Merged changes from trunk.
[cacao.git] / src / vm / jit / mips / codegen.c
index 649418d8b5b7a0627d039de7ed7bb877abf4fe34..c0663cbebfd34a3793e85a304b1aa0daf22cc944 100644 (file)
@@ -1,9 +1,9 @@
 /* src/vm/jit/mips/codegen.c - machine code generator for MIPS
 
-   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
             Reinhard Grafl
    This module generates MIPS machine code for a sequence of
    intermediate code commands (ICMDs).
 
-   $Id: codegen.c 3754 2005-11-23 00:20:13Z twisti $
+   $Id: codegen.c 5324 2006-09-05 17:11:32Z twisti $
 
 */
 
 
+#include "config.h"
+
 #include <assert.h>
 #include <stdio.h>
 
-#include "config.h"
 #include "vm/types.h"
 
 #include "md.h"
 #include "md-abi.h"
-#include "md-abi.inc"
 
 #include "vm/jit/mips/arch.h"
 #include "vm/jit/mips/codegen.h"
 
-#include "cacao/cacao.h"
 #include "native/native.h"
+
+#if defined(ENABLE_THREADS)
+# include "threads/native/lock.h"
+#endif
+
 #include "vm/builtin.h"
+#include "vm/class.h"
+#include "vm/exceptions.h"
+#include "vm/options.h"
 #include "vm/stringlocal.h"
+#include "vm/vm.h"
 #include "vm/jit/asmpart.h"
-#include "vm/jit/codegen.inc"
+#include "vm/jit/codegen-common.h"
+#include "vm/jit/dseg.h"
+#include "vm/jit/emit.h"
 #include "vm/jit/jit.h"
-
-#if defined(LSRA)
-# include "vm/jit/lsra.h"
-# include "vm/jit/lsra.inc"
-#endif
-
 #include "vm/jit/patcher.h"
 #include "vm/jit/reg.h"
-#include "vm/jit/reg.inc"
+#include "vm/jit/replace.h"
+
+#if defined(ENABLE_LSRA)
+# include "vm/jit/allocator/lsra.h"
+#endif
 
 
 /* codegen *********************************************************************
 
 *******************************************************************************/
 
-bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
+bool codegen(jitdata *jd)
 {
+       methodinfo         *m;
+       codeinfo           *code;
+       codegendata        *cd;
+       registerdata       *rd;
        s4                  len, s1, s2, s3, d, disp;
        ptrint              a;
-       s4                  parentargs_base;
-       s4                 *mcodeptr;
        stackptr            src;
        varinfo            *var;
        basicblock         *bptr;
@@ -92,39 +102,49 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
        methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
        builtintable_entry *bte;
        methoddesc         *md;
+       rplpoint           *replacementpoint;
+
+       /* get required compiler data */
+
+       m    = jd->m;
+       code = jd->code;
+       cd   = jd->cd;
+       rd   = jd->rd;
 
        {
        s4 i, p, t, l;
        s4 savedregs_num;
 
-       savedregs_num = (m->isleafmethod) ? 0 : 1;        /* space to save the RA */
+       savedregs_num = (jd->isleafmethod) ? 0 : 1;       /* space to save the RA */
 
        /* space to save used callee saved registers */
 
        savedregs_num += (INT_SAV_CNT - rd->savintreguse);
        savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 
-       parentargs_base = rd->memuse + savedregs_num;
+       cd->stackframesize = rd->memuse + savedregs_num;
+
+#if defined(ENABLE_THREADS)
+       /* space to save argument of monitor_enter */
 
-#if defined(USE_THREADS)           /* space to save argument of monitor_enter */
        if (checksync && (m->flags & ACC_SYNCHRONIZED))
-               parentargs_base++;
+               cd->stackframesize++;
 #endif
 
-       /* adjust frame size for 16 byte alignment */
+       /* keep stack 16-byte aligned */
 
-       if (parentargs_base & 1)
-               parentargs_base++;
+       if (cd->stackframesize & 1)
+               cd->stackframesize++;
 
        /* create method header */
 
 #if SIZEOF_VOID_P == 4
-       (void) dseg_addaddress(cd, m);                          /* Filler         */
+       (void) dseg_addaddress(cd, code);                      /* Filler          */
 #endif
-       (void) dseg_addaddress(cd, m);                          /* MethodPointer  */
-       (void) dseg_adds4(cd, parentargs_base * 8);             /* FrameSize      */
+       (void) dseg_addaddress(cd, code);                      /* CodeinfoPointer */
+       (void) dseg_adds4(cd, cd->stackframesize * 8);         /* FrameSize       */
 
-#if defined(USE_THREADS)
+#if defined(ENABLE_THREADS)
        /* IsSync contains the offset relative to the stack pointer for the
           argument of monitor_exit used in the exception handler. Since the
           offset could be zero and give a wrong meaning of the flag it is
@@ -132,16 +152,16 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
        */
 
        if (checksync && (m->flags & ACC_SYNCHRONIZED))
-               (void) dseg_adds4(cd, (rd->memuse + 1) * 8);        /* IsSync         */
+               (void) dseg_adds4(cd, (rd->memuse + 1) * 8);       /* IsSync          */
        else
 #endif
-               (void) dseg_adds4(cd, 0);                           /* IsSync         */
+               (void) dseg_adds4(cd, 0);                          /* IsSync          */
                                               
-       (void) dseg_adds4(cd, m->isleafmethod);                 /* IsLeaf         */
-       (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse);  /* IntSave        */
-       (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse);  /* FltSave        */
+       (void) dseg_adds4(cd, jd->isleafmethod);               /* IsLeaf          */
+       (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave         */
+       (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave         */
        dseg_addlinenumbertablesize(cd);
-       (void) dseg_adds4(cd, cd->exceptiontablelength);        /* ExTableSize    */
+       (void) dseg_adds4(cd, cd->exceptiontablelength);       /* ExTableSize     */
 
        /* create exception table */
 
@@ -152,25 +172,15 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                (void) dseg_addaddress(cd, ex->catchtype.cls);
        }
        
-       /* initialize mcode variables */
-       
-       mcodeptr = (s4 *) cd->mcodebase;
-       cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize);
-       MCODECHECK(128 + m->paramcount);
-
-       /* initialize the last patcher pointer */
-
-       cd->lastmcodeptr = (u1 *) mcodeptr;
-
        /* create stack frame (if necessary) */
 
-       if (parentargs_base)
-               M_LDA(REG_SP, REG_SP, -parentargs_base * 8);
+       if (cd->stackframesize)
+               M_LDA(REG_SP, REG_SP, -cd->stackframesize * 8);
 
        /* save return address and used callee saved registers */
 
-       p = parentargs_base;
-       if (!m->isleafmethod) {
+       p = cd->stackframesize;
+       if (!jd->isleafmethod) {
                p--; M_AST(REG_RA, REG_SP, p * 8);
        }
        for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
@@ -204,9 +214,9 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                        } else {                                 /* stack arguments       */
                                if (!(var->flags & INMEMORY)) {      /* stack arg -> register */
-                                       M_LLD(var->regoff, REG_SP, (parentargs_base + s1) * 8);
+                                       M_LLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
                                } else {                             /* stack arg -> spilled  */
-                                       var->regoff = parentargs_base + s1;
+                                       var->regoff = cd->stackframesize + s1;
                                }
                        }
 
@@ -214,30 +224,39 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        if (!md->params[p].inmemory) {           /* register arguments    */
                                s2 = rd->argfltregs[s1];
                                if (!(var->flags & INMEMORY)) {      /* reg arg -> register   */
-                                       M_TFLTMOVE(var->type, s2, var->regoff);
+                                       if (IS_2_WORD_TYPE(t))
+                                               M_DMOV(s2, var->regoff);
+                                       else
+                                               M_FMOV(s2, var->regoff);
                                } else {                                         /* reg arg -> spilled    */
-                                       M_DST(s2, REG_SP, var->regoff * 8);
+                                       if (IS_2_WORD_TYPE(t))
+                                               M_DST(s2, REG_SP, var->regoff * 8);
+                                       else
+                                               M_FST(s2, REG_SP, var->regoff * 8);
                                }
 
                        } else {                                 /* stack arguments       */
                                if (!(var->flags & INMEMORY)) {      /* stack-arg -> register */
-                                       M_DLD(var->regoff, REG_SP, (parentargs_base + s1) * 8);
-                               } else {                             /* stack-arg -> spilled  */
-                                       var->regoff = parentargs_base + s1;
-                               }
+                                       if (IS_2_WORD_TYPE(t))
+                                               M_DLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
+                                       else
+                                               M_FLD(var->regoff, REG_SP, (cd->stackframesize + s1) * 8);
+                               } else                               /* stack-arg -> spilled  */
+                                       var->regoff = cd->stackframesize + s1;
                        }
                }
        } /* end for */
 
        /* call monitorenter function */
 
-#if defined(USE_THREADS)
+#if defined(ENABLE_THREADS)
        if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
                /* stack offset for monitor argument */
 
                s1 = rd->memuse;
 
-               if (runverbose) {
+# if !defined(NDEBUG)
+               if (opt_verbosecall) {
                        M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
 
                        for (p = 0; p < INT_ARG_CNT; p++)
@@ -248,28 +267,26 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                        s1 += INT_ARG_CNT + FLT_ARG_CNT;
                }
+# endif
 
-               /* decide which monitor enter function to call */
+               /* get correct lock object */
 
                if (m->flags & ACC_STATIC) {
-                       p = dseg_addaddress(cd, m->class);
-                       M_ALD(REG_ITMP1, REG_PV, p);
-                       M_AST(REG_ITMP1, REG_SP, s1 * 8);
-                       p = dseg_addaddress(cd, BUILTIN_staticmonitorenter);
-                       M_ALD(REG_ITMP3, REG_PV, p);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_INTMOVE(REG_ITMP1, rd->argintregs[0]); /* branch delay */
-
-               } else {
+                       p = dseg_addaddress(cd, &m->class->object.header);
+                       M_ALD(rd->argintregs[0], REG_PV, p);
+               }
+               else {
                        M_BEQZ(rd->argintregs[0], 0);
-                       codegen_addxnullrefs(cd, mcodeptr);
-                       p = dseg_addaddress(cd, BUILTIN_monitorenter);
-                       M_ALD(REG_ITMP3, REG_PV, p);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_AST(rd->argintregs[0], REG_SP, s1 * 8); /* br delay */
+                       codegen_add_nullpointerexception_ref(cd);
                }
 
-               if (runverbose) {
+               p = dseg_addaddress(cd, LOCK_monitor_enter);
+               M_ALD(REG_ITMP3, REG_PV, p);
+               M_JSR(REG_RA, REG_ITMP3);
+               M_AST(rd->argintregs[0], REG_SP, s1 * 8);         /* branch delay */
+
+# if !defined(NDEBUG)
+               if (opt_verbosecall) {
                        for (p = 0; p < INT_ARG_CNT; p++)
                                M_LLD(rd->argintregs[p], REG_SP, p * 8);
 
@@ -279,105 +296,44 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                        M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
                }
+# endif
        }
 #endif
 
-       /* copy argument registers to stack and call trace function */
-
-       if (runverbose) {
-               M_LDA(REG_SP, REG_SP, -(2 + INT_ARG_CNT + FLT_ARG_CNT + INT_TMP_CNT + FLT_TMP_CNT) * 8);
-               M_AST(REG_RA, REG_SP, 1 * 8);
-
-               /* save integer argument registers */
-
-               for (p = 0; p < md->paramcount && p < INT_ARG_CNT; p++)
-                       M_LST(rd->argintregs[p], REG_SP, (2 + p) * 8);
-
-               /* save and copy float arguments into integer registers */
-
-               for (p = 0; p < md->paramcount && p < FLT_ARG_CNT; p++) {
-                       t = md->paramtypes[p].type;
-
-                       if (IS_FLT_DBL_TYPE(t)) {
-                               if (IS_2_WORD_TYPE(t)) {
-                                       M_DST(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-                                       M_LLD(rd->argintregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-
-                               } else {
-                                       M_FST(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-                                       M_ILD(rd->argintregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-                               }
-
-                       } else {
-                               M_DST(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-                       }
-               }
-
-               /* save temporary registers for leaf methods */
-
-               if (m->isleafmethod) {
-                       for (p = 0; p < INT_TMP_CNT; p++)
-                               M_LST(rd->tmpintregs[p], REG_SP, (2 + INT_ARG_CNT + FLT_ARG_CNT + p) * 8);
-
-                       for (p = 0; p < FLT_TMP_CNT; p++)
-                               M_DST(rd->tmpfltregs[p], REG_SP, (2 + INT_ARG_CNT + FLT_ARG_CNT + INT_TMP_CNT + p) * 8);
-               }
-
-               p = dseg_addaddress(cd, m);
-               M_ALD(REG_ITMP1, REG_PV, p);
-               M_AST(REG_ITMP1, REG_SP, 0 * 8);
-               disp = dseg_addaddress(cd, (void *) builtin_trace_args);
-               M_ALD(REG_ITMP3, REG_PV, disp);
-               M_JSR(REG_RA, REG_ITMP3);
-               M_NOP;
+#if !defined(NDEBUG)
+       if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
+               emit_verbosecall_enter(jd);
+#endif
 
-               M_ALD(REG_RA, REG_SP, 1 * 8);
+       }
 
-               /* restore integer argument registers */
+       /* end of header generation */
 
-               for (p = 0; p < md->paramcount && p < INT_ARG_CNT; p++)
-                       M_LLD(rd->argintregs[p], REG_SP, (2 + p) * 8);
+       replacementpoint = jd->code->rplpoints;
 
-               /* restore float argument registers */
+       /* walk through all basic blocks */
 
-               for (p = 0; p < md->paramcount && p < FLT_ARG_CNT; p++) {
-                       t = md->paramtypes[p].type;
+       for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
 
-                       if (IS_FLT_DBL_TYPE(t)) {
-                               if (IS_2_WORD_TYPE(t)) {
-                                       M_DLD(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
+               /* handle replacement points */
 
-                               } else {
-                                       M_FLD(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
-                               }
+               if (bptr->bitflags & BBFLAG_REPLACEMENT && bptr->flags >= BBREACHED) {
 
