src/vm/jit/mips/codegen.c

   1 /* src/vm/jit/mips/codegen.c - machine code generator for MIPS
   2
   3    Copyright (C) 1996-2005, 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <assert.h>
  29 #include <stdio.h>
  30
  31 #include "vm/types.h"
  32
  33 #include "md-abi.h"
  34
  35 #include "vm/jit/mips/arch.h"
  36 #include "vm/jit/mips/codegen.h"
  37
  38 #include "mm/memory.hpp"
  39
  40 #include "native/localref.hpp"
  41 #include "native/native.hpp"
  42
  43 #include "threads/lock.hpp"
  44
  45 #include "vm/jit/builtin.hpp"
  46 #include "vm/class.hpp"
  47 #include "vm/exceptions.hpp"
  48 #include "vm/options.h"
  49 #include "vm/vm.hpp"
  50
  51 #include "vm/jit/abi.h"
  52 #include "vm/jit/asmpart.h"
  53 #include "vm/jit/codegen-common.hpp"
  54 #include "vm/jit/dseg.h"
  55 #include "vm/jit/emit-common.hpp"
  56 #include "vm/jit/jit.hpp"
  57 #include "vm/jit/linenumbertable.hpp"
  58 #include "vm/jit/patcher-common.hpp"
  59 #include "vm/jit/reg.h"
  60 #include "vm/jit/trap.hpp"
  61
  62 #if defined(ENABLE_LSRA)
  63 # include "vm/jit/allocator/lsra.h"
  64 #endif
  65
  66
  67 /* codegen_emit ****************************************************************
  68
  69    Generates machine code.
  70
  71 *******************************************************************************/
  72
  73 bool codegen_emit(jitdata *jd)
  74 {
  75
  76
  77         savedregs_num = code_is_leafmethod(code) ? 0 : 1; /* space to save the RA */
  78
  79
  80 #if defined(ENABLE_THREADS)
  81         /* space to save argument of monitor_enter */
  82
  83         if (checksync && code_is_synchronized(code)) {
  84 # if SIZEOF_VOID_P == 8
  85                 cd->stackframesize++;
  86 # else
  87                 rd->memuse++;
  88                 cd->stackframesize += 2;
  89 # endif
  90         }
  91 #endif
  92
  93         /* keep stack 16-byte aligned */
  94
  95         if (cd->stackframesize & 1)
  96                 cd->stackframesize++;
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114 /**
 115  * Generates machine code for the method prolog.
 116  */
 117 void codegen_emit_prolog(jitdata* jd)
 118 {
 119         varinfo*    var;
 120         methoddesc* md;
 121         int32_t     s1;
 122         int32_t     p, t, l;
 123         int32_t     varindex;
 124         int         i;
 125
 126         // Get required compiler data.
 127         methodinfo*   m    = jd->m;
 128         codeinfo*     code = jd->code;
 129         codegendata*  cd   = jd->cd;
 130         registerdata* rd   = jd->rd;
 131
 132         /* create stack frame (if necessary) */
 133
 134         if (cd->stackframesize)
 135                 M_LDA(REG_SP, REG_SP, -cd->stackframesize * 8);
 136
 137         /* save return address and used callee saved registers */
 138
 139         p = cd->stackframesize;
 140         if (!code_is_leafmethod(code)) {
 141                 p--; M_AST(REG_RA, REG_SP, p * 8);
 142         }
 143         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 144                 p--; M_AST(rd->savintregs[i], REG_SP, p * 8);
 145         }
 146         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 147                 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
 148         }
 149
 150         /* take arguments out of register or stack frame */
 151
 152         md = m->parseddesc;
 153
 154         for (p = 0, l = 0; p < md->paramcount; p++) {
 155                 t = md->paramtypes[p].type;
 156
 157                 varindex = jd->local_map[l * 5 + t];
 158
 159                 l++;
 160                 if (IS_2_WORD_TYPE(t))    /* increment local counter for 2 word types */
 161                         l++;
 162
 163                 if (varindex == UNUSED)
 164                         continue;
 165
 166                 var = VAR(varindex);
 167                 s1  = md->params[p].regoff;
 168
 169                 if (IS_INT_LNG_TYPE(t)) {                    /* integer args          */
 170                         if (!md->params[p].inmemory) {           /* register arguments    */
 171 #if SIZEOF_VOID_P == 8
 172                                 if (!(var->flags & INMEMORY))
 173                                         M_INTMOVE(s1, var->vv.regoff);
 174                                 else
 175                                         M_LST(s1, REG_SP, var->vv.regoff);
 176 #else
 177                                 if (!(var->flags & INMEMORY)) {
 178                                         if (IS_2_WORD_TYPE(t))
 179                                                 M_LNGMOVE(s1, var->vv.regoff);
 180                                         else
 181                                                 M_INTMOVE(s1, var->vv.regoff);
 182                                 }
 183                                 else {
 184                                         if (IS_2_WORD_TYPE(t))
 185                                                 M_LST(s1, REG_SP, var->vv.regoff);
 186                                         else
 187                                                 M_IST(s1, REG_SP, var->vv.regoff);
 188                                 }
 189 #endif
 190                         }
 191                         else {                                   /* stack arguments       */
 192                                 if (!(var->flags & INMEMORY)) {
 193 #if SIZEOF_VOID_P == 8
 194                                         M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 195 #else
 196                                         if (IS_2_WORD_TYPE(t))
 197                                                 M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 198                                         else
 199                                                 M_ILD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 200 #endif
 201                                 }
 202                                 else
 203                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 204                         }
 205                 }
 206                 else {                                       /* floating args         */
 207                         if (!md->params[p].inmemory) {
 208                                 if (!(var->flags & INMEMORY)) {
 209                                         if (IS_2_WORD_TYPE(t))
 210                                                 emit_dmove(cd, s1, var->vv.regoff);
 211                                         else
 212                                                 emit_fmove(cd, s1, var->vv.regoff);
 213                                 }
 214                                 else {
 215                                         if (IS_2_WORD_TYPE(t))
 216                                                 M_DST(s1, REG_SP, var->vv.regoff);
 217                                         else
 218                                                 M_FST(s1, REG_SP, var->vv.regoff);
 219                                 }
 220                         }
 221                         else {
 222                                 if (!(var->flags & INMEMORY)) {
 223                                         if (IS_2_WORD_TYPE(t))
 224                                                 M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 225                                         else
 226                                                 M_FLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
 227                                 }
 228                                 else
 229                                         var->vv.regoff = cd->stackframesize * 8 + s1;
 230                         }
 231                 }
 232         }
 233 }
 234
 235
 236 /**
 237  * Generates machine code for the method epilog.
 238  */
 239 void codegen_emit_epilog(jitdata* jd)
 240 {
 241         int32_t p;
 242         int i;
 243
 244         // Get required compiler data.
 245         codeinfo*     code = jd->code;
 246         codegendata*  cd   = jd->cd;
 247         registerdata* rd   = jd->rd;
 248
 249         p = cd->stackframesize;
 250
 251         /* restore return address */
 252
 253         if (!code_is_leafmethod(code)) {
 254                 p--; M_ALD(REG_RA, REG_SP, p * 8);
 255         }
 256
 257         /* restore saved registers */
 258
 259         for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
 260                 p--; M_ALD(rd->savintregs[i], REG_SP, p * 8);
 261         }
 262         for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
 263                 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
 264         }
 265
 266         /* deallocate stack and return */
 267
 268         if (cd->stackframesize) {
 269                 int32_t lo, hi;
 270
 271                 disp = cd->stackframesize * 8;
 272                 lo = (short) (disp);
 273                 hi = (short) (((disp) - lo) >> 16);
 274
 275                 if (hi == 0) {
 276                         M_RET(REG_RA);
 277                         M_AADD_IMM(REG_SP, lo, REG_SP);             /* delay slot */
 278                 } else {
 279                         M_LUI(REG_ITMP3,hi);
 280                         M_AADD_IMM(REG_ITMP3,lo,REG_ITMP3);
 281                         M_RET(REG_RA);
 282                         M_AADD(REG_ITMP3,REG_SP,REG_SP);            /* delay slot */
 283                 }
 284
 285         } else {
 286                 M_RET(REG_RA);
 287                 M_NOP;
 288         }
 289 }
 290
 291
 292 /**
 293  * Generates machine code for one ICMD.
 294  */
 295 void codegen_emit_instruction(jitdata* jd, instruction* iptr)
 296 {
 297         varinfo*            var;
 298         builtintable_entry* bte;
 299         methodinfo*         lm;             // Local methodinfo for ICMD_INVOKE*.
 300         unresolved_method*  um;
 301         fieldinfo*          fi;
 302         unresolved_field*   uf;
 303         int32_t             fieldtype;
 304         int32_t             s1, s2, s3, d;
 305         int32_t             disp;
 306
 307         // Get required compiler data.
 308         codeinfo*     code = jd->code;
 309         codegendata*  cd   = jd->cd;
 310
 311         switch (iptr->opc) {
 312
 313                 /* constant operations ************************************************/
 314
 315                 case ICMD_LCONST:     /* ...  ==> ..., constant                       */
 316
 317 #if SIZEOF_VOID_P == 8
 318                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 319 #else
 320                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 321 #endif
 322                         LCONST(d, iptr->sx.val.l);
 323                         emit_store_dst(jd, iptr, d);
 324                         break;
 325
 326                 case ICMD_FCONST:     /* ...  ==> ..., constant                       */
 327
 328                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 329                         disp = dseg_add_float(cd, iptr->sx.val.f);
 330                         M_FLD(d, REG_PV, disp);
 331                         emit_store_dst(jd, iptr, d);
 332                         break;
 333
 334                 case ICMD_DCONST:     /* ...  ==> ..., constant                       */
 335
 336                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
 337                         disp = dseg_add_double(cd, iptr->sx.val.d);
 338                         M_DLD(d, REG_PV, disp);
 339                         emit_store_dst(jd, iptr, d);
 340                         break;
 341
 342                 case ICMD_ACONST:     /* ...  ==> ..., constant                       */
 343
 344                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 345
 346                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
 347                                 constant_classref *cr = iptr->sx.val.c.ref;
 348                                 disp = dseg_add_unique_address(cd, cr);
 349
 350                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
 351                                                                           cr, disp);
 352
 353                                 M_ALD(d, REG_PV, disp);
 354                         }
 355                         else {
 356                                 if (iptr->sx.val.anyptr == NULL)
 357                                         M_INTMOVE(REG_ZERO, d);
 358                                 else {
 359                                         disp = dseg_add_address(cd, iptr->sx.val.anyptr);
 360                                         M_ALD(d, REG_PV, disp);
 361                                 }
 362                         }
 363                         emit_store_dst(jd, iptr, d);
 364                         break;
 365
 366
 367                 /* integer operations *************************************************/
 368
 369                 case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 370
 371                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 372                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 373                         M_ISUB(REG_ZERO, s1, d);
 374                         emit_store_dst(jd, iptr, d);
 375                         break;
 376
 377                 case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 378
 379 #if SIZEOF_VOID_P == 8
 380                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 381                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 382                         M_LSUB(REG_ZERO, s1, d);
 383 #else
 384                         s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
 385                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 386                         M_ISUB(REG_ZERO, GET_LOW_REG(s1), GET_LOW_REG(d));
 387                         M_ISUB(REG_ZERO, GET_HIGH_REG(s1), GET_HIGH_REG(d));
 388                         M_CMPULT(REG_ZERO, GET_LOW_REG(d), REG_ITMP3);
 389                         M_ISUB(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 390 #endif
 391                         emit_store_dst(jd, iptr, d);
 392                         break;
 393
 394                 case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 395
 396                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 397 #if SIZEOF_VOID_P == 8
 398                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 399                         M_INTMOVE(s1, d);
 400 #else
 401                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 402                         M_INTMOVE(s1, GET_LOW_REG(d));
 403                         M_ISRA_IMM(GET_LOW_REG(d), 31, GET_HIGH_REG(d));
 404 #endif
 405                         emit_store_dst(jd, iptr, d);
 406                         break;
 407
 408                 case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 409
 410 #if SIZEOF_VOID_P == 8
 411                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 412                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 413                         M_ISLL_IMM(s1, 0, d);
 414 #else
 415                         s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
 416                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 417                         M_INTMOVE(GET_LOW_REG(s1), d);
 418 #endif
 419                         emit_store_dst(jd, iptr, d);
 420                         break;
 421
 422                 case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 423
 424                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 425                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 426 #if SIZEOF_VOID_P == 8
 427                         M_LSLL_IMM(s1, 56, d);
 428                         M_LSRA_IMM( d, 56, d);
 429 #else
 430                         M_ISLL_IMM(s1, 24, d);
 431                         M_ISRA_IMM( d, 24, d);
 432 #endif
 433                         emit_store_dst(jd, iptr, d);
 434                         break;
 435
 436                 case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 437
 438                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 439                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 440                         M_AND_IMM(s1, 0xffff, d);
 441                         emit_store_dst(jd, iptr, d);
 442                         break;
 443
 444                 case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 445
 446                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 447                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 448 #if SIZEOF_VOID_P == 8
 449                         M_LSLL_IMM(s1, 48, d);
 450                         M_LSRA_IMM( d, 48, d);
 451 #else
 452                         M_ISLL_IMM(s1, 16, d);
 453                         M_ISRA_IMM( d, 16, d);
 454 #endif
 455                         emit_store_dst(jd, iptr, d);
 456                         break;
 457
 458
 459                 case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 460
 461                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 462                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 463                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 464                         M_IADD(s1, s2, d);
 465                         emit_store_dst(jd, iptr, d);
 466                         break;
 467
 468                 case ICMD_IINC:
 469                 case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
 470                                       /* sx.val.i = constant                          */
 471
 472                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 473                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 474                         if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
 475                                 M_IADD_IMM(s1, iptr->sx.val.i, d);
 476                         else {
 477                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 478                                 M_IADD(s1, REG_ITMP2, d);
 479                         }
 480                         emit_store_dst(jd, iptr, d);
 481                         break;
 482
 483                 case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 484
 485 #if SIZEOF_VOID_P == 8
 486                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 487                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 488                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 489                         M_LADD(s1, s2, d);
 490 #else
 491                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
 492                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
 493                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 494                         M_IADD(s1, s2, GET_HIGH_REG(d));
 495                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
 496                         s2 = emit_load_s2_low(jd, iptr, GET_LOW_REG(REG_ITMP12_PACKED));
 497                         if (s1 == GET_LOW_REG(d)) {
 498                                 M_MOV(s1, REG_ITMP3);
 499                                 s1 = REG_ITMP3;
 500                         }
 501                         M_IADD(s1, s2, GET_LOW_REG(d));
 502                         M_CMPULT(GET_LOW_REG(d), s1, REG_ITMP3);
 503                         M_IADD(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 504 #endif
 505                         emit_store_dst(jd, iptr, d);
 506                         break;
 507
 508                 case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
 509                                       /* sx.val.l = constant                          */
 510
 511 #if SIZEOF_VOID_P == 8
 512                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 513                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 514                         if ((iptr->sx.val.l >= -32768) && (iptr->sx.val.l <= 32767))
 515                                 M_LADD_IMM(s1, iptr->sx.val.l, d);
 516                         else {
 517                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 518                                 M_LADD(s1, REG_ITMP2, d);
 519                         }
 520 #else
 521                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 522                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 32767)) {
 523                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
 524                                 M_IADD_IMM(GET_LOW_REG(s1), iptr->sx.val.l, GET_LOW_REG(d));
 525                                 M_CMPULT_IMM(GET_LOW_REG(d), iptr->sx.val.l, REG_ITMP3);
 526                                 M_IADD(GET_HIGH_REG(s1), REG_ITMP3, GET_HIGH_REG(d));
 527                         }
 528                         else if ((iptr->sx.val.l >= (-32768 + 1)) && (iptr->sx.val.l < 0)) {
 529                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
 530                                 M_ISUB_IMM(s1, -(iptr->sx.val.l), GET_LOW_REG(d));
 531                                 M_CMPULT_IMM(GET_LOW_REG(d), iptr->sx.val.l, REG_ITMP3);
 532                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
 533                                 M_ISUB_IMM(s1, 1, GET_HIGH_REG(d));
 534                                 M_IADD(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 535                         }
 536                         else {
 537                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
 538                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
 539                                 M_IADD(s1, REG_ITMP2, GET_LOW_REG(d));
 540                                 M_CMPULT(GET_LOW_REG(d), s1, REG_ITMP3);
 541                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
 542                                 M_IADD(s1, REG_ITMP3, GET_HIGH_REG(d));
 543                                 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
 544                                 M_IADD(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 545                         }
 546 #endif
 547                         emit_store_dst(jd, iptr, d);
 548                         break;
 549
 550                 case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 551
 552                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 553                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 554                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 555                         M_ISUB(s1, s2, d);
 556                         emit_store_dst(jd, iptr, d);
 557                         break;
 558
 559                 case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
 560                                       /* sx.val.i = constant                          */
 561
 562                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 563                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 564                         if ((iptr->sx.val.i >= -32767) && (iptr->sx.val.i <= 32768))
 565                                 M_IADD_IMM(s1, -iptr->sx.val.i, d);
 566                         else {
