src/vm/jit/alpha/codegen.c

   1 /* src/vm/jit/alpha/codegen.c - machine code generator for Alpha
   2
   3    Copyright (C) 1996-2005, 2006, 2007 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    $Id: codegen.c 7596 2007-03-28 21:05:53Z twisti $
  26
  27 */
  28
  29
  30 #include "config.h"
  31
  32 #include <assert.h>
  33 #include <stdio.h>
  34
  35 #include "vm/types.h"
  36
  37 #include "md.h"
  38 #include "md-abi.h"
  39
  40 #include "vm/jit/alpha/arch.h"
  41 #include "vm/jit/alpha/codegen.h"
  42
  43 #include "mm/memory.h"
  44
  45 #include "native/jni.h"
  46 #include "native/native.h"
  47
  48 #if defined(ENABLE_THREADS)
  49 # include "threads/native/lock.h"
  50 #endif
  51
  52 #include "vm/builtin.h"
  53 #include "vm/exceptions.h"
  54 #include "vm/global.h"
  55 #include "vm/vm.h"
  56
  57 #include "vm/jit/asmpart.h"
  58 #include "vm/jit/codegen-common.h"
  59 #include "vm/jit/dseg.h"
  60 #include "vm/jit/emit-common.h"
  61 #include "vm/jit/jit.h"
  62 #include "vm/jit/parse.h"
  63 #include "vm/jit/patcher.h"
  64 #include "vm/jit/reg.h"
  65 #include "vm/jit/replace.h"
  66 #include "vm/jit/stacktrace.h"
  67
  68 #if defined(ENABLE_LSRA)
  69 # include "vm/jit/allocator/lsra.h"
  70 #endif
  71
  72 #include "vmcore/loader.h"
  73 #include "vmcore/options.h"
  74
  75
  76 /* codegen_emit ****************************************************************
  77
  78    Generates machine code.
  79
  80 *******************************************************************************/
  81
  82 bool codegen_emit(jitdata *jd)
  83 {
  84         methodinfo         *m;
  85         codeinfo           *code;
  86         codegendata        *cd;
  87         registerdata       *rd;
  88         s4                  len, s1, s2, s3, d, disp;
  89         varinfo            *var;
  90         basicblock         *bptr;
  91         instruction        *iptr;
  92         exception_entry    *ex;
  93         u2                  currentline;
  94         methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
  95         unresolved_method  *um;
  96         builtintable_entry *bte;
  97         methoddesc         *md;
  98         fieldinfo          *fi;
  99         unresolved_field   *uf;
 100         s4                  fieldtype;
 101         s4                 varindex;
 102
 103         /* get required compiler data */
 104
 105         m    = jd->m;
 106         code = jd->code;
 107         cd   = jd->cd;
 108         rd   = jd->rd;
 109
 110         /* prevent compiler warnings */
 111
 112         d           = 0;
 113         fieldtype   = 0;
 114         lm          = NULL;
 115         um          = NULL;
 116         bte         = NULL;
 117         currentline = 0;
 118
 119         {
 120         s4 i, p, t, l;
 121         s4 savedregs_num;
 122
 123         savedregs_num = (jd->isleafmethod) ? 0 : 1;       /* space to save the RA */
 124
 125         /* space to save used callee saved registers */
 126
 127         savedregs_num += (INT_SAV_CNT - rd->savintreguse);
 128         savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 129
 130         cd->stackframesize = rd->memuse + savedregs_num;
 131
 132 #if defined(ENABLE_THREADS)        /* space to save argument of monitor_enter */
 133         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 134                 cd->stackframesize++;
 135 #endif
 136
 137         /* create method header */
 138
 139 #if 0
 140         cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
 141 #endif
 142
 143         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
 144         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
 145
 146 #if defined(ENABLE_THREADS)
 147         /* IsSync contains the offset relative to the stack pointer for the
 148            argument of monitor_exit used in the exception handler. Since the
 149            offset could be zero and give a wrong meaning of the flag it is
 150            offset by one.
 151         */
 152
 153         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 154                 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8);       /* IsSync  */
 155         else
 156 #endif
 157                 (void) dseg_add_unique_s4(cd, 0);                          /* IsSync  */
 158
 159         (void) dseg_add_unique_s4(cd, jd->isleafmethod);               /* IsLeaf  */
 160         (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
 161         (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
 162
 163         dseg_addlinenumbertablesize(cd);
 164
 165         (void) dseg_add_unique_s4(cd, jd->exceptiontablelength);   /* ExTableSize */
 166
 167         /* create exception table */
 168
 169         for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
 170                 dseg_add_target(cd, ex->start);
 171                 dseg_add_target(cd, ex->end);
 172                 dseg_add_target(cd, ex->handler);
 173                 (void) dseg_add_unique_address(cd, ex->catchtype.any);
 174         }
 175
 176         /* create stack frame (if necessary) */
 177
 178         if (cd->stackframesize)
 179                 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
 180
 181         /* save return address and used callee saved registers */
 182
 183         p = cd->stackframesize;
 184         if (!jd->isleafmethod) {
 185                 p--; M_AST(REG_RA, REG_SP, p * 8);
 186         }
 187         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 188                 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
 189         }
 190         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 191                 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
 192         }
 193
 194         /* take arguments out of register or stack frame */
 195
 196         md = m->parseddesc;
 197
 198         for (p = 0, l = 0; p < md->paramcount; p++) {
 199                 t = md->paramtypes[p].type;
 200
 201                 varindex = jd->local_map[l * 5 + t];
 202
 203                 l++;
 204                 if (IS_2_WORD_TYPE(t))    /* increment local counter for 2 word types */
 205                         l++;
 206
 207                 if (varindex == UNUSED)
 208                         continue;
 209
 210                 var = VAR(varindex);
 211
 212                 s1 = md->params[p].regoff;
 213
 214                 if (IS_INT_LNG_TYPE(t)) {                    /* integer args          */
 215                         if (!md->params[p].inmemory) {           /* register arguments    */
 216                                 s2 = rd->argintregs[s1];
 217                                 if (!IS_INMEMORY(var->flags)) {      /* reg arg -> register   */
 218                                         M_INTMOVE(s2, var->vv.regoff);
 219
 220                                 } else {                             /* reg arg -> spilled    */
 221                                         M_LST(s2, REG_SP, var->vv.regoff * 8);
 222                                 }
 223
 224                         } else {                                 /* stack arguments       */
 225                                 if (!IS_INMEMORY(var->flags)) {      /* stack arg -> register */
 226                                         M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) *8);
 227
 228                                 } else {                             /* stack arg -> spilled  */
 229                                         var->vv.regoff = cd->stackframesize + s1;
 230                                 }
 231                         }
 232
 233                 } else {                                     /* floating args         */
 234                         if (!md->params[p].inmemory) {           /* register arguments    */
 235                                 s2 = rd->argfltregs[s1];
 236                                 if (!IS_INMEMORY(var->flags)) {      /* reg arg -> register   */
 237                                         M_FLTMOVE(s2, var->vv.regoff);
 238
 239                                 } else {                                         /* reg arg -> spilled    */
 240                                         M_DST(s2, REG_SP, var->vv.regoff * 8);
 241                                 }
 242
 243                         } else {                                 /* stack arguments       */
 244                                 if (!(var->flags & INMEMORY)) {      /* stack-arg -> register */
 245                                         M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8);
 246
 247                                 } else {                             /* stack-arg -> spilled  */
 248                                         var->vv.regoff = cd->stackframesize + s1;
 249                                 }
 250                         }
 251                 }
 252         } /* end for */
 253
 254         /* call monitorenter function */
 255
 256 #if defined(ENABLE_THREADS)
 257         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
 258                 /* stack offset for monitor argument */
 259
 260                 s1 = rd->memuse;
 261
 262 #if !defined(NDEBUG)
 263                 if (opt_verbosecall) {
 264                         M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
 265
 266                         for (p = 0; p < INT_ARG_CNT; p++)
 267                                 M_LST(rd->argintregs[p], REG_SP, p * 8);
 268
 269                         for (p = 0; p < FLT_ARG_CNT; p++)
 270                                 M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
 271
 272                         s1 += INT_ARG_CNT + FLT_ARG_CNT;
 273                 }
 274 #endif /* !defined(NDEBUG) */
 275
 276                 /* decide which monitor enter function to call */
 277
 278                 if (m->flags & ACC_STATIC) {
 279                         disp = dseg_add_address(cd, &m->class->object.header);
 280                         M_ALD(REG_A0, REG_PV, disp);
 281                 }
 282                 else {
 283                         M_BNEZ(REG_A0, 1);
 284                         M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
 285                 }
 286
 287                 M_AST(REG_A0, REG_SP, s1 * 8);
 288                 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
 289                 M_ALD(REG_PV, REG_PV, disp);
 290                 M_JSR(REG_RA, REG_PV);
 291                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
 292                 M_LDA(REG_PV, REG_RA, -disp);
 293
 294 #if !defined(NDEBUG)
 295                 if (opt_verbosecall) {
 296                         for (p = 0; p < INT_ARG_CNT; p++)
 297                                 M_LLD(rd->argintregs[p], REG_SP, p * 8);
 298
 299                         for (p = 0; p < FLT_ARG_CNT; p++)
 300                                 M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
 301
 302                         M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
 303                 }
 304 #endif /* !defined(NDEBUG) */
 305         }
 306 #endif
 307
 308         /* call trace function */
 309
 310 #if !defined(NDEBUG)
 311         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
 312                 emit_verbosecall_enter(jd);
 313 #endif
 314
 315         }
 316
 317         /* end of header generation */
 318
 319         /* create replacement points */
 320
 321         REPLACEMENT_POINTS_INIT(cd, jd);
 322
 323         /* walk through all basic blocks */
 324
 325         for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
 326
 327                 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
 328
 329                 if (bptr->flags >= BBREACHED) {
 330
 331                 /* branch resolving */
 332
 333                 codegen_resolve_branchrefs(cd, bptr);
 334
 335                 /* handle replacement points */
 336
 337                 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
 338
 339                 /* copy interface registers to their destination */
 340
 341                 len = bptr->indepth;
 342                 MCODECHECK(64+len);
 343 #if defined(ENABLE_LSRA)
 344                 if (opt_lsra) {
 345                 while (len) {
 346                         len--;
 347                         src = bptr->invars[len];
 348                         if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 349                                         /*                              d = reg_of_var(m, src, REG_ITMP1); */
 350                                         if (!(src->flags & INMEMORY))
 351                                                 d = src->vv.regoff;
 352                                         else
 353                                                 d = REG_ITMP1;
 354                                         M_INTMOVE(REG_ITMP1, d);
 355                                         emit_store(jd, NULL, src, d);
 356                                 }
 357                         }
 358                 } else {
 359 #endif
 360                         while (len) {
 361                                 len--;
 362                                 var = VAR(bptr->invars[len]);
 363                                 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 364                                         d = codegen_reg_of_var(0, var, REG_ITMP1);
 365                                         M_INTMOVE(REG_ITMP1, d);
 366                                         emit_store(jd, NULL, var, d);
 367                                 }
 368                                 else {
 369                                         assert((var->flags & INOUT));
 370                                 }
 371                         }
 372 #if defined(ENABLE_LSRA)
 373                 }
 374 #endif
 375
 376                 /* walk through all instructions */
 377
 378                 len = bptr->icount;
 379
 380                 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
 381                         if (iptr->line != currentline) {
 382                                 dseg_addlinenumber(cd, iptr->line);
 383                                 currentline = iptr->line;
 384                         }
 385
 386                 MCODECHECK(64);       /* an instruction usually needs < 64 words      */
 387                 switch (iptr->opc) {
 388
 389                 case ICMD_NOP:        /* ...  ==> ...                                 */
 390                 case ICMD_POP:        /* ..., value  ==> ...                          */
 391                 case ICMD_POP2:       /* ..., value, value  ==> ...                   */
 392                         break;
 393
 394                 case ICMD_INLINE_START:
 395
 396                         REPLACEMENT_POINT_INLINE_START(cd, iptr);
 397                         break;
 398
 399                 case ICMD_INLINE_BODY:
 400
 401                         REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
 402                         dseg_addlinenumber_inline_start(cd, iptr);
 403                         dseg_addlinenumber(cd, iptr->line);
 404                         break;
 405
 406                 case ICMD_INLINE_END:
 407
 408                         dseg_addlinenumber_inline_end(cd, iptr);
 409                         dseg_addlinenumber(cd, iptr->line);
 410                         break;
 411
 412                 case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
 413
 414                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 415                         emit_nullpointer_check(cd, iptr, s1);
 416                         break;
 417
 418                 /* constant operations ************************************************/
 419
 420                 case ICMD_ICONST:     /* ...  ==> ..., constant                       */
 421
 422                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 423                         ICONST(d, iptr->sx.val.i);
 424                         emit_store_dst(jd, iptr, d);
 425                         break;
 426
 427                 case ICMD_LCONST:     /* ...  ==> ..., constant                       */
 428
 429                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 430                         LCONST(d, iptr->sx.val.l);
 431                         emit_store_dst(jd, iptr, d);
 432                         break;
 433
 434                 case ICMD_FCONST:     /* ...  ==> ..., constant                       */
 435
 436                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 437                         disp = dseg_add_float(cd, iptr->sx.val.f);
 438                         M_FLD(d, REG_PV, disp);
 439                         emit_store_dst(jd, iptr, d);
 440                         break;
 441
 442                 case ICMD_DCONST:     /* ...  ==> ..., constant                       */
 443
 444                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 445                         disp = dseg_add_double(cd, iptr->sx.val.d);
 446                         M_DLD(d, REG_PV, disp);
 447                         emit_store_dst(jd, iptr, d);
 448                         break;
 449
 450                 case ICMD_ACONST:     /* ...  ==> ..., constant                       */
 451
 452                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 453
 454                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
 455                                 constant_classref *cr = iptr->sx.val.c.ref;
 456
 457                                 disp = dseg_add_unique_address(cd, cr);
 458
 459                                 /* XXX Only add the patcher, if this position needs to
 460                                    be patched.  If there was a previous position which
 461                                    resolved the same class, the returned displacement
 462                                    of dseg_add_address is ok to use. */
 463
 464                                 codegen_add_patch_ref(cd, PATCHER_resolve_classref_to_classinfo,
 465                                                                           cr, disp);
 466
 467                                 M_ALD(d, REG_PV, disp);
 468                         }
 469                         else {
 470                                 if (iptr->sx.val.anyptr == NULL)
 471                                         M_INTMOVE(REG_ZERO, d);
 472                                 else {
 473                                         disp = dseg_add_address(cd, iptr->sx.val.anyptr);
 474                                         M_ALD(d, REG_PV, disp);
 475                                 }
 476                         }
 477                         emit_store_dst(jd, iptr, d);
 478                         break;
 479
 480
 481                 /* load/store/move/copy operations ************************************/
 482
 483                 case ICMD_ILOAD:      /* ...  ==> ..., content of local variable      */
 484                 case ICMD_ALOAD:      /* s1 = local variable                          */
 485                 case ICMD_LLOAD:
 486                 case ICMD_FLOAD:
 487                 case ICMD_DLOAD:
 488                 case ICMD_ISTORE:     /* ..., value  ==> ...                          */
 489                 case ICMD_LSTORE:
 490                 case ICMD_FSTORE:
 491                 case ICMD_DSTORE:
 492                 case ICMD_COPY:
 493                 case ICMD_MOVE:
 494
 495                         emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
 496                         break;
 497
 498                 case ICMD_ASTORE:
 499
 500                         if (!(iptr->flags.bits & INS_FLAG_RETADDR))
 501                                 emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
 502                         break;
 503
 504
 505                 /* integer operations *************************************************/
 506
 507                 case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 508
 509                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 510                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 511                         M_ISUB(REG_ZERO, s1, d);
 512                         emit_store_dst(jd, iptr, d);
 513                         break;
 514
 515                 case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 516
 517                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 518                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 519                         M_LSUB(REG_ZERO, s1, d);
 520                         emit_store_dst(jd, iptr, d);
 521                         break;
 522
 523                 case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 524
 525                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 526                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 527                         M_INTMOVE(s1, d);
 528                         emit_store_dst(jd, iptr, d);
 529                         break;
 530
 531                 case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 532
 533                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 534                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 535                         M_IADD(s1, REG_ZERO, d);
 536                         emit_store_dst(jd, iptr, d);
 537                         break;
 538
 539                 case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 540
 541                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 542                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 543                         if (has_ext_instr_set) {
 544                                 M_BSEXT(s1, d);
 545                         } else {
 546                                 M_SLL_IMM(s1, 56, d);
 547                                 M_SRA_IMM( d, 56, d);
 548                         }
 549                         emit_store_dst(jd, iptr, d);
 550                         break;
 551
 552                 case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 553
 554                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 555                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 556             M_CZEXT(s1, d);
 557                         emit_store_dst(jd, iptr, d);
 558                         break;
 559
