jit/stack.c

   1 /* jit/stack.c - stack analysis
   2
   3    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4    R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
   5    M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
   6    P. Tomsich, J. Wenninger
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  23    02111-1307, USA.
  24
  25    Contact: cacao@complang.tuwien.ac.at
  26
  27    Authors: Andreas Krall
  28
  29    Changes: Edwin Steiner
  30
  31    $Id: stack.c 727 2003-12-11 10:52:40Z edwin $
  32
  33 */
  34
  35
  36 #include <stdio.h>
  37 #include "stack.h"
  38 #include "global.h"
  39 #include "jit.h"
  40 #include "builtin.h"
  41 #include "disass.h"
  42 #include "reg.h"
  43 #include "tables.h"
  44 #include "types.h"
  45 #include "toolbox/loging.h"
  46 #include "toolbox/memory.h"
  47
  48
  49 /* from codegen.inc */
  50 extern int dseglen;
  51
  52
  53 #ifdef STATISTICS
  54 #define COUNT(cnt) cnt++
  55 #else
  56 #define COUNT(cnt)
  57 #endif
  58
  59 #define STACKRESET {curstack=0;stackdepth=0;}
  60
  61 #define TYPEPANIC  {show_icmd_method();panic("Stack type mismatch");}
  62 #define UNDERFLOW  {show_icmd_method();panic("Stack underflow");} /* XXX why isn't this caught in parse.c? */
  63 #define CURKIND    curstack->varkind
  64 #define CURTYPE    curstack->type
  65
  66 #define REQUIRE(num)  do { if (stackdepth<(num)) {UNDERFLOW;} } while(0)
  67 #define REQUIRE_1     REQUIRE(1)
  68 #define REQUIRE_2     REQUIRE(2)
  69 #define REQUIRE_3     REQUIRE(3)
  70 #define REQUIRE_4     REQUIRE(4)
  71
  72 #define NEWSTACK(s,v,n) {new->prev=curstack;new->type=s;new->flags=0;   \
  73                         new->varkind=v;new->varnum=n;curstack=new;new++;}
  74 #define NEWSTACKn(s,n)  NEWSTACK(s,UNDEFVAR,n)
  75 #define NEWSTACK0(s)    NEWSTACK(s,UNDEFVAR,0)
  76 #define NEWXSTACK   {NEWSTACK(TYPE_ADR,STACKVAR,0);curstack=0;}
  77
  78 #define SETDST      {iptr->dst=curstack;}
  79
  80 /* The following macros do NOT check stackdepth, set stackdepth and iptr->dst */
  81 #define POP(s)      {if(s!=curstack->type){TYPEPANIC;}                                                                          \
  82                      if(curstack->varkind==UNDEFVAR)curstack->varkind=TEMPVAR;\
  83                      curstack=curstack->prev;}
  84 #define POPANY      {if(curstack->varkind==UNDEFVAR)curstack->varkind=TEMPVAR;  \
  85                      curstack=curstack->prev;}
  86 #define COPY(s,d)   {(d)->flags=0;(d)->type=(s)->type;\
  87                      (d)->varkind=(s)->varkind;(d)->varnum=(s)->varnum;}
  88 /******************************/
  89
  90 /* The following macros check stackdepth, set stackdepth and itpr->dst */
  91 #define PUSHCONST(s){NEWSTACKn(s,stackdepth);SETDST;stackdepth++;}
  92 #define LOAD(s,v,n) {NEWSTACK(s,v,n);SETDST;stackdepth++;}
  93 #define STORE(s)    {REQUIRE_1;POP(s);SETDST;stackdepth--;}
  94 #define OP1_0(s)    {REQUIRE_1;POP(s);SETDST;stackdepth--;}
  95 #define OP1_0ANY    {REQUIRE_1;POPANY;SETDST;stackdepth--;}
  96 #define OP0_1(s)    {NEWSTACKn(s,stackdepth);SETDST;stackdepth++;}
  97 #define OP1_1(s,d)  {REQUIRE_1;POP(s);NEWSTACKn(d,stackdepth-1);SETDST;}
  98 #define OP2_0(s)    {REQUIRE_2;POP(s);POP(s);SETDST;stackdepth-=2;}
  99 #define OPTT2_0(t,b){REQUIRE_2;POP(t);POP(b);SETDST;stackdepth-=2;}
 100 #define OP2_1(s)    {REQUIRE_2;POP(s);POP(s);NEWSTACKn(s,stackdepth-2);SETDST;stackdepth--;}
 101 #define OP2IAT_1(s) {REQUIRE_2;POP(TYPE_INT);POP(TYPE_ADR);NEWSTACKn(s,stackdepth-2);\
 102                      SETDST;stackdepth--;}
 103 #define OP2IT_1(s)  {REQUIRE_2;POP(TYPE_INT);POP(s);NEWSTACKn(s,stackdepth-2);\
 104                      SETDST;stackdepth--;}
 105 #define OPTT2_1(s,d){REQUIRE_2;POP(s);POP(s);NEWSTACKn(d,stackdepth-2);SETDST;stackdepth--;}
 106 #define OP2_2(s)    {REQUIRE_2;POP(s);POP(s);NEWSTACKn(s,stackdepth-2);\
 107                      NEWSTACKn(s,stackdepth-1);SETDST;}
 108 #define OP3TIA_0(s) {REQUIRE_3;POP(s);POP(TYPE_INT);POP(TYPE_ADR);SETDST;stackdepth-=3;}
 109 #define OP3_0(s)    {REQUIRE_3;POP(s);POP(s);POP(s);SETDST;stackdepth-=3;}
 110 #define POPMANY(i)  {REQUIRE(i);stackdepth-=i;while(--i>=0){POPANY;}SETDST;}
 111 #define DUP         {REQUIRE_1;NEWSTACK(CURTYPE,CURKIND,curstack->varnum);SETDST; \
 112                     stackdepth++;}
 113 #define SWAP        {REQUIRE_2;COPY(curstack,new);POPANY;COPY(curstack,new+1);POPANY;\
 114                     new[0].prev=curstack;new[1].prev=new;\
 115                     curstack=new+1;new+=2;SETDST;}
 116 #define DUP_X1      {REQUIRE_2;COPY(curstack,new);COPY(curstack,new+2);POPANY;\
 117                     COPY(curstack,new+1);POPANY;new[0].prev=curstack;\
 118                     new[1].prev=new;new[2].prev=new+1;\
 119                     curstack=new+2;new+=3;SETDST;stackdepth++;}
 120 #define DUP2_X1     {REQUIRE_3;COPY(curstack,new+1);COPY(curstack,new+4);POPANY;\
 121                     COPY(curstack,new);COPY(curstack,new+3);POPANY;\
 122                     COPY(curstack,new+2);POPANY;new[0].prev=curstack;\
 123                     new[1].prev=new;new[2].prev=new+1;\
 124                     new[3].prev=new+2;new[4].prev=new+3;\
 125                     curstack=new+4;new+=5;SETDST;stackdepth+=2;}
 126 #define DUP_X2      {REQUIRE_3;COPY(curstack,new);COPY(curstack,new+3);POPANY;\
 127                     COPY(curstack,new+2);POPANY;COPY(curstack,new+1);POPANY;\
 128                     new[0].prev=curstack;new[1].prev=new;\
 129                     new[2].prev=new+1;new[3].prev=new+2;\
 130                     curstack=new+3;new+=4;SETDST;stackdepth++;}
 131 #define DUP2_X2     {REQUIRE_4;COPY(curstack,new+1);COPY(curstack,new+5);POPANY;\
 132                     COPY(curstack,new);COPY(curstack,new+4);POPANY;\
 133                     COPY(curstack,new+3);POPANY;COPY(curstack,new+2);POPANY;\
 134                     new[0].prev=curstack;new[1].prev=new;\
 135                     new[2].prev=new+1;new[3].prev=new+2;\
 136                     new[4].prev=new+3;new[5].prev=new+4;\
 137                     curstack=new+5;new+=6;SETDST;stackdepth+=2;}
 138 /******************************/
 139
 140 #define COPYCURSTACK(copy) {\
 141         int d;\
 142         stackptr s;\
 143         if(curstack){\
 144                 s=curstack;\
 145                 new+=stackdepth;\
 146                 d=stackdepth;\
 147                 copy=new;\
 148                 while(s){\
 149                         copy--;d--;\
 150                         copy->prev=copy-1;\
 151                         copy->type=s->type;\
 152                         copy->flags=0;\
 153                         copy->varkind=STACKVAR;\
 154                         copy->varnum=d;\
 155                         s=s->prev;\
 156                         }\
 157                 copy->prev=NULL;\
 158                 copy=new-1;\
 159                 }\
 160         else\
 161                 copy=NULL;\
 162 }
 163
 164
 165 #define BBEND(s,i){\
 166         i=stackdepth-1;\
 167         copy=s;\
 168         while(copy){\
 169                 if((copy->varkind==STACKVAR)&&(copy->varnum>i))\
 170                         copy->varkind=TEMPVAR;\
 171                 else {\
 172                         copy->varkind=STACKVAR;\
 173                         copy->varnum=i;\
 174                         }\
 175                 interfaces[i][copy->type].type = copy->type;\
 176                 interfaces[i][copy->type].flags |= copy->flags;\
 177                 i--;copy=copy->prev;\
 178                 }\
 179         i=bptr->indepth-1;\
 180         copy=bptr->instack;\
 181         while(copy){\
 182                 interfaces[i][copy->type].type = copy->type;\
 183                 if(copy->varkind==STACKVAR){\
 184                         if (copy->flags & SAVEDVAR)\
 185                                 interfaces[i][copy->type].flags |= SAVEDVAR;\
 186                         }\
 187                 i--;copy=copy->prev;\
 188                 }\
 189 }
 190
 191
 192 #define MARKREACHED(b,c) {\
 193         if(b->flags<0)\
 194                 {COPYCURSTACK(c);b->flags=0;b->instack=c;b->indepth=stackdepth;}\
 195         else {stackptr s=curstack;stackptr t=b->instack;\
 196                 if(b->indepth!=stackdepth)\
 197                         {show_icmd_method();panic("Stack depth mismatch");}\
 198                 while(s){if (s->type!=t->type)\
 199                                 TYPEPANIC\
 200                         s=s->prev;t=t->prev;\
 201                         }\
 202                 }\
 203 }
 204
 205
 206 void analyse_stack()
 207 {
 208         int b_count;
 209         int b_index;
 210         int stackdepth;
 211         stackptr curstack;
 212         stackptr new;
 213         stackptr copy;
 214         int opcode, i, len, loops;
 215         int superblockend, repeat, deadcode;
 216         instruction *iptr;
 217         basicblock *bptr;
 218         basicblock *tbptr;
 219         s4 *s4ptr;
 220         void* *tptr;
 221
 222         if (compileverbose) {
 223                 char logtext[MAXLOGTEXT];
 224                 sprintf(logtext, "Analysing: ");
 225                 utf_sprint(logtext+strlen(logtext), method->class->name);
 226                 strcpy(logtext+strlen(logtext), ".");
 227                 utf_sprint(logtext+strlen(logtext), method->name);
 228                 utf_sprint(logtext+strlen(logtext), method->descriptor);
 229                 dolog(logtext);
 230         }
 231
 232         int *argren = DMNEW(int, maxlocals);
 233         //int *argren = (int *)alloca(maxlocals * sizeof(int)); /* table for argument renaming */
 234         for (i = 0; i < maxlocals; i++)
 235                 argren[i] = i;
 236
 237         arguments_num = 0;
 238         new = stack;
 239         loops = 0;
 240         block[0].flags = BBREACHED;
 241         block[0].instack = 0;
 242         block[0].indepth = 0;
 243
 244         for (i = 0; i < exceptiontablelength; i++) {
 245                 bptr = &block[block_index[extable[i].handlerpc]];
 246                 bptr->flags = BBREACHED;
 247                 bptr->type = BBTYPE_EXH;
 248                 bptr->instack = new;
 249                 bptr->indepth = 1;
 250                 bptr->pre_count = 10000;
 251                 STACKRESET;
 252                 NEWXSTACK;
 253         }
 254
 255 #ifdef CONDITIONAL_LOADCONST
 256         b_count = block_count;
 257         bptr = block;
 258         while (--b_count >= 0) {
 259                 if (bptr->icount != 0) {
 260                         iptr = bptr->iinstr + bptr->icount - 1;
 261                         switch (iptr->opc) {
 262                         case ICMD_RET:
 263                         case ICMD_RETURN:
 264                         case ICMD_IRETURN:
 265                         case ICMD_LRETURN:
 266                         case ICMD_FRETURN:
 267                         case ICMD_DRETURN:
 268                         case ICMD_ARETURN:
 269                         case ICMD_ATHROW:
 270                                 break;
 271
 272                         case ICMD_IFEQ:
 273                         case ICMD_IFNE:
 274                         case ICMD_IFLT:
 275                         case ICMD_IFGE:
 276                         case ICMD_IFGT:
 277                         case ICMD_IFLE:
 278
 279                         case ICMD_IFNULL:
 280                         case ICMD_IFNONNULL:
 281
 282                         case ICMD_IF_ICMPEQ:
 283                         case ICMD_IF_ICMPNE:
 284                         case ICMD_IF_ICMPLT:
 285                         case ICMD_IF_ICMPGE:
 286                         case ICMD_IF_ICMPGT:
 287                         case ICMD_IF_ICMPLE:
 288
 289                         case ICMD_IF_ACMPEQ:
 290                         case ICMD_IF_ACMPNE:
 291                                 bptr[1].pre_count++;
 292                         case ICMD_GOTO:
 293                                 block[block_index[iptr->op1]].pre_count++;
 294                                 break;
 295
 296                         case ICMD_TABLESWITCH:
 297                                 s4ptr = iptr->val.a;
 298                                 block[block_index[*s4ptr++]].pre_count++;   /* default */
 299                                 i = *s4ptr++;                               /* low     */
 300                                 i = *s4ptr++ - i + 1;                       /* high    */
 301                                 while (--i >= 0) {
 302                                         block[block_index[*s4ptr++]].pre_count++;
 303                                 }
 304                                 break;
 305
 306                         case ICMD_LOOKUPSWITCH:
 307                                 s4ptr = iptr->val.a;
 308                                 block[block_index[*s4ptr++]].pre_count++;   /* default */
 309                                 i = *s4ptr++;                               /* count   */
 310                                 while (--i >= 0) {
 311                                         block[block_index[s4ptr[1]]].pre_count++;
 312                                         s4ptr += 2;
 313                                 }
 314                                 break;
 315                         default:
 316                                 bptr[1].pre_count++;
 317                                 break;
 318                         }
 319                 }
 320                 bptr++;
 321         }
 322 #endif
 323
 324
 325         do {
 326                 loops++;
 327                 b_count = block_count;
 328                 bptr = block;
 329                 superblockend = true;
 330                 repeat = false;
 331                 STACKRESET;
 332                 deadcode = true;
 333                 while (--b_count >= 0) {
 334                         if (bptr->flags == BBDELETED) {
 335                                 /* do nothing */
 336                         }
 337                         else if (superblockend && (bptr->flags < BBREACHED))
 338                                 repeat = true;
 339                         else if (bptr->flags <= BBREACHED) {
 340                                 if (superblockend)
 341                                         stackdepth = bptr->indepth;
 342                                 else if (bptr->flags < BBREACHED) {
 343                                         COPYCURSTACK(copy);
 344                                         bptr->instack = copy;
 345                                         bptr->indepth = stackdepth;
 346                                 }
 347                                 else if (bptr->indepth != stackdepth) {
 348                                         show_icmd_method();
 349                                         panic("Stack depth mismatch");
 350
 351                                 }
 352                                 curstack = bptr->instack;
 353                                 deadcode = false;
 354                                 superblockend = false;
 355                                 bptr->flags = BBFINISHED;
 356                                 len = bptr->icount;
 357                                 iptr = bptr->iinstr;
 358                                 b_index = bptr - block;
 359                                 while (--len >= 0)  {
 360                                         opcode = iptr->opc;
 361                                         iptr->target = NULL;
 362
 363                                         /* DEBUG XXX */ /*  dolog("p:%04d op: %s",iptr-instr,icmd_names[opcode]); */
 364
 365 #ifdef USEBUILTINTABLE
 366                                         {
 367 #if 0
 368                                                 stdopdescriptor *breplace;
 369                                                 breplace = find_builtin(opcode);
 370
 371                                                 if (breplace && opcode == breplace->opcode) {
 372                                                         iptr[0].opc = breplace->icmd;
 373                                                         iptr[0].op1 = breplace->type_d;
 374                                                         iptr[0].val.a = breplace->builtin;
 375                                                         isleafmethod = false;
 376                                                         switch (breplace->icmd) {
 377                                                         case ICMD_BUILTIN1:
 378                                                                 goto builtin1;
 379                                                         case ICMD_BUILTIN2:
 380                                                                 goto builtin2;
 381                                                         }
 382                                                 }
 383 #endif
 384                                                 builtin_descriptor *breplace;
 385                                                 breplace = find_builtin(opcode);
 386
 387                                                 if (breplace && opcode == breplace->opcode) {
 388                                                         iptr[0].opc = breplace->icmd;
 389                                                         iptr[0].op1 = breplace->type_d;
 390                                                         iptr[0].val.a = breplace->builtin;
 391                                                         isleafmethod = false;
 392                                                         switch (breplace->icmd) {
 393                                                         case ICMD_BUILTIN1:
 394                                                                 goto builtin1;
 395                                                         case ICMD_BUILTIN2:
 396                                                                 goto builtin2;
 397                                                         }
 398                                                 }
 399                                         }
 400 #endif
 401
 402                                         switch (opcode) {
 403
 404                                                 /* pop 0 push 0 */
 405
 406                                         case ICMD_NOP:
 407                                         case ICMD_CHECKASIZE:
 408
 409                                         case ICMD_IFEQ_ICONST:
 410                                         case ICMD_IFNE_ICONST:
 411                                         case ICMD_IFLT_ICONST:
 412                                         case ICMD_IFGE_ICONST:
 413                                         case ICMD_IFGT_ICONST:
 414                                         case ICMD_IFLE_ICONST:
