1 /* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
34 $Id: codegen.c 5145 2006-07-17 11:48:38Z twisti $
49 #include "vm/jit/powerpc64/arch.h"
50 #include "vm/jit/powerpc64/codegen.h"
52 #include "mm/memory.h"
53 #include "native/native.h"
54 #include "vm/builtin.h"
55 #include "vm/exceptions.h"
56 #include "vm/global.h"
57 #include "vm/loader.h"
58 #include "vm/options.h"
59 #include "vm/stringlocal.h"
61 #include "vm/jit/asmpart.h"
62 #include "vm/jit/codegen-common.h"
63 #include "vm/jit/dseg.h"
64 #include "vm/jit/emit.h"
65 #include "vm/jit/jit.h"
66 #include "vm/jit/parse.h"
67 #include "vm/jit/patcher.h"
68 #include "vm/jit/reg.h"
69 #include "vm/jit/replace.h"
71 #if defined(ENABLE_LSRA)
72 # include "vm/jit/allocator/lsra.h"
76 void codegen_trace_args(jitdata *jd, s4 stackframesize, bool nativestub);
78 /* codegen *********************************************************************
80 Generates machine code.
82 *******************************************************************************/
84 bool codegen(jitdata *jd)
90 s4 len, s1, s2, s3, d, disp;
99 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
100 builtintable_entry *bte;
102 rplpoint *replacementpoint;
104 /* get required compiler data */
111 /* prevent compiler warnings */
123 /* space to save used callee saved registers */
125 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
126 savedregs_num += (FLT_SAV_CNT - rd->savfltreguse) * 2;
128 stackframesize = rd->memuse + savedregs_num;
130 #if defined(ENABLE_THREADS)
131 /* space to save argument of monitor_enter and Return Values to survive */
132 /* monitor_exit. The stack position for the argument can not be shared */
133 /* with place to save the return register on PPC, since both values */
135 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
136 /* reserve 2 slots for long/double return values for monitorexit */
138 if (IS_2_WORD_TYPE(m->parseddesc->returntype.type))
146 /* create method header */
148 /* align stack to 16-bytes */
150 /* if (!m->isleafmethod || opt_verbosecall) */
151 stackframesize = (stackframesize + 3) & ~3;
153 /* else if (m->isleafmethod && (stackframesize == LA_WORD_SIZE)) */
154 /* stackframesize = 0; */
156 (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
157 (void) dseg_adds4(cd, stackframesize * 4); /* FrameSize */
159 #if defined(ENABLE_THREADS)
160 /* IsSync contains the offset relative to the stack pointer for the
161 argument of monitor_exit used in the exception handler. Since the
162 offset could be zero and give a wrong meaning of the flag it is
166 if (checksync && (m->flags & ACC_SYNCHRONIZED))
167 (void) dseg_adds4(cd, (rd->memuse + 1) * 4); /* IsSync */
170 (void) dseg_adds4(cd, 0); /* IsSync */
172 (void) dseg_adds4(cd, code->isleafmethod); /* IsLeaf */
173 (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
174 (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
176 dseg_addlinenumbertablesize(cd);
178 (void) dseg_adds4(cd, cd->exceptiontablelength); /* ExTableSize */
180 /* create exception table */
182 for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
183 dseg_addtarget(cd, ex->start);
184 dseg_addtarget(cd, ex->end);
185 dseg_addtarget(cd, ex->handler);
186 (void) dseg_addaddress(cd, ex->catchtype.cls);
189 /* create stack frame (if necessary) */
191 if (!code->isleafmethod) {
193 M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
197 M_STWU(REG_SP, REG_SP, -stackframesize * 4);
199 /* save return address and used callee saved registers */
202 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
203 p--; M_IST(rd->savintregs[i], REG_SP, p * 4);
205 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
206 p -= 2; M_DST(rd->savfltregs[i], REG_SP, p * 4);
209 /* take arguments out of register or stack frame */
213 for (p = 0, l = 0; p < md->paramcount; p++) {
214 t = md->paramtypes[p].type;
215 var = &(rd->locals[l][t]);
217 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
221 s1 = md->params[p].regoff;
222 if (IS_INT_LNG_TYPE(t)) { /* integer args */
223 if (IS_2_WORD_TYPE(t))
224 s2 = PACK_REGS(rd->argintregs[GET_LOW_REG(s1)],
225 rd->argintregs[GET_HIGH_REG(s1)]);
227 s2 = rd->argintregs[s1];
228 if (!md->params[p].inmemory) { /* register arguments */
229 if (!(var->flags & INMEMORY)) { /* reg arg -> register */
230 if (IS_2_WORD_TYPE(t))
231 M_LNGMOVE(s2, var->regoff);
233 M_INTMOVE(s2, var->regoff);
235 } else { /* reg arg -> spilled */
236 if (IS_2_WORD_TYPE(t))
237 M_LST(s2, REG_SP, var->regoff * 4);
239 M_IST(s2, REG_SP, var->regoff * 4);
242 } else { /* stack arguments */
243 if (!(var->flags & INMEMORY)) { /* stack arg -> register */
244 if (IS_2_WORD_TYPE(t))
245 M_LLD(var->regoff, REG_SP, (stackframesize + s1) * 4);
247 M_ILD(var->regoff, REG_SP, (stackframesize + s1) * 4);
249 } else { /* stack arg -> spilled */
251 M_ILD(REG_ITMP1, REG_SP, (stackframesize + s1) * 4);
252 M_IST(REG_ITMP1, REG_SP, var->regoff * 4);
253 if (IS_2_WORD_TYPE(t)) {
254 M_ILD(REG_ITMP1, REG_SP, (stackframesize + s1) * 4 +4);
255 M_IST(REG_ITMP1, REG_SP, var->regoff * 4 + 4);
258 /* Reuse Memory Position on Caller Stack */
259 var->regoff = stackframesize + s1;
264 } else { /* floating args */
265 if (!md->params[p].inmemory) { /* register arguments */
266 s2 = rd->argfltregs[s1];
267 if (!(var->flags & INMEMORY)) { /* reg arg -> register */
268 M_FLTMOVE(s2, var->regoff);
270 } else { /* reg arg -> spilled */
271 if (IS_2_WORD_TYPE(t))
272 M_DST(s2, REG_SP, var->regoff * 4);
274 M_FST(s2, REG_SP, var->regoff * 4);
277 } else { /* stack arguments */
278 if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
279 if (IS_2_WORD_TYPE(t))
280 M_DLD(var->regoff, REG_SP, (stackframesize + s1) * 4);
283 M_FLD(var->regoff, REG_SP, (stackframesize + s1) * 4);
285 } else { /* stack-arg -> spilled */
287 if (IS_2_WORD_TYPE(t)) {
288 M_DLD(REG_FTMP1, REG_SP, (stackframesize + s1) * 4);
289 M_DST(REG_FTMP1, REG_SP, var->regoff * 4);
290 var->regoff = stackframesize + s1;
293 M_FLD(REG_FTMP1, REG_SP, (stackframesize + s1) * 4);
294 M_FST(REG_FTMP1, REG_SP, var->regoff * 4);
297 /* Reuse Memory Position on Caller Stack */
298 var->regoff = stackframesize + s1;
305 /* save monitorenter argument */
307 #if defined(ENABLE_THREADS)
308 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
309 p = dseg_addaddress(cd, BUILTIN_monitorenter);
310 M_ALD(REG_ITMP3, REG_PV, p);
313 /* get or test the lock object */
315 if (m->flags & ACC_STATIC) {
316 p = dseg_addaddress(cd, &m->class->object.header);
317 M_ALD(rd->argintregs[0], REG_PV, p);
320 M_TST(rd->argintregs[0]);
322 codegen_add_nullpointerexception_ref(cd);
325 M_AST(rd->argintregs[0], REG_SP, rd->memuse * 4);
330 /* call trace function */
332 if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
333 codegen_trace_args(jd, stackframesize, false);
336 /* end of header generation */
338 replacementpoint = jd->code->rplpoints;
340 /* walk through all basic blocks */
341 for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
343 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
345 if (bptr->flags >= BBREACHED) {
347 /* branch resolving */
351 for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
352 gen_resolvebranch((u1*) cd->mcodebase + brefs->branchpos,
358 /* handle replacement points */
360 if (bptr->bitflags & BBFLAG_REPLACEMENT) {
361 replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
366 /* copy interface registers to their destination */
372 #if defined(ENABLE_LSRA)
374 while (src != NULL) {
376 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
377 /* d = reg_of_var(m, src, REG_ITMP1); */
378 if (!(src->flags & INMEMORY))
382 M_INTMOVE(REG_ITMP1, d);
383 emit_store(jd, NULL, src, d);
389 while (src != NULL) {
391 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
392 d = codegen_reg_of_var(rd, 0, src, REG_ITMP1);
393 M_INTMOVE(REG_ITMP1, d);
394 emit_store(jd, NULL, src, d);
396 if (src->type == TYPE_LNG)
397 d = codegen_reg_of_var(rd, 0, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
399 d = codegen_reg_of_var(rd, 0, src, REG_IFTMP);
400 if ((src->varkind != STACKVAR)) {
402 if (IS_FLT_DBL_TYPE(s2)) {
403 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
404 s1 = rd->interfaces[len][s2].regoff;
407 if (IS_2_WORD_TYPE(s2)) {
409 rd->interfaces[len][s2].regoff * 4);
412 rd->interfaces[len][s2].regoff * 4);
416 emit_store(jd, NULL, src, d);
419 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
420 s1 = rd->interfaces[len][s2].regoff;
421 if (IS_2_WORD_TYPE(s2))
426 if (IS_2_WORD_TYPE(s2))
428 rd->interfaces[len][s2].regoff * 4);
431 rd->interfaces[len][s2].regoff * 4);
434 emit_store(jd, NULL, src, d);
441 #if defined(ENABLE_LSRA)
444 /* walk through all instructions */
450 for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) {
451 if (iptr->line != currentline) {
452 dseg_addlinenumber(cd, iptr->line);
453 currentline = iptr->line;
456 MCODECHECK(64); /* an instruction usually needs < 64 words */
459 case ICMD_NOP: /* ... ==> ... */
460 case ICMD_INLINE_START:
461 case ICMD_INLINE_END:
464 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
466 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
469 codegen_add_nullpointerexception_ref(cd);
472 /* constant operations ************************************************/
474 case ICMD_ICONST: /* ... ==> ..., constant */
475 /* op1 = 0, val.i = constant */
477 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
478 ICONST(d, iptr->val.i);
479 emit_store(jd, iptr, iptr->dst, d);
482 case ICMD_LCONST: /* ... ==> ..., constant */
483 /* op1 = 0, val.l = constant */
485 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
486 LCONST(d, iptr->val.l);
487 emit_store(jd, iptr, iptr->dst, d);
490 case ICMD_FCONST: /* ... ==> ..., constant */
491 /* op1 = 0, val.f = constant */
493 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
494 a = dseg_addfloat(cd, iptr->val.f);
496 emit_store(jd, iptr, iptr->dst, d);
499 case ICMD_DCONST: /* ... ==> ..., constant */
500 /* op1 = 0, val.d = constant */
502 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
503 a = dseg_adddouble(cd, iptr->val.d);
505 emit_store(jd, iptr, iptr->dst, d);
508 case ICMD_ACONST: /* ... ==> ..., constant */
509 /* op1 = 0, val.a = constant */
511 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
512 disp = dseg_addaddress(cd, iptr->val.a);
514 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
515 codegen_addpatchref(cd, PATCHER_aconst,
516 ICMD_ACONST_UNRESOLVED_CLASSREF(iptr),
519 if (opt_showdisassemble)
523 M_ALD(d, REG_PV, disp);
524 emit_store(jd, iptr, iptr->dst, d);
528 /* load/store operations **********************************************/
530 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
531 case ICMD_ALOAD: /* op1 = local variable */
533 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
534 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
535 if ((iptr->dst->varkind == LOCALVAR) &&
536 (iptr->dst->varnum == iptr->op1))
538 if (var->flags & INMEMORY)
539 M_ILD(d, REG_SP, var->regoff * 4);
541 M_INTMOVE(var->regoff, d);
542 emit_store(jd, iptr, iptr->dst, d);
545 case ICMD_LLOAD: /* ... ==> ..., content of local variable */
546 /* op1 = local variable */
548 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
549 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
550 if ((iptr->dst->varkind == LOCALVAR) &&
551 (iptr->dst->varnum == iptr->op1))
553 if (var->flags & INMEMORY)
554 M_LLD(d, REG_SP, var->regoff * 4);
556 M_LNGMOVE(var->regoff, d);
557 emit_store(jd, iptr, iptr->dst, d);
560 case ICMD_FLOAD: /* ... ==> ..., content of local variable */
561 /* op1 = local variable */
563 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
564 if ((iptr->dst->varkind == LOCALVAR) &&
565 (iptr->dst->varnum == iptr->op1))
567 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
568 if (var->flags & INMEMORY)
569 M_FLD(d, REG_SP, var->regoff * 4);
571 M_FLTMOVE(var->regoff, d);
572 emit_store(jd, iptr, iptr->dst, d);
575 case ICMD_DLOAD: /* ... ==> ..., content of local variable */
576 /* op1 = local variable */
578 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
579 if ((iptr->dst->varkind == LOCALVAR) &&
580 (iptr->dst->varnum == iptr->op1))
582 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
583 if (var->flags & INMEMORY)
584 M_DLD(d, REG_SP, var->regoff * 4);
586 M_FLTMOVE(var->regoff, d);
587 emit_store(jd, iptr, iptr->dst, d);
591 case ICMD_ISTORE: /* ..., value ==> ... */
592 case ICMD_ASTORE: /* op1 = local variable */
594 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
596 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
597 if (var->flags & INMEMORY) {
598 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
599 M_IST(s1, REG_SP, var->regoff * 4);
601 s1 = emit_load_s1(jd, iptr, src, var->regoff);
602 M_INTMOVE(s1, var->regoff);
606 case ICMD_LSTORE: /* ..., value ==> ... */
607 /* op1 = local variable */
609 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
611 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
612 if (var->flags & INMEMORY) {
613 s1 = emit_load_s1(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
614 M_LST(s1, REG_SP, var->regoff * 4);
616 s1 = emit_load_s1(jd, iptr, src, var->regoff);
617 M_LNGMOVE(s1, var->regoff);
621 case ICMD_FSTORE: /* ..., value ==> ... */
622 /* op1 = local variable */
