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 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25    Contact: cacao@cacaojvm.org
  26
  27    Authors: Andreas Krall
  28             Reinhard Grafl
  29
  30    Changes: Joseph Wenninger
  31             Christian Thalinger
  32             Christian Ullrich
  33             Edwin Steiner
  34
  35    $Id: codegen.c 5350 2006-09-05 22:27:36Z edwin $
  36
  37 */
  38
  39
  40 #include "config.h"
  41
  42 #include <assert.h>
  43 #include <stdio.h>
  44
  45 #include "vm/types.h"
  46
  47 #include "md.h"
  48 #include "md-abi.h"
  49
  50 #include "vm/jit/alpha/arch.h"
  51 #include "vm/jit/alpha/codegen.h"
  52
  53 #include "native/jni.h"
  54 #include "native/native.h"
  55
  56 #if defined(ENABLE_THREADS)
  57 # include "threads/native/lock.h"
  58 #endif
  59
  60 #include "vm/builtin.h"
  61 #include "vm/exceptions.h"
  62 #include "vm/global.h"
  63 #include "vm/loader.h"
  64 #include "vm/options.h"
  65 #include "vm/stringlocal.h"
  66 #include "vm/vm.h"
  67 #include "vm/jit/asmpart.h"
  68 #include "vm/jit/codegen-common.h"
  69 #include "vm/jit/dseg.h"
  70 #include "vm/jit/emit.h"
  71 #include "vm/jit/jit.h"
  72 #include "vm/jit/parse.h"
  73 #include "vm/jit/patcher.h"
  74 #include "vm/jit/reg.h"
  75 #include "vm/jit/replace.h"
  76
  77 #if defined(ENABLE_LSRA)
  78 # include "vm/jit/allocator/lsra.h"
  79 #endif
  80
  81
  82 /* codegen *********************************************************************
  83
  84    Generates machine code.
  85
  86 *******************************************************************************/
  87
  88 bool codegen(jitdata *jd)
  89 {
  90         methodinfo         *m;
  91         codeinfo           *code;
  92         codegendata        *cd;
  93         registerdata       *rd;
  94         s4                  len, s1, s2, s3, d, disp;
  95         stackptr            src;
  96         varinfo            *var;
  97         basicblock         *bptr;
  98         instruction        *iptr;
  99         exceptiontable     *ex;
 100         u2                  currentline;
 101         methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
 102         builtintable_entry *bte;
 103         methoddesc         *md;
 104         rplpoint           *replacementpoint;
 105         s4                  fieldtype;
 106
 107         /* get required compiler data */
 108
 109         m    = jd->m;
 110         code = jd->code;
 111         cd   = jd->cd;
 112         rd   = jd->rd;
 113
 114         /* prevent compiler warnings */
 115
 116         d = 0;
 117         currentline = 0;
 118         lm = NULL;
 119         bte = NULL;
 120
 121         {
 122         s4 i, p, t, l;
 123         s4 savedregs_num;
 124
 125         savedregs_num = (jd->isleafmethod) ? 0 : 1;       /* space to save the RA */
 126
 127         /* space to save used callee saved registers */
 128
 129         savedregs_num += (INT_SAV_CNT - rd->savintreguse);
 130         savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 131
 132         cd->stackframesize = rd->memuse + savedregs_num;
 133
 134 #if defined(ENABLE_THREADS)        /* space to save argument of monitor_enter */
 135         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 136                 cd->stackframesize++;
 137 #endif
 138
 139         /* create method header */
 140
 141 #if 0
 142         cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
 143 #endif
 144
 145         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
 146         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
 147
 148 #if defined(ENABLE_THREADS)
 149         /* IsSync contains the offset relative to the stack pointer for the
 150            argument of monitor_exit used in the exception handler. Since the
 151            offset could be zero and give a wrong meaning of the flag it is
 152            offset by one.
 153         */
 154
 155         if (checksync && (m->flags & ACC_SYNCHRONIZED))
 156                 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8);       /* IsSync  */
 157         else
 158 #endif
 159                 (void) dseg_add_unique_s4(cd, 0);                          /* IsSync  */
 160
 161         (void) dseg_add_unique_s4(cd, jd->isleafmethod);               /* IsLeaf  */
 162         (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
 163         (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
 164
 165         dseg_addlinenumbertablesize(cd);
 166
 167         (void) dseg_add_unique_s4(cd, cd->exceptiontablelength);   /* ExTableSize */
 168
 169         /* create exception table */
 170
 171         for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
 172                 dseg_add_target(cd, ex->start);
 173                 dseg_add_target(cd, ex->end);
 174                 dseg_add_target(cd, ex->handler);
 175                 (void) dseg_add_unique_address(cd, ex->catchtype.cls);
 176         }
 177
 178         /* create stack frame (if necessary) */
 179
 180         if (cd->stackframesize)
 181                 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
 182
 183         /* save return address and used callee saved registers */
 184
 185         p = cd->stackframesize;
 186         if (!jd->isleafmethod) {
 187                 p--; M_AST(REG_RA, REG_SP, p * 8);
 188         }
 189         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 190                 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
 191         }
 192         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 193                 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
 194         }
 195
 196         /* take arguments out of register or stack frame */
 197
 198         md = m->parseddesc;
 199
 200         for (p = 0, l = 0; p < md->paramcount; p++) {
 201                 t = md->paramtypes[p].type;
 202                 var = &(rd->locals[l][t]);
 203                 l++;
 204                 if (IS_2_WORD_TYPE(t))    /* increment local counter for 2 word types */
 205                         l++;
 206                 if (var->type < 0)
 207                         continue;
 208                 s1 = md->params[p].regoff;
 209                 if (IS_INT_LNG_TYPE(t)) {                    /* integer args          */
 210                         if (!md->params[p].inmemory) {           /* register arguments    */
 211                                 s2 = rd->argintregs[s1];
 212                                 if (!(var->flags & INMEMORY)) {      /* reg arg -> register   */
 213                                         M_INTMOVE(s2, var->regoff);
 214
 215                                 } else {                             /* reg arg -> spilled    */
 216                                         M_LST(s2, REG_SP, var->regoff * 8);
 217                                 }
 218
 219                         } else {                                 /* stack arguments       */
 220                                 if (!(var->flags & INMEMORY)) {      /* stack arg -> register */
 221                                         M_LLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
 222
 223                                 } else {                             /* stack arg -> spilled  */
 224                                         var->regoff = cd->stackframesize + s1;
 225                                 }
 226                         }
 227
 228                 } else {                                     /* floating args         */
 229                         if (!md->params[p].inmemory) {           /* register arguments    */
 230                                 s2 = rd->argfltregs[s1];
 231                                 if (!(var->flags & INMEMORY)) {      /* reg arg -> register   */
 232                                         M_FLTMOVE(s2, var->regoff);
 233
 234                                 } else {                                         /* reg arg -> spilled    */
 235                                         M_DST(s2, REG_SP, var->regoff * 8);
 236                                 }
 237
 238                         } else {                                 /* stack arguments       */
 239                                 if (!(var->flags & INMEMORY)) {      /* stack-arg -> register */
 240                                         M_DLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
 241
 242                                 } else {                             /* stack-arg -> spilled  */
 243                                         var->regoff = cd->stackframesize + s1;
 244                                 }
 245                         }
 246                 }
 247         } /* end for */
 248
 249         /* call monitorenter function */
 250
 251 #if defined(ENABLE_THREADS)
 252         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
 253                 /* stack offset for monitor argument */
 254
 255                 s1 = rd->memuse;
 256
 257 #if !defined(NDEBUG)
 258                 if (opt_verbosecall) {
 259                         M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
 260
 261                         for (p = 0; p < INT_ARG_CNT; p++)
 262                                 M_LST(rd->argintregs[p], REG_SP, p * 8);
 263
 264                         for (p = 0; p < FLT_ARG_CNT; p++)
 265                                 M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
 266
 267                         s1 += INT_ARG_CNT + FLT_ARG_CNT;
 268                 }
 269 #endif /* !defined(NDEBUG) */
 270
 271                 /* decide which monitor enter function to call */
 272
 273                 if (m->flags & ACC_STATIC) {
 274                         disp = dseg_add_address(cd, &m->class->object.header);
 275                         M_ALD(rd->argintregs[0], REG_PV, disp);
 276                 }
 277                 else {
 278                         M_BEQZ(rd->argintregs[0], 0);
 279                         codegen_add_nullpointerexception_ref(cd);
 280                 }
 281
 282                 M_AST(rd->argintregs[0], REG_SP, s1 * 8);
 283                 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
 284                 M_ALD(REG_PV, REG_PV, disp);
 285                 M_JSR(REG_RA, REG_PV);
 286                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
 287                 M_LDA(REG_PV, REG_RA, -disp);
 288
 289 #if !defined(NDEBUG)
 290                 if (opt_verbosecall) {
 291                         for (p = 0; p < INT_ARG_CNT; p++)
 292                                 M_LLD(rd->argintregs[p], REG_SP, p * 8);
 293
 294                         for (p = 0; p < FLT_ARG_CNT; p++)
 295                                 M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
 296
 297                         M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
 298                 }
 299 #endif /* !defined(NDEBUG) */
 300         }
 301 #endif
 302
 303         /* call trace function */
 304
 305 #if !defined(NDEBUG)
 306         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
 307                 emit_verbosecall_enter(jd);
 308 #endif
 309
 310         }
 311
 312         /* end of header generation */
 313
 314         replacementpoint = jd->code->rplpoints;
 315
 316         /* walk through all basic blocks */
 317
 318         for (bptr = jd->new_basicblocks; bptr != NULL; bptr = bptr->next) {
 319
 320                 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
 321
 322                 if (bptr->flags >= BBREACHED) {
 323
 324                 /* branch resolving */
 325
 326                 {
 327                 branchref *brefs;
 328                 for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
 329                         gen_resolvebranch((u1*) cd->mcodebase + brefs->branchpos,
 330                                           brefs->branchpos, bptr->mpc);
 331                         }
 332                 }
 333
 334                 /* handle replacement points */
 335
 336 #if 0
 337                 if (bptr->bitflags & BBFLAG_REPLACEMENT) {
 338                         replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
 339
 340                         replacementpoint++;
 341                 }
 342 #endif
 343
 344                 /* copy interface registers to their destination */
 345
 346                 len = bptr->indepth;
 347                 MCODECHECK(64+len);
 348 #if defined(ENABLE_LSRA)
 349                 if (opt_lsra) {
 350                 while (len) {
 351                         len--;
 352                         src = bptr->invars[len];
 353                         if ((len == 0) && (bptr->type != BBTYPE_STD)) {
 354                                         /*                              d = reg_of_var(m, src, REG_ITMP1); */
 355                                         if (!(src->flags & INMEMORY))
 356                                                 d = src->regoff;
 357                                         else
 358                                                 d = REG_ITMP1;
 359                                         M_INTMOVE(REG_ITMP1, d);
 360                                         emit_store(jd, NULL, src, d);
 361                                 }
 362                         }
 363                 } else {
 364 #endif
 365                         while (len) {
 366                                 len--;
 367                                 src = bptr->invars[len];
 368                                 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
 369                                         d = codegen_reg_of_var(rd, 0, src, REG_ITMP1);
 370                                         M_INTMOVE(REG_ITMP1, d);
 371                                         emit_store(jd, NULL, src, d);
 372
 373                                 } else {
 374                                         d = codegen_reg_of_var(rd, 0, src, REG_IFTMP);
 375                                         if ((src->varkind != STACKVAR)) {
 376                                                 s2 = src->type;
 377                                                 if (IS_FLT_DBL_TYPE(s2)) {
 378                                                         if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
 379                                                                 s1 = rd->interfaces[len][s2].regoff;
 380                                                                 M_FLTMOVE(s1, d);
 381                                                         } else {
 382                                                                 M_DLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
 383                                                         }
 384                                                         emit_store(jd, NULL, src, d);
 385                                                 }
 386                                                 else {
 387                                                         if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
 388                                                                 s1 = rd->interfaces[len][s2].regoff;
 389                                                                 M_INTMOVE(s1, d);
 390                                                         } else {
 391                                                                 M_LLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
 392                                                         }
 393                                                         emit_store(jd, NULL, src, d);
 394                                                 }
 395                                         }
 396                                 }
 397                         }
 398 #if defined(ENABLE_LSRA)
 399                 }
 400 #endif
 401
 402                 /* walk through all instructions */
 403
 404                 len = bptr->icount;
 405
 406                 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
 407                         if (iptr->line != currentline) {
 408                                 dseg_addlinenumber(cd, iptr->line);
 409                                 currentline = iptr->line;
 410                         }
 411
 412                 MCODECHECK(64);       /* an instruction usually needs < 64 words      */
 413                 switch (iptr->opc) {
 414
 415                 case ICMD_INLINE_START:
 416                 case ICMD_INLINE_END:
 417                         break;
 418
 419                 case ICMD_NOP:        /* ...  ==> ...                                 */
 420                         break;
 421
 422                 case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
 423
 424                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 425                         M_BEQZ(s1, 0);
 426                         codegen_add_nullpointerexception_ref(cd);
 427                         break;
 428
 429                 /* constant operations ************************************************/
 430
 431                 case ICMD_ICONST:     /* ...  ==> ..., constant                       */
 432
 433                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 434                         ICONST(d, iptr->sx.val.i);
 435                         emit_store_dst(jd, iptr, d);
 436                         break;
 437
 438                 case ICMD_LCONST:     /* ...  ==> ..., constant                       */
 439
 440                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 441                         LCONST(d, iptr->sx.val.l);
 442                         emit_store_dst(jd, iptr, d);
 443                         break;
 444
 445                 case ICMD_FCONST:     /* ...  ==> ..., constant                       */
 446
 447                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 448                         disp = dseg_add_float(cd, iptr->sx.val.f);
 449                         M_FLD(d, REG_PV, disp);
 450                         emit_store_dst(jd, iptr, d);
 451                         break;
 452
 453                 case ICMD_DCONST:     /* ...  ==> ..., constant                       */
 454
 455                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 456                         disp = dseg_add_double(cd, iptr->sx.val.d);
 457                         M_DLD(d, REG_PV, disp);
 458                         emit_store_dst(jd, iptr, d);
 459                         break;
 460
 461                 case ICMD_ACONST:     /* ...  ==> ..., constant                       */
 462
 463                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 464
 465                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
 466                                 constant_classref *cr = iptr->sx.val.c.ref;
 467
 468                                 disp = dseg_add_unique_address(cd, cr);
 469
 470                                 /* XXX Only add the patcher, if this position needs to
 471                                    be patched.  If there was a previous position which
 472                                    resolved the same class, the returned displacement
 473                                    of dseg_addaddress is ok to use. */
 474
 475                                 codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
 476                                                                         cr, disp);
 477
 478                                 if (opt_showdisassemble)
 479                                         M_NOP;
 480
 481                                 M_ALD(d, REG_PV, disp);
 482                         }
 483                         else {
 484                                 if (iptr->sx.val.anyptr == NULL)
 485                                         M_INTMOVE(REG_ZERO, d);
 486                                 else {
 487                                         disp = dseg_add_address(cd, iptr->sx.val.anyptr);
 488                                         M_ALD(d, REG_PV, disp);
 489                                 }
 490                         }
 491                         emit_store_dst(jd, iptr, d);
 492                         break;
 493
 494
 495                 /* load/store operations **********************************************/
 496
 497                 case ICMD_ILOAD:      /* ...  ==> ..., content of local variable      */
 498                 case ICMD_LLOAD:      /* op1 = local variable                         */
 499                 case ICMD_ALOAD:
 500
 501                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 502                         if ((iptr->dst.var->varkind == LOCALVAR) &&
 503                             (iptr->dst.var->varnum == iptr->s1.localindex))
 504                                 break;
 505                         var = &(rd->locals[iptr->s1.localindex][iptr->opc - ICMD_ILOAD]);
 506                         if (var->flags & INMEMORY) {
 507                                 M_LLD(d, REG_SP, var->regoff * 8);
 508                         } else {
 509                                 M_INTMOVE(var->regoff, d);
 510                         }
 511                         emit_store_dst(jd, iptr, d);
 512                         break;
 513
 514                 case ICMD_FLOAD:      /* ...  ==> ..., content of local variable      */
 515                 case ICMD_DLOAD:      /* op1 = local variable                         */
 516
 517                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 518                         if ((iptr->dst.var->varkind == LOCALVAR) &&
 519                             (iptr->dst.var->varnum == iptr->s1.localindex))
 520                                 break;
 521                         var = &(rd->locals[iptr->s1.localindex][iptr->opc - ICMD_ILOAD]);
 522                         if (var->flags & INMEMORY) {
 523                                 M_DLD(d, REG_SP, var->regoff * 8);
 524                         } else {
 525                                 M_FLTMOVE(var->regoff, d);
 526                         }
 527                         emit_store_dst(jd, iptr, d);
 528                         break;
 529
 530
 531                 case ICMD_ISTORE:     /* ..., value  ==> ...                          */
 532                 case ICMD_LSTORE:     /* op1 = local variable                         */
 533                 case ICMD_ASTORE:
 534
 535                         if ((iptr->s1.var->varkind == LOCALVAR) &&
 536                             (iptr->s1.var->varnum == iptr->dst.localindex))
 537                                 break;
 538                         var = &(rd->locals[iptr->dst.localindex][iptr->opc - ICMD_ISTORE]);
 539                         if (var->flags & INMEMORY) {
 540                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 541                                 M_LST(s1, REG_SP, var->regoff * 8);
 542                         } else {
 543                                 s1 = emit_load_s1(jd, iptr, var->regoff);
 544                                 M_INTMOVE(s1, var->regoff);
 545                         }
 546                         break;
 547
 548                 case ICMD_FSTORE:     /* ..., value  ==> ...                          */
 549                 case ICMD_DSTORE:     /* op1 = local variable                         */
 550
 551                         if ((iptr->s1.var->varkind == LOCALVAR) &&
 552                             (iptr->s1.var->varnum == iptr->dst.localindex))
 553                                 break;
 554                         var = &(rd->locals[iptr->dst.localindex][iptr->opc - ICMD_ISTORE]);
 555                         if (var->flags & INMEMORY) {
 556                                 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
 557                                 M_DST(s1, REG_SP, var->regoff * 8);
 558                         } else {
 559                                 s1 = emit_load_s1(jd, iptr, var->regoff);
 560                                 M_FLTMOVE(s1, var->regoff);
 561                         }
 562                         break;
 563
 564
 565                 /* pop/dup/swap operations ********************************************/
 566
 567                 /* attention: double and longs are only one entry in CACAO ICMDs      */
 568
 569                 case ICMD_POP:        /* ..., value  ==> ...                          */
 570                 case ICMD_POP2:       /* ..., value, value  ==> ...                   */
 571                         break;
 572
 573                 case ICMD_DUP:        /* ..., a ==> ..., a, a                         */
 574
 575                         M_COPY(iptr->s1.var, iptr->dst.var);
 576                         break;
 577
 578                 case ICMD_DUP_X1:     /* ..., a, b ==> ..., b, a, b                   */
 579
 580                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[2+2]);
 581                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[2+1]);
