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 5334 2006-09-05 20:17:46Z 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 = m->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 (bptr->bitflags & BBFLAG_REPLACEMENT) {
 337                         replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
 338
 339                         replacementpoint++;
 340                 }
 341
 342                 /* copy interface registers to their destination */
 343
 344                 src = bptr->instack;
 345                 len = bptr->indepth;
 346                 MCODECHECK(64+len);
 347 #if defined(ENABLE_LSRA)
 348                 if (opt_lsra) {
 349                 while (src != NULL) {
 350                         len--;
 351                         if ((len == 0) && (bptr->type != BBTYPE_STD)) {
 352                                         /*                              d = reg_of_var(m, src, REG_ITMP1); */
 353                                         if (!(src->flags & INMEMORY))
 354                                                 d = src->regoff;
 355                                         else
 356                                                 d = REG_ITMP1;
 357                                         M_INTMOVE(REG_ITMP1, d);
 358                                         emit_store(jd, NULL, src, d);
 359                                 }
 360                                 src = src->prev;
 361                         }
 362                 } else {
 363 #endif
 364                         while (src != NULL) {
 365                                 len--;
 366                                 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
 367                                         d = codegen_reg_of_var(rd, 0, src, REG_ITMP1);
 368                                         M_INTMOVE(REG_ITMP1, d);
 369                                         emit_store(jd, NULL, src, d);
 370
 371                                 } else {
 372                                         d = codegen_reg_of_var(rd, 0, src, REG_IFTMP);
 373                                         if ((src->varkind != STACKVAR)) {
 374                                                 s2 = src->type;
 375                                                 if (IS_FLT_DBL_TYPE(s2)) {
 376                                                         if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
 377                                                                 s1 = rd->interfaces[len][s2].regoff;
 378                                                                 M_FLTMOVE(s1, d);
 379                                                         } else {
 380                                                                 M_DLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
 381                                                         }
 382                                                         emit_store(jd, NULL, src, d);
 383                                                 }
 384                                                 else {
 385                                                         if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
 386                                                                 s1 = rd->interfaces[len][s2].regoff;
 387                                                                 M_INTMOVE(s1, d);
 388                                                         } else {
 389                                                                 M_LLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
 390                                                         }
 391                                                         emit_store(jd, NULL, src, d);
 392                                                 }
 393                                         }
 394                                 }
 395                                 src = src->prev;
 396                         }
 397 #if defined(ENABLE_LSRA)
 398                 }
 399 #endif
 400
 401                 /* walk through all instructions */
 402
 403                 src = bptr->instack;
 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                                 disp = dseg_add_address(cd, &(fi->value));
2000
2001                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
2002                                         codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
2003                                                                                 0);
2004
2005                                         if (opt_showdisassemble)
2006                                                 M_NOP;
2007                                 }
2008                         }
2009
2010                         M_ALD(REG_ITMP1, REG_PV, disp);
2011                         switch (fieldtype) {
2012                         case TYPE_INT:
2013                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2014                                 M_ILD(d, REG_ITMP1, 0);
2015                                 break;
2016                         case TYPE_LNG:
2017                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2018                                 M_LLD(d, REG_ITMP1, 0);
2019                                 break;
2020                         case TYPE_ADR:
2021                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2022                                 M_ALD(d, REG_ITMP1, 0);
2023                                 break;
2024                         case TYPE_FLT:
2025                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2026                                 M_FLD(d, REG_ITMP1, 0);
2027                                 break;
2028                         case TYPE_DBL:
2029                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2030                                 M_DLD(d, REG_ITMP1, 0);
2031                                 break;
2032                         }
2033                         emit_store_dst(jd, iptr, d);
2034                         break;
2035
2036                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
2037
2038                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2039                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2040
2041                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2042
2043                                 disp = dseg_add_unique_address(cd, uf);
2044
2045                                 codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
2046
2047                                 if (opt_showdisassemble)
2048                                         M_NOP;
2049                         }
2050                         else {
2051                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2052
2053                                 disp = dseg_add_address(cd, &(fi->value));
2054
2055                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
2056                                         codegen_addpatchref(cd, PATCHER_initialize_class, fi->class,
2057                                                                                 0);
2058
2059                                         if (opt_showdisassemble)
2060                                                 M_NOP;
2061                                 }
2062                         }
2063
2064                         M_ALD(REG_ITMP1, REG_PV, disp);
2065                         switch (fieldtype) {
2066                         case TYPE_INT:
2067                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2068                                 M_IST(s1, REG_ITMP1, 0);
2069                                 break;
2070                         case TYPE_LNG:
2071                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2072                                 M_LST(s1, REG_ITMP1, 0);
2073                                 break;
2074                         case TYPE_ADR:
2075                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
2076                                 M_AST(s1, REG_ITMP1, 0);
2077                                 break;
2078                         case TYPE_FLT:
2079                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
2080                                 M_FST(s1, REG_ITMP1, 0);
2081                                 break;
2082                         case TYPE_DBL:
2083                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
2084                                 M_DST(s1, REG_ITMP1, 0);
2085                                 break;
2086                         }
2087                         break;
2088
2089                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
2090                                           /* val = value (in current instruction)     */
2091                                           /* following NOP)                           */
2092
2093                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2094                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2095
2096                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2097
2098                                 disp = dseg_add_unique_address(cd, uf);
2099
2100                                 codegen_addpatchref(cd, PATCHER_get_putstatic, uf, disp);
2101
2102                                 if (opt_showdisassemble)
2103                                         M_NOP;
2104                         }
2105                         else {
2106                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2107
2108                                 fieldtype = fi->type;
2109
2110
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                                 disp = fi->offset;
2163                         }
2164
2165                         switch (fieldtype) {
2166                         case TYPE_INT:
2167                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2168                                 M_ILD(d, s1, disp);
2169                                 break;
2170                         case TYPE_LNG:
2171                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2172                                 M_LLD(d, s1, disp);
2173                                 break;
2174                         case TYPE_ADR:
2175                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2176                                 M_ALD(d, s1, disp);
2177                                 break;
2178                         case TYPE_FLT:
2179                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2180                                 M_FLD(d, s1, disp);
2181                                 break;
2182                         case TYPE_DBL:
2183                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2184                                 M_DLD(d, s1, disp);
2185                                 break;
2186                         }
2187                         emit_store_dst(jd, iptr, d);
2188                         break;
2189
2190                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
2191