-                       } else {
-                               M_DLD(rd->argfltregs[p], REG_SP, (2 + INT_ARG_CNT + p) * 8);
+                       /* 8-byte align pc */
+                       if ((ptrint) cd->mcodeptr & 4) {
+                               M_NOP;
                        }
-               }
-
-               /* restore temporary registers for leaf methods */
-
-               if (m->isleafmethod) {
-                       for (p = 0; p < INT_TMP_CNT; p++)
-                               M_LLD(rd->tmpintregs[p], REG_SP, (2 + INT_ARG_CNT + FLT_ARG_CNT + p) * 8);
+                       
+                       replacementpoint->pc = (u1*)(ptrint) (cd->mcodeptr - cd->mcodebase);
+                       replacementpoint++;
 
-                       for (p = 0; p < FLT_TMP_CNT; p++)
-                               M_DLD(rd->tmpfltregs[p], REG_SP, (2 + INT_ARG_CNT + FLT_ARG_CNT + INT_TMP_CNT + p) * 8);
+                       assert(cd->lastmcodeptr <= cd->mcodeptr);
+                       cd->lastmcodeptr = cd->mcodeptr + 2 * 4;       /* br + delay slot */
                }
 
-               M_LDA(REG_SP, REG_SP, (2 + INT_ARG_CNT + FLT_ARG_CNT + INT_TMP_CNT + FLT_TMP_CNT) * 8);
-       }
-
-       }
-
-       /* end of header generation */
-
-       /* walk through all basic blocks */
-
-       for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
+               /* store relative start of block */
 
-               bptr->mpc = (s4) ((u1 *) mcodeptr - cd->mcodebase);
+               bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
 
                if (bptr->flags >= BBREACHED) {
 
@@ -385,7 +341,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        {
                                branchref *bref;
                                for (bref = bptr->branchrefs; bref != NULL; bref = bref->next) {
-                                       gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
+                                       gen_resolvebranch(cd->mcodebase + bref->branchpos, 
                                                                          bref->branchpos,
                                                                          bptr->mpc);
                                }
@@ -396,7 +352,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                src = bptr->instack;
                len = bptr->indepth;
                MCODECHECK(64+len);
-#ifdef LSRA
+#if defined(ENABLE_LSRA)
                if (opt_lsra) {
                while (src != NULL) {
                        len--;
@@ -407,7 +363,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        else
                                                d=REG_ITMP1;
                                        M_INTMOVE(REG_ITMP1, d);
-                                       store_reg_to_var_int(src, d);
+                                       emit_store(jd, NULL, src, d);
                                }
                                src = src->prev;
                        }
@@ -416,39 +372,42 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                while (src != NULL) {
                        len--;
                        if ((len == 0) && (bptr->type != BBTYPE_STD)) {
-                               d = reg_of_var(rd, src, REG_ITMP1);
+                               d = codegen_reg_of_var(rd, 0, src, REG_ITMP1);
                                M_INTMOVE(REG_ITMP1, d);
-                               store_reg_to_var_int(src, d);
+                               emit_store(jd, NULL, src, d);
 
                        } else {
-                               d = reg_of_var(rd, src, REG_IFTMP);
+                               d = codegen_reg_of_var(rd, 0, src, REG_IFTMP);
                                if ((src->varkind != STACKVAR)) {
                                        s2 = src->type;
+                                       s1 = rd->interfaces[len][s2].regoff;
                                        if (IS_FLT_DBL_TYPE(s2)) {
-                                               if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
-                                                       s1 = rd->interfaces[len][s2].regoff;
-                                                       M_TFLTMOVE(s2, s1, d);
+                                               if (rd->interfaces[len][s2].flags & INMEMORY) {
+                                                       if (IS_2_WORD_TYPE(s2))
+                                                               M_DLD(d, REG_SP, s1 * 8);
+                                                       else
+                                                               M_FLD(d, REG_SP, s1 * 8);
 
                                                } else {
-                                                       M_DLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
+                                                       if (IS_2_WORD_TYPE(s2))
+                                                               M_DMOV(s1, d);
+                                                       else
+                                                               M_FMOV(s1, d);
                                                }
-                                               store_reg_to_var_flt(src, d);
 
                                        } else {
-                                               if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
-                                                       s1 = rd->interfaces[len][s2].regoff;
+                                               if (rd->interfaces[len][s2].flags & INMEMORY)
+                                                       M_LLD(d, REG_SP, s1 * 8);
+                                               else
                                                        M_INTMOVE(s1,d);
-
-                                               } else {
-                                                       M_LLD(d, REG_SP, rd->interfaces[len][s2].regoff * 8);
-                                               }
-                                               store_reg_to_var_int(src, d);
                                        }
+
+                                       emit_store(jd, NULL, src, d);
                                }
                        }
                        src = src->prev;
                }
-#ifdef LSRA
+#if defined(ENABLE_LSRA)
                }
 #endif
                /* walk through all instructions */
@@ -459,7 +418,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) {
                        if (iptr->line != currentline) {
-                               dseg_addlinenumber(cd, iptr->line, (u1 *) mcodeptr);
+                               dseg_addlinenumber(cd, iptr->line);
                                currentline = iptr->line;
                        }
 
@@ -472,9 +431,9 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        M_BEQZ(s1, 0);
-                       codegen_addxnullrefs(cd, mcodeptr);
+                       codegen_add_nullpointerexception_ref(cd);
                        M_NOP;
                        break;
 
@@ -483,48 +442,48 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_ICONST:     /* ...  ==> ..., constant                       */
                                      /* op1 = 0, val.i = constant                    */
 
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        ICONST(d, iptr->val.i);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LCONST:     /* ...  ==> ..., constant                       */
                                      /* op1 = 0, val.l = constant                    */
 
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        LCONST(d, iptr->val.l);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FCONST:     /* ...  ==> ..., constant                       */
                                      /* op1 = 0, val.f = constant                    */
 
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                        disp = dseg_addfloat(cd, iptr->val.f);
                        M_FLD(d, REG_PV, disp);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                        
                case ICMD_DCONST:     /* ...  ==> ..., constant                       */
                                      /* op1 = 0, val.d = constant                    */
 
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                        disp = dseg_adddouble(cd, iptr->val.d);
                        M_DLD(d, REG_PV, disp);
-                       store_reg_to_var_flt (iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ACONST:     /* ...  ==> ..., constant                       */
                                      /* op1 = 0, val.a = constant                    */
 
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
 
-                       if ((iptr->target != NULL) && (iptr->val.a == NULL)) {
-                               disp = dseg_addaddress(cd, iptr->val.a);
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+                               disp = dseg_addaddress(cd, NULL);
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_aconst,
-                                                                       (unresolved_class *) iptr->target, disp);
+                               codegen_addpatchref(cd, PATCHER_aconst,
+                                                                       ICMD_ACONST_UNRESOLVED_CLASSREF(iptr),
+                                                                   disp);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
@@ -540,84 +499,173 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        M_ALD(d, REG_PV, disp);
                                }
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
                /* load/store operations **********************************************/
 
                case ICMD_ILOAD:      /* ...  ==> ..., content of local variable      */
-               case ICMD_LLOAD:      /* op1 = local variable                         */
-               case ICMD_ALOAD:
+                                     /* op1 = local variable                         */
 
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        if ((iptr->dst->varkind == LOCALVAR) &&
                            (iptr->dst->varnum == iptr->op1))
                                break;
                        var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
-                       if (var->flags & INMEMORY) {
-                               M_LLD(d, REG_SP, 8 * var->regoff);
-                       } else {
+                       if (var->flags & INMEMORY)
+#if SIZEOF_VOID_P == 8
+                               M_LLD(d, REG_SP, var->regoff * 8);
+#else
+                               M_ILD(d, REG_SP, var->regoff * 8);
+#endif
+                       else
                                M_INTMOVE(var->regoff,d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
+                       break;
+
+               case ICMD_LLOAD:      /* ...  ==> ..., content of local variable      */
+                                     /* op1 = local variable                         */
+
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
+                       if ((iptr->dst->varkind == LOCALVAR) &&
+                           (iptr->dst->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
+                       if (var->flags & INMEMORY)
+                               M_LLD(d, REG_SP, var->regoff * 8);
+                       else
+                               M_INTMOVE(var->regoff,d);
+                       emit_store(jd, iptr, iptr->dst, d);
+                       break;
+
+               case ICMD_ALOAD:      /* ...  ==> ..., content of local variable      */
+                                     /* op1 = local variable                         */
+
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
+                       if ((iptr->dst->varkind == LOCALVAR) &&
+                           (iptr->dst->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
+                       if (var->flags & INMEMORY)
+                               M_ALD(d, REG_SP, var->regoff * 8);
+                       else
+                               M_INTMOVE(var->regoff,d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FLOAD:      /* ...  ==> ..., content of local variable      */
-               case ICMD_DLOAD:      /* op1 = local variable                         */
+                                     /* op1 = local variable                         */
 
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                        if ((iptr->dst->varkind == LOCALVAR) &&
                            (iptr->dst->varnum == iptr->op1))
                                break;
                        var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
-                       {
-                               int t2 = ((iptr->opc == ICMD_FLOAD) ? TYPE_FLT : TYPE_DBL);
-                               if (var->flags & INMEMORY) {
-                                       M_CCFLD(var->type, t2, d, REG_SP, 8 * var->regoff);
-                               } else {
-                                       M_CCFLTMOVE(var->type, t2, var->regoff, d);
-                               }
-                       }
-                       store_reg_to_var_flt(iptr->dst, d);
+                       if (var->flags & INMEMORY)
+                               M_FLD(d, REG_SP, var->regoff * 8);
+                       else
+                               M_FMOV(var->regoff, d);
+                       emit_store(jd, iptr, iptr->dst, d);
+                       break;
+
+               case ICMD_DLOAD:      /* ...  ==> ..., content of local variable      */
+                                     /* op1 = local variable                         */
+
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
+                       if ((iptr->dst->varkind == LOCALVAR) &&
+                           (iptr->dst->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
+                       if (var->flags & INMEMORY)
+                               M_DLD(d, REG_SP, var->regoff * 8);
+                       else
+                               M_DMOV(var->regoff, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
                case ICMD_ISTORE:     /* ..., value  ==> ...                          */
-               case ICMD_LSTORE:     /* op1 = local variable                         */
-               case ICMD_ASTORE:
+                                     /* op1 = local variable                         */
+
+                       if ((src->varkind == LOCALVAR) &&
+                           (src->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
+                       if (var->flags & INMEMORY) {
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+#if SIZEOF_VOID_P == 8
+                               M_LST(s1, REG_SP, var->regoff * 8);
+#else
+                               M_IST(s1, REG_SP, var->regoff * 8);
+#endif
+                       } else {
+                               s1 = emit_load_s1(jd, iptr, src, var->regoff);
+                               M_INTMOVE(s1, var->regoff);
+                       }
+                       break;
+
+               case ICMD_LSTORE:     /* ..., value  ==> ...                          */
+                                     /* op1 = local variable                         */
 
                        if ((src->varkind == LOCALVAR) &&
                            (src->varnum == iptr->op1))
                                break;
                        var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
                        if (var->flags & INMEMORY) {
-                               var_to_reg_int(s1, src, REG_ITMP1);
-                               M_LST(s1, REG_SP, 8 * var->regoff);
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                               M_LST(s1, REG_SP, var->regoff * 8);
+                       } else {
+                               s1 = emit_load_s1(jd, iptr, src, var->regoff);
+                               M_INTMOVE(s1, var->regoff);
+                       }
+                       break;
 
+               case ICMD_ASTORE:     /* ..., value  ==> ...                          */
+                                     /* op1 = local variable                         */
+
+                       if ((src->varkind == LOCALVAR) &&
+                           (src->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
+                       if (var->flags & INMEMORY) {
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                               M_AST(s1, REG_SP, var->regoff * 8);
                        } else {
-                               var_to_reg_int(s1, src, var->regoff);
+                               s1 = emit_load_s1(jd, iptr, src, var->regoff);
                                M_INTMOVE(s1, var->regoff);
                        }
                        break;
 
                case ICMD_FSTORE:     /* ..., value  ==> ...                          */
-               case ICMD_DSTORE:     /* op1 = local variable                         */
+                                     /* op1 = local variable                         */
 
                        if ((src->varkind == LOCALVAR) &&
                            (src->varnum == iptr->op1))
                                break;
                        var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
-                       {
-                               int t1 = ((iptr->opc == ICMD_FSTORE) ? TYPE_FLT : TYPE_DBL);
-                               if (var->flags & INMEMORY) {
-                                       var_to_reg_flt(s1, src, REG_FTMP1);
-                                       M_CCFST(t1, var->type, s1, REG_SP, 8 * var->regoff);
+                       if (var->flags & INMEMORY) {
+                               s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                               M_FST(s1, REG_SP, var->regoff * 8);
+                       } else {
+                               s1 = emit_load_s1(jd, iptr, src, var->regoff);
+                               M_FMOV(s1, var->regoff);
+                       }
+                       break;
 
-                               } else {
-                                       var_to_reg_flt(s1, src, var->regoff);
-                                       M_CCFLTMOVE(t1, var->type, s1, var->regoff);
-                               }
+               case ICMD_DSTORE:     /* ..., value  ==> ...                          */
+                                     /* op1 = local variable                         */
+
+                       if ((src->varkind == LOCALVAR) &&
+                           (src->varnum == iptr->op1))
+                               break;
+                       var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
+                       if (var->flags & INMEMORY) {
+                               s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                               M_DST(s1, REG_SP, var->regoff * 8);
+                       } else {
+                               s1 = emit_load_s1(jd, iptr, src, var->regoff);
+                               M_DMOV(s1, var->regoff);
                        }
                        break;
 
@@ -685,406 +733,406 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                case ICMD_INEG:       /* ..., value  ==> ..., - value                 */
 