 582                         M_COPY(iptr->dst.dupslots[2+2], iptr->dst.dupslots[2+0]);
 583                         break;
 584
 585                 case ICMD_DUP_X2:     /* ..., a, b, c ==> ..., c, a, b, c             */
 586
 587                         M_COPY(iptr->dst.dupslots[  2], iptr->dst.dupslots[3+3]);
 588                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[3+2]);
 589                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[3+1]);
 590                         M_COPY(iptr->dst.dupslots[3+3], iptr->dst.dupslots[3+0]);
 591                         break;
 592
 593                 case ICMD_DUP2:       /* ..., a, b ==> ..., a, b, a, b                */
 594
 595                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[2+1]);
 596                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[2+0]);
 597                         break;
 598
 599                 case ICMD_DUP2_X1:    /* ..., a, b, c ==> ..., b, c, a, b, c          */
 600
 601                         M_COPY(iptr->dst.dupslots[  2], iptr->dst.dupslots[3+4]);
 602                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[3+3]);
 603                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[3+2]);
 604                         M_COPY(iptr->dst.dupslots[3+4], iptr->dst.dupslots[3+1]);
 605                         M_COPY(iptr->dst.dupslots[3+3], iptr->dst.dupslots[3+0]);
 606                         break;
 607
 608                 case ICMD_DUP2_X2:    /* ..., a, b, c, d ==> ..., c, d, a, b, c, d    */
 609
 610                         M_COPY(iptr->dst.dupslots[  3], iptr->dst.dupslots[4+5]);
 611                         M_COPY(iptr->dst.dupslots[  2], iptr->dst.dupslots[4+4]);
 612                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[4+3]);
 613                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[4+2]);
 614                         M_COPY(iptr->dst.dupslots[4+5], iptr->dst.dupslots[4+1]);
 615                         M_COPY(iptr->dst.dupslots[4+4], iptr->dst.dupslots[4+0]);
 616                         break;
 617
 618                 case ICMD_SWAP:       /* ..., a, b ==> ..., b, a                      */
 619
 620                         M_COPY(iptr->dst.dupslots[  1], iptr->dst.dupslots[2+0]);
 621                         M_COPY(iptr->dst.dupslots[  0], iptr->dst.dupslots[2+1]);
 622                         break;
 623
 624
 625                 /* integer operations *************************************************/
 626
 627                 case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 628
 629                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 630                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 631                         M_ISUB(REG_ZERO, s1, d);
 632                         emit_store_dst(jd, iptr, d);
 633                         break;
 634
 635                 case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 636
 637                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 638                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 639                         M_LSUB(REG_ZERO, s1, d);
 640                         emit_store_dst(jd, iptr, d);
 641                         break;
 642
 643                 case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 644
 645                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 646                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 647                         M_INTMOVE(s1, d);
 648                         emit_store_dst(jd, iptr, d);
 649                         break;
 650
 651                 case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 652
 653                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 654                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 655                         M_IADD(s1, REG_ZERO, d);
 656                         emit_store_dst(jd, iptr, d);
 657                         break;
 658
 659                 case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 660
 661                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 662                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 663                         if (has_ext_instr_set) {
 664                                 M_BSEXT(s1, d);
 665                         } else {
 666                                 M_SLL_IMM(s1, 56, d);
 667                                 M_SRA_IMM( d, 56, d);
 668                         }
 669                         emit_store_dst(jd, iptr, d);
 670                         break;
 671
 672                 case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 673
 674                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 675                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 676             M_CZEXT(s1, d);
 677                         emit_store_dst(jd, iptr, d);
 678                         break;
 679
 680                 case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 681
 682                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 683                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 684                         if (has_ext_instr_set) {
 685                                 M_SSEXT(s1, d);
 686                         } else {
 687                                 M_SLL_IMM(s1, 48, d);
 688                                 M_SRA_IMM( d, 48, d);
 689                         }
 690                         emit_store_dst(jd, iptr, d);
 691                         break;
 692
 693
 694                 case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 695
 696                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 697                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 698                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 699                         M_IADD(s1, s2, d);
 700                         emit_store_dst(jd, iptr, d);
 701                         break;
 702
 703                 case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
 704                                       /* sx.val.i = constant                             */
 705
 706                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 707                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 708                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 709                                 M_IADD_IMM(s1, iptr->sx.val.i, d);
 710                         } else {
 711                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 712                                 M_IADD(s1, REG_ITMP2, d);
 713                         }
 714                         emit_store_dst(jd, iptr, d);
 715                         break;
 716
 717                 case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 718
 719                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 720                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 721                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 722                         M_LADD(s1, s2, d);
 723                         emit_store_dst(jd, iptr, d);
 724                         break;
 725
 726                 case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
 727                                       /* sx.val.l = constant                             */
 728
 729                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 730                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 731                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 732                                 M_LADD_IMM(s1, iptr->sx.val.l, d);
 733                         } else {
 734                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 735                                 M_LADD(s1, REG_ITMP2, d);
 736                         }
 737                         emit_store_dst(jd, iptr, d);
 738                         break;
 739
 740                 case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 741
 742                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 743                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 744                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 745                         M_ISUB(s1, s2, d);
 746                         emit_store_dst(jd, iptr, d);
 747                         break;
 748
 749                 case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
 750                                       /* sx.val.i = constant                             */
 751
 752                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 753                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 754                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 755                                 M_ISUB_IMM(s1, iptr->sx.val.i, d);
 756                         } else {
 757                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 758                                 M_ISUB(s1, REG_ITMP2, d);
 759                         }
 760                         emit_store_dst(jd, iptr, d);
 761                         break;
 762
 763                 case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 764
 765                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 766                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 767                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 768                         M_LSUB(s1, s2, d);
 769                         emit_store_dst(jd, iptr, d);
 770                         break;
 771
 772                 case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
 773                                       /* sx.val.l = constant                             */
 774
 775                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 776                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 777                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 778                                 M_LSUB_IMM(s1, iptr->sx.val.l, d);
 779                         } else {
 780                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 781                                 M_LSUB(s1, REG_ITMP2, d);
 782                         }
 783                         emit_store_dst(jd, iptr, d);
 784                         break;
 785
 786                 case ICMD_IMUL:       /* ..., 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_IMUL(s1, s2, d);
 792                         emit_store_dst(jd, iptr, d);
 793                         break;
 794
 795                 case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
 796                                       /* sx.val.i = constant                             */
 797
 798                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 799                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 800                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
 801                                 M_IMUL_IMM(s1, iptr->sx.val.i, d);
 802                         } else {
 803                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 804                                 M_IMUL(s1, REG_ITMP2, d);
 805                         }
 806                         emit_store_dst(jd, iptr, d);
 807                         break;
 808
 809                 case ICMD_LMUL:       /* ..., 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_LMUL(s1, s2, d);
 815                         emit_store_dst(jd, iptr, d);
 816                         break;
 817
 818                 case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
 819                                       /* sx.val.l = constant                             */
 820
 821                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 822                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 823                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
 824                                 M_LMUL_IMM(s1, iptr->sx.val.l, d);
 825                         } else {
 826                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 827                                 M_LMUL(s1, REG_ITMP2, d);
 828                         }
 829                         emit_store_dst(jd, iptr, d);
 830                         break;
 831
 832                 case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 833                 case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 834
 835                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 836                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 837                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 838                         M_BEQZ(s2, 0);
 839                         codegen_add_arithmeticexception_ref(cd);
 840
 841                         M_MOV(s1, rd->argintregs[0]);
 842                         M_MOV(s2, rd->argintregs[1]);
 843                         bte = iptr->sx.s23.s3.bte;
 844                         disp = dseg_add_functionptr(cd, bte->fp);
 845                         M_ALD(REG_PV, REG_PV, disp);
 846                         M_JSR(REG_RA, REG_PV);
 847                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 848                         M_LDA(REG_PV, REG_RA, -disp);
 849
 850                         M_IADD(REG_RESULT, REG_ZERO, d); /* sign extend (bugfix for gcc -O2) */
 851                         emit_store_dst(jd, iptr, d);
 852                         break;
 853
 854                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 855                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 856
 857                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 858                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 859                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
 860                         M_BEQZ(s2, 0);
 861                         codegen_add_arithmeticexception_ref(cd);
 862
 863                         M_MOV(s1, rd->argintregs[0]);
 864                         M_MOV(s2, rd->argintregs[1]);
 865                         bte = iptr->sx.s23.s3.bte;
 866                         disp = dseg_add_functionptr(cd, bte->fp);
 867                         M_ALD(REG_PV, REG_PV, disp);
 868                         M_JSR(REG_RA, REG_PV);
 869                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
 870                         M_LDA(REG_PV, REG_RA, -disp);
 871
 872                         M_INTMOVE(REG_RESULT, d);
 873                         emit_store_dst(jd, iptr, d);
 874                         break;
 875
 876                 case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 877                 case ICMD_LDIVPOW2:   /* val.i = constant                             */
 878
 879                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 880                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 881                         if (iptr->sx.val.i <= 15) {
 882                                 M_LDA(REG_ITMP2, s1, (1 << iptr->sx.val.i) -1);
 883                                 M_CMOVGE(s1, s1, REG_ITMP2);
 884                         } else {
 885                                 M_SRA_IMM(s1, 63, REG_ITMP2);
 886                                 M_SRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 887                                 M_LADD(s1, REG_ITMP2, REG_ITMP2);
 888                         }
 889                         M_SRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 890                         emit_store_dst(jd, iptr, d);
 891                         break;
 892
 893                 case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 894
 895                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 896                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 897                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 898                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 899                         M_SLL(s1, REG_ITMP3, d);
 900                         M_IADD(d, REG_ZERO, d);
 901                         emit_store_dst(jd, iptr, d);
 902                         break;
 903
 904                 case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
 905                                       /* sx.val.i = constant                             */
 906
 907                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 908                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 909                         M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
 910                         M_IADD(d, REG_ZERO, d);
 911                         emit_store_dst(jd, iptr, d);
 912                         break;
 913
 914                 case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 915
 916                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 917                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 918                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 919                         M_AND_IMM(s2, 0x1f, REG_ITMP3);
 920                         M_SRA(s1, REG_ITMP3, d);
 921                         emit_store_dst(jd, iptr, d);
 922                         break;
 923
 924                 case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
 925                                       /* sx.val.i = constant                             */
 926
 927                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 928                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 929                         M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
 930                         emit_store_dst(jd, iptr, d);
 931                         break;
 932
 933                 case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 934
 935                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 936                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 937                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 938                         M_AND_IMM(s2, 0x1f, REG_ITMP2);
 939             M_IZEXT(s1, d);
 940                         M_SRL(d, REG_ITMP2, d);
 941                         M_IADD(d, REG_ZERO, d);
 942                         emit_store_dst(jd, iptr, d);
 943                         break;
 944
 945                 case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 946                                       /* sx.val.i = constant                             */
 947
 948                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 949                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 950             M_IZEXT(s1, d);
 951                         M_SRL_IMM(d, iptr->sx.val.i & 0x1f, d);
 952                         M_IADD(d, REG_ZERO, d);
 953                         emit_store_dst(jd, iptr, d);
 954                         break;
 955
 956                 case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 957
 958                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 959                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 960                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 961                         M_SLL(s1, s2, d);
 962                         emit_store_dst(jd, iptr, d);
 963                         break;
 964
 965                 case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
 966                                       /* sx.val.i = constant                             */
 967
 968                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 969                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 970                         M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
 971                         emit_store_dst(jd, iptr, d);
 972                         break;
 973
 974                 case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 975
 976                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 977                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 978                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 979                         M_SRA(s1, s2, d);
 980                         emit_store_dst(jd, iptr, d);
 981                         break;
 982
 983                 case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
 984                                       /* sx.val.i = constant                             */
 985
 986                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 987                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 988                         M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
 989                         emit_store_dst(jd, iptr, d);
 990                         break;
 991
 992                 case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 993
 994                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 995                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 996                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 997                         M_SRL(s1, s2, d);
 998                         emit_store_dst(jd, iptr, d);
 999                         break;
1000
1001                 case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
1002                                       /* sx.val.i = constant                             */
1003
1004                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1005                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1006                         M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
1007                         emit_store_dst(jd, iptr, d);
1008                         break;
1009
1010                 case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
1011                 case ICMD_LAND:
1012
1013                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1014                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1015                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1016                         M_AND(s1, s2, d);
1017                         emit_store_dst(jd, iptr, d);
1018                         break;
1019
1020                 case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
1021                                       /* sx.val.i = constant                             */
1022
1023                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1024                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1025                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1026                                 M_AND_IMM(s1, iptr->sx.val.i, d);
1027                         } else if (iptr->sx.val.i == 0xffff) {
1028                                 M_CZEXT(s1, d);
1029                         } else if (iptr->sx.val.i == 0xffffff) {
1030                                 M_ZAPNOT_IMM(s1, 0x07, d);
1031                         } else {
1032                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1033                                 M_AND(s1, REG_ITMP2, d);
1034                         }
1035                         emit_store_dst(jd, iptr, d);
1036                         break;
1037
1038                 case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
1039                                       /* sx.val.i = constant                             */
1040
1041                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1042                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1043                         if (s1 == d) {
1044                                 M_MOV(s1, REG_ITMP1);
1045                                 s1 = REG_ITMP1;
1046                         }
1047                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1048                                 M_AND_IMM(s1, iptr->sx.val.i, d);
1049                                 M_BGEZ(s1, 3);
1050                                 M_ISUB(REG_ZERO, s1, d);
1051                                 M_AND_IMM(d, iptr->sx.val.i, d);
1052                         } else if (iptr->sx.val.i == 0xffff) {
1053                                 M_CZEXT(s1, d);
1054                                 M_BGEZ(s1, 3);
1055                                 M_ISUB(REG_ZERO, s1, d);
1056                                 M_CZEXT(d, d);
1057                         } else if (iptr->sx.val.i == 0xffffff) {
1058                                 M_ZAPNOT_IMM(s1, 0x07, d);
1059                                 M_BGEZ(s1, 3);
1060                                 M_ISUB(REG_ZERO, s1, d);
1061                                 M_ZAPNOT_IMM(d, 0x07, d);
1062                         } else {
1063                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1064                                 M_AND(s1, REG_ITMP2, d);
