mips16-opc.c revision 1.1.1.4
1/* mips16-opc.c.  Mips16 opcode table.
2   Copyright (C) 1996-2015 Free Software Foundation, Inc.
3   Contributed by Ian Lance Taylor, Cygnus Support
4
5   This file is part of the GNU opcodes library.
6
7   This library is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   It is distributed in the hope that it will be useful, but WITHOUT
13   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15   License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this file; see the file COPYING.  If not, write to the
19   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20   MA 02110-1301, USA.  */
21
22#include "sysdep.h"
23#include <stdio.h>
24#include "opcode/mips.h"
25#include "mips-formats.h"
26
27static unsigned char reg_0_map[] = { 0 };
28static unsigned char reg_29_map[] = { 29 };
29static unsigned char reg_31_map[] = { 31 };
30static unsigned char reg_m16_map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
31static unsigned char reg32r_map[] = {
32  0, 8, 16, 24,
33  1, 9, 17, 25,
34  2, 10, 18, 26,
35  3, 11, 19, 27,
36  4, 12, 20, 28,
37  5, 13, 21, 29,
38  6, 14, 22, 30,
39  7, 15, 23, 31
40};
41
42/* Return the meaning of operand character TYPE, or null if it isn't
43   recognized.  If the operand is affected by the EXTEND instruction,
44   EXTENDED_P selects between the extended and unextended forms.
45   The extended forms all have an lsb of 0.  */
46
47const struct mips_operand *
48decode_mips16_operand (char type, bfd_boolean extended_p)
49{
50  switch (type)
51    {
52    case '0': MAPPED_REG (0, 0, GP, reg_0_map);
53
54    case 'L': SPECIAL (6, 5, ENTRY_EXIT_LIST);
55    case 'M': SPECIAL (7, 0, SAVE_RESTORE_LIST);
56    case 'P': SPECIAL (0, 0, PC);
57    case 'R': MAPPED_REG (0, 0, GP, reg_31_map);
58    case 'S': MAPPED_REG (0, 0, GP, reg_29_map);
59    case 'X': REG (5, 0, GP);
60    case 'Y': MAPPED_REG (5, 3, GP, reg32r_map);
61    case 'Z': MAPPED_REG (3, 0, GP, reg_m16_map);
62
63    case 'a': JUMP (26, 0, 2);
64    case 'e': UINT (11, 0);
65    case 'i': JALX (26, 0, 2);
66    case 'l': SPECIAL (6, 5, ENTRY_EXIT_LIST);
67    case 'm': SPECIAL (7, 0, SAVE_RESTORE_LIST);
68    case 'v': OPTIONAL_MAPPED_REG (3, 8, GP, reg_m16_map);
69    case 'w': OPTIONAL_MAPPED_REG (3, 5, GP, reg_m16_map);
70    case 'x': MAPPED_REG (3, 8, GP, reg_m16_map);
71    case 'y': MAPPED_REG (3, 5, GP, reg_m16_map);
72    case 'z': MAPPED_REG (3, 2, GP, reg_m16_map);
73    }
74
75  if (extended_p)
76    switch (type)
77      {
78      case '<': UINT (5, 0);
79      case '>': UINT (5, 0);
80      case '[': UINT (6, 0);
81      case ']': UINT (6, 0);
82
