src/vm/jit/jit.c

   1 /* src/vm/jit/jit.c - calls the code generation functions
   2
   3    Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   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., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25    Contact: cacao@cacaojvm.org
  26
  27    Authors: Andreas Krall
  28             Reinhard Grafl
  29
  30    Changes: Edwin Steiner
  31             Christian Thalinger
  32             Christian Ullrich
  33
  34    $Id: jit.c 5343 2006-09-05 21:20:33Z twisti $
  35
  36 */
  37
  38
  39 #include "config.h"
  40 #include "vm/types.h"
  41
  42 #include <assert.h>
  43
  44 #include "mm/memory.h"
  45 #include "native/native.h"
  46 #include "toolbox/logging.h"
  47
  48 #if defined(ENABLE_THREADS)
  49 # include "threads/native/lock.h"
  50 #else
  51 # include "threads/none/lock.h"
  52 #endif
  53
  54 #include "vm/class.h"
  55 #include "vm/global.h"
  56 #include "vm/initialize.h"
  57 #include "vm/loader.h"
  58 #include "vm/method.h"
  59 #include "vm/options.h"
  60 #include "vm/statistics.h"
  61 #include "vm/jit/asmpart.h"
  62
  63 # include "vm/jit/cfg.h"
  64
  65 #include "vm/jit/codegen-common.h"
  66 #include "vm/jit/disass.h"
  67 #include "vm/jit/dseg.h"
  68 #include "vm/jit/jit.h"
  69 #include "vm/jit/parse.h"
  70 #include "vm/jit/reg.h"
  71
  72 # include "vm/jit/reorder.h"
  73
  74 #include "vm/jit/show.h"
  75 #include "vm/jit/stack.h"
  76
  77 #include "vm/jit/allocator/simplereg.h"
  78 #if defined(ENABLE_LSRA) && !defined(ENABLE_SSA)
  79 # include "vm/jit/allocator/lsra.h"
  80 #endif
  81 #if defined(ENABLE_SSA)
  82 # include "vm/jit/optimizing/lsra.h"
  83 # include "vm/jit/optimizing/ssa.h"
  84 #endif
  85
  86
  87 #if defined(ENABLE_IFCONV)
  88 # include "vm/jit/ifconv/ifconv.h"
  89 #endif
  90
  91 #include "vm/jit/loop/analyze.h"
  92 #include "vm/jit/loop/graph.h"
  93 #include "vm/jit/loop/loop.h"
  94 #include "vm/jit/verify/typecheck.h"
  95 #include "vm/rt-timing.h"
  96
  97 #if defined(ENABLE_THREADS)
  98 # include "threads/native/threads.h"
  99 #endif
 100
 101
 102 /* debug macros ***************************************************************/
 103
 104 #if !defined(NDEBUG)
 105 #define DEBUG_JIT_COMPILEVERBOSE(x) \
 106     do { \
 107         if (compileverbose) { \
 108             log_message_method(x, m); \
 109         } \
 110     } while (0)
 111 #else
 112 #define DEBUG_JIT_COMPILEVERBOSE(x)    /* nothing */
 113 #endif
 114
 115
 116 /* global switches ************************************************************/
 117
 118 int stackreq[256] = {
 119         0,    /* JAVA_NOP                         0 */
 120         1,    /* JAVA_ACONST                      1 */
 121         1,    /* JAVA_ICONST_M1                   2 */
 122         1,    /* JAVA_ICONST_0                    3 */
 123         1,    /* JAVA_ICONST_1                    4 */
 124         1,    /* JAVA_ICONST_2                    5 */
 125         1,    /* JAVA_ICONST_3                    6 */
 126         1,    /* JAVA_ICONST_4                    7 */
 127         1,    /* JAVA_ICONST_5                    8 */
 128         1,    /* JAVA_LCONST_0                    9 */
 129         1,    /* JAVA_LCONST_1                   10 */
 130         1,    /* JAVA_FCONST_0                   11 */
 131         1,    /* JAVA_FCONST_1                   12 */
 132         1,    /* JAVA_FCONST_2                   13 */
 133         1,    /* JAVA_DCONST_0                   14 */
 134         1,    /* JAVA_DCONST_1                   15 */
 135         1,    /* JAVA_BIPUSH                     16 */
 136         1,    /* JAVA_SIPUSH                     17 */
 137         1,    /* JAVA_LDC                        18 */
 138         1,    /* JAVA_LDC_W                      19 */
 139         1,    /* JAVA_LDC2_W                     20 */
 140         1,    /* JAVA_ILOAD                      21 */
 141         1,    /* JAVA_LLOAD                      22 */
 142         1,    /* JAVA_FLOAD                      23 */
 143         1,    /* JAVA_DLOAD                      24 */
 144         1,    /* JAVA_ALOAD                      25 */
 145         1,    /* JAVA_ILOAD_0                    26 */
 146         1,    /* JAVA_ILOAD_1                    27 */
 147         1,    /* JAVA_ILOAD_2                    28 */
 148         1,    /* JAVA_ILOAD_3                    29 */
 149         1,    /* JAVA_LLOAD_0                    30 */
 150         1,    /* JAVA_LLOAD_1                    31 */
 151         1,    /* JAVA_LLOAD_2                    32 */
 152         1,    /* JAVA_LLOAD_3                    33 */
 153         1,    /* JAVA_FLOAD_0                    34 */
 154         1,    /* JAVA_FLOAD_1                    35 */
 155         1,    /* JAVA_FLOAD_2                    36 */
 156         1,    /* JAVA_FLOAD_3                    37 */
 157         1,    /* JAVA_DLOAD_0                    38 */
 158         1,    /* JAVA_DLOAD_1                    39 */
 159         1,    /* JAVA_DLOAD_2                    40 */
 160         1,    /* JAVA_DLOAD_3                    41 */
 161         1,    /* JAVA_ALOAD_0                    42 */
 162         1,    /* JAVA_ALOAD_1                    43 */
 163         1,    /* JAVA_ALOAD_2                    44 */
 164         1,    /* JAVA_ALOAD_3                    45 */
 165         1,    /* JAVA_IALOAD                     46 */
 166         1,    /* JAVA_LALOAD                     47 */
 167         1,    /* JAVA_FALOAD                     48 */
 168         1,    /* JAVA_DALOAD                     49 */
 169         1,    /* JAVA_AALOAD                     50 */
 170         1,    /* JAVA_BALOAD                     51 */
 171         1,    /* JAVA_CALOAD                     52 */
 172         1,    /* JAVA_SALOAD                     53 */
 173         0,    /* JAVA_ISTORE                     54 */
 174         0,    /* JAVA_LSTORE                     55 */
 175         0,    /* JAVA_FSTORE                     56 */
 176         0,    /* JAVA_DSTORE                     57 */
 177         0,    /* JAVA_ASTORE                     58 */
 178         0,    /* JAVA_ISTORE_0                   59 */
 179         0,    /* JAVA_ISTORE_1                   60 */
 180         0,    /* JAVA_ISTORE_2                   61 */
 181         0,    /* JAVA_ISTORE_3                   62 */
 182         0,    /* JAVA_LSTORE_0                   63 */
 183         0,    /* JAVA_LSTORE_1                   64 */
 184         0,    /* JAVA_LSTORE_2                   65 */
 185         0,    /* JAVA_LSTORE_3                   66 */
 186         0,    /* JAVA_FSTORE_0                   67 */
 187         0,    /* JAVA_FSTORE_1                   68 */
 188         0,    /* JAVA_FSTORE_2                   69 */
 189         0,    /* JAVA_FSTORE_3                   70 */
 190         0,    /* JAVA_DSTORE_0                   71 */
 191         0,    /* JAVA_DSTORE_1                   72 */
 192         0,    /* JAVA_DSTORE_2                   73 */
 193         0,    /* JAVA_DSTORE_3                   74 */
 194         0,    /* JAVA_ASTORE_0                   75 */
 195         0,    /* JAVA_ASTORE_1                   76 */
 196         0,    /* JAVA_ASTORE_2                   77 */
 197         0,    /* JAVA_ASTORE_3                   78 */
 198         0,    /* JAVA_IASTORE                    79 */
 199         0,    /* JAVA_LASTORE                    80 */
 200         0,    /* JAVA_FASTORE                    81 */
 201         0,    /* JAVA_DASTORE                    82 */
 202         0,    /* JAVA_AASTORE                    83 */
 203         0,    /* JAVA_BASTORE                    84 */
 204         0,    /* JAVA_CASTORE                    85 */
 205         0,    /* JAVA_SASTORE                    86 */
 206         0,    /* JAVA_POP                        87 */
 207         0,    /* JAVA_POP2                       88 */
 208         1,    /* JAVA_DUP                        89 */
 209         3,    /* JAVA_DUP_X1                     90 */
 210         4,    /* JAVA_DUP_X2                     91 */
 211         2,    /* JAVA_DUP2                       92 */
 212         3,    /* JAVA_DUP2_X1                    93 */
 213         4,    /* JAVA_DUP2_X2                    94 */
 214         2,    /* JAVA_SWAP                       95 */
 215         1,    /* JAVA_IADD                       96 */
 216         1,    /* JAVA_LADD                       97 */
 217         1,    /* JAVA_FADD                       98 */
 218         1,    /* JAVA_DADD                       99 */
 219         1,    /* JAVA_ISUB                      100 */
 220         1,    /* JAVA_LSUB                      101 */
 221         1,    /* JAVA_FSUB                      102 */
 222         1,    /* JAVA_DSUB                      103 */
 223         1,    /* JAVA_IMUL                      104 */
 224         1,    /* JAVA_LMUL                      105 */
 225         1,    /* JAVA_FMUL                      106 */
 226         1,    /* JAVA_DMUL                      107 */
 227         1,    /* JAVA_IDIV                      108 */
 228         1,    /* JAVA_LDIV                      109 */
 229         1,    /* JAVA_FDIV                      110 */
 230         1,    /* JAVA_DDIV                      111 */
 231         1,    /* JAVA_IREM                      112 */
 232         1,    /* JAVA_LREM                      113 */
 233         1,    /* JAVA_FREM                      114 */
 234         1,    /* JAVA_DREM                      115 */
 235         1,    /* JAVA_INEG                      116 */
 236         1,    /* JAVA_LNEG                      117 */
 237         1,    /* JAVA_FNEG                      118 */
 238         1,    /* JAVA_DNEG                      119 */
 239         1,    /* JAVA_ISHL                      120 */
 240         1,    /* JAVA_LSHL                      121 */
 241         1,    /* JAVA_ISHR                      122 */
 242         1,    /* JAVA_LSHR                      123 */
 243         1,    /* JAVA_IUSHR                     124 */
 244         1,    /* JAVA_LUSHR                     125 */
 245         1,    /* JAVA_IAND                      126 */
 246         1,    /* JAVA_LAND                      127 */
 247         1,    /* JAVA_IOR                       128 */