-                       var_to_reg_int(s1, src, REG_ITMP1); 
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1); 
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISUB(REG_ZERO, s1, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LNEG:       /* ..., value  ==> ..., - value                 */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSUB(REG_ZERO, s1, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_I2L:        /* ..., value  ==> ..., value                   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_INTMOVE(s1, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_L2I:        /* ..., value  ==> ..., value                   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISLL_IMM(s1, 0, d );
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_INT2BYTE:   /* ..., value  ==> ..., value                   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSLL_IMM(s1, 56, d);
                        M_LSRA_IMM( d, 56, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_INT2CHAR:   /* ..., value  ==> ..., value                   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
             M_CZEXT(s1, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_INT2SHORT:  /* ..., value  ==> ..., value                   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSLL_IMM(s1, 48, d);
                        M_LSRA_IMM( d, 48, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
                case ICMD_IADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_IADD(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IADDCONST:  /* ..., value  ==> ..., value + constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
                                M_IADD_IMM(s1, iptr->val.i, d);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_IADD(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LADD(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LADDCONST:  /* ..., value  ==> ..., value + constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
                                M_LADD_IMM(s1, iptr->val.l, d);
                        } else {
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_LADD(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISUB(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISUBCONST:  /* ..., value  ==> ..., value + constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.i >= -32767) && (iptr->val.i <= 32768)) {
                                M_IADD_IMM(s1, -iptr->val.i, d);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_ISUB(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSUB(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSUBCONST:  /* ..., value  ==> ..., value - constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.l >= -32767) && (iptr->val.l <= 32768)) {
                                M_LADD_IMM(s1, -iptr->val.l, d);
                        } else {
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_LSUB(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_IMUL(s1, s2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        ICONST(REG_ITMP2, iptr->val.i);
                        M_IMUL(s1, REG_ITMP2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LMUL(s1, s2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        LCONST(REG_ITMP2, iptr->val.l);
                        M_LMUL(s1, REG_ITMP2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        gen_div_check(s2);
                        M_IDIV(s1, s2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        gen_div_check(s2);
                        M_LDIV(s1, s2);
                        M_MFLO(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        gen_div_check(s2);
                        M_IDIV(s1, s2);
                        M_MFHI(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        gen_div_check(s2);
                        M_LDIV(s1, s2);
                        M_MFHI(d);
                        M_NOP;
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value << constant       */
                case ICMD_LDIVPOW2:   /* val.i = constant                             */
                                      
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSRA_IMM(s1, 63, REG_ITMP2);
                        M_LSRL_IMM(REG_ITMP2, 64 - iptr->val.i, REG_ITMP2);
                        M_LADD(s1, REG_ITMP2, REG_ITMP2);
                        M_LSRA_IMM(REG_ITMP2, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISLL(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISHLCONST:  /* ..., value  ==> ..., value << constant       */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISLL_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISRA(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_ISHRCONST:  /* ..., value  ==> ..., value >> constant       */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISRA_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISRL(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_ISRL_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSHL:       /* ..., val1, val2  ==> ..., val1 << val2       */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSLL(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSHLCONST:  /* ..., value  ==> ..., value << constant       */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSLL_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSHR:       /* ..., val1, val2  ==> ..., val1 >> val2       */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSRA(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LSHRCONST:  /* ..., value  ==> ..., value >> constant       */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSRA_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LUSHR:      /* ..., val1, val2  ==> ..., val1 >>> val2      */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSRL(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LUSHRCONST: /* ..., value  ==> ..., value >>> constant      */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_LSRL_IMM(s1, iptr->val.i, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IAND:       /* ..., val1, val2  ==> ..., val1 & val2        */
                case ICMD_LAND:
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_AND(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IANDCONST:  /* ..., value  ==> ..., value & constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.i >= 0) && (iptr->val.i <= 0xffff)) {
                                M_AND_IMM(s1, iptr->val.i, d);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_AND(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IREMPOW2:   /* ..., value  ==> ..., value % constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (s1 == d) {
                                M_MOV(s1, REG_ITMP1);
                                s1 = REG_ITMP1;
@@ -1104,28 +1152,28 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                M_AND(d, REG_ITMP2, d);
                        }
                        M_ISUB(REG_ZERO, d, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LANDCONST:  /* ..., value  ==> ..., value & constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
                                M_AND_IMM(s1, iptr->val.l, d);
                        } else {
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_AND(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LREMPOW2:   /* ..., value  ==> ..., value % constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (s1 == d) {
                                M_MOV(s1, REG_ITMP1);
                                s1 = REG_ITMP1;
@@ -1145,95 +1193,95 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                M_AND(d, REG_ITMP2, d);
                        }
                        M_LSUB(REG_ZERO, d, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IOR:        /* ..., val1, val2  ==> ..., val1 | val2        */
                case ICMD_LOR:
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_OR(s1,s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IORCONST:   /* ..., value  ==> ..., value | constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.i >= 0) && (iptr->val.i <= 0xffff)) {
                                M_OR_IMM(s1, iptr->val.i, d);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_OR(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LORCONST:   /* ..., value  ==> ..., value | constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
                                M_OR_IMM(s1, iptr->val.l, d);
                        } else {
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_OR(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IXOR:       /* ..., val1, val2  ==> ..., val1 ^ val2        */
                case ICMD_LXOR:
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_XOR(s1, s2, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IXORCONST:  /* ..., value  ==> ..., value ^ constant        */
                                      /* val.i = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.i >= 0) && (iptr->val.i <= 0xffff)) {
                                M_XOR_IMM(s1, iptr->val.i, d);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_XOR(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LXORCONST:  /* ..., value  ==> ..., value ^ constant        */
                                      /* val.l = constant                             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
                                M_XOR_IMM(s1, iptr->val.l, d);
                        } else {
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_XOR(s1, REG_ITMP2, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
                case ICMD_LCMP:       /* ..., val1, val2  ==> ..., val1 cmp val2      */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_CMPLT(s1, s2, REG_ITMP3);
                        M_CMPLT(s2, s1, REG_ITMP1);
                        M_LSUB(REG_ITMP1, REG_ITMP3, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
@@ -1256,199 +1304,203 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                case ICMD_FNEG:       /* ..., value  ==> ..., - value                 */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_FNEG(s1, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DNEG:       /* ..., value  ==> ..., - value                 */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_DNEG(s1, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_FADD(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DADD:       /* ..., val1, val2  ==> ..., val1 + val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_DADD(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_FSUB(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DSUB:       /* ..., val1, val2  ==> ..., val1 - val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_DSUB(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FMUL:       /* ..., val1, val2  ==> ..., val1 * val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_FMUL(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DMUL:       /* ..., val1, val2  ==> ..., val1 *** val2      */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_DMUL(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_FDIV(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DDIV:       /* ..., val1, val2  ==> ..., val1 / val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_DDIV(s1, s2, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 #if 0          
                case ICMD_FREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP3);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
                        M_FDIV(s1,s2, REG_FTMP3);
                        M_FLOORFL(REG_FTMP3, REG_FTMP3);
                        M_CVTLF(REG_FTMP3, REG_FTMP3);
                        M_FMUL(REG_FTMP3, s2, REG_FTMP3);
                        M_FSUB(s1, REG_FTMP3, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                    break;
 
                case ICMD_DREM:       /* ..., val1, val2  ==> ..., val1 % val2        */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP3);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
                        M_DDIV(s1,s2, REG_FTMP3);
                        M_FLOORDL(REG_FTMP3, REG_FTMP3);
                        M_CVTLD(REG_FTMP3, REG_FTMP3);
                        M_DMUL(REG_FTMP3, s2, REG_FTMP3);
                        M_DSUB(s1, REG_FTMP3, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                    break;
 #endif
 
                case ICMD_I2F:       /* ..., value  ==> ..., (float) value            */
                case ICMD_L2F:
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_MOVLD(s1, d);
                        M_CVTLF(d, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_I2D:       /* ..., value  ==> ..., (double) value           */
                case ICMD_L2D:
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_MOVLD(s1, d);
                        M_CVTLD(d, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
-                       
+
+#if 0
+               /* XXX these do not work correctly */
+
                case ICMD_F2I:       /* ..., (float) value  ==> ..., (int) value      */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        M_TRUNCFI(s1, REG_FTMP1);
                        M_MOVDI(REG_FTMP1, d);
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                
                case ICMD_D2I:       /* ..., (double) value  ==> ..., (int) value     */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_TRUNCDI(s1, REG_FTMP1);
                        M_MOVDI(REG_FTMP1, d);
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                
                case ICMD_F2L:       /* ..., (float) value  ==> ..., (long) value     */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_TRUNCFL(s1, REG_FTMP1);
                        M_MOVDL(REG_FTMP1, d);
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_D2L:       /* ..., (double) value  ==> ..., (long) value    */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_TRUNCDL(s1, REG_FTMP1);
                        M_MOVDL(REG_FTMP1, d);
                        M_NOP;
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
+#endif
 
                case ICMD_F2D:       /* ..., value  ==> ..., (double) value           */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_CVTFD(s1, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                                        
                case ICMD_D2F:       /* ..., value  ==> ..., (double) value           */
 
-                       var_to_reg_flt(s1, src, REG_FTMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP2);
                        M_CVTDF(s1, d);
-                       store_reg_to_var_flt(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                
                case ICMD_FCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_FCMPULEF(s1, s2);
                        M_FBT(3);
                        M_LADD_IMM(REG_ZERO, 1, d);
@@ -1457,14 +1509,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_FCMPEQF(s1, s2);
                        M_LSUB_IMM(REG_ZERO, 1, d);
                        M_CMOVT(REG_ZERO, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DCMPL:      /* ..., val1, val2  ==> ..., val1 fcmpl val2    */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_FCMPULED(s1, s2);
                        M_FBT(3);
                        M_LADD_IMM(REG_ZERO, 1, d);
@@ -1473,14 +1525,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_FCMPEQD(s1, s2);
                        M_LSUB_IMM(REG_ZERO, 1, d);
                        M_CMOVT(REG_ZERO, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
                        
                case ICMD_FCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_FCMPOLTF(s1, s2);
                        M_FBF(3);
                        M_LSUB_IMM(REG_ZERO, 1, d);
@@ -1489,14 +1541,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_FCMPEQF(s1, s2);
                        M_LADD_IMM(REG_ZERO, 1, d);
                        M_CMOVT(REG_ZERO, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DCMPG:      /* ..., val1, val2  ==> ..., val1 fcmpg val2    */
 
-                       var_to_reg_flt(s1, src->prev, REG_FTMP1);
-                       var_to_reg_flt(s2, src, REG_FTMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
                        M_FCMPOLTD(s1, s2);
                        M_FBF(3);
                        M_LSUB_IMM(REG_ZERO, 1, d);
@@ -1505,7 +1557,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_FCMPEQD(s1, s2);
                        M_LADD_IMM(REG_ZERO, 1, d);
                        M_CMOVT(REG_ZERO, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
@@ -1513,227 +1565,227 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                case ICMD_ARRAYLENGTH: /* ..., arrayref  ==> ..., length              */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        gen_nullptr_check(s1);
                        M_ILD(d, s1, OFFSET(java_arrayheader, size));
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_BALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_AADD(s2, s1, REG_ITMP1);
-                       M_BLDS(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_AADD(s2, s1, REG_ITMP3);
+                       M_BLDS(d, REG_ITMP3, OFFSET(java_bytearray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_CALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_AADD(s2, s1, REG_ITMP1);
-                       M_AADD(s2, REG_ITMP1, REG_ITMP1);
-                       M_SLDU(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_AADD(s2, s1, REG_ITMP3);
+                       M_AADD(s2, REG_ITMP3, REG_ITMP3);
+                       M_SLDU(d, REG_ITMP3, OFFSET(java_chararray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;                  
 
                case ICMD_SALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_AADD(s2, s1, REG_ITMP1);
-                       M_AADD(s2, REG_ITMP1, REG_ITMP1);
-                       M_SLDS(d, REG_ITMP1, OFFSET(java_chararray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_AADD(s2, s1, REG_ITMP3);
+                       M_AADD(s2, REG_ITMP3, REG_ITMP3);
+                       M_SLDS(d, REG_ITMP3, OFFSET(java_shortarray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_IALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 2, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_ILD(d, REG_ITMP1, OFFSET(java_intarray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_ASLL_IMM(s2, 2, REG_ITMP3);
+                       M_AADD(REG_ITMP3, s1, REG_ITMP3);
+                       M_ILD(d, REG_ITMP3, OFFSET(java_intarray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_LALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 3, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_LLD(d, REG_ITMP1, OFFSET(java_longarray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_ASLL_IMM(s2, 3, REG_ITMP3);
+                       M_AADD(REG_ITMP3, s1, REG_ITMP3);
+                       M_LLD(d, REG_ITMP3, OFFSET(java_longarray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_FALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 2, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_FLD(d, REG_ITMP1, OFFSET(java_floatarray, data[0]));
-                       store_reg_to_var_flt(iptr->dst, d);
+                       M_ASLL_IMM(s2, 2, REG_ITMP3);
+                       M_AADD(REG_ITMP3, s1, REG_ITMP3);
+                       M_FLD(d, REG_ITMP3, OFFSET(java_floatarray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_DALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 3, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_DLD(d, REG_ITMP1, OFFSET(java_doublearray, data[0]));
-                       store_reg_to_var_flt(iptr->dst, d);
+                       M_ASLL_IMM(s2, 3, REG_ITMP3);
+                       M_AADD(REG_ITMP3, s1, REG_ITMP3);
+                       M_DLD(d, REG_ITMP3, OFFSET(java_doublearray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_AALOAD:     /* ..., arrayref, index  ==> ..., value         */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_ALD(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
-                       store_reg_to_var_int(iptr->dst, d);
+                       M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP3);
+                       M_AADD(REG_ITMP3, s1, REG_ITMP3);
+                       M_ALD(d, REG_ITMP3, OFFSET(java_objectarray, data[0]));
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
 
                case ICMD_BASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_int(s3, src, REG_ITMP3);
                        M_AADD(s2, s1, REG_ITMP1);
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
                        M_BST(s3, REG_ITMP1, OFFSET(java_bytearray, data[0]));
                        break;
 
                case ICMD_CASTORE:    /* ..., arrayref, index, value  ==> ...         */
                case ICMD_SASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_int(s3, src, REG_ITMP3);
                        M_AADD(s2, s1, REG_ITMP1);
                        M_AADD(s2, REG_ITMP1, REG_ITMP1);
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
                        M_SST(s3, REG_ITMP1, OFFSET(java_chararray, data[0]));
                        break;
 
                case ICMD_IASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_int(s3, src, REG_ITMP3);
                        M_ASLL_IMM(s2, 2, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_IST(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
+                       M_IST_INTERN(s3, REG_ITMP1, OFFSET(java_intarray, data[0]));
                        break;
 
                case ICMD_LASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_int(s3, src, REG_ITMP3);
                        M_ASLL_IMM(s2, 3, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_LST(s3, REG_ITMP1, OFFSET(java_longarray, data[0]));
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
+                       M_LST_INTERN(s3, REG_ITMP1, OFFSET(java_longarray, data[0]));
                        break;
 
                case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_flt(s3, src, REG_FTMP1);
                        M_ASLL_IMM(s2, 2, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_FST(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
+                       s3 = emit_load_s3(jd, iptr, src, REG_FTMP1);
+                       M_FST_INTERN(s3, REG_ITMP1, OFFSET(java_floatarray, data[0]));
                        break;
 
                case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_flt(s3, src, REG_FTMP1);
                        M_ASLL_IMM(s2, 3, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_DST(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
+                       s3 = emit_load_s3(jd, iptr, src, REG_FTMP1);
+                       M_DST_INTERN(s3, REG_ITMP1, OFFSET(java_doublearray, data[0]));
                        break;
 
 
                case ICMD_AASTORE:    /* ..., arrayref, index, value  ==> ...         */
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       var_to_reg_int(s3, src, REG_ITMP3);
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
 