624 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
626 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
627 if (var->flags & INMEMORY) {
628 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
629 M_FST(s1, REG_SP, var->regoff * 4);
631 s1 = emit_load_s1(jd, iptr, src, var->regoff);
632 M_FLTMOVE(s1, var->regoff);
636 case ICMD_DSTORE: /* ..., value ==> ... */
637 /* op1 = local variable */
639 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
641 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
642 if (var->flags & INMEMORY) {
643 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
644 M_DST(s1, REG_SP, var->regoff * 4);
646 s1 = emit_load_s1(jd, iptr, src, var->regoff);
647 M_FLTMOVE(s1, var->regoff);
652 /* pop/dup/swap operations ********************************************/
654 /* attention: double and longs are only one entry in CACAO ICMDs */
656 case ICMD_POP: /* ..., value ==> ... */
657 case ICMD_POP2: /* ..., value, value ==> ... */
660 case ICMD_DUP: /* ..., a ==> ..., a, a */
661 M_COPY(src, iptr->dst);
664 case ICMD_DUP_X1: /* ..., a, b ==> ..., b, a, b */
666 M_COPY(src, iptr->dst);
667 M_COPY(src->prev, iptr->dst->prev);
668 M_COPY(iptr->dst, iptr->dst->prev->prev);
671 case ICMD_DUP_X2: /* ..., a, b, c ==> ..., c, a, b, c */
673 M_COPY(src, iptr->dst);
674 M_COPY(src->prev, iptr->dst->prev);
675 M_COPY(src->prev->prev, iptr->dst->prev->prev);
676 M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
679 case ICMD_DUP2: /* ..., a, b ==> ..., a, b, a, b */
681 M_COPY(src, iptr->dst);
682 M_COPY(src->prev, iptr->dst->prev);
685 case ICMD_DUP2_X1: /* ..., a, b, c ==> ..., b, c, a, b, c */
687 M_COPY(src, iptr->dst);
688 M_COPY(src->prev, iptr->dst->prev);
689 M_COPY(src->prev->prev, iptr->dst->prev->prev);
690 M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
691 M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev);
694 case ICMD_DUP2_X2: /* ..., a, b, c, d ==> ..., c, d, a, b, c, d */
696 M_COPY(src, iptr->dst);
697 M_COPY(src->prev, iptr->dst->prev);
698 M_COPY(src->prev->prev, iptr->dst->prev->prev);
699 M_COPY(src->prev->prev->prev, iptr->dst->prev->prev->prev);
700 M_COPY(iptr->dst, iptr->dst->prev->prev->prev->prev);
701 M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev->prev);
704 case ICMD_SWAP: /* ..., a, b ==> ..., b, a */
706 M_COPY(src, iptr->dst->prev);
707 M_COPY(src->prev, iptr->dst);
711 /* integer operations *************************************************/
713 case ICMD_INEG: /* ..., value ==> ..., - value */
715 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
716 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
718 emit_store(jd, iptr, iptr->dst, d);
721 case ICMD_LNEG: /* ..., value ==> ..., - value */
723 s1 = emit_load_s1(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
724 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
725 M_SUBFIC(GET_LOW_REG(s1), 0, GET_LOW_REG(d));
726 M_SUBFZE(GET_HIGH_REG(s1), GET_HIGH_REG(d));
727 emit_store(jd, iptr, iptr->dst, d);
730 case ICMD_I2L: /* ..., value ==> ..., value */
732 s1 = emit_load_s1(jd, iptr, src, REG_ITMP2);
733 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
734 M_INTMOVE(s1, GET_LOW_REG(d));
735 M_SRA_IMM(GET_LOW_REG(d), 31, GET_HIGH_REG(d));
736 emit_store(jd, iptr, iptr->dst, d);
739 case ICMD_L2I: /* ..., value ==> ..., value */
741 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP2);
742 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
744 emit_store(jd, iptr, iptr->dst, d);
747 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
749 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
750 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
752 emit_store(jd, iptr, iptr->dst, d);
755 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
757 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
758 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
760 emit_store(jd, iptr, iptr->dst, d);
763 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
765 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
766 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
768 emit_store(jd, iptr, iptr->dst, d);
772 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
774 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
775 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
776 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
778 emit_store(jd, iptr, iptr->dst, d);
781 case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
782 /* val.i = constant */
784 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
785 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
786 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
787 M_IADD_IMM(s1, iptr->val.i, d);
789 ICONST(REG_ITMP2, iptr->val.i);
790 M_IADD(s1, REG_ITMP2, d);
792 emit_store(jd, iptr, iptr->dst, d);
795 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
797 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
798 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
799 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
800 M_ADDC(s1, s2, GET_LOW_REG(d));
801 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
802 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP3); /* don't use REG_ITMP2 */
803 M_ADDE(s1, s2, GET_HIGH_REG(d));
804 emit_store(jd, iptr, iptr->dst, d);
807 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
808 /* val.l = constant */
810 s3 = iptr->val.l & 0xffffffff;
811 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
812 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
813 if ((s3 >= -32768) && (s3 <= 32767)) {
814 M_ADDIC(s1, s3, GET_LOW_REG(d));
816 ICONST(REG_ITMP2, s3);
817 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
819 s1 = emit_load_s1_high(jd, iptr, src, REG_ITMP1);
820 s3 = iptr->val.l >> 32;
822 M_ADDME(s1, GET_HIGH_REG(d));
823 } else if (s3 == 0) {
824 M_ADDZE(s1, GET_HIGH_REG(d));
826 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
827 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
829 emit_store(jd, iptr, iptr->dst, d);
832 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
834 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
835 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
836 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
838 emit_store(jd, iptr, iptr->dst, d);
841 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
842 /* val.i = constant */
844 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
845 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
846 if ((iptr->val.i >= -32767) && (iptr->val.i <= 32768)) {
847 M_IADD_IMM(s1, -iptr->val.i, d);
849 ICONST(REG_ITMP2, -iptr->val.i);
850 M_IADD(s1, REG_ITMP2, d);
852 emit_store(jd, iptr, iptr->dst, d);
855 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
857 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
858 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
859 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
860 M_SUBC(s1, s2, GET_LOW_REG(d));
861 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
862 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP3); /* don't use REG_ITMP2 */
863 M_SUBE(s1, s2, GET_HIGH_REG(d));
864 emit_store(jd, iptr, iptr->dst, d);
867 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
868 /* val.l = constant */
870 s3 = (-iptr->val.l) & 0xffffffff;
871 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
872 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
873 if ((s3 >= -32768) && (s3 <= 32767)) {
874 M_ADDIC(s1, s3, GET_LOW_REG(d));
876 ICONST(REG_ITMP2, s3);
877 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
879 s1 = emit_load_s1_high(jd, iptr, src, REG_ITMP1);
880 s3 = (-iptr->val.l) >> 32;
882 M_ADDME(s1, GET_HIGH_REG(d));
884 M_ADDZE(s1, GET_HIGH_REG(d));
886 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
887 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
889 emit_store(jd, iptr, iptr->dst, d);
892 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
894 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
895 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
896 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
899 codegen_add_arithmeticexception_ref(cd);
900 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
901 M_CMP(REG_ITMP3, s1);
902 M_BNE(3 + (s1 != d));
904 M_BNE(1 + (s1 != d));
908 emit_store(jd, iptr, iptr->dst, d);
911 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
913 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
914 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
915 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
918 codegen_add_arithmeticexception_ref(cd);
919 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
920 M_CMP(REG_ITMP3, s1);
926 M_IDIV(s1, s2, REG_ITMP3);
927 M_IMUL(REG_ITMP3, s2, REG_ITMP3);
928 M_ISUB(s1, REG_ITMP3, d);
929 emit_store(jd, iptr, iptr->dst, d);
932 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
933 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
938 s2 = emit_load_s2(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
939 M_OR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
941 codegen_add_arithmeticexception_ref(cd);
943 disp = dseg_addaddress(cd, bte->fp);
944 M_ALD(REG_ITMP3, REG_PV, disp);
947 s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[1].regoff)],
948 rd->argintregs[GET_HIGH_REG(md->params[1].regoff)]);
951 s1 = emit_load_s1(jd, iptr, src->prev, PACK_REGS(REG_ITMP2, REG_ITMP1));
952 s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[0].regoff)],
953 rd->argintregs[GET_HIGH_REG(md->params[0].regoff)]);
958 /*d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_RESULT2, REG_RESULT)); //FIXME */
959 /*M_LNGMOVE(PACK_REGS(REG_RESULT2, REG_RESULT), d); FIXME*/
960 emit_store(jd, iptr, iptr->dst, d);
963 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
965 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
966 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
967 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
969 emit_store(jd, iptr, iptr->dst, d);
972 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
973 /* val.i = constant */
975 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
976 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
977 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
978 M_IMUL_IMM(s1, iptr->val.i, d);
980 ICONST(REG_ITMP3, iptr->val.i);
981 M_IMUL(s1, REG_ITMP3, d);
983 emit_store(jd, iptr, iptr->dst, d);
986 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
988 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
989 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP3);
990 M_SRA_IMM(s1, iptr->val.i, d);
992 emit_store(jd, iptr, iptr->dst, d);
995 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
997 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
998 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
999 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1000 M_AND_IMM(s2, 0x1f, REG_ITMP3);
1001 M_SLL(s1, REG_ITMP3, d);
1002 emit_store(jd, iptr, iptr->dst, d);
1005 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
1006 /* val.i = constant */
1008 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1009 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1010 M_SLL_IMM(s1, iptr->val.i & 0x1f, d);
1011 emit_store(jd, iptr, iptr->dst, d);
1014 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
1016 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1017 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1018 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1019 M_AND_IMM(s2, 0x1f, REG_ITMP3);
1020 M_SRA(s1, REG_ITMP3, d);
1021 emit_store(jd, iptr, iptr->dst, d);
1024 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
1025 /* val.i = constant */
1027 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1028 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1029 M_SRA_IMM(s1, iptr->val.i & 0x1f, d);
1030 emit_store(jd, iptr, iptr->dst, d);
1033 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
1035 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1036 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1037 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1038 M_AND_IMM(s2, 0x1f, REG_ITMP2);
1039 M_SRL(s1, REG_ITMP2, d);
1040 emit_store(jd, iptr, iptr->dst, d);
1043 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
1044 /* val.i = constant */
1046 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1047 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1048 if (iptr->val.i & 0x1f) {
1049 M_SRL_IMM(s1, iptr->val.i & 0x1f, d);
1053 emit_store(jd, iptr, iptr->dst, d);
1056 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
1058 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1059 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1060 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1062 emit_store(jd, iptr, iptr->dst, d);
1065 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
1066 /* val.i = constant */
1068 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1069 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1070 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1071 M_AND_IMM(s1, iptr->val.i, d);
1074 else if (iptr->val.i == 0xffffff) {
1075 M_RLWINM(s1, 0, 8, 31, d);
1079 ICONST(REG_ITMP3, iptr->val.i);
1080 M_AND(s1, REG_ITMP3, d);