 248         1,    /* JAVA_LOR                       129 */
 249         1,    /* JAVA_IXOR                      130 */
 250         1,    /* JAVA_LXOR                      131 */
 251         0,    /* JAVA_IINC                      132 */
 252         1,    /* JAVA_I2L                       133 */
 253         1,    /* JAVA_I2F                       134 */
 254         1,    /* JAVA_I2D                       135 */
 255         1,    /* JAVA_L2I                       136 */
 256         1,    /* JAVA_L2F                       137 */
 257         1,    /* JAVA_L2D                       138 */
 258         1,    /* JAVA_F2I                       139 */
 259         1,    /* JAVA_F2L                       140 */
 260         1,    /* JAVA_F2D                       141 */
 261         1,    /* JAVA_D2I                       142 */
 262         1,    /* JAVA_D2L                       143 */
 263         1,    /* JAVA_D2F                       144 */
 264         1,    /* JAVA_INT2BYTE                  145 */
 265         1,    /* JAVA_INT2CHAR                  146 */
 266         1,    /* JAVA_INT2SHORT                 147 */
 267         1,    /* JAVA_LCMP                      148 */
 268         1,    /* JAVA_FCMPL                     149 */
 269         1,    /* JAVA_FCMPG                     150 */
 270         1,    /* JAVA_DCMPL                     151 */
 271         1,    /* JAVA_DCMPG                     152 */
 272         0,    /* JAVA_IFEQ                      153 */
 273         0,    /* JAVA_IFNE                      154 */
 274         0,    /* JAVA_IFLT                      155 */
 275         0,    /* JAVA_IFGE                      156 */
 276         0,    /* JAVA_IFGT                      157 */
 277         0,    /* JAVA_IFLE                      158 */
 278         0,    /* JAVA_IF_ICMPEQ                 159 */
 279         0,    /* JAVA_IF_ICMPNE                 160 */
 280         0,    /* JAVA_IF_ICMPLT                 161 */
 281         0,    /* JAVA_IF_ICMPGE                 162 */
 282         0,    /* JAVA_IF_ICMPGT                 163 */
 283         0,    /* JAVA_IF_ICMPLE                 164 */
 284         0,    /* JAVA_IF_ACMPEQ                 165 */
 285         0,    /* JAVA_IF_ACMPNE                 166 */
 286         0,    /* JAVA_GOTO                      167 */
 287         1,    /* JAVA_JSR                       168 */
 288         0,    /* JAVA_RET                       169 */
 289         0,    /* JAVA_TABLESWITCH               170 */
 290         0,    /* JAVA_LOOKUPSWITCH              171 */
 291         0,    /* JAVA_IRETURN                   172 */
 292         0,    /* JAVA_LRETURN                   173 */
 293         0,    /* JAVA_FRETURN                   174 */
 294         0,    /* JAVA_DRETURN                   175 */
 295         0,    /* JAVA_ARETURN                   176 */
 296         0,    /* JAVA_RETURN                    177 */
 297         1,    /* JAVA_GETSTATIC                 178 */
 298         0,    /* JAVA_PUTSTATIC                 179 */
 299         1,    /* JAVA_GETFIELD                  180 */
 300         0,    /* JAVA_PUTFIELD                  181 */
 301         1,    /* JAVA_INVOKEVIRTUAL             182 */
 302         1,    /* JAVA_INVOKESPECIAL             183 */
 303         1,    /* JAVA_INVOKESTATIC              184 */
 304         1,    /* JAVA_INVOKEINTERFACE           185 */
 305         1,    /* JAVA_UNDEF186                  186 */
 306         1,    /* JAVA_NEW                       187 */
 307         1,    /* JAVA_NEWARRAY                  188 */
 308         1,    /* JAVA_ANEWARRAY                 189 */
 309         1,    /* JAVA_ARRAYLENGTH               190 */
 310         1,    /* JAVA_ATHROW                    191 */
 311         1,    /* JAVA_CHECKCAST                 192 */
 312         1,    /* JAVA_INSTANCEOF                193 */
 313         0,    /* JAVA_MONITORENTER              194 */
 314         0,    /* JAVA_MONITOREXIT               195 */
 315         0,    /* JAVA_WIDE                      196 */
 316         1,    /* JAVA_MULTIANEWARRAY            197 */
 317         0,    /* JAVA_IFNULL                    198 */
 318         0,    /* JAVA_IFNONNULL                 199 */
 319         0,    /* JAVA_GOTO_W                    200 */
 320         1,    /* JAVA_JSR_W                     201 */
 321         0,    /* JAVA_BREAKPOINT                202 */
 322         1,    /* JAVA_UNDEF203                  203 */
 323         1,    /* JAVA_UNDEF204                  204 */
 324         1,    /* JAVA_UNDEF205                  205 */
 325         1,    /* JAVA_UNDEF206                  206 */
 326         1,    /* JAVA_UNDEF207                  207 */
 327         1,    /* JAVA_UNDEF208                  208 */
 328         1,    /* JAVA_UNDEF209                  209 */
 329         1,    /* JAVA_UNDEF210                  210 */
 330         1,    /* JAVA_UNDEF211                  211 */
 331         1,    /* JAVA_UNDEF212                  212 */
 332         1,    /* JAVA_UNDEF213                  213 */
 333         1,    /* JAVA_UNDEF214                  214 */
 334         1,    /* JAVA_UNDEF215                  215 */
 335         1,    /* JAVA_UNDEF216                  216 */
 336         1,    /* JAVA_UNDEF217                  217 */
 337         1,    /* JAVA_UNDEF218                  218 */
 338         1,    /* JAVA_UNDEF219                  219 */
 339         1,    /* JAVA_UNDEF220                  220 */
 340         1,    /* JAVA_UNDEF221                  221 */
 341         1,    /* JAVA_UNDEF222                  222 */
 342         1,    /* JAVA_UNDEF223                  223 */
 343         1,    /* JAVA_UNDEF224                  224 */
 344         1,    /* JAVA_UNDEF225                  225 */
 345         1,    /* JAVA_UNDEF226                  226 */
 346         1,    /* JAVA_UNDEF227                  227 */
 347         1,    /* JAVA_UNDEF228                  228 */
 348         1,    /* JAVA_UNDEF229                  229 */
 349         1,    /* JAVA_UNDEF230                  230 */
 350         1,    /* JAVA_UNDEF231                  231 */
 351         1,    /* JAVA_UNDEF232                  232 */
 352         1,    /* JAVA_UNDEF233                  233 */
 353         1,    /* JAVA_UNDEF234                  234 */
 354         1,    /* JAVA_UNDEF235                  235 */
 355         1,    /* JAVA_UNDEF236                  236 */
 356         1,    /* JAVA_UNDEF237                  237 */
 357         1,    /* JAVA_UNDEF238                  238 */
 358         1,    /* JAVA_UNDEF239                  239 */
 359         1,    /* JAVA_UNDEF240                  240 */
 360         1,    /* JAVA_UNDEF241                  241 */
 361         1,    /* JAVA_UNDEF242                  242 */
 362         1,    /* JAVA_UNDEF243                  243 */
 363         1,    /* JAVA_UNDEF244                  244 */
 364         1,    /* JAVA_UNDEF245                  245 */
 365         1,    /* JAVA_UNDEF246                  246 */
 366         1,    /* JAVA_UNDEF247                  247 */
 367         1,    /* JAVA_UNDEF248                  248 */
 368         1,    /* JAVA_UNDEF249                  249 */
 369         1,    /* JAVA_UNDEF250                  250 */
 370         1,    /* JAVA_UNDEF251                  251 */
 371         1,    /* JAVA_UNDEF252                  252 */
 372         1,    /* JAVA_UNDEF253                  253 */
 373         1,    /* JAVA_UNDEF254                  254 */
 374         1,    /* JAVA_UNDEF255                  255 */
 375 };
 376
 377
 378 int jcommandsize[256] = {
 379
 380         1,    /* JAVA_NOP                         0 */
 381         1,    /* JAVA_ACONST_NULL                 1 */
 382         1,    /* JAVA_ICONST_M1                   2 */
 383         1,    /* JAVA_ICONST_0                    3 */
 384         1,    /* JAVA_ICONST_1                    4 */
 385         1,    /* JAVA_ICONST_2                    5 */
 386         1,    /* JAVA_ICONST_3                    6 */
 387         1,    /* JAVA_ICONST_4                    7 */
 388         1,    /* JAVA_ICONST_5                    8 */
 389         1,    /* JAVA_LCONST_0                    9 */
 390         1,    /* JAVA_LCONST_1                   10 */
 391         1,    /* JAVA_FCONST_0                   11 */
 392         1,    /* JAVA_FCONST_1                   12 */
 393         1,    /* JAVA_FCONST_2                   13 */
 394         1,    /* JAVA_DCONST_0                   14 */
 395         1,    /* JAVA_DCONST_1                   15 */
 396         2,    /* JAVA_BIPUSH                     16 */
 397         3,    /* JAVA_SIPUSH                     17 */
 398         2,    /* JAVA_LDC1                       18 */
 399         3,    /* JAVA_LDC2                       19 */
 400         3,    /* JAVA_LDC2W                      20 */
 401         2,    /* JAVA_ILOAD                      21 */
 402         2,    /* JAVA_LLOAD                      22 */
 403         2,    /* JAVA_FLOAD                      23 */
 404         2,    /* JAVA_DLOAD                      24 */
 405         2,    /* JAVA_ALOAD                      25 */
 406         1,    /* JAVA_ILOAD_0                    26 */
 407         1,    /* JAVA_ILOAD_1                    27 */
 408         1,    /* JAVA_ILOAD_2                    28 */
 409         1,    /* JAVA_ILOAD_3                    29 */
 410         1,    /* JAVA_LLOAD_0                    30 */
 411         1,    /* JAVA_LLOAD_1                    31 */
 412         1,    /* JAVA_LLOAD_2                    32 */
 413         1,    /* JAVA_LLOAD_3                    33 */
 414         1,    /* JAVA_FLOAD_0                    34 */
 415         1,    /* JAVA_FLOAD_1                    35 */
 416         1,    /* JAVA_FLOAD_2                    36 */
 417         1,    /* JAVA_FLOAD_3                    37 */
 418         1,    /* JAVA_DLOAD_0                    38 */
 419         1,    /* JAVA_DLOAD_1                    39 */
 420         1,    /* JAVA_DLOAD_2                    40 */
 421         1,    /* JAVA_DLOAD_3                    41 */
 422         1,    /* JAVA_ALOAD_0                    42 */
 423         1,    /* JAVA_ALOAD_1                    43 */
