* src/vm/jit/stack.h (COPY): Prevent setting varkind to STACKVAR for stackslots copie...
[cacao.git] / src / vm / jit / stack.c
index 814b3faaa05b86fcb5dab891d8c96b7f957a2bb3..2b22f3be2dbc86a9f2b2ddc6e2af7ac08ba46ae8 100644 (file)
@@ -1,9 +1,9 @@
-/* vm/jit/stack.c - stack analysis
+/* src/vm/jit/stack.c - stack analysis
 
-   Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
-   R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
-   C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
-   Institut f. Computersprachen - TU Wien
+   Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+   C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+   E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+   J. Wenninger, Institut f. Computersprachen - TU Wien
 
    This file is part of CACAO.
 
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
 
-   Contact: cacao@complang.tuwien.ac.at
+   Contact: cacao@cacaojvm.org
 
    Authors: Andreas Krall
 
    Changes: Edwin Steiner
+            Christian Thalinger
+            Christian Ullrich
 
-   $Id: stack.c 1735 2004-12-07 14:33:27Z twisti $
+   $Id: stack.c 4524 2006-02-16 19:39:36Z christian $
 
 */
 
 
+#include "config.h"
+
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "disass.h"
-#include "types.h"
+#include "vm/types.h"
+
+#include "arch.h"
+#include "md-abi.h"
+
 #include "mm/memory.h"
 #include "native/native.h"
 #include "toolbox/logging.h"
 #include "vm/global.h"
 #include "vm/builtin.h"
 #include "vm/options.h"
+#include "vm/resolve.h"
 #include "vm/statistics.h"
-#include "vm/tables.h"
-#include "vm/jit/codegen.inc.h"
+#include "vm/stringlocal.h"
+#include "vm/jit/codegen-common.h"
+#include "vm/jit/disass.h"
 #include "vm/jit/jit.h"
 #include "vm/jit/reg.h"
 #include "vm/jit/stack.h"
+#include "vm/jit/allocator/lsra.h"
+
+
+/* global variables ***********************************************************/
+
+#if defined(USE_THREADS)
+static java_objectheader *lock_show_icmd;
+#endif
+
+
+/* stack_init ******************************************************************
+
+   Initialized the stack analysis subsystem (called by jit_init).
+
+*******************************************************************************/
+
+bool stack_init(void)
+{
+#if defined(USE_THREADS)
+       /* initialize the show lock */
+
+       lock_show_icmd = NEW(java_objectheader);
+
+# if defined(NATIVE_THREADS)
+       initObjectLock(lock_show_icmd);
+# endif
+#endif
+
+       /* everything's ok */
+
+       return true;
+}
 
 
 /**********************************************************************/
 
 methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 {
-       int b_count;
-       int b_index;
-       int stackdepth;
-       stackptr curstack;
-       stackptr new;
-       stackptr copy;
-       int opcode, i, len, loops;
-       int superblockend, repeat, deadcode;
-       instruction *iptr;
-       basicblock *bptr;
-       basicblock *tbptr;
-       s4 *s4ptr;
-       void* *tptr;
-       s4 *argren;
+       int           b_count;
+       int           b_index;
+       int           stackdepth;
+       stackptr      curstack;
+       stackptr      new;
+       stackptr      copy;
+       int           opcode, i, j, len, loops;
+       int           superblockend, repeat, deadcode;
+       instruction  *iptr;
+       basicblock   *bptr;
+       basicblock   *tbptr;
+       s4           *s4ptr;
+       void        **tptr;
+       s4           *argren;
+       s4           *last_store;/* instruction index of last XSTORE */
+                                /* [ local_index * 5 + type ] */
+       s4            last_pei;  /* instruction index of last possible exception */
+                                /* used for conflict resolution for copy        */
+                             /* elimination (XLOAD, IINC, XSTORE) */
+       s4            last_dupx;
+
+       builtintable_entry *bte;
+       unresolved_method  *um;
+       methoddesc         *md;
+
+#if defined(ENABLE_LSRA)
+       m->maxlifetimes = 0;
+#endif
 
        argren = DMNEW(s4, cd->maxlocals);   /* table for argument renaming       */
        for (i = 0; i < cd->maxlocals; i++)
                argren[i] = i;
+
+       last_store = DMNEW(s4 , cd->maxlocals * 5);
        
-       rd->arguments_num = 0;
        new = m->stack;
        loops = 0;
        m->basicblocks[0].flags = BBREACHED;
@@ -116,7 +173,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                NEWXSTACK;
        }
 
-#ifdef CONDITIONAL_LOADCONST
+#if CONDITIONAL_LOADCONST
        b_count = m->basicblockcount;
        bptr = m->basicblocks;
        while (--b_count >= 0) {
@@ -183,7 +240,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                }
                bptr++;
        }
-#endif
+#endif /* CONDITIONAL_LOADCONST */
 
 
        do {
@@ -194,26 +251,31 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                repeat = false;
                STACKRESET;
                deadcode = true;
+
                while (--b_count >= 0) {
                        if (bptr->flags == BBDELETED) {
                                /* do nothing */
-                       }
-                       else if (superblockend && (bptr->flags < BBREACHED))
+
+                       } else if (superblockend && (bptr->flags < BBREACHED)) {
                                repeat = true;
-                       else if (bptr->flags <= BBREACHED) {
-                               if (superblockend)
+
+                       } else if (bptr->flags <= BBREACHED) {
+                               if (superblockend) {
                                        stackdepth = bptr->indepth;
-                               else if (bptr->flags < BBREACHED) {
+
+                               } else if (bptr->flags < BBREACHED) {
                                        COPYCURSTACK(copy);
                                        bptr->instack = copy;
                                        bptr->indepth = stackdepth;
+
+                               } else if (bptr->indepth != stackdepth) {
+                                       /*show_icmd_method(m, cd, rd);
+                                       printf("Block: %d, required depth: %d, current depth: %d\n",
+                                       bptr->debug_nr, bptr->indepth, stackdepth);*/
+                                       *exceptionptr = new_verifyerror(m,"Stack depth mismatch");
+                                       return NULL;
                                }
-                               else if (bptr->indepth != stackdepth) {
-                                       show_icmd_method(m, cd, rd);
-                                       printf("Block: %d, required depth: %d, current depth: %d\n", bptr->debug_nr, bptr->indepth, stackdepth);
-                                       panic("Stack depth mismatch");
-                                       
-                               }
+
                                curstack = bptr->instack;
                                deadcode = false;
                                superblockend = false;
@@ -221,56 +283,43 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                len = bptr->icount;
                                iptr = bptr->iinstr;
                                b_index = bptr - m->basicblocks;
-                               while (--len >= 0)  {
-                                       opcode = iptr->opc;
-                                       iptr->target = NULL;
 
-/*                                     dolog("p: %04d op: %s stack: %p", iptr - instr, icmd_names[opcode], curstack); */
+                               last_pei = -1;
+                               last_dupx = -1;
+                               for( i = 0; i < cd->maxlocals; i++)
+                                       for( j = 0; j < 5; j++)
+                                               last_store[5 * i + j] = -1;
 
-#ifdef USEBUILTINTABLE
-                                       {
-#if 0
-                                               stdopdescriptor *breplace;
-                                               breplace = find_builtin(opcode);
+                               bptr->stack = new;
 
-                                               if (breplace && opcode == breplace->opcode) {
-                                                       iptr[0].opc = breplace->icmd;
-                                                       iptr[0].op1 = breplace->type_d;
-                                                       iptr[0].val.fp = breplace->builtin;
-                                                       m->isleafmethod = false;
-                                                       switch (breplace->icmd) {
-                                                       case ICMD_BUILTIN1:
-                                                               goto builtin1;
-                                                       case ICMD_BUILTIN2:
-                                                               goto builtin2;
-                                                       }
-                                               }
-#endif
-                                               builtin_descriptor *breplace;
-                                               breplace = find_builtin(opcode);
+                               while (--len >= 0)  {
+                                       opcode = iptr->opc;
+
+#if defined(USEBUILTINTABLE)
+# if defined(ENABLE_INTRP)
+                                       if (!opt_intrp) {
+# endif
+                                               bte = builtintable_get_automatic(opcode);
 
-                                               if (breplace && opcode == breplace->opcode) {
-                                                       iptr[0].opc = breplace->icmd;
-                                                       iptr[0].op1 = breplace->type_d;
-                                                       iptr[0].val.fp = breplace->builtin;
+                                               if (bte && bte->opcode == opcode) {
+                                                       iptr->opc = ICMD_BUILTIN;
+                                                       iptr->op1 = false;   /* don't check for exception */
+                                                       iptr->val.a = bte;
                                                        m->isleafmethod = false;
-                                                       switch (breplace->icmd) {
-                                                       case ICMD_BUILTIN1:
-                                                               goto builtin1;
-                                                       case ICMD_BUILTIN2:
-                                                               goto builtin2;
-                                                       }
+                                                       goto builtin;
                                                }
+# if defined(ENABLE_INTRP)
                                        }
-#endif
+# endif
+#endif /* defined(USEBUILTINTABLE) */
                                        
                                        switch (opcode) {
 
                                                /* pop 0 push 0 */
 
+                                       case ICMD_CHECKNULL:
+                                               COUNT(count_check_null);
                                        case ICMD_NOP:
-                                       case ICMD_CHECKASIZE:
-                                       case ICMD_CHECKEXCEPTION:
 
                                        case ICMD_IFEQ_ICONST:
                                        case ICMD_IFNE_ICONST:
@@ -283,7 +332,10 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                break;
 
