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[/] [or1k/] [tags/] [stable_0_2_0_rc1/] [gen_or1k_isa/] [sources/] [or32.c] - Blame information for rev 1346

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1 133 markom 
/* Table of opcodes for the OpenRISC 1000 ISA.
2 
   Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
3 
   Contributed by Damjan Lampret (lampret@opencores.org).
4 
 
5 717 markom 
This file is part of gen_or1k_isa, or1ksim, GDB and GAS.
6 133 markom 
 
7 
This program 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 2 of the License, or
10 
(at your option) any later version.
11 
 
12 
This program is distributed in the hope that it will be useful,
13 
but WITHOUT ANY WARRANTY; without even the implied warranty of
14 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 
GNU General Public License for more details.
16 
 
17 
You should have received a copy of the GNU General Public License
18 
along with this program; if not, write to the Free Software
19 
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20 
 
21 1114 lampret 
/*
22 
 * $Log: not supported by cvs2svn $
23 1346 nogj 
 * Revision 1.39  2005/01/27 13:35:40  nogj
24 
 *  * Fix generate.c to produce a execgen.c with less warnings.
25 
 *  * Fix the --enable-simple configure option.
26 
 *
27 1342 nogj 
 * Revision 1.38  2005/01/27 13:15:50  nogj
28 
 * Mark wich operand is the destination operand in the architechture definition
29 
 *
30 1341 nogj 
 * Revision 1.37  2005/01/11 15:41:58  andreje
31 
 * l.ff1 instruction added
32 
 *
33 1338 andreje 
 * Revision 1.36  2004/07/22 20:17:23  phoenix
34 
 * removed includes
35 
 *
36 1309 phoenix 
 * Revision 1.35  2004/07/19 23:07:37  phoenix
37 
 * Gyorgy Jeney: extensive cleanup
38 
 *
39 1308 phoenix 
 * Revision 1.34  2004/06/27 22:56:48  lampret
40 
 * Updated instruction set descriptions. Changed FP instructions encoding.
41 
 *
42 1295 lampret 
 * Revision 1.33  2004/05/09 19:52:31  lampret
43 
 * Changed desciption of the l.cust5 insns
44 
 *
45 1285 lampret 
 * Revision 1.31  2003/07/01 19:34:49  csanchez
46 
 * Added support for l.addc instruction.
47 
 *
48 1169 csanchez 
 * Revision 1.30  2003/01/28 03:49:24  lampret
49 
 * Added cvs log keywords
50 
 *
51 1114 lampret 
 */
52 
 
53 133 markom 
#include <string.h>
54 
#include <stdio.h>
55 
#include <stdlib.h>
56 371 markom 
#include <ctype.h>
57 133 markom 
 
58 371 markom 
 
59 138 markom 
#ifdef HAVE_CONFIG_H
60 
# include "config.h"
61 
#endif
62 1342 nogj 
#ifdef HAS_EXECUTION
63 
# include "abstract.h" /* To get struct iqueue_entry */
64 
#endif
65 133 markom 
#include "opcode/or32.h"
66 
 
67 
/* **INDENT-OFF** */
68 
 
69 1342 nogj 
/* We treat all letters the same in encode/decode routines so
70 
   we need to assign some characteristics to them like signess etc.*/
71 133 markom 
CONST struct or32_letter or32_letters[] =
72 
{
73 
{ 'A', NUM_UNSIGNED },
74 
{ 'B', NUM_UNSIGNED },
75 
{ 'D', NUM_UNSIGNED },
76 
{ 'I', NUM_SIGNED },
77 
{ 'K', NUM_UNSIGNED },
78 
{ 'L', NUM_UNSIGNED },
79 
{ 'N', NUM_SIGNED },
80 
{ '0', NUM_UNSIGNED },
81 
{ '\0', 0 }     /* dummy entry */
82 
};
83 
 
84 
/* Opcode encoding:
85 
   machine[31:30]: first two bits of opcode
86 
                   00 - neither of source operands is GPR
87 
                   01 - second source operand is GPR (rB)
88 
                   10 - first source operand is GPR (rA)
89 
                   11 - both source operands are GPRs (rA and rB)
90 
   machine[29:26]: next four bits of opcode
91 
   machine[25:00]: instruction operands (specific to individual instruction)
92 
 
93 
  Recommendation: irrelevant instruction bits should be set with a value of
94 
  bits in same positions of instruction preceding current instruction in the
95 
  code (when assembling).
96 
*/
97 
 
98 1341 nogj 
#ifdef HAS_EXECUTION
99 
# if SIMPLE_EXECUTION
100 
#  define EFN &l_none
101 
#  define EF(func) &(func)
102 
#  define EFI &l_invalid
103 
# else /* SIMPLE_EXECUTION */
104 
#  define EFN "l_none"
105 
#  define EFI "l_invalid"
106 
#  ifdef __GNUC__
107 
#   define EF(func) #func
108 
#  else
109 
#   define EF(func) "func"
110 
#  endif
111 
# endif /* SIMPLE_EXECUTION */
112 
#else /* HAS_EXECUTION */
113 
# define EFN &l_none
114 
# define EF(func) EFN
115 
# define EFI EFN
116 133 markom 
#endif /* HAS_EXECUTION */
117 
 