2192                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2193                         gen_nullptr_check(s1);
2194
2195                         if (!IS_FLT_DBL_TYPE(fieldtype)) {
2196                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2197                         } else {
2198                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
2199                         }
2200
2201                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2202                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2203
2204                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2205
2206                                 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
2207
2208                                 if (opt_showdisassemble)
2209                                         M_NOP;
2210
2211                                 disp = 0;
2212                         }
2213                         else {
2214                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2215                                 disp = fi->offset;
2216                         }
2217
2218                         switch (fieldtype) {
2219                         case TYPE_INT:
2220                                 M_IST(s2, s1, disp);
2221                                 break;
2222                         case TYPE_LNG:
2223                                 M_LST(s2, s1, disp);
2224                                 break;
2225                         case TYPE_ADR:
2226                                 M_AST(s2, s1, disp);
2227                                 break;
2228                         case TYPE_FLT:
2229                                 M_FST(s2, s1, disp);
2230                                 break;
2231                         case TYPE_DBL:
2232                                 M_DST(s2, s1, disp);
2233                                 break;
2234                         }
2235                         break;
2236
2237                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
2238                                           /* val = value (in current instruction)     */
2239                                           /* following NOP)                           */
2240
2241                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2242                         gen_nullptr_check(s1);
2243
2244                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2245                                 unresolved_field *uf = iptr->sx.s23.s3.uf;
2246
2247                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2248
2249                                 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
2250
2251                                 if (opt_showdisassemble)
2252                                         M_NOP;
2253
2254                                 disp = 0;
2255                         }
2256                         else {
2257                                 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
2258
2259                                 fieldtype = fi->type;
2260
2261                                 disp = fi->offset;
2262                         }
2263
2264                         switch (fieldtype) {
2265                         case TYPE_INT:
2266                                 M_IST(REG_ZERO, s1, disp);
2267                                 break;
2268                         case TYPE_LNG:
2269                                 M_LST(REG_ZERO, s1, disp);
2270                                 break;
2271                         case TYPE_ADR:
2272                                 M_AST(REG_ZERO, s1, disp);
2273                                 break;
2274                         case TYPE_FLT:
2275                                 M_FST(REG_ZERO, s1, disp);
2276                                 break;
2277                         case TYPE_DBL:
2278                                 M_DST(REG_ZERO, s1, disp);
2279                                 break;
2280                         }
2281                         break;
2282
2283
2284                 /* branch operations **************************************************/
2285
2286                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2287
2288                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2289                         M_INTMOVE(s1, REG_ITMP1_XPTR);
2290
2291 #ifdef ENABLE_VERIFIER
2292                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2293                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2294
2295                                 codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
2296
2297                                 if (opt_showdisassemble)
2298                                         M_NOP;
2299                         }
2300 #endif /* ENABLE_VERIFIER */
2301
2302                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2303                         M_ALD(REG_ITMP2, REG_PV, disp);
2304                         M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2305                         M_NOP;              /* nop ensures that XPC is less than the end */
2306                                             /* of basic block                            */
2307                         ALIGNCODENOP;
2308                         break;
2309
2310                 case ICMD_GOTO:         /* ... ==> ...                                */
2311                         M_BR(0);
2312                         codegen_addreference(cd, iptr->dst.block);
2313                         ALIGNCODENOP;
2314                         break;
2315
2316                 case ICMD_JSR:          /* ... ==> ...                                */
2317
2318                         M_BSR(REG_ITMP1, 0);
2319                         codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
2320                         break;
2321
2322                 case ICMD_RET:          /* ... ==> ...                                */
2323                                         /* s1.localindex = local variable                       */
2324
2325                         var = &(rd->locals[iptr->s1.localindex][TYPE_ADR]);
2326                         if (var->flags & INMEMORY) {
2327                                 M_ALD(REG_ITMP1, REG_SP, 8 * var->regoff);
2328                                 M_RET(REG_ZERO, REG_ITMP1);
2329                                 }
2330                         else
2331                                 M_RET(REG_ZERO, var->regoff);
2332                         ALIGNCODENOP;
2333                         break;
2334
2335                 case ICMD_IFNULL:       /* ..., value ==> ...                         */
2336
2337                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2338                         M_BEQZ(s1, 0);
2339                         codegen_addreference(cd, iptr->dst.block);
2340                         break;
2341
2342                 case ICMD_IFNONNULL:    /* ..., value ==> ...                         */
2343
2344                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2345                         M_BNEZ(s1, 0);
2346                         codegen_addreference(cd, iptr->dst.block);
2347                         break;
2348
2349                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2350
2351                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2352                         if (iptr->sx.val.i == 0) {
2353                                 M_BEQZ(s1, 0);
2354                                 }
2355                         else {
2356                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2357                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2358                                         }
2359                                 else {
2360                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2361                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2362                                         }
2363                                 M_BNEZ(REG_ITMP1, 0);
2364                                 }
2365                         codegen_addreference(cd, iptr->dst.block);
2366                         break;
2367
2368                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2369
2370                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2371                         if (iptr->sx.val.i == 0) {
2372                                 M_BLTZ(s1, 0);
2373                                 }
2374                         else {
2375                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2376                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2377                                         }
2378                                 else {
2379                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2380                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2381                                         }
2382                                 M_BNEZ(REG_ITMP1, 0);
2383                                 }
2384                         codegen_addreference(cd, iptr->dst.block);
2385                         break;
2386
2387                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2388
2389                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2390                         if (iptr->sx.val.i == 0) {
2391                                 M_BLEZ(s1, 0);
2392                                 }
2393                         else {
2394                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2395                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2396                                         }
2397                                 else {
2398                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2399                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2400                                         }
2401                                 M_BNEZ(REG_ITMP1, 0);
2402                                 }
2403                         codegen_addreference(cd, iptr->dst.block);
2404                         break;
2405
2406                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2407
2408                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2409                         if (iptr->sx.val.i == 0) {
2410                                 M_BNEZ(s1, 0);
2411                                 }
2412                         else {
2413                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2414                                         M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2415                                         }
2416                                 else {
2417                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2418                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2419                                         }
2420                                 M_BEQZ(REG_ITMP1, 0);
2421                                 }
2422                         codegen_addreference(cd, iptr->dst.block);
2423                         break;
2424
2425                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2426