 560                 case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 561
 562                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 563                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 564                         if (has_ext_instr_set) {
 565                                 M_SSEXT(s1, d);
 566                         } else {
 567                                 M_SLL_IMM(s1, 48, d);
 568                                 M_SRA_IMM( d, 48, d);
 569                         }
 570                         emit_store_dst(jd, iptr, d);
 571                         break;
 572
 573
 574                 case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 575
 576                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 577                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 578                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 579                         M_IADD(s1, s2, d);
 580                         emit_store_dst(jd, iptr, d);
 581                         break;
 582
 583                 case ICMD_IINC:
 584                 case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
 585                                       /* sx.val.i = constant                             */
 586
 587                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 588                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 589                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 590                                 M_IADD_IMM(s1, iptr->sx.val.i, d);
 591                         } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
 592                                 M_ISUB_IMM(s1, (-iptr->sx.val.i), d);
 593                         } else {
 594                                 /* XXX maybe use M_LDA? */
 595                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 596                                 M_IADD(s1, REG_ITMP2, d);
 597                         }
 598                         emit_store_dst(jd, iptr, d);
 599                         break;
 600
 601                 case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 602
 603                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 604                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 605                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 606                         M_LADD(s1, s2, d);
 607                         emit_store_dst(jd, iptr, d);
 608                         break;
 609
 610                 case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
 611                                       /* sx.val.l = constant                             */
 612
 613                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 614                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 615                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 616                                 M_LADD_IMM(s1, iptr->sx.val.l, d);
 617                         } else {
 618                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 619                                 M_LADD(s1, REG_ITMP2, d);
 620                         }
 621                         emit_store_dst(jd, iptr, d);
 622                         break;
 623
 624                 case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 625
 626                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 627                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 628                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 629                         M_ISUB(s1, s2, d);
 630                         emit_store_dst(jd, iptr, d);
 631                         break;
 632
 633                 case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
 634                                       /* sx.val.i = constant                             */
 635
 636                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 637                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 638                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 639                                 M_ISUB_IMM(s1, iptr->sx.val.i, d);
 640                         } else {
 641                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 642                                 M_ISUB(s1, REG_ITMP2, d);
 643                         }
 644                         emit_store_dst(jd, iptr, d);
 645                         break;
 646
 647                 case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 648
 649                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 650                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 651                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 652                         M_LSUB(s1, s2, d);
 653                         emit_store_dst(jd, iptr, d);
 654                         break;
 655
 656                 case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
 657                                       /* sx.val.l = constant                             */
 658
 659                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 660                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 661                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 662                                 M_LSUB_IMM(s1, iptr->sx.val.l, d);
 663                         } else {
 664                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 665                                 M_LSUB(s1, REG_ITMP2, d);
 666                         }
 667                         emit_store_dst(jd, iptr, d);
 668                         break;
 669
 670                 case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 671
 672                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 673                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 674                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 675                         M_IMUL(s1, s2, d);
 676                         emit_store_dst(jd, iptr, d);
 677                         break;
 678
 679                 case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
 680                                       /* sx.val.i = constant                             */
 681
 682                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 683                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 684                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 685                                 M_IMUL_IMM(s1, iptr->sx.val.i, d);
 686                         } else {
 687                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 688                                 M_IMUL(s1, REG_ITMP2, d);
 689                         }
 690                         emit_store_dst(jd, iptr, d);
 691                         break;
 692
 693                 case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 694
 695                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 696                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 697                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 698                         M_LMUL(s1, s2, d);
 699                         emit_store_dst(jd, iptr, d);
 700                         break;
 701
 702                 case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
 703                                       /* sx.val.l = constant                             */
 704
 705                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 706                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 707                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 708                                 M_LMUL_IMM(s1, iptr->sx.val.l, d);
 709                         } else {
 710                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 711                                 M_LMUL(s1, REG_ITMP2, d);
 712                         }
 713                         emit_store_dst(jd, iptr, d);
 714                         break;
 715
 716                 case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 717                 case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 718
 719                         s1 = emit_load_s1(jd, iptr, REG_A0);
 720                         s2 = emit_load_s2(jd, iptr, REG_A1);
 721                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 722                         emit_arithmetic_check(cd, iptr, s2);
 723
 724                         M_INTMOVE(s1, REG_A0);
 725                         M_INTMOVE(s2, REG_A1);
 726                         bte = iptr->sx.s23.s3.bte;
 727                         disp = dseg_add_functionptr(cd, bte->fp);
 728                         M_ALD(REG_PV, REG_PV, disp);
 729                         M_JSR(REG_RA, REG_PV);
 730                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 731                         M_LDA(REG_PV, REG_RA, -disp);
 732
 733                         M_IADD(REG_RESULT, REG_ZERO, d); /* sign extend (bugfix for gcc -O2) */
 734                         emit_store_dst(jd, iptr, d);
 735                         break;
 736
 737                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 738                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 739
 740                         s1 = emit_load_s1(jd, iptr, REG_A0);
 741                         s2 = emit_load_s2(jd, iptr, REG_A1);
 742                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 743                         emit_arithmetic_check(cd, iptr, s2);
 744
 745                         M_INTMOVE(s1, REG_A0);
 746                         M_INTMOVE(s2, REG_A1);
 747                         bte = iptr->sx.s23.s3.bte;
 748                         disp = dseg_add_functionptr(cd, bte->fp);
 749                         M_ALD(REG_PV, REG_PV, disp);
 750                         M_JSR(REG_RA, REG_PV);
 751                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 752                         M_LDA(REG_PV, REG_RA, -disp);
 753
 754                         M_INTMOVE(REG_RESULT, d);
 755                         emit_store_dst(jd, iptr, d);
 756                         break;
 757
 758                 case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 759                 case ICMD_LDIVPOW2:   /* val.i = constant                             */
 760
 761                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 762                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 763                         if (iptr->sx.val.i <= 15) {
 764                                 M_LDA(REG_ITMP2, s1, (1 << iptr->sx.val.i) -1);
 765                                 M_CMOVGE(s1, s1, REG_ITMP2);
 766                         } else {
 767                                 M_SRA_IMM(s1, 63, REG_ITMP2);
 768                                 M_SRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 769                                 M_LADD(s1, REG_ITMP2, REG_ITMP2);
 770                         }
 771                         M_SRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 772                         emit_store_dst(jd, iptr, d);
 773                         break;
 774
 775                 case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 776
 777                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 778                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 779                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 780                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 781                         M_SLL(s1, REG_ITMP3, d);
 782                         M_IADD(d, REG_ZERO, d);
 783                         emit_store_dst(jd, iptr, d);
 784                         break;
 785
 786                 case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
 787                                       /* sx.val.i = constant                             */
 788
 789                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 790                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 791                         M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
 792                         M_IADD(d, REG_ZERO, d);
 793                         emit_store_dst(jd, iptr, d);
 794                         break;
 795
 796                 case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 797
 798                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 799                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 800                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 801                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 802                         M_SRA(s1, REG_ITMP3, d);
 803                         emit_store_dst(jd, iptr, d);
 804                         break;
 805
 806                 case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
 807                                       /* sx.val.i = constant                             */
 808
 809                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 810                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 811                         M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
 812                         emit_store_dst(jd, iptr, d);
 813                         break;
 814
 815                 case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 816
 817                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 818                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 819                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 820                         M_AND_IMM(s2, 0x1f, REG_ITMP2);
 821             M_IZEXT(s1, d);
 822                         M_SRL(d, REG_ITMP2, d);
 823                         M_IADD(d, REG_ZERO, d);
 824                         emit_store_dst(jd, iptr, d);
 825                         break;
 826
 827                 case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 828                                       /* sx.val.i = constant                             */
 829
 830                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 831                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 832             M_IZEXT(s1, d);
 833                         M_SRL_IMM(d, iptr->sx.val.i & 0x1f, d);
 834                         M_IADD(d, REG_ZERO, d);
 835                         emit_store_dst(jd, iptr, d);
 836                         break;
 837
 838                 case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 839
 840                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 841                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 842                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 843                         M_SLL(s1, s2, d);
 844                         emit_store_dst(jd, iptr, d);
 845                         break;
 846
 847                 case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
 848                                       /* sx.val.i = constant                             */
 849
 850                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 851                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 852                         M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 853                         emit_store_dst(jd, iptr, d);
 854                         break;
 855
 856                 case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 857
 858                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 859                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 860                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 861                         M_SRA(s1, s2, d);
 862                         emit_store_dst(jd, iptr, d);
 863                         break;
 864
 865                 case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
 866                                       /* sx.val.i = constant                             */
 867
 868                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 869                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 870                         M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
 871                         emit_store_dst(jd, iptr, d);
 872                         break;
 873
 874                 case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 875
 876                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 877                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 878                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 879                         M_SRL(s1, s2, d);
 880                         emit_store_dst(jd, iptr, d);
 881                         break;
 882
 883                 case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 884                                       /* sx.val.i = constant                             */
 885
 886                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 887                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 888                         M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 889                         emit_store_dst(jd, iptr, d);
 890                         break;
 891
 892                 case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
 893                 case ICMD_LAND:
 894
 895                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 896                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 897                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 898                         M_AND(s1, s2, d);
 899                         emit_store_dst(jd, iptr, d);
 900                         break;
 901
 902                 case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
 903                                       /* sx.val.i = constant                             */
 904
 905                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 906                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 907                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 908                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 909                         } else if (iptr->sx.val.i == 0xffff) {
 910                                 M_CZEXT(s1, d);
 911                         } else if (iptr->sx.val.i == 0xffffff) {
 912                                 M_ZAPNOT_IMM(s1, 0x07, d);
 913                         } else {
 914                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 915                                 M_AND(s1, REG_ITMP2, d);
 916                         }
 917                         emit_store_dst(jd, iptr, d);
 918                         break;
 919
 920                 case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
 921                                       /* sx.val.i = constant                             */
 922
 923                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 924                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 925                         if (s1 == d) {
 926                                 M_MOV(s1, REG_ITMP1);
 927                                 s1 = REG_ITMP1;
 928                         }
 929                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 930                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 931                                 M_BGEZ(s1, 3);
 932                                 M_ISUB(REG_ZERO, s1, d);
 933                                 M_AND_IMM(d, iptr->sx.val.i, d);
 934                         } else if (iptr->sx.val.i == 0xffff) {
 935                                 M_CZEXT(s1, d);
 936                                 M_BGEZ(s1, 3);
 937                                 M_ISUB(REG_ZERO, s1, d);
 938                                 M_CZEXT(d, d);
 939                         } else if (iptr->sx.val.i == 0xffffff) {
 940                                 M_ZAPNOT_IMM(s1, 0x07, d);
 941                                 M_BGEZ(s1, 3);
 942                                 M_ISUB(REG_ZERO, s1, d);
 943                                 M_ZAPNOT_IMM(d, 0x07, d);
 944                         } else {
 945                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 946                                 M_AND(s1, REG_ITMP2, d);
 947                                 M_BGEZ(s1, 3);
 948                                 M_ISUB(REG_ZERO, s1, d);
 949                                 M_AND(d, REG_ITMP2, d);
 950                         }
 951                         M_ISUB(REG_ZERO, d, d);
 952                         emit_store_dst(jd, iptr, d);
 953                         break;
 954
 955                 case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
 956                                       /* sx.val.l = constant                             */
 957
 958                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 959                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 960                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 961                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 962                         } else if (iptr->sx.val.l == 0xffffL) {
 963                                 M_CZEXT(s1, d);
 964                         } else if (iptr->sx.val.l == 0xffffffL) {
 965                                 M_ZAPNOT_IMM(s1, 0x07, d);
 966                         } else if (iptr->sx.val.l == 0xffffffffL) {
 967                                 M_IZEXT(s1, d);
 968                         } else if (iptr->sx.val.l == 0xffffffffffL) {
 969                                 M_ZAPNOT_IMM(s1, 0x1f, d);
 970                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
 971                                 M_ZAPNOT_IMM(s1, 0x3f, d);
 972                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
 973                                 M_ZAPNOT_IMM(s1, 0x7f, d);
 974                         } else {
 975                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 976                                 M_AND(s1, REG_ITMP2, d);
 977                         }
