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, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <assert.h>
  29 #include <stdio.h>
  30
  31 #include "vm/types.h"
  32
  33 #include "md.h"
  34 #include "md-abi.h"
  35
  36 #include "vm/jit/alpha/arch.h"
  37 #include "vm/jit/alpha/codegen.h"
  38
  39 #include "mm/memory.h"
  40
  41 #include "native/jni.h"
  42 #include "native/localref.h"
  43 #include "native/native.h"
  44
  45 #include "threads/lock-common.h"
  46
  47 #include "vm/builtin.h"
  48 #include "vm/exceptions.hpp"
  49 #include "vm/global.h"
  50 #include "vm/loader.h"
  51 #include "vm/options.h"
  52 #include "vm/vm.hpp"
  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.hpp"
  66 #include "vm/jit/trap.h"
  67
  68 #if defined(ENABLE_SSA)
  69 # include "vm/jit/optimizing/lsra.h"
  70 # include "vm/jit/optimizing/ssa.h"
  71 #elif defined(ENABLE_LSRA)
  72 # include "vm/jit/allocator/lsra.h"
  73 #endif
  74
  75
  76 /* codegen_emit ****************************************************************
  77
  78    Generates machine code.
  79
  80 *******************************************************************************/
  81
  82 bool codegen_emit(jitdata *jd)
  83 {
  84         methodinfo         *m;
  85         codeinfo           *code;
  86         codegendata        *cd;
  87         registerdata       *rd;
  88         s4                  len, s1, s2, s3, d, disp;
  89         varinfo            *var;
  90         basicblock         *bptr;
  91         instruction        *iptr;
  92         u2                  currentline;
  93         methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
  94         unresolved_method  *um;
  95         builtintable_entry *bte;
  96         methoddesc         *md;
  97         fieldinfo          *fi;
  98         unresolved_field   *uf;
  99         s4                  fieldtype;
 100         s4                 varindex;
 101
 102         /* get required compiler data */
 103
 104         m    = jd->m;
 105         code = jd->code;
 106         cd   = jd->cd;
 107         rd   = jd->rd;
 108
 109         /* prevent compiler warnings */
 110
 111         d           = 0;
 112         fieldtype   = 0;
 113         lm          = NULL;
 114         um          = NULL;
 115         bte         = NULL;
 116         currentline = 0;
 117
 118         {
 119         s4 i, p, t, l;
 120         s4 savedregs_num;
 121
 122         savedregs_num = code_is_leafmethod(code) ? 0 : 1; /* space to save the RA */
 123
 124         /* space to save used callee saved registers */
 125
 126         savedregs_num += (INT_SAV_CNT - rd->savintreguse);
 127         savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 128
 129         cd->stackframesize = rd->memuse + savedregs_num;
 130
 131 #if defined(ENABLE_THREADS)        /* space to save argument of monitor_enter */
 132         if (checksync && code_is_synchronized(code))
 133                 cd->stackframesize++;
 134 #endif
 135
 136         /* create method header */
 137
 138 #if 0
 139         cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
 140 #endif
 141
 142         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
 143         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
 144
 145         code->synchronizedoffset = rd->memuse * 8;
 146
 147         /* REMOVEME: We still need it for exception handling in assembler. */
 148
 149         if (code_is_leafmethod(code))
 150                 (void) dseg_add_unique_s4(cd, 1);
 151         else
 152                 (void) dseg_add_unique_s4(cd, 0);
 153
 154         (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
 155         (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
 156
 157         /* create stack frame (if necessary) */
 158
 159         if (cd->stackframesize)
 160                 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
 161
 162         /* save return address and used callee saved registers */
 163
 164         p = cd->stackframesize;
 165         if (!code_is_leafmethod(code)) {
 166                 p--; M_AST(REG_RA, REG_SP, p * 8);
 167         }
 168         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 169                 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
 170         }
 171         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 172                 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
 173         }
 174
 175         /* take arguments out of register or stack frame */
 176
 177         md = m->parseddesc;
 178
 179         for (p = 0, l = 0; p < md->paramcount; p++) {
 180                 t = md->paramtypes[p].type;
 181
 182                 varindex = jd->local_map[l * 5 + t];
 183
 184                 l++;
 185                 if (IS_2_WORD_TYPE(t))    /* increment local counter for 2 word types */
 186                         l++;
 187
 188                 if (varindex == UNUSED)
 189                         continue;
 190
 191                 var = VAR(varindex);
 192
 193                 s1 = md->params[p].regoff;
 194
 195                 if (IS_INT_LNG_TYPE(t)) {                    /* integer args          */
 196                         if (!md->params[p].inmemory) {           /* register arguments    */
 197                                 if (!IS_INMEMORY(var->flags))
 198                                         M_INTMOVE(s1, var->vv.regoff);
 199                                 else
 200                                         M_LST(s1, REG_SP, var->vv.regoff);
 201                         }
 202                         else {                                   /* stack arguments       */
 203                                 if (!IS_INMEMORY(var->flags))
 204                                         M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 205                                 else
 206                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 207                         }
 208                 }
 209                 else {                                       /* floating args         */
 210                         if (!md->params[p].inmemory) {           /* register arguments    */
 211                                 if (!IS_INMEMORY(var->flags))
 212                                         M_FLTMOVE(s1, var->vv.regoff);
 213                                 else
 214                                         M_DST(s1, REG_SP, var->vv.regoff * 8);
 215                         }
 216                         else {                                   /* stack arguments       */
 217                                 if (!(var->flags & INMEMORY))
 218                                         M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 219                                 else
 220                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 221                         }
 222                 }
 223         }
 224
 225         /* call monitorenter function */
 226
 227 #if defined(ENABLE_THREADS)
 228         if (checksync && code_is_synchronized(code)) {
 229                 /* stack offset for monitor argument */
 230
 231                 s1 = rd->memuse;
 232
 233 #if !defined(NDEBUG)
 234                 if (opt_verbosecall) {
 235                         M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
 236
 237                         for (p = 0; p < INT_ARG_CNT; p++)
 238                                 M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
 239
 240                         for (p = 0; p < FLT_ARG_CNT; p++)
 241                                 M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
 242
 243                         s1 += INT_ARG_CNT + FLT_ARG_CNT;
 244                 }
 245 #endif /* !defined(NDEBUG) */
 246
 247                 /* decide which monitor enter function to call */
 248
 249                 if (m->flags & ACC_STATIC) {
 250                         disp = dseg_add_address(cd, &m->clazz->object.header);
 251                         M_ALD(REG_A0, REG_PV, disp);
 252                 }
 253                 else {
 254                         M_BNEZ(REG_A0, 1);
 255                         M_ALD_INTERN(REG_ZERO, REG_ZERO, TRAP_NullPointerException);
 256                 }
 257
 258                 M_AST(REG_A0, REG_SP, s1 * 8);
 259                 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
 260                 M_ALD(REG_PV, REG_PV, disp);
 261                 M_JSR(REG_RA, REG_PV);
 262                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
 263                 M_LDA(REG_PV, REG_RA, -disp);
 264
 265 #if !defined(NDEBUG)
 266                 if (opt_verbosecall) {
 267                         for (p = 0; p < INT_ARG_CNT; p++)
 268                                 M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
 269
 270                         for (p = 0; p < FLT_ARG_CNT; p++)
 271                                 M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
 272
 273                         M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
 274                 }
 275 #endif /* !defined(NDEBUG) */
 276         }
 277 #endif
 278
 279         /* call trace function */
 280
 281 #if !defined(NDEBUG)
 282         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
 283                 emit_verbosecall_enter(jd);
 284 #endif
 285
 286         }
 287
 288         /* end of header generation */
 289
 290         /* create replacement points */
 291
 292         REPLACEMENT_POINTS_INIT(cd, jd);
 293
 294         /* walk through all basic blocks */
 295
 296         for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
 297
 298                 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
 299
 300                 if (bptr->flags >= BBREACHED) {
 301
 302                 /* branch resolving */
 303
 304                 codegen_resolve_branchrefs(cd, bptr);
 305
 306                 /* handle replacement points */
 307
 308                 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
 309
 310                 /* copy interface registers to their destination */
 311
 312                 len = bptr->indepth;
 313                 MCODECHECK(64+len);
 314 #if defined(ENABLE_LSRA)
 315                 if (opt_lsra) {
 316                 while (len) {
 317                         len--;
 318                         src = bptr->invars[len];
 319                         if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 320                                         /*                              d = reg_of_var(m, src, REG_ITMP1); */
 321                                         if (!(src->flags & INMEMORY))
 322                                                 d = src->vv.regoff;
 323                                         else
 324                                                 d = REG_ITMP1;
 325                                         M_INTMOVE(REG_ITMP1, d);
 326                                         emit_store(jd, NULL, src, d);
 327                                 }
 328                         }
 329                 } else {
 330 #endif
 331                         while (len) {
 332                                 len--;
 333                                 var = VAR(bptr->invars[len]);
 334                                 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
 335                                         d = codegen_reg_of_var(0, var, REG_ITMP1);
 336                                         M_INTMOVE(REG_ITMP1, d);
 337                                         emit_store(jd, NULL, var, d);
 338                                 }
 339                                 else {
 340                                         assert((var->flags & INOUT));
 341                                 }
 342                         }
 343 #if defined(ENABLE_LSRA)
 344                 }
 345 #endif
 346
 347                 /* walk through all instructions */
 348
 349                 len = bptr->icount;
 350
 351                 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
 352                         if (iptr->line != currentline) {
 353                                 linenumbertable_list_entry_add(cd, iptr->line);
 354                                 currentline = iptr->line;
 355                         }
 356
 357                 MCODECHECK(64);       /* an instruction usually needs < 64 words      */
 358                 switch (iptr->opc) {
 359
 360                 case ICMD_NOP:        /* ...  ==> ...                                 */
 361                 case ICMD_POP:        /* ..., value  ==> ...                          */
 362                 case ICMD_POP2:       /* ..., value, value  ==> ...                   */
 363                         break;
 364
 365                 case ICMD_INLINE_START:
 366
 367                         REPLACEMENT_POINT_INLINE_START(cd, iptr);
 368                         break;
 369
 370                 case ICMD_INLINE_BODY:
 371
 372                         REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
 373                         linenumbertable_list_entry_add_inline_start(cd, iptr);
 374                         linenumbertable_list_entry_add(cd, iptr->line);
 375                         break;
 376
 377                 case ICMD_INLINE_END:
 378
 379                         linenumbertable_list_entry_add_inline_end(cd, iptr);
 380                         linenumbertable_list_entry_add(cd, iptr->line);
 381                         break;
 382
 383                 case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
 384
 385                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 386                         emit_nullpointer_check(cd, iptr, s1);
 387                         break;
 388
 389                 /* constant operations ************************************************/
 390
 391                 case ICMD_ICONST:     /* ...  ==> ..., constant                       */
 392
 393                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 394                         ICONST(d, iptr->sx.val.i);
 395                         emit_store_dst(jd, iptr, d);
 396                         break;
 397
 398                 case ICMD_LCONST:     /* ...  ==> ..., constant                       */
 399
 400                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 401                         LCONST(d, iptr->sx.val.l);
 402                         emit_store_dst(jd, iptr, d);
 403                         break;
 404
 405                 case ICMD_FCONST:     /* ...  ==> ..., constant                       */
 406
 407                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 408                         disp = dseg_add_float(cd, iptr->sx.val.f);
 409                         M_FLD(d, REG_PV, disp);
 410                         emit_store_dst(jd, iptr, d);
 411                         break;
 412
 413                 case ICMD_DCONST:     /* ...  ==> ..., constant                       */
 414
 415                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 416                         disp = dseg_add_double(cd, iptr->sx.val.d);
 417                         M_DLD(d, REG_PV, disp);
 418                         emit_store_dst(jd, iptr, d);
 419                         break;
 420
 421                 case ICMD_ACONST:     /* ...  ==> ..., constant                       */
 422
 423                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 424
 425                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
 426                                 constant_classref *cr = iptr->sx.val.c.ref;
 427
 428                                 disp = dseg_add_unique_address(cd, cr);
 429
 430                                 /* XXX Only add the patcher, if this position needs to
 431                                    be patched.  If there was a previous position which
 432                                    resolved the same class, the returned displacement
 433                                    of dseg_add_address is ok to use. */
 434
 435                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
 436                                                                           cr, disp);
 437
 438                                 M_ALD(d, REG_PV, disp);
 439                         }
 440                         else {
 441                                 if (iptr->sx.val.anyptr == NULL)
 442                                         M_INTMOVE(REG_ZERO, d);
 443                                 else {
 444                                         disp = dseg_add_address(cd, iptr->sx.val.anyptr);
 445                                         M_ALD(d, REG_PV, disp);
 446                                 }
 447                         }
 448                         emit_store_dst(jd, iptr, d);
 449                         break;
 450
 451
 452                 /* load/store/move/copy operations ************************************/
 453
 454                 case ICMD_ILOAD:      /* ...  ==> ..., content of local variable      */
 455                 case ICMD_ALOAD:      /* s1 = local variable                          */
 456                 case ICMD_LLOAD:
 457                 case ICMD_FLOAD:
 458                 case ICMD_DLOAD:
 459                 case ICMD_ISTORE:     /* ..., value  ==> ...                          */
 460                 case ICMD_LSTORE:
 461                 case ICMD_FSTORE:
 462                 case ICMD_DSTORE:
 463                 case ICMD_COPY:
 464                 case ICMD_MOVE:
 465
 466                         emit_copy(jd, iptr);
 467                         break;
 468
 469                 case ICMD_ASTORE:
 470
 471                         if (!(iptr->flags.bits & INS_FLAG_RETADDR))
 472                                 emit_copy(jd, iptr);
 473                         break;
 474
 475
 476                 /* integer operations *************************************************/
 477
 478                 case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 479
 480                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 481                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 482                         M_ISUB(REG_ZERO, s1, d);
 483                         emit_store_dst(jd, iptr, d);
 484                         break;
 485
 486                 case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 487
 488                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 489                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 490                         M_LSUB(REG_ZERO, s1, d);
 491                         emit_store_dst(jd, iptr, d);
 492                         break;
 493
 494                 case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 495
 496                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 497                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 498                         M_INTMOVE(s1, d);
 499                         emit_store_dst(jd, iptr, d);
 500                         break;
 501
 502                 case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 503
 504                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 505                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 506                         M_IADD(s1, REG_ZERO, d);
 507                         emit_store_dst(jd, iptr, d);
 508                         break;
 509
 510                 case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 511
 512                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 513                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 514                         if (has_ext_instr_set) {
 515                                 M_BSEXT(s1, d);
 516                         } else {
 517                                 M_SLL_IMM(s1, 56, d);
 518                                 M_SRA_IMM( d, 56, d);
 519                         }
 520                         emit_store_dst(jd, iptr, d);
 521                         break;
 522
 523                 case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 524
 525                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 526                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 527             M_CZEXT(s1, d);
 528                         emit_store_dst(jd, iptr, d);
 529                         break;
 530
 531                 case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 532
 533                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 534                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 535                         if (has_ext_instr_set) {
 536                                 M_SSEXT(s1, d);
 537                         } else {
 538                                 M_SLL_IMM(s1, 48, d);
 539                                 M_SRA_IMM( d, 48, d);
 540                         }
 541                         emit_store_dst(jd, iptr, d);
 542                         break;
 543
 544
 545                 case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 546
 547                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 548                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 549                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 550                         M_IADD(s1, s2, d);
 551                         emit_store_dst(jd, iptr, d);
 552                         break;
 553
 554                 case ICMD_IINC:
 555                 case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
 556                                       /* sx.val.i = constant                             */
 557