2427                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2428                         if (iptr->sx.val.i == 0) {
2429                                 M_BGTZ(s1, 0);
2430                                 }
2431                         else {
2432                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2433                                         M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2434                                         }
2435                                 else {
2436                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2437                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2438                                         }
2439                                 M_BEQZ(REG_ITMP1, 0);
2440                                 }
2441                         codegen_addreference(cd, iptr->dst.block);
2442                         break;
2443
2444                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2445
2446                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2447                         if (iptr->sx.val.i == 0) {
2448                                 M_BGEZ(s1, 0);
2449                                 }
2450                         else {
2451                                 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255)) {
2452                                         M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2453                                         }
2454                                 else {
2455                                         ICONST(REG_ITMP2, iptr->sx.val.i);
2456                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2457                                         }
2458                                 M_BEQZ(REG_ITMP1, 0);
2459                                 }
2460                         codegen_addreference(cd, iptr->dst.block);
2461                         break;
2462
2463                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2464
2465                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2466                         if (iptr->sx.val.l == 0) {
2467                                 M_BEQZ(s1, 0);
2468                                 }
2469                         else {
2470                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2471                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2472                                         }
2473                                 else {
2474                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2475                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2476                                         }
2477                                 M_BNEZ(REG_ITMP1, 0);
2478                                 }
2479                         codegen_addreference(cd, iptr->dst.block);
2480                         break;
2481
2482                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2483
2484                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2485                         if (iptr->sx.val.l == 0) {
2486                                 M_BLTZ(s1, 0);
2487                                 }
2488                         else {
2489                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2490                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2491                                         }
2492                                 else {
2493                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2494                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2495                                         }
2496                                 M_BNEZ(REG_ITMP1, 0);
2497                                 }
2498                         codegen_addreference(cd, iptr->dst.block);
2499                         break;
2500
2501                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2502
2503                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2504                         if (iptr->sx.val.l == 0) {
2505                                 M_BLEZ(s1, 0);
2506                                 }
2507                         else {
2508                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2509                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2510                                         }
2511                                 else {
2512                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2513                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2514                                         }
2515                                 M_BNEZ(REG_ITMP1, 0);
2516                                 }
2517                         codegen_addreference(cd, iptr->dst.block);
2518                         break;
2519
2520                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2521
2522                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2523                         if (iptr->sx.val.l == 0) {
2524                                 M_BNEZ(s1, 0);
2525                                 }
2526                         else {
2527                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2528                                         M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2529                                         }
2530                                 else {
2531                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2532                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2533                                         }
2534                                 M_BEQZ(REG_ITMP1, 0);
2535                                 }
2536                         codegen_addreference(cd, iptr->dst.block);
2537                         break;
2538
2539                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2540
2541                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2542                         if (iptr->sx.val.l == 0) {
2543                                 M_BGTZ(s1, 0);
2544                                 }
2545                         else {
2546                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2547                                         M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2548                                         }
2549                                 else {
2550                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2551                                         M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2552                                         }
2553                                 M_BEQZ(REG_ITMP1, 0);
2554                                 }
2555                         codegen_addreference(cd, iptr->dst.block);
2556                         break;
2557
2558                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2559
2560                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2561                         if (iptr->sx.val.l == 0) {
2562                                 M_BGEZ(s1, 0);
2563                                 }
2564                         else {
2565                                 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255)) {
2566                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2567                                         }
2568                                 else {
2569                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2570                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2571                                         }
2572                                 M_BEQZ(REG_ITMP1, 0);
2573                                 }
2574                         codegen_addreference(cd, iptr->dst.block);
2575                         break;
2576
2577                 case ICMD_IF_ICMPEQ:    /* ..., value, value ==> ...                  */
2578                 case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
2579                 case ICMD_IF_ACMPEQ:
2580
2581                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2582                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2583                         M_CMPEQ(s1, s2, REG_ITMP1);
2584                         M_BNEZ(REG_ITMP1, 0);
2585                         codegen_addreference(cd, iptr->dst.block);
2586                         break;
2587
2588                 case ICMD_IF_ICMPNE:    /* ..., value, value ==> ...                  */
2589                 case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
2590                 case ICMD_IF_ACMPNE:
2591
2592                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2593                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2594                         M_CMPEQ(s1, s2, REG_ITMP1);
2595                         M_BEQZ(REG_ITMP1, 0);
2596                         codegen_addreference(cd, iptr->dst.block);
2597                         break;
2598
2599                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2600                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2601
2602                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2603                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2604                         M_CMPLT(s1, s2, REG_ITMP1);
2605                         M_BNEZ(REG_ITMP1, 0);
2606                         codegen_addreference(cd, iptr->dst.block);
2607                         break;
2608
2609                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2610                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2611
2612                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2613                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2614                         M_CMPLE(s1, s2, REG_ITMP1);
2615                         M_BEQZ(REG_ITMP1, 0);
2616                         codegen_addreference(cd, iptr->dst.block);
2617                         break;
2618
2619                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2620                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2621
2622                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2623                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2624                         M_CMPLE(s1, s2, REG_ITMP1);
2625                         M_BNEZ(REG_ITMP1, 0);
2626                         codegen_addreference(cd, iptr->dst.block);
2627                         break;
2628
2629                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2630                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2631
2632                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2633                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2634                         M_CMPLT(s1, s2, REG_ITMP1);
2635                         M_BEQZ(REG_ITMP1, 0);
2636                         codegen_addreference(cd, iptr->dst.block);
2637                         break;
2638
2639
2640                 case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