 978                         emit_store_dst(jd, iptr, d);
 979                         break;
 980
 981                 case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
 982                                       /* sx.val.l = constant                             */
 983
 984                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 985                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 986                         if (s1 == d) {
 987                                 M_MOV(s1, REG_ITMP1);
 988                                 s1 = REG_ITMP1;
 989                         }
 990                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 991                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 992                                 M_BGEZ(s1, 3);
 993                                 M_LSUB(REG_ZERO, s1, d);
 994                                 M_AND_IMM(d, iptr->sx.val.l, d);
 995                         } else if (iptr->sx.val.l == 0xffffL) {
 996                                 M_CZEXT(s1, d);
 997                                 M_BGEZ(s1, 3);
 998                                 M_LSUB(REG_ZERO, s1, d);
 999                                 M_CZEXT(d, d);
1000                         } else if (iptr->sx.val.l == 0xffffffL) {
1001                                 M_ZAPNOT_IMM(s1, 0x07, d);
1002                                 M_BGEZ(s1, 3);
1003                                 M_LSUB(REG_ZERO, s1, d);
1004                                 M_ZAPNOT_IMM(d, 0x07, d);
1005                         } else if (iptr->sx.val.l == 0xffffffffL) {
1006                                 M_IZEXT(s1, d);
1007                                 M_BGEZ(s1, 3);
1008                                 M_LSUB(REG_ZERO, s1, d);
1009                                 M_IZEXT(d, d);
1010                         } else if (iptr->sx.val.l == 0xffffffffffL) {
1011                                 M_ZAPNOT_IMM(s1, 0x1f, d);
1012                                 M_BGEZ(s1, 3);
1013                                 M_LSUB(REG_ZERO, s1, d);
1014                                 M_ZAPNOT_IMM(d, 0x1f, d);
1015                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
1016                                 M_ZAPNOT_IMM(s1, 0x3f, d);
1017                                 M_BGEZ(s1, 3);
1018                                 M_LSUB(REG_ZERO, s1, d);
1019                                 M_ZAPNOT_IMM(d, 0x3f, d);
1020                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
1021                                 M_ZAPNOT_IMM(s1, 0x7f, d);
1022                                 M_BGEZ(s1, 3);
1023                                 M_LSUB(REG_ZERO, s1, d);
1024                                 M_ZAPNOT_IMM(d, 0x7f, d);
1025                         } else {
1026                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1027                                 M_AND(s1, REG_ITMP2, d);
1028                                 M_BGEZ(s1, 3);
1029                                 M_LSUB(REG_ZERO, s1, d);
1030                                 M_AND(d, REG_ITMP2, d);
1031                         }
1032                         M_LSUB(REG_ZERO, d, d);
1033                         emit_store_dst(jd, iptr, d);
1034                         break;
1035
1036                 case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1037                 case ICMD_LOR:
1038
1039                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1040                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1041                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1042                         M_OR( s1,s2, d);
1043                         emit_store_dst(jd, iptr, d);
1044                         break;
1045
1046                 case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
1047                                       /* sx.val.i = constant                          */
1048
1049                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1050                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1051                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1052                                 M_OR_IMM(s1, iptr->sx.val.i, d);
1053                         } else {
1054                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1055                                 M_OR(s1, REG_ITMP2, d);
1056                         }
1057                         emit_store_dst(jd, iptr, d);
1058                         break;
1059
1060                 case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
1061                                       /* sx.val.l = constant                          */
1062
1063                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1064                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1065                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1066                                 M_OR_IMM(s1, iptr->sx.val.l, d);
1067                         } else {
1068                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1069                                 M_OR(s1, REG_ITMP2, d);
1070                         }
1071                         emit_store_dst(jd, iptr, d);
1072                         break;
1073
1074                 case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1075                 case ICMD_LXOR:
1076
1077                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1078                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1079                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1080                         M_XOR(s1, s2, d);
1081                         emit_store_dst(jd, iptr, d);
1082                         break;
1083
1084                 case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1085                                       /* sx.val.i = constant                          */
1086
1087                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1088                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1089                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1090                                 M_XOR_IMM(s1, iptr->sx.val.i, d);
1091                         } else {
1092                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1093                                 M_XOR(s1, REG_ITMP2, d);
1094                         }
1095                         emit_store_dst(jd, iptr, d);
1096                         break;
1097
1098                 case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1099                                       /* sx.val.l = constant                          */
1100
1101                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1102                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1103                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1104                                 M_XOR_IMM(s1, iptr->sx.val.l, d);
1105                         } else {
1106                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1107                                 M_XOR(s1, REG_ITMP2, d);
1108                         }
1109                         emit_store_dst(jd, iptr, d);
1110                         break;
1111
1112
1113                 case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
1114
1115                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1116                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1117                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1118                         M_CMPLT(s1, s2, REG_ITMP3);
1119                         M_CMPLT(s2, s1, REG_ITMP1);
1120                         M_LSUB(REG_ITMP1, REG_ITMP3, d);
1121                         emit_store_dst(jd, iptr, d);
1122                         break;
1123
1124
1125                 /* floating operations ************************************************/
1126
1127                 case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
1128
1129                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1130                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1131                         M_FMOVN(s1, d);
1132                         emit_store_dst(jd, iptr, d);
1133                         break;
1134
1135                 case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
1136
1137                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1138                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1139                         M_FMOVN(s1, d);
1140                         emit_store_dst(jd, iptr, d);
1141                         break;
1142
1143                 case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1144
1145                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1146                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1147                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1148                         if (opt_noieee) {
1149                                 M_FADD(s1, s2, d);
1150                         } else {
1151                                 if (d == s1 || d == s2) {
1152                                         M_FADDS(s1, s2, REG_FTMP3);
1153                                         M_TRAPB;
1154                                         M_FMOV(REG_FTMP3, d);
1155                                 } else {
1156                                         M_FADDS(s1, s2, d);
1157                                         M_TRAPB;
1158                                 }
1159                         }
1160                         emit_store_dst(jd, iptr, d);
1161                         break;
1162
1163                 case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1164
1165                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1166                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1167                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1168                         if (opt_noieee) {
1169                                 M_DADD(s1, s2, d);
1170                         } else {
1171                                 if (d == s1 || d == s2) {
1172                                         M_DADDS(s1, s2, REG_FTMP3);
1173                                         M_TRAPB;
1174                                         M_FMOV(REG_FTMP3, d);
1175                                 } else {
1176                                         M_DADDS(s1, s2, d);
1177                                         M_TRAPB;
1178                                 }
1179                         }
1180                         emit_store_dst(jd, iptr, d);
1181                         break;
1182
1183                 case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1184
1185                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1186                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1187                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1188                         if (opt_noieee) {
1189                                 M_FSUB(s1, s2, d);
1190                         } else {
1191                                 if (d == s1 || d == s2) {
1192                                         M_FSUBS(s1, s2, REG_FTMP3);
1193                                         M_TRAPB;
1194                                         M_FMOV(REG_FTMP3, d);
1195                                 } else {
1196                                         M_FSUBS(s1, s2, d);
1197                                         M_TRAPB;
1198                                 }
1199                         }
1200                         emit_store_dst(jd, iptr, d);
1201                         break;
1202
1203                 case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1204
1205                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1206                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1207                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1208                         if (opt_noieee) {
1209                                 M_DSUB(s1, s2, d);
1210                         } else {
1211                                 if (d == s1 || d == s2) {
1212                                         M_DSUBS(s1, s2, REG_FTMP3);
1213                                         M_TRAPB;
1214                                         M_FMOV(REG_FTMP3, d);
1215                                 } else {
1216                                         M_DSUBS(s1, s2, d);
1217                                         M_TRAPB;
1218                                 }
1219                         }
1220                         emit_store_dst(jd, iptr, d);
1221                         break;
1222
1223                 case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
1224
1225                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1226                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1227                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1228                         if (opt_noieee) {
1229                                 M_FMUL(s1, s2, d);
1230                         } else {
1231                                 if (d == s1 || d == s2) {
1232                                         M_FMULS(s1, s2, REG_FTMP3);
1233                                         M_TRAPB;
1234                                         M_FMOV(REG_FTMP3, d);
1235                                 } else {
1236                                         M_FMULS(s1, s2, d);
1237                                         M_TRAPB;
1238                                 }
1239                         }
1240                         emit_store_dst(jd, iptr, d);
1241                         break;
1242
1243                 case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
1244
1245                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1246                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1247                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1248                         if (opt_noieee) {
1249                                 M_DMUL(s1, s2, d);
1250                         } else {
1251                                 if (d == s1 || d == s2) {
1252                                         M_DMULS(s1, s2, REG_FTMP3);
1253                                         M_TRAPB;
1254                                         M_FMOV(REG_FTMP3, d);
1255                                 } else {
1256                                         M_DMULS(s1, s2, d);
1257                                         M_TRAPB;
1258                                 }
1259                         }
1260                         emit_store_dst(jd, iptr, d);
1261                         break;
1262
1263                 case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1264
1265                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1266                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1267                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1268                         if (opt_noieee) {
1269                                 M_FDIV(s1, s2, d);
1270                         } else {
1271                                 if (d == s1 || d == s2) {
1272                                         M_FDIVS(s1, s2, REG_FTMP3);
1273                                         M_TRAPB;
1274                                         M_FMOV(REG_FTMP3, d);
1275                                 } else {
1276                                         M_FDIVS(s1, s2, d);
1277                                         M_TRAPB;
1278                                 }
1279                         }
1280                         emit_store_dst(jd, iptr, d);
1281                         break;
1282
1283                 case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1284
1285                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1286                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1287                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1288                         if (opt_noieee) {
1289                                 M_DDIV(s1, s2, d);
1290                         } else {
1291                                 if (d == s1 || d == s2) {
1292                                         M_DDIVS(s1, s2, REG_FTMP3);
1293                                         M_TRAPB;
1294                                         M_FMOV(REG_FTMP3, d);
1295                                 } else {
1296                                         M_DDIVS(s1, s2, d);
1297                                         M_TRAPB;
1298                                 }
1299                         }
1300                         emit_store_dst(jd, iptr, d);
1301                         break;
1302
1303                 case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
1304                 case ICMD_L2F:
1305                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1306                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1307                         disp = dseg_add_unique_double(cd, 0.0);
1308                         M_LST(s1, REG_PV, disp);
1309                         M_DLD(d, REG_PV, disp);
1310                         M_CVTLF(d, d);
1311                         emit_store_dst(jd, iptr, d);
1312                         break;
1313
1314                 case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
1315                 case ICMD_L2D:
1316                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1317                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1318                         disp = dseg_add_unique_double(cd, 0.0);
1319                         M_LST(s1, REG_PV, disp);
1320                         M_DLD(d, REG_PV, disp);
1321                         M_CVTLD(d, d);
1322                         emit_store_dst(jd, iptr, d);
1323                         break;
1324
1325                 case ICMD_F2I:       /* ..., value  ==> ..., (int) value              */
1326                 case ICMD_D2I:
1327                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1328                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1329                         disp = dseg_add_unique_double(cd, 0.0);
1330                         M_CVTDL_C(s1, REG_FTMP2);
1331                         M_CVTLI(REG_FTMP2, REG_FTMP3);
1332                         M_DST(REG_FTMP3, REG_PV, disp);
1333                         M_ILD(d, REG_PV, disp);
1334                         emit_store_dst(jd, iptr, d);
1335                         break;
1336
1337                 case ICMD_F2L:       /* ..., value  ==> ..., (long) value             */
1338                 case ICMD_D2L:
1339                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1340                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1341                         disp = dseg_add_unique_double(cd, 0.0);
1342                         M_CVTDL_C(s1, REG_FTMP2);
1343                         M_DST(REG_FTMP2, REG_PV, disp);
1344                         M_LLD(d, REG_PV, disp);
1345                         emit_store_dst(jd, iptr, d);
1346                         break;
1347
1348                 case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
1349
1350                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1351                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1352                         M_CVTFDS(s1, d);
1353                         M_TRAPB;
1354                         emit_store_dst(jd, iptr, d);
1355                         break;
1356
1357                 case ICMD_D2F:       /* ..., value  ==> ..., (float) value            */
1358
1359                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1360                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1361                         if (opt_noieee) {
1362                                 M_CVTDF(s1, d);
1363                         } else {
1364                                 M_CVTDFS(s1, d);
1365                                 M_TRAPB;
1366                         }
1367                         emit_store_dst(jd, iptr, d);
1368                         break;
1369
1370                 case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1371                 case ICMD_DCMPL:
1372                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1373                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1374                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1375                         if (opt_noieee) {
1376                                 M_LSUB_IMM(REG_ZERO, 1, d);
1377                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1378                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1379                                 M_CLR   (d);
1380                                 M_FCMPLT(s2, s1, REG_FTMP3);
1381                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1382                                 M_LADD_IMM(REG_ZERO, 1, d);
1383                         } else {
1384                                 M_LSUB_IMM(REG_ZERO, 1, d);
1385                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1386                                 M_TRAPB;
1387                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1388                                 M_CLR   (d);
1389                                 M_FCMPLTS(s2, s1, REG_FTMP3);
1390                                 M_TRAPB;
1391                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1392                                 M_LADD_IMM(REG_ZERO, 1, d);
1393                         }
1394                         emit_store_dst(jd, iptr, d);
1395                         break;
1396
1397                 case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1398                 case ICMD_DCMPG:
1399                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1400                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1401                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1402                         if (opt_noieee) {
1403                                 M_LADD_IMM(REG_ZERO, 1, d);