 558                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 559                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 560                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 561                                 M_IADD_IMM(s1, iptr->sx.val.i, d);
 562                         } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
 563                                 M_ISUB_IMM(s1, (-iptr->sx.val.i), d);
 564                         } else {
 565                                 /* XXX maybe use M_LDA? */
 566                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 567                                 M_IADD(s1, REG_ITMP2, d);
 568                         }
 569                         emit_store_dst(jd, iptr, d);
 570                         break;
 571
 572                 case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 573
 574                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 575                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 576                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 577                         M_LADD(s1, s2, d);
 578                         emit_store_dst(jd, iptr, d);
 579                         break;
 580
 581                 case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
 582                                       /* sx.val.l = constant                             */
 583
 584                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 585                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 586                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 587                                 M_LADD_IMM(s1, iptr->sx.val.l, d);
 588                         } else {
 589                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 590                                 M_LADD(s1, REG_ITMP2, d);
 591                         }
 592                         emit_store_dst(jd, iptr, d);
 593                         break;
 594
 595                 case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 596
 597                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 598                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 599                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 600                         M_ISUB(s1, s2, d);
 601                         emit_store_dst(jd, iptr, d);
 602                         break;
 603
 604                 case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
 605                                       /* sx.val.i = constant                             */
 606
 607                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 608                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 609                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 610                                 M_ISUB_IMM(s1, iptr->sx.val.i, d);
 611                         } else {
 612                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 613                                 M_ISUB(s1, REG_ITMP2, d);
 614                         }
 615                         emit_store_dst(jd, iptr, d);
 616                         break;
 617
 618                 case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 619
 620                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 621                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 622                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 623                         M_LSUB(s1, s2, d);
 624                         emit_store_dst(jd, iptr, d);
 625                         break;
 626
 627                 case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
 628                                       /* sx.val.l = constant                             */
 629
 630                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 631                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 632                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 633                                 M_LSUB_IMM(s1, iptr->sx.val.l, d);
 634                         } else {
 635                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 636                                 M_LSUB(s1, REG_ITMP2, d);
 637                         }
 638                         emit_store_dst(jd, iptr, d);
 639                         break;
 640
 641                 case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 642
 643                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 644                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 645                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 646                         M_IMUL(s1, s2, d);
 647                         emit_store_dst(jd, iptr, d);
 648                         break;
 649
 650                 case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
 651                                       /* sx.val.i = constant                             */
 652
 653                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 654                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 655                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 656                                 M_IMUL_IMM(s1, iptr->sx.val.i, d);
 657                         } else {
 658                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 659                                 M_IMUL(s1, REG_ITMP2, d);
 660                         }
 661                         emit_store_dst(jd, iptr, d);
 662                         break;
 663
 664                 case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 665
 666                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 667                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 668                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 669                         M_LMUL(s1, s2, d);
 670                         emit_store_dst(jd, iptr, d);
 671                         break;
 672
 673                 case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
 674                                       /* sx.val.l = constant                             */
 675
 676                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 677                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 678                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 679                                 M_LMUL_IMM(s1, iptr->sx.val.l, d);
 680                         } else {
 681                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 682                                 M_LMUL(s1, REG_ITMP2, d);
 683                         }
 684                         emit_store_dst(jd, iptr, d);
 685                         break;
 686
 687                 case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 688                 case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 689
 690                         s1 = emit_load_s1(jd, iptr, REG_A0);
 691                         s2 = emit_load_s2(jd, iptr, REG_A1);
 692                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 693                         emit_arithmetic_check(cd, iptr, s2);
 694
 695                         M_INTMOVE(s1, REG_A0);
 696                         M_INTMOVE(s2, REG_A1);
 697                         bte = iptr->sx.s23.s3.bte;
 698                         disp = dseg_add_functionptr(cd, bte->fp);
 699                         M_ALD(REG_PV, REG_PV, disp);
 700                         M_JSR(REG_RA, REG_PV);
 701                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 702                         M_LDA(REG_PV, REG_RA, -disp);
 703
 704                         M_IADD(REG_RESULT, REG_ZERO, d); /* sign extend (bugfix for gcc -O2) */
 705                         emit_store_dst(jd, iptr, d);
 706                         break;
 707
 708                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 709                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 710
 711                         s1 = emit_load_s1(jd, iptr, REG_A0);
 712                         s2 = emit_load_s2(jd, iptr, REG_A1);
 713                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 714                         emit_arithmetic_check(cd, iptr, s2);
 715
 716                         M_INTMOVE(s1, REG_A0);
 717                         M_INTMOVE(s2, REG_A1);
 718                         bte = iptr->sx.s23.s3.bte;
 719                         disp = dseg_add_functionptr(cd, bte->fp);
 720                         M_ALD(REG_PV, REG_PV, disp);
 721                         M_JSR(REG_RA, REG_PV);
 722                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 723                         M_LDA(REG_PV, REG_RA, -disp);
 724
 725                         M_INTMOVE(REG_RESULT, d);
 726                         emit_store_dst(jd, iptr, d);
 727                         break;
 728
 729                 case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 730                 case ICMD_LDIVPOW2:   /* val.i = constant                             */
 731
 732                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 733                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 734                         if (iptr->sx.val.i <= 15) {
 735                                 M_LDA(REG_ITMP2, s1, (1 << iptr->sx.val.i) -1);
 736                                 M_CMOVGE(s1, s1, REG_ITMP2);
 737                         } else {
 738                                 M_SRA_IMM(s1, 63, REG_ITMP2);
 739                                 M_SRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 740                                 M_LADD(s1, REG_ITMP2, REG_ITMP2);
 741                         }
 742                         M_SRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 743                         emit_store_dst(jd, iptr, d);
 744                         break;
 745
 746                 case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 747
 748                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 749                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 750                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 751                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 752                         M_SLL(s1, REG_ITMP3, d);
 753                         M_IADD(d, REG_ZERO, d);
 754                         emit_store_dst(jd, iptr, d);
 755                         break;
 756
 757                 case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
 758                                       /* sx.val.i = constant                             */
 759
 760                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 761                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 762                         M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
 763                         M_IADD(d, REG_ZERO, d);
 764                         emit_store_dst(jd, iptr, d);
 765                         break;
 766
 767                 case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 768
 769                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 770                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 771                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 772                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 773                         M_SRA(s1, REG_ITMP3, d);
 774                         emit_store_dst(jd, iptr, d);
 775                         break;
 776
 777                 case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
 778                                       /* sx.val.i = constant                             */
 779
 780                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 781                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 782                         M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
 783                         emit_store_dst(jd, iptr, d);
 784                         break;
 785
 786                 case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 787
 788                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 789                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 790                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 791                         M_AND_IMM(s2, 0x1f, REG_ITMP2);
 792             M_IZEXT(s1, d);
 793                         M_SRL(d, REG_ITMP2, d);
 794                         M_IADD(d, REG_ZERO, d);
 795                         emit_store_dst(jd, iptr, d);
 796                         break;
 797
 798                 case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 799                                       /* sx.val.i = constant                             */
 800
 801                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 802                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 803             M_IZEXT(s1, d);
 804                         M_SRL_IMM(d, iptr->sx.val.i & 0x1f, d);
 805                         M_IADD(d, REG_ZERO, d);
 806                         emit_store_dst(jd, iptr, d);
 807                         break;
 808
 809                 case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 810
 811                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 812                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 813                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 814                         M_SLL(s1, s2, d);
 815                         emit_store_dst(jd, iptr, d);
 816                         break;
 817
 818                 case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
 819                                       /* sx.val.i = constant                             */
 820
 821                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 822                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 823                         M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 824                         emit_store_dst(jd, iptr, d);
 825                         break;
 826
 827                 case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 828
 829                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 830                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 831                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 832                         M_SRA(s1, s2, d);
 833                         emit_store_dst(jd, iptr, d);
 834                         break;
 835
 836                 case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
 837                                       /* sx.val.i = constant                             */
 838
 839                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 840                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 841                         M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
 842                         emit_store_dst(jd, iptr, d);
 843                         break;
 844
 845                 case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 846
 847                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 848                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 849                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 850                         M_SRL(s1, s2, d);
 851                         emit_store_dst(jd, iptr, d);
 852                         break;
 853
 854                 case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 855                                       /* sx.val.i = constant                             */
 856
 857                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 858                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 859                         M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 860                         emit_store_dst(jd, iptr, d);
 861                         break;
 862
 863                 case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
 864                 case ICMD_LAND:
 865
 866                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 867                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 868                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 869                         M_AND(s1, s2, d);
 870                         emit_store_dst(jd, iptr, d);
 871                         break;
 872
 873                 case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
 874                                       /* sx.val.i = constant                             */
 875
 876                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 877                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 878                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 879                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 880                         } else if (iptr->sx.val.i == 0xffff) {
 881                                 M_CZEXT(s1, d);
 882                         } else if (iptr->sx.val.i == 0xffffff) {
 883                                 M_ZAPNOT_IMM(s1, 0x07, d);
 884                         } else {
 885                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 886                                 M_AND(s1, REG_ITMP2, d);
 887                         }
 888                         emit_store_dst(jd, iptr, d);
 889                         break;
 890
 891                 case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
 892                                       /* sx.val.i = constant                             */
 893
 894                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 895                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 896                         if (s1 == d) {
 897                                 M_MOV(s1, REG_ITMP1);
 898                                 s1 = REG_ITMP1;
 899                         }
 900                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 901                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 902                                 M_BGEZ(s1, 3);
 903                                 M_ISUB(REG_ZERO, s1, d);
 904                                 M_AND_IMM(d, iptr->sx.val.i, d);
 905                         } else if (iptr->sx.val.i == 0xffff) {
 906                                 M_CZEXT(s1, d);
 907                                 M_BGEZ(s1, 3);
 908                                 M_ISUB(REG_ZERO, s1, d);
 909                                 M_CZEXT(d, d);
 910                         } else if (iptr->sx.val.i == 0xffffff) {
 911                                 M_ZAPNOT_IMM(s1, 0x07, d);
 912                                 M_BGEZ(s1, 3);
 913                                 M_ISUB(REG_ZERO, s1, d);
 914                                 M_ZAPNOT_IMM(d, 0x07, d);
 915                         } else {
 916                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 917                                 M_AND(s1, REG_ITMP2, d);
 918                                 M_BGEZ(s1, 3);
 919                                 M_ISUB(REG_ZERO, s1, d);
 920                                 M_AND(d, REG_ITMP2, d);
 921                         }
 922                         M_ISUB(REG_ZERO, d, d);
 923                         emit_store_dst(jd, iptr, d);
 924                         break;
 925
 926                 case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
 927                                       /* sx.val.l = constant                             */
 928
 929                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 930                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 931                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 932                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 933                         } else if (iptr->sx.val.l == 0xffffL) {
 934                                 M_CZEXT(s1, d);
 935                         } else if (iptr->sx.val.l == 0xffffffL) {
 936                                 M_ZAPNOT_IMM(s1, 0x07, d);
 937                         } else if (iptr->sx.val.l == 0xffffffffL) {
 938                                 M_IZEXT(s1, d);
 939                         } else if (iptr->sx.val.l == 0xffffffffffL) {
 940                                 M_ZAPNOT_IMM(s1, 0x1f, d);
 941                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
 942                                 M_ZAPNOT_IMM(s1, 0x3f, d);
 943                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
 944                                 M_ZAPNOT_IMM(s1, 0x7f, d);
 945                         } else {
 946                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 947                                 M_AND(s1, REG_ITMP2, d);
 948                         }
 949                         emit_store_dst(jd, iptr, d);
 950                         break;
 951
 952                 case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
 953                                       /* sx.val.l = constant                             */
 954
 955                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 956                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 957                         if (s1 == d) {
 958                                 M_MOV(s1, REG_ITMP1);
 959                                 s1 = REG_ITMP1;
 960                         }