2641                 case ICMD_LRETURN:
2642
2643                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2644                         M_INTMOVE(s1, REG_RESULT);
2645                         goto nowperformreturn;
2646
2647                 case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
2648
2649                         s1 = emit_load_s1(jd, iptr, REG_RESULT);
2650                         M_INTMOVE(s1, REG_RESULT);
2651
2652 #ifdef ENABLE_VERIFIER
2653                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2654                                 unresolved_class *uc = iptr->sx.s23.s2.uc;
2655
2656                                 codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
2657
2658                                 if (opt_showdisassemble)
2659                                         M_NOP;
2660                         }
2661 #endif /* ENABLE_VERIFIER */
2662                         goto nowperformreturn;
2663
2664                 case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
2665                 case ICMD_DRETURN:
2666
2667                         s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2668                         M_FLTMOVE(s1, REG_FRESULT);
2669                         goto nowperformreturn;
2670
2671                 case ICMD_RETURN:       /* ...  ==> ...                               */
2672
2673 nowperformreturn:
2674                         {
2675                         s4 i, p;
2676
2677                         p = cd->stackframesize;
2678
2679                         /* call trace function */
2680
2681 #if !defined(NDEBUG)
2682                         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2683                                 emit_verbosecall_exit(jd);
2684 #endif
2685
2686 #if defined(ENABLE_THREADS)
2687                         if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2688                                 M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 8);
2689
2690                                 switch (iptr->opc) {
2691                                 case ICMD_IRETURN:
2692                                 case ICMD_LRETURN:
2693                                 case ICMD_ARETURN:
2694                                         M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2695                                         break;
2696                                 case ICMD_FRETURN:
2697                                 case ICMD_DRETURN:
2698                                         M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2699                                         break;
2700                                 }
2701
2702                                 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2703                                 M_ALD(REG_PV, REG_PV, disp);
2704                                 M_JSR(REG_RA, REG_PV);
2705                                 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2706                                 M_LDA(REG_PV, REG_RA, disp);
2707
2708                                 switch (iptr->opc) {
2709                                 case ICMD_IRETURN:
2710                                 case ICMD_LRETURN:
2711                                 case ICMD_ARETURN:
2712                                         M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2713                                         break;
2714                                 case ICMD_FRETURN:
2715                                 case ICMD_DRETURN:
2716                                         M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2717                                         break;
2718                                 }
2719                         }
2720 #endif
2721
2722                         /* restore return address                                         */
2723
2724                         if (!jd->isleafmethod) {
2725                                 p--; M_LLD(REG_RA, REG_SP, p * 8);
2726                         }
2727
2728                         /* restore saved registers                                        */
2729
2730                         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2731                                 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2732                         }
2733                         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2734                                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2735                         }
2736
2737                         /* deallocate stack                                               */
2738
2739                         if (cd->stackframesize)
2740                                 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2741
2742                         M_RET(REG_ZERO, REG_RA);
2743                         ALIGNCODENOP;
2744                         }
2745                         break;
2746
2747
2748                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2749                         {
2750                         s4 i, l;
2751                         branch_target_t *table;
2752
2753                         table = iptr->dst.table;
2754
2755                         l = iptr->sx.s23.s2.tablelow;
2756                         i = iptr->sx.s23.s3.tablehigh;
2757
2758                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2759                         if (l == 0) {
2760                                 M_INTMOVE(s1, REG_ITMP1);
2761                         } else if (l <= 32768) {
2762                                 M_LDA(REG_ITMP1, s1, -l);
2763                         } else {
2764                                 ICONST(REG_ITMP2, l);
2765                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2766                         }
2767
2768                         /* number of targets */
2769                         i = i - l + 1;
2770
2771                         /* range check */
2772
2773                         if (i <= 256)
2774                                 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2775                         else {
2776                                 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2777                                 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2778                         }
2779                         M_BEQZ(REG_ITMP2, 0);
2780                         codegen_addreference(cd, table[0].block);
2781
2782                         /* build jump table top down and use address of lowest entry */
2783
2784                         table += i;
2785
2786                         while (--i >= 0) {
2787                                 dseg_add_target(cd, table->block);
2788                                 --table;
2789                         }
2790                         }
2791
2792                         /* length of dataseg after last dseg_add_target is used by load */
2793
2794                         M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2795                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2796                         M_JMP(REG_ZERO, REG_ITMP2);
2797                         ALIGNCODENOP;
2798                         break;
2799
2800
2801                 case ICMD_LOOKUPSWITCH: /* ..., key ==> ...                           */
2802                         {
2803                         s4 i, val;
2804                         lookup_target_t *lookup;
2805
2806                         lookup = iptr->dst.lookup;
2807
2808                         i = iptr->sx.s23.s2.lookupcount;
2809
2810                         MCODECHECK((i<<2)+8);
2811                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2812
2813                         while (--i >= 0) {
2814                                 val = lookup->value;
2815                                 if ((val >= 0) && (val <= 255)) {
2816                                         M_CMPEQ_IMM(s1, val, REG_ITMP2);
2817                                 } else {
2818                                         if ((val >= -32768) && (val <= 32767)) {
2819                                                 M_LDA(REG_ITMP2, REG_ZERO, val);
2820                                         } else {
2821                                                 disp = dseg_add_s4(cd, val);
2822                                                 M_ILD(REG_ITMP2, REG_PV, disp);
2823                                         }
2824                                         M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2825                                 }
2826                                 M_BNEZ(REG_ITMP2, 0);
2827                                 codegen_addreference(cd, lookup->target.block);
2828                                 lookup++;
2829                         }
2830
2831                         M_BR(0);
2832
2833                         codegen_addreference(cd, iptr->sx.s23.s3.lookupdefault.block);
2834
2835                         ALIGNCODENOP;
2836                         break;
2837                         }
2838
2839
2840                 case ICMD_BUILTIN:      /* ..., arg1, arg2, arg3 ==> ...              */
2841
2842                         bte = iptr->sx.s23.s3.bte;
2843                         md = bte->md;
2844                         goto gen_method;
2845
2846                 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
2847
2848                 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2849                 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
2850                 case ICMD_INVOKEINTERFACE:
2851
2852                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2853                                 md = iptr->sx.s23.s3.um->methodref->parseddesc.md;
2854                                 lm = NULL;
2855                         }
2856                         else {
2857                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2858                                 md = lm->parseddesc;
2859                         }
2860
2861 gen_method:
2862                         s3 = md->paramcount;
2863
2864                         MCODECHECK((s3 << 1) + 64);
2865
2866                         /* copy arguments to registers or stack location                  */
2867
2868                         for (s3 = s3 - 1; s3 >= 0; s3--) {
2869                                 src = iptr->sx.s23.s2.args[s3];
2870
2871                                 if (src->varkind == ARGVAR)
2872                                         continue;
2873                                 if (IS_INT_LNG_TYPE(src->type)) {
2874                                         if (!md->params[s3].inmemory) {
2875                                                 s1 = rd->argintregs[md->params[s3].regoff];
2876                                                 d = emit_load(jd, iptr, src, s1);
2877                                                 M_INTMOVE(d, s1);
2878                                         } else {
2879                                                 d = emit_load(jd, iptr, src, REG_ITMP1);