83      case '4': SINT (15, 0);
84      case '5': SINT (16, 0);
85      case '6': SINT (16, 0);
86      case '8': SINT (16, 0);
87
88      case 'A': PCREL (16, 0, TRUE, 0, 2, FALSE, FALSE);
89      case 'B': PCREL (16, 0, TRUE, 0, 3, FALSE, FALSE);
90      case 'C': SINT (16, 0);
91      case 'D': SINT (16, 0);
92      case 'E': PCREL (16, 0, TRUE, 0, 2, FALSE, FALSE);
93      case 'H': SINT (16, 0);
94      case 'K': SINT (16, 0);
95      case 'U': UINT (16, 0);
96      case 'V': SINT (16, 0);
97      case 'W': SINT (16, 0);
98
99      case 'j': SINT (16, 0);
100      case 'k': SINT (16, 0);
101      case 'p': BRANCH (16, 0, 1);
102      case 'q': BRANCH (16, 0, 1);
103      }
104  else
105    switch (type)
106      {
107      case '<': INT_ADJ (3, 2, 8, 0, FALSE);
108      case '>': INT_ADJ (3, 8, 8, 0, FALSE);
109      case '[': INT_ADJ (3, 2, 8, 0, FALSE);
110      case ']': INT_ADJ (3, 8, 8, 0, FALSE);
111
112      case '4': SINT (4, 0);
113      case '5': UINT (5, 0);
114      case '6': UINT (6, 5);
115      case '8': UINT (8, 0);
116
117      case 'A': PCREL (8, 0, FALSE, 2, 2, FALSE, FALSE);
118      case 'B': PCREL (5, 0, FALSE, 3, 3, FALSE, FALSE);
119      case 'C': INT_ADJ (8, 0, 255, 3, FALSE);	/* (0 .. 255) << 3 */
120      case 'D': INT_ADJ (5, 0, 31, 3, FALSE);	/* (0 .. 31) << 3 */
121      case 'E': PCREL (5, 0, FALSE, 2, 2, FALSE, FALSE);
122      case 'H': INT_ADJ (5, 0, 31, 1, FALSE);	/* (0 .. 31) << 1 */
123      case 'K': INT_ADJ (8, 0, 127, 3, FALSE);	/* (-128 .. 127) << 3 */
124      case 'U': UINT (8, 0);
125      case 'V': INT_ADJ (8, 0, 255, 2, FALSE);	/* (0 .. 255) << 2 */
126      case 'W': INT_ADJ (5, 0, 31, 2, FALSE);	/* (0 .. 31) << 2 */
127
128      case 'j': SINT (5, 0);
129      case 'k': SINT (8, 0);
130      case 'p': BRANCH (8, 0, 1);
131      case 'q': BRANCH (11, 0, 1);
132      }
133  return 0;
134}
135
136/* This is the opcodes table for the mips16 processor.  The format of
137   this table is intentionally identical to the one in mips-opc.c.
138   However, the special letters that appear in the argument string are
139   different, and the table uses some different flags.  */
140
141/* Use some short hand macros to keep down the length of the lines in
142   the opcodes table.  */
143
144#define UBD     INSN_UNCOND_BRANCH_DELAY
145
146#define WR_1	INSN_WRITE_1
147#define WR_2	INSN_WRITE_2
148#define RD_1	INSN_READ_1
149#define RD_2	INSN_READ_2
150#define RD_3	INSN_READ_3
151#define RD_4	INSN_READ_4
152#define MOD_1	(WR_1|RD_1)
153#define MOD_2	(WR_2|RD_2)
154
155#define RD_T	INSN_READ_GPR_24
156#define WR_T	INSN_WRITE_GPR_24
157#define WR_31	INSN_WRITE_GPR_31
158