 415                                         case ICMD_ELSE_ICONST:
 416                                                 SETDST;
 417                                                 break;
 418
 419                                         case ICMD_RET:
 420                                                 locals[iptr->op1][TYPE_ADR].type = TYPE_ADR;
 421                                         case ICMD_RETURN:
 422                                                 COUNT(count_pcmd_return);
 423                                                 SETDST;
 424                                                 superblockend = true;
 425                                                 break;
 426
 427                                                 /* pop 0 push 1 const */
 428
 429                                         case ICMD_ICONST:
 430                                                 COUNT(count_pcmd_load);
 431                                                 if (len > 0) {
 432                                                         switch (iptr[1].opc) {
 433                                                         case ICMD_IADD:
 434                                                                 iptr[0].opc = ICMD_IADDCONST;
 435                                                         icmd_iconst_tail:
 436                                                                 iptr[1].opc = ICMD_NOP;
 437                                                                 OP1_1(TYPE_INT,TYPE_INT);
 438                                                                 COUNT(count_pcmd_op);
 439                                                                 break;
 440                                                         case ICMD_ISUB:
 441                                                                 iptr[0].opc = ICMD_ISUBCONST;
 442                                                                 goto icmd_iconst_tail;
 443                                                         case ICMD_IMUL:
 444                                                                 iptr[0].opc = ICMD_IMULCONST;
 445                                                                 goto icmd_iconst_tail;
 446                                                         case ICMD_IDIV:
 447                                                                 if (iptr[0].val.i == 0x00000002)
 448                                                                         iptr[0].val.i = 1;
 449                                                                 else if (iptr[0].val.i == 0x00000004)
 450                                                                         iptr[0].val.i = 2;
 451                                                                 else if (iptr[0].val.i == 0x00000008)
 452                                                                         iptr[0].val.i = 3;
 453                                                                 else if (iptr[0].val.i == 0x00000010)
 454                                                                         iptr[0].val.i = 4;
 455                                                                 else if (iptr[0].val.i == 0x00000020)
 456                                                                         iptr[0].val.i = 5;
 457                                                                 else if (iptr[0].val.i == 0x00000040)
 458                                                                         iptr[0].val.i = 6;
 459                                                                 else if (iptr[0].val.i == 0x00000080)
 460                                                                         iptr[0].val.i = 7;
 461                                                                 else if (iptr[0].val.i == 0x00000100)
 462                                                                         iptr[0].val.i = 8;
 463                                                                 else if (iptr[0].val.i == 0x00000200)
 464                                                                         iptr[0].val.i = 9;
 465                                                                 else if (iptr[0].val.i == 0x00000400)
 466                                                                         iptr[0].val.i = 10;
 467                                                                 else if (iptr[0].val.i == 0x00000800)
 468                                                                         iptr[0].val.i = 11;
 469                                                                 else if (iptr[0].val.i == 0x00001000)
 470                                                                         iptr[0].val.i = 12;
 471                                                                 else if (iptr[0].val.i == 0x00002000)
 472                                                                         iptr[0].val.i = 13;
 473                                                                 else if (iptr[0].val.i == 0x00004000)
 474                                                                         iptr[0].val.i = 14;
 475                                                                 else if (iptr[0].val.i == 0x00008000)
 476                                                                         iptr[0].val.i = 15;
 477                                                                 else if (iptr[0].val.i == 0x00010000)
 478                                                                         iptr[0].val.i = 16;
 479                                                                 else if (iptr[0].val.i == 0x00020000)
 480                                                                         iptr[0].val.i = 17;
 481                                                                 else if (iptr[0].val.i == 0x00040000)
 482                                                                         iptr[0].val.i = 18;
 483                                                                 else if (iptr[0].val.i == 0x00080000)
 484                                                                         iptr[0].val.i = 19;
 485                                                                 else if (iptr[0].val.i == 0x00100000)
 486                                                                         iptr[0].val.i = 20;
 487                                                                 else if (iptr[0].val.i == 0x00200000)
 488                                                                         iptr[0].val.i = 21;
 489                                                                 else if (iptr[0].val.i == 0x00400000)
 490                                                                         iptr[0].val.i = 22;
 491                                                                 else if (iptr[0].val.i == 0x00800000)
 492                                                                         iptr[0].val.i = 23;
 493                                                                 else if (iptr[0].val.i == 0x01000000)
 494                                                                         iptr[0].val.i = 24;
 495                                                                 else if (iptr[0].val.i == 0x02000000)
 496                                                                         iptr[0].val.i = 25;
 497                                                                 else if (iptr[0].val.i == 0x04000000)
 498                                                                         iptr[0].val.i = 26;
 499                                                                 else if (iptr[0].val.i == 0x08000000)
 500                                                                         iptr[0].val.i = 27;
 501                                                                 else if (iptr[0].val.i == 0x10000000)
 502                                                                         iptr[0].val.i = 28;
 503                                                                 else if (iptr[0].val.i == 0x20000000)
 504                                                                         iptr[0].val.i = 29;
 505                                                                 else if (iptr[0].val.i == 0x40000000)
 506                                                                         iptr[0].val.i = 30;
 507                                                                 else if (iptr[0].val.i == 0x80000000)
 508                                                                         iptr[0].val.i = 31;
 509                                                                 else {
 510                                                                         PUSHCONST(TYPE_INT);
 511                                                                         break;
 512                                                                 }
 513                                                                 iptr[0].opc = ICMD_IDIVPOW2;
 514                                                                 goto icmd_iconst_tail;
 515                                                         case ICMD_IREM:
 516 #if !defined(NO_DIV_OPT)
 517                                                                 if (iptr[0].val.i == 0x10001) {
 518                                                                         iptr[0].opc = ICMD_IREM0X10001;
 519                                                                         goto icmd_iconst_tail;
 520                                                                 }
 521 #endif
 522                                                                 if ((iptr[0].val.i == 0x00000002) ||
 523                                                                         (iptr[0].val.i == 0x00000004) ||
 524                                                                         (iptr[0].val.i == 0x00000008) ||
 525                                                                         (iptr[0].val.i == 0x00000010) ||
 526                                                                         (iptr[0].val.i == 0x00000020) ||
 527                                                                         (iptr[0].val.i == 0x00000040) ||
 528                                                                         (iptr[0].val.i == 0x00000080) ||
 529                                                                         (iptr[0].val.i == 0x00000100) ||
 530                                                                         (iptr[0].val.i == 0x00000200) ||
 531                                                                         (iptr[0].val.i == 0x00000400) ||
 532                                                                         (iptr[0].val.i == 0x00000800) ||
 533                                                                         (iptr[0].val.i == 0x00001000) ||
 534                                                                         (iptr[0].val.i == 0x00002000) ||
 535                                                                         (iptr[0].val.i == 0x00004000) ||
 536                                                                         (iptr[0].val.i == 0x00008000) ||
 537                                                                         (iptr[0].val.i == 0x00010000) ||
 538                                                                         (iptr[0].val.i == 0x00020000) ||
 539                                                                         (iptr[0].val.i == 0x00040000) ||
 540                                                                         (iptr[0].val.i == 0x00080000) ||
 541                                                                         (iptr[0].val.i == 0x00100000) ||
 542                                                                         (iptr[0].val.i == 0x00200000) ||
 543                                                                         (iptr[0].val.i == 0x00400000) ||
 544                                                                         (iptr[0].val.i == 0x00800000) ||
 545                                                                         (iptr[0].val.i == 0x01000000) ||
 546                                                                         (iptr[0].val.i == 0x02000000) ||
 547                                                                         (iptr[0].val.i == 0x04000000) ||
 548                                                                         (iptr[0].val.i == 0x08000000) ||
 549                                                                         (iptr[0].val.i == 0x10000000) ||
 550                                                                         (iptr[0].val.i == 0x20000000) ||
 551                                                                         (iptr[0].val.i == 0x40000000) ||
 552                                                                         (iptr[0].val.i == 0x80000000)) {
 553                                                                         iptr[0].opc = ICMD_IREMPOW2;
 554                                                                         iptr[0].val.i -= 1;
 555                                                                         goto icmd_iconst_tail;
 556                                                                 }
 557                                                                 PUSHCONST(TYPE_INT);
 558                                                                 break;
 559                                                         case ICMD_IAND:
 560                                                                 iptr[0].opc = ICMD_IANDCONST;
 561                                                                 goto icmd_iconst_tail;
 562                                                         case ICMD_IOR:
 563                                                                 iptr[0].opc = ICMD_IORCONST;
 564                                                                 goto icmd_iconst_tail;
 565                                                         case ICMD_IXOR:
 566                                                                 iptr[0].opc = ICMD_IXORCONST;
 567                                                                 goto icmd_iconst_tail;
 568                                                         case ICMD_ISHL:
 569                                                                 iptr[0].opc = ICMD_ISHLCONST;
 570                                                                 goto icmd_iconst_tail;
 571                                                         case ICMD_ISHR:
 572                                                                 iptr[0].opc = ICMD_ISHRCONST;
 573                                                                 goto icmd_iconst_tail;
 574                                                         case ICMD_IUSHR:
 575                                                                 iptr[0].opc = ICMD_IUSHRCONST;
 576                                                                 goto icmd_iconst_tail;
 577 #if SUPPORT_LONG_SHIFT
 578                                                         case ICMD_LSHL:
 579                                                                 iptr[0].opc = ICMD_LSHLCONST;
 580                                                                 goto icmd_lconst_tail;
 581                                                         case ICMD_LSHR:
 582                                                                 iptr[0].opc = ICMD_LSHRCONST;
 583                                                                 goto icmd_lconst_tail;
 584                                                         case ICMD_LUSHR:
 585                                                                 iptr[0].opc = ICMD_LUSHRCONST;
 586                                                                 goto icmd_lconst_tail;
 587 #endif
 588                                                         case ICMD_IF_ICMPEQ:
 589                                                                 iptr[0].opc = ICMD_IFEQ;
 590                                                         icmd_if_icmp_tail:
 591                                                                 iptr[0].op1 = iptr[1].op1;
 592                                                                 bptr->icount--;
 593                                                                 len--;
 594                                                                 /* iptr[1].opc = ICMD_NOP; */
 595                                                                 OP1_0(TYPE_INT);
 596                                                                 tbptr = block + block_index[iptr->op1];
 597
 598                                                                 iptr[0].target = (void *) tbptr;
 599
 600                                                                 MARKREACHED(tbptr, copy);
 601                                                                 COUNT(count_pcmd_bra);
 602                                                                 break;
 603                                                         case ICMD_IF_ICMPLT:
 604                                                                 iptr[0].opc = ICMD_IFLT;
 605                                                                 goto icmd_if_icmp_tail;
 606                                                         case ICMD_IF_ICMPLE:
 607                                                                 iptr[0].opc = ICMD_IFLE;
 608                                                                 goto icmd_if_icmp_tail;
 609                                                         case ICMD_IF_ICMPNE:
 610                                                                 iptr[0].opc = ICMD_IFNE;
 611                                                                 goto icmd_if_icmp_tail;
 612                                                         case ICMD_IF_ICMPGT:
 613                                                                 iptr[0].opc = ICMD_IFGT;
 614                                                                 goto icmd_if_icmp_tail;
 615                                                         case ICMD_IF_ICMPGE:
 616                                                                 iptr[0].opc = ICMD_IFGE;
 617                                                                 goto icmd_if_icmp_tail;
 618                                                         default:
 619                                                                 PUSHCONST(TYPE_INT);
 620                                                         }
 621                                                 }
 622                                                 else
 623                                                         PUSHCONST(TYPE_INT);
