1 /* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 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., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
33 $Id: codegen.c 3667 2005-11-14 19:47:26Z twisti $
48 #include "vm/jit/powerpc/arch.h"
49 #include "vm/jit/powerpc/codegen.h"
51 #include "cacao/cacao.h"
52 #include "native/native.h"
53 #include "vm/builtin.h"
54 #include "vm/global.h"
55 #include "vm/loader.h"
56 #include "vm/stringlocal.h"
57 #include "vm/tables.h"
58 #include "vm/jit/asmpart.h"
59 #include "vm/jit/codegen.inc"
60 #include "vm/jit/jit.h"
63 # include "vm/jit/lsra.inc"
66 #include "vm/jit/parse.h"
67 #include "vm/jit/patcher.h"
68 #include "vm/jit/reg.h"
69 #include "vm/jit/reg.inc"
72 s4 *codegen_trace_args( methodinfo *m, codegendata *cd, registerdata *rd,
73 s4 *mcodeptr, s4 parentargs_base, bool nativestub);
75 /* codegen *********************************************************************
77 Generates machine code.
79 *******************************************************************************/
81 bool codegen(methodinfo *m, codegendata *cd, registerdata *rd)
83 s4 len, s1, s2, s3, d, disp;
93 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
94 builtintable_entry *bte;
97 /* prevent compiler warnings */
109 /* space to save used callee saved registers */
111 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
112 savedregs_num += 2 * (FLT_SAV_CNT - rd->savfltreguse);
114 parentargs_base = rd->memuse + savedregs_num;
116 #if defined(USE_THREADS)
117 /* space to save argument of monitor_enter and Return Values to survive */
118 /* monitor_exit. The stack position for the argument can not be shared */
119 /* with place to save the return register on PPC, since both values */
121 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
122 /* reserve 2 slots for long/double return values for monitorexit */
124 if (IS_2_WORD_TYPE(m->parseddesc->returntype.type))
125 parentargs_base += 3;
127 parentargs_base += 2;
132 /* create method header */
134 parentargs_base = (parentargs_base + 3) & ~3;
136 (void) dseg_addaddress(cd, m); /* MethodPointer */
137 (void) dseg_adds4(cd, parentargs_base * 4); /* FrameSize */
139 #if defined(USE_THREADS)
140 /* IsSync contains the offset relative to the stack pointer for the
141 argument of monitor_exit used in the exception handler. Since the
142 offset could be zero and give a wrong meaning of the flag it is
146 if (checksync && (m->flags & ACC_SYNCHRONIZED))
147 (void) dseg_adds4(cd, (rd->memuse + 1) * 4); /* IsSync */
150 (void) dseg_adds4(cd, 0); /* IsSync */
152 (void) dseg_adds4(cd, m->isleafmethod); /* IsLeaf */
153 (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
154 (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
156 dseg_addlinenumbertablesize(cd);
158 (void) dseg_adds4(cd, cd->exceptiontablelength); /* ExTableSize */
160 /* create exception table */
162 for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
163 dseg_addtarget(cd, ex->start);
164 dseg_addtarget(cd, ex->end);
165 dseg_addtarget(cd, ex->handler);
166 (void) dseg_addaddress(cd, ex->catchtype.cls);
169 /* initialize mcode variables */
171 mcodeptr = (s4 *) cd->mcodebase;
172 cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize);
173 MCODECHECK(128 + m->paramcount);
175 /* create stack frame (if necessary) */
177 if (!m->isleafmethod) {
179 M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
182 if (parentargs_base) {
183 M_STWU(REG_SP, REG_SP, -parentargs_base * 4);
186 /* save return address and used callee saved registers */
189 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
190 p--; M_IST(rd->savintregs[i], REG_SP, p * 4);
192 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
193 p -= 2; M_DST(rd->savfltregs[i], REG_SP, p * 4);
196 /* take arguments out of register or stack frame */
200 for (p = 0, l = 0; p < md->paramcount; p++) {
201 t = md->paramtypes[p].type;
202 var = &(rd->locals[l][t]);
204 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
208 s1 = md->params[p].regoff;
209 if (IS_INT_LNG_TYPE(t)) { /* integer args */
210 if (IS_2_WORD_TYPE(t))
211 s2 = PACK_REGS(rd->argintregs[GET_LOW_REG(s1)],
212 rd->argintregs[GET_HIGH_REG(s1)]);
214 s2 = rd->argintregs[s1];
215 if (!md->params[p].inmemory) { /* register arguments */
216 if (!(var->flags & INMEMORY)) { /* reg arg -> register */
217 M_TINTMOVE(t, s2, var->regoff);
219 } else { /* reg arg -> spilled */
220 if (IS_2_WORD_TYPE(t)) {
221 M_IST(GET_HIGH_REG(s2), REG_SP, var->regoff * 4);
222 M_IST(GET_LOW_REG(s2), REG_SP, var->regoff * 4 + 4);
224 M_IST(s2, REG_SP, var->regoff * 4);
228 } else { /* stack arguments */
229 if (!(var->flags & INMEMORY)) { /* stack arg -> register */
230 if (IS_2_WORD_TYPE(t)) {
231 M_ILD(GET_HIGH_REG(var->regoff), REG_SP,
232 (parentargs_base + s1) * 4);
233 M_ILD(GET_LOW_REG(var->regoff), REG_SP,
234 (parentargs_base + s1) * 4 + 4);
236 M_ILD(var->regoff, REG_SP, (parentargs_base + s1) * 4);
239 } else { /* stack arg -> spilled */
241 M_ILD(REG_ITMP1, REG_SP, (parentargs_base + s1) * 4);
242 M_IST(REG_ITMP1, REG_SP, var->regoff * 4);
243 if (IS_2_WORD_TYPE(t)) {
244 M_ILD(REG_ITMP1, REG_SP, (parentargs_base + s1) * 4 +4);
245 M_IST(REG_ITMP1, REG_SP, var->regoff * 4 + 4);
248 /* Reuse Memory Position on Caller Stack */
249 var->regoff = parentargs_base + s1;
254 } else { /* floating args */
255 if (!md->params[p].inmemory) { /* register arguments */
256 s2 = rd->argfltregs[s1];
257 if (!(var->flags & INMEMORY)) { /* reg arg -> register */
258 M_FLTMOVE(s2, var->regoff);
260 } else { /* reg arg -> spilled */
261 if (IS_2_WORD_TYPE(t))
262 M_DST(s2, REG_SP, var->regoff * 4);
264 M_FST(s2, REG_SP, var->regoff * 4);
267 } else { /* stack arguments */
268 if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
269 if (IS_2_WORD_TYPE(t))
270 M_DLD(var->regoff, REG_SP, (parentargs_base + s1) * 4);
273 M_FLD(var->regoff, REG_SP, (parentargs_base + s1) * 4);
275 } else { /* stack-arg -> spilled */
277 if (IS_2_WORD_TYPE(t)) {
278 M_DLD(REG_FTMP1, REG_SP, (parentargs_base + s1) * 4);
279 M_DST(REG_FTMP1, REG_SP, var->regoff * 4);
280 var->regoff = parentargs_base + s1;
283 M_FLD(REG_FTMP1, REG_SP, (parentargs_base + s1) * 4);
284 M_FST(REG_FTMP1, REG_SP, var->regoff * 4);
287 /* Reuse Memory Position on Caller Stack */
288 var->regoff = parentargs_base + s1;
295 /* save monitorenter argument */
297 #if defined(USE_THREADS)
298 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
299 /* stack offset for monitor argument */
305 M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT * 4 + FLT_ARG_CNT * 8));
307 for (p = 0; p < INT_ARG_CNT; p++)
308 M_IST(rd->argintregs[p], REG_SP, p * 4);
310 for (p = 0; p < FLT_ARG_CNT * 2; p += 2)
311 M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 4);
313 s1 += INT_ARG_CNT + FLT_ARG_CNT;
317 /* decide which monitor enter function to call */
319 if (m->flags & ACC_STATIC) {
320 p = dseg_addaddress(cd, m->class);
321 M_ALD(REG_ITMP1, REG_PV, p);
322 M_AST(REG_ITMP1, REG_SP, s1 * 4);
323 M_MOV(REG_ITMP1, rd->argintregs[0]);
324 p = dseg_addaddress(cd, BUILTIN_staticmonitorenter);
325 M_ALD(REG_ITMP3, REG_PV, p);
330 M_TST(rd->argintregs[0]);
332 codegen_addxnullrefs(cd, mcodeptr);
333 M_AST(rd->argintregs[0], REG_SP, s1 * 4);
334 p = dseg_addaddress(cd, BUILTIN_monitorenter);
335 M_ALD(REG_ITMP3, REG_PV, p);
342 for (p = 0; p < INT_ARG_CNT; p++)
343 M_ILD(rd->argintregs[p], REG_SP, p * 4);
345 for (p = 0; p < FLT_ARG_CNT; p++)
346 M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 4);
349 M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
355 /* call trace function */
358 mcodeptr = codegen_trace_args(m, cd, rd, mcodeptr, parentargs_base, false);
360 } /* if (runverbose) */
363 /* end of header generation */
365 /* walk through all basic blocks */
366 for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
368 bptr->mpc = (s4) ((u1 *) mcodeptr - cd->mcodebase);
370 if (bptr->flags >= BBREACHED) {
372 /* branch resolving */
376 for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
377 gen_resolvebranch((u1*) cd->mcodebase + brefs->branchpos,
383 /* copy interface registers to their destination */
391 while (src != NULL) {
393 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
394 /* d = reg_of_var(m, src, REG_ITMP1); */
395 if (!(src->flags & INMEMORY))
399 M_INTMOVE(REG_ITMP1, d);
400 store_reg_to_var_int(src, d);
406 while (src != NULL) {
408 if ((len == 0) && (bptr->type != BBTYPE_STD)) {
409 d = reg_of_var(rd, src, REG_ITMP1);
410 M_INTMOVE(REG_ITMP1, d);
411 store_reg_to_var_int(src, d);
413 if (src->type == TYPE_LNG)
414 d = reg_of_var(rd, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
416 d = reg_of_var(rd, src, REG_IFTMP);
417 if ((src->varkind != STACKVAR)) {
419 if (IS_FLT_DBL_TYPE(s2)) {
420 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
421 s1 = rd->interfaces[len][s2].regoff;
424 if (IS_2_WORD_TYPE(s2)) {
426 4 * rd->interfaces[len][s2].regoff);
429 4 * rd->interfaces[len][s2].regoff);
432 store_reg_to_var_flt(src, d);
434 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
435 s1 = rd->interfaces[len][s2].regoff;
438 if (IS_2_WORD_TYPE(s2)) {
439 M_ILD(GET_HIGH_REG(d), REG_SP,
440 4 * rd->interfaces[len][s2].regoff);
441 M_ILD(GET_LOW_REG(d), REG_SP,
442 4 * rd->interfaces[len][s2].regoff + 4);
445 4 * rd->interfaces[len][s2].regoff);
448 store_reg_to_var_int(src, d);
458 /* walk through all instructions */
464 for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) {
465 if (iptr->line != currentline) {
466 dseg_addlinenumber(cd, iptr->line, (u1 *) mcodeptr);
467 currentline = iptr->line;
470 MCODECHECK(64); /* an instruction usually needs < 64 words */
