opcodes/hppa-dis.c

   1 /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
   2    Copyright 1989, 1990, 1992, 1993 Free Software Foundation, Inc.
   3
   4    Contributed by the Center for Software Science at the
   5    University of Utah (pa-gdb-bugs@cs.utah.edu).
   6
   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 #include <ansidecl.h>
  22 #include "sysdep.h"
  23 #include "dis-asm.h"
  24 #include "libhppa.h"
  25 #include "opcode/hppa.h"
  26
  27 /* Integer register names, indexed by the numbers which appear in the
  28    opcodes.  */
  29 static const char *const reg_names[] =
  30  {"flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
  31   "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19",
  32   "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1",
  33   "sp", "r31"};
  34
  35 /* Floating point register names, indexed by the numbers which appear in the
  36    opcodes.  */
  37 static const char *const fp_reg_names[] =
  38  {"fpsr", "fpe2", "fpe4", "fpe6",
  39   "fr4", "fr5", "fr6", "fr7", "fr8",
  40   "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
  41   "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
  42   "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31"};
  43
  44 typedef unsigned int CORE_ADDR;
  45
  46 /* Get at various relevent fields of an instruction word. */
  47
  48 #define MASK_5 0x1f
  49 #define MASK_10 0x3ff
  50 #define MASK_11 0x7ff
  51 #define MASK_14 0x3fff
  52 #define MASK_21 0x1fffff
  53
  54 /* This macro gets bit fields using HP's numbering (MSB = 0) */
  55
  56 #define GET_FIELD(X, FROM, TO) \
  57   ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
  58
  59 /* Some of these have been converted to 2-d arrays because they
  60    consume less storage this way.  If the maintenance becomes a
  61    problem, convert them back to const 1-d pointer arrays.  */
  62 static const char *const control_reg[] = {
  63   "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
  64   "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4",
  65   "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr",
  66   "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3",
  67   "tr4", "tr5", "tr6", "tr7"
  68 };
  69
  70 static const char *const compare_cond_names[] = {
  71   "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
  72   ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
  73 };
  74 static const char *const compare_cond_64_names[] = {
  75   "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
  76   ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
  77 };
  78 static const char *const cmpib_cond_64_names[] = {
  79   ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
  80 };
  81 static const char *const add_cond_names[] = {
  82   "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
  83   ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
  84 };
  85 static const char *const add_cond_64_names[] = {
  86   "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
  87   ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
  88 };
  89 static const char *const wide_add_cond_names[] = {
  90   "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
  91   ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
  92 };
  93 static const char *const logical_cond_names[] = {
  94   "", ",=", ",<", ",<=", 0, 0, 0, ",od",
  95   ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
  96 static const char *const logical_cond_64_names[] = {
  97   "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
  98   ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
  99 static const char *const unit_cond_names[] = {
 100   "", 0, ",sbz", ",shz", ",sdc", 0, ",sbc", ",shc",
 101   ",tr", 0, ",nbz", ",nhz", ",ndc", 0, ",nbc", ",nhc"
 102 };
 103 static const char *const unit_cond_64_names[] = {
 104   "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc",
 105   ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc"
 106 };
 107 static const char *const shift_cond_names[] = {
 108   "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
 109 };
 110 static const char *const shift_cond_64_names[] = {
 111   "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
 112 };
 113 static const char *const bb_cond_64_names[] = {
 114   ",*<", ",*>="
 115 };
 116 static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
 117 static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
 118 static const char *const short_bytes_compl_names[] = {
 119   "", ",b,m", ",e", ",e,m"
 120 };
 121 static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
 122 static const char *const float_comp_names[] =
 123 {
 124   ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