 624                                                 break;
 625                                         case ICMD_LCONST:
 626                                                 COUNT(count_pcmd_load);
 627                                                 if (len > 0) {
 628                                                         switch (iptr[1].opc) {
 629 #if SUPPORT_LONG_ADD
 630                                                         case ICMD_LADD:
 631                                                                 iptr[0].opc = ICMD_LADDCONST;
 632                                                         icmd_lconst_tail:
 633                                                                 iptr[1].opc = ICMD_NOP;
 634                                                                 OP1_1(TYPE_LNG,TYPE_LNG);
 635                                                                 COUNT(count_pcmd_op);
 636                                                                 break;
 637                                                         case ICMD_LSUB:
 638                                                                 iptr[0].opc = ICMD_LSUBCONST;
 639                                                                 goto icmd_lconst_tail;
 640 #endif
 641 #if SUPPORT_LONG_MUL
 642                                                         case ICMD_LMUL:
 643                                                                 iptr[0].opc = ICMD_LMULCONST;
 644                                                                 goto icmd_lconst_tail;
 645 #endif
 646 #if SUPPORT_LONG_DIV
 647                                                         case ICMD_LDIV:
 648                                                                 if (iptr[0].val.l == 0x00000002)
 649                                                                         iptr[0].val.i = 1;
 650                                                                 else if (iptr[0].val.l == 0x00000004)
 651                                                                         iptr[0].val.i = 2;
 652                                                                 else if (iptr[0].val.l == 0x00000008)
 653                                                                         iptr[0].val.i = 3;
 654                                                                 else if (iptr[0].val.l == 0x00000010)
 655                                                                         iptr[0].val.i = 4;
 656                                                                 else if (iptr[0].val.l == 0x00000020)
 657                                                                         iptr[0].val.i = 5;
 658                                                                 else if (iptr[0].val.l == 0x00000040)
 659                                                                         iptr[0].val.i = 6;
 660                                                                 else if (iptr[0].val.l == 0x00000080)
 661                                                                         iptr[0].val.i = 7;
 662                                                                 else if (iptr[0].val.l == 0x00000100)
 663                                                                         iptr[0].val.i = 8;
 664                                                                 else if (iptr[0].val.l == 0x00000200)
 665                                                                         iptr[0].val.i = 9;
 666                                                                 else if (iptr[0].val.l == 0x00000400)
 667                                                                         iptr[0].val.i = 10;
 668                                                                 else if (iptr[0].val.l == 0x00000800)
 669                                                                         iptr[0].val.i = 11;
 670                                                                 else if (iptr[0].val.l == 0x00001000)
 671                                                                         iptr[0].val.i = 12;
 672                                                                 else if (iptr[0].val.l == 0x00002000)
 673                                                                         iptr[0].val.i = 13;
 674                                                                 else if (iptr[0].val.l == 0x00004000)
 675                                                                         iptr[0].val.i = 14;
 676                                                                 else if (iptr[0].val.l == 0x00008000)
 677                                                                         iptr[0].val.i = 15;
 678                                                                 else if (iptr[0].val.l == 0x00010000)
 679                                                                         iptr[0].val.i = 16;
 680                                                                 else if (iptr[0].val.l == 0x00020000)
 681                                                                         iptr[0].val.i = 17;
 682                                                                 else if (iptr[0].val.l == 0x00040000)
 683                                                                         iptr[0].val.i = 18;
 684                                                                 else if (iptr[0].val.l == 0x00080000)
 685                                                                         iptr[0].val.i = 19;
 686                                                                 else if (iptr[0].val.l == 0x00100000)
 687                                                                         iptr[0].val.i = 20;
 688                                                                 else if (iptr[0].val.l == 0x00200000)
 689                                                                         iptr[0].val.i = 21;
 690                                                                 else if (iptr[0].val.l == 0x00400000)
 691                                                                         iptr[0].val.i = 22;
 692                                                                 else if (iptr[0].val.l == 0x00800000)
 693                                                                         iptr[0].val.i = 23;
 694                                                                 else if (iptr[0].val.l == 0x01000000)
 695                                                                         iptr[0].val.i = 24;
 696                                                                 else if (iptr[0].val.l == 0x02000000)
 697                                                                         iptr[0].val.i = 25;
 698                                                                 else if (iptr[0].val.l == 0x04000000)
 699                                                                         iptr[0].val.i = 26;
 700                                                                 else if (iptr[0].val.l == 0x08000000)
 701                                                                         iptr[0].val.i = 27;
 702                                                                 else if (iptr[0].val.l == 0x10000000)
 703                                                                         iptr[0].val.i = 28;
 704                                                                 else if (iptr[0].val.l == 0x20000000)
 705                                                                         iptr[0].val.i = 29;
 706                                                                 else if (iptr[0].val.l == 0x40000000)
 707                                                                         iptr[0].val.i = 30;
 708                                                                 else if (iptr[0].val.l == 0x80000000)
 709                                                                         iptr[0].val.i = 31;
 710                                                                 else {
 711                                                                         PUSHCONST(TYPE_LNG);
 712                                                                         break;
 713                                                                 }
 714                                                                 iptr[0].opc = ICMD_LDIVPOW2;
 715                                                                 goto icmd_lconst_tail;
 716                                                         case ICMD_LREM:
 717 #if !defined(NO_DIV_OPT)
 718                                                                 if (iptr[0].val.l == 0x10001) {
 719                                                                         iptr[0].opc = ICMD_LREM0X10001;
 720                                                                         goto icmd_lconst_tail;
 721                                                                 }
 722 #endif
 723                                                                 if ((iptr[0].val.l == 0x00000002) ||
 724                                                                         (iptr[0].val.l == 0x00000004) ||
 725                                                                         (iptr[0].val.l == 0x00000008) ||
 726                                                                         (iptr[0].val.l == 0x00000010) ||
 727                                                                         (iptr[0].val.l == 0x00000020) ||
 728                                                                         (iptr[0].val.l == 0x00000040) ||
 729                                                                         (iptr[0].val.l == 0x00000080) ||
 730                                                                         (iptr[0].val.l == 0x00000100) ||
 731                                                                         (iptr[0].val.l == 0x00000200) ||
 732                                                                         (iptr[0].val.l == 0x00000400) ||
 733                                                                         (iptr[0].val.l == 0x00000800) ||
 734                                                                         (iptr[0].val.l == 0x00001000) ||
 735                                                                         (iptr[0].val.l == 0x00002000) ||
 736                                                                         (iptr[0].val.l == 0x00004000) ||
 737                                                                         (iptr[0].val.l == 0x00008000) ||
 738                                                                         (iptr[0].val.l == 0x00010000) ||
 739                                                                         (iptr[0].val.l == 0x00020000) ||
 740                                                                         (iptr[0].val.l == 0x00040000) ||
 741                                                                         (iptr[0].val.l == 0x00080000) ||
 742                                                                         (iptr[0].val.l == 0x00100000) ||
 743                                                                         (iptr[0].val.l == 0x00200000) ||
 744                                                                         (iptr[0].val.l == 0x00400000) ||
 745                                                                         (iptr[0].val.l == 0x00800000) ||
 746                                                                         (iptr[0].val.l == 0x01000000) ||
 747                                                                         (iptr[0].val.l == 0x02000000) ||
 748                                                                         (iptr[0].val.l == 0x04000000) ||
 749                                                                         (iptr[0].val.l == 0x08000000) ||
 750                                                                         (iptr[0].val.l == 0x10000000) ||
 751                                                                         (iptr[0].val.l == 0x20000000) ||
 752                                                                         (iptr[0].val.l == 0x40000000) ||
 753                                                                         (iptr[0].val.l == 0x80000000)) {
 754                                                                         iptr[0].opc = ICMD_LREMPOW2;
 755                                                                         iptr[0].val.l -= 1;
 756                                                                         goto icmd_lconst_tail;
 757                                                                 }
 758                                                                 PUSHCONST(TYPE_LNG);
 759                                                                 break;
 760 #endif
 761 #if SUPPORT_LONG_LOG
 762                                                         case ICMD_LAND:
 763                                                                 iptr[0].opc = ICMD_LANDCONST;
 764                                                                 goto icmd_lconst_tail;
 765                                                         case ICMD_LOR:
 766                                                                 iptr[0].opc = ICMD_LORCONST;
 767                                                                 goto icmd_lconst_tail;
 768                                                         case ICMD_LXOR:
 769                                                                 iptr[0].opc = ICMD_LXORCONST;
 770                                                                 goto icmd_lconst_tail;
 771 #endif
 772 #if !defined(NOLONG_CONDITIONAL)
 773                                                         case ICMD_LCMP:
 774                                                                 if ((len > 1) && (iptr[2].val.i == 0)) {
 775                                                                         switch (iptr[2].opc) {
 776                                                                         case ICMD_IFEQ:
 777                                                                                 iptr[0].opc = ICMD_IF_LEQ;
 778                                                                         icmd_lconst_lcmp_tail:
 779                                                                                 iptr[0].op1 = iptr[2].op1;
 780                                                                                 bptr->icount -= 2;
 781                                                                                 len -= 2;
 782                                                                                 /* iptr[1].opc = ICMD_NOP;
 783                                                                                    iptr[2].opc = ICMD_NOP; */
 784                                                                                 OP1_0(TYPE_LNG);
 785                                                                                 tbptr = block + block_index[iptr->op1];
 786
 787                                                                                 iptr[0].target = (void *) tbptr;
 788
 789                                                                                 MARKREACHED(tbptr, copy);
 790                                                                                 COUNT(count_pcmd_bra);
 791                                                                                 COUNT(count_pcmd_op);
 792                                                                                 break;
 793                                                                         case ICMD_IFNE:
 794                                                                                 iptr[0].opc = ICMD_IF_LNE;
 795                                                                                 goto icmd_lconst_lcmp_tail;
 796                                                                         case ICMD_IFLT:
 797                                                                                 iptr[0].opc = ICMD_IF_LLT;
 798                                                                                 goto icmd_lconst_lcmp_tail;
 799                                                                         case ICMD_IFGT:
 800                                                                                 iptr[0].opc = ICMD_IF_LGT;
 801                                                                                 goto icmd_lconst_lcmp_tail;
 802                                                                         case ICMD_IFLE:
 803                                                                                 iptr[0].opc = ICMD_IF_LLE;
 804                                                                                 goto icmd_lconst_lcmp_tail;
 805                                                                         case ICMD_IFGE:
 806                                                                                 iptr[0].opc = ICMD_IF_LGE;
 807                                                                                 goto icmd_lconst_lcmp_tail;
 808                                                                         default:
 809                                                                                 PUSHCONST(TYPE_LNG);
 810                                                                         } /* switch (iptr[2].opc) */
 811                                                                 } /* if (iptr[2].val.i == 0) */
 812                                                                 else
 813                                                                         PUSHCONST(TYPE_LNG);
 814                                                                 break;
 815 #endif
 816                                                         default:
 817                                                                 PUSHCONST(TYPE_LNG);
 818                                                         }
 819                                                 }
 820                                                 else
 821                                                         PUSHCONST(TYPE_LNG);
 822                                                 break;
 823                                         case ICMD_FCONST:
 824                                                 COUNT(count_pcmd_load);
 825                                                 PUSHCONST(TYPE_FLT);
 826                                                 break;
 827                                         case ICMD_DCONST:
 828                                                 COUNT(count_pcmd_load);
 829                                                 PUSHCONST(TYPE_DBL);