                        M_MOV(s1, rd->argintregs[0]);
                        M_MOV(s3, rd->argintregs[1]);
@@ -1743,106 +1795,104 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_NOP;
 
                        M_BEQZ(REG_RESULT, 0);
-                       codegen_addxstorerefs(cd, mcodeptr);
+                       codegen_add_arraystoreexception_ref(cd);
                        M_NOP;
 
-                       var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src->prev, REG_ITMP2);
-                       var_to_reg_int(s3, src, REG_ITMP3);
+                       s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
                        M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_AST(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+                       s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
+                       M_AST_INTERN(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
                        break;
 
 
-               case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 2, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray, data[0]));
+                       M_AADD(s2, s1, REG_ITMP1);
+                       M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray, data[0]));
                        break;
 
-               case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, 3, REG_ITMP2);
-                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray, data[0]));
+                       M_AADD(s2, s1, REG_ITMP1);
+                       M_AADD(s2, REG_ITMP1, REG_ITMP1);
+                       M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray, data[0]));
                        break;
 
-               case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_IASTORECONST:   /* ..., arrayref, index  ==> ...            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
+                       M_ASLL_IMM(s2, 2, REG_ITMP2);
                        M_AADD(REG_ITMP2, s1, REG_ITMP1);
-                       M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+                       M_IST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_intarray, data[0]));
                        break;
 
-               case ICMD_BASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_LASTORECONST:   /* ..., arrayref, index  ==> ...            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_AADD(s2, s1, REG_ITMP1);
-                       M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray, data[0]));
+                       M_ASLL_IMM(s2, 3, REG_ITMP2);
+                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
+                       M_LST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_longarray, data[0]));
                        break;
 
-               case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
-               case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
+               case ICMD_AASTORECONST:   /* ..., arrayref, index  ==> ...            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        if (iptr->op1 == 0) {
                                gen_nullptr_check(s1);
                                gen_bound_check;
                        }
-                       M_AADD(s2, s1, REG_ITMP1);
-                       M_AADD(s2, REG_ITMP1, REG_ITMP1);
-                       M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray, data[0]));
+                       M_ASLL_IMM(s2, POINTERSHIFT, REG_ITMP2);
+                       M_AADD(REG_ITMP2, s1, REG_ITMP1);
+                       M_AST_INTERN(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray, data[0]));
                        break;
 
 
                case ICMD_GETSTATIC:  /* ...  ==> ..., value                          */
                                      /* op1 = type, val.a = field address            */
 
-                       if (!iptr->val.a) {
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                disp = dseg_addaddress(cd, NULL);
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putstatic,
-                                                                       (unresolved_field *) iptr->target, disp);
+                               codegen_addpatchref(cd, PATCHER_get_putstatic,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr), disp);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
                                }
 
                        } else {
-                               fieldinfo *fi = iptr->val.a;
+                               fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
 
                                disp = dseg_addaddress(cd, &(fi->value));
 
-                               if (!fi->class->initialized) {
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -1853,29 +1903,29 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_ALD(REG_ITMP1, REG_PV, disp);
                        switch (iptr->op1) {
                        case TYPE_INT:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_ILD_INTERN(d, REG_ITMP1, 0);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_LNG:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_LLD_INTERN(d, REG_ITMP1, 0);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_ADR:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_ALD_INTERN(d, REG_ITMP1, 0);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_FLT:
-                               d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                                M_FLD_INTERN(d, REG_ITMP1, 0);
-                               store_reg_to_var_flt(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_DBL:                          
-                               d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                                M_DLD_INTERN(d, REG_ITMP1, 0);
-                               store_reg_to_var_flt(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        }
                        break;
@@ -1883,25 +1933,23 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
                                      /* op1 = type, val.a = field address            */
 
-                       if (!iptr->val.a) {
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                disp = dseg_addaddress(cd, NULL);
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putstatic,
-                                                                       (unresolved_field *) iptr->target, disp);
+                               codegen_addpatchref(cd, PATCHER_get_putstatic,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr), disp);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
                                }
 
                        } else {
-                               fieldinfo *fi = iptr->val.a;
+                               fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
 
                                disp = dseg_addaddress(cd, &(fi->value));
 
-                               if (!fi->class->initialized) {
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -1912,24 +1960,24 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                        M_ALD(REG_ITMP1, REG_PV, disp);
                        switch (iptr->op1) {
                        case TYPE_INT:
-                               var_to_reg_int(s2, src, REG_ITMP2);
-                               M_IST_INTERN(s2, REG_ITMP1, 0);
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP2);
+                               M_IST_INTERN(s1, REG_ITMP1, 0);
                                break;
                        case TYPE_LNG:
-                               var_to_reg_int(s2, src, REG_ITMP2);
-                               M_LST_INTERN(s2, REG_ITMP1, 0);
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP2);
+                               M_LST_INTERN(s1, REG_ITMP1, 0);
                                break;
                        case TYPE_ADR:
-                               var_to_reg_int(s2, src, REG_ITMP2);
-                               M_AST_INTERN(s2, REG_ITMP1, 0);
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP2);
+                               M_AST_INTERN(s1, REG_ITMP1, 0);
                                break;
                        case TYPE_FLT:
-                               var_to_reg_flt(s2, src, REG_FTMP2);
-                               M_FST_INTERN(s2, REG_ITMP1, 0);
+                               s1 = emit_load_s1(jd, iptr, src, REG_FTMP2);
+                               M_FST_INTERN(s1, REG_ITMP1, 0);
                                break;
                        case TYPE_DBL:
-                               var_to_reg_flt(s2, src, REG_FTMP2);
-                               M_DST_INTERN(s2, REG_ITMP1, 0);
+                               s1 = emit_load_s1(jd, iptr, src, REG_FTMP2);
+                               M_DST_INTERN(s1, REG_ITMP1, 0);
                                break;
                        }
                        break;
@@ -1939,25 +1987,23 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                          /* op1 = type, val.a = field address (in    */
                                          /* following NOP)                           */
 
-                       if (!iptr[1].val.a) {
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr + 1)) {
                                disp = dseg_addaddress(cd, NULL);
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putstatic,
-                                                                       (unresolved_field *) iptr[1].target, disp);
+                               codegen_addpatchref(cd, PATCHER_get_putstatic,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr + 1), disp);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
                                }
 
                        } else {
-                               fieldinfo *fi = iptr[1].val.a;
+                               fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr + 1);
 
                                disp = dseg_addaddress(cd, &(fi->value));
 
-                               if (!fi->class->initialized) {
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -1989,13 +2035,12 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_GETFIELD:   /* ...  ==> ..., value                          */
                                      /* op1 = type, val.i = field offset             */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        gen_nullptr_check(s1);
 
-                       if (!iptr->val.a) {
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putfield,
-                                                                       (unresolved_field *) iptr->target, 0);
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+                               codegen_addpatchref(cd, PATCHER_get_putfield,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr), 0);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
@@ -2004,34 +2049,34 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                a = 0;
 
                        } else {
-                               a = ((fieldinfo *) (iptr->val.a))->offset;
+                               a = INSTRUCTION_RESOLVED_FIELDINFO(iptr)->offset;
                        }
 
                        switch (iptr->op1) {
                        case TYPE_INT:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_ILD(d, s1, a);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_LNG:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_LLD(d, s1, a);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_ADR:
-                               d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                                M_ALD(d, s1, a);
-                               store_reg_to_var_int(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_FLT:
-                               d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                                M_FLD(d, s1, a);
-                               store_reg_to_var_flt(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        case TYPE_DBL:                          
-                               d = reg_of_var(rd, iptr->dst, REG_FTMP1);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
                                M_DLD(d, s1, a);
-                               store_reg_to_var_flt(iptr->dst, d);
+                               emit_store(jd, iptr, iptr->dst, d);
                                break;
                        }
                        break;
@@ -2039,19 +2084,18 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_PUTFIELD:   /* ..., objectref, value  ==> ...               */
                                      /* op1 = type, val.a = field address            */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
                        gen_nullptr_check(s1);
 
                        if (!IS_FLT_DBL_TYPE(iptr->op1)) {
-                               var_to_reg_int(s2, src, REG_ITMP2);
+                               s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        } else {
-                               var_to_reg_flt(s2, src, REG_FTMP2);
+                               s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
                        }
 
-                       if (!iptr->val.a) {
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putfield,
-                                                                       (unresolved_field *) iptr->target, 0);
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+                               codegen_addpatchref(cd, PATCHER_get_putfield,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr), 0);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
@@ -2060,7 +2104,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                a = 0;
 
                        } else {
-                               a = ((fieldinfo *) (iptr->val.a))->offset;
+                               a = INSTRUCTION_RESOLVED_FIELDINFO(iptr)->offset;
                        }
 
                        switch (iptr->op1) {
@@ -2087,13 +2131,12 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                          /* op1 = type, val.a = field address (in    */
                                          /* following NOP)                           */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        gen_nullptr_check(s1);
 
-                       if (!iptr[1].val.a) {
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_get_putfield,
-                                                                       (unresolved_field *) iptr[1].target, 0);
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr + 1)) {
+                               codegen_addpatchref(cd, PATCHER_get_putfield,
+                                                                       INSTRUCTION_UNRESOLVED_FIELD(iptr + 1), 0);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
@@ -2102,7 +2145,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                a = 0;
 
                        } else {
-                               a = ((fieldinfo *) (iptr[1].val.a))->offset;
+                               a = INSTRUCTION_RESOLVED_FIELDINFO(iptr + 1)->offset;
                        }
 
                        switch (iptr[1].op1) {
@@ -2129,18 +2172,19 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
 
                case ICMD_ATHROW:       /* ..., objectref ==> ... (, objectref)       */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        M_INTMOVE(s1, REG_ITMP1_XPTR);
-
+                       
+#ifdef ENABLE_VERIFIER
                        if (iptr->val.a) {
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_athrow_areturn,
+                               codegen_addpatchref(cd, PATCHER_athrow_areturn,
                                                                        (unresolved_class *) iptr->val.a, 0);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
                                }
                        }
+#endif /* ENABLE_VERIFIER */
 
                        disp = dseg_addaddress(cd, asm_handle_exception);
                        M_ALD(REG_ITMP2, REG_PV, disp);
@@ -2154,7 +2198,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_GOTO:         /* ... ==> ...                                */
                                        /* op1 = target JavaVM pc                     */
                        M_BR(0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        ALIGNCODENOP;
                        break;
@@ -2183,39 +2227,39 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_IFNULL:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        M_BEQZ(s1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFNONNULL:    /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        M_BNEZ(s1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFEQ:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BEQZ(s1, 0);
                        } else {
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_BEQ(s1, REG_ITMP2, 0);
                        }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFLT:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BLTZ(s1, 0);
                        } else {
@@ -2227,14 +2271,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                }
                                M_BNEZ(REG_ITMP1, 0);
                        }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFLE:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BLEZ(s1, 0);
                                }
@@ -2249,14 +2293,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        M_BEQZ(REG_ITMP1, 0);
                                        }
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFNE:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BNEZ(s1, 0);
                                }
@@ -2264,14 +2308,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                ICONST(REG_ITMP2, iptr->val.i);
                                M_BNE(s1, REG_ITMP2, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFGT:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BGTZ(s1, 0);
                                }
@@ -2286,14 +2330,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        M_BNEZ(REG_ITMP1, 0);
                                        }
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IFGE:         /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.i = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.i == 0) {
                                M_BGEZ(s1, 0);
                                }
@@ -2307,14 +2351,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        }
                                M_BEQZ(REG_ITMP1, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LEQ:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BEQZ(s1, 0);
                                }
@@ -2322,14 +2366,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_BEQ(s1, REG_ITMP2, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LLT:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BLTZ(s1, 0);
                                }
@@ -2343,14 +2387,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        }
                                M_BNEZ(REG_ITMP1, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LLE:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BLEZ(s1, 0);
                                }
@@ -2365,14 +2409,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        M_BEQZ(REG_ITMP1, 0);
                                        }
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LNE:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BNEZ(s1, 0);
                                }
@@ -2380,14 +2424,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                LCONST(REG_ITMP2, iptr->val.l);
                                M_BNE(s1, REG_ITMP2, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LGT:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BGTZ(s1, 0);
                                }
@@ -2402,14 +2446,14 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        M_BNEZ(REG_ITMP1, 0);
                                        }
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_LGE:       /* ..., value ==> ...                         */
                                        /* op1 = target JavaVM pc, val.l = constant   */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (iptr->val.l == 0) {
                                M_BGEZ(s1, 0);
                                }
@@ -2423,7 +2467,7 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                                        }
                                M_BEQZ(REG_ITMP1, 0);
                                }
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
@@ -2431,10 +2475,10 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_IF_LCMPEQ:    /* op1 = target JavaVM pc                     */
                case ICMD_IF_ACMPEQ:
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_BEQ(s1, s2, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
@@ -2442,289 +2486,92 @@ bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
                case ICMD_IF_LCMPNE:    /* op1 = target JavaVM pc                     */
                case ICMD_IF_ACMPNE:
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_BNE(s1, s2, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_ICMPLT:    /* ..., value, value ==> ...                  */
                case ICMD_IF_LCMPLT:    /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_CMPLT(s1, s2, REG_ITMP1);
                        M_BNEZ(REG_ITMP1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_ICMPGT:    /* ..., value, value ==> ...                  */
                case ICMD_IF_LCMPGT:    /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_CMPGT(s1, s2, REG_ITMP1);
                        M_BNEZ(REG_ITMP1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_ICMPLE:    /* ..., value, value ==> ...                  */
                case ICMD_IF_LCMPLE:    /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_CMPGT(s1, s2, REG_ITMP1);
                        M_BEQZ(REG_ITMP1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
                case ICMD_IF_ICMPGE:    /* ..., value, value ==> ...                  */
                case ICMD_IF_LCMPGE:    /* op1 = target JavaVM pc                     */
 
-                       var_to_reg_int(s1, src->prev, REG_ITMP1);
-                       var_to_reg_int(s2, src, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
+                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
                        M_CMPLT(s1, s2, REG_ITMP1);
                        M_BEQZ(REG_ITMP1, 0);
-                       codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
+                       codegen_addreference(cd, (basicblock *) iptr->target);
                        M_NOP;
                        break;
 