1082 emit_store(jd, iptr, iptr->dst, d);
1085 case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
1087 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
1088 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
1089 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1090 M_AND(s1, s2, GET_LOW_REG(d));
1091 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
1092 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP3); /* don't use REG_ITMP2 */
1093 M_AND(s1, s2, GET_HIGH_REG(d));
1094 emit_store(jd, iptr, iptr->dst, d);
1097 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
1098 /* val.l = constant */
1100 s3 = iptr->val.l & 0xffffffff;
1101 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
1102 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1103 if ((s3 >= 0) && (s3 <= 65535)) {
1104 M_AND_IMM(s1, s3, GET_LOW_REG(d));
1106 ICONST(REG_ITMP3, s3);
1107 M_AND(s1, REG_ITMP3, GET_LOW_REG(d));
1109 s1 = emit_load_s1_high(jd, iptr, src, REG_ITMP1);
1110 s3 = iptr->val.l >> 32;
1111 if ((s3 >= 0) && (s3 <= 65535)) {
1112 M_AND_IMM(s1, s3, GET_HIGH_REG(d));
1114 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1115 M_AND(s1, REG_ITMP3, GET_HIGH_REG(d));
1117 emit_store(jd, iptr, iptr->dst, d);
1120 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
1121 /* val.i = constant */
1123 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1124 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1125 M_MOV(s1, REG_ITMP2);
1127 M_BGE(1 + 2*(iptr->val.i >= 32768));
1128 if (iptr->val.i >= 32768) {
1129 M_ADDIS(REG_ZERO, iptr->val.i >> 16, REG_ITMP2);
1130 M_OR_IMM(REG_ITMP2, iptr->val.i, REG_ITMP2);
1131 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1133 M_IADD_IMM(s1, iptr->val.i, REG_ITMP2);
1136 int b=0, m = iptr->val.i;
1139 M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
1141 M_ISUB(s1, REG_ITMP2, d);
1142 emit_store(jd, iptr, iptr->dst, d);
1145 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1147 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1148 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1149 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1151 emit_store(jd, iptr, iptr->dst, d);
1154 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
1155 /* val.i = constant */
1157 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1158 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1159 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1160 M_OR_IMM(s1, iptr->val.i, d);
1162 ICONST(REG_ITMP3, iptr->val.i);
1163 M_OR(s1, REG_ITMP3, d);
1165 emit_store(jd, iptr, iptr->dst, d);
1168 case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1170 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
1171 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
1172 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1173 M_OR(s1, s2, GET_LOW_REG(d));
1174 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
1175 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP3); /* don't use REG_ITMP2 */
1176 M_OR(s1, s2, GET_HIGH_REG(d));
1177 emit_store(jd, iptr, iptr->dst, d);
1180 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
1181 /* val.l = constant */
1183 s3 = iptr->val.l & 0xffffffff;
1184 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
1185 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1186 if ((s3 >= 0) && (s3 <= 65535)) {
1187 M_OR_IMM(s1, s3, GET_LOW_REG(d));
1189 ICONST(REG_ITMP3, s3);
1190 M_OR(s1, REG_ITMP3, GET_LOW_REG(d));
1192 s1 = emit_load_s1_high(jd, iptr, src, REG_ITMP1);
1193 s3 = iptr->val.l >> 32;
1194 if ((s3 >= 0) && (s3 <= 65535)) {
1195 M_OR_IMM(s1, s3, GET_HIGH_REG(d));
1197 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1198 M_OR(s1, REG_ITMP3, GET_HIGH_REG(d));
1200 emit_store(jd, iptr, iptr->dst, d);
1203 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1205 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1206 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1207 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1209 emit_store(jd, iptr, iptr->dst, d);
1212 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
1213 /* val.i = constant */
1215 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1216 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1217 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1218 M_XOR_IMM(s1, iptr->val.i, d);
1220 ICONST(REG_ITMP3, iptr->val.i);
1221 M_XOR(s1, REG_ITMP3, d);
1223 emit_store(jd, iptr, iptr->dst, d);
1226 case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1228 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
1229 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
1230 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1231 M_XOR(s1, s2, GET_LOW_REG(d));
1232 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
1233 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP3); /* don't use REG_ITMP2 */
1234 M_XOR(s1, s2, GET_HIGH_REG(d));
1235 emit_store(jd, iptr, iptr->dst, d);
1238 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
1239 /* val.l = constant */
1241 s3 = iptr->val.l & 0xffffffff;
1242 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
1243 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1244 if ((s3 >= 0) && (s3 <= 65535)) {
1245 M_XOR_IMM(s1, s3, GET_LOW_REG(d));
1247 ICONST(REG_ITMP3, s3);
1248 M_XOR(s1, REG_ITMP3, GET_LOW_REG(d));
1250 s1 = emit_load_s1_high(jd, iptr, src, REG_ITMP1);
1251 s3 = iptr->val.l >> 32;
1252 if ((s3 >= 0) && (s3 <= 65535)) {
1253 M_XOR_IMM(s1, s3, GET_HIGH_REG(d));
1255 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1256 M_XOR(s1, REG_ITMP3, GET_HIGH_REG(d));
1258 emit_store(jd, iptr, iptr->dst, d);
1261 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
1262 /*******************************************************************
1263 TODO: CHANGE THIS TO A VERSION THAT WORKS !!!
1264 *******************************************************************/
1265 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP3);
1266 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
1267 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
1269 int tempreg = false;
1273 if (src->prev->flags & INMEMORY) {
1274 tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
1276 tempreg = tempreg || (d == GET_HIGH_REG(src->prev->regoff))
1277 || (d == GET_LOW_REG(src->prev->regoff));
1279 if (src->flags & INMEMORY) {
1280 tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
1282 tempreg = tempreg || (d == GET_HIGH_REG(src->regoff))
1283 || (d == GET_LOW_REG(src->regoff));
1286 dreg = tempreg ? REG_ITMP1 : d;
1287 M_IADD_IMM(REG_ZERO, 1, dreg);
1292 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP3);
1293 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
1297 M_IADD_IMM(dreg, -1, dreg);
1298 M_IADD_IMM(dreg, -1, dreg);
1299 gen_resolvebranch(br1, br1, cd->mcodeptr);
1300 gen_resolvebranch(br1 + 1 * 4, br1 + 1 * 4, cd->mcodeptr - 2 * 4);
1303 emit_store(jd, iptr, iptr->dst, d);
1306 case ICMD_IINC: /* ..., value ==> ..., value + constant */
1307 /* op1 = variable, val.i = constant */
1309 var = &(rd->locals[iptr->op1][TYPE_INT]);
1310 if (var->flags & INMEMORY) {
1312 M_ILD(s1, REG_SP, var->regoff * 4);
1320 M_ADDIS(s1, m >> 16, s1);
1322 M_IADD_IMM(s1, m & 0xffff, s1);
1324 if (var->flags & INMEMORY)
1325 M_IST(s1, REG_SP, var->regoff * 4);
1329 /* floating operations ************************************************/
1331 case ICMD_FNEG: /* ..., value ==> ..., - value */
1333 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
1334 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1336 emit_store(jd, iptr, iptr->dst, d);
1339 case ICMD_DNEG: /* ..., value ==> ..., - value */
1341 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
1342 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1344 emit_store(jd, iptr, iptr->dst, d);
1347 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1349 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1350 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1351 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1353 emit_store(jd, iptr, iptr->dst, d);
1356 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1358 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1359 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1360 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1362 emit_store(jd, iptr, iptr->dst, d);
1365 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1367 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1368 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1369 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1371 emit_store(jd, iptr, iptr->dst, d);
1374 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1376 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1377 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1378 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1380 emit_store(jd, iptr, iptr->dst, d);
1383 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1385 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1386 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1387 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1389 emit_store(jd, iptr, iptr->dst, d);
1392 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1394 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1395 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1396 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1398 emit_store(jd, iptr, iptr->dst, d);
1401 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1403 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1404 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1405 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1407 emit_store(jd, iptr, iptr->dst, d);
1410 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1412 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1413 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1414 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1416 emit_store(jd, iptr, iptr->dst, d);
1419 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1422 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
1423 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1425 disp = dseg_addfloat(cd, 0.0);
1426 M_FLD(REG_FTMP2, REG_PV, disp);
1427 M_FCMPU(s1, REG_FTMP2);
1429 disp = dseg_adds4(cd, 0);
1430 M_CVTDL_C(s1, REG_FTMP1);
1431 M_LDA(REG_ITMP1, REG_PV, disp);
1432 M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
1433 M_ILD(d, REG_PV, disp);
1434 emit_store(jd, iptr, iptr->dst, d);
1437 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1439 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
1440 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1442 emit_store(jd, iptr, iptr->dst, d);
1445 case ICMD_D2F: /* ..., value ==> ..., (double) value */
1447 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
1448 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP3);
1450 emit_store(jd, iptr, iptr->dst, d);
1453 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1454 case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
1457 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1458 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1459 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
1461 M_IADD_IMM(REG_ZERO, -1, d);
1464 M_IADD_IMM(REG_ZERO, 0, d);
1466 M_IADD_IMM(REG_ZERO, 1, d);
1467 emit_store(jd, iptr, iptr->dst, d);
1470 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1471 case ICMD_DCMPG: /* == => 0, < => 1, > => -1 */
1473 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1474 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1475 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP1);
1477 M_IADD_IMM(REG_ZERO, 1, d);
1480 M_IADD_IMM(REG_ZERO, 0, d);
1482 M_IADD_IMM(REG_ZERO, -1, d);
1483 emit_store(jd, iptr, iptr->dst, d);
1486 case ICMD_IF_FCMPEQ: /* ..., value, value ==> ... */
1487 case ICMD_IF_DCMPEQ:
1489 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1490 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1494 codegen_addreference(cd, (basicblock *) iptr->target);
1497 case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
1498 case ICMD_IF_DCMPNE:
1500 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1501 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1504 codegen_addreference(cd, (basicblock *) iptr->target);
1506 codegen_addreference(cd, (basicblock *) iptr->target);
1510 case ICMD_IF_FCMPL_LT: /* ..., value, value ==> ... */
1511 case ICMD_IF_DCMPL_LT:
1513 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1514 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1517 codegen_addreference(cd, (basicblock *) iptr->target);
1519 codegen_addreference(cd, (basicblock *) iptr->target);
1522 case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
1523 case ICMD_IF_DCMPL_GT:
1525 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1526 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1530 codegen_addreference(cd, (basicblock *) iptr->target);
1533 case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
1534 case ICMD_IF_DCMPL_LE:
1536 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1537 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1540 codegen_addreference(cd, (basicblock *) iptr->target);
1542 codegen_addreference(cd, (basicblock *) iptr->target);