2880                                                 M_LST(d, REG_SP, md->params[s3].regoff * 8);
2881                                         }
2882
2883                                 } else {
2884                                         if (!md->params[s3].inmemory) {
2885                                                 s1 = rd->argfltregs[md->params[s3].regoff];
2886                                                 d = emit_load(jd, iptr, src, s1);
2887                                                 M_FLTMOVE(d, s1);
2888                                         } else {
2889                                                 d = emit_load(jd, iptr, src, REG_FTMP1);
2890                                                 M_DST(d, REG_SP, md->params[s3].regoff * 8);
2891                                         }
2892                                 }
2893                         }
2894
2895                         switch (iptr->opc) {
2896                         case ICMD_BUILTIN:
2897                                 disp = dseg_add_functionptr(cd, bte->fp);
2898                                 d = md->returntype.type;
2899
2900                                 M_ALD(REG_PV, REG_PV, disp);  /* Pointer to built-in-function */
2901                                 M_JSR(REG_RA, REG_PV);
2902                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2903                                 M_LDA(REG_PV, REG_RA, -disp);
2904
2905
2906                                 if (INSTRUCTION_MUST_CHECK(iptr)) {
2907                                         M_BEQZ(REG_RESULT, 0);
2908                                         codegen_add_fillinstacktrace_ref(cd);
2909                                 }
2910                                 break;
2911
2912                         case ICMD_INVOKESPECIAL:
2913                                 M_BEQZ(rd->argintregs[0], 0);
2914                                 codegen_add_nullpointerexception_ref(cd);
2915                                 /* fall through */
2916
2917                         case ICMD_INVOKESTATIC:
2918                                 if (lm == NULL) {
2919                                         unresolved_method *um = iptr->sx.s23.s3.um;
2920
2921                                         disp = dseg_add_unique_address(cd, um);
2922
2923                                         codegen_addpatchref(cd, PATCHER_invokestatic_special,
2924                                                                                 um, disp);
2925
2926                                         if (opt_showdisassemble)
2927                                                 M_NOP;
2928
2929                                         d = um->methodref->parseddesc.md->returntype.type;
2930                                 }
2931                                 else {
2932                                         disp = dseg_add_address(cd, lm->stubroutine);
2933                                         d = lm->parseddesc->returntype.type;
2934                                 }
2935
2936                                 M_ALD(REG_PV, REG_PV, disp);         /* method pointer in r27 */
2937                                 M_JSR(REG_RA, REG_PV);
2938                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2939                                 M_LDA(REG_PV, REG_RA, -disp);
2940                                 break;
2941
2942                         case ICMD_INVOKEVIRTUAL:
2943                                 gen_nullptr_check(rd->argintregs[0]);
2944
2945                                 if (lm == NULL) {
2946                                         unresolved_method *um = iptr->sx.s23.s3.um;
2947
2948                                         codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
2949
2950                                         if (opt_showdisassemble)
2951                                                 M_NOP;
2952
2953                                         s1 = 0;
2954                                         d = um->methodref->parseddesc.md->returntype.type;
2955                                 }
2956                                 else {
2957                                         s1 = OFFSET(vftbl_t, table[0]) +
2958                                                 sizeof(methodptr) * lm->vftblindex;
2959                                         d = lm->parseddesc->returntype.type;
2960                                 }
2961
2962                                 M_ALD(REG_METHODPTR, rd->argintregs[0],
2963                                           OFFSET(java_objectheader, vftbl));
2964                                 M_ALD(REG_PV, REG_METHODPTR, s1);
2965                                 M_JSR(REG_RA, REG_PV);
2966                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2967                                 M_LDA(REG_PV, REG_RA, -disp);
2968                                 break;
2969
2970                         case ICMD_INVOKEINTERFACE:
2971                                 gen_nullptr_check(rd->argintregs[0]);
2972
2973                                 if (lm == NULL) {
2974                                         unresolved_method *um = iptr->sx.s23.s3.um;
2975
2976                                         codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
2977
2978                                         if (opt_showdisassemble)
2979                                                 M_NOP;
2980
2981                                         s1 = 0;
2982                                         s2 = 0;
2983                                         d = um->methodref->parseddesc.md->returntype.type;
2984                                 }
2985                                 else {
2986                                         s1 = OFFSET(vftbl_t, interfacetable[0]) -
2987                                                 sizeof(methodptr*) * lm->class->index;
2988
2989                                         s2 = sizeof(methodptr) * (lm - lm->class->methods);
2990
2991                                         d = lm->parseddesc->returntype.type;
2992                                 }
2993
2994                                 M_ALD(REG_METHODPTR, rd->argintregs[0],
2995                                           OFFSET(java_objectheader, vftbl));
2996                                 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2997                                 M_ALD(REG_PV, REG_METHODPTR, s2);
2998                                 M_JSR(REG_RA, REG_PV);
2999                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3000                                 M_LDA(REG_PV, REG_RA, -disp);
3001                                 break;
3002                         }
3003
3004                         /* d contains return type */
3005
3006                         if (d != TYPE_VOID) {
3007                                 if (IS_INT_LNG_TYPE(d)) {
3008                                         s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3009                                         M_INTMOVE(REG_RESULT, s1);
3010 /*                                      emit_store_dst(jd, iptr, s1); */
3011                                 } else {
3012                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
3013                                         M_FLTMOVE(REG_FRESULT, s1);
3014 /*                                      emit_store_dst(jd, iptr, s1); */
3015                                 }
3016                                 emit_store_dst(jd, iptr, s1);
3017                         }
3018                         break;
3019
3020
3021                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
3022
3023                                       /* val.a: (classinfo*) superclass               */
3024
3025                         /*  superclass is an interface:
3026                          *
3027                          *  OK if ((sub == NULL) ||
3028                          *         (sub->vftbl->interfacetablelength > super->index) &&
3029                          *         (sub->vftbl->interfacetable[-super->index] != NULL));
3030                          *
3031                          *  superclass is a class:
3032                          *
3033                          *  OK if ((sub == NULL) || (0
3034                          *         <= (sub->vftbl->baseval - super->vftbl->baseval) <=
3035                          *         super->vftbl->diffval));
3036                          */
3037
3038                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
3039                                 /* object type cast-check */
3040
3041                                 classinfo *super;
3042                                 vftbl_t   *supervftbl;
3043                                 s4         superindex;
3044
3045                                 super = iptr->sx.s23.s3.c.cls;
3046
3047                                 if (super == NULL) {
3048                                         superindex = 0;
3049                                         supervftbl = NULL;
3050                                 }
3051                                 else {
3052                                         superindex = super->index;
3053                                         supervftbl = super->vftbl;
3054                                 }
3055
3056 #if defined(ENABLE_THREADS)
3057                                 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3058 #endif
3059                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3060
3061                                 /* calculate interface checkcast code size */
3062
3063                                 s2 = 6;
3064                                 if (super == NULL)
3065                                         s2 += opt_showdisassemble ? 1 : 0;
3066
3067                                 /* calculate class checkcast code size */
3068
3069                                 s3 = 9 /* 8 + (s1 == REG_ITMP1) */;
3070                                 if (super == NULL)
3071                                         s3 += opt_showdisassemble ? 1 : 0;
3072
3073                                 /* if class is not resolved, check which code to call */
3074
3075                                 if (super == NULL) {
3076                                         M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3077
3078                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
3079
3080                                         codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
3081                                                                                 iptr->sx.s23.s3.c.ref,
3082                                                                                 disp);
3083
3084                                         if (opt_showdisassemble)
3085                                                 M_NOP;
3086
3087                                         M_ILD(REG_ITMP2, REG_PV, disp);
3088                                         disp = dseg_add_s4(cd, ACC_INTERFACE);
3089                                         M_ILD(REG_ITMP3, REG_PV, disp);
3090                                         M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