118 
CONST struct or32_opcode or32_opcodes[] =
119 
{
120 
 
121 1346 nogj 
{ "l.j",       "N",            "00 0x0  NNNNN NNNNN NNNN NNNN NNNN NNNN",
122 
  EF(l_j), OR32_IF_DELAY, it_jump },
123 
{ "l.jal",     "N",            "00 0x1  NNNNN NNNNN NNNN NNNN NNNN NNNN",
124 
  EF(l_jal), OR32_IF_DELAY, it_jump },
125 
{ "l.bnf",     "N",            "00 0x3  NNNNN NNNNN NNNN NNNN NNNN NNNN",
126 
  EF(l_bnf), OR32_IF_DELAY | OR32_R_FLAG, it_branch },
127 
{ "l.bf",      "N",            "00 0x4  NNNNN NNNNN NNNN NNNN NNNN NNNN",
128 
  EF(l_bf), OR32_IF_DELAY | OR32_R_FLAG, it_branch },
129 
{ "l.nop",     "K",            "00 0x5  01--- ----- KKKK KKKK KKKK KKKK",
130 
  EF(l_nop), 0, it_nop },
131 
{ "l.movhi",   "rD,K",         "00 0x6  DDDDD ----0 KKKK KKKK KKKK KKKK",
132 
  EF(l_movhi), 0, it_movimm },
133 
{ "l.macrc",   "rD",           "00 0x6  DDDDD ----1 0000 0000 0000 0000",
134 
  EF(l_macrc), 0, it_mac },
135 
{ "l.sys",     "K",            "00 0x8  00000 00000 KKKK KKKK KKKK KKKK",
136 
  EF(l_sys), 0, it_unknown },
137 
{ "l.trap",    "K",            "00 0x8  01000 00000 KKKK KKKK KKKK KKKK",
138 
  EF(l_trap), 0, it_unknown },
139 
{ "l.msync",   "",             "00 0x8  10000 00000 0000 0000 0000 0000", EFN,
140 
  0, it_unknown },
141 
{ "l.psync",   "",             "00 0x8  10100 00000 0000 0000 0000 0000", EFN,
142 
  0, it_unknown },
143 
{ "l.csync",   "",             "00 0x8  11000 00000 0000 0000 0000 0000", EFN,
144 
  0, it_unknown },
145 
{ "l.rfe",     "",             "00 0x9  ----- ----- ---- ---- ---- ----",
146 
  EF(l_rfe), OR32_IF_DELAY, it_exception },
147 
{ "lv.all_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0,
148 
  it_unknown },
149 
{ "lv.all_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0,
150 
  it_unknown },
151 
{ "lv.all_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0,
152 
  it_unknown },
153 
{ "lv.all_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0,
154 
  it_unknown },
155 
{ "lv.all_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x4", EFI, 0,
156 
  it_unknown },
157 
{ "lv.all_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x5", EFI, 0,
158 
  it_unknown },
159 
{ "lv.all_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0,
160 
  it_unknown },
161 
{ "lv.all_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0,
162 
  it_unknown },
163 
{ "lv.all_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x8", EFI, 0,
164 
  it_unknown },
165 
{ "lv.all_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x9", EFI, 0,
166 
  it_unknown },
167 
{ "lv.all_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0xA", EFI, 0,
168 
  it_unknown },
169 
{ "lv.all_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0xB", EFI, 0,
170 
  it_unknown },
171 
{ "lv.any_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x0", EFI, 0,
172 
  it_unknown },
173 
{ "lv.any_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x1", EFI, 0,
174 
  it_unknown },
175 
{ "lv.any_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x2", EFI, 0,
176 
  it_unknown },
177 
{ "lv.any_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x3", EFI, 0,
178 
  it_unknown },
179 
{ "lv.any_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x4", EFI, 0,
180 
  it_unknown },
181 
{ "lv.any_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x5", EFI, 0,
182 
  it_unknown },
183 
{ "lv.any_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x6", EFI, 0,
184 
  it_unknown },
185 
{ "lv.any_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x7", EFI, 0,
186 
  it_unknown },
187 
{ "lv.any_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x8", EFI, 0,
188 
  it_unknown },
189 
{ "lv.any_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x9", EFI, 0,
190 
  it_unknown },
191 
{ "lv.any_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0xA", EFI, 0,
192 
  it_unknown },
193 
{ "lv.any_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0xB", EFI, 0,
194 
  it_unknown },
195 
{ "lv.add.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x0", EFI, 0,
196 
  it_unknown },
197 
{ "lv.add.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x1", EFI, 0,
198 
  it_unknown },
199 
{ "lv.adds.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x2", EFI, 0,
200 
  it_unknown },
201 
{ "lv.adds.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x3", EFI, 0,
202 
  it_unknown },
203 
{ "lv.addu.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x4", EFI, 0,
204 
  it_unknown },
205 
{ "lv.addu.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x5", EFI, 0,
206 
  it_unknown },
207 
{ "lv.addus.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x6", EFI, 0,
208 
  it_unknown },
209 
{ "lv.addus.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x7", EFI, 0,
210 
  it_unknown },
211 
{ "lv.and",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x8", EFI, 0,
212 
  it_unknown },
213 
{ "lv.avg.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x9", EFI, 0,
214 
  it_unknown },
215 
{ "lv.avg.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0xA", EFI, 0,
216 
  it_unknown },
217 
{ "lv.cmp_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x0", EFI, 0,
218 
  it_unknown },
219 
{ "lv.cmp_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x1", EFI, 0,
220 
  it_unknown },
221 
{ "lv.cmp_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x2", EFI, 0,
222 
  it_unknown },
223 
{ "lv.cmp_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x3", EFI, 0,
224 
  it_unknown },
225 
{ "lv.cmp_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x4", EFI, 0,
226 
  it_unknown },
227 
{ "lv.cmp_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x5", EFI, 0,
228 
  it_unknown },
229 
{ "lv.cmp_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x6", EFI, 0,
230 
  it_unknown },
231 
{ "lv.cmp_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x7", EFI, 0,
232 
  it_unknown },
233 
{ "lv.cmp_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x8", EFI, 0,
234 
  it_unknown },
235 
{ "lv.cmp_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x9", EFI, 0,
236 
  it_unknown },
237 
{ "lv.cmp_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0xA", EFI, 0,
238 
  it_unknown },
239 
{ "lv.cmp_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0xB", EFI, 0,
240 
  it_unknown },
241 
{ "lv.madds.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x4", EFI, 0,
242 
  it_unknown },
243 
{ "lv.max.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x5", EFI, 0,
244 
  it_unknown },
245 
{ "lv.max.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x6", EFI, 0,
246 
  it_unknown },
247 
{ "lv.merge.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x7", EFI, 0,
248 
  it_unknown },
249 
{ "lv.merge.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x8", EFI, 0,
250 
  it_unknown },
251 
{ "lv.min.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x9", EFI, 0,
252 
  it_unknown },
253 
{ "lv.min.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xA", EFI, 0,
254 
  it_unknown },
255 
{ "lv.msubs.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xB", EFI, 0,
256 
  it_unknown },
257 
{ "lv.muls.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xC", EFI, 0,
258 
  it_unknown },
259 
{ "lv.nand",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xD", EFI, 0,
260 
  it_unknown },
261 
{ "lv.nor",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xE", EFI, 0,
262 
  it_unknown },
263 
{ "lv.or",     "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xF", EFI, 0,
264 
  it_unknown },
265 
{ "lv.pack.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x0", EFI, 0,
266 
  it_unknown },
267 
{ "lv.pack.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x1", EFI, 0,
268 
  it_unknown },
269 
{ "lv.packs.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x2", EFI, 0,
270 
  it_unknown },
271 
{ "lv.packs.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x3", EFI, 0,
272 
  it_unknown },
273 
{ "lv.packus.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x4", EFI, 0,
274 
  it_unknown },
275 
{ "lv.packus.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x5", EFI, 0,
276 
  it_unknown },
277 
{ "lv.perm.n", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x6", EFI, 0,
278 
  it_unknown },
279 
{ "lv.rl.b",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x7", EFI, 0,
280 
  it_unknown },
281 
{ "lv.rl.h",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x8", EFI, 0,
282 
  it_unknown },
283 
{ "lv.sll.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x9", EFI, 0,
284 
  it_unknown },
285 
{ "lv.sll.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xA", EFI, 0,
286 
  it_unknown },
287 
{ "lv.sll",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xB", EFI, 0,
288 
  it_unknown },
289 
{ "lv.srl.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xC", EFI, 0,
290 
  it_unknown },
291 
{ "lv.srl.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xD", EFI, 0,
292 
  it_unknown },
293 
{ "lv.sra.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xE", EFI, 0,
294 
  it_unknown },
295 
{ "lv.sra.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xF", EFI, 0,
296 
  it_unknown },
297 
{ "lv.srl",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x0", EFI, 0,
298 
  it_unknown },
299 
{ "lv.sub.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x1", EFI, 0,
300 
  it_unknown },
301 
{ "lv.sub.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x2", EFI, 0,
302 
  it_unknown },
303 
{ "lv.subs.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x3", EFI, 0,
304 
  it_unknown },
305 
{ "lv.subs.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x4", EFI, 0,
306 
  it_unknown },
307 
{ "lv.subu.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x5", EFI, 0,
308 
  it_unknown },
309 
{ "lv.subu.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x6", EFI, 0,
310 
  it_unknown },
311 
{ "lv.subus.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x7", EFI, 0,
312 
  it_unknown },
313 
{ "lv.subus.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x8", EFI, 0,
314 
  it_unknown },
315 
{ "lv.unpack.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x9", EFI, 0,
316 
  it_unknown },
317 
{ "lv.unpack.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0xA", EFI, 0,
318 
  it_unknown },
319 
{ "lv.xor",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0xB", EFI, 0,
320 
  it_unknown },
321 
{ "lv.cust1",  "",             "00 0xA  ----- ----- ---- ---- 0xC ----", EFI, 0,
322 
  it_unknown },
323 
{ "lv.cust2",  "",             "00 0xA  ----- ----- ---- ---- 0xD ----", EFI, 0,
324 
  it_unknown },
325 
{ "lv.cust3",  "",             "00 0xA  ----- ----- ---- ---- 0xE ----", EFI, 0,
326 
  it_unknown },
327 
{ "lv.cust4",  "",             "00 0xA  ----- ----- ---- ---- 0xF ----", EFI, 0,
328 
  it_unknown },
329 676 markom 
 