473 case ICMD_NOP: /* ... ==> ... */
474 case ICMD_INLINE_START:
475 case ICMD_INLINE_END:
478 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
480 var_to_reg_int(s1, src, REG_ITMP1);
483 codegen_addxnullrefs(cd, mcodeptr);
486 /* constant operations ************************************************/
488 case ICMD_ICONST: /* ... ==> ..., constant */
489 /* op1 = 0, val.i = constant */
491 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
492 ICONST(d, iptr->val.i);
493 store_reg_to_var_int(iptr->dst, d);
496 case ICMD_LCONST: /* ... ==> ..., constant */
497 /* op1 = 0, val.l = constant */
499 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
500 LCONST(d, iptr->val.l);
501 store_reg_to_var_int(iptr->dst, d);
504 case ICMD_FCONST: /* ... ==> ..., constant */
505 /* op1 = 0, val.f = constant */
507 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
508 a = dseg_addfloat(cd, iptr->val.f);
510 store_reg_to_var_flt(iptr->dst, d);
513 case ICMD_DCONST: /* ... ==> ..., constant */
514 /* op1 = 0, val.d = constant */
516 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
517 a = dseg_adddouble(cd, iptr->val.d);
519 store_reg_to_var_flt(iptr->dst, d);
522 case ICMD_ACONST: /* ... ==> ..., constant */
523 /* op1 = 0, val.a = constant */
525 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
526 disp = dseg_addaddress(cd, iptr->val.a);
528 if ((iptr->target != NULL) && (iptr->val.a == NULL)) {
529 codegen_addpatchref(cd, mcodeptr,
531 (unresolved_class *) iptr->target, disp);
533 if (opt_showdisassemble)
537 M_ALD(d, REG_PV, disp);
538 store_reg_to_var_int(iptr->dst, d);
542 /* load/store operations **********************************************/
544 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
545 case ICMD_ALOAD: /* op1 = local variable */
547 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
548 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
549 if ((iptr->dst->varkind == LOCALVAR) &&
550 (iptr->dst->varnum == iptr->op1))
552 if (var->flags & INMEMORY) {
553 M_ILD(d, REG_SP, var->regoff * 4);
555 M_TINTMOVE(var->type, var->regoff, d);
557 store_reg_to_var_int(iptr->dst, d);
560 case ICMD_LLOAD: /* ... ==> ..., content of local variable */
561 /* op1 = local variable */
563 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
564 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
565 if ((iptr->dst->varkind == LOCALVAR) &&
566 (iptr->dst->varnum == iptr->op1))
568 if (var->flags & INMEMORY) {
569 M_ILD(GET_HIGH_REG(d), REG_SP, var->regoff * 4);
570 M_ILD(GET_LOW_REG(d), REG_SP, var->regoff * 4 + 4);
572 M_TINTMOVE(var->type, var->regoff, d);
574 store_reg_to_var_int(iptr->dst, d);
577 case ICMD_FLOAD: /* ... ==> ..., content of local variable */
578 case ICMD_DLOAD: /* op1 = local variable */
580 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
581 if ((iptr->dst->varkind == LOCALVAR) &&
582 (iptr->dst->varnum == iptr->op1))
584 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ILOAD]);
585 if (var->flags & INMEMORY)
586 if (IS_2_WORD_TYPE(var->type))
587 M_DLD(d, REG_SP, var->regoff * 4);
589 M_FLD(d, REG_SP, var->regoff * 4);
591 M_FLTMOVE(var->regoff, d);
593 store_reg_to_var_flt(iptr->dst, d);
597 case ICMD_ISTORE: /* ..., value ==> ... */
598 case ICMD_ASTORE: /* op1 = local variable */
600 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
602 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
603 if (var->flags & INMEMORY) {
604 var_to_reg_int(s1, src, REG_ITMP1);
605 M_IST(s1, REG_SP, var->regoff * 4);
607 var_to_reg_int(s1, src, var->regoff);
608 M_TINTMOVE(var->type, s1, var->regoff);
612 case ICMD_LSTORE: /* ..., value ==> ... */
613 /* op1 = local variable */
615 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
617 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
618 if (var->flags & INMEMORY) {
619 var_to_reg_int(s1, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
620 M_IST(GET_HIGH_REG(s1), REG_SP, var->regoff * 4);
621 M_IST(GET_LOW_REG(s1), REG_SP, var->regoff * 4 + 4);
623 var_to_reg_int(s1, src, var->regoff);
624 M_TINTMOVE(var->type, s1, var->regoff);
628 case ICMD_FSTORE: /* ..., value ==> ... */
629 case ICMD_DSTORE: /* op1 = local variable */
631 if ((src->varkind == LOCALVAR) && (src->varnum == iptr->op1))
633 var = &(rd->locals[iptr->op1][iptr->opc - ICMD_ISTORE]);
634 if (var->flags & INMEMORY) {
635 var_to_reg_flt(s1, src, REG_FTMP1);
636 if (var->type == TYPE_DBL)
637 M_DST(s1, REG_SP, var->regoff * 4);
639 M_FST(s1, REG_SP, var->regoff * 4);
641 var_to_reg_flt(s1, src, var->regoff);
642 M_FLTMOVE(s1, var->regoff);
647 /* pop/dup/swap operations ********************************************/
649 /* attention: double and longs are only one entry in CACAO ICMDs */
651 case ICMD_POP: /* ..., value ==> ... */
652 case ICMD_POP2: /* ..., value, value ==> ... */
655 case ICMD_DUP: /* ..., a ==> ..., a, a */
656 M_COPY(src, iptr->dst);
659 case ICMD_DUP_X1: /* ..., a, b ==> ..., b, a, b */
661 M_COPY(src, iptr->dst);
662 M_COPY(src->prev, iptr->dst->prev);
663 M_COPY(iptr->dst, iptr->dst->prev->prev);
666 case ICMD_DUP_X2: /* ..., a, b, c ==> ..., c, a, b, c */
668 M_COPY(src, iptr->dst);
669 M_COPY(src->prev, iptr->dst->prev);
670 M_COPY(src->prev->prev, iptr->dst->prev->prev);
671 M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
674 case ICMD_DUP2: /* ..., a, b ==> ..., a, b, a, b */
676 M_COPY(src, iptr->dst);
677 M_COPY(src->prev, iptr->dst->prev);
680 case ICMD_DUP2_X1: /* ..., a, b, c ==> ..., b, c, a, b, c */
682 M_COPY(src, iptr->dst);
683 M_COPY(src->prev, iptr->dst->prev);
684 M_COPY(src->prev->prev, iptr->dst->prev->prev);
685 M_COPY(iptr->dst, iptr->dst->prev->prev->prev);
686 M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev);
689 case ICMD_DUP2_X2: /* ..., a, b, c, d ==> ..., c, d, a, b, c, d */
691 M_COPY(src, iptr->dst);
692 M_COPY(src->prev, iptr->dst->prev);
693 M_COPY(src->prev->prev, iptr->dst->prev->prev);
694 M_COPY(src->prev->prev->prev, iptr->dst->prev->prev->prev);
695 M_COPY(iptr->dst, iptr->dst->prev->prev->prev->prev);
696 M_COPY(iptr->dst->prev, iptr->dst->prev->prev->prev->prev->prev);
699 case ICMD_SWAP: /* ..., a, b ==> ..., b, a */
701 M_COPY(src, iptr->dst->prev);
702 M_COPY(src->prev, iptr->dst);
706 /* integer operations *************************************************/
708 case ICMD_INEG: /* ..., value ==> ..., - value */
710 var_to_reg_int(s1, src, REG_ITMP1);
711 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
713 store_reg_to_var_int(iptr->dst, d);
716 case ICMD_LNEG: /* ..., value ==> ..., - value */
718 var_to_reg_int(s1, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
719 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
720 M_SUBFIC(GET_LOW_REG(s1), 0, GET_LOW_REG(d));
721 M_SUBFZE(GET_HIGH_REG(s1), GET_HIGH_REG(d));
722 store_reg_to_var_int(iptr->dst, d);
725 case ICMD_I2L: /* ..., value ==> ..., value */
727 var_to_reg_int(s1, src, REG_ITMP2);
728 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
729 M_INTMOVE(s1, GET_LOW_REG(d));
730 M_SRA_IMM(GET_LOW_REG(d), 31, GET_HIGH_REG(d));
731 store_reg_to_var_int(iptr->dst, d);
734 case ICMD_L2I: /* ..., value ==> ..., value */
736 var_to_reg_int_low(s1, src, REG_ITMP2);
737 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
739 store_reg_to_var_int(iptr->dst, d);
742 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
744 var_to_reg_int(s1, src, REG_ITMP1);
745 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
747 store_reg_to_var_int(iptr->dst, d);
750 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
752 var_to_reg_int(s1, src, REG_ITMP1);
753 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
755 store_reg_to_var_int(iptr->dst, d);
758 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
760 var_to_reg_int(s1, src, REG_ITMP1);
761 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
763 store_reg_to_var_int(iptr->dst, d);
767 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
769 var_to_reg_int(s1, src->prev, REG_ITMP1);
770 var_to_reg_int(s2, src, REG_ITMP2);
771 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
773 store_reg_to_var_int(iptr->dst, d);
776 case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
777 /* val.i = constant */
779 var_to_reg_int(s1, src, REG_ITMP1);
780 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
781 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
782 M_IADD_IMM(s1, iptr->val.i, d);
784 ICONST(REG_ITMP2, iptr->val.i);
785 M_IADD(s1, REG_ITMP2, d);
787 store_reg_to_var_int(iptr->dst, d);
790 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
792 var_to_reg_int_low(s1, src->prev, REG_ITMP1);
793 var_to_reg_int_low(s2, src, REG_ITMP2);
794 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
795 M_ADDC(s1, s2, GET_LOW_REG(d));
796 var_to_reg_int_high(s1, src->prev, REG_ITMP1);
797 var_to_reg_int_high(s2, src, REG_ITMP3); /* don't use REG_ITMP2 */
798 M_ADDE(s1, s2, GET_HIGH_REG(d));
799 store_reg_to_var_int(iptr->dst, d);
802 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
803 /* val.l = constant */
805 s3 = iptr->val.l & 0xffffffff;
806 var_to_reg_int_low(s1, src, REG_ITMP1);
807 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
808 if ((s3 >= -32768) && (s3 <= 32767)) {
809 M_ADDIC(s1, s3, GET_LOW_REG(d));
811 ICONST(REG_ITMP2, s3);
812 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
814 var_to_reg_int_high(s1, src, REG_ITMP1);
815 s3 = iptr->val.l >> 32;
817 M_ADDME(s1, GET_HIGH_REG(d));
818 } else if (s3 == 0) {
819 M_ADDZE(s1, GET_HIGH_REG(d));
821 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
822 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