 961                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 962                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 963                                 M_BGEZ(s1, 3);
 964                                 M_LSUB(REG_ZERO, s1, d);
 965                                 M_AND_IMM(d, iptr->sx.val.l, d);
 966                         } else if (iptr->sx.val.l == 0xffffL) {
 967                                 M_CZEXT(s1, d);
 968                                 M_BGEZ(s1, 3);
 969                                 M_LSUB(REG_ZERO, s1, d);
 970                                 M_CZEXT(d, d);
 971                         } else if (iptr->sx.val.l == 0xffffffL) {
 972                                 M_ZAPNOT_IMM(s1, 0x07, d);
 973                                 M_BGEZ(s1, 3);
 974                                 M_LSUB(REG_ZERO, s1, d);
 975                                 M_ZAPNOT_IMM(d, 0x07, d);
 976                         } else if (iptr->sx.val.l == 0xffffffffL) {
 977                                 M_IZEXT(s1, d);
 978                                 M_BGEZ(s1, 3);
 979                                 M_LSUB(REG_ZERO, s1, d);
 980                                 M_IZEXT(d, d);
 981                         } else if (iptr->sx.val.l == 0xffffffffffL) {
 982                                 M_ZAPNOT_IMM(s1, 0x1f, d);
 983                                 M_BGEZ(s1, 3);
 984                                 M_LSUB(REG_ZERO, s1, d);
 985                                 M_ZAPNOT_IMM(d, 0x1f, d);
 986                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
 987                                 M_ZAPNOT_IMM(s1, 0x3f, d);
 988                                 M_BGEZ(s1, 3);
 989                                 M_LSUB(REG_ZERO, s1, d);
 990                                 M_ZAPNOT_IMM(d, 0x3f, d);
 991                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
 992                                 M_ZAPNOT_IMM(s1, 0x7f, d);
 993                                 M_BGEZ(s1, 3);
 994                                 M_LSUB(REG_ZERO, s1, d);
 995                                 M_ZAPNOT_IMM(d, 0x7f, d);
 996                         } else {
 997                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 998                                 M_AND(s1, REG_ITMP2, d);
 999                                 M_BGEZ(s1, 3);
1000                                 M_LSUB(REG_ZERO, s1, d);
1001                                 M_AND(d, REG_ITMP2, d);
1002                         }
1003                         M_LSUB(REG_ZERO, d, d);
1004                         emit_store_dst(jd, iptr, d);
1005                         break;
1006
1007                 case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1008                 case ICMD_LOR:
1009
1010                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1011                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1012                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1013                         M_OR( s1,s2, d);
1014                         emit_store_dst(jd, iptr, d);
1015                         break;
1016
1017                 case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
1018                                       /* sx.val.i = constant                          */
1019
1020                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1021                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1022                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1023                                 M_OR_IMM(s1, iptr->sx.val.i, d);
1024                         } else {
1025                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1026                                 M_OR(s1, REG_ITMP2, d);
1027                         }
1028                         emit_store_dst(jd, iptr, d);
1029                         break;
1030
1031                 case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
1032                                       /* sx.val.l = constant                          */
1033
1034                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1035                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1036                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1037                                 M_OR_IMM(s1, iptr->sx.val.l, d);
1038                         } else {
1039                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1040                                 M_OR(s1, REG_ITMP2, d);
1041                         }
1042                         emit_store_dst(jd, iptr, d);
1043                         break;
1044
1045                 case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1046                 case ICMD_LXOR:
1047
1048                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1049                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1050                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1051                         M_XOR(s1, s2, d);
1052                         emit_store_dst(jd, iptr, d);
1053                         break;
1054
1055                 case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1056                                       /* sx.val.i = constant                          */
1057
1058                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1059                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1060                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1061                                 M_XOR_IMM(s1, iptr->sx.val.i, d);
1062                         } else {
1063                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1064                                 M_XOR(s1, REG_ITMP2, d);
1065                         }
1066                         emit_store_dst(jd, iptr, d);
1067                         break;
1068
1069                 case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1070                                       /* sx.val.l = constant                          */
1071
1072                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1073                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1074                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1075                                 M_XOR_IMM(s1, iptr->sx.val.l, d);
1076                         } else {
1077                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1078                                 M_XOR(s1, REG_ITMP2, d);
1079                         }
1080                         emit_store_dst(jd, iptr, d);
1081                         break;
1082
1083
1084                 case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
1085
1086                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1087                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1088                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1089                         M_CMPLT(s1, s2, REG_ITMP3);
1090                         M_CMPLT(s2, s1, REG_ITMP1);
1091                         M_LSUB(REG_ITMP1, REG_ITMP3, d);
1092                         emit_store_dst(jd, iptr, d);
1093                         break;
1094
1095
1096                 /* floating operations ************************************************/
1097
1098                 case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
1099
1100                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1101                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1102                         M_FMOVN(s1, d);
1103                         emit_store_dst(jd, iptr, d);
1104                         break;
1105
1106                 case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
1107
1108                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1109                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1110                         M_FMOVN(s1, d);
1111                         emit_store_dst(jd, iptr, d);
1112                         break;
1113
1114                 case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1115
1116                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1117                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1118                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1119                         if (opt_noieee) {
1120                                 M_FADD(s1, s2, d);
1121                         } else {
1122                                 if (d == s1 || d == s2) {
1123                                         M_FADDS(s1, s2, REG_FTMP3);
1124                                         M_TRAPB;
1125                                         M_FMOV(REG_FTMP3, d);
1126                                 } else {
1127                                         M_FADDS(s1, s2, d);
1128                                         M_TRAPB;
1129                                 }
1130                         }
1131                         emit_store_dst(jd, iptr, d);
1132                         break;
1133
1134                 case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1135
1136                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1137                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1138                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1139                         if (opt_noieee) {
1140                                 M_DADD(s1, s2, d);
1141                         } else {
1142                                 if (d == s1 || d == s2) {
1143                                         M_DADDS(s1, s2, REG_FTMP3);
1144                                         M_TRAPB;
1145                                         M_FMOV(REG_FTMP3, d);
1146                                 } else {
1147                                         M_DADDS(s1, s2, d);
1148                                         M_TRAPB;
1149                                 }
1150                         }
1151                         emit_store_dst(jd, iptr, d);
1152                         break;
1153
1154                 case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1155
1156                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1157                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1158                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1159                         if (opt_noieee) {
1160                                 M_FSUB(s1, s2, d);
1161                         } else {
1162                                 if (d == s1 || d == s2) {
1163                                         M_FSUBS(s1, s2, REG_FTMP3);
1164                                         M_TRAPB;
1165                                         M_FMOV(REG_FTMP3, d);
1166                                 } else {
1167                                         M_FSUBS(s1, s2, d);
1168                                         M_TRAPB;
1169                                 }
1170                         }
1171                         emit_store_dst(jd, iptr, d);
1172                         break;
1173
1174                 case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1175
1176                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1177                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1178                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1179                         if (opt_noieee) {
1180                                 M_DSUB(s1, s2, d);
1181                         } else {
1182                                 if (d == s1 || d == s2) {
1183                                         M_DSUBS(s1, s2, REG_FTMP3);
1184                                         M_TRAPB;
1185                                         M_FMOV(REG_FTMP3, d);
1186                                 } else {
1187                                         M_DSUBS(s1, s2, d);
1188                                         M_TRAPB;
1189                                 }
1190                         }
1191                         emit_store_dst(jd, iptr, d);
1192                         break;
1193
1194                 case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
1195
1196                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1197                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1198                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1199                         if (opt_noieee) {
1200                                 M_FMUL(s1, s2, d);
1201                         } else {
1202                                 if (d == s1 || d == s2) {
1203                                         M_FMULS(s1, s2, REG_FTMP3);
1204                                         M_TRAPB;
1205                                         M_FMOV(REG_FTMP3, d);
1206                                 } else {
1207                                         M_FMULS(s1, s2, d);
1208                                         M_TRAPB;
1209                                 }
1210                         }
1211                         emit_store_dst(jd, iptr, d);
1212                         break;
1213
1214                 case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
1215
1216                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1217                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1218                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1219                         if (opt_noieee) {
1220                                 M_DMUL(s1, s2, d);
1221                         } else {
1222                                 if (d == s1 || d == s2) {
1223                                         M_DMULS(s1, s2, REG_FTMP3);
1224                                         M_TRAPB;
1225                                         M_FMOV(REG_FTMP3, d);
1226                                 } else {
1227                                         M_DMULS(s1, s2, d);
1228                                         M_TRAPB;
1229                                 }
1230                         }
1231                         emit_store_dst(jd, iptr, d);
1232                         break;
1233
1234                 case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1235
1236                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1237                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1238                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1239                         if (opt_noieee) {
1240                                 M_FDIV(s1, s2, d);
1241                         } else {
1242                                 if (d == s1 || d == s2) {
1243                                         M_FDIVS(s1, s2, REG_FTMP3);
1244                                         M_TRAPB;
1245                                         M_FMOV(REG_FTMP3, d);
1246                                 } else {
1247                                         M_FDIVS(s1, s2, d);
1248                                         M_TRAPB;
1249                                 }
1250                         }
1251                         emit_store_dst(jd, iptr, d);
1252                         break;
1253
1254                 case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1255
1256                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1257                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1258                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1259                         if (opt_noieee) {
1260                                 M_DDIV(s1, s2, d);
1261                         } else {
1262                                 if (d == s1 || d == s2) {
1263                                         M_DDIVS(s1, s2, REG_FTMP3);
1264                                         M_TRAPB;
1265                                         M_FMOV(REG_FTMP3, d);
1266                                 } else {
1267                                         M_DDIVS(s1, s2, d);
1268                                         M_TRAPB;
1269                                 }
1270                         }
1271                         emit_store_dst(jd, iptr, d);
1272                         break;
1273
1274                 case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
1275                 case ICMD_L2F:
1276                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1277                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1278                         disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
1279                         M_LST(s1, REG_PV, disp);
1280                         M_DLD(d, REG_PV, disp);
1281                         M_CVTLF(d, d);
1282                         emit_store_dst(jd, iptr, d);
1283                         break;
1284
1285                 case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
1286                 case ICMD_L2D:
1287                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1288                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1289                         disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
1290                         M_LST(s1, REG_PV, disp);
1291                         M_DLD(d, REG_PV, disp);
1292                         M_CVTLD(d, d);
1293                         emit_store_dst(jd, iptr, d);
1294                         break;
1295
1296                 case ICMD_F2I:       /* ..., value  ==> ..., (int) value              */
1297                 case ICMD_D2I:
1298                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1299                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1300                         disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
1301                         M_CVTDL_C(s1, REG_FTMP2);
1302                         M_CVTLI(REG_FTMP2, REG_FTMP3);
1303                         M_DST(REG_FTMP3, REG_PV, disp);
1304                         M_ILD(d, REG_PV, disp);
1305                         emit_store_dst(jd, iptr, d);
1306                         break;
1307
1308                 case ICMD_F2L:       /* ..., value  ==> ..., (long) value             */
1309                 case ICMD_D2L:
1310                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1311                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1312                         disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
1313                         M_CVTDL_C(s1, REG_FTMP2);
1314                         M_DST(REG_FTMP2, REG_PV, disp);
1315                         M_LLD(d, REG_PV, disp);
1316                         emit_store_dst(jd, iptr, d);
1317                         break;
1318
1319                 case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
1320
1321                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1322                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1323                         M_CVTFDS(s1, d);
1324                         M_TRAPB;
1325                         emit_store_dst(jd, iptr, d);
1326                         break;
1327
1328                 case ICMD_D2F:       /* ..., value  ==> ..., (float) value            */
1329
1330                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1331                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1332                         if (opt_noieee) {
1333                                 M_CVTDF(s1, d);
1334                         } else {
1335                                 M_CVTDFS(s1, d);
1336                                 M_TRAPB;
1337                         }
1338                         emit_store_dst(jd, iptr, d);
1339                         break;
1340
1341                 case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1342                 case ICMD_DCMPL:
1343                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1344                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1345                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1346                         if (opt_noieee) {
1347                                 M_LSUB_IMM(REG_ZERO, 1, d);
1348                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1349                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1350                                 M_CLR   (d);
1351                                 M_FCMPLT(s2, s1, REG_FTMP3);
1352                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1353                                 M_LADD_IMM(REG_ZERO, 1, d);
1354                         } else {
1355                                 M_LSUB_IMM(REG_ZERO, 1, d);
1356                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1357                                 M_TRAPB;
1358                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1359                                 M_CLR   (d);
1360                                 M_FCMPLTS(s2, s1, REG_FTMP3);
1361                                 M_TRAPB;
1362                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1363                                 M_LADD_IMM(REG_ZERO, 1, d);
1364                         }
1365                         emit_store_dst(jd, iptr, d);
1366                         break;
1367
1368                 case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1369                 case ICMD_DCMPG:
1370                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1371                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1372                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1373                         if (opt_noieee) {