-#ifdef CONDITIONAL_LOADCONST
-               /* (value xx 0) ? IFxx_ICONST : ELSE_ICONST                           */
 
-               case ICMD_ELSE_ICONST:  /* handled by IFxx_ICONST                     */
-                       break;
+               case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
+               case ICMD_LRETURN:
 
-               case ICMD_IFEQ_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
+                       s1 = emit_load_s1(jd, iptr, src, REG_RESULT);
+                       M_INTMOVE(s1, REG_RESULT);
+                       goto nowperformreturn;
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if (iptr[1].opc == ICMD_ELSE_ICONST) {
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPEQ(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPEQ(s1, REG_ZERO, d);
-                                       M_XOR_IMM(d, 1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
-                               }
-                               ICONST(d, iptr[1].val.i);
-                       }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVEQ_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVEQ(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
+               case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
 
-               case ICMD_IFNE_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
+                       s1 = emit_load_s1(jd, iptr, src, REG_RESULT);
+                       M_INTMOVE(s1, REG_RESULT);
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if (iptr[1].opc == ICMD_ELSE_ICONST) {
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPEQ(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPEQ(s1, REG_ZERO, d);
-                                       M_XOR_IMM(d, 1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
+#ifdef ENABLE_VERIFIER
+                       if (iptr->val.a) {
+                               codegen_addpatchref(cd, PATCHER_athrow_areturn,
+                                                                       (unresolved_class *) iptr->val.a, 0);
+
+                               if (opt_showdisassemble) {
+                                       M_NOP; M_NOP;
                                }
-                               ICONST(d, iptr[1].val.i);
                        }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVNE_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVNE(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
+#endif /* ENABLE_VERIFIER */
+                       goto nowperformreturn;
 
-               case ICMD_IFLT_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
+           case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if ((iptr[1].opc == ICMD_ELSE_ICONST)) {
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPLT(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPLE(REG_ZERO, s1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
-                               }
-                               ICONST(d, iptr[1].val.i);
-                       }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVLT_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVLT(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
+                       s1 = emit_load_s1(jd, iptr, src, REG_FRESULT);
+                       M_FLTMOVE(s1, REG_FRESULT);
+                       goto nowperformreturn;
 
-               case ICMD_IFGE_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
+           case ICMD_DRETURN:      /* ..., retvalue ==> ...                      */
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if ((iptr[1].opc == ICMD_ELSE_ICONST)) {
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPLE(REG_ZERO, s1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPLT(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
-                               }
-                               ICONST(d, iptr[1].val.i);
-                       }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVGE_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVGE(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
-
-               case ICMD_IFGT_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
-
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if ((iptr[1].opc == ICMD_ELSE_ICONST)) {
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPLT(REG_ZERO, s1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPLE(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
-                               }
-                               ICONST(d, iptr[1].val.i);
-                       }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVGT_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVGT(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
-
-               case ICMD_IFLE_ICONST:  /* ..., value ==> ..., constant               */
-                                       /* val.i = constant                           */
-
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
-                       s3 = iptr->val.i;
-                       if ((iptr[1].opc == ICMD_ELSE_ICONST)) {
-                               if ((s3 == 1) && (iptr[1].val.i == 0)) {
-                                       M_CMPLE(s1, REG_ZERO, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if ((s3 == 0) && (iptr[1].val.i == 1)) {
-                                       M_CMPLT(REG_ZERO, s1, d);
-                                       store_reg_to_var_int(iptr->dst, d);
-                                       break;
-                               }
-                               if (s1 == d) {
-                                       M_MOV(s1, REG_ITMP1);
-                                       s1 = REG_ITMP1;
-                               }
-                               ICONST(d, iptr[1].val.i);
-                       }
-                       if ((s3 >= 0) && (s3 <= 255)) {
-                               M_CMOVLE_IMM(s1, s3, d);
-                       } else {
-                               ICONST(REG_ITMP3, s3);
-                               M_CMOVLE(s1, REG_ITMP3, d);
-                       }
-                       store_reg_to_var_int(iptr->dst, d);
-                       break;
-#endif
-
-
-               case ICMD_IRETURN:      /* ..., retvalue ==> ...                      */
-               case ICMD_LRETURN:
-
-                       var_to_reg_int(s1, src, REG_RESULT);
-                       M_INTMOVE(s1, REG_RESULT);
-                       goto nowperformreturn;
-
-               case ICMD_ARETURN:      /* ..., retvalue ==> ...                      */
-
-                       var_to_reg_int(s1, src, REG_RESULT);
-                       M_INTMOVE(s1, REG_RESULT);
-
-                       if (iptr->val.a) {
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_athrow_areturn,
-                                                                       (unresolved_class *) iptr->val.a, 0);
-
-                               if (opt_showdisassemble) {
-                                       M_NOP; M_NOP;
-                               }
-                       }
-                       goto nowperformreturn;
-
-           case ICMD_FRETURN:      /* ..., retvalue ==> ...                      */
-           case ICMD_DRETURN:
-                       var_to_reg_flt(s1, src, REG_FRESULT);
-                       {
-                               int t = ((iptr->opc == ICMD_FRETURN) ? TYPE_FLT : TYPE_DBL);
-                               M_TFLTMOVE(t, s1, REG_FRESULT);
-                       }
+                       s1 = emit_load_s1(jd, iptr, src, REG_FRESULT);
+                       M_DBLMOVE(s1, REG_FRESULT);
                        goto nowperformreturn;
 
                case ICMD_RETURN:      /* ...  ==> ...                                */
@@ -2733,36 +2580,16 @@ nowperformreturn:
                        {
                        s4 i, p;
                        
-                       p = parentargs_base;
-                       
-                       /* call trace function */
-
-                       if (runverbose) {
-                               M_LDA(REG_SP, REG_SP, -3 * 8);
-                               M_LST(REG_RA, REG_SP, 0 * 8);
-                               M_LST(REG_RESULT, REG_SP, 1 * 8);
-                               M_DST(REG_FRESULT, REG_SP, 2 * 8);
-
-                               disp = dseg_addaddress(cd, m);
-                               M_ALD(rd->argintregs[0], REG_PV, disp);
-                               M_MOV(REG_RESULT, rd->argintregs[1]);
-                               M_FLTMOVE(REG_FRESULT, rd->argfltregs[2]);
-                               M_FMOV(REG_FRESULT, rd->argfltregs[3]);
-
-                               disp = dseg_addaddress(cd, (void *) builtin_displaymethodstop);
-                               M_ALD(REG_ITMP3, REG_PV, disp);
-                               M_JSR(REG_RA, REG_ITMP3);
-                               M_NOP;
+                       p = cd->stackframesize;
 
-                               M_DLD(REG_FRESULT, REG_SP, 2 * 8);
-                               M_LLD(REG_RESULT, REG_SP, 1 * 8);
-                               M_LLD(REG_RA, REG_SP, 0 * 8);
-                               M_LDA(REG_SP, REG_SP, 3 * 8);
-                       }
+#if !defined(NDEBUG)
+                       if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
+                               emit_verbosecall_exit(jd);
+#endif
 
-#if defined(USE_THREADS)
+#if defined(ENABLE_THREADS)
                        if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
-                               disp = dseg_addaddress(cd, (void *) builtin_monitorexit);
+                               disp = dseg_addaddress(cd, LOCK_monitor_exit);
                                M_ALD(REG_ITMP3, REG_PV, disp);
 
                                /* we need to save the proper return value */
@@ -2805,7 +2632,7 @@ nowperformreturn:
 
                        /* restore return address                                         */
 
-                       if (!m->isleafmethod) {
+                       if (!jd->isleafmethod) {
                                p--; M_ALD(REG_RA, REG_SP, p * 8);
                        }
 
@@ -2820,10 +2647,10 @@ nowperformreturn:
 
                        /* deallocate stack and return                                    */
 
-                       if (parentargs_base) {
+                       if (cd->stackframesize) {
                                s4 lo, hi;
 
-                               disp = parentargs_base * 8;
+                               disp = cd->stackframesize * 8;
                                lo = (short) (disp);
                                hi = (short) (((disp) - lo) >> 16);
 
@@ -2858,7 +2685,7 @@ nowperformreturn:
                        l = s4ptr[1];                          /* low     */
                        i = s4ptr[2];                          /* high    */
                        
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        if (l == 0)
                                {M_INTMOVE(s1, REG_ITMP1);}
                        else if (l <= 32768) {
@@ -2874,7 +2701,7 @@ nowperformreturn:
 
                        M_CMPULT_IMM(REG_ITMP1, i, REG_ITMP2);
                        M_BEQZ(REG_ITMP2, 0);
-                       codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr);
+                       codegen_addreference(cd, (basicblock *) tptr[0]);
                        M_ASLL_IMM(REG_ITMP1, POINTERSHIFT, REG_ITMP1);      /* delay slot*/
 
                        /* build jump table top down and use address of lowest entry */
@@ -2911,7 +2738,7 @@ nowperformreturn:
                        i = s4ptr[1];                          /* count    */
                        
                        MCODECHECK((i<<2)+8);
-                       var_to_reg_int(s1, src, REG_ITMP1);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                        while (--i >= 0) {
                                s4ptr += 2;
                                ++tptr;
@@ -2919,13 +2746,13 @@ nowperformreturn:
                                val = s4ptr[0];
                                ICONST(REG_ITMP2, val);
                                M_BEQ(s1, REG_ITMP2, 0);
-                               codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr); 
+                               codegen_addreference(cd, (basicblock *) tptr[0]); 
                                M_NOP;
-                               }
+                       }
 
                        M_BR(0);
                        tptr = (void **) iptr->target;
-                       codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr);
+                       codegen_addreference(cd, (basicblock *) tptr[0]);
                        M_NOP;
                        ALIGNCODENOP;
                        break;
@@ -2946,12 +2773,12 @@ nowperformreturn:
                case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer    */
                case ICMD_INVOKEINTERFACE:
 
-                       lm = iptr->val.a;
-
-                       if (lm == NULL) {
-                               unresolved_method *um = iptr->target;
-                               md = um->methodref->parseddesc.md;
-                       } else {
+                       if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+                               md = INSTRUCTION_UNRESOLVED_METHOD(iptr)->methodref->parseddesc.md;
+                               lm = NULL;
+                       }
+                       else {
+                               lm = INSTRUCTION_RESOLVED_METHODINFO(iptr);
                                md = lm->parseddesc;
                        }
 
@@ -2968,21 +2795,28 @@ gen_method:
                                if (IS_INT_LNG_TYPE(src->type)) {
                                        if (!md->params[s3].inmemory) {
                                                s1 = rd->argintregs[md->params[s3].regoff];
-                                               var_to_reg_int(d, src, s1);
+                                               d = emit_load_s1(jd, iptr, src, s1);
                                                M_INTMOVE(d, s1);
                                        } else  {
-                                               var_to_reg_int(d, src, REG_ITMP1);
+                                               d = emit_load_s1(jd, iptr, src, REG_ITMP1);
                                                M_LST(d, REG_SP, md->params[s3].regoff * 8);
                                        }
 
                                } else {
                                        if (!md->params[s3].inmemory) {
                                                s1 = rd->argfltregs[md->params[s3].regoff];
-                                               var_to_reg_flt(d, src, s1);
-                                               M_TFLTMOVE(src->type, d, s1);
+                                               d = emit_load_s1(jd, iptr, src, s1);
+                                               if (IS_2_WORD_TYPE(src->type))
+                                                       M_DMOV(d, s1);
+                                               else
+                                                       M_FMOV(d, s1);
+
                                        } else {
-                                               var_to_reg_flt(d, src, REG_FTMP1);
-                                               M_DST(d, REG_SP, md->params[s3].regoff * 8);
+                                               d = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                                               if (IS_2_WORD_TYPE(src->type))
+                                                       M_DST(d, REG_SP, md->params[s3].regoff * 8);
+                                               else
+                                                       M_FST(d, REG_SP, md->params[s3].regoff * 8);
                                        }
                                }
                        }
@@ -2995,32 +2829,32 @@ gen_method:
                                M_ALD(REG_ITMP3, REG_PV, disp);  /* built-in-function pointer */
                                M_JSR(REG_RA, REG_ITMP3);
                                M_NOP;
-                               disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
+                               disp = (s4) (cd->mcodeptr - cd->mcodebase);
                                M_LDA(REG_PV, REG_RA, -disp);
 
                                /* if op1 == true, we need to check for an exception */
 
                                if (iptr->op1 == true) {
                                        M_BEQZ(REG_RESULT, 0);
-                                       codegen_addxexceptionrefs(cd, mcodeptr);
+                                       codegen_add_fillinstacktrace_ref(cd);
                                        M_NOP;
                                }
                                break;
 
                        case ICMD_INVOKESPECIAL:
                                M_BEQZ(rd->argintregs[0], 0);
-                               codegen_addxnullrefs(cd, mcodeptr);
+                               codegen_add_nullpointerexception_ref(cd);
                                M_NOP;
                                /* fall through */
 
                        case ICMD_INVOKESTATIC:
                                if (lm == NULL) {
-                                       unresolved_method *um = iptr->target;
+                                       unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
 
                                        disp = dseg_addaddress(cd, NULL);
 
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_invokestatic_special, um, disp);
+                                       codegen_addpatchref(cd, PATCHER_invokestatic_special,
+                                                                               um, disp);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -3036,7 +2870,7 @@ gen_method:
                                M_ALD(REG_PV, REG_PV, disp);          /* method pointer in pv */
                                M_JSR(REG_RA, REG_PV);
                                M_NOP;
-                               disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
+                               disp = (s4) (cd->mcodeptr - cd->mcodebase);
                                M_LDA(REG_PV, REG_RA, -disp);
                                break;
 
@@ -3044,10 +2878,9 @@ gen_method:
                                gen_nullptr_check(rd->argintregs[0]);
 
                                if (lm == NULL) {
-                                       unresolved_method *um = iptr->target;
+                                       unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
 
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_invokevirtual, um, 0);
+                                       codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -3067,7 +2900,7 @@ gen_method:
                                M_ALD(REG_PV, REG_METHODPTR, s1);
                                M_JSR(REG_RA, REG_PV);
                                M_NOP;
-                               disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
+                               disp = (s4) (cd->mcodeptr - cd->mcodebase);
                                M_LDA(REG_PV, REG_RA, -disp);
                                break;
 
@@ -3075,10 +2908,9 @@ gen_method:
                                gen_nullptr_check(rd->argintregs[0]);
 