                                        case ICMD_RET:
-                                               rd->locals[iptr->op1][TYPE_ADR].type = TYPE_ADR;
+#if defined(ENABLE_INTRP)
+                                               if (!opt_intrp)
+#endif
+                                                       rd->locals[iptr->op1][TYPE_ADR].type = TYPE_ADR;
                                        case ICMD_RETURN:
                                                COUNT(count_pcmd_return);
                                                SETDST;
@@ -300,15 +352,87 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                iptr[0].opc = ICMD_IADDCONST;
                                                        icmd_iconst_tail:
                                                                iptr[1].opc = ICMD_NOP;
-                                                               OP1_1(TYPE_INT,TYPE_INT);
+                                                               OP1_1(TYPE_INT, TYPE_INT);
                                                                COUNT(count_pcmd_op);
                                                                break;
                                                        case ICMD_ISUB:
                                                                iptr[0].opc = ICMD_ISUBCONST;
                                                                goto icmd_iconst_tail;
+#if SUPPORT_CONST_MUL
                                                        case ICMD_IMUL:
                                                                iptr[0].opc = ICMD_IMULCONST;
                                                                goto icmd_iconst_tail;
+#else /* SUPPORT_CONST_MUL */
+                                                       case ICMD_IMUL:
+                                                               if (iptr[0].val.i == 0x00000002)
+                                                                       iptr[0].val.i = 1;
+                                                               else if (iptr[0].val.i == 0x00000004)
+                                                                       iptr[0].val.i = 2;
+                                                               else if (iptr[0].val.i == 0x00000008)
+                                                                       iptr[0].val.i = 3;
+                                                               else if (iptr[0].val.i == 0x00000010)
+                                                                       iptr[0].val.i = 4;
+                                                               else if (iptr[0].val.i == 0x00000020)
+                                                                       iptr[0].val.i = 5;
+                                                               else if (iptr[0].val.i == 0x00000040)
+                                                                       iptr[0].val.i = 6;
+                                                               else if (iptr[0].val.i == 0x00000080)
+                                                                       iptr[0].val.i = 7;
+                                                               else if (iptr[0].val.i == 0x00000100)
+                                                                       iptr[0].val.i = 8;
+                                                               else if (iptr[0].val.i == 0x00000200)
+                                                                       iptr[0].val.i = 9;
+                                                               else if (iptr[0].val.i == 0x00000400)
+                                                                       iptr[0].val.i = 10;
+                                                               else if (iptr[0].val.i == 0x00000800)
+                                                                       iptr[0].val.i = 11;
+                                                               else if (iptr[0].val.i == 0x00001000)
+                                                                       iptr[0].val.i = 12;
+                                                               else if (iptr[0].val.i == 0x00002000)
+                                                                       iptr[0].val.i = 13;
+                                                               else if (iptr[0].val.i == 0x00004000)
+                                                                       iptr[0].val.i = 14;
+                                                               else if (iptr[0].val.i == 0x00008000)
+                                                                       iptr[0].val.i = 15;
+                                                               else if (iptr[0].val.i == 0x00010000)
+                                                                       iptr[0].val.i = 16;
+                                                               else if (iptr[0].val.i == 0x00020000)
+                                                                       iptr[0].val.i = 17;
+                                                               else if (iptr[0].val.i == 0x00040000)
+                                                                       iptr[0].val.i = 18;
+                                                               else if (iptr[0].val.i == 0x00080000)
+                                                                       iptr[0].val.i = 19;
+                                                               else if (iptr[0].val.i == 0x00100000)
+                                                                       iptr[0].val.i = 20;
+                                                               else if (iptr[0].val.i == 0x00200000)
+                                                                       iptr[0].val.i = 21;
+                                                               else if (iptr[0].val.i == 0x00400000)
+                                                                       iptr[0].val.i = 22;
+                                                               else if (iptr[0].val.i == 0x00800000)
+                                                                       iptr[0].val.i = 23;
+                                                               else if (iptr[0].val.i == 0x01000000)
+                                                                       iptr[0].val.i = 24;
+                                                               else if (iptr[0].val.i == 0x02000000)
+                                                                       iptr[0].val.i = 25;
+                                                               else if (iptr[0].val.i == 0x04000000)
+                                                                       iptr[0].val.i = 26;
+                                                               else if (iptr[0].val.i == 0x08000000)
+                                                                       iptr[0].val.i = 27;
+                                                               else if (iptr[0].val.i == 0x10000000)
+                                                                       iptr[0].val.i = 28;
+                                                               else if (iptr[0].val.i == 0x20000000)
+                                                                       iptr[0].val.i = 29;
+                                                               else if (iptr[0].val.i == 0x40000000)
+                                                                       iptr[0].val.i = 30;
+                                                               else if (iptr[0].val.i == 0x80000000)
+                                                                       iptr[0].val.i = 31;
+                                                               else {
+                                                                       PUSHCONST(TYPE_INT);
+                                                                       break;
+                                                               }
+                                                               iptr[0].opc = ICMD_IMULPOW2;
+                                                               goto icmd_iconst_tail;
+#endif /* SUPPORT_CONST_MUL */
                                                        case ICMD_IDIV:
                                                                if (iptr[0].val.i == 0x00000002)
                                                                        iptr[0].val.i = 1;
@@ -379,6 +503,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                iptr[0].opc = ICMD_IDIVPOW2;
                                                                goto icmd_iconst_tail;
                                                        case ICMD_IREM:
+                                                               /*log_text("stack.c: ICMD_ICONST/ICMD_IREM");*/
                                                                if ((iptr[0].val.i == 0x00000002) ||
                                                                        (iptr[0].val.i == 0x00000004) ||
                                                                        (iptr[0].val.i == 0x00000008) ||
@@ -412,13 +537,11 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                        (iptr[0].val.i == 0x80000000)) {
                                                                        iptr[0].opc = ICMD_IREMPOW2;
                                                                        iptr[0].val.i -= 1;
-#if defined(__I386__)
-                                                                       method_uses_ecx = true;
-#endif
                                                                        goto icmd_iconst_tail;
                                                                }
                                                                PUSHCONST(TYPE_INT);
                                                                break;
+#if SUPPORT_CONST_LOGICAL
                                                        case ICMD_IAND:
                                                                iptr[0].opc = ICMD_IANDCONST;
                                                                goto icmd_iconst_tail;
@@ -428,6 +551,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        case ICMD_IXOR:
                                                                iptr[0].opc = ICMD_IXORCONST;
                                                                goto icmd_iconst_tail;
+#endif /* SUPPORT_CONST_LOGICAL */
                                                        case ICMD_ISHL:
                                                                iptr[0].opc = ICMD_ISHLCONST;
                                                                goto icmd_iconst_tail;
@@ -440,30 +564,24 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 #if SUPPORT_LONG_SHIFT
                                                        case ICMD_LSHL:
                                                                iptr[0].opc = ICMD_LSHLCONST;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                                goto icmd_lconst_tail;
                                                        case ICMD_LSHR:
                                                                iptr[0].opc = ICMD_LSHRCONST;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                                goto icmd_lconst_tail;
                                                        case ICMD_LUSHR:
                                                                iptr[0].opc = ICMD_LUSHRCONST;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                                goto icmd_lconst_tail;
-#endif
+#endif /* SUPPORT_LONG_SHIFT */
                                                        case ICMD_IF_ICMPEQ:
                                                                iptr[0].opc = ICMD_IFEQ;
                                                        icmd_if_icmp_tail:
                                                                iptr[0].op1 = iptr[1].op1;
+                                                               /* IF_ICMPxx is the last instruction in the   */
+                                                               /* basic block, just remove it                */
+                                                               /* iptr[1].opc = ICMD_NOP; */
                                                                bptr->icount--;
                                                                len--;
-                                                               /* iptr[1].opc = ICMD_NOP; */
+
                                                                OP1_0(TYPE_INT);
                                                                tbptr = m->basicblocks + m->basicblockindex[iptr->op1];
 
@@ -488,39 +606,77 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                iptr[0].opc = ICMD_IFGE;
                                                                goto icmd_if_icmp_tail;
 
-#if SUPPORT_CONST_ASTORE
+#if SUPPORT_CONST_STORE
                                                        case ICMD_IASTORE:
                                                        case ICMD_BASTORE:
                                                        case ICMD_CASTORE:
                                                        case ICMD_SASTORE:
-#if SUPPORT_ONLY_ZERO_ASTORE
-                                                               if (iptr[0].val.i == 0) {
-#endif /* SUPPORT_ONLY_ZERO_ASTORE */
-                                                                       switch (iptr[1].opc) {
-                                                                       case ICMD_IASTORE:
-                                                                               iptr[0].opc = ICMD_IASTORECONST;
-                                                                               break;
-                                                                       case ICMD_BASTORE:
-                                                                               iptr[0].opc = ICMD_BASTORECONST;
-                                                                               break;
-                                                                       case ICMD_CASTORE:
-                                                                               iptr[0].opc = ICMD_CASTORECONST;
-                                                                               break;
-                                                                       case ICMD_SASTORE:
-                                                                               iptr[0].opc = ICMD_SASTORECONST;
-                                                                               break;
-                                                                       }
+# if defined(ENABLE_INTRP)
+                                                               if (!opt_intrp) {
+# endif
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       if (iptr[0].val.i == 0) {
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+                                                                               switch (iptr[1].opc) {
+                                                                               case ICMD_IASTORE:
+                                                                                       iptr[0].opc = ICMD_IASTORECONST;
+                                                                                       break;
+                                                                               case ICMD_BASTORE:
+                                                                                       iptr[0].opc = ICMD_BASTORECONST;
+                                                                                       break;
+                                                                               case ICMD_CASTORE:
+                                                                                       iptr[0].opc = ICMD_CASTORECONST;
+                                                                                       break;
+                                                                               case ICMD_SASTORE:
+                                                                                       iptr[0].opc = ICMD_SASTORECONST;
+                                                                                       break;
+                                                                               }
 
-                                                                       iptr[1].opc = ICMD_NOP;
-                                                                       OPTT2_0(TYPE_INT, TYPE_ADR);
-                                                                       COUNT(count_pcmd_op);
-#if SUPPORT_ONLY_ZERO_ASTORE
+                                                                               iptr[1].opc = ICMD_NOP;
+                                                                               OPTT2_0(TYPE_INT, TYPE_ADR);
+                                                                               COUNT(count_pcmd_op);
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       } else
+                                                                               PUSHCONST(TYPE_INT);
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+# if defined(ENABLE_INTRP)
                                                                } else
                                                                        PUSHCONST(TYPE_INT);
-#endif /* SUPPORT_ONLY_ZERO_ASTORE */
+# endif
                                                                break;
-#endif /* SUPPORT_CONST_ASTORE */
 
+                                                       case ICMD_PUTSTATIC:
+                                                       case ICMD_PUTFIELD:
+# if defined(ENABLE_INTRP)
+                                                               if (!opt_intrp) {
+# endif
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       if (iptr[0].val.i == 0) {
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+                                                                               switch (iptr[1].opc) {
+                                                                               case ICMD_PUTSTATIC:
+                                                                                       iptr[0].opc = ICMD_PUTSTATICCONST;
+                                                                                       SETDST;
+                                                                                       break;
+                                                                               case ICMD_PUTFIELD:
+                                                                                       iptr[0].opc = ICMD_PUTFIELDCONST;
+                                                                                       OP1_0(TYPE_ADR);
+                                                                                       break;
+                                                                               }
+
+                                                                               iptr[1].opc = ICMD_NOP;
+                                                                               iptr[0].op1 = TYPE_INT;
+                                                                               COUNT(count_pcmd_op);
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       } else
+                                                                               PUSHCONST(TYPE_INT);
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+# if defined(ENABLE_INTRP)
+                                                               } else
+                                                                       PUSHCONST(TYPE_INT);
+# endif
+                                                               break;
+#endif /* SUPPORT_CONST_STORE */
                                                        default:
                                                                PUSHCONST(TYPE_INT);
                                                        }
@@ -544,16 +700,84 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        case ICMD_LSUB:
                                                                iptr[0].opc = ICMD_LSUBCONST;
                                                                goto icmd_lconst_tail;
-#endif
-#if SUPPORT_LONG_MUL
+#endif /* SUPPORT_LONG_ADD */
+#if SUPPORT_LONG_MUL && SUPPORT_CONST_MUL
                                                        case ICMD_LMUL:
                                                                iptr[0].opc = ICMD_LMULCONST;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-                                                               method_uses_edx = true;
-#endif
                                                                goto icmd_lconst_tail;
-#endif
+#else /* SUPPORT_LONG_MUL && SUPPORT_CONST_MUL */
+# if SUPPORT_LONG_SHIFT
+                                                       case ICMD_LMUL:
+                                                               if (iptr[0].val.l == 0x00000002)
+                                                                       iptr[0].val.i = 1;
+                                                               else if (iptr[0].val.l == 0x00000004)
+                                                                       iptr[0].val.i = 2;
+                                                               else if (iptr[0].val.l == 0x00000008)
+                                                                       iptr[0].val.i = 3;
+                                                               else if (iptr[0].val.l == 0x00000010)
+                                                                       iptr[0].val.i = 4;
+                                                               else if (iptr[0].val.l == 0x00000020)
+                                                                       iptr[0].val.i = 5;
+                                                               else if (iptr[0].val.l == 0x00000040)
+                                                                       iptr[0].val.i = 6;
+                                                               else if (iptr[0].val.l == 0x00000080)
+                                                                       iptr[0].val.i = 7;
+                                                               else if (iptr[0].val.l == 0x00000100)
+                                                                       iptr[0].val.i = 8;
+                                                               else if (iptr[0].val.l == 0x00000200)
+                                                                       iptr[0].val.i = 9;
+                                                               else if (iptr[0].val.l == 0x00000400)
+                                                                       iptr[0].val.i = 10;
+                                                               else if (iptr[0].val.l == 0x00000800)
+                                                                       iptr[0].val.i = 11;
+                                                               else if (iptr[0].val.l == 0x00001000)
+                                                                       iptr[0].val.i = 12;
+                                                               else if (iptr[0].val.l == 0x00002000)
+                                                                       iptr[0].val.i = 13;
+                                                               else if (iptr[0].val.l == 0x00004000)
+                                                                       iptr[0].val.i = 14;
+                                                               else if (iptr[0].val.l == 0x00008000)
+                                                                       iptr[0].val.i = 15;
+                                                               else if (iptr[0].val.l == 0x00010000)
+                                                                       iptr[0].val.i = 16;
+                                                               else if (iptr[0].val.l == 0x00020000)
+                                                                       iptr[0].val.i = 17;
+                                                               else if (iptr[0].val.l == 0x00040000)
+                                                                       iptr[0].val.i = 18;
+                                                               else if (iptr[0].val.l == 0x00080000)
+                                                                       iptr[0].val.i = 19;
+                                                               else if (iptr[0].val.l == 0x00100000)
+                                                                       iptr[0].val.i = 20;
+                                                               else if (iptr[0].val.l == 0x00200000)
+                                                                       iptr[0].val.i = 21;
+                                                               else if (iptr[0].val.l == 0x00400000)
+                                                                       iptr[0].val.i = 22;
+                                                               else if (iptr[0].val.l == 0x00800000)
+                                                                       iptr[0].val.i = 23;
+                                                               else if (iptr[0].val.l == 0x01000000)
+                                                                       iptr[0].val.i = 24;
+                                                               else if (iptr[0].val.l == 0x02000000)
+                                                                       iptr[0].val.i = 25;
+                                                               else if (iptr[0].val.l == 0x04000000)
+                                                                       iptr[0].val.i = 26;
+                                                               else if (iptr[0].val.l == 0x08000000)
+                                                                       iptr[0].val.i = 27;
+                                                               else if (iptr[0].val.l == 0x10000000)
+                                                                       iptr[0].val.i = 28;
+                                                               else if (iptr[0].val.l == 0x20000000)
+                                                                       iptr[0].val.i = 29;
+                                                               else if (iptr[0].val.l == 0x40000000)
+                                                                       iptr[0].val.i = 30;
+                                                               else if (iptr[0].val.l == 0x80000000)
+                                                                       iptr[0].val.i = 31;
+                                                               else {
+                                                                       PUSHCONST(TYPE_LNG);
+                                                                       break;
+                                                               }
+                                                               iptr[0].opc = ICMD_LMULPOW2;
+                                                               goto icmd_lconst_tail;
+# endif /* SUPPORT_LONG_SHIFT */
+#endif /* SUPPORT_LONG_MUL && SUPPORT_CONST_MUL */
 #if SUPPORT_LONG_DIV
                                                        case ICMD_LDIV:
                                                                if (iptr[0].val.l == 0x00000002)
@@ -623,9 +847,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                        break;
                                                                }
                                                                iptr[0].opc = ICMD_LDIVPOW2;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                                goto icmd_lconst_tail;
                                                        case ICMD_LREM:
                                                                if ((iptr[0].val.l == 0x00000002) ||
@@ -661,15 +882,13 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                        (iptr[0].val.l == 0x80000000)) {
                                                                        iptr[0].opc = ICMD_LREMPOW2;
                                                                        iptr[0].val.l -= 1;
-#if defined(__I386__)
-                                                                       method_uses_ecx = true;
-#endif
                                                                        goto icmd_lconst_tail;
                                                                }
                                                                PUSHCONST(TYPE_LNG);
                                                                break;
-#endif
-#if SUPPORT_LONG_LOG
+#endif /* SUPPORT_LONG_DIV */
+#if SUPPORT_LONG_LOGICAL && SUPPORT_CONST_LOGICAL
+
                                                        case ICMD_LAND:
                                                                iptr[0].opc = ICMD_LANDCONST;
                                                                goto icmd_lconst_tail;
@@ -679,16 +898,14 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        case ICMD_LXOR:
                                                                iptr[0].opc = ICMD_LXORCONST;
                                                                goto icmd_lconst_tail;
-#endif
-#if !defined(NOLONG_CONDITIONAL)
+#endif /* SUPPORT_LONG_LOGICAL && SUPPORT_CONST_LOGICAL */
+
+#if SUPPORT_LONG_CMP_CONST
                                                        case ICMD_LCMP:
                                                                if ((len > 1) && (iptr[2].val.i == 0)) {
                                                                        switch (iptr[2].opc) {
                                                                        case ICMD_IFEQ:
                                                                                iptr[0].opc = ICMD_IF_LEQ;
-#if defined(__I386__)
-                                                                               method_uses_ecx = true;
-#endif
                                                                        icmd_lconst_lcmp_tail:
                                                                                iptr[0].op1 = iptr[2].op1;
                                                                                bptr->icount -= 2;
@@ -706,9 +923,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                                break;
                                                                        case ICMD_IFNE:
                                                                                iptr[0].opc = ICMD_IF_LNE;
-#if defined(__I386__)
-                                                                               method_uses_ecx = true;
-#endif
                                                                                goto icmd_lconst_lcmp_tail;
                                                                        case ICMD_IFLT:
                                                                                iptr[0].opc = ICMD_IF_LLT;
@@ -729,24 +943,62 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                else
                                                                        PUSHCONST(TYPE_LNG);
                                                                break;
-#endif
+#endif /* SUPPORT_LONG_CMP_CONST */
 