824 store_reg_to_var_int(iptr->dst, d);
827 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
829 var_to_reg_int(s1, src->prev, REG_ITMP1);
830 var_to_reg_int(s2, src, REG_ITMP2);
831 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
833 store_reg_to_var_int(iptr->dst, d);
836 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
837 /* val.i = constant */
839 var_to_reg_int(s1, src, REG_ITMP1);
840 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
841 if ((iptr->val.i >= -32767) && (iptr->val.i <= 32768)) {
842 M_IADD_IMM(s1, -iptr->val.i, d);
844 ICONST(REG_ITMP2, -iptr->val.i);
845 M_IADD(s1, REG_ITMP2, d);
847 store_reg_to_var_int(iptr->dst, d);
850 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
852 var_to_reg_int_low(s1, src->prev, REG_ITMP1);
853 var_to_reg_int_low(s2, src, REG_ITMP2);
854 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
855 M_SUBC(s1, s2, GET_LOW_REG(d));
856 var_to_reg_int_high(s1, src->prev, REG_ITMP1);
857 var_to_reg_int_high(s2, src, REG_ITMP3); /* don't use REG_ITMP2 */
858 M_SUBE(s1, s2, GET_HIGH_REG(d));
859 store_reg_to_var_int(iptr->dst, d);
862 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
863 /* val.l = constant */
865 s3 = (-iptr->val.l) & 0xffffffff;
866 var_to_reg_int_low(s1, src, REG_ITMP1);
867 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
868 if ((s3 >= -32768) && (s3 <= 32767)) {
869 M_ADDIC(s1, s3, GET_LOW_REG(d));
871 ICONST(REG_ITMP2, s3);
872 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
874 var_to_reg_int_high(s1, src, REG_ITMP1);
875 s3 = (-iptr->val.l) >> 32;
877 M_ADDME(s1, GET_HIGH_REG(d));
879 M_ADDZE(s1, GET_HIGH_REG(d));
881 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
882 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
884 store_reg_to_var_int(iptr->dst, d);
887 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
889 var_to_reg_int(s1, src->prev, REG_ITMP1);
890 var_to_reg_int(s2, src, REG_ITMP2);
891 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
894 codegen_addxdivrefs(cd, mcodeptr);
895 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
896 M_CMP(REG_ITMP3, s1);
897 M_BNE(3 + (s1 != d));
899 M_BNE(1 + (s1 != d));
903 store_reg_to_var_int(iptr->dst, d);
906 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
908 var_to_reg_int(s1, src->prev, REG_ITMP1);
909 var_to_reg_int(s2, src, REG_ITMP2);
910 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
913 codegen_addxdivrefs(cd, mcodeptr);
914 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
915 M_CMP(REG_ITMP3, s1);
921 M_IDIV(s1, s2, REG_ITMP3);
922 M_IMUL(REG_ITMP3, s2, REG_ITMP3);
923 M_ISUB(s1, REG_ITMP3, d);
924 store_reg_to_var_int(iptr->dst, d);
927 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
928 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
933 var_to_reg_int(s2, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
934 M_OR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
936 codegen_addxdivrefs(cd, mcodeptr);
938 s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[1].regoff)],
939 rd->argintregs[GET_HIGH_REG(md->params[1].regoff)]);
940 M_TINTMOVE(TYPE_LNG, s2, s3);
942 var_to_reg_int(s1, src->prev, PACK_REGS(REG_ITMP2, REG_ITMP1));
943 s3 = PACK_REGS(rd->argintregs[GET_LOW_REG(md->params[0].regoff)],
944 rd->argintregs[GET_HIGH_REG(md->params[0].regoff)]);
945 M_TINTMOVE(TYPE_LNG, s1, s3);
947 disp = dseg_addaddress(cd, bte->fp);
948 M_ALD(REG_ITMP1, REG_PV, disp);
952 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_RESULT2, REG_RESULT));
953 M_TINTMOVE(TYPE_LNG, PACK_REGS(REG_RESULT2, REG_RESULT), d);
954 store_reg_to_var_int(iptr->dst, d);
957 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
959 var_to_reg_int(s1, src->prev, REG_ITMP1);
960 var_to_reg_int(s2, src, REG_ITMP2);
961 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
963 store_reg_to_var_int(iptr->dst, d);
966 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
967 /* val.i = constant */
969 var_to_reg_int(s1, src, REG_ITMP1);
970 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
971 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
972 M_IMUL_IMM(s1, iptr->val.i, d);
974 ICONST(REG_ITMP3, iptr->val.i);
975 M_IMUL(s1, REG_ITMP3, d);
977 store_reg_to_var_int(iptr->dst, d);
980 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
982 var_to_reg_int(s1, src, REG_ITMP1);
983 d = reg_of_var(rd, iptr->dst, REG_ITMP3);
984 M_SRA_IMM(s1, iptr->val.i, d);
986 store_reg_to_var_int(iptr->dst, d);
989 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
991 var_to_reg_int(s1, src->prev, REG_ITMP1);
992 var_to_reg_int(s2, src, REG_ITMP2);
993 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
994 M_AND_IMM(s2, 0x1f, REG_ITMP3);
995 M_SLL(s1, REG_ITMP3, d);
996 store_reg_to_var_int(iptr->dst, d);
999 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
1000 /* val.i = constant */
1002 var_to_reg_int(s1, src, REG_ITMP1);
1003 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1004 M_SLL_IMM(s1, iptr->val.i & 0x1f, d);
1005 store_reg_to_var_int(iptr->dst, d);
1008 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
1010 var_to_reg_int(s1, src->prev, REG_ITMP1);
1011 var_to_reg_int(s2, src, REG_ITMP2);
1012 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1013 M_AND_IMM(s2, 0x1f, REG_ITMP3);
1014 M_SRA(s1, REG_ITMP3, d);
1015 store_reg_to_var_int(iptr->dst, d);
1018 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
1019 /* val.i = constant */
1021 var_to_reg_int(s1, src, REG_ITMP1);
1022 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1023 M_SRA_IMM(s1, iptr->val.i & 0x1f, d);
1024 store_reg_to_var_int(iptr->dst, d);
1027 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
1029 var_to_reg_int(s1, src->prev, REG_ITMP1);
1030 var_to_reg_int(s2, src, REG_ITMP2);
1031 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1032 M_AND_IMM(s2, 0x1f, REG_ITMP2);
1033 M_SRL(s1, REG_ITMP2, d);
1034 store_reg_to_var_int(iptr->dst, d);
1037 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
1038 /* val.i = constant */
1040 var_to_reg_int(s1, src, REG_ITMP1);
1041 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1042 if (iptr->val.i & 0x1f) {
1043 M_SRL_IMM(s1, iptr->val.i & 0x1f, d);
1047 store_reg_to_var_int(iptr->dst, d);
1050 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
1052 var_to_reg_int(s1, src->prev, REG_ITMP1);
1053 var_to_reg_int(s2, src, REG_ITMP2);
1054 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1056 store_reg_to_var_int(iptr->dst, d);
1059 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
1060 /* val.i = constant */
1062 var_to_reg_int(s1, src, REG_ITMP1);
1063 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1064 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1065 M_AND_IMM(s1, iptr->val.i, d);
1068 else if (iptr->val.i == 0xffffff) {
1069 M_RLWINM(s1, 0, 8, 31, d);
1073 ICONST(REG_ITMP3, iptr->val.i);
1074 M_AND(s1, REG_ITMP3, d);
1076 store_reg_to_var_int(iptr->dst, d);
1079 case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
1081 var_to_reg_int_low(s1, src->prev, REG_ITMP1);
1082 var_to_reg_int_low(s2, src, REG_ITMP2);
1083 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1084 M_AND(s1, s2, GET_LOW_REG(d));
1085 var_to_reg_int_high(s1, src->prev, REG_ITMP1);
1086 var_to_reg_int_high(s2, src, REG_ITMP3); /* don't use REG_ITMP2 */
1087 M_AND(s1, s2, GET_HIGH_REG(d));
1088 store_reg_to_var_int(iptr->dst, d);
1091 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
1092 /* val.l = constant */
1094 s3 = iptr->val.l & 0xffffffff;
1095 var_to_reg_int_low(s1, src, REG_ITMP1);
1096 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1097 if ((s3 >= 0) && (s3 <= 65535)) {
1098 M_AND_IMM(s1, s3, GET_LOW_REG(d));
1100 ICONST(REG_ITMP3, s3);
1101 M_AND(s1, REG_ITMP3, GET_LOW_REG(d));
1103 var_to_reg_int_high(s1, src, REG_ITMP1);
1104 s3 = iptr->val.l >> 32;
1105 if ((s3 >= 0) && (s3 <= 65535)) {
1106 M_AND_IMM(s1, s3, GET_HIGH_REG(d));
1108 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1109 M_AND(s1, REG_ITMP3, GET_HIGH_REG(d));
1111 store_reg_to_var_int(iptr->dst, d);
1114 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
1115 /* val.i = constant */
1117 var_to_reg_int(s1, src, REG_ITMP1);
1118 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1119 M_MOV(s1, REG_ITMP2);
1121 M_BGE(1 + 2*(iptr->val.i >= 32768));
1122 if (iptr->val.i >= 32768) {
1123 M_ADDIS(REG_ZERO, iptr->val.i >> 16, REG_ITMP2);
1124 M_OR_IMM(REG_ITMP2, iptr->val.i, REG_ITMP2);
1125 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1127 M_IADD_IMM(s1, iptr->val.i, REG_ITMP2);
1130 int b=0, m = iptr->val.i;
1133 M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
1135 M_ISUB(s1, REG_ITMP2, d);
1136 store_reg_to_var_int(iptr->dst, d);
1139 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1141 var_to_reg_int(s1, src->prev, REG_ITMP1);
1142 var_to_reg_int(s2, src, REG_ITMP2);
1143 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1145 store_reg_to_var_int(iptr->dst, d);
1148 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
1149 /* val.i = constant */
1151 var_to_reg_int(s1, src, REG_ITMP1);
1152 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1153 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1154 M_OR_IMM(s1, iptr->val.i, d);
1156 ICONST(REG_ITMP3, iptr->val.i);
1157 M_OR(s1, REG_ITMP3, d);
1159 store_reg_to_var_int(iptr->dst, d);
1162 case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1164 var_to_reg_int_low(s1, src->prev, REG_ITMP1);
1165 var_to_reg_int_low(s2, src, REG_ITMP2);
1166 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1167 M_OR(s1, s2, GET_LOW_REG(d));