                                if (lm == NULL) {
-                                       unresolved_method *um = iptr->target;
+                                       unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
 
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_invokeinterface, um, 0);
+                                       codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
 
                                        if (opt_showdisassemble) {
                                                M_NOP; M_NOP;
@@ -3103,7 +2935,7 @@ gen_method:
                                M_ALD(REG_PV, REG_METHODPTR, s2);
                                M_JSR(REG_RA, REG_PV);
                                M_NOP;
-                               disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
+                               disp = (s4) (cd->mcodeptr - cd->mcodebase);
                                M_LDA(REG_PV, REG_RA, -disp);
                                break;
                        }
@@ -3112,14 +2944,16 @@ gen_method:
 
                        if (d != TYPE_VOID) {
                                if (IS_INT_LNG_TYPE(iptr->dst->type)) {
-                                       s1 = reg_of_var(rd, iptr->dst, REG_RESULT);
+                                       s1 = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_RESULT);
                                        M_INTMOVE(REG_RESULT, s1);
-                                       store_reg_to_var_int(iptr->dst, s1);
                                } else {
-                                       s1 = reg_of_var(rd, iptr->dst, REG_FRESULT);
-                                       M_TFLTMOVE(iptr->dst->type, REG_FRESULT, s1);
-                                       store_reg_to_var_flt(iptr->dst, s1);
+                                       s1 = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FRESULT);
+                                       if (IS_2_WORD_TYPE(iptr->dst->type))
+                                               M_DMOV(REG_FRESULT, s1);
+                                       else
+                                               M_FMOV(REG_FRESULT, s1);
                                }
+                               emit_store(jd, iptr, iptr->dst, s1);
                        }
                        break;
 
@@ -3148,43 +2982,42 @@ gen_method:
 
                                super = (classinfo *) iptr->val.a;
 
-                               if (!super) {
+                               if (super == NULL) {
                                        superindex = 0;
                                        supervftbl = NULL;
-
-                               else {
+                               }
+                               else {
                                        superindex = super->index;
                                        supervftbl = super->vftbl;
                                }
                        
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                               codegen_threadcritrestart(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                               codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
 #endif
 
-                               var_to_reg_int(s1, src, REG_ITMP1);
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
 
                                /* calculate interface checkcast code size */
 
                                s2 = 8;
-                               if (!super)
+                               if (super == NULL)
                                        s2 += (opt_showdisassemble ? 2 : 0);
 
                                /* calculate class checkcast code size */
 
                                s3 = 10 /* 10 + (s1 == REG_ITMP1) */;
-                               if (!super)
+                               if (super == NULL)
                                        s3 += (opt_showdisassemble ? 2 : 0);
 
                                /* if class is not resolved, check which code to call */
 
-                               if (!super) {
+                               if (super == NULL) {
                                        M_BEQZ(s1, 5 + (opt_showdisassemble ? 2 : 0) + s2 + 2 + s3);
                                        M_NOP;
 
                                        disp = dseg_adds4(cd, 0);                 /* super->flags */
 
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_checkcast_instanceof_flags,
+                                       codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
                                                                                (constant_classref *) iptr->target,
                                                                                disp);
 
@@ -3201,13 +3034,13 @@ gen_method:
 
                                /* interface checkcast code */
 
-                               if (!super || super->flags & ACC_INTERFACE) {
-                                       if (super) {
+                               if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+                                       if (super != NULL) {
                                                M_BEQZ(s1, 1 + s2);
                                                M_NOP;
-
-                                       else {
-                                               codegen_addpatchref(cd, mcodeptr,
+                                       }
+                                       else {
+                                               codegen_addpatchref(cd,
                                                                                        PATCHER_checkcast_instanceof_interface,
                                                                                        (constant_classref *) iptr->target,
                                                                                        0);
@@ -3221,16 +3054,16 @@ gen_method:
                                        M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
                                        M_IADD_IMM(REG_ITMP3, -superindex, REG_ITMP3);
                                        M_BLEZ(REG_ITMP3, 0);
-                                       codegen_addxcastrefs(cd, mcodeptr);
+                                       codegen_add_classcastexception_ref(cd, s1);
                                        M_NOP;
                                        M_ALD(REG_ITMP3, REG_ITMP2,
                                                  OFFSET(vftbl_t, interfacetable[0]) -
                                                  superindex * sizeof(methodptr*));
                                        M_BEQZ(REG_ITMP3, 0);
-                                       codegen_addxcastrefs(cd, mcodeptr);
+                                       codegen_add_classcastexception_ref(cd, s1);
                                        M_NOP;
 
-                                       if (!super) {
+                                       if (super == NULL) {
                                                M_BR(1 + s3);
                                                M_NOP;
                                        }
@@ -3238,15 +3071,15 @@ gen_method:
 
                                /* class checkcast code */
 
-                               if (!super || !(super->flags & ACC_INTERFACE)) {
+                               if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
                                        disp = dseg_addaddress(cd, (void *) supervftbl);
 
-                                       if (super) {
+                                       if (super != NULL) {
                                                M_BEQZ(s1, 1 + s3);
                                                M_NOP;
-
-                                       else {
-                                               codegen_addpatchref(cd, mcodeptr,
+                                       }
+                                       else {
+                                               codegen_addpatchref(cd,
                                                                                        PATCHER_checkcast_instanceof_class,
                                                                                        (constant_classref *) iptr->target,
                                                                                        disp);
@@ -3258,15 +3091,15 @@ gen_method:
 
                                        M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
                                        M_ALD(REG_ITMP3, REG_PV, disp);
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                                       codegen_threadcritstart(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                                       codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
 #endif
                                        M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
                                        /*                              if (s1 != REG_ITMP1) { */
                                        /*                                      M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
                                        /*                                      M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
-                                       /* #if defined(USE_THREADS) && defined(NATIVE_THREADS) */
-                                       /*                                      codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
+                                       /* #if defined(ENABLE_THREADS) */
+                                       /*                                      codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase); */
                                        /* #endif */
                                        /*                                      M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
                                        /*                              } else { */
@@ -3274,26 +3107,26 @@ gen_method:
                                        M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2); 
                                        M_ALD(REG_ITMP3, REG_PV, disp);
                                        M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                                       codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                                       codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
 #endif
                                        /*                              } */
                                        M_CMPULT(REG_ITMP3, REG_ITMP2, REG_ITMP3);
                                        M_BNEZ(REG_ITMP3, 0);
-                                       codegen_addxcastrefs(cd, mcodeptr);
+                                       codegen_add_classcastexception_ref(cd, s1);
                                        M_NOP;
                                }
-                               d = reg_of_var(rd, iptr->dst, s1);
 
-                       } else {
-                               var_to_reg_int(s1, src, rd->argintregs[0]);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, s1);
+                       }
+                       else {
+                               s1 = emit_load_s1(jd, iptr, src, rd->argintregs[0]);
                                M_INTMOVE(s1, rd->argintregs[0]);
 
                                disp = dseg_addaddress(cd, iptr->val.a);
 
                                if (iptr->val.a == NULL) {
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_builtin_arraycheckcast,
+                                       codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
                                                                                (constant_classref *) iptr->target,
                                                                                disp);
 
@@ -3308,15 +3141,16 @@ gen_method:
                                M_JSR(REG_RA, REG_ITMP3);
                                M_NOP;
 
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
                                M_BEQZ(REG_RESULT, 0);
-                               codegen_addxcastrefs(cd, mcodeptr);
+                               codegen_add_classcastexception_ref(cd, s1);
                                M_NOP;
 
-                               var_to_reg_int(s1, src, REG_ITMP1);
-                               d = reg_of_var(rd, iptr->dst, s1);
+                               d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, s1);
                        }
+
                        M_INTMOVE(s1, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult            */
@@ -3343,21 +3177,21 @@ gen_method:
 
                        super = (classinfo *) iptr->val.a;
 
-                       if (!super) {
+                       if (super == NULL) {
                                superindex = 0;
                                supervftbl = NULL;
-
-                       else {
+                       }
+                       else {
                                superindex = super->index;
                                supervftbl = super->vftbl;
                        }
                        
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                       codegen_threadcritrestart(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                       codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
 #endif
 
-                       var_to_reg_int(s1, src, REG_ITMP1);
-                       d = reg_of_var(rd, iptr->dst, REG_ITMP2);
+                       s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
                        if (s1 == d) {
                                M_MOV(s1, REG_ITMP1);
                                s1 = REG_ITMP1;
@@ -3366,27 +3200,26 @@ gen_method:
                        /* calculate interface instanceof code size */
 
                        s2 = 7;
-                       if (!super)
+                       if (super == NULL)
                                s2 += (opt_showdisassemble ? 2 : 0);
 
                        /* calculate class instanceof code size */
 
                        s3 = 8;
-                       if (!super)
+                       if (super == NULL)
                                s3 += (opt_showdisassemble ? 2 : 0);
 
                        M_CLR(d);
 
                        /* if class is not resolved, check which code to call */
 
-                       if (!super) {
+                       if (super == NULL) {
                                M_BEQZ(s1, 5 + (opt_showdisassemble ? 2 : 0) + s2 + 2 + s3);
                                M_NOP;
 
                                disp = dseg_adds4(cd, 0);                     /* super->flags */
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_checkcast_instanceof_flags,
+                               codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
                                                                        (constant_classref *) iptr->target, disp);
 
                                if (opt_showdisassemble) {
@@ -3402,13 +3235,13 @@ gen_method:
 
                        /* interface instanceof code */
 
-                       if (!super || (super->flags & ACC_INTERFACE)) {
-                               if (super) {
+                       if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+                               if (super != NULL) {
                                        M_BEQZ(s1, 1 + s2);
                                        M_NOP;
-
-                               else {
-                                       codegen_addpatchref(cd, mcodeptr,
+                               }
+                               else {
+                                       codegen_addpatchref(cd,
                                                                                PATCHER_checkcast_instanceof_interface,
                                                                                (constant_classref *) iptr->target, 0);
 
@@ -3427,7 +3260,7 @@ gen_method:
                                          superindex * sizeof(methodptr*));
                                M_CMPULT(REG_ZERO, REG_ITMP1, d);      /* REG_ITMP1 != 0  */
 
-                               if (!super) {
+                               if (super == NULL) {
                                        M_BR(1 + s3);
                                        M_NOP;
                                }
@@ -3435,16 +3268,15 @@ gen_method:
 
                        /* class instanceof code */
 
-                       if (!super || !(super->flags & ACC_INTERFACE)) {
+                       if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
                                disp = dseg_addaddress(cd, supervftbl);
 
-                               if (super) {
+                               if (super != NULL) {
                                        M_BEQZ(s1, 1 + s3);
                                        M_NOP;
-
-                               } else {
-                                       codegen_addpatchref(cd, mcodeptr,
-                                                                               PATCHER_checkcast_instanceof_class,
+                               }
+                               else {
+                                       codegen_addpatchref(cd, PATCHER_checkcast_instanceof_class,
                                                                                (constant_classref *) iptr->target,
                                                                                disp);
 
@@ -3455,25 +3287,25 @@ gen_method:
 
                                M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
                                M_ALD(REG_ITMP2, REG_PV, disp);
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                               codegen_threadcritstart(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                               codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
 #endif
                                M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
                                M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
                                M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                               codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase);
+#if defined(ENABLE_THREADS)
+                               codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
 #endif
                                M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1); 
                                M_CMPULT(REG_ITMP2, REG_ITMP1, d);
                                M_XOR_IMM(d, 1, d);
                        }
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        }
                        break;
 
                case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref  */
-                                     /* op1 = dimension, val.a = array descriptor    */
+                                     /* op1 = dimension, val.a = class               */
 
                        /* check for negative sizes and copy sizes to stack if necessary  */
 
@@ -3483,7 +3315,7 @@ gen_method:
                                /* copy SAVEDVAR sizes to stack */
 
                                if (src->varkind != ARGVAR) {
-                                       var_to_reg_int(s2, src, REG_ITMP1);
+                                       s2 = emit_load_s2(jd, iptr, src, REG_ITMP1);
                                        M_LST(s2, REG_SP, s1 * 8);
                                }
                        }
@@ -3494,12 +3326,11 @@ gen_method:
 
                        /* is patcher function set? */
 
-                       if (iptr->target) {
+                       if (iptr->val.a == NULL) {
                                disp = dseg_addaddress(cd, NULL);
 
-                               codegen_addpatchref(cd, mcodeptr,
-                                                                       PATCHER_builtin_multianewarray,
-                                                                       iptr->val.a, disp);
+                               codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
+                                                                       (constant_classref *) iptr->target, disp);
 
                                if (opt_showdisassemble) {
                                        M_NOP; M_NOP;
@@ -3525,12 +3356,12 @@ gen_method:
                        /* check for exception before result assignment */
 
                        M_BEQZ(REG_RESULT, 0);
-                       codegen_addxexceptionrefs(cd, mcodeptr);
+                       codegen_add_fillinstacktrace_ref(cd);
                        M_NOP;
 
-                       d = reg_of_var(rd, iptr->dst, REG_RESULT);
+                       d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_RESULT);
                        M_INTMOVE(REG_RESULT, d);
-                       store_reg_to_var_int(iptr->dst, d);
+                       emit_store(jd, iptr, iptr->dst, d);
                        break;
 
                default:
@@ -3545,7 +3376,7 @@ gen_method:
        src = bptr->outstack;
        len = bptr->outdepth;
        MCODECHECK(64+len);
-#ifdef LSRA
+#if defined(ENABLE_LSRA)
        if (!opt_lsra) 
 #endif
        while (src) {
@@ -3553,22 +3384,26 @@ gen_method:
                if ((src->varkind != STACKVAR)) {
                        s2 = src->type;
                        if (IS_FLT_DBL_TYPE(s2)) {
-                               var_to_reg_flt(s1, src, REG_FTMP1);
-                               if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
-                                       M_TFLTMOVE(s2, s1, rd->interfaces[len][s2].regoff);
+                               s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
+                               if (rd->interfaces[len][s2].flags & INMEMORY) {
+                                       if (IS_2_WORD_TYPE(s2))
+                                               M_DST(s1, REG_SP, rd->interfaces[len][s2].regoff * 8);
+                                       else
+                                               M_FST(s1, REG_SP, rd->interfaces[len][s2].regoff * 8);
 
                                } else {
-                                       M_DST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
+                                       if (IS_2_WORD_TYPE(s2))
+                                               M_DMOV(s1, rd->interfaces[len][s2].regoff);
+                                       else
+                                               M_FMOV(s1, rd->interfaces[len][s2].regoff);
                                }
 
