-void codegen(void) {}
-void createnativestub(void) {}
-void createcompilerstub(void) {}
+/* src/vm/jit/m68k/codegen.c
+
+ Copyright (C) 1996-2005, 2006, 2007 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.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ $Id: codegen.c 7564 2007-03-23 23:36:17Z twisti $
+*/
+
+
+#include "config.h"
+
+#include <assert.h>
+
+#include "md-abi.h"
+
+#include "vm/types.h"
+#include "vm/jit/m68k/codegen.h"
+#include "vm/jit/m68k/emit.h"
+
+#include "mm/memory.h"
+#include "native/jni.h"
+#include "native/native.h"
+
+#if defined(ENABLE_THREADS)
+# include "threads/native/lock.h"
+#endif
+
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
+#include "vm/global.h"
+#include "vm/stringlocal.h"
+#include "vm/vm.h"
+
+#include "vm/jit/asmpart.h"
+#include "vm/jit/codegen-common.h"
+#include "vm/jit/dseg.h"
+#include "vm/jit/emit-common.h"
+#include "vm/jit/jit.h"
+#include "vm/jit/parse.h"
+#include "vm/jit/patcher.h"
+#include "vm/jit/reg.h"
+#include "vm/jit/replace.h"
+#include "vm/jit/stacktrace.h"
+#include "vm/jit/md.h"
+
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
+#include "vmcore/utf8.h"
+
+
+bool codegen_emit(jitdata *jd)
+{
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ registerdata *rd;
+ s4 len, s1, s2, s3, d, disp;
+ ptrint a;
+ varinfo *var;
+ basicblock *bptr;
+ instruction *iptr;
+ exception_entry *ex;
+ u2 currentline;
+ methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
+ unresolved_method *um;
+ builtintable_entry *bte;
+ methoddesc *md;
+ s4 fieldtype;
+ s4 varindex;
+ unresolved_field *uf;
+ fieldinfo *fi;
+
+ /* get required compiler data */
+
+ m = jd->m;
+ code = jd->code;
+ cd = jd->cd;
+ rd = jd->rd;
+
+ /* prevent compiler warnings */
+
+ d = 0;
+ lm = NULL;
+ bte = NULL;
+
+ {
+ s4 i, p, t, l;
+ /* save calle saved registers */
+ s4 savedregs_num = 0;
+
+ savedregs_num += (INT_SAV_CNT - rd->savintreguse);
+ savedregs_num += (ADR_SAV_CNT - rd->savadrreguse);
+ savedregs_num += (FLT_SAV_CNT - rd->savfltreguse) * 2;
+
+ cd->stackframesize = rd->memuse + savedregs_num;
+#if defined(ENABLE_THREADS)
+ assert(0);
+#endif
+
+ /* create method header */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize */
+#if defined(ENABLE_THREADS)
+ if (checksync && (m->flags & ACC_SYNCHRONIZED))
+ (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 4);/* IsSync */
+ else
+#endif
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
+ (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
+
+ dseg_addlinenumbertablesize(cd);
+
+ (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
+
+ /* create exception table */
+ for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
+ dseg_add_target(cd, ex->start);
+ dseg_add_target(cd, ex->end);
+ dseg_add_target(cd, ex->handler);
+ (void) dseg_add_unique_address(cd, ex->catchtype.any);
+ }
+
+#if defined(ENABLE_PROFILING)
+ assert(0);
+#endif
+
+#if !defined(NDEBUG)
+ emit_verbosecall_enter(jd);
+#endif
+ /* create stack frame */
+ M_AADD_IMM(-(cd->stackframesize*4), REG_SP);
+
+ /* save used callee saved registers */
+ p = cd->stackframesize;
+ for (i=INT_SAV_CNT-1; i>=rd->savintreguse; --i) {
+ p--; M_IST(rd->savintregs[i], REG_SP, p*4);
+ }
+ for (i=ADR_SAV_CNT-1; i>=rd->savadrreguse; --i) {
+ p--; M_AST(rd->savadrregs[i], REG_SP, p*4);
+ }
+#if !defined(ENABLE_SOFTFLOAT)
+ for (i=FLT_SAV_CNT-1; i>=rd->savfltreguse; --i) {
+ p-=2; M_FST(rd->savfltregs[i], REG_SP, p*4); /* FIXME */
+ }
+#else
+ assert(FLT_SAV_CNT == 0);
+ assert(rd->savfltreguse == 0);
+#endif
+ /* take arguments out of stack frame */
+ md = m->parseddesc;
+ for (p = 0, l = 0; p < md->paramcount; p++) {
+ t = md->paramtypes[p].type;
+ varindex = jd->local_map[l * 5 + t];
+
+ l++;
+ if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
+ l++;
+
+ if (varindex == UNUSED)
+ continue;
+
+ var = VAR(varindex);
+
+ s1 = md->params[p].regoff;
+ assert(md->params[p].inmemory); /* all args are on stack */
+
+ switch (t) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ case TYPE_INT:
+ if (!IS_INMEMORY(var->flags)) { /* stack arg -> register */
+ if (IS_2_WORD_TYPE(t)) {
+ M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ } else {
+ M_ILD(var->vv.regoff, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ }
+ } else { /* stack arg -> spilled */
+#if 1
+ M_ILD(REG_ITMP1, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4);
+ if (IS_2_WORD_TYPE(t)) {
+ M_ILD(REG_ITMP1, REG_SP, (cd->stackframesize + s1 + 1) * 4 + 4);
+ M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4 + 4);
+ }
+#else
+ /* Reuse Memory Position on Caller Stack */
+ var->vv.regoff = cd->stackframesize + s1;
+#endif
+ }
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL:
+ if (!IS_INMEMORY(var->flags)) { /* stack-arg -> register */
+ if (IS_2_WORD_TYPE(t)) {
+ M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ } else {
+ M_FLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ }
+ } else { /* stack-arg -> spilled */
+#if 1
+ if (IS_2_WORD_TYPE(t)) {
+ M_DLD(REG_FTMP1, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ M_DST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
+ } else {
+ M_FLD(REG_FTMP1, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ M_FST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
+ }
+#else
+ /* Reuse Memory Position on Caller Stack */
+ var->vv.regoff = cd->stackframesize + s1;
+#endif
+ }
+ break;
+#endif /* SOFTFLOAT */
+ case TYPE_ADR:
+ if (!IS_INMEMORY(var->flags)) { /* stack-arg -> register */
+ M_ALD(var->vv.regoff, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ } else { /* stack-arg -> spilled */
+#if 1
+ M_ALD(REG_ATMP1, REG_SP, (cd->stackframesize + s1 + 1) * 4);