1545 case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
1546 case ICMD_IF_DCMPL_GE:
1548 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1549 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1553 codegen_addreference(cd, (basicblock *) iptr->target);
1556 case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
1557 case ICMD_IF_DCMPG_LT:
1559 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1560 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1564 codegen_addreference(cd, (basicblock *) iptr->target);
1567 case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
1568 case ICMD_IF_DCMPG_GT:
1570 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1571 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1574 codegen_addreference(cd, (basicblock *) iptr->target);
1576 codegen_addreference(cd, (basicblock *) iptr->target);
1579 case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
1580 case ICMD_IF_DCMPG_LE:
1582 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1583 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1587 codegen_addreference(cd, (basicblock *) iptr->target);
1590 case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
1591 case ICMD_IF_DCMPG_GE:
1593 s1 = emit_load_s1(jd, iptr, src->prev, REG_FTMP1);
1594 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1597 codegen_addreference(cd, (basicblock *) iptr->target);
1599 codegen_addreference(cd, (basicblock *) iptr->target);
1603 /* memory operations **************************************************/
1605 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1607 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1608 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1609 gen_nullptr_check(s1);
1610 M_ILD(d, s1, OFFSET(java_arrayheader, size));
1611 emit_store(jd, iptr, iptr->dst, d);
1614 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1616 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1617 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1618 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1619 if (iptr->op1 == 0) {
1620 gen_nullptr_check(s1);
1623 M_IADD_IMM(s2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1624 M_LBZX(d, s1, REG_ITMP2);
1626 emit_store(jd, iptr, iptr->dst, d);
1629 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1631 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1632 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1633 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1634 if (iptr->op1 == 0) {
1635 gen_nullptr_check(s1);
1638 M_SLL_IMM(s2, 1, REG_ITMP2);
1639 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1640 M_LHZX(d, s1, REG_ITMP2);
1641 emit_store(jd, iptr, iptr->dst, d);
1644 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1646 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1647 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1648 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1649 if (iptr->op1 == 0) {
1650 gen_nullptr_check(s1);
1653 M_SLL_IMM(s2, 1, REG_ITMP2);
1654 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1655 M_LHAX(d, s1, REG_ITMP2);
1656 emit_store(jd, iptr, iptr->dst, d);
1659 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1661 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1662 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1663 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1664 if (iptr->op1 == 0) {
1665 gen_nullptr_check(s1);
1668 M_SLL_IMM(s2, 2, REG_ITMP2);
1669 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1670 M_LWZX(d, s1, REG_ITMP2);
1671 emit_store(jd, iptr, iptr->dst, d);
1674 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1676 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1677 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1678 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1679 if (iptr->op1 == 0) {
1680 gen_nullptr_check(s1);
1683 M_SLL_IMM(s2, 3, REG_ITMP2);
1684 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1685 M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
1686 emit_store(jd, iptr, iptr->dst, d);
1689 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1691 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1692 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1693 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
1694 if (iptr->op1 == 0) {
1695 gen_nullptr_check(s1);
1698 M_SLL_IMM(s2, 2, REG_ITMP2);
1699 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1700 M_LFSX(d, s1, REG_ITMP2);
1701 emit_store(jd, iptr, iptr->dst, d);
1704 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1706 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1707 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1708 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
1709 if (iptr->op1 == 0) {
1710 gen_nullptr_check(s1);
1713 M_SLL_IMM(s2, 3, REG_ITMP2);
1714 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1715 M_LFDX(d, s1, REG_ITMP2);
1716 emit_store(jd, iptr, iptr->dst, d);
1719 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1721 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
1722 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1723 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1724 if (iptr->op1 == 0) {
1725 gen_nullptr_check(s1);
1728 M_SLL_IMM(s2, 2, REG_ITMP2);
1729 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1730 M_LWZX(d, s1, REG_ITMP2);
1731 emit_store(jd, iptr, iptr->dst, d);
1735 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1737 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1738 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1739 if (iptr->op1 == 0) {
1740 gen_nullptr_check(s1);
1743 s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
1744 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1745 M_STBX(s3, s1, REG_ITMP2);
1748 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1750 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1751 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1752 if (iptr->op1 == 0) {
1753 gen_nullptr_check(s1);
1756 s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
1757 M_SLL_IMM(s2, 1, REG_ITMP2);
1758 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1759 M_STHX(s3, s1, REG_ITMP2);
1762 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1764 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1765 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1766 if (iptr->op1 == 0) {
1767 gen_nullptr_check(s1);
1770 s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
1771 M_SLL_IMM(s2, 1, REG_ITMP2);
1772 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1773 M_STHX(s3, s1, REG_ITMP2);
1776 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1778 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1779 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1780 if (iptr->op1 == 0) {
1781 gen_nullptr_check(s1);
1784 s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
1785 M_SLL_IMM(s2, 2, REG_ITMP2);
1786 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1787 M_STWX(s3, s1, REG_ITMP2);
1790 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1792 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1793 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1794 if (iptr->op1 == 0) {
1795 gen_nullptr_check(s1);
1798 s3 = emit_load_s3_high(jd, iptr, src, REG_ITMP3);
1799 M_SLL_IMM(s2, 3, REG_ITMP2);
1800 M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
1801 M_STWX(s3, s1, REG_ITMP2);
1802 M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
1803 s3 = emit_load_s3_low(jd, iptr, src, REG_ITMP3);
1804 M_STWX(s3, s1, REG_ITMP2);
1807 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1809 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1810 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1811 if (iptr->op1 == 0) {
1812 gen_nullptr_check(s1);
1815 s3 = emit_load_s3(jd, iptr, src, REG_FTMP3);
1816 M_SLL_IMM(s2, 2, REG_ITMP2);
1817 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1818 M_STFSX(s3, s1, REG_ITMP2);
1821 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1823 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1824 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1825 if (iptr->op1 == 0) {
1826 gen_nullptr_check(s1);
1829 s3 = emit_load_s3(jd, iptr, src, REG_FTMP3);
1830 M_SLL_IMM(s2, 3, REG_ITMP2);
1831 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1832 M_STFDX(s3, s1, REG_ITMP2);
1835 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1837 s1 = emit_load_s1(jd, iptr, src->prev->prev, rd->argintregs[0]);
1838 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1839 if (iptr->op1 == 0) {
1840 gen_nullptr_check(s1);
1843 s3 = emit_load_s3(jd, iptr, src, rd->argintregs[1]);
1845 disp = dseg_addaddress(cd, BUILTIN_canstore);
1846 M_ALD(REG_ITMP3, REG_PV, disp);
1849 M_INTMOVE(s1, rd->argintregs[0]);
1850 M_INTMOVE(s3, rd->argintregs[1]);
1855 codegen_add_arraystoreexception_ref(cd);
1857 s1 = emit_load_s1(jd, iptr, src->prev->prev, REG_ITMP1);
1858 s2 = emit_load_s2(jd, iptr, src->prev, REG_ITMP2);
1859 s3 = emit_load_s3(jd, iptr, src, REG_ITMP3);
1860 M_SLL_IMM(s2, 2, REG_ITMP2);
1861 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1862 M_STWX(s3, s1, REG_ITMP2);
1866 case ICMD_GETSTATIC: /* ... ==> ..., value */
1867 /* op1 = type, val.a = field address */
1869 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1870 disp = dseg_addaddress(cd, NULL);
1872 codegen_addpatchref(cd, PATCHER_get_putstatic,
1873 INSTRUCTION_UNRESOLVED_FIELD(iptr), disp);
1875 if (opt_showdisassemble)
1879 fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
1881 disp = dseg_addaddress(cd, &(fi->value));
1883 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1884 codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
1886 if (opt_showdisassemble)
1891 M_ALD(REG_ITMP1, REG_PV, disp);
1892 switch (iptr->op1) {
1894 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1895 M_ILD_INTERN(d, REG_ITMP1, 0);
1898 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1899 M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
1900 M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
1903 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1904 M_ALD_INTERN(d, REG_ITMP1, 0);
1907 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
1908 M_FLD_INTERN(d, REG_ITMP1, 0);
1911 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
1912 M_DLD_INTERN(d, REG_ITMP1, 0);
1915 emit_store(jd, iptr, iptr->dst, d);
1918 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1919 /* op1 = type, val.a = field address */
1922 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1923 disp = dseg_addaddress(cd, NULL);
1925 codegen_addpatchref(cd, PATCHER_get_putstatic,
1926 INSTRUCTION_UNRESOLVED_FIELD(iptr), disp);
1928 if (opt_showdisassemble)
1932 fieldinfo *fi = INSTRUCTION_RESOLVED_FIELDINFO(iptr);
1934 disp = dseg_addaddress(cd, &(fi->value));
1936 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1937 codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
1939 if (opt_showdisassemble)
1944 M_ALD(REG_ITMP1, REG_PV, disp);
1945 switch (iptr->op1) {
1947 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1948 M_IST_INTERN(s2, REG_ITMP1, 0);
1951 s2 = emit_load_s2(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP3));
1952 M_LST_INTERN(s2, REG_ITMP1, 0);
1955 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
1956 M_AST_INTERN(s2, REG_ITMP1, 0);
1959 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1960 M_FST_INTERN(s2, REG_ITMP1, 0);
1963 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
1964 M_DST_INTERN(s2, REG_ITMP1, 0);
1970 case ICMD_GETFIELD: /* ... ==> ..., value */
1971 /* op1 = type, val.i = field offset */
1973 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
1974 gen_nullptr_check(s1);
1976 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1977 codegen_addpatchref(cd, PATCHER_get_putfield,
1978 INSTRUCTION_UNRESOLVED_FIELD(iptr), 0);
1980 if (opt_showdisassemble)
1986 disp = INSTRUCTION_RESOLVED_FIELDINFO(iptr)->offset;
1989 switch (iptr->op1) {
1991 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
1995 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1996 if (GET_HIGH_REG(d) == s1) {
1997 M_ILD(GET_LOW_REG(d), s1, disp + 4);
1998 M_ILD(GET_HIGH_REG(d), s1, disp);
2000 M_ILD(GET_HIGH_REG(d), s1, disp);
2001 M_ILD(GET_LOW_REG(d), s1, disp + 4);
2005 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
2009 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
2013 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FTMP1);
2017 emit_store(jd, iptr, iptr->dst, d);
2020 case ICMD_PUTFIELD: /* ..., value ==> ... */
2021 /* op1 = type, val.i = field offset */
2023 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2024 gen_nullptr_check(s1);
2026 if (!IS_FLT_DBL_TYPE(iptr->op1)) {
2027 if (IS_2_WORD_TYPE(iptr->op1)) {
2028 s2 = emit_load_s2(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP3));
2030 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2033 s2 = emit_load_s2(jd, iptr, src, REG_FTMP2);
2036 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2037 codegen_addpatchref(cd, PATCHER_get_putfield,
2038 INSTRUCTION_UNRESOLVED_FIELD(iptr), 0);
2040 if (opt_showdisassemble)
2046 disp = INSTRUCTION_RESOLVED_FIELDINFO(iptr)->offset;
2049 switch (iptr->op1) {
2051 M_IST(s2, s1, disp);