                        } else {
-                               var_to_reg_int(s1, src, REG_ITMP1);
-                               if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
+                               s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
+                               if (rd->interfaces[len][s2].flags & INMEMORY)
+                                       M_LST(s1, REG_SP, rd->interfaces[len][s2].regoff * 8);
+                               else
                                        M_INTMOVE(s1, rd->interfaces[len][s2].regoff);
-
-                               } else {
-                                       M_LST(s1, REG_SP, 8 * rd->interfaces[len][s2].regoff);
-                               }
                        }
                }
                src = src->prev;
@@ -3579,439 +3414,23 @@ gen_method:
           actual instruction. So codepatching does not change the
           following block unintentionally. */
 
-       if ((u1 *) mcodeptr < cd->lastmcodeptr) {
-               while ((u1 *) mcodeptr < cd->lastmcodeptr) {
+       if (cd->mcodeptr < cd->lastmcodeptr) {
+               while (cd->mcodeptr < cd->lastmcodeptr)
                        M_NOP;
-               }
        }
 
        } /* if (bptr -> flags >= BBREACHED) */
        } /* for basic block */
 
-       codegen_createlinenumbertable(cd);
-
-       {
-       s4        *xcodeptr;
-       branchref *bref;
-
-       /* generate ArithmeticException stubs */
-
-       xcodeptr = NULL;
-       
-       for (bref = cd->xdivrefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);  /* delay */
-
-               } else {
-                       M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-
-                       if (m->isleafmethod)
-                               M_MOV(REG_RA, rd->argintregs[2]);
-                       else
-                               M_ALD(rd->argintregs[2],
-                                         REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-
-                       M_ASUB_IMM(REG_SP, 2 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       if (m->isleafmethod)
-                               M_AST(REG_RA, REG_SP, 1 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_arithmeticexception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       if (m->isleafmethod)
-                               M_ALD(REG_RA, REG_SP, 1 * 8);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 2 * 8, REG_SP);
-
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate ArrayIndexOutOfBoundsException stubs */
-
-       xcodeptr = NULL;
-
-       for (bref = cd->xboundrefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               /* move index register into REG_ITMP1 */
-
-               M_MOV(bref->reg, REG_ITMP1);
-               M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_NOP;
-
-               } else {
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-
-                       if (m->isleafmethod)
-                               M_MOV(REG_RA, rd->argintregs[2]);
-                       else
-                               M_ALD(rd->argintregs[2],
-                                         REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-                       M_MOV(REG_ITMP1, rd->argintregs[4]);
-
-                       M_ASUB_IMM(REG_SP, 2 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       if (m->isleafmethod)
-                               M_AST(REG_RA, REG_SP, 1 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_arrayindexoutofboundsexception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       if (m->isleafmethod)
-                               M_ALD(REG_RA, REG_SP, 1 * 8);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 2 * 8, REG_SP);
-
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate ArrayStoreException stubs */
-
-       xcodeptr = NULL;
-       
-       for (bref = cd->xstorerefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_NOP;
-
-               } else {
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-                       M_ALD(rd->argintregs[2],
-                                 REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-
-                       M_ASUB_IMM(REG_SP, 1 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_arraystoreexception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 1 * 8, REG_SP);
-
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate ClassCastException stubs */
-
-       xcodeptr = NULL;
-       
-       for (bref = cd->xcastrefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_NOP;
-
-               } else {
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-
-                       if (m->isleafmethod)
-                               M_MOV(REG_RA, rd->argintregs[2]);
-                       else
-                               M_ALD(rd->argintregs[2],
-                                         REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-
-                       M_ASUB_IMM(REG_SP, 2 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       if (m->isleafmethod)
-                               M_AST(REG_RA, REG_SP, 1 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_classcastexception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       if (m->isleafmethod)
-                               M_ALD(REG_RA, REG_SP, 1 * 8);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 2 * 8, REG_SP);
+       dseg_createlinenumbertable(cd);
 
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate NullPointerException stubs */
-
-       xcodeptr = NULL;
-
-       for (bref = cd->xnullrefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_NOP;
-
-               } else {
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-
-                       if (m->isleafmethod)
-                               M_MOV(REG_RA, rd->argintregs[2]);
-                       else
-                               M_ALD(rd->argintregs[2],
-                                         REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-
-                       M_ASUB_IMM(REG_SP, 2 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       if (m->isleafmethod)
-                               M_AST(REG_RA, REG_SP, 1 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_nullpointerexception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       if (m->isleafmethod)
-                               M_ALD(REG_RA, REG_SP, 1 * 8);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 2 * 8, REG_SP);
-
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate exception check stubs */
-
-       xcodeptr = NULL;
-
-       for (bref = cd->xexceptionrefs; bref != NULL; bref = bref->next) {
-               gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos, 
-                                 bref->branchpos,
-                                                 (u1 *) mcodeptr - cd->mcodebase);
-
-               MCODECHECK(100);
-
-               if (xcodeptr != NULL) {
-                       M_BR(xcodeptr - mcodeptr);
-                       M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);  /* delay */
-
-               } else {
-                       M_AADD_IMM(REG_PV, bref->branchpos - 4, REG_ITMP2_XPC);
-
-                       xcodeptr = mcodeptr;
-
-                       M_MOV(REG_PV, rd->argintregs[0]);
-                       M_MOV(REG_SP, rd->argintregs[1]);
-                       M_ALD(rd->argintregs[2],
-                                 REG_SP, parentargs_base * 8 - SIZEOF_VOID_P);
-                       M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
-
-                       M_ASUB_IMM(REG_SP, 1 * 8, REG_SP);
-                       M_AST(REG_ITMP2_XPC, REG_SP, 0 * 8);
-
-                       a = dseg_addaddress(cd, stacktrace_inline_fillInStackTrace);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JSR(REG_RA, REG_ITMP3);
-                       M_NOP;
-                       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
-                       M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8);
-                       M_AADD_IMM(REG_SP, 1 * 8, REG_SP);
-
-                       a = dseg_addaddress(cd, asm_handle_exception);
-                       M_ALD(REG_ITMP3, REG_PV, a);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-
-       /* generate patcher stub call code */
-
-       {
-               patchref *pref;
-               u8        mcode;
-               s4       *tmpmcodeptr;
-
-               for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
-                       /* check code segment size */
+       /* generate exception and patcher stubs */
 
-                       MCODECHECK(100);
+       emit_exception_stubs(jd);
+       emit_patcher_stubs(jd);
+       emit_replacement_stubs(jd);
 
-                       /* Get machine code which is patched back in later. The call is   */
-                       /* 2 instruction words long.                                      */
-
-                       xcodeptr = (s4 *) (cd->mcodebase + pref->branchpos);
-
-                       /* We need to split this, because an unaligned 8 byte read causes */
-                       /* a SIGSEGV.                                                     */
-
-                       mcode = ((u8) xcodeptr[1] << 32) + (u4) xcodeptr[0];
-
-                       /* patch in the call to call the following code (done at compile  */
-                       /* time)                                                          */
-
-                       tmpmcodeptr = mcodeptr;         /* save current mcodeptr          */
-                       mcodeptr = xcodeptr;            /* set mcodeptr to patch position */
-
-                       disp = (s4) (tmpmcodeptr - (xcodeptr + 1));
-
-                       if ((disp < (s4) 0xffff8000) || (disp > (s4) 0x00007fff)) {
-                               *exceptionptr =
-                                       new_internalerror("Jump offset is out of range: %d > +/-%d",
-                                                                         disp, 0x00007fff);
-                               return false;
-                       }
-
-                       M_BR(disp);
-                       M_NOP;
-
-                       mcodeptr = tmpmcodeptr;         /* restore the current mcodeptr   */
-
-                       /* create stack frame */
-
-                       M_ASUB_IMM(REG_SP, 6 * 8, REG_SP);
-
-                       /* calculate return address and move it onto the stack */
-
-                       M_LDA(REG_ITMP3, REG_PV, pref->branchpos);
-                       M_AST(REG_ITMP3, REG_SP, 5 * 8);
-
-                       /* move pointer to java_objectheader onto stack */
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                       /* create a virtual java_objectheader */
-
-                       (void) dseg_addaddress(cd, get_dummyLR());          /* monitorPtr */
-                       disp = dseg_addaddress(cd, NULL);                   /* vftbl      */
-
-                       M_LDA(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 4 * 8);
-#else
-                       /* do nothing */
-#endif
-
-                       /* move machine code onto stack */
-
-                       disp = dseg_adds8(cd, mcode);
-                       M_LLD(REG_ITMP3, REG_PV, disp);
-                       M_LST(REG_ITMP3, REG_SP, 3 * 8);
-
-                       /* move class/method/field reference onto stack */
-
-                       disp = dseg_addaddress(cd, pref->ref);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 2 * 8);
-
-                       /* move data segment displacement onto stack */
-
-                       disp = dseg_adds4(cd, pref->disp);
-                       M_ILD(REG_ITMP3, REG_PV, disp);
-                       M_IST(REG_ITMP3, REG_SP, 1 * 8);
-
-                       /* move patcher function pointer onto stack */
-
-                       disp = dseg_addaddress(cd, pref->patcher);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
-                       disp = dseg_addaddress(cd, asm_wrapper_patcher);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
-       }
-
-       codegen_finish(m, cd, (s4) ((u1 *) mcodeptr - cd->mcodebase));
-
-       docacheflush((void *) m->entrypoint, ((u1 *) mcodeptr - cd->mcodebase));
+       codegen_finish(jd);
 
        /* everything's ok */
 
@@ -4025,7 +3444,7 @@ gen_method:
        
 *******************************************************************************/
 
-#define COMPILERSTUB_DATASIZE    2 * SIZEOF_VOID_P
+#define COMPILERSTUB_DATASIZE    3 * SIZEOF_VOID_P
 #define COMPILERSTUB_CODESIZE    4 * 4
 
 #define COMPILERSTUB_SIZE        COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
@@ -4033,29 +3452,52 @@ gen_method:
 
 u1 *createcompilerstub(methodinfo *m)
 {
-       ptrint *s;                          /* memory to hold the stub            */
-       s4     *mcodeptr;                   /* code generation pointer            */
+       u1          *s;                     /* memory to hold the stub            */
+       ptrint      *d;
+       codeinfo    *code;
+       codegendata *cd;
+       s4           dumpsize;
+
+       s = CNEW(u1, COMPILERSTUB_SIZE);
+
+       /* set data pointer and code pointer */
+
+       d = (ptrint *) s;
+       s = s + COMPILERSTUB_DATASIZE;
+
+       /* mark start of dump memory area */
 
-       s = (ptrint *) CNEW(u1, COMPILERSTUB_SIZE);
+       dumpsize = dump_size();
 
-       s[0] = (ptrint) m;
-       s[1] = (ptrint) asm_call_jit_compiler;
+       cd = DNEW(codegendata);
+       cd->mcodeptr = s;
 
-       mcodeptr = (s4 *) (s + 2);
+       /* Store the codeinfo pointer in the same place as in the
+          methodheader for compiled methods. */
 
-       M_ALD(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P); /* method pointer           */
-       M_ALD(REG_PV, REG_PV, -1 * SIZEOF_VOID_P);    /* pointer to compiler      */
+       code = code_codeinfo_new(m);
+
+       d[0] = (ptrint) asm_call_jit_compiler;
+       d[1] = (ptrint) m;
+       d[2] = (ptrint) code;
+
+       M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);  /* codeinfo pointer */
+       M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);  /* pointer to compiler */
        M_JMP(REG_PV);
        M_NOP;
 
-       (void) docacheflush((void *) s, (char *) mcodeptr - (char *) s);
+       md_cacheflush(s, (s4) (cd->mcodeptr - (u1 *) d));
 
-#if defined(STATISTICS)
+#if defined(ENABLE_STATISTICS)
        if (opt_stat)
                count_cstub_len += COMPILERSTUB_SIZE;
 #endif
 
-       return (((u1 *) s) + COMPILERSTUB_DATASIZE);
+       /* release dump area */
+
+       dump_release(dumpsize);
+
+       return s;
 }
 
 
@@ -4065,28 +3507,34 @@ u1 *createcompilerstub(methodinfo *m)
 
 *******************************************************************************/
 
-u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
-                                        registerdata *rd, methoddesc *nmd)
+u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
 {
-       s4         *mcodeptr;               /* code generation pointer            */
-       s4          stackframesize;         /* size of stackframe if needed       */
-       methoddesc *md;
-       s4          nativeparams;
-       s4          i, j;                   /* count variables                    */
-       s4          t;
-       s4          s1, s2, disp;
-       s4          funcdisp;               /* displacement of the function       */
-
+       methodinfo   *m;
+       codeinfo     *code;
+       codegendata  *cd;
+       registerdata *rd;
+       methoddesc   *md;
+       s4            nativeparams;
+       s4            i, j;                 /* count variables                    */
+       s4            t;
+       s4            s1, s2, disp;
+       s4            funcdisp;             /* displacement of the function       */
+
+       /* get required compiler data */
+
+       m    = jd->m;
+       code = jd->code;
+       cd   = jd->cd;
+       rd   = jd->rd;
 
        /* initialize variables */
 
        md = m->parseddesc;
        nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
 
-
        /* calculate stack frame size */
 
-       stackframesize =
+       cd->stackframesize =
                1 +                             /* return address                     */
                sizeof(stackframeinfo) / SIZEOF_VOID_P +
                sizeof(localref_table) / SIZEOF_VOID_P +
@@ -4094,96 +3542,37 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
                1 +                             /* for saving return address          */
                nmd->memuse;
 
-
        /* create method header */
 
 #if SIZEOF_VOID_P == 4
-       (void) dseg_addaddress(cd, m);                          /* MethodPointer  */
+       (void) dseg_addaddress(cd, code);                      /* CodeinfoPointer */
 #endif
-       (void) dseg_addaddress(cd, m);                          /* MethodPointer  */
-       (void) dseg_adds4(cd, stackframesize * 8);              /* FrameSize      */
-       (void) dseg_adds4(cd, 0);                               /* IsSync         */
-       (void) dseg_adds4(cd, 0);                               /* IsLeaf         */
-       (void) dseg_adds4(cd, 0);                               /* IntSave        */
-       (void) dseg_adds4(cd, 0);                               /* FltSave        */
+       (void) dseg_addaddress(cd, code);                      /* MethodPointer   */
+       (void) dseg_adds4(cd, cd->stackframesize * 8);         /* FrameSize       */
+       (void) dseg_adds4(cd, 0);                              /* IsSync          */
+       (void) dseg_adds4(cd, 0);                              /* IsLeaf          */
+       (void) dseg_adds4(cd, 0);                              /* IntSave         */
+       (void) dseg_adds4(cd, 0);                              /* FltSave         */
        (void) dseg_addlinenumbertablesize(cd);
-       (void) dseg_adds4(cd, 0);                               /* ExTableSize    */
-
-
-       /* initialize mcode variables */
-       
-       mcodeptr = (s4 *) cd->mcodebase;
-       cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize);
-
+       (void) dseg_adds4(cd, 0);                              /* ExTableSize     */
 