+ M_AST(REG_ATMP1, REG_SP, var->vv.regoff * 4);
+#else
+ /* Reuse Memory Position on Caller Stack */
+ var->vv.regoff = cd->stackframesize + s1;
+#endif
+ }
+ break;
+ default: assert(0);
+ }
+ } /* end for argument out of stack*/
+ }
+
+
+
+ /* create replacement points */
+ REPLACEMENT_POINTS_INIT(cd, jd);
+
+ /* foreach basic block */
+ for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
+
+ bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
+
+ if (bptr->flags >= BBREACHED) {
+
+ /* branch resolving */
+ codegen_resolve_branchrefs(cd, bptr);
+
+ /* FIXME there are still some constrcuts to copy in here */
+
+ /* walk through all instructions */
+ len = bptr->icount;
+ currentline = 0;
+
+ for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
+ if (iptr->line != currentline) {
+ dseg_addlinenumber(cd, iptr->line);
+ currentline = iptr->line;
+ }
+
+ MCODECHECK(1024); /* 1kB should be enough */
+
+ switch (iptr->opc) {
+ case ICMD_NOP: /* ... ==> ... */
+ case ICMD_POP: /* ..., value ==> ... */
+ case ICMD_POP2: /* ..., value, value ==> ... */
+ break;
+
+ case ICMD_INLINE_START:
+
+ REPLACEMENT_POINT_INLINE_START(cd, iptr);
+ break;
+
+ case ICMD_INLINE_BODY:
+
+ REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
+ dseg_addlinenumber_inline_start(cd, iptr);
+ dseg_addlinenumber(cd, iptr->line);
+ break;
+
+ case ICMD_INLINE_END:
+
+ dseg_addlinenumber_inline_end(cd, iptr);
+ dseg_addlinenumber(cd, iptr->line);
+ break;
+
+ case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ assert(VAROP(iptr->s1)->type == TYPE_ADR);
+ emit_nullpointer_check(cd, iptr, s1);
+ break;
+
+
+ /* CONST **************************************************************/
+ case ICMD_ICONST: /* ... ==> ..., constant */
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_IMOV_IMM(iptr->sx.val.i, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_LCONST: /* ... ==> ..., constant */
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ LCONST(iptr->sx.val.l, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_FCONST: /* ... ==> ..., constant */
+
+#if defined(ENABLE_SOFTFLOAT)
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_IMOV_IMM(iptr->sx.val.i, d);
+ emit_store_dst(jd, iptr, d);
+#else
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ FCONST(iptr->sx.val.f, d);
+ emit_store_dst(jd, iptr, d);
+#endif
+ break;
+
+ case ICMD_DCONST: /* ... ==> ..., constant */
+
+#if defined(ENABLE_SOFTFLOAT)
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ LCONST(iptr->sx.val.l, d);
+ emit_store_dst(jd, iptr, d);
+#else
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ DCONST(iptr->sx.val.d, d);
+ emit_store_dst(jd, iptr, d);
+#endif
+ break;
+
+
+
+ /* integer operations ************************************************/
+ case ICMD_INEG: /* ..., value ==> ..., - value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_INEG(REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+#if 0
+ case ICMD_LNEG: /* ..., value ==> ..., - value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ M_SUBFIC(GET_LOW_REG(s1), 0, GET_LOW_REG(d));
+ M_SUBFZE(GET_HIGH_REG(s1), GET_HIGH_REG(d));
+ emit_store_dst(jd, iptr, d);
+ break;
+#endif
+ case ICMD_I2L: /* ..., value ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ M_INTMOVE(s1, GET_LOW_REG(d)); /* sets negativ bit */
+ M_BPL(4);
+ M_ISET(GET_HIGH_REG(d));
+ M_TPFW;
+ M_ICLR(GET_HIGH_REG(d));
+
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_L2I: /* ..., value ==> ..., value */
+
+ s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_INT2BYTE: /* ..., value ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_BSEXT(s1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_INT2CHAR: /* ..., value ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_CZEXT(s1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_INT2SHORT: /* ..., value ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_SSEXT(s1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+
+
+ case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IADD(s1, REG_ITMP2);
+ M_INTMOVE(REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ /* s1.localindex = variable, sx.val.i = constant*/
+
+ case ICMD_IINC:
+ case ICMD_IADDCONST:
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_IADD_IMM(iptr->sx.val.i, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_ISUB(s2, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
+ /* sx.val.i = constant */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_IADD_IMM(-iptr->sx.val.i, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ emit_arithmetic_check(cd, iptr, s2);
+
+ M_INTMOVE(s1, REG_ITMP1);
+ M_IDIV(s2, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, s2);
+
+ M_IREM(s2, s1, REG_ITMP3);
+ M_INTMOVE(REG_ITMP3, d);
+
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
+ case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
+
+ bte = iptr->sx.s23.s3.bte;
+ md = bte->md;
+
+ s2 = emit_load_s2(jd, iptr, REG_ITMP12_PACKED);
+ M_INTMOVE(GET_LOW_REG(s2), REG_ITMP3);
+ M_IOR(GET_HIGH_REG(s2), REG_ITMP3);
+ /* XXX could be optimized */
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
+
+ M_LST(s2, REG_SP, 2 * 4);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
+ M_LST(s1, REG_SP, 0 * 4);
+
+ M_JSR_IMM(bte->fp);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
+ M_LNGMOVE(REG_RESULT_PACKED, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IMUL(s1, REG_ITMP2);
+ M_INTMOVE(REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
+ /* sx.val.i = constant */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_IMOV_IMM(iptr->sx.val.i, REG_ITMP2);
+ M_IMUL(s1, REG_ITMP2);