 567                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 568                                 M_ISUB(s1, REG_ITMP2, d);
 569                         }
 570                         emit_store_dst(jd, iptr, d);
 571                         break;
 572
 573                 case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 574
 575 #if SIZEOF_VOID_P == 8
 576                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 577                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 578                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 579                         M_LSUB(s1, s2, d);
 580 #else
 581                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
 582                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
 583                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 584                         M_ISUB(s1, s2, GET_HIGH_REG(d));
 585                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
 586                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP1);
 587                         M_CMPULT(s1, s2, REG_ITMP3);
 588                         M_ISUB(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 589                         /* if s1 is equal to REG_ITMP3 we have to reload it, since
 590                            the CMPULT instruction destroyed it */
 591                         if (s1 == REG_ITMP3)
 592                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
 593                         M_ISUB(s1, s2, GET_LOW_REG(d));
 594
 595 #endif
 596                         emit_store_dst(jd, iptr, d);
 597                         break;
 598
 599                 case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
 600                                       /* sx.val.l = constant                          */
 601
 602 #if SIZEOF_VOID_P == 8
 603                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 604                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 605                         if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l <= 32768))
 606                                 M_LADD_IMM(s1, -iptr->sx.val.l, d);
 607                         else {
 608                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 609                                 M_LSUB(s1, REG_ITMP2, d);
 610                         }
 611 #else
 612                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 613                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 32768)) {
 614                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
 615                                 M_ISUB_IMM(s1, iptr->sx.val.l, GET_LOW_REG(d));
 616                                 M_CMPULT_IMM(GET_LOW_REG(d), -(iptr->sx.val.l), REG_ITMP3);
 617                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
 618                                 M_ISUB_IMM(s1, 1, GET_HIGH_REG(d));
 619                                 M_IADD(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 620                         }
 621                         else if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l < 0)) {
 622                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
 623                                 M_IADD_IMM(GET_LOW_REG(s1), -(iptr->sx.val.l), GET_LOW_REG(d));
 624                                 M_CMPULT_IMM(GET_LOW_REG(d), -(iptr->sx.val.l), REG_ITMP3);
 625                                 M_IADD(GET_HIGH_REG(s1), REG_ITMP3, GET_HIGH_REG(d));
 626                         }
 627                         else {
 628                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
 629                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
 630                                 M_ISUB(s1, REG_ITMP2, GET_LOW_REG(d));
 631                                 M_CMPULT(s1, REG_ITMP2, REG_ITMP3);
 632                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
 633                                 M_ISUB(s1, REG_ITMP3, GET_HIGH_REG(d));
 634                                 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
 635                                 M_ISUB(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 636                         }
 637 #endif
 638                         emit_store_dst(jd, iptr, d);
 639                         break;
 640
 641                 case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 642
 643                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 644                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 645                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 646                         M_IMUL(s1, s2);
 647                         M_MFLO(d);
 648                         M_NOP;
 649                         M_NOP;
 650                         emit_store_dst(jd, iptr, d);
 651                         break;
 652
 653                 case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
 654                                       /* sx.val.i = constant                          */
 655
 656                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 657                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 658                         ICONST(REG_ITMP2, iptr->sx.val.i);
 659                         M_IMUL(s1, REG_ITMP2);
 660                         M_MFLO(d);
 661                         M_NOP;
 662                         M_NOP;
 663                         emit_store_dst(jd, iptr, d);
 664                         break;
 665
 666                 case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 667
 668 #if SIZEOF_VOID_P == 8
 669                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 670                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 671                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 672                         M_LMUL(s1, s2);
 673                         M_MFLO(d);
 674                         M_NOP;
 675                         M_NOP;
 676 #else
 677                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
 678                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
 679                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 680                         M_IMUL(s2, s1);
 681                         M_MFLO(REG_ITMP3);
 682                         M_NOP;
 683                         M_NOP;
 684                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
 685                         M_IMULU(s2, s1);
 686                         M_MFHI(GET_HIGH_REG(d));
 687                         M_MFLO(GET_LOW_REG(d));
 688                         M_NOP;
 689                         M_NOP;
 690                         M_IADD(GET_HIGH_REG(d), REG_ITMP3, REG_ITMP3);
 691
 692                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
 693                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
 694                         M_IMUL(s1, s2);
 695                         M_MFLO(s2);
 696                         /* XXX do we need nops here? */
 697 #endif
 698                         emit_store_dst(jd, iptr, d);
 699                         break;
 700
 701                 case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
 702                                       /* sx.val.l = constant                          */
 703
 704                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 705                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 706                         LCONST(REG_ITMP2, iptr->sx.val.l);
 707                         M_LMUL(s1, REG_ITMP2);
 708                         M_MFLO(d);
 709                         M_NOP;
 710                         M_NOP;
 711                         emit_store_dst(jd, iptr, d);
 712                         break;
 713
 714                 case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 715
 716                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 717                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 718                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 719                         emit_arithmetic_check(cd, iptr, s2);
 720                         M_IDIV(s1, s2);
 721                         M_MFLO(d);
 722                         M_NOP;
 723                         M_NOP;
 724                         emit_store_dst(jd, iptr, d);
 725                         break;
 726
 727                 case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 728
 729                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 730                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 731                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 732                         emit_arithmetic_check(cd, iptr, s2);
 733                         M_IDIV(s1, s2);
 734                         M_MFHI(d);
 735                         M_NOP;
 736                         M_NOP;
 737                         emit_store_dst(jd, iptr, d);
 738                         break;
 739
 740 #if SIZEOF_VOID_P == 8
 741
 742                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 743
 744                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 745                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 746                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 747                         emit_arithmetic_check(cd, iptr, s2);
 748                         M_LDIV(s1, s2);
 749                         M_MFLO(d);
 750                         M_NOP;
 751                         M_NOP;
 752                         emit_store_dst(jd, iptr, d);
 753                         break;
 754
 755                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 756
 757                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 758                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 759                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 760                         emit_arithmetic_check(cd, iptr, s2);
 761                         M_LDIV(s1, s2);
 762                         M_MFHI(d);
 763                         M_NOP;
 764                         M_NOP;
 765                         emit_store_dst(jd, iptr, d);
 766                         break;
 767
 768 #else /* SIZEOF_VOID_P == 8 */
 769
 770                 case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 771                 case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 772
 773                         s1 = emit_load_s1(jd, iptr, REG_A0_A1_PACKED);
 774                         s2 = emit_load_s2(jd, iptr, REG_A2_A3_PACKED);
 775
 776                         /* XXX TODO: only do this if arithmetic check is really done! */
 777                         M_OR(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
 778                         emit_arithmetic_check(cd, iptr, REG_ITMP3);
 779
 780                         M_LNGMOVE(s1, REG_A0_A1_PACKED);
 781                         M_LNGMOVE(s2, REG_A2_A3_PACKED);
 782
 783                         bte = iptr->sx.s23.s3.bte;
 784                         disp = dseg_add_functionptr(cd, bte->fp);
 785                         M_ALD(REG_ITMP3, REG_PV, disp);
 786                         M_JSR(REG_RA, REG_ITMP3);
 787                         M_NOP;
 788
 789                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
 790                         M_LNGMOVE(REG_RESULT_PACKED, d);
 791                         emit_store_dst(jd, iptr, d);
 792                         break;
 793
 794 #endif /* SIZEOF_VOID_P == 8 */
 795
 796                 case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 797                                       /* val.i = constant                             */
 798
 799                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 800                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 801 #if SIZEOF_VOID_P == 8
 802                         M_LSRA_IMM(s1, 63, REG_ITMP2);
 803                         M_LSRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 804                         M_LADD(s1, REG_ITMP2, REG_ITMP2);
 805                         M_LSRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 806 #else
 807                         M_ISRA_IMM(s1, 31, REG_ITMP2);
 808                         M_ISRL_IMM(REG_ITMP2, 32 - iptr->sx.val.i, REG_ITMP2);
 809                         M_IADD(s1, REG_ITMP2, REG_ITMP2);
 810                         M_ISRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 811 #endif
 812                         emit_store_dst(jd, iptr, d);
 813                         break;
 814
 815                 case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
 816                                       /* val.i = constant                             */
 817
 818                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 819                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 820                         if (s1 == d) {
 821                                 M_MOV(s1, REG_ITMP1);
 822                                 s1 = REG_ITMP1;
 823                         }
 824                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 0xffff)) {
 825                                 M_AND_IMM(s1, iptr->sx.val.i, d);
 826                                 M_BGEZ(s1, 4);
 827                                 M_NOP;
 828                                 M_ISUB(REG_ZERO, s1, d);
 829                                 M_AND_IMM(d, iptr->sx.val.i, d);
 830                         }
 831                         else {
 832                                 ICONST(REG_ITMP2, iptr->sx.val.i);
 833                                 M_AND(s1, REG_ITMP2, d);
 834                                 M_BGEZ(s1, 4);
 835                                 M_NOP;
 836                                 M_ISUB(REG_ZERO, s1, d);
 837                                 M_AND(d, REG_ITMP2, d);
 838                         }
 839                         M_ISUB(REG_ZERO, d, d);
 840                         emit_store_dst(jd, iptr, d);
 841                         break;
 842
 843 #if SIZEOF_VOID_P == 8
 844
 845                 case ICMD_LDIVPOW2:   /* ..., value  ==> ..., value << constant       */
 846                                       /* val.i = constant                             */
 847
 848                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 849                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 850                         M_LSRA_IMM(s1, 63, REG_ITMP2);
 851                         M_LSRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
 852                         M_LADD(s1, REG_ITMP2, REG_ITMP2);
 853                         M_LSRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
 854                         emit_store_dst(jd, iptr, d);
 855                         break;
 856
 857                 case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
 858                                       /* val.l = constant                             */
 859
 860                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 861                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 862                         if (s1 == d) {
 863                                 M_MOV(s1, REG_ITMP1);
 864                                 s1 = REG_ITMP1;
 865                         }
 866                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
 867                                 M_AND_IMM(s1, iptr->sx.val.l, d);
 868                                 M_BGEZ(s1, 4);
 869                                 M_NOP;
 870                                 M_LSUB(REG_ZERO, s1, d);
 871                                 M_AND_IMM(d, iptr->sx.val.l, d);
 872                         }
 873                         else {
 874                                 LCONST(REG_ITMP2, iptr->sx.val.l);
 875                                 M_AND(s1, REG_ITMP2, d);
 876                                 M_BGEZ(s1, 4);
 877                                 M_NOP;
 878                                 M_LSUB(REG_ZERO, s1, d);
 879                                 M_AND(d, REG_ITMP2, d);
 880                         }
 881                         M_LSUB(REG_ZERO, d, d);
 882                         emit_store_dst(jd, iptr, d);
 883                         break;
 884
 885 #endif /* SIZEOF_VOID_P == 8 */
 886
 887                 case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 888
 889                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 890                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 891                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 892                         M_ISLL(s1, s2, d);
 893                         emit_store_dst(jd, iptr, d);
 894                         break;
 895
 896                 case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
 897                                       /* sx.val.i = constant                             */
 898
 899                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 900                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 901                         M_ISLL_IMM(s1, iptr->sx.val.i, d);
 902                         emit_store_dst(jd, iptr, d);
 903                         break;
 904
 905                 case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 906
 907                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 908                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 909                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 910                         M_ISRA(s1, s2, d);
 911                         emit_store_dst(jd, iptr, d);
 912                         break;
 913
 914                 case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
 915                                       /* sx.val.i = constant                             */
 916
 917                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 918                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 919                         M_ISRA_IMM(s1, iptr->sx.val.i, d);
 920                         emit_store_dst(jd, iptr, d);
 921                         break;
 922
 923                 case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 924
 925                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 926                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 927                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 928                         M_ISRL(s1, s2, d);
 929                         emit_store_dst(jd, iptr, d);
 930                         break;
 931
 932                 case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
 933                                       /* sx.val.i = constant                             */
 934
 935                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 936                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 937                         M_ISRL_IMM(s1, iptr->sx.val.i, d);
 938                         emit_store_dst(jd, iptr, d);
 939                         break;
 940
 941                 case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 942
 943 #if SIZEOF_VOID_P == 8
 944                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 945                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 946                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 947                         M_LSLL(s1, s2, d);
 948 #else
 949                         s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
 950                         s2 = emit_load_s2(jd, iptr, REG_ITMP3);
 951                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
 952
 953                         M_ISLL(s2, 26, REG_ITMP1);
 954                         M_BGEZ(REG_ITMP1, 3);
 955                         M_NOP;
 956
 957                         M_ISLL(GET_LOW_REG(s1), s2, GET_HIGH_REG(d));
 958                         M_BR(7);
 959                         M_MOV(REG_ZERO, GET_LOW_REG(d));                    /* delay slot */
 960
 961 #if 1
 962                         M_ISLL(GET_LOW_REG(s1), s2, GET_LOW_REG(d));
 963 #endif
 964                         M_BEQZ(REG_ITMP1, 4);
 965                         M_ISLL(GET_HIGH_REG(s1), s2, GET_HIGH_REG(d));      /* delay slot */
 966
 967                         M_ISUB(s2, REG_ZERO, REG_ITMP3);
 968                         M_ISRL(GET_LOW_REG(s1), REG_ITMP3, REG_ITMP3);
 969                         M_OR(GET_HIGH_REG(d), REG_ITMP3, GET_HIGH_REG(d));
 970
 971 #if 0
 972                         M_ISLL(GET_LOW_REG(s1), s2, GET_LOW_REG(d));
 973 #endif
 974 #endif
 975                         emit_store_dst(jd, iptr, d);
 976                         break;
 977
 978 #if SIZEOF_VOID_P == 8
 979
 980                 case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
 981                                       /* sx.val.i = constant                             */
 982
 983                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 984                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 985                         M_LSLL_IMM(s1, iptr->sx.val.i, d);
 986                         emit_store_dst(jd, iptr, d);
 987                         break;
 988
 989                 case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 990
 991                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 992                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
 993                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 994                         M_LSRA(s1, s2, d);
 995                         emit_store_dst(jd, iptr, d);
 996                         break;
 997
 998                 case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
 999                                       /* sx.val.i = constant                             */
1000
1001                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1002                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1003                         M_LSRA_IMM(s1, iptr->sx.val.i, d);
1004                         emit_store_dst(jd, iptr, d);
1005                         break;
1006
1007                 case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
1008
1009                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1010                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1011                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1012                         M_LSRL(s1, s2, d);
1013                         emit_store_dst(jd, iptr, d);
1014                         break;
1015
1016                 case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
1017                                       /* sx.val.i = constant                             */
1018
1019                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1020                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1021                         M_LSRL_IMM(s1, iptr->sx.val.i, d);