1065                                 M_BGEZ(s1, 3);
1066                                 M_ISUB(REG_ZERO, s1, d);
1067                                 M_AND(d, REG_ITMP2, d);
1068                         }
1069                         M_ISUB(REG_ZERO, d, d);
1070                         emit_store_dst(jd, iptr, d);
1071                         break;
1072
1073                 case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
1074                                       /* sx.val.l = constant                             */
1075
1076                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1077                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1078                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1079                                 M_AND_IMM(s1, iptr->sx.val.l, d);
1080                         } else if (iptr->sx.val.l == 0xffffL) {
1081                                 M_CZEXT(s1, d);
1082                         } else if (iptr->sx.val.l == 0xffffffL) {
1083                                 M_ZAPNOT_IMM(s1, 0x07, d);
1084                         } else if (iptr->sx.val.l == 0xffffffffL) {
1085                                 M_IZEXT(s1, d);
1086                         } else if (iptr->sx.val.l == 0xffffffffffL) {
1087                                 M_ZAPNOT_IMM(s1, 0x1f, d);
1088                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
1089                                 M_ZAPNOT_IMM(s1, 0x3f, d);
1090                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
1091                                 M_ZAPNOT_IMM(s1, 0x7f, d);
1092                         } else {
1093                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1094                                 M_AND(s1, REG_ITMP2, d);
1095                         }
1096                         emit_store_dst(jd, iptr, d);
1097                         break;
1098
1099                 case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
1100                                       /* sx.val.l = constant                             */
1101
1102                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1103                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1104                         if (s1 == d) {
1105                                 M_MOV(s1, REG_ITMP1);
1106                                 s1 = REG_ITMP1;
1107                         }
1108                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1109                                 M_AND_IMM(s1, iptr->sx.val.l, d);
1110                                 M_BGEZ(s1, 3);
1111                                 M_LSUB(REG_ZERO, s1, d);
1112                                 M_AND_IMM(d, iptr->sx.val.l, d);
1113                         } else if (iptr->sx.val.l == 0xffffL) {
1114                                 M_CZEXT(s1, d);
1115                                 M_BGEZ(s1, 3);
1116                                 M_LSUB(REG_ZERO, s1, d);
1117                                 M_CZEXT(d, d);
1118                         } else if (iptr->sx.val.l == 0xffffffL) {
1119                                 M_ZAPNOT_IMM(s1, 0x07, d);
1120                                 M_BGEZ(s1, 3);
1121                                 M_LSUB(REG_ZERO, s1, d);
1122                                 M_ZAPNOT_IMM(d, 0x07, d);
1123                         } else if (iptr->sx.val.l == 0xffffffffL) {
1124                                 M_IZEXT(s1, d);
1125                                 M_BGEZ(s1, 3);
1126                                 M_LSUB(REG_ZERO, s1, d);
1127                                 M_IZEXT(d, d);
1128                         } else if (iptr->sx.val.l == 0xffffffffffL) {
1129                                 M_ZAPNOT_IMM(s1, 0x1f, d);
1130                                 M_BGEZ(s1, 3);
1131                                 M_LSUB(REG_ZERO, s1, d);
1132                                 M_ZAPNOT_IMM(d, 0x1f, d);
1133                         } else if (iptr->sx.val.l == 0xffffffffffffL) {
1134                                 M_ZAPNOT_IMM(s1, 0x3f, d);
1135                                 M_BGEZ(s1, 3);
1136                                 M_LSUB(REG_ZERO, s1, d);
1137                                 M_ZAPNOT_IMM(d, 0x3f, d);
1138                         } else if (iptr->sx.val.l == 0xffffffffffffffL) {
1139                                 M_ZAPNOT_IMM(s1, 0x7f, d);
1140                                 M_BGEZ(s1, 3);
1141                                 M_LSUB(REG_ZERO, s1, d);
1142                                 M_ZAPNOT_IMM(d, 0x7f, d);
1143                         } else {
1144                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1145                                 M_AND(s1, REG_ITMP2, d);
1146                                 M_BGEZ(s1, 3);
1147                                 M_LSUB(REG_ZERO, s1, d);
1148                                 M_AND(d, REG_ITMP2, d);
1149                         }
1150                         M_LSUB(REG_ZERO, d, d);
1151                         emit_store_dst(jd, iptr, d);
1152                         break;
1153
1154                 case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1155                 case ICMD_LOR:
1156
1157                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1158                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1159                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1160                         M_OR( s1,s2, d);
1161                         emit_store_dst(jd, iptr, d);
1162                         break;
1163
1164                 case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
1165                                       /* sx.val.i = constant                             */
1166
1167                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1168                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1169                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1170                                 M_OR_IMM(s1, iptr->sx.val.i, d);
1171                         } else {
1172                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1173                                 M_OR(s1, REG_ITMP2, d);
1174                         }
1175                         emit_store_dst(jd, iptr, d);
1176                         break;
1177
1178                 case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
1179                                       /* sx.val.l = constant                             */
1180
1181                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1182                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1183                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1184                                 M_OR_IMM(s1, iptr->sx.val.l, d);
1185                         } else {
1186                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1187                                 M_OR(s1, REG_ITMP2, d);
1188                         }
1189                         emit_store_dst(jd, iptr, d);
1190                         break;
1191
1192                 case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1193                 case ICMD_LXOR:
1194
1195                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1196                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1197                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1198                         M_XOR(s1, s2, d);
1199                         emit_store_dst(jd, iptr, d);
1200                         break;
1201
1202                 case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1203                                       /* sx.val.i = constant                             */
1204
1205                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1206                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1207                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1208                                 M_XOR_IMM(s1, iptr->sx.val.i, d);
1209                         } else {
1210                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1211                                 M_XOR(s1, REG_ITMP2, d);
1212                         }
1213                         emit_store_dst(jd, iptr, d);
1214                         break;
1215
1216                 case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1217                                       /* sx.val.l = constant                             */
1218
1219                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1220                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1221                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1222                                 M_XOR_IMM(s1, iptr->sx.val.l, d);
1223                         } else {
1224                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1225                                 M_XOR(s1, REG_ITMP2, d);
1226                         }
1227                         emit_store_dst(jd, iptr, d);
1228                         break;
1229
1230
1231                 case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
1232
1233                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1234                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1235                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1236                         M_CMPLT(s1, s2, REG_ITMP3);
1237                         M_CMPLT(s2, s1, REG_ITMP1);
1238                         M_LSUB(REG_ITMP1, REG_ITMP3, d);
1239                         emit_store_dst(jd, iptr, d);
1240                         break;
1241
1242
1243                 case ICMD_IINC:       /* ..., value  ==> ..., value + constant        */
1244                                       /* s1.localindex = variable, sx.val.i = constant             */
1245
1246                         var = &(rd->locals[iptr->s1.localindex][TYPE_INT]);
1247                         if (var->flags & INMEMORY) {
1248                                 s1 = REG_ITMP1;
1249                                 M_LLD(s1, REG_SP, var->regoff * 8);
1250                         } else
1251                                 s1 = var->regoff;
1252                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1253                                 M_IADD_IMM(s1, iptr->sx.val.i, s1);
1254                         } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
1255                                 M_ISUB_IMM(s1, (-iptr->sx.val.i), s1);
1256                         } else {
1257                                 M_LDA (s1, s1, iptr->sx.val.i);
1258                                 M_IADD(s1, REG_ZERO, s1);
1259                         }
1260                         if (var->flags & INMEMORY)
1261                                 M_LST(s1, REG_SP, var->regoff * 8);
1262                         break;
1263
1264
1265                 /* floating operations ************************************************/
1266
1267                 case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
1268
1269                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1270                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1271                         M_FMOVN(s1, d);
1272                         emit_store_dst(jd, iptr, d);
1273                         break;
1274
1275                 case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
1276
1277                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1278                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1279                         M_FMOVN(s1, d);
1280                         emit_store_dst(jd, iptr, d);
1281                         break;
1282
1283                 case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1284
1285                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1286                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1287                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1288                         if (opt_noieee) {
1289                                 M_FADD(s1, s2, d);
1290                         } else {
1291                                 if (d == s1 || d == s2) {
1292                                         M_FADDS(s1, s2, REG_FTMP3);
1293                                         M_TRAPB;
1294                                         M_FMOV(REG_FTMP3, d);
1295                                 } else {
1296                                         M_FADDS(s1, s2, d);
1297                                         M_TRAPB;
1298                                 }
1299                         }
1300                         emit_store_dst(jd, iptr, d);
1301                         break;
1302
1303                 case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1304
1305                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1306                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1307                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1308                         if (opt_noieee) {
1309                                 M_DADD(s1, s2, d);
1310                         } else {
1311                                 if (d == s1 || d == s2) {
1312                                         M_DADDS(s1, s2, REG_FTMP3);
1313                                         M_TRAPB;
1314                                         M_FMOV(REG_FTMP3, d);
1315                                 } else {
1316                                         M_DADDS(s1, s2, d);
1317                                         M_TRAPB;
1318                                 }
1319                         }
1320                         emit_store_dst(jd, iptr, d);
1321                         break;
1322
1323                 case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1324
1325                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1326                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1327                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1328                         if (opt_noieee) {
1329                                 M_FSUB(s1, s2, d);
1330                         } else {
1331                                 if (d == s1 || d == s2) {
1332                                         M_FSUBS(s1, s2, REG_FTMP3);
1333                                         M_TRAPB;
1334                                         M_FMOV(REG_FTMP3, d);
1335                                 } else {
1336                                         M_FSUBS(s1, s2, d);
1337                                         M_TRAPB;
1338                                 }
1339                         }
1340                         emit_store_dst(jd, iptr, d);
1341                         break;
1342
1343                 case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1344
1345                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1346                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1347                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1348                         if (opt_noieee) {
1349                                 M_DSUB(s1, s2, d);
1350                         } else {
1351                                 if (d == s1 || d == s2) {
1352                                         M_DSUBS(s1, s2, REG_FTMP3);
1353                                         M_TRAPB;
1354                                         M_FMOV(REG_FTMP3, d);
1355                                 } else {
1356                                         M_DSUBS(s1, s2, d);
1357                                         M_TRAPB;
1358                                 }
1359                         }
1360                         emit_store_dst(jd, iptr, d);
1361                         break;
1362
1363                 case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
1364
1365                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1366                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1367                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1368                         if (opt_noieee) {
1369                                 M_FMUL(s1, s2, d);
1370                         } else {
1371                                 if (d == s1 || d == s2) {
1372                                         M_FMULS(s1, s2, REG_FTMP3);
1373                                         M_TRAPB;
1374                                         M_FMOV(REG_FTMP3, d);
1375                                 } else {
1376                                         M_FMULS(s1, s2, d);
1377                                         M_TRAPB;
1378                                 }
1379                         }
1380                         emit_store_dst(jd, iptr, d);
1381                         break;
1382
1383                 case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
1384
1385                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1386                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1387                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1388                         if (opt_noieee) {
1389                                 M_DMUL(s1, s2, d);
1390                         } else {
1391                                 if (d == s1 || d == s2) {
1392                                         M_DMULS(s1, s2, REG_FTMP3);
1393                                         M_TRAPB;
1394                                         M_FMOV(REG_FTMP3, d);
1395                                 } else {
1396                                         M_DMULS(s1, s2, d);
1397                                         M_TRAPB;
1398                                 }
1399                         }
1400                         emit_store_dst(jd, iptr, d);
1401                         break;
1402
1403                 case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1404
1405                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1406                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1407                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1408                         if (opt_noieee) {
1409                                 M_FDIV(s1, s2, d);
1410                         } else {
1411                                 if (d == s1 || d == s2) {
1412                                         M_FDIVS(s1, s2, REG_FTMP3);
1413                                         M_TRAPB;
1414                                         M_FMOV(REG_FTMP3, d);
1415                                 } else {
1416                                         M_FDIVS(s1, s2, d);
1417                                         M_TRAPB;
1418                                 }
1419                         }
1420                         emit_store_dst(jd, iptr, d);
1421                         break;
1422
1423                 case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1424
1425                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1426                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1427                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1428                         if (opt_noieee) {
1429                                 M_DDIV(s1, s2, d);
1430                         } else {
1431                                 if (d == s1 || d == s2) {
1432                                         M_DDIVS(s1, s2, REG_FTMP3);
1433                                         M_TRAPB;
1434                                         M_FMOV(REG_FTMP3, d);
1435                                 } else {
1436                                         M_DDIVS(s1, s2, d);
1437                                         M_TRAPB;
1438                                 }
1439                         }
1440                         emit_store_dst(jd, iptr, d);
1441                         break;
1442
1443                 case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
1444                 case ICMD_L2F:
1445                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1446                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1447                         disp = dseg_add_unique_double(cd, 0.0);
1448                         M_LST(s1, REG_PV, disp);
1449                         M_DLD(d, REG_PV, disp);
1450                         M_CVTLF(d, d);
1451                         emit_store_dst(jd, iptr, d);
1452                         break;
1453
1454                 case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
1455                 case ICMD_L2D:
1456                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1457                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1458                         disp = dseg_add_unique_double(cd, 0.0);
1459                         M_LST(s1, REG_PV, disp);
1460                         M_DLD(d, REG_PV, disp);
1461                         M_CVTLD(d, d);
1462                         emit_store_dst(jd, iptr, d);
1463                         break;
1464
1465                 case ICMD_F2I:       /* ..., value  ==> ..., (int) value              */
1466                 case ICMD_D2I:
1467                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1468                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1469                         disp = dseg_add_unique_double(cd, 0.0);
1470                         M_CVTDL_C(s1, REG_FTMP2);
1471                         M_CVTLI(REG_FTMP2, REG_FTMP3);
1472                         M_DST(REG_FTMP3, REG_PV, disp);
1473                         M_ILD(d, REG_PV, disp);
1474                         emit_store_dst(jd, iptr, d);
1475                         break;
1476
1477                 case ICMD_F2L:       /* ..., value  ==> ..., (long) value             */
1478                 case ICMD_D2L:
1479                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1480                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1481                         disp = dseg_add_unique_double(cd, 0.0);
1482                         M_CVTDL_C(s1, REG_FTMP2);
1483                         M_DST(REG_FTMP2, REG_PV, disp);
1484                         M_LLD(d, REG_PV, disp);
1485                         emit_store_dst(jd, iptr, d);
1486                         break;
1487
1488                 case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
1489
1490                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1491                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1492                         M_CVTFDS(s1, d);
1493                         M_TRAPB;
1494                         emit_store_dst(jd, iptr, d);
1495                         break;
1496
1497                 case ICMD_D2F:       /* ..., value  ==> ..., (float) value            */
1498
1499                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1500                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1501                         if (opt_noieee) {
1502                                 M_CVTDF(s1, d);
1503                         } else {
1504                                 M_CVTDFS(s1, d);
1505                                 M_TRAPB;
1506                         }
1507                         emit_store_dst(jd, iptr, d);
1508                         break;
1509
1510                 case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1511                 case ICMD_DCMPL:
1512                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1513                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1514                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1515                         if (opt_noieee) {
1516                                 M_LSUB_IMM(REG_ZERO, 1, d);
1517                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1518                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1519                                 M_CLR   (d);
1520                                 M_FCMPLT(s2, s1, REG_FTMP3);
1521                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1522                                 M_LADD_IMM(REG_ZERO, 1, d);
1523                         } else {
1524                                 M_LSUB_IMM(REG_ZERO, 1, d);
1525                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1526                                 M_TRAPB;
1527                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instructions */
1528                                 M_CLR   (d);
1529                                 M_FCMPLTS(s2, s1, REG_FTMP3);
1530                                 M_TRAPB;
1531                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1532                                 M_LADD_IMM(REG_ZERO, 1, d);
1533                         }
