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 */
  26
  27
  28 #include "config.h"
  29
  30 #include <assert.h>
  31 #include <stdio.h>
  32
  33 #include "vm/types.h"
  34
  35 #include "md.h"
  36 #include "md-abi.h"
  37
  38 #include "vm/jit/alpha/arch.h"
  39 #include "vm/jit/alpha/codegen.h"
  40
  41 #include "mm/memory.h"
  42
  43 #include "native/jni.h"
  44 #include "native/localref.h"
  45 #include "native/native.h"
  46
  47 #include "threads/lock-common.h"
  48
  49 #include "vm/builtin.h"
  50 #include "vm/exceptions.h"
  51 #include "vm/global.h"
  52 #include "vm/vm.h"
  53
  54 #include "vm/jit/abi.h"
  55 #include "vm/jit/asmpart.h"
  56 #include "vm/jit/codegen-common.h"
  57 #include "vm/jit/dseg.h"
  58 #include "vm/jit/emit-common.h"
  59 #include "vm/jit/jit.h"
  60 #include "vm/jit/parse.h"
  61 #include "vm/jit/patcher-common.h"
  62 #include "vm/jit/reg.h"
  63 #include "vm/jit/replace.h"
  64 #include "vm/jit/stacktrace.h"
  65
  66 #if defined(ENABLE_LSRA)
  67 # include "vm/jit/allocator/lsra.h"
  68 #endif
  69
  70 #include "vmcore/loader.h"
  71 #include "vmcore/options.h"
  72
  73
  74 /* codegen_emit ****************************************************************
  75
  76    Generates machine code.
  77
  78 *******************************************************************************/
  79
  80 bool codegen_emit(jitdata *jd)
  81 {
  82         methodinfo         *m;
  83         codeinfo           *code;
  84         codegendata        *cd;
  85         registerdata       *rd;
  86         s4                  len, s1, s2, s3, d, disp;
  87         varinfo            *var;
  88         basicblock         *bptr;
  89         instruction        *iptr;
  90         exception_entry    *ex;
  91         u2                  currentline;
  92         methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
  93         unresolved_method  *um;
  94         builtintable_entry *bte;
  95         methoddesc         *md;
  96         fieldinfo          *fi;
  97         unresolved_field   *uf;
  98         s4                  fieldtype;
  99         s4                 varindex;
 100
 101         /* get required compiler data */
 102
 103         m    = jd->m;
 104         code = jd->code;
 105         cd   = jd->cd;
 106         rd   = jd->rd;
 107
 108         /* prevent compiler warnings */
 109
 110         d           = 0;
 111         fieldtype   = 0;
 112         lm          = NULL;
 113         um          = NULL;
 114         bte         = NULL;
 115         currentline = 0;
 116
 117         {
 118         s4 i, p, t, l;
 119         s4 savedregs_num;
 120
 121         savedregs_num = (jd->isleafmethod) ? 0 : 1;       /* space to save the RA */
 122
 123         /* space to save used callee saved registers */
 124
 125         savedregs_num += (INT_SAV_CNT - rd->savintreguse);
 126         savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 127
 128         cd->stackframesize = rd->memuse + savedregs_num;
 129
 130 #if defined(ENABLE_THREADS)        /* space to save argument of monitor_enter */
 131         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 132                 cd->stackframesize++;
 133 #endif
 134
 135         /* create method header */
 136
 137 #if 0
 138         cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
 139 #endif
 140
 141         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
 142         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
 143
 144 #if defined(ENABLE_THREADS)
 145         /* IsSync contains the offset relative to the stack pointer for the
 146            argument of monitor_exit used in the exception handler. Since the
 147            offset could be zero and give a wrong meaning of the flag it is
 148            offset by one.
 149         */
 150
 151         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 152                 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8);       /* IsSync  */
 153         else
 154 #endif
 155                 (void) dseg_add_unique_s4(cd, 0);                          /* IsSync  */
 156
 157         (void) dseg_add_unique_s4(cd, jd->isleafmethod);               /* IsLeaf  */
 158         (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
 159         (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
 160
 161         dseg_addlinenumbertablesize(cd);
 162
 163         (void) dseg_add_unique_s4(cd, jd->exceptiontablelength);   /* ExTableSize */
 164
 165         /* create exception table */
 166
 167         for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
 168                 dseg_add_target(cd, ex->start);
 169                 dseg_add_target(cd, ex->end);
 170                 dseg_add_target(cd, ex->handler);
 171                 (void) dseg_add_unique_address(cd, ex->catchtype.any);
 172         }
 173
 174         /* create stack frame (if necessary) */
 175
 176         if (cd->stackframesize)
 177                 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
 178
 179         /* save return address and used callee saved registers */
 180
 181         p = cd->stackframesize;
 182         if (!jd->isleafmethod) {
 183                 p--; M_AST(REG_RA, REG_SP, p * 8);
 184         }
 185         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 186                 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
 187         }
 188         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 189                 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
 190         }
 191
 192         /* take arguments out of register or stack frame */
 193
 194         md = m->parseddesc;
 195
 196         for (p = 0, l = 0; p < md->paramcount; p++) {
 197                 t = md->paramtypes[p].type;
 198
 199                 varindex = jd->local_map[l * 5 + t];
 200
 201                 l++;
 202                 if (IS_2_WORD_TYPE(t))    /* increment local counter for 2 word types */
 203                         l++;
 204
 205                 if (varindex == UNUSED)
 206                         continue;
 207
 208                 var = VAR(varindex);
 209
 210                 s1 = md->params[p].regoff;
 211
 212                 if (IS_INT_LNG_TYPE(t)) {                    /* integer args          */
 213                         if (!md->params[p].inmemory) {           /* register arguments    */
 214                                 if (!IS_INMEMORY(var->flags))
 215                                         M_INTMOVE(s1, var->vv.regoff);
 216                                 else
 217                                         M_LST(s1, REG_SP, var->vv.regoff);
 218                         }
 219                         else {                                   /* stack arguments       */
 220                                 if (!IS_INMEMORY(var->flags))
 221                                         M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 222                                 else
 223                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 224                         }
 225                 }
 226                 else {                                       /* floating args         */
 227                         if (!md->params[p].inmemory) {           /* register arguments    */
 228                                 if (!IS_INMEMORY(var->flags))
 229                                         M_FLTMOVE(s1, var->vv.regoff);
 230                                 else
 231                                         M_DST(s1, REG_SP, var->vv.regoff * 8);
 232                         }
 233                         else {                                   /* stack arguments       */
 234                                 if (!(var->flags & INMEMORY))
 235                                         M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 236                                 else
 237                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 238                         }
 239                 }
 240         }
 241
 242         /* call monitorenter function */
 243
 244 #if defined(ENABLE_THREADS)
 245         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
 246                 /* stack offset for monitor argument */
 247
 248                 s1 = rd->memuse;
 249
 250 #if !defined(NDEBUG)
 251                 if (opt_verbosecall) {
 252                         M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
 253
 254                         for (p = 0; p < INT_ARG_CNT; p++)
 255                                 M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
 256
 257                         for (p = 0; p < FLT_ARG_CNT; p++)
 258                                 M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
 259
 260                         s1 += INT_ARG_CNT + FLT_ARG_CNT;
 261                 }
 262 #endif /* !defined(NDEBUG) */
 263
 264                 /* decide which monitor enter function to call */
 265
 266                 if (m->flags & ACC_STATIC) {
 267                         disp = dseg_add_address(cd, &m->class->object.header);
 268                         M_ALD(REG_A0, REG_PV, disp);
 269                 }
 270                 else {
 271                         M_BNEZ(REG_A0, 1);
 272                         M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
 273                 }
 274
 275                 M_AST(REG_A0, REG_SP, s1 * 8);
 276                 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
 277                 M_ALD(REG_PV, REG_PV, disp);
 278                 M_JSR(REG_RA, REG_PV);
 279                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
 280                 M_LDA(REG_PV, REG_RA, -disp);
 281
 282 #if !defined(NDEBUG)
 283                 if (opt_verbosecall) {
 284                         for (p = 0; p < INT_ARG_CNT; p++)
 285                                 M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
 286
 287                         for (p = 0; p < FLT_ARG_CNT; p++)
 288                                 M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
 289
 290                         M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
 291                 }
 292 #endif /* !defined(NDEBUG) */
 293         }
 294 #endif
 295
 296         /* call trace function */
 297
 298 #if !defined(NDEBUG)
 299         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
 300                 emit_verbosecall_enter(jd);
 301 #endif
 302
 303         }
 304
 305         /* end of header generation */
 306
 307         /* create replacement points */
 308
 309         REPLACEMENT_POINTS_INIT(cd, jd);
 310
 311         /* walk through all basic blocks */
 312
 313         for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
 314
 315                 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
 316
 317                 if (bptr->flags >= BBREACHED) {
 318
 319                 /* branch resolving */
 320
 321                 codegen_resolve_branchrefs(cd, bptr);
 322
 323                 /* handle replacement points */
 324
 325                 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
 326
 327                 /* copy interface registers to their destination */
 328
 329                 len = bptr->indepth;
 330                 MCODECHECK(64+len);
 331 #if defined(ENABLE_LSRA)
 332                 if (opt_lsra) {
 333                 while (len) {
 334                         len--;
 335                         src = bptr->invars[len];
 336                         if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 337                                         /*                              d = reg_of_var(m, src, REG_ITMP1); */
 338                                         if (!(src->flags & INMEMORY))
 339                                                 d = src->vv.regoff;
 340                                         else
 341                                                 d = REG_ITMP1;
 342                                         M_INTMOVE(REG_ITMP1, d);
 343                                         emit_store(jd, NULL, src, d);
 344                                 }
 345                         }
 346                 } else {
 347 #endif
 348                         while (len) {
 349                                 len--;
 350                                 var = VAR(bptr->invars[len]);
 351                                 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 352                                         d = codegen_reg_of_var(0, var, REG_ITMP1);
 353                                         M_INTMOVE(REG_ITMP1, d);
 354                                         emit_store(jd, NULL, var, d);
 355                                 }
 356                                 else {
 357                                         assert((var->flags & INOUT));
 358                                 }
 359                         }
 360 #if defined(ENABLE_LSRA)
 361                 }
 362 #endif
 363
 364                 /* walk through all instructions */
 365
 366                 len = bptr->icount;
 367
 368                 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
 369                         if (iptr->line != currentline) {
 370                                 dseg_addlinenumber(cd, iptr->line);
 371                                 currentline = iptr->line;
 372                         }
 373
 374                 MCODECHECK(64);       /* an instruction usually needs < 64 words      */
 375                 switch (iptr->opc) {
 376
 377                 case ICMD_NOP:        /* ...  ==> ...                                 */
 378                 case ICMD_POP:        /* ..., value  ==> ...                          */
 379                 case ICMD_POP2:       /* ..., value, value  ==> ...                   */
 380                         break;
 381
 382                 case ICMD_INLINE_START:
 383
 384                         REPLACEMENT_POINT_INLINE_START(cd, iptr);
 385                         break;
 386
 387                 case ICMD_INLINE_BODY:
 388
 389                         REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
 390                         dseg_addlinenumber_inline_start(cd, iptr);
 391                         dseg_addlinenumber(cd, iptr->line);
 392                         break;
 393
 394                 case ICMD_INLINE_END:
 395
 396                         dseg_addlinenumber_inline_end(cd, iptr);
 397                         dseg_addlinenumber(cd, iptr->line);
 398                         break;
 399
 400                 case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
 401
 402                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 403                         emit_nullpointer_check(cd, iptr, s1);
 404                         break;
 405
 406                 /* constant operations ************************************************/
 407
 408                 case ICMD_ICONST:     /* ...  ==> ..., constant                       */
 409
 410                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 411                         ICONST(d, iptr->sx.val.i);
 412                         emit_store_dst(jd, iptr, d);
 413                         break;
 414
 415                 case ICMD_LCONST:     /* ...  ==> ..., constant                       */
 416
 417                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 418                         LCONST(d, iptr->sx.val.l);
 419                         emit_store_dst(jd, iptr, d);
 420                         break;
 421
 422                 case ICMD_FCONST:     /* ...  ==> ..., constant                       */
 423
 424                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 425                         disp = dseg_add_float(cd, iptr->sx.val.f);
 426                         M_FLD(d, REG_PV, disp);
 427                         emit_store_dst(jd, iptr, d);
 428                         break;
 429
 430                 case ICMD_DCONST:     /* ...  ==> ..., constant                       */
 431
 432                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 433                         disp = dseg_add_double(cd, iptr->sx.val.d);
 434                         M_DLD(d, REG_PV, disp);
 435                         emit_store_dst(jd, iptr, d);
 436                         break;
 437
 438                 case ICMD_ACONST:     /* ...  ==> ..., constant                       */
 439
 440                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 441
 442                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
 443                                 constant_classref *cr = iptr->sx.val.c.ref;
 444
 445                                 disp = dseg_add_unique_address(cd, cr);
 446
 447                                 /* XXX Only add the patcher, if this position needs to
 448                                    be patched.  If there was a previous position which
 449                                    resolved the same class, the returned displacement
 450                                    of dseg_add_address is ok to use. */
 451
 452                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
 453                                                                           cr, disp);
 454
 455                                 M_ALD(d, REG_PV, disp);
 456                         }
 457                         else {
 458                                 if (iptr->sx.val.anyptr == NULL)
 459                                         M_INTMOVE(REG_ZERO, d);
 460                                 else {
 461                                         disp = dseg_add_address(cd, iptr->sx.val.anyptr);
 462                                         M_ALD(d, REG_PV, disp);
 463                                 }
 464                         }
 465                         emit_store_dst(jd, iptr, d);
 466                         break;
 467
 468
 469                 /* load/store/move/copy operations ************************************/
 470
 471                 case ICMD_ILOAD:      /* ...  ==> ..., content of local variable      */
 472                 case ICMD_ALOAD:      /* s1 = local variable                          */
 473                 case ICMD_LLOAD:
 474                 case ICMD_FLOAD:
 475                 case ICMD_DLOAD:
 476                 case ICMD_ISTORE:     /* ..., value  ==> ...                          */
 477                 case ICMD_LSTORE:
 478                 case ICMD_FSTORE:
 479                 case ICMD_DSTORE:
 480                 case ICMD_COPY:
 481                 case ICMD_MOVE:
 482
 483                         emit_copy(jd, iptr);
 484                         break;
 485
 486                 case ICMD_ASTORE:
 487
 488                         if (!(iptr->flags.bits & INS_FLAG_RETADDR))
 489                                 emit_copy(jd, iptr);
 490                         break;
 491
 492
 493                 /* integer operations *************************************************/
 494
 495                 case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 496
 497                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 498                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 499                         M_ISUB(REG_ZERO, s1, d);
 500                         emit_store_dst(jd, iptr, d);
 501                         break;
 502
 503                 case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 504
 505                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 506                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 507                         M_LSUB(REG_ZERO, s1, d);
 508                         emit_store_dst(jd, iptr, d);
 509                         break;
 510
 511                 case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 512
 513                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 514                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 515                         M_INTMOVE(s1, d);
 516                         emit_store_dst(jd, iptr, d);
 517                         break;
 518
 519                 case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 520
 521                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 522                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 523                         M_IADD(s1, REG_ZERO, d);
 524                         emit_store_dst(jd, iptr, d);
 525                         break;
 526
 527                 case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 528
 529                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 530                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 531                         if (has_ext_instr_set) {
 532                                 M_BSEXT(s1, d);
 533                         } else {
 534                                 M_SLL_IMM(s1, 56, d);
 535                                 M_SRA_IMM( d, 56, d);
 536                         }
 537                         emit_store_dst(jd, iptr, d);
 538                         break;
 539
 540                 case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 541
 542                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 543                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 544             M_CZEXT(s1, d);
 545                         emit_store_dst(jd, iptr, d);
 546                         break;
 547
 548                 case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 549
 550                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 551                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 552                         if (has_ext_instr_set) {