1022                         emit_store_dst(jd, iptr, d);
1023                         break;
1024
1025 #endif /* SIZEOF_VOID_P == 8 */
1026
1027                 case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
1028
1029                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1030                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1031                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1032                         M_AND(s1, s2, d);
1033                         emit_store_dst(jd, iptr, d);
1034                         break;
1035
1036                 case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
1037                                       /* sx.val.i = constant                          */
1038
1039                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1040                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1041                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 0xffff))
1042                                 M_AND_IMM(s1, iptr->sx.val.i, d);
1043                         else {
1044                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1045                                 M_AND(s1, REG_ITMP2, d);
1046                         }
1047                         emit_store_dst(jd, iptr, d);
1048                         break;
1049
1050                 case ICMD_LAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
1051
1052 #if SIZEOF_VOID_P == 8
1053                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1054                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1055                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1056                         M_AND(s1, s2, d);
1057 #else
1058                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
1059                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
1060                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1061                         M_AND(s1, s2, GET_LOW_REG(d));
1062                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1063                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
1064                         M_AND(s1, s2, GET_HIGH_REG(d));
1065 #endif
1066                         emit_store_dst(jd, iptr, d);
1067                         break;
1068
1069                 case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
1070                                       /* sx.val.l = constant                          */
1071
1072 #if SIZEOF_VOID_P == 8
1073                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1074                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1075                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff))
1076                                 M_AND_IMM(s1, iptr->sx.val.l, d);
1077                         else {
1078                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1079                                 M_AND(s1, REG_ITMP2, d);
1080                         }
1081 #else
1082                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1083                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1084                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
1085                                 M_AND_IMM(GET_LOW_REG(s1), iptr->sx.val.l, GET_LOW_REG(d));
1086                                 M_AND_IMM(GET_HIGH_REG(s1), 0, GET_HIGH_REG(d));
1087                         }
1088                         else {
1089                                 LCONST(REG_ITMP12_PACKED, iptr->sx.val.l);
1090                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
1091                                 M_AND(s1, GET_LOW_REG(REG_ITMP12_PACKED), GET_LOW_REG(d));
1092                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
1093                                 M_AND(s1, GET_HIGH_REG(REG_ITMP12_PACKED), GET_HIGH_REG(d));
1094                         }
1095 #endif
1096                         emit_store_dst(jd, iptr, d);
1097                         break;
1098
1099                 case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1100
1101                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1102                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1103                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1104                         M_OR(s1, s2, d);
1105                         emit_store_dst(jd, iptr, d);
1106                         break;
1107
1108                 case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
1109                                       /* sx.val.i = constant                          */
1110
1111                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1112                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1113                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 0xffff))
1114                                 M_OR_IMM(s1, iptr->sx.val.i, d);
1115                         else {
1116                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1117                                 M_OR(s1, REG_ITMP2, d);
1118                         }
1119                         emit_store_dst(jd, iptr, d);
1120                         break;
1121
1122                 case ICMD_LOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
1123
1124 #if SIZEOF_VOID_P == 8
1125                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1126                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1127                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1128                         M_OR(s1, s2, d);
1129 #else
1130                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
1131                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
1132                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1133                         M_OR(s1, s2, GET_LOW_REG(d));
1134                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1135                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
1136                         M_OR(s1, s2, GET_HIGH_REG(d));
1137 #endif
1138                         emit_store_dst(jd, iptr, d);
1139                         break;
1140
1141                 case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
1142                                       /* sx.val.l = constant                          */
1143
1144 #if SIZEOF_VOID_P == 8
1145                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1146                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1147                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff))
1148                                 M_OR_IMM(s1, iptr->sx.val.l, d);
1149                         else {
1150                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1151                                 M_OR(s1, REG_ITMP2, d);
1152                         }
1153 #else
1154                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1155                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1156                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
1157                                 M_OR_IMM(GET_LOW_REG(s1), iptr->sx.val.l, GET_LOW_REG(d));
1158                                 M_OR_IMM(GET_HIGH_REG(s1), 0, GET_HIGH_REG(d));
1159                         }
1160                         else {
1161                                 LCONST(REG_ITMP12_PACKED, iptr->sx.val.l);
1162                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
1163                                 M_OR(s1, GET_LOW_REG(REG_ITMP12_PACKED), GET_LOW_REG(d));
1164                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
1165                                 M_OR(s1, GET_HIGH_REG(REG_ITMP12_PACKED), GET_HIGH_REG(d));
1166                         }
1167 #endif
1168                         emit_store_dst(jd, iptr, d);
1169                         break;
1170
1171                 case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1172
1173                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1174                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1175                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1176                         M_XOR(s1, s2, d);
1177                         emit_store_dst(jd, iptr, d);
1178                         break;
1179
1180                 case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1181                                       /* sx.val.i = constant                          */
1182
1183                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1184                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1185                         if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 0xffff))
1186                                 M_XOR_IMM(s1, iptr->sx.val.i, d);
1187                         else {
1188                                 ICONST(REG_ITMP2, iptr->sx.val.i);
1189                                 M_XOR(s1, REG_ITMP2, d);
1190                         }
1191                         emit_store_dst(jd, iptr, d);
1192                         break;
1193
1194                 case ICMD_LXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
1195
1196 #if SIZEOF_VOID_P == 8
1197                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1198                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1199                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1200                         M_XOR(s1, s2, d);
1201 #else
1202                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
1203                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
1204                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1205                         M_XOR(s1, s2, GET_LOW_REG(d));
1206                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1207                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
1208                         M_XOR(s1, s2, GET_HIGH_REG(d));
1209 #endif
1210                         emit_store_dst(jd, iptr, d);
1211                         break;
1212
1213                 case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
1214                                       /* sx.val.l = constant                          */
1215
1216 #if SIZEOF_VOID_P == 8
1217                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1218                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1219                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff))
1220                                 M_XOR_IMM(s1, iptr->sx.val.l, d);
1221                         else {
1222                                 LCONST(REG_ITMP2, iptr->sx.val.l);
1223                                 M_XOR(s1, REG_ITMP2, d);
1224                         }
1225 #else
1226                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1227                         if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1228                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
1229                                 M_XOR_IMM(GET_LOW_REG(s1), iptr->sx.val.l, GET_LOW_REG(d));
1230                                 M_XOR_IMM(GET_HIGH_REG(s1), 0, GET_HIGH_REG(d));
1231                         }
1232                         else {
1233                                 LCONST(REG_ITMP12_PACKED, iptr->sx.val.l);
1234                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP3);
1235                                 M_XOR(s1, GET_LOW_REG(REG_ITMP12_PACKED), GET_LOW_REG(d));
1236                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
1237                                 M_XOR(s1, GET_HIGH_REG(REG_ITMP12_PACKED), GET_HIGH_REG(d));
1238                         }
1239 #endif
1240                         emit_store_dst(jd, iptr, d);
1241                         break;
1242
1243
1244                 case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
1245
1246 #if SIZEOF_VOID_P == 8
1247                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1248                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1249                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1250                         M_CMPLT(s1, s2, REG_ITMP3);
1251                         M_CMPLT(s2, s1, REG_ITMP1);
1252                         M_LSUB(REG_ITMP1, REG_ITMP3, d);
1253 #else
1254                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1255                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1256                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1257                         M_CMPLT(s1, s2, REG_ITMP3);
1258                         M_CMPLT(s2, s1, REG_ITMP1);
1259                         M_ISUB(REG_ITMP1, REG_ITMP3, d);
1260                         emit_label_bnez(cd, BRANCH_LABEL_1, d);
1261                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1262                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1263                         M_CMPULT(s1, s2, REG_ITMP3);
1264                         M_CMPULT(s2, s1, REG_ITMP1);
1265                         M_ISUB(REG_ITMP1, REG_ITMP3, d);
1266                         emit_label(cd, BRANCH_LABEL_1);
1267 #endif
1268                         emit_store_dst(jd, iptr, d);
1269                         break;
1270
1271
1272                 /* floating operations ************************************************/
1273
1274                 case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
1275
1276                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1277                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1278                         M_FNEG(s1, d);
1279                         emit_store_dst(jd, iptr, d);
1280                         break;
1281
1282                 case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
1283
1284                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1285                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1286                         M_DNEG(s1, d);
1287                         emit_store_dst(jd, iptr, d);
1288                         break;
1289
1290                 case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1291
1292                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1293                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1294                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1295                         M_FADD(s1, s2, d);
1296                         emit_store_dst(jd, iptr, d);
1297                         break;
1298
1299                 case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
1300
1301                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1302                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1303                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1304                         M_DADD(s1, s2, d);
1305                         emit_store_dst(jd, iptr, d);
1306                         break;
1307
1308                 case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1309
1310                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1311                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1312                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1313                         M_FSUB(s1, s2, d);
1314                         emit_store_dst(jd, iptr, d);
1315                         break;
1316
1317                 case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
1318
1319                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1320                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1321                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1322                         M_DSUB(s1, s2, d);
1323                         emit_store_dst(jd, iptr, d);
1324                         break;
1325
1326                 case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
1327
1328                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1329                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1330                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1331                         M_FMUL(s1, s2, d);
1332                         emit_store_dst(jd, iptr, d);
1333                         break;
1334
1335                 case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
1336
1337                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1338                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1339                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1340                         M_DMUL(s1, s2, d);
1341                         emit_store_dst(jd, iptr, d);
1342                         break;
1343
1344                 case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1345
1346                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1347                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1348                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1349                         M_FDIV(s1, s2, d);
1350                         emit_store_dst(jd, iptr, d);
1351                         break;
1352
1353                 case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
1354
1355                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1356                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1357                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1358                         M_DDIV(s1, s2, d);
1359                         emit_store_dst(jd, iptr, d);
1360                         break;
1361
1362 #if 0
1363                 case ICMD_FREM:       /* ..., 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                         M_FDIV(s1,s2, REG_FTMP3);
1369                         M_FLOORFL(REG_FTMP3, REG_FTMP3);
1370                         M_CVTLF(REG_FTMP3, REG_FTMP3);
1371                         M_FMUL(REG_FTMP3, s2, REG_FTMP3);
1372                         M_FSUB(s1, REG_FTMP3, d);
1373                         emit_store_dst(jd, iptr, d);
1374                     break;
1375
1376                 case ICMD_DREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
1377
1378                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1379                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1380                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1381                         M_DDIV(s1,s2, REG_FTMP3);
1382                         M_FLOORDL(REG_FTMP3, REG_FTMP3);
1383                         M_CVTLD(REG_FTMP3, REG_FTMP3);
1384                         M_DMUL(REG_FTMP3, s2, REG_FTMP3);
1385                         M_DSUB(s1, REG_FTMP3, d);
1386                         emit_store_dst(jd, iptr, d);
1387                     break;
1388 #endif
1389
1390                 case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
1391                 case ICMD_L2F:
1392                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1393                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1394                         M_MOVLD(s1, d);
1395                         M_CVTLF(d, d);
1396                         emit_store_dst(jd, iptr, d);
1397                         break;
1398
1399                 case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
1400                 case ICMD_L2D:
1401                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1402                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1403                         M_MOVLD(s1, d);
1404                         M_CVTLD(d, d);
1405                         emit_store_dst(jd, iptr, d);
1406                         break;
1407
1408 #if 0
1409                 /* XXX these do not work correctly */
1410
1411                 case ICMD_F2I:       /* ..., (float) value  ==> ..., (int) value      */
1412
1413                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1414                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1415                         M_TRUNCFI(s1, REG_FTMP1);
1416                         M_MOVDI(REG_FTMP1, d);
1417                         M_NOP;
1418                         emit_store_dst(jd, iptr, d);
1419                         break;
1420
1421                 case ICMD_D2I:       /* ..., (double) value  ==> ..., (int) value     */
1422
1423                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1424                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1425                         M_TRUNCDI(s1, REG_FTMP1);
1426                         M_MOVDI(REG_FTMP1, d);
1427                         M_NOP;
1428                         emit_store_dst(jd, iptr, d);
1429                         break;
1430
1431                 case ICMD_F2L:       /* ..., (float) value  ==> ..., (long) value     */
1432
1433                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1434                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1435                         M_TRUNCFL(s1, REG_FTMP1);
1436                         M_MOVDL(REG_FTMP1, d);
1437                         M_NOP;
1438                         emit_store_dst(jd, iptr, d);
1439                         break;
1440
1441                 case ICMD_D2L:       /* ..., (double) value  ==> ..., (long) value    */
1442
1443                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1444                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1445                         M_TRUNCDL(s1, REG_FTMP1);
1446                         M_MOVDL(REG_FTMP1, d);
1447                         M_NOP;
1448                         emit_store_dst(jd, iptr, d);
1449                         break;
1450 #endif
1451
1452                 case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
1453
1454                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1455                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1456                         M_CVTFD(s1, d);
1457                         emit_store_dst(jd, iptr, d);
1458                         break;
1459
1460                 case ICMD_D2F:       /* ..., value  ==> ..., (double) value           */
1461
1462                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1463                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1464                         M_CVTDF(s1, d);
1465                         emit_store_dst(jd, iptr, d);
1466                         break;
1467
1468 #if SUPPORT_FLOAT_CMP
1469                 case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1470
1471                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1472                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1473                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1474                         M_FCMPULEF(s1, s2);
1475                         M_FBT(3);
1476                         M_AADD_IMM(REG_ZERO, 1, d);
1477                         M_BR(4);