1168 var_to_reg_int_high(s1, src->prev, REG_ITMP1);
1169 var_to_reg_int_high(s2, src, REG_ITMP3); /* don't use REG_ITMP2 */
1170 M_OR(s1, s2, GET_HIGH_REG(d));
1171 store_reg_to_var_int(iptr->dst, d);
1174 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
1175 /* val.l = constant */
1177 s3 = iptr->val.l & 0xffffffff;
1178 var_to_reg_int_low(s1, src, REG_ITMP1);
1179 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1180 if ((s3 >= 0) && (s3 <= 65535)) {
1181 M_OR_IMM(s1, s3, GET_LOW_REG(d));
1183 ICONST(REG_ITMP3, s3);
1184 M_OR(s1, REG_ITMP3, GET_LOW_REG(d));
1186 var_to_reg_int_high(s1, src, REG_ITMP1);
1187 s3 = iptr->val.l >> 32;
1188 if ((s3 >= 0) && (s3 <= 65535)) {
1189 M_OR_IMM(s1, s3, GET_HIGH_REG(d));
1191 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1192 M_OR(s1, REG_ITMP3, GET_HIGH_REG(d));
1194 store_reg_to_var_int(iptr->dst, d);
1197 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1199 var_to_reg_int(s1, src->prev, REG_ITMP1);
1200 var_to_reg_int(s2, src, REG_ITMP2);
1201 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1203 store_reg_to_var_int(iptr->dst, d);
1206 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
1207 /* val.i = constant */
1209 var_to_reg_int(s1, src, REG_ITMP1);
1210 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1211 if ((iptr->val.i >= 0) && (iptr->val.i <= 65535)) {
1212 M_XOR_IMM(s1, iptr->val.i, d);
1214 ICONST(REG_ITMP3, iptr->val.i);
1215 M_XOR(s1, REG_ITMP3, d);
1217 store_reg_to_var_int(iptr->dst, d);
1220 case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1222 var_to_reg_int_low(s1, src->prev, REG_ITMP1);
1223 var_to_reg_int_low(s2, src, REG_ITMP2);
1224 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1225 M_XOR(s1, s2, GET_LOW_REG(d));
1226 var_to_reg_int_high(s1, src->prev, REG_ITMP1);
1227 var_to_reg_int_high(s2, src, REG_ITMP3); /* don't use REG_ITMP2 */
1228 M_XOR(s1, s2, GET_HIGH_REG(d));
1229 store_reg_to_var_int(iptr->dst, d);
1232 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
1233 /* val.l = constant */
1235 s3 = iptr->val.l & 0xffffffff;
1236 var_to_reg_int_low(s1, src, REG_ITMP1);
1237 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1238 if ((s3 >= 0) && (s3 <= 65535)) {
1239 M_XOR_IMM(s1, s3, GET_LOW_REG(d));
1241 ICONST(REG_ITMP3, s3);
1242 M_XOR(s1, REG_ITMP3, GET_LOW_REG(d));
1244 var_to_reg_int_high(s1, src, REG_ITMP1);
1245 s3 = iptr->val.l >> 32;
1246 if ((s3 >= 0) && (s3 <= 65535)) {
1247 M_XOR_IMM(s1, s3, GET_HIGH_REG(d));
1249 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1250 M_XOR(s1, REG_ITMP3, GET_HIGH_REG(d));
1252 store_reg_to_var_int(iptr->dst, d);
1255 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
1256 /*******************************************************************
1257 TODO: CHANGE THIS TO A VERSION THAT WORKS !!!
1258 *******************************************************************/
1259 var_to_reg_int_high(s1, src->prev, REG_ITMP3);
1260 var_to_reg_int_high(s2, src, REG_ITMP2);
1261 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
1263 int tempreg = false;
1267 if (src->prev->flags & INMEMORY) {
1268 tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
1270 tempreg = tempreg || (d == GET_HIGH_REG(src->prev->regoff))
1271 || (d == GET_LOW_REG(src->prev->regoff));
1273 if (src->flags & INMEMORY) {
1274 tempreg = tempreg || (d == REG_ITMP3) || (d == REG_ITMP2);
1276 tempreg = tempreg || (d == GET_HIGH_REG(src->regoff))
1277 || (d == GET_LOW_REG(src->regoff));
1280 dreg = tempreg ? REG_ITMP1 : d;
1281 M_IADD_IMM(REG_ZERO, 1, dreg);
1286 var_to_reg_int_low(s1, src->prev, REG_ITMP3);
1287 var_to_reg_int_low(s2, src, REG_ITMP2);
1291 M_IADD_IMM(dreg, -1, dreg);
1292 M_IADD_IMM(dreg, -1, dreg);
1293 gen_resolvebranch(br1, (u1*) br1, (u1*) mcodeptr);
1294 gen_resolvebranch(br1+1, (u1*) (br1+1), (u1*) (mcodeptr-2));
1297 store_reg_to_var_int(iptr->dst, d);
1300 case ICMD_IINC: /* ..., value ==> ..., value + constant */
1301 /* op1 = variable, val.i = constant */
1303 var = &(rd->locals[iptr->op1][TYPE_INT]);
1304 if (var->flags & INMEMORY) {
1306 M_ILD(s1, REG_SP, var->regoff * 4);
1315 M_ADDIS(s1, m >> 16, s1);
1317 M_IADD_IMM(s1, m & 0xffff, s1);
1319 if (var->flags & INMEMORY) {
1320 M_IST(s1, REG_SP, var->regoff * 4);
1325 /* floating operations ************************************************/
1327 case ICMD_FNEG: /* ..., value ==> ..., - value */
1329 var_to_reg_flt(s1, src, REG_FTMP1);
1330 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1332 store_reg_to_var_flt(iptr->dst, d);
1335 case ICMD_DNEG: /* ..., value ==> ..., - value */
1337 var_to_reg_flt(s1, src, REG_FTMP1);
1338 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1340 store_reg_to_var_flt(iptr->dst, d);
1343 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1345 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1346 var_to_reg_flt(s2, src, REG_FTMP2);
1347 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1349 store_reg_to_var_flt(iptr->dst, d);
1352 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1354 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1355 var_to_reg_flt(s2, src, REG_FTMP2);
1356 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1358 store_reg_to_var_flt(iptr->dst, d);
1361 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1363 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1364 var_to_reg_flt(s2, src, REG_FTMP2);
1365 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1367 store_reg_to_var_flt(iptr->dst, d);
1370 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1372 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1373 var_to_reg_flt(s2, src, REG_FTMP2);
1374 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1376 store_reg_to_var_flt(iptr->dst, d);
1379 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1381 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1382 var_to_reg_flt(s2, src, REG_FTMP2);
1383 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1385 store_reg_to_var_flt(iptr->dst, d);
1388 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1390 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1391 var_to_reg_flt(s2, src, REG_FTMP2);
1392 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1394 store_reg_to_var_flt(iptr->dst, d);
1397 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1399 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1400 var_to_reg_flt(s2, src, REG_FTMP2);
1401 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1403 store_reg_to_var_flt(iptr->dst, d);
1406 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1408 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1409 var_to_reg_flt(s2, src, REG_FTMP2);
1410 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1412 store_reg_to_var_flt(iptr->dst, d);
1415 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1417 var_to_reg_flt(s1, src, REG_FTMP1);
1418 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1420 disp = dseg_addfloat(cd, 0.0);
1421 M_FLD(REG_FTMP2, REG_PV, disp);
1422 M_FCMPU(s1, REG_FTMP2);
1424 disp = dseg_adds4(cd, 0);
1425 M_CVTDL_C(s1, REG_FTMP1);
1426 M_LDA(REG_ITMP1, REG_PV, disp);
1427 M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
1428 M_ILD(d, REG_PV, disp);
1429 store_reg_to_var_int(iptr->dst, d);
1432 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1434 var_to_reg_flt(s1, src, REG_FTMP1);
1435 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1437 store_reg_to_var_flt(iptr->dst, d);
1440 case ICMD_D2F: /* ..., value ==> ..., (double) value */
1442 var_to_reg_flt(s1, src, REG_FTMP1);
1443 d = reg_of_var(rd, iptr->dst, REG_FTMP3);
1445 store_reg_to_var_flt(iptr->dst, d);
1448 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1450 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1451 var_to_reg_flt(s2, src, REG_FTMP2);
1452 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
1454 M_IADD_IMM(REG_ZERO, -1, d);
1457 M_IADD_IMM(REG_ZERO, 0, d);
1459 M_IADD_IMM(REG_ZERO, 1, d);
1460 store_reg_to_var_int(iptr->dst, d);
1463 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1465 var_to_reg_flt(s1, src->prev, REG_FTMP1);
1466 var_to_reg_flt(s2, src, REG_FTMP2);
1467 d = reg_of_var(rd, iptr->dst, REG_ITMP1);
1469 M_IADD_IMM(REG_ZERO, 1, d);
1472 M_IADD_IMM(REG_ZERO, 0, d);
1474 M_IADD_IMM(REG_ZERO, -1, d);
1475 store_reg_to_var_int(iptr->dst, d);
1479 /* memory operations **************************************************/
1481 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1483 var_to_reg_int(s1, src, REG_ITMP1);
1484 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1485 gen_nullptr_check(s1);
1486 M_ILD(d, s1, OFFSET(java_arrayheader, size));
1487 store_reg_to_var_int(iptr->dst, d);
1490 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1492 var_to_reg_int(s1, src->prev, REG_ITMP1);
1493 var_to_reg_int(s2, src, REG_ITMP2);
1494 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1495 if (iptr->op1 == 0) {
1496 gen_nullptr_check(s1);
1499 M_IADD_IMM(s2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1500 M_LBZX(d, s1, REG_ITMP2);
1502 store_reg_to_var_int(iptr->dst, d);
1505 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1507 var_to_reg_int(s1, src->prev, REG_ITMP1);
1508 var_to_reg_int(s2, src, REG_ITMP2);
1509 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1510 if (iptr->op1 == 0) {
1511 gen_nullptr_check(s1);
1514 M_SLL_IMM(s2, 1, REG_ITMP2);
1515 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1516 M_LHZX(d, s1, REG_ITMP2);
1517 store_reg_to_var_int(iptr->dst, d);
1520 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1522 var_to_reg_int(s1, src->prev, REG_ITMP1);
1523 var_to_reg_int(s2, src, REG_ITMP2);
1524 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1525 if (iptr->op1 == 0) {
1526 gen_nullptr_check(s1);
1529 M_SLL_IMM(s2, 1, REG_ITMP2);
1530 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1531 M_LHAX(d, s1, REG_ITMP2);
1532 store_reg_to_var_int(iptr->dst, d);
1535 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1537 var_to_reg_int(s1, src->prev, REG_ITMP1);
1538 var_to_reg_int(s2, src, REG_ITMP2);
1539 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1540 if (iptr->op1 == 0) {
1541 gen_nullptr_check(s1);
1544 M_SLL_IMM(s2, 2, REG_ITMP2);
1545 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1546 M_LWZX(d, s1, REG_ITMP2);
1547 store_reg_to_var_int(iptr->dst, d);
1550 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1552 var_to_reg_int(s1, src->prev, REG_ITMP1);
1553 var_to_reg_int(s2, src, REG_ITMP2);
1554 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1555 if (iptr->op1 == 0) {
1556 gen_nullptr_check(s1);
1559 M_SLL_IMM(s2, 3, REG_ITMP2);
1560 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1561 M_ILD(GET_HIGH_REG(d), REG_ITMP2, OFFSET(java_longarray, data[0]));
1562 M_ILD(GET_LOW_REG(d), REG_ITMP2, OFFSET(java_longarray,
1564 store_reg_to_var_int(iptr->dst, d);
1567 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1569 var_to_reg_int(s1, src->prev, REG_ITMP1);
1570 var_to_reg_int(s2, src, REG_ITMP2);
1571 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1572 if (iptr->op1 == 0) {
1573 gen_nullptr_check(s1);
1576 M_SLL_IMM(s2, 2, REG_ITMP2);
1577 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1578 M_LFSX(d, s1, REG_ITMP2);
1579 store_reg_to_var_flt(iptr->dst, d);
1582 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1584 var_to_reg_int(s1, src->prev, REG_ITMP1);
1585 var_to_reg_int(s2, src, REG_ITMP2);
1586 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1587 if (iptr->op1 == 0) {
1588 gen_nullptr_check(s1);
1591 M_SLL_IMM(s2, 3, REG_ITMP2);
1592 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1593 M_LFDX(d, s1, REG_ITMP2);
1594 store_reg_to_var_flt(iptr->dst, d);
1597 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1599 var_to_reg_int(s1, src->prev, REG_ITMP1);
1600 var_to_reg_int(s2, src, REG_ITMP2);
1601 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1602 if (iptr->op1 == 0) {
1603 gen_nullptr_check(s1);
1606 M_SLL_IMM(s2, 2, REG_ITMP2);
1607 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1608 M_LWZX(d, s1, REG_ITMP2);
1609 store_reg_to_var_int(iptr->dst, d);
1613 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1615 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1616 var_to_reg_int(s2, src->prev, REG_ITMP2);
1617 if (iptr->op1 == 0) {
1618 gen_nullptr_check(s1);
1621 var_to_reg_int(s3, src, REG_ITMP3);
1622 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1623 M_STBX(s3, s1, REG_ITMP2);
1626 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1628 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1629 var_to_reg_int(s2, src->prev, REG_ITMP2);
1630 if (iptr->op1 == 0) {
1631 gen_nullptr_check(s1);
1634 var_to_reg_int(s3, src, REG_ITMP3);
1635 M_SLL_IMM(s2, 1, REG_ITMP2);
1636 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1637 M_STHX(s3, s1, REG_ITMP2);
1640 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1642 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1643 var_to_reg_int(s2, src->prev, REG_ITMP2);
1644 if (iptr->op1 == 0) {
1645 gen_nullptr_check(s1);
1648 var_to_reg_int(s3, src, REG_ITMP3);
1649 M_SLL_IMM(s2, 1, REG_ITMP2);
1650 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1651 M_STHX(s3, s1, REG_ITMP2);
1654 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1656 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1657 var_to_reg_int(s2, src->prev, REG_ITMP2);
1658 if (iptr->op1 == 0) {
1659 gen_nullptr_check(s1);
1662 var_to_reg_int(s3, src, REG_ITMP3);
1663 M_SLL_IMM(s2, 2, REG_ITMP2);
1664 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1665 M_STWX(s3, s1, REG_ITMP2);
1668 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1670 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1671 var_to_reg_int(s2, src->prev, REG_ITMP2);
1672 if (iptr->op1 == 0) {
1673 gen_nullptr_check(s1);
1676 var_to_reg_int_high(s3, src, REG_ITMP3);
1677 M_SLL_IMM(s2, 3, REG_ITMP2);
1678 M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
1679 M_STWX(s3, s1, REG_ITMP2);
1680 M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
1681 var_to_reg_int_low(s3, src, REG_ITMP3);
1682 M_STWX(s3, s1, REG_ITMP2);
1685 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1687 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1688 var_to_reg_int(s2, src->prev, REG_ITMP2);
1689 if (iptr->op1 == 0) {
1690 gen_nullptr_check(s1);
1693 var_to_reg_flt(s3, src, REG_FTMP3);
1694 M_SLL_IMM(s2, 2, REG_ITMP2);
1695 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1696 M_STFSX(s3, s1, REG_ITMP2);
1699 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1701 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1702 var_to_reg_int(s2, src->prev, REG_ITMP2);
1703 if (iptr->op1 == 0) {
1704 gen_nullptr_check(s1);
1707 var_to_reg_flt(s3, src, REG_FTMP3);
1708 M_SLL_IMM(s2, 3, REG_ITMP2);
1709 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1710 M_STFDX(s3, s1, REG_ITMP2);
1713 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1715 var_to_reg_int(s1, src->prev->prev, rd->argintregs[0]);
1716 var_to_reg_int(s2, src->prev, REG_ITMP2);
1717 if (iptr->op1 == 0) {
1718 gen_nullptr_check(s1);
1721 var_to_reg_int(s3, src, rd->argintregs[1]);
1723 M_INTMOVE(s1, rd->argintregs[0]);
1724 M_INTMOVE(s3, rd->argintregs[1]);
1725 disp = dseg_addaddress(cd, BUILTIN_canstore);
1726 M_ALD(REG_ITMP1, REG_PV, disp);
1731 codegen_addxstorerefs(cd, mcodeptr);
1733 var_to_reg_int(s1, src->prev->prev, REG_ITMP1);
1734 var_to_reg_int(s2, src->prev, REG_ITMP2);
1735 var_to_reg_int(s3, src, REG_ITMP3);
1736 M_SLL_IMM(s2, 2, REG_ITMP2);
1737 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1738 M_STWX(s3, s1, REG_ITMP2);
1742 case ICMD_GETSTATIC: /* ... ==> ..., value */
1743 /* op1 = type, val.a = field address */
1746 disp = dseg_addaddress(cd, NULL);
1748 codegen_addpatchref(cd, mcodeptr,
1749 PATCHER_get_putstatic,
1750 (unresolved_field *) iptr->target, disp);
1752 if (opt_showdisassemble)
1756 fieldinfo *fi = iptr->val.a;
1758 disp = dseg_addaddress(cd, &(fi->value));
1760 if (!fi->class->initialized) {
1761 codegen_addpatchref(cd, mcodeptr,
1762 PATCHER_clinit, fi->class, disp);
1764 if (opt_showdisassemble)
1769 M_ALD(REG_ITMP1, REG_PV, disp);
1770 switch (iptr->op1) {
1772 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1773 M_ILD_INTERN(d, REG_ITMP1, 0);
1774 store_reg_to_var_int(iptr->dst, d);
1777 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1778 M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
1779 M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
1780 store_reg_to_var_int(iptr->dst, d);
1783 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1784 M_ALD_INTERN(d, REG_ITMP1, 0);
1785 store_reg_to_var_int(iptr->dst, d);
1788 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1789 M_FLD_INTERN(d, REG_ITMP1, 0);
1790 store_reg_to_var_flt(iptr->dst, d);
1793 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1794 M_DLD_INTERN(d, REG_ITMP1, 0);
1795 store_reg_to_var_flt(iptr->dst, d);
1800 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1801 /* op1 = type, val.a = field address */
1805 disp = dseg_addaddress(cd, NULL);
1807 codegen_addpatchref(cd, mcodeptr,
1808 PATCHER_get_putstatic,
1809 (unresolved_field *) iptr->target, disp);
1811 if (opt_showdisassemble)
1815 fieldinfo *fi = iptr->val.a;
1817 disp = dseg_addaddress(cd, &(fi->value));
1819 if (!fi->class->initialized) {
1820 codegen_addpatchref(cd, mcodeptr,
1821 PATCHER_clinit, fi->class, disp);
1823 if (opt_showdisassemble)
1828 M_ALD(REG_ITMP1, REG_PV, disp);
1829 switch (iptr->op1) {
1831 var_to_reg_int(s2, src, REG_ITMP2);
1832 M_IST_INTERN(s2, REG_ITMP1, 0);
1835 var_to_reg_int(s2, src, PACK_REGS(REG_ITMP2, REG_ITMP3));
1836 M_IST_INTERN(GET_HIGH_REG(s2), REG_ITMP1, 0);
1837 M_IST_INTERN(GET_LOW_REG(s2), REG_ITMP1, 4);
1840 var_to_reg_int(s2, src, REG_ITMP2);
1841 M_AST_INTERN(s2, REG_ITMP1, 0);
1844 var_to_reg_flt(s2, src, REG_FTMP2);
1845 M_FST_INTERN(s2, REG_ITMP1, 0);
1848 var_to_reg_flt(s2, src, REG_FTMP2);
1849 M_DST_INTERN(s2, REG_ITMP1, 0);
1855 case ICMD_GETFIELD: /* ... ==> ..., value */
1856 /* op1 = type, val.i = field offset */
1858 var_to_reg_int(s1, src, REG_ITMP1);
1859 gen_nullptr_check(s1);
1862 codegen_addpatchref(cd, mcodeptr,
1863 PATCHER_get_putfield,
1864 (unresolved_field *) iptr->target, 0);
1866 if (opt_showdisassemble)
1872 disp = ((fieldinfo *) (iptr->val.a))->offset;
1875 switch (iptr->op1) {
1877 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1879 store_reg_to_var_int(iptr->dst, d);
1882 d = reg_of_var(rd, iptr->dst, PACK_REGS(REG_ITMP2, REG_ITMP1));
1883 M_ILD(GET_LOW_REG(d), s1, disp + 4); /* keep this order */
1884 M_ILD(GET_HIGH_REG(d), s1, disp); /* keep this order */
1885 store_reg_to_var_int(iptr->dst, d);
1888 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
1890 store_reg_to_var_int(iptr->dst, d);
1893 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1895 store_reg_to_var_flt(iptr->dst, d);
1898 d = reg_of_var(rd, iptr->dst, REG_FTMP1);
1900 store_reg_to_var_flt(iptr->dst, d);
1905 case ICMD_PUTFIELD: /* ..., value ==> ... */
1906 /* op1 = type, val.i = field offset */
1908 var_to_reg_int(s1, src->prev, REG_ITMP1);
1909 gen_nullptr_check(s1);
1911 if (!IS_FLT_DBL_TYPE(iptr->op1)) {
1912 if (IS_2_WORD_TYPE(iptr->op1)) {
1913 var_to_reg_int(s2, src, PACK_REGS(REG_ITMP2, REG_ITMP3));
1915 var_to_reg_int(s2, src, REG_ITMP2);
1918 var_to_reg_flt(s2, src, REG_FTMP2);
1922 codegen_addpatchref(cd, mcodeptr,
1923 PATCHER_get_putfield,
1924 (unresolved_field *) iptr->target, 0);
1926 if (opt_showdisassemble)
1932 disp = ((fieldinfo *) (iptr->val.a))->offset;
1935 switch (iptr->op1) {
1937 M_IST(s2, s1, disp);
1940 M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
1941 M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
1944 M_AST(s2, s1, disp);
1947 M_FST(s2, s1, disp);
1950 M_DST(s2, s1, disp);
1956 /* branch operations **************************************************/
1958 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
1960 var_to_reg_int(s1, src, REG_ITMP1);
1961 M_INTMOVE(s1, REG_ITMP1_XPTR);
1964 codegen_addpatchref(cd, mcodeptr,
1965 PATCHER_athrow_areturn,
1966 (unresolved_class *) iptr->val.a, 0);
1968 if (opt_showdisassemble)
1972 disp = dseg_addaddress(cd, asm_handle_exception);
1973 M_ALD(REG_ITMP2, REG_PV, disp);
1976 if (m->isleafmethod) M_MFLR(REG_ITMP3); /* save LR */
1977 M_BL(0); /* get current PC */
1978 M_MFLR(REG_ITMP2_XPC);
1979 if (m->isleafmethod) M_MTLR(REG_ITMP3); /* restore LR */
1980 M_RTS; /* jump to CTR */
1985 case ICMD_GOTO: /* ... ==> ... */
1986 /* op1 = target JavaVM pc */
1988 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
1992 case ICMD_JSR: /* ... ==> ... */
1993 /* op1 = target JavaVM pc */
1995 if (m->isleafmethod) M_MFLR(REG_ITMP2);
1998 M_IADD_IMM(REG_ITMP1, m->isleafmethod ? 16 : 12, REG_ITMP1);
1999 if (m->isleafmethod) M_MTLR(REG_ITMP2);
2001 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2004 case ICMD_RET: /* ... ==> ... */
2005 /* op1 = local variable */
2007 var = &(rd->locals[iptr->op1][TYPE_ADR]);
2008 if (var->flags & INMEMORY) {
2009 M_ALD(REG_ITMP1, REG_SP, var->regoff * 4);
2012 M_MTCTR(var->regoff);
2018 case ICMD_IFNULL: /* ..., value ==> ... */
2019 /* op1 = target JavaVM pc */
2021 var_to_reg_int(s1, src, REG_ITMP1);
2024 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2027 case ICMD_IFNONNULL: /* ..., value ==> ... */
2028 /* op1 = target JavaVM pc */
2030 var_to_reg_int(s1, src, REG_ITMP1);
2033 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2041 case ICMD_IFEQ: /* ..., value ==> ... */
2042 /* op1 = target JavaVM pc, val.i = constant */
2044 var_to_reg_int(s1, src, REG_ITMP1);
2045 if ((iptr->val.i >= -32768) && (iptr->val.i <= 32767)) {
2046 M_CMPI(s1, iptr->val.i);
2048 ICONST(REG_ITMP2, iptr->val.i);
2049 M_CMP(s1, REG_ITMP2);
2051 switch (iptr->opc) {
2071 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2075 case ICMD_IF_LEQ: /* ..., value ==> ... */
2076 /* op1 = target JavaVM pc, val.l = constant */
2078 var_to_reg_int_low(s1, src, REG_ITMP1);
2079 var_to_reg_int_high(s2, src, REG_ITMP2);
2080 if (iptr->val.l == 0) {
2081 M_OR(s1, s2, REG_ITMP3);
2082 M_CMPI(REG_ITMP3, 0);
2083 } else if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2084 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2086 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2088 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2089 M_CMP(s2, REG_ITMP3);
2091 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2092 M_CMP(s1, REG_ITMP3)
2095 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2098 case ICMD_IF_LLT: /* ..., value ==> ... */
2099 /* op1 = target JavaVM pc, val.l = constant */
2100 var_to_reg_int_low(s1, src, REG_ITMP1);
2101 var_to_reg_int_high(s2, src, REG_ITMP2);
2102 /* if (iptr->val.l == 0) { */
2103 /* M_OR(s1, s2, REG_ITMP3); */
2104 /* M_CMPI(REG_ITMP3, 0); */
2107 if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2108 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2110 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2112 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2114 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2115 M_CMP(s2, REG_ITMP3);
2117 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2119 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2120 M_CMP(s1, REG_ITMP3)
2123 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2126 case ICMD_IF_LLE: /* ..., value ==> ... */
2127 /* op1 = target JavaVM pc, val.l = constant */
2129 var_to_reg_int_low(s1, src, REG_ITMP1);
2130 var_to_reg_int_high(s2, src, REG_ITMP2);
2131 /* if (iptr->val.l == 0) { */
2132 /* M_OR(s1, s2, REG_ITMP3); */
2133 /* M_CMPI(REG_ITMP3, 0); */
2136 if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2137 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2139 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2141 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2143 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2144 M_CMP(s2, REG_ITMP3);
2146 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2148 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2149 M_CMP(s1, REG_ITMP3)
2152 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2155 case ICMD_IF_LNE: /* ..., value ==> ... */
2156 /* op1 = target JavaVM pc, val.l = constant */
2158 var_to_reg_int_low(s1, src, REG_ITMP1);
2159 var_to_reg_int_high(s2, src, REG_ITMP2);
2160 if (iptr->val.l == 0) {
2161 M_OR(s1, s2, REG_ITMP3);
2162 M_CMPI(REG_ITMP3, 0);
2163 } else if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2164 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2166 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2168 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2169 M_CMP(s2, REG_ITMP3);
2171 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2172 M_CMP(s1, REG_ITMP3)
2175 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2178 case ICMD_IF_LGT: /* ..., value ==> ... */
2179 /* op1 = target JavaVM pc, val.l = constant */
2181 var_to_reg_int_low(s1, src, REG_ITMP1);
2182 var_to_reg_int_high(s2, src, REG_ITMP2);
2183 /* if (iptr->val.l == 0) { */
2184 /* M_OR(s1, s2, REG_ITMP3); */
2185 /* M_CMPI(REG_ITMP3, 0); */
2188 if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2189 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2191 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2193 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2195 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2196 M_CMP(s2, REG_ITMP3);
2198 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2200 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2201 M_CMP(s1, REG_ITMP3)
2204 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2207 case ICMD_IF_LGE: /* ..., value ==> ... */
2208 /* op1 = target JavaVM pc, val.l = constant */
2209 var_to_reg_int_low(s1, src, REG_ITMP1);
2210 var_to_reg_int_high(s2, src, REG_ITMP2);
2211 /* if (iptr->val.l == 0) { */
2212 /* M_OR(s1, s2, REG_ITMP3); */
2213 /* M_CMPI(REG_ITMP3, 0); */
2216 if ((iptr->val.l >= -32768) && (iptr->val.l <= 32767)) {
2217 M_CMPI(s2, (u4) (iptr->val.l >> 32));
2219 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2221 M_CMPI(s1, (u4) (iptr->val.l & 0xffffffff));
2223 ICONST(REG_ITMP3, (u4) (iptr->val.l >> 32));
2224 M_CMP(s2, REG_ITMP3);
2226 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2228 ICONST(REG_ITMP3, (u4) (iptr->val.l & 0xffffffff));
2229 M_CMP(s1, REG_ITMP3)
2232 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2236 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
2237 case ICMD_IF_LCMPEQ: /* op1 = target JavaVM pc */
2238 /******************************************************************
2239 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2240 *******************************************************************/
2241 case ICMD_IF_ACMPEQ:
2243 var_to_reg_int(s1, src->prev, REG_ITMP1);
2244 var_to_reg_int(s2, src, REG_ITMP2);
2247 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2250 case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
2251 case ICMD_IF_LCMPNE: /* op1 = target JavaVM pc */
2252 /******************************************************************
2253 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2254 *******************************************************************/
2255 case ICMD_IF_ACMPNE:
2257 var_to_reg_int(s1, src->prev, REG_ITMP1);
2258 var_to_reg_int(s2, src, REG_ITMP2);
2261 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2264 case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
2265 case ICMD_IF_LCMPLT: /* op1 = target JavaVM pc */
2266 /******************************************************************
2267 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2268 *******************************************************************/
2270 var_to_reg_int(s1, src->prev, REG_ITMP1);
2271 var_to_reg_int(s2, src, REG_ITMP2);
2274 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2277 case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
2278 case ICMD_IF_LCMPGT: /* op1 = target JavaVM pc */
2279 /******************************************************************
2280 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2281 *******************************************************************/
2283 var_to_reg_int(s1, src->prev, REG_ITMP1);
2284 var_to_reg_int(s2, src, REG_ITMP2);
2287 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2290 case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
2291 case ICMD_IF_LCMPLE: /* op1 = target JavaVM pc */
2292 /******************************************************************
2293 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2294 *******************************************************************/
2296 var_to_reg_int(s1, src->prev, REG_ITMP1);
2297 var_to_reg_int(s2, src, REG_ITMP2);
2300 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2303 case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
2304 case ICMD_IF_LCMPGE: /* op1 = target JavaVM pc */
2305 /******************************************************************
2306 TODO: CMP UPPER 32 BIT OF LONGS, TOO!
2307 *******************************************************************/
2309 var_to_reg_int(s1, src->prev, REG_ITMP1);
2310 var_to_reg_int(s2, src, REG_ITMP2);
2313 codegen_addreference(cd, (basicblock *) iptr->target, mcodeptr);
2316 case ICMD_IRETURN: /* ..., retvalue ==> ... */
2318 var_to_reg_int(s1, src, REG_RESULT);
2319 M_TINTMOVE(src->type, s1, REG_RESULT);
2320 goto nowperformreturn;
2322 case ICMD_ARETURN: /* ..., retvalue ==> ... */
2324 var_to_reg_int(s1, src, REG_RESULT);
2325 M_TINTMOVE(src->type, s1, REG_RESULT);
2328 codegen_addpatchref(cd, mcodeptr,
2329 PATCHER_athrow_areturn,
2330 (unresolved_class *) iptr->val.a, 0);
2332 if (opt_showdisassemble)
2335 goto nowperformreturn;
2337 case ICMD_LRETURN: /* ..., retvalue ==> ... */
2339 var_to_reg_int(s1, src, PACK_REGS(REG_RESULT2, REG_RESULT));
2340 M_TINTMOVE(src->type, s1, PACK_REGS(REG_RESULT2, REG_RESULT));
2341 goto nowperformreturn;
2343 case ICMD_FRETURN: /* ..., retvalue ==> ... */
2346 var_to_reg_flt(s1, src, REG_FRESULT);
2347 M_FLTMOVE(s1, REG_FRESULT);
2348 goto nowperformreturn;
2350 case ICMD_RETURN: /* ... ==> ... */
2356 p = parentargs_base;
2358 /* call trace function */
2362 M_LDA(REG_SP, REG_SP, -10 * 8);
2363 M_DST(REG_FRESULT, REG_SP, 48+0);
2364 M_IST(REG_RESULT, REG_SP, 48+8);
2365 M_AST(REG_ZERO, REG_SP, 48+12);
2366 M_IST(REG_RESULT2, REG_SP, 48+16);
2368 /* keep this order */
2369 switch (iptr->opc) {
2372 #if defined(__DARWIN__)
2373 M_MOV(REG_RESULT, rd->argintregs[2]);
2374 M_CLR(rd->argintregs[1]);
2376 M_MOV(REG_RESULT, rd->argintregs[3]);
2377 M_CLR(rd->argintregs[2]);
2382 #if defined(__DARWIN__)
2383 M_MOV(REG_RESULT2, rd->argintregs[2]);
2384 M_MOV(REG_RESULT, rd->argintregs[1]);
2386 M_MOV(REG_RESULT2, rd->argintregs[3]);
2387 M_MOV(REG_RESULT, rd->argintregs[2]);
2392 disp = dseg_addaddress(cd, m);
2393 M_ALD(rd->argintregs[0], REG_PV, disp);
2395 M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
2396 M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
2397 disp = dseg_addaddress(cd, builtin_displaymethodstop);
2398 M_ALD(REG_ITMP2, REG_PV, disp);
2402 M_DLD(REG_FRESULT, REG_SP, 48+0);
2403 M_ILD(REG_RESULT, REG_SP, 48+8);
2404 M_ALD(REG_ZERO, REG_SP, 48+12);
2405 M_ILD(REG_RESULT2, REG_SP, 48+16);
2406 M_LDA(REG_SP, REG_SP, 10 * 8);
2410 #if defined(USE_THREADS)
2411 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2412 /* we need to save the proper return value */
2413 switch (iptr->opc) {
2415 M_IST(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
2419 M_IST(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
2422 M_FST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2425 M_DST(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2429 disp = dseg_addaddress(cd, BUILTIN_monitorexit);
2430 M_ALD(REG_ITMP3, REG_PV, disp);
2432 M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 4);
2435 /* and now restore the proper return value */
2436 switch (iptr->opc) {
2438 M_ILD(REG_RESULT2, REG_SP, rd->memuse * 4 + 8);
2442 M_ILD(REG_RESULT , REG_SP, rd->memuse * 4 + 4);
2445 M_FLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2448 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 4 + 4);
2454 /* restore return address */
2456 if (!m->isleafmethod) {
2457 M_ALD(REG_ZERO, REG_SP, p * 4 + LA_LR_OFFSET);
2461 /* restore saved registers */
2463 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2464 p--; M_ILD(rd->savintregs[i], REG_SP, p * 4);
2466 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2467 p -= 2; M_DLD(rd->savfltregs[i], REG_SP, p * 4);
2470 /* deallocate stack */
2472 if (parentargs_base)
2473 M_LDA(REG_SP, REG_SP, parentargs_base * 4);
2481 case ICMD_TABLESWITCH: /* ..., index ==> ... */
2486 tptr = (void **) iptr->target;
2488 s4ptr = iptr->val.a;
2489 l = s4ptr[1]; /* low */
2490 i = s4ptr[2]; /* high */
2492 var_to_reg_int(s1, src, REG_ITMP1);
2494 M_INTMOVE(s1, REG_ITMP1);
2495 } else if (l <= 32768) {
2496 M_LDA(REG_ITMP1, s1, -l);
2498 ICONST(REG_ITMP2, l);
2499 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2505 M_CMPUI(REG_ITMP1, i - 1);
2507 codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr);
2509 /* build jump table top down and use address of lowest entry */
2511 /* s4ptr += 3 + i; */
2515 dseg_addtarget(cd, (basicblock *) tptr[0]);
2520 /* length of dataseg after last dseg_addtarget is used by load */
2522 M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
2523 M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
2524 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2531 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
2533 s4 i, l, val, *s4ptr;
2536 tptr = (void **) iptr->target;
2538 s4ptr = iptr->val.a;
2539 l = s4ptr[0]; /* default */
2540 i = s4ptr[1]; /* count */
2542 MCODECHECK((i<<2)+8);
2543 var_to_reg_int(s1, src, REG_ITMP1);
2549 if ((val >= -32768) && (val <= 32767)) {
2552 a = dseg_adds4(cd, val);
2553 M_ILD(REG_ITMP2, REG_PV, a);
2554 M_CMP(s1, REG_ITMP2);
2557 codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr);
2561 tptr = (void **) iptr->target;
2562 codegen_addreference(cd, (basicblock *) tptr[0], mcodeptr);
2569 case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
2570 /* op1 = arg count val.a = builtintable entry */
2576 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2577 /* op1 = arg count, val.a = method pointer */
2579 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2580 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2581 case ICMD_INVOKEINTERFACE:
2586 unresolved_method *um = iptr->target;
2587 md = um->methodref->parseddesc.md;
2589 md = lm->parseddesc;
2593 s3 = md->paramcount;
2595 MCODECHECK((s3 << 1) + 64);
2597 /* copy arguments to registers or stack location */
2599 for (s3 = s3 - 1; s3 >= 0; s3--, src = src->prev) {
2600 if (src->varkind == ARGVAR)
2602 if (IS_INT_LNG_TYPE(src->type)) {
2603 if (!md->params[s3].inmemory) {
2604 if (IS_2_WORD_TYPE(src->type)) {
2606 rd->argintregs[GET_LOW_REG(md->params[s3].regoff)],
2607 rd->argintregs[GET_HIGH_REG(md->params[s3].regoff)]);
2609 s1 = rd->argintregs[md->params[s3].regoff];
2611 var_to_reg_int(d, src, s1);
2612 M_TINTMOVE(src->type, d, s1);
2614 var_to_reg_int(d, src, PACK_REGS(REG_ITMP2, REG_ITMP1));
2615 M_IST(GET_HIGH_REG(d), REG_SP,
2616 md->params[s3].regoff * 4);
2617 if (IS_2_WORD_TYPE(src->type)) {
2618 M_IST(GET_LOW_REG(d),
2619 REG_SP, md->params[s3].regoff * 4 + 4);
2624 if (!md->params[s3].inmemory) {
2625 s1 = rd->argfltregs[md->params[s3].regoff];
2626 var_to_reg_flt(d, src, s1);
2629 var_to_reg_flt(d, src, REG_FTMP1);
2630 if (IS_2_WORD_TYPE(src->type)) {
2631 M_DST(d, REG_SP, md->params[s3].regoff * 4);
2633 M_FST(d, REG_SP, md->params[s3].regoff * 4);
2639 switch (iptr->opc) {
2641 disp = dseg_addaddress(cd, bte->fp);
2642 d = md->returntype.type;
2644 M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
2647 disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
2649 M_LDA(REG_PV, REG_ITMP1, -disp);
2651 /* if op1 == true, we need to check for an exception */
2653 if (iptr->op1 == true) {
2654 M_CMPI(REG_RESULT, 0);
2656 codegen_addxexceptionrefs(cd, mcodeptr);
2660 case ICMD_INVOKESPECIAL:
2661 gen_nullptr_check(rd->argintregs[0]);
2662 M_ILD(REG_ITMP1, rd->argintregs[0], 0); /* hardware nullptr */
2665 case ICMD_INVOKESTATIC:
2667 unresolved_method *um = iptr->target;
2669 disp = dseg_addaddress(cd, NULL);
2671 codegen_addpatchref(cd, mcodeptr,
2672 PATCHER_invokestatic_special, um, disp);
2674 if (opt_showdisassemble)
2677 d = md->returntype.type;
2680 disp = dseg_addaddress(cd, lm->stubroutine);
2681 d = md->returntype.type;
2684 M_ALD(REG_PV, REG_PV, disp);
2687 disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
2689 M_LDA(REG_PV, REG_ITMP1, -disp);
2692 case ICMD_INVOKEVIRTUAL:
2693 gen_nullptr_check(rd->argintregs[0]);
2696 unresolved_method *um = iptr->target;
2698 codegen_addpatchref(cd, mcodeptr,
2699 PATCHER_invokevirtual, um, 0);
2701 if (opt_showdisassemble)
2705 d = md->returntype.type;
2708 s1 = OFFSET(vftbl_t, table[0]) +
2709 sizeof(methodptr) * lm->vftblindex;
2710 d = md->returntype.type;
2713 M_ALD(REG_METHODPTR, rd->argintregs[0],
2714 OFFSET(java_objectheader, vftbl));
2715 M_ALD(REG_PV, REG_METHODPTR, s1);
2718 disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
2720 M_LDA(REG_PV, REG_ITMP1, -disp);
2723 case ICMD_INVOKEINTERFACE:
2724 gen_nullptr_check(rd->argintregs[0]);
2727 unresolved_method *um = iptr->target;
2729 codegen_addpatchref(cd, mcodeptr,
2730 PATCHER_invokeinterface, um, 0);
2732 if (opt_showdisassemble)
2737 d = md->returntype.type;
2740 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2741 sizeof(methodptr*) * lm->class->index;
2743 s2 = sizeof(methodptr) * (lm - lm->class->methods);
2745 d = md->returntype.type;
2748 M_ALD(REG_METHODPTR, rd->argintregs[0],
2749 OFFSET(java_objectheader, vftbl));
2750 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2751 M_ALD(REG_PV, REG_METHODPTR, s2);
2754 disp = (s4) ((u1 *) mcodeptr - cd->mcodebase);
2756 M_LDA(REG_PV, REG_ITMP1, -disp);
2760 /* d contains return type */
2762 if (d != TYPE_VOID) {