 830                                                 break;
 831                                         case ICMD_ACONST:
 832                                                 COUNT(count_pcmd_load);
 833                                                 PUSHCONST(TYPE_ADR);
 834                                                 break;
 835
 836                                                 /* pop 0 push 1 load */
 837
 838                                         case ICMD_ILOAD:
 839                                         case ICMD_LLOAD:
 840                                         case ICMD_FLOAD:
 841                                         case ICMD_DLOAD:
 842                                         case ICMD_ALOAD:
 843                                                 COUNT(count_load_instruction);
 844                                                 i = opcode-ICMD_ILOAD;
 845                                                 iptr->op1 = argren[iptr->op1];
 846                                                 locals[iptr->op1][i].type = i;
 847                                                 LOAD(i, LOCALVAR, iptr->op1);
 848                                                 break;
 849
 850                                                 /* pop 2 push 1 */
 851
 852                                         case ICMD_IALOAD:
 853                                         case ICMD_LALOAD:
 854                                         case ICMD_FALOAD:
 855                                         case ICMD_DALOAD:
 856                                         case ICMD_AALOAD:
 857                                                 COUNT(count_check_null);
 858                                                 COUNT(count_check_bound);
 859                                                 COUNT(count_pcmd_mem);
 860                                                 OP2IAT_1(opcode-ICMD_IALOAD);
 861                                                 break;
 862
 863                                         case ICMD_BALOAD:
 864                                         case ICMD_CALOAD:
 865                                         case ICMD_SALOAD:
 866                                                 COUNT(count_check_null);
 867                                                 COUNT(count_check_bound);
 868                                                 COUNT(count_pcmd_mem);
 869                                                 OP2IAT_1(TYPE_INT);
 870                                                 break;
 871
 872                                                 /* pop 0 push 0 iinc */
 873
 874                                         case ICMD_IINC:
 875 #ifdef STATISTICS
 876                                                 i = stackdepth;
 877                                                 if (i >= 10)
 878                                                         count_store_depth[10]++;
 879                                                 else
 880                                                         count_store_depth[i]++;
 881 #endif
 882                                                 copy = curstack;
 883                                                 i = stackdepth - 1;
 884                                                 while (copy) {
 885                                                         if ((copy->varkind == LOCALVAR) &&
 886                                                                 (copy->varnum == iptr->op1)) {
 887                                                                 copy->varkind = TEMPVAR;
 888                                                                 copy->varnum = i;
 889                                                         }
 890                                                         i--;
 891                                                         copy = copy->prev;
 892                                                 }
 893                                                 SETDST;
 894                                                 break;
 895
 896                                                 /* pop 1 push 0 store */
 897
 898                                         case ICMD_ISTORE:
 899                                         case ICMD_LSTORE:
 900                                         case ICMD_FSTORE:
 901                                         case ICMD_DSTORE:
 902                                         case ICMD_ASTORE:
 903                                         icmd_store:
 904                                                 REQUIRE_1;
 905
 906                                         i = opcode - ICMD_ISTORE;
 907                                         locals[iptr->op1][i].type = i;
 908 #ifdef STATISTICS
 909                                         count_pcmd_store++;
 910                                         i = new - curstack;
 911                                         if (i >= 20)
 912                                                 count_store_length[20]++;
 913                                         else
 914                                                 count_store_length[i]++;
 915                                         i = stackdepth - 1;
 916                                         if (i >= 10)
 917                                                 count_store_depth[10]++;
 918                                         else
 919                                                 count_store_depth[i]++;
 920 #endif
 921                                         copy = curstack->prev;
 922                                         i = stackdepth - 2;
 923                                         while (copy) {
 924                                                 if ((copy->varkind == LOCALVAR) &&
 925                                                         (copy->varnum == iptr->op1)) {
 926                                                         copy->varkind = TEMPVAR;
 927                                                         copy->varnum = i;
 928                                                 }
 929                                                 i--;
 930                                                 copy = copy->prev;
 931                                         }
 932                                         if ((new - curstack) == 1) {
 933                                                 curstack->varkind = LOCALVAR;
 934                                                 curstack->varnum = iptr->op1;
 935                                         };
 936                                         STORE(opcode-ICMD_ISTORE);
 937                                         break;
 938
 939                                         /* pop 3 push 0 */
 940
 941                                         case ICMD_IASTORE:
 942                                         case ICMD_LASTORE:
 943                                         case ICMD_FASTORE:
 944                                         case ICMD_DASTORE:
 945                                         case ICMD_AASTORE:
 946                                                 COUNT(count_check_null);
 947                                                 COUNT(count_check_bound);
 948                                                 COUNT(count_pcmd_mem);
 949                                                 OP3TIA_0(opcode-ICMD_IASTORE);
 950                                                 break;
 951                                         case ICMD_BASTORE:
 952                                         case ICMD_CASTORE:
 953                                         case ICMD_SASTORE:
 954                                                 COUNT(count_check_null);
 955                                                 COUNT(count_check_bound);
 956                                                 COUNT(count_pcmd_mem);
 957                                                 OP3TIA_0(TYPE_INT);
 958                                                 break;
 959
 960                                                 /* pop 1 push 0 */
 961
 962                                         case ICMD_POP:
 963                                                 OP1_0ANY;
 964                                                 break;
 965
 966                                         case ICMD_IRETURN:
 967                                         case ICMD_LRETURN:
 968                                         case ICMD_FRETURN:
 969                                         case ICMD_DRETURN:
 970                                         case ICMD_ARETURN:
 971                                                 COUNT(count_pcmd_return);
 972                                                 OP1_0(opcode-ICMD_IRETURN);
 973                                                 superblockend = true;
 974                                                 break;
 975
 976                                         case ICMD_ATHROW:
 977                                                 COUNT(count_check_null);
 978                                                 OP1_0(TYPE_ADR);
 979                                                 STACKRESET;
 980                                                 SETDST;
 981                                                 superblockend = true;
 982                                                 break;
 983
 984                                         case ICMD_PUTSTATIC:
 985                                                 COUNT(count_pcmd_mem);
 986                                                 OP1_0(iptr->op1);
 987                                                 break;
 988
 989                                                 /* pop 1 push 0 branch */
 990
 991                                         case ICMD_IFNULL:
 992                                         case ICMD_IFNONNULL:
 993                                                 COUNT(count_pcmd_bra);
 994                                                 OP1_0(TYPE_ADR);
 995                                                 tbptr = block + block_index[iptr->op1];
 996
 997                                                 iptr[0].target = (void *) tbptr;
 998
 999                                                 MARKREACHED(tbptr, copy);
1000                                                 break;
1001
1002                                         case ICMD_IFEQ:
1003                                         case ICMD_IFNE:
1004                                         case ICMD_IFLT:
1005                                         case ICMD_IFGE:
1006                                         case ICMD_IFGT:
1007                                         case ICMD_IFLE:
1008                                                 COUNT(count_pcmd_bra);
1009 #ifdef CONDITIONAL_LOADCONST
1010                                                 {
1011                                                         tbptr = block + b_index;
1012                                                         if ((b_count >= 3) &&
1013                                                             ((b_index + 2) == block_index[iptr[0].op1]) &&
1014                                                             (tbptr[1].pre_count == 1) &&
1015                                                             (iptr[1].opc == ICMD_ICONST) &&
1016                                                             (iptr[2].opc == ICMD_GOTO)   &&
1017                                                             ((b_index + 3) == block_index[iptr[2].op1]) &&
1018                                                             (tbptr[2].pre_count == 1) &&
1019                                                             (iptr[3].opc == ICMD_ICONST)) {
1020                                                                 OP1_1(TYPE_INT, TYPE_INT);
1021                                                                 switch (iptr[0].opc) {
1022                                                                 case ICMD_IFEQ:
1023                                                                         iptr[0].opc = ICMD_IFNE_ICONST;
1024                                                                         break;
1025                                                                 case ICMD_IFNE:
1026                                                                         iptr[0].opc = ICMD_IFEQ_ICONST;
1027                                                                         break;
1028                                                                 case ICMD_IFLT:
1029                                                                         iptr[0].opc = ICMD_IFGE_ICONST;
1030                                                                         break;
1031                                                                 case ICMD_IFGE:
1032                                                                         iptr[0].opc = ICMD_IFLT_ICONST;
1033                                                                         break;
1034                                                                 case ICMD_IFGT:
1035                                                                         iptr[0].opc = ICMD_IFLE_ICONST;
1036                                                                         break;
1037                                                                 case ICMD_IFLE:
1038                                                                         iptr[0].opc = ICMD_IFGT_ICONST;
1039                                                                         break;
1040                                                                 }
1041                                                                 iptr[0].val.i = iptr[1].val.i;
1042                                                                 iptr[1].opc = ICMD_ELSE_ICONST;
1043                                                                 iptr[1].val.i = iptr[3].val.i;
1044                                                                 iptr[2].opc = ICMD_NOP;
1045                                                                 iptr[3].opc = ICMD_NOP;
1046                                                                 tbptr[1].flags = BBDELETED;
1047                                                                 tbptr[2].flags = BBDELETED;
1048                                                                 tbptr[1].icount = 0;
1049                                                                 tbptr[2].icount = 0;
1050                                                                 if (tbptr[3].pre_count == 2) {
1051                                                                         len += tbptr[3].icount + 3;
1052                                                                         bptr->icount += tbptr[3].icount + 3;
1053                                                                         tbptr[3].flags = BBDELETED;
1054                                                                         tbptr[3].icount = 0;
1055                                                                         b_index++;
1056                                                                 }
1057                                                                 else {
1058                                                                         bptr->icount++;
1059                                                                         len ++;
1060                                                                 }
1061                                                                 b_index += 2;
1062                                                                 break;
1063                                                         }
1064                                                 }
1065 #endif
1066                                                 OP1_0(TYPE_INT);
1067                                                 tbptr = block + block_index[iptr->op1];
1068
1069                                                 iptr[0].target = (void *) tbptr;
1070
1071                                                 MARKREACHED(tbptr, copy);
1072                                                 break;
1073
1074                                                 /* pop 0 push 0 branch */
1075
1076                                         case ICMD_GOTO:
1077                                                 COUNT(count_pcmd_bra);
1078                                                 tbptr = block + block_index[iptr->op1];
1079
1080                                                 iptr[0].target = (void *) tbptr;
1081
1082                                                 MARKREACHED(tbptr, copy);
1083                                                 SETDST;
1084                                                 superblockend = true;
1085                                                 break;
1086
1087                                                 /* pop 1 push 0 table branch */
1088
1089                                         case ICMD_TABLESWITCH:
1090                                                 COUNT(count_pcmd_table);
1091                                                 OP1_0(TYPE_INT);
1092                                                 s4ptr = iptr->val.a;
1093                                                 tbptr = block + block_index[*s4ptr++]; /* default */
1094                                                 MARKREACHED(tbptr, copy);
1095                                                 i = *s4ptr++;                          /* low     */
1096                                                 i = *s4ptr++ - i + 1;                  /* high    */
1097
1098                                                 tptr = DMNEW(void*, i+1);
1099                                                 iptr->target = (void *) tptr;
1100
1101                                                 tptr[0] = (void *) tbptr;
1102                                                 tptr++;
1103
1104                                                 while (--i >= 0) {
1105                                                         tbptr = block + block_index[*s4ptr++];
1106
1107                                                         tptr[0] = (void *) tbptr;
1108                                                         tptr++;
1109
1110                                                         MARKREACHED(tbptr, copy);
1111                                                 }
1112                                                 SETDST;
1113                                                 superblockend = true;
1114                                                 break;
1115
1116                                                 /* pop 1 push 0 table branch */
1117
1118                                         case ICMD_LOOKUPSWITCH:
1119                                                 COUNT(count_pcmd_table);