 125   ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
 126   ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
 127   ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
 128 };
 129 static const char *const signed_unsigned_names[] = {",u", ",s"};
 130 static const char *const mix_half_names[] = {",l", ",r"};
 131 static const char *const saturation_names[] = {",us", ",ss", 0, ""};
 132 static const char *const read_write_names[] = {",r", ",w"};
 133 static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
 134
 135 /* For a bunch of different instructions form an index into a
 136    completer name table. */
 137 #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
 138                          GET_FIELD (insn, 18, 18) << 1)
 139
 140 #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
 141                         (GET_FIELD ((insn), 19, 19) ? 8 : 0))
 142
 143 /* Utility function to print registers.  Put these first, so gcc's function
 144    inlining can do its stuff.  */
 145
 146 #define fputs_filtered(STR,F)   (*info->fprintf_func) (info->stream, "%s", STR)
 147
 148 static void
 149 fput_reg (reg, info)
 150      unsigned reg;
 151      disassemble_info *info;
 152 {
 153   (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
 154 }
 155
 156 static void
 157 fput_fp_reg (reg, info)
 158      unsigned reg;
 159      disassemble_info *info;
 160 {
 161   (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0");
 162 }
 163
 164 static void
 165 fput_fp_reg_r (reg, info)
 166      unsigned reg;
 167      disassemble_info *info;
 168 {
 169   /* Special case floating point exception registers.  */
 170   if (reg < 4)
 171     (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
 172   else
 173     (*info->fprintf_func) (info->stream, "%sR", reg ? fp_reg_names[reg]
 174                                                     : "fr0");
 175 }
 176
 177 static void
 178 fput_creg (reg, info)
 179      unsigned reg;
 180      disassemble_info *info;
 181 {
 182   (*info->fprintf_func) (info->stream, control_reg[reg]);
 183 }
 184
 185 /* print constants with sign */
 186
 187 static void
 188 fput_const (num, info)
 189      unsigned num;
 190      disassemble_info *info;
 191 {
 192   if ((int)num < 0)
 193     (*info->fprintf_func) (info->stream, "-%x", -(int)num);
 194   else
 195     (*info->fprintf_func) (info->stream, "%x", num);
 196 }
 197
 198 /* Routines to extract various sized constants out of hppa
 199    instructions. */
 200
 201 /* extract a 3-bit space register number from a be, ble, mtsp or mfsp */
 202 static int
 203 extract_3 (word)
 204      unsigned word;
 205 {
 206   return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
 207 }
 208
 209 static int
 210 extract_5_load (word)
 211      unsigned word;
 212 {
 213   return low_sign_extend (word >> 16 & MASK_5, 5);
 214 }
 215
 216 /* extract the immediate field from a st{bhw}s instruction */
 217 static int
 218 extract_5_store (word)
 219      unsigned word;
 220 {
 221   return low_sign_extend (word & MASK_5, 5);
 222 }
 223
 224 /* extract the immediate field from a break instruction */
 225 static unsigned
 226 extract_5r_store (word)
 227      unsigned word;
 228 {
 229   return (word & MASK_5);
 230 }
 231
 232 /* extract the immediate field from a {sr}sm instruction */
 233 static unsigned
 234 extract_5R_store (word)
 235      unsigned word;
 236 {
 237   return (word >> 16 & MASK_5);
 238 }
 239
 240 /* extract the 10 bit immediate field from a {sr}sm instruction */
 241 static unsigned
 242 extract_10U_store (word)
 243      unsigned word;
 244 {
 245   return (word >> 16 & MASK_10);
 246 }
 247
 248 /* extract the immediate field from a bb instruction */
 249 static unsigned
 250 extract_5Q_store (word)
 251      unsigned word;
 252 {
 253   return (word >> 21 & MASK_5);
 254 }
 255
 256 /* extract an 11 bit immediate field */
 257 static int
 258 extract_11 (word)
 259      unsigned word;
 260 {
 261   return low_sign_extend (word & MASK_11, 11);
 262 }
 263
 264 /* extract a 14 bit immediate field */
 265 static int
 266 extract_14 (word)
 267      unsigned word;
 268 {
 269   return low_sign_extend (word & MASK_14, 14);
 270 }
 271
 272 /* extract a 21 bit constant */
 273
 274 static int
 275 extract_21 (word)
 276      unsigned word;
 277 {
 278   int val;
 279
 280   word &= MASK_21;
 281   word <<= 11;
 282   val = GET_FIELD (word, 20, 20);
 283   val <<= 11;
 284   val |= GET_FIELD (word, 9, 19);
 285   val <<= 2;
 286   val |= GET_FIELD (word, 5, 6);
 287   val <<= 5;
 288   val |= GET_FIELD (word, 0, 4);
 289   val <<= 2;
 290   val |= GET_FIELD (word, 7, 8);
 291   return sign_extend (val, 21) << 11;
 292 }
 293
 294 /* extract a 12 bit constant from branch instructions */
 295
 296 static int