-#if SUPPORT_CONST_ASTORE
+#if SUPPORT_CONST_STORE
                                                        case ICMD_LASTORE:
-#if SUPPORT_ONLY_ZERO_ASTORE
-                                                               if (iptr[0].val.l == 0) {
-#endif /* SUPPORT_ONLY_ZERO_ASTORE */
-                                                                       iptr[0].opc = ICMD_LASTORECONST;
-                                                                       iptr[1].opc = ICMD_NOP;
-                                                                       OPTT2_0(TYPE_INT, TYPE_ADR);
-                                                                       COUNT(count_pcmd_op);
-#if SUPPORT_ONLY_ZERO_ASTORE
+# if defined(ENABLE_INTRP)
+                                                               if (!opt_intrp) {
+# endif
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       if (iptr[0].val.l == 0) {
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+                                                                               iptr[0].opc = ICMD_LASTORECONST;
+                                                                               iptr[1].opc = ICMD_NOP;
+                                                                               OPTT2_0(TYPE_INT, TYPE_ADR);
+                                                                               COUNT(count_pcmd_op);
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       } else
+                                                                               PUSHCONST(TYPE_LNG);
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+# if defined(ENABLE_INTRP)
                                                                } else
                                                                        PUSHCONST(TYPE_LNG);
-#endif /* SUPPORT_ONLY_ZERO_ASTORE */
+# endif
                                                                break;
-#endif /* SUPPORT_CONST_ASTORE */
 
+                                                       case ICMD_PUTSTATIC:
+                                                       case ICMD_PUTFIELD:
+# if defined(ENABLE_INTRP)
+                                                               if (!opt_intrp) {
+# endif
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       if (iptr[0].val.l == 0) {
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+                                                                               switch (iptr[1].opc) {
+                                                                               case ICMD_PUTSTATIC:
+                                                                                       iptr[0].opc = ICMD_PUTSTATICCONST;
+                                                                                       SETDST;
+                                                                                       break;
+                                                                               case ICMD_PUTFIELD:
+                                                                                       iptr[0].opc = ICMD_PUTFIELDCONST;
+                                                                                       OP1_0(TYPE_ADR);
+                                                                                       break;
+                                                                               }
+
+                                                                               iptr[1].opc = ICMD_NOP;
+                                                                               iptr[0].op1 = TYPE_LNG;
+                                                                               COUNT(count_pcmd_op);
+# if SUPPORT_CONST_STORE_ZERO_ONLY
+                                                                       } else
+                                                                               PUSHCONST(TYPE_LNG);
+# endif /* SUPPORT_CONST_STORE_ZERO_ONLY */
+# if defined(ENABLE_INTRP)
+                                                               } else
+                                                                       PUSHCONST(TYPE_LNG);
+# endif
+                                                               break;
+#endif /* SUPPORT_CONST_STORE */
                                                        default:
                                                                PUSHCONST(TYPE_LNG);
                                                        }
@@ -767,22 +1019,49 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 
                                        case ICMD_ACONST:
                                                COUNT(count_pcmd_load);
-#if SUPPORT_CONST_ASTORE
-                                               if (len > 0 && iptr->val.a == 0) {
-                                                       if (iptr[1].opc == ICMD_BUILTIN3 &&
-                                                               iptr[1].val.fp == BUILTIN_aastore) {
-                                                               iptr[0].opc = ICMD_AASTORECONST;
-                                                               iptr[1].opc = ICMD_NOP;
-                                                               OPTT2_0(TYPE_INT, TYPE_ADR);
-                                                               COUNT(count_pcmd_op);
+#if SUPPORT_CONST_STORE
+# if defined(ENABLE_INTRP)
+                                               if (!opt_intrp) {
+# endif
+                                                       if ((len > 0) && (iptr->val.a == 0)) {
+                                                               switch (iptr[1].opc) {
+                                                               case ICMD_AASTORE:
+                                                               case ICMD_PUTSTATIC:
+                                                               case ICMD_PUTFIELD:
+                                                                       switch (iptr[1].opc) {
+                                                                       case ICMD_AASTORE:
+                                                                               iptr[0].opc = ICMD_AASTORECONST;
+                                                                               OPTT2_0(TYPE_INT, TYPE_ADR);
+                                                                               break;
+                                                                       case ICMD_PUTSTATIC:
+                                                                               iptr[0].opc = ICMD_PUTSTATICCONST;
+                                                                               iptr[0].op1 = TYPE_ADR;
+                                                                               SETDST;
+                                                                               break;
+                                                                       case ICMD_PUTFIELD:
+                                                                               iptr[0].opc = ICMD_PUTFIELDCONST;
+                                                                               iptr[0].op1 = TYPE_ADR;
+                                                                               OP1_0(TYPE_ADR);
+                                                                               break;
+                                                                       }
 
-                                                       } else {
-                                                               PUSHCONST(TYPE_ADR);
-                                                       }
+                                                                       iptr[1].opc = ICMD_NOP;
+                                                                       COUNT(count_pcmd_op);
+                                                                       break;
 
+                                                               default:
+                                                                       PUSHCONST(TYPE_ADR);
+                                                               }
+
+                                                       } else
+                                                               PUSHCONST(TYPE_ADR);
+# if defined(ENABLE_INTRP)
                                                } else
-#endif /* SUPPORT_CONST_ASTORE */
                                                        PUSHCONST(TYPE_ADR);
+# endif
+#else /* SUPPORT_CONST_STORE */
+                                               PUSHCONST(TYPE_ADR);
+#endif /* SUPPORT_CONST_STORE */
                                                break;
 
                                                /* pop 0 push 1 load */
@@ -793,19 +1072,18 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_DLOAD:
                                        case ICMD_ALOAD:
                                                COUNT(count_load_instruction);
-                                               i = opcode-ICMD_ILOAD;
+                                               i = opcode - ICMD_ILOAD;
                                                iptr->op1 = argren[iptr->op1];
-                                               rd->locals[iptr->op1][i].type = i;
+#if defined(ENABLE_INTRP)
+                                               if (!opt_intrp)
+#endif
+                                                       rd->locals[iptr->op1][i].type = i;
                                                LOAD(i, LOCALVAR, iptr->op1);
                                                break;
 
                                                /* pop 2 push 1 */
 
                                        case ICMD_LALOAD:
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                        case ICMD_IALOAD:
                                        case ICMD_FALOAD:
                                        case ICMD_DALOAD:
@@ -813,10 +1091,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                COUNT(count_check_null);
                                                COUNT(count_check_bound);
                                                COUNT(count_pcmd_mem);
-                                               OP2IAT_1(opcode-ICMD_IALOAD);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
+                                               OP2IAT_1(opcode - ICMD_IALOAD);
                                                break;
 
                                        case ICMD_BALOAD:
@@ -826,21 +1101,22 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                COUNT(count_check_bound);
                                                COUNT(count_pcmd_mem);
                                                OP2IAT_1(TYPE_INT);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
 
                                                /* pop 0 push 0 iinc */
 
                                        case ICMD_IINC:
-#ifdef STATISTICS
-                                               i = stackdepth;
-                                               if (i >= 10)
-                                                       count_store_depth[10]++;
-                                               else
-                                                       count_store_depth[i]++;
+#if defined(ENABLE_STATISTICS)
+                                               if (opt_stat) {
+                                                       i = stackdepth;
+                                                       if (i >= 10)
+                                                               count_store_depth[10]++;
+                                                       else
+                                                               count_store_depth[i]++;
+                                               }
 #endif
+                                               last_store[5 * iptr->op1 + TYPE_INT] = bptr->icount - len - 1;
+
                                                copy = curstack;
                                                i = stackdepth - 1;
                                                while (copy) {
@@ -852,6 +1128,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        i--;
                                                        copy = copy->prev;
                                                }
+                                               
                                                SETDST;
                                                break;
 
@@ -866,20 +1143,26 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                REQUIRE_1;
 