1120                                                 OP1_0(TYPE_INT);
1121                                                 s4ptr = iptr->val.a;
1122                                                 tbptr = block + block_index[*s4ptr++]; /* default */
1123                                                 MARKREACHED(tbptr, copy);
1124                                                 i = *s4ptr++;                          /* count   */
1125
1126                                                 tptr = DMNEW(void*, i+1);
1127                                                 iptr->target = (void *) tptr;
1128
1129                                                 tptr[0] = (void *) tbptr;
1130                                                 tptr++;
1131
1132                                                 while (--i >= 0) {
1133                                                         tbptr = block + block_index[s4ptr[1]];
1134
1135                                                         tptr[0] = (void *) tbptr;
1136                                                         tptr++;
1137
1138                                                         MARKREACHED(tbptr, copy);
1139                                                         s4ptr += 2;
1140                                                 }
1141                                                 SETDST;
1142                                                 superblockend = true;
1143                                                 break;
1144
1145                                         case ICMD_NULLCHECKPOP:
1146                                         case ICMD_MONITORENTER:
1147                                                 COUNT(count_check_null);
1148                                         case ICMD_MONITOREXIT:
1149                                                 OP1_0(TYPE_ADR);
1150                                                 break;
1151
1152                                                 /* pop 2 push 0 branch */
1153
1154                                         case ICMD_IF_ICMPEQ:
1155                                         case ICMD_IF_ICMPNE:
1156                                         case ICMD_IF_ICMPLT:
1157                                         case ICMD_IF_ICMPGE:
1158                                         case ICMD_IF_ICMPGT:
1159                                         case ICMD_IF_ICMPLE:
1160                                                 COUNT(count_pcmd_bra);
1161                                                 OP2_0(TYPE_INT);
1162                                                 tbptr = block + block_index[iptr->op1];
1163
1164                                                 iptr[0].target = (void *) tbptr;
1165
1166                                                 MARKREACHED(tbptr, copy);
1167                                                 break;
1168
1169                                         case ICMD_IF_ACMPEQ:
1170                                         case ICMD_IF_ACMPNE:
1171                                                 COUNT(count_pcmd_bra);
1172                                                 OP2_0(TYPE_ADR);
1173                                                 tbptr = block + block_index[iptr->op1];
1174
1175                                                 iptr[0].target = (void *) tbptr;
1176
1177                                                 MARKREACHED(tbptr, copy);
1178                                                 break;
1179
1180                                                 /* pop 2 push 0 */
1181
1182                                         case ICMD_PUTFIELD:
1183                                                 COUNT(count_check_null);
1184                                                 COUNT(count_pcmd_mem);
1185                                                 OPTT2_0(iptr->op1,TYPE_ADR);
1186                                                 break;
1187
1188                                         case ICMD_POP2:
1189                                                 REQUIRE_1;
1190                                                 if (! IS_2_WORD_TYPE(curstack->type)) {
1191                                                         OP1_0ANY;                /* second pop */
1192                                                 }
1193                                                 else
1194                                                         iptr->opc = ICMD_POP;
1195                                                 OP1_0ANY;
1196                                                 break;
1197
1198                                                 /* pop 0 push 1 dup */
1199
1200                                         case ICMD_DUP:
1201                                                 COUNT(count_dup_instruction);
1202                                                 DUP;
1203                                                 break;
1204
1205                                         case ICMD_DUP2:
1206                                                 REQUIRE_1;
1207                                                 if (IS_2_WORD_TYPE(curstack->type)) {
1208                                                         iptr->opc = ICMD_DUP;
1209                                                         DUP;
1210                                                 }
1211                                                 else {
1212                                                         REQUIRE_2;
1213                                                         copy = curstack;
1214                                                         NEWSTACK(copy->prev->type, copy->prev->varkind,
1215                                                                          copy->prev->varnum);
1216                                                         NEWSTACK(copy->type, copy->varkind,
1217                                                                          copy->varnum);
1218                                                         SETDST;
1219                                                         stackdepth+=2;
1220                                                 }
1221                                                 break;
1222
1223                                                 /* pop 2 push 3 dup */
1224
1225                                         case ICMD_DUP_X1:
1226                                                 DUP_X1;
1227                                                 break;
1228
1229                                         case ICMD_DUP2_X1:
1230                                                 REQUIRE_2;
1231                                                 if (IS_2_WORD_TYPE(curstack->type)) {
1232                                                         iptr->opc = ICMD_DUP_X1;
1233                                                         DUP_X1;
1234                                                 }
1235                                                 else {
1236                                                         DUP2_X1;
1237                                                 }
1238                                                 break;
1239
1240                                                 /* pop 3 push 4 dup */
1241
1242                                         case ICMD_DUP_X2:
1243                                                 REQUIRE_2;
1244                                                 if (IS_2_WORD_TYPE(curstack->prev->type)) {
1245                                                         iptr->opc = ICMD_DUP_X1;
1246                                                         DUP_X1;
1247                                                 }
1248                                                 else {
1249                                                         DUP_X2;
1250                                                 }
1251                                                 break;
1252
1253                                         case ICMD_DUP2_X2:
1254                                                 REQUIRE_2;
1255                                                 if (IS_2_WORD_TYPE(curstack->type)) {
1256                                                         if (IS_2_WORD_TYPE(curstack->prev->type)) {
1257                                                                 iptr->opc = ICMD_DUP_X1;
1258                                                                 DUP_X1;
1259                                                         }
1260                                                         else {
1261                                                                 iptr->opc = ICMD_DUP_X2;
1262                                                                 DUP_X2;
1263                                                         }
1264                                                 }
1265                                                 else
1266                                                         REQUIRE_3;
1267                                                         if (IS_2_WORD_TYPE(curstack->prev->prev->type)) {
1268                                                                 iptr->opc = ICMD_DUP2_X1;
1269                                                                 DUP2_X1;
1270                                                         }
1271                                                         else {
1272                                                                 DUP2_X2;
1273                                                         }
1274                                                 break;
1275
1276                                                 /* pop 2 push 2 swap */
1277
1278                                         case ICMD_SWAP:
1279                                                 SWAP;
1280                                                 break;
1281
1282                                                 /* pop 2 push 1 */
1283
1284                                         case ICMD_IDIV:
1285 #if !SUPPORT_DIVISION
1286                                                 iptr[0].opc = ICMD_BUILTIN2;
1287                                                 iptr[0].op1 = TYPE_INT;
1288                                                 iptr[0].val.a = BUILTIN_idiv;
1289                                                 isleafmethod = false;
1290                                                 goto builtin2;
1291 #endif
1292
1293                                         case ICMD_IREM:
1294 #if !SUPPORT_DIVISION
1295                                                 iptr[0].opc = ICMD_BUILTIN2;
1296                                                 iptr[0].op1 = TYPE_INT;
1297                                                 iptr[0].val.a = BUILTIN_irem;
1298                                                 isleafmethod = false;
1299                                                 goto builtin2;
1300 #endif
1301
1302                                         case ICMD_IADD:
1303                                         case ICMD_ISUB:
1304                                         case ICMD_IMUL:
1305
1306                                         case ICMD_ISHL:
1307                                         case ICMD_ISHR:
1308                                         case ICMD_IUSHR:
1309                                         case ICMD_IAND:
1310                                         case ICMD_IOR:
1311                                         case ICMD_IXOR:
1312                                                 COUNT(count_pcmd_op);
1313                                                 OP2_1(TYPE_INT);
1314                                                 break;
1315
1316                                         case ICMD_LDIV:
1317 #if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
1318                                                 iptr[0].opc = ICMD_BUILTIN2;
1319                                                 iptr[0].op1 = TYPE_LNG;
1320                                                 iptr[0].val.a = BUILTIN_ldiv;
1321                                                 isleafmethod = false;
1322                                                 goto builtin2;
1323 #endif
1324
1325                                         case ICMD_LREM:
1326 #if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
1327                                                 iptr[0].opc = ICMD_BUILTIN2;
1328                                                 iptr[0].op1 = TYPE_LNG;
1329                                                 iptr[0].val.a = BUILTIN_lrem;
1330                                                 isleafmethod = false;
1331                                                 goto builtin2;
1332 #endif
1333
1334                                         case ICMD_LADD:
1335                                         case ICMD_LSUB:
1336                                         case ICMD_LMUL:
1337
1338                                         case ICMD_LOR:
1339                                         case ICMD_LAND:
1340                                         case ICMD_LXOR:
1341                                                 /* XXX DEBUG */ /*dolog("OP2_1(TYPE_LNG)"); */
1342                                                 COUNT(count_pcmd_op);
1343                                                 OP2_1(TYPE_LNG);
1344                                                 break;
1345
1346                                         case ICMD_LSHL:
1347                                         case ICMD_LSHR:
1348                                         case ICMD_LUSHR:
1349                                                 COUNT(count_pcmd_op);
1350                                                 OP2IT_1(TYPE_LNG);
1351                                                 break;
1352
1353                                         case ICMD_FADD:
1354                                         case ICMD_FSUB:
1355                                         case ICMD_FMUL:
1356                                         case ICMD_FDIV:
1357                                         case ICMD_FREM:
1358                                                 COUNT(count_pcmd_op);
1359                                                 OP2_1(TYPE_FLT);
1360                                                 break;
1361
1362                                         case ICMD_DADD:
1363                                         case ICMD_DSUB:
1364                                         case ICMD_DMUL:
1365                                         case ICMD_DDIV:
1366                                         case ICMD_DREM:
1367                                                 COUNT(count_pcmd_op);
1368                                                 OP2_1(TYPE_DBL);
1369                                                 break;
1370
1371                                         case ICMD_LCMP:
1372                                                 COUNT(count_pcmd_op);
1373 #if !defined(NOLONG_CONDITIONAL)
1374                                                 if ((len > 0) && (iptr[1].val.i == 0)) {
1375                                                         switch (iptr[1].opc) {
1376                                                         case ICMD_IFEQ:
1377                                                                 iptr[0].opc = ICMD_IF_LCMPEQ;
1378                                                         icmd_lcmp_if_tail:
1379                                                                 iptr[0].op1 = iptr[1].op1;
1380                                                                 len--;
1381                                                                 bptr->icount--;
1382                                                                 /* iptr[1].opc = ICMD_NOP; */
1383                                                                 OP2_0(TYPE_LNG);
1384                                                                 tbptr = block + block_index[iptr->op1];
1385
1386                                                                 iptr[0].target = (void *) tbptr;
1387
1388                                                                 MARKREACHED(tbptr, copy);
1389                                                                 COUNT(count_pcmd_bra);
1390                                                                 break;
1391                                                         case ICMD_IFNE:
1392                                                                 iptr[0].opc = ICMD_IF_LCMPNE;
1393                                                                 goto icmd_lcmp_if_tail;
1394                                                         case ICMD_IFLT:
1395                                                                 iptr[0].opc = ICMD_IF_LCMPLT;
1396                                                                 goto icmd_lcmp_if_tail;
1397                                                         case ICMD_IFGT:
1398                                                                 iptr[0].opc = ICMD_IF_LCMPGT;
1399                                                                 goto icmd_lcmp_if_tail;
1400                                                         case ICMD_IFLE:
1401                                                                 iptr[0].opc = ICMD_IF_LCMPLE;
1402                                                                 goto icmd_lcmp_if_tail;
1403                                                         case ICMD_IFGE:
1404                                                                 iptr[0].opc = ICMD_IF_LCMPGE;
1405                                                                 goto icmd_lcmp_if_tail;
1406                                                         default:
1407                                                                 OPTT2_1(TYPE_LNG, TYPE_INT);
1408                                                         }
1409                                                 }
1410                                                 else
1411 #endif
1412                                                         OPTT2_1(TYPE_LNG, TYPE_INT);
1413                                                 break;
1414                                         case ICMD_FCMPL:
1415                                         case ICMD_FCMPG:
1416                                                 COUNT(count_pcmd_op);
1417                                                 OPTT2_1(TYPE_FLT, TYPE_INT);
1418                                                 break;
1419                                         case ICMD_DCMPL:
1420                                         case ICMD_DCMPG:
1421                                                 COUNT(count_pcmd_op);
1422                                                 OPTT2_1(TYPE_DBL, TYPE_INT);
1423                                                 break;
1424