1374                                 M_LADD_IMM(REG_ZERO, 1, d);
1375                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1376                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1377                                 M_CLR   (d);
1378                                 M_FCMPLT(s1, s2, REG_FTMP3);
1379                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1380                                 M_LSUB_IMM(REG_ZERO, 1, d);
1381                         } else {
1382                                 M_LADD_IMM(REG_ZERO, 1, d);
1383                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1384                                 M_TRAPB;
1385                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1386                                 M_CLR   (d);
1387                                 M_FCMPLTS(s1, s2, REG_FTMP3);
1388                                 M_TRAPB;
1389                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1390                                 M_LSUB_IMM(REG_ZERO, 1, d);
1391                         }
1392                         emit_store_dst(jd, iptr, d);
1393                         break;
1394
1395
1396                 /* memory operations **************************************************/
1397
1398                 case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
1399
1400                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1401                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1402                         /* implicit null-pointer check */
1403                         M_ILD(d, s1, OFFSET(java_array_t, size));
1404                         emit_store_dst(jd, iptr, d);
1405                         break;
1406
1407                 case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
1408
1409                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1410                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1411                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1412                         /* implicit null-pointer check */
1413                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1414                         if (has_ext_instr_set) {
1415                                 M_LADD(s2, s1, REG_ITMP1);
1416                                 M_BLDU(d, REG_ITMP1, OFFSET (java_bytearray_t, data[0]));
1417                                 M_BSEXT(d, d);
1418                         }
1419                         else {
1420                                 M_LADD(s2, s1, REG_ITMP1);
1421                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1422                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0])+1);
1423                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1424                                 M_SRA_IMM(d, 56, d);
1425                         }
1426                         emit_store_dst(jd, iptr, d);
1427                         break;
1428
1429                 case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
1430
1431                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1432                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1433                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1434                         /* implicit null-pointer check */
1435                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1436                         if (has_ext_instr_set) {
1437                                 M_LADD(s2, s1, REG_ITMP1);
1438                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1439                                 M_SLDU(d, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1440                         }
1441                         else {
1442                                 M_LADD (s2, s1, REG_ITMP1);
1443                                 M_LADD (s2, REG_ITMP1, REG_ITMP1);
1444                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1445                                 M_LDA  (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1446                                 M_EXTWL(REG_ITMP2, REG_ITMP1, d);
1447                         }
1448                         emit_store_dst(jd, iptr, d);
1449                         break;
1450
1451                 case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
1452
1453                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1454                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1455                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1456                         /* implicit null-pointer check */
1457                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1458                         if (has_ext_instr_set) {
1459                                 M_LADD(s2, s1, REG_ITMP1);
1460                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1461                                 M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray_t, data[0]));
1462                                 M_SSEXT(d, d);
1463                         } else {
1464                                 M_LADD(s2, s1, REG_ITMP1);
1465                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1466                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1467                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0])+2);
1468                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1469                                 M_SRA_IMM(d, 48, d);
1470                         }
1471                         emit_store_dst(jd, iptr, d);
1472                         break;
1473
1474                 case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
1475
1476                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1477                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1478                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1479                         /* implicit null-pointer check */
1480                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1481                         M_S4ADDQ(s2, s1, REG_ITMP1);
1482                         M_ILD(d, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1483                         emit_store_dst(jd, iptr, d);
1484                         break;
1485
1486                 case ICMD_LALOAD:     /* ..., arrayref, index  ==> ..., value         */
1487
1488                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1489                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1490                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1491                         /* implicit null-pointer check */
1492                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1493                         M_S8ADDQ(s2, s1, REG_ITMP1);
1494                         M_LLD(d, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1495                         emit_store_dst(jd, iptr, d);
1496                         break;
1497
1498                 case ICMD_FALOAD:     /* ..., arrayref, index  ==> ..., value         */
1499
1500                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1501                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1502                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1503                         /* implicit null-pointer check */
1504                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1505                         M_S4ADDQ(s2, s1, REG_ITMP1);
1506                         M_FLD(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1507                         emit_store_dst(jd, iptr, d);
1508                         break;
1509
1510                 case ICMD_DALOAD:     /* ..., arrayref, index  ==> ..., value         */
1511
1512                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1513                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1514                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1515                         /* implicit null-pointer check */
1516                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1517                         M_S8ADDQ(s2, s1, REG_ITMP1);
1518                         M_DLD(d, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1519                         emit_store_dst(jd, iptr, d);
1520                         break;
1521
1522                 case ICMD_AALOAD:     /* ..., arrayref, index  ==> ..., value         */
1523
1524                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1525                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1526                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1527                         /* implicit null-pointer check */
1528                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1529                         M_SAADDQ(s2, s1, REG_ITMP1);
1530                         M_ALD(d, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1531                         emit_store_dst(jd, iptr, d);
1532                         break;
1533
1534
1535                 case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
1536
1537                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1538                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1539                         /* implicit null-pointer check */
1540                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1541                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1542                         if (has_ext_instr_set) {
1543                                 M_LADD(s2, s1, REG_ITMP1);
1544                                 M_BST(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1545                         }
1546                         else {
1547                                 M_LADD(s2, s1, REG_ITMP1);
1548                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1549                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1550                                 M_INSBL(s3, REG_ITMP1, REG_ITMP3);
1551                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1552                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1553                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1554                         }
1555                         break;
1556
1557                 case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
1558
1559                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1560                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1561                         /* implicit null-pointer check */
1562                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1563                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1564                         if (has_ext_instr_set) {
1565                                 M_LADD(s2, s1, REG_ITMP1);
1566                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1567                                 M_SST(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1568                         }
1569                         else {
1570                                 M_LADD(s2, s1, REG_ITMP1);
1571                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1572                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1573                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1574                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1575                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1576                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1577                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1578                         }
1579                         break;
1580
1581                 case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
1582
1583                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1584                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1585                         /* implicit null-pointer check */
1586                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1587                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1588                         if (has_ext_instr_set) {
1589                                 M_LADD(s2, s1, REG_ITMP1);
1590                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1591                                 M_SST(s3, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1592                         }
1593                         else {
1594                                 M_LADD(s2, s1, REG_ITMP1);
1595                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1596                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1597                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1598                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1599                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1600                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1601                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1602                         }
1603                         break;
1604
1605                 case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
1606
1607                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1608                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1609                         /* implicit null-pointer check */
1610                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1611                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1612                         M_S4ADDQ(s2, s1, REG_ITMP1);
1613                         M_IST(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1614                         break;
1615
1616                 case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
1617
1618                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1619                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1620                         /* implicit null-pointer check */
1621                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1622                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1623                         M_S8ADDQ(s2, s1, REG_ITMP1);
1624                         M_LST(s3, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1625                         break;
1626
1627                 case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
1628
1629                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1630                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1631                         /* implicit null-pointer check */
1632                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1633                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1634                         M_S4ADDQ(s2, s1, REG_ITMP1);
1635                         M_FST(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1636                         break;
1637
1638                 case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
1639
1640                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1641                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1642                         /* implicit null-pointer check */
1643                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1644                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1645                         M_S8ADDQ(s2, s1, REG_ITMP1);
1646                         M_DST(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1647                         break;
1648
1649                 case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
1650
1651                         s1 = emit_load_s1(jd, iptr, REG_A0);
1652                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1653                         /* implicit null-pointer check */
1654                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1655                         s3 = emit_load_s3(jd, iptr, REG_A1);
1656
1657                         M_INTMOVE(s1, REG_A0);
1658                         M_INTMOVE(s3, REG_A1);
1659
1660                         disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
1661                         M_ALD(REG_PV, REG_PV, disp);
1662                         M_JSR(REG_RA, REG_PV);
1663                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
1664                         M_LDA(REG_PV, REG_RA, -disp);
1665                         emit_arraystore_check(cd, iptr);
1666
1667                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1668                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1669                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1670                         M_SAADDQ(s2, s1, REG_ITMP1);
1671                         M_AST(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1672                         break;
1673
1674
1675                 case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
1676
1677                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1678                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1679                         /* implicit null-pointer check */
1680                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1681                         if (has_ext_instr_set) {
1682                                 M_LADD(s2, s1, REG_ITMP1);
1683                                 M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1684                         }
1685                         else {
1686                                 M_LADD(s2, s1, REG_ITMP1);
1687                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1688                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1689                                 M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1690                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1691                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1692                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1693                         }
1694                         break;
1695
1696                 case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
1697
1698                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1699                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1700                         /* implicit null-pointer check */
1701                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1702                         if (has_ext_instr_set) {
1703                                 M_LADD(s2, s1, REG_ITMP1);
1704                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1705                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1706                         }
1707                         else {
1708                                 M_LADD(s2, s1, REG_ITMP1);
1709                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1710                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1711                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1712                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1713                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1714                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1715                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1716                         }
1717                         break;
1718
1719                 case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
1720
1721                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1722                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1723                         /* implicit null-pointer check */
1724                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1725                         if (has_ext_instr_set) {
1726                                 M_LADD(s2, s1, REG_ITMP1);
1727                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1728                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1729                         }
1730                         else {
1731                                 M_LADD(s2, s1, REG_ITMP1);
1732                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1733                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1734                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1735                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1736                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1737                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1738                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1739                         }
1740                         break;
1741
1742                 case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
1743
1744                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1745                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1746                         /* implicit null-pointer check */
1747                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1748                         M_S4ADDQ(s2, s1, REG_ITMP1);
1749                         M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1750                         break;
1751
1752                 case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
1753
1754                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1755                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1756                         /* implicit null-pointer check */