                                        i = opcode - ICMD_ISTORE;
-                                       rd->locals[iptr->op1][i].type = i;
-#ifdef STATISTICS
-                                       count_pcmd_store++;
-                                       i = new - curstack;
-                                       if (i >= 20)
-                                               count_store_length[20]++;
-                                       else
-                                               count_store_length[i]++;
-                                       i = stackdepth - 1;
-                                       if (i >= 10)
-                                               count_store_depth[10]++;
-                                       else
-                                               count_store_depth[i]++;
+#if defined(ENABLE_INTRP)
+                                               if (!opt_intrp)
+#endif
+                                                       rd->locals[iptr->op1][i].type = i;
+#if defined(ENABLE_STATISTICS)
+                                       if (opt_stat) {
+                                               count_pcmd_store++;
+                                               i = new - curstack;
+                                               if (i >= 20)
+                                                       count_store_length[20]++;
+                                               else
+                                                       count_store_length[i]++;
+                                               i = stackdepth - 1;
+                                               if (i >= 10)
+                                                       count_store_depth[10]++;
+                                               else
+                                                       count_store_depth[i]++;
+                                       }
 #endif
+                                       /* check for conflicts as described in Figure 5.2 */
                                        copy = curstack->prev;
                                        i = stackdepth - 2;
                                        while (copy) {
@@ -891,28 +1174,144 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                i--;
                                                copy = copy->prev;
                                        }
-                                       if ((new - curstack) == 1) {
-                                               curstack->varkind = LOCALVAR;
-                                               curstack->varnum = iptr->op1;
-                                       };
-                                       STORE(opcode-ICMD_ISTORE);
+
+                                       /* do not change instack Stackslots */
+                                       /* it won't improve performance if we copy the interface */
+                                       /* at the BB begin or here, and lsra relies that no      */
+                                       /* instack stackslot is marked LOCALVAR */
+                                       if (curstack->varkind == STACKVAR)
+                                               goto _possible_conflict;
+
+                                       /* check for a DUPX,SWAP while the lifetime of curstack */
+                                       /* and as creator curstack */
+                                       if (last_dupx != -1) { 
+                                               /* we have to look at the dst stack of DUPX */
+                                               /* == src Stack of PEI */
+                                               copy = bptr->iinstr[last_dupx].dst;
+                                               /*
+                                               if (last_pei == 0)
+                                                       copy = bptr->instack;
+                                               else
+                                                       copy = bptr->iinstr[last_pei-1].dst;
+                                               */
+                                               if ((copy != NULL) && (curstack <= copy)) {
+                                                       /* curstack alive at or created by DUPX */
+
+                                                       /* TODO:.... */
+                                                       /* now look, if there is a LOCALVAR at anyone of */
+                                                       /* the src stacklots used by DUPX */
+
+                                                       goto _possible_conflict;
+                                               }
+                                       }
+
+                                       /* check for a PEI while the lifetime of curstack */
+                                       if (last_pei != -1) { 
+                                               /* && there are exception handler in this method */
+                                               /* when this is checked prevent ARGVAR from      */
+                                               /* overwriting LOCALVAR!!! */
+
+                                               /* we have to look at the stack _before_ the PEI! */
+                                               /* == src Stack of PEI */
+                                               if (last_pei == 0)
+                                                       copy = bptr->instack;
+                                               else
+                                                       copy = bptr->iinstr[last_pei-1].dst;
+                                               if ((copy != NULL) && (curstack <= copy)) {
+                                                       /* curstack alive at PEI */
+                                                       goto _possible_conflict;
+                                               }
+                                       }
+                                       
+                                       /* check if there is a possible conflicting XSTORE */
+                                       if (last_store[5 * iptr->op1 + opcode - ICMD_ISTORE] != -1) {
+                                               /* we have to look at the stack _before_ the XSTORE! */
+                                               /* == src Stack of XSTORE */
+                                               if (last_store[5 * iptr->op1 + opcode - ICMD_ISTORE] == 0)
+                                                       copy = bptr->instack;
+                                               else
+                                                       copy = bptr->iinstr[last_store[5 * iptr->op1 + opcode - ICMD_ISTORE] - 1].dst;
+                                               if ((copy != NULL) && (curstack <= copy)) {
+                                                       /* curstack alive at Last Store */
+                                                       goto _possible_conflict;
+                                               }
+                                       }
+
+                                       /* check if there is a conflict with a XLOAD */
+                                       /* this is done indirectly by looking if a Stackslot is */
+                                       /* marked LOCALVAR and is live while curstack is live   */
+                                       /* see figure 5.3 */
+
+                                       /* First check "above" stackslots of the instack */
+                                       copy = curstack + 1;
+                                       for(;(copy <= bptr->instack); copy++)
+                                               if ((copy->varkind == LOCALVAR) && (copy->varnum == iptr->op1)) {
+                                                       goto _possible_conflict;
+                                               }
+                                       
+                                       /* "intra" Basic Block Stackslots are allocated above    */
+                                       /* bptr->stack (see doc/stack.txt), so if curstack + 1   */
+                                       /* is an instack, copy could point now to the stackslots */
+                                       /* of an inbetween analysed Basic Block */
+                                       if (copy < bptr->stack)
+                                               copy = bptr->stack;
+                                       while (copy < new) {
+                                               if ((copy->varkind == LOCALVAR) && (copy->varnum == iptr->op1)) {
+                                                       goto _possible_conflict;
+                                               }
+                                               copy++;
+                                       }
+                                       /* no conflict - mark the Stackslot as LOCALVAR */
+                                       curstack->varkind = LOCALVAR;
+                                       curstack->varnum = iptr->op1;
+                                       
+                                       goto _local_join;
+                               _possible_conflict:
+                                       if ((curstack->varkind == LOCALVAR) 
+                                               && (curstack->varnum == iptr->op1)) {
+                                               curstack->varkind = TEMPVAR;
+                                               curstack->varnum = stackdepth-1;
+                                       }
+                               _local_join:
+                                       last_store[5 * iptr->op1 + opcode - ICMD_ISTORE] = bptr->icount - len - 1;
+
+                                       STORE(opcode - ICMD_ISTORE);
                                        break;
 
                                        /* pop 3 push 0 */
 
-                                       case ICMD_IASTORE:
                                        case ICMD_AASTORE:
+                                               COUNT(count_check_null);
+                                               COUNT(count_check_bound);
+                                               COUNT(count_pcmd_mem);
+
+                                               bte = builtintable_get_internal(BUILTIN_canstore);
+                                               md = bte->md;
+
+                                               if (md->memuse > rd->memuse)
+                                                       rd->memuse = md->memuse;
+                                               if (md->argintreguse > rd->argintreguse)
+                                                       rd->argintreguse = md->argintreguse;
+
+                                               /* make all stack variables saved */
+
+                                               copy = curstack;
+                                               while (copy) {
+                                                       copy->flags |= SAVEDVAR;
+                                                       copy = copy->prev;
+                                               }
+
+                                               OP3TIA_0(TYPE_ADR);
+                                               break;
+
+                                       case ICMD_IASTORE:
                                        case ICMD_LASTORE:
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                        case ICMD_FASTORE:
                                        case ICMD_DASTORE:
                                                COUNT(count_check_null);
                                                COUNT(count_check_bound);
                                                COUNT(count_pcmd_mem);
-                                               OP3TIA_0(opcode-ICMD_IASTORE);
+                                               OP3TIA_0(opcode - ICMD_IASTORE);
                                                break;
 
                                        case ICMD_BASTORE:
@@ -922,10 +1321,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                COUNT(count_check_bound);
                                                COUNT(count_pcmd_mem);
                                                OP3TIA_0(TYPE_INT);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                                break;
 
                                                /* pop 1 push 0 */
@@ -948,8 +1343,15 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_FRETURN:
                                        case ICMD_DRETURN:
                                        case ICMD_ARETURN:
+#if defined(ENABLE_JIT)
+# if defined(ENABLE_INTRP)
+                                               if (!opt_intrp)
+# endif
+                                                       md_return_alloc(m, rd, opcode - ICMD_IRETURN,
+                                                                                       curstack);
+#endif
                                                COUNT(count_pcmd_return);
-                                               OP1_0(opcode-ICMD_IRETURN);
+                                               OP1_0(opcode - ICMD_IRETURN);
                                                superblockend = true;
                                                break;
 
@@ -964,9 +1366,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_PUTSTATIC:
                                                COUNT(count_pcmd_mem);
                                                OP1_0(iptr->op1);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
 
                                                /* pop 1 push 0 branch */
@@ -989,17 +1388,21 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_IFGT:
                                        case ICMD_IFLE:
                                                COUNT(count_pcmd_bra);
-#ifdef CONDITIONAL_LOADCONST
-                                               {
+#if CONDITIONAL_LOADCONST
+# if defined(ENABLE_INTRP)
+                                               if (!opt_intrp) {
+# endif
                                                        tbptr = m->basicblocks + b_index;
                                                        if ((b_count >= 3) &&
-                                                           ((b_index + 2) == m->basicblockindex[iptr[0].op1]) &&
-                                                           (tbptr[1].pre_count == 1) &&
-                                                           (iptr[1].opc == ICMD_ICONST) &&
-                                                           (iptr[2].opc == ICMD_GOTO)   &&
-                                                           ((b_index + 3) == m->basicblockindex[iptr[2].op1]) &&
-                                                           (tbptr[2].pre_count == 1) &&
-                                                           (iptr[3].opc == ICMD_ICONST)) {
+                                                               ((b_index + 2) == m->basicblockindex[iptr[0].op1]) &&
+                                                               (tbptr[1].pre_count == 1) &&
+                                                               (tbptr[1].iinstr[0].opc == ICMD_ICONST) &&
+                                                               (tbptr[1].iinstr[1].opc == ICMD_GOTO)   &&
+                                                               ((b_index + 3) == m->basicblockindex[tbptr[1].iinstr[1].op1]) &&
+                                                               (tbptr[2].pre_count == 1) &&
+                                                               (tbptr[2].iinstr[0].opc == ICMD_ICONST)  &&
+                                                               (tbptr[2].icount==1)) {
+                                                               /*printf("tbptr[2].icount=%d\n",tbptr[2].icount);*/
                                                                OP1_1(TYPE_INT, TYPE_INT);
                                                                switch (iptr[0].opc) {
                                                                case ICMD_IFEQ:
@@ -1021,11 +1424,22 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                        iptr[0].opc = ICMD_IFGT_ICONST;
                                                                        break;
                                                                }
+#if 1
                                                                iptr[0].val.i = iptr[1].val.i;
                                                                iptr[1].opc = ICMD_ELSE_ICONST;
                                                                iptr[1].val.i = iptr[3].val.i;
                                                                iptr[2].opc = ICMD_NOP;
                                                                iptr[3].opc = ICMD_NOP;
+#else
+                                                               /* HACK: save compare value in iptr[1].op1 */    
+                                                               iptr[1].op1 = iptr[0].val.i;     
+                                                               iptr[0].val.i = tbptr[1].iinstr[0].val.i;        
+                                                               iptr[1].opc = ICMD_ELSE_ICONST;          
+                                                               iptr[1].val.i = tbptr[2].iinstr[0].val.i;        
+                                                               tbptr[1].iinstr[0].opc = ICMD_NOP;       
+                                                               tbptr[1].iinstr[1].opc = ICMD_NOP;       
+                                                               tbptr[2].iinstr[0].opc = ICMD_NOP;       
+#endif
                                                                tbptr[1].flags = BBDELETED;
                                                                tbptr[2].flags = BBDELETED;
                                                                tbptr[1].icount = 0;
@@ -1044,9 +1458,14 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                b_index += 2;
                                                                break;
                                                        }
+# if defined(ENABLE_INTRP)
                                                }
-#endif
+# endif
+
+#endif /* CONDITIONAL_LOADCONST */
+
                                                OP1_0(TYPE_INT);
+                                               iptr->val.i = 0;
                                                tbptr = m->basicblocks + m->basicblockindex[iptr->op1];
 
                                                iptr[0].target = (void *) tbptr;
@@ -1094,9 +1513,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                }
                                                SETDST;
                                                superblockend = true;
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
                                                        
                                                /* pop 1 push 0 table branch */
@@ -1128,7 +1544,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                superblockend = true;
                                                break;
 
-                                       case ICMD_NULLCHECKPOP:
                                        case ICMD_MONITORENTER:
                                                COUNT(count_check_null);
                                        case ICMD_MONITOREXIT:
@@ -1169,9 +1584,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                COUNT(count_check_null);
                                                COUNT(count_pcmd_mem);
                                                OPTT2_0(iptr->op1,TYPE_ADR);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
 
                                        case ICMD_POP2:
@@ -1206,11 +1618,13 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        }
                                                }
 #endif
+                                               last_dupx = bptr->icount - len - 1;
                                                COUNT(count_dup_instruction);
                                                DUP;
                                                break;
 
                                        case ICMD_DUP2:
+                                               last_dupx = bptr->icount - len - 1;
                                                REQUIRE_1;
                                                if (IS_2_WORD_TYPE(curstack->type)) {
                                                        /* ..., cat2 */
@@ -1251,10 +1665,12 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        }
                                                }
 #endif
+                                               last_dupx = bptr->icount - len - 1;
                                                DUP_X1;
                                                break;
 
                                        case ICMD_DUP2_X1:
+                                               last_dupx = bptr->icount - len - 1;
                                                REQUIRE_2;
                                                if (IS_2_WORD_TYPE(curstack->type)) {
                                                        /* ..., ????, cat2 */
@@ -1288,6 +1704,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                /* pop 3 push 4 dup */
                                                
                                        case ICMD_DUP_X2:
+                                               last_dupx = bptr->icount - len - 1;
                                                REQUIRE_2;
                                                if (IS_2_WORD_TYPE(curstack->prev->type)) {
                                                        /* ..., cat2, ???? */
@@ -1319,6 +1736,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                break;
 
                                        case ICMD_DUP2_X2:
+                                               last_dupx = bptr->icount - len - 1;
                                                REQUIRE_2;
                                                if (IS_2_WORD_TYPE(curstack->type)) {
                                                        /* ..., ????, cat2 */
@@ -1378,6 +1796,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                /* pop 2 push 2 swap */
                                                
                                        case ICMD_SWAP:
+                                               last_dupx = bptr->icount - len - 1;
 #ifdef TYPECHECK_STACK_COMPCAT
                                                if (opt_verify) {
                                                        REQUIRE_2;
@@ -1392,35 +1811,33 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                break;
 
                                                /* pop 2 push 1 */
-                                               
-                                       case ICMD_IDIV:
-#if !SUPPORT_DIVISION
-                                               iptr[0].opc = ICMD_BUILTIN2;
-                                               iptr[0].op1 = TYPE_INT;
-                                               iptr[0].val.fp = BUILTIN_idiv;
-                                               m->isleafmethod = false;
-                                               goto builtin2;
-#endif
 
+                                       case ICMD_IDIV:
                                        case ICMD_IREM:
 #if !SUPPORT_DIVISION
-                                               iptr[0].opc = ICMD_BUILTIN2;
-                                               iptr[0].op1 = TYPE_INT;
-                                               iptr[0].val.fp = BUILTIN_irem;
-                                               m->isleafmethod = false;
-                                               goto builtin2;
-#endif
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
+                                               bte = (builtintable_entry *) iptr->val.a;
+                                               md = bte->md;
+                                               i = iptr->op1;
+
+                                               if (md->memuse > rd->memuse)
+                                                       rd->memuse = md->memuse;
+                                               if (md->argintreguse > rd->argintreguse)
+                                                       rd->argintreguse = md->argintreguse;
+
+                                               /* make all stack variables saved */
+
+                                               copy = curstack;
+                                               while (copy) {
+                                                       copy->flags |= SAVEDVAR;
+                                                       copy = copy->prev;
+                                               }
+
+                                               /* fall through */
+#endif /* !SUPPORT_DIVISION */
 