3091                                         M_BEQZ(REG_ITMP2, s2 + 1);
3092                                 }
3093
3094                                 /* interface checkcast code */
3095
3096                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
3097                                         if (super == NULL) {
3098                                                 codegen_addpatchref(cd,
3099                                                                                         PATCHER_checkcast_instanceof_interface,
3100                                                                                         iptr->sx.s23.s3.c.ref,
3101                                                                                         0);
3102
3103                                                 if (opt_showdisassemble)
3104                                                         M_NOP;
3105                                         }
3106                                         else
3107                                                 M_BEQZ(s1, s2);
3108
3109                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3110                                         M_ILD(REG_ITMP3, REG_ITMP2,
3111                                                   OFFSET(vftbl_t, interfacetablelength));
3112                                         M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
3113                                         M_BLEZ(REG_ITMP3, 0);
3114                                         codegen_add_classcastexception_ref(cd, s1);
3115                                         M_ALD(REG_ITMP3, REG_ITMP2,
3116                                                   (s4) (OFFSET(vftbl_t, interfacetable[0]) -
3117                                                                 superindex * sizeof(methodptr*)));
3118                                         M_BEQZ(REG_ITMP3, 0);
3119                                         codegen_add_classcastexception_ref(cd, s1);
3120
3121                                         if (super == NULL)
3122                                                 M_BR(s3);
3123                                 }
3124
3125                                 /* class checkcast code */
3126
3127                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
3128                                         if (super == NULL) {
3129                                                 disp = dseg_add_unique_address(cd, NULL);
3130
3131                                                 codegen_addpatchref(cd,
3132                                                                                         PATCHER_resolve_classref_to_vftbl,
3133                                                                                         iptr->sx.s23.s3.c.ref,
3134                                                                                         disp);
3135
3136                                                 if (opt_showdisassemble)
3137                                                         M_NOP;
3138                                         }
3139                                         else {
3140                                                 disp = dseg_add_address(cd, supervftbl);
3141
3142                                                 M_BEQZ(s1, s3);
3143                                         }
3144
3145                                         M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3146                                         M_ALD(REG_ITMP3, REG_PV, disp);
3147 #if defined(ENABLE_THREADS)
3148                                         codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3149 #endif
3150                                         M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
3151                                         /*                              if (s1 != REG_ITMP1) { */
3152                                         /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
3153                                         /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
3154                                         /*  #if defined(ENABLE_THREADS) */
3155                                         /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
3156                                         /*  #endif */
3157                                         /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
3158
3159                                         /*                              } else { */
3160                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
3161                                         M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
3162                                         M_ALD(REG_ITMP3, REG_PV, disp);
3163                                         M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
3164 #if defined(ENABLE_THREADS)
3165                                         codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3166 #endif
3167                                         /*                              } */
3168                                         M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
3169                                         M_BEQZ(REG_ITMP3, 0);
3170                                         codegen_add_classcastexception_ref(cd, s1);
3171                                 }
3172
3173                                 d = codegen_reg_of_dst(jd, iptr, s1);
3174                         }
3175                         else {
3176                                 /* array type cast-check */
3177
3178                                 s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
3179                                 M_INTMOVE(s1, rd->argintregs[0]);
3180
3181                                 disp = dseg_addaddress(cd, iptr->sx.s23.s3.c.cls);
3182
3183                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3184                                         codegen_addpatchref(cd,
3185                                                                                 PATCHER_resolve_classref_to_classinfo,
3186                                                                                 iptr->sx.s23.s3.c.ref,
3187                                                                                 disp);
3188
3189                                         if (opt_showdisassemble)
3190                                                 M_NOP;
3191                                 }
3192
3193                                 M_ALD(rd->argintregs[1], REG_PV, disp);
3194                                 disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
3195                                 M_ALD(REG_PV, REG_PV, disp);
3196                                 M_JSR(REG_RA, REG_PV);
3197                                 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3198                                 M_LDA(REG_PV, REG_RA, -disp);
3199
3200                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3201                                 M_BEQZ(REG_RESULT, 0);
3202                                 codegen_add_classcastexception_ref(cd, s1);
3203
3204                                 d = codegen_reg_of_dst(jd, iptr, s1);
3205                         }
3206
3207                         M_INTMOVE(s1, d);
3208                         emit_store_dst(jd, iptr, d);
3209                         break;
3210
3211                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
3212
3213                                       /* val.a: (classinfo*) superclass               */
3214
3215                         /*  superclass is an interface:
3216                          *
3217                          *  return (sub != NULL) &&
3218                          *         (sub->vftbl->interfacetablelength > super->index) &&
3219                          *         (sub->vftbl->interfacetable[-super->index] != NULL);
3220                          *
3221                          *  superclass is a class:
3222                          *
3223                          *  return ((sub != NULL) && (0
3224                          *          <= (sub->vftbl->baseval - super->vftbl->baseval) <=
3225                          *          super->vftbl->diffvall));
3226                          */
3227
3228                         {
3229                         classinfo *super;
3230                         vftbl_t   *supervftbl;
3231                         s4         superindex;
3232
3233                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3234                                 super = NULL;
3235                                 superindex = 0;
3236                                 supervftbl = NULL;
3237
3238                         } else {
3239                                 super = iptr->sx.s23.s3.c.cls;
3240                                 superindex = super->index;
3241                                 supervftbl = super->vftbl;
3242                         }
3243
3244 #if defined(ENABLE_THREADS)
3245                         codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3246 #endif
3247                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
3248                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
3249                         if (s1 == d) {
3250                                 M_MOV(s1, REG_ITMP1);
3251                                 s1 = REG_ITMP1;
3252                         }
3253
3254                         /* calculate interface instanceof code size */
3255
3256                         s2 = 6;
3257                         if (super == NULL)
3258                                 s2 += (d == REG_ITMP2 ? 1 : 0) + (opt_showdisassemble ? 1 : 0);
3259
3260                         /* calculate class instanceof code size */
3261
3262                         s3 = 7;
3263                         if (super == NULL)
3264                                 s3 += (opt_showdisassemble ? 1 : 0);
3265
3266                         /* if class is not resolved, check which code to call */
3267
3268                         if (super == NULL) {
3269                                 M_CLR(d);
3270                                 M_BEQZ(s1, 4 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3271
3272                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
3273
3274                                 codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags,
3275                                                                         iptr->sx.s23.s3.c.ref, disp);
3276
3277                                 if (opt_showdisassemble)
3278                                         M_NOP;
3279
3280                                 M_ILD(REG_ITMP3, REG_PV, disp);
3281
3282                                 disp = dseg_add_s4(cd, ACC_INTERFACE);
3283                                 M_ILD(REG_ITMP2, REG_PV, disp);
3284                                 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
3285                                 M_BEQZ(REG_ITMP3, s2 + 1);
3286                         }
3287
3288                         /* interface instanceof code */
3289