330 1346 nogj 
{ "l.jr",      "rB",           "01 0x1  ----- ----- BBBB B--- ---- ----",
331 
  EF(l_jr), OR32_IF_DELAY, it_jump },
332 
{ "l.jalr",    "rB",           "01 0x2  ----- ----- BBBB B--- ---- ----",
333 
  EF(l_jalr), OR32_IF_DELAY, it_jump },
334 
{ "l.maci",    "rB,I",         "01 0x3  IIIII ----- BBBB BIII IIII IIII",
335 
  EF(l_mac), 0, it_mac },
336 
{ "l.cust1",   "",             "01 0xC  ----- ----- ---- ---- ---- ----",
337 
  EF(l_cust1), 0, it_unknown },
338 
{ "l.cust2",   "",             "01 0xD  ----- ----- ---- ---- ---- ----",
339 
  EF(l_cust2), 0, it_unknown },
340 
{ "l.cust3",   "",             "01 0xE  ----- ----- ---- ---- ---- ----",
341 
  EF(l_cust3), 0, it_unknown },
342 
{ "l.cust4",   "",             "01 0xF  ----- ----- ---- ---- ---- ----",
343 
  EF(l_cust4), 0, it_unknown },
344 133 markom 
 
345 1346 nogj 
{ "l.ld",      "rD,I(rA)",     "10 0x0  DDDDD AAAAA IIII IIII IIII IIII", EFI,
346 
  0, it_load },
347 
{ "l.lwz",     "rD,I(rA)",     "10 0x1  DDDDD AAAAA IIII IIII IIII IIII",
348 
  EF(l_lwz), 0, it_load },
349 
{ "l.lws",     "rD,I(rA)",     "10 0x2  DDDDD AAAAA IIII IIII IIII IIII", EFI,
350 
  0, it_load },
351 
{ "l.lbz",     "rD,I(rA)",     "10 0x3  DDDDD AAAAA IIII IIII IIII IIII",
352 
  EF(l_lbz), 0, it_load },
353 
{ "l.lbs",     "rD,I(rA)",     "10 0x4  DDDDD AAAAA IIII IIII IIII IIII",
354 
  EF(l_lbs), 0, it_load },
355 
{ "l.lhz",     "rD,I(rA)",     "10 0x5  DDDDD AAAAA IIII IIII IIII IIII",
356 
  EF(l_lhz), 0, it_load },
357 
{ "l.lhs",     "rD,I(rA)",     "10 0x6  DDDDD AAAAA IIII IIII IIII IIII",
358 
  EF(l_lhs), 0, it_load },
359 133 markom 
 
360 1346 nogj 
{ "l.addi",    "rD,rA,I",      "10 0x7  DDDDD AAAAA IIII IIII IIII IIII",
361 
  EF(l_add), OR32_W_FLAG, it_arith },
362 
{ "l.addic",   "rD,rA,I",      "10 0x8  DDDDD AAAAA IIII IIII IIII IIII", EFI,
363 
  0, it_arith },
364 
{ "l.andi",    "rD,rA,K",      "10 0x9  DDDDD AAAAA KKKK KKKK KKKK KKKK",
365 
  EF(l_and), OR32_W_FLAG, it_arith },
366 
{ "l.ori",     "rD,rA,K",      "10 0xA  DDDDD AAAAA KKKK KKKK KKKK KKKK",
367 
  EF(l_or), 0, it_arith },
368 
{ "l.xori",    "rD,rA,I",      "10 0xB  DDDDD AAAAA IIII IIII IIII IIII",
369 
  EF(l_xor), 0, it_arith },
370 
{ "l.muli",    "rD,rA,I",      "10 0xC  DDDDD AAAAA IIII IIII IIII IIII",
371 
  EF(l_mul), 0, it_arith },
372 
{ "l.mfspr",   "rD,rA,K",      "10 0xD  DDDDD AAAAA KKKK KKKK KKKK KKKK",
373 
  EF(l_mfspr), 0, it_move },
374 
{ "l.slli",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 00LL LLLL",
375 
  EF(l_sll), 0, it_shift },
376 
{ "l.srli",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 01LL LLLL",
377 
  EF(l_srl), 0, it_shift },
378 
{ "l.srai",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 10LL LLLL",
379 
  EF(l_sra), 0, it_shift },
380 
{ "l.rori",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 11LL LLLL", EFI,
381 
  0, it_shift },
382 133 markom 
 
383 1346 nogj 
{ "l.sfeqi",   "rA,I",         "10 0xF  00000 AAAAA IIII IIII IIII IIII",
384 
  EF(l_sfeq), OR32_W_FLAG, it_compare },
385 
{ "l.sfnei",   "rA,I",         "10 0xF  00001 AAAAA IIII IIII IIII IIII",
386 
  EF(l_sfne), OR32_W_FLAG, it_compare },
387 
{ "l.sfgtui",  "rA,I",         "10 0xF  00010 AAAAA IIII IIII IIII IIII",
388 
  EF(l_sfgtu), OR32_W_FLAG, it_compare },
389 
{ "l.sfgeui",  "rA,I",         "10 0xF  00011 AAAAA IIII IIII IIII IIII",
390 
  EF(l_sfgeu), OR32_W_FLAG, it_compare },
391 
{ "l.sfltui",  "rA,I",         "10 0xF  00100 AAAAA IIII IIII IIII IIII",
392 
  EF(l_sfltu), OR32_W_FLAG, it_compare },
393 
{ "l.sfleui",  "rA,I",         "10 0xF  00101 AAAAA IIII IIII IIII IIII",
394 
  EF(l_sfleu), OR32_W_FLAG, it_compare },
395 
{ "l.sfgtsi",  "rA,I",         "10 0xF  01010 AAAAA IIII IIII IIII IIII",
396 
  EF(l_sfgts), OR32_W_FLAG, it_compare },
397 
{ "l.sfgesi",  "rA,I",         "10 0xF  01011 AAAAA IIII IIII IIII IIII",
398 
  EF(l_sfges), OR32_W_FLAG, it_compare },
399 
{ "l.sfltsi",  "rA,I",         "10 0xF  01100 AAAAA IIII IIII IIII IIII",
400 
  EF(l_sflts), OR32_W_FLAG, it_compare },
401 
{ "l.sflesi",  "rA,I",         "10 0xF  01101 AAAAA IIII IIII IIII IIII",
402 
  EF(l_sfles), OR32_W_FLAG, it_compare },
403 133 markom 
 
404 1346 nogj 
{ "l.mtspr",   "rA,rB,K",      "11 0x0  KKKKK AAAAA BBBB BKKK KKKK KKKK",
405 
  EF(l_mtspr), 0, it_move },
406 
{ "l.mac",     "rA,rB",        "11 0x1  ----- AAAAA BBBB B--- ---- 0x1",
407 
  EF(l_mac), 0, it_mac },
408 
{ "l.msb",     "rA,rB",        "11 0x1  ----- AAAAA BBBB B--- ---- 0x2",
409 
  EF(l_msb), 0, it_mac },
410 133 markom 
 