                                        case ICMD_ISHL:
                                        case ICMD_ISHR:
                                        case ICMD_IUSHR:
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                        case ICMD_IADD:
                                        case ICMD_ISUB:
                                        case ICMD_IMUL:
@@ -1432,34 +1849,36 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                break;
 
                                        case ICMD_LDIV:
-#if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
-                                               iptr[0].opc = ICMD_BUILTIN2;
-                                               iptr[0].op1 = TYPE_LNG;
-                                               iptr[0].val.fp = BUILTIN_ldiv;
-                                               m->isleafmethod = false;
-                                               goto builtin2;
-#endif
-
                                        case ICMD_LREM:
 #if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
-                                               iptr[0].opc = ICMD_BUILTIN2;
-                                               iptr[0].op1 = TYPE_LNG;
-                                               iptr[0].val.fp = BUILTIN_lrem;
-                                               m->isleafmethod = false;
-                                               goto builtin2;
-#endif
+                                               bte = (builtintable_entry *) iptr->val.a;
+                                               md = bte->md;
+                                               i = iptr->op1;
+
+                                               if (md->memuse > rd->memuse)
+                                                       rd->memuse = md->memuse;
+                                               if (md->argintreguse > rd->argintreguse)
+                                                       rd->argintreguse = md->argintreguse;
+
+                                               /* make all stack variables saved */
+
+                                               copy = curstack;
+                                               while (copy) {
+                                                       copy->flags |= SAVEDVAR;
+                                                       copy = copy->prev;
+                                               }
+
+                                               /* fall through */
+#endif /* !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV) */
 
                                        case ICMD_LMUL:
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                        case ICMD_LADD:
                                        case ICMD_LSUB:
-                                       case ICMD_LOR:
+#if SUPPORT_LONG_LOGICAL
                                        case ICMD_LAND:
+                                       case ICMD_LOR:
                                        case ICMD_LXOR:
-                                               /* DEBUG */ /*dolog("OP2_1(TYPE_LNG)"); */
+#endif /* SUPPORT_LONG_LOGICAL */
                                                COUNT(count_pcmd_op);
                                                OP2_1(TYPE_LNG);
                                                break;
@@ -1469,10 +1888,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_LUSHR:
                                                COUNT(count_pcmd_op);
                                                OP2IT_1(TYPE_LNG);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                                break;
 
                                        case ICMD_FADD:
@@ -1495,14 +1910,11 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 
                                        case ICMD_LCMP:
                                                COUNT(count_pcmd_op);
-#if !defined(NOLONG_CONDITIONAL)
+#if SUPPORT_LONG_CMP_CONST
                                                if ((len > 0) && (iptr[1].val.i == 0)) {
                                                        switch (iptr[1].opc) {
                                                        case ICMD_IFEQ:
                                                                iptr[0].opc = ICMD_IF_LCMPEQ;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                        icmd_lcmp_if_tail:
                                                                iptr[0].op1 = iptr[1].op1;
                                                                len--;
@@ -1518,9 +1930,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                                break;
                                                        case ICMD_IFNE:
                                                                iptr[0].opc = ICMD_IF_LCMPNE;
-#if defined(__I386__)
-                                                               method_uses_ecx = true;
-#endif
                                                                goto icmd_lcmp_if_tail;
                                                        case ICMD_IFLT:
                                                                iptr[0].opc = ICMD_IF_LCMPLT;
@@ -1539,7 +1948,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                        }
                                                }
                                                else
-#endif
+#endif /* SUPPORT_LONG_CMP_CONST */
                                                        OPTT2_1(TYPE_LNG, TYPE_INT);
                                                break;
                                        case ICMD_FCMPL:
@@ -1578,9 +1987,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_I2L:
                                                COUNT(count_pcmd_op);
                                                OP1_1(TYPE_INT, TYPE_LNG);
-#if defined(__I386__)
-                                               method_uses_edx = true;
-#endif
                                                break;
                                        case ICMD_I2F:
                                                COUNT(count_pcmd_op);
@@ -1609,9 +2015,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_F2L:
                                                COUNT(count_pcmd_op);
                                                OP1_1(TYPE_FLT, TYPE_LNG);
-#if defined(__I386__)
-                                               method_uses_edx = true;
-#endif
                                                break;
                                        case ICMD_F2D:
                                                COUNT(count_pcmd_op);
@@ -1624,9 +2027,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_D2L:
                                                COUNT(count_pcmd_op);
                                                OP1_1(TYPE_DBL, TYPE_LNG);
-#if defined(__I386__)
-                                               method_uses_edx = true;
-#endif
                                                break;
                                        case ICMD_D2F:
                                                COUNT(count_pcmd_op);
@@ -1634,18 +2034,29 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                break;
 
                                        case ICMD_CHECKCAST:
+                                               if (iptr->op1 == 0) {
+                                                       /* array type cast-check */
+
+                                                       bte = builtintable_get_internal(BUILTIN_arraycheckcast);
+                                                       md = bte->md;
+
+                                                       if (md->memuse > rd->memuse)
+                                                               rd->memuse = md->memuse;
+                                                       if (md->argintreguse > rd->argintreguse)
+                                                               rd->argintreguse = md->argintreguse;
+
+                                                       /* make all stack variables saved */
+
+                                                       copy = curstack;
+                                                       while (copy) {
+                                                               copy->flags |= SAVEDVAR;
+                                                               copy = copy->prev;
+                                                       }
+                                               }
                                                OP1_1(TYPE_ADR, TYPE_ADR);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                                break;
 
                                        case ICMD_INSTANCEOF:
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-                                               method_uses_edx = true;
-#endif
                                        case ICMD_ARRAYLENGTH:
                                                OP1_1(TYPE_ADR, TYPE_INT);
                                                break;
@@ -1659,9 +2070,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                COUNT(count_check_null);
                                                COUNT(count_pcmd_mem);
                                                OP1_1(TYPE_ADR, iptr->op1);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
 
                                                /* pop 0 push 1 */
@@ -1669,9 +2077,6 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                        case ICMD_GETSTATIC:
                                                COUNT(count_pcmd_mem);
                                                OP0_1(iptr->op1);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
-#endif
                                                break;
 
                                        case ICMD_NEW:
@@ -1699,148 +2104,156 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                                                OP1_0ANY;
                                                break;
 
-                                               /* pop many push any */
-                                               
-                                       case ICMD_INVOKEVIRTUAL:
+                                       /* pop many push any */
+
+                                       case ICMD_BUILTIN:
+#if defined(USEBUILTINTABLE)
+                                       builtin:
+#endif
+                                               bte = (builtintable_entry *) iptr->val.a;
+                                               md = bte->md;
+                                               goto _callhandling;
+
+                                       case ICMD_INVOKESTATIC:
                                        case ICMD_INVOKESPECIAL:
+                                       case ICMD_INVOKEVIRTUAL:
                                        case ICMD_INVOKEINTERFACE:
-                                       case ICMD_INVOKESTATIC:
                                                COUNT(count_pcmd_met);
-#if defined(__I386__)
-                                               method_uses_ecx = true;
+                                               um = iptr->target;
+                                               md = um->methodref->parseddesc.md;
+/*                          if (lm->flags & ACC_STATIC) */
+/*                              {COUNT(count_check_null);} */   
+
+                                       _callhandling:
+
+                                               last_pei = bptr->icount - len - 1;
+
+                                               i = md->paramcount;
+
+                                               if (md->memuse > rd->memuse)
+                                                       rd->memuse = md->memuse;
+                                               if (md->argintreguse > rd->argintreguse)
+                                                       rd->argintreguse = md->argintreguse;
+                                               if (md->argfltreguse > rd->argfltreguse)
+                                                       rd->argfltreguse = md->argfltreguse;
+
+                                               REQUIRE(i);
+
+                                               copy = curstack;
+                                               for (i-- ; i >= 0; i--) {
+#if defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
+                                               /* If we pass float arguments in integer argument registers, we
+                                                * are not allowed to precolor them here. Floats have to be moved
+                                                * to this regs explicitly in codegen().
+                                                * Only arguments that are passed by stack anyway can be precolored
+                                                * (michi 2005/07/24) */
+                                                       if (!(copy->flags & SAVEDVAR) &&
+                                                          (!IS_FLT_DBL_TYPE(copy->type) || md->params[i].inmemory)) {
+#else
+                                                       if (!(copy->flags & SAVEDVAR)) {
 #endif
-                                               {
-                                                       methodinfo *lm = iptr->val.a;
-                                                       if (lm->flags & ACC_STATIC)
-                                                               {COUNT(count_check_null);}
-                                                       i = iptr->op1;
-                                                       if (i > rd->arguments_num)
-                                                               rd->arguments_num = i;
-                                                       REQUIRE(i);
-#if defined(__X86_64__)
-                                                       {
-                                                               s4 iarg = 0;
-                                                               s4 farg = 0;
-                                                               s4 stackargs = 0;
-
-                                                               copy = curstack;
-                                                               while (--i >= 0) {
-                                                                       (IS_FLT_DBL_TYPE(copy->type)) ? farg++ : iarg++;
-                                                                       copy = copy->prev;
-                                                               }
+                                                               copy->varkind = ARGVAR;
+                                                               copy->varnum = i;
 
-                                                               stackargs += (iarg < rd->intreg_argnum) ?
-                                                                       0 : (iarg - rd->intreg_argnum);
-                                                               stackargs += (farg < rd->fltreg_argnum) ?
-                                                                       0 : (farg - rd->fltreg_argnum);
-
-                                                               i = iptr->op1;
-                                                               copy = curstack;
-                                                               while (--i >= 0) {
-                                                                       if (!(copy->flags & SAVEDVAR)) {
-                                                                               copy->varkind = ARGVAR;
-                                                                               if (IS_FLT_DBL_TYPE(copy->type)) {
-                                                                                       if (--farg < rd->fltreg_argnum) {
-                                                                                               copy->varnum = farg;
-                                                                                       } else {
-                                                                                               copy->varnum = --stackargs + rd->intreg_argnum;
-                                                                                       }
-                                                                               } else {
-                                                                                       if (--iarg < rd->intreg_argnum) {
-                                                                                               copy->varnum = iarg;
-                                                                                       } else {
-                                                                                               copy->varnum = --stackargs + rd->intreg_argnum;
-                                                                                       }
-                                                                               }
+#if defined(ENABLE_INTRP)
+                                                               if (!opt_intrp) {
+#endif
+                                                                       if (md->params[i].inmemory) {
+                                                                               copy->flags = INMEMORY;
+                                                                               copy->regoff = md->params[i].regoff;
                                                                        } else {
-                                                                               (IS_FLT_DBL_TYPE(copy->type)) ? --farg : --iarg;
-                                                                       }
-                                                                       copy = copy->prev;
-                                                               }
-                                                       }
+                                                                               copy->flags = 0;
+                                                                               if (IS_FLT_DBL_TYPE(copy->type))
+#if defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
+                                                                                       assert(0); /* XXX is this assert ok? */
 #else
-                                                       copy = curstack;
-                                                       while (--i >= 0) {
-                                                               if (! (copy->flags & SAVEDVAR)) {
-                                                                       copy->varkind = ARGVAR;
-                                                                       copy->varnum = i;
+                                                                               copy->regoff =
+                                                                                       rd->argfltregs[md->params[i].regoff];
+#endif
+                                                                               else {
+#if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                                                                       if (IS_2_WORD_TYPE(copy->type))
+                                                                                               copy->regoff = PACK_REGS(
+                                                                                                                                                rd->argintregs[GET_LOW_REG(md->params[i].regoff)],
+                                                                                                                                                rd->argintregs[GET_HIGH_REG(md->params[i].regoff)]);
+                                                                                       else
+#endif
+                                                                                               copy->regoff =
+                                                                                                       rd->argintregs[md->params[i].regoff];
+                                                                               }
+                                                                       }
+#if defined(ENABLE_INTRP)
                                                                }
-                                                               copy = copy->prev;
-                                                       }
 #endif
-                                                       while (copy) {
-                                                               copy->flags |= SAVEDVAR;
-                                                               copy = copy->prev;
                                                        }
-                                                       i = iptr->op1;
-                                                       POPMANY(i);
-                                                       if (lm->returntype != TYPE_VOID) {
-                                                               OP0_1(lm->returntype);
-                                                       }
-                                                       break;
+                                                       copy = copy->prev;
                                                }
-                                       case ICMD_INLINE_START:
-                                       case ICMD_INLINE_END:
-                                               SETDST;
-                                               break;
 
-                                       case ICMD_BUILTIN3:
-                                               /* DEBUG */ /*dolog("builtin3");*/
-                                               REQUIRE_3;
-                                               if (! (curstack->flags & SAVEDVAR)) {
-                                                       curstack->varkind = ARGVAR;
-                                                       curstack->varnum = 2;
-                                               }
-                                               if (3 > rd->arguments_num) {
-                                                       rd->arguments_num = 3;
+                                               while (copy) {
+                                                       copy->flags |= SAVEDVAR;
+                                                       copy = copy->prev;
                                                }
-                                               OP1_0ANY;
 