2054 M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
2055 M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
2058 M_AST(s2, s1, disp);
2061 M_FST(s2, s1, disp);
2064 M_DST(s2, s1, disp);
2070 /* branch operations **************************************************/
2072 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
2074 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2075 M_INTMOVE(s1, REG_ITMP1_XPTR);
2077 #ifdef ENABLE_VERIFIER
2079 codegen_addpatchref(cd, PATCHER_athrow_areturn,
2080 (unresolved_class *) iptr->val.a, 0);
2082 if (opt_showdisassemble)
2085 #endif /* ENABLE_VERIFIER */
2087 disp = dseg_addaddress(cd, asm_handle_exception);
2088 M_ALD(REG_ITMP2, REG_PV, disp);
2091 if (code->isleafmethod) M_MFLR(REG_ITMP3); /* save LR */
2092 M_BL(0); /* get current PC */
2093 M_MFLR(REG_ITMP2_XPC);
2094 if (code->isleafmethod) M_MTLR(REG_ITMP3); /* restore LR */
2095 M_RTS; /* jump to CTR */
2100 case ICMD_GOTO: /* ... ==> ... */
2101 /* op1 = target JavaVM pc */
2103 codegen_addreference(cd, (basicblock *) iptr->target);
2107 case ICMD_JSR: /* ... ==> ... */
2108 /* op1 = target JavaVM pc */
2110 if (code->isleafmethod)
2114 M_IADD_IMM(REG_ITMP1, code->isleafmethod ? 4*4 : 3*4, REG_ITMP1);
2115 if (code->isleafmethod)
2118 codegen_addreference(cd, (basicblock *) iptr->target);
2121 case ICMD_RET: /* ... ==> ... */
2122 /* op1 = local variable */
2124 var = &(rd->locals[iptr->op1][TYPE_ADR]);
2125 if (var->flags & INMEMORY) {
2126 M_ALD(REG_ITMP1, REG_SP, var->regoff * 4);
2129 M_MTCTR(var->regoff);
2135 case ICMD_IFNULL: /* ..., value ==> ... */
2136 /* op1 = target JavaVM pc */
2138 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2141 codegen_addreference(cd, (basicblock *) iptr->target);
2144 case ICMD_IFNONNULL: /* ..., value ==> ... */
2145 /* op1 = target JavaVM pc */
2147 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2150 codegen_addreference(cd, (basicblock *) iptr->target);
2158 case ICMD_IFEQ: /* ..., value ==> ... */
2159 /* op1 = target JavaVM pc, val.i = constant */
2161 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2162 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767))
2163 M_CMPI(s1, iptr->val.i);
2165 ICONST(REG_ITMP2, iptr->val.i);
2166 M_CMP(s1, REG_ITMP2);
2168 switch (iptr->opc) {
2188 codegen_addreference(cd, (basicblock *) iptr->target);
2192 case ICMD_IF_LEQ: /* ..., value ==> ... */
2193 /* op1 = target JavaVM pc, val.l = constant */
2195 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2196 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2197 if (iptr->val.l == 0) {
2198 M_OR_TST(s1, s2, REG_ITMP3);
2199 } else if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2200 M_XOR_IMM(s2, 0, REG_ITMP2);
2201 M_XOR_IMM(s1, iptr->val.l & 0xffff, REG_ITMP1);
2202 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
2204 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2205 M_XOR(s1, REG_ITMP3, REG_ITMP1);
2206 ICONST(REG_ITMP3, iptr->val.l >> 32);
2207 M_XOR(s2, REG_ITMP3, REG_ITMP2);
2208 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
2211 codegen_addreference(cd, (basicblock *) iptr->target);
2214 case ICMD_IF_LLT: /* ..., value ==> ... */
2215 /* op1 = target JavaVM pc, val.l = constant */
2216 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2217 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2218 if (iptr->val.l == 0) {
2219 /* if high word is less than zero, the whole long is too */
2221 } else if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2224 codegen_addreference(cd, (basicblock *) iptr->target);
2226 M_CMPUI(s1, iptr->val.l & 0xffff);
2228 ICONST(REG_ITMP3, iptr->val.l >> 32);
2229 M_CMP(s2, REG_ITMP3);
2231 codegen_addreference(cd, (basicblock *) iptr->target);
2233 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2234 M_CMPU(s1, REG_ITMP3);
2237 codegen_addreference(cd, (basicblock *) iptr->target);
2240 case ICMD_IF_LLE: /* ..., value ==> ... */
2241 /* op1 = target JavaVM pc, val.l = constant */
2243 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2244 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2245 /* if (iptr->val.l == 0) { */
2246 /* M_OR(s1, s2, REG_ITMP3); */
2247 /* M_CMPI(REG_ITMP3, 0); */
2250 if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2253 codegen_addreference(cd, (basicblock *) iptr->target);
2255 M_CMPUI(s1, iptr->val.l & 0xffff);
2257 ICONST(REG_ITMP3, iptr->val.l >> 32);
2258 M_CMP(s2, REG_ITMP3);
2260 codegen_addreference(cd, (basicblock *) iptr->target);
2262 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2263 M_CMPU(s1, REG_ITMP3);
2266 codegen_addreference(cd, (basicblock *) iptr->target);
2269 case ICMD_IF_LNE: /* ..., value ==> ... */
2270 /* op1 = target JavaVM pc, val.l = constant */
2272 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2273 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2274 if (iptr->val.l == 0) {
2275 M_OR_TST(s1, s2, REG_ITMP3);
2276 } else if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2277 M_XOR_IMM(s2, 0, REG_ITMP2);
2278 M_XOR_IMM(s1, iptr->val.l & 0xffff, REG_ITMP1);
2279 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
2281 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2282 M_XOR(s1, REG_ITMP3, REG_ITMP1);
2283 ICONST(REG_ITMP3, iptr->val.l >> 32);
2284 M_XOR(s2, REG_ITMP3, REG_ITMP2);
2285 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
2288 codegen_addreference(cd, (basicblock *) iptr->target);
2291 case ICMD_IF_LGT: /* ..., value ==> ... */
2292 /* op1 = target JavaVM pc, val.l = constant */
2294 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2295 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2296 /* if (iptr->val.l == 0) { */
2297 /* M_OR(s1, s2, REG_ITMP3); */
2298 /* M_CMPI(REG_ITMP3, 0); */
2301 if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2304 codegen_addreference(cd, (basicblock *) iptr->target);
2306 M_CMPUI(s1, iptr->val.l & 0xffff);
2308 ICONST(REG_ITMP3, iptr->val.l >> 32);
2309 M_CMP(s2, REG_ITMP3);
2311 codegen_addreference(cd, (basicblock *) iptr->target);
2313 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2314 M_CMPU(s1, REG_ITMP3);
2317 codegen_addreference(cd, (basicblock *) iptr->target);
2320 case ICMD_IF_LGE: /* ..., value ==> ... */
2321 /* op1 = target JavaVM pc, val.l = constant */
2323 s1 = emit_load_s1_low(jd, iptr, src, REG_ITMP1);
2324 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2325 if (iptr->val.l == 0) {
2326 /* if high word is greater equal zero, the whole long is too */
2328 } else if ((iptr->val.l >= 0) && (iptr->val.l <= 0xffff)) {
2331 codegen_addreference(cd, (basicblock *) iptr->target);
2333 M_CMPUI(s1, iptr->val.l & 0xffff);
2335 ICONST(REG_ITMP3, iptr->val.l >> 32);
2336 M_CMP(s2, REG_ITMP3);
2338 codegen_addreference(cd, (basicblock *) iptr->target);
2340 ICONST(REG_ITMP3, iptr->val.l & 0xffffffff);
2341 M_CMPU(s1, REG_ITMP3);
2344 codegen_addreference(cd, (basicblock *) iptr->target);
2347 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
2348 case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
2350 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2351 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2354 codegen_addreference(cd, (basicblock *) iptr->target);
2357 case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
2358 /* op1 = target JavaVM pc */
2360 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2361 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2363 /* load low-bits before the branch, so we know the distance */
2364 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2365 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2369 codegen_addreference(cd, (basicblock *) iptr->target);
2372 case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
2373 case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
2375 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2376 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2379 codegen_addreference(cd, (basicblock *) iptr->target);
2382 case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
2383 /* op1 = target JavaVM pc */
2385 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2386 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2389 codegen_addreference(cd, (basicblock *) iptr->target);
2390 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2391 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2394 codegen_addreference(cd, (basicblock *) iptr->target);
2397 case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
2398 /* op1 = target JavaVM pc */
2400 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2401 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2404 codegen_addreference(cd, (basicblock *) iptr->target);
2407 case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
2408 /* op1 = target JavaVM pc */
2410 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2411 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2414 codegen_addreference(cd, (basicblock *) iptr->target);
2415 /* load low-bits before the branch, so we know the distance */
2416 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2417 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2421 codegen_addreference(cd, (basicblock *) iptr->target);
2424 case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
2425 /* op1 = target JavaVM pc */
2427 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2428 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2431 codegen_addreference(cd, (basicblock *) iptr->target);
2434 case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
2435 /* op1 = target JavaVM pc */
2437 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2438 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2441 codegen_addreference(cd, (basicblock *) iptr->target);
2442 /* load low-bits before the branch, so we know the distance */
2443 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2444 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2448 codegen_addreference(cd, (basicblock *) iptr->target);
2451 case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
2452 /* op1 = target JavaVM pc */
2454 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2455 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2458 codegen_addreference(cd, (basicblock *) iptr->target);
2461 case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
2462 /* op1 = target JavaVM pc */
2464 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2465 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2468 codegen_addreference(cd, (basicblock *) iptr->target);
2469 /* load low-bits before the branch, so we know the distance */
2470 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2471 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2475 codegen_addreference(cd, (basicblock *) iptr->target);
2478 case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
2479 /* op1 = target JavaVM pc */
2481 s1 = emit_load_s1(jd, iptr, src->prev, REG_ITMP1);
2482 s2 = emit_load_s2(jd, iptr, src, REG_ITMP2);
2485 codegen_addreference(cd, (basicblock *) iptr->target);
2488 case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
2489 /* op1 = target JavaVM pc */
2491 s1 = emit_load_s1_high(jd, iptr, src->prev, REG_ITMP1);
2492 s2 = emit_load_s2_high(jd, iptr, src, REG_ITMP2);
2495 codegen_addreference(cd, (basicblock *) iptr->target);
2496 /* load low-bits before the branch, so we know the distance */
2497 s1 = emit_load_s1_low(jd, iptr, src->prev, REG_ITMP1);
2498 s2 = emit_load_s2_low(jd, iptr, src, REG_ITMP2);
2502 codegen_addreference(cd, (basicblock *) iptr->target);
2505 case ICMD_IRETURN: /* ..., retvalue ==> ... */
2507 s1 = emit_load_s1(jd, iptr, src, REG_RESULT);
2508 M_INTMOVE(s1, REG_RESULT);
2509 goto nowperformreturn;
2511 case ICMD_ARETURN: /* ..., retvalue ==> ... */
2513 s1 = emit_load_s1(jd, iptr, src, REG_RESULT);
2514 M_INTMOVE(s1, REG_RESULT);
2516 #ifdef ENABLE_VERIFIER
2518 codegen_addpatchref(cd, PATCHER_athrow_areturn,
2519 (unresolved_class *) iptr->val.a, 0);
2521 if (opt_showdisassemble)
2524 #endif /* ENABLE_VERIFIER */
2525 goto nowperformreturn;
2527 case ICMD_LRETURN: /* ..., retvalue ==> ... */
2529 /*s1 = emit_load_s1(jd, iptr, src, PACK_REGS(REG_RESULT2, REG_RESULT)); FIXME*/
2530 /*M_LNGMOVE(s1, PACK_REGS(REG_RESULT2, REG_RESULT)); FIXME*/
2531 goto nowperformreturn;
2533 case ICMD_FRETURN: /* ..., retvalue ==> ... */
2536 s1 = emit_load_s1(jd, iptr, src, REG_FRESULT);
2537 M_FLTMOVE(s1, REG_FRESULT);
2538 goto nowperformreturn;
2540 case ICMD_RETURN: /* ... ==> ... */
2548 /* call trace function */
2550 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
2552 M_LDA(REG_SP, REG_SP, -10 * 8);
2553 M_DST(REG_FRESULT, REG_SP, 48+0);
2554 M_IST(REG_RESULT, REG_SP, 48+8);
2555 M_AST(REG_ZERO, REG_SP, 48+12);
2556 /*M_IST(REG_RESULT2, REG_SP, 48+16); FIXME*/
2558 /* keep this order */
2559 switch (iptr->opc) {
2562 #if defined(__DARWIN__)
2563 M_MOV(REG_RESULT, rd->argintregs[2]);
2564 M_CLR(rd->argintregs[1]);
2566 M_MOV(REG_RESULT, rd->argintregs[3]);
2567 M_CLR(rd->argintregs[2]);
2572 #if defined(__DARWIN__)
2573 /*M_MOV(REG_RESULT2, rd->argintregs[2]); FIXME */
2574 M_MOV(REG_RESULT, rd->argintregs[1]);
2576 /*M_MOV(REG_RESULT2, rd->argintregs[3]); FIXME*/
2577 M_MOV(REG_RESULT, rd->argintregs[2]);
2582 disp = dseg_addaddress(cd, m);