 297 extract_12 (word)
 298      unsigned word;
 299 {
 300   return sign_extend (GET_FIELD (word, 19, 28) |
 301                       GET_FIELD (word, 29, 29) << 10 |
 302                       (word & 0x1) << 11, 12) << 2;
 303 }
 304
 305 /* extract a 17 bit constant from branch instructions, returning the
 306    19 bit signed value. */
 307
 308 static int
 309 extract_17 (word)
 310      unsigned word;
 311 {
 312   return sign_extend (GET_FIELD (word, 19, 28) |
 313                       GET_FIELD (word, 29, 29) << 10 |
 314                       GET_FIELD (word, 11, 15) << 11 |
 315                       (word & 0x1) << 16, 17) << 2;
 316 }
 317
 318 /* Print one instruction.  */
 319 int
 320 print_insn_hppa (memaddr, info)
 321      bfd_vma memaddr;
 322      disassemble_info *info;
 323 {
 324   bfd_byte buffer[4];
 325   unsigned int insn, i;
 326
 327   {
 328     int status =
 329       (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
 330     if (status != 0)
 331       {
 332         (*info->memory_error_func) (status, memaddr, info);
 333         return -1;
 334       }
 335   }
 336
 337   insn = bfd_getb32 (buffer);
 338
 339   for (i = 0; i < NUMOPCODES; ++i)
 340     {
 341       const struct pa_opcode *opcode = &pa_opcodes[i];
 342       if ((insn & opcode->mask) == opcode->match)
 343         {
 344           register const char *s;
 345
 346           (*info->fprintf_func) (info->stream, "%s", opcode->name);
 347
 348           if (!strchr ("cfCY?-+nHNZFIu", opcode->args[0]))
 349             (*info->fprintf_func) (info->stream, " ");
 350           for (s = opcode->args; *s != '\0'; ++s)
 351             {
 352               switch (*s)
 353                 {
 354                 case 'x':
 355                   fput_reg (GET_FIELD (insn, 11, 15), info);
 356                   break;
 357                 case 'a':
 358                 case 'b':
 359                   fput_reg (GET_FIELD (insn, 6, 10), info);
 360                   break;
 361                 case '^':
 362                   fput_creg (GET_FIELD (insn, 6, 10), info);
 363                   break;
 364                 case 't':
 365                   fput_reg (GET_FIELD (insn, 27, 31), info);
 366                   break;
 367
 368                 /* Handle floating point registers.  */
 369                 case 'f':
 370                   switch (*++s)
 371                     {
 372                     case 't':
 373                       fput_fp_reg (GET_FIELD (insn, 27, 31), info);
 374                       break;
 375                     case 'T':
 376                       if (GET_FIELD (insn, 25, 25))
 377                         fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
 378                       else
 379                         fput_fp_reg (GET_FIELD (insn, 27, 31), info);
 380                       break;
 381                     case 'a':
 382                       if (GET_FIELD (insn, 25, 25))
 383                         fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
 384                       else
 385                         fput_fp_reg (GET_FIELD (insn, 6, 10), info);
 386                       break;
 387                     case 'A':
 388                       if (GET_FIELD (insn, 24, 24))
 389                         fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
 390                       else
 391                         fput_fp_reg (GET_FIELD (insn, 6, 10), info);
 392
 393                       break;
 394                     case 'b':
 395                       if (GET_FIELD (insn, 25, 25))
 396                         fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
 397                       else
 398                         fput_fp_reg (GET_FIELD (insn, 11, 15), info);
 399                       break;
 400                     case 'B':
 401                       if (GET_FIELD (insn, 19, 19))
 402                         fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
 403                       else
 404                         fput_fp_reg (GET_FIELD (insn, 11, 15), info);
 405                       break;
 406                     case 'C':
 407                       {
 408                         int reg = GET_FIELD (insn, 21, 22);
 409                         reg |= GET_FIELD (insn, 16, 18) << 2;
 410                         if (GET_FIELD (insn, 23, 23) != 0)
 411                           fput_fp_reg_r (reg, info);
 412                         else
 413                           fput_fp_reg (reg, info);
 414                         break;
 415                       }
 416                     case 'i':
 417                       {
 418                         int reg = GET_FIELD (insn, 6, 10);
 419
