gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / opcodes / nios2-opc.c
CommitLineData
36591ba1 1/* Altera Nios II opcode list.
b3adc24a 2 Copyright (C) 2012-2020 Free Software Foundation, Inc.
36591ba1
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3 Contributed by Nigel Gray (ngray@altera.com).
4 Contributed by Mentor Graphics, Inc.
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 "sysdep.h"
24#include <stdio.h>
25#include "opcode/nios2.h"
26
27/* Register string table */
28
29const struct nios2_reg nios2_builtin_regs[] = {
30 /* Standard register names. */
96ba4233
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31 {"zero", 0, REG_NORMAL},
32 {"at", 1, REG_NORMAL}, /* assembler temporary */
c8c8175b
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33 {"r2", 2, REG_NORMAL | REG_3BIT | REG_LDWM},
34 {"r3", 3, REG_NORMAL | REG_3BIT | REG_LDWM},
35 {"r4", 4, REG_NORMAL | REG_3BIT | REG_LDWM},
36 {"r5", 5, REG_NORMAL | REG_3BIT | REG_LDWM},
37 {"r6", 6, REG_NORMAL | REG_3BIT | REG_LDWM},
38 {"r7", 7, REG_NORMAL | REG_3BIT | REG_LDWM},
39 {"r8", 8, REG_NORMAL | REG_LDWM},
40 {"r9", 9, REG_NORMAL | REG_LDWM},
41 {"r10", 10, REG_NORMAL | REG_LDWM},
42 {"r11", 11, REG_NORMAL | REG_LDWM},
43 {"r12", 12, REG_NORMAL | REG_LDWM},
44 {"r13", 13, REG_NORMAL | REG_LDWM},
45 {"r14", 14, REG_NORMAL | REG_LDWM},
46 {"r15", 15, REG_NORMAL | REG_LDWM},
47 {"r16", 16, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP},
48 {"r17", 17, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP},
49 {"r18", 18, REG_NORMAL | REG_LDWM | REG_POP},
50 {"r19", 19, REG_NORMAL | REG_LDWM | REG_POP},
51 {"r20", 20, REG_NORMAL | REG_LDWM | REG_POP},
52 {"r21", 21, REG_NORMAL | REG_LDWM | REG_POP},
53 {"r22", 22, REG_NORMAL | REG_LDWM | REG_POP},
54 {"r23", 23, REG_NORMAL | REG_LDWM | REG_POP},
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55 {"et", 24, REG_NORMAL},
56 {"bt", 25, REG_NORMAL},
57 {"gp", 26, REG_NORMAL}, /* global pointer */
58 {"sp", 27, REG_NORMAL}, /* stack pointer */
c8c8175b 59 {"fp", 28, REG_NORMAL | REG_LDWM | REG_POP}, /* frame pointer */
96ba4233
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60 {"ea", 29, REG_NORMAL}, /* exception return address */
61 {"sstatus", 30, REG_NORMAL}, /* saved processor status */
c8c8175b 62 {"ra", 31, REG_NORMAL | REG_LDWM | REG_POP}, /* return address */
36591ba1
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63
64 /* Alternative names for special registers. */
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65 {"r0", 0, REG_NORMAL},
66 {"r1", 1, REG_NORMAL},
67 {"r24", 24, REG_NORMAL},
68 {"r25", 25, REG_NORMAL},
69 {"r26", 26, REG_NORMAL},
70 {"r27", 27, REG_NORMAL},
c8c8175b 71 {"r28", 28, REG_NORMAL | REG_LDWM | REG_POP},
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72 {"r29", 29, REG_NORMAL},
73 {"r30", 30, REG_NORMAL},
74 {"ba", 30, REG_NORMAL}, /* breakpoint return address */
c8c8175b 75 {"r31", 31, REG_NORMAL | REG_LDWM | REG_POP},
36591ba1
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76
77 /* Control register names. */
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78 {"status", 0, REG_CONTROL},
79 {"estatus", 1, REG_CONTROL},
80 {"bstatus", 2, REG_CONTROL},
81 {"ienable", 3, REG_CONTROL},
82 {"ipending", 4, REG_CONTROL},
83 {"cpuid", 5, REG_CONTROL},
84 {"ctl6", 6, REG_CONTROL},
85 {"exception", 7, REG_CONTROL},
86 {"pteaddr", 8, REG_CONTROL},
87 {"tlbacc", 9, REG_CONTROL},
88 {"tlbmisc", 10, REG_CONTROL},
89 {"eccinj", 11, REG_CONTROL},
90 {"badaddr", 12, REG_CONTROL},
91 {"config", 13, REG_CONTROL},
92 {"mpubase", 14, REG_CONTROL},
93 {"mpuacc", 15, REG_CONTROL},
94 {"ctl16", 16, REG_CONTROL},
95 {"ctl17", 17, REG_CONTROL},
96 {"ctl18", 18, REG_CONTROL},
97 {"ctl19", 19, REG_CONTROL},
98 {"ctl20", 20, REG_CONTROL},
99 {"ctl21", 21, REG_CONTROL},
100 {"ctl22", 22, REG_CONTROL},
101 {"ctl23", 23, REG_CONTROL},
102 {"ctl24", 24, REG_CONTROL},
103 {"ctl25", 25, REG_CONTROL},
104 {"ctl26", 26, REG_CONTROL},
105 {"ctl27", 27, REG_CONTROL},
106 {"ctl28", 28, REG_CONTROL},
107 {"ctl29", 29, REG_CONTROL},
108 {"ctl30", 30, REG_CONTROL},
109 {"ctl31", 31, REG_CONTROL},
36591ba1
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110
111 /* Alternative names for special control registers. */
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112 {"ctl0", 0, REG_CONTROL},
113 {"ctl1", 1, REG_CONTROL},
114 {"ctl2", 2, REG_CONTROL},
115 {"ctl3", 3, REG_CONTROL},
116 {"ctl4", 4, REG_CONTROL},
117 {"ctl5", 5, REG_CONTROL},
118 {"ctl7", 7, REG_CONTROL},
119 {"ctl8", 8, REG_CONTROL},
120 {"ctl9", 9, REG_CONTROL},
121 {"ctl10", 10, REG_CONTROL},
122 {"ctl11", 11, REG_CONTROL},
123 {"ctl12", 12, REG_CONTROL},
124 {"ctl13", 13, REG_CONTROL},
125 {"ctl14", 14, REG_CONTROL},
126 {"ctl15", 15, REG_CONTROL},
36591ba1
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127
128 /* Coprocessor register names. */
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129 {"c0", 0, REG_COPROCESSOR},
130 {"c1", 1, REG_COPROCESSOR},
131 {"c2", 2, REG_COPROCESSOR},
132 {"c3", 3, REG_COPROCESSOR},
133 {"c4", 4, REG_COPROCESSOR},
134 {"c5", 5, REG_COPROCESSOR},