411 1346 nogj 
{ "lf.add.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x0",
412 
  EF(lf_add_s), 0, it_float },
413 
{ "lf.sub.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x1",
414 
  EF(lf_sub_s), 0, it_float },
415 
{ "lf.mul.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x2",
416 
  EF(lf_mul_s), 0, it_float },
417 
{ "lf.div.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x3",
418 
  EF(lf_div_s), 0, it_float },
419 
{ "lf.itof.s",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x0 0x4",
420 
  EF(lf_itof_s), 0, it_float },
421 
{ "lf.ftoi.s",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x0 0x5",
422 
  EF(lf_ftoi_s), 0, it_float },
423 
{ "lf.rem.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x6",
424 
  EF(lf_rem_s), 0, it_float },
425 
{ "lf.madd.s",  "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x7",
426 
  EF(lf_madd_s), 0, it_float },
427 
{ "lf.sfeq.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0x8",
428 
  EF(lf_sfeq_s), 0, it_float },
429 
{ "lf.sfne.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0x9",
430 
  EF(lf_sfne_s), 0, it_float },
431 
{ "lf.sfgt.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xA",
432 
  EF(lf_sfgt_s), 0, it_float },
433 
{ "lf.sfge.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xB",
434 
  EF(lf_sfge_s), 0, it_float },
435 
{ "lf.sflt.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xC",
436 
  EF(lf_sflt_s), 0, it_float },
437 
{ "lf.sfle.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xD",
438 
  EF(lf_sfle_s), 0, it_float },
439 
{ "lf.cust1.s", "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0xD ----", EFI,
440 
  0, it_float },
441 133 markom 
 
442 1346 nogj 
{ "lf.add.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0,
443 
  it_float },
444 
{ "lf.sub.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0,
445 
  it_float },
446 
{ "lf.mul.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0,
447 
  it_float },
448 
{ "lf.div.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0,
449 
  it_float },
450 
{ "lf.itof.d",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x1 0x4", EFI, 0,
451 
  it_float },
452 
{ "lf.ftoi.d",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x1 0x5", EFI, 0,
453 
  it_float },
454 
{ "lf.rem.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0,
455 
  it_float },
456 
{ "lf.madd.d",  "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0,
457 
  it_float },
458 
{ "lf.sfeq.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0x8", EFI, 0,
459 
  it_float },
460 
{ "lf.sfne.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0x9", EFI, 0,
461 
  it_float },
462 
{ "lf.sfgt.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xA", EFI, 0,
463 
  it_float },
464 
{ "lf.sfge.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xB", EFI, 0,
465 
  it_float },
466 
{ "lf.sflt.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xC", EFI, 0,
467 
  it_float },
468 
{ "lf.sfle.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xD", EFI, 0,
469 
  it_float },
470 
{ "lf.cust1.d", "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0xE ----", EFI, 0,
471 
  it_float },
472 676 markom 
 
473 1346 nogj 
{ "l.sd",      "I(rD),rB",     "11 0x4  IIIII DDDDD BBBB BIII IIII IIII", EFI,
474 
  0, it_store },
475 
{ "l.sw",      "I(rD),rB",     "11 0x5  IIIII DDDDD BBBB BIII IIII IIII",
476 
  EF(l_sw), 0, it_store },
477 
{ "l.sb",      "I(rD),rB",     "11 0x6  IIIII DDDDD BBBB BIII IIII IIII",
478 
  EF(l_sb), 0, it_store },
479 
{ "l.sh",      "I(rD),rB",     "11 0x7  IIIII DDDDD BBBB BIII IIII IIII",
480 
  EF(l_sh), 0, it_store },
481 1295 lampret 
 
482 1346 nogj 
{ "l.add",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x0",
483 
  EF(l_add), OR32_W_FLAG, it_arith },
484 
{ "l.addc",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x1",
485 
  EF(l_addc), OR32_W_FLAG, it_arith },
486 
{ "l.sub",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x2",
487 
  EF(l_sub), 0, it_arith },
488 
{ "l.and",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x3",
489 
  EF(l_and), OR32_W_FLAG, it_arith },
490 
{ "l.or",      "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x4",
491 
  EF(l_or), 0, it_arith },
492 
{ "l.xor",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x5",
493 
  EF(l_xor), 0, it_arith },
494 
{ "l.mul",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0x6",
495 
  EF(l_mul), 0, it_arith },
496 1295 lampret 
 
497 1346 nogj 
{ "l.sll",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 00-- 0x8",
498 
  EF(l_sll), 0, it_shift },
499 
{ "l.srl",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 01-- 0x8",
500 
  EF(l_srl), 0, it_shift },
501 
{ "l.sra",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 10-- 0x8",
502 
  EF(l_sra), 0, it_shift },
503 
{ "l.ror",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 11-- 0x8", EFI,
504 
  0, it_shift },
505 
{ "l.div",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0x9",
506 
  EF(l_div), 0, it_arith },
507 
{ "l.divu",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0xA",
508 
  EF(l_divu), 0, it_arith },
509 
{ "l.mulu",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0xB", EFI,
510 
  0, it_arith },
511 
{ "l.extbs",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 01-- 0xC",
512 
  EF(l_extbs), 0, it_move },
513 
{ "l.exths",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 00-- 0xC",
514 
  EF(l_exths), 0, it_move },
515 
{ "l.extws",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 00-- 0xD",
516 
  EF(l_extws), 0, it_move },
517 
{ "l.extbz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 11-- 0xC",
518 
  EF(l_extbz), 0, it_move },
519 
{ "l.exthz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 10-- 0xC",
520 
  EF(l_exthz), 0, it_move },
521 
{ "l.extwz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 01-- 0xD",
522 
  EF(l_extwz), 0, it_move },
523 
{ "l.cmov",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0xE",
524 
  EF(l_cmov), OR32_R_FLAG, it_move },
525 
{ "l.ff1",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0xF", EFI,
526 
  0, it_arith },
527 133 markom 
 
528 1346 nogj 
{ "l.sfeq",    "rA,rB",        "11 0x9  00000 AAAAA BBBB B--- ---- ----",
529 
  EF(l_sfeq), OR32_W_FLAG, it_compare },
530 
{ "l.sfne",    "rA,rB",        "11 0x9  00001 AAAAA BBBB B--- ---- ----",
531 
  EF(l_sfne), OR32_W_FLAG, it_compare },
532 
{ "l.sfgtu",   "rA,rB",        "11 0x9  00010 AAAAA BBBB B--- ---- ----",
533 
  EF(l_sfgtu), OR32_W_FLAG, it_compare },
534 
{ "l.sfgeu",   "rA,rB",        "11 0x9  00011 AAAAA BBBB B--- ---- ----",
535 
  EF(l_sfgeu), OR32_W_FLAG, it_compare },
536 
{ "l.sfltu",   "rA,rB",        "11 0x9  00100 AAAAA BBBB B--- ---- ----",
537 
  EF(l_sfltu), OR32_W_FLAG, it_compare },
538 
{ "l.sfleu",   "rA,rB",        "11 0x9  00101 AAAAA BBBB B--- ---- ----",
539 
  EF(l_sfleu), OR32_W_FLAG, it_compare },
540 
{ "l.sfgts",   "rA,rB",        "11 0x9  01010 AAAAA BBBB B--- ---- ----",
541 
  EF(l_sfgts), OR32_W_FLAG, it_compare },
542 
{ "l.sfges",   "rA,rB",        "11 0x9  01011 AAAAA BBBB B--- ---- ----",
543 
  EF(l_sfges), OR32_W_FLAG, it_compare },
544 
{ "l.sflts",   "rA,rB",        "11 0x9  01100 AAAAA BBBB B--- ---- ----",
545 
  EF(l_sflts), OR32_W_FLAG, it_compare },
546 
{ "l.sfles",   "rA,rB",        "11 0x9  01101 AAAAA BBBB B--- ---- ----",
547 
  EF(l_sfles), OR32_W_FLAG, it_compare },
548 676 markom 
 