        /* generate stub code */
 
-       M_LDA(REG_SP, REG_SP, -stackframesize * 8); /* build up stackframe        */
-       M_AST(REG_RA, REG_SP, stackframesize * 8 - SIZEOF_VOID_P); /* store ra    */
-
-
-       /* call trace function */
-
-       if (runverbose) {
-               M_LDA(REG_SP, REG_SP, -(1 + INT_ARG_CNT + FLT_ARG_CNT) * 8);
-
-               /* save integer argument registers */
-
-               for (i = 0; i < md->paramcount && i < INT_ARG_CNT; i++)
-                       if (IS_INT_LNG_TYPE(md->paramtypes[i].type))
-                               M_LST(rd->argintregs[i], REG_SP, (1 + i) * 8);
-
-               /* save and copy float arguments into integer registers */
-
-               for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
-                       t = md->paramtypes[i].type;
-
-                       if (IS_FLT_DBL_TYPE(t)) {
-                               if (IS_2_WORD_TYPE(t)) {
-                                       M_DST(rd->argfltregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                                       M_LLD(rd->argintregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                               } else {
-                                       M_FST(rd->argfltregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                                       M_ILD(rd->argintregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                               }
-                       }
-               }
-
-               disp = dseg_addaddress(cd, m);
-               M_ALD(REG_ITMP1, REG_PV, disp);
-               M_AST(REG_ITMP1, REG_SP, 0 * 8);
-               disp = dseg_addaddress(cd, builtin_trace_args);
-               M_ALD(REG_ITMP3, REG_PV, disp);
-               M_JSR(REG_RA, REG_ITMP3);
-               M_NOP;
-
-               for (i = 0; i < md->paramcount && i < INT_ARG_CNT; i++)
-                       if (IS_INT_LNG_TYPE(md->paramtypes[i].type))
-                               M_LLD(rd->argintregs[i], REG_SP, (1 + i) * 8);
-
-               for (i = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
-                       t = md->paramtypes[i].type;
-
-                       if (IS_FLT_DBL_TYPE(t)) {
-                               if (IS_2_WORD_TYPE(t)) {
-                                       M_DLD(rd->argfltregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                               } else {
-                                       M_FLD(rd->argfltregs[i], REG_SP, (1 + INT_ARG_CNT + i) * 8);
-                               }
-                       }
-               }
-
-               M_LDA(REG_SP, REG_SP, (1 + INT_ARG_CNT + FLT_ARG_CNT) * 8);
-       }
+       M_LDA(REG_SP, REG_SP, -cd->stackframesize * 8); /* build up stackframe    */
+       M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P); /* store RA*/
 
+#if !defined(NDEBUG)
+       if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
+               emit_verbosecall_enter(jd);
+#endif
 
        /* get function address (this must happen before the stackframeinfo) */
 
        funcdisp = dseg_addaddress(cd, f);
 
-#if !defined(ENABLE_STATICVM)
+#if !defined(WITH_STATIC_CLASSPATH)
        if (f == NULL) {
-               codegen_addpatchref(cd, mcodeptr, PATCHER_resolve_native, m, funcdisp);
+               codegen_addpatchref(cd, PATCHER_resolve_native, m, funcdisp);
 
                if (opt_showdisassemble) {
                        M_NOP; M_NOP;
@@ -4209,10 +3598,10 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
 
        /* prepare data structures for native function call */
 
-       M_AADD_IMM(REG_SP, stackframesize * 8 - SIZEOF_VOID_P, rd->argintregs[0]);
+       M_AADD_IMM(REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P, rd->argintregs[0]);
        M_MOV(REG_PV, rd->argintregs[1]);
-       M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[2]);
-       M_ALD(rd->argintregs[3], REG_SP, stackframesize * 8 - SIZEOF_VOID_P);
+       M_AADD_IMM(REG_SP, cd->stackframesize * 8, rd->argintregs[2]);
+       M_ALD(rd->argintregs[3], REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
        disp = dseg_addaddress(cd, codegen_start_native_call);
        M_ALD(REG_ITMP3, REG_PV, disp);
        M_JSR(REG_RA, REG_ITMP3);
@@ -4252,7 +3641,7 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
                                }
 
                        } else {
-                               s1 = md->params[i].regoff + stackframesize;
+                               s1 = md->params[i].regoff + cd->stackframesize;
                                s2 = nmd->params[j].regoff;
                                M_ALD(REG_ITMP1, REG_SP, s1 * 8);
                                M_AST(REG_ITMP1, REG_SP, s2 * 8);
@@ -4264,7 +3653,11 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
 
                                if (!nmd->params[j].inmemory) {
                                        s2 = rd->argfltregs[nmd->params[j].regoff];
-                                       M_TFLTMOVE(t, s1, s2);
+                                       if (IS_2_WORD_TYPE(t))
+                                               M_DMOV(s1, s2);
+                                       else
+                                               M_FMOV(s1, s2);
+
                                } else {
                                        s2 = nmd->params[j].regoff;
                                        if (IS_2_WORD_TYPE(t))
@@ -4274,13 +3667,15 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
                                }
 
                        } else {
-                               s1 = md->params[i].regoff + stackframesize;
+                               s1 = md->params[i].regoff + cd->stackframesize;
                                s2 = nmd->params[j].regoff;
-                               M_DLD(REG_FTMP1, REG_SP, s1 * 8);
-                               if (IS_2_WORD_TYPE(t))
+                               if (IS_2_WORD_TYPE(t)) {
+                                       M_DLD(REG_FTMP1, REG_SP, s1 * 8);
                                        M_DST(REG_FTMP1, REG_SP, s2 * 8);
-                               else
+                               } else {
+                                       M_FLD(REG_FTMP1, REG_SP, s1 * 8);
                                        M_FST(REG_FTMP1, REG_SP, s2 * 8);
+                               }
                        }
                }
        }
@@ -4294,7 +3689,7 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
 
        /* put env into first argument register */
 
-       disp = dseg_addaddress(cd, &env);
+       disp = dseg_addaddress(cd, _Jv_env);
        M_ALD(rd->argintregs[0], REG_PV, disp);
 
        /* do the native function call */
@@ -4305,168 +3700,60 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
 
        /* save return value */
 
-       if (IS_INT_LNG_TYPE(md->returntype.type))
-               M_LST(REG_RESULT, REG_SP, 0 * 8);
-       else
-               M_DST(REG_FRESULT, REG_SP, 0 * 8);
+       if (md->returntype.type != TYPE_VOID) {
+               if (IS_INT_LNG_TYPE(md->returntype.type))
+                       M_LST(REG_RESULT, REG_SP, 0 * 8);
+               else
+                       M_DST(REG_FRESULT, REG_SP, 0 * 8);
+       }
+
+#if !defined(NDEBUG)
+       if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
+               emit_verbosecall_exit(jd);
+#endif
 
        /* remove native stackframe info */
 
-       M_AADD_IMM(REG_SP, stackframesize * 8 - SIZEOF_VOID_P, rd->argintregs[0]);
+       M_AADD_IMM(REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P, rd->argintregs[0]);
        disp = dseg_addaddress(cd, codegen_finish_native_call);
        M_ALD(REG_ITMP3, REG_PV, disp);
        M_JSR(REG_RA, REG_ITMP3);
        M_NOP; /* XXX fill me! */
+       M_MOV(REG_RESULT, REG_ITMP1_XPTR);
 
-       /* call finished trace function */
+       /* restore return value */
 
-       if (runverbose) {
+       if (md->returntype.type != TYPE_VOID) {
                if (IS_INT_LNG_TYPE(md->returntype.type))
                        M_LLD(REG_RESULT, REG_SP, 0 * 8);
                else
                        M_DLD(REG_FRESULT, REG_SP, 0 * 8);
-
-               disp = dseg_addaddress(cd, m);
-               M_ALD(rd->argintregs[0], REG_PV, disp);
-
-               M_MOV(REG_RESULT, rd->argintregs[1]);
-               M_DMFC1(REG_ITMP1, REG_FRESULT);
-               M_DMTC1(REG_ITMP1, rd->argfltregs[2]);
-               M_DMTC1(REG_ITMP1, rd->argfltregs[3]);
-
-               disp = dseg_addaddress(cd, builtin_displaymethodstop);
-               M_ALD(REG_ITMP3, REG_PV, disp);
-               M_JSR(REG_RA, REG_ITMP3);
-               M_NOP;
        }
 
-       /* check for exception */
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-       disp = dseg_addaddress(cd, builtin_get_exceptionptrptr);
-       M_ALD(REG_ITMP3, REG_PV, disp);
-       M_JSR(REG_RA, REG_ITMP3);
-       M_NOP;
-       M_MOV(REG_RESULT, REG_ITMP3);
-#else
-       disp = dseg_addaddress(cd, &_exceptionptr);
-       M_ALD(REG_ITMP3, REG_PV, disp);     /* get address of exceptionptr        */
-#endif
-       M_ALD(REG_ITMP1, REG_ITMP3, 0);     /* load exception into reg. itmp1     */
-
-       M_ALD(REG_RA, REG_SP, stackframesize * 8 - SIZEOF_VOID_P); /* load ra     */
-
-       /* restore return value */
+       M_ALD(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P); /* load RA */
 
-       if (IS_INT_LNG_TYPE(md->returntype.type))
-               M_LLD(REG_RESULT, REG_SP, 0 * 8);
-       else
-               M_DLD(REG_FRESULT, REG_SP, 0 * 8);
+       /* check for exception */
 
-       M_BNEZ(REG_ITMP1, 2);               /* if no exception then return        */
-       M_LDA(REG_SP, REG_SP, stackframesize * 8);/* remove stackframe, DELAY SLOT*/
+       M_BNEZ(REG_ITMP1_XPTR, 2);          /* if no exception then return        */
+       M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* DELAY SLOT              */
 
        M_RET(REG_RA);                      /* return to caller                   */
        M_NOP;                              /* DELAY SLOT                         */
 
        /* handle exception */
        
-       M_AST(REG_ZERO, REG_ITMP3, 0);      /* store NULL into exceptionptr       */
-
        disp = dseg_addaddress(cd, asm_handle_nat_exception);
        M_ALD(REG_ITMP3, REG_PV, disp);     /* load asm exception handler address */
        M_JMP(REG_ITMP3);                   /* jump to asm exception handler      */
-       M_LDA(REG_ITMP2, REG_RA, -4);       /* move fault address into reg. itmp2 */
-                                           /* DELAY SLOT                         */
-
-       /* generate static stub call code                                         */
-
-       {
-               patchref *pref;
-               s4       *xcodeptr;
-               s8        mcode;
-               s4       *tmpmcodeptr;
-
-               for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
-                       /* Get machine code which is patched back in later. The call is   */
-                       /* 2 instruction words long.                                      */
-
-                       xcodeptr = (s4 *) (cd->mcodebase + pref->branchpos);
-
-                       /* We need to split this, because an unaligned 8 byte read causes */
-                       /* a SIGSEGV.                                                     */
-
-                       mcode = ((u8) xcodeptr[1] << 32) + (u4) xcodeptr[0];
-
-                       /* patch in the call to call the following code (done at compile  */
-                       /* time)                                                          */
-
-                       tmpmcodeptr = mcodeptr;         /* save current mcodeptr          */
-                       mcodeptr = xcodeptr;            /* set mcodeptr to patch position */
-
-                       M_BRS(tmpmcodeptr - (xcodeptr + 1));
-                       M_NOP;                          /* branch delay slot              */
-
-                       mcodeptr = tmpmcodeptr;         /* restore the current mcodeptr   */
+       M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address (DELAY)    */
 
-                       /* create stack frame                                             */
-
-                       M_LSUB_IMM(REG_SP, 6 * 8, REG_SP);
-
-                       /* move return address onto stack */
-
-                       M_AST(REG_RA, REG_SP, 5 * 8);
-
-                       /* move pointer to java_objectheader onto stack */
-
-#if defined(USE_THREADS) && defined(NATIVE_THREADS)
-                       /* order reversed because of data segment layout */
-
-                       (void) dseg_addaddress(cd, get_dummyLR());          /* monitorPtr */
-                       disp = dseg_addaddress(cd, NULL);                   /* vftbl      */
-
-                       M_LDA(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 4 * 8);
-#else
-                       M_AST(REG_ZERO, REG_SP, 4 * 8);
-#endif
-
-                       /* move machine code onto stack */
-
-                       disp = dseg_adds8(cd, mcode);
-                       M_LLD(REG_ITMP3, REG_PV, disp);
-                       M_LST(REG_ITMP3, REG_SP, 3 * 8);
-
-                       /* move class/method/field reference onto stack */
-
-                       disp = dseg_addaddress(cd, pref->ref);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 2 * 8);
-
-                       /* move data segment displacement onto stack */
-
-                       disp = dseg_adds4(cd, pref->disp);
-                       M_ILD(REG_ITMP3, REG_PV, disp);
-                       M_IST(REG_ITMP3, REG_SP, 1 * 8);
-
-                       /* move patcher function pointer onto stack */
-
-                       disp = dseg_addaddress(cd, pref->patcher);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
-                       disp = dseg_addaddress(cd, asm_wrapper_patcher);
-                       M_ALD(REG_ITMP3, REG_PV, disp);
-                       M_JMP(REG_ITMP3);
-                       M_NOP;
-               }
-       }
+       /* generate patcher stubs */
 
-       codegen_finish(m, cd, (s4) ((u1 *) mcodeptr - cd->mcodebase));
+       emit_patcher_stubs(jd);
 
-       docacheflush((void *) m->entrypoint, ((u1 *) mcodeptr - cd->mcodebase));
+       codegen_finish(jd);
 
-       return m->entrypoint;
+       return code->entrypoint;
 }
 
 
@@ -4481,4 +3768,5 @@ u1 *createnativestub(functionptr f, methodinfo *m, codegendata *cd,
  * c-basic-offset: 4
  * tab-width: 4
  * End:
+ * vim:noexpandtab:sw=4:ts=4:
  */