159#define WR_HI	INSN_WRITE_HI
160#define WR_LO	INSN_WRITE_LO
161#define RD_HI	INSN_READ_HI
162#define RD_LO	INSN_READ_LO
163
164#define NODS	INSN_NO_DELAY_SLOT
165#define TRAP	INSN_NO_DELAY_SLOT
166
167#define RD_16	INSN2_READ_GPR_16
168#define RD_SP	INSN2_READ_SP
169#define WR_SP	INSN2_WRITE_SP
170#define MOD_SP	(RD_SP|WR_SP)
171#define RD_31	INSN2_READ_GPR_31
172#define RD_PC	INSN2_READ_PC
173#define UBR	INSN2_UNCOND_BRANCH
174#define CBR	INSN2_COND_BRANCH
175
176#define I1	INSN_ISA1
177#define I3	INSN_ISA3
178#define I32	INSN_ISA32
179#define I64	INSN_ISA64
180#define T3	INSN_3900
181
182const struct mips_opcode mips16_opcodes[] =
183{
184/* name,    args,	match,	mask,		pinfo,	         	pinfo2, membership */
185{"nop",	    "",		0x6500, 0xffff,		0,			RD_16,		I1,	0,	0 }, /* move $0,$Z */
186{"la",	    "x,A",	0x0800, 0xf800,		WR_1,			RD_PC,		I1,	0,	0 },
187{"abs",	    "x,w",	0, (int) M_ABS,		INSN_MACRO,		0,		I1,	0,	0 },
188{"addiu",   "y,x,4",	0x4000, 0xf810,		WR_1|RD_2,		0,		I1,	0,	0 },
189{"addiu",   "x,k",	0x4800, 0xf800,		MOD_1,			0,		I1,	0,	0 },
190{"addiu",   "S,K",	0x6300, 0xff00,		0,			MOD_SP,		I1,	0,	0 },
191{"addiu",   "S,S,K",	0x6300, 0xff00,		0,			MOD_SP,		I1,	0,	0 },
192{"addiu",   "x,P,V",	0x0800, 0xf800,		WR_1,			RD_PC,		I1,	0,	0 },
193{"addiu",   "x,S,V",	0x0000, 0xf800,		WR_1,			RD_SP,		I1,	0,	0 },
194{"addu",    "z,v,y",	0xe001, 0xf803,		WR_1|RD_2|RD_3,		0,		I1,	0,	0 },
195{"addu",    "y,x,4",	0x4000, 0xf810,		WR_1|RD_2,		0,		I1,	0,	0 },
196{"addu",    "x,k",	0x4800, 0xf800,		MOD_1,			0,		I1,	0,	0 },
197{"addu",    "S,K",	0x6300, 0xff00,		0,			MOD_SP,		I1,	0,	0 },
198{"addu",    "S,S,K",	0x6300, 0xff00,		0,			MOD_SP,		I1,	0,	0 },
199{"addu",    "x,P,V",	0x0800, 0xf800,		WR_1,			RD_PC,		I1,	0,	0 },
200{"addu",    "x,S,V",	0x0000, 0xf800,		WR_1,			RD_SP,		I1,	0,	0 },
201{"and",	    "x,y",	0xe80c, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
202{"b",	    "q",	0x1000, 0xf800,		0,			UBR,		I1,	0,	0 },
203{"beq",	    "x,y,p",	0, (int) M_BEQ,		INSN_MACRO,		0,		I1,	0,	0 },
204{"beq",     "x,I,p",	0, (int) M_BEQ_I,	INSN_MACRO,		0,		I1,	0,	0 },
205{"beqz",    "x,p",	0x2000, 0xf800,		RD_1,			CBR,		I1,	0,	0 },
206{"bge",	    "x,y,p",	0, (int) M_BGE,		INSN_MACRO,		0,		I1,	0,	0 },
207{"bge",     "x,I,p",	0, (int) M_BGE_I,	INSN_MACRO,		0,		I1,	0,	0 },
208{"bgeu",    "x,y,p",	0, (int) M_BGEU,	INSN_MACRO,		0,		I1,	0,	0 },
209{"bgeu",    "x,I,p",	0, (int) M_BGEU_I,	INSN_MACRO,		0,		I1,	0,	0 },
210{"bgt",	    "x,y,p",	0, (int) M_BGT,		INSN_MACRO,		0,		I1,	0,	0 },
211{"bgt",     "x,I,p",	0, (int) M_BGT_I,	INSN_MACRO,		0,		I1,	0,	0 },
212{"bgtu",    "x,y,p",	0, (int) M_BGTU,	INSN_MACRO,		0,		I1,	0,	0 },