 420                         reg |= (GET_FIELD (insn, 26, 26) << 4);
 421                         fput_fp_reg (reg, info);
 422                         break;
 423                       }
 424                     case 'j':
 425                       {
 426                         int reg = GET_FIELD (insn, 11, 15);
 427
 428                         reg |= (GET_FIELD (insn, 26, 26) << 4);
 429                         fput_fp_reg (reg, info);
 430                         break;
 431                       }
 432                     case 'k':
 433                       {
 434                         int reg = GET_FIELD (insn, 27, 31);
 435
 436                         reg |= (GET_FIELD (insn, 26, 26) << 4);
 437                         fput_fp_reg (reg, info);
 438                         break;
 439                       }
 440                     case 'l':
 441                       {
 442                         int reg = GET_FIELD (insn, 21, 25);
 443
 444                         reg |= (GET_FIELD (insn, 26, 26) << 4);
 445                         fput_fp_reg (reg, info);
 446                         break;
 447                       }
 448                     case 'm':
 449                       {
 450                         int reg = GET_FIELD (insn, 16, 20);
 451
 452                         reg |= (GET_FIELD (insn, 26, 26) << 4);
 453                         fput_fp_reg (reg, info);
 454                         break;
 455                       }
 456                     }
 457                   break;
 458
 459                 case '5':
 460                   fput_const (extract_5_load (insn), info);
 461                   break;
 462                 case 's':
 463                   (*info->fprintf_func) (info->stream,
 464                                          "sr%d", GET_FIELD (insn, 16, 17));
 465                   break;
 466
 467                 case 'S':
 468                   (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn));
 469                   break;
 470
 471                 /* Handle completers.  */
 472                 case 'c':
 473                   switch (*++s)
 474                     {
 475                     case 'x':
 476                       (*info->fprintf_func) (info->stream, "%s ",
 477                                              index_compl_names[GET_COMPL (insn)]);
 478                       break;
 479                     case 'm':
 480                       (*info->fprintf_func) (info->stream, "%s ",
 481                                              short_ldst_compl_names[GET_COMPL (insn)]);
 482                       break;
 483                     case 's':
 484                       (*info->fprintf_func) (info->stream, "%s ",
 485                                              short_bytes_compl_names[GET_COMPL (insn)]);
 486                       break;
 487                     case 'L':
 488                       (*info->fprintf_func) (info->stream, ",l");
 489                       break;
 490                     case 'w':
 491                       (*info->fprintf_func) (info->stream, "%s ",
 492                                              read_write_names[GET_FIELD (insn, 25, 25)]);
 493                       break;
 494                     case 'W':
 495                       (*info->fprintf_func) (info->stream, ",w");
 496                       break;
 497                     case 'r':
 498                       if (GET_FIELD (insn, 23, 26) == 5)
 499                         (*info->fprintf_func) (info->stream, ",r");
 500                       break;
 501                     case 'Z':
 502                       if (GET_FIELD (insn, 26, 26))
 503                         (*info->fprintf_func) (info->stream, ",m ");
 504                       else
 505                         (*info->fprintf_func) (info->stream, " ");
 506                       break;
 507                     case 'i':
 508                       if (GET_FIELD (insn, 25, 25))
 509                         (*info->fprintf_func) (info->stream, ",i");
 510                       break;
 511                     case 'z':
 512                       if (!GET_FIELD (insn, 21, 21))
 513                         (*info->fprintf_func) (info->stream, ",z");
 514                       break;
 515                     case 'a':
 516                       (*info->fprintf_func)
 517                         (info->stream, "%s", add_compl_names[GET_FIELD
 518                                                             (insn, 20, 21)]);
 519                       break;
 520                     case 'Y':
 521                       (*info->fprintf_func)
 522                         (info->stream, ",dc%s", add_compl_names[GET_FIELD
 523                                                                (insn, 20, 21)]);