-                                       case ICMD_BUILTIN2:
-                                       builtin2:
-                                               REQUIRE_2;
-                                               /* DEBUG */ /*dolog("builtin2");*/
-                                       if (!(curstack->flags & SAVEDVAR)) {
-                                               curstack->varkind = ARGVAR;
-                                               curstack->varnum = 1;
-                                       }
-                                       if (2 > rd->arguments_num) {
-                                               rd->arguments_num = 2;
-                                       }
-                                       OP1_0ANY;
+                                               i = md->paramcount;
+                                               POPMANY(i);
+                                               if (md->returntype.type != TYPE_VOID)
+                                                       OP0_1(md->returntype.type);
+                                               break;
 
-                                       case ICMD_BUILTIN1:
-                                       builtin1:
-                                               REQUIRE_1;
-                                               /* DEBUG */ /*dolog("builtin1");*/
-                                       if (!(curstack->flags & SAVEDVAR)) {
-                                               curstack->varkind = ARGVAR;
-                                               curstack->varnum = 0;
-                                       }
-                                       if (1 > rd->arguments_num) {
-                                               rd->arguments_num = 1;
-                                       }
-                                       OP1_0ANY;
-                                       copy = curstack;
-                                       while (copy) {
-                                               copy->flags |= SAVEDVAR;
-                                               copy = copy->prev;
-                                       }
-                                       if (iptr->op1 != TYPE_VOID)
-                                               OP0_1(iptr->op1);
-                                       break;
+                                       case ICMD_INLINE_START:
+                                       case ICMD_INLINE_END:
+                                               SETDST;
+                                               break;
 
                                        case ICMD_MULTIANEWARRAY:
+                                               if (rd->argintreguse < 3)
+                                                       rd->argintreguse = 3;
+
                                                i = iptr->op1;
+
                                                REQUIRE(i);
-                                               if ((i + rd->intreg_argnum) > rd->arguments_num)
-                                                       rd->arguments_num = i + rd->intreg_argnum;
+#if defined(SPECIALMEMUSE)
+# if defined(__DARWIN__)
+                                               if (rd->memuse < (i + INT_ARG_CNT + LA_WORD_SIZE))
+                                                       rd->memuse = i + LA_WORD_SIZE + INT_ARG_CNT;
+# else
+                                               if (rd->memuse < (i + LA_WORD_SIZE + 3))
+                                                       rd->memuse = i + LA_WORD_SIZE + 3;
+# endif
+#else
+# if defined(__I386__)
+                                               if (rd->memuse < i + 3)
+                                                       rd->memuse = i + 3; /* n integer args spilled on stack */
+# elif defined(__MIPS__) && SIZEOF_VOID_P == 4
+                                               if (rd->memuse < i + 2)
+                                                       rd->memuse = i + 2; /* 4*4 bytes callee save space */
+# else
+                                               if (rd->memuse < i)
+                                                       rd->memuse = i; /* n integer args spilled on stack */
+# endif /* defined(__I386__) */
+#endif
                                                copy = curstack;
                                                while (--i >= 0) {
                                                        /* check INT type here? Currently typecheck does this. */
-                                                       if (! (copy->flags & SAVEDVAR)) {
+                                                       if (!(copy->flags & SAVEDVAR)) {
                                                                copy->varkind = ARGVAR;
-                                                               copy->varnum = i + rd->intreg_argnum;
+                                                               copy->varnum = i + INT_ARG_CNT;
+                                                               copy->flags |= INMEMORY;
+#if defined(SPECIALMEMUSE)
+# if defined(__DARWIN__)
+                                                               copy->regoff = i + LA_WORD_SIZE + INT_ARG_CNT;
+# else
+                                                               copy->regoff = i + LA_WORD_SIZE + 3;
+# endif
+#else
+# if defined(__I386__)
+                                                               copy->regoff = i + 3;
+# elif defined(__MIPS__) && SIZEOF_VOID_P == 4
+                                                               copy->regoff = i + 2;
+# else
+                                                               copy->regoff = i;
+# endif /* defined(__I386__) */
+#endif /* defined(SPECIALMEMUSE) */
                                                        }
                                                        copy = copy->prev;
                                                }
@@ -1879,8 +2292,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 
                                        default:
                                                *exceptionptr =
-                                                       new_exception_message(string_java_lang_InternalError,
-                                                                                                 "Unknown ICMD");
+                                                       new_internalerror("Unknown ICMD %d", opcode);
                                                return NULL;
                                        } /* switch */
 
@@ -1898,7 +2310,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                } /* while blocks */
        } while (repeat && !deadcode);
 
-#if defined(STATISTICS)
+#if defined(ENABLE_STATISTICS)
        if (opt_stat) {
                if (m->basicblockcount > count_max_basic_blocks)
                        count_max_basic_blocks = m->basicblockcount;
@@ -1971,7 +2383,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
                else
                        count_method_bb_distribution[8]++;
        }
-#endif
+#endif /* defined(ENABLE_STATISTICS) */
 
        /* just return methodinfo* to signal everything was ok */
 
@@ -1979,9 +2391,7 @@ methodinfo *analyse_stack(methodinfo *m, codegendata *cd, registerdata *rd)
 }
 
 
-/**********************************************************************/
-/* DEBUGGING HELPERS                                                  */
-/**********************************************************************/
+/* debugging helpers **********************************************************/
 
 void icmd_print_stack(codegendata *cd, stackptr s)
 {
@@ -1998,18 +2408,50 @@ void icmd_print_stack(codegendata *cd, stackptr s)
        j = cd->maxstack - i;
        while (--i >= 0)
                printf("    ");
+
        while (s) {
                j--;
-               /* DEBUG */ /*printf("(%d,%d,%d,%d)",s->varkind,s->flags,s->regoff,s->varnum); fflush(stdout);*/
                if (s->flags & SAVEDVAR)
                        switch (s->varkind) {
                        case TEMPVAR:
                                if (s->flags & INMEMORY)
                                        printf(" M%02d", s->regoff);
-                               else if ((s->type == TYPE_FLT) || (s->type == TYPE_DBL))
+#ifdef HAS_ADDRESS_REGISTER_FILE
+                               else if (s->type == TYPE_ADR)
+                                       printf(" R%02d", s->regoff);
+#endif
+                               else if (IS_FLT_DBL_TYPE(s->type))
                                        printf(" F%02d", s->regoff);
                                else {
-                                       printf(" %3s", regs[s->regoff]);
+#if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                       if (IS_2_WORD_TYPE(s->type)) {
+# if defined(ENABLE_JIT)
+#  if defined(ENABLE_INTRP)
+                                               if (opt_intrp)
+                                                       printf(" %3d/%3d", GET_LOW_REG(s->regoff),
+                                                                  GET_HIGH_REG(s->regoff));
+                                               else
+#  endif
+                                                       printf(" %3s/%3s", regs[GET_LOW_REG(s->regoff)],
+                                                                  regs[GET_HIGH_REG(s->regoff)]);
+# else
+                                               printf(" %3d/%3d", GET_LOW_REG(s->regoff),
+                                                          GET_HIGH_REG(s->regoff));
+# endif
+                                       } else 
+#endif /* defined(SUPPORT_COMBINE_INTEGER_REGISTERS) */
+                                               {
+#if defined(ENABLE_JIT)
+# if defined(ENABLE_INTRP)
+                                                       if (opt_intrp)
+                                                               printf(" %3d", s->regoff);
+                                                       else
+# endif
+                                                               printf(" %3s", regs[s->regoff]);
+#else
+                                                       printf(" %3d", s->regoff);
+#endif
+                                               }
                                }
                                break;
                        case STACKVAR:
@@ -2019,7 +2461,12 @@ void icmd_print_stack(codegendata *cd, stackptr s)
                                printf(" L%02d", s->varnum);
                                break;
                        case ARGVAR:
-                               printf(" A%02d", s->varnum);
+                               if (s->varnum == -1) {
+                                       /* Return Value                                  */
+                                       /* varkind ARGVAR "misused for this special case */
+                                       printf("  V0");
+                               } else /* "normal" Argvar */
+                                       printf(" A%02d", s->varnum);
                                break;
                        default:
                                printf(" !%02d", j);
@@ -2029,10 +2476,42 @@ void icmd_print_stack(codegendata *cd, stackptr s)
                        case TEMPVAR:
                                if (s->flags & INMEMORY)
                                        printf(" m%02d", s->regoff);
-                               else if ((s->type == TYPE_FLT) || (s->type == TYPE_DBL))
+#ifdef HAS_ADDRESS_REGISTER_FILE
+                               else if (s->type == TYPE_ADR)
+                                       printf(" r%02d", s->regoff);
+#endif
+                               else if (IS_FLT_DBL_TYPE(s->type))
                                        printf(" f%02d", s->regoff);
                                else {
-                                       printf(" %3s", regs[s->regoff]);
+#if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                       if (IS_2_WORD_TYPE(s->type)) {
+# if defined(ENABLE_JIT)
+#  if defined(ENABLE_INTRP)
+                                               if (opt_intrp)
+                                                       printf(" %3d/%3d", GET_LOW_REG(s->regoff),
+                                                                  GET_HIGH_REG(s->regoff));
+                                               else
+#  endif
+                                                       printf(" %3s/%3s", regs[GET_LOW_REG(s->regoff)],
+                                                                  regs[GET_HIGH_REG(s->regoff)]);
+# else
+                                               printf(" %3d/%3d", GET_LOW_REG(s->regoff),
+                                                          GET_HIGH_REG(s->regoff));
+# endif
+                                       } else
+#endif /* defined(SUPPORT_COMBINE_INTEGER_REGISTERS) */
+                                               {
+#if defined(ENABLE_JIT)
+# if defined(ENABLE_INTRP)
+                                                       if (opt_intrp)
+                                                               printf(" %3d", s->regoff);
+                                                       else
+# endif
+                                                               printf(" %3s", regs[s->regoff]);
+#else
+                                                       printf(" %3d", s->regoff);
+#endif
+                                               }
                                }
                                break;
                        case STACKVAR:
@@ -2042,6 +2521,11 @@ void icmd_print_stack(codegendata *cd, stackptr s)
                                printf(" l%02d", s->varnum);
                                break;
                        case ARGVAR:
+                               if (s->varnum == -1) {
+                                       /* Return Value                                  */
+                                       /* varkind ARGVAR "misused for this special case */
+                                       printf("  v0");
+                               } else /* "normal" Argvar */
                                printf(" a%02d", s->varnum);
                                break;
                        default:
@@ -2103,15 +2587,6 @@ static void print_reg(stackptr s) {
 #endif
 
 
-char *icmd_builtin_name(functionptr bptr)
-{
-       builtin_descriptor *bdesc = builtin_desc;
-       while ((bdesc->opcode != 0) && (bdesc->builtin != bptr))
-               bdesc++;
-       return (bdesc->opcode) ? bdesc->name : "<NOT IN TABLE>";
-}
-
-
 static char *jit_type[] = {
        "int",
        "lng",
@@ -2121,48 +2596,98 @@ static char *jit_type[] = {
 };
 
 
+/* show_icmd_method ************************************************************
+
+   XXX
+
+*******************************************************************************/
+
+#if !defined(NDEBUG)
 void show_icmd_method(methodinfo *m, codegendata *cd, registerdata *rd)
 {
-       int i, j;
-       basicblock *bptr;
+       basicblock     *bptr;
        exceptiontable *ex;
+       s4              i, j;
+       u1             *u1ptr;
+
+#if defined(USE_THREADS)
+       /* We need to enter a lock here, since the binutils disassembler
+          is not reentrant-able and we could not read functions printed
+          at the same time. */
+
+       builtin_monitorenter(lock_show_icmd);
+#endif
 
        printf("\n");
-       utf_fprint_classname(stdout, m->class->name);
-       printf(".");
-       utf_fprint(stdout, m->name);
-       utf_fprint_classname(stdout, m->descriptor);
-       printf("\n\nMax locals: %d\n", (int) cd->maxlocals);
-       printf("Max stack:  %d\n", (int) cd->maxstack);
 