 424         1,    /* JAVA_ALOAD_2                    44 */
 425         1,    /* JAVA_ALOAD_3                    45 */
 426         1,    /* JAVA_IALOAD                     46 */
 427         1,    /* JAVA_LALOAD                     47 */
 428         1,    /* JAVA_FALOAD                     48 */
 429         1,    /* JAVA_DALOAD                     49 */
 430         1,    /* JAVA_AALOAD                     50 */
 431         1,    /* JAVA_BALOAD                     51 */
 432         1,    /* JAVA_CALOAD                     52 */
 433         1,    /* JAVA_SALOAD                     53 */
 434         2,    /* JAVA_ISTORE                     54 */
 435         2,    /* JAVA_LSTORE                     55 */
 436         2,    /* JAVA_FSTORE                     56 */
 437         2,    /* JAVA_DSTORE                     57 */
 438         2,    /* JAVA_ASTORE                     58 */
 439         1,    /* JAVA_ISTORE_0                   59 */
 440         1,    /* JAVA_ISTORE_1                   60 */
 441         1,    /* JAVA_ISTORE_2                   61 */
 442         1,    /* JAVA_ISTORE_3                   62 */
 443         1,    /* JAVA_LSTORE_0                   63 */
 444         1,    /* JAVA_LSTORE_1                   64 */
 445         1,    /* JAVA_LSTORE_2                   65 */
 446         1,    /* JAVA_LSTORE_3                   66 */
 447         1,    /* JAVA_FSTORE_0                   67 */
 448         1,    /* JAVA_FSTORE_1                   68 */
 449         1,    /* JAVA_FSTORE_2                   69 */
 450         1,    /* JAVA_FSTORE_3                   70 */
 451         1,    /* JAVA_DSTORE_0                   71 */
 452         1,    /* JAVA_DSTORE_1                   72 */
 453         1,    /* JAVA_DSTORE_2                   73 */
 454         1,    /* JAVA_DSTORE_3                   74 */
 455         1,    /* JAVA_ASTORE_0                   75 */
 456         1,    /* JAVA_ASTORE_1                   76 */
 457         1,    /* JAVA_ASTORE_2                   77 */
 458         1,    /* JAVA_ASTORE_3                   78 */
 459         1,    /* JAVA_IASTORE                    79 */
 460         1,    /* JAVA_LASTORE                    80 */
 461         1,    /* JAVA_FASTORE                    81 */
 462         1,    /* JAVA_DASTORE                    82 */
 463         1,    /* JAVA_AASTORE                    83 */
 464         1,    /* JAVA_BASTORE                    84 */
 465         1,    /* JAVA_CASTORE                    85 */
 466         1,    /* JAVA_SASTORE                    86 */
 467         1,    /* JAVA_POP                        87 */
 468         1,    /* JAVA_POP2                       88 */
 469         1,    /* JAVA_DUP                        89 */
 470         1,    /* JAVA_DUP_X1                     90 */
 471         1,    /* JAVA_DUP_X2                     91 */
 472         1,    /* JAVA_DUP2                       92 */
 473         1,    /* JAVA_DUP2_X1                    93 */
 474         1,    /* JAVA_DUP2_X2                    94 */
 475         1,    /* JAVA_SWAP                       95 */
 476         1,    /* JAVA_IADD                       96 */
 477         1,    /* JAVA_LADD                       97 */
 478         1,    /* JAVA_FADD                       98 */
 479         1,    /* JAVA_DADD                       99 */
 480         1,    /* JAVA_ISUB                      100 */
 481         1,    /* JAVA_LSUB                      101 */
 482         1,    /* JAVA_FSUB                      102 */
 483         1,    /* JAVA_DSUB                      103 */
 484         1,    /* JAVA_IMUL                      104 */
 485         1,    /* JAVA_LMUL                      105 */
 486         1,    /* JAVA_FMUL                      106 */
 487         1,    /* JAVA_DMUL                      107 */
 488         1,    /* JAVA_IDIV                      108 */
 489         1,    /* JAVA_LDIV                      109 */
 490         1,    /* JAVA_FDIV                      110 */
 491         1,    /* JAVA_DDIV                      111 */
 492         1,    /* JAVA_IREM                      112 */
 493         1,    /* JAVA_LREM                      113 */
 494         1,    /* JAVA_FREM                      114 */
 495         1,    /* JAVA_DREM                      115 */
 496         1,    /* JAVA_INEG                      116 */
 497         1,    /* JAVA_LNEG                      117 */
 498         1,    /* JAVA_FNEG                      118 */
 499         1,    /* JAVA_DNEG                      119 */
 500         1,    /* JAVA_ISHL                      120 */
 501         1,    /* JAVA_LSHL                      121 */
 502         1,    /* JAVA_ISHR                      122 */
 503         1,    /* JAVA_LSHR                      123 */
 504         1,    /* JAVA_IUSHR                     124 */
 505         1,    /* JAVA_LUSHR                     125 */
 506         1,    /* JAVA_IAND                      126 */
 507         1,    /* JAVA_LAND                      127 */
 508         1,    /* JAVA_IOR                       128 */
 509         1,    /* JAVA_LOR                       129 */
 510         1,    /* JAVA_IXOR                      130 */
 511         1,    /* JAVA_LXOR                      131 */
 512         3,    /* JAVA_IINC                      132 */
 513         1,    /* JAVA_I2L                       133 */
 514         1,    /* JAVA_I2F                       134 */
 515         1,    /* JAVA_I2D                       135 */
 516         1,    /* JAVA_L2I                       136 */
 517         1,    /* JAVA_L2F                       137 */
 518         1,    /* JAVA_L2D                       138 */
 519         1,    /* JAVA_F2I                       139 */
 520         1,    /* JAVA_F2L                       140 */
 521         1,    /* JAVA_F2D                       141 */
 522         1,    /* JAVA_D2I                       142 */
 523         1,    /* JAVA_D2L                       143 */
 524         1,    /* JAVA_D2F                       144 */
 525         1,    /* JAVA_INT2BYTE                  145 */
 526         1,    /* JAVA_INT2CHAR                  146 */
 527         1,    /* JAVA_INT2SHORT                 147 */
 528         1,    /* JAVA_LCMP                      148 */
 529         1,    /* JAVA_FCMPL                     149 */
 530         1,    /* JAVA_FCMPG                     150 */
 531         1,    /* JAVA_DCMPL                     151 */
 532         1,    /* JAVA_DCMPG                     152 */
 533         3,    /* JAVA_IFEQ                      153 */
 534         3,    /* JAVA_IFNE                      154 */
 535         3,    /* JAVA_IFLT                      155 */
 536         3,    /* JAVA_IFGE                      156 */
 537         3,    /* JAVA_IFGT                      157 */
 538         3,    /* JAVA_IFLE                      158 */
 539         3,    /* JAVA_IF_ICMPEQ                 159 */
 540         3,    /* JAVA_IF_ICMPNE                 160 */
 541         3,    /* JAVA_IF_ICMPLT                 161 */
 542         3,    /* JAVA_IF_ICMPGE                 162 */
 543         3,    /* JAVA_IF_ICMPGT                 163 */
 544         3,    /* JAVA_IF_ICMPLE                 164 */
 545         3,    /* JAVA_IF_ACMPEQ                 165 */
 546         3,    /* JAVA_IF_ACMPNE                 166 */
 547         3,    /* JAVA_GOTO                      167 */
 548         3,    /* JAVA_JSR                       168 */
 549         2,    /* JAVA_RET                       169 */
 550         0,    /* JAVA_TABLESWITCH               170 */ /* variable length */
 551         0,    /* JAVA_LOOKUPSWITCH              171 */ /* variable length */
 552         1,    /* JAVA_IRETURN                   172 */
 553         1,    /* JAVA_LRETURN                   173 */
 554         1,    /* JAVA_FRETURN                   174 */
 555         1,    /* JAVA_DRETURN                   175 */
 556         1,    /* JAVA_ARETURN                   176 */
 557         1,    /* JAVA_RETURN                    177 */
 558         3,    /* JAVA_GETSTATIC                 178 */
 559         3,    /* JAVA_PUTSTATIC                 179 */
 560         3,    /* JAVA_GETFIELD                  180 */
 561         3,    /* JAVA_PUTFIELD                  181 */
 562         3,    /* JAVA_INVOKEVIRTUAL             182 */
 563         3,    /* JAVA_INVOKESPECIAL             183 */
 564         3,    /* JAVA_INVOKESTATIC              184 */
 565         5,    /* JAVA_INVOKEINTERFACE           185 */
 566         1,    /* UNDEF186 */
 567         3,    /* JAVA_NEW                       187 */
 568         2,    /* JAVA_NEWARRAY                  188 */
 569         3,    /* JAVA_ANEWARRAY                 189 */
 570         1,    /* JAVA_ARRAYLENGTH               190 */
 571         1,    /* JAVA_ATHROW                    191 */
 572         3,    /* JAVA_CHECKCAST                 192 */
 573         3,    /* JAVA_INSTANCEOF                193 */
 574         1,    /* JAVA_MONITORENTER              194 */
 575         1,    /* JAVA_MONITOREXIT               195 */
 576         0,    /* JAVA_WIDE                      196 */ /* variable length */
 577         4,    /* JAVA_MULTIANEWARRAY            197 */
 578         3,    /* JAVA_IFNULL                    198 */
 579         3,    /* JAVA_IFNONNULL                 199 */
 580         5,    /* JAVA_GOTO_W                    200 */
 581         5,    /* JAVA_JSR_W                     201 */
 582         1,    /* JAVA_BREAKPOINT                202 */
 583
 584         1,    /* UNDEF203 */
 585         1,
 586         1,
 587         1,
 588         1,
 589         1,
 590         1,
 591         1,    /* UNDEF210 */
 592         1,
 593         1,
 594         1,
 595         1,
 596         1,
 597         1,
 598         1,
 599         1,
 600         1,
 601         1,    /* UNDEF220 */
 602         1,
 603         1,
 604         1,
 605         1,
 606         1,
 607         1,
 608         1,
 609         1,
 610         1,
 611         1,    /* UNDEF230 */
 612         1,
 613         1,
 614         1,
 615         1,
 616
 617         /* unused */
 618                 1,1,1,1,1,1,
 619         1,1,1,1,1,1,1,1,1,1,
 620         1,1,1,1,1
 621 };
 622
 623
 624 char *icmd_names[256] = {