1478                         M_NOP;
1479                         M_FCMPEQF(s1, s2);
1480                         M_ASUB_IMM(REG_ZERO, 1, d);
1481                         M_CMOVT(REG_ZERO, d);
1482                         emit_store_dst(jd, iptr, d);
1483                         break;
1484
1485                 case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1486
1487                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1488                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1489                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1490                         M_FCMPOLTF(s1, s2);
1491                         M_FBF(3);
1492                         M_ASUB_IMM(REG_ZERO, 1, d);
1493                         M_BR(4);
1494                         M_NOP;
1495                         M_FCMPEQF(s1, s2);
1496                         M_AADD_IMM(REG_ZERO, 1, d);
1497                         M_CMOVT(REG_ZERO, d);
1498                         emit_store_dst(jd, iptr, d);
1499                         break;
1500 #endif
1501
1502 #if SUPPORT_DOUBLE_CMP
1503                 case ICMD_DCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
1504
1505                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1506                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1507                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1508                         M_FCMPULED(s1, s2);
1509                         M_FBT(3);
1510                         M_AADD_IMM(REG_ZERO, 1, d);
1511                         M_BR(4);
1512                         M_NOP;
1513                         M_FCMPEQD(s1, s2);
1514                         M_ASUB_IMM(REG_ZERO, 1, d);
1515                         M_CMOVT(REG_ZERO, d);
1516                         emit_store_dst(jd, iptr, d);
1517                         break;
1518
1519                 case ICMD_DCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
1520
1521                         s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1522                         s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1523                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1524                         M_FCMPOLTD(s1, s2);
1525                         M_FBF(3);
1526                         M_ASUB_IMM(REG_ZERO, 1, d);
1527                         M_BR(4);
1528                         M_NOP;
1529                         M_FCMPEQD(s1, s2);
1530                         M_AADD_IMM(REG_ZERO, 1, d);
1531                         M_CMOVT(REG_ZERO, d);
1532                         emit_store_dst(jd, iptr, d);
1533                         break;
1534 #endif
1535
1536
1537                 /* memory operations **************************************************/
1538
1539                 case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
1540
1541                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1542                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1543                         /* implicit null-pointer check */
1544                         M_ILD(d, s1, OFFSET(java_array_t, size));
1545                         emit_store_dst(jd, iptr, d);
1546                         break;
1547
1548                 case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
1549
1550                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1551                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1552                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1553                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1554                         M_AADD(s2, s1, REG_ITMP3);
1555                         /* implicit null-pointer check */
1556                         M_BLDS(d, REG_ITMP3, OFFSET(java_bytearray_t, data[0]));
1557                         emit_store_dst(jd, iptr, d);
1558                         break;
1559
1560                 case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
1561
1562                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1563                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1564                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1565                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1566                         M_AADD(s2, s1, REG_ITMP3);
1567                         M_AADD(s2, REG_ITMP3, REG_ITMP3);
1568                         /* implicit null-pointer check */
1569                         M_SLDU(d, REG_ITMP3, OFFSET(java_chararray_t, data[0]));
1570                         emit_store_dst(jd, iptr, d);
1571                         break;
1572
1573                 case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
1574
1575                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1576                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1577                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1578                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1579                         M_AADD(s2, s1, REG_ITMP3);
1580                         M_AADD(s2, REG_ITMP3, REG_ITMP3);
1581                         /* implicit null-pointer check */
1582                         M_SLDS(d, REG_ITMP3, OFFSET(java_shortarray_t, data[0]));
1583                         emit_store_dst(jd, iptr, d);
1584                         break;
1585
1586                 case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
1587
1588                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1589                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1590                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1591                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1592                         M_ASLL_IMM(s2, 2, REG_ITMP3);
1593                         M_AADD(REG_ITMP3, s1, REG_ITMP3);
1594                         /* implicit null-pointer check */
1595                         M_ILD_INTERN(d, REG_ITMP3, OFFSET(java_intarray_t, data[0]));
1596                         emit_store_dst(jd, iptr, d);
1597                         break;
1598
1599                 case ICMD_LALOAD:     /* ..., arrayref, index  ==> ..., value         */
1600
1601                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1602                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1603 #if SIZEOF_VOID_P == 8
1604                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1605 #else
1606                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1607 #endif
1608                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1609                         M_ASLL_IMM(s2, 3, REG_ITMP3);
1610                         M_AADD(REG_ITMP3, s1, REG_ITMP3);
1611                         /* implicit null-pointer check */
1612                         M_LLD_INTERN(d, REG_ITMP3, OFFSET(java_longarray_t, data[0]));
1613                         emit_store_dst(jd, iptr, d);
1614                         break;
1615
1616                 case ICMD_FALOAD:     /* ..., arrayref, index  ==> ..., value         */
1617
1618                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1619                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1620                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1621                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1622                         M_ASLL_IMM(s2, 2, REG_ITMP3);
1623                         M_AADD(REG_ITMP3, s1, REG_ITMP3);
1624                         /* implicit null-pointer check */
1625                         M_FLD_INTERN(d, REG_ITMP3, OFFSET(java_floatarray_t, data[0]));
1626                         emit_store_dst(jd, iptr, d);
1627                         break;
1628
1629                 case ICMD_DALOAD:     /* ..., arrayref, index  ==> ..., value         */
1630
1631                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1632                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1633                         d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1634                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1635                         M_ASLL_IMM(s2, 3, REG_ITMP3);
1636                         M_AADD(REG_ITMP3, s1, REG_ITMP3);
1637                         /* implicit null-pointer check */
1638                         M_DLD_INTERN(d, REG_ITMP3, OFFSET(java_doublearray_t, data[0]));
1639                         emit_store_dst(jd, iptr, d);
1640                         break;
1641
1642                 case ICMD_AALOAD:     /* ..., arrayref, index  ==> ..., value         */
1643
1644                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1645                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1646                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1647                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1648                         M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP3);
1649                         M_AADD(REG_ITMP3, s1, REG_ITMP3);
1650                         /* implicit null-pointer check */
1651                         M_ALD_INTERN(d, REG_ITMP3, OFFSET(java_objectarray_t, data[0]));
1652                         emit_store_dst(jd, iptr, d);
1653                         break;
1654
1655
1656                 case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
1657
1658                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1659                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1660                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1661                         M_AADD(s2, s1, REG_ITMP1);
1662                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1663                         /* implicit null-pointer check */
1664                         M_BST(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1665                         break;
1666
1667                 case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
1668                 case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
1669
1670                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1671                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1672                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1673                         M_AADD(s2, s1, REG_ITMP1);
1674                         M_AADD(s2, REG_ITMP1, REG_ITMP1);
1675                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1676                         /* implicit null-pointer check */
1677                         M_SST(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1678                         break;
1679
1680                 case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
1681
1682                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1683                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1684                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1685                         M_ASLL_IMM(s2, 2, REG_ITMP2);
1686                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1687                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1688                         /* implicit null-pointer check */
1689                         M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1690                         break;
1691
1692                 case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
1693
1694                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1695                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1696                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1697                         M_ASLL_IMM(s2, 3, REG_ITMP2);
1698                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1699 #if SIZEOF_VOID_P == 8
1700                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1701 #else
1702                         s3 = emit_load_s3(jd, iptr, REG_ITMP23_PACKED);
1703 #endif
1704                         /* implicit null-pointer check */
1705                         M_LST_INTERN(s3, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1706                         break;
1707
1708                 case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
1709
1710                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1711                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1712                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1713                         M_ASLL_IMM(s2, 2, REG_ITMP2);
1714                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1715                         s3 = emit_load_s3(jd, iptr, REG_FTMP1);
1716                         /* implicit null-pointer check */
1717                         M_FST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1718                         break;
1719
1720                 case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
1721
1722                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1723                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1724                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1725                         M_ASLL_IMM(s2, 3, REG_ITMP2);
1726                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1727                         s3 = emit_load_s3(jd, iptr, REG_FTMP1);
1728                         /* implicit null-pointer check */
1729                         M_DST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1730                         break;
1731
1732
1733                 case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
1734
1735                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1736                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1737                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1738                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1739
1740                         M_INTMOVE(s1, REG_A0);
1741                         M_INTMOVE(s3, REG_A1);
1742                         disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
1743                         M_ALD(REG_ITMP3, REG_PV, disp);
1744                         M_JSR(REG_RA, REG_ITMP3);
1745                         M_NOP;
1746                         emit_arraystore_check(cd, iptr);
1747
1748                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1749                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1750                         M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
1751                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1752                         s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1753                         /* implicit null-pointer check */
1754                         M_AST_INTERN(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1755                         break;
1756
1757
1758                 case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
1759
1760                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1761                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1762                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1763                         M_AADD(s2, s1, REG_ITMP1);
1764                         /* implicit null-pointer check */
1765                         M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1766                         break;
1767
1768                 case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
1769                 case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
1770
1771                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1772                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1773                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1774                         M_AADD(s2, s1, REG_ITMP1);
1775                         M_AADD(s2, REG_ITMP1, REG_ITMP1);
1776                         /* implicit null-pointer check */
1777                         M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1778                         break;
1779
1780                 case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
1781
1782                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1783                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1784                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1785                         M_ASLL_IMM(s2, 2, REG_ITMP2);
1786                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1787                         /* implicit null-pointer check */
1788                         M_IST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1789                         break;
1790
1791                 case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
1792
1793                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1794                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1795                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1796                         M_ASLL_IMM(s2, 3, REG_ITMP2);
1797                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1798                         /* implicit null-pointer check */
1799 #if SIZEOF_VOID_P == 8
1800                         M_LST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1801 #else
1802                         M_LST_INTERN(PACK_REGS(REG_ZERO, REG_ZERO), REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1803 #endif
1804                         break;
1805
1806                 case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
1807
1808                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1809                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1810                         emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1811                         M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
1812                         M_AADD(REG_ITMP2, s1, REG_ITMP1);
1813                         /* implicit null-pointer check */
1814                         M_AST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1815                         break;
1816
1817
1818                 case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
1819
1820                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1821                                 uf        = iptr->sx.s23.s3.uf;
1822                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1823                                 disp      = dseg_add_unique_address(cd, uf);
1824
1825                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1826                         }
1827                         else {
1828                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1829                                 fieldtype = fi->type;
1830                                 disp      = dseg_add_address(cd, fi->value);
1831
1832                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1833                                         patcher_add_patch_ref(jd, PATCHER_initialize_class,
1834                                                                                   fi->clazz, disp);
1835                         }
1836
1837                         M_ALD(REG_ITMP1, REG_PV, disp);
1838
1839                         switch (fieldtype) {
1840                         case TYPE_INT:
1841                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1842                                 M_ILD_INTERN(d, REG_ITMP1, 0);
1843                                 break;
1844                         case TYPE_LNG:
1845 #if SIZEOF_VOID_P == 8
1846                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1847 #else
1848                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP23_PACKED);
1849 #endif
1850                                 M_LLD_INTERN(d, REG_ITMP1, 0);
1851                                 break;
1852                         case TYPE_ADR:
1853                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1854                                 M_ALD_INTERN(d, REG_ITMP1, 0);
1855                                 break;
1856                         case TYPE_FLT:
1857                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1858                                 M_FLD_INTERN(d, REG_ITMP1, 0);
1859                                 break;
1860                         case TYPE_DBL:
1861                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1862                                 M_DLD_INTERN(d, REG_ITMP1, 0);
1863                                 break;
1864                         }
1865                         emit_store_dst(jd, iptr, d);
1866                         break;
1867
1868                 case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
1869
1870                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1871                                 uf        = iptr->sx.s23.s3.uf;
1872                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1873                                 disp      = dseg_add_unique_address(cd, uf);
1874
1875                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1876                         }
1877                         else {
1878                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1879                                 fieldtype = fi->type;
1880                                 disp      = dseg_add_address(cd, fi->value);
1881
1882                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1883                                         patcher_add_patch_ref(jd, PATCHER_initialize_class,
1884                                                                                   fi->clazz, disp);
1885                         }
1886
1887                         M_ALD(REG_ITMP1, REG_PV, disp);
1888
1889                         switch (fieldtype) {
1890                         case TYPE_INT:
1891                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1892                                 M_IST_INTERN(s1, REG_ITMP1, 0);
1893                                 break;
1894                         case TYPE_LNG:
1895 #if SIZEOF_VOID_P == 8
1896                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1897 #else
1898                                 s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
1899 #endif
1900                                 M_LST_INTERN(s1, REG_ITMP1, 0);
1901                                 break;
1902                         case TYPE_ADR:
1903                                 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1904                                 M_AST_INTERN(s1, REG_ITMP1, 0);
1905                                 break;
1906                         case TYPE_FLT:
1907                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1908                                 M_FST_INTERN(s1, REG_ITMP1, 0);
1909                                 break;
1910                         case TYPE_DBL:
1911                                 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1912                                 M_DST_INTERN(s1, REG_ITMP1, 0);