1425                                                 /* pop 1 push 1 */
1426
1427                                         case ICMD_INEG:
1428                                         case ICMD_INT2BYTE:
1429                                         case ICMD_INT2CHAR:
1430                                         case ICMD_INT2SHORT:
1431                                                 COUNT(count_pcmd_op);
1432                                                 OP1_1(TYPE_INT, TYPE_INT);
1433                                                 break;
1434                                         case ICMD_LNEG:
1435                                                 COUNT(count_pcmd_op);
1436                                                 OP1_1(TYPE_LNG, TYPE_LNG);
1437                                                 break;
1438                                         case ICMD_FNEG:
1439                                                 COUNT(count_pcmd_op);
1440                                                 OP1_1(TYPE_FLT, TYPE_FLT);
1441                                                 break;
1442                                         case ICMD_DNEG:
1443                                                 COUNT(count_pcmd_op);
1444                                                 OP1_1(TYPE_DBL, TYPE_DBL);
1445                                                 break;
1446
1447                                         case ICMD_I2L:
1448                                                 COUNT(count_pcmd_op);
1449                                                 OP1_1(TYPE_INT, TYPE_LNG);
1450                                                 break;
1451                                         case ICMD_I2F:
1452                                                 COUNT(count_pcmd_op);
1453                                                 OP1_1(TYPE_INT, TYPE_FLT);
1454                                                 break;
1455                                         case ICMD_I2D:
1456                                                 COUNT(count_pcmd_op);
1457                                                 OP1_1(TYPE_INT, TYPE_DBL);
1458                                                 break;
1459                                         case ICMD_L2I:
1460                                                 COUNT(count_pcmd_op);
1461                                                 OP1_1(TYPE_LNG, TYPE_INT);
1462                                                 break;
1463                                         case ICMD_L2F:
1464                                                 COUNT(count_pcmd_op);
1465                                                 OP1_1(TYPE_LNG, TYPE_FLT);
1466                                                 break;
1467                                         case ICMD_L2D:
1468                                                 COUNT(count_pcmd_op);
1469                                                 OP1_1(TYPE_LNG, TYPE_DBL);
1470                                                 break;
1471                                         case ICMD_F2I:
1472                                                 COUNT(count_pcmd_op);
1473                                                 OP1_1(TYPE_FLT, TYPE_INT);
1474                                                 break;
1475                                         case ICMD_F2L:
1476                                                 COUNT(count_pcmd_op);
1477                                                 OP1_1(TYPE_FLT, TYPE_LNG);
1478                                                 break;
1479                                         case ICMD_F2D:
1480                                                 COUNT(count_pcmd_op);
1481                                                 OP1_1(TYPE_FLT, TYPE_DBL);
1482                                                 break;
1483                                         case ICMD_D2I:
1484                                                 COUNT(count_pcmd_op);
1485                                                 OP1_1(TYPE_DBL, TYPE_INT);
1486                                                 break;
1487                                         case ICMD_D2L:
1488                                                 COUNT(count_pcmd_op);
1489                                                 OP1_1(TYPE_DBL, TYPE_LNG);
1490                                                 break;
1491                                         case ICMD_D2F:
1492                                                 COUNT(count_pcmd_op);
1493                                                 OP1_1(TYPE_DBL, TYPE_FLT);
1494                                                 break;
1495
1496                                         case ICMD_CHECKCAST:
1497                                                 OP1_1(TYPE_ADR, TYPE_ADR);
1498                                                 break;
1499
1500                                         case ICMD_ARRAYLENGTH:
1501                                         case ICMD_INSTANCEOF:
1502                                                 OP1_1(TYPE_ADR, TYPE_INT);
1503                                                 break;
1504
1505                                         case ICMD_NEWARRAY:
1506                                         case ICMD_ANEWARRAY:
1507                                                 OP1_1(TYPE_INT, TYPE_ADR);
1508                                                 break;
1509
1510                                         case ICMD_GETFIELD:
1511                                                 COUNT(count_check_null);
1512                                                 COUNT(count_pcmd_mem);
1513                                                 OP1_1(TYPE_ADR, iptr->op1);
1514                                                 break;
1515
1516                                                 /* pop 0 push 1 */
1517
1518                                         case ICMD_GETSTATIC:
1519                                                 COUNT(count_pcmd_mem);
1520                                                 OP0_1(iptr->op1);
1521                                                 break;
1522
1523                                         case ICMD_NEW:
1524                                                 OP0_1(TYPE_ADR);
1525                                                 break;
1526
1527                                         case ICMD_JSR:
1528                                                 OP0_1(TYPE_ADR);
1529                                                 tbptr = block + block_index[iptr->op1];
1530
1531                                                 iptr[0].target = (void *) tbptr;
1532
1533                                                 /* XXX This is a dirty hack. The typechecker
1534                                                  * needs it because the OP1_0ANY below
1535                                                  * overwrites iptr->dst.
1536                                                  */
1537                                                 iptr->val.a = (void*) iptr->dst;
1538
1539                                                 tbptr->type=BBTYPE_SBR;
1540                                                 MARKREACHED(tbptr, copy);
1541                                                 OP1_0ANY;
1542                                                 break;
1543
1544                                                 /* pop many push any */
1545
1546                                         case ICMD_INVOKEVIRTUAL:
1547                                         case ICMD_INVOKESPECIAL:
1548                                         case ICMD_INVOKEINTERFACE:
1549                                         case ICMD_INVOKESTATIC:
1550                                                 COUNT(count_pcmd_met);
1551                                                 {
1552                                                         methodinfo *m = iptr->val.a;
1553                                                         if (m->flags & ACC_STATIC)
1554                                                                 {COUNT(count_check_null);}
1555                                                         i = iptr->op1;
1556                                                         if (i > arguments_num)
1557                                                                 arguments_num = i;
1558                                                         REQUIRE(i);
1559 #if defined(__X86_64__)
1560                                                         {
1561                                                                 int iarg = 0;
1562                                                                 int farg = 0;
1563                                                                 int stackargs = 0;
1564
1565                                                                 copy = curstack;
1566                                                                 while (--i >= 0) {
1567                                                                         (IS_FLT_DBL_TYPE(copy->type)) ? farg++ : iarg++;
1568                                                                         copy = copy->prev;
1569                                                                 }
1570
1571                                                                 stackargs += (iarg < intreg_argnum) ? 0 : (iarg - intreg_argnum);
1572                                                                 stackargs += (farg < fltreg_argnum) ? 0 : (farg - fltreg_argnum);
1573
1574                                                                 i = iptr->op1;
1575                                                                 copy = curstack;
1576                                                                 while (--i >= 0) {
1577                                                                         if (!(copy->flags & SAVEDVAR)) {
1578                                                                                 copy->varkind = ARGVAR;
1579                                                                                 if (IS_FLT_DBL_TYPE(copy->type)) {
1580                                                                                         if (--farg < fltreg_argnum) {
1581                                                                                                 copy->varnum = farg;
1582                                                                                         } else {
1583                                                                                                 copy->varnum = --stackargs + intreg_argnum;
1584                                                                                         }
1585                                                                                 } else {
1586                                                                                         if (--iarg < intreg_argnum) {
1587                                                                                                 copy->varnum = iarg;
1588                                                                                         } else {
1589                                                                                                 copy->varnum = --stackargs + intreg_argnum;
1590                                                                                         }
1591                                                                                 }
1592                                                                         } else {
1593                                                                                 (IS_FLT_DBL_TYPE(copy->type)) ? --farg : --iarg;
1594                                                                         }
1595                                                                         copy = copy->prev;
1596                                                                 }
1597                                                         }
1598 #else
1599                                                         copy = curstack;
1600                                                         while (--i >= 0) {
1601                                                                 if (! (copy->flags & SAVEDVAR)) {
1602                                                                         copy->varkind = ARGVAR;
1603                                                                         copy->varnum = i;
1604                                                                 }
1605                                                                 copy = copy->prev;
1606                                                         }
1607 #endif
1608                                                         while (copy) {
1609                                                                 copy->flags |= SAVEDVAR;
1610                                                                 copy = copy->prev;
1611                                                         }
1612                                                         i = iptr->op1;
1613                                                         POPMANY(i);
1614                                                         if (m->returntype != TYPE_VOID) {
1615                                                                 OP0_1(m->returntype);
1616                                                         }
1617                                                         break;
1618                                                 }
1619
1620                                         case ICMD_BUILTIN3:
1621                                                 /* XXX DEBUG */ /*dolog("builtin3");*/
1622                                                 REQUIRE_3;
1623                                                 if (! (curstack->flags & SAVEDVAR)) {
1624                                                         curstack->varkind = ARGVAR;
1625                                                         curstack->varnum = 2;
1626                                                 }
1627                                                 if (3 > arguments_num) {
1628                                                         arguments_num = 3;
1629                                                 }
1630                                                 OP1_0ANY;
1631
1632                                         case ICMD_BUILTIN2:
1633                                         builtin2:
1634                                                 REQUIRE_2;
1635                                                 /* XXX DEBUG */ /*dolog("builtin2");*/
1636                                         if (!(curstack->flags & SAVEDVAR)) {
1637                                                 curstack->varkind = ARGVAR;
1638                                                 curstack->varnum = 1;
1639                                         }
1640                                         if (2 > arguments_num) {
1641                                                 arguments_num = 2;
1642                                         }
1643                                         OP1_0ANY;
1644
1645                                         case ICMD_BUILTIN1:
1646                                         builtin1:
1647                                                 REQUIRE_1;
1648                                                 /* XXX DEBUG */ /*dolog("builtin1");*/
1649                                         if (!(curstack->flags & SAVEDVAR)) {
1650                                                 curstack->varkind = ARGVAR;
1651                                                 curstack->varnum = 0;
1652                                         }
1653                                         if (1 > arguments_num) {
1654                                                 arguments_num = 1;
1655                                         }
1656                                         OP1_0ANY;
1657                                         copy = curstack;
1658                                         while (copy) {
1659                                                 copy->flags |= SAVEDVAR;
1660                                                 copy = copy->prev;
1661                                         }
1662                                         if (iptr->op1 != TYPE_VOID)
1663                                                 OP0_1(iptr->op1);
1664                                         break;
1665
1666                                         case ICMD_MULTIANEWARRAY:
1667                                                 i = iptr->op1;
1668                                                 REQUIRE(i);
1669                                                 if ((i + intreg_argnum) > arguments_num)
1670                                                         arguments_num = i + intreg_argnum;
1671                                                 copy = curstack;
1672                                                 while (--i >= 0) {
1673                                                         if (! (copy->flags & SAVEDVAR)) {
1674                                                                 copy->varkind = ARGVAR;
1675                                                                 copy->varnum = i + intreg_argnum;
1676                                                         }
1677                                                         copy = copy->prev;
1678                                                 }
1679                                                 while (copy) {
1680                                                         copy->flags |= SAVEDVAR;
1681                                                         copy = copy->prev;
1682                                                 }
1683                                                 i = iptr->op1;
1684                                                 POPMANY(i);
1685                                                 OP0_1(TYPE_ADR);
1686                                                 break;
1687
1688                                         case ICMD_CLEAR_ARGREN:
1689                                                 for (i = iptr->op1; i<maxlocals; i++)
1690                                                         argren[i] = i;
1691                                                 iptr->opc = opcode = ICMD_NOP;
1692                                                 SETDST;
1693                                                 break;
1694
1695                                         case ICMD_READONLY_ARG:
1696                                         case ICMD_READONLY_ARG+1:
1697                                         case ICMD_READONLY_ARG+2:
1698                                         case ICMD_READONLY_ARG+3:
1699                                         case ICMD_READONLY_ARG+4:
1700