2583 M_ALD(rd->argintregs[0], REG_PV, disp);
2585 M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
2586 M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
2587 disp = dseg_addaddress(cd, builtin_displaymethodstop);
2588 M_ALD(REG_ITMP2, REG_PV, disp);
2592 M_DLD(REG_FRESULT, REG_SP, 48+0);
2593 M_ILD(REG_RESULT, REG_SP, 48+8);
2594 M_ALD(REG_ZERO, REG_SP, 48+12);
2595 /*M_ILD(REG_RESULT2, REG_SP, 48+16); FIXME*/
2596 M_LDA(REG_SP, REG_SP, 10 * 8);
2600 #if defined(ENABLE_THREADS)
2601 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2602 disp = dseg_addaddress(cd, BUILTIN_monitorexit);
2603 M_ALD(REG_ITMP3, REG_PV, disp);
2606 /* we need to save the proper return value */
2608 switch (iptr->opc) {
2610 /*M_IST(REG_RESULT2, REG_SP, rd->memuse * 4 + 8); FIXME*/
2614 M_IST(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
2617 M_FST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2620 M_DST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2624 M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 4);
2627 /* and now restore the proper return value */
2629 switch (iptr->opc) {
2631 /*M_ILD(REG_RESULT2, REG_SP, rd->memuse * 4 + 8); FIXME*/
2635 M_ILD(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
2638 M_FLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2641 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2647 /* restore return address */
2649 if (!code->isleafmethod) {
2650 /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
2651 may have a displacement overflow. */
2653 M_ALD(REG_ITMP1, REG_SP, p * 4 + LA_LR_OFFSET);
2657 /* restore saved registers */
2659 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2660 p--; M_ILD(rd->savintregs[i], REG_SP, p * 4);
2662 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2663 p -= 2; M_DLD(rd->savfltregs[i], REG_SP, p * 4);
2666 /* deallocate stack */
2669 M_LDA(REG_SP, REG_SP, stackframesize * 4);
2677 case ICMD_TABLESWITCH: /* ..., index ==> ... */
2682 tptr = (void **) iptr->target;
2684 s4ptr = iptr->val.a;
2685 l = s4ptr[1]; /* low */
2686 i = s4ptr[2]; /* high */
2688 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2690 M_INTMOVE(s1, REG_ITMP1);
2691 } else if (l <= 32768) {
2692 M_LDA(REG_ITMP1, s1, -l);
2694 ICONST(REG_ITMP2, l);
2695 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2701 M_CMPUI(REG_ITMP1, i - 1);
2703 codegen_addreference(cd, (basicblock *) tptr[0]);
2705 /* build jump table top down and use address of lowest entry */
2707 /* s4ptr += 3 + i; */
2711 dseg_addtarget(cd, (basicblock *) tptr[0]);
2716 /* length of dataseg after last dseg_addtarget is used by load */
2718 M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
2719 M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
2720 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2727 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
2729 s4 i, l, val, *s4ptr;
2732 tptr = (void **) iptr->target;
2734 s4ptr = iptr->val.a;
2735 l = s4ptr[0]; /* default */
2736 i = s4ptr[1]; /* count */
2738 MCODECHECK((i<<2)+8);
2739 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
2745 if ((val >= -32768) && (val <= 32767)) {
2748 a = dseg_adds4(cd, val);
2749 M_ILD(REG_ITMP2, REG_PV, a);
2750 M_CMP(s1, REG_ITMP2);
2753 codegen_addreference(cd, (basicblock *) tptr[0]);
2757 tptr = (void **) iptr->target;
2758 codegen_addreference(cd, (basicblock *) tptr[0]);
2765 case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
2766 /* op1 = arg count val.a = builtintable entry */
2772 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2773 /* op1 = arg count, val.a = method pointer */
2775 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2776 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2777 case ICMD_INVOKEINTERFACE:
2779 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2780 md = INSTRUCTION_UNRESOLVED_METHOD(iptr)->methodref->parseddesc.md;
2784 lm = INSTRUCTION_RESOLVED_METHODINFO(iptr);
2785 md = lm->parseddesc;
2789 s3 = md->paramcount;
2791 MCODECHECK((s3 << 1) + 64);
2793 /* copy arguments to registers or stack location */
2795 for (s3 = s3 - 1; s3 >= 0; s3--, src = src->prev) {
2796 if (src->varkind == ARGVAR)
2798 if (IS_INT_LNG_TYPE(src->type)) {
2799 if (!md->params[s3].inmemory) {
2800 if (IS_2_WORD_TYPE(src->type)) {
2802 rd->argintregs[GET_LOW_REG(md->params[s3].regoff)],
2803 rd->argintregs[GET_HIGH_REG(md->params[s3].regoff)]);
2804 d = emit_load_s1(jd, iptr, src, s1);
2807 s1 = rd->argintregs[md->params[s3].regoff];
2808 d = emit_load_s1(jd, iptr, src, s1);
2813 if (IS_2_WORD_TYPE(src->type)) {
2814 d = emit_load_s1(jd, iptr, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
2815 M_LST(d, REG_SP, md->params[s3].regoff * 4);
2817 d = emit_load_s1(jd, iptr, src, REG_ITMP1);
2818 M_IST(d, REG_SP, md->params[s3].regoff * 4);
2823 if (!md->params[s3].inmemory) {
2824 s1 = rd->argfltregs[md->params[s3].regoff];
2825 d = emit_load_s1(jd, iptr, src, s1);
2829 d = emit_load_s1(jd, iptr, src, REG_FTMP1);
2830 if (IS_2_WORD_TYPE(src->type))
2831 M_DST(d, REG_SP, md->params[s3].regoff * 4);
2833 M_FST(d, REG_SP, md->params[s3].regoff * 4);
2838 switch (iptr->opc) {
2840 disp = dseg_addaddress(cd, bte->fp);
2841 d = md->returntype.type;
2843 M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
2846 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2848 M_LDA(REG_PV, REG_ITMP1, -disp);
2850 /* if op1 == true, we need to check for an exception */
2852 if (iptr->op1 == true) {
2853 M_CMPI(REG_RESULT, 0);
2855 codegen_add_fillinstacktrace_ref(cd);
2859 case ICMD_INVOKESPECIAL:
2860 gen_nullptr_check(rd->argintregs[0]);
2861 M_ILD(REG_ITMP1, rd->argintregs[0], 0); /* hardware nullptr */
2864 case ICMD_INVOKESTATIC:
2866 unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
2868 disp = dseg_addaddress(cd, NULL);
2870 codegen_addpatchref(cd, PATCHER_invokestatic_special,
2873 if (opt_showdisassemble)
2876 d = md->returntype.type;
2879 disp = dseg_addaddress(cd, lm->stubroutine);
2880 d = md->returntype.type;
2883 M_ALD(REG_PV, REG_PV, disp);
2886 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2888 M_LDA(REG_PV, REG_ITMP1, -disp);
2891 case ICMD_INVOKEVIRTUAL:
2892 gen_nullptr_check(rd->argintregs[0]);
2895 unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
2897 codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
2899 if (opt_showdisassemble)
2903 d = md->returntype.type;
2906 s1 = OFFSET(vftbl_t, table[0]) +
2907 sizeof(methodptr) * lm->vftblindex;
2908 d = md->returntype.type;
2911 M_ALD(REG_METHODPTR, rd->argintregs[0],
2912 OFFSET(java_objectheader, vftbl));
2913 M_ALD(REG_PV, REG_METHODPTR, s1);
2916 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2918 M_LDA(REG_PV, REG_ITMP1, -disp);
2921 case ICMD_INVOKEINTERFACE:
2922 gen_nullptr_check(rd->argintregs[0]);
2925 unresolved_method *um = INSTRUCTION_UNRESOLVED_METHOD(iptr);
2927 codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
2929 if (opt_showdisassemble)
2934 d = md->returntype.type;
2937 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2938 sizeof(methodptr*) * lm->class->index;
2940 s2 = sizeof(methodptr) * (lm - lm->class->methods);
2942 d = md->returntype.type;
2945 M_ALD(REG_METHODPTR, rd->argintregs[0],
2946 OFFSET(java_objectheader, vftbl));
2947 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2948 M_ALD(REG_PV, REG_METHODPTR, s2);
2951 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2953 M_LDA(REG_PV, REG_ITMP1, -disp);
2957 /* d contains return type */
2959 if (d != TYPE_VOID) {
2960 if (IS_INT_LNG_TYPE(iptr->dst->type)) {
2961 if (IS_2_WORD_TYPE(iptr->dst->type)) {
2962 /*s1 = codegen_reg_of_var(rd, iptr->opc, iptr->dst,
2963 PACK_REGS(REG_RESULT2, REG_RESULT)); FIXME*/
2964 /*M_LNGMOVE(PACK_REGS(REG_RESULT2, REG_RESULT), s1); FIXME*/
2966 s1 = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_RESULT);
2967 M_INTMOVE(REG_RESULT, s1);
2970 s1 = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_FRESULT);
2971 M_FLTMOVE(REG_FRESULT, s1);
2973 emit_store(jd, iptr, iptr->dst, s1);
2978 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2979 /* op1: 0 == array, 1 == class */
2980 /* val.a: (classinfo*) superclass */
2982 /* superclass is an interface:
2984 * OK if ((sub == NULL) ||
2985 * (sub->vftbl->interfacetablelength > super->index) &&
2986 * (sub->vftbl->interfacetable[-super->index] != NULL));
2988 * superclass is a class:
2990 * OK if ((sub == NULL) || (0
2991 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2992 * super->vftbl->diffvall));
2995 if (iptr->op1 == 1) {
2996 /* object type cast-check */
2999 vftbl_t *supervftbl;
3002 super = (classinfo *) iptr->val.a;
3009 superindex = super->index;
3010 supervftbl = super->vftbl;
3013 #if defined(ENABLE_THREADS)
3014 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3016 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
3018 /* calculate interface checkcast code size */
3022 s2 += (opt_showdisassemble ? 1 : 0);
3024 /* calculate class checkcast code size */
3026 s3 = 8 + (s1 == REG_ITMP1);
3028 s3 += (opt_showdisassemble ? 1 : 0);
3030 /* if class is not resolved, check which code to call */
3034 M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3036 disp = dseg_adds4(cd, 0); /* super->flags */
3038 codegen_addpatchref(cd,
3039 PATCHER_checkcast_instanceof_flags,
3040 (constant_classref *) iptr->target,
3043 if (opt_showdisassemble)
3046 M_ILD(REG_ITMP2, REG_PV, disp);
3047 M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
3051 /* interface checkcast code */
3053 if (!super || (super->flags & ACC_INTERFACE)) {
3059 codegen_addpatchref(cd,
3060 PATCHER_checkcast_instanceof_interface,
3061 (constant_classref *) iptr->target,
3064 if (opt_showdisassemble)
3068 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3069 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
3070 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
3072 codegen_add_classcastexception_ref(cd);
3073 M_ALD(REG_ITMP3, REG_ITMP2,
3074 OFFSET(vftbl_t, interfacetable[0]) -
3075 superindex * sizeof(methodptr*));
3078 codegen_add_classcastexception_ref(cd);
3084 /* class checkcast code */
3086 if (!super || !(super->flags & ACC_INTERFACE)) {
3087 disp = dseg_addaddress(cd, supervftbl);
3094 codegen_addpatchref(cd, PATCHER_checkcast_class,
3095 (constant_classref *) iptr->target,
3098 if (opt_showdisassemble)
3102 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
3103 #if defined(ENABLE_THREADS)
3104 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3106 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3107 M_ALD(REG_ITMP2, REG_PV, disp);
3108 if (s1 != REG_ITMP1) {
3109 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
3110 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3111 #if defined(ENABLE_THREADS)
3112 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3114 M_ISUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
3116 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
3117 M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
3118 M_ALD(REG_ITMP2, REG_PV, disp);
3119 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3120 #if defined(ENABLE_THREADS)
3121 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3124 M_CMPU(REG_ITMP3, REG_ITMP2);
3126 codegen_add_classcastexception_ref(cd);
3128 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, s1);
3131 /* array type cast-check */
3133 s1 = emit_load_s1(jd, iptr, src, rd->argintregs[0]);
3134 M_INTMOVE(s1, rd->argintregs[0]);
3136 disp = dseg_addaddress(cd, iptr->val.a);
3138 if (iptr->val.a == NULL) {
3139 codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
3140 (constant_classref *) iptr->target,
3143 if (opt_showdisassemble)
3147 M_ALD(rd->argintregs[1], REG_PV, disp);
3148 disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
3149 M_ALD(REG_ITMP2, REG_PV, disp);
3154 codegen_add_classcastexception_ref(cd);
3156 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
3157 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, s1);
3160 emit_store(jd, iptr, iptr->dst, d);
3163 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
3164 /* val.a: (classinfo*) superclass */
3166 /* superclass is an interface:
3168 * return (sub != NULL) &&
3169 * (sub->vftbl->interfacetablelength > super->index) &&
3170 * (sub->vftbl->interfacetable[-super->index] != NULL);
3172 * superclass is a class:
3174 * return ((sub != NULL) && (0
3175 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
3176 * super->vftbl->diffvall));
3181 vftbl_t *supervftbl;
3184 super = (classinfo *) iptr->val.a;
3191 superindex = super->index;
3192 supervftbl = super->vftbl;
3195 #if defined(ENABLE_THREADS)
3196 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
3198 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
3199 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_ITMP2);
3201 M_MOV(s1, REG_ITMP1);
3205 /* calculate interface instanceof code size */
3209 s2 += (opt_showdisassemble ? 1 : 0);
3211 /* calculate class instanceof code size */
3215 s3 += (opt_showdisassemble ? 1 : 0);
3219 /* if class is not resolved, check which code to call */
3223 M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3225 disp = dseg_adds4(cd, 0); /* super->flags */
3227 codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
3228 (constant_classref *) iptr->target, disp);
3230 if (opt_showdisassemble)