1757                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1758                         M_S8ADDQ(s2, s1, REG_ITMP1);
1759                         M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1760                         break;
1761
1762                 case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
1763
1764                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1765                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1766                         /* implicit null-pointer check */
1767                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1768                         M_SAADDQ(s2, s1, REG_ITMP1);
1769                         M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1770                         break;
1771
1772
1773                 case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
1774
1775                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1776                                 uf        = iptr->sx.s23.s3.uf;
1777                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1778                                 disp      = dseg_add_unique_address(cd, uf);
1779
1780                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1781                         }
1782                         else {
1783                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1784                                 fieldtype = fi->type;
1785                                 disp      = dseg_add_address(cd, fi->value);
1786
1787                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1788                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz,
1789                                                                                   0);
1790                         }
1791
1792                         M_ALD(REG_ITMP1, REG_PV, disp);
1793                         switch (fieldtype) {
1794                         case TYPE_INT:
1795                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1796                                 M_ILD(d, REG_ITMP1, 0);
1797                                 break;
1798                         case TYPE_LNG:
1799                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1800                                 M_LLD(d, REG_ITMP1, 0);
1801                                 break;
1802                         case TYPE_ADR:
1803                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1804                                 M_ALD(d, REG_ITMP1, 0);
1805                                 break;
1806                         case TYPE_FLT:
1807                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1808                                 M_FLD(d, REG_ITMP1, 0);
1809                                 break;
1810                         case TYPE_DBL:
1811                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1812                                 M_DLD(d, REG_ITMP1, 0);
1813                                 break;
1814                         }
1815                         emit_store_dst(jd, iptr, d);
1816                         break;
1817
1818                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
1819
1820                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1821                                 uf        = iptr->sx.s23.s3.uf;
1822                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1823                                 disp      = dseg_add_unique_address(cd, uf);
1824
1825                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1826                         }
1827                         else {
1828                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1829                                 fieldtype = fi->type;
1830                                 disp      = dseg_add_address(cd, fi->value);
1831
1832                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1833                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz,
1834                                                                                   0);
1835                         }
1836
1837                         M_ALD(REG_ITMP1, REG_PV, disp);
1838                         switch (fieldtype) {
1839                         case TYPE_INT:
1840                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1841                                 M_IST(s1, REG_ITMP1, 0);
1842                                 break;
1843                         case TYPE_LNG:
1844                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1845                                 M_LST(s1, REG_ITMP1, 0);
1846                                 break;
1847                         case TYPE_ADR:
1848                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1849                                 M_AST(s1, REG_ITMP1, 0);
1850                                 break;
1851                         case TYPE_FLT:
1852                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1853                                 M_FST(s1, REG_ITMP1, 0);
1854                                 break;
1855                         case TYPE_DBL:
1856                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1857                                 M_DST(s1, REG_ITMP1, 0);
1858                                 break;
1859                         }
1860                         break;
1861
1862                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
1863                                           /* val = value (in current instruction)     */
1864                                           /* following NOP)                           */
1865
1866                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1867                                 uf        = iptr->sx.s23.s3.uf;
1868                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1869                                 disp      = dseg_add_unique_address(cd, uf);
1870
1871                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1872                         }
1873                         else {
1874                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1875                                 fieldtype = fi->type;
1876                                 disp      = dseg_add_address(cd, fi->value);
1877
1878                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1879                                         patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz,
1880                                                                                   0);
1881                         }
1882
1883                         M_ALD(REG_ITMP1, REG_PV, disp);
1884                         switch (fieldtype) {
1885                         case TYPE_INT:
1886                                 M_IST(REG_ZERO, REG_ITMP1, 0);
1887                                 break;
1888                         case TYPE_LNG:
1889                                 M_LST(REG_ZERO, REG_ITMP1, 0);
1890                                 break;
1891                         case TYPE_ADR:
1892                                 M_AST(REG_ZERO, REG_ITMP1, 0);
1893                                 break;
1894                         case TYPE_FLT:
1895                                 M_FST(REG_ZERO, REG_ITMP1, 0);
1896                                 break;
1897                         case TYPE_DBL:
1898                                 M_DST(REG_ZERO, REG_ITMP1, 0);
1899                                 break;
1900                         }
1901                         break;
1902
1903
1904                 case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
1905
1906                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1907
1908                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1909                                 uf        = iptr->sx.s23.s3.uf;
1910                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1911                                 disp      = 0;
1912
1913                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1914                         }
1915                         else {
1916                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1917                                 fieldtype = fi->type;
1918                                 disp      = fi->offset;
1919                         }
1920
1921                         /* implicit null-pointer check */
1922                         switch (fieldtype) {
1923                         case TYPE_INT:
1924                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1925                                 M_ILD(d, s1, disp);
1926                                 break;
1927                         case TYPE_LNG:
1928                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1929                                 M_LLD(d, s1, disp);
1930                                 break;
1931                         case TYPE_ADR:
1932                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1933                                 M_ALD(d, s1, disp);
1934                                 break;
1935                         case TYPE_FLT:
1936                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1937                                 M_FLD(d, s1, disp);
1938                                 break;
1939                         case TYPE_DBL:
1940                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1941                                 M_DLD(d, s1, disp);
1942                                 break;
1943                         }
1944                         emit_store_dst(jd, iptr, d);
1945                         break;
1946
1947                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
1948
1949                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1950
1951                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1952                                 uf        = iptr->sx.s23.s3.uf;
1953                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1954                                 disp      = 0;
1955                         }
1956                         else {
1957                                 uf        = NULL;
1958                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1959                                 fieldtype = fi->type;
1960                                 disp      = fi->offset;
1961                         }
1962
1963                         if (IS_INT_LNG_TYPE(fieldtype))
1964                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1965                         else
1966                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1967
1968                         if (INSTRUCTION_IS_UNRESOLVED(iptr))
1969                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1970
1971                         /* implicit null-pointer check */
1972                         switch (fieldtype) {
1973                         case TYPE_INT:
1974                                 M_IST(s2, s1, disp);
1975                                 break;
1976                         case TYPE_LNG:
1977                                 M_LST(s2, s1, disp);
1978                                 break;
1979                         case TYPE_ADR:
1980                                 M_AST(s2, s1, disp);
1981                                 break;
1982                         case TYPE_FLT:
1983                                 M_FST(s2, s1, disp);
1984                                 break;
1985                         case TYPE_DBL:
1986                                 M_DST(s2, s1, disp);
1987                                 break;
1988                         }
1989                         break;
1990
1991                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
1992                                           /* val = value (in current instruction)     */
1993                                           /* following NOP)                           */
1994
1995                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1996
1997                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1998                                 uf        = iptr->sx.s23.s3.uf;
1999                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2000                                 disp      = 0;
2001
2002                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
2003                         }
2004                         else {
2005                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
2006                                 fieldtype = fi->type;
2007                                 disp      = fi->offset;
2008                         }
2009
2010                         /* implicit null-pointer check */
2011                         switch (fieldtype) {
2012                         case TYPE_INT:
2013                                 M_IST(REG_ZERO, s1, disp);
2014                                 break;
2015                         case TYPE_LNG:
2016                                 M_LST(REG_ZERO, s1, disp);
2017                                 break;
2018                         case TYPE_ADR:
2019                                 M_AST(REG_ZERO, s1, disp);
2020                                 break;
2021                         case TYPE_FLT:
2022                                 M_FST(REG_ZERO, s1, disp);
2023                                 break;
2024                         case TYPE_DBL:
2025                                 M_DST(REG_ZERO, s1, disp);
2026                                 break;
2027                         }
2028                         break;
2029
2030
2031                 /* branch operations **************************************************/
2032
2033                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2034
2035                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2036                         M_INTMOVE(s1, REG_ITMP1_XPTR);
2037
2038 #ifdef ENABLE_VERIFIER
2039                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2040                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2041
2042                                 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2043                         }
2044 #endif /* ENABLE_VERIFIER */
2045
2046                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2047                         M_ALD(REG_ITMP2, REG_PV, disp);
2048                         M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2049                         M_NOP;              /* nop ensures that XPC is less than the end */
2050                                             /* of basic block                            */
2051                         ALIGNCODENOP;
2052                         break;
2053
2054                 case ICMD_GOTO:         /* ... ==> ...                                */
2055                 case ICMD_RET:          /* ... ==> ...                                */
2056
2057                         emit_br(cd, iptr->dst.block);
2058                         ALIGNCODENOP;
2059                         break;
2060
2061                 case ICMD_JSR:          /* ... ==> ...                                */
2062
2063                         emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
2064                         ALIGNCODENOP;
2065                         break;
2066
2067                 case ICMD_IFNULL:       /* ..., value ==> ...                         */
2068                 case ICMD_IFNONNULL:
2069
2070                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2071                         emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
2072                         break;
2073
2074                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2075
2076                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2077                         if (iptr->sx.val.i == 0)
2078                                 emit_beqz(cd, iptr->dst.block, s1);
2079                         else {
2080                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2081                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2082                                 else {
2083                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2084                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2085                                 }
2086                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2087                         }
2088                         break;
2089
2090                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2091
2092                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2093                         if (iptr->sx.val.i == 0)
2094                                 emit_bltz(cd, iptr->dst.block, s1);
2095                         else {
2096                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2097                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2098                                 else {
2099                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2100                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2101                                 }
2102                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2103                         }
2104                         break;
2105
2106                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2107
2108                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2109                         if (iptr->sx.val.i == 0)
2110                                 emit_blez(cd, iptr->dst.block, s1);
2111                         else {
2112                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2113                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2114                                 else {
2115                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2116                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2117                                 }
2118                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2119                         }
2120                         break;
2121
2122                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2123
2124                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2125                         if (iptr->sx.val.i == 0)
2126                                 emit_bnez(cd, iptr->dst.block, s1);
2127                         else {
2128                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2129                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2130                                 else {
2131                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2132                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2133                                 }
2134                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2135                         }
2136                         break;
2137
2138                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2139
2140                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2141                         if (iptr->sx.val.i == 0)
2142                                 emit_bgtz(cd, iptr->dst.block, s1);
2143                         else {
2144                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2145                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2146                                 else {
2147                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2148                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2149                                 }
2150                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2151                         }
2152                         break;
2153
2154                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2155
2156                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2157                         if (iptr->sx.val.i == 0)
2158                                 emit_bgez(cd, iptr->dst.block, s1);
2159                         else {
2160                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2161                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2162                                 else {
2163                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2164                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2165                                 }
2166                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2167                         }
2168                         break;
2169
2170                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2171
2172                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2173                         if (iptr->sx.val.l == 0)
2174                                 emit_beqz(cd, iptr->dst.block, s1);
2175                         else {
2176                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2177                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2178                                 else {
2179                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2180                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2181                                 }
2182                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2183                         }
2184                         break;
2185
2186                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2187