1534                         emit_store_dst(jd, iptr, d);
1535                         break;
1536
1537                 case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1538                 case ICMD_DCMPG:
1539                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1540                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1541                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1542                         if (opt_noieee) {
1543                                 M_LADD_IMM(REG_ZERO, 1, d);
1544                                 M_FCMPEQ(s1, s2, REG_FTMP3);
1545                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1546                                 M_CLR   (d);
1547                                 M_FCMPLT(s1, s2, REG_FTMP3);
1548                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1549                                 M_LSUB_IMM(REG_ZERO, 1, d);
1550                         } else {
1551                                 M_LADD_IMM(REG_ZERO, 1, d);
1552                                 M_FCMPEQS(s1, s2, REG_FTMP3);
1553                                 M_TRAPB;
1554                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1555                                 M_CLR   (d);
1556                                 M_FCMPLTS(s1, s2, REG_FTMP3);
1557                                 M_TRAPB;
1558                                 M_FBEQZ (REG_FTMP3, 1);        /* jump over next instruction  */
1559                                 M_LSUB_IMM(REG_ZERO, 1, d);
1560                         }
1561                         emit_store_dst(jd, iptr, d);
1562                         break;
1563
1564
1565                 /* memory operations **************************************************/
1566
1567                 case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
1568
1569                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1570                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1571                         gen_nullptr_check(s1);
1572                         M_ILD(d, s1, OFFSET(java_arrayheader, size));
1573                         emit_store_dst(jd, iptr, d);
1574                         break;
1575
1576                 case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
1577
1578                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1579                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1580                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1581                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1582                                 gen_nullptr_check(s1);
1583                                 gen_bound_check;
1584                         }
1585                         if (has_ext_instr_set) {
1586                                 M_LADD   (s2, s1, REG_ITMP1);
1587                                 M_BLDU   (d, REG_ITMP1, OFFSET (java_bytearray, data[0]));
1588                                 M_BSEXT  (d, d);
1589                         } else {
1590                                 M_LADD(s2, s1, REG_ITMP1);
1591                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1592                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0])+1);
1593                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1594                                 M_SRA_IMM(d, 56, d);
1595                         }
1596                         emit_store_dst(jd, iptr, d);
1597                         break;
1598
1599                 case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
1600
1601                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1602                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1603                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1604                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1605                                 gen_nullptr_check(s1);
1606                                 gen_bound_check;
1607                         }
1608                         if (has_ext_instr_set) {
1609                                 M_LADD(s2, s1, REG_ITMP1);
1610                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1611                                 M_SLDU(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
1612                         } else {
1613                                 M_LADD (s2, s1, REG_ITMP1);
1614                                 M_LADD (s2, REG_ITMP1, REG_ITMP1);
1615                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1616                                 M_LDA  (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1617                                 M_EXTWL(REG_ITMP2, REG_ITMP1, d);
1618                         }
1619                         emit_store_dst(jd, iptr, d);
1620                         break;
1621
1622                 case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
1623
1624                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1625                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1626                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1627                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1628                                 gen_nullptr_check(s1);
1629                                 gen_bound_check;
1630                         }
1631                         if (has_ext_instr_set) {
1632                                 M_LADD(s2, s1, REG_ITMP1);
1633                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1634                                 M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray, data[0]));
1635                                 M_SSEXT(d, d);
1636                         } else {
1637                                 M_LADD(s2, s1, REG_ITMP1);
1638                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1639                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1640                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0])+2);
1641                                 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1642                                 M_SRA_IMM(d, 48, d);
1643                         }
1644                         emit_store_dst(jd, iptr, d);
1645                         break;
1646
1647                 case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
1648
1649                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1650                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1651                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1652                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1653                                 gen_nullptr_check(s1);
1654                                 gen_bound_check;
1655                         }
1656                         M_S4ADDQ(s2, s1, REG_ITMP1);
1657                         M_ILD(d, REG_ITMP1, OFFSET(java_intarray, data[0]));
1658                         emit_store_dst(jd, iptr, d);
1659                         break;
1660
1661                 case ICMD_LALOAD:     /* ..., arrayref, index  ==> ..., value         */
1662
1663                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1664                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1665                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1666                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1667                                 gen_nullptr_check(s1);
1668                                 gen_bound_check;
1669                         }
1670                         M_S8ADDQ(s2, s1, REG_ITMP1);
1671                         M_LLD(d, REG_ITMP1, OFFSET(java_longarray, data[0]));
1672                         emit_store_dst(jd, iptr, d);
1673                         break;
1674
1675                 case ICMD_FALOAD:     /* ..., arrayref, index  ==> ..., value         */
1676
1677                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1678                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1679                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1680                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1681                                 gen_nullptr_check(s1);
1682                                 gen_bound_check;
1683                         }
1684                         M_S4ADDQ(s2, s1, REG_ITMP1);
1685                         M_FLD(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
1686                         emit_store_dst(jd, iptr, d);
1687                         break;
1688
1689                 case ICMD_DALOAD:     /* ..., arrayref, index  ==> ..., value         */
1690
1691                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1692                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1693                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1694                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1695                                 gen_nullptr_check(s1);
1696                                 gen_bound_check;
1697                         }
1698                         M_S8ADDQ(s2, s1, REG_ITMP1);
1699                         M_DLD(d, REG_ITMP1, OFFSET(java_doublearray, data[0]));
1700                         emit_store_dst(jd, iptr, d);
1701                         break;
1702
1703                 case ICMD_AALOAD:     /* ..., arrayref, index  ==> ..., value         */
1704
1705                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1706                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1707                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1708                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1709                                 gen_nullptr_check(s1);
1710                                 gen_bound_check;
1711                         }
1712                         M_SAADDQ(s2, s1, REG_ITMP1);
1713                         M_ALD(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1714                         emit_store_dst(jd, iptr, d);
1715                         break;
1716
1717
1718                 case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
1719
1720                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1721                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1722                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1723                                 gen_nullptr_check(s1);
1724                                 gen_bound_check;
1725                         }
1726                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1727                         if (has_ext_instr_set) {
1728                                 M_LADD(s2, s1, REG_ITMP1);
1729                                 M_BST(s3, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1730                         } else {
1731                                 M_LADD(s2, s1, REG_ITMP1);
1732                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1733                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1734                                 M_INSBL(s3, REG_ITMP1, REG_ITMP3);
1735                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1736                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1737                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1738                         }
1739                         break;
1740
1741                 case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
1742
1743                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1744                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1745                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1746                                 gen_nullptr_check(s1);
1747                                 gen_bound_check;
1748                         }
1749                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1750                         if (has_ext_instr_set) {
1751                                 M_LADD(s2, s1, REG_ITMP1);
1752                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1753                                 M_SST(s3, REG_ITMP1, OFFSET(java_chararray, data[0]));
1754                         } else {
1755                                 M_LADD(s2, s1, REG_ITMP1);
1756                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1757                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1758                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1759                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1760                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1761                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1762                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1763                         }
1764                         break;
1765
1766                 case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
1767
1768                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1769                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1770                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1771                                 gen_nullptr_check(s1);
1772                                 gen_bound_check;
1773                         }
1774                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1775                         if (has_ext_instr_set) {
1776                                 M_LADD(s2, s1, REG_ITMP1);
1777                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1778                                 M_SST(s3, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1779                         } else {
1780                                 M_LADD(s2, s1, REG_ITMP1);
1781                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1782                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1783                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1784                                 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1785                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1786                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1787                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1788                         }
1789                         break;
1790
1791                 case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
1792
1793                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1794                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1795                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1796                                 gen_nullptr_check(s1);
1797                                 gen_bound_check;
1798                         }
1799                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1800                         M_S4ADDQ(s2, s1, REG_ITMP1);
1801                         M_IST(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
1802                         break;
1803
1804                 case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
1805
1806                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1807                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1808                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1809                                 gen_nullptr_check(s1);
1810                                 gen_bound_check;
1811                         }
1812                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1813                         M_S8ADDQ(s2, s1, REG_ITMP1);
1814                         M_LST(s3, REG_ITMP1, OFFSET(java_longarray, data[0]));
1815                         break;
1816
1817                 case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
1818
1819                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1820                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1821                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1822                                 gen_nullptr_check(s1);
1823                                 gen_bound_check;
1824                         }
1825                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1826                         M_S4ADDQ(s2, s1, REG_ITMP1);
1827                         M_FST(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
1828                         break;
1829
1830                 case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
1831
1832                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1833                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1834                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1835                                 gen_nullptr_check(s1);
1836                                 gen_bound_check;
1837                         }
1838                         s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1839                         M_S8ADDQ(s2, s1, REG_ITMP1);
1840                         M_DST(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
1841                         break;
1842
1843                 case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
1844
1845                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1846                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1847                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1848                                 gen_nullptr_check(s1);
1849                                 gen_bound_check;
1850                         }
1851                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1852
1853                         M_MOV(s1, rd->argintregs[0]);
1854                         M_MOV(s3, rd->argintregs[1]);
1855                         disp = dseg_add_functionptr(cd, BUILTIN_canstore);
1856                         M_ALD(REG_PV, REG_PV, disp);
1857                         M_JSR(REG_RA, REG_PV);
1858                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
1859                         M_LDA(REG_PV, REG_RA, -disp);
1860
1861                         M_BEQZ(REG_RESULT, 0);
1862                         codegen_add_arraystoreexception_ref(cd);
1863
1864                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1865                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1866                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1867                         M_SAADDQ(s2, s1, REG_ITMP1);
1868                         M_AST(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1869                         break;
1870
1871
1872                 case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
1873
1874                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1875                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1876                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1877                                 gen_nullptr_check(s1);
1878                                 gen_bound_check;
1879                         }
1880                         M_S4ADDQ(s2, s1, REG_ITMP1);
1881                         M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray, data[0]));
1882                         break;
1883
1884                 case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
1885
1886                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1887                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1888                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1889                                 gen_nullptr_check(s1);
1890                                 gen_bound_check;
1891                         }
1892                         M_S8ADDQ(s2, s1, REG_ITMP1);
1893                         M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray, data[0]));
1894                         break;
1895
1896                 case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
1897
1898                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1899                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1900                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1901                                 gen_nullptr_check(s1);
1902                                 gen_bound_check;
1903                         }
1904                         M_SAADDQ(s2, s1, REG_ITMP1);
1905                         M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray, data[0]));
1906                         break;
1907
1908                 case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
1909
1910                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1911                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1912                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1913                                 gen_nullptr_check(s1);
1914                                 gen_bound_check;
1915                         }
1916                         if (has_ext_instr_set) {
1917                                 M_LADD(s2, s1, REG_ITMP1);
1918                                 M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1919
1920                         } else {
1921                                 M_LADD(s2, s1, REG_ITMP1);
1922                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1923                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray, data[0]));
1924                                 M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1925                                 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1926                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1927                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1928                         }
1929                         break;
1930
1931                 case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
1932
1933                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1934                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1935                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1936                                 gen_nullptr_check(s1);
1937                                 gen_bound_check;
1938                         }
1939                         if (has_ext_instr_set) {
1940                                 M_LADD(s2, s1, REG_ITMP1);
1941                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1942                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray, data[0]));
1943
1944                         } else {
1945                                 M_LADD(s2, s1, REG_ITMP1);
1946                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1947                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray, data[0]));
1948                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray, data[0]));
1949                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1950                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1951                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1952                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1953                         }
1954                         break;
1955
1956                 case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
1957
1958                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1959                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1960                         if (INSTRUCTION_MUST_CHECK(iptr)) {
1961                                 gen_nullptr_check(s1);
1962                                 gen_bound_check;
1963                         }
1964                         if (has_ext_instr_set) {
1965                                 M_LADD(s2, s1, REG_ITMP1);
1966                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1967                                 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1968
1969                         } else {
1970                                 M_LADD(s2, s1, REG_ITMP1);
1971                                 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1972                                 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1973                                 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray, data[0]));
1974                                 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1975                                 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1976                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1977                                 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1978                         }
1979                         break;
