_x,      0,       I1 },
215 
{"srav",    "y,x",      0xe807, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
216 
{"sra",     "x,w,<",    0x3003, 0xf803, WR_x|RD_y,      0,       I1 },
217 
{"sra",     "y,x",      0xe807, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
218 
{"srlv",    "y,x",      0xe806, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
219 
{"srl",     "x,w,<",    0x3002, 0xf803, WR_x|RD_y,      0,       I1 },
220 
{"srl",     "y,x",      0xe806, 0xf81f, WR_y|RD_y|RD_x, 0,       I1 },
221 
{"subu",    "z,v,y",    0xe003, 0xf803, WR_z|RD_x|RD_y, 0,       I1 },
222 
{"subu",    "y,x,4",    0, (int) M_SUBU_I, INSN_MACRO,   0,       I1 },
223 
{"subu",    "x,k",      0, (int) M_SUBU_I_2, INSN_MACRO,0,        I1 },
224 
{"sw",      "y,W(x)",   0xd800, 0xf800, RD_y|RD_x,      0,       I1 },
225 
{"sw",      "x,V(S)",   0xd000, 0xf800, RD_x|RD_SP,     0,       I1 },
226 
{"sw",      "R,V(S)",   0x6200, 0xff00, RD_31|RD_SP,    0,       I1 },
227 
{"xor",     "x,y",      0xe80e, 0xf81f, WR_x|RD_x|RD_y, 0,       I1 },
228 
  /* MIPS16e additions */
229 
{"jalrc",   "x",        0xe8c0, 0xf8ff, WR_31|RD_x|TRAP, 0,     I32 },
230 
{"jalrc",   "R,x",      0xe8c0, 0xf8ff, WR_31|RD_x|TRAP, 0,     I32 },
231 
{"jrc",     "x",        0xe880, 0xf8ff, RD_x|TRAP,      0,      I32 },
232 
{"jrc",     "R",        0xe8a0, 0xffff, RD_31|TRAP,     0,      I32 },
233 
{"restore", "M",        0x6400, 0xff80, WR_31|RD_SP|WR_SP|TRAP, 0,       I32 },
234 
{"save",    "m",        0x6480, 0xff80, RD_31|RD_SP|WR_SP|TRAP, 0,       I32 },
235 
{"sdbbp",   "6",        0xe801, 0xf81f, TRAP,           0,       I32 },
236 
{"seb",     "x",        0xe891, 0xf8ff, WR_x|RD_x,      0,      I32 },
237 
{"seh",     "x",        0xe8b1, 0xf8ff, WR_x|RD_x,      0,      I32 },
238 
{"sew",     "x",        0xe8d1, 0xf8ff, WR_x|RD_x,      0,      I64 },
239 
{"zeb",     "x",        0xe811, 0xf8ff, WR_x|RD_x,      0,      I32 },
240 
{"zeh",     "x",        0xe831, 0xf8ff, WR_x|RD_x,      0,      I32 },
241 
{"zew",     "x",        0xe851, 0xf8ff, WR_x|RD_x,      0,      I64 },
242 
};
243 
 
244 
const int bfd_mips16_num_opcodes =
245 
  ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));

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