2188                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2189                         if (iptr->sx.val.l == 0)
2190                                 emit_bltz(cd, iptr->dst.block, s1);
2191                         else {
2192                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2193                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2194                                 else {
2195                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2196                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2197                                 }
2198                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2199                         }
2200                         break;
2201
2202                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2203
2204                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2205                         if (iptr->sx.val.l == 0)
2206                                 emit_blez(cd, iptr->dst.block, s1);
2207                         else {
2208                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2209                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2210                                 else {
2211                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2212                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2213                                 }
2214                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2215                         }
2216                         break;
2217
2218                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2219
2220                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2221                         if (iptr->sx.val.l == 0)
2222                                 emit_bnez(cd, iptr->dst.block, s1);
2223                         else {
2224                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2225                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2226                                 else {
2227                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2228                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2229                                 }
2230                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2231                         }
2232                         break;
2233
2234                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2235
2236                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2237                         if (iptr->sx.val.l == 0)
2238                                 emit_bgtz(cd, iptr->dst.block, s1);
2239                         else {
2240                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2241                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2242                                 else {
2243                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2244                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2245                                 }
2246                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2247                         }
2248                         break;
2249
2250                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2251
2252                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2253                         if (iptr->sx.val.l == 0)
2254                                 emit_bgez(cd, iptr->dst.block, s1);
2255                         else {
2256                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2257                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2258                                 else {
2259                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2260                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2261                                 }
2262                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2263                         }
2264                         break;
2265
2266                 case ICMD_IF_ICMPEQ:    /* ..., value, value ==> ...                  */
2267                 case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
2268                 case ICMD_IF_ACMPEQ:
2269
2270                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2271                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2272                         M_CMPEQ(s1, s2, REG_ITMP1);
2273                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2274                         break;
2275
2276                 case ICMD_IF_ICMPNE:    /* ..., value, value ==> ...                  */
2277                 case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
2278                 case ICMD_IF_ACMPNE:
2279
2280                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2281                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2282                         M_CMPEQ(s1, s2, REG_ITMP1);
2283                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2284                         break;
2285
2286                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2287                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2288
2289                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2290                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2291                         M_CMPLT(s1, s2, REG_ITMP1);
2292                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2293                         break;
2294
2295                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2296                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2297
2298                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2299                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2300                         M_CMPLE(s1, s2, REG_ITMP1);
2301                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2302                         break;
2303
2304                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2305                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2306
2307                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2308                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2309                         M_CMPLE(s1, s2, REG_ITMP1);
2310                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2311                         break;
2312
2313                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2314                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2315
2316                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2317                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2318                         M_CMPLT(s1, s2, REG_ITMP1);
2319                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2320                         break;
2321
2322
2323                 case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
2324                 case ICMD_LRETURN:
2325
2326                         REPLACEMENT_POINT_RETURN(cd, iptr);
2327                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2328                         M_INTMOVE(s1, REG_RESULT);
2329                         goto nowperformreturn;
2330
2331                 case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
2332
2333                         REPLACEMENT_POINT_RETURN(cd, iptr);
2334                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2335                         M_INTMOVE(s1, REG_RESULT);
2336
2337 #ifdef ENABLE_VERIFIER
2338                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2339                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2340
2341                                 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2342                         }
2343 #endif /* ENABLE_VERIFIER */
2344                         goto nowperformreturn;
2345
2346                 case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
2347                 case ICMD_DRETURN:
2348
2349                         REPLACEMENT_POINT_RETURN(cd, iptr);
2350                         s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2351                         M_FLTMOVE(s1, REG_FRESULT);
2352                         goto nowperformreturn;
2353
2354                 case ICMD_RETURN:       /* ...  ==> ...                               */
2355
2356                         REPLACEMENT_POINT_RETURN(cd, iptr);
2357
2358 nowperformreturn:
2359                         {
2360                         s4 i, p;
2361
2362                         p = cd->stackframesize;
2363
2364                         /* call trace function */
2365
2366 #if !defined(NDEBUG)
2367                         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2368                                 emit_verbosecall_exit(jd);
2369 #endif
2370
2371 #if defined(ENABLE_THREADS)
2372                         if (checksync && code_is_synchronized(code)) {
2373                                 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2374
2375                                 switch (iptr->opc) {
2376                                 case ICMD_IRETURN:
2377                                 case ICMD_LRETURN:
2378                                 case ICMD_ARETURN:
2379                                         M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2380                                         break;
2381                                 case ICMD_FRETURN:
2382                                 case ICMD_DRETURN:
2383                                         M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2384                                         break;
2385                                 }
2386
2387                                 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2388                                 M_ALD(REG_PV, REG_PV, disp);
2389                                 M_JSR(REG_RA, REG_PV);
2390                                 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2391                                 M_LDA(REG_PV, REG_RA, disp);
2392
2393                                 switch (iptr->opc) {
2394                                 case ICMD_IRETURN:
2395                                 case ICMD_LRETURN:
2396                                 case ICMD_ARETURN:
2397                                         M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2398                                         break;
2399                                 case ICMD_FRETURN:
2400                                 case ICMD_DRETURN:
2401                                         M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2402                                         break;
2403                                 }
2404                         }
2405 #endif
2406
2407                         /* restore return address                                         */
2408
2409                         if (!code_is_leafmethod(code)) {
2410                                 p--; M_LLD(REG_RA, REG_SP, p * 8);
2411                         }
2412
2413                         /* restore saved registers                                        */
2414
2415                         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2416                                 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2417                         }
2418                         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2419                                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2420                         }
2421
2422                         /* deallocate stack                                               */
2423
2424                         if (cd->stackframesize)
2425                                 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2426
2427                         M_RET(REG_ZERO, REG_RA);
2428                         ALIGNCODENOP;
2429                         }
2430                         break;
2431
2432
2433                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2434                         {
2435                         s4 i, l;
2436                         branch_target_t *table;
2437
2438                         table = iptr->dst.table;
2439
2440                         l = iptr->sx.s23.s2.tablelow;
2441                         i = iptr->sx.s23.s3.tablehigh;
2442
2443                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2444                         if (l == 0) {
2445                                 M_INTMOVE(s1, REG_ITMP1);
2446                         } else if (l <= 32768) {
2447                                 M_LDA(REG_ITMP1, s1, -l);
2448                         } else {
2449                                 ICONST(REG_ITMP2, l);
2450                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2451                         }
2452
2453                         /* number of targets */
2454                         i = i - l + 1;
2455
2456                         /* range check */
2457
2458                         if (i <= 256)
2459                                 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2460                         else {
2461                                 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2462                                 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2463                         }
2464                         emit_beqz(cd, table[0].block, REG_ITMP2);
2465
2466                         /* build jump table top down and use address of lowest entry */
2467
2468                         table += i;
2469
2470                         while (--i >= 0) {
2471                                 dseg_add_target(cd, table->block);
2472                                 --table;
2473                         }
2474                         }
2475
2476                         /* length of dataseg after last dseg_add_target is used by load */
2477
2478                         M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2479                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2480                         M_JMP(REG_ZERO, REG_ITMP2);
2481                         ALIGNCODENOP;
2482                         break;
2483
2484
2485                 case ICMD_LOOKUPSWITCH: /* ..., key ==> ...                           */
2486                         {
2487                         s4 i, val;
2488                         lookup_target_t *lookup;
2489
2490                         lookup = iptr->dst.lookup;
2491
2492                         i = iptr->sx.s23.s2.lookupcount;
2493
2494                         MCODECHECK((i<<2)+8);
2495                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2496
2497                         while (--i >= 0) {
2498                                 val = lookup->value;
2499                                 if ((val >= 0) && (val <= 255)) {
2500                                         M_CMPEQ_IMM(s1, val, REG_ITMP2);
2501                                 } else {
2502                                         if ((val >= -32768) && (val <= 32767)) {
2503                                                 M_LDA(REG_ITMP2, REG_ZERO, val);
2504                                         } else {
2505                                                 disp = dseg_add_s4(cd, val);
2506                                                 M_ILD(REG_ITMP2, REG_PV, disp);
2507                                         }
2508                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2509                                 }
2510                                 emit_bnez(cd, lookup->target.block, REG_ITMP2);
2511                                 lookup++;
2512                         }
2513
2514                         emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2515                         ALIGNCODENOP;
2516                         break;
2517                         }
2518
2519
2520                 case ICMD_BUILTIN:      /* ..., arg1, arg2, arg3 ==> ...              */
2521
2522                         REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
2523
2524                         bte = iptr->sx.s23.s3.bte;
2525                         md  = bte->md;
2526                         goto gen_method;
2527
2528                 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
2529
2530                 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2531                 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
2532                 case ICMD_INVOKEINTERFACE:
2533
2534                         REPLACEMENT_POINT_INVOKE(cd, iptr);
2535
2536                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2537                                 lm = NULL;
2538                                 um = iptr->sx.s23.s3.um;
2539                                 md = um->methodref->parseddesc.md;
2540                         }
2541                         else {
2542                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2543                                 um = NULL;
2544                                 md = lm->parseddesc;
2545                         }
2546
2547 gen_method:
2548                         s3 = md->paramcount;
2549
2550                         MCODECHECK((s3 << 1) + 64);
2551
2552                         /* copy arguments to registers or stack location                  */
2553
2554                         for (s3 = s3 - 1; s3 >= 0; s3--) {
2555                                 var = VAR(iptr->sx.s23.s2.args[s3]);
2556                                 d   = md->params[s3].regoff;
2557
2558                                 /* already preallocated (ARGVAR)? */
2559
2560                                 if (var->flags & PREALLOC)
2561                                         continue;
2562
2563                                 if (IS_INT_LNG_TYPE(var->type)) {
2564                                         if (!md->params[s3].inmemory) {
2565                                                 s1 = emit_load(jd, iptr, var, d);
2566                                                 M_INTMOVE(s1, d);
2567                                         }
2568                                         else {
2569                                                 s1 = emit_load(jd, iptr, var, REG_ITMP1);
2570                                                 M_LST(s1, REG_SP, d);
2571                                         }
2572                                 }
2573                                 else {
2574                                         if (!md->params[s3].inmemory) {
2575                                                 s1 = emit_load(jd, iptr, var, d);
2576                                                 M_FLTMOVE(s1, d);
2577                                         }
2578                                         else {
2579                                                 s1 = emit_load(jd, iptr, var, REG_FTMP1);
2580                                                 M_DST(s1, REG_SP, d);
2581                                         }
2582                                 }
2583                         }
2584
2585                         switch (iptr->opc) {
2586                         case ICMD_BUILTIN:
2587                                 if (bte->stub == NULL)
2588                                         disp = dseg_add_functionptr(cd, bte->fp);
2589                                 else
2590                                         disp = dseg_add_functionptr(cd, bte->stub);
2591
2592                                 M_ALD(REG_PV, REG_PV, disp);  /* Pointer to built-in-function */
2593
2594                                 /* generate the actual call */
2595
2596                                 M_JSR(REG_RA, REG_PV);
2597                                 REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
2598                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2599                                 M_LDA(REG_PV, REG_RA, -disp);
2600                                 break;
2601
2602                         case ICMD_INVOKESPECIAL:
2603                                 emit_nullpointer_check(cd, iptr, REG_A0);
2604                                 /* fall-through */
2605
2606                         case ICMD_INVOKESTATIC:
2607                                 if (lm == NULL) {
2608                                         disp = dseg_add_unique_address(cd, um);
2609
2610                                         patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
2611                                                                                   um, disp);
2612                                 }
2613                                 else
2614                                         disp = dseg_add_address(cd, lm->stubroutine);
2615
2616                                 M_ALD(REG_PV, REG_PV, disp);         /* method pointer in r27 */
2617
2618                                 /* generate the actual call */
2619
2620                                 M_JSR(REG_RA, REG_PV);
2621                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2622                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2623                                 M_LDA(REG_PV, REG_RA, -disp);
2624                                 break;
2625
2626                         case ICMD_INVOKEVIRTUAL:
2627                                 if (lm == NULL) {
2628                                         patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2629
2630                                         s1 = 0;
2631                                 }
2632                                 else
2633                                         s1 = OFFSET(vftbl_t, table[0]) +
2634                                                 sizeof(methodptr) * lm->vftblindex;
2635
2636                                 /* implicit null-pointer check */
2637                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2638                                 M_ALD(REG_PV, REG_METHODPTR, s1);
2639
2640                                 /* generate the actual call */
2641
2642                                 M_JSR(REG_RA, REG_PV);
2643                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2644                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2645                                 M_LDA(REG_PV, REG_RA, -disp);
2646                                 break;
2647
2648                         case ICMD_INVOKEINTERFACE:
2649                                 if (lm == NULL) {
2650                                         patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2651
2652                                         s1 = 0;
2653                                         s2 = 0;
2654                                 }
2655                                 else {
2656                                         s1 = OFFSET(vftbl_t, interfacetable[0]) -
2657                                                 sizeof(methodptr*) * lm->clazz->index;
2658
2659                                         s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
2660                                 }
2661
2662                                 /* implicit null-pointer check */
2663                                 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2664                                 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2665                                 M_ALD(REG_PV, REG_METHODPTR, s2);
2666
2667                                 /* generate the actual call */
2668
2669                                 M_JSR(REG_RA, REG_PV);
2670                                 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2671                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2672                                 M_LDA(REG_PV, REG_RA, -disp);
2673                                 break;
2674                         }
2675
2676                         /* store the return value */
2677
2678                         d = md->returntype.type;
2679
2680                         if (d != TYPE_VOID) {
2681                                 if (IS_INT_LNG_TYPE(d)) {
2682                                         s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2683                                         M_INTMOVE(REG_RESULT, s1);
2684                                 }
2685                                 else {
2686                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2687                                         M_FLTMOVE(REG_FRESULT, s1);
2688                                 }
2689                                 emit_store_dst(jd, iptr, s1);
2690                         }
2691                         break;
2692
2693
2694                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
2695
2696                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2697                                 /* object type cast-check */
2698
2699                                 classinfo *super;
2700                                 s4         superindex;
2701
2702                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2703                                         super      = NULL;
2704                                         superindex = 0;
2705                                 }
2706                                 else {
2707                                         super      = iptr->sx.s23.s3.c.cls;
2708                                         superindex = super->index;
2709                                 }
2710
2711                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2712
2713                                 /* if class is not resolved, check which code to call */
2714
2715                                 if (super == NULL) {
2716                                         emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2717
2718                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
2719
2720                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2721                                                                                   iptr->sx.s23.s3.c.ref,
2722                                                                                   disp);
2723
2724                                         M_ILD(REG_ITMP2, REG_PV, disp);
2725                                         disp = dseg_add_s4(cd, ACC_INTERFACE);
2726                                         M_ILD(REG_ITMP3, REG_PV, disp);
2727                                         M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2728                                         emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
2729                                 }
2730
2731                                 /* interface checkcast code */
2732
2733                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2734                                         if (super == NULL) {
2735                                                 patcher_add_patch_ref(jd,
2736                                                                                           PATCHER_checkcast_interface,
2737                                                                                           iptr->sx.s23.s3.c.ref,
2738                                                                                           0);
2739                                         }
2740                                         else
2741                                                 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2742
2743                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2744                                         M_ILD(REG_ITMP3, REG_ITMP2,
2745                                                   OFFSET(vftbl_t, interfacetablelength));
2746                                         M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2747                                         emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2748
2749                                         M_ALD(REG_ITMP3, REG_ITMP2,
2750                                                   (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2751                                                                 superindex * sizeof(methodptr*)));
2752                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2753
2754                                         if (super == NULL)
2755                                                 emit_label_br(cd, BRANCH_LABEL_4);
2756                                         else
2757                                                 emit_label(cd, BRANCH_LABEL_3);
2758                                 }
2759
2760                                 /* class checkcast code */
2761
2762                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2763                                         if (super == NULL) {
2764                                                 emit_label(cd, BRANCH_LABEL_2);
2765
2766                                                 disp = dseg_add_unique_address(cd, NULL);
2767
2768                                                 patcher_add_patch_ref(jd,
2769                                                                                           PATCHER_resolve_classref_to_vftbl,
2770                                                                                           iptr->sx.s23.s3.c.ref,
2771                                                                                           disp);
2772                                         }
2773                                         else {
2774                                                 disp = dseg_add_address(cd, super->vftbl);
2775
2776                                                 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2777                                         }
2778
2779                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2780                                         M_ALD(REG_ITMP3, REG_PV, disp);
2781
2782                                         M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2783                                         /*                              if (s1 != REG_ITMP1) { */
2784                                         /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
2785                                         /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
2786                                         /*  #if defined(ENABLE_THREADS) */
2787                                         /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
2788                                         /*  #endif */
2789                                         /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
2790
2791                                         /*                              } else { */
2792                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
2793                                         M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2794                                         M_ALD(REG_ITMP3, REG_PV, disp);
2795                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
2796
2797                                         /*                              } */
2798                                         M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2799                                         emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2800
2801                                         if (super != NULL)
2802                                                 emit_label(cd, BRANCH_LABEL_5);
2803                                 }
2804
2805                                 if (super == NULL) {
2806                                         emit_label(cd, BRANCH_LABEL_1);
2807                                         emit_label(cd, BRANCH_LABEL_4);
2808                                 }
2809
2810                                 d = codegen_reg_of_dst(jd, iptr, s1);
2811                         }
2812                         else {
2813                                 /* array type cast-check */
2814
2815                                 s1 = emit_load_s1(jd, iptr, REG_A0);
2816                                 M_INTMOVE(s1, REG_A0);
2817
2818                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2819                                         disp = dseg_add_unique_address(cd, NULL);
2820
2821                                         patcher_add_patch_ref(jd,
2822                                                                                   PATCHER_resolve_classref_to_classinfo,
2823                                                                                   iptr->sx.s23.s3.c.ref,
2824                                                                                   disp);
2825                                 }
2826                                 else
2827                                         disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2828
2829                                 M_ALD(REG_A1, REG_PV, disp);
2830                                 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2831                                 M_ALD(REG_PV, REG_PV, disp);
2832                                 M_JSR(REG_RA, REG_PV);
2833                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2834                                 M_LDA(REG_PV, REG_RA, -disp);
2835
2836                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2837                                 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2838
2839                                 d = codegen_reg_of_dst(jd, iptr, s1);
2840                         }
2841
2842                         M_INTMOVE(s1, d);
2843                         emit_store_dst(jd, iptr, d);
2844                         break;
2845
2846                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
2847
2848                         {
2849                         classinfo *super;
2850                         vftbl_t   *supervftbl;
2851                         s4         superindex;
2852
2853                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2854                                 super = NULL;
2855                                 superindex = 0;
2856                                 supervftbl = NULL;
2857
2858                         } else {
2859                                 super = iptr->sx.s23.s3.c.cls;
2860                                 superindex = super->index;
2861                                 supervftbl = super->vftbl;
2862                         }
2863
2864                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2865                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2866
2867                         if (s1 == d) {
2868                                 M_MOV(s1, REG_ITMP1);
2869                                 s1 = REG_ITMP1;
2870                         }
2871
2872                         /* if class is not resolved, check which code to call */
2873
2874                         if (super == NULL) {
2875                                 M_CLR(d);
2876                                 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2877
2878                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
2879
2880                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2881                                                                           iptr->sx.s23.s3.c.ref, disp);
2882
2883                                 M_ILD(REG_ITMP3, REG_PV, disp);
2884
2885                                 disp = dseg_add_s4(cd, ACC_INTERFACE);
2886                                 M_ILD(REG_ITMP2, REG_PV, disp);
2887                                 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2888                                 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
2889                         }
2890
2891                         /* interface instanceof code */
2892
2893                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2894                                 if (super == NULL) {
2895                                         /* If d == REG_ITMP2, then it's destroyed in check
2896                                            code above. */
2897                                         if (d == REG_ITMP2)
2898                                                 M_CLR(d);
2899
2900                                         patcher_add_patch_ref(jd,
2901                                                                                   PATCHER_instanceof_interface,
2902                                                                                   iptr->sx.s23.s3.c.ref, 0);
2903                                 }
2904                                 else {
2905                                         M_CLR(d);
2906                                         emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2907                                 }
2908
2909                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2910                                 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2911                                 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2912                                 M_BLEZ(REG_ITMP3, 2);
2913                                 M_ALD(REG_ITMP1, REG_ITMP1,
2914                                           (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2915                                                         superindex * sizeof(methodptr*)));
2916                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
2917
2918                                 if (super == NULL)
2919                                         emit_label_br(cd, BRANCH_LABEL_4);
2920                                 else
2921                                         emit_label(cd, BRANCH_LABEL_3);
2922                         }
2923
2924                         /* class instanceof code */
2925
2926                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2927                                 if (super == NULL) {
2928                                         emit_label(cd, BRANCH_LABEL_2);
2929
2930                                         disp = dseg_add_unique_address(cd, NULL);
2931
2932                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2933                                                                                   iptr->sx.s23.s3.c.ref,
2934                                                                                   disp);
2935                                 }
2936                                 else {
2937                                         disp = dseg_add_address(cd, supervftbl);
2938
2939                                         M_CLR(d);
2940                                         emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2941                                 }
2942
2943                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2944                                 M_ALD(REG_ITMP2, REG_PV, disp);
2945
2946                                 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2947                                 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2948                                 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2949
2950                                 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2951                                 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
2952
2953                                 if (super != NULL)
2954                                         emit_label(cd, BRANCH_LABEL_5);
2955                         }
2956
2957                         if (super == NULL) {
2958                                 emit_label(cd, BRANCH_LABEL_1);
2959                                 emit_label(cd, BRANCH_LABEL_4);
2960                         }
2961
2962                         emit_store_dst(jd, iptr, d);
2963                         }
2964                         break;
2965
2966                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
2967
2968                         /* check for negative sizes and copy sizes to stack if necessary  */
2969
2970                         MCODECHECK((iptr->s1.argcount << 1) + 64);
2971
2972                         for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
2973
2974                                 var = VAR(iptr->sx.s23.s2.args[s1]);
2975
2976                                 /* copy SAVEDVAR sizes to stack */
2977
2978                                 /* Already Preallocated? */
2979
2980                                 if (!(var->flags & PREALLOC)) {
2981                                         s2 = emit_load(jd, iptr, var, REG_ITMP1);
2982                                         M_LST(s2, REG_SP, s1 * 8);
2983                                 }
2984                         }
2985
2986                         /* a0 = dimension count */
2987
2988                         ICONST(REG_A0, iptr->s1.argcount);
2989
2990                         /* is patcher function set? */
2991
2992                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2993                                 disp = dseg_add_unique_address(cd, 0);
2994
2995                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
2996                                                                           iptr->sx.s23.s3.c.ref,
2997                                                                           disp);
2998                         }
2999                         else
3000                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3001
3002                         /* a1 = arraydescriptor */
3003
3004                         M_ALD(REG_A1, REG_PV, disp);
3005
3006                         /* a2 = pointer to dimensions = stack pointer */
3007
3008                         M_INTMOVE(REG_SP, REG_A2);
3009
3010                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3011                         M_ALD(REG_PV, REG_PV, disp);
3012                         M_JSR(REG_RA, REG_PV);
3013                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3014                         M_LDA(REG_PV, REG_RA, -disp);
3015
3016                         /* check for exception before result assignment */
3017
3018                         emit_exception_check(cd, iptr);
3019
3020                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3021                         M_INTMOVE(REG_RESULT, d);
3022                         emit_store_dst(jd, iptr, d);
3023                         break;
3024
3025                 default:
3026                         exceptions_throw_internalerror("Unknown ICMD %d during code generation",
3027                                                                                    iptr->opc);
3028                         return false;
3029         } /* switch */
3030
3031         } /* for instruction */
3032
3033         } /* if (bptr -> flags >= BBREACHED) */
3034         } /* for basic block */
3035
3036         /* generate traps */
3037
3038         emit_patcher_traps(jd);
3039
3040         /* everything's ok */
3041
3042         return true;
3043 }
3044
3045
3046 /* codegen_emit_stub_native ****************************************************
3047
3048    Emits a stub routine which calls a native method.
3049
3050 *******************************************************************************/
3051
3052 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
3053 {
3054         methodinfo  *m;
3055         codeinfo    *code;
3056         codegendata *cd;
3057         methoddesc  *md;
3058         int          i, j;
3059         int          t;
3060         int          s1, s2;
3061         int          disp;
3062
3063         /* get required compiler data */
3064
3065         m    = jd->m;
3066         code = jd->code;
3067         cd   = jd->cd;
3068
3069         /* initialize variables */
3070
3071         md = m->parseddesc;
3072
3073         /* calculate stack frame size */
3074
3075         cd->stackframesize =
3076                 1 +                             /* return address                     */
3077                 sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
3078                 sizeof(localref_table) / SIZEOF_VOID_P +
3079                 1 +                             /* methodinfo for call trace          */
3080                 md->paramcount +
3081                 nmd->memuse;
3082
3083         /* create method header */
3084
3085         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3086         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3087         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3088         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3089         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3090
3091         /* generate stub code */
3092
3093         M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3094         M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3095
3096 #if defined(ENABLE_GC_CACAO)
3097         /* Save callee saved integer registers in stackframeinfo (GC may
3098            need to recover them during a collection). */
3099
3100         disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo_t) +
3101                 OFFSET(stackframeinfo_t, intregs);
3102
3103         for (i = 0; i < INT_SAV_CNT; i++)
3104                 M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
3105 #endif
3106
3107         /* save integer and float argument registers */
3108
3109         for (i = 0; i < md->paramcount; i++) {
3110                 if (!md->params[i].inmemory) {
3111                         s1 = md->params[i].regoff;
3112
3113                         switch (md->paramtypes[i].type) {
3114                         case TYPE_INT:
3115                         case TYPE_LNG:
3116                         case TYPE_ADR:
3117                                 M_LST(s1, REG_SP, i * 8);
3118                                 break;
3119                         case TYPE_FLT:
3120                                 M_FST(s1, REG_SP, i * 8);
3121                                 break;
3122                         case TYPE_DBL:
3123                                 M_DST(s1, REG_SP, i * 8);
3124                                 break;
3125                         }
3126                 }
3127         }
3128
3129         /* prepare data structures for native function call */
3130
3131         M_MOV(REG_SP, REG_A0);
3132         M_MOV(REG_PV, REG_A1);
3133         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3134         M_ALD(REG_PV, REG_PV, disp);
3135         M_JSR(REG_RA, REG_PV);
3136         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3137         M_LDA(REG_PV, REG_RA, -disp);
3138
3139         /* remember class argument */
3140
3141         if (m->flags & ACC_STATIC)
3142                 M_MOV(REG_RESULT, REG_ITMP3);
3143
3144         /* restore integer and float argument registers */
3145
3146         for (i = 0; i < md->paramcount; i++) {
3147                 if (!md->params[i].inmemory) {
3148                         s1 = md->params[i].regoff;
3149
3150                         switch (md->paramtypes[i].type) {
3151                         case TYPE_INT:
3152                         case TYPE_LNG:
3153                         case TYPE_ADR:
3154                                 M_LLD(s1, REG_SP, i * 8);
3155                                 break;
3156                         case TYPE_FLT:
3157                                 M_FLD(s1, REG_SP, i * 8);
3158                                 break;
3159                         case TYPE_DBL:
3160                                 M_DLD(s1, REG_SP, i * 8);
3161                                 break;
3162                         }
3163                 }
3164         }
3165
3166         /* copy or spill arguments to new locations */
3167
3168         for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
3169                 t = md->paramtypes[i].type;
3170
3171                 if (IS_INT_LNG_TYPE(t)) {
3172                         if (!md->params[i].inmemory) {
3173                                 s1 = md->params[i].regoff;
3174                                 s2 = nmd->params[j].regoff;
3175
3176                                 if (!nmd->params[j].inmemory)
3177                                         M_INTMOVE(s1, s2);
3178                                 else
3179                                         M_LST(s1, REG_SP, s2);
3180                         }
3181                         else {
3182                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3183                                 s2 = nmd->params[j].regoff;
3184                                 M_LLD(REG_ITMP1, REG_SP, s1);
3185                                 M_LST(REG_ITMP1, REG_SP, s2);
3186                         }
3187                 }
3188                 else {
3189                         if (!md->params[i].inmemory) {
3190                                 s1 = md->params[i].regoff;
3191                                 s2 = nmd->params[j].regoff;
3192
3193                                 if (!nmd->params[j].inmemory)
3194                                         M_FLTMOVE(s1, s2);
3195                                 else {
3196                                         if (IS_2_WORD_TYPE(t))
3197                                                 M_DST(s1, REG_SP, s2);
3198                                         else
3199                                                 M_FST(s1, REG_SP, s2);
3200                                 }
3201                         }
3202                         else {
3203                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3204                                 s2 = nmd->params[j].regoff;
3205                                 M_DLD(REG_FTMP1, REG_SP, s1);
3206                                 if (IS_2_WORD_TYPE(t))
3207                                         M_DST(REG_FTMP1, REG_SP, s2);
3208                                 else
3209                                         M_FST(REG_FTMP1, REG_SP, s2);
3210                         }
3211                 }
3212         }
3213
3214         /* Handle native Java methods. */
3215
3216         if (m->flags & ACC_NATIVE) {
3217                 /* put class into second argument register */
3218
3219                 if (m->flags & ACC_STATIC)
3220                         M_MOV(REG_ITMP3, REG_A1);
3221
3222                 /* put env into first argument register */
3223
3224                 disp = dseg_add_address(cd, VM_get_jnienv());
3225                 M_ALD(REG_A0, REG_PV, disp);
3226         }
3227
3228         /* Call the native function. */
3229
3230         disp = dseg_add_functionptr(cd, f);
3231         M_ALD(REG_PV, REG_PV, disp);
3232         M_JSR(REG_RA, REG_PV);              /* call native method                 */
3233         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3234         M_LDA(REG_PV, REG_RA, -disp);       /* recompute pv from ra               */
3235
3236         /* save return value */
3237
3238         switch (md->returntype.type) {
3239         case TYPE_INT:
3240         case TYPE_LNG:
3241         case TYPE_ADR:
3242                 M_LST(REG_RESULT, REG_SP, 0 * 8);
3243                 break;
3244         case TYPE_FLT:
3245                 M_FST(REG_FRESULT, REG_SP, 0 * 8);
3246                 break;
3247         case TYPE_DBL:
3248                 M_DST(REG_FRESULT, REG_SP, 0 * 8);
3249                 break;
3250         case TYPE_VOID:
3251                 break;
3252         }
3253
3254         /* remove native stackframe info */
3255
3256         M_MOV(REG_SP, REG_A0);
3257         M_MOV(REG_PV, REG_A1);
3258         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3259         M_ALD(REG_PV, REG_PV, disp);
3260         M_JSR(REG_RA, REG_PV);
3261         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3262         M_LDA(REG_PV, REG_RA, -disp);
3263         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3264
3265         /* restore return value */
3266
3267         switch (md->returntype.type) {
3268         case TYPE_INT:
3269         case TYPE_LNG:
3270         case TYPE_ADR:
3271                 M_LLD(REG_RESULT, REG_SP, 0 * 8);
3272                 break;
3273         case TYPE_FLT:
3274                 M_FLD(REG_FRESULT, REG_SP, 0 * 8);
3275                 break;
3276         case TYPE_DBL:
3277                 M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3278                 break;
3279         case TYPE_VOID:
3280                 break;
3281         }
3282
3283 #if defined(ENABLE_GC_CACAO)
3284         /* Restore callee saved integer registers from stackframeinfo (GC
3285            might have modified them during a collection). */
3286
3287         disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo_t) +
3288                 OFFSET(stackframeinfo_t, intregs);
3289
3290         for (i = 0; i < INT_SAV_CNT; i++)
3291                 M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
3292 #endif
3293
3294         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA            */
3295         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3296
3297         /* check for exception */
3298
3299         M_BNEZ(REG_ITMP1_XPTR, 1);          /* if no exception then return        */
3300         M_RET(REG_ZERO, REG_RA);            /* return to caller                   */
3301
3302         /* handle exception */
3303
3304         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address            */
3305
3306         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3307         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3308         M_JMP(REG_ZERO, REG_ITMP3);         /* jump to asm exception handler      */
3309 }
3310
3311
3312 /*
3313  * These are local overrides for various environment variables in Emacs.
3314  * Please do not remove this and leave it at the end of the file, where
3315  * Emacs will automagically detect them.
3316  * ---------------------------------------------------------------------
3317  * Local variables:
3318  * mode: c
3319  * indent-tabs-mode: t
3320  * c-basic-offset: 4
3321  * tab-width: 4
3322  * End:
3323  * vim:noexpandtab:sw=4:ts=4:
3324  */