 625         "NOP            ", /*               0 */
 626         "ACONST         ", /*               1 */
 627         "CHECKNULL      ", /* ICONST_M1     2 */
 628         "ICONST         ", /*               3 */
 629         "CHECKNULL_POP  ", /* ICONST_1      4 */
 630         "IDIVPOW2       ", /* ICONST_2      5 */
 631         "LDIVPOW2       ", /* ICONST_3      6 */
 632         "UNDEF7         ", /* ICONST_4      7 */
 633         "UNDEF8         ", /* ICONST_5      8 */
 634         "LCONST         ", /*               9 */
 635         "LCMPCONST      ", /* LCONST_1     10 */
 636         "FCONST         ", /*              11 */
 637         "UNDEF12        ", /* FCONST_1     12 */
 638         "UNDEF13        ", /* FCONST_2     13 */
 639         "DCONST         ", /*              14 */
 640         "UNDEF15        ", /* DCONST_1     15 */
 641         "UNDEF16        ", /* BIPUSH       16 */
 642         "UNDEF17        ", /* SIPUSH       17 */
 643         "UNDEF18        ", /* LDC1         18 */
 644         "UNDEF19        ", /* LDC2         19 */
 645         "UNDEF20        ", /* LDC2W        20 */
 646         "ILOAD          ", /*              21 */
 647         "LLOAD          ", /*              22 */
 648         "FLOAD          ", /*              23 */
 649         "DLOAD          ", /*              24 */
 650         "ALOAD          ", /*              25 */
 651         "IADDCONST      ", /* ILOAD_0      26 */
 652         "ISUBCONST      ", /* ILOAD_1      27 */
 653         "IMULCONST      ", /* ILOAD_2      28 */
 654         "IANDCONST      ", /* ILOAD_3      29 */
 655         "IORCONST       ", /* LLOAD_0      30 */
 656         "IXORCONST      ", /* LLOAD_1      31 */
 657         "ISHLCONST      ", /* LLOAD_2      32 */
 658         "ISHRCONST      ", /* LLOAD_3      33 */
 659         "IUSHRCONST     ", /* FLOAD_0      34 */
 660         "IREMPOW2       ", /* FLOAD_1      35 */
 661         "LADDCONST      ", /* FLOAD_2      36 */
 662         "LSUBCONST      ", /* FLOAD_3      37 */
 663         "LMULCONST      ", /* DLOAD_0      38 */
 664         "LANDCONST      ", /* DLOAD_1      39 */
 665         "LORCONST       ", /* DLOAD_2      40 */
 666         "LXORCONST      ", /* DLOAD_3      41 */
 667         "LSHLCONST      ", /* ALOAD_0      42 */
 668         "LSHRCONST      ", /* ALOAD_1      43 */
 669         "LUSHRCONST     ", /* ALOAD_2      44 */
 670         "LREMPOW2       ", /* ALOAD_3      45 */
 671         "IALOAD         ", /*              46 */
 672         "LALOAD         ", /*              47 */
 673         "FALOAD         ", /*              48 */
 674         "DALOAD         ", /*              49 */
 675         "AALOAD         ", /*              50 */
 676         "BALOAD         ", /*              51 */
 677         "CALOAD         ", /*              52 */
 678         "SALOAD         ", /*              53 */
 679         "ISTORE         ", /*              54 */
 680         "LSTORE         ", /*              55 */
 681         "FSTORE         ", /*              56 */
 682         "DSTORE         ", /*              57 */
 683         "ASTORE         ", /*              58 */
 684         "IF_LEQ         ", /* ISTORE_0     59 */
 685         "IF_LNE         ", /* ISTORE_1     60 */
 686         "IF_LLT         ", /* ISTORE_2     61 */
 687         "IF_LGE         ", /* ISTORE_3     62 */
 688         "IF_LGT         ", /* LSTORE_0     63 */
 689         "IF_LLE         ", /* LSTORE_1     64 */
 690         "IF_LCMPEQ      ", /* LSTORE_2     65 */
 691         "IF_LCMPNE      ", /* LSTORE_3     66 */
 692         "IF_LCMPLT      ", /* FSTORE_0     67 */
 693         "IF_LCMPGE      ", /* FSTORE_1     68 */
 694         "IF_LCMPGT      ", /* FSTORE_2     69 */
 695         "IF_LCMPLE      ", /* FSTORE_3     70 */
 696         "UNDEF71        ", /* DSTORE_0     71 */
 697         "UNDEF72        ", /* DSTORE_1     72 */
 698         "UNDEF73        ", /* DSTORE_2     73 */
 699         "UNDEF74        ", /* DSTORE_3     74 */
 700         "UNDEF75        ", /* ASTORE_0     75 */
 701         "UNDEF76        ", /* ASTORE_1     76 */
 702         "UNDEF77        ", /* ASTORE_2     77 */
 703         "UNDEF78        ", /* ASTORE_3     78 */
 704         "IASTORE        ", /*              79 */
 705         "LASTORE        ", /*              80 */
 706         "FASTORE        ", /*              81 */
 707         "DASTORE        ", /*              82 */
 708         "AASTORE        ", /*              83 */
 709         "BASTORE        ", /*              84 */
 710         "CASTORE        ", /*              85 */
 711         "SASTORE        ", /*              86 */
 712         "POP            ", /*              87 */
 713         "POP2           ", /*              88 */
 714         "DUP            ", /*              89 */
 715         "DUP_X1         ", /*              90 */
 716         "DUP_X2         ", /*              91 */
 717         "DUP2           ", /*              92 */
 718         "DUP2_X1        ", /*              93 */
 719         "DUP2_X2        ", /*              94 */
 720         "SWAP           ", /*              95 */
 721         "IADD           ", /*              96 */
 722         "LADD           ", /*              97 */
 723         "FADD           ", /*              98 */
 724         "DADD           ", /*              99 */
 725         "ISUB           ", /*             100 */
 726         "LSUB           ", /*             101 */
 727         "FSUB           ", /*             102 */
 728         "DSUB           ", /*             103 */
 729         "IMUL           ", /*             104 */
 730         "LMUL           ", /*             105 */
 731         "FMUL           ", /*             106 */
 732         "DMUL           ", /*             107 */
 733         "IDIV           ", /*             108 */
 734         "LDIV           ", /*             109 */
 735         "FDIV           ", /*             110 */
 736         "DDIV           ", /*             111 */
 737         "IREM           ", /*             112 */
 738         "LREM           ", /*             113 */
 739         "FREM           ", /*             114 */
 740         "DREM           ", /*             115 */
 741         "INEG           ", /*             116 */
 742         "LNEG           ", /*             117 */
 743         "FNEG           ", /*             118 */
 744         "DNEG           ", /*             119 */
 745         "ISHL           ", /*             120 */
 746         "LSHL           ", /*             121 */
 747         "ISHR           ", /*             122 */
 748         "LSHR           ", /*             123 */
 749         "IUSHR          ", /*             124 */
 750         "LUSHR          ", /*             125 */
 751         "IAND           ", /*             126 */
 752         "LAND           ", /*             127 */
 753         "IOR            ", /*             128 */
 754         "LOR            ", /*             129 */
 755         "IXOR           ", /*             130 */
 756         "LXOR           ", /*             131 */
 757         "IINC           ", /*             132 */
 758         "I2L            ", /*             133 */
 759         "I2F            ", /*             134 */
 760         "I2D            ", /*             135 */
 761         "L2I            ", /*             136 */
 762         "L2F            ", /*             137 */
 763         "L2D            ", /*             138 */
 764         "F2I            ", /*             139 */
 765         "F2L            ", /*             140 */
 766         "F2D            ", /*             141 */
 767         "D2I            ", /*             142 */
 768         "D2L            ", /*             143 */
 769         "D2F            ", /*             144 */
 770         "INT2BYTE       ", /*             145 */
 771         "INT2CHAR       ", /*             146 */
 772         "INT2SHORT      ", /*             147 */
 773         "LCMP           ", /*             148 */
 774         "FCMPL          ", /*             149 */
 775         "FCMPG          ", /*             150 */
 776         "DCMPL          ", /*             151 */
 777         "DCMPG          ", /*             152 */
 778         "IFEQ           ", /*             153 */
 779         "IFNE           ", /*             154 */
 780         "IFLT           ", /*             155 */
 781         "IFGE           ", /*             156 */
 782         "IFGT           ", /*             157 */
 783         "IFLE           ", /*             158 */
 784         "IF_ICMPEQ      ", /*             159 */
 785         "IF_ICMPNE      ", /*             160 */
 786         "IF_ICMPLT      ", /*             161 */
 787         "IF_ICMPGE      ", /*             162 */
 788         "IF_ICMPGT      ", /*             163 */
 789         "IF_ICMPLE      ", /*             164 */
 790         "IF_ACMPEQ      ", /*             165 */
 791         "IF_ACMPNE      ", /*             166 */
 792         "GOTO           ", /*             167 */
 793         "JSR            ", /*             168 */
 794         "RET            ", /*             169 */
 795         "TABLESWITCH    ", /*             170 */
 796         "LOOKUPSWITCH   ", /*             171 */
 797         "IRETURN        ", /*             172 */
 798         "LRETURN        ", /*             173 */
 799         "FRETURN        ", /*             174 */
 800         "DRETURN        ", /*             175 */
 801         "ARETURN        ", /*             176 */
 802         "RETURN         ", /*             177 */
 803         "GETSTATIC      ", /*             178 */
 804         "PUTSTATIC      ", /*             179 */
 805         "GETFIELD       ", /*             180 */
 806         "PUTFIELD       ", /*             181 */
 807         "INVOKEVIRTUAL  ", /*             182 */
 808         "INVOKESPECIAL  ", /*             183 */
 809         "INVOKESTATIC   ", /*             184 */
 810         "INVOKEINTERFACE", /*             185 */
 811         "UNDEF186       ", /* UNDEF186    186 */
 812         "NEW            ", /*             187 */
 813         "NEWARRAY       ", /*             188 */
 814         "ANEWARRAY      ", /*             189 */
 815         "ARRAYLENGTH    ", /*             190 */