549 1346 nogj 
{ "l.cust5",   "rD,rA,rB,L,K", "11 0xC  DDDDD AAAAA BBBB BLLL LLLK KKKK", EFI,
550 
  0, it_unknown },
551 
{ "l.cust6",   "",             "11 0xD  ----- ----- ---- ---- ---- ----", EFI,
552 
  0, it_unknown },
553 
{ "l.cust7",   "",             "11 0xE  ----- ----- ---- ---- ---- ----", EFI,
554 
  0, it_unknown },
555 
{ "l.cust8",   "",             "11 0xF  ----- ----- ---- ---- ---- ----", EFI,
556 
  0, it_unknown },
557 133 markom 
 
558 221 markom 
/* This section should not be defined in or1ksim, since it contains duplicates,
559 
   which would cause machine builder to complain.  */
560 374 simons 
#ifdef HAS_CUST
561 1346 nogj 
{ "l.cust5_1",   "rD",         "11 0xC  DDDDD ----- ---- ---- ---- ----", EFI,
562 
  0, it_unknown },
563 
{ "l.cust5_2",   "rD,rA"   ,   "11 0xC  DDDDD AAAAA ---- ---- ---- ----", EFI,
564 
  0, it_unknown },
565 
{ "l.cust5_3",   "rD,rA,rB",   "11 0xC  DDDDD AAAAA BBBB B--- ---- ----", EFI,
566 
  0, it_unknown },
567 221 markom 
 
568 1346 nogj 
{ "l.cust6_1",   "rD",         "11 0xD  DDDDD ----- ---- ---- ---- ----", EFI,
569 
  0, it_unknown },
570 
{ "l.cust6_2",   "rD,rA"   ,   "11 0xD  DDDDD AAAAA ---- ---- ---- ----", EFI,
571 
  0, it_unknown },
572 
{ "l.cust6_3",   "rD,rA,rB",   "11 0xD  DDDDD AAAAA BBBB B--- ---- ----", EFI,
573 
  0, it_unknown },
574 221 markom 
 
575 1346 nogj 
{ "l.cust7_1",   "rD",         "11 0xE  DDDDD ----- ---- ---- ---- ----", EFI,
576 
  0, it_unknown },
577 
{ "l.cust7_2",   "rD,rA"   ,   "11 0xE  DDDDD AAAAA ---- ---- ---- ----", EFI,
578 
  0, it_unknown },
579 
{ "l.cust7_3",   "rD,rA,rB",   "11 0xE  DDDDD AAAAA BBBB B--- ---- ----", EFI,
580 
  0, it_unknown },
581 221 markom 
 
582 1346 nogj 
{ "l.cust8_1",   "rD",         "11 0xF  DDDDD ----- ---- ---- ---- ----", EFI,
583 
  0, it_unknown },
584 
{ "l.cust8_2",   "rD,rA"   ,   "11 0xF  DDDDD AAAAA ---- ---- ---- ----", EFI,
585 
  0, it_unknown },
586 
{ "l.cust8_3",   "rD,rA,rB",   "11 0xF  DDDDD AAAAA BBBB B--- ---- ----", EFI,
587 
  0, it_unknown },
588 221 markom 
#endif
589 
 
590 1346 nogj 
{ "", "", "", EFI, 0, 0 }  /* Dummy entry, not included in num_opcodes.  This
591 
                            * lets code examine entry i+1 without checking
592 
                            * if we've run off the end of the table.  */
593 133 markom 
};
594 
 
595 
#undef EFI
596 
#undef EFN
597 
#undef EF
598 
 
599 
/* **INDENT-ON** */
600 
 
601 371 markom 
/* Define dummy, if debug is not defined.  */
602 1341 nogj 
#ifndef HAS_DEBUG
603 
#define debug(l, fmt...) ;
604 371 markom 
#endif
605 133 markom 
 
606 371 markom 
CONST int num_opcodes = ((sizeof(or32_opcodes)) / (sizeof(struct or32_opcode))) - 1;
607 
 
608 138 markom 
/* Calculates instruction length in bytes. Always 4 for OR32. */
609 
int
610 
insn_len(int insn_index)
611 133 markom 
{
612 
  insn_index = 0; /* Just to get rid that warning.  */
613 
  return 4;
614 
}
615 
 
616 
/* Is individual insn's operand signed or unsigned? */
617 138 markom 
int
618 
letter_signed(char l)
619 133 markom 
{
620 
  CONST struct or32_letter *pletter;
621 
 
622 
  for(pletter = or32_letters; pletter->letter != '\0'; pletter++)
623 
    if (pletter->letter == l)
624 
      return pletter->sign;
625 
 
626 
  printf("letter_signed(%c): Unknown letter.\n", l);
627 
  return 0;
628 
}
629 
 
630 703 markom 
/* Simple cache for letter ranges */
631 
static int range_cache[256] = {0};
632 
 
633 133 markom 
/* Number of letters in the individual lettered operand. */
634 138 markom 
int
635 
letter_range(char l)
636 133 markom 
{
637 
  CONST struct or32_opcode *pinsn;
638 
  char *enc;
639 
  int range = 0;
640 703 markom 
 
641 
  /* Is value cached? */
642 1308 phoenix 
  if ((range = range_cache[(unsigned char)l])) return range;
643 133 markom 
 
644 138 markom 
  for(pinsn = or32_opcodes; strlen(pinsn->name); pinsn++)
645 
    {
646 
      if (strchr(pinsn->encoding,l))
647 
        {
648 
          for (enc = pinsn->encoding; *enc != '\0'; enc++)
649 
            if ((*enc == '0') && (*(enc+1) == 'x'))
650 
              enc += 2;
651 
            else if (*enc == l)
652 
              range++;
653 703 markom 
          return range_cache[(unsigned char)l] = range;
654 133 markom 
        }
655 
    }
656 703 markom 
 
657 133 markom 
  printf("\nABORT: letter_range(%c): Never used letter.\n", l);
658 
  exit(1);
659 
}
660 
 
661 
/* MM: Returns index of given instruction name.  */
662 138 markom 
int
663 
insn_index (char *insn)
664 
{
665 133 markom 
  int i, found = -1;
666 371 markom 
  for (i = 0; i < num_opcodes; i++)
667 138 markom 
    if (!strcmp (or32_opcodes[i].name, insn))
668 
      {
669 
        found = i;
670 
        break;
671 
      }
672 133 markom 
  return found;
673 
}
674 
 
675 717 markom 
/* Returns name of the specified instruction index */
676 
CONST char *
677 
insn_name(int index)
678 138 markom 
{
679 371 markom 
  if (index >= 0 && index < num_opcodes)
680 133 markom 
    return or32_opcodes[index].name;
681 
  else
682 
    return "???";
683 
}
684 
 
685 1342 nogj 
#if defined(HAS_EXECUTION) && SIMPLE_EXECUTION
686 717 markom 
void
687 1342 nogj 
l_none(struct iqueue_entry *current)
688 
{
689 
}
690 
#else
691 
void
692 717 markom 
l_none()
693 138 markom 
{
694 133 markom 
}
695 1342 nogj 
#endif
696 133 markom 
 