213{"bgtu",    "x,I,p",	0, (int) M_BGTU_I,	INSN_MACRO,		0,		I1,	0,	0 },
214{"ble",	    "x,y,p",	0, (int) M_BLE,		INSN_MACRO,		0,		I1,	0,	0 },
215{"ble",     "x,I,p",	0, (int) M_BLE_I,	INSN_MACRO,		0,		I1,	0,	0 },
216{"bleu",    "x,y,p",	0, (int) M_BLEU,	INSN_MACRO,		0,		I1,	0,	0 },
217{"bleu",    "x,I,p",	0, (int) M_BLEU_I,	INSN_MACRO,		0,		I1,	0,	0 },
218{"blt",	    "x,y,p",	0, (int) M_BLT,		INSN_MACRO,		0,		I1,	0,	0 },
219{"blt",     "x,I,p",	0, (int) M_BLT_I,	INSN_MACRO,		0,		I1,	0,	0 },
220{"bltu",    "x,y,p",	0, (int) M_BLTU,	INSN_MACRO,		0,		I1,	0,	0 },
221{"bltu",    "x,I,p",	0, (int) M_BLTU_I,	INSN_MACRO,		0,		I1,	0,	0 },
222{"bne",	    "x,y,p",	0, (int) M_BNE,		INSN_MACRO,		0,		I1,	0,	0 },
223{"bne",     "x,I,p",	0, (int) M_BNE_I,	INSN_MACRO,		0,		I1,	0,	0 },
224{"bnez",    "x,p",	0x2800, 0xf800,		RD_1,			CBR,		I1,	0,	0 },
225{"break",   "6",	0xe805, 0xf81f,		TRAP,			0,		I1,	0,	0 },
226{"bteqz",   "p",	0x6000, 0xff00,		RD_T,			CBR,		I1,	0,	0 },
227{"btnez",   "p",	0x6100, 0xff00,		RD_T,			CBR,		I1,	0,	0 },
228{"cmpi",    "x,U",	0x7000, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
229{"cmp",	    "x,y",	0xe80a, 0xf81f,		RD_1|RD_2|WR_T,		0,		I1,	0,	0 },
230{"cmp",     "x,U",	0x7000, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
231{"dla",	    "y,E",	0xfe00, 0xff00,		WR_1, 			RD_PC,		I3,	0,	0 },
232{"daddiu",  "y,x,4",	0x4010, 0xf810,		WR_1|RD_2, 		0,		I3,	0,	0 },
233{"daddiu",  "y,j",	0xfd00, 0xff00,		MOD_1,			0,		I3,	0,	0 },
234{"daddiu",  "S,K",	0xfb00, 0xff00,		0,	 		MOD_SP,		I3,	0,	0 },
235{"daddiu",  "S,S,K",	0xfb00, 0xff00,		0,	 		MOD_SP,		I3,	0,	0 },
236{"daddiu",  "y,P,W",	0xfe00, 0xff00,		WR_1,	 		RD_PC,		I3,	0,	0 },
237{"daddiu",  "y,S,W",	0xff00, 0xff00,		WR_1,			RD_SP,		I3,	0,	0 },
238{"daddu",   "z,v,y",	0xe000, 0xf803,		WR_1|RD_2|RD_3, 	0,		I3,	0,	0 },
239{"daddu",   "y,x,4",	0x4010, 0xf810,		WR_1|RD_2, 		0,		I3,	0,	0 },
240{"daddu",   "y,j",	0xfd00, 0xff00,		MOD_1,			0,		I3,	0,	0 },
241{"daddu",   "S,K",	0xfb00, 0xff00,		0,	 		MOD_SP,		I3,	0,	0 },
242{"daddu",   "S,S,K",	0xfb00, 0xff00,		0,	 		MOD_SP,		I3,	0,	0 },
243{"daddu",   "y,P,W",	0xfe00, 0xff00,		WR_1,	 		RD_PC,		I3,	0,	0 },
244{"daddu",   "y,S,W",	0xff00, 0xff00,		WR_1,			RD_SP,		I3,	0,	0 },
245{"ddiv",    "0,x,y",	0xe81e, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO,	0,		I3,	0,	0 },
246{"ddiv",    "z,v,y",	0, (int) M_DDIV_3,	INSN_MACRO,		0,		I1,	0,	0 },
247{"ddivu",   "0,x,y",	0xe81f, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO, 	0,		I3,	0,	0 },
248{"ddivu",   "z,v,y",	0, (int) M_DDIVU_3,	INSN_MACRO,		0,		I1,	0,	0 },
249{"div",     "0,x,y",	0xe81a, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO,	0,		I1,	0,	0 },