+ M_INTMOVE(REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IAND_IMM(0x1f, REG_ITMP2);
+ M_ISSL(REG_ITMP2, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
+ /* sx.val.i = constant */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1)
+ M_ISSL_IMM(iptr->sx.val.i & 0x1f, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IAND_IMM(0x1f, REG_ITMP2);
+ M_ISSR(REG_ITMP2, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
+ /* sx.val.i = constant */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1)
+ M_ISSR_IMM(iptr->sx.val.i & 0x1f, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IAND_IMM(0x1f, REG_ITMP2);
+ M_IUSR(REG_ITMP2, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
+ /* sx.val.i = constant */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1)
+ M_IUSR_IMM(iptr->sx.val.i & 0x1f, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IAND(s1, REG_ITMP2);
+ M_INTMOVE(REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
+ /* sx.val.i = constant */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ M_IAND_IMM(iptr->sx.val.i, REG_ITMP1);
+ M_INTMOVE(REG_ITMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+
+
+
+ /* load/store/copy/move operations ************************************/
+
+ case ICMD_ILOAD: /* ... ==> ..., content of local variable */
+ case ICMD_ALOAD: /* s1 = local variable */
+ case ICMD_LLOAD:
+ case ICMD_FLOAD:
+ case ICMD_DLOAD:
+ case ICMD_ISTORE: /* ..., value ==> ... */
+ case ICMD_LSTORE:
+ case ICMD_FSTORE:
+ case ICMD_DSTORE:
+ case ICMD_COPY:
+ case ICMD_MOVE:
+ emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ break;
+
+ case ICMD_ASTORE:
+ if (!(iptr->flags.bits & INS_FLAG_RETADDR))
+ emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ break;
+
+
+ case ICMD_ACONST: /* ... ==> ..., constant */
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ constant_classref *cr = iptr->sx.val.c.ref;;
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo, cr, 0);
+ M_AMOV_IMM(0, d);
+ } else {
+ M_AMOV_IMM(iptr->sx.val.anyptr, d);
+ }
+ emit_store_dst(jd, iptr, d);
+ break;
+ /* BRANCH *************************************************************/
+
+ case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ M_ADRMOVE(s1, REG_ATMP1_XPTR);
+
+#ifdef ENABLE_VERIFIER
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ unresolved_class *uc = iptr->sx.s23.s2.uc;
+
+ codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
+ }
+#endif /* ENABLE_VERIFIER */
+ M_JSR_PCREL(2); /* get current PC */
+ M_APOP(REG_ATMP2);
+
+ M_AMOV_IMM(asm_handle_exception, REG_ATMP3);
+ M_JMP(REG_ATMP3);
+ ALIGNCODENOP;
+ break;
+
+ case ICMD_GOTO: /* ... ==> ... */
+ case ICMD_RET: /* ... ==> ... */
+
+ emit_br(cd, iptr->dst.block);
+ ALIGNCODENOP;
+ break;
+
+ case ICMD_JSR: /* ... ==> ... */
+
+ emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
+ ALIGNCODENOP;
+ break;
+
+
+
+ case ICMD_IFNULL: /* ..., value ==> ... */
+ case ICMD_IFNONNULL:
+ assert(IS_ADR_TYPE(VAROP(iptr->s1)->type));
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ M_ATST(s1);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
+ break;
+
+ case ICMD_IFLT:
+ case ICMD_IFLE:
+ case ICMD_IFNE:
+ case ICMD_IFGT:
+ case ICMD_IFGE:
+ case ICMD_IFEQ: /* ..., value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ assert (VAROP(iptr->s1)->type == TYPE_INT);
+ M_ICMP_IMM(iptr->sx.val.i, s1);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
+ break;
+
+ case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ICMPNE:
+ case ICMD_IF_ICMPLT:
+ case ICMD_IF_ICMPGT:
+ case ICMD_IF_ICMPLE:
+ case ICMD_IF_ICMPGE:
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ M_ICMP(s2, s1);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
+ break;
+
+ case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
+ case ICMD_IF_ACMPNE:
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ATMP2);
+ M_ACMP(s1, s2);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
+ break;
+
+
+ /* MEMORY *************************************************************/
+ case ICMD_GETSTATIC:
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ assert(0);
+ } else {
+ fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
+
+ fieldtype = fi->type;
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
+ codegen_addpatchref(cd, PATCHER_initialize_class, fi->class, disp);
+ }
+
+ disp = (ptrint) &(fi->value);
+ }
+ M_AMOV_IMM(disp, REG_ATMP1);
+ switch (fieldtype) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_ILD(d, REG_ATMP1, 0);
+ break;
+ case TYPE_ADR:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_ALD(d, REG_ATMP1, 0);
+ break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP23_PACKED);
+ M_LLD(d, REG_ATMP1, 0);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_FLD(d, REG_ATMP1, 0);
+ break;
+ case TYPE_DBL:
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_DLD(d, REG_ATMP1, 0);
+ break;
+#endif
+ }
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_PUTSTATIC: /* ..., value ==> ... */
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+
+ codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+ } else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = &(fi->value);
+
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
+ codegen_addpatchref(cd, PATCHER_initialize_class, fi->class, 0);
+ }
+
+ M_AMOV_IMM(disp, REG_ATMP1);
+ switch (fieldtype) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP2);
+ M_IST(s1, REG_ATMP1, 0);
+ break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
+ M_LST(s1, REG_ATMP1, 0);
+ break;
+ case TYPE_ADR:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP2);
+ M_AST(s1, REG_ATMP1, 0);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ s1 = emit_load_s1(jd, iptr, REG_FTMP2);