1913                                 break;
1914                         }
1915                         break;
1916
1917                 case ICMD_PUTSTATICCONST: /* ...  ==> ...                             */
1918
1919                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1920                                 uf        = iptr->sx.s23.s3.uf;
1921                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1922                                 disp      = dseg_add_unique_address(cd, uf);
1923
1924                                 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1925                         }
1926                         else {
1927                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1928                                 fieldtype = fi->type;
1929                                 disp      = dseg_add_address(cd, fi->value);
1930
1931                                 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1932                                         patcher_add_patch_ref(jd, PATCHER_initialize_class,
1933                                                                                   fi->clazz, disp);
1934                         }
1935
1936                         M_ALD(REG_ITMP1, REG_PV, disp);
1937
1938                         switch (fieldtype) {
1939                         case TYPE_INT:
1940                                 M_IST_INTERN(REG_ZERO, REG_ITMP1, 0);
1941                                 break;
1942                         case TYPE_LNG:
1943                                 M_LST_INTERN(REG_ZERO, REG_ITMP1, 0);
1944                                 break;
1945                         case TYPE_ADR:
1946                                 M_AST_INTERN(REG_ZERO, REG_ITMP1, 0);
1947                                 break;
1948                         case TYPE_FLT:
1949                                 M_FST_INTERN(REG_ZERO, REG_ITMP1, 0);
1950                                 break;
1951                         case TYPE_DBL:
1952                                 M_DST_INTERN(REG_ZERO, REG_ITMP1, 0);
1953                                 break;
1954                         }
1955                         break;
1956
1957
1958                 case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
1959
1960                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1961                         emit_nullpointer_check(cd, iptr, s1);
1962
1963                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1964                                 uf        = iptr->sx.s23.s3.uf;
1965                                 fieldtype = uf->fieldref->parseddesc.fd->type;
1966                                 disp      = 0;
1967
1968                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1969                         }
1970                         else {
1971                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
1972                                 fieldtype = fi->type;
1973                                 disp      = fi->offset;
1974                         }
1975
1976                         switch (fieldtype) {
1977                         case TYPE_INT:
1978                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1979                                 M_ILD(d, s1, disp);
1980                                 break;
1981                         case TYPE_LNG:
1982 #if SIZEOF_VOID_P == 8
1983                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1984                                 M_LLD(d, s1, disp);
1985 #else
1986                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP23_PACKED);
1987                                 M_LLD_GETFIELD(d, s1, disp);
1988 #endif
1989                                 break;
1990                         case TYPE_ADR:
1991                                 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1992                                 M_ALD(d, s1, disp);
1993                                 break;
1994                         case TYPE_FLT:
1995                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1996                                 M_FLD(d, s1, disp);
1997                                 break;
1998                         case TYPE_DBL:
1999                                 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
2000                                 M_DLD(d, s1, disp);
2001                                 break;
2002                         }
2003                         emit_store_dst(jd, iptr, d);
2004                         break;
2005
2006                 case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
2007
2008                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2009                         emit_nullpointer_check(cd, iptr, s1);
2010
2011                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2012                                 uf        = iptr->sx.s23.s3.uf;
2013                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2014                                 disp      = 0;
2015                         }
2016                         else {
2017                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
2018                                 fieldtype = fi->type;
2019                                 disp      = fi->offset;
2020                         }
2021
2022 #if SIZEOF_VOID_P == 8
2023                         if (IS_INT_LNG_TYPE(fieldtype))
2024                                 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2025                         else
2026                                 s2 = emit_load_s2(jd, iptr, REG_FTMP1);
2027 #else
2028                         if (IS_INT_LNG_TYPE(fieldtype)) {
2029                                 if (IS_2_WORD_TYPE(fieldtype))
2030                                         s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
2031                                 else
2032                                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2033                         }
2034                         else
2035                                 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
2036 #endif
2037
2038                         if (INSTRUCTION_IS_UNRESOLVED(iptr))
2039                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
2040
2041                         switch (fieldtype) {
2042                         case TYPE_INT:
2043                                 M_IST(s2, s1, disp);
2044                                 break;
2045                         case TYPE_LNG:
2046                                 M_LST(s2, s1, disp);
2047                                 break;
2048                         case TYPE_ADR:
2049                                 M_AST(s2, s1, disp);
2050                                 break;
2051                         case TYPE_FLT:
2052                                 M_FST(s2, s1, disp);
2053                                 break;
2054                         case TYPE_DBL:
2055                                 M_DST(s2, s1, disp);
2056                                 break;
2057                         }
2058                         break;
2059
2060                 case ICMD_PUTFIELDCONST:  /* ..., objectref  ==> ...                  */
2061
2062                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2063                         emit_nullpointer_check(cd, iptr, s1);
2064
2065                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2066                                 uf        = iptr->sx.s23.s3.uf;
2067                                 fieldtype = uf->fieldref->parseddesc.fd->type;
2068                                 disp      = 0;
2069
2070                                 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
2071                         }
2072                         else {
2073                                 fi        = iptr->sx.s23.s3.fmiref->p.field;
2074                                 fieldtype = fi->type;
2075                                 disp      = fi->offset;
2076                         }
2077
2078                         switch (fieldtype) {
2079                         case TYPE_INT:
2080                                 M_IST(REG_ZERO, s1, disp);
2081                                 break;
2082                         case TYPE_LNG:
2083                                 M_LST(REG_ZERO, s1, disp);
2084                                 break;
2085                         case TYPE_ADR:
2086                                 M_AST(REG_ZERO, s1, disp);
2087                                 break;
2088                         case TYPE_FLT:
2089                                 M_FST(REG_ZERO, s1, disp);
2090                                 break;
2091                         case TYPE_DBL:
2092                                 M_DST(REG_ZERO, s1, disp);
2093                                 break;
2094                         }
2095                         break;
2096
2097
2098                 /* branch operations **************************************************/
2099
2100                 case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
2101
2102                         // Some processor implementations seem to have a problem when using
2103                         // the JALR instruction with (reg_dest == reg_src), so avoid that.
2104                         disp = dseg_add_functionptr(cd, asm_handle_exception);
2105                         M_ALD(REG_ITMP3, REG_PV, disp);
2106                         M_JSR(REG_ITMP2_XPC, REG_ITMP3);
2107                         M_NOP;
2108                         M_NOP;              /* nop ensures that XPC is less than the end */
2109                                             /* of basic block                            */
2110                         break;
2111
2112                 case ICMD_IFEQ:         /* ..., value ==> ...                         */
2113
2114                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2115                         ICONST(REG_ITMP2, iptr->sx.val.i);
2116                         emit_beq(cd, iptr->dst.block, s1, REG_ITMP2);
2117                         break;
2118
2119                 case ICMD_IFLT:         /* ..., value ==> ...                         */
2120
2121                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2122                         if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
2123                                 M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2124                         else {
2125                                 ICONST(REG_ITMP2, iptr->sx.val.i);
2126                                 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2127                         }
2128                         emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2129                         break;
2130
2131                 case ICMD_IFLE:         /* ..., value ==> ...                         */
2132
2133                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2134                         if ((iptr->sx.val.i >= -32769) && (iptr->sx.val.i <= 32766)) {
2135                                 M_CMPLT_IMM(s1, iptr->sx.val.i + 1, REG_ITMP1);
2136                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2137                         }
2138                         else {
2139                                 ICONST(REG_ITMP2, iptr->sx.val.i);
2140                                 M_CMPGT(s1, REG_ITMP2, REG_ITMP1);
2141                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2142                         }
2143                         break;
2144
2145                 case ICMD_IFNE:         /* ..., value ==> ...                         */
2146
2147                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2148                         ICONST(REG_ITMP2, iptr->sx.val.i);
2149                         emit_bne(cd, iptr->dst.block, s1, REG_ITMP2);
2150                         break;
2151
2152                 case ICMD_IFGT:         /* ..., value ==> ...                         */
2153
2154                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2155                         if ((iptr->sx.val.i >= -32769) && (iptr->sx.val.i <= 32766)) {
2156                                 M_CMPLT_IMM(s1, iptr->sx.val.i + 1, REG_ITMP1);
2157                                 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2158                         }
2159                         else {
2160                                 ICONST(REG_ITMP2, iptr->sx.val.i);
2161                                 M_CMPGT(s1, REG_ITMP2, REG_ITMP1);
2162                                 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2163                         }
2164                         break;
2165
2166                 case ICMD_IFGE:         /* ..., value ==> ...                         */
2167
2168                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2169                         if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
2170                                 M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2171                         else {
2172                                 ICONST(REG_ITMP2, iptr->sx.val.i);
2173                                 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2174                         }
2175                         emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2176                         break;
2177
2178                 case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
2179
2180 #if SIZEOF_VOID_P == 8
2181                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2182                         if (iptr->sx.val.l == 0)
2183                                 emit_beqz(cd, iptr->dst.block, s1);
2184                         else {
2185                                 LCONST(REG_ITMP2, iptr->sx.val.l);
2186                                 emit_beq(cd, iptr->dst.block, s1, REG_ITMP2);
2187                         }
2188 #else
2189                         if (iptr->sx.val.l == 0) {
2190                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
2191                                 M_OR(GET_LOW_REG(s1), GET_HIGH_REG(s1), REG_ITMP3);
2192                                 emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2193                         }
2194                         else {
2195                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2196                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2197                                 M_XOR(s1, REG_ITMP2, REG_ITMP2);
2198                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2199                                 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
2200                                 M_XOR(s1, REG_ITMP3, REG_ITMP3);
2201                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2202                                 emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2203                         }
2204 #endif
2205                         break;
2206
2207                 case ICMD_IF_LLT:       /* ..., value ==> ...                         */
2208
2209 #if SIZEOF_VOID_P == 8
2210                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2211                         if (iptr->sx.val.l == 0)
2212                                 emit_bltz(cd, iptr->dst.block, s1);
2213                         else {
2214                                 if ((iptr->sx.val.l >= -32768) && (iptr->sx.val.l <= 32767))
2215                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP3);
2216                                 else {
2217                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2218                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP3);
2219                                 }
2220                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2221                         }
2222 #else
2223                         if (iptr->sx.val.l == 0) {
2224                                 /* if high word is less than zero, the whole long is too */
2225                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2226                                 emit_bltz(cd, iptr->dst.block, s1);
2227                         }
2228                         else {
2229                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2230                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2231                                 M_CMPLT(s1, REG_ITMP2, REG_ITMP3);
2232                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2233                                 emit_label_bne(cd, BRANCH_LABEL_1, s1, REG_ITMP2);
2234                                 s2 = emit_load_s1_low(jd, iptr, REG_ITMP3);
2235                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
2236                                 M_CMPULT(s2, REG_ITMP2, REG_ITMP3);
2237                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2238                                 emit_label(cd, BRANCH_LABEL_1);
2239                         }
2240 #endif
2241                         break;
2242
2243                 case ICMD_IF_LLE:       /* ..., value ==> ...                         */
2244
2245 #if SIZEOF_VOID_P == 8
2246                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2247                         if (iptr->sx.val.l == 0)
2248                                 emit_blez(cd, iptr->dst.block, s1);
2249                         else {
2250                                 if ((iptr->sx.val.l >= -32769) && (iptr->sx.val.l <= 32766)) {
2251                                         M_CMPLT_IMM(s1, iptr->sx.val.l + 1, REG_ITMP2);
2252                                         emit_bnez(cd, iptr->dst.block, REG_ITMP2);
2253                                 }
2254                                 else {
2255                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2256                                         M_CMPGT(s1, REG_ITMP2, REG_ITMP3);
2257                                         emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2258                                 }
2259                         }
2260 #else
2261                         if (iptr->sx.val.l == 0) {
2262                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
2263                                 emit_label_bgtz(cd, BRANCH_LABEL_1, GET_HIGH_REG(s1));
2264                                 emit_bltz(cd, iptr->dst.block, GET_HIGH_REG(s1));
2265                                 emit_beqz(cd, iptr->dst.block, GET_LOW_REG(s1));
2266                                 emit_label(cd, BRANCH_LABEL_1);
2267                         }
2268                         else {
2269                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2270                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2271                                 M_CMPLT(s1, REG_ITMP2, REG_ITMP3);
2272                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2273                                 emit_label_bne(cd, BRANCH_LABEL_1, s1, REG_ITMP2);
2274                                 s2 = emit_load_s1_low(jd, iptr, REG_ITMP3);
2275                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
2276                                 M_CMPUGT(s2, REG_ITMP2, REG_ITMP3);
2277                                 emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2278                                 emit_label(cd, BRANCH_LABEL_1);
2279                         }
2280 #endif
2281                         break;
2282
2283                 case ICMD_IF_LNE:       /* ..., value ==> ...                         */
2284
2285 #if SIZEOF_VOID_P == 8
2286                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2287                         if (iptr->sx.val.l == 0)
2288                                 emit_bnez(cd, iptr->dst.block, s1);
2289                         else {
2290                                 LCONST(REG_ITMP2, iptr->sx.val.l);
2291                                 emit_bne(cd, iptr->dst.block, s1, REG_ITMP2);
2292                         }
2293 #else
2294                         if (iptr->sx.val.l == 0) {
2295                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
2296                                 M_OR(GET_LOW_REG(s1), GET_HIGH_REG(s1), REG_ITMP3);
2297                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2298                         }
2299                         else {
2300                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2301                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2302                                 M_XOR(s1, REG_ITMP2, REG_ITMP2);
2303                                 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2304                                 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
2305                                 M_XOR(s1, REG_ITMP3, REG_ITMP3);
2306                                 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2307                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2308                         }
2309 #endif
2310                         break;
2311
2312                 case ICMD_IF_LGT:       /* ..., value ==> ...                         */
2313
2314 #if SIZEOF_VOID_P == 8
2315                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2316                         if (iptr->sx.val.l == 0)
2317                                 emit_bgtz(cd, iptr->dst.block, s1);
2318                         else {
2319                                 if ((iptr->sx.val.l >= -32769) && (iptr->sx.val.l <= 32766)) {
2320                                         M_CMPLT_IMM(s1, iptr->sx.val.l + 1, REG_ITMP2);
2321                                         emit_beqz(cd, iptr->dst.block, REG_ITMP2);
2322                                 }
2323                                 else {
2324                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2325                                         M_CMPGT(s1, REG_ITMP2, REG_ITMP3);
2326                                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2327                                 }
2328                         }
2329 #else
2330                         if (iptr->sx.val.l == 0) {
2331                                 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
2332                                 emit_bgtz(cd, iptr->dst.block, GET_HIGH_REG(s1));
2333                                 emit_label_bltz(cd, BRANCH_LABEL_1, GET_HIGH_REG(s1));
2334                                 emit_bnez(cd, iptr->dst.block, GET_LOW_REG(s1));
2335                                 emit_label(cd, BRANCH_LABEL_1);
2336                         }
2337                         else {
2338                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2339                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2340                                 M_CMPGT(s1, REG_ITMP2, REG_ITMP3);
2341                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2342                                 emit_label_bne(cd, BRANCH_LABEL_1, s1, REG_ITMP2);
2343                                 s2 = emit_load_s1_low(jd, iptr, REG_ITMP3);
2344                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
2345                                 M_CMPUGT(s2, REG_ITMP2, REG_ITMP3);
2346                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2347                                 emit_label(cd, BRANCH_LABEL_1);
2348                         }
2349 #endif
2350                         break;
2351
2352                 case ICMD_IF_LGE:       /* ..., value ==> ...                         */
2353
2354 #if SIZEOF_VOID_P == 8
2355                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2356                         if (iptr->sx.val.l == 0)
2357                                 emit_bgez(cd, iptr->dst.block, s1);
2358                         else {
2359                                 if ((iptr->sx.val.l >= -32768) && (iptr->sx.val.l <= 32767)) {
2360                                         M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP3);
2361                                 }
2362                                 else {
2363                                         LCONST(REG_ITMP2, iptr->sx.val.l);
2364                                         M_CMPLT(s1, REG_ITMP2, REG_ITMP3);
2365                                 }
2366                                 emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2367                         }
2368 #else
2369                         if (iptr->sx.val.l == 0) {
2370                                 /* if high word is greater equal zero, the whole long is too */
2371                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2372                                 emit_bgez(cd, iptr->dst.block, s1);
2373                         }
2374                         else {
2375                                 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2376                                 ICONST(REG_ITMP2, iptr->sx.val.l >> 32);
2377                                 M_CMPGT(s1, REG_ITMP2, REG_ITMP3);
2378                                 emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2379                                 emit_label_bne(cd, BRANCH_LABEL_1, s1, REG_ITMP2);
2380                                 s2 = emit_load_s1_low(jd, iptr, REG_ITMP3);
2381                                 ICONST(REG_ITMP2, iptr->sx.val.l & 0xffffffff);
2382                                 M_CMPULT(s2, REG_ITMP2, REG_ITMP3);
2383                                 emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2384                                 emit_label(cd, BRANCH_LABEL_1);
2385                         }
2386 #endif
2387                         break;
2388
2389 #if SIZEOF_VOID_P == 8
2390                 case ICMD_IF_LCMPEQ:
2391 #endif
2392
2393                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2394                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2395                         emit_beq(cd, iptr->dst.block, s1, s2);
2396                         break;
2397
2398 #if SIZEOF_VOID_P == 4
2399                 case ICMD_IF_LCMPEQ:    /* ..., value, value ==> ...                  */
2400                                         /* op1 = target JavaVM pc                     */
2401
2402                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2403                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2404                         emit_label_bne(cd, BRANCH_LABEL_1, s1, s2);
2405                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2406                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2407                         emit_beq(cd, iptr->dst.block, s1, s2);
2408                         emit_label(cd, BRANCH_LABEL_1);
2409                         break;
2410 #endif
2411
2412 #if SIZEOF_VOID_P == 8
2413                 case ICMD_IF_LCMPNE:
2414 #endif
2415
2416                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2417                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2418                         emit_bne(cd, iptr->dst.block, s1, s2);
2419                         break;
2420
2421 #if SIZEOF_VOID_P == 4
2422                 case ICMD_IF_LCMPNE:    /* ..., value, value ==> ...                  */
2423
2424                         /* TODO: could be optimized (XOR or SUB) */
2425                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2426                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2427                         emit_bne(cd, iptr->dst.block, s1, s2);
2428                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2429                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2430                         emit_bne(cd, iptr->dst.block, s1, s2);
2431                         break;
2432 #endif
2433
2434                 case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
2435 #if SIZEOF_VOID_P == 8
2436                 case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
2437 #endif
2438
2439                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2440                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2441                         M_CMPLT(s1, s2, REG_ITMP3);
2442                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2443                         break;
2444
2445 #if SIZEOF_VOID_P == 4
2446                 case ICMD_IF_LCMPLT:    /* ..., value, value ==> ...                  */
2447
2448                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2449                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2450                         M_CMPLT(s1, s2, REG_ITMP3);
2451                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2452                         M_CMPGT(s1, s2, REG_ITMP3);
2453                         emit_label_bnez(cd, BRANCH_LABEL_1, REG_ITMP3);
2454                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2455                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2456                         M_CMPULT(s1, s2, REG_ITMP3);
2457                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2458                         emit_label(cd, BRANCH_LABEL_1);
2459                         break;
2460 #endif
2461
2462                 case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
2463 #if SIZEOF_VOID_P == 8
2464                 case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
2465 #endif
2466
2467                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2468                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2469                         M_CMPGT(s1, s2, REG_ITMP3);
2470                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2471                         break;
2472
2473 #if SIZEOF_VOID_P == 4
2474                 case ICMD_IF_LCMPGT:    /* ..., value, value ==> ...                  */
2475
2476                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2477                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2478                         M_CMPGT(s1, s2, REG_ITMP3);
2479                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2480                         M_CMPLT(s1, s2, REG_ITMP3);
2481                         emit_label_bnez(cd, BRANCH_LABEL_1, REG_ITMP3);
2482                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2483                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2484                         M_CMPUGT(s1, s2, REG_ITMP3);
2485                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2486                         emit_label(cd, BRANCH_LABEL_1);
2487                         break;
2488 #endif
2489
2490                 case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
2491 #if SIZEOF_VOID_P == 8
2492                 case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
2493 #endif
2494
2495                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2496                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2497                         M_CMPGT(s1, s2, REG_ITMP3);
2498                         emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2499                         break;
2500
2501 #if SIZEOF_VOID_P == 4
2502                 case ICMD_IF_LCMPLE:    /* ..., value, value ==> ...                  */
2503
2504                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2505                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2506                         M_CMPLT(s1, s2, REG_ITMP3);
2507                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2508                         M_CMPGT(s1, s2, REG_ITMP3);
2509                         emit_label_bnez(cd, BRANCH_LABEL_1, REG_ITMP3);
2510                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2511                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2512                         M_CMPUGT(s1, s2, REG_ITMP3);
2513                         emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2514                         emit_label(cd, BRANCH_LABEL_1);
2515                         break;
2516 #endif
2517
2518                 case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
2519 #if SIZEOF_VOID_P == 8
2520                 case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
2521 #endif
2522
2523                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2524                         s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2525                         M_CMPLT(s1, s2, REG_ITMP3);
2526                         emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2527                         break;
2528
2529 #if SIZEOF_VOID_P == 4
2530                 case ICMD_IF_LCMPGE:    /* ..., value, value ==> ...                  */
2531
2532                         s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2533                         s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2534                         M_CMPGT(s1, s2, REG_ITMP3);
2535                         emit_bnez(cd, iptr->dst.block, REG_ITMP3);
2536                         M_CMPLT(s1, s2, REG_ITMP3);
2537                         emit_label_bnez(cd, BRANCH_LABEL_1, REG_ITMP3);
2538                         s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2539                         s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2540                         M_CMPULT(s1, s2, REG_ITMP3);
2541                         emit_beqz(cd, iptr->dst.block, REG_ITMP3);
2542                         emit_label(cd, BRANCH_LABEL_1);
2543                         break;
2544 #endif
2545
2546                 case ICMD_TABLESWITCH:  /* ..., index ==> ...                         */
2547                         {
2548                         s4 i, l;
2549                         branch_target_t *table;
2550
2551                         table = iptr->dst.table;
2552
2553                         l = iptr->sx.s23.s2.tablelow;
2554                         i = iptr->sx.s23.s3.tablehigh;
2555
2556                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2557                         if (l == 0)
2558                                 {M_INTMOVE(s1, REG_ITMP1);}
2559                         else if (l <= 32768) {
2560                                 M_IADD_IMM(s1, -l, REG_ITMP1);
2561                                 }
2562                         else {
2563                                 ICONST(REG_ITMP2, l);
2564                                 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2565                                 }
2566
2567                         /* number of targets */
2568                         i = i - l + 1;
2569
2570                         /* range check */
2571
2572                         M_CMPULT_IMM(REG_ITMP1, i, REG_ITMP2);
2573                         emit_beqz(cd, table[0].block, REG_ITMP2);
2574
2575                         /* build jump table top down and use address of lowest entry */
2576
2577                         table += i;
2578
2579                         while (--i >= 0) {
2580                                 dseg_add_target(cd, table->block);
2581                                 --table;
2582                         }
2583                         }
2584
2585                         /* length of dataseg after last dseg_add_target is used by load */
2586
2587                         M_ASLL_IMM(REG_ITMP1, POINTERSHIFT, REG_ITMP1);
2588                         M_AADD(REG_ITMP1, REG_PV, REG_ITMP2);
2589                         M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2590                         M_JMP(REG_ITMP2);
2591                         M_NOP;
2592                         ALIGNCODENOP;
2593                         break;
2594
2595                 case ICMD_BUILTIN:
2596                         bte = iptr->sx.s23.s3.bte;
2597                         if (bte->stub == NULL) {
2598                                 disp = dseg_add_functionptr(cd, bte->fp);
2599                                 M_ALD(REG_ITMP3, REG_PV, disp);  /* built-in-function pointer */
2600
2601                                 /* generate the actual call */
2602
2603                                 /* TWISTI: i actually don't know the reason for using
2604                                    REG_ITMP3 here instead of REG_PV. */
2605
2606                                 M_JSR(REG_RA, REG_ITMP3);
2607                                 M_NOP;
2608                         }
2609                         else {
2610                                 disp = dseg_add_functionptr(cd, bte->stub);
2611                                 M_ALD(REG_PV, REG_PV, disp);          /* method pointer in pv */
2612
2613                                 /* generate the actual call */
2614
2615                                 M_JSR(REG_RA, REG_PV);
2616                                 M_NOP;
2617                         }
2618                         break;
2619
2620                 case ICMD_INVOKESPECIAL:
2621                         emit_nullpointer_check(cd, iptr, REG_A0);
2622                         /* fall through */
2623
2624                 case ICMD_INVOKESTATIC:
2625                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2626                                 um = iptr->sx.s23.s3.um;
2627                                 disp = dseg_add_unique_address(cd, um);
2628
2629                                 patcher_add_patch_ref(jd, PATCHER_invokestatic_special, um,
2630                                                                           disp);
2631                         }
2632                         else {
2633                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2634                                 disp = dseg_add_address(cd, lm->stubroutine);
2635                         }
2636
2637                         M_ALD(REG_PV, REG_PV, disp);          /* method pointer in pv */
2638
2639                         /* generate the actual call */
2640
2641                         M_JSR(REG_RA, REG_PV);
2642                         M_NOP;
2643                         break;
2644
2645                 case ICMD_INVOKEVIRTUAL:
2646                         emit_nullpointer_check(cd, iptr, REG_A0);
2647
2648                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2649                                 um = iptr->sx.s23.s3.um;
2650                                 patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2651
2652                                 s1 = 0;
2653                         }
2654                         else {
2655                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2656                                 s1 = OFFSET(vftbl_t, table[0]) +
2657                                         sizeof(methodptr) * lm->vftblindex;
2658                         }
2659
2660                         /* implicit null-pointer check */
2661                         M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2662                         M_ALD(REG_PV, REG_METHODPTR, s1);
2663
2664                         /* generate the actual call */
2665
2666                         M_JSR(REG_RA, REG_PV);
2667                         M_NOP;
2668                         break;
2669
2670                 case ICMD_INVOKEINTERFACE:
2671                         emit_nullpointer_check(cd, iptr, REG_A0);
2672
2673                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2674                                 um = iptr->sx.s23.s3.um;
2675                                 patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2676
2677                                 s1 = 0;
2678                                 s2 = 0;
2679                         }
2680                         else {
2681                                 lm = iptr->sx.s23.s3.fmiref->p.method;
2682                                 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2683                                         sizeof(methodptr*) * lm->clazz->index;
2684
2685                                 s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
2686                         }
2687
2688                         /* implicit null-pointer check */
2689                         M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2690                         M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2691                         M_ALD(REG_PV, REG_METHODPTR, s2);
2692
2693                         /* generate the actual call */
2694
2695                         M_JSR(REG_RA, REG_PV);
2696                         M_NOP;
2697                         break;
2698
2699
2700
2701 XXX
2702                                 else {
2703                                         s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2704                                         if (IS_2_WORD_TYPE(d))
2705                                                 M_DMOV(REG_FRESULT, s1);
2706                                         else
2707                                                 M_FMOV(REG_FRESULT, s1);
2708                                 }
2709                                 emit_store_dst(jd, iptr, s1);
2710                         }
2711                         break;
2712
2713
2714                 case ICMD_CHECKCAST:  /* ..., objectref ==> ..., objectref            */
2715
2716                         if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2717                                 classinfo *super;
2718                                 s4         superindex;
2719
2720                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2721                                         super      = NULL;
2722                                         superindex = 0;
2723                                 }
2724                                 else {
2725                                         super      = iptr->sx.s23.s3.c.cls;
2726                                         superindex = super->index;
2727                                 }
2728
2729                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2730
2731                                 /* if class is not resolved, check which code to call */
2732
2733                                 if (super == NULL) {
2734                                         emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2735
2736                                         constant_classref *cr = iptr->sx.s23.s3.c.ref;
2737                                         disp = dseg_add_unique_s4(cd, 0);         /* super->flags */
2738
2739                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2740                                                                                   cr, disp);
2741
2742                                         M_ILD(REG_ITMP2, REG_PV, disp);
2743                                         M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
2744                                         emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
2745                                 }
2746
2747                                 /* interface checkcast code */
2748
2749                                 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2750                                         if (super == NULL) {
2751                                                 constant_classref *cr = iptr->sx.s23.s3.c.ref;
2752
2753                                                 patcher_add_patch_ref(jd, PATCHER_checkcast_interface,
2754                                                                                           cr, 0);
2755                                         }
2756                                         else {
2757                                                 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2758                                         }
2759
2760                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2761                                         M_ILD(REG_ITMP3, REG_ITMP2,
2762                                                   OFFSET(vftbl_t, interfacetablelength));
2763                                         M_IADD_IMM(REG_ITMP3, -superindex, REG_ITMP3);
2764                                         emit_classcast_check(cd, iptr, ICMD_IFLE, REG_ITMP3, s1);
2765
2766                                         M_ALD(REG_ITMP3, REG_ITMP2,
2767                                                   OFFSET(vftbl_t, interfacetable[0]) -
2768                                                   superindex * sizeof(methodptr*));
2769                                         emit_classcast_check(cd, iptr, ICMD_IFEQ, REG_ITMP3, s1);
2770
2771                                         if (super == NULL)
2772                                                 emit_label_br(cd, BRANCH_LABEL_4);
2773                                         else
2774                                                 emit_label(cd, BRANCH_LABEL_3);
2775                                 }
2776
2777                                 /* class checkcast code */
2778
2779                                 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2780                                         if (super == NULL) {
2781                                                 emit_label(cd, BRANCH_LABEL_2);
2782
2783                                                 constant_classref *cr = iptr->sx.s23.s3.c.ref;
2784                                                 disp = dseg_add_unique_address(cd, NULL);
2785
2786                                                 patcher_add_patch_ref(jd,
2787                                                                                           PATCHER_resolve_classref_to_vftbl,
2788                                                                                           cr, disp);
2789                                         }
2790                                         else {
2791                                                 disp = dseg_add_address(cd, super->vftbl);
2792
2793                                                 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2794                                         }
2795
2796                                         // The following code checks whether object s is a subtype of class t.