1404                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1405                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1406                                 M_CLR   (d);
1407                                 M_FCMPLT(s1, s2, REG_FTMP3);
1408                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1409                                 M_LSUB_IMM(REG_ZERO, 1, d);
1410                         } else {
1411                                 M_LADD_IMM(REG_ZERO, 1, d);
1412                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1413                                 M_TRAPB;
1414                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1415                                 M_CLR   (d);
1416                                 M_FCMPLTS(s1, s2, REG_FTMP3);
1417                                 M_TRAPB;
1418                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1419                                 M_LSUB_IMM(REG_ZERO, 1, d);
1420                         }
1421                         emit_store_dst(jd, iptr, d);
1422                         break;
1423
1424
1425                 /* memory operations **************************************************/
1426
1427                 case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
1428
1429                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1430                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1431                         /* implicit null-pointer check */
1432                         M_ILD(d, s1, OFFSET(java_arrayheader, size));
1433                         emit_store_dst(jd, iptr, d);
1434                         break;
1435
1436                 case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
1437
1438                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1439                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1440                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1441                         /* implicit null-pointer check */
1442                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1443                         if (has_ext_instr_set) {
1444                                 M_LADD(s2, s1, REG_ITMP1);
1445                                 M_BLDU(d, REG_ITMP1, OFFSET (java_bytearray, data[0]));
1446                                 M_BSEXT(d, d);
1447                         }
1448                         else {
1449                                 M_LADD(s2, s1, REG_ITMP1);
1450                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1451                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0])+1);
1452                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1453                                 M_SRA_IMM(d, 56, d);
1454                         }
1455                         emit_store_dst(jd, iptr, d);
1456                         break;
1457
1458                 case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
1459
1460                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1461                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1462                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1463                         /* implicit null-pointer check */
1464                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1465                         if (has_ext_instr_set) {
1466                                 M_LADD(s2, s1, REG_ITMP1);
1467                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1468                                 M_SLDU(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
1469                         }
1470                         else {
1471                                 M_LADD (s2, s1, REG_ITMP1);
1472                                 M_LADD (s2, REG_ITMP1, REG_ITMP1);
1473                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1474                                 M_LDA  (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1475                                 M_EXTWL(REG_ITMP2, REG_ITMP1, d);
1476                         }
1477                         emit_store_dst(jd, iptr, d);
1478                         break;
1479
1480                 case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
1481
1482                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1483                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1484                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1485                         /* implicit null-pointer check */
1486                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1487                         if (has_ext_instr_set) {
1488                                 M_LADD(s2, s1, REG_ITMP1);
1489                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1490                                 M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray, data[0]));
1491                                 M_SSEXT(d, d);
1492                         } else {
1493                                 M_LADD(s2, s1, REG_ITMP1);
1494                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1495                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1496                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0])+2);
1497                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1498                                 M_SRA_IMM(d, 48, d);
1499                         }
1500                         emit_store_dst(jd, iptr, d);
1501                         break;
1502
1503                 case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
1504
1505                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1506                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1507                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1508                         /* implicit null-pointer check */
1509                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1510                         M_S4ADDQ(s2, s1, REG_ITMP1);
1511                         M_ILD(d, REG_ITMP1, OFFSET(java_intarray, data[0]));
1512                         emit_store_dst(jd, iptr, d);
1513                         break;
1514
1515                 case ICMD_LALOAD:     /* ..., arrayref, index  ==> ..., value         */
1516
1517                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1518                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1519                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1520                         /* implicit null-pointer check */
1521                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1522                         M_S8ADDQ(s2, s1, REG_ITMP1);
1523                         M_LLD(d, REG_ITMP1, OFFSET(java_longarray, data[0]));
1524                         emit_store_dst(jd, iptr, d);
1525                         break;
1526
1527                 case ICMD_FALOAD:     /* ..., arrayref, index  ==> ..., value         */
1528
1529                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1530                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1531                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1532                         /* implicit null-pointer check */
1533                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1534                         M_S4ADDQ(s2, s1, REG_ITMP1);
1535                         M_FLD(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
1536                         emit_store_dst(jd, iptr, d);
1537                         break;
1538
1539                 case ICMD_DALOAD:     /* ..., arrayref, index  ==> ..., value         */
1540
1541                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1542                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1543                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1544                         /* implicit null-pointer check */
1545                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1546                         M_S8ADDQ(s2, s1, REG_ITMP1);
1547                         M_DLD(d, REG_ITMP1, OFFSET(java_doublearray, data[0]));
1548                         emit_store_dst(jd, iptr, d);
1549                         break;
1550
1551                 case ICMD_AALOAD:     /* ..., arrayref, index  ==> ..., value         */
1552
1553                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1554                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1555                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1556                         /* implicit null-pointer check */
1557                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1558                         M_SAADDQ(s2, s1, REG_ITMP1);
1559                         M_ALD(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1560                         emit_store_dst(jd, iptr, d);
1561                         break;
1562
1563
1564                 case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
1565
1566                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1567                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1568                         /* implicit null-pointer check */
1569                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1570                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1571                         if (has_ext_instr_set) {
1572                                 M_LADD(s2, s1, REG_ITMP1);
1573                                 M_BST(s3, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1574                         }
1575                         else {
1576                                 M_LADD(s2, s1, REG_ITMP1);
1577                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1578                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1579                                 M_INSBL(s3, REG_ITMP1, REG_ITMP3);
1580                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1581                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1582                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1583                         }
1584                         break;
1585
1586                 case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
1587
1588                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1589                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1590                         /* implicit null-pointer check */
1591                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1592                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1593                         if (has_ext_instr_set) {
1594                                 M_LADD(s2, s1, REG_ITMP1);
1595                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1596                                 M_SST(s3, REG_ITMP1, OFFSET(java_chararray, data[0]));
1597                         }
1598                         else {
1599                                 M_LADD(s2, s1, REG_ITMP1);
1600                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1601                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1602                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1603                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1604                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1605                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1606                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1607                         }
1608                         break;
1609
1610                 case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
1611
1612                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1613                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1614                         /* implicit null-pointer check */
1615                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1616                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1617                         if (has_ext_instr_set) {
1618                                 M_LADD(s2, s1, REG_ITMP1);
1619                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1620                                 M_SST(s3, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1621                         }
1622                         else {
1623                                 M_LADD(s2, s1, REG_ITMP1);
1624                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1625                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1626                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1627                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1628                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1629                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1630                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1631                         }
1632                         break;
1633
1634                 case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
1635
1636                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1637                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1638                         /* implicit null-pointer check */
1639                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1640                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1641                         M_S4ADDQ(s2, s1, REG_ITMP1);
1642                         M_IST(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
1643                         break;
1644
1645                 case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
1646
1647                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1648                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1649                         /* implicit null-pointer check */
1650                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1651                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1652                         M_S8ADDQ(s2, s1, REG_ITMP1);
1653                         M_LST(s3, REG_ITMP1, OFFSET(java_longarray, data[0]));
1654                         break;
1655
1656                 case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
1657
1658                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1659                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1660                         /* implicit null-pointer check */
1661                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1662                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1663                         M_S4ADDQ(s2, s1, REG_ITMP1);
1664                         M_FST(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
1665                         break;
1666
1667                 case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
1668
1669                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1670                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1671                         /* implicit null-pointer check */
1672                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1673                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1674                         M_S8ADDQ(s2, s1, REG_ITMP1);
1675                         M_DST(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
1676                         break;
1677
1678                 case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
1679
1680                         s1 = emit_load_s1(jd, iptr, REG_A0);
1681                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1682                         /* implicit null-pointer check */
1683                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1684                         s3 = emit_load_s3(jd, iptr, REG_A1);
1685
1686                         M_INTMOVE(s1, REG_A0);
1687                         M_INTMOVE(s3, REG_A1);
1688
1689                         disp = dseg_add_functionptr(cd, BUILTIN_canstore);
1690                         M_ALD(REG_PV, REG_PV, disp);
1691                         M_JSR(REG_RA, REG_PV);
1692                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
1693                         M_LDA(REG_PV, REG_RA, -disp);
1694                         emit_exception_check(cd, iptr);
1695
1696                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1697                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1698                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1699                         M_SAADDQ(s2, s1, REG_ITMP1);
1700                         M_AST(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1701                         break;
1702
1703
1704                 case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
1705
1706                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1707                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1708                         /* implicit null-pointer check */
1709                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1710                         if (has_ext_instr_set) {
1711                                 M_LADD(s2, s1, REG_ITMP1);
1712                                 M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1713                         }
1714                         else {
1715                                 M_LADD(s2, s1, REG_ITMP1);
1716                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1717                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1718                                 M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1719                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1720                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1721                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1722                         }
1723                         break;
1724
1725                 case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
1726
1727                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1728                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1729                         /* implicit null-pointer check */
1730                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1731                         if (has_ext_instr_set) {
1732                                 M_LADD(s2, s1, REG_ITMP1);
1733                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1734                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray, data[0]));
1735                         }
1736                         else {
1737                                 M_LADD(s2, s1, REG_ITMP1);
1738                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1739                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1740                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1741                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1742                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1743                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1744                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1745                         }
1746                         break;
1747
1748                 case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
1749
1750                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1751                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1752                         /* implicit null-pointer check */
1753                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1754                         if (has_ext_instr_set) {
1755                                 M_LADD(s2, s1, REG_ITMP1);
1756                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1757                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1758                         }
1759                         else {
1760                                 M_LADD(s2, s1, REG_ITMP1);
1761                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1762                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1763                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1764                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1765                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1766                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1767                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1768                         }
1769                         break;
1770
1771                 case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
1772
1773                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1774                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1775                         /* implicit null-pointer check */
1776                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1777                         M_S4ADDQ(s2, s1, REG_ITMP1);
1778                         M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray, data[0]));
1779                         break;
1780
1781                 case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
1782
1783                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1784                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1785                         /* implicit null-pointer check */
1786                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1787                         M_S8ADDQ(s2, s1, REG_ITMP1);
1788                         M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray, data[0]));
1789                         break;
1790
1791                 case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
1792
1793                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1794                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1795                         /* implicit null-pointer check */
1796                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1797                         M_SAADDQ(s2, s1, REG_ITMP1);