3290                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
3291                                 if (super == NULL) {
3292                                         /* If d == REG_ITMP2, then it's destroyed in check
3293                                            code above. */
3294                                         if (d == REG_ITMP2)
3295                                                 M_CLR(d);
3296
3297                                         codegen_addpatchref(cd,
3298                                                                                 PATCHER_checkcast_instanceof_interface,
3299                                                                                 iptr->sx.s23.s3.c.ref, 0);
3300
3301                                         if (opt_showdisassemble)
3302                                                 M_NOP;
3303                                 }
3304                                 else {
3305                                         M_CLR(d);
3306                                         M_BEQZ(s1, s2);
3307                                 }
3308
3309                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3310                                 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
3311                                 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
3312                                 M_BLEZ(REG_ITMP3, 2);
3313                                 M_ALD(REG_ITMP1, REG_ITMP1,
3314                                           (s4) (OFFSET(vftbl_t, interfacetable[0]) -
3315                                                         superindex * sizeof(methodptr*)));
3316                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
3317
3318                                 if (super == NULL)
3319                                         M_BR(s3);
3320                         }
3321
3322                         /* class instanceof code */
3323
3324                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
3325                                 if (super == NULL) {
3326                                         disp = dseg_add_unique_address(cd, NULL);
3327
3328                                         codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl,
3329                                                                                 iptr->sx.s23.s3.c.ref,
3330                                                                                 disp);
3331
3332                                         if (opt_showdisassemble)
3333                                                 M_NOP;
3334                                 }
3335                                 else {
3336                                         disp = dseg_add_address(cd, supervftbl);
3337
3338                                         M_CLR(d);
3339                                         M_BEQZ(s1, s3);
3340                                 }
3341
3342                                 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3343                                 M_ALD(REG_ITMP2, REG_PV, disp);
3344 #if defined(ENABLE_THREADS)
3345                                 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3346 #endif
3347                                 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
3348                                 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3349                                 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3350 #if defined(ENABLE_THREADS)
3351                                 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3352 #endif
3353                                 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3354                                 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
3355                         }
3356                         emit_store_dst(jd, iptr, d);
3357                         }
3358                         break;
3359
3360                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
3361
3362                         /* check for negative sizes and copy sizes to stack if necessary  */
3363
3364                         MCODECHECK((iptr->s1.argcount << 1) + 64);
3365
3366                         for (s1 = iptr->s1.argcount; --s1 >= 0; src = src->prev) {
3367                                 /* copy SAVEDVAR sizes to stack */
3368
3369                                 if (src->varkind != ARGVAR) {
3370                                         s2 = emit_load(jd, iptr, src, REG_ITMP1);
3371                                         M_LST(s2, REG_SP, s1 * 8);
3372                                 }
3373                         }
3374
3375                         /* a0 = dimension count */
3376
3377                         ICONST(rd->argintregs[0], iptr->s1.argcount);
3378
3379                         /* is patcher function set? */
3380
3381                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3382                                 disp = dseg_add_unique_address(cd, 0);
3383
3384                                 codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo,
3385                                                                         iptr->sx.s23.s3.c.ref,
3386                                                                         disp);
3387
3388                                 if (opt_showdisassemble)
3389                                         M_NOP;
3390                         }
3391                         else
3392                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3393
3394                         /* a1 = arraydescriptor */
3395
3396                         M_ALD(rd->argintregs[1], REG_PV, disp);
3397
3398                         /* a2 = pointer to dimensions = stack pointer */
3399
3400                         M_INTMOVE(REG_SP, rd->argintregs[2]);
3401
3402                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3403                         M_ALD(REG_PV, REG_PV, disp);
3404                         M_JSR(REG_RA, REG_PV);
3405                         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3406                         M_LDA(REG_PV, REG_RA, -disp);
3407
3408                         /* check for exception before result assignment */
3409
3410                         M_BEQZ(REG_RESULT, 0);
3411                         codegen_add_fillinstacktrace_ref(cd);
3412
3413                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3414                         M_INTMOVE(REG_RESULT, d);
3415                         emit_store_dst(jd, iptr, d);
3416                         break;
3417
3418                 default:
3419                         *exceptionptr =
3420                                 new_internalerror("Unknown ICMD %d", iptr->opc);
3421                         return false;
3422         } /* switch */
3423
3424         } /* for instruction */
3425
3426         /* copy values to interface registers */
3427
3428         src = bptr->outstack;
3429         len = bptr->outdepth;
3430         MCODECHECK(64+len);
3431 #if defined(ENABLE_LSRA)
3432         if (!opt_lsra)
3433 #endif
3434         while (src) {
3435                 len--;
3436                 if ((src->varkind != STACKVAR)) {
3437                         s2 = src->type;
3438                         if (IS_FLT_DBL_TYPE(s2)) {
3439                                 /* XXX can be one call */
3440                                 s1 = emit_load(jd, NULL, src, REG_FTMP1);
3441                                 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3442                                         M_FLTMOVE(s1,rd->interfaces[len][s2].regoff);
3443                                         }
3444                                 else {
3445                                         M_DST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
3446                                         }
3447                                 }
3448                         else {
3449                                 /* XXX can be one call */
3450                                 s1 = emit_load(jd, NULL, src, REG_ITMP1);
3451                                 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3452                                         M_INTMOVE(s1,rd->interfaces[len][s2].regoff);
3453                                         }
3454                                 else {
3455                                         M_LST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
3456                                         }
3457                                 }
3458                         }
3459                 src = src->prev;
3460                 }
3461         } /* if (bptr -> flags >= BBREACHED) */
3462         } /* for basic block */
3463
3464         dseg_createlinenumbertable(cd);
3465
3466         /* generate stubs */
3467
3468         emit_exception_stubs(jd);
3469         emit_patcher_stubs(jd);
3470         emit_replacement_stubs(jd);
3471
3472         codegen_finish(jd);
3473
3474         /* everything's ok */
3475
3476         return true;
3477 }
3478
3479
3480 /* createcompilerstub **********************************************************
3481
3482    Creates a stub routine which calls the compiler.
3483
3484 *******************************************************************************/
3485
3486 #define COMPILERSTUB_DATASIZE    3 * SIZEOF_VOID_P
3487 #define COMPILERSTUB_CODESIZE    3 * 4
3488
3489 #define COMPILERSTUB_SIZE        COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
3490
3491
3492 u1 *createcompilerstub(methodinfo *m)
3493 {
3494         u1          *s;                     /* memory to hold the stub            */
3495         ptrint      *d;
3496         codeinfo    *code;
3497         codegendata *cd;
3498         s4           dumpsize;              /* code generation pointer            */
3499
3500         s = CNEW(u1, COMPILERSTUB_SIZE);
3501
3502         /* set data pointer and code pointer */
3503
3504         d = (ptrint *) s;
3505         s = s + COMPILERSTUB_DATASIZE;
3506
3507         /* mark start of dump memory area */
3508
3509         dumpsize = dump_size();
3510
3511         cd = DNEW(codegendata);
3512         cd->mcodeptr = s;
3513
3514         /* Store the codeinfo pointer in the same place as in the
3515            methodheader for compiled methods. */
3516
3517         code = code_codeinfo_new(m);
3518
3519         d[0] = (ptrint) asm_call_jit_compiler;
3520         d[1] = (ptrint) m;
3521         d[2] = (ptrint) code;
3522
3523         /* code for the stub */
3524
3525         M_ALD(REG_ITMP1, REG_PV, -2 * 8);   /* load codeinfo pointer              */
3526         M_ALD(REG_PV, REG_PV, -3 * 8);      /* load pointer to the compiler       */
3527         M_JMP(REG_ZERO, REG_PV);            /* jump to the compiler               */
3528
3529 #if defined(ENABLE_STATISTICS)
3530         if (opt_stat)
3531                 count_cstub_len += COMPILERSTUB_SIZE;
3532 #endif
3533
3534         /* release dump area */
3535
3536         dump_release(dumpsize);
3537
3538         return s;
3539 }
3540
3541
3542 /* createnativestub ************************************************************
3543
3544    Creates a stub routine which calls a native method.
3545
3546 *******************************************************************************/
3547
3548 u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
3549 {
3550         methodinfo   *m;
3551         codeinfo     *code;
3552         codegendata  *cd;
3553         registerdata *rd;
3554         methoddesc   *md;
3555         s4            nativeparams;
3556         s4            i, j;                 /* count variables                    */
3557         s4            t;
3558         s4            s1, s2, disp;
3559         s4            funcdisp;             /* displacement of the function       */
3560
3561         /* get required compiler data */
3562
3563         m    = jd->m;
3564         code = jd->code;
3565         cd   = jd->cd;
3566         rd   = jd->rd;
3567
3568         /* initialize variables */
3569
3570         md = m->parseddesc;
3571         nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3572
3573         /* calculate stack frame size */
3574
3575         cd->stackframesize =
3576                 1 +                             /* return address                     */
3577                 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3578                 sizeof(localref_table) / SIZEOF_VOID_P +
3579                 1 +                             /* methodinfo for call trace          */
3580                 (md->paramcount > INT_ARG_CNT ? INT_ARG_CNT : md->paramcount) +
3581                 nmd->memuse;
3582
3583         /* create method header */
3584
3585         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3586         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3587         (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
3588         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3589         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3590         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3591         (void) dseg_addlinenumbertablesize(cd);
3592         (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
3593
3594         /* generate stub code */
3595
3596         M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3597         M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3598
3599         /* call trace function */
3600
3601 #if !defined(NDEBUG)
3602         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3603                 emit_verbosecall_enter(jd);
3604 #endif
3605
3606         /* get function address (this must happen before the stackframeinfo) */
3607
3608         funcdisp = dseg_add_functionptr(cd, f);
3609
3610 #if !defined(WITH_STATIC_CLASSPATH)
3611         if (f == NULL) {
3612                 codegen_addpatchref(cd, PATCHER_resolve_native_function, m, funcdisp);
3613
3614                 if (opt_showdisassemble)
3615                         M_NOP;
3616         }
3617 #endif
3618
3619         /* save integer and float argument registers */
3620
3621         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3622                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3623                         M_LST(rd->argintregs[i], REG_SP, j * 8);
3624                         j++;
3625                 }
3626         }
3627
3628         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3629                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3630                         M_DST(rd->argfltregs[i], REG_SP, j * 8);
3631                         j++;
3632                 }
3633         }
3634
3635         /* prepare data structures for native function call */
3636
3637         M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3638         M_MOV(REG_PV, rd->argintregs[1]);
3639         M_LDA(rd->argintregs[2], REG_SP, cd->stackframesize * 8);
3640         M_ALD(rd->argintregs[3], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3641         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3642         M_ALD(REG_PV, REG_PV, disp);
3643         M_JSR(REG_RA, REG_PV);
3644         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3645         M_LDA(REG_PV, REG_RA, -disp);
3646
3647         /* restore integer and float argument registers */
3648
3649         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3650                 if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
3651                         M_LLD(rd->argintregs[i], REG_SP, j * 8);
3652                         j++;
3653                 }
3654         }
3655
3656         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3657                 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3658                         M_DLD(rd->argfltregs[i], REG_SP, j * 8);
3659                         j++;
3660                 }
3661         }
3662
3663         /* copy or spill arguments to new locations */
3664
3665         for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3666                 t = md->paramtypes[i].type;
3667
3668                 if (IS_INT_LNG_TYPE(t)) {
3669                         if (!md->params[i].inmemory) {
3670                                 s1 = rd->argintregs[md->params[i].regoff];
3671
3672                                 if (!nmd->params[j].inmemory) {
3673                                         s2 = rd->argintregs[nmd->params[j].regoff];
3674                                         M_INTMOVE(s1, s2);
3675
3676                                 } else {
3677                                         s2 = nmd->params[j].regoff;
3678                                         M_LST(s1, REG_SP, s2 * 8);
3679                                 }
3680
3681                         } else {
3682                                 s1 = md->params[i].regoff + cd->stackframesize;
3683                                 s2 = nmd->params[j].regoff;
3684                                 M_LLD(REG_ITMP1, REG_SP, s1 * 8);
3685                                 M_LST(REG_ITMP1, REG_SP, s2 * 8);
3686                         }
3687
3688                 } else {
3689                         if (!md->params[i].inmemory) {
3690                                 s1 = rd->argfltregs[md->params[i].regoff];
3691
3692                                 if (!nmd->params[j].inmemory) {
3693                                         s2 = rd->argfltregs[nmd->params[j].regoff];
3694                                         M_FLTMOVE(s1, s2);
3695
3696                                 } else {
3697                                         s2 = nmd->params[j].regoff;
3698                                         if (IS_2_WORD_TYPE(t))
3699                                                 M_DST(s1, REG_SP, s2 * 8);
3700                                         else
3701                                                 M_FST(s1, REG_SP, s2 * 8);
3702                                 }
3703
3704                         } else {
3705                                 s1 = md->params[i].regoff + cd->stackframesize;
3706                                 s2 = nmd->params[j].regoff;
3707                                 M_DLD(REG_FTMP1, REG_SP, s1 * 8);
3708                                 if (IS_2_WORD_TYPE(t))
3709                                         M_DST(REG_FTMP1, REG_SP, s2 * 8);
3710                                 else
3711                                         M_FST(REG_FTMP1, REG_SP, s2 * 8);
3712                         }
3713                 }
3714         }
3715
3716         /* put class into second argument register */
3717
3718         if (m->flags & ACC_STATIC) {
3719                 disp = dseg_add_address(cd, m->class);
3720                 M_ALD(rd->argintregs[1], REG_PV, disp);
3721         }
3722
3723         /* put env into first argument register */
3724
3725         disp = dseg_add_address(cd, _Jv_env);
3726         M_ALD(rd->argintregs[0], REG_PV, disp);
3727
3728         /* do the native function call */
3729
3730         M_ALD(REG_PV, REG_PV, funcdisp);
3731         M_JSR(REG_RA, REG_PV);              /* call native method                 */
3732         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3733         M_LDA(REG_PV, REG_RA, -disp);       /* recompute pv from ra               */
3734
3735         /* save return value */
3736
3737         if (md->returntype.type != TYPE_VOID) {
3738                 if (IS_INT_LNG_TYPE(md->returntype.type))
3739                         M_LST(REG_RESULT, REG_SP, 0 * 8);
3740                 else
3741                         M_DST(REG_FRESULT, REG_SP, 0 * 8);
3742         }
3743
3744         /* call finished trace */
3745
3746 #if !defined(NDEBUG)
3747         if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3748                 emit_verbosecall_exit(jd);
3749 #endif
3750
3751         /* remove native stackframe info */
3752
3753         M_LDA(rd->argintregs[0], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3754         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3755         M_ALD(REG_PV, REG_PV, disp);
3756         M_JSR(REG_RA, REG_PV);
3757         disp = (s4) (cd->mcodeptr - cd->mcodebase);
3758         M_LDA(REG_PV, REG_RA, -disp);
3759         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3760
3761         /* restore return value */
3762
3763         if (md->returntype.type != TYPE_VOID) {
3764                 if (IS_INT_LNG_TYPE(md->returntype.type))
3765                         M_LLD(REG_RESULT, REG_SP, 0 * 8);
3766                 else
3767                         M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3768         }
3769
3770         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA            */
3771         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3772
3773         /* check for exception */
3774
3775         M_BNEZ(REG_ITMP1_XPTR, 1);          /* if no exception then return        */
3776         M_RET(REG_ZERO, REG_RA);            /* return to caller                   */
3777
3778         /* handle exception */
3779
3780         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address            */
3781
3782         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3783         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3784         M_JMP(REG_ZERO, REG_ITMP3);         /* jump to asm exception handler      */
3785
3786
3787         /* generate patcher stubs */
3788
3789         emit_patcher_stubs(jd);
3790
3791         codegen_finish(jd);
3792
3793         return code->entrypoint;
3794 }
3795
3796
3797 /*
3798  * These are local overrides for various environment variables in Emacs.
3799  * Please do not remove this and leave it at the end of the file, where
3800  * Emacs will automagically detect them.
3801  * ---------------------------------------------------------------------
3802  * Local variables:
3803  * mode: c
3804  * indent-tabs-mode: t
3805  * c-basic-offset: 4
3806  * tab-width: 4
3807  * End:
3808  * vim:noexpandtab:sw=4:ts=4:
3809  */