2797                                         // Represents the following semantic:
2798                                         //    if (!fast_subtype_check(s->vftbl, t->vftbl)) throw;
2799
2800                                         M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2801                                         M_ALD(REG_ITMP3, REG_PV, disp);
2802
2803                                         if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
2804                                                 // Represents the following semantic:
2805                                                 //    if (*(s->vftbl + t->vftbl->subtype_offset) == t->vftbl) good;
2806                                                 // Preconditions:
2807                                                 //    REG_ITMP2==s->vftbl; REG_ITMP3==t->vftbl;
2808                                                 M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
2809                                                 M_AADD(REG_ITMP1, REG_ITMP2, REG_ITMP1);
2810                                                 M_ALD(REG_ITMP1, REG_ITMP1, 0);
2811                                                 emit_label_beq(cd, BRANCH_LABEL_6, REG_ITMP1, REG_ITMP3);  /* good */
2812
2813                                                 // Represents the following semantic:
2814                                                 //    if (t->vftbl->subtype_offset != OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE])) throw;
2815                                                 // Preconditions:
2816                                                 //    REG_ITMP3==t->vftbl;
2817                                                 if (super == NULL) {
2818                                                         M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
2819                                                         M_ISUB_IMM(REG_ITMP1, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
2820                                                         emit_label_bnez(cd, BRANCH_LABEL_9, REG_ITMP1);  /* throw */
2821                                                 }
2822
2823                                                 // Represents the following semantic:
2824                                                 //    if (s->vftbl->subtype_depth < t->vftbl->subtype_depth) throw;
2825                                                 // Preconditions:
2826                                                 //    REG_ITMP2==s->vftbl; REG_ITMP3==t->vftbl;
2827                                                 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, subtype_depth));
2828                                                 M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
2829                                                 M_CMPULT(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2830                                                 emit_label_bnez(cd, BRANCH_LABEL_8, REG_ITMP1);  /* throw */
2831
2832                                                 // Represents the following semantic:
2833                                                 //    if (s->vftbl->subtype_overflow[t->vftbl->subtype_depth - DISPLAY_SIZE] != t->vftbl) throw;
2834                                                 // Preconditions:
2835                                                 //    REG_ITMP2==s->vftbl; REG_ITMP3==t->vftbl->subtype_depth;
2836                                                 M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
2837                                                 M_ASLL_IMM(REG_ITMP3, POINTERSHIFT, REG_ITMP3);
2838                                                 M_AADD(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2839                                                 M_ALD(REG_ITMP2, REG_ITMP2, -DISPLAY_SIZE * SIZEOF_VOID_P);
2840                                                 M_ALD(REG_ITMP3, REG_PV, disp);  /* reload REG_ITMP3, was destroyed */
2841                                                 emit_label_beq(cd, BRANCH_LABEL_7, REG_ITMP2, REG_ITMP3);  /* good */
2842
2843                                                 // Throw case
2844                                                 emit_label(cd, BRANCH_LABEL_8);
2845                                                 if (super == NULL)
2846                                                         emit_label(cd, BRANCH_LABEL_9);
2847                                                 emit_load_s1(jd, iptr, REG_ITMP1);  /* reload s1, might have been destroyed */
2848                                                 M_ALD_INTERN(s1, REG_ZERO, TRAP_ClassCastException);
2849
2850                                                 // Good case
2851                                                 emit_label(cd, BRANCH_LABEL_7);
2852                                                 emit_label(cd, BRANCH_LABEL_6);
2853                                                 emit_load_s1(jd, iptr, REG_ITMP1);  /* reload s1, might have been destroyed */
2854                                         }
2855                                         else {
2856                                                 // Represents the following semantic:
2857                                                 //    if (*(s->vftbl + t->vftbl->subtype_offset) != t->vftbl) throw;
2858                                                 // Preconditions:
2859                                                 //    REG_ITMP2==s->vftbl; REG_ITMP3==t->vftbl;
2860                                                 M_ALD(REG_ITMP2, REG_ITMP2, super->vftbl->subtype_offset);
2861                                                 M_BEQ(REG_ITMP2, REG_ITMP3, 2);
2862                                                 M_NOP;  /* delay slot */
2863                                                 M_ALD_INTERN(s1, REG_ZERO, TRAP_ClassCastException);
2864                                         }
2865
2866                                         if (super != NULL)
2867                                                 emit_label(cd, BRANCH_LABEL_5);
2868                                 }
2869
2870                                 if (super == NULL) {
2871                                         emit_label(cd, BRANCH_LABEL_1);
2872                                         emit_label(cd, BRANCH_LABEL_4);
2873                                 }
2874
2875                                 d = codegen_reg_of_dst(jd, iptr, s1);
2876                         }
2877                         else {
2878                                 s1 = emit_load_s1(jd, iptr, REG_A0);
2879                                 M_INTMOVE(s1, REG_A0);
2880
2881                                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2882                                         constant_classref *cr = iptr->sx.s23.s3.c.ref;
2883                                         disp = dseg_add_unique_address(cd, NULL);
2884
2885                                         patcher_add_patch_ref(jd,
2886                                                                                   PATCHER_resolve_classref_to_classinfo,
2887                                                                                   cr, disp);
2888                                 }
2889                                 else {
2890                                         disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2891                                 }
2892
2893                                 M_ALD(REG_A1, REG_PV, disp);
2894                                 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2895                                 M_ALD(REG_ITMP3, REG_PV, disp);
2896                                 M_JSR(REG_RA, REG_ITMP3);
2897                                 M_NOP;
2898
2899                                 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2900                                 emit_classcast_check(cd, iptr, ICMD_IFEQ, REG_RESULT, s1);
2901
2902                                 d = codegen_reg_of_dst(jd, iptr, s1);
2903                         }
2904
2905                         M_INTMOVE(s1, d);
2906                         emit_store_dst(jd, iptr, d);
2907                         break;
2908
2909                 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
2910
2911                         {
2912                         classinfo *super;
2913                         s4         superindex;
2914
2915                         super = iptr->sx.s23.s3.c.cls;
2916
2917                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2918                                 super      = NULL;
2919                                 superindex = 0;
2920                         }
2921                         else {
2922                                 super      = iptr->sx.s23.s3.c.cls;
2923                                 superindex = super->index;
2924                         }
2925
2926                         s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2927                         d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2928
2929                         if (s1 == d) {
2930                                 M_MOV(s1, REG_ITMP1);
2931                                 s1 = REG_ITMP1;
2932                         }
2933
2934                         M_CLR(d);
2935
2936                         /* if class is not resolved, check which code to call */
2937
2938                         if (super == NULL) {
2939                                 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2940
2941                                 constant_classref *cr = iptr->sx.s23.s3.c.ref;
2942                                 disp = dseg_add_unique_s4(cd, 0);             /* super->flags */
2943
2944                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2945                                                                           cr, disp);
2946
2947                                 M_ILD(REG_ITMP3, REG_PV, disp);
2948                                 M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
2949                                 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
2950                         }
2951
2952                         /* interface instanceof code */
2953
2954                         if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2955                                 if (super == NULL) {
2956                                         constant_classref * iptr->sx.s23.s3.c.ref;
2957
2958                                         patcher_add_patch_ref(jd, PATCHER_instanceof_interface,
2959                                                                                   cr, 0);
2960                                 }
2961                                 else {
2962                                         emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2963                                 }
2964
2965                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2966                                 M_ILD(REG_ITMP3, REG_ITMP1,
2967                                           OFFSET(vftbl_t, interfacetablelength));
2968                                 M_IADD_IMM(REG_ITMP3, -superindex, REG_ITMP3);
2969                                 M_BLEZ(REG_ITMP3, 3);
2970                                 M_NOP;
2971                                 M_ALD(REG_ITMP1, REG_ITMP1,
2972                                           OFFSET(vftbl_t, interfacetable[0]) -
2973                                           superindex * sizeof(methodptr*));
2974                                 M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
2975
2976                                 if (super == NULL)
2977                                         emit_label_br(cd, BRANCH_LABEL_4);
2978                                 else
2979                                         emit_label(cd, BRANCH_LABEL_3);
2980                         }
2981
2982                         /* class instanceof code */
2983
2984                         if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2985                                 if (super == NULL) {
2986                                         emit_label(cd, BRANCH_LABEL_2);
2987
2988                                         constant_classref *cr = iptr->sx.s23.s3.c.ref;
2989                                         disp = dseg_add_unique_address(cd, NULL);
2990
2991                                         patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2992                                                                                   cr, disp);
2993                                 }
2994                                 else {
2995                                         disp = dseg_add_address(cd, super->vftbl);
2996
2997                                         emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2998                                 }
2999
3000                                 // The following code checks whether object s is a subtype of class t.
3001                                 // Represents the following semantic:
3002                                 //    fast_subtype_check(s->vftbl, t->vftbl));
3003
3004                                 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
3005                                 M_ALD(REG_ITMP3, REG_PV, disp);
3006
3007                                 if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
3008                                                 // Represents the following semantic:
3009                                                 //    if (*(s->vftbl + t->vftbl->subtype_offset) == t->vftbl) true;
3010                                                 // Preconditions:
3011                                                 //    REG_ITMP1==s->vftbl; REG_ITMP3==t->vftbl;
3012                                                 M_ILD(REG_ITMP2, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
3013                                                 M_AADD(REG_ITMP2, REG_ITMP1, REG_ITMP2);
3014                                                 M_ALD(REG_ITMP2, REG_ITMP2, 0);
3015                                                 emit_label_beq(cd, BRANCH_LABEL_6, REG_ITMP2, REG_ITMP3);  /* true */
3016
3017                                                 // Represents the following semantic:
3018                                                 //    if (t->vftbl->subtype_offset != OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE])) false;
3019                                                 // Preconditions:
3020                                                 //    REG_ITMP3==t->vftbl;
3021                                                 if (super == NULL) {
3022                                                         M_ILD(REG_ITMP2, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
3023                                                         M_ISUB_IMM(REG_ITMP2, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP2);
3024                                                         emit_label_bnez(cd, BRANCH_LABEL_9, REG_ITMP2);  /* false */
3025                                                 }
3026
3027                                                 // Represents the following semantic:
3028                                                 //    if (s->vftbl->subtype_depth < t->vftbl->subtype_depth) false;
3029                                                 // Preconditions:
3030                                                 //    REG_ITMP1==s->vftbl; REG_ITMP3==t->vftbl;
3031                                                 M_ILD(REG_ITMP2, REG_ITMP1, OFFSET(vftbl_t, subtype_depth));
3032                                                 M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
3033                                                 M_CMPULT(REG_ITMP2, REG_ITMP3, REG_ITMP2);
3034                                                 emit_label_bnez(cd, BRANCH_LABEL_8, REG_ITMP2);  /* false */
3035
3036                                                 // Represents the following semantic:
3037                                                 //    if (s->vftbl->subtype_overflow[t->vftbl->subtype_depth - DISPLAY_SIZE] != t->vftbl) false;
3038                                                 // Preconditions:
3039                                                 //    REG_ITMP1==s->vftbl; REG_ITMP3==t->vftbl->subtype_depth;
3040                                                 M_ALD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, subtype_overflow));
3041                                                 M_ASLL_IMM(REG_ITMP3, POINTERSHIFT, REG_ITMP3);
3042                                                 M_AADD(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3043                                                 M_ALD(REG_ITMP1, REG_ITMP1, -DISPLAY_SIZE * SIZEOF_VOID_P);
3044                                                 M_ALD(REG_ITMP3, REG_PV, disp);  /* reload REG_ITMP3, was destroyed */
3045                                                 emit_label_bne(cd, BRANCH_LABEL_7, REG_ITMP1, REG_ITMP3);  /* false */
3046
3047                                                 // True case
3048                                                 emit_label(cd, BRANCH_LABEL_6);
3049                                                 M_MOV(1, d);
3050                                                 if (d == REG_ITMP2) {
3051                                                         M_BR(2);  /* branch over M_CLR */
3052                                                         M_NOP;  /* delay slot */
3053                                                 }
3054
3055                                                 // False (fall-through) case
3056                                                 emit_label(cd, BRANCH_LABEL_7);
3057                                                 emit_label(cd, BRANCH_LABEL_8);
3058                                                 if (super == NULL)
3059                                                         emit_label(cd, BRANCH_LABEL_9);
3060                                                 if (d == REG_ITMP2)
3061                                                         M_CLR(d);  /* if d == REG_ITMP2, it was destroyed */
3062                                 }
3063                                 else {
3064                                         // Represents the following semantic:
3065                                         //    *(s->vftbl + t->vftbl->subtype_offset) == t->vftbl;
3066                                         // Preconditions:
3067                                         //    REG_ITMP1==s->vftbl; REG_ITMP3==t->vftbl;
3068                                         M_ALD(REG_ITMP1, REG_ITMP1, super->vftbl->subtype_offset);
3069                                         M_XOR(REG_ITMP1, REG_ITMP3, d);
3070                                         M_CMPULT_IMM(d, 1, d);
3071                                 }
3072
3073                                 if (super != NULL)
3074                                         emit_label(cd, BRANCH_LABEL_5);
3075                         }
3076
3077                         if (super == NULL) {
3078                                 emit_label(cd, BRANCH_LABEL_1);
3079                                 emit_label(cd, BRANCH_LABEL_4);
3080                         }
3081
3082                         emit_store_dst(jd, iptr, d);
3083                         }
3084                         break;
3085
3086                 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
3087
3088                         /* check for negative sizes and copy sizes to stack if necessary  */
3089
3090                         MCODECHECK((iptr->s1.argcount << 1) + 64);
3091
3092                         for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
3093
3094                                 var = VAR(iptr->sx.s23.s2.args[s1]);
3095
3096                                 /* copy SAVEDVAR sizes to stack */
3097
3098                                 if (!(var->flags & PREALLOC)) {
3099                                         s2 = emit_load(jd, iptr, var, REG_ITMP1);
3100 #if SIZEOF_VOID_P == 8
3101                                         M_LST(s2, REG_SP, s1 * 8);
3102 #else
3103                                         M_IST(s2, REG_SP, (s1 + 2) * 8);
3104 #endif
3105                                 }
3106                         }
3107
3108                         /* a0 = dimension count */
3109
3110                         ICONST(REG_A0, iptr->s1.argcount);
3111
3112                         /* is patcher function set? */
3113
3114                         if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3115                                 constant_classref *cr = iptr->sx.s23.s3.c.ref;
3116                                 disp = dseg_add_unique_address(cd, NULL);
3117
3118                                 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
3119                                                                           cr, disp);
3120                         }
3121                         else {
3122                                 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3123                         }
3124
3125                         /* a1 = arraydescriptor */
3126
3127                         M_ALD(REG_A1, REG_PV, disp);
3128
3129                         /* a2 = pointer to dimensions = stack pointer */
3130
3131 #if SIZEOF_VOID_P == 8
3132                         M_MOV(REG_SP, REG_A2);
3133 #else
3134                         M_AADD_IMM(REG_SP, 4*4, REG_A2);
3135 #endif
3136
3137                         disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3138                         M_ALD(REG_ITMP3, REG_PV, disp);
3139                         M_JSR(REG_RA, REG_ITMP3);
3140                         M_NOP;
3141
3142                         /* check for exception before result assignment */
3143
3144                         emit_exception_check(cd, iptr);
3145
3146                         d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3147                         M_INTMOVE(REG_RESULT, d);
3148                         emit_store_dst(jd, iptr, d);
3149                         break;
3150
3151                 default:
3152                         vm_abort("Unknown ICMD %d during code generation", iptr->opc);
3153         } /* switch */
3154 }
3155
3156
3157 /* codegen_emit_stub_native ****************************************************