1980
1981
1982                 case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
1983
1984                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1985                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
1986
1987                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1988
1989                                 disp = dseg_add_unique_address(cd, uf);
1990
1991                                 codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
1992
1993                                 if (opt_showdisassemble)
1994                                         M_NOP;
1995                         }
1996                         else {
1997                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
1998
1999                                 fieldtype = fi->type;
2000                                 disp = dseg_add_address(cd, &(fi->value));
2001
2002                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
2003                                         codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
2004                                                                                 0);
2005
2006                                         if (opt_showdisassemble)
2007                                                 M_NOP;
2008                                 }
2009                         }
2010
2011                         M_ALD(REG_ITMP1, REG_PV, disp);
2012                         switch (fieldtype) {
2013                         case TYPE_INT:
2014                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2015                                 M_ILD(d, REG_ITMP1, 0);
2016                                 break;
2017                         case TYPE_LNG:
2018                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2019                                 M_LLD(d, REG_ITMP1, 0);
2020                                 break;
2021                         case TYPE_ADR:
2022                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2023                                 M_ALD(d, REG_ITMP1, 0);
2024                                 break;
2025                         case TYPE_FLT:
2026                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2027                                 M_FLD(d, REG_ITMP1, 0);
2028                                 break;
2029                         case TYPE_DBL:
2030                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2031                                 M_DLD(d, REG_ITMP1, 0);
2032                                 break;
2033                         }
2034                         emit_store_dst(jd, iptr, d);
2035                         break;
2036
2037                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
2038
2039                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2040                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2041
2042                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2043
2044                                 disp = dseg_add_unique_address(cd, uf);
2045
2046                                 codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
2047
2048                                 if (opt_showdisassemble)
2049                                         M_NOP;
2050                         }
2051                         else {
2052                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2053
2054                                 fieldtype = fi->type;
2055                                 disp = dseg_add_address(cd, &(fi->value));
2056
2057                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
2058                                         codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
2059                                                                                 0);
2060
2061                                         if (opt_showdisassemble)
2062                                                 M_NOP;
2063                                 }
2064                         }
2065
2066                         M_ALD(REG_ITMP1, REG_PV, disp);
2067                         switch (fieldtype) {
2068                         case TYPE_INT:
2069                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2070                                 M_IST(s1, REG_ITMP1, 0);
2071                                 break;
2072                         case TYPE_LNG:
2073                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2074                                 M_LST(s1, REG_ITMP1, 0);
2075                                 break;
2076                         case TYPE_ADR:
2077                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2078                                 M_AST(s1, REG_ITMP1, 0);
2079                                 break;
2080                         case TYPE_FLT:
2081                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
2082                                 M_FST(s1, REG_ITMP1, 0);
2083                                 break;
2084                         case TYPE_DBL:
2085                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
2086                                 M_DST(s1, REG_ITMP1, 0);
2087                                 break;
2088                         }
2089                         break;
2090
2091                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
2092                                           /* val = value (in current instruction)     */
2093                                           /* following NOP)                           */
2094
2095                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2096                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2097
2098                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2099
2100                                 disp = dseg_add_unique_address(cd, uf);
2101
2102                                 codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
2103
2104                                 if (opt_showdisassemble)
2105                                         M_NOP;
2106                         }
2107                         else {
2108                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2109
2110                                 fieldtype = fi->type;
2111                                 disp = dseg_add_address(cd, &(fi->value));
2112
2113                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
2114                                         codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
2115                                                                                 0);
2116
2117                                         if (opt_showdisassemble)
2118                                                 M_NOP;
2119                                 }
2120                         }
2121
2122                         M_ALD(REG_ITMP1, REG_PV, disp);
2123                         switch (fieldtype) {
2124                         case TYPE_INT:
2125                                 M_IST(REG_ZERO, REG_ITMP1, 0);
2126                                 break;
2127                         case TYPE_LNG:
2128                                 M_LST(REG_ZERO, REG_ITMP1, 0);
2129                                 break;
2130                         case TYPE_ADR:
2131                                 M_AST(REG_ZERO, REG_ITMP1, 0);
2132                                 break;
2133                         case TYPE_FLT:
2134                                 M_FST(REG_ZERO, REG_ITMP1, 0);
2135                                 break;
2136                         case TYPE_DBL:
2137                                 M_DST(REG_ZERO, REG_ITMP1, 0);
2138                                 break;
2139                         }
2140                         break;
2141
2142
2143                 case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
2144
2145                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2146                         gen_nullptr_check(s1);
2147
2148                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2149                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2150
2151                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2152
2153                                 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
2154
2155                                 if (opt_showdisassemble)
2156                                         M_NOP;
2157
2158                                 disp = 0;
2159                         }
2160                         else {
2161                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2162
2163                                 fieldtype = fi->type;
2164                                 disp = fi->offset;
2165                         }
2166
2167                         switch (fieldtype) {
2168                         case TYPE_INT:
2169                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2170                                 M_ILD(d, s1, disp);
2171                                 break;
2172                         case TYPE_LNG:
2173                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2174                                 M_LLD(d, s1, disp);
2175                                 break;
2176                         case TYPE_ADR:
2177                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2178                                 M_ALD(d, s1, disp);
2179                                 break;
2180                         case TYPE_FLT:
2181                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2182                                 M_FLD(d, s1, disp);
2183                                 break;
2184                         case TYPE_DBL:
2185                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2186                                 M_DLD(d, s1, disp);
2187                                 break;
2188                         }
2189                         emit_store_dst(jd, iptr, d);
2190                         break;
2191
2192                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
2193
2194                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2195                         gen_nullptr_check(s1);
2196
2197                         if (!IS_FLT_DBL_TYPE(fieldtype)) {
2198                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2199                         } else {
2200                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
2201                         }
2202
2203                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2204                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2205
2206                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2207
2208                                 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
2209
2210                                 if (opt_showdisassemble)
2211                                         M_NOP;
2212
2213                                 disp = 0;
2214                         }
2215                         else {
2216                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2217
2218                                 fieldtype = fi->type;
2219                                 disp = fi->offset;
2220                         }
2221
2222                         switch (fieldtype) {
2223                         case TYPE_INT:
2224                                 M_IST(s2, s1, disp);
2225                                 break;
2226                         case TYPE_LNG:
2227                                 M_LST(s2, s1, disp);
2228                                 break;
2229                         case TYPE_ADR:
2230                                 M_AST(s2, s1, disp);
2231                                 break;
2232                         case TYPE_FLT:
2233                                 M_FST(s2, s1, disp);
2234                                 break;
2235                         case TYPE_DBL:
2236                                 M_DST(s2, s1, disp);
2237                                 break;
2238                         }
2239                         break;
2240
2241                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
2242                                           /* val = value (in current instruction)     */
2243                                           /* following NOP)                           */
2244
2245                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2246                         gen_nullptr_check(s1);
2247
2248                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2249                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2250
2251                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2252
2253                                 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
2254
2255                                 if (opt_showdisassemble)
2256                                         M_NOP;
2257
2258                                 disp = 0;
2259                         }
2260                         else {
2261                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2262
2263                                 fieldtype = fi->type;
2264                                 disp = fi->offset;
2265                         }
2266
2267                         switch (fieldtype) {
2268                         case TYPE_INT:
2269                                 M_IST(REG_ZERO, s1, disp);
2270                                 break;
2271                         case TYPE_LNG:
2272                                 M_LST(REG_ZERO, s1, disp);
2273                                 break;
2274                         case TYPE_ADR:
2275                                 M_AST(REG_ZERO, s1, disp);
2276                                 break;
2277                         case TYPE_FLT:
2278                                 M_FST(REG_ZERO, s1, disp);
2279                                 break;
2280                         case TYPE_DBL:
2281                                 M_DST(REG_ZERO, s1, disp);
2282                                 break;
2283                         }
2284                         break;
2285
2286
2287                 /* branch operations **************************************************/
2288
2289                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2290
2291                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2292                         M_INTMOVE(s1, REG_ITMP1_XPTR);
2293
2294 #ifdef ENABLE_VERIFIER
2295                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2296                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2297
2298                                 codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
2299
2300                                 if (opt_showdisassemble)
2301                                         M_NOP;
2302                         }
2303 #endif /* ENABLE_VERIFIER */
2304
2305                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2306                         M_ALD(REG_ITMP2, REG_PV, disp);
2307                         M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2308                         M_NOP;              /* nop ensures that XPC is less than the end */
2309                                             /* of basic block                            */
2310                         ALIGNCODENOP;
2311                         break;
2312
2313                 case ICMD_GOTO:         /* ... ==> ...                                */
2314                         M_BR(0);
2315                         codegen_addreference(cd, iptr->dst.block);
2316                         ALIGNCODENOP;
2317                         break;
2318
2319                 case ICMD_JSR:          /* ... ==> ...                                */
2320
2321                         M_BSR(REG_ITMP1, 0);
2322                         codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
2323                         break;
2324
2325                 case ICMD_RET:          /* ... ==> ...                                */
2326                                         /* s1.localindex = local variable                       */
2327
2328                         var = &(rd->locals[iptr->s1.localindex][TYPE_ADR]);
2329                         if (var->flags & INMEMORY) {
2330                                 M_ALD(REG_ITMP1, REG_SP, 8 * var->regoff);
2331                                 M_RET(REG_ZERO, REG_ITMP1);
2332                                 }
2333                         else
2334                                 M_RET(REG_ZERO, var->regoff);
2335                         ALIGNCODENOP;
2336                         break;
2337
2338                 case ICMD_IFNULL:       /* ..., value ==> ...                         */
2339
2340                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2341                         M_BEQZ(s1, 0);
2342                         codegen_addreference(cd, iptr->dst.block);
2343                         break;
2344
2345                 case ICMD_IFNONNULL:    /* ..., value ==> ...                         */
2346
2347                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2348                         M_BNEZ(s1, 0);
2349                         codegen_addreference(cd, iptr->dst.block);
2350                         break;
2351
2352                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2353
2354                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2355                         if (iptr->sx.val.i == 0) {
2356                                 M_BEQZ(s1, 0);
2357                                 }
2358                         else {
2359                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2360                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2361                                         }
2362                                 else {
2363                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2364                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2365                                         }
2366                                 M_BNEZ(REG_ITMP1, 0);
2367                                 }
2368                         codegen_addreference(cd, iptr->dst.block);
2369                         break;
2370
2371                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2372
2373                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2374                         if (iptr->sx.val.i == 0) {
2375                                 M_BLTZ(s1, 0);
2376                                 }
2377                         else {
2378                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2379                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2380                                         }
2381                                 else {
2382                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2383                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2384                                         }
2385                                 M_BNEZ(REG_ITMP1, 0);
2386                                 }
2387                         codegen_addreference(cd, iptr->dst.block);
2388                         break;
2389
2390                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2391
2392                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2393                         if (iptr->sx.val.i == 0) {
2394                                 M_BLEZ(s1, 0);
2395                                 }
2396                         else {
2397                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2398                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2399                                         }
2400                                 else {
2401                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2402                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2403                                         }
2404                                 M_BNEZ(REG_ITMP1, 0);
2405                                 }
2406                         codegen_addreference(cd, iptr->dst.block);
2407                         break;
2408
2409                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2410
2411                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2412                         if (iptr->sx.val.i == 0) {
2413                                 M_BNEZ(s1, 0);
2414                                 }
2415                         else {
2416                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2417                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2418                                         }
2419                                 else {
2420                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2421                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2422                                         }
2423                                 M_BEQZ(REG_ITMP1, 0);
2424                                 }
2425                         codegen_addreference(cd, iptr->dst.block);
2426                         break;
2427
2428                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2429
2430                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2431                         if (iptr->sx.val.i == 0) {
2432                                 M_BGTZ(s1, 0);
2433                                 }
2434                         else {
2435                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2436                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2437                                         }
2438                                 else {
2439                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2440                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2441                                         }
2442                                 M_BEQZ(REG_ITMP1, 0);
2443                                 }
2444                         codegen_addreference(cd, iptr->dst.block);
2445                         break;
2446
2447                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2448
2449                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2450                         if (iptr->sx.val.i == 0) {
2451                                 M_BGEZ(s1, 0);
2452                                 }
2453                         else {
2454                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2455                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2456                                         }
2457                                 else {
2458                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2459                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2460                                         }
2461                                 M_BEQZ(REG_ITMP1, 0);
2462                                 }
2463                         codegen_addreference(cd, iptr->dst.block);
2464                         break;
2465
2466                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2467
2468                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2469                         if (iptr->sx.val.l == 0) {
2470                                 M_BEQZ(s1, 0);
2471                                 }
2472                         else {
2473                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2474                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2475                                         }
2476                                 else {
2477                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2478                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2479                                         }
2480                                 M_BNEZ(REG_ITMP1, 0);
2481                                 }
2482                         codegen_addreference(cd, iptr->dst.block);
2483                         break;
2484
2485                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2486
2487                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2488                         if (iptr->sx.val.l == 0) {
2489                                 M_BLTZ(s1, 0);
2490                                 }
2491                         else {
2492                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2493                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2494                                         }
2495                                 else {
2496                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2497                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2498                                         }