 524                       break;
 525                     case 'y':
 526                       (*info->fprintf_func)
 527                         (info->stream, ",c%s", add_compl_names[GET_FIELD
 528                                                               (insn, 20, 21)]);
 529                       break;
 530                     case 'v':
 531                       if (GET_FIELD (insn, 20, 20))
 532                         (*info->fprintf_func) (info->stream, ",tsv");
 533                       break;
 534                     case 't':
 535                       (*info->fprintf_func) (info->stream, ",tc");
 536                       if (GET_FIELD (insn, 20, 20))
 537                         (*info->fprintf_func) (info->stream, ",tsv");
 538                       break;
 539                     case 'B':
 540                       (*info->fprintf_func) (info->stream, ",db");
 541                       if (GET_FIELD (insn, 20, 20))
 542                         (*info->fprintf_func) (info->stream, ",tsv");
 543                       break;
 544                     case 'b':
 545                       (*info->fprintf_func) (info->stream, ",b");
 546                       if (GET_FIELD (insn, 20, 20))
 547                         (*info->fprintf_func) (info->stream, ",tsv");
 548                       break;
 549                     case 'T':
 550                       if (GET_FIELD (insn, 25, 25))
 551                         (*info->fprintf_func) (info->stream, ",tc");
 552                       break;
 553                     case 'S':
 554                       /* EXTRD/W has a following condition.  */
 555                       if (*(s + 1) == '?')
 556                         (*info->fprintf_func)
 557                           (info->stream, "%s", signed_unsigned_names[GET_FIELD
 558                                                                     (insn, 21, 21)]);
 559                       else
 560                         (*info->fprintf_func)
 561                           (info->stream, "%s ", signed_unsigned_names[GET_FIELD
 562                                                                      (insn, 21, 21)]);
 563                       break;
 564                     case 'h':
 565                       (*info->fprintf_func)
 566                           (info->stream, "%s", mix_half_names[GET_FIELD
 567                                                              (insn, 17, 17)]);
 568                       break;
 569                     case 'H':
 570                       (*info->fprintf_func)
 571                           (info->stream, "%s", saturation_names[GET_FIELD
 572                                                                (insn, 24, 25)]);
 573                       break;
 574                     case '*':
 575                       (*info->fprintf_func)
 576                           (info->stream, ",%d%d%d%d ",
 577                            GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
 578                            GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
 579                       break;
 580                     }
 581                   break;
 582
 583                 /* Handle conditions.  */
 584                 case '?':
 585                   {
 586                     s++;
 587                     switch (*s)
 588                       {
 589                       case 'f':
 590                         (*info->fprintf_func) (info->stream, "%s ",
 591                                                float_comp_names[GET_FIELD
 592                                                                (insn, 27, 31)]);
 593                         break;
 594
 595                       /* these four conditions are for the set of instructions
 596                            which distinguish true/false conditions by opcode
 597                            rather than by the 'f' bit (sigh): comb, comib,
 598                            addb, addib */
 599                       case 't':
 600                         fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
 601                                         info);
 602                         break;
 603                       case 'T':
 604                         fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)
 605                                                           + 8], info);
 606                         break;
 607                       case 'r':
 608                         fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18)],
 609                                         info);
 610                         break;
 611                       case 'R':
 612                         fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18)