 553                                 M_SSEXT(s1, d);
 554                         } else {
 555                                 M_SLL_IMM(s1, 48, d);
 556                                 M_SRA_IMM( d, 48, d);
 557                         }
 558                         emit_store_dst(jd, iptr, d);
 559                         break;
 560
 561
 562                 case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 563
 564                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 565                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 566                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 567                         M_IADD(s1, s2, d);
 568                         emit_store_dst(jd, iptr, d);
 569                         break;
 570
 571                 case ICMD_IINC:
 572                 case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
 573                                       /* sx.val.i = constant                             */
 574
 575                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 576                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 577                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 578                                 M_IADD_IMM(s1, iptr->sx.val.i, d);
 579                         } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
 580                                 M_ISUB_IMM(s1, (-iptr->sx.val.i), d);
 581                         } else {
 582                                 /* XXX maybe use M_LDA? */
 583                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 584                                 M_IADD(s1, REG_ITMP2, d);
 585                         }
 586                         emit_store_dst(jd, iptr, d);
 587                         break;
 588
 589                 case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 590
 591                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 592                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 593                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 594                         M_LADD(s1, s2, d);
 595                         emit_store_dst(jd, iptr, d);
 596                         break;
 597
 598                 case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
 599                                       /* sx.val.l = constant                             */
 600
 601                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 602                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 603                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 604                                 M_LADD_IMM(s1, iptr->sx.val.l, d);
 605                         } else {
 606                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 607                                 M_LADD(s1, REG_ITMP2, d);
 608                         }
 609                         emit_store_dst(jd, iptr, d);
 610                         break;
 611
 612                 case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 613
 614                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 615                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 616                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 617                         M_ISUB(s1, s2, d);
 618                         emit_store_dst(jd, iptr, d);
 619                         break;
 620
 621                 case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
 622                                       /* sx.val.i = constant                             */
 623
 624                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 625                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 626                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 627                                 M_ISUB_IMM(s1, iptr->sx.val.i, d);
 628                         } else {
 629                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 630                                 M_ISUB(s1, REG_ITMP2, d);
 631                         }
 632                         emit_store_dst(jd, iptr, d);
 633                         break;
 634
 635                 case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 636
 637                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 638                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 639                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 640                         M_LSUB(s1, s2, d);
 641                         emit_store_dst(jd, iptr, d);
 642                         break;
 643
 644                 case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
 645                                       /* sx.val.l = constant                             */
 646
 647                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 648                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 649                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 650                                 M_LSUB_IMM(s1, iptr->sx.val.l, d);
 651                         } else {
 652                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 653                                 M_LSUB(s1, REG_ITMP2, d);
 654                         }
 655                         emit_store_dst(jd, iptr, d);
 656                         break;
 657
 658                 case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 659
 660                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 661                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 662                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 663                         M_IMUL(s1, s2, d);
 664                         emit_store_dst(jd, iptr, d);
 665                         break;
 666
 667                 case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
 668                                       /* sx.val.i = constant                             */
 669
 670                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 671                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 672                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 673                                 M_IMUL_IMM(s1, iptr->sx.val.i, d);
 674                         } else {
 675                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 676                                 M_IMUL(s1, REG_ITMP2, d);
 677                         }
 678                         emit_store_dst(jd, iptr, d);
 679                         break;
 680
 681                 case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 682
 683                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 684                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 685                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 686                         M_LMUL(s1, s2, d);
 687                         emit_store_dst(jd, iptr, d);
 688                         break;
 689
 690                 case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
 691                                       /* sx.val.l = constant                             */
 692
 693                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 694                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 695                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 696                                 M_LMUL_IMM(s1, iptr->sx.val.l, d);
 697                         } else {
 698                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 699                                 M_LMUL(s1, REG_ITMP2, d);
 700                         }
 701                         emit_store_dst(jd, iptr, d);
 702                         break;
 703
 704                 case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 705                 case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 706
 707                         s1 = emit_load_s1(jd, iptr, REG_A0);
 708                         s2 = emit_load_s2(jd, iptr, REG_A1);
 709                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 710                         emit_arithmetic_check(cd, iptr, s2);
 711
 712                         M_INTMOVE(s1, REG_A0);
 713                         M_INTMOVE(s2, REG_A1);
 714                         bte = iptr->sx.s23.s3.bte;
 715                         disp = dseg_add_functionptr(cd, bte->fp);
 716                         M_ALD(REG_PV, REG_PV, disp);
 717                         M_JSR(REG_RA, REG_PV);
 718                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 719                         M_LDA(REG_PV, REG_RA, -disp);
 720
 721                         M_IADD(REG_RESULT, REG_ZERO, d); /* sign extend (bugfix for gcc -O2) */
 722                         emit_store_dst(jd, iptr, d);
 723                         break;
 724
 725                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 726                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 727
 728                         s1 = emit_load_s1(jd, iptr, REG_A0);
 729                         s2 = emit_load_s2(jd, iptr, REG_A1);
 730                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 731                         emit_arithmetic_check(cd, iptr, s2);
 732
 733                         M_INTMOVE(s1, REG_A0);
 734                         M_INTMOVE(s2, REG_A1);
 735                         bte = iptr->sx.s23.s3.bte;
 736                         disp = dseg_add_functionptr(cd, bte->fp);
 737                         M_ALD(REG_PV, REG_PV, disp);
 738                         M_JSR(REG_RA, REG_PV);
 739                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 740                         M_LDA(REG_PV, REG_RA, -disp);
 741
 742                         M_INTMOVE(REG_RESULT, d);
 743                         emit_store_dst(jd, iptr, d);
 744                         break;
 745
 746                 case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 747                 case ICMD_LDIVPOW2:   /* val.i = constant                             */
 748
 749                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 750                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 751                         if (iptr->sx.val.i <= 15) {
 752                                 M_LDA(REG_ITMP2, s1, (1 << iptr->sx.val.i) -1);
 753                                 M_CMOVGE(s1, s1, REG_ITMP2);
 754                         } else {
 755                                 M_SRA_IMM(s1, 63, REG_ITMP2);
 756                                 M_SRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 757                                 M_LADD(s1, REG_ITMP2, REG_ITMP2);
 758                         }
 759                         M_SRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 760                         emit_store_dst(jd, iptr, d);
 761                         break;
 762
 763                 case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 764
 765                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 766                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 767                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 768                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 769                         M_SLL(s1, REG_ITMP3, d);
 770                         M_IADD(d, REG_ZERO, d);
 771                         emit_store_dst(jd, iptr, d);
 772                         break;
 773
 774                 case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
 775                                       /* sx.val.i = constant                             */
 776
 777                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 778                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 779                         M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
 780                         M_IADD(d, REG_ZERO, d);
 781                         emit_store_dst(jd, iptr, d);
 782                         break;
 783
 784                 case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 785
 786                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 787                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 788                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 789                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 790                         M_SRA(s1, REG_ITMP3, d);
 791                         emit_store_dst(jd, iptr, d);
 792                         break;
 793
 794                 case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
 795                                       /* sx.val.i = constant                             */
 796
 797                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 798                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 799                         M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
 800                         emit_store_dst(jd, iptr, d);
 801                         break;
 802
 803                 case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 804
 805                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 806                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 807                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 808                         M_AND_IMM(s2, 0x1f, REG_ITMP2);
 809             M_IZEXT(s1, d);
 810                         M_SRL(d, REG_ITMP2, d);
 811                         M_IADD(d, REG_ZERO, d);
 812                         emit_store_dst(jd, iptr, d);
 813                         break;
 814
 815                 case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 816                                       /* sx.val.i = constant                             */
 817
 818                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 819                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 820             M_IZEXT(s1, d);
 821                         M_SRL_IMM(d, iptr->sx.val.i & 0x1f, d);
 822                         M_IADD(d, REG_ZERO, d);
 823                         emit_store_dst(jd, iptr, d);
 824                         break;
 825
 826                 case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 827
 828                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 829                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 830                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 831                         M_SLL(s1, s2, d);
 832                         emit_store_dst(jd, iptr, d);
 833                         break;
 834
 835                 case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
 836                                       /* sx.val.i = constant                             */
 837
 838                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 839                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 840                         M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 841                         emit_store_dst(jd, iptr, d);
 842                         break;
 843
 844                 case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 845
 846                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 847                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 848                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 849                         M_SRA(s1, s2, d);
 850                         emit_store_dst(jd, iptr, d);
 851                         break;
 852
 853                 case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
 854                                       /* sx.val.i = constant                             */
 855
 856                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 857                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 858                         M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
 859                         emit_store_dst(jd, iptr, d);
 860                         break;
 861
 862                 case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 863
 864                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 865                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 866                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 867                         M_SRL(s1, s2, d);
 868                         emit_store_dst(jd, iptr, d);
 869                         break;
 870
 871                 case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 872                                       /* sx.val.i = constant                             */
 873
 874                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 875                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 876                         M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 877                         emit_store_dst(jd, iptr, d);
 878                         break;
 879
 880                 case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
 881                 case ICMD_LAND:
 882
 883                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 884                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 885                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 886                         M_AND(s1, s2, d);
 887                         emit_store_dst(jd, iptr, d);
 888                         break;
 889
 890                 case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
 891                                       /* sx.val.i = constant                             */
 892
 893                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 894                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 895                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 896                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 897                         } else if (iptr->sx.val.i == 0xffff) {
 898                                 M_CZEXT(s1, d);
 899                         } else if (iptr->sx.val.i == 0xffffff) {
 900                                 M_ZAPNOT_IMM(s1, 0x07, d);
 901                         } else {
 902                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 903                                 M_AND(s1, REG_ITMP2, d);
 904                         }
 905                         emit_store_dst(jd, iptr, d);
 906                         break;
 907
 908                 case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
 909                                       /* sx.val.i = constant                             */
 910
 911                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 912                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 913                         if (s1 == d) {
 914                                 M_MOV(s1, REG_ITMP1);
 915                                 s1 = REG_ITMP1;
 916                         }
 917                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 918                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 919                                 M_BGEZ(s1, 3);
 920                                 M_ISUB(REG_ZERO, s1, d);
 921                                 M_AND_IMM(d, iptr->sx.val.i, d);
 922                         } else if (iptr->sx.val.i == 0xffff) {
 923                                 M_CZEXT(s1, d);
 924                                 M_BGEZ(s1, 3);
 925                                 M_ISUB(REG_ZERO, s1, d);
 926                                 M_CZEXT(d, d);
 927                         } else if (iptr->sx.val.i == 0xffffff) {
 928                                 M_ZAPNOT_IMM(s1, 0x07, d);
 929                                 M_BGEZ(s1, 3);
 930                                 M_ISUB(REG_ZERO, s1, d);
 931                                 M_ZAPNOT_IMM(d, 0x07, d);
 932                         } else {
 933                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 934                                 M_AND(s1, REG_ITMP2, d);
 935                                 M_BGEZ(s1, 3);
 936                                 M_ISUB(REG_ZERO, s1, d);
 937                                 M_AND(d, REG_ITMP2, d);
 938                         }
 939                         M_ISUB(REG_ZERO, d, d);
 940                         emit_store_dst(jd, iptr, d);
 941                         break;
 942
 943                 case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
 944                                       /* sx.val.l = constant                             */
 945
 946                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 947                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 948                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 949                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 950                         } else if (iptr->sx.val.l == 0xffffL) {
 951                                 M_CZEXT(s1, d);
 952                         } else if (iptr->sx.val.l == 0xffffffL) {
 953                                 M_ZAPNOT_IMM(s1, 0x07, d);
 954                         } else if (iptr->sx.val.l == 0xffffffffL) {
 955                                 M_IZEXT(s1, d);
 956                         } else if (iptr->sx.val.l == 0xffffffffffL) {
 957                                 M_ZAPNOT_IMM(s1, 0x1f, d);