2499                                 M_BNEZ(REG_ITMP1, 0);
2500                                 }
2501                         codegen_addreference(cd, iptr->dst.block);
2502                         break;
2503
2504                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2505
2506                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2507                         if (iptr->sx.val.l == 0) {
2508                                 M_BLEZ(s1, 0);
2509                                 }
2510                         else {
2511                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2512                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2513                                         }
2514                                 else {
2515                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2516                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2517                                         }
2518                                 M_BNEZ(REG_ITMP1, 0);
2519                                 }
2520                         codegen_addreference(cd, iptr->dst.block);
2521                         break;
2522
2523                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2524
2525                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2526                         if (iptr->sx.val.l == 0) {
2527                                 M_BNEZ(s1, 0);
2528                                 }
2529                         else {
2530                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2531                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2532                                         }
2533                                 else {
2534                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2535                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2536                                         }
2537                                 M_BEQZ(REG_ITMP1, 0);
2538                                 }
2539                         codegen_addreference(cd, iptr->dst.block);
2540                         break;
2541
2542                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2543
2544                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2545                         if (iptr->sx.val.l == 0) {
2546                                 M_BGTZ(s1, 0);
2547                                 }
2548                         else {
2549                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2550                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2551                                         }
2552                                 else {
2553                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2554                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2555                                         }
2556                                 M_BEQZ(REG_ITMP1, 0);
2557                                 }
2558                         codegen_addreference(cd, iptr->dst.block);
2559                         break;
2560
2561                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2562
2563                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2564                         if (iptr->sx.val.l == 0) {
2565                                 M_BGEZ(s1, 0);
2566                                 }
2567                         else {
2568                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2569                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2570                                         }
2571                                 else {
2572                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2573                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2574                                         }
2575                                 M_BEQZ(REG_ITMP1, 0);
2576                                 }
2577                         codegen_addreference(cd, iptr->dst.block);
2578                         break;
2579
2580                 case ICMD_IF_ICMPEQ:    /* ..., value, value ==> ...                  */
2581                 case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
2582                 case ICMD_IF_ACMPEQ:
2583
2584                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2585                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2586                         M_CMPEQ(s1, s2, REG_ITMP1);
2587                         M_BNEZ(REG_ITMP1, 0);
2588                         codegen_addreference(cd, iptr->dst.block);
2589                         break;
2590
2591                 case ICMD_IF_ICMPNE:    /* ..., value, value ==> ...                  */
2592                 case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
2593                 case ICMD_IF_ACMPNE:
2594
2595                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2596                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2597                         M_CMPEQ(s1, s2, REG_ITMP1);
2598                         M_BEQZ(REG_ITMP1, 0);
2599                         codegen_addreference(cd, iptr->dst.block);
2600                         break;
2601
2602                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2603                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2604
2605                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2606                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2607                         M_CMPLT(s1, s2, REG_ITMP1);
2608                         M_BNEZ(REG_ITMP1, 0);
2609                         codegen_addreference(cd, iptr->dst.block);
2610                         break;
2611
2612                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2613                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2614
2615                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2616                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2617                         M_CMPLE(s1, s2, REG_ITMP1);
2618                         M_BEQZ(REG_ITMP1, 0);
2619                         codegen_addreference(cd, iptr->dst.block);
2620                         break;
2621
2622                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2623                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2624
2625                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2626                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2627                         M_CMPLE(s1, s2, REG_ITMP1);
2628                         M_BNEZ(REG_ITMP1, 0);
2629                         codegen_addreference(cd, iptr->dst.block);
2630                         break;
2631
2632                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2633                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2634
2635                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2636                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2637                         M_CMPLT(s1, s2, REG_ITMP1);
2638                         M_BEQZ(REG_ITMP1, 0);
2639                         codegen_addreference(cd, iptr->dst.block);
2640                         break;
2641
2642
2643                 case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
2644                 case ICMD_LRETURN:
2645
2646                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2647                         M_INTMOVE(s1, REG_RESULT);
2648                         goto nowperformreturn;
2649
2650                 case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
2651
2652                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2653                         M_INTMOVE(s1, REG_RESULT);
2654
2655 #ifdef ENABLE_VERIFIER
2656                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2657                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2658
2659                                 codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
2660
2661                                 if (opt_showdisassemble)
2662                                         M_NOP;
2663                         }
2664 #endif /* ENABLE_VERIFIER */
2665                         goto nowperformreturn;
2666
2667                 case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
2668                 case ICMD_DRETURN:
2669
2670                         s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2671                         M_FLTMOVE(s1, REG_FRESULT);
2672                         goto nowperformreturn;
2673
2674                 case ICMD_RETURN:       /* ...  ==> ...                               */
2675
2676 nowperformreturn:
2677                         {
2678                         s4 i, p;
2679
2680                         p = cd->stackframesize;
2681
2682                         /* call trace function */
2683
2684 #if !defined(NDEBUG)
2685                         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2686                                 emit_verbosecall_exit(jd);
2687 #endif
2688
2689 #if defined(ENABLE_THREADS)
2690                         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2691                                 M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 8);
2692
2693                                 switch (iptr->opc) {
2694                                 case ICMD_IRETURN:
2695                                 case ICMD_LRETURN:
2696                                 case ICMD_ARETURN:
2697                                         M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2698                                         break;
2699                                 case ICMD_FRETURN:
2700                                 case ICMD_DRETURN:
2701                                         M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2702                                         break;
2703                                 }
2704
2705                                 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2706                                 M_ALD(REG_PV, REG_PV, disp);
2707                                 M_JSR(REG_RA, REG_PV);
2708                                 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2709                                 M_LDA(REG_PV, REG_RA, disp);
2710
2711                                 switch (iptr->opc) {
2712                                 case ICMD_IRETURN:
2713                                 case ICMD_LRETURN:
2714                                 case ICMD_ARETURN:
2715                                         M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2716                                         break;
2717                                 case ICMD_FRETURN:
2718                                 case ICMD_DRETURN:
2719                                         M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2720                                         break;
2721                                 }
2722                         }
2723 #endif
2724
2725                         /* restore return address                                         */
2726
2727                         if (!jd->isleafmethod) {
2728                                 p--; M_LLD(REG_RA, REG_SP, p * 8);
2729                         }
2730
2731                         /* restore saved registers                                        */
2732
2733                         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2734                                 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2735                         }
2736                         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2737                                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2738                         }
2739
2740                         /* deallocate stack                                               */
2741
2742                         if (cd->stackframesize)
2743                                 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2744
2745                         M_RET(REG_ZERO, REG_RA);
2746                         ALIGNCODENOP;
2747                         }
2748                         break;
2749
2750
2751                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2752                         {
2753                         s4 i, l;
2754                         branch_target_t *table;
2755
2756                         table = iptr->dst.table;
2757
2758                         l = iptr->sx.s23.s2.tablelow;
2759                         i = iptr->sx.s23.s3.tablehigh;
2760
2761                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2762                         if (l == 0) {
2763                                 M_INTMOVE(s1, REG_ITMP1);
2764                         } else if (l <= 32768) {
2765                                 M_LDA(REG_ITMP1, s1, -l);
2766                         } else {
2767                                 ICONST(REG_ITMP2, l);
2768                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2769                         }
2770
2771                         /* number of targets */
2772                         i = i - l + 1;
2773
2774                         /* range check */
2775
2776                         if (i <= 256)
2777                                 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2778                         else {
2779                                 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2780                                 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2781                         }
2782                         M_BEQZ(REG_ITMP2, 0);
2783                         codegen_addreference(cd, table[0].block);
2784
2785                         /* build jump table top down and use address of lowest entry */
2786
2787                         table += i;
2788
2789                         while (--i >= 0) {
2790                                 dseg_add_target(cd, table->block);
2791                                 --table;
2792                         }
2793                         }
2794
2795                         /* length of dataseg after last dseg_add_target is used by load */
2796
2797                         M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2798                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2799                         M_JMP(REG_ZERO, REG_ITMP2);
2800                         ALIGNCODENOP;
2801                         break;
2802
2803
2804                 case ICMD_LOOKUPSWITCH: /* ..., key ==> ...                           */
2805                         {
2806                         s4 i, val;
2807                         lookup_target_t *lookup;
2808
2809                         lookup = iptr->dst.lookup;
2810
2811                         i = iptr->sx.s23.s2.lookupcount;
2812
2813                         MCODECHECK((i<<2)+8);
2814                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2815
2816                         while (--i >= 0) {
2817                                 val = lookup->value;
2818                                 if ((val >= 0) && (val <= 255)) {
2819                                         M_CMPEQ_IMM(s1, val, REG_ITMP2);
2820                                 } else {
2821                                         if ((val >= -32768) && (val <= 32767)) {
2822                                                 M_LDA(REG_ITMP2, REG_ZERO, val);
2823                                         } else {
2824                                                 disp = dseg_add_s4(cd, val);
2825                                                 M_ILD(REG_ITMP2, REG_PV, disp);
2826                                         }
2827                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2828                                 }
2829                                 M_BNEZ(REG_ITMP2, 0);
2830                                 codegen_addreference(cd, lookup->target.block);
2831                                 lookup++;
2832                         }
2833
2834                         M_BR(0);
2835
2836                         codegen_addreference(cd, iptr->sx.s23.s3.lookupdefault.block);
2837
2838                         ALIGNCODENOP;
2839                         break;
2840                         }
2841
2842
2843                 case ICMD_BUILTIN:      /* ..., arg1, arg2, arg3 ==> ...              */
2844
2845                         bte = iptr->sx.s23.s3.bte;
2846                         md = bte->md;
2847                         goto gen_method;
2848
2849                 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
2850
2851                 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2852                 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
2853                 case ICMD_INVOKEINTERFACE:
2854
2855                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2856                                 md = iptr->sx.s23.s3.um->methodref->parseddesc.md;
2857                                 lm = NULL;
2858                         }
2859                         else {
2860                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2861                                 md = lm->parseddesc;
2862                         }
2863
2864 gen_method:
2865                         s3 = md->paramcount;
2866
2867                         MCODECHECK((s3 << 1) + 64);
2868
2869                         /* copy arguments to registers or stack location                  */
2870
2871                         for (s3 = s3 - 1; s3 >= 0; s3--) {
2872                                 src = iptr->sx.s23.s2.args[s3];
2873
2874                                 if (src->varkind == ARGVAR)
2875                                         continue;
2876                                 if (IS_INT_LNG_TYPE(src->type)) {
2877                                         if (!md->params[s3].inmemory) {
2878                                                 s1 = rd->argintregs[md->params[s3].regoff];
2879                                                 d = emit_load(jd, iptr, src, s1);
2880                                                 M_INTMOVE(d, s1);
2881                                         } else {
2882                                                 d = emit_load(jd, iptr, src, REG_ITMP1);
2883                                                 M_LST(d, REG_SP, md->params[s3].regoff * 8);
2884                                         }
2885
2886                                 } else {
2887                                         if (!md->params[s3].inmemory) {
2888                                                 s1 = rd->argfltregs[md->params[s3].regoff];
2889                                                 d = emit_load(jd, iptr, src, s1);
2890                                                 M_FLTMOVE(d, s1);
2891                                         } else {
2892                                                 d = emit_load(jd, iptr, src, REG_FTMP1);
2893                                                 M_DST(d, REG_SP, md->params[s3].regoff * 8);
2894                                         }
2895                                 }
2896                         }
2897
2898                         switch (iptr->opc) {
2899                         case ICMD_BUILTIN:
2900                                 disp = dseg_add_functionptr(cd, bte->fp);
2901                                 d = md->returntype.type;
2902
2903                                 M_ALD(REG_PV, REG_PV, disp);  /* Pointer to built-in-function */
2904                                 M_JSR(REG_RA, REG_PV);
2905                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2906                                 M_LDA(REG_PV, REG_RA, -disp);
2907
2908
2909                                 if (INSTRUCTION_MUST_CHECK(iptr)) {
2910                                         M_BEQZ(REG_RESULT, 0);
2911                                         codegen_add_fillinstacktrace_ref(cd);
2912                                 }
2913                                 break;
2914
2915                         case ICMD_INVOKESPECIAL:
2916                                 M_BEQZ(rd->argintregs[0], 0);
2917                                 codegen_add_nullpointerexception_ref(cd);
2918                                 /* fall through */
2919
2920                         case ICMD_INVOKESTATIC:
2921                                 if (lm == NULL) {
2922                                         unresolved_method *um = iptr->sx.s23.s3.um;
2923
2924                                         disp = dseg_add_unique_address(cd, um);
2925
2926                                         codegen_addpatchref(cd, PATCHER_invokestatic_special,
2927                                                                                 um, disp);
2928
2929                                         if (opt_showdisassemble)
2930                                                 M_NOP;
2931
2932                                         d = um->methodref->parseddesc.md->returntype.type;
2933                                 }
2934                                 else {
2935                                         disp = dseg_add_address(cd, lm->stubroutine);
2936                                         d = lm->parseddesc->returntype.type;
2937                                 }
2938
2939                                 M_ALD(REG_PV, REG_PV, disp);         /* method pointer in r27 */
2940                                 M_JSR(REG_RA, REG_PV);
2941                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2942                                 M_LDA(REG_PV, REG_RA, -disp);
2943                                 break;
2944
2945                         case ICMD_INVOKEVIRTUAL:
2946                                 gen_nullptr_check(rd->argintregs[0]);
2947
2948                                 if (lm == NULL) {
2949                                         unresolved_method *um = iptr->sx.s23.s3.um;
2950
2951                                         codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
2952
2953                                         if (opt_showdisassemble)
2954                                                 M_NOP;
2955
2956                                         s1 = 0;
2957                                         d = um->methodref->parseddesc.md->returntype.type;
2958                                 }
2959                                 else {
2960                                         s1 = OFFSET(vftbl_t, table[0]) +
2961                                                 sizeof(methodptr) * lm->vftblindex;
2962                                         d = lm->parseddesc->returntype.type;
2963                                 }
2964
2965                                 M_ALD(REG_METHODPTR, rd->argintregs[0],
2966                                           OFFSET(java_objectheader, vftbl));
2967                                 M_ALD(REG_PV, REG_METHODPTR, s1);
2968                                 M_JSR(REG_RA, REG_PV);
2969                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2970                                 M_LDA(REG_PV, REG_RA, -disp);
2971                                 break;
2972
2973                         case ICMD_INVOKEINTERFACE:
2974                                 gen_nullptr_check(rd->argintregs[0]);
2975
2976                                 if (lm == NULL) {
2977                                         unresolved_method *um = iptr->sx.s23.s3.um;
2978
2979                                         codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
2980
2981                                         if (opt_showdisassemble)
2982                                                 M_NOP;
2983
2984                                         s1 = 0;
2985                                         s2 = 0;
2986                                         d = um->methodref->parseddesc.md->returntype.type;
2987                                 }
2988                                 else {
2989                                         s1 = OFFSET(vftbl_t, interfacetable[0]) -
2990                                                 sizeof(methodptr*) * lm->class->index;
2991
2992                                         s2 = sizeof(methodptr) * (lm - lm->class->methods);
2993
2994                                         d = lm->parseddesc->returntype.type;
2995                                 }
2996
2997                                 M_ALD(REG_METHODPTR, rd->argintregs[0],
2998                                           OFFSET(java_objectheader, vftbl));
2999                                 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
3000                                 M_ALD(REG_PV, REG_METHODPTR, s2);
3001                                 M_JSR(REG_RA, REG_PV);