 613                                                              + 8], info);
 614                         break;
 615                       case 'Q':
 616                         fputs_filtered (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
 617                                         info);
 618                         break;
 619                       case 'n':
 620                         fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)
 621                                         + GET_FIELD (insn, 4, 4) * 8], info);
 622                         break;
 623                       case '@':
 624                         fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18)
 625                                         + GET_FIELD (insn, 4, 4) * 8], info);
 626                         break;
 627                       case 's':
 628                         (*info->fprintf_func) (info->stream, "%s ",
 629                                                compare_cond_names[GET_COND (insn)]);
 630                         break;
 631                       case 'S':
 632                         (*info->fprintf_func) (info->stream, "%s ",
 633                                                compare_cond_64_names[GET_COND (insn)]);
 634                         break;
 635                       case 'a':
 636                         (*info->fprintf_func) (info->stream, "%s ",
 637                                                add_cond_names[GET_COND (insn)]);
 638                         break;
 639                       case 'A':
 640                         (*info->fprintf_func) (info->stream, "%s ",
 641                                                add_cond_64_names[GET_COND (insn)]);
 642                         break;
 643                       case 'd':
 644                         (*info->fprintf_func) (info->stream, "%s",
 645                                                add_cond_names[GET_FIELD (insn, 16, 18)]);
 646                         break;
 647
 648                       case 'D':
 649                         (*info->fprintf_func) (info->stream, "%s",
 650                                                add_cond_names[GET_FIELD (insn, 16, 18)
 651                                                              + 8]);
 652                         break;
 653                       case 'w':
 654                         (*info->fprintf_func)
 655                           (info->stream, "%s",
 656                            wide_add_cond_names[GET_FIELD (insn, 16, 18)]);
 657                         break;
 658
 659                       case 'W':
 660                         (*info->fprintf_func)
 661                           (info->stream, "%s",
 662                            wide_add_cond_names[GET_FIELD (insn, 16, 18) + 8]);
 663                         break;
 664
 665                       case 'l':
 666                         (*info->fprintf_func) (info->stream, "%s ",
 667                                                logical_cond_names[GET_COND (insn)]);
 668                         break;
 669                       case 'L':
 670                         (*info->fprintf_func) (info->stream, "%s ",
 671                                                logical_cond_64_names[GET_COND (insn)]);
 672                         break;
 673                       case 'u':
 674                         (*info->fprintf_func) (info->stream, "%s ",
 675                                                unit_cond_names[GET_COND (insn)]);
 676                         break;
 677                       case 'U':
 678                         (*info->fprintf_func) (info->stream, "%s ",
 679                                                unit_cond_64_names[GET_COND (insn)]);
 680                         break;
 681                       case 'y':
 682                       case 'x':
 683                       case 'b':
 684                         (*info->fprintf_func)
 685                           (info->stream, "%s",
 686                            shift_cond_names[GET_FIELD (insn, 16, 18)]);
 687
 688                         /* If the next character in args is 'n', it will handle
 689                            putting out the space.  */
 690                         if (s[1] != 'n')
 691                           (*info->fprintf_func) (info->stream, " ");
 692                         break;
 693                       case 'X':
 694                         (*info->fprintf_func) (info->stream, "%s",
 695                                                shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
 696                         break;
 697                       case 'B':
 698                         (*info->fprintf_func)
 699                           (info->stream, "%s",