697 
/*** Finite automata for instruction decoding building code ***/
698 
 
699 1341 nogj 
/* Find symbols in encoding.  */
700 706 markom 
unsigned long
701 133 markom 
insn_extract(param_ch, enc_initial)
702 
     char param_ch;
703 
     char *enc_initial;
704 
{
705 
  char *enc;
706 
  unsigned long ret = 0;
707 
  unsigned opc_pos = 32;
708 
  for (enc = enc_initial; *enc != '\0'; )
709 
    if ((*enc == '0') && (*(enc+1) == 'x'))
710 
      {
711 
        unsigned long tmp = strtol(enc+2, NULL, 16);
712 
        opc_pos -= 4;
713 138 markom 
        if (param_ch == '0' || param_ch == '1')
714 
          {
715 
            if (param_ch == '0')
716 
              tmp = 15 - tmp;
717 
            ret |= tmp << opc_pos;
718 
          }
719 133 markom 
        enc += 3;
720 
      }
721 138 markom 
    else
722 
      {
723 
        if (*enc == '0' || *enc == '1' || *enc == '-' || isalpha(*enc) )
724 
          {
725 
            opc_pos--;
726 
            if (param_ch == *enc)
727 
              ret |= 1 << opc_pos;
728 
          }
729 
        enc++;
730 133 markom 
      }
731 
  return ret;
732 
}
733 
 
734 138 markom 
#define MAX_AUTOMATA_SIZE (1200)
735 
#define MAX_OP_TABLE_SIZE (1200)
736 133 markom 
#define MAX_LEN           (8)
737 
 
738 
#ifndef MIN
739 
# define MIN(x,y)          ((x) < (y) ? (x) : (y))
740 
#endif
741 
 
742 
unsigned long *automata;
743 
int nuncovered;
744 
int curpass = 0;
745 
 
746 1341 nogj 
/* MM: Struct that holds runtime build information about instructions.  */
747 1342 nogj 
struct temp_insn_struct *ti;
748 138 markom 
 
749 
struct insn_op_struct *op_data, **op_start;
750 
 
751 
/* Recursive utility function used to find best match and to build automata.  */
752 
 
753 
static unsigned long *
754 
cover_insn (unsigned long *cur, int pass, unsigned int mask)
755 
{
756 133 markom 
  int best_first = 0, best_len = 0, i, last_match = -1, ninstr = 0;
757 
  unsigned long cur_mask = mask;
758 
  unsigned long *next;
759 
 
760 
  for (i = 0; i < num_opcodes; i++)
761 138 markom 
    if (ti[i].in_pass == pass)
762 
      {
763 
        cur_mask &= ti[i].insn_mask;
764 
        ninstr++;
765 
        last_match = i;
766 
      }
767 
 
768 344 markom 
  debug(8, "%08X %08X\n", mask, cur_mask);
769 138 markom 
  if (ninstr == 0)
770 
    return 0;
771 
  if (ninstr == 1)
772 
    {
773 
      /* Leaf holds instruction index. */
774 344 markom 
      debug(8, "%i>I%i %s\n", cur - automata, last_match, or32_opcodes[last_match].name);
775 138 markom 
      *cur = LEAF_FLAG | last_match;
776 
      cur++;
777 
      nuncovered--;
778 
    } else {
779 
      /* Find longest match.  */
780 
      for (i = 0; i < 32; i++)
781 
        {
782 
          int len;
783 
          for (len = best_len + 1; len < MIN(MAX_LEN, 33 - i); len++)
784 
            {
785 
              unsigned long m = (1UL << ((unsigned long)len)) - 1;
786 344 markom 
              debug(9, " (%i(%08X & %08X>>%i = %08X, %08X)",len,m, cur_mask, i, (cur_mask >> (unsigned)i), (cur_mask >> (unsigned)i) & m);
787 138 markom 
              if ((m & (cur_mask >> (unsigned)i)) == m)
788 
                {
789 
                  best_len = len;
790 
                  best_first = i;
791 344 markom 
                  debug(9, "!");
792 138 markom 
                }
793 
              else
794 
                break;
795 
            }
796 
        }
797 344 markom 
      debug(9, "\n");
798 138 markom 
      if (!best_len)
799 
        {
800 
          fprintf (stderr, "%i instructions match mask 0x%08X:\n", ninstr, mask);
801 
          for (i = 0; i < num_opcodes; i++)
802 
            if (ti[i].in_pass == pass)
803 
              fprintf (stderr, "%s ", or32_opcodes[i].name);
804 
 
805 
          fprintf (stderr, "\n");
806 
          exit (1);
807 
        }
808 344 markom 
      debug(8, "%i> #### %i << %i (%i) ####\n", cur - automata, best_len, best_first, ninstr);
809 138 markom 
      *cur = best_first;
810 
      cur++;
811 
      *cur = (1 << best_len) - 1;
812 
      cur++;
813 
      next = cur;
814 
      /* Allocate space for pointers.  */
815 
      cur += 1 << best_len;
816 
      cur_mask = (1 << (unsigned long)best_len) - 1;
817 
 
818 
      for (i = 0; i < (1 << (unsigned long)best_len); i++)
819 
        {
820 
          int j;
821 
          unsigned long *c;
822 
          curpass++;
823 
          for (j = 0; j < num_opcodes; j++)
824 
            if (ti[j].in_pass == pass
825 371 markom 
                && ((ti[j].insn >> best_first) & cur_mask) == (unsigned long) i
826 138 markom 
                && ((ti[j].insn_mask >> best_first) & cur_mask) == cur_mask)
827 
              ti[j].in_pass = curpass;
828 
 
829 344 markom 
          debug(9, "%08X %08X %i\n", mask, cur_mask, best_first);
830 138 markom 
          c = cover_insn (cur, curpass, mask & (~(cur_mask << best_first)));
831 
          if (c)
832 
            {
833 344 markom 
              debug(8, "%i> #%X -> %u\n", next - automata, i, cur - automata);
834 138 markom 
              *next = cur - automata;
835 
              cur = c;
836 
            }
837 
          else
838 
            {
839 344 markom 
              debug(8, "%i> N/A\n", next - automata);
840 138 markom 
              *next = 0;
841 
            }
842 
          next++;
843 
        }
844 133 markom 
    }
845 138 markom 
  return cur;
846 
}
847 133 markom 
 
848 138 markom 
/* Returns number of nonzero bits. */
849 
static int
850 
num_ones (unsigned long value)
851 
{
852 
  int c = 0;
853 
  while (value)
854 
    {
855 
      if (value & 1)
856 
        c++;
857 
      value >>= 1;
858 133 markom 
    }
859 138 markom 
  return c;
860 
}
861 133 markom 
 
862 138 markom 
/* Utility function, which converts parameters from or32_opcode format to more binary form.
863 
   Parameters are stored in ti struct.  */
864 
 
865 
static struct insn_op_struct *
866 
parse_params (CONST struct or32_opcode *opcode, struct insn_op_struct *cur)
867 
{
868 
  char *args = opcode->args;
869 
  int i, type;
870 1346 nogj 
  int num_cur_op = 0;;
871 138 markom 
 
872 
  i = 0;
873 
  type = 0;
874 262 markom 
  /* In case we don't have any parameters, we add dummy read from r0.  */
875 
  if (!(*args)) {
876 263 markom 
    cur->type = OPTYPE_REG | OPTYPE_OP | OPTYPE_LAST;
877 262 markom 
    cur->data = 0;
878 355 markom 
    debug(9, "#%08X %08X\n", cur->type, cur->data);
879 262 markom 
    cur++;
880 
    return cur;
881 
  }
882 
 
883 138 markom 
  while (*args != '\0')
884 
    {
885 
      if (*args == 'r')
886 
        {
887 
          args++;
888 
          type |= OPTYPE_REG;
889 1341 nogj 
          if(args[1] == 'D')
890 
            type |= OPTYPE_DST;
891 133 markom 
        }
892 138 markom 
      else if (isalpha (*args))
893 
        {
894 
          unsigned long arg;
895 
          arg = insn_extract(*args, opcode->encoding);
896 355 markom 
          debug(9, "%s : %08X ------\n", opcode->name, arg);
897 138 markom 
          if (letter_signed (*args))
898 
            {
899 
              type |= OPTYPE_SIG;
900 
              type |= ((num_ones (arg) - 1) << OPTYPE_SBIT_SHR) & OPTYPE_SBIT;
901 
            }
902 
 