 816         "ATHROW         ", /*             191 */
 817         "CHECKCAST      ", /*             192 */
 818         "INSTANCEOF     ", /*             193 */
 819         "MONITORENTER   ", /*             194 */
 820         "MONITOREXIT    ", /*             195 */
 821         "UNDEF196       ", /* WIDE        196 */
 822         "MULTIANEWARRAY ", /*             197 */
 823         "IFNULL         ", /*             198 */
 824         "IFNONNULL      ", /*             199 */
 825         "UNDEF200       ", /* GOTO_W      200 */
 826         "UNDEF201       ", /* JSR_W       201 */
 827         "UNDEF202       ", /* BREAKPOINT  202 */
 828         "UNDEF203       ", /* UNDEF203    203 */
 829         "IASTORECONST   ", /*             204 */
 830         "LASTORECONST   ", /*             205 */
 831         "FASTORECONST   ", /*             206 */
 832         "DASTORECONST   ", /*             207 */
 833         "AASTORECONST   ", /*             208 */
 834         "BASTORECONST   ", /*             209 */
 835         "CASTORECONST   ", /*             210 */
 836         "SASTORECONST   ", /*             211 */
 837         "PUTSTATICCONST ", /*             212 */
 838         "PUTFIELDCONST  ", /*             213 */
 839         "IMULPOW2       ", /*             214 */
 840         "LMULPOW2       ", /*             215 */
 841
 842         "IF_FCMPEQ      ", /*             216 */
 843         "IF_FCMPNE      ", /*             217 */
 844
 845         "IF_FCMPL_LT    ", /*             218 */
 846         "IF_FCMPL_GE    ", /*             219 */
 847         "IF_FCMPL_GT    ", /*             220 */
 848         "IF_FCMPL_LE    ", /*             221 */
 849
 850         "IF_FCMPG_LT    ", /*             222 */
 851         "IF_FCMPG_GE    ", /*             223 */
 852         "IF_FCMPG_GT    ", /*             224 */
 853         "IF_FCMPG_LE    ", /*             225 */
 854
 855         "IF_DCMPEQ      ", /*             226 */
 856         "IF_DCMPNE      ", /*             227 */
 857
 858         "IF_DCMPL_LT    ", /*             228 */
 859         "IF_DCMPL_GE    ", /*             229 */
 860         "IF_DCMPL_GT    ", /*             230 */
 861         "IF_DCMPL_LE    ", /*             231 */
 862
 863         "IF_DCMPG_LT    ", /*             232 */
 864         "IF_DCMPG_GE    ", /*             233 */
 865         "IF_DCMPG_GT    ", /*             234 */
 866         "IF_DCMPG_LE    ", /*             235 */
 867
 868         "UNDEF236", "UNDEF237", "UNDEF238", "UNDEF239", "UNDEF240",
 869         "UNDEF241", "UNDEF242", "UNDEF243", "UNDEF244", "UNDEF245",
 870         "UNDEF246", "UNDEF247", "UNDEF248", "UNDEF249", "UNDEF250",
 871
 872         "INLINE_START   ", /*             251 */
 873         "INLINE_END     ", /*             252 */
 874         "INLINE_GOTO    ", /*             253 */
 875
 876         "UNDEF254",
 877
 878         "BUILTIN        "  /*             255 */
 879 };
 880
 881
 882 char *opcode_names[256] = {
 883         "NOP            ", /*               0 */
 884         "ACONST         ", /*               1 */
 885         "ICONST_M1      ", /* ICONST_M1     2 */
 886         "ICONST_0       ", /* ICONST_0      3 */
 887         "ICONST_1       ", /* ICONST_1      4 */
 888         "ICONST_2       ", /* ICONST_2      5 */
 889         "ICONST_3       ", /* ICONST_3      6 */
 890         "ICONST_4       ", /* ICONST_4      7 */
 891         "ICONST_5       ", /* ICONST_5      8 */
 892         "LCONST_0       ", /* LCONST_0      9 */
 893         "LCONST_1       ", /* LCONST_1     10 */
 894         "FCONST_0       ", /* FCONST_0     11 */
 895         "FCONST_1       ", /* FCONST_1     12 */
 896         "FCONST_2       ", /* FCONST_2     13 */
 897         "DCONST_0       ", /* DCONST_0     14 */
 898         "DCONST_1       ", /* DCONST_1     15 */
 899         "BIPUSH         ", /* BIPUSH       16 */
 900         "SIPUSH         ", /* SIPUSH       17 */
 901         "LDC            ", /* LDC          18 */
 902         "LDC_W          ", /* LDC_W        19 */
 903         "LDC2_W         ", /* LDC2_W       20 */
 904         "ILOAD          ", /*              21 */
 905         "LLOAD          ", /*              22 */
 906         "FLOAD          ", /*              23 */
 907         "DLOAD          ", /*              24 */
 908         "ALOAD          ", /*              25 */
 909         "ILOAD_0        ", /* ILOAD_0      26 */
 910         "ILOAD_1        ", /* ILOAD_1      27 */
 911         "ILOAD_2        ", /* ILOAD_2      28 */
 912         "ILOAD_3        ", /* ILOAD_3      29 */
 913         "LLOAD_0        ", /* LLOAD_0      30 */
 914         "LLOAD_1        ", /* LLOAD_1      31 */
 915         "LLOAD_2        ", /* LLOAD_2      32 */
 916         "LLOAD_3        ", /* LLOAD_3      33 */
 917         "FLOAD_0        ", /* FLOAD_0      34 */
 918         "FLOAD_1        ", /* FLOAD_1      35 */
 919         "FLOAD_2        ", /* FLOAD_2      36 */
 920         "FLOAD_3        ", /* FLOAD_3      37 */
 921         "DLOAD_0        ", /* DLOAD_0      38 */
 922         "DLOAD_1        ", /* DLOAD_1      39 */
 923         "DLOAD_2        ", /* DLOAD_2      40 */
 924         "DLOAD_3        ", /* DLOAD_3      41 */
 925         "ALOAD_0        ", /* ALOAD_0      42 */
 926         "ALOAD_1        ", /* ALOAD_1      43 */
 927         "ALOAD_2        ", /* ALOAD_2      44 */
 928         "ALOAD_3        ", /* ALOAD_3      45 */
 929         "IALOAD         ", /*              46 */
 930         "LALOAD         ", /*              47 */
 931         "FALOAD         ", /*              48 */
 932         "DALOAD         ", /*              49 */
 933         "AALOAD         ", /*              50 */
 934         "BALOAD         ", /*              51 */
 935         "CALOAD         ", /*              52 */
 936         "SALOAD         ", /*              53 */
 937         "ISTORE         ", /*              54 */
 938         "LSTORE         ", /*              55 */
 939         "FSTORE         ", /*              56 */
 940         "DSTORE         ", /*              57 */
 941         "ASTORE         ", /*              58 */
 942         "ISTORE_0       ", /* ISTORE_0     59 */
 943         "ISTORE_1       ", /* ISTORE_1     60 */
 944         "ISTORE_2       ", /* ISTORE_2     61 */
 945         "ISTORE_3       ", /* ISTORE_3     62 */
 946         "LSTORE_0       ", /* LSTORE_0     63 */
 947         "LSTORE_1       ", /* LSTORE_1     64 */
 948         "LSTORE_2       ", /* LSTORE_2     65 */
 949         "LSTORE_3       ", /* LSTORE_3     66 */
 950         "FSTORE_0       ", /* FSTORE_0     67 */
 951         "FSTORE_1       ", /* FSTORE_1     68 */
 952         "FSTORE_2       ", /* FSTORE_2     69 */
 953         "FSTORE_3       ", /* FSTORE_3     70 */
 954         "DSTORE_0       ", /* DSTORE_0     71 */
 955         "DSTORE_1       ", /* DSTORE_1     72 */
 956         "DSTORE_2       ", /* DSTORE_2     73 */
 957         "DSTORE_3       ", /* DSTORE_3     74 */
 958         "ASTORE_0       ", /* ASTORE_0     75 */
 959         "ASTORE_1       ", /* ASTORE_1     76 */
 960         "ASTORE_2       ", /* ASTORE_2     77 */
 961         "ASTORE_3       ", /* ASTORE_3     78 */
 962         "IASTORE        ", /*              79 */
 963         "LASTORE        ", /*              80 */
 964         "FASTORE        ", /*              81 */
 965         "DASTORE        ", /*              82 */
 966         "AASTORE        ", /*              83 */
 967         "BASTORE        ", /*              84 */
 968         "CASTORE        ", /*              85 */
 969         "SASTORE        ", /*              86 */
 970         "POP            ", /*              87 */
 971         "POP2           ", /*              88 */
 972         "DUP            ", /*              89 */
 973         "DUP_X1         ", /*              90 */
 974         "DUP_X2         ", /*              91 */
 975         "DUP2           ", /*              92 */
 976         "DUP2_X1        ", /*              93 */
 977         "DUP2_X2        ", /*              94 */
 978         "SWAP           ", /*              95 */
 979         "IADD           ", /*              96 */
 980         "LADD           ", /*              97 */
 981         "FADD           ", /*              98 */
 982         "DADD           ", /*              99 */
 983         "ISUB           ", /*             100 */
 984         "LSUB           ", /*             101 */
 985         "FSUB           ", /*             102 */
 986         "DSUB           ", /*             103 */
 987         "IMUL           ", /*             104 */
 988         "LMUL           ", /*             105 */
 989         "FMUL           ", /*             106 */
 990         "DMUL           ", /*             107 */
 991         "IDIV           ", /*             108 */
 992         "LDIV           ", /*             109 */
 993         "FDIV           ", /*             110 */
 994         "DDIV           ", /*             111 */
 995         "IREM           ", /*             112 */
 996         "LREM           ", /*             113 */
 997         "FREM           ", /*             114 */
 998         "DREM           ", /*             115 */
 999         "INEG           ", /*             116 */
1000         "LNEG           ", /*             117 */
1001         "FNEG           ", /*             118 */
1002         "DNEG           ", /*             119 */
1003         "ISHL           ", /*             120 */
1004         "LSHL           ", /*             121 */
1005         "ISHR           ", /*             122 */
1006         "LSHR           ", /*             123 */
1007         "IUSHR          ", /*             124 */
1008         "LUSHR          ", /*             125 */
1009         "IAND           ", /*             126 */
1010         "LAND           ", /*             127 */
1011         "IOR            ", /*             128 */
1012         "LOR            ", /*             129 */
1013         "IXOR           ", /*             130 */
1014         "LXOR           ", /*             131 */
1015         "IINC           ", /*             132 */
1016         "I2L            ", /*             133 */
1017         "I2F            ", /*             134 */
1018         "I2D            ", /*             135 */