1701                                                 REQUIRE_1;
1702                                                 if (curstack->varkind == LOCALVAR) {
1703                                                         i = curstack->varnum;
1704                                                         argren[iptr->op1] = i;
1705                                                         iptr->op1 = i;
1706                                                 }
1707                                                 opcode = iptr->opc = opcode - ICMD_READONLY_ARG + ICMD_ISTORE;
1708                                                 goto icmd_store;
1709
1710                                                 break;
1711
1712                                         default:
1713                                                 printf("ICMD %d at %d\n", iptr->opc, (int)(iptr-instr));
1714                                                 panic("Missing ICMD code during stack analysis");
1715                                         } /* switch */
1716                                         /* XXX DEBUG */ /*dolog("iptr++");*/
1717                                         iptr++;
1718                                 } /* while instructions */
1719                                 bptr->outstack = curstack;
1720                                 bptr->outdepth = stackdepth;
1721                                 BBEND(curstack, i);
1722                         } /* if */
1723                         else
1724                                 superblockend = true;
1725                         bptr++;
1726                 } /* while blocks */
1727         } while (repeat && !deadcode);
1728
1729 #ifdef STATISTICS
1730         if (block_count > count_max_basic_blocks)
1731                 count_max_basic_blocks = block_count;
1732         count_basic_blocks += block_count;
1733         if (instr_count > count_max_javainstr)
1734                 count_max_javainstr = instr_count;
1735         count_javainstr += instr_count;
1736         if (stack_count > count_upper_bound_new_stack)
1737                 count_upper_bound_new_stack = stack_count;
1738         if ((new - stack) > count_max_new_stack)
1739                 count_max_new_stack = (new - stack);
1740
1741         b_count = block_count;
1742         bptr = block;
1743         while (--b_count >= 0) {
1744                 if (bptr->flags > BBREACHED) {
1745                         if (bptr->indepth >= 10)
1746                                 count_block_stack[10]++;
1747                         else
1748                                 count_block_stack[bptr->indepth]++;
1749                         len = bptr->icount;
1750                         if (len < 10)
1751                                 count_block_size_distribution[len]++;
1752                         else if (len <= 12)
1753                                 count_block_size_distribution[10]++;
1754                         else if (len <= 14)
1755                                 count_block_size_distribution[11]++;
1756                         else if (len <= 16)
1757                                 count_block_size_distribution[12]++;
1758                         else if (len <= 18)
1759                                 count_block_size_distribution[13]++;
1760                         else if (len <= 20)
1761                                 count_block_size_distribution[14]++;
1762                         else if (len <= 25)
1763                                 count_block_size_distribution[15]++;
1764                         else if (len <= 30)
1765                                 count_block_size_distribution[16]++;
1766                         else
1767                                 count_block_size_distribution[17]++;
1768                 }
1769                 bptr++;
1770         }
1771
1772         if (loops == 1)
1773                 count_analyse_iterations[0]++;
1774         else if (loops == 2)
1775                 count_analyse_iterations[1]++;
1776         else if (loops == 3)
1777                 count_analyse_iterations[2]++;
1778         else if (loops == 4)
1779                 count_analyse_iterations[3]++;
1780         else
1781                 count_analyse_iterations[4]++;
1782
1783         if (block_count <= 5)
1784                 count_method_bb_distribution[0]++;
1785         else if (block_count <= 10)
1786                 count_method_bb_distribution[1]++;
1787         else if (block_count <= 15)
1788                 count_method_bb_distribution[2]++;
1789         else if (block_count <= 20)
1790                 count_method_bb_distribution[3]++;
1791         else if (block_count <= 30)
1792                 count_method_bb_distribution[4]++;
1793         else if (block_count <= 40)
1794                 count_method_bb_distribution[5]++;
1795         else if (block_count <= 50)
1796                 count_method_bb_distribution[6]++;
1797         else if (block_count <= 75)
1798                 count_method_bb_distribution[7]++;
1799         else
1800                 count_method_bb_distribution[8]++;
1801 #endif
1802 }
1803
1804
1805 void icmd_print_stack(stackptr s)
1806 {
1807         int i, j;
1808         stackptr t;
1809
1810         i = maxstack;
1811         t = s;
1812
1813         while (t) {
1814                 i--;
1815                 t = t->prev;
1816         }
1817         j = maxstack - i;
1818         while (--i >= 0)
1819                 printf("    ");
1820         while (s) {
1821                 j--;
1822                 /* XXX remove */ /* printf("(%d)",s->flags); fflush(stdout); */
1823                 if (s->flags & SAVEDVAR)
1824                         switch (s->varkind) {
1825                         case TEMPVAR:
1826                                 if (s->flags & INMEMORY)
1827                                         printf((regs_ok) ? " M%02d" : " M??", s->regoff);
1828                                 else if ((s->type == TYPE_FLT) || (s->type == TYPE_DBL))
1829                                         printf((regs_ok) ? " F%02d" : " F??", s->regoff);
1830                                 else {
1831                                         if (regs_ok) printf(" %3s",regs[s->regoff]); else printf(" ???");
1832                                 }
1833                                 break;
1834                         case STACKVAR:
1835                                 printf(" I%02d", s->varnum);
1836                                 break;
1837                         case LOCALVAR:
1838                                 printf(" L%02d", s->varnum);
1839                                 break;
1840                         case ARGVAR:
1841                                 printf(" A%02d", s->varnum);
1842                                 break;
1843                         default:
1844                                 printf(" !%02d", j);
1845                         }
1846                 else
1847                         switch (s->varkind) {
1848                         case TEMPVAR:
1849                                 if (s->flags & INMEMORY)
1850                                         printf((regs_ok) ? " m%02d" : " m??", s->regoff);
1851                                 else if ((s->type == TYPE_FLT) || (s->type == TYPE_DBL))
1852                                         printf((regs_ok) ? " f%02d" : " f??", s->regoff);
1853                                 else {
1854                                         if (regs_ok) printf(" %3s",regs[s->regoff]); else printf(" ???");
1855                                 }
1856                                 break;
1857                         case STACKVAR:
1858                                 printf(" i%02d", s->varnum);
1859                                 break;
1860                         case LOCALVAR:
1861                                 printf(" l%02d", s->varnum);
1862                                 break;
1863                         case ARGVAR:
1864                                 printf(" a%02d", s->varnum);
1865                                 break;
1866                         default:
1867                                 printf(" ?%02d", j);
1868                         }
1869                 s = s->prev;
1870         }
1871 }
1872
1873
1874 #if 0
1875 static void print_reg(stackptr s) {
1876         if (s) {
1877                 if (s->flags & SAVEDVAR)
1878                         switch (s->varkind) {
1879                         case TEMPVAR:
1880                                 if (s->flags & INMEMORY)
1881                                         printf(" tm%02d", s->regoff);
1882                                 else
1883                                         printf(" tr%02d", s->regoff);
1884                                 break;
1885                         case STACKVAR:
1886                                 printf(" s %02d", s->varnum);
1887                                 break;
1888                         case LOCALVAR:
1889                                 printf(" l %02d", s->varnum);
1890                                 break;
1891                         case ARGVAR:
1892                                 printf(" a %02d", s->varnum);
1893                                 break;
1894                         default:
1895                                 printf(" ! %02d", s->varnum);
1896                         }
1897                 else
1898                         switch (s->varkind) {
1899                         case TEMPVAR:
1900                                 if (s->flags & INMEMORY)
1901                                         printf(" Tm%02d", s->regoff);
1902                                 else
1903                                         printf(" Tr%02d", s->regoff);
1904                                 break;
1905                         case STACKVAR:
1906                                 printf(" S %02d", s->varnum);
1907                                 break;
1908                         case LOCALVAR:
1909                                 printf(" L %02d", s->varnum);
1910                                 break;
1911                         case ARGVAR:
1912                                 printf(" A %02d", s->varnum);
1913                                 break;
1914                         default:
1915                                 printf(" ? %02d", s->varnum);
1916                         }
1917         }
1918         else
1919                 printf("     ");
1920
1921 }
1922 #endif
1923
1924
1925 char *icmd_builtin_name(functionptr bptr)
1926 {
1927         builtin_descriptor *bdesc = builtin_desc;
1928         while ((bdesc->opcode != 0) && (bdesc->builtin != bptr))
1929                 bdesc++;
1930         return (bdesc->opcode) ? bdesc->name : "<NOT IN TABLE>";
1931 }
1932
1933
1934 static char *jit_type[] = {
1935         "int",
1936         "lng",
1937         "flt",
1938         "dbl",
1939         "adr"
1940 };
1941
1942
1943 void show_icmd_method()
1944 {
1945         int i, j;
1946         int deadcode;
1947         s4  *s4ptr;
1948         instruction *iptr;
1949         basicblock *bptr;
1950         void **tptr;
1951         xtable *ex;
1952
1953         printf("\n");
1954         utf_fprint(stdout, class->name);
1955         printf(".");
1956         utf_fprint(stdout, method->name);
1957         printf(" ");
1958         utf_fprint(stdout, method->descriptor);
1959         printf ("\n\nMax locals: %d\n", (int) maxlocals);
1960         printf ("Max stack:  %d\n", (int) maxstack);
1961
1962         printf ("Exceptions (Number: %d):\n", exceptiontablelength);
1963         for (ex = extable; ex != NULL; ex = ex->down) {
1964                 printf("    L%03d ... ", ex->start->debug_nr );
1965                 printf("L%03d  = ", ex->end->debug_nr);
1966                 printf("L%03d\n", ex->handler->debug_nr);
1967         }
1968
1969         printf ("Local Table:\n");
1970         for (i = 0; i < maxlocals; i++) {
1971                 printf("   %3d: ", i);
1972                 for (j = TYPE_INT; j <= TYPE_ADR; j++)
1973                         if (locals[i][j].type >= 0) {
1974                                 printf("   (%s) ", jit_type[j]);
1975                                 if (locals[i][j].flags & INMEMORY)
1976                                         printf((regs_ok) ? "m%2d" : "m??", locals[i][j].regoff);
1977                                 else if ((j == TYPE_FLT) || (j == TYPE_DBL))
1978                                         printf((regs_ok) ? "f%02d" : "f??", locals[i][j].regoff);
1979                                 else {
1980                                         if (regs_ok) printf("%3s",regs[locals[i][j].regoff]); else printf("???");
1981                                 }
1982                         }
1983                 printf("\n");
1984         }
1985         printf("\n");
1986
1987         printf ("Interface Table:\n");
1988         for (i = 0; i < maxstack; i++) {
1989                 if ((interfaces[i][0].type >= 0) || (interfaces[i][1].type >= 0) ||
1990                     (interfaces[i][2].type >= 0) || (interfaces[i][3].type >= 0) ||
1991                     (interfaces[i][4].type >= 0)) {
1992                         printf("   %3d: ", i);
1993                         for (j = TYPE_INT; j <= TYPE_ADR; j++)
1994                                 if (interfaces[i][j].type >= 0) {
1995                                         printf("   (%s) ", jit_type[j]);
1996                                         if (interfaces[i][j].flags & SAVEDVAR) {
1997                                                 if (interfaces[i][j].flags & INMEMORY)
1998                                                         printf((regs_ok) ? "M%2d" : "M??", interfaces[i][j].regoff);
1999                                                 else if ((j == TYPE_FLT) || (j == TYPE_DBL))
2000                                                         printf((regs_ok) ? "F%02d" : "F??", interfaces[i][j].regoff);
2001                                                 else {
2002                                                         if (regs_ok) printf("%3s",regs[interfaces[i][j].regoff]); else printf("???");
2003                                                 }
2004                                         }
2005                                         else {
2006                                                 if (interfaces[i][j].flags & INMEMORY)
2007                                                         printf((regs_ok) ? "m%2d" : "m??", interfaces[i][j].regoff);
2008                                                 else if ((j == TYPE_FLT) || (j == TYPE_DBL))
2009                                                         printf((regs_ok) ? "f%02d" : "f??", interfaces[i][j].regoff);
2010                                                 else {
2011                                                         if (regs_ok) printf("%3s",regs[interfaces[i][j].regoff]); else printf("???");
2012                                                 }
2013                                         }
2014                                 }
2015                         printf("\n");
2016                 }
2017         }
2018         printf("\n");
2019
2020         if (showdisassemble) {
2021 #if defined(__I386__) || defined(__X86_64__)
2022                 u1 *u1ptr;
2023                 int a;
2024
2025                 u1ptr = method->mcode + dseglen;
2026                 for (i = 0; i < block[0].mpc; i++, u1ptr++) {
2027                         a = disassinstr(u1ptr, i);
2028                         i += a;
2029                         u1ptr += a;
2030                 }
2031                 printf("\n");
2032 #else
2033                 s4ptr = (s4 *) (method->mcode + dseglen);
2034                 for (i = 0; i < block[0].mpc; i += 4, s4ptr++) {
2035                         disassinstr(*s4ptr, i);
2036                 }
2037                 printf("\n");
2038 #endif
2039         }
2040
2041
2042         for (bptr = block; bptr != NULL; bptr = bptr->next) {
2043                 show_icmd_block(bptr);
2044         }
2045 }
2046
2047 void
2048 show_icmd_block(basicblock *bptr)
2049 {
2050         int i, j;
2051         int deadcode;
2052         s4  *s4ptr;
2053         instruction *iptr;
2054
2055                 if (bptr->flags != BBDELETED) {
2056                         deadcode = bptr->flags <= BBREACHED;
2057                         printf("[");
2058                         if (deadcode)
2059                                 for (j = method->maxstack; j > 0; j--)
2060                                         printf(" ?  ");
2061                         else
2062                                 icmd_print_stack(bptr->instack);
2063                         printf("] L%03d(%d - %d) flags=%d:\n", bptr->debug_nr, bptr->icount, bptr->pre_count,bptr->flags);
2064                         iptr = bptr->iinstr;
2065
2066                         for (i=0; i < bptr->icount; i++, iptr++) {
2067                                 printf("[");
2068                                 if (deadcode) {
2069                                         for (j = method->maxstack; j > 0; j--)
2070                                                 printf(" ?  ");
2071                                 }
2072                                 else
2073                                         icmd_print_stack(iptr->dst);
2074                                 printf("]     %4d  ", i);
2075                                 /* XXX remove */ /*fflush(stdout);*/
2076                                 show_icmd(iptr,deadcode);
2077                                 printf("\n");
2078                         }
2079
2080                         if (showdisassemble && (!deadcode)) {
2081 #if defined(__I386__) || defined(__X86_64__)
2082                                 u1 *u1ptr;
2083                                 int a;
2084
2085                                 printf("\n");
2086                                 i = bptr->mpc;
2087                                 u1ptr = method->mcode + dseglen + i;
2088
2089                                 if (bptr->next != NULL) {
2090                                         for (; i < bptr->next->mpc; i++, u1ptr++) {
2091                                                 a = disassinstr(u1ptr, i);
2092                                                 i += a;
2093                                                 u1ptr += a;
2094                                         }
2095                                         printf("\n");
2096
2097                                 } else {
2098                                         for (; u1ptr < (u1 *) (method->mcode + method->mcodelength); i++, u1ptr++) {
2099                                                 a = disassinstr(u1ptr, i);
2100                                                 i += a;
2101                                                 u1ptr += a;