 700                            bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
 701
 702                         /* If the next character in args is 'n', it will handle
 703                            putting out the space.  */
 704                         if (s[1] != 'n')
 705                           (*info->fprintf_func) (info->stream, " ");
 706                         break;
 707                       }
 708                     break;
 709                   }
 710
 711                 case 'V':
 712                   fput_const (extract_5_store (insn), info);
 713                   break;
 714                 case 'r':
 715                   fput_const (extract_5r_store (insn), info);
 716                   break;
 717                 case 'R':
 718                   fput_const (extract_5R_store (insn), info);
 719                   break;
 720                 case 'U':
 721                   fput_const (extract_10U_store (insn), info);
 722                   break;
 723                 case 'Q':
 724                   fput_const (extract_5Q_store (insn), info);
 725                   break;
 726                 case 'i':
 727                   fput_const (extract_11 (insn), info);
 728                   break;
 729                 case 'j':
 730                   fput_const (extract_14 (insn), info);
 731                   break;
 732                 case 'k':
 733                   fput_const (extract_21 (insn), info);
 734                   break;
 735                 case 'n':
 736                   if (insn & 0x2)
 737                     (*info->fprintf_func) (info->stream, ",n ");
 738                   else
 739                     (*info->fprintf_func) (info->stream, " ");
 740                   break;
 741                 case 'N':
 742                   if ((insn & 0x20) && s[1])
 743                     (*info->fprintf_func) (info->stream, ",n ");
 744                   else if (insn & 0x20)
 745                     (*info->fprintf_func) (info->stream, ",n");
 746                   else if (s[1])
 747                     (*info->fprintf_func) (info->stream, " ");
 748                   break;
 749                 case 'w':
 750                   (*info->print_address_func) (memaddr + 8 + extract_12 (insn),
 751                                                info);
 752                   break;
 753                 case 'W':
 754                   /* 17 bit PC-relative branch.  */
 755                   (*info->print_address_func) ((memaddr + 8
 756                                                 + extract_17 (insn)),
 757                                                info);
 758                   break;
 759                 case 'z':
 760                   /* 17 bit displacement.  This is an offset from a register
 761                      so it gets disasssembled as just a number, not any sort
 762                      of address.  */
 763                   fput_const (extract_17 (insn), info);
 764                   break;
 765
 766                 case 'Z':
 767                   /* addil %r1 implicit output.  */
 768                   (*info->fprintf_func) (info->stream, "%%r1");
 769                   break;
 770
 771                 case '.':
 772                   (*info->fprintf_func) (info->stream, "%d",
 773                                     GET_FIELD (insn, 24, 25));
 774                   break;
 775                 case '*':
 776                   (*info->fprintf_func) (info->stream, "%d",
 777                                     GET_FIELD (insn, 22, 25));
 778                   break;
 779                 case '!':
 780                   (*info->fprintf_func) (info->stream, "%%sar");
 781                   break;
 782                 case 'p':
 783                   (*info->fprintf_func) (info->stream, "%d",
 784                                     31 - GET_FIELD (insn, 22, 26));
 785                   break;
 786                 case '~':
 787                   {
 788                     int num;
 789                     num = GET_FIELD (insn, 20, 20) << 5;
 790                     num |= GET_FIELD (insn, 22, 26);
 791                     (*info->fprintf_func) (info->stream, "%d", 63 - num);
 792                     break;
 793                   }
 794                 case 'P':
 795                   (*info->fprintf_func) (info->stream, "%d",
 796                                     GET_FIELD (insn, 22, 26));
 797                   break;
 798                 case 'q':
 799                   {
 800                     int num;
 801                     num = GET_FIELD (insn, 20, 20) << 5;
 802                     num |= GET_FIELD (insn, 22, 26);
 803                     (*info->fprintf_func) (info->stream, "%d", num);
 804                     break;
 805                   }