250{"div",     "z,v,y",	0, (int) M_DIV_3,	INSN_MACRO,		0,		I1,	0,	0 },
251{"divu",    "0,x,y",	0xe81b, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO,	0,		I1,	0,	0 },
252{"divu",    "z,v,y",	0, (int) M_DIVU_3,	INSN_MACRO,		0,		I1,	0,	0 },
253{"dmul",    "z,v,y",	0, (int) M_DMUL,	INSN_MACRO, 		0,		I3,	0,	0 },
254{"dmult",   "x,y",	0xe81c, 0xf81f, 	RD_1|RD_2|WR_HI|WR_LO, 	0,		I3,	0,	0 },
255{"dmultu",  "x,y",	0xe81d, 0xf81f, 	RD_1|RD_2|WR_HI|WR_LO, 	0,		I3,	0,	0 },
256{"drem",    "0,x,y",	0xe81e, 0xf81f, 	RD_2|RD_3|WR_HI|WR_LO, 	0,		I3,	0,	0 },
257{"drem",    "z,v,y",	0, (int) M_DREM_3,	INSN_MACRO,		0,		I1,	0,	0 },
258{"dremu",   "0,x,y",	0xe81f, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO, 	0,		I3,	0,	0 },
259{"dremu",   "z,v,y",	0, (int) M_DREMU_3,	INSN_MACRO,		0,		I1,	0,	0 },
260{"dsllv",   "y,x",	0xe814, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
261{"dsll",    "x,w,[",	0x3001, 0xf803,		WR_1|RD_2, 		0,		I3,	0,	0 },
262{"dsll",    "y,x",	0xe814, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
263{"dsrav",   "y,x",	0xe817, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
264{"dsra",    "y,]",	0xe813, 0xf81f,		MOD_1,			0,		I3,	0,	0 },
265{"dsra",    "y,x",	0xe817, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
266{"dsrlv",   "y,x",	0xe816, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
267{"dsrl",    "y,]",	0xe808, 0xf81f,		MOD_1,			0,		I3,	0,	0 },
268{"dsrl",    "y,x",	0xe816, 0xf81f,		MOD_1|RD_2, 	0,		I3,	0,	0 },
269{"dsubu",   "z,v,y",	0xe002, 0xf803,		WR_1|RD_2|RD_3, 	0,		I3,	0,	0 },
270{"dsubu",   "y,x,I",	0, (int) M_DSUBU_I,	INSN_MACRO,		0,		I1,	0,	0 },
271{"dsubu",   "y,I",	0, (int) M_DSUBU_I_2,	INSN_MACRO, 		0,		I1,	0,	0 },
272{"exit",    "L",	0xed09, 0xff1f,		TRAP,			0,		I1,	0,	0 },
273{"exit",    "L",	0xee09, 0xff1f,		TRAP,			0,		I1,	0,	0 },
274{"exit",    "",		0xef09, 0xffff,		TRAP,			0,		I1,	0,	0 },
275{"exit",    "L",	0xef09, 0xff1f,		TRAP,			0,		I1,	0,	0 },
276{"entry",   "",		0xe809, 0xffff,		TRAP,			0,		I1,	0,	0 },
277{"entry",   "l",	0xe809, 0xf81f,		TRAP,			0,		I1,	0,	0 },
278{"extend",  "e",	0xf000, 0xf800,		0,			0,		I1,	0,	0 },
279{"jalr",    "x",	0xe840, 0xf8ff,		RD_1|WR_31|UBD,		0,		I1,	0,	0 },
280{"jalr",    "R,x",	0xe840, 0xf8ff,		RD_2|WR_31|UBD,		0,		I1,	0,	0 },
281{"jal",     "x",	0xe840, 0xf8ff,		RD_1|WR_31|UBD,		0,		I1,	0,	0 },
282{"jal",     "R,x",	0xe840, 0xf8ff,		RD_2|WR_31|UBD,		0,		I1,	0,	0 },
283{"jal",	    "a",	0x1800, 0xfc00,		WR_31|UBD,		0,		I1,	0,	0 },
284{"jalx",    "i",	0x1c00, 0xfc00,		WR_31|UBD,		0,		I1,	0,	0 },
285{"jr",	    "x",	0xe800, 0xf8ff,		RD_1|UBD,		0,		I1,	0,	0 },