+       method_println(m);
+
+       printf("\nBasic blocks: %d\n", m->basicblockcount);
+       printf("Max locals:   %d\n", cd->maxlocals);
+       printf("Max stack:    %d\n", cd->maxstack);
        printf("Line number table length: %d\n", m->linenumbercount);
 
        printf("Exceptions (Number: %d):\n", cd->exceptiontablelength);
        for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
                printf("    L%03d ... ", ex->start->debug_nr );
                printf("L%03d  = ", ex->end->debug_nr);
-               printf("L%03d\n", ex->handler->debug_nr);
+               printf("L%03d", ex->handler->debug_nr);
+               printf("  (catchtype: ");
+               if (ex->catchtype.any)
+                       if (IS_CLASSREF(ex->catchtype))
+                               utf_display_classname(ex->catchtype.ref->name);
+                       else
+                               utf_display_classname(ex->catchtype.cls->name);
+               else
+                       printf("ANY");
+               printf(")\n");
        }
        
        printf("Local Table:\n");
        for (i = 0; i < cd->maxlocals; i++) {
                printf("   %3d: ", i);
-               for (j = TYPE_INT; j <= TYPE_ADR; j++)
-                       if (rd->locals[i][j].type >= 0) {
-                               printf("   (%s) ", jit_type[j]);
-                               if (rd->locals[i][j].flags & INMEMORY)
-                                       printf("m%2d", rd->locals[i][j].regoff);
-                               else if ((j == TYPE_FLT) || (j == TYPE_DBL))
-                                       printf("f%02d", rd->locals[i][j].regoff);
-                               else {
-                                       printf("%3s", regs[rd->locals[i][j].regoff]);
+
+#if defined(ENABLE_JIT)
+               for (j = TYPE_INT; j <= TYPE_ADR; j++) {
+# if defined(ENABLE_INTRP)
+                       if (!opt_intrp) {
+# endif
+                               if (rd->locals[i][j].type >= 0) {
+                                       printf("   (%s) ", jit_type[j]);
+                                       if (rd->locals[i][j].flags & INMEMORY)
+                                               printf("m%2d", rd->locals[i][j].regoff);
+# ifdef HAS_ADDRESS_REGISTER_FILE
+                                       else if (j == TYPE_ADR)
+                                               printf("r%02d", rd->locals[i][j].regoff);
+# endif
+                                       else if ((j == TYPE_FLT) || (j == TYPE_DBL))
+                                               printf("f%02d", rd->locals[i][j].regoff);
+                                       else {
+# if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                               if (IS_2_WORD_TYPE(j))
+                                                       printf(" %3s/%3s",
+                                                                  regs[GET_LOW_REG(rd->locals[i][j].regoff)],
+                                                                  regs[GET_HIGH_REG(rd->locals[i][j].regoff)]);
+                                               else
+# endif
+                                                       printf("%3s", regs[rd->locals[i][j].regoff]);
+                                       }
                                }
+# if defined(ENABLE_INTRP)
                        }
+# endif
+               }
+#endif /* defined(ENABLE_JIT) */
+
                printf("\n");
        }
        printf("\n");
-#ifdef LSRA
+
+#if defined(ENABLE_LSRA)
        if (!opt_lsra) {
+#endif
+#if defined(ENABLE_INTRP)
+               if (!opt_intrp) {
 #endif
        printf("Interface Table:\n");
        for (i = 0; i < cd->maxstack; i++) {
@@ -2172,144 +2697,200 @@ void show_icmd_method(methodinfo *m, codegendata *cd, registerdata *rd)
                        (rd->interfaces[i][3].type >= 0) ||
                    (rd->interfaces[i][4].type >= 0)) {
                        printf("   %3d: ", i);
-                       for (j = TYPE_INT; j <= TYPE_ADR; j++)
-                               if (rd->interfaces[i][j].type >= 0) {
-                                       printf("   (%s) ", jit_type[j]);
-                                       if (rd->interfaces[i][j].flags & SAVEDVAR) {
-                                               if (rd->interfaces[i][j].flags & INMEMORY)
-                                                       printf("M%2d", rd->interfaces[i][j].regoff);
-                                               else if ((j == TYPE_FLT) || (j == TYPE_DBL))
-                                                       printf("F%02d", rd->interfaces[i][j].regoff);
-                                               else {
-                                                       printf("%3s", regs[rd->interfaces[i][j].regoff]);
+
+#if defined(ENABLE_JIT)
+# if defined(ENABLE_INTRP)
+                       if (!opt_intrp) {
+# endif
+                               for (j = TYPE_INT; j <= TYPE_ADR; j++) {
+                                       if (rd->interfaces[i][j].type >= 0) {
+                                               printf("   (%s) ", jit_type[j]);
+                                               if (rd->interfaces[i][j].flags & SAVEDVAR) {
+                                                       if (rd->interfaces[i][j].flags & INMEMORY)
+                                                               printf("M%2d", rd->interfaces[i][j].regoff);
+#ifdef HAS_ADDRESS_REGISTER_FILE
+                                                       else if (j == TYPE_ADR)
+                                                               printf("R%02d", rd->interfaces[i][j].regoff);
+#endif
+                                                       else if ((j == TYPE_FLT) || (j == TYPE_DBL))
+                                                               printf("F%02d", rd->interfaces[i][j].regoff);
+                                                       else {
+#if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                                               if (IS_2_WORD_TYPE(j))
+                                                                       printf(" %3s/%3s",
+                                                                                  regs[GET_LOW_REG(rd->interfaces[i][j].regoff)],
+                                                                                  regs[GET_HIGH_REG(rd->interfaces[i][j].regoff)]);
+                                                               else
+#endif
+                                                                       printf("%3s",regs[rd->interfaces[i][j].regoff]);
+                                                       }
                                                }
-                                       }
-                                       else {
-                                               if (rd->interfaces[i][j].flags & INMEMORY)
-                                                       printf("m%2d", rd->interfaces[i][j].regoff);
-                                               else if ((j == TYPE_FLT) || (j == TYPE_DBL))
-                                                       printf("f%02d", rd->interfaces[i][j].regoff);
                                                else {
-                                                       printf("%3s", regs[rd->interfaces[i][j].regoff]);
+                                                       if (rd->interfaces[i][j].flags & INMEMORY)
+                                                               printf("m%2d", rd->interfaces[i][j].regoff);
+#ifdef HAS_ADDRESS_REGISTER_FILE
+                                                       else if (j == TYPE_ADR)
+                                                               printf("r%02d", rd->interfaces[i][j].regoff);
+#endif
+                                                       else if ((j == TYPE_FLT) || (j == TYPE_DBL))
+                                                               printf("f%02d", rd->interfaces[i][j].regoff);
+                                                       else {
+#if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
+                                                               if (IS_2_WORD_TYPE(j))
+                                                                       printf(" %3s/%3s",
+                                                                                  regs[GET_LOW_REG(rd->interfaces[i][j].regoff)],
+                                                                                  regs[GET_HIGH_REG(rd->interfaces[i][j].regoff)]);
+                                                               else
+#endif
+                                                                       printf("%3s",regs[rd->interfaces[i][j].regoff]);
+                                                       }
                                                }
                                        }
                                }
-                       printf("\n");
+                               printf("\n");
+# if defined(ENABLE_INTRP)
+                       }
+# endif
+#endif /* defined(ENABLE_JIT) */
+
                }
        }
        printf("\n");
-#ifdef LSRA
+
+#if defined(ENABLE_INTRP)
+               }
+#endif
+#if defined(ENABLE_LSRA)
        }
 #endif
-       if (showdisassemble) {
-#if defined(__I386__) || defined(__X86_64__)
-               u1 *u1ptr;
-               s4 a;
 
+       /* show code before first basic block */
+
+       if (opt_showdisassemble) {
                u1ptr = (u1 *) ((ptrint) m->mcode + cd->dseglen);
-               for (i = 0; i < m->basicblocks[0].mpc; i++, u1ptr++) {
-                       a = disassinstr(u1ptr, i);
-                       i += a;
-                       u1ptr += a;
-               }
-               printf("\n");
-#else
-               s4 *s4ptr;
 
-               s4ptr = (s4 *) ((ptrint) m->mcode + cd->dseglen);
-               for (i = 0; i < m->basicblocks[0].mpc; i += 4, s4ptr++) {
-                       disassinstr(s4ptr, i); 
-               }
+               for (; u1ptr < (u1 *) ((ptrint) m->mcode + cd->dseglen + m->basicblocks[0].mpc);)
+                       DISASSINSTR(u1ptr);
+
                printf("\n");
-#endif
        }
-       
+
+       /* show code of all basic blocks */
+
        for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
                show_icmd_block(m, cd, bptr);
        }
+
+       /* show stubs code */
+
+       if (opt_showdisassemble && opt_showexceptionstubs) {
+               printf("\nException stubs code:\n");
+               printf("Length: %d\n\n", (s4) (m->mcodelength -
+                                                                          ((ptrint) cd->dseglen +
+                                                                               m->basicblocks[m->basicblockcount].mpc)));
+
+               u1ptr = (u1 *) ((ptrint) m->mcode + cd->dseglen +
+                                               m->basicblocks[m->basicblockcount].mpc);
+
+               for (; (ptrint) u1ptr < ((ptrint) m->mcode + m->mcodelength);)
+                       DISASSINSTR(u1ptr);
+
+               printf("\n");
+       }
+
+#if defined(USE_THREADS)
+       builtin_monitorexit(lock_show_icmd);
+#endif
 }
+#endif /* !defined(NDEBUG) */
+
+
+/* show_icmd_block *************************************************************
 
+   XXX
 
+*******************************************************************************/
+
+#if !defined(NDEBUG)
 void show_icmd_block(methodinfo *m, codegendata *cd, basicblock *bptr)
 {
-       int i, j;
-       int deadcode;
+       s4           i, j;
+       bool         deadcode;
        instruction *iptr;
+       u1          *u1ptr;
 
        if (bptr->flags != BBDELETED) {
                deadcode = bptr->flags <= BBREACHED;
+
                printf("[");
+
                if (deadcode)
                        for (j = cd->maxstack; j > 0; j--)
                                printf(" ?  ");
                else
                        icmd_print_stack(cd, bptr->instack);
-               printf("] L%03d(%d - %d) flags=%d:\n", bptr->debug_nr, bptr->icount, bptr->pre_count,bptr->flags);
+
+               printf("] L%03d(flags: %d, next: %d, type: ",
+                          bptr->debug_nr, bptr->flags, (bptr->next) ? (bptr->next->debug_nr) : -1);
+
+               switch (bptr->type) {
+               case BBTYPE_STD:
+                       printf("STD");
+                       break;
+               case BBTYPE_EXH:
+                       printf("EXH");
+                       break;
+               case BBTYPE_SBR:
+                       printf("SBR");
+                       break;
+               }
+
+               printf(", instruction count: %d, predecessors: %d):\n",
+                          bptr->icount, bptr->pre_count);
+
                iptr = bptr->iinstr;
 
                for (i = 0; i < bptr->icount; i++, iptr++) {
                        printf("[");
-                       if (deadcode) {
+
+                       if (deadcode)
                                for (j = cd->maxstack; j > 0; j--)
                                        printf(" ?  ");
-                       }
                        else
                                icmd_print_stack(cd, iptr->dst);
-                       printf("]     %4d  ", i);
+
+                       printf("] %5d (line: %5d)  ", i, iptr->line);
+
                        show_icmd(iptr, deadcode);
                        printf("\n");
                }
 
-               if (showdisassemble && (!deadcode)) {
-#if defined(__I386__) || defined(__X86_64__)
-                       u1 *u1ptr;
-                       s4 a;
-
+               if (opt_showdisassemble && (!deadcode)) {
                        printf("\n");
-                       i = bptr->mpc;
-                       u1ptr = (u1 *) ((ptrint) m->mcode + cd->dseglen + i);
+                       u1ptr = (u1 *) ((ptrint) m->mcode + cd->dseglen + bptr->mpc);
 
                        if (bptr->next != NULL) {
-                               for (; i < bptr->next->mpc; i++, u1ptr++) {
-                                       a = disassinstr(u1ptr, i);
-                                       i += a;
-                                       u1ptr += a;
-                               }
-                               printf("\n");
+                               for (; u1ptr < (u1 *) ((ptrint) m->mcode + cd->dseglen + bptr->next->mpc);)
+                                       DISASSINSTR(u1ptr);
 
                        } else {
-                               for (; u1ptr < (u1 *) ((ptrint) m->mcode + m->mcodelength); i++, u1ptr++) {
-                                       a = disassinstr(u1ptr, i); 
-                                       i += a;
-                                       u1ptr += a;
-                               }
-                               printf("\n");
+                               for (; u1ptr < (u1 *) ((ptrint) m->mcode + m->mcodelength);)
+                                       DISASSINSTR(u1ptr); 
                        }
-#else
-                       s4 *s4ptr;
-
                        printf("\n");
-                       i = bptr->mpc;
-                       s4ptr = (s4 *) ((ptrint) m->mcode + cd->dseglen + i);
-
-                       if (bptr->next != NULL) {
-                               for (; i < bptr->next->mpc; i += 4, s4ptr++) {
-                                       disassinstr(s4ptr, i); 
-                               }
-                               printf("\n");
-
-                       } else {
-                               for (; s4ptr < (s4 *) ((ptrint) m->mcode + m->mcodelength); i += 4, s4ptr++) {
-                                       disassinstr(s4ptr, i); 
-                               }
-                               printf("\n");
-                       }
-#endif
                }
        }
 }
+#endif /* !defined(NDEBUG) */
+
+
+/* show_icmd *******************************************************************
+
+   XXX
 
+*******************************************************************************/
 