1019         "L2I            ", /*             136 */
1020         "L2F            ", /*             137 */
1021         "L2D            ", /*             138 */
1022         "F2I            ", /*             139 */
1023         "F2L            ", /*             140 */
1024         "F2D            ", /*             141 */
1025         "D2I            ", /*             142 */
1026         "D2L            ", /*             143 */
1027         "D2F            ", /*             144 */
1028         "INT2BYTE       ", /*             145 */
1029         "INT2CHAR       ", /*             146 */
1030         "INT2SHORT      ", /*             147 */
1031         "LCMP           ", /*             148 */
1032         "FCMPL          ", /*             149 */
1033         "FCMPG          ", /*             150 */
1034         "DCMPL          ", /*             151 */
1035         "DCMPG          ", /*             152 */
1036         "IFEQ           ", /*             153 */
1037         "IFNE           ", /*             154 */
1038         "IFLT           ", /*             155 */
1039         "IFGE           ", /*             156 */
1040         "IFGT           ", /*             157 */
1041         "IFLE           ", /*             158 */
1042         "IF_ICMPEQ      ", /*             159 */
1043         "IF_ICMPNE      ", /*             160 */
1044         "IF_ICMPLT      ", /*             161 */
1045         "IF_ICMPGE      ", /*             162 */
1046         "IF_ICMPGT      ", /*             163 */
1047         "IF_ICMPLE      ", /*             164 */
1048         "IF_ACMPEQ      ", /*             165 */
1049         "IF_ACMPNE      ", /*             166 */
1050         "GOTO           ", /*             167 */
1051         "JSR            ", /*             168 */
1052         "RET            ", /*             169 */
1053         "TABLESWITCH    ", /*             170 */
1054         "LOOKUPSWITCH   ", /*             171 */
1055         "IRETURN        ", /*             172 */
1056         "LRETURN        ", /*             173 */
1057         "FRETURN        ", /*             174 */
1058         "DRETURN        ", /*             175 */
1059         "ARETURN        ", /*             176 */
1060         "RETURN         ", /*             177 */
1061         "GETSTATIC      ", /*             178 */
1062         "PUTSTATIC      ", /*             179 */
1063         "GETFIELD       ", /*             180 */
1064         "PUTFIELD       ", /*             181 */
1065         "INVOKEVIRTUAL  ", /*             182 */
1066         "INVOKESPECIAL  ", /*             183 */
1067         "INVOKESTATIC   ", /*             184 */
1068         "INVOKEINTERFACE", /*             185 */
1069         "UNDEF186       ", /*             186 */
1070         "NEW            ", /*             187 */
1071         "NEWARRAY       ", /*             188 */
1072         "ANEWARRAY      ", /*             189 */
1073         "ARRAYLENGTH    ", /*             190 */
1074         "ATHROW         ", /*             191 */
1075         "CHECKCAST      ", /*             192 */
1076         "INSTANCEOF     ", /*             193 */
1077         "MONITORENTER   ", /*             194 */
1078         "MONITOREXIT    ", /*             195 */
1079         "WIDE           ", /* WIDE        196 */
1080         "MULTIANEWARRAY ", /*             197 */
1081         "IFNULL         ", /*             198 */
1082         "IFNONNULL      ", /*             199 */
1083         "GOTO_W         ", /* GOTO_W      200 */
1084         "JSR_W          ", /* JSR_W       201 */
1085         "BREAKPOINT     ", /* BREAKPOINT  202 */
1086
1087                                 "UNDEF203", "UNDEF204", "UNDEF205",
1088         "UNDEF206", "UNDEF207", "UNDEF208", "UNDEF209", "UNDEF210",
1089         "UNDEF211", "UNDEF212", "UNDEF213", "UNDEF214", "UNDEF215",
1090         "UNDEF216", "UNDEF217", "UNDEF218", "UNDEF219", "UNDEF220",
1091         "UNDEF221", "UNDEF222", "UNDEF223", "UNDEF224", "UNDEF225",
1092         "UNDEF226", "UNDEF227", "UNDEF228", "UNDEF229", "UNDEF230",
1093         "UNDEF231", "UNDEF232", "UNDEF233", "UNDEF234", "UNDEF235",
1094         "UNDEF236", "UNDEF237", "UNDEF238", "UNDEF239", "UNDEF240",
1095         "UNDEF241", "UNDEF242", "UNDEF243", "UNDEF244", "UNDEF245",
1096         "UNDEF246", "UNDEF247", "UNDEF248", "UNDEF249", "UNDEF250",
1097         "UNDEF251", "UNDEF252", "UNDEF253", "UNDEF254", "UNDEF255"
1098 };
1099
1100 int op_data[256][OP_DATA_SIZE];
1101 /* int op_needs_saved[256]; */
1102 /* int op_is_pei[256]; */
1103
1104 /* jit_init ********************************************************************
1105
1106    Initializes the JIT subsystem.
1107
1108 *******************************************************************************/
1109
1110 void jit_init(void)
1111 {
1112         s4 i;
1113
1114         for( i = 0; i < 256; i++) {
1115                 op_data[i][NEEDS_SAVED] = 0;
1116                 op_data[i][PEI] = 0;
1117         }
1118
1119         op_data[ICMD_AASTORE  ][NEEDS_SAVED] = 1;
1120 #if !SUPPORT_DIVISION
1121         op_data[ICMD_IDIV     ][NEEDS_SAVED] = 1;
1122         op_data[ICMD_IREM     ][NEEDS_SAVED] = 1;
1123 #endif
1124 #if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
1125         op_data[ICMD_LDIV     ][NEEDS_SAVED] = 1;
1126         op_data[ICMD_LREM     ][NEEDS_SAVED] = 1;
1127 #endif
1128         op_data[ICMD_CHECKCAST][NEEDS_SAVED] = 1;
1129
1130         op_data[ICMD_BUILTIN        ][NEEDS_SAVED] = 1;
1131         op_data[ICMD_INVOKESTATIC   ][NEEDS_SAVED] = 1;
1132         op_data[ICMD_INVOKESPECIAL  ][NEEDS_SAVED] = 1;
1133         op_data[ICMD_INVOKEVIRTUAL  ][NEEDS_SAVED] = 1;
1134         op_data[ICMD_INVOKEINTERFACE][NEEDS_SAVED] = 1;
1135         op_data[ICMD_MULTIANEWARRAY ][NEEDS_SAVED] = 1;
1136
1137         op_data[ICMD_ACONST][PEI] = 1; /* OutOfMemoryError */
1138         op_data[ICMD_NEWARRAY][PEI] = 1; /* NegativeArraySizeException,OutOfMemoryError */
1139         op_data[ICMD_ANEWARRAY][PEI] = 1; /* NegativeArraySizeException,OutOfMemoryError */
1140         op_data[ICMD_MULTIANEWARRAY][PEI] = 1; /* NegativeArraySizeException,OutOfMemoryError */
1141         op_data[ICMD_ARRAYLENGTH][PEI] = 1; /* NullPointerException */
1142         op_data[ICMD_IALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1143         op_data[ICMD_LALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1144         op_data[ICMD_FALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1145         op_data[ICMD_DALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1146         op_data[ICMD_AALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1147         op_data[ICMD_BALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1148         op_data[ICMD_CALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1149         op_data[ICMD_SALOAD][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1150         op_data[ICMD_IASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1151         op_data[ICMD_LASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1152         op_data[ICMD_FASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1153         op_data[ICMD_DASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1154         op_data[ICMD_AASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1155         /* ArrayStoreException */
1156         op_data[ICMD_BASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1157         op_data[ICMD_CASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1158         op_data[ICMD_SASTORE][PEI] = 1; /* NullPointerException, ArrayIndexOutOfBoundsException */
1159
1160         op_data[ICMD_IDIV][PEI] = 1; /* "/ by Zero" ArithmeticException */
1161         op_data[ICMD_LDIV][PEI] = 1; /* "/ by Zero" ArithmeticException */
1162         op_data[ICMD_IREM][PEI] = 1; /* "/ by Zero" ArithmeticException */
1163         op_data[ICMD_LREM][PEI] = 1; /* "/ by Zero" ArithmeticException */
1164
1165         op_data[ICMD_PUTFIELD][PEI] = 1; /* NullPointerException, IncompatibleClassChangeError */
1166         op_data[ICMD_GETFIELD][PEI] = 1; /* NullPointerException, IncompatibleClassChangeError */
1167 #if 0
1168         op_data[ICMD_PUTFIELDCONST][PEI] = 1; /*NullPointerException, IncompatibleClassChangeError */
1169         op_data[ICMD_GETFIELDCONST][PEI] = 1; /*NullPointerException, IncompatibleClassChangeError */
1170 #endif
1171         op_data[ICMD_PUTSTATIC][PEI] = 1; /* IncompatibleClassChangeError */
1172         op_data[ICMD_GETSTATIC][PEI] = 1; /* IncompatibleClassChangeError */
1173
1174         op_data[ICMD_BUILTIN][PEI] = 1; /* ?NullPointerException, StackOverflowError,? * */
1175         op_data[ICMD_INVOKEVIRTUAL][PEI] = 1; /* NullPointerException, StackOverflowError, * */
1176         op_data[ICMD_INVOKESPECIAL][PEI] = 1; /* NullPointerException, StackOverflowError, * */
1177         op_data[ICMD_INVOKESTATIC][PEI] = 1; /* StackOverflowError, * */
1178         op_data[ICMD_INVOKEINTERFACE][PEI] = 1; /* NullPointerException, StackOverflowError, * */
1179
1180         op_data[ICMD_ATHROW][PEI] = 1; /* NullPointerException, * */
1181
1182         op_data[ICMD_CHECKCAST][PEI] = 1; /* ClassCastException */
1183
1184         op_data[ICMD_MONITORENTER][PEI] = 1; /* NullPointerException */
1185         op_data[ICMD_MONITOREXIT][PEI] = 1; /* NullPointerException */
1186
1187         op_data[ICMD_CHECKNULL][PEI] = 1; /* NullPointerException */
1188
1189         /* initialize stack analysis subsystem */
1190
1191         (void) stack_init();
1192
1193         /* initialize show subsystem */
1194
1195 #if !defined(NDEBUG)
1196         (void) show_init();
1197 #endif
1198
1199         /* initialize codegen subsystem */
1200
1201         codegen_init();
1202 }
1203
1204
1205 /* jit_close *******************************************************************
1206
1207    Close the JIT subsystem.
1208
1209 *******************************************************************************/
1210
1211 void jit_close(void)
1212 {
1213         /* do nothing */
1214 }
1215
1216
1217 /* dummy function, used when there is no JavaVM code available                */
1218
1219 static u1 *do_nothing_function(void)
1220 {
1221         return NULL;
1222 }
1223
1224
1225 /* jit_jitdata_new *************************************************************