2102                                         }
2103                                         printf("\n");
2104                                 }
2105 #else
2106                                 printf("\n");
2107                                 i = bptr->mpc;
2108                                 s4ptr = (s4 *) (method->mcode + dseglen + i);
2109
2110                                 if (bptr->next != NULL) {
2111                                         for (; i < bptr->next->mpc; i += 4, s4ptr++) {
2112                                                 disassinstr(*s4ptr, i);
2113                                     }
2114                                         printf("\n");
2115                             }
2116                                 else {
2117                                         for (; s4ptr < (s4 *) (method->mcode + method->mcodelength); i += 4, s4ptr++) {
2118                                                 disassinstr(*s4ptr, i);
2119                                     }
2120                                         printf("\n");
2121                             }
2122 #endif
2123                     }
2124                 }
2125 }
2126
2127 void
2128 show_icmd(instruction *iptr,bool deadcode)
2129 {
2130         int j;
2131         s4  *s4ptr;
2132         void **tptr;
2133
2134         printf("%s",icmd_names[iptr->opc]);
2135         switch ((int) iptr->opc) {
2136                                 case ICMD_IADDCONST:
2137                                 case ICMD_ISUBCONST:
2138                                 case ICMD_IMULCONST:
2139                                 case ICMD_IDIVPOW2:
2140                                 case ICMD_IREMPOW2:
2141                                 case ICMD_IREM0X10001:
2142                                 case ICMD_IANDCONST:
2143                                 case ICMD_IORCONST:
2144                                 case ICMD_IXORCONST:
2145                                 case ICMD_ISHLCONST:
2146                                 case ICMD_ISHRCONST:
2147                                 case ICMD_IUSHRCONST:
2148                                 case ICMD_LSHLCONST:
2149                                 case ICMD_LSHRCONST:
2150                                 case ICMD_LUSHRCONST:
2151                                 case ICMD_ICONST:
2152                                 case ICMD_ELSE_ICONST:
2153                                 case ICMD_IFEQ_ICONST:
2154                                 case ICMD_IFNE_ICONST:
2155                                 case ICMD_IFLT_ICONST:
2156                                 case ICMD_IFGE_ICONST:
2157                                 case ICMD_IFGT_ICONST:
2158                                 case ICMD_IFLE_ICONST:
2159                                         printf(" %d", iptr->val.i);
2160                                         break;
2161                                 case ICMD_LADDCONST:
2162                                 case ICMD_LSUBCONST:
2163                                 case ICMD_LMULCONST:
2164                                 case ICMD_LDIVPOW2:
2165                                 case ICMD_LREMPOW2:
2166                                 case ICMD_LANDCONST:
2167                                 case ICMD_LORCONST:
2168                                 case ICMD_LXORCONST:
2169                                 case ICMD_LCONST:
2170 #if defined(__I386__)
2171                                         printf(" %lld", iptr->val.l);
2172 #else
2173                                         printf(" %ld", iptr->val.l);
2174 #endif
2175                                         break;
2176                                 case ICMD_FCONST:
2177                                         printf(" %f", iptr->val.f);
2178                                         break;
2179                                 case ICMD_DCONST:
2180                                         printf(" %f", iptr->val.d);
2181                                         break;
2182                                 case ICMD_ACONST:
2183                                         printf(" %p", iptr->val.a);
2184                                         break;
2185                                 case ICMD_GETFIELD:
2186                                 case ICMD_PUTFIELD:
2187                                         printf(" %d,", ((fieldinfo *) iptr->val.a)->offset);
2188                                 case ICMD_PUTSTATIC:
2189                                 case ICMD_GETSTATIC:
2190                                         printf(" ");
2191                                         utf_fprint(stdout,
2192                                                            ((fieldinfo *) iptr->val.a)->class->name);
2193                                         printf(".");
2194                                         utf_fprint(stdout,
2195                                                            ((fieldinfo *) iptr->val.a)->name);
2196                                         printf(" (type ");
2197                                         utf_fprint(stdout,
2198                                                            ((fieldinfo *) iptr->val.a)->descriptor);
2199                                         printf(")");
2200                                         break;
2201                                 case ICMD_IINC:
2202                                         printf(" %d + %d", iptr->op1, iptr->val.i);
2203                                         break;
2204
2205                             case ICMD_IASTORE:
2206                             case ICMD_SASTORE:
2207                             case ICMD_BASTORE:
2208                             case ICMD_CASTORE:
2209                             case ICMD_LASTORE:
2210                             case ICMD_DASTORE:
2211                             case ICMD_FASTORE:
2212                             case ICMD_AASTORE:
2213
2214                             case ICMD_IALOAD:
2215                             case ICMD_SALOAD:
2216                             case ICMD_BALOAD:
2217                             case ICMD_CALOAD:
2218                             case ICMD_LALOAD:
2219                             case ICMD_DALOAD:
2220                             case ICMD_FALOAD:
2221                             case ICMD_AALOAD:
2222                                         if (iptr->op1 != 0)
2223                                                 printf("(opt.)");
2224                                         break;
2225
2226                                 case ICMD_RET:
2227                                 case ICMD_ILOAD:
2228                                 case ICMD_LLOAD:
2229                                 case ICMD_FLOAD:
2230                                 case ICMD_DLOAD:
2231                                 case ICMD_ALOAD:
2232                                 case ICMD_ISTORE:
2233                                 case ICMD_LSTORE:
2234                                 case ICMD_FSTORE:
2235                                 case ICMD_DSTORE:
2236                                 case ICMD_ASTORE:
2237                                         printf(" %d", iptr->op1);
2238                                         break;
2239                                 case ICMD_NEW:
2240                                         printf(" ");
2241                                         utf_fprint(stdout,
2242                                                            ((classinfo *) iptr->val.a)->name);
2243                                         break;
2244                                 case ICMD_NEWARRAY:
2245                                         switch (iptr->op1) {
2246                                         case 4:
2247                                                 printf(" boolean");
2248                                                 break;
2249                                         case 5:
2250                                                 printf(" char");
2251                                                 break;
2252                                         case 6:
2253                                                 printf(" float");
2254                                                 break;
2255                                         case 7:
2256                                                 printf(" double");
2257                                                 break;
2258                                         case 8:
2259                                                 printf(" byte");
2260                                                 break;
2261                                         case 9:
2262                                                 printf(" short");
2263                                                 break;
2264                                         case 10:
2265                                                 printf(" int");
2266                                                 break;
2267                                         case 11:
2268                                                 printf(" long");
2269                                                 break;
2270                                         }
2271                                         break;
2272                                 case ICMD_ANEWARRAY:
2273                                         if (iptr->op1) {
2274                                                 printf(" ");
2275                                                 utf_fprint(stdout,
2276                                                                    ((classinfo *) iptr->val.a)->name);
2277                                         }
2278                                         break;
2279                     case ICMD_MULTIANEWARRAY:
2280                                         {
2281                                                 vftbl *vft;
2282                                                 printf(" %d ",iptr->op1);
2283                                                 vft = (vftbl *)iptr->val.a;
2284                                                 if (vft)
2285                                                         utf_fprint(stdout,vft->class->name);
2286                                                 else
2287                                                         printf("<null>");
2288                                         }
2289                                         break;
2290                                 case ICMD_CHECKCAST:
2291                                 case ICMD_INSTANCEOF:
2292                                         if (iptr->op1) {
2293                                                 classinfo *c = iptr->val.a;
2294                                                 if (c->flags & ACC_INTERFACE)
2295                                                         printf(" (INTERFACE) ");
2296                                                 else
2297                                                         printf(" (CLASS,%3d) ", c->vftbl->diffval);
2298                                                 utf_fprint(stdout, c->name);
2299                                         }
2300                                         break;
2301                                 case ICMD_BUILTIN3:
2302                                 case ICMD_BUILTIN2:
2303                                 case ICMD_BUILTIN1:
2304                                         printf(" %s", icmd_builtin_name((functionptr) iptr->val.a));
2305                                         break;
2306                                 case ICMD_INVOKEVIRTUAL:
2307                                 case ICMD_INVOKESPECIAL:
2308                                 case ICMD_INVOKESTATIC:
2309                                 case ICMD_INVOKEINTERFACE:
2310                                         printf(" ");
2311                                         utf_fprint(stdout,
2312                                                            ((methodinfo *) iptr->val.a)->class->name);
2313                                         printf(".");
2314                                         utf_fprint(stdout,
2315                                                            ((methodinfo *) iptr->val.a)->name);
2316                                         break;
2317                                 case ICMD_IFEQ:
2318                                 case ICMD_IFNE:
2319                                 case ICMD_IFLT:
2320                                 case ICMD_IFGE:
2321                                 case ICMD_IFGT:
2322                                 case ICMD_IFLE:
2323                                         if (deadcode || !iptr->target)
2324                                                 printf("(%d) op1=%d", iptr->val.i, iptr->op1);
2325                                         else
2326                                                 printf("(%d) L%03d", iptr->val.i, ((basicblock *) iptr->target)->debug_nr);
2327                                         break;
2328                                 case ICMD_IF_LEQ:
2329                                 case ICMD_IF_LNE:
2330                                 case ICMD_IF_LLT:
2331                                 case ICMD_IF_LGE:
2332                                 case ICMD_IF_LGT:
2333                                 case ICMD_IF_LLE:
2334                                         if (deadcode || !iptr->target)
2335                                                 printf("(%lld) op1=%d", iptr->val.l, iptr->op1);
2336                                         else
2337                                                 printf("(%lld) L%03d", iptr->val.l, ((basicblock *) iptr->target)->debug_nr);
2338                                         break;
2339                                 case ICMD_JSR:
2340                                 case ICMD_GOTO:
2341                                 case ICMD_IFNULL:
2342                                 case ICMD_IFNONNULL:
2343                                 case ICMD_IF_ICMPEQ:
2344                                 case ICMD_IF_ICMPNE:
2345                                 case ICMD_IF_ICMPLT:
2346                                 case ICMD_IF_ICMPGE:
2347                                 case ICMD_IF_ICMPGT:
2348                                 case ICMD_IF_ICMPLE:
2349                                 case ICMD_IF_LCMPEQ:
2350                                 case ICMD_IF_LCMPNE:
2351                                 case ICMD_IF_LCMPLT:
2352                                 case ICMD_IF_LCMPGE:
2353                                 case ICMD_IF_LCMPGT:
2354                                 case ICMD_IF_LCMPLE:
2355                                 case ICMD_IF_ACMPEQ:
2356                                 case ICMD_IF_ACMPNE:
2357                                         if (deadcode || !iptr->target)
2358                                                 printf(" op1=%d", iptr->op1);
2359                                         else
2360                                                 printf(" L%03d", ((basicblock *) iptr->target)->debug_nr);
2361                                         break;
2362                                 case ICMD_TABLESWITCH:
2363
2364                                         s4ptr = iptr->val.a;
2365
2366                                         if (deadcode || !iptr->target) {
2367                                                 printf(" %d;", *s4ptr);
2368                                         }
2369                                         else {
2370                                                 tptr = (void **) iptr->target;
2371                                                 printf(" L%03d;", ((basicblock *) *tptr)->debug_nr);
2372                                                 tptr++;
2373                                         }
2374
2375                                         s4ptr++;         /* skip default */
2376                                         j = *s4ptr++;                               /* low     */
2377                                         j = *s4ptr++ - j;                           /* high    */
2378                                         while (j >= 0) {
2379                                                 if (deadcode || !*tptr)
2380                                                         printf(" %d", *s4ptr++);
2381                                                 else {
2382                                                         printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
2383                                                         tptr++;
2384                                                 }
2385                                                 j--;
2386                                         }
2387                                         break;
2388                                 case ICMD_LOOKUPSWITCH:
2389                                         s4ptr = iptr->val.a;
2390
2391                                         if (deadcode || !iptr->target) {
2392                                                 printf(" %d;", *s4ptr);
2393                                         }
2394                                         else {
2395                                                 tptr = (void **) iptr->target;
2396                                                 printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
2397                                                 tptr++;
2398                                         }
2399                                         s4ptr++;                                         /* default */
2400                                         j = *s4ptr++;                                    /* count   */
2401
2402                                         while (--j >= 0) {
2403                                                 if (deadcode || !*tptr) {
2404                                                         s4ptr++; /* skip value */
2405                                                         printf(" %d",*s4ptr++);
2406                                                 }
2407                                                 else {
2408                                                         printf(" L%03d", ((basicblock *) *tptr)->debug_nr);
2409                                                         tptr++;
2410                                                 }
2411                                         }
2412                                         break;
2413         }
2414 }
2415
2416 /*
2417  * These are local overrides for various environment variables in Emacs.
2418  * Please do not remove this and leave it at the end of the file, where
2419  * Emacs will automagically detect them.
2420  * ---------------------------------------------------------------------
2421  * Local variables:
2422  * mode: c
2423  * indent-tabs-mode: t
2424  * c-basic-offset: 4
2425  * tab-width: 4
2426  * End:
2427  */