1798                         M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1799                         break;
1800
1801
1802                 case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
1803
1804                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1805                                 uf        = iptr->sx.s23.s3.uf;
1806                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1807                                 disp      = dseg_add_unique_address(cd, uf);
1808
1809                                 codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
1810                         }
1811                         else {
1812                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1813                                 fieldtype = fi->type;
1814                                 disp      = dseg_add_address(cd, &(fi->value));
1815
1816                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1817                                         codegen_add_patch_ref(cd, PATCHER_initialize_class, fi->class,
1818                                                                                   0);
1819                         }
1820
1821                         M_ALD(REG_ITMP1, REG_PV, disp);
1822                         switch (fieldtype) {
1823                         case TYPE_INT:
1824                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1825                                 M_ILD(d, REG_ITMP1, 0);
1826                                 break;
1827                         case TYPE_LNG:
1828                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1829                                 M_LLD(d, REG_ITMP1, 0);
1830                                 break;
1831                         case TYPE_ADR:
1832                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1833                                 M_ALD(d, REG_ITMP1, 0);
1834                                 break;
1835                         case TYPE_FLT:
1836                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1837                                 M_FLD(d, REG_ITMP1, 0);
1838                                 break;
1839                         case TYPE_DBL:
1840                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1841                                 M_DLD(d, REG_ITMP1, 0);
1842                                 break;
1843                         }
1844                         emit_store_dst(jd, iptr, d);
1845                         break;
1846
1847                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
1848
1849                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1850                                 uf        = iptr->sx.s23.s3.uf;
1851                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1852                                 disp      = dseg_add_unique_address(cd, uf);
1853
1854                                 codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
1855                         }
1856                         else {
1857                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1858                                 fieldtype = fi->type;
1859                                 disp      = dseg_add_address(cd, &(fi->value));
1860
1861                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1862                                         codegen_add_patch_ref(cd, PATCHER_initialize_class, fi->class,
1863                                                                                   0);
1864                         }
1865
1866                         M_ALD(REG_ITMP1, REG_PV, disp);
1867                         switch (fieldtype) {
1868                         case TYPE_INT:
1869                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1870                                 M_IST(s1, REG_ITMP1, 0);
1871                                 break;
1872                         case TYPE_LNG:
1873                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1874                                 M_LST(s1, REG_ITMP1, 0);
1875                                 break;
1876                         case TYPE_ADR:
1877                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1878                                 M_AST(s1, REG_ITMP1, 0);
1879                                 break;
1880                         case TYPE_FLT:
1881                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1882                                 M_FST(s1, REG_ITMP1, 0);
1883                                 break;
1884                         case TYPE_DBL:
1885                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1886                                 M_DST(s1, REG_ITMP1, 0);
1887                                 break;
1888                         }
1889                         break;
1890
1891                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
1892                                           /* val = value (in current instruction)     */
1893                                           /* following NOP)                           */
1894
1895                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1896                                 uf        = iptr->sx.s23.s3.uf;
1897                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1898                                 disp      = dseg_add_unique_address(cd, uf);
1899
1900                                 codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
1901                         }
1902                         else {
1903                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1904                                 fieldtype = fi->type;
1905                                 disp      = dseg_add_address(cd, &(fi->value));
1906
1907                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1908                                         codegen_add_patch_ref(cd, PATCHER_initialize_class, fi->class,
1909                                                                                   0);
1910                         }
1911
1912                         M_ALD(REG_ITMP1, REG_PV, disp);
1913                         switch (fieldtype) {
1914                         case TYPE_INT:
1915                                 M_IST(REG_ZERO, REG_ITMP1, 0);
1916                                 break;
1917                         case TYPE_LNG:
1918                                 M_LST(REG_ZERO, REG_ITMP1, 0);
1919                                 break;
1920                         case TYPE_ADR:
1921                                 M_AST(REG_ZERO, REG_ITMP1, 0);
1922                                 break;
1923                         case TYPE_FLT:
1924                                 M_FST(REG_ZERO, REG_ITMP1, 0);
1925                                 break;
1926                         case TYPE_DBL:
1927                                 M_DST(REG_ZERO, REG_ITMP1, 0);
1928                                 break;
1929                         }
1930                         break;
1931
1932
1933                 case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
1934
1935                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1936
1937                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1938                                 uf        = iptr->sx.s23.s3.uf;
1939                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1940                                 disp      = 0;
1941
1942                                 codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
1943                         }
1944                         else {
1945                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1946                                 fieldtype = fi->type;
1947                                 disp      = fi->offset;
1948                         }
1949
1950                         /* implicit null-pointer check */
1951                         switch (fieldtype) {
1952                         case TYPE_INT:
1953                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1954                                 M_ILD(d, s1, disp);
1955                                 break;
1956                         case TYPE_LNG:
1957                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1958                                 M_LLD(d, s1, disp);
1959                                 break;
1960                         case TYPE_ADR:
1961                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1962                                 M_ALD(d, s1, disp);
1963                                 break;
1964                         case TYPE_FLT:
1965                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1966                                 M_FLD(d, s1, disp);
1967                                 break;
1968                         case TYPE_DBL:
1969                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1970                                 M_DLD(d, s1, disp);
1971                                 break;
1972                         }
1973                         emit_store_dst(jd, iptr, d);
1974                         break;
1975
1976                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
1977
1978                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1979
1980                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1981                                 uf        = iptr->sx.s23.s3.uf;
1982                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1983                                 disp      = 0;
1984                         }
1985                         else {
1986                                 uf        = NULL;
1987                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1988                                 fieldtype = fi->type;
1989                                 disp      = fi->offset;
1990                         }
1991
1992                         if (IS_INT_LNG_TYPE(fieldtype))
1993                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1994                         else
1995                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1996
1997                         if (INSTRUCTION_IS_UNRESOLVED(iptr))
1998                                 codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
1999
2000                         /* implicit null-pointer check */
2001                         switch (fieldtype) {
2002                         case TYPE_INT:
2003                                 M_IST(s2, s1, disp);
2004                                 break;
2005                         case TYPE_LNG:
2006                                 M_LST(s2, s1, disp);
2007                                 break;
2008                         case TYPE_ADR:
2009                                 M_AST(s2, s1, disp);
2010                                 break;
2011                         case TYPE_FLT:
2012                                 M_FST(s2, s1, disp);
2013                                 break;
2014                         case TYPE_DBL:
2015                                 M_DST(s2, s1, disp);
2016                                 break;
2017                         }
2018                         break;
2019
2020                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
2021                                           /* val = value (in current instruction)     */
2022                                           /* following NOP)                           */
2023
2024                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2025
2026                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2027                                 uf        = iptr->sx.s23.s3.uf;
2028                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2029                                 disp      = 0;
2030
2031                                 codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
2032                         }
2033                         else {
2034                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
2035                                 fieldtype = fi->type;
2036                                 disp      = fi->offset;
2037                         }
2038
2039                         /* implicit null-pointer check */
2040                         switch (fieldtype) {
2041                         case TYPE_INT:
2042                                 M_IST(REG_ZERO, s1, disp);
2043                                 break;
2044                         case TYPE_LNG:
2045                                 M_LST(REG_ZERO, s1, disp);
2046                                 break;
2047                         case TYPE_ADR:
2048                                 M_AST(REG_ZERO, s1, disp);
2049                                 break;
2050                         case TYPE_FLT:
2051                                 M_FST(REG_ZERO, s1, disp);
2052                                 break;
2053                         case TYPE_DBL:
2054                                 M_DST(REG_ZERO, s1, disp);
2055                                 break;
2056                         }
2057                         break;
2058
2059
2060                 /* branch operations **************************************************/
2061
2062                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2063
2064                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2065                         M_INTMOVE(s1, REG_ITMP1_XPTR);
2066
2067 #ifdef ENABLE_VERIFIER
2068                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2069                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2070
2071                                 codegen_add_patch_ref(cd, PATCHER_resolve_class, uc, 0);
2072                         }
2073 #endif /* ENABLE_VERIFIER */
2074
2075                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2076                         M_ALD(REG_ITMP2, REG_PV, disp);
2077                         M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2078                         M_NOP;              /* nop ensures that XPC is less than the end */
2079                                             /* of basic block                            */
2080                         ALIGNCODENOP;
2081                         break;
2082
2083                 case ICMD_GOTO:         /* ... ==> ...                                */
2084                 case ICMD_RET:          /* ... ==> ...                                */
2085
2086                         emit_br(cd, iptr->dst.block);
2087                         ALIGNCODENOP;
2088                         break;
2089
2090                 case ICMD_JSR:          /* ... ==> ...                                */
2091
2092                         emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
2093                         ALIGNCODENOP;
2094                         break;
2095
2096                 case ICMD_IFNULL:       /* ..., value ==> ...                         */
2097                 case ICMD_IFNONNULL:
2098
2099                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2100                         emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
2101                         break;
2102
2103                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2104
2105                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2106                         if (iptr->sx.val.i == 0)
2107                                 emit_beqz(cd, iptr->dst.block, s1);
2108                         else {
2109                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2110                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2111                                 else {
2112                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2113                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2114                                 }
2115                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2116                         }
2117                         break;
2118
2119                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2120
2121                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2122                         if (iptr->sx.val.i == 0)
2123                                 emit_bltz(cd, iptr->dst.block, s1);
2124                         else {
2125                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2126                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2127                                 else {
2128                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2129                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2130                                 }
2131                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2132                         }
2133                         break;
2134
2135                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2136
2137                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2138                         if (iptr->sx.val.i == 0)
2139                                 emit_blez(cd, iptr->dst.block, s1);
2140                         else {
2141                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2142                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2143                                 else {
2144                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2145                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2146                                 }
2147                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2148                         }
2149                         break;
2150
2151                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2152
2153                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2154                         if (iptr->sx.val.i == 0)
2155                                 emit_bnez(cd, iptr->dst.block, s1);
2156                         else {
2157                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2158                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2159                                 else {
2160                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2161                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2162                                 }
2163                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2164                         }
2165                         break;
2166
2167                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2168
2169                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2170                         if (iptr->sx.val.i == 0)
2171                                 emit_bgtz(cd, iptr->dst.block, s1);
2172                         else {
2173                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2174                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2175                                 else {
2176                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2177                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2178                                 }
2179                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2180                         }
2181                         break;
2182
2183                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2184
2185                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2186                         if (iptr->sx.val.i == 0)
2187                                 emit_bgez(cd, iptr->dst.block, s1);
2188                         else {
2189                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2190                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2191                                 else {
2192                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2193                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2194                                 }
2195                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2196                         }
2197                         break;
2198
2199                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2200
2201                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2202                         if (iptr->sx.val.l == 0)
2203                                 emit_beqz(cd, iptr->dst.block, s1);
2204                         else {
2205                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2206                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2207                                 else {
2208                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2209                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2210                                 }
2211                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2212                         }
2213                         break;
2214
2215                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2216
2217                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2218                         if (iptr->sx.val.l == 0)
2219                                 emit_bltz(cd, iptr->dst.block, s1);
2220                         else {
2221                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2222                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2223                                 else {
2224                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2225                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2226                                 }
2227                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2228                         }
2229                         break;
2230
2231                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2232
2233                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2234                         if (iptr->sx.val.l == 0)
2235                                 emit_blez(cd, iptr->dst.block, s1);
2236                         else {
2237                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2238                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2239                                 else {