135 {"c6", 6, REG_COPROCESSOR},
136 {"c7", 7, REG_COPROCESSOR},
137 {"c8", 8, REG_COPROCESSOR},
138 {"c9", 9, REG_COPROCESSOR},
139 {"c10", 10, REG_COPROCESSOR},
140 {"c11", 11, REG_COPROCESSOR},
141 {"c12", 12, REG_COPROCESSOR},
142 {"c13", 13, REG_COPROCESSOR},
143 {"c14", 14, REG_COPROCESSOR},
144 {"c15", 15, REG_COPROCESSOR},
145 {"c16", 16, REG_COPROCESSOR},
146 {"c17", 17, REG_COPROCESSOR},
147 {"c18", 18, REG_COPROCESSOR},
148 {"c19", 19, REG_COPROCESSOR},
149 {"c20", 20, REG_COPROCESSOR},
150 {"c21", 21, REG_COPROCESSOR},
151 {"c22", 22, REG_COPROCESSOR},
152 {"c23", 23, REG_COPROCESSOR},
153 {"c24", 24, REG_COPROCESSOR},
154 {"c25", 25, REG_COPROCESSOR},
155 {"c26", 26, REG_COPROCESSOR},
156 {"c27", 27, REG_COPROCESSOR},
157 {"c28", 28, REG_COPROCESSOR},
158 {"c29", 29, REG_COPROCESSOR},
159 {"c30", 30, REG_COPROCESSOR},
160 {"c31", 31, REG_COPROCESSOR},
36591ba1
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161};
162
163#define NIOS2_NUM_REGS \
164 ((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0])))
165const int nios2_num_builtin_regs = NIOS2_NUM_REGS;
166
167/* This is not const in order to allow for dynamic extensions to the
168 built-in instruction set. */
169struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs;
170int nios2_num_regs = NIOS2_NUM_REGS;
171#undef NIOS2_NUM_REGS
172
173/* This is the opcode table used by the Nios II GNU as, disassembler
174 and GDB. */
96ba4233 175const struct nios2_opcode nios2_r1_opcodes[] =
36591ba1 176{
96ba4233
SL
177 /* { name, args, args_test, num_args, size, format,
178 match, mask, pinfo, overflow } */
179 {"add", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
180 MATCH_R1_ADD, MASK_R1_ADD, 0, no_overflow},
181 {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
d306ce58 182 MATCH_R1_ADDI, MASK_R1_ADDI, 0, signed_immed16_overflow},
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183 {"and", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
184 MATCH_R1_AND, MASK_R1_AND, 0, no_overflow},
185 {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
186 MATCH_R1_ANDHI, MASK_R1_ANDHI, 0, unsigned_immed16_overflow},
187 {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
d306ce58 188 MATCH_R1_ANDI, MASK_R1_ANDI, 0, unsigned_immed16_overflow},
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189 {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
190 MATCH_R1_BEQ, MASK_R1_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow},
191 {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
192 MATCH_R1_BGE, MASK_R1_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow},
193 {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
194 MATCH_R1_BGEU, MASK_R1_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow},
195 {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
196 MATCH_R1_BGT, MASK_R1_BGT,
197 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
198 {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
199 MATCH_R1_BGTU, MASK_R1_BGTU,
200 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
201 {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
202 MATCH_R1_BLE, MASK_R1_BLE,
203 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
204 {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
205 MATCH_R1_BLEU, MASK_R1_BLEU,
206 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
207 {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
208 MATCH_R1_BLT, MASK_R1_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow},
209 {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
210 MATCH_R1_BLTU, MASK_R1_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow},
211 {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_i_type,
212 MATCH_R1_BNE, MASK_R1_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow},
213 {"br", "o", "o,E", 1, 4, iw_i_type,
214 MATCH_R1_BR, MASK_R1_BR, NIOS2_INSN_UBRANCH, branch_target_overflow},
215 {"break", "j", "j,E", 1, 4, iw_r_type,
216 MATCH_R1_BREAK, MASK_R1_BREAK, NIOS2_INSN_OPTARG, no_overflow},
217 {"bret", "", "E", 0, 4, iw_r_type,
218 MATCH_R1_BRET, MASK_R1_BRET, 0, no_overflow},
219 {"call", "m", "m,E", 1, 4, iw_j_type,
220 MATCH_R1_CALL, MASK_R1_CALL, NIOS2_INSN_CALL, call_target_overflow},
221 {"callr", "s", "s,E", 1, 4, iw_r_type,
222 MATCH_R1_CALLR, MASK_R1_CALLR, 0, no_overflow},
223 {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
224 MATCH_R1_CMPEQ, MASK_R1_CMPEQ, 0, no_overflow},
225 {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
226 MATCH_R1_CMPEQI, MASK_R1_CMPEQI, 0, signed_immed16_overflow},
227 {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
228 MATCH_R1_CMPGE, MASK_R1_CMPGE, 0, no_overflow},
229 {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
230 MATCH_R1_CMPGEI, MASK_R1_CMPGEI, 0, signed_immed16_overflow},
231 {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
232 MATCH_R1_CMPGEU, MASK_R1_CMPGEU, 0, no_overflow},
233 {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
234 MATCH_R1_CMPGEUI, MASK_R1_CMPGEUI, 0, unsigned_immed16_overflow},
235 {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
236 MATCH_R1_CMPGT, MASK_R1_CMPGT, NIOS2_INSN_MACRO, no_overflow},