903 1346 nogj 
          num_cur_op = 0;
904 138 markom 
          /* Split argument to sequences of consecutive ones.  */
905 
          while (arg)
906 
            {
907 
              int shr = 0;
908 
              unsigned long tmp = arg, mask = 0;
909 
              while ((tmp & 1) == 0)
910 
                {
911 
                  shr++;
912 
                  tmp >>= 1;
913 
                }
914 
              while (tmp & 1)
915 
                {
916 
                  mask++;
917 
                  tmp >>= 1;
918 
                }
919 
              cur->type = type | shr;
920 
              cur->data = mask;
921 
              arg &= ~(((1 << mask) - 1) << shr);
922 355 markom 
              debug(6, "|%08X %08X\n", cur->type, cur->data);
923 138 markom 
              cur++;
924 1346 nogj 
              num_cur_op++;
925 138 markom 
            }
926 
          args++;
927 
        }
928 
      else if (*args == '(')
929 
        {
930 
          /* Next param is displacement.  Later we will treat them as one operand.  */
931 1346 nogj 
          /* Set the OPTYPE_DIS flag on all insn_op_structs that belong to this
932 
           * operand */
933 
          while(num_cur_op > 0) {
934 
            cur[-num_cur_op].type |= type | OPTYPE_DIS;
935 
            num_cur_op--;
936 
          }
937 
          cur[-1].type |= OPTYPE_OP;
938 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
939 138 markom 
          type = 0;
940 
          i++;
941 
          args++;
942 
        }
943 
      else if (*args == OPERAND_DELIM)
944 
        {
945 
          cur--;
946 
          cur->type = type | cur->type | OPTYPE_OP;
947 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
948 138 markom 
          cur++;
949 
          type = 0;
950 
          i++;
951 
          args++;
952 
        }
953 
      else if (*args == '0')
954 
        {
955 
          cur->type = type;
956 
          cur->data = 0;
957 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
958 138 markom 
          cur++;
959 
          type = 0;
960 
          i++;
961 
          args++;
962 
        }
963 
      else if (*args == ')')
964 
        args++;
965 
      else
966 
        {
967 
          fprintf (stderr, "%s : parse error in args.\n", opcode->name);
968 
          exit (1);
969 
        }
970 133 markom 
    }
971 138 markom 
  cur--;
972 
  cur->type = type | cur->type | OPTYPE_OP | OPTYPE_LAST;
973 355 markom 
  debug(9, "#%08X %08X\n", cur->type, cur->data);
974 138 markom 
  cur++;
975 133 markom 
  return cur;
976 
}
977 
 
978 138 markom 
/* Constructs new automata based on or32_opcodes array.  */
979 
 
980 
void
981 
build_automata()
982 
{
983 371 markom 
  int i;
984 133 markom 
  unsigned long *end;
985 138 markom 
  struct insn_op_struct *cur;
986 
 
987 133 markom 
  automata = (unsigned long *) malloc (MAX_AUTOMATA_SIZE * sizeof (unsigned long));
988 138 markom 
  ti = (struct temp_insn_struct *) malloc (sizeof (struct temp_insn_struct) * num_opcodes);
989 133 markom 
 
990 
  nuncovered = num_opcodes;
991 709 markom 
 
992 
#ifdef HAS_EXECUTION
993 138 markom 
  printf("Building automata... ");
994 709 markom 
#endif
995 
 
996 133 markom 
  /* Build temporary information about instructions.  */
997 138 markom 
  for (i = 0; i < num_opcodes; i++)
998 
    {
999 
      unsigned long ones, zeros;
1000 
      char *encoding = or32_opcodes[i].encoding;
1001 
      ones  = insn_extract('1', encoding);
1002 
      zeros = insn_extract('0', encoding);
1003 
      ti[i].insn_mask = ones | zeros;
1004 
      ti[i].insn = ones;
1005 
      ti[i].in_pass = curpass = 0;
1006 344 markom 
      /*debug(9, "%s: %s %08X %08X\n", or32_opcodes[i].name,
1007 138 markom 
        or32_opcodes[i].encoding, ti[i].insn_mask, ti[i].insn);*/
1008 
    }
1009 133 markom 
 
1010 
  /* Until all are covered search for best criteria to separate them.  */
1011 138 markom 
  end = cover_insn (automata, curpass, 0xFFFFFFFF);
1012 
  if (end - automata > MAX_AUTOMATA_SIZE)
1013 
    {
1014 
      fprintf (stderr, "Automata too large. Increase MAX_AUTOMATA_SIZE.");
1015 
      exit (1);
1016 
    }
1017 709 markom 
#ifdef HAS_EXECUTION
1018 138 markom 
  printf("done, num uncovered: %i/%i.\n", nuncovered, num_opcodes);
1019 709 markom 
#endif
1020 371 markom 
 
1021 709 markom 
#ifdef HAS_EXECUTION
1022 138 markom 
  printf("Parsing operands data... ");
1023 709 markom 
#endif
1024 138 markom 
  op_data = (struct insn_op_struct *) malloc (MAX_OP_TABLE_SIZE * sizeof (struct insn_op_struct));
1025 
  op_start = (struct insn_op_struct **) malloc (num_opcodes * sizeof (struct insn_op_struct *));
1026 
  cur = op_data;
1027 
  for (i = 0; i < num_opcodes; i++)
1028 
    {
1029 
      op_start[i] = cur;
1030 
      cur = parse_params (&or32_opcodes[i], cur);
1031 
      if (cur - op_data > MAX_OP_TABLE_SIZE)
1032 
        {
1033 
          fprintf (stderr, "Operands table too small, increase MAX_OP_TABLE_SIZE.\n");
1034 
          exit (1);
1035 
        }
1036 
    }
1037 709 markom 
#ifdef HAS_EXECUTION
1038 138 markom 
  printf("done.\n");
1039 709 markom 
#endif
1040 133 markom 
}
1041 
 
1042 138 markom 
void destruct_automata ()
1043 
{
1044 
  free (ti);
1045 133 markom 
  free (automata);
1046 138 markom 
  free (op_data);
1047 
  free (op_start);
1048 133 markom 
}
1049 
 
1050 
/* Decodes instruction and returns instruction index.  */
1051 138 markom 
int insn_decode (unsigned int insn)
1052 
{
1053 133 markom 
  unsigned long *a = automata;
1054 138 markom 
  int i;
1055 
  while (!(*a & LEAF_FLAG))
1056 
    {
1057 
      unsigned int first = *a;
1058 703 markom 
      //debug(9, "%i ", a - automata);
1059 138 markom 
      a++;
1060 
      i = (insn >> first) & *a;
1061 
      a++;
1062 
      if (!*(a + i))
1063 
        { /* Invalid instruction found?  */
1064 703 markom 
          //debug(9, "XXX\n", i);
1065 138 markom 
          return -1;
1066 
        }
1067 
      a = automata + *(a + i);
1068 
    }
1069 
  i = *a & ~LEAF_FLAG;
1070 703 markom 
  //debug(9, "%i\n", i);
1071 138 markom 
  /* Final check - do we have direct match?
1072 
     (based on or32_opcodes this should be the only possibility,
1073 
     but in case of invalid/missing instruction we must perform a check)  */
1074 
  if ((ti[i].insn_mask & insn) == ti[i].insn)
1075 
    return i;
1076 
  else
1077 
    return -1;
1078 133 markom 
}
1079 371 markom 
 