2240                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2241                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2242                                 }
2243                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2244                         }
2245                         break;
2246
2247                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2248
2249                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2250                         if (iptr->sx.val.l == 0)
2251                                 emit_bnez(cd, iptr->dst.block, s1);
2252                         else {
2253                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2254                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2255                                 else {
2256                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2257                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2258                                 }
2259                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2260                         }
2261                         break;
2262
2263                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2264
2265                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2266                         if (iptr->sx.val.l == 0)
2267                                 emit_bgtz(cd, iptr->dst.block, s1);
2268                         else {
2269                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2270                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2271                                 else {
2272                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2273                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2274                                 }
2275                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2276                         }
2277                         break;
2278
2279                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2280
2281                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2282                         if (iptr->sx.val.l == 0)
2283                                 emit_bgez(cd, iptr->dst.block, s1);
2284                         else {
2285                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2286                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2287                                 else {
2288                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2289                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2290                                 }
2291                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2292                         }
2293                         break;
2294
2295                 case ICMD_IF_ICMPEQ:    /* ..., value, value ==> ...                  */
2296                 case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
2297                 case ICMD_IF_ACMPEQ:
2298
2299                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2300                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2301                         M_CMPEQ(s1, s2, REG_ITMP1);
2302                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2303                         break;
2304
2305                 case ICMD_IF_ICMPNE:    /* ..., value, value ==> ...                  */
2306                 case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
2307                 case ICMD_IF_ACMPNE:
2308
2309                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2310                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2311                         M_CMPEQ(s1, s2, REG_ITMP1);
2312                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2313                         break;
2314
2315                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2316                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2317
2318                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2319                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2320                         M_CMPLT(s1, s2, REG_ITMP1);
2321                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2322                         break;
2323
2324                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2325                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2326
2327                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2328                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2329                         M_CMPLE(s1, s2, REG_ITMP1);
2330                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2331                         break;
2332
2333                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2334                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2335
2336                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2337                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2338                         M_CMPLE(s1, s2, REG_ITMP1);
2339                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2340                         break;
2341
2342                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2343                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2344
2345                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2346                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2347                         M_CMPLT(s1, s2, REG_ITMP1);
2348                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2349                         break;
2350
2351
2352                 case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
2353                 case ICMD_LRETURN:
2354
2355                         REPLACEMENT_POINT_RETURN(cd, iptr);
2356                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2357                         M_INTMOVE(s1, REG_RESULT);
2358                         goto nowperformreturn;
2359
2360                 case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
2361
2362                         REPLACEMENT_POINT_RETURN(cd, iptr);
2363                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2364                         M_INTMOVE(s1, REG_RESULT);
2365
2366 #ifdef ENABLE_VERIFIER
2367                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2368                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2369
2370                                 codegen_add_patch_ref(cd, PATCHER_resolve_class, uc, 0);
2371                         }
2372 #endif /* ENABLE_VERIFIER */
2373                         goto nowperformreturn;
2374
2375                 case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
2376                 case ICMD_DRETURN:
2377
2378                         REPLACEMENT_POINT_RETURN(cd, iptr);
2379                         s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2380                         M_FLTMOVE(s1, REG_FRESULT);
2381                         goto nowperformreturn;
2382
2383                 case ICMD_RETURN:       /* ...  ==> ...                               */
2384
2385                         REPLACEMENT_POINT_RETURN(cd, iptr);
2386
2387 nowperformreturn:
2388                         {
2389                         s4 i, p;
2390
2391                         p = cd->stackframesize;
2392
2393                         /* call trace function */
2394
2395 #if !defined(NDEBUG)
2396                         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2397                                 emit_verbosecall_exit(jd);
2398 #endif
2399
2400 #if defined(ENABLE_THREADS)
2401                         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2402                                 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2403
2404                                 switch (iptr->opc) {
2405                                 case ICMD_IRETURN:
2406                                 case ICMD_LRETURN:
2407                                 case ICMD_ARETURN:
2408                                         M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2409                                         break;
2410                                 case ICMD_FRETURN:
2411                                 case ICMD_DRETURN:
2412                                         M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2413                                         break;
2414                                 }
2415
2416                                 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2417                                 M_ALD(REG_PV, REG_PV, disp);
2418                                 M_JSR(REG_RA, REG_PV);
2419                                 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2420                                 M_LDA(REG_PV, REG_RA, disp);
2421
2422                                 switch (iptr->opc) {
2423                                 case ICMD_IRETURN:
2424                                 case ICMD_LRETURN:
2425                                 case ICMD_ARETURN:
2426                                         M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2427                                         break;
2428                                 case ICMD_FRETURN:
2429                                 case ICMD_DRETURN:
2430                                         M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2431                                         break;
2432                                 }
2433                         }
2434 #endif
2435
2436                         /* restore return address                                         */
2437
2438                         if (!jd->isleafmethod) {
2439                                 p--; M_LLD(REG_RA, REG_SP, p * 8);
2440                         }
2441
2442                         /* restore saved registers                                        */
2443
2444                         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2445                                 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2446                         }
2447                         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2448                                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2449                         }
2450
2451                         /* deallocate stack                                               */
2452
2453                         if (cd->stackframesize)
2454                                 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2455
2456                         M_RET(REG_ZERO, REG_RA);
2457                         ALIGNCODENOP;
2458                         }
2459                         break;
2460
2461
2462                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2463                         {
2464                         s4 i, l;
2465                         branch_target_t *table;
2466
2467                         table = iptr->dst.table;
2468
2469                         l = iptr->sx.s23.s2.tablelow;
2470                         i = iptr->sx.s23.s3.tablehigh;
2471
2472                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2473                         if (l == 0) {
2474                                 M_INTMOVE(s1, REG_ITMP1);
2475                         } else if (l <= 32768) {
2476                                 M_LDA(REG_ITMP1, s1, -l);
2477                         } else {
2478                                 ICONST(REG_ITMP2, l);
2479                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2480                         }
2481
2482                         /* number of targets */
2483                         i = i - l + 1;
2484
2485                         /* range check */
2486
2487                         if (i <= 256)
2488                                 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2489                         else {
2490                                 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2491                                 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2492                         }
2493                         emit_beqz(cd, table[0].block, REG_ITMP2);
2494
2495                         /* build jump table top down and use address of lowest entry */
2496
2497                         table += i;
2498
2499                         while (--i >= 0) {
2500                                 dseg_add_target(cd, table->block);
2501                                 --table;
2502                         }
2503                         }
2504
2505                         /* length of dataseg after last dseg_add_target is used by load */
2506
2507                         M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2508                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2509                         M_JMP(REG_ZERO, REG_ITMP2);
2510                         ALIGNCODENOP;
2511                         break;
2512
2513
2514                 case ICMD_LOOKUPSWITCH: /* ..., key ==> ...                           */
2515                         {
2516                         s4 i, val;
2517                         lookup_target_t *lookup;
2518
2519                         lookup = iptr->dst.lookup;
2520
2521                         i = iptr->sx.s23.s2.lookupcount;
2522
2523                         MCODECHECK((i<<2)+8);
2524                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2525
2526                         while (--i >= 0) {
2527                                 val = lookup->value;
2528                                 if ((val >= 0) && (val <= 255)) {
2529                                         M_CMPEQ_IMM(s1, val, REG_ITMP2);
2530                                 } else {
2531                                         if ((val >= -32768) && (val <= 32767)) {
2532                                                 M_LDA(REG_ITMP2, REG_ZERO, val);
2533                                         } else {
2534                                                 disp = dseg_add_s4(cd, val);
2535                                                 M_ILD(REG_ITMP2, REG_PV, disp);
2536                                         }
2537                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2538                                 }
2539                                 emit_bnez(cd, lookup->target.block, REG_ITMP2);
2540                                 lookup++;
2541                         }
2542
2543                         emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2544                         ALIGNCODENOP;
2545                         break;
2546                         }
2547
2548
2549                 case ICMD_BUILTIN:      /* ..., arg1, arg2, arg3 ==> ...              */
2550
2551                         bte = iptr->sx.s23.s3.bte;
2552                         md  = bte->md;
2553                         goto gen_method;
2554
2555                 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
2556
2557                 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2558                 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
2559                 case ICMD_INVOKEINTERFACE:
2560
2561                         REPLACEMENT_POINT_INVOKE(cd, iptr);
2562
2563                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2564                                 lm = NULL;
2565                                 um = iptr->sx.s23.s3.um;
2566                                 md = um->methodref->parseddesc.md;
2567                         }
2568                         else {
2569                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2570                                 um = NULL;
2571                                 md = lm->parseddesc;
2572                         }
2573
2574 gen_method:
2575                         s3 = md->paramcount;
2576
2577                         MCODECHECK((s3 << 1) + 64);
2578
2579                         /* copy arguments to registers or stack location                  */
2580
2581                         for (s3 = s3 - 1; s3 >= 0; s3--) {
2582                                 var = VAR(iptr->sx.s23.s2.args[s3]);
2583
2584                                 /* Already Preallocated (ARGVAR) ? */
2585                                 if (var->flags & PREALLOC)
2586                                         continue;
2587
2588                                 if (IS_INT_LNG_TYPE(var->type)) {
2589                                         if (!md->params[s3].inmemory) {
2590                                                 s1 = rd->argintregs[md->params[s3].regoff];
2591                                                 d = emit_load(jd, iptr, var, s1);
2592                                                 M_INTMOVE(d, s1);
2593                                         }
2594                                         else {
2595                                                 d = emit_load(jd, iptr, var, REG_ITMP1);
2596                                                 M_LST(d, REG_SP, md->params[s3].regoff * 8);
2597                                         }
2598                                 }
2599                                 else {
2600                                         if (!md->params[s3].inmemory) {
2601                                                 s1 = rd->argfltregs[md->params[s3].regoff];
2602                                                 d = emit_load(jd, iptr, var, s1);
2603                                                 M_FLTMOVE(d, s1);
2604                                         }
2605                                         else {
2606                                                 d = emit_load(jd, iptr, var, REG_FTMP1);
2607                                                 M_DST(d, REG_SP, md->params[s3].regoff * 8);
2608                                         }
2609                                 }
2610                         }
2611
2612                         switch (iptr->opc) {
2613                         case ICMD_BUILTIN:
2614                                 disp = dseg_add_functionptr(cd, bte->fp);
2615
2616                                 M_ALD(REG_PV, REG_PV, disp);  /* Pointer to built-in-function */
2617
2618                                 /* generate the actual call */
2619
2620                                 M_JSR(REG_RA, REG_PV);
2621                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2622                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2623                                 M_LDA(REG_PV, REG_RA, -disp);
2624
2625                                 emit_exception_check(cd, iptr);
2626                                 break;
2627
2628                         case ICMD_INVOKESPECIAL:
2629                                 emit_nullpointer_check(cd, iptr, REG_A0);
2630                                 /* fall-through */
2631
2632                         case ICMD_INVOKESTATIC:
2633                                 if (lm == NULL) {
2634                                         disp = dseg_add_unique_address(cd, um);
2635
2636                                         codegen_add_patch_ref(cd, PATCHER_invokestatic_special,
2637                                                                                   um, disp);
2638                                 }
2639                                 else
2640                                         disp = dseg_add_address(cd, lm->stubroutine);
2641
2642                                 M_ALD(REG_PV, REG_PV, disp);         /* method pointer in r27 */
2643
2644                                 /* generate the actual call */
2645
2646                                 M_JSR(REG_RA, REG_PV);
2647                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2648                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2649                                 M_LDA(REG_PV, REG_RA, -disp);
2650                                 break;
2651
2652                         case ICMD_INVOKEVIRTUAL:
2653                                 if (lm == NULL) {
2654                                         codegen_add_patch_ref(cd, PATCHER_invokevirtual, um, 0);
2655
2656                                         s1 = 0;
2657                                 }
2658                                 else
2659                                         s1 = OFFSET(vftbl_t, table[0]) +
2660                                                 sizeof(methodptr) * lm->vftblindex;
2661
2662                                 /* implicit null-pointer check */
2663                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
2664                                 M_ALD(REG_PV, REG_METHODPTR, s1);
2665
2666                                 /* generate the actual call */
2667
2668                                 M_JSR(REG_RA, REG_PV);
2669                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2670                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2671                                 M_LDA(REG_PV, REG_RA, -disp);
2672                                 break;
2673
2674                         case ICMD_INVOKEINTERFACE:
2675                                 if (lm == NULL) {
2676                                         codegen_add_patch_ref(cd, PATCHER_invokeinterface, um, 0);
2677
2678                                         s1 = 0;
2679                                         s2 = 0;
2680                                 }
2681                                 else {
2682                                         s1 = OFFSET(vftbl_t, interfacetable[0]) -
2683                                                 sizeof(methodptr*) * lm->class->index;
2684
2685                                         s2 = sizeof(methodptr) * (lm - lm->class->methods);
2686                                 }
2687
2688                                 /* implicit null-pointer check */
2689                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
2690                                 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2691                                 M_ALD(REG_PV, REG_METHODPTR, s2);
2692
2693                                 /* generate the actual call */
2694
2695                                 M_JSR(REG_RA, REG_PV);