286{"jr",	    "R",	0xe820, 0xffff,		UBD,			RD_31,		I1,	0,	0 },
287{"j",	    "x",	0xe800, 0xf8ff,		RD_1|UBD,		0,		I1,	0,	0 },
288{"j",	    "R",	0xe820, 0xffff,		UBD,			RD_31,		I1,	0,	0 },
289/* MIPS16e compact branches.  We keep them near the ordinary branches
290   so that we easily find them when converting a normal branch to a
291   compact one.  */
292{"jalrc",   "x",	0xe8c0, 0xf8ff,		RD_1|WR_31|NODS,	UBR,		I32,	0,	0 },
293{"jalrc",   "R,x",	0xe8c0, 0xf8ff,		RD_2|WR_31|NODS,	UBR,		I32,	0,	0 },
294{"jrc",	    "x",	0xe880, 0xf8ff,		RD_1|NODS,		UBR,		I32,	0,	0 },
295{"jrc",	    "R",	0xe8a0, 0xffff,		NODS,			RD_31|UBR,	I32,	0,	0 },
296{"lb",	    "y,5(x)",	0x8000, 0xf800,		WR_1|RD_3,		0,		I1,	0,	0 },
297{"lbu",	    "y,5(x)",	0xa000, 0xf800,		WR_1|RD_3,		0,		I1,	0,	0 },
298{"ld",	    "y,D(x)",	0x3800, 0xf800,		WR_1|RD_3, 		0,		I3,	0,	0 },
299{"ld",	    "y,B",	0xfc00, 0xff00,		WR_1,	 		RD_PC,		I3,	0,	0 },
300{"ld",	    "y,D(P)",	0xfc00, 0xff00,		WR_1,	 		RD_PC,		I3,	0,	0 },
301{"ld",	    "y,D(S)",	0xf800, 0xff00,		WR_1,			RD_SP,		I3,	0,	0 },
302{"lh",	    "y,H(x)",	0x8800, 0xf800,		WR_1|RD_3,		0,		I1,	0,	0 },
303{"lhu",	    "y,H(x)",	0xa800, 0xf800,		WR_1|RD_3,		0,		I1,	0,	0 },
304{"li",	    "x,U",	0x6800, 0xf800,		WR_1,			0,		I1,	0,	0 },
305{"lw",	    "y,W(x)",	0x9800, 0xf800,		WR_1|RD_3,		0,		I1,	0,	0 },
306{"lw",	    "x,A",	0xb000, 0xf800,		WR_1,			RD_PC,		I1,	0,	0 },
307{"lw",	    "x,V(P)",	0xb000, 0xf800,		WR_1,			RD_PC,		I1,	0,	0 },
308{"lw",	    "x,V(S)",	0x9000, 0xf800,		WR_1,			RD_SP,		I1,	0,	0 },
309{"lwu",     "y,W(x)",	0xb800, 0xf800,		WR_1|RD_3, 		0,		I3,	0,	0 },
310{"mfhi",    "x",	0xe810, 0xf8ff,		WR_1|RD_HI,		0,		I1,	0,	0 },
311{"mflo",    "x",	0xe812, 0xf8ff,		WR_1|RD_LO,		0,		I1,	0,	0 },
312{"move",    "y,X",	0x6700, 0xff00,		WR_1|RD_2, 		0,		I1,	0,	0 },
313{"move",    "Y,Z",	0x6500, 0xff00,		WR_1|RD_2,		0,		I1,	0,	0 },
314{"mul",     "z,v,y",	0, (int) M_MUL, 	INSN_MACRO,		0,		I1,	0,	0 },
315{"mult",    "x,y",	0xe818, 0xf81f,		RD_1|RD_2|WR_HI|WR_LO,	0,		I1,	0,	0 },
316{"multu",   "x,y",	0xe819, 0xf81f,		RD_1|RD_2|WR_HI|WR_LO,	0,		I1,	0,	0 },
317{"neg",	    "x,w",	0xe80b, 0xf81f,		WR_1|RD_2,		0,		I1,	0,	0 },
318{"not",	    "x,w",	0xe80f, 0xf81f,		WR_1|RD_2,		0,		I1,	0,	0 },
319{"or",	    "x,y",	0xe80d, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
320{"rem",     "0,x,y",	0xe81a, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO,	0,		I1,	0,	0 },
321{"rem",     "z,v,y",	0, (int) M_REM_3,	INSN_MACRO,		0,		I1,	0,	0 },
322{"remu",    "0,x,y",	0xe81b, 0xf81f,		RD_2|RD_3|WR_HI|WR_LO,	0,		I1,	0,	0 },
323{"remu",    "z,v,y",	0, (int) M_REMU_3,	INSN_MACRO,		0,		I1,	0,	0 },
324{"sb",	    "y,5(x)",	0xc000, 0xf800,		RD_1|RD_3,		0,		I1,	0,	0 },