1080 
static char disassembled_str[50];
1081 
char *disassembled = &disassembled_str[0];
1082 
 
1083 
/* Automagically does zero- or sign- extension and also finds correct
1084 
   sign bit position if sign extension is correct extension. Which extension
1085 
   is proper is figured out from letter description. */
1086 
 
1087 879 markom 
unsigned long
1088 371 markom 
extend_imm(unsigned long imm, char l)
1089 
{
1090 
  unsigned long mask;
1091 
  int letter_bits;
1092 
 
1093 
  /* First truncate all bits above valid range for this letter
1094 
     in case it is zero extend. */
1095 
  letter_bits = letter_range(l);
1096 
  mask = (1 << letter_bits) - 1;
1097 
  imm &= mask;
1098 
 
1099 
  /* Do sign extend if this is the right one. */
1100 
  if (letter_signed(l) && (imm >> (letter_bits - 1)))
1101 
    imm |= (~mask);
1102 
 
1103 
  return imm;
1104 
}
1105 
 
1106 879 markom 
unsigned long
1107 371 markom 
or32_extract(param_ch, enc_initial, insn)
1108 
     char param_ch;
1109 
     char *enc_initial;
1110 
     unsigned long insn;
1111 
{
1112 
  char *enc;
1113 
  unsigned long ret = 0;
1114 
  int opc_pos = 0;
1115 
  int param_pos = 0;
1116 
 
1117 
  for (enc = enc_initial; *enc != '\0'; enc++)
1118 
    if (*enc == param_ch)
1119 
      {
1120 
        if (enc - 2 >= enc_initial && (*(enc - 2) == '0') && (*(enc - 1) == 'x'))
1121 
          continue;
1122 
        else
1123 
          param_pos++;
1124 
      }
1125 
 
1126 
#if DEBUG
1127 
  printf("or32_extract: %x ", param_pos);
1128 
#endif
1129 
  opc_pos = 32;
1130 
  for (enc = enc_initial; *enc != '\0'; )
1131 
    if ((*enc == '0') && (*(enc+1) == 'x'))
1132 
      {
1133 
        opc_pos -= 4;
1134 
        if ((param_ch == '0') || (param_ch == '1'))
1135 
          {
1136 
            unsigned long tmp = strtol(enc, NULL, 16);
1137 
#if DEBUG
1138 
            printf(" enc=%s, tmp=%x ", enc, tmp);
1139 
#endif
1140 
            if (param_ch == '0')
1141 
              tmp = 15 - tmp;
1142 
            ret |= tmp << opc_pos;
1143 
          }
1144 
        enc += 3;
1145 
      }
1146 
    else if ((*enc == '0') || (*enc == '1'))
1147 
      {
1148 
        opc_pos--;
1149 
        if (param_ch == *enc)
1150 
          ret |= 1 << opc_pos;
1151 
        enc++;
1152 
      }
1153 
    else if (*enc == param_ch)
1154 
      {
1155 
        opc_pos--;
1156 
        param_pos--;
1157 
#if DEBUG
1158 
        printf("\n  ret=%x opc_pos=%x, param_pos=%x\n", ret, opc_pos, param_pos);
1159 
#endif
1160 
        if (islower(param_ch))
1161 
          ret -= ((insn >> opc_pos) & 0x1) << param_pos;
1162 
        else
1163 
          ret += ((insn >> opc_pos) & 0x1) << param_pos;
1164 
        enc++;
1165 
      }
1166 
    else if (isalpha(*enc))
1167 
      {
1168 
        opc_pos--;
1169 
        enc++;
1170 
      }
1171 
    else if (*enc == '-')
1172 
      {
1173 
        opc_pos--;
1174 
        enc++;
1175 
      }
1176 
    else
1177 
      enc++;
1178 
 
1179 
#if DEBUG
1180 
  printf ("ret=%x\n", ret);
1181 
#endif
1182 
  return ret;
1183 
}
1184 
 
1185 
/* Print register. Used only by print_insn. */
1186 
 
1187 703 markom 
static char *
1188 
or32_print_register (dest, param_ch, encoding, insn)
1189 
     char *dest;
1190 371 markom 
     char param_ch;
1191 
     char *encoding;
1192 
     unsigned long insn;
1193 
{
1194 
  int regnum = or32_extract(param_ch, encoding, insn);
1195 
 
1196 703 markom 
  sprintf (dest, "r%d", regnum);
1197 
  while (*dest) dest++;
1198 
  return dest;
1199 371 markom 
}
1200 
 
1201 
/* Print immediate. Used only by print_insn. */
1202 
 
1203 703 markom 
static char *
1204 
or32_print_immediate (dest, param_ch, encoding, insn)
1205 
     char *dest;
1206 371 markom 
     char param_ch;
1207 
     char *encoding;
1208 
     unsigned long insn;
1209 
{
1210 
  int imm = or32_extract (param_ch, encoding, insn);
1211 
 
1212 
  imm = extend_imm(imm, param_ch);
1213 
 
1214 
  if (letter_signed(param_ch))
1215 
    {
1216 
      if (imm < 0)
1217 703 markom 
        sprintf (dest, "%d", imm);
1218 371 markom 
      else
1219 703 markom 
        sprintf (dest, "0x%x", imm);
1220 371 markom 
    }
1221 
  else
1222 703 markom 
    sprintf (dest, "%#x", imm);
1223 
  while (*dest) dest++;
1224 
  return dest;
1225 371 markom 
}
1226 
 
1227 
/* Disassemble one instruction from insn to disassemble.
1228 
   Return the size of the instruction.  */
1229 
 
1230 
int
1231 
disassemble_insn (insn)
1232 
     unsigned long insn;
1233 
{
1234 703 markom 
  return disassemble_index (insn, insn_decode (insn));
1235 
}
1236 371 markom 
 
1237 703 markom 
/* Disassemble one instruction from insn index.
1238 
   Return the size of the instruction.  */
1239 
 
1240 
int
1241 
disassemble_index (insn, index)
1242 
     unsigned long insn;
1243 
     int index;
1244 
{
1245 
  char *dest = disassembled;
1246 371 markom 
  if (index >= 0)
1247 
    {
1248 
      struct or32_opcode const *opcode = &or32_opcodes[index];
1249 
      char *s;
1250 
 
1251 703 markom 
      strcpy (dest, opcode->name);
1252 
      while (*dest) dest++;
1253 
      *dest++ = ' ';
1254 
      *dest = 0;
1255 
 
1256 371 markom 
      for (s = opcode->args; *s != '\0'; ++s)
1257 
        {
1258 
          switch (*s)
1259 
            {
1260 
            case '\0':
1261 703 markom 
              return insn_len (insn);
1262 714 markom 
 
1263 371 markom 
            case 'r':
1264 703 markom 
              dest = or32_print_register(dest, *++s, opcode->encoding, insn);
1265 371 markom 
              break;
1266 714 markom 
 
1267 371 markom 
            default:
1268 
              if (strchr (opcode->encoding, *s))
1269 703 markom 
                dest = or32_print_immediate (dest, *s, opcode->encoding, insn);
1270 
              else {
1271 
                *dest++ = *s;
1272 
                *dest = 0;
1273 
              }
1274 371 markom 
            }
1275 
        }
1276 
    }
1277 
  else
1278 
    {
1279 
      /* This used to be %8x for binutils.  */
1280 1308 phoenix 
      sprintf(dest, ".word 0x%08lx", insn);
1281 703 markom 
      while (*dest) dest++;
1282 371 markom 
    }
1283 
  return insn_len (insn);
1284 
}

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