2696                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2697                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2698                                 M_LDA(REG_PV, REG_RA, -disp);
2699                                 break;
2700                         }
2701
2702                         /* store the return value */
2703
2704                         d = md->returntype.type;
2705
2706                         if (d != TYPE_VOID) {
2707                                 if (IS_INT_LNG_TYPE(d)) {
2708                                         s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2709                                         M_INTMOVE(REG_RESULT, s1);
2710                                 }
2711                                 else {
2712                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2713                                         M_FLTMOVE(REG_FRESULT, s1);
2714                                 }
2715                                 emit_store_dst(jd, iptr, s1);
2716                         }
2717                         break;
2718
2719
2720                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
2721
2722                                       /* val.a: (classinfo*) superclass               */
2723
2724                         /*  superclass is an interface:
2725                          *
2726                          *  OK if ((sub == NULL) ||
2727                          *         (sub->vftbl->interfacetablelength > super->index) &&
2728                          *         (sub->vftbl->interfacetable[-super->index] != NULL));
2729                          *
2730                          *  superclass is a class:
2731                          *
2732                          *  OK if ((sub == NULL) || (0
2733                          *         <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2734                          *         super->vftbl->diffval));
2735                          */
2736
2737                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2738                                 /* object type cast-check */
2739
2740                                 classinfo *super;
2741                                 vftbl_t   *supervftbl;
2742                                 s4         superindex;
2743
2744                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2745                                         super = NULL;
2746                                         superindex = 0;
2747                                         supervftbl = NULL;
2748                                 }
2749                                 else {
2750                                         super = iptr->sx.s23.s3.c.cls;
2751                                         superindex = super->index;
2752                                         supervftbl = super->vftbl;
2753                                 }
2754
2755 #if defined(ENABLE_THREADS)
2756                                 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
2757 #endif
2758                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2759
2760                                 /* if class is not resolved, check which code to call */
2761
2762                                 if (super == NULL) {
2763                                         emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2764
2765                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
2766
2767                                         codegen_add_patch_ref(cd, PATCHER_resolve_classref_to_flags,
2768                                                                                   iptr->sx.s23.s3.c.ref,
2769                                                                                   disp);
2770
2771                                         M_ILD(REG_ITMP2, REG_PV, disp);
2772                                         disp = dseg_add_s4(cd, ACC_INTERFACE);
2773                                         M_ILD(REG_ITMP3, REG_PV, disp);
2774                                         M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2775                                         emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
2776                                 }
2777
2778                                 /* interface checkcast code */
2779
2780                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2781                                         if (super == NULL) {
2782                                                 codegen_add_patch_ref(cd,
2783                                                                                           PATCHER_checkcast_interface,
2784                                                                                           iptr->sx.s23.s3.c.ref,
2785                                                                                           0);
2786                                         }
2787                                         else
2788                                                 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2789
2790                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2791                                         M_ILD(REG_ITMP3, REG_ITMP2,
2792                                                   OFFSET(vftbl_t, interfacetablelength));
2793                                         M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2794                                         emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2795
2796                                         M_ALD(REG_ITMP3, REG_ITMP2,
2797                                                   (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2798                                                                 superindex * sizeof(methodptr*)));
2799                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2800
2801                                         if (super == NULL)
2802                                                 emit_label_br(cd, BRANCH_LABEL_4);
2803                                         else
2804                                                 emit_label(cd, BRANCH_LABEL_3);
2805                                 }
2806
2807                                 /* class checkcast code */
2808
2809                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2810                                         if (super == NULL) {
2811                                                 emit_label(cd, BRANCH_LABEL_2);
2812
2813                                                 disp = dseg_add_unique_address(cd, NULL);
2814
2815                                                 codegen_add_patch_ref(cd,
2816                                                                                           PATCHER_resolve_classref_to_vftbl,
2817                                                                                           iptr->sx.s23.s3.c.ref,
2818                                                                                           disp);
2819                                         }
2820                                         else {
2821                                                 disp = dseg_add_address(cd, supervftbl);
2822
2823                                                 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2824                                         }
2825
2826                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2827                                         M_ALD(REG_ITMP3, REG_PV, disp);
2828 #if defined(ENABLE_THREADS)
2829                                         codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
2830 #endif
2831                                         M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2832                                         /*                              if (s1 != REG_ITMP1) { */
2833                                         /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
2834                                         /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
2835                                         /*  #if defined(ENABLE_THREADS) */
2836                                         /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
2837                                         /*  #endif */
2838                                         /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
2839
2840                                         /*                              } else { */
2841                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
2842                                         M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2843                                         M_ALD(REG_ITMP3, REG_PV, disp);
2844                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
2845 #if defined(ENABLE_THREADS)
2846                                         codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
2847 #endif
2848                                         /*                              } */
2849                                         M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2850                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2851
2852                                         if (super != NULL)
2853                                                 emit_label(cd, BRANCH_LABEL_5);
2854                                 }
2855
2856                                 if (super == NULL) {
2857                                         emit_label(cd, BRANCH_LABEL_1);
2858                                         emit_label(cd, BRANCH_LABEL_4);
2859                                 }
2860
2861                                 d = codegen_reg_of_dst(jd, iptr, s1);
2862                         }
2863                         else {
2864                                 /* array type cast-check */
2865
2866                                 s1 = emit_load_s1(jd, iptr, REG_A0);
2867                                 M_INTMOVE(s1, REG_A0);
2868
2869                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2870                                         disp = dseg_add_unique_address(cd, NULL);
2871
2872                                         codegen_add_patch_ref(cd,
2873                                                                                   PATCHER_resolve_classref_to_classinfo,
2874                                                                                   iptr->sx.s23.s3.c.ref,
2875                                                                                   disp);
2876                                 }
2877                                 else
2878                                         disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2879
2880                                 M_ALD(REG_A1, REG_PV, disp);
2881                                 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2882                                 M_ALD(REG_PV, REG_PV, disp);
2883                                 M_JSR(REG_RA, REG_PV);
2884                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2885                                 M_LDA(REG_PV, REG_RA, -disp);
2886
2887                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2888                                 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2889
2890                                 d = codegen_reg_of_dst(jd, iptr, s1);
2891                         }
2892
2893                         M_INTMOVE(s1, d);
2894                         emit_store_dst(jd, iptr, d);
2895                         break;
2896
2897                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
2898
2899                                       /* val.a: (classinfo*) superclass               */
2900
2901                         /*  superclass is an interface:
2902                          *
2903                          *  return (sub != NULL) &&
2904                          *         (sub->vftbl->interfacetablelength > super->index) &&
2905                          *         (sub->vftbl->interfacetable[-super->index] != NULL);
2906                          *
2907                          *  superclass is a class:
2908                          *
2909                          *  return ((sub != NULL) && (0
2910                          *          <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2911                          *          super->vftbl->diffvall));
2912                          */
2913
2914                         {
2915                         classinfo *super;
2916                         vftbl_t   *supervftbl;
2917                         s4         superindex;
2918
2919                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2920                                 super = NULL;
2921                                 superindex = 0;
2922                                 supervftbl = NULL;
2923
2924                         } else {
2925                                 super = iptr->sx.s23.s3.c.cls;
2926                                 superindex = super->index;
2927                                 supervftbl = super->vftbl;
2928                         }
2929
2930 #if defined(ENABLE_THREADS)
2931                         codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
2932 #endif
2933                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2934                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2935
2936                         if (s1 == d) {
2937                                 M_MOV(s1, REG_ITMP1);
2938                                 s1 = REG_ITMP1;
2939                         }
2940
2941                         /* if class is not resolved, check which code to call */
2942
2943                         if (super == NULL) {
2944                                 M_CLR(d);
2945                                 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2946
2947                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
2948
2949                                 codegen_add_patch_ref(cd, PATCHER_resolve_classref_to_flags,
2950                                                                           iptr->sx.s23.s3.c.ref, disp);
2951
2952                                 M_ILD(REG_ITMP3, REG_PV, disp);
2953
2954                                 disp = dseg_add_s4(cd, ACC_INTERFACE);
2955                                 M_ILD(REG_ITMP2, REG_PV, disp);
2956                                 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2957                                 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
2958                         }
2959
2960                         /* interface instanceof code */
2961
2962                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2963                                 if (super == NULL) {
2964                                         /* If d == REG_ITMP2, then it's destroyed in check
2965                                            code above. */
2966                                         if (d == REG_ITMP2)
2967                                                 M_CLR(d);
2968
2969                                         codegen_add_patch_ref(cd,
2970                                                                                   PATCHER_instanceof_interface,
2971                                                                                   iptr->sx.s23.s3.c.ref, 0);
2972                                 }
2973                                 else {
2974                                         M_CLR(d);
2975                                         emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2976                                 }
2977
2978                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
2979                                 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2980                                 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2981                                 M_BLEZ(REG_ITMP3, 2);
2982                                 M_ALD(REG_ITMP1, REG_ITMP1,
2983                                           (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2984                                                         superindex * sizeof(methodptr*)));
2985                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
2986
2987                                 if (super == NULL)
2988                                         emit_label_br(cd, BRANCH_LABEL_4);
2989                                 else
2990                                         emit_label(cd, BRANCH_LABEL_3);
2991                         }
2992
2993                         /* class instanceof code */
2994
2995                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2996                                 if (super == NULL) {
2997                                         emit_label(cd, BRANCH_LABEL_2);
2998
2999                                         disp = dseg_add_unique_address(cd, NULL);
3000
3001                                         codegen_add_patch_ref(cd, PATCHER_resolve_classref_to_vftbl,
3002                                                                                   iptr->sx.s23.s3.c.ref,
3003                                                                                   disp);
3004                                 }
3005                                 else {
3006                                         disp = dseg_add_address(cd, supervftbl);
3007
3008                                         M_CLR(d);
3009                                         emit_label_beqz(cd, BRANCH_LABEL_5, s1);
3010                                 }
3011
3012                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3013                                 M_ALD(REG_ITMP2, REG_PV, disp);
3014 #if defined(ENABLE_THREADS)
3015                                 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3016 #endif
3017                                 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
3018                                 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3019                                 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3020 #if defined(ENABLE_THREADS)
3021                                 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3022 #endif
3023                                 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3024                                 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
3025
3026                                 if (super != NULL)
3027                                         emit_label(cd, BRANCH_LABEL_5);
3028                         }
3029
3030                         if (super == NULL) {
3031                                 emit_label(cd, BRANCH_LABEL_1);
3032                                 emit_label(cd, BRANCH_LABEL_4);
3033                         }
3034
3035                         emit_store_dst(jd, iptr, d);
3036                         }
3037                         break;
3038
3039                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
3040
3041                         /* check for negative sizes and copy sizes to stack if necessary  */
3042
3043                         MCODECHECK((iptr->s1.argcount << 1) + 64);
3044
3045                         for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
3046
3047                                 var = VAR(iptr->sx.s23.s2.args[s1]);
3048
3049                                 /* copy SAVEDVAR sizes to stack */
3050
3051                                 /* Already Preallocated? */
3052
3053                                 if (!(var->flags & PREALLOC)) {
3054                                         s2 = emit_load(jd, iptr, var, REG_ITMP1);
3055                                         M_LST(s2, REG_SP, s1 * 8);
3056                                 }
3057                         }
3058
3059                         /* a0 = dimension count */
3060
3061                         ICONST(REG_A0, iptr->s1.argcount);
3062
3063                         /* is patcher function set? */
3064
3065                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3066                                 disp = dseg_add_unique_address(cd, 0);
3067
3068                                 codegen_add_patch_ref(cd, PATCHER_resolve_classref_to_classinfo,
3069                                                                           iptr->sx.s23.s3.c.ref,
3070                                                                           disp);
3071                         }
3072                         else
3073                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3074
3075                         /* a1 = arraydescriptor */
3076
3077                         M_ALD(REG_A1, REG_PV, disp);
3078
3079                         /* a2 = pointer to dimensions = stack pointer */
3080
3081                         M_INTMOVE(REG_SP, REG_A2);
3082
3083                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3084                         M_ALD(REG_PV, REG_PV, disp);
3085                         M_JSR(REG_RA, REG_PV);
3086                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3087                         M_LDA(REG_PV, REG_RA, -disp);
3088
3089                         /* check for exception before result assignment */
3090
3091                         emit_exception_check(cd, iptr);
3092
3093                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3094                         M_INTMOVE(REG_RESULT, d);
3095                         emit_store_dst(jd, iptr, d);
3096                         break;
3097
3098                 default:
3099                         exceptions_throw_internalerror("Unknown ICMD %d during code generation",
3100                                                                                    iptr->opc);
3101                         return false;
3102         } /* switch */
3103
3104         } /* for instruction */
3105
3106         } /* if (bptr -> flags >= BBREACHED) */
3107         } /* for basic block */
3108
3109         dseg_createlinenumbertable(cd);
3110
3111         /* generate stubs */
3112
3113         emit_patcher_stubs(jd);
3114         REPLACEMENT_EMIT_STUBS(jd);
3115
3116         /* everything's ok */
3117
3118         return true;
3119 }
3120
3121
3122 /* createcompilerstub **********************************************************