237 {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
238 MATCH_R1_CMPGTI, MASK_R1_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow},
239 {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
240 MATCH_R1_CMPGTU, MASK_R1_CMPGTU, NIOS2_INSN_MACRO, no_overflow},
241 {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
242 MATCH_R1_CMPGTUI, MASK_R1_CMPGTUI,
243 NIOS2_INSN_MACRO, unsigned_immed16_overflow},
244 {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
245 MATCH_R1_CMPLE, MASK_R1_CMPLE, NIOS2_INSN_MACRO, no_overflow},
246 {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
247 MATCH_R1_CMPLEI, MASK_R1_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow},
248 {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
249 MATCH_R1_CMPLEU, MASK_R1_CMPLEU, NIOS2_INSN_MACRO, no_overflow},
250 {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
251 MATCH_R1_CMPLEUI, MASK_R1_CMPLEUI,
252 NIOS2_INSN_MACRO, unsigned_immed16_overflow},
253 {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
254 MATCH_R1_CMPLT, MASK_R1_CMPLT, 0, no_overflow},
255 {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
256 MATCH_R1_CMPLTI, MASK_R1_CMPLTI, 0, signed_immed16_overflow},
257 {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
258 MATCH_R1_CMPLTU, MASK_R1_CMPLTU, 0, no_overflow},
259 {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
260 MATCH_R1_CMPLTUI, MASK_R1_CMPLTUI, 0, unsigned_immed16_overflow},
261 {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
262 MATCH_R1_CMPNE, MASK_R1_CMPNE, 0, no_overflow},
263 {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
264 MATCH_R1_CMPNEI, MASK_R1_CMPNEI, 0, signed_immed16_overflow},
265 {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_custom_type,
266 MATCH_R1_CUSTOM, MASK_R1_CUSTOM, 0, custom_opcode_overflow},
267 {"div", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
268 MATCH_R1_DIV, MASK_R1_DIV, 0, no_overflow},
269 {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
270 MATCH_R1_DIVU, MASK_R1_DIVU, 0, no_overflow},
271 {"eret", "", "E", 0, 4, iw_r_type,
272 MATCH_R1_ERET, MASK_R1_ERET, 0, no_overflow},
273 {"flushd", "i(s)", "i(s),E", 2, 4, iw_i_type,
274 MATCH_R1_FLUSHD, MASK_R1_FLUSHD, 0, address_offset_overflow},
275 {"flushda", "i(s)", "i(s),E", 2, 4, iw_i_type,
276 MATCH_R1_FLUSHDA, MASK_R1_FLUSHDA, 0, address_offset_overflow},
277 {"flushi", "s", "s,E", 1, 4, iw_r_type,
278 MATCH_R1_FLUSHI, MASK_R1_FLUSHI, 0, no_overflow},
279 {"flushp", "", "E", 0, 4, iw_r_type,
280 MATCH_R1_FLUSHP, MASK_R1_FLUSHP, 0, no_overflow},
281 {"initd", "i(s)", "i(s),E", 2, 4, iw_i_type,
282 MATCH_R1_INITD, MASK_R1_INITD, 0, address_offset_overflow},
283 {"initda", "i(s)", "i(s),E", 2, 4, iw_i_type,
284 MATCH_R1_INITDA, MASK_R1_INITDA, 0, address_offset_overflow},
285 {"initi", "s", "s,E", 1, 4, iw_r_type,
286 MATCH_R1_INITI, MASK_R1_INITI, 0, no_overflow},
287 {"jmp", "s", "s,E", 1, 4, iw_r_type,
288 MATCH_R1_JMP, MASK_R1_JMP, 0, no_overflow},
289 {"jmpi", "m", "m,E", 1, 4, iw_j_type,
290 MATCH_R1_JMPI, MASK_R1_JMPI, 0, call_target_overflow},
291 {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
292 MATCH_R1_LDB, MASK_R1_LDB, 0, address_offset_overflow},
293 {"ldbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
294 MATCH_R1_LDBIO, MASK_R1_LDBIO, 0, address_offset_overflow},
295 {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
296 MATCH_R1_LDBU, MASK_R1_LDBU, 0, address_offset_overflow},
297 {"ldbuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
298 MATCH_R1_LDBUIO, MASK_R1_LDBUIO, 0, address_offset_overflow},
299 {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
300 MATCH_R1_LDH, MASK_R1_LDH, 0, address_offset_overflow},
301 {"ldhio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
302 MATCH_R1_LDHIO, MASK_R1_LDHIO, 0, address_offset_overflow},
303 {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
304 MATCH_R1_LDHU, MASK_R1_LDHU, 0, address_offset_overflow},
305 {"ldhuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
306 MATCH_R1_LDHUIO, MASK_R1_LDHUIO, 0, address_offset_overflow},
307 {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
308 MATCH_R1_LDW, MASK_R1_LDW, 0, address_offset_overflow},
309 {"ldwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
310 MATCH_R1_LDWIO, MASK_R1_LDWIO, 0, address_offset_overflow},
311 {"mov", "d,s", "d,s,E", 2, 4, iw_r_type,
312 MATCH_R1_MOV, MASK_R1_MOV, NIOS2_INSN_MACRO_MOV, no_overflow},
313 {"movhi", "t,u", "t,u,E", 2, 4, iw_i_type,
314 MATCH_R1_MOVHI, MASK_R1_MOVHI,
315 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
316 {"movi", "t,i", "t,i,E", 2, 4, iw_i_type,
317 MATCH_R1_MOVI, MASK_R1_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow},
318 {"movia", "t,o", "t,o,E", 2, 4, iw_i_type,
319 MATCH_R1_ORHI, MASK_R1_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow},
320 {"movui", "t,u", "t,u,E", 2, 4, iw_i_type,
321 MATCH_R1_MOVUI, MASK_R1_MOVUI,
322 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
323 {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
324 MATCH_R1_MUL, MASK_R1_MUL, 0, no_overflow},
325 {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