3002                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3003                                 M_LDA(REG_PV, REG_RA, -disp);
3004                                 break;
3005                         }
3006
3007                         /* d contains return type */
3008
3009                         if (d != TYPE_VOID) {
3010                                 if (IS_INT_LNG_TYPE(d)) {
3011                                         s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3012                                         M_INTMOVE(REG_RESULT, s1);
3013 /*                                      emit_store_dst(jd, iptr, s1); */
3014                                 } else {
3015                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
3016                                         M_FLTMOVE(REG_FRESULT, s1);
3017 /*                                      emit_store_dst(jd, iptr, s1); */
3018                                 }
3019                                 emit_store_dst(jd, iptr, s1);
3020                         }
3021                         break;
3022
3023
3024                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
3025
3026                                       /* val.a: (classinfo*) superclass               */
3027
3028                         /*  superclass is an interface:
3029                          *
3030                          *  OK if ((sub == NULL) ||
3031                          *         (sub->vftbl->interfacetablelength > super->index) &&
3032                          *         (sub->vftbl->interfacetable[-super->index] != NULL));
3033                          *
3034                          *  superclass is a class:
3035                          *
3036                          *  OK if ((sub == NULL) || (0
3037                          *         <= (sub->vftbl->baseval - super->vftbl->baseval) <=
3038                          *         super->vftbl->diffval));
3039                          */
3040
3041                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
3042                                 /* object type cast-check */
3043
3044                                 classinfo *super;
3045                                 vftbl_t   *supervftbl;
3046                                 s4         superindex;
3047
3048                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3049                                         super = NULL;
3050                                         superindex = 0;
3051                                         supervftbl = NULL;
3052                                 }
3053                                 else {
3054                                         super = iptr->sx.s23.s3.c.cls;
3055                                         superindex = super->index;
3056                                         supervftbl = super->vftbl;
3057                                 }
3058
3059 #if defined(ENABLE_THREADS)
3060                                 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3061 #endif
3062                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3063
3064                                 /* calculate interface checkcast code size */
3065
3066                                 s2 = 6;
3067                                 if (super == NULL)
3068                                         s2 += opt_showdisassemble ? 1 : 0;
3069
3070                                 /* calculate class checkcast code size */
3071
3072                                 s3 = 9 /* 8 + (s1 == REG_ITMP1) */;
3073                                 if (super == NULL)
3074                                         s3 += opt_showdisassemble ? 1 : 0;
3075
3076                                 /* if class is not resolved, check which code to call */
3077
3078                                 if (super == NULL) {
3079                                         M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3080
3081                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
3082
3083                                         codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
3084                                                                                 iptr->sx.s23.s3.c.ref,
3085                                                                                 disp);
3086
3087                                         if (opt_showdisassemble)
3088                                                 M_NOP;
3089
3090                                         M_ILD(REG_ITMP2, REG_PV, disp);
3091                                         disp = dseg_add_s4(cd, ACC_INTERFACE);
3092                                         M_ILD(REG_ITMP3, REG_PV, disp);
3093                                         M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
3094                                         M_BEQZ(REG_ITMP2, s2 + 1);
3095                                 }
3096
3097                                 /* interface checkcast code */
3098
3099                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
3100                                         if (super == NULL) {
3101                                                 codegen_addpatchref(cd,
3102                                                                                         PATCHER_checkcast_instanceof_interface,
3103                                                                                         iptr->sx.s23.s3.c.ref,
3104                                                                                         0);
3105
3106                                                 if (opt_showdisassemble)
3107                                                         M_NOP;
3108                                         }
3109                                         else
3110                                                 M_BEQZ(s1, s2);
3111
3112                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3113                                         M_ILD(REG_ITMP3, REG_ITMP2,
3114                                                   OFFSET(vftbl_t, interfacetablelength));
3115                                         M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
3116                                         M_BLEZ(REG_ITMP3, 0);
3117                                         codegen_add_classcastexception_ref(cd, s1);
3118                                         M_ALD(REG_ITMP3, REG_ITMP2,
3119                                                   (s4) (OFFSET(vftbl_t, interfacetable[0]) -
3120                                                                 superindex * sizeof(methodptr*)));
3121                                         M_BEQZ(REG_ITMP3, 0);
3122                                         codegen_add_classcastexception_ref(cd, s1);
3123
3124                                         if (super == NULL)
3125                                                 M_BR(s3);
3126                                 }
3127
3128                                 /* class checkcast code */
3129
3130                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
3131                                         if (super == NULL) {
3132                                                 disp = dseg_add_unique_address(cd, NULL);
3133
3134                                                 codegen_addpatchref(cd,
3135                                                                                         PATCHER_resolve_classref_to_vftbl,
3136                                                                                         iptr->sx.s23.s3.c.ref,
3137                                                                                         disp);
3138
3139                                                 if (opt_showdisassemble)
3140                                                         M_NOP;
3141                                         }
3142                                         else {
3143                                                 disp = dseg_add_address(cd, supervftbl);
3144
3145                                                 M_BEQZ(s1, s3);
3146                                         }
3147
3148                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3149                                         M_ALD(REG_ITMP3, REG_PV, disp);
3150 #if defined(ENABLE_THREADS)
3151                                         codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3152 #endif
3153                                         M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
3154                                         /*                              if (s1 != REG_ITMP1) { */
3155                                         /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
3156                                         /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
3157                                         /*  #if defined(ENABLE_THREADS) */
3158                                         /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
3159                                         /*  #endif */
3160                                         /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
3161
3162                                         /*                              } else { */
3163                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
3164                                         M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
3165                                         M_ALD(REG_ITMP3, REG_PV, disp);
3166                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
3167 #if defined(ENABLE_THREADS)
3168                                         codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3169 #endif
3170                                         /*                              } */
3171                                         M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
3172                                         M_BEQZ(REG_ITMP3, 0);
3173                                         codegen_add_classcastexception_ref(cd, s1);
3174                                 }
3175
3176                                 d = codegen_reg_of_dst(jd, iptr, s1);
3177                         }
3178                         else {
3179                                 /* array type cast-check */
3180
3181                                 s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
3182                                 M_INTMOVE(s1, rd->argintregs[0]);
3183
3184                                 disp = dseg_addaddress(cd, iptr->sx.s23.s3.c.cls);
3185
3186                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3187                                         codegen_addpatchref(cd,
3188                                                                                 PATCHER_resolve_classref_to_classinfo,
3189                                                                                 iptr->sx.s23.s3.c.ref,
3190                                                                                 disp);
3191
3192                                         if (opt_showdisassemble)
3193                                                 M_NOP;
3194                                 }
3195
3196                                 M_ALD(rd->argintregs[1], REG_PV, disp);
3197                                 disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
3198                                 M_ALD(REG_PV, REG_PV, disp);
3199                                 M_JSR(REG_RA, REG_PV);
3200                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3201                                 M_LDA(REG_PV, REG_RA, -disp);
3202
3203                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3204                                 M_BEQZ(REG_RESULT, 0);
3205                                 codegen_add_classcastexception_ref(cd, s1);
3206
3207                                 d = codegen_reg_of_dst(jd, iptr, s1);
3208                         }
3209
3210                         M_INTMOVE(s1, d);
3211                         emit_store_dst(jd, iptr, d);
3212                         break;
3213
3214                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
3215
3216                                       /* val.a: (classinfo*) superclass               */
3217
3218                         /*  superclass is an interface:
3219                          *
3220                          *  return (sub != NULL) &&
3221                          *         (sub->vftbl->interfacetablelength > super->index) &&
3222                          *         (sub->vftbl->interfacetable[-super->index] != NULL);
3223                          *
3224                          *  superclass is a class:
3225                          *
3226                          *  return ((sub != NULL) && (0
3227                          *          <= (sub->vftbl->baseval - super->vftbl->baseval) <=
3228                          *          super->vftbl->diffvall));
3229                          */
3230
3231                         {
3232                         classinfo *super;
3233                         vftbl_t   *supervftbl;
3234                         s4         superindex;
3235
3236                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3237                                 super = NULL;
3238                                 superindex = 0;
3239                                 supervftbl = NULL;
3240
3241                         } else {
3242                                 super = iptr->sx.s23.s3.c.cls;
3243                                 superindex = super->index;
3244                                 supervftbl = super->vftbl;
3245                         }
3246
3247 #if defined(ENABLE_THREADS)
3248                         codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3249 #endif
3250                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3251                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
3252                         if (s1 == d) {
3253                                 M_MOV(s1, REG_ITMP1);
3254                                 s1 = REG_ITMP1;
3255                         }
3256
3257                         /* calculate interface instanceof code size */
3258
3259                         s2 = 6;
3260                         if (super == NULL)
3261                                 s2 += (d == REG_ITMP2 ? 1 : 0) + (opt_showdisassemble ? 1 : 0);
3262
3263                         /* calculate class instanceof code size */
3264
3265                         s3 = 7;
3266                         if (super == NULL)
3267                                 s3 += (opt_showdisassemble ? 1 : 0);
3268
3269                         /* if class is not resolved, check which code to call */
3270
3271                         if (super == NULL) {
3272                                 M_CLR(d);
3273                                 M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3274
3275                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
3276
3277                                 codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
3278                                                                         iptr->sx.s23.s3.c.ref, disp);
3279
3280                                 if (opt_showdisassemble)
3281                                         M_NOP;
3282
3283                                 M_ILD(REG_ITMP3, REG_PV, disp);
3284
3285                                 disp = dseg_add_s4(cd, ACC_INTERFACE);
3286                                 M_ILD(REG_ITMP2, REG_PV, disp);
3287                                 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
3288                                 M_BEQZ(REG_ITMP3, s2 + 1);
3289                         }
3290
3291                         /* interface instanceof code */
3292
3293                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
3294                                 if (super == NULL) {
3295                                         /* If d == REG_ITMP2, then it's destroyed in check
3296                                            code above. */
3297                                         if (d == REG_ITMP2)
3298                                                 M_CLR(d);
3299
3300                                         codegen_addpatchref(cd,
3301                                                                                 PATCHER_checkcast_instanceof_interface,
3302                                                                                 iptr->sx.s23.s3.c.ref, 0);
3303
3304                                         if (opt_showdisassemble)
3305                                                 M_NOP;
3306                                 }
3307                                 else {
3308                                         M_CLR(d);
3309                                         M_BEQZ(s1, s2);
3310                                 }
3311
3312                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3313                                 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
3314                                 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
3315                                 M_BLEZ(REG_ITMP3, 2);
3316                                 M_ALD(REG_ITMP1, REG_ITMP1,
3317                                           (s4) (OFFSET(vftbl_t, interfacetable[0]) -
3318                                                         superindex * sizeof(methodptr*)));
3319                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
3320
3321                                 if (super == NULL)
3322                                         M_BR(s3);
3323                         }
3324
3325                         /* class instanceof code */
3326
3327                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
3328                                 if (super == NULL) {
3329                                         disp = dseg_add_unique_address(cd, NULL);
3330
3331                                         codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl,
3332                                                                                 iptr->sx.s23.s3.c.ref,
3333                                                                                 disp);
3334
3335                                         if (opt_showdisassemble)
3336                                                 M_NOP;
3337                                 }
3338                                 else {
3339                                         disp = dseg_add_address(cd, supervftbl);
3340
3341                                         M_CLR(d);
3342                                         M_BEQZ(s1, s3);
3343                                 }
3344
3345                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3346                                 M_ALD(REG_ITMP2, REG_PV, disp);
3347 #if defined(ENABLE_THREADS)
3348                                 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3349 #endif
3350                                 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
3351                                 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3352                                 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3353 #if defined(ENABLE_THREADS)
3354                                 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3355 #endif
3356                                 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3357                                 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
3358                         }
3359                         emit_store_dst(jd, iptr, d);
3360                         }
3361                         break;
3362
3363                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
3364
3365                         /* check for negative sizes and copy sizes to stack if necessary  */
3366
3367                         MCODECHECK((iptr->s1.argcount << 1) + 64);
3368
3369                         for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
3370
3371                                 src = iptr->sx.s23.s2.args[s1];
3372
3373                                 /* copy SAVEDVAR sizes to stack */
3374
3375                                 if (src->varkind != ARGVAR) {
3376                                         s2 = emit_load(jd, iptr, src, REG_ITMP1);
3377                                         M_LST(s2, REG_SP, s1 * 8);
3378                                 }
3379                         }
3380
3381                         /* a0 = dimension count */
3382
3383                         ICONST(rd->argintregs[0], iptr->s1.argcount);
3384
3385                         /* is patcher function set? */
3386
3387                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3388                                 disp = dseg_add_unique_address(cd, 0);
3389
3390                                 codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
3391                                                                         iptr->sx.s23.s3.c.ref,
3392                                                                         disp);
3393
3394                                 if (opt_showdisassemble)
3395                                         M_NOP;
3396                         }
3397                         else
3398                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3399
3400                         /* a1 = arraydescriptor */
3401
3402                         M_ALD(rd->argintregs[1], REG_PV, disp);
3403
3404                         /* a2 = pointer to dimensions = stack pointer */
3405
3406                         M_INTMOVE(REG_SP, rd->argintregs[2]);
3407
3408                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3409                         M_ALD(REG_PV, REG_PV, disp);
3410                         M_JSR(REG_RA, REG_PV);
3411                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3412                         M_LDA(REG_PV, REG_RA, -disp);
3413
3414                         /* check for exception before result assignment */
3415
3416                         M_BEQZ(REG_RESULT, 0);
3417                         codegen_add_fillinstacktrace_ref(cd);
3418
3419                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3420                         M_INTMOVE(REG_RESULT, d);
3421                         emit_store_dst(jd, iptr, d);
3422                         break;
3423
3424                 default:
3425                         *exceptionptr =
3426                                 new_internalerror("Unknown ICMD %d", iptr->opc);
3427                         return false;
3428         } /* switch */
3429
3430         } /* for instruction */
3431
3432         /* copy values to interface registers */
3433
3434         len = bptr->outdepth;
3435         MCODECHECK(64+len);
3436 #if defined(ENABLE_LSRA)
3437         if (!opt_lsra)
3438 #endif
3439         while (len) {
3440                 len--;
3441                 src = bptr->outvars[len];
3442                 if ((src->varkind != STACKVAR)) {
3443                         s2 = src->type;
3444                         if (IS_FLT_DBL_TYPE(s2)) {
3445                                 /* XXX can be one call */
3446                                 s1 = emit_load(jd, NULL, src, REG_FTMP1);
3447                                 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3448                                         M_FLTMOVE(s1,rd->interfaces[len][s2].regoff);
3449                                         }
3450                                 else {
3451                                         M_DST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
3452                                         }
3453                                 }
3454                         else {
3455                                 /* XXX can be one call */
3456                                 s1 = emit_load(jd, NULL, src, REG_ITMP1);
3457                                 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3458                                         M_INTMOVE(s1,rd->interfaces[len][s2].regoff);
3459                                         }
3460                                 else {
3461                                         M_LST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
3462                                         }
3463                                 }
3464                         }
3465                 }
3466         } /* if (bptr -> flags >= BBREACHED) */
3467         } /* for basic block */
3468
3469         dseg_createlinenumbertable(cd);
3470
3471         /* generate stubs */
3472
3473         emit_exception_stubs(jd);
3474         emit_patcher_stubs(jd);
3475 #if 0
3476         emit_replacement_stubs(jd);
3477 #endif
3478
3479         codegen_finish(jd);
3480
3481         /* everything's ok */
3482
3483         return true;
3484 }
3485
3486
3487 /* createcompilerstub **********************************************************