325{"sd",	    "y,D(x)",	0x7800, 0xf800,		RD_1|RD_3, 		0,		I3,	0,	0 },
326{"sd",	    "y,D(S)",	0xf900, 0xff00,		RD_1, 			RD_PC,		I3,	0,	0 },
327{"sd",	    "R,C(S)",	0xfa00, 0xff00,		0,			RD_31|RD_PC,	I1,	0,	0 },
328{"sh",	    "y,H(x)",	0xc800, 0xf800,		RD_1|RD_3,		0,		I1,	0,	0 },
329{"sllv",    "y,x",	0xe804, 0xf81f,		MOD_1|RD_2, 	0,		I1,	0,	0 },
330{"sll",	    "x,w,<",	0x3000, 0xf803,		WR_1|RD_2,		0,		I1,	0,	0 },
331{"sll",     "y,x",	0xe804, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
332{"slti",    "x,8",	0x5000, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
333{"slt",	    "x,y",	0xe802, 0xf81f,		RD_1|RD_2|WR_T,		0,		I1,	0,	0 },
334{"slt",     "x,8",	0x5000, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
335{"sltiu",   "x,8",	0x5800, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
336{"sltu",    "x,y",	0xe803, 0xf81f,		RD_1|RD_2|WR_T,		0,		I1,	0,	0 },
337{"sltu",    "x,8",	0x5800, 0xf800,		RD_1|WR_T,		0,		I1,	0,	0 },
338{"srav",    "y,x",	0xe807, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
339{"sra",	    "x,w,<",	0x3003, 0xf803,		WR_1|RD_2,		0,		I1,	0,	0 },
340{"sra",     "y,x",	0xe807, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
341{"srlv",    "y,x",	0xe806, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
342{"srl",	    "x,w,<",	0x3002, 0xf803,		WR_1|RD_2,		0,		I1,	0,	0 },
343{"srl",     "y,x",	0xe806, 0xf81f,		MOD_1|RD_2,		0,		I1,	0,	0 },
344{"subu",    "z,v,y",	0xe003, 0xf803,		WR_1|RD_2|RD_3,		0,		I1,	0,	0 },
345{"subu",    "y,x,I",	0, (int) M_SUBU_I,	INSN_MACRO,		0,		I1,	0,	0 },
346{"subu",    "x,I",	0, (int) M_SUBU_I_2,	INSN_MACRO,		0,		I1,	0,	0 },
347{"sw",	    "y,W(x)",	0xd800, 0xf800,		RD_1|RD_3,		0,		I1,	0,	0 },
348{"sw",	    "x,V(S)",	0xd000, 0xf800,		RD_1,			RD_SP,		I1,	0,	0 },
349{"sw",	    "R,V(S)",	0x6200, 0xff00,		0,			RD_31|RD_SP,	I1,	0,	0 },
350{"xor",	    "x,y",	0xe80e, 0xf81f,		MOD_1|RD_2, 	0,		I1,	0,	0 },
351  /* MIPS16e additions */
352{"restore", "M",	0x6400, 0xff80,		WR_31|NODS,		MOD_SP,		I32,	0,	0 },
353{"save",    "m",	0x6480, 0xff80,		NODS,			RD_31|MOD_SP,	I32,	0,	0 },
354{"sdbbp",   "6",	0xe801, 0xf81f,		TRAP,			0,		I32,	0,	0 },
355{"seb",	    "x",	0xe891, 0xf8ff,		MOD_1,			0,		I32,	0,	0 },
356{"seh",	    "x",	0xe8b1, 0xf8ff,		MOD_1,			0,		I32,	0,	0 },
357{"sew",	    "x",	0xe8d1, 0xf8ff,		MOD_1,			0,		I64,	0,	0 },
358{"zeb",	    "x",	0xe811, 0xf8ff,		MOD_1,			0,		I32,	0,	0 },
359{"zeh",	    "x",	0xe831, 0xf8ff,		MOD_1,			0,		I32,	0,	0 },
360{"zew",	    "x",	0xe851, 0xf8ff,		MOD_1,			0,		I64,	0,	0 },
361};
362
363const int bfd_mips16_num_opcodes =
364  ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
365