 958                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
 959                                 M_ZAPNOT_IMM(s1, 0x3f, d);
 960                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
 961                                 M_ZAPNOT_IMM(s1, 0x7f, d);
 962                         } else {
 963                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 964                                 M_AND(s1, REG_ITMP2, d);
 965                         }
 966                         emit_store_dst(jd, iptr, d);
 967                         break;
 968
 969                 case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
 970                                       /* sx.val.l = constant                             */
 971
 972                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 973                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 974                         if (s1 == d) {
 975                                 M_MOV(s1, REG_ITMP1);
 976                                 s1 = REG_ITMP1;
 977                         }
 978                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 979                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 980                                 M_BGEZ(s1, 3);
 981                                 M_LSUB(REG_ZERO, s1, d);
 982                                 M_AND_IMM(d, iptr->sx.val.l, d);
 983                         } else if (iptr->sx.val.l == 0xffffL) {
 984                                 M_CZEXT(s1, d);
 985                                 M_BGEZ(s1, 3);
 986                                 M_LSUB(REG_ZERO, s1, d);
 987                                 M_CZEXT(d, d);
 988                         } else if (iptr->sx.val.l == 0xffffffL) {
 989                                 M_ZAPNOT_IMM(s1, 0x07, d);
 990                                 M_BGEZ(s1, 3);
 991                                 M_LSUB(REG_ZERO, s1, d);
 992                                 M_ZAPNOT_IMM(d, 0x07, d);
 993                         } else if (iptr->sx.val.l == 0xffffffffL) {
 994                                 M_IZEXT(s1, d);
 995                                 M_BGEZ(s1, 3);
 996                                 M_LSUB(REG_ZERO, s1, d);
 997                                 M_IZEXT(d, d);
 998                         } else if (iptr->sx.val.l == 0xffffffffffL) {
 999                                 M_ZAPNOT_IMM(s1, 0x1f, d);
1000                                 M_BGEZ(s1, 3);
1001                                 M_LSUB(REG_ZERO, s1, d);
1002                                 M_ZAPNOT_IMM(d, 0x1f, d);
1003                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
1004                                 M_ZAPNOT_IMM(s1, 0x3f, d);
1005                                 M_BGEZ(s1, 3);
1006                                 M_LSUB(REG_ZERO, s1, d);
1007                                 M_ZAPNOT_IMM(d, 0x3f, d);
1008                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
1009                                 M_ZAPNOT_IMM(s1, 0x7f, d);
1010                                 M_BGEZ(s1, 3);
1011                                 M_LSUB(REG_ZERO, s1, d);
1012                                 M_ZAPNOT_IMM(d, 0x7f, d);
1013                         } else {
1014                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1015                                 M_AND(s1, REG_ITMP2, d);
1016                                 M_BGEZ(s1, 3);
1017                                 M_LSUB(REG_ZERO, s1, d);
1018                                 M_AND(d, REG_ITMP2, d);
1019                         }
1020                         M_LSUB(REG_ZERO, d, d);
1021                         emit_store_dst(jd, iptr, d);
1022                         break;
1023
1024                 case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1025                 case ICMD_LOR:
1026
1027                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1028                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1029                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1030                         M_OR( s1,s2, d);
1031                         emit_store_dst(jd, iptr, d);
1032                         break;
1033
1034                 case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
1035                                       /* sx.val.i = constant                          */
1036
1037                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1038                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1039                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1040                                 M_OR_IMM(s1, iptr->sx.val.i, d);
1041                         } else {
1042                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1043                                 M_OR(s1, REG_ITMP2, d);
1044                         }
1045                         emit_store_dst(jd, iptr, d);
1046                         break;
1047
1048                 case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
1049                                       /* sx.val.l = constant                          */
1050
1051                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1052                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1053                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1054                                 M_OR_IMM(s1, iptr->sx.val.l, d);
1055                         } else {
1056                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1057                                 M_OR(s1, REG_ITMP2, d);
1058                         }
1059                         emit_store_dst(jd, iptr, d);
1060                         break;
1061
1062                 case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1063                 case ICMD_LXOR:
1064
1065                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1066                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1067                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1068                         M_XOR(s1, s2, d);
1069                         emit_store_dst(jd, iptr, d);
1070                         break;
1071
1072                 case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1073                                       /* sx.val.i = constant                          */
1074
1075                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1076                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1077                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1078                                 M_XOR_IMM(s1, iptr->sx.val.i, d);
1079                         } else {
1080                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1081                                 M_XOR(s1, REG_ITMP2, d);
1082                         }
1083                         emit_store_dst(jd, iptr, d);
1084                         break;
1085
1086                 case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1087                                       /* sx.val.l = constant                          */
1088
1089                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1090                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1091                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1092                                 M_XOR_IMM(s1, iptr->sx.val.l, d);
1093                         } else {
1094                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1095                                 M_XOR(s1, REG_ITMP2, d);
1096                         }
1097                         emit_store_dst(jd, iptr, d);
1098                         break;
1099
1100
1101                 case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
1102
1103                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1104                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1105                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1106                         M_CMPLT(s1, s2, REG_ITMP3);
1107                         M_CMPLT(s2, s1, REG_ITMP1);
1108                         M_LSUB(REG_ITMP1, REG_ITMP3, d);
1109                         emit_store_dst(jd, iptr, d);
1110                         break;
1111
1112
1113                 /* floating operations ************************************************/
1114
1115                 case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
1116
1117                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1118                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1119                         M_FMOVN(s1, d);
1120                         emit_store_dst(jd, iptr, d);
1121                         break;
1122
1123                 case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
1124
1125                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1126                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1127                         M_FMOVN(s1, d);
1128                         emit_store_dst(jd, iptr, d);
1129                         break;
1130
1131                 case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1132
1133                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1134                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1135                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1136                         if (opt_noieee) {
1137                                 M_FADD(s1, s2, d);
1138                         } else {
1139                                 if (d == s1 || d == s2) {
1140                                         M_FADDS(s1, s2, REG_FTMP3);
1141                                         M_TRAPB;
1142                                         M_FMOV(REG_FTMP3, d);
1143                                 } else {
1144                                         M_FADDS(s1, s2, d);
1145                                         M_TRAPB;
1146                                 }
1147                         }
1148                         emit_store_dst(jd, iptr, d);
1149                         break;
1150
1151                 case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1152
1153                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1154                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1155                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1156                         if (opt_noieee) {
1157                                 M_DADD(s1, s2, d);
1158                         } else {
1159                                 if (d == s1 || d == s2) {
1160                                         M_DADDS(s1, s2, REG_FTMP3);
1161                                         M_TRAPB;
1162                                         M_FMOV(REG_FTMP3, d);
1163                                 } else {
1164                                         M_DADDS(s1, s2, d);
1165                                         M_TRAPB;
1166                                 }
1167                         }
1168                         emit_store_dst(jd, iptr, d);
1169                         break;
1170
1171                 case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1172
1173                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1174                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1175                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1176                         if (opt_noieee) {
1177                                 M_FSUB(s1, s2, d);
1178                         } else {
1179                                 if (d == s1 || d == s2) {
1180                                         M_FSUBS(s1, s2, REG_FTMP3);
1181                                         M_TRAPB;
1182                                         M_FMOV(REG_FTMP3, d);
1183                                 } else {
1184                                         M_FSUBS(s1, s2, d);
1185                                         M_TRAPB;
1186                                 }
1187                         }
1188                         emit_store_dst(jd, iptr, d);
1189                         break;
1190
1191                 case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1192
1193                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1194                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1195                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1196                         if (opt_noieee) {
1197                                 M_DSUB(s1, s2, d);
1198                         } else {
1199                                 if (d == s1 || d == s2) {
1200                                         M_DSUBS(s1, s2, REG_FTMP3);
1201                                         M_TRAPB;
1202                                         M_FMOV(REG_FTMP3, d);
1203                                 } else {
1204                                         M_DSUBS(s1, s2, d);
1205                                         M_TRAPB;
1206                                 }
1207                         }
1208                         emit_store_dst(jd, iptr, d);
1209                         break;
1210
1211                 case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
1212
1213                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1214                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1215                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1216                         if (opt_noieee) {
1217                                 M_FMUL(s1, s2, d);
1218                         } else {
1219                                 if (d == s1 || d == s2) {
1220                                         M_FMULS(s1, s2, REG_FTMP3);
1221                                         M_TRAPB;
1222                                         M_FMOV(REG_FTMP3, d);
1223                                 } else {
1224                                         M_FMULS(s1, s2, d);
1225                                         M_TRAPB;
1226                                 }
1227                         }
1228                         emit_store_dst(jd, iptr, d);
1229                         break;
1230
1231                 case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
1232
1233                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1234                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1235                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1236                         if (opt_noieee) {
1237                                 M_DMUL(s1, s2, d);
1238                         } else {
1239                                 if (d == s1 || d == s2) {
1240                                         M_DMULS(s1, s2, REG_FTMP3);
1241                                         M_TRAPB;
1242                                         M_FMOV(REG_FTMP3, d);
1243                                 } else {
1244                                         M_DMULS(s1, s2, d);
1245                                         M_TRAPB;
1246                                 }
1247                         }
1248                         emit_store_dst(jd, iptr, d);
1249                         break;
1250
1251                 case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1252
1253                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1254                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1255                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1256                         if (opt_noieee) {
1257                                 M_FDIV(s1, s2, d);
1258                         } else {
1259                                 if (d == s1 || d == s2) {
1260                                         M_FDIVS(s1, s2, REG_FTMP3);
1261                                         M_TRAPB;
1262                                         M_FMOV(REG_FTMP3, d);
1263                                 } else {
1264                                         M_FDIVS(s1, s2, d);
1265                                         M_TRAPB;
1266                                 }
1267                         }
1268                         emit_store_dst(jd, iptr, d);
1269                         break;
1270
1271                 case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1272
1273                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1274                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1275                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1276                         if (opt_noieee) {
1277                                 M_DDIV(s1, s2, d);
1278                         } else {
1279                                 if (d == s1 || d == s2) {
1280                                         M_DDIVS(s1, s2, REG_FTMP3);
1281                                         M_TRAPB;
1282                                         M_FMOV(REG_FTMP3, d);
1283                                 } else {
1284                                         M_DDIVS(s1, s2, d);
1285                                         M_TRAPB;
1286                                 }
1287                         }
1288                         emit_store_dst(jd, iptr, d);
1289                         break;
1290
1291                 case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
1292                 case ICMD_L2F:
1293                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1294                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1295                         disp = dseg_add_unique_double(cd, 0.0);
1296                         M_LST(s1, REG_PV, disp);
1297                         M_DLD(d, REG_PV, disp);
1298                         M_CVTLF(d, d);
1299                         emit_store_dst(jd, iptr, d);
1300                         break;
1301
1302                 case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
1303                 case ICMD_L2D:
1304                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1305                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1306                         disp = dseg_add_unique_double(cd, 0.0);
1307                         M_LST(s1, REG_PV, disp);
1308                         M_DLD(d, REG_PV, disp);
1309                         M_CVTLD(d, d);
1310                         emit_store_dst(jd, iptr, d);
1311                         break;
1312
1313                 case ICMD_F2I:       /* ..., value  ==> ..., (int) value              */
1314                 case ICMD_D2I:
1315                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1316                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1317                         disp = dseg_add_unique_double(cd, 0.0);
1318                         M_CVTDL_C(s1, REG_FTMP2);
1319                         M_CVTLI(REG_FTMP2, REG_FTMP3);
1320                         M_DST(REG_FTMP3, REG_PV, disp);
1321                         M_ILD(d, REG_PV, disp);
1322                         emit_store_dst(jd, iptr, d);
1323                         break;
1324
1325                 case ICMD_F2L:       /* ..., value  ==> ..., (long) value             */
1326                 case ICMD_D2L:
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_DST(REG_FTMP2, REG_PV, disp);
1332                         M_LLD(d, REG_PV, disp);
1333                         emit_store_dst(jd, iptr, d);
1334                         break;
1335
1336                 case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
1337
1338                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1339                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1340                         M_CVTFDS(s1, d);
1341                         M_TRAPB;
1342                         emit_store_dst(jd, iptr, d);
1343                         break;
1344
1345                 case ICMD_D2F:       /* ..., value  ==> ..., (float) value            */
1346
1347                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1348                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1349                         if (opt_noieee) {
1350                                 M_CVTDF(s1, d);
1351                         } else {
1352                                 M_CVTDFS(s1, d);
1353                                 M_TRAPB;
1354                         }
1355                         emit_store_dst(jd, iptr, d);
1356                         break;
1357
1358                 case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1359                 case ICMD_DCMPL:
1360                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1361                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1362                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1363                         if (opt_noieee) {
1364                                 M_LSUB_IMM(REG_ZERO, 1, d);
1365                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1366                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1367                                 M_CLR   (d);
1368                                 M_FCMPLT(s2, s1, REG_FTMP3);
1369                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1370                                 M_LADD_IMM(REG_ZERO, 1, d);
1371                         } else {
1372                                 M_LSUB_IMM(REG_ZERO, 1, d);
1373                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1374                                 M_TRAPB;
1375                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1376                                 M_CLR   (d);
1377                                 M_FCMPLTS(s2, s1, REG_FTMP3);
1378                                 M_TRAPB;
1379                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1380                                 M_LADD_IMM(REG_ZERO, 1, d);
1381                         }
1382                         emit_store_dst(jd, iptr, d);
1383                         break;
1384
1385                 case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1386                 case ICMD_DCMPG:
1387                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1388                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1389                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1390                         if (opt_noieee) {
1391                                 M_LADD_IMM(REG_ZERO, 1, d);
1392                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1393                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1394                                 M_CLR   (d);
1395                                 M_FCMPLT(s1, s2, REG_FTMP3);
1396                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1397                                 M_LSUB_IMM(REG_ZERO, 1, d);
1398                         } else {
1399                                 M_LADD_IMM(REG_ZERO, 1, d);
1400                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1401                                 M_TRAPB;
1402                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1403                                 M_CLR   (d);
1404                                 M_FCMPLTS(s1, s2, REG_FTMP3);
1405                                 M_TRAPB;
1406                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1407                                 M_LSUB_IMM(REG_ZERO, 1, d);
1408                         }
1409                         emit_store_dst(jd, iptr, d);
1410                         break;
1411
1412
1413                 /* memory operations **************************************************/
1414
1415                 case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
1416
1417                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1418                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1419                         /* implicit null-pointer check */
1420                         M_ILD(d, s1, OFFSET(java_array_t, size));
1421                         emit_store_dst(jd, iptr, d);
1422                         break;
1423
1424                 case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
1425
1426                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1427                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1428                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1429                         /* implicit null-pointer check */
1430                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1431                         if (has_ext_instr_set) {
1432                                 M_LADD(s2, s1, REG_ITMP1);
1433                                 M_BLDU(d, REG_ITMP1, OFFSET (java_bytearray_t, data[0]));
1434                                 M_BSEXT(d, d);
1435                         }
1436                         else {
1437                                 M_LADD(s2, s1, REG_ITMP1);
1438                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1439                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0])+1);
1440                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1441                                 M_SRA_IMM(d, 56, d);
1442                         }
1443                         emit_store_dst(jd, iptr, d);
1444                         break;
1445
1446                 case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
1447
1448                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1449                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1450                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1451                         /* implicit null-pointer check */
1452                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1453                         if (has_ext_instr_set) {
1454                                 M_LADD(s2, s1, REG_ITMP1);
1455                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1456                                 M_SLDU(d, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1457                         }
1458                         else {
1459                                 M_LADD (s2, s1, REG_ITMP1);
1460                                 M_LADD (s2, REG_ITMP1, REG_ITMP1);
1461                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1462                                 M_LDA  (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1463                                 M_EXTWL(REG_ITMP2, REG_ITMP1, d);
1464                         }
1465                         emit_store_dst(jd, iptr, d);
1466                         break;
1467
1468                 case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
1469
1470                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1471                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1472                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1473                         /* implicit null-pointer check */
1474                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1475                         if (has_ext_instr_set) {
1476                                 M_LADD(s2, s1, REG_ITMP1);
1477                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1478                                 M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray_t, data[0]));
1479                                 M_SSEXT(d, d);
1480                         } else {
1481                                 M_LADD(s2, s1, REG_ITMP1);
1482                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1483                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1484                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0])+2);
1485                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1486                                 M_SRA_IMM(d, 48, d);
1487                         }
1488                         emit_store_dst(jd, iptr, d);
1489                         break;
1490
1491                 case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
1492
1493                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1494                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1495                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1496                         /* implicit null-pointer check */
1497                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1498                         M_S4ADDQ(s2, s1, REG_ITMP1);
1499                         M_ILD(d, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1500                         emit_store_dst(jd, iptr, d);
1501                         break;
1502
1503                 case ICMD_LALOAD:     /* ..., 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_S8ADDQ(s2, s1, REG_ITMP1);
1511                         M_LLD(d, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1512                         emit_store_dst(jd, iptr, d);
1513                         break;
1514
1515                 case ICMD_FALOAD:     /* ..., 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_FTMP2);
1520                         /* implicit null-pointer check */
1521                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1522                         M_S4ADDQ(s2, s1, REG_ITMP1);
1523                         M_FLD(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1524                         emit_store_dst(jd, iptr, d);
1525                         break;
1526
1527                 case ICMD_DALOAD:     /* ..., 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_S8ADDQ(s2, s1, REG_ITMP1);
1535                         M_DLD(d, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1536                         emit_store_dst(jd, iptr, d);
1537                         break;
1538
1539                 case ICMD_AALOAD:     /* ..., 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_ITMP2);
1544                         /* implicit null-pointer check */
1545                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1546                         M_SAADDQ(s2, s1, REG_ITMP1);
1547                         M_ALD(d, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1548                         emit_store_dst(jd, iptr, d);
1549                         break;
1550
1551
1552                 case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
1553
1554                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1555                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1556                         /* implicit null-pointer check */
1557                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1558                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1559                         if (has_ext_instr_set) {
1560                                 M_LADD(s2, s1, REG_ITMP1);
1561                                 M_BST(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1562                         }
1563                         else {
1564                                 M_LADD(s2, s1, REG_ITMP1);
1565                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1566                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1567                                 M_INSBL(s3, REG_ITMP1, REG_ITMP3);
1568                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1569                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1570                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1571                         }
1572                         break;
1573
1574                 case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
1575
1576                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1577                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1578                         /* implicit null-pointer check */
1579                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1580                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1581                         if (has_ext_instr_set) {
1582                                 M_LADD(s2, s1, REG_ITMP1);
1583                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1584                                 M_SST(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1585                         }
1586                         else {
1587                                 M_LADD(s2, s1, REG_ITMP1);
1588                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1589                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1590                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1591                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1592                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1593                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1594                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1595                         }
1596                         break;
1597
1598                 case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
1599
1600                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1601                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1602                         /* implicit null-pointer check */
1603                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1604                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1605                         if (has_ext_instr_set) {
1606                                 M_LADD(s2, s1, REG_ITMP1);
1607                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1608                                 M_SST(s3, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1609                         }
1610                         else {
1611                                 M_LADD(s2, s1, REG_ITMP1);
1612                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1613                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1614                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1615                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1616                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1617                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1618                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1619                         }
1620                         break;
1621
1622                 case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
1623
1624                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1625                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1626                         /* implicit null-pointer check */
1627                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1628                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1629                         M_S4ADDQ(s2, s1, REG_ITMP1);
1630                         M_IST(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1631                         break;
1632
1633                 case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
1634
1635                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1636                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1637                         /* implicit null-pointer check */
1638                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1639                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1640                         M_S8ADDQ(s2, s1, REG_ITMP1);
1641                         M_LST(s3, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1642                         break;
1643
1644                 case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
1645
1646                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1647                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1648                         /* implicit null-pointer check */
1649                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1650                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1651                         M_S4ADDQ(s2, s1, REG_ITMP1);
1652                         M_FST(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1653                         break;
1654
1655                 case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
1656
1657                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1658                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1659                         /* implicit null-pointer check */
1660                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1661                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1662                         M_S8ADDQ(s2, s1, REG_ITMP1);
1663                         M_DST(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1664                         break;
1665
1666                 case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
1667
1668                         s1 = emit_load_s1(jd, iptr, REG_A0);
1669                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1670                         /* implicit null-pointer check */
1671                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1672                         s3 = emit_load_s3(jd, iptr, REG_A1);
1673
1674                         M_INTMOVE(s1, REG_A0);
1675                         M_INTMOVE(s3, REG_A1);
1676
1677                         disp = dseg_add_functionptr(cd, BUILTIN_canstore);
1678                         M_ALD(REG_PV, REG_PV, disp);
1679                         M_JSR(REG_RA, REG_PV);
1680                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
1681                         M_LDA(REG_PV, REG_RA, -disp);
1682                         emit_exception_check(cd, iptr);
1683
1684                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1685                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1686                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1687                         M_SAADDQ(s2, s1, REG_ITMP1);
1688                         M_AST(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1689                         break;
1690
1691
1692                 case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
1693
1694                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1695                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1696                         /* implicit null-pointer check */
1697                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1698                         if (has_ext_instr_set) {
1699                                 M_LADD(s2, s1, REG_ITMP1);
1700                                 M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1701                         }
1702                         else {
1703                                 M_LADD(s2, s1, REG_ITMP1);
1704                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1705                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1706                                 M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1707                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1708                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1709                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1710                         }
1711                         break;
1712
1713                 case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
1714
1715                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1716                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1717                         /* implicit null-pointer check */
1718                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1719                         if (has_ext_instr_set) {
1720                                 M_LADD(s2, s1, REG_ITMP1);
1721                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1722                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1723                         }
1724                         else {
1725                                 M_LADD(s2, s1, REG_ITMP1);
1726                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1727                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1728                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1729                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1730                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1731                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1732                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1733                         }
1734                         break;
1735
1736                 case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
1737
1738                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1739                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1740                         /* implicit null-pointer check */
1741                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1742                         if (has_ext_instr_set) {
1743                                 M_LADD(s2, s1, REG_ITMP1);
1744                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1745                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1746                         }
1747                         else {
1748                                 M_LADD(s2, s1, REG_ITMP1);
1749                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1750                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1751                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1752                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1753                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1754                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1755                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1756                         }
1757                         break;
1758
1759                 case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
1760
1761                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1762                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1763                         /* implicit null-pointer check */
1764                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1765                         M_S4ADDQ(s2, s1, REG_ITMP1);
1766                         M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1767                         break;
1768
1769                 case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
1770
1771                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1772                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1773                         /* implicit null-pointer check */
1774                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1775                         M_S8ADDQ(s2, s1, REG_ITMP1);
1776                         M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1777                         break;
1778
1779                 case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
1780
1781                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1782                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1783                         /* implicit null-pointer check */
1784                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1785                         M_SAADDQ(s2, s1, REG_ITMP1);
1786                         M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1787                         break;
1788
1789
1790                 case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
1791
1792                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1793                                 uf        = iptr->sx.s23.s3.uf;
1794                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1795                                 disp      = dseg_add_unique_address(cd, uf);
1796
1797                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1798                         }
1799                         else {
1800                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1801                                 fieldtype = fi->type;
1802                                 disp      = dseg_add_address(cd, fi->value);
1803
1804                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1805                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1806                                                                                   0);
1807                         }
1808
1809                         M_ALD(REG_ITMP1, REG_PV, disp);
1810                         switch (fieldtype) {
1811                         case TYPE_INT:
1812                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1813                                 M_ILD(d, REG_ITMP1, 0);
1814                                 break;
1815                         case TYPE_LNG:
1816                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1817                                 M_LLD(d, REG_ITMP1, 0);
1818                                 break;
1819                         case TYPE_ADR:
1820                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1821                                 M_ALD(d, REG_ITMP1, 0);
1822                                 break;
1823                         case TYPE_FLT:
1824                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1825                                 M_FLD(d, REG_ITMP1, 0);
1826                                 break;
1827                         case TYPE_DBL:
1828                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1829                                 M_DLD(d, REG_ITMP1, 0);
1830                                 break;
1831                         }
1832                         emit_store_dst(jd, iptr, d);
1833                         break;
1834
1835                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
1836
1837                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1838                                 uf        = iptr->sx.s23.s3.uf;
1839                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1840                                 disp      = dseg_add_unique_address(cd, uf);
1841
1842                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1843                         }
1844                         else {
1845                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1846                                 fieldtype = fi->type;
1847                                 disp      = dseg_add_address(cd, fi->value);
1848
1849                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1850                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1851                                                                                   0);
1852                         }
1853
1854                         M_ALD(REG_ITMP1, REG_PV, disp);
1855                         switch (fieldtype) {
1856                         case TYPE_INT:
1857                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1858                                 M_IST(s1, REG_ITMP1, 0);
1859                                 break;
1860                         case TYPE_LNG:
1861                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1862                                 M_LST(s1, REG_ITMP1, 0);
1863                                 break;
1864                         case TYPE_ADR:
1865                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1866                                 M_AST(s1, REG_ITMP1, 0);
1867                                 break;
1868                         case TYPE_FLT:
1869                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1870                                 M_FST(s1, REG_ITMP1, 0);
1871                                 break;
1872                         case TYPE_DBL:
1873                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1874                                 M_DST(s1, REG_ITMP1, 0);
1875                                 break;
1876                         }
1877                         break;
1878
1879                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
1880                                           /* val = value (in current instruction)     */
1881                                           /* following NOP)                           */
1882
1883                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1884                                 uf        = iptr->sx.s23.s3.uf;
1885                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1886                                 disp      = dseg_add_unique_address(cd, uf);
1887
1888                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1889                         }
1890                         else {
1891                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1892                                 fieldtype = fi->type;
1893                                 disp      = dseg_add_address(cd, fi->value);
1894
1895                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1896                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1897                                                                                   0);
1898                         }
1899
1900                         M_ALD(REG_ITMP1, REG_PV, disp);
1901                         switch (fieldtype) {
1902                         case TYPE_INT:
1903                                 M_IST(REG_ZERO, REG_ITMP1, 0);
1904                                 break;
1905                         case TYPE_LNG:
1906                                 M_LST(REG_ZERO, REG_ITMP1, 0);
1907                                 break;
1908                         case TYPE_ADR:
1909                                 M_AST(REG_ZERO, REG_ITMP1, 0);
1910                                 break;
1911                         case TYPE_FLT:
1912                                 M_FST(REG_ZERO, REG_ITMP1, 0);
1913                                 break;
1914                         case TYPE_DBL:
1915                                 M_DST(REG_ZERO, REG_ITMP1, 0);
1916                                 break;
1917                         }
1918                         break;
1919
1920
1921                 case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
1922
1923                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1924
1925                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1926                                 uf        = iptr->sx.s23.s3.uf;
1927                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1928                                 disp      = 0;
1929
1930                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1931                         }
1932                         else {
1933                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1934                                 fieldtype = fi->type;
1935                                 disp      = fi->offset;
1936                         }
1937
1938                         /* implicit null-pointer check */
1939                         switch (fieldtype) {
1940                         case TYPE_INT:
1941                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1942                                 M_ILD(d, s1, disp);
1943                                 break;
1944                         case TYPE_LNG:
1945                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1946                                 M_LLD(d, s1, disp);
1947                                 break;
1948                         case TYPE_ADR:
1949                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1950                                 M_ALD(d, s1, disp);
1951                                 break;
1952                         case TYPE_FLT:
1953                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1954                                 M_FLD(d, s1, disp);
1955                                 break;
1956                         case TYPE_DBL:
1957                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1958                                 M_DLD(d, s1, disp);
1959                                 break;
1960                         }
1961                         emit_store_dst(jd, iptr, d);
1962                         break;
1963
1964                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
1965
1966                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1967
1968                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1969                                 uf        = iptr->sx.s23.s3.uf;
1970                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1971                                 disp      = 0;
1972                         }
1973                         else {
1974                                 uf        = NULL;
1975                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1976                                 fieldtype = fi->type;
1977                                 disp      = fi->offset;
1978                         }
1979
1980                         if (IS_INT_LNG_TYPE(fieldtype))
1981                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1982                         else
1983                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1984
1985                         if (INSTRUCTION_IS_UNRESOLVED(iptr))
1986                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1987
1988                         /* implicit null-pointer check */
1989                         switch (fieldtype) {
1990                         case TYPE_INT:
1991                                 M_IST(s2, s1, disp);
1992                                 break;
1993                         case TYPE_LNG:
1994                                 M_LST(s2, s1, disp);
1995                                 break;
1996                         case TYPE_ADR:
1997                                 M_AST(s2, s1, disp);
1998                                 break;
1999                         case TYPE_FLT:
2000                                 M_FST(s2, s1, disp);
2001                                 break;
2002                         case TYPE_DBL:
2003                                 M_DST(s2, s1, disp);
2004                                 break;
2005                         }
2006                         break;
2007
2008                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
2009                                           /* val = value (in current instruction)     */
2010                                           /* following NOP)                           */
2011
2012                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2013
2014                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2015                                 uf        = iptr->sx.s23.s3.uf;
2016                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2017                                 disp      = 0;
2018
2019                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
2020                         }
2021                         else {
2022                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
2023                                 fieldtype = fi->type;
2024                                 disp      = fi->offset;
2025                         }
2026
2027                         /* implicit null-pointer check */
2028                         switch (fieldtype) {
2029                         case TYPE_INT:
2030                                 M_IST(REG_ZERO, s1, disp);
2031                                 break;
2032                         case TYPE_LNG:
2033                                 M_LST(REG_ZERO, s1, disp);
2034                                 break;
2035                         case TYPE_ADR:
2036                                 M_AST(REG_ZERO, s1, disp);
2037                                 break;
2038                         case TYPE_FLT:
2039                                 M_FST(REG_ZERO, s1, disp);
2040                                 break;
2041                         case TYPE_DBL:
2042                                 M_DST(REG_ZERO, s1, disp);
2043                                 break;
2044                         }
2045                         break;
2046
2047
2048                 /* branch operations **************************************************/
2049
2050                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2051
2052                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2053                         M_INTMOVE(s1, REG_ITMP1_XPTR);
2054
2055 #ifdef ENABLE_VERIFIER
2056                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2057                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2058
2059                                 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2060                         }
2061 #endif /* ENABLE_VERIFIER */
2062
2063                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2064                         M_ALD(REG_ITMP2, REG_PV, disp);
2065                         M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2066                         M_NOP;              /* nop ensures that XPC is less than the end */
2067                                             /* of basic block                            */
2068                         ALIGNCODENOP;
2069                         break;
2070
2071                 case ICMD_GOTO:         /* ... ==> ...                                */
2072                 case ICMD_RET:          /* ... ==> ...                                */
2073
2074                         emit_br(cd, iptr->dst.block);
2075                         ALIGNCODENOP;
2076                         break;
2077
2078                 case ICMD_JSR:          /* ... ==> ...                                */
2079
2080                         emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
2081                         ALIGNCODENOP;
2082                         break;
2083
2084                 case ICMD_IFNULL:       /* ..., value ==> ...                         */
2085                 case ICMD_IFNONNULL:
2086
2087                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2088                         emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
2089                         break;
2090
2091                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2092
2093                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2094                         if (iptr->sx.val.i == 0)
2095                                 emit_beqz(cd, iptr->dst.block, s1);
2096                         else {
2097                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2098                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2099                                 else {
2100                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2101                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2102                                 }
2103                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2104                         }
2105                         break;
2106
2107                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2108
2109                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2110                         if (iptr->sx.val.i == 0)
2111                                 emit_bltz(cd, iptr->dst.block, s1);
2112                         else {
2113                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2114                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2115                                 else {
2116                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2117                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2118                                 }
2119                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2120                         }
2121                         break;
2122
2123                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2124
2125                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2126                         if (iptr->sx.val.i == 0)
2127                                 emit_blez(cd, iptr->dst.block, s1);
2128                         else {
2129                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2130                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2131                                 else {
2132                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2133                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2134                                 }
2135                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2136                         }
2137                         break;
2138
2139                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2140
2141                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2142                         if (iptr->sx.val.i == 0)
2143                                 emit_bnez(cd, iptr->dst.block, s1);
2144                         else {
2145                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2146                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2147                                 else {
2148                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2149                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2150                                 }
2151                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2152                         }
2153                         break;
2154
2155                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2156
2157                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2158                         if (iptr->sx.val.i == 0)
2159                                 emit_bgtz(cd, iptr->dst.block, s1);
2160                         else {
2161                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2162                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2163                                 else {
2164                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2165                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2166                                 }
2167                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2168                         }
2169                         break;
2170
2171                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2172
2173                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2174                         if (iptr->sx.val.i == 0)
2175                                 emit_bgez(cd, iptr->dst.block, s1);
2176                         else {
2177                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2178                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2179                                 else {
2180                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2181                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2182                                 }
2183                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2184                         }
2185                         break;
2186
2187                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2188
2189                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2190                         if (iptr->sx.val.l == 0)
2191                                 emit_beqz(cd, iptr->dst.block, s1);
2192                         else {
2193                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2194                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2195                                 else {
2196                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2197                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2198                                 }
2199                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2200                         }
2201                         break;
2202
2203                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2204
2205                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2206                         if (iptr->sx.val.l == 0)
2207                                 emit_bltz(cd, iptr->dst.block, s1);
2208                         else {
2209                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2210                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2211                                 else {
2212                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2213                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2214                                 }
2215                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2216                         }
2217                         break;
2218
2219                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2220
2221                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2222                         if (iptr->sx.val.l == 0)
2223                                 emit_blez(cd, iptr->dst.block, s1);
2224                         else {
2225                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2226                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2227                                 else {
2228                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2229                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2230                                 }
2231                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2232                         }
2233                         break;
2234
2235                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2236
2237                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2238                         if (iptr->sx.val.l == 0)
2239                                 emit_bnez(cd, iptr->dst.block, s1);
2240                         else {
2241                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2242                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2243                                 else {
2244                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2245                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2246                                 }
2247                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2248                         }
2249                         break;
2250
2251                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2252
2253                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2254                         if (iptr->sx.val.l == 0)
2255                                 emit_bgtz(cd, iptr->dst.block, s1);
2256                         else {
2257                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2258                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2259                                 else {
2260                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2261                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2262                                 }
2263                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2264                         }
2265                         break;
2266
2267                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2268
2269                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2270                         if (iptr->sx.val.l == 0)
2271                                 emit_bgez(cd, iptr->dst.block, s1);
2272                         else {
2273                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2274                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2275                                 else {
2276                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2277                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2278                                 }
2279                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2280                         }
2281                         break;
2282
2283                 case ICMD_IF_ICMPEQ:    /* ..., value, value ==> ...                  */
2284                 case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
2285                 case ICMD_IF_ACMPEQ:
2286
2287                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2288                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2289                         M_CMPEQ(s1, s2, REG_ITMP1);
2290                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2291                         break;
2292
2293                 case ICMD_IF_ICMPNE:    /* ..., value, value ==> ...                  */
2294                 case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
2295                 case ICMD_IF_ACMPNE:
2296
2297                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2298                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2299                         M_CMPEQ(s1, s2, REG_ITMP1);
2300                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2301                         break;
2302
2303                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2304                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2305
2306                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2307                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2308                         M_CMPLT(s1, s2, REG_ITMP1);
2309                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2310                         break;
2311
2312                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2313                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2314
2315                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2316                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2317                         M_CMPLE(s1, s2, REG_ITMP1);
2318                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2319                         break;
2320
2321                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2322                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2323
2324                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2325                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2326                         M_CMPLE(s1, s2, REG_ITMP1);
2327                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2328                         break;
2329
2330                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2331                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2332
2333                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2334                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2335                         M_CMPLT(s1, s2, REG_ITMP1);
2336                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2337                         break;
2338
2339
2340                 case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
2341                 case ICMD_LRETURN:
2342
2343                         REPLACEMENT_POINT_RETURN(cd, iptr);
2344                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2345                         M_INTMOVE(s1, REG_RESULT);
2346                         goto nowperformreturn;
2347
2348                 case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
2349
2350                         REPLACEMENT_POINT_RETURN(cd, iptr);
2351                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2352                         M_INTMOVE(s1, REG_RESULT);
2353
2354 #ifdef ENABLE_VERIFIER
2355                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2356                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2357
2358                                 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2359                         }
2360 #endif /* ENABLE_VERIFIER */
2361                         goto nowperformreturn;
2362
2363                 case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
2364                 case ICMD_DRETURN:
2365
2366                         REPLACEMENT_POINT_RETURN(cd, iptr);
2367                         s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2368                         M_FLTMOVE(s1, REG_FRESULT);
2369                         goto nowperformreturn;
2370
2371                 case ICMD_RETURN:       /* ...  ==> ...                               */
2372
2373                         REPLACEMENT_POINT_RETURN(cd, iptr);
2374
2375 nowperformreturn:
2376                         {
2377                         s4 i, p;
2378
2379                         p = cd->stackframesize;
2380
2381                         /* call trace function */
2382
2383 #if !defined(NDEBUG)
2384                         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2385                                 emit_verbosecall_exit(jd);
2386 #endif
2387
2388 #if defined(ENABLE_THREADS)
2389                         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2390                                 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2391
2392                                 switch (iptr->opc) {
2393                                 case ICMD_IRETURN:
2394                                 case ICMD_LRETURN:
2395                                 case ICMD_ARETURN:
2396                                         M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2397                                         break;
2398                                 case ICMD_FRETURN:
2399                                 case ICMD_DRETURN:
2400                                         M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2401                                         break;
2402                                 }
2403
2404                                 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2405                                 M_ALD(REG_PV, REG_PV, disp);
2406                                 M_JSR(REG_RA, REG_PV);
2407                                 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2408                                 M_LDA(REG_PV, REG_RA, disp);
2409
2410                                 switch (iptr->opc) {
2411                                 case ICMD_IRETURN:
2412                                 case ICMD_LRETURN:
2413                                 case ICMD_ARETURN:
2414                                         M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2415                                         break;
2416                                 case ICMD_FRETURN:
2417                                 case ICMD_DRETURN:
2418                                         M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2419                                         break;
2420                                 }
2421                         }
2422 #endif
2423
2424                         /* restore return address                                         */
2425
2426                         if (!jd->isleafmethod) {
2427                                 p--; M_LLD(REG_RA, REG_SP, p * 8);
2428                         }
2429
2430                         /* restore saved registers                                        */
2431
2432                         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2433                                 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2434                         }
2435                         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2436                                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2437                         }
2438
2439                         /* deallocate stack                                               */
2440
2441                         if (cd->stackframesize)
2442                                 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2443
2444                         M_RET(REG_ZERO, REG_RA);
2445                         ALIGNCODENOP;
2446                         }
2447                         break;
2448
2449
2450                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2451                         {
2452                         s4 i, l;
2453                         branch_target_t *table;
2454
2455                         table = iptr->dst.table;
2456
2457                         l = iptr->sx.s23.s2.tablelow;
2458                         i = iptr->sx.s23.s3.tablehigh;
2459
2460                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2461                         if (l == 0) {
2462                                 M_INTMOVE(s1, REG_ITMP1);
2463                         } else if (l <= 32768) {
2464                                 M_LDA(REG_ITMP1, s1, -l);
2465                         } else {
2466                                 ICONST(REG_ITMP2, l);
2467                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2468                         }
2469
2470                         /* number of targets */
2471                         i = i - l + 1;
2472
2473                         /* range check */
2474
2475                         if (i <= 256)
2476                                 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2477                         else {
2478                                 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2479                                 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2480                         }
2481                         emit_beqz(cd, table[0].block, REG_ITMP2);
2482
2483                         /* build jump table top down and use address of lowest entry */
2484
2485                         table += i;
2486
2487                         while (--i >= 0) {
2488                                 dseg_add_target(cd, table->block);
2489                                 --table;
2490                         }
2491                         }
2492
2493                         /* length of dataseg after last dseg_add_target is used by load */
2494
2495                         M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2496                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2497                         M_JMP(REG_ZERO, REG_ITMP2);
2498                         ALIGNCODENOP;
2499                         break;
2500
2501
2502                 case ICMD_LOOKUPSWITCH: /* ..., key ==> ...                           */
2503                         {
2504                         s4 i, val;
2505                         lookup_target_t *lookup;
2506
2507                         lookup = iptr->dst.lookup;
2508
2509                         i = iptr->sx.s23.s2.lookupcount;
2510
2511                         MCODECHECK((i<<2)+8);
2512                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2513
2514                         while (--i >= 0) {
2515                                 val = lookup->value;
2516                                 if ((val >= 0) && (val <= 255)) {
2517                                         M_CMPEQ_IMM(s1, val, REG_ITMP2);
2518                                 } else {
2519                                         if ((val >= -32768) && (val <= 32767)) {
2520                                                 M_LDA(REG_ITMP2, REG_ZERO, val);
2521                                         } else {
2522                                                 disp = dseg_add_s4(cd, val);
2523                                                 M_ILD(REG_ITMP2, REG_PV, disp);
2524                                         }
2525                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2526                                 }
2527                                 emit_bnez(cd, lookup->target.block, REG_ITMP2);
2528                                 lookup++;
2529                         }
2530
2531                         emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2532                         ALIGNCODENOP;
2533                         break;
2534                         }
2535
2536
2537                 case ICMD_BUILTIN:      /* ..., arg1, arg2, arg3 ==> ...              */
2538
2539                         bte = iptr->sx.s23.s3.bte;
2540                         md  = bte->md;
2541                         goto gen_method;
2542
2543                 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
2544
2545                 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2546                 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
2547                 case ICMD_INVOKEINTERFACE:
2548
2549                         REPLACEMENT_POINT_INVOKE(cd, iptr);
2550
2551                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2552                                 lm = NULL;
2553                                 um = iptr->sx.s23.s3.um;
2554                                 md = um->methodref->parseddesc.md;
2555                         }
2556                         else {
2557                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2558                                 um = NULL;
2559                                 md = lm->parseddesc;
2560                         }
2561
2562 gen_method:
2563                         s3 = md->paramcount;
2564
2565                         MCODECHECK((s3 << 1) + 64);
2566
2567                         /* copy arguments to registers or stack location                  */
2568
2569                         for (s3 = s3 - 1; s3 >= 0; s3--) {
2570                                 var = VAR(iptr->sx.s23.s2.args[s3]);
2571                                 d   = md->params[s3].regoff;
2572
2573                                 /* already preallocated (ARGVAR)? */
2574
2575                                 if (var->flags & PREALLOC)
2576                                         continue;
2577
2578                                 if (IS_INT_LNG_TYPE(var->type)) {
2579                                         if (!md->params[s3].inmemory) {
2580                                                 s1 = emit_load(jd, iptr, var, d);
2581                                                 M_INTMOVE(s1, d);
2582                                         }
2583                                         else {
2584                                                 s1 = emit_load(jd, iptr, var, REG_ITMP1);
2585                                                 M_LST(s1, REG_SP, d);
2586                                         }
2587                                 }
2588                                 else {
2589                                         if (!md->params[s3].inmemory) {
2590                                                 s1 = emit_load(jd, iptr, var, d);
2591                                                 M_FLTMOVE(s1, d);
2592                                         }
2593                                         else {
2594                                                 s1 = emit_load(jd, iptr, var, REG_FTMP1);
2595                                                 M_DST(s1, REG_SP, d);
2596                                         }
2597                                 }
2598                         }
2599
2600                         switch (iptr->opc) {
2601                         case ICMD_BUILTIN:
2602                                 disp = dseg_add_functionptr(cd, bte->fp);
2603
2604                                 M_ALD(REG_PV, REG_PV, disp);  /* Pointer to built-in-function */
2605
2606                                 /* generate the actual call */
2607
2608                                 M_JSR(REG_RA, REG_PV);
2609                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2610                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2611                                 M_LDA(REG_PV, REG_RA, -disp);
2612
2613                                 emit_exception_check(cd, iptr);
2614                                 break;
2615
2616                         case ICMD_INVOKESPECIAL:
2617                                 emit_nullpointer_check(cd, iptr, REG_A0);
2618                                 /* fall-through */
2619
2620                         case ICMD_INVOKESTATIC:
2621                                 if (lm == NULL) {
2622                                         disp = dseg_add_unique_address(cd, um);
2623
2624                                         patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
2625                                                                                   um, disp);
2626                                 }
2627                                 else
2628                                         disp = dseg_add_address(cd, lm->stubroutine);
2629
2630                                 M_ALD(REG_PV, REG_PV, disp);         /* method pointer in r27 */
2631
2632                                 /* generate the actual call */
2633
2634                                 M_JSR(REG_RA, REG_PV);
2635                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2636                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2637                                 M_LDA(REG_PV, REG_RA, -disp);
2638                                 break;
2639
2640                         case ICMD_INVOKEVIRTUAL:
2641                                 if (lm == NULL) {
2642                                         patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2643
2644                                         s1 = 0;
2645                                 }
2646                                 else
2647                                         s1 = OFFSET(vftbl_t, table[0]) +
2648                                                 sizeof(methodptr) * lm->vftblindex;
2649
2650                                 /* implicit null-pointer check */
2651                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2652                                 M_ALD(REG_PV, REG_METHODPTR, s1);
2653
2654                                 /* generate the actual call */
2655
2656                                 M_JSR(REG_RA, REG_PV);
2657                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2658                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2659                                 M_LDA(REG_PV, REG_RA, -disp);
2660                                 break;
2661
2662                         case ICMD_INVOKEINTERFACE:
2663                                 if (lm == NULL) {
2664                                         patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2665
2666                                         s1 = 0;
2667                                         s2 = 0;
2668                                 }
2669                                 else {
2670                                         s1 = OFFSET(vftbl_t, interfacetable[0]) -
2671                                                 sizeof(methodptr*) * lm->class->index;
2672
2673                                         s2 = sizeof(methodptr) * (lm - lm->class->methods);
2674                                 }
2675
2676                                 /* implicit null-pointer check */
2677                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2678                                 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2679                                 M_ALD(REG_PV, REG_METHODPTR, s2);
2680
2681                                 /* generate the actual call */
2682
2683                                 M_JSR(REG_RA, REG_PV);
2684                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2685                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2686                                 M_LDA(REG_PV, REG_RA, -disp);
2687                                 break;
2688                         }
2689
2690                         /* store the return value */
2691
2692                         d = md->returntype.type;
2693
2694                         if (d != TYPE_VOID) {
2695                                 if (IS_INT_LNG_TYPE(d)) {
2696                                         s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2697                                         M_INTMOVE(REG_RESULT, s1);
2698                                 }
2699                                 else {
2700                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2701                                         M_FLTMOVE(REG_FRESULT, s1);
2702                                 }
2703                                 emit_store_dst(jd, iptr, s1);
2704                         }
2705                         break;
2706
2707
2708                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
2709
2710                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2711                                 /* object type cast-check */
2712
2713                                 classinfo *super;
2714                                 s4         superindex;
2715
2716                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2717                                         super      = NULL;
2718                                         superindex = 0;
2719                                 }
2720                                 else {
2721                                         super      = iptr->sx.s23.s3.c.cls;
2722                                         superindex = super->index;
2723                                 }
2724
2725                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2726                                         CODEGEN_CRITICAL_SECTION_NEW;
2727
2728                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2729
2730                                 /* if class is not resolved, check which code to call */
2731
2732                                 if (super == NULL) {
2733                                         emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2734
2735                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
2736
2737                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2738                                                                                   iptr->sx.s23.s3.c.ref,
2739                                                                                   disp);
2740
2741                                         M_ILD(REG_ITMP2, REG_PV, disp);
2742                                         disp = dseg_add_s4(cd, ACC_INTERFACE);
2743                                         M_ILD(REG_ITMP3, REG_PV, disp);
2744                                         M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2745                                         emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
2746                                 }
2747
2748                                 /* interface checkcast code */
2749
2750                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2751                                         if (super == NULL) {
2752                                                 patcher_add_patch_ref(jd,
2753                                                                                           PATCHER_checkcast_interface,
2754                                                                                           iptr->sx.s23.s3.c.ref,
2755                                                                                           0);
2756                                         }
2757                                         else
2758                                                 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2759
2760                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2761                                         M_ILD(REG_ITMP3, REG_ITMP2,
2762                                                   OFFSET(vftbl_t, interfacetablelength));
2763                                         M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2764                                         emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2765
2766                                         M_ALD(REG_ITMP3, REG_ITMP2,
2767                                                   (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2768                                                                 superindex * sizeof(methodptr*)));
2769                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2770
2771                                         if (super == NULL)
2772                                                 emit_label_br(cd, BRANCH_LABEL_4);
2773                                         else
2774                                                 emit_label(cd, BRANCH_LABEL_3);
2775                                 }
2776
2777                                 /* class checkcast code */
2778
2779                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2780                                         if (super == NULL) {
2781                                                 emit_label(cd, BRANCH_LABEL_2);
2782
2783                                                 disp = dseg_add_unique_address(cd, NULL);
2784
2785                                                 patcher_add_patch_ref(jd,
2786                                                                                           PATCHER_resolve_classref_to_vftbl,
2787                                                                                           iptr->sx.s23.s3.c.ref,
2788                                                                                           disp);
2789                                         }
2790                                         else {
2791                                                 disp = dseg_add_address(cd, super->vftbl);
2792
2793                                                 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2794                                         }
2795
2796                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2797                                         M_ALD(REG_ITMP3, REG_PV, disp);
2798
2799                                         CODEGEN_CRITICAL_SECTION_START;
2800
2801                                         M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2802                                         /*                              if (s1 != REG_ITMP1) { */
2803                                         /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
2804                                         /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
2805                                         /*  #if defined(ENABLE_THREADS) */
2806                                         /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
2807                                         /*  #endif */
2808                                         /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
2809
2810                                         /*                              } else { */
2811                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
2812                                         M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2813                                         M_ALD(REG_ITMP3, REG_PV, disp);
2814                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
2815
2816                                         CODEGEN_CRITICAL_SECTION_END;
2817
2818                                         /*                              } */
2819                                         M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2820                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2821
2822                                         if (super != NULL)
2823                                                 emit_label(cd, BRANCH_LABEL_5);
2824                                 }
2825
2826                                 if (super == NULL) {
2827                                         emit_label(cd, BRANCH_LABEL_1);
2828                                         emit_label(cd, BRANCH_LABEL_4);
2829                                 }
2830
2831                                 d = codegen_reg_of_dst(jd, iptr, s1);
2832                         }
2833                         else {
2834                                 /* array type cast-check */
2835
2836                                 s1 = emit_load_s1(jd, iptr, REG_A0);
2837                                 M_INTMOVE(s1, REG_A0);
2838
2839                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2840                                         disp = dseg_add_unique_address(cd, NULL);
2841
2842                                         patcher_add_patch_ref(jd,
2843                                                                                   PATCHER_resolve_classref_to_classinfo,
2844                                                                                   iptr->sx.s23.s3.c.ref,
2845                                                                                   disp);
2846                                 }
2847                                 else
2848                                         disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2849
2850                                 M_ALD(REG_A1, REG_PV, disp);
2851                                 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2852                                 M_ALD(REG_PV, REG_PV, disp);
2853                                 M_JSR(REG_RA, REG_PV);
2854                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2855                                 M_LDA(REG_PV, REG_RA, -disp);
2856
2857                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2858                                 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2859
2860                                 d = codegen_reg_of_dst(jd, iptr, s1);
2861                         }
2862
2863                         M_INTMOVE(s1, d);
2864                         emit_store_dst(jd, iptr, d);
2865                         break;
2866
2867                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
2868
2869                         {
2870                         classinfo *super;
2871                         vftbl_t   *supervftbl;
2872                         s4         superindex;
2873
2874                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2875                                 super = NULL;
2876                                 superindex = 0;
2877                                 supervftbl = NULL;
2878
2879                         } else {
2880                                 super = iptr->sx.s23.s3.c.cls;
2881                                 superindex = super->index;
2882                                 supervftbl = super->vftbl;
2883                         }
2884
2885                         if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2886                                 CODEGEN_CRITICAL_SECTION_NEW;
2887
2888                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2889                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2890
2891                         if (s1 == d) {
2892                                 M_MOV(s1, REG_ITMP1);
2893                                 s1 = REG_ITMP1;
2894                         }
2895
2896                         /* if class is not resolved, check which code to call */
2897
2898                         if (super == NULL) {
2899                                 M_CLR(d);
2900                                 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2901
2902                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
2903
2904                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2905                                                                           iptr->sx.s23.s3.c.ref, disp);
2906
2907                                 M_ILD(REG_ITMP3, REG_PV, disp);
2908
2909                                 disp = dseg_add_s4(cd, ACC_INTERFACE);
2910                                 M_ILD(REG_ITMP2, REG_PV, disp);
2911                                 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2912                                 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
2913                         }
2914
2915                         /* interface instanceof code */
2916
2917                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2918                                 if (super == NULL) {
2919                                         /* If d == REG_ITMP2, then it's destroyed in check
2920                                            code above. */
2921                                         if (d == REG_ITMP2)
2922                                                 M_CLR(d);
2923
2924                                         patcher_add_patch_ref(jd,
2925                                                                                   PATCHER_instanceof_interface,
2926                                                                                   iptr->sx.s23.s3.c.ref, 0);
2927                                 }
2928                                 else {
2929                                         M_CLR(d);
2930                                         emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2931                                 }
2932
2933                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2934                                 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2935                                 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2936                                 M_BLEZ(REG_ITMP3, 2);
2937                                 M_ALD(REG_ITMP1, REG_ITMP1,
2938                                           (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2939                                                         superindex * sizeof(methodptr*)));
2940                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
2941
2942                                 if (super == NULL)
2943                                         emit_label_br(cd, BRANCH_LABEL_4);
2944                                 else
2945                                         emit_label(cd, BRANCH_LABEL_3);
2946                         }
2947
2948                         /* class instanceof code */
2949
2950                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2951                                 if (super == NULL) {
2952                                         emit_label(cd, BRANCH_LABEL_2);
2953
2954                                         disp = dseg_add_unique_address(cd, NULL);
2955
2956                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2957                                                                                   iptr->sx.s23.s3.c.ref,
2958                                                                                   disp);
2959                                 }
2960                                 else {
2961                                         disp = dseg_add_address(cd, supervftbl);
2962
2963                                         M_CLR(d);
2964                                         emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2965                                 }
2966
2967                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2968                                 M_ALD(REG_ITMP2, REG_PV, disp);
2969
2970                                 CODEGEN_CRITICAL_SECTION_START;
2971
2972                                 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2973                                 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2974                                 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2975
2976                                 CODEGEN_CRITICAL_SECTION_END;
2977
2978                                 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2979                                 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
2980
2981                                 if (super != NULL)
2982                                         emit_label(cd, BRANCH_LABEL_5);
2983                         }
2984
2985                         if (super == NULL) {
2986                                 emit_label(cd, BRANCH_LABEL_1);
2987                                 emit_label(cd, BRANCH_LABEL_4);
2988                         }
2989
2990                         emit_store_dst(jd, iptr, d);
2991                         }
2992                         break;
2993
2994                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
2995
2996                         /* check for negative sizes and copy sizes to stack if necessary  */
2997
2998                         MCODECHECK((iptr->s1.argcount << 1) + 64);
2999
3000                         for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
3001
3002                                 var = VAR(iptr->sx.s23.s2.args[s1]);
3003
3004                                 /* copy SAVEDVAR sizes to stack */
3005
3006                                 /* Already Preallocated? */
3007
3008                                 if (!(var->flags & PREALLOC)) {
3009                                         s2 = emit_load(jd, iptr, var, REG_ITMP1);
3010                                         M_LST(s2, REG_SP, s1 * 8);
3011                                 }
3012                         }
3013
3014                         /* a0 = dimension count */
3015
3016                         ICONST(REG_A0, iptr->s1.argcount);
3017
3018                         /* is patcher function set? */
3019
3020                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3021                                 disp = dseg_add_unique_address(cd, 0);
3022
3023                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
3024                                                                           iptr->sx.s23.s3.c.ref,
3025                                                                           disp);
3026                         }
3027                         else
3028                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3029
3030                         /* a1 = arraydescriptor */
3031
3032                         M_ALD(REG_A1, REG_PV, disp);
3033
3034                         /* a2 = pointer to dimensions = stack pointer */
3035
3036                         M_INTMOVE(REG_SP, REG_A2);
3037
3038                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3039                         M_ALD(REG_PV, REG_PV, disp);
3040                         M_JSR(REG_RA, REG_PV);
3041                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3042                         M_LDA(REG_PV, REG_RA, -disp);
3043
3044                         /* check for exception before result assignment */
3045
3046                         emit_exception_check(cd, iptr);
3047
3048                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3049                         M_INTMOVE(REG_RESULT, d);
3050                         emit_store_dst(jd, iptr, d);
3051                         break;
3052
3053                 default:
3054                         exceptions_throw_internalerror("Unknown ICMD %d during code generation",
3055                                                                                    iptr->opc);
3056                         return false;
3057         } /* switch */
3058
3059         } /* for instruction */
3060
3061         } /* if (bptr -> flags >= BBREACHED) */
3062         } /* for basic block */
3063
3064         dseg_createlinenumbertable(cd);
3065
3066         /* generate traps */
3067
3068         emit_patcher_traps(jd);
3069
3070         /* everything's ok */
3071
3072         return true;
3073 }
3074
3075
3076 /* codegen_emit_stub_compiler **************************************************
3077
3078    Emits a stub routine which calls the compiler.
3079
3080 *******************************************************************************/
3081
3082 void codegen_emit_stub_compiler(jitdata *jd)
3083 {
3084         methodinfo  *m;
3085         codegendata *cd;
3086
3087         /* get required compiler data */
3088
3089         m  = jd->m;
3090         cd = jd->cd;
3091
3092         /* code for the stub */
3093
3094         M_ALD(REG_ITMP1, REG_PV, -2 * 8);   /* load codeinfo pointer              */
3095         M_ALD(REG_PV, REG_PV, -3 * 8);      /* load pointer to the compiler       */
3096         M_JMP(REG_ZERO, REG_PV);            /* jump to the compiler               */
3097 }
3098
3099
3100 /* codegen_emit_stub_native ****************************************************
3101
3102    Emits a stub routine which calls a native method.
3103
3104 *******************************************************************************/
3105
3106 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
3107 {
3108         methodinfo  *m;
3109         codeinfo    *code;
3110         codegendata *cd;
3111         methoddesc  *md;
3112         s4           nativeparams;
3113         s4           i, j;                 /* count variables                    */
3114         s4           t;
3115         s4           s1, s2, disp;
3116         s4           funcdisp;             /* displacement of the function       */
3117
3118         /* get required compiler data */
3119
3120         m    = jd->m;
3121         code = jd->code;
3122         cd   = jd->cd;
3123
3124         /* initialize variables */
3125
3126         md = m->parseddesc;
3127         nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3128
3129         /* calculate stack frame size */
3130
3131         cd->stackframesize =
3132                 1 +                             /* return address                     */
3133                 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3134                 sizeof(localref_table) / SIZEOF_VOID_P +
3135                 1 +                             /* methodinfo for call trace          */
3136                 md->paramcount +
3137                 nmd->memuse;
3138
3139         /* create method header */
3140
3141         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3142         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3143         (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
3144         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3145         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3146         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3147         (void) dseg_addlinenumbertablesize(cd);
3148         (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
3149
3150         /* generate stub code */
3151
3152         M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3153         M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3154
3155         /* call trace function */
3156
3157 #if !defined(NDEBUG)
3158         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3159                 emit_verbosecall_enter(jd);
3160 #endif
3161
3162         /* get function address (this must happen before the stackframeinfo) */
3163
3164         funcdisp = dseg_add_functionptr(cd, f);
3165
3166 #if !defined(WITH_STATIC_CLASSPATH)
3167         if (f == NULL)
3168                 patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
3169 #endif
3170
3171         /* save integer and float argument registers */
3172
3173         for (i = 0; i < md->paramcount; i++) {
3174                 if (!md->params[i].inmemory) {
3175                         s1 = md->params[i].regoff;
3176
3177                         switch (md->paramtypes[i].type) {
3178                         case TYPE_INT:
3179                         case TYPE_LNG:
3180                         case TYPE_ADR:
3181                                 M_LST(s1, REG_SP, i * 8);
3182                                 break;
3183                         case TYPE_FLT:
3184                         case TYPE_DBL:
3185                                 M_DST(s1, REG_SP, i * 8);
3186                                 break;
3187                         }
3188                 }
3189         }
3190
3191         /* prepare data structures for native function call */
3192
3193         M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3194         M_MOV(REG_PV, REG_A1);
3195         M_LDA(REG_A2, REG_SP, cd->stackframesize * 8);
3196         M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3197         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3198         M_ALD(REG_PV, REG_PV, disp);
3199         M_JSR(REG_RA, REG_PV);
3200         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3201         M_LDA(REG_PV, REG_RA, -disp);
3202
3203         /* restore integer and float argument registers */
3204
3205         for (i = 0; i < md->paramcount; i++) {
3206                 if (!md->params[i].inmemory) {
3207                         s1 = md->params[i].regoff;
3208
3209                         switch (md->paramtypes[i].type) {
3210                         case TYPE_INT:
3211                         case TYPE_LNG:
3212                         case TYPE_ADR:
3213                                 M_LLD(s1, REG_SP, i * 8);
3214                                 break;
3215                         case TYPE_FLT:
3216                         case TYPE_DBL:
3217                                 M_DLD(s1, REG_SP, i * 8);
3218                                 break;
3219                         }
3220                 }
3221         }
3222
3223         /* copy or spill arguments to new locations */
3224
3225         for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3226                 t = md->paramtypes[i].type;
3227
3228                 if (IS_INT_LNG_TYPE(t)) {
3229                         if (!md->params[i].inmemory) {
3230                                 s1 = md->params[i].regoff;
3231                                 s2 = nmd->params[j].regoff;
3232
3233                                 if (!nmd->params[j].inmemory)
3234                                         M_INTMOVE(s1, s2);
3235                                 else
3236                                         M_LST(s1, REG_SP, s2);
3237                         }
3238                         else {
3239                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3240                                 s2 = nmd->params[j].regoff;
3241                                 M_LLD(REG_ITMP1, REG_SP, s1);
3242                                 M_LST(REG_ITMP1, REG_SP, s2);
3243                         }
3244                 }
3245                 else {
3246                         if (!md->params[i].inmemory) {
3247                                 s1 = md->params[i].regoff;
3248                                 s2 = nmd->params[j].regoff;
3249
3250                                 if (!nmd->params[j].inmemory)
3251                                         M_FLTMOVE(s1, s2);
3252                                 else {
3253                                         if (IS_2_WORD_TYPE(t))
3254                                                 M_DST(s1, REG_SP, s2);
3255                                         else
3256                                                 M_FST(s1, REG_SP, s2);
3257                                 }
3258                         }
3259                         else {
3260                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3261                                 s2 = nmd->params[j].regoff;
3262                                 M_DLD(REG_FTMP1, REG_SP, s1);
3263                                 if (IS_2_WORD_TYPE(t))
3264                                         M_DST(REG_FTMP1, REG_SP, s2);
3265                                 else
3266                                         M_FST(REG_FTMP1, REG_SP, s2);
3267                         }
3268                 }
3269         }
3270
3271         /* put class into second argument register */
3272
3273         if (m->flags & ACC_STATIC) {
3274                 disp = dseg_add_address(cd, m->class);
3275                 M_ALD(REG_A1, REG_PV, disp);
3276         }
3277
3278         /* put env into first argument register */
3279
3280         disp = dseg_add_address(cd, _Jv_env);
3281         M_ALD(REG_A0, REG_PV, disp);
3282
3283         /* do the native function call */
3284
3285         M_ALD(REG_PV, REG_PV, funcdisp);
3286         M_JSR(REG_RA, REG_PV);              /* call native method                 */
3287         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3288         M_LDA(REG_PV, REG_RA, -disp);       /* recompute pv from ra               */
3289
3290         /* save return value */
3291
3292         switch (md->returntype.type) {
3293         case TYPE_INT:
3294         case TYPE_LNG:
3295         case TYPE_ADR:
3296                 M_LST(REG_RESULT, REG_SP, 0 * 8);
3297                 break;
3298         case TYPE_FLT:
3299         case TYPE_DBL:
3300                 M_DST(REG_FRESULT, REG_SP, 0 * 8);
3301                 break;
3302         case TYPE_VOID:
3303                 break;
3304         }
3305
3306         /* call finished trace */
3307
3308 #if !defined(NDEBUG)
3309         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3310                 emit_verbosecall_exit(jd);
3311 #endif
3312
3313         /* remove native stackframe info */
3314
3315         M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3316         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3317         M_ALD(REG_PV, REG_PV, disp);
3318         M_JSR(REG_RA, REG_PV);
3319         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3320         M_LDA(REG_PV, REG_RA, -disp);
3321         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3322
3323         /* restore return value */
3324
3325         switch (md->returntype.type) {
3326         case TYPE_INT:
3327         case TYPE_LNG:
3328         case TYPE_ADR:
3329                 M_LLD(REG_RESULT, REG_SP, 0 * 8);
3330                 break;
3331         case TYPE_FLT:
3332         case TYPE_DBL:
3333                 M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3334                 break;
3335         case TYPE_VOID:
3336                 break;
3337         }
3338
3339         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA            */
3340         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3341
3342         /* check for exception */
3343
3344         M_BNEZ(REG_ITMP1_XPTR, 1);          /* if no exception then return        */
3345         M_RET(REG_ZERO, REG_RA);            /* return to caller                   */
3346
3347         /* handle exception */
3348
3349         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address            */
3350
3351         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3352         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3353         M_JMP(REG_ZERO, REG_ITMP3);         /* jump to asm exception handler      */
3354
3355         /* generate patcher stubs */
3356
3357         emit_patcher_traps(jd);
3358 }
3359
3360
3361 /*
3362  * These are local overrides for various environment variables in Emacs.
3363  * Please do not remove this and leave it at the end of the file, where
3364  * Emacs will automagically detect them.
3365  * ---------------------------------------------------------------------
3366  * Local variables:
3367  * mode: c
3368  * indent-tabs-mode: t
3369  * c-basic-offset: 4
3370  * tab-width: 4
3371  * End:
3372  * vim:noexpandtab:sw=4:ts=4:
3373  */