3488
3489    Creates a stub routine which calls the compiler.
3490
3491 *******************************************************************************/
3492
3493 #define COMPILERSTUB_DATASIZE    3 * SIZEOF_VOID_P
3494 #define COMPILERSTUB_CODESIZE    3 * 4
3495
3496 #define COMPILERSTUB_SIZE        COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
3497
3498
3499 u1 *createcompilerstub(methodinfo *m)
3500 {
3501         u1          *s;                     /* memory to hold the stub            */
3502         ptrint      *d;
3503         codeinfo    *code;
3504         codegendata *cd;
3505         s4           dumpsize;              /* code generation pointer            */
3506
3507         s = CNEW(u1, COMPILERSTUB_SIZE);
3508
3509         /* set data pointer and code pointer */
3510
3511         d = (ptrint *) s;
3512         s = s + COMPILERSTUB_DATASIZE;
3513
3514         /* mark start of dump memory area */
3515
3516         dumpsize = dump_size();
3517
3518         cd = DNEW(codegendata);
3519         cd->mcodeptr = s;
3520
3521         /* Store the codeinfo pointer in the same place as in the
3522            methodheader for compiled methods. */
3523
3524         code = code_codeinfo_new(m);
3525
3526         d[0] = (ptrint) asm_call_jit_compiler;
3527         d[1] = (ptrint) m;
3528         d[2] = (ptrint) code;
3529
3530         /* code for the stub */
3531
3532         M_ALD(REG_ITMP1, REG_PV, -2 * 8);   /* load codeinfo pointer              */
3533         M_ALD(REG_PV, REG_PV, -3 * 8);      /* load pointer to the compiler       */
3534         M_JMP(REG_ZERO, REG_PV);            /* jump to the compiler               */
3535
3536 #if defined(ENABLE_STATISTICS)
3537         if (opt_stat)
3538                 count_cstub_len += COMPILERSTUB_SIZE;
3539 #endif
3540
3541         /* release dump area */
3542
3543         dump_release(dumpsize);
3544
3545         return s;
3546 }
3547
3548
3549 /* createnativestub ************************************************************
3550
3551    Creates a stub routine which calls a native method.
3552
3553 *******************************************************************************/
3554
3555 u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
3556 {
3557         methodinfo   *m;
3558         codeinfo     *code;
3559         codegendata  *cd;
3560         registerdata *rd;
3561         methoddesc   *md;
3562         s4            nativeparams;
3563         s4            i, j;                 /* count variables                    */
3564         s4            t;
3565         s4            s1, s2, disp;
3566         s4            funcdisp;             /* displacement of the function       */
3567
3568         /* get required compiler data */
3569
3570         m    = jd->m;
3571         code = jd->code;
3572         cd   = jd->cd;
3573         rd   = jd->rd;
3574
3575         /* initialize variables */
3576
3577         md = m->parseddesc;
3578         nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3579
3580         /* calculate stack frame size */
3581
3582         cd->stackframesize =
3583                 1 +                             /* return address                     */
3584                 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3585                 sizeof(localref_table) / SIZEOF_VOID_P +
3586                 1 +                             /* methodinfo for call trace          */
3587                 (md->paramcount > INT_ARG_CNT ? INT_ARG_CNT : md->paramcount) +
3588                 nmd->memuse;
3589
3590         /* create method header */
3591
3592         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3593         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3594         (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
3595         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3596         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3597         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3598         (void) dseg_addlinenumbertablesize(cd);
3599         (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
3600
3601         /* generate stub code */
3602
3603         M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3604         M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3605
3606         /* call trace function */
3607
3608 #if !defined(NDEBUG)
3609         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3610                 emit_verbosecall_enter(jd);
3611 #endif
3612
3613         /* get function address (this must happen before the stackframeinfo) */
3614
3615         funcdisp = dseg_add_functionptr(cd, f);
3616
3617 #if !defined(WITH_STATIC_CLASSPATH)
3618         if (f == NULL) {
3619                 codegen_addpatchref(cd, PATCHER_resolve_native_function, m, funcdisp);
3620
3621                 if (opt_showdisassemble)
3622                         M_NOP;
3623         }
3624 #endif
3625
3626         /* save integer and float argument registers */
3627
3628         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3629                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3630                         M_LST(rd->argintregs[i], REG_SP, j * 8);
3631                         j++;
3632                 }
3633         }
3634
3635         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3636                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3637                         M_DST(rd->argfltregs[i], REG_SP, j * 8);
3638                         j++;
3639                 }
3640         }
3641
3642         /* prepare data structures for native function call */
3643
3644         M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3645         M_MOV(REG_PV, rd->argintregs[1]);
3646         M_LDA(rd->argintregs[2], REG_SP, cd->stackframesize * 8);
3647         M_ALD(rd->argintregs[3], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3648         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3649         M_ALD(REG_PV, REG_PV, disp);
3650         M_JSR(REG_RA, REG_PV);
3651         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3652         M_LDA(REG_PV, REG_RA, -disp);
3653
3654         /* restore integer and float argument registers */
3655
3656         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3657                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3658                         M_LLD(rd->argintregs[i], REG_SP, j * 8);
3659                         j++;
3660                 }
3661         }
3662
3663         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3664                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3665                         M_DLD(rd->argfltregs[i], REG_SP, j * 8);
3666                         j++;
3667                 }
3668         }
3669
3670         /* copy or spill arguments to new locations */
3671
3672         for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3673                 t = md->paramtypes[i].type;
3674
3675                 if (IS_INT_LNG_TYPE(t)) {
3676                         if (!md->params[i].inmemory) {
3677                                 s1 = rd->argintregs[md->params[i].regoff];
3678
3679                                 if (!nmd->params[j].inmemory) {
3680                                         s2 = rd->argintregs[nmd->params[j].regoff];
3681                                         M_INTMOVE(s1, s2);
3682
3683                                 } else {
3684                                         s2 = nmd->params[j].regoff;
3685                                         M_LST(s1, REG_SP, s2 * 8);
3686                                 }
3687
3688                         } else {
3689                                 s1 = md->params[i].regoff + cd->stackframesize;
3690                                 s2 = nmd->params[j].regoff;
3691                                 M_LLD(REG_ITMP1, REG_SP, s1 * 8);
3692                                 M_LST(REG_ITMP1, REG_SP, s2 * 8);
3693                         }
3694
3695                 } else {
3696                         if (!md->params[i].inmemory) {
3697                                 s1 = rd->argfltregs[md->params[i].regoff];
3698
3699                                 if (!nmd->params[j].inmemory) {
3700                                         s2 = rd->argfltregs[nmd->params[j].regoff];
3701                                         M_FLTMOVE(s1, s2);
3702
3703                                 } else {
3704                                         s2 = nmd->params[j].regoff;
3705                                         if (IS_2_WORD_TYPE(t))
3706                                                 M_DST(s1, REG_SP, s2 * 8);
3707                                         else
3708                                                 M_FST(s1, REG_SP, s2 * 8);
3709                                 }
3710
3711                         } else {
3712                                 s1 = md->params[i].regoff + cd->stackframesize;
3713                                 s2 = nmd->params[j].regoff;
3714                                 M_DLD(REG_FTMP1, REG_SP, s1 * 8);
3715                                 if (IS_2_WORD_TYPE(t))
3716                                         M_DST(REG_FTMP1, REG_SP, s2 * 8);
3717                                 else
3718                                         M_FST(REG_FTMP1, REG_SP, s2 * 8);
3719                         }
3720                 }
3721         }
3722
3723         /* put class into second argument register */
3724
3725         if (m->flags & ACC_STATIC) {
3726                 disp = dseg_add_address(cd, m->class);
3727                 M_ALD(rd->argintregs[1], REG_PV, disp);
3728         }
3729
3730         /* put env into first argument register */
3731
3732         disp = dseg_add_address(cd, _Jv_env);
3733         M_ALD(rd->argintregs[0], REG_PV, disp);
3734
3735         /* do the native function call */
3736
3737         M_ALD(REG_PV, REG_PV, funcdisp);
3738         M_JSR(REG_RA, REG_PV);              /* call native method                 */
3739         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3740         M_LDA(REG_PV, REG_RA, -disp);       /* recompute pv from ra               */
3741
3742         /* save return value */
3743
3744         if (md->returntype.type != TYPE_VOID) {
3745                 if (IS_INT_LNG_TYPE(md->returntype.type))
3746                         M_LST(REG_RESULT, REG_SP, 0 * 8);
3747                 else
3748                         M_DST(REG_FRESULT, REG_SP, 0 * 8);
3749         }
3750
3751         /* call finished trace */
3752
3753 #if !defined(NDEBUG)
3754         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3755                 emit_verbosecall_exit(jd);
3756 #endif
3757
3758         /* remove native stackframe info */
3759
3760         M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3761         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3762         M_ALD(REG_PV, REG_PV, disp);
3763         M_JSR(REG_RA, REG_PV);
3764         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3765         M_LDA(REG_PV, REG_RA, -disp);
3766         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3767
3768         /* restore return value */
3769
3770         if (md->returntype.type != TYPE_VOID) {
3771                 if (IS_INT_LNG_TYPE(md->returntype.type))
3772                         M_LLD(REG_RESULT, REG_SP, 0 * 8);
3773                 else
3774                         M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3775         }
3776
3777         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA            */
3778         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3779
3780         /* check for exception */
3781
3782         M_BNEZ(REG_ITMP1_XPTR, 1);          /* if no exception then return        */
3783         M_RET(REG_ZERO, REG_RA);            /* return to caller                   */
3784
3785         /* handle exception */
3786
3787         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address            */
3788
3789         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3790         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3791         M_JMP(REG_ZERO, REG_ITMP3);         /* jump to asm exception handler      */
3792
3793
3794         /* generate patcher stubs */
3795
3796         emit_patcher_stubs(jd);
3797
3798         codegen_finish(jd);
3799
3800         return code->entrypoint;
3801 }
3802
3803
3804 /*
3805  * These are local overrides for various environment variables in Emacs.
3806  * Please do not remove this and leave it at the end of the file, where
3807  * Emacs will automagically detect them.
3808  * ---------------------------------------------------------------------
3809  * Local variables:
3810  * mode: c
3811  * indent-tabs-mode: t
3812  * c-basic-offset: 4
3813  * tab-width: 4
3814  * End:
3815  * vim:noexpandtab:sw=4:ts=4:
3816  */