+#if !defined(NDEBUG)
 void show_icmd(instruction *iptr, bool deadcode)
 {
        int j;
@@ -2322,6 +2903,7 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_IADDCONST:
        case ICMD_ISUBCONST:
        case ICMD_IMULCONST:
+       case ICMD_IMULPOW2:
        case ICMD_IDIVPOW2:
        case ICMD_IREMPOW2:
        case ICMD_IANDCONST:
@@ -2334,23 +2916,30 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_LSHRCONST:
        case ICMD_LUSHRCONST:
        case ICMD_ICONST:
-       case ICMD_ELSE_ICONST:
+       case ICMD_IASTORECONST:
+       case ICMD_BASTORECONST:
+       case ICMD_CASTORECONST:
+       case ICMD_SASTORECONST:
+               printf(" %d (0x%08x)", iptr->val.i, iptr->val.i);
+               break;
+
        case ICMD_IFEQ_ICONST:
        case ICMD_IFNE_ICONST:
        case ICMD_IFLT_ICONST:
        case ICMD_IFGE_ICONST:
        case ICMD_IFGT_ICONST:
        case ICMD_IFLE_ICONST:
-       case ICMD_IASTORECONST:
-       case ICMD_BASTORECONST:
-       case ICMD_CASTORECONST:
-       case ICMD_SASTORECONST:
-               printf(" %d", iptr->val.i);
+               printf(" %d, %d (0x%08x)", iptr[1].op1, iptr->val.i, iptr->val.i);
+               break;
+
+       case ICMD_ELSE_ICONST:
+               printf("    %d (0x%08x)", iptr->val.i, iptr->val.i);
                break;
 
        case ICMD_LADDCONST:
        case ICMD_LSUBCONST:
        case ICMD_LMULCONST:
+       case ICMD_LMULPOW2:
        case ICMD_LDIVPOW2:
        case ICMD_LREMPOW2:
        case ICMD_LANDCONST:
@@ -2358,40 +2947,122 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_LXORCONST:
        case ICMD_LCONST:
        case ICMD_LASTORECONST:
-#if defined(__I386__)
-               printf(" %lld", iptr->val.l);
+#if SIZEOF_VOID_P == 4
+               printf(" %lld (0x%016llx)", iptr->val.l, iptr->val.l);
 #else
-               printf(" %ld", iptr->val.l);
+               printf(" %ld (0x%016lx)", iptr->val.l, iptr->val.l);
 #endif
                break;
 
        case ICMD_FCONST:
-               printf(" %f", iptr->val.f);
+               printf(" %f (0x%08x)", iptr->val.f, iptr->val.i);
                break;
 
        case ICMD_DCONST:
-               printf(" %f", iptr->val.d);
+#if SIZEOF_VOID_P == 4
+               printf(" %g (0x%016llx)", iptr->val.d, iptr->val.l);
+#else
+               printf(" %g (0x%016lx)", iptr->val.d, iptr->val.l);
+#endif
                break;
 
        case ICMD_ACONST:
        case ICMD_AASTORECONST:
-               printf(" %p", iptr->val.a);
+               /* check if this is a constant string or a class reference */
+
+               if (iptr->target) {
+                       if (iptr->val.a)
+                               printf(" %p", iptr->val.a);
+                       else
+                               printf(" (NOT RESOLVED)");
+
+                       printf(", Class = \"");
+                       utf_display(((constant_classref *) iptr->target)->name);
+                       printf("\"");
+
+               } else {
+                       printf(" %p", iptr->val.a);
+                       if (iptr->val.a) {
+                               printf(", String = \"");
+                               utf_display(javastring_toutf(iptr->val.a, false));
+                               printf("\"");
+                       }
+               }
                break;
 
        case ICMD_GETFIELD:
        case ICMD_PUTFIELD:
-               printf(" %d,", ((fieldinfo *) iptr->val.a)->offset);
-       case ICMD_PUTSTATIC:
+               if (iptr->val.a)         
+                       printf(" %d, ", ((fieldinfo *) iptr->val.a)->offset);
+               else     
+                       printf(" (NOT RESOLVED), ");
+               utf_display_classname(((unresolved_field *) iptr->target)->fieldref->classref->name);
+               printf(".");
+               utf_display(((unresolved_field *) iptr->target)->fieldref->name);
+               printf(" (type ");
+               utf_display(((unresolved_field *) iptr->target)->fieldref->descriptor);
+               printf(")"); 
+               break;
+
+       case ICMD_PUTSTATIC:
        case ICMD_GETSTATIC:
-               printf(" ");
-               utf_fprint(stdout, ((fieldinfo *) iptr->val.a)->class->name);
+               if (iptr->val.a) {
+                       if (!CLASS_IS_OR_ALMOST_INITIALIZED(((fieldinfo *) iptr->val.a)->class))
+                               printf(" (NOT INITIALIZED) ");
+                       else
+                               printf(" ");
+               } else
+                       printf(" (NOT RESOLVED) ");
+               utf_display_classname(((unresolved_field *) iptr->target)->fieldref->classref->name);
                printf(".");
-               utf_fprint(stdout, ((fieldinfo *) iptr->val.a)->name);
+               utf_display(((unresolved_field *) iptr->target)->fieldref->name);
                printf(" (type ");
-               utf_fprint(stdout, ((fieldinfo *) iptr->val.a)->descriptor);
+               utf_display(((unresolved_field *) iptr->target)->fieldref->descriptor);
                printf(")");
                break;
 
+       case ICMD_PUTSTATICCONST:
+       case ICMD_PUTFIELDCONST:
+               switch (iptr[1].op1) {
+               case TYPE_INT:
+                       printf(" %d (0x%08x),", iptr->val.i, iptr->val.i);
+                       break;
+               case TYPE_LNG:
+#if SIZEOF_VOID_P == 4
+                       printf(" %lld (0x%016llx),", iptr->val.l, iptr->val.l);
+#else
+                       printf(" %ld (0x%016lx),", iptr->val.l, iptr->val.l);
+#endif
+                       break;
+               case TYPE_ADR:
+                       printf(" %p,", iptr->val.a);
+                       break;
+               case TYPE_FLT:
+                       printf(" %g (0x%08x),", iptr->val.f, iptr->val.i);
+                       break;
+               case TYPE_DBL:
+#if SIZEOF_VOID_P == 4
+                       printf(" %g (0x%016llx),", iptr->val.d, iptr->val.l);
+#else
+                       printf(" %g (0x%016lx),", iptr->val.d, iptr->val.l);
+#endif
+                       break;
+               }
+               if (iptr->opc == ICMD_PUTFIELDCONST) {
+                       if (iptr[1].val.a)
+                               printf(" %d,", ((fieldinfo *) iptr[1].val.a)->offset);
+                       else
+                               printf(" (NOT RESOLVED),");
+               }
+               printf(" ");     
+               utf_display_classname(((unresolved_field *) iptr[1].target)->fieldref->classref->name);          
+               printf(".");     
+               utf_display(((unresolved_field *) iptr[1].target)->fieldref->name);      
+               printf(" (type ");       
+               utf_display(((unresolved_field *) iptr[1].target)->fieldref->descriptor);        
+               printf(")");     
+               break;
+
        case ICMD_IINC:
                printf(" %d + %d", iptr->op1, iptr->val.i);
                break;
@@ -2433,8 +3104,7 @@ void show_icmd(instruction *iptr, bool deadcode)
 
        case ICMD_NEW:
                printf(" ");
-               utf_fprint(stdout,
-                                  ((classinfo *) iptr->val.a)->name);
+               utf_display_classname(((classinfo *) iptr->val.a)->name);
                break;
 
        case ICMD_NEWARRAY:
@@ -2469,57 +3139,61 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_ANEWARRAY:
                if (iptr->op1) {
                        printf(" ");
-                       utf_fprint(stdout,
-                                          ((classinfo *) iptr->val.a)->name);
+                       utf_display_classname(((classinfo *) iptr->val.a)->name);
                }
                break;
 
        case ICMD_MULTIANEWARRAY:
-               {
-                       vftbl_t *vft;
+               if (iptr->val.a == NULL) {
+                       printf(" (NOT RESOLVED) %d ", iptr->op1);
+                       utf_display(((constant_classref *) iptr->target)->name);
+               } else {
                        printf(" %d ",iptr->op1);
-                       vft = (vftbl_t *)iptr->val.a;
-                       if (vft)
-                               utf_fprint(stdout,vft->class->name);
-                       else
-                               printf("<null>");
+                       utf_display_classname(((classinfo *) iptr->val.a)->name);
                }
                break;
 
        case ICMD_CHECKCAST:
        case ICMD_INSTANCEOF:
-               if (iptr->op1) {
+               {
                        classinfo *c = iptr->val.a;
-                       if (c->flags & ACC_INTERFACE)
-                               printf(" (INTERFACE) ");
-                       else
-                               printf(" (CLASS,%3d) ", c->vftbl->diffval);
-                       utf_fprint(stdout, c->name);
+                       if (c) {
+                               if (c->flags & ACC_INTERFACE)
+                                       printf(" (INTERFACE) ");
+                               else
+                                       printf(" (CLASS,%3d) ", c->vftbl->diffval);
+                       } else {
+                               printf(" (NOT RESOLVED) ");
+                       }
+                       utf_display_classname(((constant_classref *) iptr->target)->name);
                }
                break;
 
        case ICMD_INLINE_START:
-               printf("\t\t\t%s.%s%s depth=%i",iptr->method->class->name->text,iptr->method->name->text,iptr->method->descriptor->text, iptr->op1);
-               break;
        case ICMD_INLINE_END:
+               printf(" ");
+               utf_display_classname(iptr->method->class->name);
+               printf(".");
+               utf_display_classname(iptr->method->name);
+               utf_display_classname(iptr->method->descriptor);
                break;
 
-       case ICMD_BUILTIN3:
-       case ICMD_BUILTIN2:
-       case ICMD_BUILTIN1:
-               printf(" %s", icmd_builtin_name((functionptr) iptr->val.fp));
+       case ICMD_BUILTIN:
+               printf(" %s", ((builtintable_entry *) iptr->val.a)->name);
                break;
 
        case ICMD_INVOKEVIRTUAL:
        case ICMD_INVOKESPECIAL:
        case ICMD_INVOKESTATIC:
        case ICMD_INVOKEINTERFACE:
-               printf(" ");
-               utf_fprint(stdout,
-                                  ((methodinfo *) iptr->val.a)->class->name);
+               if (!iptr->val.a)
+                       printf(" (NOT RESOLVED) ");
+               else
+                       printf(" ");
+               utf_display_classname(((unresolved_method *) iptr->target)->methodref->classref->name);
                printf(".");
-               utf_fprint(stdout,
-                                  ((methodinfo *) iptr->val.a)->name);
+               utf_display(((unresolved_method *) iptr->target)->methodref->name);
+               utf_display(((unresolved_method *) iptr->target)->methodref->descriptor);
                break;
 
        case ICMD_IFEQ:
@@ -2529,9 +3203,9 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_IFGT:
        case ICMD_IFLE:
                if (deadcode || !iptr->target)
-                       printf("(%d) op1=%d", iptr->val.i, iptr->op1);
+                       printf(" %d (0x%08x) op1=%d", iptr->val.i, iptr->val.i, iptr->op1);
                else
-                       printf("(%d) L%03d", iptr->val.i, ((basicblock *) iptr->target)->debug_nr);
+                       printf(" %d (0x%08x) L%03d (%p)", iptr->val.i, iptr->val.i, ((basicblock *) iptr->target)->debug_nr,iptr->target);
                break;
 
        case ICMD_IF_LEQ:
@@ -2541,13 +3215,13 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_IF_LGT:
        case ICMD_IF_LLE:
                if (deadcode || !iptr->target)
-#if defined(__I386__) || defined(__POWERPC__)
+#if SIZEOF_VOID_P == 4
                        printf("(%lld) op1=%d", iptr->val.l, iptr->op1);
 #else
                        printf("(%ld) op1=%d", iptr->val.l, iptr->op1);
 #endif
                else
-#if defined(__I386__) || defined(__POWERPC__)
+#if SIZEOF_VOID_P == 4
                        printf("(%lld) L%03d", iptr->val.l, ((basicblock *) iptr->target)->debug_nr);
 #else
                        printf("(%ld) L%03d", iptr->val.l, ((basicblock *) iptr->target)->debug_nr);
@@ -2572,10 +3246,11 @@ void show_icmd(instruction *iptr, bool deadcode)
        case ICMD_IF_LCMPLE:
        case ICMD_IF_ACMPEQ:
        case ICMD_IF_ACMPNE:
+       case ICMD_INLINE_GOTO:
                if (deadcode || !iptr->target)
                        printf(" op1=%d", iptr->op1);
                else
-                       printf(" L%03d", ((basicblock *) iptr->target)->debug_nr);
+                       printf(" L%03d (%p)", ((basicblock *) iptr->target)->debug_nr,iptr->target);
                break;
 
        case ICMD_TABLESWITCH:
@@ -2629,13 +3304,16 @@ void show_icmd(instruction *iptr, bool deadcode)
                        }
                }
                break;
+
+       case ICMD_ARETURN:
+               if (iptr->val.a) {
+                       printf(" (NOT RESOLVED), Class = \"");
+                       utf_display(((unresolved_class *) iptr->val.a)->classref->name);
+                       printf("\"");
+               }
        }
-       printf(" Line number: %d, method:",iptr->line);
-/*        printf("\t\t");
-       utf_display(iptr->method->class->name); 
-       printf("."); 
-       utf_display(iptr->method->name); */
 }
+#endif /* !defined(NDEBUG) */
 
 
 /*
@@ -2649,4 +3327,5 @@ void show_icmd(instruction *iptr, bool deadcode)
  * c-basic-offset: 4
  * tab-width: 4
  * End:
+ * vim:noexpandtab:sw=4:ts=4:
  */