+ M_FST(s1, REG_ATMP1, 0);
+ break;
+ case TYPE_DBL:
+ s1 = emit_load_s1(jd, iptr, REG_FTMP2);
+ M_DST(s1, REG_ATMP1, 0);
+ break;
+#endif
+ default: assert(0);
+ }
+ break;
+
+ case ICMD_GETFIELD: /* ... ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
+
+ codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
+ }
+
+ /* implicit null-pointer check */
+ switch (fieldtype) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_ILD(d, s1, disp);
+ break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ if (GET_HIGH_REG(d) == s1) {
+ M_ILD(GET_LOW_REG(d), s1, disp + 4);
+ M_ILD(GET_HIGH_REG(d), s1, disp);
+ } else {
+ M_ILD(GET_HIGH_REG(d), s1, disp);
+ M_ILD(GET_LOW_REG(d), s1, disp + 4);
+ }
+ break;
+ case TYPE_ADR:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_ALD(d, s1, disp);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_FLD(d, s1, disp);
+ break;
+ case TYPE_DBL:
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_DLD(d, s1, disp);
+ break;
+#endif
+ }
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_PUTFIELD: /* ..., value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
+ }
+
+ if (IS_INT_LNG_TYPE(fieldtype)) {
+ if (IS_2_WORD_TYPE(fieldtype)) {
+ s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
+ } else {
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ }
+ } else {
+ s2 = emit_load_s2(jd, iptr, REG_FTMP2);
+ }
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr))
+ codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
+
+ /* implicit null-pointer check */
+ switch (fieldtype) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ M_IST(s2, s1, disp);
+ break;
+
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
+ M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
+ break;
+ case TYPE_ADR:
+ M_AST(s2, s1, disp);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ M_FST(s2, s1, disp);
+ break;
+ case TYPE_DBL:
+ M_DST(s2, s1, disp);
+ break;
+#endif
+ }
+ break;
+
+ case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ /* implicit null-pointer check */
+ M_ILD(d, s1, OFFSET(java_arrayheader, size));
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_LBZX(REG_ATMP1, d);
+ M_BSEXT(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_chararray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_LHZX(REG_ATMP1, d);
+ /*M_CZEXT(d, d);*/
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+
+ /* implicit null-pointer check */
+ M_LHZX(REG_ATMP1, d);
+ M_HSEXT(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(2, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_intarray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+
+ /* implicit null-pointer check */
+ M_LWZX(REG_ATMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+#if 0
+ case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 3, REG_ITMP2);
+ M_IADD(s1, REG_ITMP2, REG_ITMP2);
+ M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 2, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LFSX(d, s1, REG_ITMP2);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 3, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LFDX(d, s1, REG_ITMP2);
+ emit_store_dst(jd, iptr, d);
+ break;
+ #endif
+
+ case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(2, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+
+ /* implicit null-pointer check */
+ M_LAX(REG_ATMP1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+
+ case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+
+ /* implicit null-pointer check */
+ M_STBX(REG_ATMP1, s3);
+ break;
+
+ case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_chararray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_STHX(REG_ATMP1, s3);
+ break;
+
+ case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_STHX(REG_ATMP1, s3);
+ break;
+
+ case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_intarray, data[0]), REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_STWX(REG_ATMP1, s3);
+ break;
+
+#if 0
+ case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_IADD_IMM(OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_ISSL_IMM(1, REG_ITMP2);
+ M_ADRMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP2, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_STWX(s3, s1, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
+ s3 = emit_load_s3_low(jd, iptr, REG_ITMP3);
+ M_STWX(s3, s1, REG_ITMP2);
+ break;
+
+ case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_FTMP3);
+ M_SLL_IMM(s2, 2, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_STFSX(s3, s1, REG_ITMP2);
+ break;
+
+ case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_FTMP3);
+ M_SLL_IMM(s2, 3, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_STFDX(s3, s1, REG_ITMP2);
+ break;
+
+ #endif
+ case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP1);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_ATMP2);
+
+ /* XXX what if array is NULL */
+ disp = dseg_add_functionptr(cd, BUILTIN_canstore);
+
+ M_AST(s1, REG_SP, 0*4);
+ M_AST(s3, REG_SP, 1*4);
+ M_JSR_IMM(BUILTIN_canstore);
+ emit_exception_check_ireg(cd, iptr);
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP1);
+ s3 = emit_load_s3(jd, iptr, REG_ATMP2);
+ M_INTMOVE(s2, REG_ITMP1);
+ M_ISSL_IMM(2, REG_ITMP1);
+ M_IADD_IMM(OFFSET(java_objectarray, data[0]), REG_ITMP1);
+ M_INTMOVE(s1, REG_ATMP1);
+ M_AADDINT(REG_ITMP1, REG_ATMP1);
+ /* implicit null-pointer check */
+ M_STAX(REG_ATMP1, s3);
+ break;
+
+
+
+ /* METHOD INVOCATION *********************************************************/
+ case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ bte = iptr->sx.s23.s3.bte;
+ md = bte->md;