3158
3159    Emits a stub routine which calls a native method.
3160
3161 *******************************************************************************/
3162
3163 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
3164 {
3165         methodinfo  *m;
3166         codeinfo    *code;
3167         codegendata *cd;
3168         methoddesc  *md;
3169         s4           i, j;
3170         s4           t;
3171         int          s1, s2;
3172         int          disp;
3173
3174         /* get required compiler data */
3175
3176         m    = jd->m;
3177         code = jd->code;
3178         cd   = jd->cd;
3179
3180         /* initialize variables */
3181
3182         md = m->parseddesc;
3183
3184         /* calculate stack frame size */
3185
3186         cd->stackframesize =
3187                 1 +                             /* return address                     */
3188                 sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
3189                 sizeof(localref_table) / SIZEOF_VOID_P +
3190                 md->paramcount +                /* for saving arguments over calls    */
3191 #if SIZEOF_VOID_P == 4
3192                 5 +                             /* additional save space (MIPS32)     */
3193 #endif
3194                 1 +                             /* for saving return address          */
3195                 nmd->memuse;
3196
3197         /* adjust stackframe size for 16-byte alignment */
3198
3199         if (cd->stackframesize & 1)
3200                 cd->stackframesize++;
3201
3202         /* create method header */
3203
3204         (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
3205         (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
3206         (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
3207         (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
3208         (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
3209
3210         /* generate stub code */
3211
3212         M_LDA(REG_SP, REG_SP, -cd->stackframesize * 8); /* build up stackframe    */
3213         M_AST(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* store RA          */
3214
3215         /* save integer and float argument registers */
3216
3217 #if SIZEOF_VOID_P == 8
3218         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3219                 if (IS_INT_LNG_TYPE(md->params[i].type)) {
3220                         s1 = md->params[i].regoff;
3221                         M_AST(s1, REG_SP, j * 8);
3222                         j++;
3223                 }
3224         }
3225 #else
3226         for (i = 0, j = 5; i < md->paramcount && i < INT_ARG_CNT; i++) {
3227                 if (IS_INT_LNG_TYPE(md->params[i].type)) {
3228                         if (!md->params[i].inmemory) {
3229                                 s1 = md->params[i].regoff;
3230
3231                                 if (IS_2_WORD_TYPE(md->params[i].type))
3232                                         M_LST(s1, REG_SP, j * 8);
3233                                 else
3234                                         M_IST(s1, REG_SP, j * 8);
3235
3236                                 j++;
3237                         }
3238                 }
3239         }
3240 #endif
3241
3242         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3243                 if (IS_FLT_DBL_TYPE(md->params[i].type)) {
3244                         s1 = md->params[i].regoff;
3245
3246                         if (IS_2_WORD_TYPE(md->params[i].type))
3247                                 M_DST(s1, REG_SP, j * 8);
3248                         else
3249                                 M_FST(s1, REG_SP, j * 8);
3250
3251                         j++;
3252                 }
3253         }
3254
3255         /* prepare data structures for native function call */
3256
3257         M_MOV(REG_SP, REG_A0);
3258         M_MOV(REG_PV, REG_A1);
3259         disp = dseg_add_functionptr(cd, codegen_start_native_call);
3260         M_ALD(REG_ITMP3, REG_PV, disp);
3261         M_JSR(REG_RA, REG_ITMP3);
3262         M_NOP; /* XXX fill me! */
3263
3264         /* remember class argument */
3265
3266         if (m->flags & ACC_STATIC)
3267                 M_MOV(REG_RESULT, REG_ITMP3);
3268
3269         /* restore integer and float argument registers */
3270
3271 #if SIZEOF_VOID_P == 8
3272         for (i = 0, j = 0; i < md->paramcount && i < INT_ARG_CNT; i++) {
3273                 if (IS_INT_LNG_TYPE(md->params[i].type)) {
3274                         s1 = md->params[i].regoff;
3275                         M_LLD(s1, REG_SP, j * 8);
3276                         j++;
3277                 }
3278         }
3279 #else
3280         for (i = 0, j = 5; i < md->paramcount && i < INT_ARG_CNT; i++) {
3281                 if (IS_INT_LNG_TYPE(md->params[i].type)) {
3282                         if (!md->params[i].inmemory) {
3283                                 s1 = md->params[i].regoff;
3284
3285                                 if (IS_2_WORD_TYPE(md->params[i].type))
3286                                         M_LLD(s1, REG_SP, j * 8);
3287                                 else
3288                                         M_ILD(s1, REG_SP, j * 8);
3289
3290                                 j++;
3291                         }
3292                 }
3293         }
3294 #endif
3295
3296         for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
3297                 if (IS_FLT_DBL_TYPE(md->params[i].type)) {
3298                         s1 = md->params[i].regoff;
3299
3300                         if (IS_2_WORD_TYPE(md->params[i].type))
3301                                 M_DLD(s1, REG_SP, j * 8);
3302                         else
3303                                 M_FLD(s1, REG_SP, j * 8);
3304
3305                         j++;
3306                 }
3307         }
3308
3309         /* copy or spill arguments to new locations */
3310
3311         for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
3312                 t = md->params[i].type;
3313
3314                 if (IS_INT_LNG_TYPE(t)) {
3315                         if (!md->params[i].inmemory) {
3316                                 s1 = md->params[i].regoff;
3317                                 s2 = nmd->params[j].regoff;
3318
3319                                 if (!nmd->params[j].inmemory) {
3320 #if SIZEOF_VOID_P == 8
3321                                         M_INTMOVE(s1, s2);
3322 #else
3323                                         if (IS_2_WORD_TYPE(t))
3324                                                 M_LNGMOVE(s1, s2);
3325                                         else
3326                                                 M_INTMOVE(s1, s2);
3327 #endif
3328                                 }
3329                                 else {
3330 #if SIZEOF_VOID_P == 8
3331                                         M_LST(s1, REG_SP, s2);
3332 #else
3333                                         if (IS_2_WORD_TYPE(t))
3334                                                 M_LST(s1, REG_SP, s2);
3335                                         else
3336                                                 M_IST(s1, REG_SP, s2);
3337 #endif
3338                                 }
3339                         }
3340                         else {
3341                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3342                                 s2 = nmd->params[j].regoff;
3343
3344 #if SIZEOF_VOID_P == 8
3345                                 M_LLD(REG_ITMP1, REG_SP, s1);
3346                                 M_LST(REG_ITMP1, REG_SP, s2);
3347 #else
3348                                 if (IS_2_WORD_TYPE(t)) {
3349                                         M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
3350                                         M_LST(REG_ITMP12_PACKED, REG_SP, s2);
3351                                 }
3352                                 else {
3353                                         M_ILD(REG_ITMP1, REG_SP, s1);
3354                                         M_IST(REG_ITMP1, REG_SP, s2);
3355                                 }
3356 #endif
3357                         }
3358                 }
3359                 else {
3360                         if (!md->params[i].inmemory) {
3361                                 s1 = md->params[i].regoff;
3362                                 s2 = nmd->params[j].regoff;
3363
3364                                 if (!nmd->params[j].inmemory) {
3365 #if SIZEOF_VOID_P == 8
3366                                         if (IS_2_WORD_TYPE(t))
3367                                                 M_DMOV(s1, s2);
3368                                         else
3369                                                 M_FMOV(s1, s2);
3370 #else
3371                                         /* On MIPS32 float arguments for native functions
3372                                            can never be in float argument registers, since
3373                                            the first argument is _always_ an integer
3374                                            argument (JNIEnv) */
3375
3376                                         if (IS_2_WORD_TYPE(t)) {
3377                                                 /* double high/low order is endian
3378                                                    independent: even numbered holds low
3379                                                    32-bits, odd numbered high 32-bits */
3380
3381                                                 M_MFC1(GET_LOW_REG(s2), s1);           /* low 32-bits */
3382                                                 M_MFC1(GET_HIGH_REG(s2), s1 + 1);     /* high 32-bits */
3383                                         }
3384                                         else
3385                                                 M_MFC1(s2, s1);
3386 #endif
3387                                 }
3388                                 else {
3389 #if SIZEOF_VOID_P == 8
3390                                         if (IS_2_WORD_TYPE(t))
3391                                                 M_DST(s1, REG_SP, s2);
3392                                         else
3393                                                 M_FST(s1, REG_SP, s2);
3394 #else
3395                                         /* s1 may have been originally in 2 int registers,
3396                                            but was moved out by the native function
3397                                            argument(s), just get low register */
3398
3399                                         if (IS_2_WORD_TYPE(t))
3400                                                 M_DST(GET_LOW_REG(s1), REG_SP, s2);
3401                                         else
3402                                                 M_FST(GET_LOW_REG(s1), REG_SP, s2);
3403 #endif
3404                                 }
3405                         }
3406                         else {
3407                                 s1 = md->params[i].regoff + cd->stackframesize * 8;
3408                                 s2 = nmd->params[j].regoff;
3409
3410 #if SIZEOF_VOID_P == 8
3411                                 if (IS_2_WORD_TYPE(t)) {
3412                                         M_DLD(REG_FTMP1, REG_SP, s1);
3413                                         M_DST(REG_FTMP1, REG_SP, s2);
3414                                 }
3415                                 else {
3416                                         M_FLD(REG_FTMP1, REG_SP, s1);
3417                                         M_FST(REG_FTMP1, REG_SP, s2);
3418                                 }
3419 #else
3420                                 if (IS_2_WORD_TYPE(t)) {
3421                                         M_DLD(REG_FTMP1, REG_SP, s1);
3422                                         M_DST(REG_FTMP1, REG_SP, s2);
3423                                 }
3424                                 else {
3425                                         M_FLD(REG_FTMP1, REG_SP, s1);
3426                                         M_FST(REG_FTMP1, REG_SP, s2);
3427                                 }
3428 #endif
3429                         }
3430                 }
3431         }
3432
3433         /* Handle native Java methods. */
3434
3435         if (m->flags & ACC_NATIVE) {
3436                 /* put class into second argument register */
3437
3438                 if (m->flags & ACC_STATIC)
3439                         M_MOV(REG_ITMP3, REG_A1);
3440
3441                 /* put env into first argument register */
3442
3443                 disp = dseg_add_address(cd, VM_get_jnienv());
3444                 M_ALD(REG_A0, REG_PV, disp);
3445         }
3446
3447         /* Call the native function. */
3448
3449         disp = dseg_add_functionptr(cd, f);
3450         M_ALD(REG_ITMP3, REG_PV, disp);     /* load adress of native method       */
3451         M_JSR(REG_RA, REG_ITMP3);           /* call native method                 */
3452         M_NOP;                              /* delay slot                         */
3453
3454         /* save return value */
3455
3456         switch (md->returntype.type) {
3457 #if SIZEOF_VOID_P == 8
3458         case TYPE_INT:
3459         case TYPE_LNG:
3460         case TYPE_ADR:
3461                 M_LST(REG_RESULT, REG_SP, 0 * 8);
3462                 break;
3463         case TYPE_FLT:
3464         case TYPE_DBL:
3465                 M_DST(REG_FRESULT, REG_SP, 0 * 8);
3466                 break;
3467 #else
3468         case TYPE_INT:
3469         case TYPE_ADR:
3470                 M_IST(REG_RESULT, REG_SP, 2*4 + 0 * 8);
3471                 break;
3472         case TYPE_LNG:
3473                 M_LST(REG_RESULT_PACKED, REG_SP, 2*4 + 0 * 8);
3474                 break;
3475         case TYPE_FLT:
3476         case TYPE_DBL:
3477                 M_DST(REG_FRESULT, REG_SP, 2*4 + 0 * 8);
3478                 break;
3479 #endif
3480         case TYPE_VOID:
3481                 break;
3482         }
3483
3484         /* remove native stackframe info */
3485
3486         M_MOV(REG_SP, REG_A0);
3487         M_MOV(REG_PV, REG_A1);
3488         disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3489         M_ALD(REG_ITMP3, REG_PV, disp);
3490         M_JSR(REG_RA, REG_ITMP3);
3491         M_NOP; /* XXX fill me! */
3492         M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3493
3494         /* restore return value */
3495
3496         switch (md->returntype.type) {
3497 #if SIZEOF_VOID_P == 8
3498         case TYPE_INT:
3499         case TYPE_LNG:
3500         case TYPE_ADR:
3501                 M_LLD(REG_RESULT, REG_SP, 0 * 8);
3502                 break;
3503         case TYPE_FLT:
3504         case TYPE_DBL:
3505                 M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3506                 break;
3507 #else
3508         case TYPE_INT:
3509         case TYPE_ADR:
3510                 M_ILD(REG_RESULT, REG_SP, 2*4 + 0 * 8);
3511                 break;
3512         case TYPE_LNG:
3513                 M_LLD(REG_RESULT_PACKED, REG_SP, 2*4 + 0 * 8);
3514                 break;
3515         case TYPE_FLT:
3516         case TYPE_DBL:
3517                 M_DLD(REG_FRESULT, REG_SP, 2*4 + 0 * 8);
3518                 break;
3519 #endif
3520         case TYPE_VOID:
3521                 break;
3522         }
3523
3524         M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* load RA           */
3525
3526         /* check for exception */
3527
3528         M_BNEZ(REG_ITMP1_XPTR, 2);          /* if no exception then return        */
3529         M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* DELAY SLOT              */
3530
3531         M_RET(REG_RA);                      /* return to caller                   */
3532         M_NOP;                              /* DELAY SLOT                         */
3533
3534         /* handle exception */
3535
3536         disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3537         M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
3538         M_JMP(REG_ITMP3);                   /* jump to asm exception handler      */
3539         M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address (DELAY)    */
3540
3541         /* Generate patcher traps. */
3542
3543         emit_patcher_traps(jd);
3544 }
3545
3546
3547 /*
3548  * These are local overrides for various environment variables in Emacs.
3549  * Please do not remove this and leave it at the end of the file, where
3550  * Emacs will automagically detect them.
3551  * ---------------------------------------------------------------------
3552  * Local variables:
3553  * mode: c
3554  * indent-tabs-mode: t
3555  * c-basic-offset: 4
3556  * tab-width: 4
3557  * End:
3558  * vim:noexpandtab:sw=4:ts=4:
3559  */