1 /* mips16-opc.c. Mips16 opcode table.
2 Copyright (C) 1996-2016 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
27 static unsigned char reg_0_map[] = { 0 };
28 static unsigned char reg_29_map[] = { 29 };
29 static unsigned char reg_31_map[] = { 31 };
30 static unsigned char reg_m16_map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
31 static 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
47 const struct mips_operand *
decode_mips16_operand(char type,bfd_boolean extended_p)48 decode_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
182 const 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
363 const int bfd_mips16_num_opcodes =
364 ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
365