+ goto gen_method;
+
+ case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
+ case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
+ case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
+ case ICMD_INVOKEINTERFACE:
+ REPLACEMENT_POINT_INVOKE(cd, iptr);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ lm = NULL;
+ um = iptr->sx.s23.s3.um;
+ md = um->methodref->parseddesc.md;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ um = NULL;
+ md = lm->parseddesc;
+ }
+ gen_method:
+ s3 = md->paramcount;
+
+ MCODECHECK((s3 << 1) + 64);
+
+ /* copy arguments to stack */
+ for (s3 = s3 - 1; s3 >= 0; s3--) {
+ var = VAR(iptr->sx.s23.s2.args[s3]);
+ /* already preallocated */
+ if (var->flags & PREALLOC) continue;
+
+ if (!md->params[s3].inmemory) assert(0);
+
+ switch (var->type) {
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ d = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
+ M_LST(d, REG_SP, md->params[s3].regoff*4);
+ break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ d = emit_load(jd, iptr, var, REG_ITMP1);
+ M_IST(d, REG_SP, md->params[s3].regoff*4);
+ break;
+ case TYPE_ADR:
+ d = emit_load(jd, iptr, var, REG_ATMP1);
+ M_AST(d, REG_SP, md->params[s3].regoff*4);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL:
+#endif
+ default:
+ assert(0);
+ }
+ }
+
+ /* arguments in place now */
+ switch(iptr->opc) {
+ case ICMD_BUILTIN:
+ disp = (ptrint) bte->fp;
+ d = md->returntype.type;
+ M_JSR_IMM(disp);
+
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ /*emit_exception_check(cd, iptr); TODO */
+ break;
+
+ case ICMD_INVOKESPECIAL:
+ /* adress register for sure */
+ M_ALD(REG_ATMP1, REG_SP, 0);
+ emit_nullpointer_check(cd, iptr, REG_ATMP1);
+ /* fall through */
+ case ICMD_INVOKESTATIC:
+ if (lm == NULL) {
+ codegen_addpatchref(cd, PATCHER_invokestatic_special, um, 0);
+ disp = 0;
+ M_AMOV_IMM(disp, REG_ATMP1);
+ } else {
+ disp = lm->stubroutine;
+ M_AMOV_IMM(disp, REG_ATMP1);
+ }
+
+ /* generate the actual call */
+ M_JSR(REG_ATMP1);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ break;
+
+
+ case ICMD_INVOKEVIRTUAL:
+ if (lm == NULL) {
+ codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
+ s1 = 0;
+ } else {
+ s1 = OFFSET(vftbl_t, table[0]) + sizeof(methodptr) * lm->vftblindex;
+ }
+ /* load object pointer (==argument 0) */
+ M_ALD(REG_ATMP1, REG_SP, 0);
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ATMP1, REG_METHODPTR, s1);
+ /* generate the actual call */
+ M_JSR(REG_ATMP1);
+ break;
+ case ICMD_INVOKEINTERFACE:
+ if (lm == NULL) {
+ codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
+
+ s1 = 0;
+ s2 = 0;
+ } else {
+ s1 = OFFSET(vftbl_t, interfacetable[0]) - sizeof(methodptr*) * lm->class->index;
+ s2 = sizeof(methodptr) * (lm - lm->class->methods);
+ }
+ /* load object pointer (==argument 0) */
+ M_ALD(REG_ATMP1, REG_SP, 0);
+
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_ATMP1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
+ M_ALD(REG_ATMP1, REG_METHODPTR, s2);
+
+ /* generate the actual call */
+ M_JSR(REG_ATMP1);
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+ break;
+
+ default: assert(0);
+ } /* switch (iptr->opc) */
+
+ REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
+
+ /* store return value */
+ d = md->returntype.type;
+
+ switch (d) {
+ case TYPE_VOID: break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
+ M_INTMOVE(REG_RESULT, s1);
+ break;
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
+ M_LNGMOVE(REG_RESULT_PACKED, s1);
+ break;
+ case TYPE_ADR:
+ s1 = codegen_reg_of_dst(jd, iptr, REG_ATMP1);
+ /* all stuff is returned in %d0 */
+ M_INT2ADRMOVE(REG_RESULT, s1);
+ break;
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL:
+#endif
+ default:
+ assert(0);
+ }
+ if (d != TYPE_VOID) emit_store_dst(jd, iptr, s1);
+ break; /* ICMD_INVOKE* */
+
+#if defined(ENABLE_SOFTFLOAT)
+ case ICMD_FRETURN:
+#endif
+ case ICMD_IRETURN: /* ..., retvalue ==> ... */
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+ s1 = emit_load_s1(jd, iptr, REG_RESULT);
+ M_INTMOVE(s1, REG_RESULT);
+ goto nowperformreturn;
+
+ case ICMD_ARETURN: /* ..., retvalue ==> ... */
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+ s1 = emit_load_s1(jd, iptr, REG_RESULT);
+ assert(VAROP(iptr->s1)->type == TYPE_ADR);
+ M_ADR2INTMOVE(s1, REG_RESULT);
+
+#ifdef ENABLE_VERIFIER
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ unresolved_class *uc = iptr->sx.s23.s2.uc;
+
+ codegen_addpatchref(cd, PATCHER_resolve_class, uc, 0);
+ }
+#endif /* ENABLE_VERIFIER */
+ goto nowperformreturn;
+
+#if defined(ENABLE_SOFTFLOAT)
+ case ICMD_DRETURN:
+#endif
+ case ICMD_LRETURN: /* ..., retvalue ==> ... */
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+ s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
+ M_LNGMOVE(s1, REG_RESULT_PACKED);
+ goto nowperformreturn;
+
+#if !defined(ENABLE_SOFTFLOAT)
+ case ICMD_FRETURN: /* ..., retvalue ==> ... */
+ case ICMD_DRETURN:
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+ s1 = emit_load_s1(jd, iptr, REG_FRESULT);
+ M_FLTMOVE(s1, REG_FRESULT);
+ goto nowperformreturn;
+#endif
+
+ case ICMD_RETURN: /* ... ==> ... */
+
+ REPLACEMENT_POINT_RETURN(cd, iptr);
+
+nowperformreturn:
+ {
+ s4 i, p;
+
+ p = cd->stackframesize;
+
+ /* call trace function */
+#if !defined(NDEBUG)
+ emit_verbosecall_exit(jd);
+#endif
+
+#if defined(ENABLE_THREADS)
+ if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_MTCTR(REG_ITMP3);
+
+ /* we need to save the proper return value */
+
+ switch (iptr->opc) {
+ case ICMD_LRETURN:
+ M_IST(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
+ /* fall through */
+ case ICMD_IRETURN:
+ case ICMD_ARETURN:
+ M_IST(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
+ break;
+ case ICMD_FRETURN:
+ M_FST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ break;
+ case ICMD_DRETURN:
+ M_DST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ break;
+ }
+
+ M_ALD(REG_A0, REG_SP, rd->memuse * 4);
+ M_JSR;
+
+ /* and now restore the proper return value */
+
+ switch (iptr->opc) {
+ case ICMD_LRETURN:
+ M_ILD(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
+ /* fall through */
+ case ICMD_IRETURN:
+ case ICMD_ARETURN:
+ M_ILD(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
+ break;
+ case ICMD_FRETURN:
+ M_FLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ break;
+ case ICMD_DRETURN:
+ M_DLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
+ break;
+ }
+ }
+#endif
+
+
+ /* restore return address */
+#if 0
+ if (!jd->isleafmethod) {
+ /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
+ may have a displacement overflow. */
+
+ M_ALD(REG_ITMP1, REG_SP, p * 4 + LA_LR_OFFSET);
+ M_MTLR(REG_ITMP1);
+ }
+#endif
+ /* restore saved registers */
+
+ for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
+ p--; M_ILD(rd->savintregs[i], REG_SP, p * 4);
+ }
+ for (i=ADR_SAV_CNT-1; i>=rd->savadrreguse; --i) {
+ p--; M_ALD(rd->savadrregs[i], REG_SP, p*4);
+ }
+#if !defined(ENABLE_SOFTFLOAT)
+ for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
+ p -= 2; M_DLD(rd->savfltregs[i], REG_SP, p * 4);
+ }
+#endif
+ /* deallocate stack */
+ M_AADD_IMM(cd->stackframesize*4, REG_SP);
+ M_RET;
+ }
+ break;
+
+ /* the evil ones */
+ case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
+ /* val.a: (classinfo*) superclass */
+
+ /* superclass is an interface:
+ *
+ * return (sub != NULL) &&
+ * (sub->vftbl->interfacetablelength > super->index) &&
+ * (sub->vftbl->interfacetable[-super->index] != NULL);
+ *
+ * superclass is a class:
+ *
+ * return ((sub != NULL) && (0
+ * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
+ * super->vftbl->diffvall));
+ */
+
+ {
+ classinfo *super;
+ s4 superindex;
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ super = NULL;
+ superindex = 0;
+ }
+ else {
+ super = iptr->sx.s23.s3.c.cls;
+ superindex = super->index;
+ }
+
+#if defined(ENABLE_THREADS)
+ codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
+ assert(VAROP(iptr->s1 )->type == TYPE_ADR);
+ assert(VAROP(iptr->dst)->type == TYPE_INT);
+
+ M_ICLR(d);
+
+ /* if class is not resolved, check which code to call */
+
+ if (super == NULL) {
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_1);
+
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags, iptr->sx.s23.s3.c.ref, 0);
+
+ M_IMOV_IMM32(0, REG_ITMP3);
+ M_IAND_IMM(ACC_INTERFACE, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_2);
+ }
+
+ /* interface instanceof code */
+
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ codegen_addpatchref(cd, PATCHER_instanceof_interface, iptr->sx.s23.s3.c.ref, 0);
+ } else {
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
+ }
+
+ M_ALD(REG_ATMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ILD(REG_ITMP3, REG_ATMP1, OFFSET(vftbl_t, interfacetablelength));
+ M_IADD_IMM(-superindex, REG_ITMP3); /* -superindex may be patched patched */
+ M_ITST(REG_ITMP3);
+ M_BLE(10);
+ M_ALD(REG_ATMP1, REG_ATMP1, OFFSET(vftbl_t, interfacetable[0]) - superindex * sizeof(methodptr*)); /* patch here too! */
+ M_ATST(REG_ATMP1);
+ M_BEQ(2);
+ M_IMOV_IMM(1, d);
+
+ if (super == NULL)
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
+ }
+
+ /* class instanceof code */
+
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl, iptr->sx.s23.s3.c.ref, 0);
+ M_AMOV_IMM(0, REG_ATMP2);
+ } else {
+ M_AMOV_IMM(super->vftbl, REG_ATMP2);
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
+ }
+
+ M_ALD(REG_ATMP1, s1, OFFSET(java_objectheader, vftbl));
+#if defined(ENABLE_THREADS)
+ codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ M_ILD(REG_ITMP1, REG_ATMP1, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP3, REG_ATMP2, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP2, REG_ATMP2, OFFSET(vftbl_t, diffval));
+#if defined(ENABLE_THREADS)
+ codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ M_ISUB(REG_ITMP3, REG_ITMP1);
+ M_ICMP(REG_ITMP1, REG_ITMP2);
+ M_BGT(4);
+ M_IMOV_IMM(1, d);
+ M_TPFW; /* overlaps next instruction */
+ M_ICLR(d);
+
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
+ }
+
+ emit_store_dst(jd, iptr, d);
+ }
+ break;
+
+ case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
+ /* val.a: (classinfo*) superclass */
+
+ /* superclass is an interface:
+ *
+ * OK if ((sub == NULL) ||
+ * (sub->vftbl->interfacetablelength > super->index) &&
+ * (sub->vftbl->interfacetable[-super->index] != NULL));
+ *
+ * superclass is a class:
+ *
+ * OK if ((sub == NULL) || (0
+ * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
+ * super->vftbl->diffvall));
+ */
+
+ if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
+ /* object type cast-check */
+
+ classinfo *super;
+ s4 superindex;
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ super = NULL;
+ superindex = 0;
+ }
+ else {
+ super = iptr->sx.s23.s3.c.cls;
+ superindex = super->index;
+ }
+
+#if defined(ENABLE_THREADS)
+ codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP1);
+ assert(VAROP(iptr->s1)->type == TYPE_ADR);
+
+ /* if class is not resolved, check which code to call */
+
+ if (super == NULL) {
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_1);
+
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_flags, iptr->sx.s23.s3.c.ref, 0);
+
+ M_IMOV_IMM32(0, REG_ITMP2);
+ M_IAND_IMM(ACC_INTERFACE, REG_ITMP2);
+ emit_label_beq(cd, BRANCH_LABEL_2);
+ }
+
+ /* interface checkcast code */
+