3233 M_ILD(REG_ITMP3, REG_PV, disp);
3234 M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
3238 /* interface instanceof code */
3240 if (!super || (super->flags & ACC_INTERFACE)) {
3246 codegen_addpatchref(cd,
3247 PATCHER_checkcast_instanceof_interface,
3248 (constant_classref *) iptr->target, 0);
3250 if (opt_showdisassemble)
3254 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3255 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
3256 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
3258 M_ALD(REG_ITMP1, REG_ITMP1,
3259 OFFSET(vftbl_t, interfacetable[0]) -
3260 superindex * sizeof(methodptr*));
3263 M_IADD_IMM(REG_ZERO, 1, d);
3269 /* class instanceof code */
3271 if (!super || !(super->flags & ACC_INTERFACE)) {
3272 disp = dseg_addaddress(cd, supervftbl);
3279 codegen_addpatchref(cd, PATCHER_instanceof_class,
3280 (constant_classref *) iptr->target,
3283 if (opt_showdisassemble) {
3288 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3289 M_ALD(REG_ITMP2, REG_PV, disp);
3290 #if defined(ENABLE_THREADS)
3291 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
3293 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
3294 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3295 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3296 #if defined(ENABLE_THREADS)
3297 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
3299 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3300 M_CMPU(REG_ITMP1, REG_ITMP2);
3303 M_IADD_IMM(REG_ZERO, 1, d);
3305 emit_store(jd, iptr, iptr->dst, d);
3309 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
3310 /* op1 = dimension, val.a = class */
3312 /* check for negative sizes and copy sizes to stack if necessary */
3314 MCODECHECK((iptr->op1 << 1) + 64);
3316 for (s1 = iptr->op1; --s1 >= 0; src = src->prev) {
3317 /* copy SAVEDVAR sizes to stack */
3319 if (src->varkind != ARGVAR) {
3320 s2 = emit_load_s2(jd, iptr, src, REG_ITMP1);
3321 #if defined(__DARWIN__)
3322 M_IST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 4);
3324 M_IST(s2, REG_SP, LA_SIZE + (s1 + 3) * 4);
3329 /* a0 = dimension count */
3331 ICONST(rd->argintregs[0], iptr->op1);
3333 /* is patcher function set? */
3335 if (iptr->val.a == NULL) {
3336 disp = dseg_addaddress(cd, NULL);
3338 codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
3339 (constant_classref *) iptr->target, disp);
3341 if (opt_showdisassemble)
3345 disp = dseg_addaddress(cd, iptr->val.a);
3348 /* a1 = arraydescriptor */
3350 M_ALD(rd->argintregs[1], REG_PV, disp);
3352 /* a2 = pointer to dimensions = stack pointer */
3354 #if defined(__DARWIN__)
3355 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + INT_ARG_CNT * 4);
3357 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + 3 * 4);
3360 disp = dseg_addaddress(cd, BUILTIN_multianewarray);
3361 M_ALD(REG_ITMP3, REG_PV, disp);
3365 /* check for exception before result assignment */
3367 M_CMPI(REG_RESULT, 0);
3369 codegen_add_fillinstacktrace_ref(cd);
3371 d = codegen_reg_of_var(rd, iptr->opc, iptr->dst, REG_RESULT);
3372 M_INTMOVE(REG_RESULT, d);
3373 emit_store(jd, iptr, iptr->dst, d);
3378 new_internalerror("Unknown ICMD %d during code generation",
3383 } /* for instruction */
3385 /* copy values to interface registers */
3387 src = bptr->outstack;
3388 len = bptr->outdepth;
3389 MCODECHECK(64 + len);
3390 #if defined(ENABLE_LSRA)
3395 if ((src->varkind != STACKVAR)) {
3397 if (IS_FLT_DBL_TYPE(s2)) {
3398 s1 = emit_load_s1(jd, iptr, src, REG_FTMP1);
3399 if (!(rd->interfaces[len][s2].flags & INMEMORY))
3400 M_FLTMOVE(s1, rd->interfaces[len][s2].regoff);
3402 M_DST(s1, REG_SP, rd->interfaces[len][s2].regoff * 4);
3405 s1 = emit_load_s1(jd, iptr, src, REG_ITMP1);
3406 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3407 if (IS_2_WORD_TYPE(s2))
3408 M_LNGMOVE(s1, rd->interfaces[len][s2].regoff);
3410 M_INTMOVE(s1, rd->interfaces[len][s2].regoff);
3413 if (IS_2_WORD_TYPE(s2))
3414 M_LST(s1, REG_SP, rd->interfaces[len][s2].regoff * 4);
3416 M_IST(s1, REG_SP, rd->interfaces[len][s2].regoff * 4);
3422 } /* if (bptr -> flags >= BBREACHED) */
3423 } /* for basic block */
3425 dseg_createlinenumbertable(cd);
3428 /* generate exception and patcher stubs */
3437 savedmcodeptr = NULL;
3439 /* generate exception stubs */
3441 for (eref = cd->exceptionrefs; eref != NULL; eref = eref->next) {
3442 gen_resolvebranch(cd->mcodebase + eref->branchpos,
3443 eref->branchpos, cd->mcodeptr - cd->mcodebase);
3447 /* Check if the exception is an
3448 ArrayIndexOutOfBoundsException. If so, move index register
3451 if (eref->reg != -1)
3452 M_MOV(eref->reg, REG_ITMP1);
3454 /* calcuate exception address */
3456 M_LDA(REG_ITMP2_XPC, REG_PV, eref->branchpos - 4);
3458 /* move function to call into REG_ITMP3 */
3460 disp = dseg_addaddress(cd, eref->function);
3461 M_ALD(REG_ITMP3, REG_PV, disp);
3463 if (savedmcodeptr != NULL) {
3464 disp = ((u4 *) savedmcodeptr) - (((u4 *) cd->mcodeptr) + 1);
3468 savedmcodeptr = cd->mcodeptr;
3470 if (code->isleafmethod) {
3472 M_AST(REG_ZERO, REG_SP, stackframesize * 4 + LA_LR_OFFSET);
3475 M_MOV(REG_PV, rd->argintregs[0]);
3476 M_MOV(REG_SP, rd->argintregs[1]);
3478 if (code->isleafmethod)
3479 M_MOV(REG_ZERO, rd->argintregs[2]);
3481 M_ALD(rd->argintregs[2],
3482 REG_SP, stackframesize * 4 + LA_LR_OFFSET);
3484 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3485 M_MOV(REG_ITMP1, rd->argintregs[4]);
3487 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 6 * 4));
3488 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 4);
3492 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3494 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 4);
3495 M_IADD_IMM(REG_SP, LA_SIZE + 6 * 4, REG_SP);
3497 if (code->isleafmethod) {
3498 /* XXX FIXME: REG_ZERO can cause problems here! */
3499 assert(stackframesize * 4 <= 32767);
3501 M_ALD(REG_ZERO, REG_SP, stackframesize * 4 + LA_LR_OFFSET);
3505 disp = dseg_addaddress(cd, asm_handle_exception);
3506 M_ALD(REG_ITMP3, REG_PV, disp);
3513 /* generate code patching stub call code */
3515 for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
3516 /* check code segment size */
3520 /* Get machine code which is patched back in later. The
3521 call is 1 instruction word long. */
3523 tmpmcodeptr = (u1 *) (cd->mcodebase + pref->branchpos);
3525 mcode = *((u4 *) tmpmcodeptr);
3527 /* Patch in the call to call the following code (done at
3530 savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
3531 cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
3533 disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
3536 cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
3538 /* create stack frame - keep stack 16-byte aligned */
3540 M_AADD_IMM(REG_SP, -8 * 4, REG_SP);
3542 /* calculate return address and move it onto the stack */
3544 M_LDA(REG_ITMP3, REG_PV, pref->branchpos);
3545 M_AST_INTERN(REG_ITMP3, REG_SP, 5 * 4);
3547 /* move pointer to java_objectheader onto stack */
3549 #if defined(ENABLE_THREADS)
3550 /* order reversed because of data segment layout */
3552 (void) dseg_addaddress(cd, NULL); /* flcword */
3553 (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
3554 disp = dseg_addaddress(cd, NULL); /* vftbl */
3556 M_LDA(REG_ITMP3, REG_PV, disp);
3557 M_AST_INTERN(REG_ITMP3, REG_SP, 4 * 4);
3562 /* move machine code onto stack */
3564 disp = dseg_adds4(cd, mcode);
3565 M_ILD(REG_ITMP3, REG_PV, disp);
3566 M_IST_INTERN(REG_ITMP3, REG_SP, 3 * 4);
3568 /* move class/method/field reference onto stack */
3570 disp = dseg_addaddress(cd, pref->ref);
3571 M_ALD(REG_ITMP3, REG_PV, disp);
3572 M_AST_INTERN(REG_ITMP3, REG_SP, 2 * 4);
3574 /* move data segment displacement onto stack */
3576 disp = dseg_addaddress(cd, pref->disp);
3577 M_ILD(REG_ITMP3, REG_PV, disp);
3578 M_IST_INTERN(REG_ITMP3, REG_SP, 1 * 4);
3580 /* move patcher function pointer onto stack */
3582 disp = dseg_addaddress(cd, pref->patcher);
3583 M_ALD(REG_ITMP3, REG_PV, disp);
3584 M_AST_INTERN(REG_ITMP3, REG_SP, 0 * 4);
3586 disp = dseg_addaddress(cd, asm_patcher_wrapper);
3587 M_ALD(REG_ITMP3, REG_PV, disp);
3592 /* generate replacement-out stubs */
3597 replacementpoint = jd->code->rplpoints;
3599 for (i = 0; i < jd->code->rplpointcount; ++i, ++replacementpoint) {
3600 /* check code segment size */
3604 /* note start of stub code */
3606 replacementpoint->outcode = (u1 *) (cd->mcodeptr - cd->mcodebase);
3608 /* make machine code for patching */
3610 tmpmcodeptr = cd->mcodeptr;
3611 cd->mcodeptr = (u1 *) &(replacementpoint->mcode) + 1 /* big-endian */;
3613 disp = (ptrint)((s4*)replacementpoint->outcode - (s4*)replacementpoint->pc) - 1;
3616 cd->mcodeptr = tmpmcodeptr;
3618 /* create stack frame - keep 16-byte aligned */
3620 M_AADD_IMM(REG_SP, -4 * 4, REG_SP);
3622 /* push address of `rplpoint` struct */
3624 disp = dseg_addaddress(cd, replacementpoint);
3625 M_ALD(REG_ITMP3, REG_PV, disp);
3626 M_AST_INTERN(REG_ITMP3, REG_SP, 0 * 4);
3628 /* jump to replacement function */
3630 disp = dseg_addaddress(cd, asm_replacement_out);
3631 M_ALD(REG_ITMP3, REG_PV, disp);
3640 /* everything's ok */
3646 /* createcompilerstub **********************************************************
3648 Creates a stub routine which calls the compiler.
3650 *******************************************************************************/
3652 #define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
3653 #define COMPILERSTUB_CODESIZE 4 * 4
3655 #define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
3658 u1 *createcompilerstub(methodinfo *m)
3660 u1 *s; /* memory to hold the stub */
3666 s = CNEW(u1, COMPILERSTUB_SIZE);
3668 /* set data pointer and code pointer */
3671 s = s + COMPILERSTUB_DATASIZE;
3673 /* mark start of dump memory area */
3675 dumpsize = dump_size();
3677 cd = DNEW(codegendata);
3680 /* Store the codeinfo pointer in the same place as in the
3681 methodheader for compiled methods. */
3683 code = code_codeinfo_new(m);
3685 d[0] = (ptrint) asm_call_jit_compiler;
3687 d[2] = (ptrint) code;
3689 M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);
3690 M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);
3694 md_cacheflush((u1 *) d, COMPILERSTUB_SIZE);
3696 #if defined(ENABLE_STATISTICS)
3698 count_cstub_len += COMPILERSTUB_SIZE;
3701 /* release dump area */
3703 dump_release(dumpsize);
3709 /* createnativestub ************************************************************
3711 Creates a stub routine which calls a native method.
3713 *******************************************************************************/
3715 u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
3721 s4 stackframesize; /* size of stackframe if needed */
3724 s4 i, j; /* count variables */
3729 /* get required compiler data */
3736 /* set some variables */
3739 nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3741 /* calculate stackframe size */
3744 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3745 sizeof(localref_table) / SIZEOF_VOID_P +
3746 4 + /* 4 stackframeinfo arguments (darwin)*/
3747 nmd->paramcount * 2 + /* assume all arguments are doubles */
3750 stackframesize = (stackframesize + 3) & ~3; /* keep stack 16-byte aligned */
3752 /* create method header */
3754 (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
3755 (void) dseg_adds4(cd, stackframesize * 4); /* FrameSize */
3756 (void) dseg_adds4(cd, 0); /* IsSync */
3757 (void) dseg_adds4(cd, 0); /* IsLeaf */
3758 (void) dseg_adds4(cd, 0); /* IntSave */
3759 (void) dseg_adds4(cd, 0); /* FltSave */
3760 (void) dseg_addlinenumbertablesize(cd);
3761 (void) dseg_adds4(cd, 0); /* ExTableSize */
3766 M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
3767 M_STWU(REG_SP, REG_SP, -(stackframesize * 4));
3769 if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
3770 /* parent_argbase == stackframesize * 4 */
3771 codegen_trace_args(jd, stackframesize * 4 , true);
3773 /* get function address (this must happen before the stackframeinfo) */
3775 funcdisp = dseg_addaddress(cd, f);
3777 #if !defined(WITH_STATIC_CLASSPATH)
3779 codegen_addpatchref(cd, PATCHER_resolve_native, m, funcdisp);
3781 if (opt_showdisassemble)
3786 /* save integer and float argument registers */
3790 for (i = 0; i < md->paramcount; i++) {
3791 t = md->paramtypes[i].type;
3793 if (IS_INT_LNG_TYPE(t)) {
3794 if (!md->params[i].inmemory) {
3795 s1 = md->params[i].regoff;
3796 if (IS_2_WORD_TYPE(t)) {
3797 M_IST(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3799 M_IST(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3801 M_IST(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3808 for (i = 0; i < md->paramcount; i++) {
3809 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3810 if (!md->params[i].inmemory) {
3811 s1 = md->params[i].regoff;
3812 M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
3818 /* create native stack info */
3820 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
3821 M_MOV(REG_PV, rd->argintregs[1]);
3822 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[2]);
3823 M_ALD(rd->argintregs[3], REG_SP, stackframesize * 4 + LA_LR_OFFSET);
3824 disp = dseg_addaddress(cd, codegen_start_native_call);
3825 M_ALD(REG_ITMP1, REG_PV, disp);
3829 /* restore integer and float argument registers */
3833 for (i = 0; i < md->paramcount; i++) {
3834 t = md->paramtypes[i].type;
3836 if (IS_INT_LNG_TYPE(t)) {
3837 if (!md->params[i].inmemory) {