1226
1227    Allocates and initalizes a new jitdata structure.
1228
1229 *******************************************************************************/
1230
1231 static jitdata *jit_jitdata_new(methodinfo *m)
1232 {
1233         jitdata *jd;
1234
1235         /* allocate jitdata structure and fill it */
1236
1237         jd = DNEW(jitdata);
1238
1239         jd->m     = m;
1240         jd->cd    = DNEW(codegendata);
1241         jd->rd    = DNEW(registerdata);
1242 #if defined(ENABLE_LOOP)
1243         jd->ld    = DNEW(loopdata);
1244 #endif
1245
1246         /* Allocate codeinfo memory from the heap as we need to keep them. */
1247
1248         jd->code  = code_codeinfo_new(m);
1249
1250         /* initialize variables */
1251
1252         jd->flags        = 0;
1253         jd->isleafmethod = true;
1254
1255         return jd;
1256 }
1257
1258
1259 /* jit_compile *****************************************************************
1260
1261    Translates one method to machine code.
1262
1263 *******************************************************************************/
1264
1265 static u1 *jit_compile_intern(jitdata *jd);
1266
1267 u1 *jit_compile(methodinfo *m)
1268 {
1269         u1      *r;
1270         jitdata *jd;
1271         s4       dumpsize;
1272
1273         STATISTICS(count_jit_calls++);
1274
1275         /* Initialize the static function's class. */
1276
1277         /* ATTENTION: This MUST be done before the method lock is aquired,
1278            otherwise we could run into a deadlock with <clinit>'s that
1279            call static methods of it's own class. */
1280
1281         if ((m->flags & ACC_STATIC) && !(m->class->state & CLASS_INITIALIZED)) {
1282 #if !defined(NDEBUG)
1283                 if (initverbose)
1284                         log_message_class("Initialize class ", m->class);
1285 #endif
1286
1287                 if (!initialize_class(m->class))
1288                         return NULL;
1289
1290                 /* check if the method has been compiled during initialization */
1291
1292                 if ((m->code != NULL) && (m->code->entrypoint != NULL))
1293                         return m->code->entrypoint;
1294         }
1295
1296         /* enter a monitor on the method */
1297
1298         LOCK_MONITOR_ENTER(m);
1299
1300         /* if method has been already compiled return immediately */
1301
1302         if (m->code != NULL) {
1303                 LOCK_MONITOR_EXIT(m);
1304
1305                 assert(m->code->entrypoint);
1306                 return m->code->entrypoint;
1307         }
1308
1309         STATISTICS(count_methods++);
1310
1311 #if defined(ENABLE_STATISTICS)
1312         /* measure time */
1313
1314         if (opt_getcompilingtime)
1315                 compilingtime_start();
1316 #endif
1317
1318         /* mark start of dump memory area */
1319
1320         dumpsize = dump_size();
1321
1322         /* create jitdata structure */
1323
1324         jd = jit_jitdata_new(m);
1325
1326         /* set the flags for the current JIT run */
1327
1328         jd->flags = JITDATA_FLAG_PARSE;
1329
1330         if (opt_verify)
1331                 jd->flags |= JITDATA_FLAG_VERIFY;
1332
1333         if (opt_prof)
1334                 jd->flags |= JITDATA_FLAG_INSTRUMENT;
1335
1336 #if defined(ENABLE_IFCONV)
1337         if (opt_ifconv)
1338                 jd->flags |= JITDATA_FLAG_IFCONV;
1339 #endif
1340
1341         if (opt_showintermediate)
1342                 jd->flags |= JITDATA_FLAG_SHOWINTERMEDIATE;
1343
1344         if (opt_showdisassemble)
1345                 jd->flags |= JITDATA_FLAG_SHOWDISASSEMBLE;
1346
1347         if (opt_verbosecall)
1348                 jd->flags |= JITDATA_FLAG_VERBOSECALL;
1349
1350 #if defined(ENABLE_JIT)
1351 # if defined(ENABLE_INTRP)
1352         if (!opt_intrp)
1353 # endif
1354                 /* initialize the register allocator */
1355         {
1356                 reg_setup(jd);
1357         }
1358 #endif
1359
1360         /* setup the codegendata memory */
1361
1362         codegen_setup(jd);
1363
1364         /* now call internal compile function */
1365
1366         r = jit_compile_intern(jd);
1367
1368         if (r == NULL) {
1369                 /* We had an exception! Finish stuff here if necessary. */
1370
1371                 /* release codeinfo */
1372
1373                 code_codeinfo_free(jd->code);
1374
1375                 /* Release memory for basic block profiling information. */
1376
1377                 if (JITDATA_HAS_FLAG_INSTRUMENT(jd))
1378                         if (jd->code->bbfrequency != NULL)
1379                                 MFREE(jd->code->bbfrequency, u4, jd->code->basicblockcount);
1380         }
1381         else {
1382                 DEBUG_JIT_COMPILEVERBOSE("Running: ");
1383         }
1384
1385         /* release dump area */
1386
1387         dump_release(dumpsize);
1388
1389 #if defined(ENABLE_STATISTICS)
1390         /* measure time */
1391
1392         if (opt_getcompilingtime)
1393                 compilingtime_stop();
1394 #endif
1395
1396         /* leave the monitor */
1397
1398         LOCK_MONITOR_EXIT(m);
1399
1400         /* return pointer to the methods entry point */
1401
1402         return r;
1403 }
1404
1405
1406 /* jit_recompile ***************************************************************
1407
1408    Recompiles a Java method.
1409
1410 *******************************************************************************/
1411
1412 u1 *jit_recompile(methodinfo *m)
1413 {
1414         u1      *r;
1415         jitdata *jd;
1416         u1       optlevel;
1417         s4       dumpsize;
1418
1419         /* check for max. optimization level */
1420
1421         optlevel = m->code->optlevel;
1422
1423         if (optlevel == 1) {
1424 /*              log_message_method("not recompiling: ", m); */
1425                 return NULL;
1426         }
1427
1428         log_message_method("Recompiling start: ", m);
1429
1430         STATISTICS(count_jit_calls++);
1431
1432 #if defined(ENABLE_STATISTICS)
1433         /* measure time */
1434
1435         if (opt_getcompilingtime)
1436                 compilingtime_start();
1437 #endif
1438
1439         /* mark start of dump memory area */
1440
1441         dumpsize = dump_size();
1442
1443         /* create jitdata structure */
1444
1445         jd = jit_jitdata_new(m);
1446
1447         /* set the current optimization level to the previous one plus 1 */
1448
1449         jd->code->optlevel = optlevel + 1;
1450
1451         /* get the optimization flags for the current JIT run */
1452
1453         jd->flags |= JITDATA_FLAG_REORDER;
1454         jd->flags |= JITDATA_FLAG_SHOWINTERMEDIATE;
1455         jd->flags |= JITDATA_FLAG_SHOWDISASSEMBLE;
1456 /*      jd->flags |= JITDATA_FLAG_VERBOSECALL; */
1457
1458 #if defined(ENABLE_JIT)
1459 # if defined(ENABLE_INTRP)
1460         if (!opt_intrp)
1461 # endif
1462                 /* initialize the register allocator */
1463
1464                 reg_setup(jd);
1465 #endif
1466
1467         /* setup the codegendata memory */
1468
1469         codegen_setup(jd);
1470
1471         /* now call internal compile function */
1472
1473         r = jit_compile_intern(jd);
1474
1475         if (r == NULL) {
1476                 /* We had an exception! Finish stuff here if necessary. */
1477
1478                 /* release codeinfo */
1479
1480                 code_codeinfo_free(jd->code);
1481         }
1482
1483         /* release dump area */
1484
1485         dump_release(dumpsize);
1486
1487 #if defined(ENABLE_STATISTICS)
1488         /* measure time */
1489
1490         if (opt_getcompilingtime)
1491                 compilingtime_stop();
1492 #endif
1493
1494         log_message_method("Recompiling done: ", m);
1495
1496         /* return pointer to the methods entry point */
1497
1498         return r;
1499 }
1500
1501
1502 /* jit_compile_intern **********************************************************
1503
1504    Static internal function which does the actual compilation.
1505
1506 *******************************************************************************/
1507
1508 static u1 *jit_compile_intern(jitdata *jd)
1509 {
1510         methodinfo  *m;
1511         codegendata *cd;
1512         codeinfo    *code;
1513
1514 #if defined(ENABLE_RT_TIMING)
1515         struct timespec time_start,time_checks,time_parse,time_stack,
1516                                         time_typecheck,time_loop,time_ifconv,time_alloc,
1517                                         time_rplpoints,time_codegen;
1518 #endif
1519
1520         RT_TIMING_GET_TIME(time_start);
1521
1522         /* get required compiler data */
1523
1524 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
1525         jd->ls = NULL;
1526 #endif
1527         m    = jd->m;
1528         code = jd->code;
1529         cd   = jd->cd;
1530
1531         /* print log message for compiled method */
1532
1533         DEBUG_JIT_COMPILEVERBOSE("Compiling: ");
1534
1535         /* handle native methods and create a native stub */
1536
1537         if (m->flags & ACC_NATIVE) {
1538                 functionptr f;
1539
1540 #if defined(WITH_STATIC_CLASSPATH)
1541                 f = native_findfunction(m->class->name, m->name, m->descriptor,
1542                                                                 (m->flags & ACC_STATIC));
1543                 if (f == NULL)
1544                         return NULL;
1545 #else
1546                 f = NULL;
1547 #endif
1548
1549                 code = codegen_createnativestub(f, m);
1550
1551                 assert(!m->code); /* native methods are never recompiled */
1552                 m->code = code;
1553
1554                 return code->entrypoint;
1555         }
1556
1557         /* if there is no javacode, print error message and return empty method   */
1558
1559         if (m->jcode == NULL) {
1560                 DEBUG_JIT_COMPILEVERBOSE("No code given for: ");
1561
1562                 code->entrypoint = (u1 *) (ptrint) do_nothing_function;
1563                 m->code = code;
1564
1565                 return code->entrypoint;        /* return empty method                */
1566         }
1567
1568 #if defined(ENABLE_STATISTICS)
1569         if (opt_stat) {
1570                 count_tryblocks    += m->exceptiontablelength;
1571                 count_javacodesize += m->jcodelength + 18;
1572                 count_javaexcsize  += m->exceptiontablelength * SIZEOF_VOID_P;
1573         }
1574 #endif
1575
1576         RT_TIMING_GET_TIME(time_checks);
1577
1578         /* call the compiler passes ***********************************************/
1579
1580         DEBUG_JIT_COMPILEVERBOSE("Parsing: ");
1581
1582         /* call parse pass */
1583
1584         if (!new_parse(jd)) {
1585                 DEBUG_JIT_COMPILEVERBOSE("Exception while parsing: ");
1586
1587                 return NULL;
1588         }
1589         RT_TIMING_GET_TIME(time_parse);
1590
1591         DEBUG_JIT_COMPILEVERBOSE("Parsing done: ");
1592
1593         /* build the CFG */
1594
1595         if (!cfg_build(jd))
1596                 return NULL;
1597
1598         DEBUG_JIT_COMPILEVERBOSE("Analysing: ");
1599
1600         /* call stack analysis pass */
1601
1602         if (!new_stack_analyse(jd)) {
1603                 DEBUG_JIT_COMPILEVERBOSE("Exception while analysing: ");
1604
1605                 return NULL;
1606         }
1607         RT_TIMING_GET_TIME(time_stack);
1608
1609         DEBUG_JIT_COMPILEVERBOSE("Analysing done: ");
1610
1611 #ifdef ENABLE_VERIFIER
1612         if (jd->flags & JITDATA_FLAG_VERIFY) {
1613                 DEBUG_JIT_COMPILEVERBOSE("Typechecking: ");
1614
1615                 /* call typecheck pass */
1616                 if (!typecheck(jd)) {
1617                         DEBUG_JIT_COMPILEVERBOSE("Exception while typechecking: ");
1618
1619                         return NULL;
1620                 }
1621
1622                 DEBUG_JIT_COMPILEVERBOSE("Typechecking done: ");
1623         }
1624 #endif
1625         RT_TIMING_GET_TIME(time_typecheck);
1626
1627 #if defined(ENABLE_LOOP)
1628         if (opt_loops) {
1629                 depthFirst(jd);
1630                 analyseGraph(jd);
1631                 optimize_loops(jd);
1632         }
1633 #endif
1634         RT_TIMING_GET_TIME(time_loop);
1635
1636 #if defined(ENABLE_IFCONV)
1637         if (JITDATA_HAS_FLAG_IFCONV(jd))
1638                 if (!ifconv_static(jd))
1639                         return NULL;
1640 #endif
1641         RT_TIMING_GET_TIME(time_ifconv);
1642
1643         /* Basic block reordering.  I think this should be done after
1644            if-conversion, as we could lose the ability to do the
1645            if-conversion. */
1646
1647         if (JITDATA_HAS_FLAG_REORDER(jd))
1648                 if (!reorder(jd))
1649                         return NULL;
1650
1651 #if defined(ENABLE_JIT)
1652 # if defined(ENABLE_INTRP)
1653         if (!opt_intrp) {
1654 # endif
1655                 DEBUG_JIT_COMPILEVERBOSE("Allocating registers: ");
1656
1657 #if defined(ENABLE_LSRA) && !defined(ENABLE_SSA)
1658                 /* allocate registers */
1659                 if (opt_lsra) {
1660                         if (!lsra(jd))
1661                                 return NULL;
1662
1663                         STATISTICS(count_methods_allocated_by_lsra++);
1664
1665                 } else
1666 # endif /* defined(ENABLE_LSRA) && !defined(ENABLE_SSA) */
1667 #if defined(ENABLE_SSA)
1668                 /* allocate registers */
1669                 if ((opt_lsra) && (cd->exceptiontablelength == 0)) {
1670                         jd->ls = DNEW(lsradata);
1671                         lsra(jd);
1672
1673                         STATISTICS(count_methods_allocated_by_lsra++);
1674
1675                 } else
1676 # endif /* defined(ENABLE_SSA) */
1677                 {
1678                         STATISTICS(count_locals_conflicts += (cd->maxlocals - 1) * (cd->maxlocals));
1679
1680                         new_regalloc(jd);
1681                 }
1682
1683                 STATISTICS(reg_make_statistics(jd));
1684
1685                 DEBUG_JIT_COMPILEVERBOSE("Allocating registers done: ");
1686 # if defined(ENABLE_INTRP)
1687         }
1688 # endif
1689 #endif /* defined(ENABLE_JIT) */
1690         RT_TIMING_GET_TIME(time_alloc);
1691
1692         /* Allocate memory for basic block profiling information. This
1693            _must_ be done after loop optimization and register allocation,
1694            since they can change the basic block count. */
1695
1696         if (JITDATA_HAS_FLAG_INSTRUMENT(jd))
1697                 code->bbfrequency = MNEW(u4, jd->new_basicblockcount);
1698
1699         DEBUG_JIT_COMPILEVERBOSE("Generating code: ");
1700
1701         /* create the replacement points */
1702
1703         if (!replace_create_replacement_points(jd))
1704                 return NULL;
1705         RT_TIMING_GET_TIME(time_rplpoints);
1706
1707         /* now generate the machine code */
1708
1709 #if defined(ENABLE_JIT)
1710 # if defined(ENABLE_INTRP)
1711         if (opt_intrp) {
1712                 if (!intrp_codegen(jd)) {
1713                         DEBUG_JIT_COMPILEVERBOSE("Exception while generating code: ");
1714
1715                         return NULL;
1716                 }
1717         } else
1718 # endif
1719                 {
1720                         if (!codegen(jd)) {
1721                                 DEBUG_JIT_COMPILEVERBOSE("Exception while generating code: ");
1722
1723                                 return NULL;
1724                         }
1725                 }
1726 #else
1727         if (!intrp_codegen(jd)) {
1728                 DEBUG_JIT_COMPILEVERBOSE("Exception while generating code: ");
1729
1730                 return NULL;
1731         }
1732 #endif
1733         RT_TIMING_GET_TIME(time_codegen);
1734
1735         DEBUG_JIT_COMPILEVERBOSE("Generating code done: ");
1736
1737 #if !defined(NDEBUG)
1738         /* intermediate and assembly code listings */
1739
1740         if (JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd)) {
1741                 new_show_method(jd, SHOW_CODE);
1742         }
1743         else if (JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd)) {
1744 # if defined(ENABLE_DISASSEMBLER)
1745                 DISASSEMBLE(code->entrypoint,
1746                                         code->entrypoint + (code->mcodelength - cd->dseglen));
1747 # endif
1748         }
1749
1750         if (opt_showddatasegment)
1751                 dseg_display(jd);
1752 #endif
1753
1754         DEBUG_JIT_COMPILEVERBOSE("Compiling done: ");
1755
1756         /* switch to the newly generated code */
1757
1758         assert(code);
1759         assert(code->entrypoint);
1760
1761         /* add the current compile version to the methodinfo */
1762
1763         code->prev = m->code;
1764         m->code = code;
1765
1766         RT_TIMING_TIME_DIFF(time_start,time_checks,RT_TIMING_JIT_CHECKS);
1767         RT_TIMING_TIME_DIFF(time_checks,time_parse,RT_TIMING_JIT_PARSE);
1768         RT_TIMING_TIME_DIFF(time_parse,time_stack,RT_TIMING_JIT_STACK);
1769         RT_TIMING_TIME_DIFF(time_stack,time_typecheck,RT_TIMING_JIT_TYPECHECK);
1770         RT_TIMING_TIME_DIFF(time_typecheck,time_loop,RT_TIMING_JIT_LOOP);
1771         RT_TIMING_TIME_DIFF(time_loop,time_alloc,RT_TIMING_JIT_ALLOC);
1772         RT_TIMING_TIME_DIFF(time_alloc,time_rplpoints,RT_TIMING_JIT_RPLPOINTS);
1773         RT_TIMING_TIME_DIFF(time_rplpoints,time_codegen,RT_TIMING_JIT_CODEGEN);
1774         RT_TIMING_TIME_DIFF(time_start,time_codegen,RT_TIMING_JIT_TOTAL);
1775
1776         /* return pointer to the methods entry point */
1777
1778         return code->entrypoint;
1779 }
1780
1781
1782 /* jit_asm_compile *************************************************************
1783
1784    This method is called from asm_vm_call_method and does:
1785
1786      - create stackframe info for exceptions
1787      - compile the method
1788      - patch the entrypoint of the method into the calculated address in
1789        the JIT code
1790      - flushes the instruction cache.
1791
1792 *******************************************************************************/
1793
1794 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra)
1795 {
1796         stackframeinfo  sfi;
1797         u1             *entrypoint;
1798         u1             *pa;
1799         ptrint         *p;
1800
1801         /* create the stackframeinfo (XPC is equal to RA) */
1802
1803         stacktrace_create_extern_stackframeinfo(&sfi, NULL, sp, ra, ra);
1804
1805         /* actually compile the method */
1806
1807         entrypoint = jit_compile(m);
1808
1809         /* remove the stackframeinfo */
1810
1811         stacktrace_remove_stackframeinfo(&sfi);
1812
1813         /* there was a problem during compilation */
1814
1815         if (entrypoint == NULL)
1816                 return NULL;
1817
1818         /* get the method patch address */
1819
1820         pa = md_get_method_patch_address(ra, &sfi, mptr);
1821
1822         /* patch the method entry point */
1823
1824         p = (ptrint *) pa;
1825
1826         *p = (ptrint) entrypoint;
1827
1828         /* flush the instruction cache */
1829
1830         md_icacheflush(pa, SIZEOF_VOID_P);
1831
1832         return entrypoint;
1833 }
1834
1835
1836 /* jit_complement_condition ****************************************************
1837
1838    Returns the complement of the passed conditional instruction.
1839
1840    We use the order of the different conditions, e.g.:
1841
1842    ICMD_IFEQ         153
1843    ICMD_IFNE         154
1844
1845    If the passed opcode is odd, we simply add 1 to get the complement.
1846    If the opcode is even, we subtract 1.
1847
1848    Exception:
1849
1850    ICMD_IFNULL       198
1851    ICMD_IFNONNULL    199
1852
1853 *******************************************************************************/
1854
1855 s4 jit_complement_condition(s4 opcode)
1856 {
1857         switch (opcode) {
1858         case ICMD_IFNULL:
1859                 return ICMD_IFNONNULL;
1860
1861         case ICMD_IFNONNULL:
1862                 return ICMD_IFNULL;
1863
1864         default:
1865                 /* check if opcode is odd */
1866
1867                 if (opcode & 0x1)
1868                         return opcode + 1;
1869                 else
1870                         return opcode - 1;
1871         }
1872 }
1873
1874
1875 /*
1876  * These are local overrides for various environment variables in Emacs.
1877  * Please do not remove this and leave it at the end of the file, where
1878  * Emacs will automagically detect them.
1879  * ---------------------------------------------------------------------
1880  * Local variables:
1881  * mode: c
1882  * indent-tabs-mode: t
1883  * c-basic-offset: 4
1884  * tab-width: 4
1885  * End:
1886  * vim:noexpandtab:sw=4:ts=4:
1887  */