326 MATCH_R1_MULI, MASK_R1_MULI, 0, signed_immed16_overflow},
327 {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
328 MATCH_R1_MULXSS, MASK_R1_MULXSS, 0, no_overflow},
329 {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
330 MATCH_R1_MULXSU, MASK_R1_MULXSU, 0, no_overflow},
331 {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
332 MATCH_R1_MULXUU, MASK_R1_MULXUU, 0, no_overflow},
333 {"nextpc", "d", "d,E", 1, 4, iw_r_type,
334 MATCH_R1_NEXTPC, MASK_R1_NEXTPC, 0, no_overflow},
335 {"nop", "", "E", 0, 4, iw_r_type,
336 MATCH_R1_NOP, MASK_R1_NOP, NIOS2_INSN_MACRO_MOV, no_overflow},
337 {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
338 MATCH_R1_NOR, MASK_R1_NOR, 0, no_overflow},
339 {"or", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
340 MATCH_R1_OR, MASK_R1_OR, 0, no_overflow},
341 {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
342 MATCH_R1_ORHI, MASK_R1_ORHI, 0, unsigned_immed16_overflow},
343 {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
d306ce58 344 MATCH_R1_ORI, MASK_R1_ORI, 0, unsigned_immed16_overflow},
96ba4233
SL
345 {"rdctl", "d,c", "d,c,E", 2, 4, iw_r_type,
346 MATCH_R1_RDCTL, MASK_R1_RDCTL, 0, no_overflow},
347 {"rdprs", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
348 MATCH_R1_RDPRS, MASK_R1_RDPRS, 0, signed_immed16_overflow},
349 {"ret", "", "E", 0, 4, iw_r_type,
350 MATCH_R1_RET, MASK_R1_RET, 0, no_overflow},
351 {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
352 MATCH_R1_ROL, MASK_R1_ROL, 0, no_overflow},
353 {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
354 MATCH_R1_ROLI, MASK_R1_ROLI, 0, unsigned_immed5_overflow},
355 {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
356 MATCH_R1_ROR, MASK_R1_ROR, 0, no_overflow},
357 {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
358 MATCH_R1_SLL, MASK_R1_SLL, 0, no_overflow},
359 {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
360 MATCH_R1_SLLI, MASK_R1_SLLI, 0, unsigned_immed5_overflow},
361 {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
362 MATCH_R1_SRA, MASK_R1_SRA, 0, no_overflow},
363 {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
364 MATCH_R1_SRAI, MASK_R1_SRAI, 0, unsigned_immed5_overflow},
365 {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
366 MATCH_R1_SRL, MASK_R1_SRL, 0, no_overflow},
367 {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type,
368 MATCH_R1_SRLI, MASK_R1_SRLI, 0, unsigned_immed5_overflow},
369 {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
370 MATCH_R1_STB, MASK_R1_STB, 0, address_offset_overflow},
371 {"stbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
372 MATCH_R1_STBIO, MASK_R1_STBIO, 0, address_offset_overflow},
373 {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
374 MATCH_R1_STH, MASK_R1_STH, 0, address_offset_overflow},
375 {"sthio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
376 MATCH_R1_STHIO, MASK_R1_STHIO, 0, address_offset_overflow},
377 {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
378 MATCH_R1_STW, MASK_R1_STW, 0, address_offset_overflow},
379 {"stwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type,
380 MATCH_R1_STWIO, MASK_R1_STWIO, 0, address_offset_overflow},
381 {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
382 MATCH_R1_SUB, MASK_R1_SUB, 0, no_overflow},
383 {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type,
384 MATCH_R1_SUBI, MASK_R1_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow},
385 {"sync", "", "E", 0, 4, iw_r_type,
386 MATCH_R1_SYNC, MASK_R1_SYNC, 0, no_overflow},
387 {"trap", "j", "j,E", 1, 4, iw_r_type,
388 MATCH_R1_TRAP, MASK_R1_TRAP, NIOS2_INSN_OPTARG, no_overflow},
389 {"wrctl", "c,s", "c,s,E", 2, 4, iw_r_type,
390 MATCH_R1_WRCTL, MASK_R1_WRCTL, 0, no_overflow},
391 {"wrprs", "d,s", "d,s,E", 2, 4, iw_r_type,
392 MATCH_R1_WRPRS, MASK_R1_WRPRS, 0, no_overflow},
393 {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type,
394 MATCH_R1_XOR, MASK_R1_XOR, 0, no_overflow},
395 {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
396 MATCH_R1_XORHI, MASK_R1_XORHI, 0, unsigned_immed16_overflow},
397 {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type,
d306ce58 398 MATCH_R1_XORI, MASK_R1_XORI, 0, unsigned_immed16_overflow}
36591ba1
SL
399};
400
c8c8175b 401#define NIOS2_NUM_R1_OPCODES \
96ba4233 402 ((sizeof nios2_r1_opcodes) / (sizeof (nios2_r1_opcodes[0])))
c8c8175b 403const int nios2_num_r1_opcodes = NIOS2_NUM_R1_OPCODES;
36591ba1 404
c8c8175b
SL
405
406const struct nios2_opcode nios2_r2_opcodes[] =
407{
408 /* { name, args, args_test, num_args, size, format,
409 match, mask, pinfo, overflow } */
410 {"add", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
411 MATCH_R2_ADD, MASK_R2_ADD, 0, no_overflow},
412 {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
413 MATCH_R2_ADDI, MASK_R2_ADDI, 0, signed_immed16_overflow},
414 {"add.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type,
415 MATCH_R2_ADD_N, MASK_R2_ADD_N, 0, no_overflow},
416 {"addi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type,
417 MATCH_R2_ADDI_N, MASK_R2_ADDI_N, 0, enumeration_overflow},
418 {"and", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
419 MATCH_R2_AND, MASK_R2_AND, 0, no_overflow},
420 {"andchi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
421 MATCH_R2_ANDCHI, MASK_R2_ANDCHI, 0, unsigned_immed16_overflow},
422 {"andci", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
423 MATCH_R2_ANDCI, MASK_R2_ANDCI, 0, unsigned_immed16_overflow},
424 {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
425 MATCH_R2_ANDHI, MASK_R2_ANDHI, 0, unsigned_immed16_overflow},
426 {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
427 MATCH_R2_ANDI, MASK_R2_ANDI, 0, unsigned_immed16_overflow},
428 {"andi.n", "T,S,g", "T,S,g,E", 3, 2, iw_T2I4_type,
429 MATCH_R2_ANDI_N, MASK_R2_ANDI_N, 0, enumeration_overflow},
430 {"and.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
431 MATCH_R2_AND_N, MASK_R2_AND_N, 0, no_overflow},
432 {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
433 MATCH_R2_BEQ, MASK_R2_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow},
434 {"beqz.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type,
435 MATCH_R2_BEQZ_N, MASK_R2_BEQZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow},
436 {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
437 MATCH_R2_BGE, MASK_R2_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow},
438 {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
439 MATCH_R2_BGEU, MASK_R2_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow},
440 {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
441 MATCH_R2_BGT, MASK_R2_BGT,
442 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
443 {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
444 MATCH_R2_BGTU, MASK_R2_BGTU,
445 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
446 {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
447 MATCH_R2_BLE, MASK_R2_BLE,
448 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
449 {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
450 MATCH_R2_BLEU, MASK_R2_BLEU,
451 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow},
452 {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
453 MATCH_R2_BLT, MASK_R2_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow},
454 {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
455 MATCH_R2_BLTU, MASK_R2_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow},
456 {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type,
457 MATCH_R2_BNE, MASK_R2_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow},
458 {"bnez.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type,
459 MATCH_R2_BNEZ_N, MASK_R2_BNEZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow},
460 {"br", "o", "o,E", 1, 4, iw_F2I16_type,
461 MATCH_R2_BR, MASK_R2_BR, NIOS2_INSN_UBRANCH, branch_target_overflow},
462 {"break", "j", "j,E", 1, 4, iw_F3X6L5_type,
463 MATCH_R2_BREAK, MASK_R2_BREAK, NIOS2_INSN_OPTARG, no_overflow},
464 {"break.n", "j", "j,E", 1, 2, iw_X2L5_type,
465 MATCH_R2_BREAK_N, MASK_R2_BREAK_N, NIOS2_INSN_OPTARG, no_overflow},
466 {"bret", "", "E", 0, 4, iw_F3X6_type,
467 MATCH_R2_BRET, MASK_R2_BRET, 0, no_overflow},
468 {"br.n", "O", "O,E", 1, 2, iw_I10_type,
469 MATCH_R2_BR_N, MASK_R2_BR_N, NIOS2_INSN_UBRANCH, branch_target_overflow},
470 {"call", "m", "m,E", 1, 4, iw_L26_type,
471 MATCH_R2_CALL, MASK_R2_CALL, NIOS2_INSN_CALL, call_target_overflow},
472 {"callr", "s", "s,E", 1, 4, iw_F3X6_type,
473 MATCH_R2_CALLR, MASK_R2_CALLR, 0, no_overflow},
474 {"callr.n", "s", "s,E", 1, 2, iw_F1X1_type,
475 MATCH_R2_CALLR_N, MASK_R2_CALLR_N, 0, no_overflow},
476 {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
477 MATCH_R2_CMPEQ, MASK_R2_CMPEQ, 0, no_overflow},
478 {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
479 MATCH_R2_CMPEQI, MASK_R2_CMPEQI, 0, signed_immed16_overflow},
480 {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
481 MATCH_R2_CMPGE, MASK_R2_CMPGE, 0, no_overflow},
482 {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
483 MATCH_R2_CMPGEI, MASK_R2_CMPGEI, 0, signed_immed16_overflow},
484 {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
485 MATCH_R2_CMPGEU, MASK_R2_CMPGEU, 0, no_overflow},
486 {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
487 MATCH_R2_CMPGEUI, MASK_R2_CMPGEUI, 0, unsigned_immed16_overflow},
488 {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
489 MATCH_R2_CMPGT, MASK_R2_CMPGT, NIOS2_INSN_MACRO, no_overflow},
490 {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
491 MATCH_R2_CMPGTI, MASK_R2_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow},
492 {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
493 MATCH_R2_CMPGTU, MASK_R2_CMPGTU, NIOS2_INSN_MACRO, no_overflow},
494 {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
495 MATCH_R2_CMPGTUI, MASK_R2_CMPGTUI,
496 NIOS2_INSN_MACRO, unsigned_immed16_overflow},
497 {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
498 MATCH_R2_CMPLE, MASK_R2_CMPLE, NIOS2_INSN_MACRO, no_overflow},
499 {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
500 MATCH_R2_CMPLEI, MASK_R2_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow},
501 {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
502 MATCH_R2_CMPLEU, MASK_R2_CMPLEU, NIOS2_INSN_MACRO, no_overflow},
503 {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
504 MATCH_R2_CMPLEUI, MASK_R2_CMPLEUI,
505 NIOS2_INSN_MACRO, unsigned_immed16_overflow},
506 {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
507 MATCH_R2_CMPLT, MASK_R2_CMPLT, 0, no_overflow},
508 {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
509 MATCH_R2_CMPLTI, MASK_R2_CMPLTI, 0, signed_immed16_overflow},
510 {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
511 MATCH_R2_CMPLTU, MASK_R2_CMPLTU, 0, no_overflow},
512 {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
513 MATCH_R2_CMPLTUI, MASK_R2_CMPLTUI, 0, unsigned_immed16_overflow},
514 {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
515 MATCH_R2_CMPNE, MASK_R2_CMPNE, 0, no_overflow},
516 {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
517 MATCH_R2_CMPNEI, MASK_R2_CMPNEI, 0, signed_immed16_overflow},
518 {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_F3X8_type,
519 MATCH_R2_CUSTOM, MASK_R2_CUSTOM, 0, custom_opcode_overflow},
520 {"div", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
521 MATCH_R2_DIV, MASK_R2_DIV, 0, no_overflow},
522 {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
523 MATCH_R2_DIVU, MASK_R2_DIVU, 0, no_overflow},
524 {"eni", "j", "j,E", 1, 4, iw_F3X6L5_type,
525 MATCH_R2_ENI, MASK_R2_ENI, NIOS2_INSN_OPTARG, no_overflow},
526 {"eret", "", "E", 0, 4, iw_F3X6_type,
527 MATCH_R2_ERET, MASK_R2_ERET, 0, no_overflow},
528 {"extract", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
529 MATCH_R2_EXTRACT, MASK_R2_EXTRACT, 0, no_overflow},
530 {"flushd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
531 MATCH_R2_FLUSHD, MASK_R2_FLUSHD, 0, address_offset_overflow},
532 {"flushda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
533 MATCH_R2_FLUSHDA, MASK_R2_FLUSHDA, 0, address_offset_overflow},
534 {"flushi", "s", "s,E", 1, 4, iw_F3X6_type,
535 MATCH_R2_FLUSHI, MASK_R2_FLUSHI, 0, no_overflow},
536 {"flushp", "", "E", 0, 4, iw_F3X6_type,
537 MATCH_R2_FLUSHP, MASK_R2_FLUSHP, 0, no_overflow},
538 {"initd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
539 MATCH_R2_INITD, MASK_R2_INITD, 0, address_offset_overflow},
540 {"initda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type,
541 MATCH_R2_INITDA, MASK_R2_INITDA, 0, address_offset_overflow},
542 {"initi", "s", "s,E", 1, 4, iw_F3X6_type,
543 MATCH_R2_INITI, MASK_R2_INITI, 0, no_overflow},
544 {"insert", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
545 MATCH_R2_INSERT, MASK_R2_INSERT, 0, no_overflow},
546 {"jmp", "s", "s,E", 1, 4, iw_F3X6_type,
547 MATCH_R2_JMP, MASK_R2_JMP, 0, no_overflow},
548 {"jmpi", "m", "m,E", 1, 4, iw_L26_type,
549 MATCH_R2_JMPI, MASK_R2_JMPI, 0, call_target_overflow},
550 {"jmpr.n", "s", "s,E", 1, 2, iw_F1X1_type,
551 MATCH_R2_JMPR_N, MASK_R2_JMPR_N, 0, no_overflow},
552 {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
553 MATCH_R2_LDB, MASK_R2_LDB, 0, address_offset_overflow},
554 {"ldbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
555 MATCH_R2_LDBIO, MASK_R2_LDBIO, 0, signed_immed12_overflow},
556 {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
557 MATCH_R2_LDBU, MASK_R2_LDBU, 0, address_offset_overflow},
558 {"ldbuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
559 MATCH_R2_LDBUIO, MASK_R2_LDBUIO, 0, signed_immed12_overflow},
560 {"ldbu.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type,
561 MATCH_R2_LDBU_N, MASK_R2_LDBU_N, 0, address_offset_overflow},
562 {"ldex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type,
563 MATCH_R2_LDEX, MASK_R2_LDEX, 0, no_overflow},
564 {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
565 MATCH_R2_LDH, MASK_R2_LDH, 0, address_offset_overflow},
566 {"ldhio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
567 MATCH_R2_LDHIO, MASK_R2_LDHIO, 0, signed_immed12_overflow},
568 {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
569 MATCH_R2_LDHU, MASK_R2_LDHU, 0, address_offset_overflow},
570 {"ldhuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
571 MATCH_R2_LDHUIO, MASK_R2_LDHUIO, 0, signed_immed12_overflow},
572 {"ldhu.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type,
573 MATCH_R2_LDHU_N, MASK_R2_LDHU_N, 0, address_offset_overflow},
574 {"ldsex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type,
575 MATCH_R2_LDSEX, MASK_R2_LDSEX, 0, no_overflow},
576 {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
577 MATCH_R2_LDW, MASK_R2_LDW, 0, address_offset_overflow},
578 {"ldwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
579 MATCH_R2_LDWIO, MASK_R2_LDWIO, 0, signed_immed12_overflow},
580 {"ldwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type,
581 MATCH_R2_LDWM, MASK_R2_LDWM, 0, no_overflow},
582 {"ldw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type,
583 MATCH_R2_LDW_N, MASK_R2_LDW_N, 0, address_offset_overflow},
584 {"ldwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type,
585 MATCH_R2_LDWSP_N, MASK_R2_LDWSP_N, 0, address_offset_overflow},
586 {"merge", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type,
587 MATCH_R2_MERGE, MASK_R2_MERGE, 0, no_overflow},
588 {"mov", "d,s", "d,s,E", 2, 4, iw_F3X6_type,
589 MATCH_R2_MOV, MASK_R2_MOV, NIOS2_INSN_MACRO_MOV, no_overflow},
590 {"mov.n", "d,s", "d,s,E", 2, 2, iw_F2_type,
591 MATCH_R2_MOV_N, MASK_R2_MOV_N, 0, no_overflow},
592 {"movi.n", "D,h", "D,h,E", 2, 2, iw_T1I7_type,
593 MATCH_R2_MOVI_N, MASK_R2_MOVI_N, 0, enumeration_overflow},
594 {"movhi", "t,u", "t,u,E", 2, 4, iw_F2I16_type,
595 MATCH_R2_MOVHI, MASK_R2_MOVHI,
596 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
597 {"movi", "t,i", "t,i,E", 2, 4, iw_F2I16_type,
598 MATCH_R2_MOVI, MASK_R2_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow},
599 {"movia", "t,o", "t,o,E", 2, 4, iw_F2I16_type,
600 MATCH_R2_ORHI, MASK_R2_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow},
601 {"movui", "t,u", "t,u,E", 2, 4, iw_F2I16_type,
602 MATCH_R2_MOVUI, MASK_R2_MOVUI,
603 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow},
604 {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
605 MATCH_R2_MUL, MASK_R2_MUL, 0, no_overflow},
606 {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
607 MATCH_R2_MULI, MASK_R2_MULI, 0, signed_immed16_overflow},
608 {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
609 MATCH_R2_MULXSS, MASK_R2_MULXSS, 0, no_overflow},
610 {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
611 MATCH_R2_MULXSU, MASK_R2_MULXSU, 0, no_overflow},
612 {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
613 MATCH_R2_MULXUU, MASK_R2_MULXUU, 0, no_overflow},
614 /* The encoding of the neg.n operands is backwards, not
615 the interpretation -- the first operand is still the
616 destination and the second the source. */
617 {"neg.n", "S,D", "S,D,E", 2, 2, iw_T2X3_type,
618 MATCH_R2_NEG_N, MASK_R2_NEG_N, 0, no_overflow},
619 {"nextpc", "d", "d,E", 1, 4, iw_F3X6_type,
620 MATCH_R2_NEXTPC, MASK_R2_NEXTPC, 0, no_overflow},
621 {"nop", "", "E", 0, 4, iw_F3X6_type,
622 MATCH_R2_NOP, MASK_R2_NOP, NIOS2_INSN_MACRO_MOV, no_overflow},
623 {"nop.n", "", "E", 0, 2, iw_F2_type,
624 MATCH_R2_NOP_N, MASK_R2_NOP_N, NIOS2_INSN_MACRO_MOV, no_overflow},
625 {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
626 MATCH_R2_NOR, MASK_R2_NOR, 0, no_overflow},
627 {"not.n", "D,S", "D,S,E", 2, 2, iw_T2X3_type,
628 MATCH_R2_NOT_N, MASK_R2_NOT_N, 0, no_overflow},
629 {"or", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
630 MATCH_R2_OR, MASK_R2_OR, 0, no_overflow},
631 {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
632 MATCH_R2_ORHI, MASK_R2_ORHI, 0, unsigned_immed16_overflow},
633 {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
634 MATCH_R2_ORI, MASK_R2_ORI, 0, unsigned_immed16_overflow},
635 {"or.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
636 MATCH_R2_OR_N, MASK_R2_OR_N, 0, no_overflow},
637 {"pop.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type,
638 MATCH_R2_POP_N, MASK_R2_POP_N, NIOS2_INSN_OPTARG, no_overflow},
639 {"push.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type,
640 MATCH_R2_PUSH_N, MASK_R2_PUSH_N, NIOS2_INSN_OPTARG, no_overflow},
641 {"rdctl", "d,c", "d,c,E", 2, 4, iw_F3X6L5_type,
642 MATCH_R2_RDCTL, MASK_R2_RDCTL, 0, no_overflow},
643 {"rdprs", "t,s,I", "t,s,I,E", 3, 4, iw_F2X4I12_type,
644 MATCH_R2_RDPRS, MASK_R2_RDPRS, 0, signed_immed12_overflow},
645 {"ret", "", "E", 0, 4, iw_F3X6_type,
646 MATCH_R2_RET, MASK_R2_RET, 0, no_overflow},
647 {"ret.n", "", "E", 0, 2, iw_X2L5_type,
648 MATCH_R2_RET_N, MASK_R2_RET_N, 0, no_overflow},
649 {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
650 MATCH_R2_ROL, MASK_R2_ROL, 0, no_overflow},
651 {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
652 MATCH_R2_ROLI, MASK_R2_ROLI, 0, unsigned_immed5_overflow},
653 {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
654 MATCH_R2_ROR, MASK_R2_ROR, 0, no_overflow},
655 {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
656 MATCH_R2_SLL, MASK_R2_SLL, 0, no_overflow},
657 {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
658 MATCH_R2_SLLI, MASK_R2_SLLI, 0, unsigned_immed5_overflow},
659 {"sll.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
660 MATCH_R2_SLL_N, MASK_R2_SLL_N, 0, no_overflow},
661 {"slli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type,
662 MATCH_R2_SLLI_N, MASK_R2_SLLI_N, 0, enumeration_overflow},
663 {"spaddi.n", "D,U", "D,U,E", 2, 2, iw_T1I7_type,
664 MATCH_R2_SPADDI_N, MASK_R2_SPADDI_N, 0, address_offset_overflow},
665 {"spdeci.n", "U", "U,E", 1, 2, iw_X1I7_type,
666 MATCH_R2_SPDECI_N, MASK_R2_SPDECI_N, 0, address_offset_overflow},
667 {"spinci.n", "U", "U,E", 1, 2, iw_X1I7_type,
668 MATCH_R2_SPINCI_N, MASK_R2_SPINCI_N, 0, address_offset_overflow},
669 {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
670 MATCH_R2_SRA, MASK_R2_SRA, 0, no_overflow},
671 {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
672 MATCH_R2_SRAI, MASK_R2_SRAI, 0, unsigned_immed5_overflow},
673 {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
674 MATCH_R2_SRL, MASK_R2_SRL, 0, no_overflow},
675 {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type,
676 MATCH_R2_SRLI, MASK_R2_SRLI, 0, unsigned_immed5_overflow},
677 {"srl.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
678 MATCH_R2_SRL_N, MASK_R2_SRL_N, 0, no_overflow},
679 {"srli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type,
680 MATCH_R2_SRLI_N, MASK_R2_SRLI_N, 0, enumeration_overflow},
681 {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
682 MATCH_R2_STB, MASK_R2_STB, 0, address_offset_overflow},
683 {"stbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
684 MATCH_R2_STBIO, MASK_R2_STBIO, 0, signed_immed12_overflow},
685 {"stb.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type,
686 MATCH_R2_STB_N, MASK_R2_STB_N, 0, address_offset_overflow},
687 {"stbz.n", "t,M(S)", "t,M(S),E", 3, 2, iw_T1X1I6_type,
688 MATCH_R2_STBZ_N, MASK_R2_STBZ_N, 0, address_offset_overflow},
689 {"stex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type,
690 MATCH_R2_STEX, MASK_R2_STEX, 0, no_overflow},
691 {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
692 MATCH_R2_STH, MASK_R2_STH, 0, address_offset_overflow},
693 {"sthio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
694 MATCH_R2_STHIO, MASK_R2_STHIO, 0, signed_immed12_overflow},
695 {"sth.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type,
696 MATCH_R2_STH_N, MASK_R2_STH_N, 0, address_offset_overflow},
697 {"stsex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type,
698 MATCH_R2_STSEX, MASK_R2_STSEX, 0, no_overflow},
699 {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type,
700 MATCH_R2_STW, MASK_R2_STW, 0, address_offset_overflow},
701 {"stwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type,
702 MATCH_R2_STWIO, MASK_R2_STWIO, 0, signed_immed12_overflow},
703 {"stwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type,
704 MATCH_R2_STWM, MASK_R2_STWM, 0, no_overflow},
705 {"stwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type,
706 MATCH_R2_STWSP_N, MASK_R2_STWSP_N, 0, address_offset_overflow},
707 {"stw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type,
708 MATCH_R2_STW_N, MASK_R2_STW_N, 0, address_offset_overflow},
709 {"stwz.n", "t,N(S)", "t,N(S),E", 3, 2, iw_T1X1I6_type,
710 MATCH_R2_STWZ_N, MASK_R2_STWZ_N, 0, address_offset_overflow},
711 {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
712 MATCH_R2_SUB, MASK_R2_SUB, 0, no_overflow},
713 {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type,
714 MATCH_R2_SUBI, MASK_R2_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow},
715 {"sub.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type,
716 MATCH_R2_SUB_N, MASK_R2_SUB_N, 0, no_overflow},
717 {"subi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type,
718 MATCH_R2_SUBI_N, MASK_R2_SUBI_N, 0, enumeration_overflow},
719 {"sync", "", "E", 0, 4, iw_F3X6_type,
720 MATCH_R2_SYNC, MASK_R2_SYNC, 0, no_overflow},
721 {"trap", "j", "j,E", 1, 4, iw_F3X6L5_type,
722 MATCH_R2_TRAP, MASK_R2_TRAP, NIOS2_INSN_OPTARG, no_overflow},
723 {"trap.n", "j", "j,E", 1, 2, iw_X2L5_type,
724 MATCH_R2_TRAP_N, MASK_R2_TRAP_N, NIOS2_INSN_OPTARG, no_overflow},
725 {"wrctl", "c,s", "c,s,E", 2, 4, iw_F3X6L5_type,
726 MATCH_R2_WRCTL, MASK_R2_WRCTL, 0, no_overflow},
727 {"wrpie", "d,s", "d,s,E", 2, 4, iw_F3X6L5_type,
728 MATCH_R2_WRPIE, MASK_R2_WRPIE, 0, no_overflow},
729 {"wrprs", "d,s", "d,s,E", 2, 4, iw_F3X6_type,
730 MATCH_R2_WRPRS, MASK_R2_WRPRS, 0, no_overflow},
731 {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type,
732 MATCH_R2_XOR, MASK_R2_XOR, 0, no_overflow},
733 {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
734 MATCH_R2_XORHI, MASK_R2_XORHI, 0, unsigned_immed16_overflow},
735 {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type,
736 MATCH_R2_XORI, MASK_R2_XORI, 0, unsigned_immed16_overflow},
737 {"xor.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type,
738 MATCH_R2_XOR_N, MASK_R2_XOR_N, 0, no_overflow},
739};
740
741#define NIOS2_NUM_R2_OPCODES \
742 ((sizeof nios2_r2_opcodes) / (sizeof (nios2_r2_opcodes[0])))
743const int nios2_num_r2_opcodes = NIOS2_NUM_R2_OPCODES;
744
745/* Default to using the R1 instruction tables. */
96ba4233 746struct nios2_opcode *nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes;
c8c8175b
SL
747int nios2_num_opcodes = NIOS2_NUM_R1_OPCODES;
748#undef NIOS2_NUM_R1_OPCODES
749#undef NIOS2_NUM_R2_OPCODES
750
751/* Decodings for R2 asi.n (addi.n/subi.n) immediate values. */
752unsigned int nios2_r2_asi_n_mappings[] =
753 {1, 2, 4, 8, 16, 32, 64, 128};
754const int nios2_num_r2_asi_n_mappings = 8;
755
756/* Decodings for R2 shi.n (slli.n/srli.n) immediate values. */
757unsigned int nios2_r2_shi_n_mappings[] =
758 {1, 2, 3, 8, 12, 16, 24, 31};
759const int nios2_num_r2_shi_n_mappings = 8;
760
761/* Decodings for R2 andi.n immediate values. */
762unsigned int nios2_r2_andi_n_mappings[] =
763 {1, 2, 3, 4, 8, 0xf, 0x10, 0x1f,
764 0x20, 0x3f, 0x7f, 0x80, 0xff, 0x7ff, 0xff00, 0xffff};
765const int nios2_num_r2_andi_n_mappings = 16;
766
767/* Decodings for R2 3-bit register fields. */
768int nios2_r2_reg3_mappings[] =
769 {16, 17, 2, 3, 4, 5, 6, 7};
770const int nios2_num_r2_reg3_mappings = 8;
771
772/* Decodings for R2 push.n/pop.n REG_RANGE value list. */
773unsigned long nios2_r2_reg_range_mappings[] = {
774 0x00010000,
775 0x00030000,
776 0x00070000,
777 0x000f0000,
778 0x001f0000,
779 0x003f0000,
780 0x007f0000,
781 0x00ff0000
782};
783const int nios2_num_r2_reg_range_mappings = 8;
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