3838 s1 = md->params[i].regoff;
3840 if (IS_2_WORD_TYPE(t)) {
3841 M_ILD(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3843 M_ILD(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3845 M_ILD(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3852 for (i = 0; i < md->paramcount; i++) {
3853 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3854 if (!md->params[i].inmemory) {
3855 s1 = md->params[i].regoff;
3856 M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
3862 /* copy or spill arguments to new locations */
3864 for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3865 t = md->paramtypes[i].type;
3867 if (IS_INT_LNG_TYPE(t)) {
3868 if (!md->params[i].inmemory) {
3869 if (IS_2_WORD_TYPE(t))
3871 rd->argintregs[GET_LOW_REG(md->params[i].regoff)],
3872 rd->argintregs[GET_HIGH_REG(md->params[i].regoff)]);
3874 s1 = rd->argintregs[md->params[i].regoff];
3876 if (!nmd->params[j].inmemory) {
3877 if (IS_2_WORD_TYPE(t)) {
3879 rd->argintregs[GET_LOW_REG(nmd->params[j].regoff)],
3880 rd->argintregs[GET_HIGH_REG(nmd->params[j].regoff)]);
3883 s2 = rd->argintregs[nmd->params[j].regoff];
3888 s2 = nmd->params[j].regoff;
3889 if (IS_2_WORD_TYPE(t))
3890 M_LST(s1, REG_SP, s2 * 4);
3892 M_IST(s1, REG_SP, s2 * 4);
3896 s1 = md->params[i].regoff + stackframesize;
3897 s2 = nmd->params[j].regoff;
3899 M_ILD(REG_ITMP1, REG_SP, s1 * 4);
3900 if (IS_2_WORD_TYPE(t))
3901 M_ILD(REG_ITMP2, REG_SP, s1 * 4 + 4);
3903 M_IST(REG_ITMP1, REG_SP, s2 * 4);
3904 if (IS_2_WORD_TYPE(t))
3905 M_IST(REG_ITMP2, REG_SP, s2 * 4 + 4);
3909 /* We only copy spilled float arguments, as the float
3910 argument registers keep unchanged. */
3912 if (md->params[i].inmemory) {
3913 s1 = md->params[i].regoff + stackframesize;
3914 s2 = nmd->params[j].regoff;
3916 if (IS_2_WORD_TYPE(t)) {
3917 M_DLD(REG_FTMP1, REG_SP, s1 * 4);
3918 M_DST(REG_FTMP1, REG_SP, s2 * 4);
3921 M_FLD(REG_FTMP1, REG_SP, s1 * 4);
3922 M_FST(REG_FTMP1, REG_SP, s2 * 4);
3928 /* put class into second argument register */
3930 if (m->flags & ACC_STATIC) {
3931 disp = dseg_addaddress(cd, m->class);
3932 M_ALD(rd->argintregs[1], REG_PV, disp);
3935 /* put env into first argument register */
3937 disp = dseg_addaddress(cd, _Jv_env);
3938 M_ALD(rd->argintregs[0], REG_PV, disp);
3940 /* generate the actual native call */
3942 M_ALD(REG_ITMP3, REG_PV, funcdisp);
3946 /* save return value */
3948 if (md->returntype.type != TYPE_VOID) {
3949 if (IS_INT_LNG_TYPE(md->returntype.type)) {
3950 if (IS_2_WORD_TYPE(md->returntype.type))
3951 /*M_IST(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4); // FIXME*/
3952 M_IST(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
3955 if (IS_2_WORD_TYPE(md->returntype.type))
3956 M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3958 M_FST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3962 /* print call trace */
3964 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
3965 /* just restore the value we need, don't care about the other */
3967 if (md->returntype.type != TYPE_VOID) {
3968 if (IS_INT_LNG_TYPE(md->returntype.type)) {
3969 if (IS_2_WORD_TYPE(md->returntype.type))
3970 /*M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4); FIXME*/
3971 M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
3974 if (IS_2_WORD_TYPE(md->returntype.type))
3975 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3977 M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3981 M_LDA(REG_SP, REG_SP, -(LA_SIZE + (1 + 2 + 2 + 1) * 4));
3983 /* keep this order */
3984 switch (md->returntype.type) {
3987 #if defined(__DARWIN__)
3988 M_MOV(REG_RESULT, rd->argintregs[2]);
3989 M_CLR(rd->argintregs[1]);
3991 M_MOV(REG_RESULT, rd->argintregs[3]);
3992 M_CLR(rd->argintregs[2]);
3997 #if defined(__DARWIN__)
3998 /*M_MOV(REG_RESULT2, rd->argintregs[2]);FIXME*/
3999 M_MOV(REG_RESULT, rd->argintregs[1]);
4001 /*M_MOV(REG_RESULT2, rd->argintregs[3]);FIXME*/
4002 M_MOV(REG_RESULT, rd->argintregs[2]);
4007 M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
4008 M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
4009 disp = dseg_addaddress(cd, m);
4010 M_ALD(rd->argintregs[0], REG_PV, disp);
4012 disp = dseg_addaddress(cd, builtin_displaymethodstop);
4013 M_ALD(REG_ITMP2, REG_PV, disp);
4017 M_LDA(REG_SP, REG_SP, LA_SIZE + (1 + 2 + 2 + 1) * 4);
4020 /* remove native stackframe info */
4022 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
4023 disp = dseg_addaddress(cd, codegen_finish_native_call);
4024 M_ALD(REG_ITMP1, REG_PV, disp);
4027 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
4029 /* restore return value */
4031 if (md->returntype.type != TYPE_VOID) {
4032 if (IS_INT_LNG_TYPE(md->returntype.type)) {
4033 if (IS_2_WORD_TYPE(md->returntype.type))
4034 /*M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);FIXME*/
4035 M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
4038 if (IS_2_WORD_TYPE(md->returntype.type))
4039 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
4041 M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
4045 M_ALD(REG_ITMP2_XPC, REG_SP, stackframesize * 4 + LA_LR_OFFSET);
4046 M_MTLR(REG_ITMP2_XPC);
4047 M_LDA(REG_SP, REG_SP, stackframesize * 4); /* remove stackframe */
4049 /* check for exception */
4051 M_TST(REG_ITMP1_XPTR);
4052 M_BNE(1); /* if no exception then return */
4056 /* handle exception */
4058 M_IADD_IMM(REG_ITMP2_XPC, -4, REG_ITMP2_XPC); /* exception address */
4060 disp = dseg_addaddress(cd, asm_handle_nat_exception);
4061 M_ALD(REG_ITMP3, REG_PV, disp);
4065 /* generate patcher stub call code */
4073 for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
4074 /* Get machine code which is patched back in later. The
4075 call is 1 instruction word long. */
4077 tmpmcodeptr = cd->mcodebase + pref->branchpos;
4079 mcode = *((u4 *) tmpmcodeptr);
4081 /* Patch in the call to call the following code (done at
4084 savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
4085 cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
4087 disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
4090 cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
4092 /* create stack frame - keep stack 16-byte aligned */
4094 M_AADD_IMM(REG_SP, -8 * 4, REG_SP);
4096 /* move return address onto stack */
4099 M_AST(REG_ZERO, REG_SP, 5 * 4);
4101 /* move pointer to java_objectheader onto stack */
4103 #if defined(ENABLE_THREADS)
4104 /* order reversed because of data segment layout */
4106 (void) dseg_addaddress(cd, NULL); /* flcword */
4107 (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
4108 disp = dseg_addaddress(cd, NULL); /* vftbl */
4110 M_LDA(REG_ITMP3, REG_PV, disp);
4111 M_AST(REG_ITMP3, REG_SP, 4 * 4);
4116 /* move machine code onto stack */
4118 disp = dseg_adds4(cd, mcode);
4119 M_ILD(REG_ITMP3, REG_PV, disp);
4120 M_IST(REG_ITMP3, REG_SP, 3 * 4);
4122 /* move class/method/field reference onto stack */
4124 disp = dseg_addaddress(cd, pref->ref);
4125 M_ALD(REG_ITMP3, REG_PV, disp);
4126 M_AST(REG_ITMP3, REG_SP, 2 * 4);
4128 /* move data segment displacement onto stack */
4130 disp = dseg_addaddress(cd, pref->disp);
4131 M_ILD(REG_ITMP3, REG_PV, disp);
4132 M_IST(REG_ITMP3, REG_SP, 1 * 4);
4134 /* move patcher function pointer onto stack */
4136 disp = dseg_addaddress(cd, pref->patcher);
4137 M_ALD(REG_ITMP3, REG_PV, disp);
4138 M_AST(REG_ITMP3, REG_SP, 0 * 4);
4140 disp = dseg_addaddress(cd, asm_patcher_wrapper);
4141 M_ALD(REG_ITMP3, REG_PV, disp);
4149 return code->entrypoint;
4153 void codegen_trace_args(jitdata *jd, s4 stackframesize, bool nativestub)
4163 /* get required compiler data */
4173 /* Build up Stackframe for builtin_trace_args call (a multiple of 16) */
4175 /* LA + TRACE_ARGS_NUM u8 args + methodinfo + LR */
4176 /* LA_SIZE(=6*4) + 8*8 + 4 + 4 + 0(Padding) */
4177 /* 6 * 4 + 8 * 8 + 2 * 4 = 12 * 8 = 6 * 16 */
4179 /* LA + (TRACE_ARGS_NUM - INT_ARG_CNT/2) u8 args + methodinfo */
4180 /* + INT_ARG_CNT * 4 ( save integer registers) + LR + 8 + 8 (Padding) */
4181 /* LA_SIZE(=2*4) + 4 * 8 + 4 + 8 * 4 + 4 + 8 */
4182 /* 2 * 4 + 4 * 8 + 10 * 4 + 1 * 8 + 8= 12 * 8 = 6 * 16 */
4184 /* in nativestubs no Place to save the LR (Link Register) would be needed */
4185 /* but since the stack frame has to be aligned the 4 Bytes would have to */
4186 /* be padded again */
4188 #if defined(__DARWIN__)
4189 stack_size = LA_SIZE + (TRACE_ARGS_NUM + 1) * 8;
4191 stack_size = 6 * 16;
4193 M_LDA(REG_SP, REG_SP, -stack_size);
4197 M_IST(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
4199 M_CLR(REG_ITMP1); /* clear help register */
4201 /* save up to TRACE_ARGS_NUM arguments into the reserved stack space */
4202 #if defined(__DARWIN__)
4203 /* Copy Params starting from first to Stack */
4204 /* since TRACE_ARGS == INT_ARG_CNT all used integer argument regs */
4208 /* Copy Params starting from fifth to Stack (INT_ARG_CNT/2) are in */
4209 /* integer argument regs */
4210 /* all integer argument registers have to be saved */
4211 for (p = 0; p < 8; p++) {
4212 d = rd->argintregs[p];
4213 /* save integer argument registers */
4214 M_IST(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
4218 stack_off = LA_SIZE;
4219 for (; p < md->paramcount && p < TRACE_ARGS_NUM; p++, stack_off += 8) {
4220 t = md->paramtypes[p].type;
4221 if (IS_INT_LNG_TYPE(t)) {
4222 if (!md->params[p].inmemory) { /* Param in Arg Reg */
4223 if (IS_2_WORD_TYPE(t)) {
4224 M_IST(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
4225 , REG_SP, stack_off);
4226 M_IST(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
4227 , REG_SP, stack_off + 4);
4229 M_IST(REG_ITMP1, REG_SP, stack_off);
4230 M_IST(rd->argintregs[md->params[p].regoff]
4231 , REG_SP, stack_off + 4);
4233 } else { /* Param on Stack */
4234 s1 = (md->params[p].regoff + stackframesize) * 4
4236 if (IS_2_WORD_TYPE(t)) {
4237 M_ILD(REG_ITMP2, REG_SP, s1);
4238 M_IST(REG_ITMP2, REG_SP, stack_off);
4239 M_ILD(REG_ITMP2, REG_SP, s1 + 4);
4240 M_IST(REG_ITMP2, REG_SP, stack_off + 4);
4242 M_IST(REG_ITMP1, REG_SP, stack_off);
4243 M_ILD(REG_ITMP2, REG_SP, s1);
4244 M_IST(REG_ITMP2, REG_SP, stack_off + 4);
4247 } else { /* IS_FLT_DBL_TYPE(t) */
4248 if (!md->params[p].inmemory) { /* in Arg Reg */
4249 s1 = rd->argfltregs[md->params[p].regoff];
4250 if (!IS_2_WORD_TYPE(t)) {
4251 M_IST(REG_ITMP1, REG_SP, stack_off);
4252 M_FST(s1, REG_SP, stack_off + 4);
4254 M_DST(s1, REG_SP, stack_off);
4256 } else { /* on Stack */
4257 /* this should not happen */
4262 /* load first 4 (==INT_ARG_CNT/2) arguments into integer registers */
4263 #if defined(__DARWIN__)
4264 for (p = 0; p < 8; p++) {
4265 d = rd->argintregs[p];
4266 M_ILD(d, REG_SP, LA_SIZE + p * 4);
4270 /* Set integer and float argument registers vor trace_args call */
4271 /* offset to saved integer argument registers */
4272 stack_off = LA_SIZE + 4 * 8 + 4;
4273 for (p = 0; (p < 4) && (p < md->paramcount); p++) {
4274 t = md->paramtypes[p].type;
4275 if (IS_INT_LNG_TYPE(t)) {
4276 /* "stretch" int types */
4277 if (!IS_2_WORD_TYPE(t)) {
4278 M_CLR(rd->argintregs[2 * p]);
4279 M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off);
4282 M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off + 4);
4283 M_ILD(rd->argintregs[2 * p], REG_SP,stack_off);
4286 } else { /* Float/Dbl */
4287 if (!md->params[p].inmemory) { /* Param in Arg Reg */
4288 /* use reserved Place on Stack (sp + 5 * 16) to copy */
4289 /* float/double arg reg to int reg */
4290 s1 = rd->argfltregs[md->params[p].regoff];
4291 if (!IS_2_WORD_TYPE(t)) {
4292 M_FST(s1, REG_SP, 5 * 16);
4293 M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16);
4294 M_CLR(rd->argintregs[2 * p]);
4296 M_DST(s1, REG_SP, 5 * 16);
4297 M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16 + 4);
4298 M_ILD(rd->argintregs[2 * p], REG_SP, 5 * 16);
4305 /* put methodinfo pointer on Stackframe */
4306 p = dseg_addaddress(cd, m);
4307 M_ALD(REG_ITMP1, REG_PV, p);
4308 #if defined(__DARWIN__)
4309 M_AST(REG_ITMP1, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8);
4311 M_AST(REG_ITMP1, REG_SP, LA_SIZE + 4 * 8);
4313 p = dseg_addaddress(cd, builtin_trace_args);
4314 M_ALD(REG_ITMP2, REG_PV, p);
4318 #if defined(__DARWIN__)
4319 /* restore integer argument registers from the reserved stack space */
4321 stack_off = LA_SIZE;
4322 for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM;
4323 p++, stack_off += 8) {
4324 t = md->paramtypes[p].type;
4326 if (IS_INT_LNG_TYPE(t)) {
4327 if (!md->params[p].inmemory) {
4328 if (IS_2_WORD_TYPE(t)) {
4329 M_ILD(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
4330 , REG_SP, stack_off);
4331 M_ILD(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
4332 , REG_SP, stack_off + 4);
4334 M_ILD(rd->argintregs[md->params[p].regoff]
4335 , REG_SP, stack_off + 4);
4342 for (p = 0; p < 8; p++) {
4343 d = rd->argintregs[p];
4344 /* save integer argument registers */
4345 M_ILD(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
4350 M_ILD(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
4352 M_LDA(REG_SP, REG_SP, stack_size);
4360 * These are local overrides for various environment variables in Emacs.
4361 * Please do not remove this and leave it at the end of the file, where
4362 * Emacs will automagically detect them.
4363 * ---------------------------------------------------------------------
4366 * indent-tabs-mode: t
4370 * vim:noexpandtab:sw=4:ts=4: