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