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ codegen_addpatchref(cd, PATCHER_checkcast_interface, iptr->sx.s23.s3.c.ref, 0);
+ } else {
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
+ }
+
+ M_ALD(REG_ATMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ILD(REG_ITMP3, REG_ATMP2, OFFSET(vftbl_t, interfacetablelength));
+
+ M_IADD_IMM(-superindex, REG_ITMP3); /* superindex patched */
+ M_ITST(REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
+
+ M_ALD(REG_ATMP3, REG_ATMP2, OFFSET(vftbl_t, interfacetable[0]) - superindex * sizeof(methodptr*)); /* patched*/
+ M_ATST(REG_ATMP3);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ATMP3, s1);
+
+ if (super == NULL)
+ emit_label_br(cd, BRANCH_LABEL_4);
+ else
+ emit_label(cd, BRANCH_LABEL_3);
+ }
+
+ /* class checkcast code */
+
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
+
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_vftbl, iptr->sx.s23.s3.c.ref, 0);
+ M_AMOV_IMM(0, REG_ATMP3);
+ } else {
+ M_AMOV_IMM(super->vftbl, REG_ATMP3);
+ M_ATST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
+ }
+
+ M_ALD(REG_ATMP2, s1, OFFSET(java_objectheader, vftbl));
+#if defined(ENABLE_THREADS)
+ codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ M_ILD(REG_ITMP3, REG_ATMP2, OFFSET(vftbl_t, baseval)); /* REG_ITMP3 == sub->vftbl->baseval */
+#if 0
+ if (s1 != REG_ATMP1) {
+#endif
+ M_ILD(REG_ITMP1, REG_ATMP3, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP2, REG_ATMP3, OFFSET(vftbl_t, diffval));
+#if defined(ENABLE_THREADS)
+ codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ M_ISUB(REG_ITMP1, REG_ITMP3);
+ M_ICMP(REG_ITMP2, REG_ITMP1); /* XXX was CMPU */
+#if 0
+ } else {
+ assert(0);
+ M_ILD(REG_ITMP2, REG_ATMP3, OFFSET(vftbl_t, baseval));
+ M_ISUB(REG_ITMP3, REG_ITMP2);
+ M_ILD(REG_ITMP3, REG_ATMP3, OFFSET(vftbl_t, diffval));
+ M_ICMP(REG_ITMP2, REG_ITMP3); /* XXX was CMPU */
+#if defined(ENABLE_THREADS)
+ codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
+#endif
+ }
+#endif
+ emit_classcast_check(cd, iptr, BRANCH_UGT, REG_ITMP3, s1); /* XXX was BRANCH_GT */
+
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
+ }
+
+ d = codegen_reg_of_dst(jd, iptr, s1);
+ } else {
+ /* array type cast-check */
+
+ s1 = emit_load_s1(jd, iptr, REG_ATMP2);
+
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ codegen_addpatchref(cd, PATCHER_resolve_classref_to_classinfo, iptr->sx.s23.s3.c.ref, 0);
+ M_AMOV_IMM(0, REG_ATMP1);
+ } else {
+ M_AMOV_IMM(iptr->sx.s23.s3.c.cls, REG_ATMP1);
+ }
+
+ M_APUSH(s1);
+ M_APUSH(REG_ATMP1);
+ M_JSR_IMM(BUILTIN_arraycheckcast);
+ M_AADD_IMM(2*4, REG_SP); /* pop arguments off stack */
+ M_ITST(REG_RESULT);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, s1);
+ }
+ assert(VAROP(iptr->dst)->type == TYPE_ADR);
+ M_ADRMOVE(s1, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+ case ICMD_TABLESWITCH: /* ..., index ==> ... */
+ {
+ s4 i, l;
+ branch_target_t *table;
+
+ table = iptr->dst.table;
+
+ l = iptr->sx.s23.s2.tablelow;
+ i = iptr->sx.s23.s3.tablehigh;
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, REG_ITMP1);
+ if (l != 0) M_ISUB_IMM(l, REG_ITMP1);
+
+ i = i - l + 1;
+
+ /* range check */
+ M_ICMP_IMM(i - 1, REG_ITMP1);
+ emit_bugt(cd, table[0].block);
+
+ /* build jump table top down and use address of lowest entry */
+ table += i;
+
+ while (--i >= 0) {
+ dseg_add_target(cd, table->block);
+ --table;
+ }
+
+ /* length of dataseg after last dseg_add_target is used by load */
+ M_AMOV_IMM(0, REG_ATMP2);
+ dseg_adddata(cd);
+
+ M_ISSL_IMM(2, REG_ITMP1); /* index * 4 == offset in table */
+ M_AADDINT(REG_ITMP1, REG_ATMP2); /* offset in table */
+ M_AADD_IMM(-(cd->dseglen), REG_ATMP2); /* start of table in dseg */
+ M_ALD(REG_ATMP1, REG_ATMP2, 0);
+
+ M_JMP(REG_ATMP1);
+ ALIGNCODENOP;
+ }
+ break;
+
+ case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
+ {
+ s4 i;
+ lookup_target_t *lookup;
+
+ lookup = iptr->dst.lookup;
+
+ i = iptr->sx.s23.s2.lookupcount;
+
+ MCODECHECK((i<<2)+8);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+
+ while (--i >= 0) {
+ M_ICMP_IMM(lookup->value, s1);
+ emit_beq(cd, lookup->target.block);
+ lookup++;
+ }
+
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
+ ALIGNCODENOP;
+ break;
+ }
+
+
+ default:
+ printf("UNKNOWN OPCODE %d\n", iptr->opc);
+ exceptions_throw_internalerror("Unknown ICMD %d during code generation", iptr->opc);
+ return false;
+ } /* switch */
+ M_TPF;
+ } /* for each instruction */
+ } /* if (btpre->flags >= BBREACHED) */
+ } /* for each basic block */
+
+ dseg_createlinenumbertable(cd);
+
+ /* generate stubs */
+ emit_patcher_stubs(jd);
+ REPLACEMENT_EMIT_STUBS(jd);
+
+ return true;
+}
+
+/* createnativestub ************************************************************
+
+ Creates a stub routine which calls a native method.
+
+*******************************************************************************/
+u1* createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
+{
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ registerdata *rd;
+ methoddesc *md;
+ s4 nativeparams, i, j, t, s1, s2;
+
+ /* get required compiler data */
+
+ m = jd->m;
+ code = jd->code;
+ cd = jd->cd;
+ rd = jd->rd;
+
+ md = m->parseddesc;
+ nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
+
+ /* calc stackframe size */
+ cd->stackframesize = sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ sizeof(localref_table) / SIZEOF_VOID_P +
+ nmd->memuse +
+ 4 + /* %d0,%d1,%a0,%a1*/
+ 2 * 2 + /* %f0,%f1 */
+ 1 + /* functionptr */
+ 4; /* args for codegen_start_native_call */
+
+ /* create method header */
+ (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
+ (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize */
+ (void) dseg_add_unique_s4(cd, 0); /* IsSync */
+ (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, 0); /* IntSave */
+ (void) dseg_add_unique_s4(cd, 0); /* FltSave */
+ (void) dseg_addlinenumbertablesize(cd);
+ (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
+
+ /* print call trace */
+#if !defined(NDEBUG)
+ if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ emit_verbosecall_enter(jd);
+ }
+#endif
+
+ /* generate code */
+ M_AADD_IMM(-(cd->stackframesize*4), REG_SP);
+
+ /* get function address (this must happen before the stackframeinfo) */
+#if !defined(WITH_STATIC_CLASSPATH)
+ if (f == NULL) {
+ codegen_addpatchref(cd, PATCHER_resolve_native_function, m, 0);
+ /*M_AMOV_IMM(0, REG_ATMP2);*/
+ }
+#endif
+ M_AMOV_IMM(f, REG_ATMP2); /* do not move this line, the patcher is needed */
+
+ M_AST(REG_ATMP2, REG_SP, 4 * 4);
+
+ /* save integer and float temp registers */
+ /*
+ M_IST(REG_D0, REG_SP, 4*4 + 2*8 + 3*4);
+ M_IST(REG_D1, REG_SP, 4*4 + 2*8 + 2*4);
+ M_AST(REG_A0, REG_SP, 4*4 + 2*8 + 1*4);
+ M_AST(REG_A1, REG_SP, 4*4 + 2*8 + 0*4);
+ */
+
+ /* TODO */
+ /* store %f0, %f1 */
+
+ /* put arguments for codegen_start_native_call onto stack */
+ /* void codegen_start_native_call(u1 *datasp, u1 *pv, u1 *sp, u1 *ra) */
+
+ M_AMOV(REG_SP, REG_ATMP1);
+ M_AADD_IMM(cd->stackframesize * 4, REG_ATMP1);
+
+ M_ALD(REG_ATMP3, REG_ATMP1, 0 * 4);
+ M_AST(REG_ATMP3, REG_SP, 3 * 4); /* ra */
+
+ M_AST(REG_ATMP1, REG_SP, 0 * 4); /* datasp */
+
+ M_AADD_IMM(1 * 4 , REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 2 * 4); /* sp */
+
+ M_AMOV_IMM(0, REG_ATMP2); /* 0 needs to patched */
+ dseg_adddata(cd); /* this patches it */
+
+ M_AST(REG_ATMP2, REG_SP, 1 * 4); /* pv */
+
+ M_JSR_IMM(codegen_start_native_call);
+
+ /* load function pointer */
+ M_ALD(REG_ATMP2, REG_SP, 4 * 4);
+
+ /* copy arguments into stackframe */
+ for (i = md->paramcount -1, j = i + nativeparams; i >= 0; --i, --j) {
+ t = md->paramtypes[i].type;
+ /* all arguments via stack */
+ assert(md->params[i].inmemory);
+
+ s1 = (md->params[i].regoff + cd->stackframesize + 1) * 4;
+ s2 = nmd->params[j].regoff * 4;
+
+ /* simply copy argument stack */
+ M_ILD(REG_ITMP1, REG_SP, s1);
+ M_IST(REG_ITMP1, REG_SP, s2);
+ if (IS_2_WORD_TYPE(t)) {
+ M_ILD(REG_ITMP1, REG_SP, s1 + 4);
+ M_IST(REG_ITMP1, REG_SP, s2 + 4);
+ }
+ }
+
+ /* for static function class as second arg */
+ if (m->flags & ACC_STATIC) {
+ M_AMOV_IMM(m->class, REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 1 * 4);
+ }
+ /* env ist first argument */
+ M_AMOV_IMM(_Jv_env, REG_ATMP1);
+ M_AST(REG_ATMP1, REG_SP, 0 * 4);
+
+ /* call the native function */
+ M_JSR(REG_ATMP2);
+
+ /* save return value */
+ switch (md->returntype.type) {
+ case TYPE_VOID: break;
+
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ M_IST(REG_D1, REG_SP, 2 * 4);
+ /* fall through */
+
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(REG_D0, REG_SP, 1 * 4);
+ break;
+
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL: /* FIXME */
+#endif
+ default: assert(0);
+ }
+
+ /* print call trace */
+#if ! defined(NDEBUG)
+ if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ emit_verbosecall_exit(jd);
+ }
+#endif
+ /* remove native stackframe info */
+ /* therefore we call: java_objectheader *codegen_finish_native_call(u1 *datasp) */
+
+ M_AMOV(REG_SP, REG_ATMP3);
+ M_AADD_IMM(cd->stackframesize * 4, REG_ATMP3);
+ M_AST(REG_ATMP3, REG_SP, 0 * 4); /* datasp */
+ M_JSR_IMM(codegen_finish_native_call);
+
+ M_INT2ADRMOVE(REG_RESULT, REG_ATMP3);
+ /* restore return value */
+ switch (md->returntype.type) {
+ case TYPE_VOID: break;
+
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_DBL:
+#endif
+ case TYPE_LNG:
+ M_ILD(REG_D1, REG_SP, 2 * 4);
+ /* fall through */
+#if defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+#endif
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_D0, REG_SP, 1 * 4);
+ break;
+
+#if !defined(ENABLE_SOFTFLOAT)
+ case TYPE_FLT:
+ case TYPE_DBL: /* FIXME */
+#endif
+ default: assert(0);
+ }
+ /* restore saved registers */
+
+ M_AADD_IMM(cd->stackframesize*4, REG_SP);
+ /* check for exception */
+ M_ATST(REG_ATMP3);
+ M_BNE(2);
+ M_RET;
+
+ /* handle exception */
+ M_JSR_IMM(0); /* FIXME */
+
+
+ /* generate patcher stub call code */
+ emit_patcher_stubs(jd);
+ codegen_finish(jd);
+
+ return code->entrypoint;
+}
+
+/* createcompilerstub **********************************************************
+
+ Creates a stub routine which calls the compiler.
+
+*******************************************************************************/
+
+#define COMPILERSTUB_DATASIZE (3 * SIZEOF_VOID_P)
+#define COMPILERSTUB_CODESIZE (6+6+6+2)
+#define COMPILERSTUB_SIZE (COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE)
+u1* createcompilerstub(methodinfo *m)
+{
+ u1 *s;
+ ptrint *d;
+ codegendata *cd;
+ s4 dumpsize;
+
+ s = CNEW(u1, COMPILERSTUB_SIZE);
+
+ /* set data and code pointer */
+ d = (ptrint *)s;
+ s = s + COMPILERSTUB_DATASIZE;
+
+ /* mark start of dump memory area */
+ dumpsize = dump_size();
+ cd = DNEW(codegendata);
+ cd->mcodeptr = s;
+
+ /* Store codeinfo pointer in the same place as in the
+ * methodheader for compiled methods */
+ d[0] = (ptrint) asm_call_jit_compiler;
+ d[1] = (ptrint) m;
+ d[2] = (ptrint) &d[1]; /* fake code->m */
+
+ M_AMOV_IMM(m, REG_ATMP1);
+ M_AMOV_IMM(asm_call_jit_compiler, REG_ATMP3);
+ M_JMP_IMM(asm_call_jit_compiler);
+ M_RET;
+
+ md_cacheflush((u1 *) d, COMPILERSTUB_SIZE);
+#if defined(ENABLE_STATISTICS)
+ if (opt_stat)
+ count_cstub_len += COMPILERSTUB_SIZE;
+#endif
+
+ /* release dump area */
+ dump_release(dumpsize);
+
+ return s;
+}
projects / cacao.git / blobdiff