3123
3124    Creates a stub routine which calls the compiler.
3125
3126 *******************************************************************************/
3127
3128 #define COMPILERSTUB_DATASIZE    3 * SIZEOF_VOID_P
3129 #define COMPILERSTUB_CODESIZE    3 * 4
3130
3131 #define COMPILERSTUB_SIZE        COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
3132
3133
3134 u1 *createcompilerstub(methodinfo *m)
3135 {
3136         u1          *s;                     /* memory to hold the stub            */
3137         ptrint      *d;
3138         codegendata *cd;
3139         s4           dumpsize;              /* code generation pointer            */
3140
3141         s = CNEW(u1, COMPILERSTUB_SIZE);
3142
3143         /* set data pointer and code pointer */
3144
3145         d = (ptrint *) s;
3146         s = s + COMPILERSTUB_DATASIZE;
3147
3148         /* mark start of dump memory area */
3149
3150         dumpsize = dump_size();
3151
3152         cd = DNEW(codegendata);
3153         cd->mcodeptr = s;
3154
3155         /* The codeinfo pointer is actually a pointer to the
3156            methodinfo. This fakes a codeinfo structure. */
3157
3158         d[0] = (ptrint) asm_call_jit_compiler;
3159         d[1] = (ptrint) m;
3160         d[2] = (ptrint) &d[1];                                    /* fake code->m */
3161
3162         /* code for the stub */
3163
3164         M_ALD(REG_ITMP1, REG_PV, -2 * 8);   /* load codeinfo pointer              */
3165         M_ALD(REG_PV, REG_PV, -3 * 8);      /* load pointer to the compiler       */
3166         M_JMP(REG_ZERO, REG_PV);            /* jump to the compiler               */
3167
3168 #if defined(ENABLE_STATISTICS)
3169         if (opt_stat)
3170                 count_cstub_len += COMPILERSTUB_SIZE;
3171 #endif
3172
3173         /* release dump area */
3174
3175         dump_release(dumpsize);
3176
3177         return s;
3178 }
3179
3180
3181 /* createnativestub ************************************************************
3182
3183    Creates a stub routine which calls a native method.
3184
3185 *******************************************************************************/
3186
3187 u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
3188 {
3189         methodinfo   *m;
3190         codeinfo     *code;
3191         codegendata  *cd;
3192         registerdata *rd;
3193         methoddesc   *md;
3194         s4            nativeparams;
3195         s4            i, j;                 /* count variables                    */
3196         s4            t;
3197         s4            s1, s2, disp;
3198         s4            funcdisp;             /* displacement of the function       */
3199
3200         /* get required compiler data */
3201
3202         m    = jd->m;
3203         code = jd->code;
3204         cd   = jd->cd;
3205         rd   = jd->rd;
3206
3207         /* initialize variables */
3208
3209         md = m->parseddesc;
3210         nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3211
3212         /* calculate stack frame size */
3213
3214         cd->stackframesize =
3215                 1 +                             /* return address                     */
3216                 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3217                 sizeof(localref_table) / SIZEOF_VOID_P +
3218                 1 +                             /* methodinfo for call trace          */
3219                 (md->paramcount > INT_ARG_CNT ? INT_ARG_CNT : md->paramcount) +
3220                 nmd->memuse;
3221
3222         /* create method header */
3223
3224         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3225         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3226         (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
3227         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3228         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3229         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3230         (void) dseg_addlinenumbertablesize(cd);
3231         (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
3232
3233         /* generate stub code */
3234
3235         M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3236         M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3237
3238         /* call trace function */
3239
3240 #if !defined(NDEBUG)
3241         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3242                 emit_verbosecall_enter(jd);
3243 #endif
3244
3245         /* get function address (this must happen before the stackframeinfo) */
3246
3247         funcdisp = dseg_add_functionptr(cd, f);
3248
3249 #if !defined(WITH_STATIC_CLASSPATH)
3250         if (f == NULL)
3251                 codegen_add_patch_ref(cd, PATCHER_resolve_native_function, m, funcdisp);
3252 #endif
3253
3254         /* save integer and float argument registers */
3255
3256         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3257                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3258                         M_LST(rd->argintregs[i], REG_SP, j * 8);
3259                         j++;
3260                 }
3261         }
3262
3263         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3264                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3265                         M_DST(rd->argfltregs[i], REG_SP, j * 8);
3266                         j++;
3267                 }
3268         }
3269
3270         /* prepare data structures for native function call */
3271
3272         M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3273         M_MOV(REG_PV, REG_A1);
3274         M_LDA(REG_A2, REG_SP, cd->stackframesize * 8);
3275         M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3276         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3277         M_ALD(REG_PV, REG_PV, disp);
3278         M_JSR(REG_RA, REG_PV);
3279         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3280         M_LDA(REG_PV, REG_RA, -disp);
3281
3282         /* restore integer and float argument registers */
3283
3284         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3285                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3286                         M_LLD(rd->argintregs[i], REG_SP, j * 8);
3287                         j++;
3288                 }
3289         }
3290
3291         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3292                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3293                         M_DLD(rd->argfltregs[i], REG_SP, j * 8);
3294                         j++;
3295                 }
3296         }
3297
3298         /* copy or spill arguments to new locations */
3299
3300         for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3301                 t = md->paramtypes[i].type;
3302
3303                 if (IS_INT_LNG_TYPE(t)) {
3304                         if (!md->params[i].inmemory) {
3305                                 s1 = rd->argintregs[md->params[i].regoff];
3306
3307                                 if (!nmd->params[j].inmemory) {
3308                                         s2 = rd->argintregs[nmd->params[j].regoff];
3309                                         M_INTMOVE(s1, s2);
3310
3311                                 } else {
3312                                         s2 = nmd->params[j].regoff;
3313                                         M_LST(s1, REG_SP, s2 * 8);
3314                                 }
3315
3316                         } else {
3317                                 s1 = md->params[i].regoff + cd->stackframesize;
3318                                 s2 = nmd->params[j].regoff;
3319                                 M_LLD(REG_ITMP1, REG_SP, s1 * 8);
3320                                 M_LST(REG_ITMP1, REG_SP, s2 * 8);
3321                         }
3322
3323                 } else {
3324                         if (!md->params[i].inmemory) {
3325                                 s1 = rd->argfltregs[md->params[i].regoff];
3326
3327                                 if (!nmd->params[j].inmemory) {
3328                                         s2 = rd->argfltregs[nmd->params[j].regoff];
3329                                         M_FLTMOVE(s1, s2);
3330
3331                                 } else {
3332                                         s2 = nmd->params[j].regoff;
3333                                         if (IS_2_WORD_TYPE(t))
3334                                                 M_DST(s1, REG_SP, s2 * 8);
3335                                         else
3336                                                 M_FST(s1, REG_SP, s2 * 8);
3337                                 }
3338
3339                         } else {
3340                                 s1 = md->params[i].regoff + cd->stackframesize;
3341                                 s2 = nmd->params[j].regoff;
3342                                 M_DLD(REG_FTMP1, REG_SP, s1 * 8);
3343                                 if (IS_2_WORD_TYPE(t))
3344                                         M_DST(REG_FTMP1, REG_SP, s2 * 8);
3345                                 else
3346                                         M_FST(REG_FTMP1, REG_SP, s2 * 8);
3347                         }
3348                 }
3349         }
3350
3351         /* put class into second argument register */
3352
3353         if (m->flags & ACC_STATIC) {
3354                 disp = dseg_add_address(cd, m->class);
3355                 M_ALD(REG_A1, REG_PV, disp);
3356         }
3357
3358         /* put env into first argument register */
3359
3360         disp = dseg_add_address(cd, _Jv_env);
3361         M_ALD(REG_A0, REG_PV, disp);
3362
3363         /* do the native function call */
3364
3365         M_ALD(REG_PV, REG_PV, funcdisp);
3366         M_JSR(REG_RA, REG_PV);              /* call native method                 */
3367         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3368         M_LDA(REG_PV, REG_RA, -disp);       /* recompute pv from ra               */
3369
3370         /* save return value */
3371
3372         if (md->returntype.type != TYPE_VOID) {
3373                 if (IS_INT_LNG_TYPE(md->returntype.type))
3374                         M_LST(REG_RESULT, REG_SP, 0 * 8);
3375                 else
3376                         M_DST(REG_FRESULT, REG_SP, 0 * 8);
3377         }
3378
3379         /* call finished trace */
3380
3381 #if !defined(NDEBUG)
3382         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3383                 emit_verbosecall_exit(jd);
3384 #endif
3385
3386         /* remove native stackframe info */
3387
3388         M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3389         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3390         M_ALD(REG_PV, REG_PV, disp);
3391         M_JSR(REG_RA, REG_PV);
3392         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3393         M_LDA(REG_PV, REG_RA, -disp);
3394         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3395
3396         /* restore return value */
3397
3398         if (md->returntype.type != TYPE_VOID) {
3399                 if (IS_INT_LNG_TYPE(md->returntype.type))
3400                         M_LLD(REG_RESULT, REG_SP, 0 * 8);
3401                 else
3402                         M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3403         }
3404
3405         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA            */
3406         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3407
3408         /* check for exception */
3409
3410         M_BNEZ(REG_ITMP1_XPTR, 1);          /* if no exception then return        */
3411         M_RET(REG_ZERO, REG_RA);            /* return to caller                   */
3412
3413         /* handle exception */
3414
3415         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address            */
3416
3417         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3418         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3419         M_JMP(REG_ZERO, REG_ITMP3);         /* jump to asm exception handler      */
3420
3421
3422         /* generate patcher stubs */
3423
3424         emit_patcher_stubs(jd);
3425
3426         codegen_finish(jd);
3427
3428         return code->entrypoint;
3429 }
3430
3431
3432 /*
3433  * These are local overrides for various environment variables in Emacs.
3434  * Please do not remove this and leave it at the end of the file, where
3435  * Emacs will automagically detect them.
3436  * ---------------------------------------------------------------------
3437  * Local variables:
3438  * mode: c
3439  * indent-tabs-mode: t
3440  * c-basic-offset: 4
3441  * tab-width: 4
3442  * End:
3443  * vim:noexpandtab:sw=4:ts=4:
3444  */