 806                 case 'T':
 807                   (*info->fprintf_func) (info->stream, "%d",
 808                                     32 - GET_FIELD (insn, 27, 31));
 809                   break;
 810                 case '%':
 811                   {
 812                     int num;
 813                     num = (GET_FIELD (insn, 23, 23) + 1) * 32;
 814                     num -= GET_FIELD (insn, 27, 31);
 815                     (*info->fprintf_func) (info->stream, "%d", num);
 816                     break;
 817                   }
 818                 case '|':
 819                   {
 820                     int num;
 821                     num = (GET_FIELD (insn, 19, 19) + 1) * 32;
 822                     num -= GET_FIELD (insn, 27, 31);
 823                     (*info->fprintf_func) (info->stream, "%d", num);
 824                     break;
 825                   }
 826                 case '$':
 827                   fput_const (GET_FIELD (insn, 20, 28), info);
 828                   break;
 829                 case 'A':
 830                   fput_const (GET_FIELD (insn, 6, 18), info);
 831                   break;
 832                 case 'D':
 833                   fput_const (GET_FIELD (insn, 6, 31), info);
 834                   break;
 835                 case 'v':
 836                   (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
 837                   break;
 838                 case 'O':
 839                   fput_const ((GET_FIELD (insn, 6,20) << 5 |
 840                                GET_FIELD (insn, 27, 31)), info);
 841                   break;
 842                 case 'o':
 843                   fput_const (GET_FIELD (insn, 6, 20), info);
 844                   break;
 845                 case '2':
 846                   fput_const ((GET_FIELD (insn, 6, 22) << 5 |
 847                                GET_FIELD (insn, 27, 31)), info);
 848                   break;
 849                 case '1':
 850                   fput_const ((GET_FIELD (insn, 11, 20) << 5 |
 851                                GET_FIELD (insn, 27, 31)), info);
 852                   break;
 853                 case '0':
 854                   fput_const ((GET_FIELD (insn, 16, 20) << 5 |
 855                                GET_FIELD (insn, 27, 31)), info);
 856                   break;
 857                 case 'u':
 858                   (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
 859                   break;
 860                 case 'F':
 861                   /* if no destination completer and not before a completer
 862                      for fcmp, need a space here */
 863                   if (s[1] == 'G' || s[1] == '?')
 864                     fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)],
 865                                     info);
 866                   else
 867                     (*info->fprintf_func) (info->stream, "%s ",
 868                                            float_format_names[GET_FIELD
 869                                                               (insn, 19, 20)]);
 870                   break;
 871                 case 'G':
 872                   (*info->fprintf_func) (info->stream, "%s ",
 873                                     float_format_names[GET_FIELD (insn,
 874                                                                   17, 18)]);
 875                   break;
 876                 case 'H':
 877                   if (GET_FIELD (insn, 26, 26) == 1)
 878                     (*info->fprintf_func) (info->stream, "%s ",
 879                                     float_format_names[0]);
 880                   else
 881                     (*info->fprintf_func) (info->stream, "%s ",
 882                                     float_format_names[1]);
 883                   break;
 884                 case 'I':
 885                   /* if no destination completer and not before a completer
 886                      for fcmp, need a space here */
 887                   if (s[1] == '?')
 888                     fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
 889                                     info);
 890                   else
 891                     (*info->fprintf_func) (info->stream, "%s ",
 892                                            float_format_names[GET_FIELD
 893                                                               (insn, 20, 20)]);
 894                   break;
 895                 default:
 896                   (*info->fprintf_func) (info->stream, "%c", *s);
 897                   break;
 898                 }
 899             }
 900           return sizeof(insn);
 901         }
 902     }
 903   (*info->fprintf_func) (info->stream, "#%8x", insn);
 904   return sizeof(insn);
 905 }