2763 if (IS_INT_LNG_TYPE(iptr->dst->type)) {
2764 if (IS_2_WORD_TYPE(iptr->dst->type)) {
2765 s1 = reg_of_var(rd, iptr->dst,
2766 PACK_REGS(REG_RESULT2, REG_RESULT));
2767 M_TINTMOVE(iptr->dst->type,
2768 PACK_REGS(REG_RESULT2, REG_RESULT), s1);
2770 s1 = reg_of_var(rd, iptr->dst, REG_RESULT);
2771 M_TINTMOVE(iptr->dst->type, REG_RESULT, s1);
2773 store_reg_to_var_int(iptr->dst, s1);
2776 s1 = reg_of_var(rd, iptr->dst, REG_FRESULT);
2777 M_FLTMOVE(REG_FRESULT, s1);
2778 store_reg_to_var_flt(iptr->dst, s1);
2784 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2785 /* op1: 0 == array, 1 == class */
2786 /* val.a: (classinfo*) superclass */
2788 /* superclass is an interface:
2790 * OK if ((sub == NULL) ||
2791 * (sub->vftbl->interfacetablelength > super->index) &&
2792 * (sub->vftbl->interfacetable[-super->index] != NULL));
2794 * superclass is a class:
2796 * OK if ((sub == NULL) || (0
2797 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2798 * super->vftbl->diffvall));
2801 if (iptr->op1 == 1) {
2802 /* object type cast-check */
2805 vftbl_t *supervftbl;
2808 super = (classinfo *) iptr->val.a;
2815 superindex = super->index;
2816 supervftbl = super->vftbl;
2819 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
2820 codegen_threadcritrestart(cd, (u1 *) mcodeptr - cd->mcodebase);
2822 var_to_reg_int(s1, src, REG_ITMP1);
2824 /* calculate interface checkcast code size */
2828 s2 += (opt_showdisassemble ? 1 : 0);
2830 /* calculate class checkcast code size */
2832 s3 = 8 + (s1 == REG_ITMP1);
2834 s3 += (opt_showdisassemble ? 1 : 0);
2836 /* if class is not resolved, check which code to call */
2840 M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
2842 disp = dseg_adds4(cd, 0); /* super->flags */
2844 codegen_addpatchref(cd, mcodeptr,
2845 PATCHER_checkcast_instanceof_flags,
2846 (constant_classref *) iptr->target, disp);
2848 if (opt_showdisassemble)
2851 M_ILD(REG_ITMP2, REG_PV, disp);
2852 M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
2856 /* interface checkcast code */
2858 if (!super || (super->flags & ACC_INTERFACE)) {
2864 codegen_addpatchref(cd, mcodeptr,
2865 PATCHER_checkcast_instanceof_interface,
2866 (constant_classref *) iptr->target, 0);
2868 if (opt_showdisassemble)
2872 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2873 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
2874 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2876 codegen_addxcastrefs(cd, mcodeptr);
2877 M_ALD(REG_ITMP3, REG_ITMP2,
2878 OFFSET(vftbl_t, interfacetable[0]) -
2879 superindex * sizeof(methodptr*));
2882 codegen_addxcastrefs(cd, mcodeptr);
2888 /* class checkcast code */
2890 if (!super || !(super->flags & ACC_INTERFACE)) {
2891 disp = dseg_addaddress(cd, supervftbl);
2898 codegen_addpatchref(cd, mcodeptr,
2899 PATCHER_checkcast_class,
2900 (constant_classref *) iptr->target,
2903 if (opt_showdisassemble)
2907 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2908 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
2909 codegen_threadcritstart(cd, (u1 *) mcodeptr - cd->mcodebase);
2911 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2912 M_ALD(REG_ITMP2, REG_PV, disp);
2913 if (s1 != REG_ITMP1) {
2914 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
2915 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2916 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
2917 codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase);
2919 M_ISUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
2921 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2922 M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2923 M_ALD(REG_ITMP2, REG_PV, disp);
2924 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2925 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
2926 codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase);
2929 M_CMPU(REG_ITMP3, REG_ITMP2);
2931 codegen_addxcastrefs(cd, mcodeptr);
2933 d = reg_of_var(rd, iptr->dst, s1);
2936 /* array type cast-check */
2938 var_to_reg_int(s1, src, rd->argintregs[0]);
2939 M_INTMOVE(s1, rd->argintregs[0]);
2941 disp = dseg_addaddress(cd, iptr->val.a);
2943 if (iptr->val.a == NULL) {
2944 codegen_addpatchref(cd, mcodeptr,
2945 PATCHER_builtin_arraycheckcast,
2946 (constant_classref *) iptr->target,
2949 if (opt_showdisassemble)
2953 M_ALD(rd->argintregs[1], REG_PV, disp);
2954 disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
2955 M_ALD(REG_ITMP2, REG_PV, disp);
2960 codegen_addxcastrefs(cd, mcodeptr);
2962 var_to_reg_int(s1, src, REG_ITMP1);
2963 d = reg_of_var(rd, iptr->dst, s1);
2966 store_reg_to_var_int(iptr->dst, d);
2969 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
2970 /* val.a: (classinfo*) superclass */
2972 /* superclass is an interface:
2974 * return (sub != NULL) &&
2975 * (sub->vftbl->interfacetablelength > super->index) &&
2976 * (sub->vftbl->interfacetable[-super->index] != NULL);
2978 * superclass is a class:
2980 * return ((sub != NULL) && (0
2981 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2982 * super->vftbl->diffvall));
2987 vftbl_t *supervftbl;
2990 super = (classinfo *) iptr->val.a;
2997 superindex = super->index;
2998 supervftbl = super->vftbl;
3001 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
3002 codegen_threadcritrestart(cd, (u1*) mcodeptr - cd->mcodebase);
3004 var_to_reg_int(s1, src, REG_ITMP1);
3005 d = reg_of_var(rd, iptr->dst, REG_ITMP2);
3007 M_MOV(s1, REG_ITMP1);
3011 /* calculate interface instanceof code size */
3015 s2 += (opt_showdisassemble ? 1 : 0);
3017 /* calculate class instanceof code size */
3021 s3 += (opt_showdisassemble ? 1 : 0);
3025 /* if class is not resolved, check which code to call */
3029 M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
3031 disp = dseg_adds4(cd, 0); /* super->flags */
3033 codegen_addpatchref(cd, mcodeptr,
3034 PATCHER_checkcast_instanceof_flags,
3035 (constant_classref *) iptr->target, disp);
3037 if (opt_showdisassemble)
3040 M_ILD(REG_ITMP3, REG_PV, disp);
3041 M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
3045 /* interface instanceof code */
3047 if (!super || (super->flags & ACC_INTERFACE)) {
3053 codegen_addpatchref(cd, mcodeptr,
3054 PATCHER_checkcast_instanceof_interface,
3055 (constant_classref *) iptr->target, 0);
3057 if (opt_showdisassemble)
3061 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3062 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
3063 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
3065 M_ALD(REG_ITMP1, REG_ITMP1,
3066 OFFSET(vftbl_t, interfacetable[0]) -
3067 superindex * sizeof(methodptr*));
3070 M_IADD_IMM(REG_ZERO, 1, d);
3076 /* class instanceof code */
3078 if (!super || !(super->flags & ACC_INTERFACE)) {
3079 disp = dseg_addaddress(cd, supervftbl);
3086 codegen_addpatchref(cd, mcodeptr,
3087 PATCHER_instanceof_class,
3088 (constant_classref *) iptr->target,
3091 if (opt_showdisassemble) {
3096 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
3097 M_ALD(REG_ITMP2, REG_PV, disp);
3098 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
3099 codegen_threadcritstart(cd, (u1 *) mcodeptr - cd->mcodebase);
3101 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
3102 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
3103 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
3104 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
3105 codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase);
3107 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
3108 M_CMPU(REG_ITMP1, REG_ITMP2);
3111 M_IADD_IMM(REG_ZERO, 1, d);
3113 store_reg_to_var_int(iptr->dst, d);
3117 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
3118 /* op1 = dimension, val.a = array descriptor */
3120 /* check for negative sizes and copy sizes to stack if necessary */
3122 MCODECHECK((iptr->op1 << 1) + 64);
3124 for (s1 = iptr->op1; --s1 >= 0; src = src->prev) {
3125 /* copy SAVEDVAR sizes to stack */
3127 if (src->varkind != ARGVAR) {
3128 var_to_reg_int(s2, src, REG_ITMP1);
3129 #if defined(__DARWIN__)
3130 M_IST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 4);
3132 M_IST(s2, REG_SP, LA_SIZE + (s1 + 3) * 4);
3137 /* a0 = dimension count */
3139 ICONST(rd->argintregs[0], iptr->op1);
3141 /* is patcher function set? */
3144 disp = dseg_addaddress(cd, NULL);
3146 codegen_addpatchref(cd, mcodeptr,
3147 PATCHER_builtin_multianewarray,
3150 if (opt_showdisassemble)
3154 disp = dseg_addaddress(cd, iptr->val.a);
3157 /* a1 = arraydescriptor */
3159 M_ALD(rd->argintregs[1], REG_PV, disp);
3161 /* a2 = pointer to dimensions = stack pointer */
3163 #if defined(__DARWIN__)
3164 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + INT_ARG_CNT * 4);
3166 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + 3 * 4);
3169 disp = dseg_addaddress(cd, BUILTIN_multianewarray);
3170 M_ALD(REG_ITMP3, REG_PV, disp);
3174 /* check for exception before result assignment */
3176 M_CMPI(REG_RESULT, 0);
3178 codegen_addxexceptionrefs(cd, mcodeptr);
3180 d = reg_of_var(rd, iptr->dst, REG_RESULT);
3181 M_INTMOVE(REG_RESULT, d);
3182 store_reg_to_var_int(iptr->dst, d);
3187 new_internalerror("Unknown ICMD %d", iptr->opc);
3191 } /* for instruction */
3193 /* copy values to interface registers */
3195 src = bptr->outstack;
3196 len = bptr->outdepth;
3197 MCODECHECK(64 + len);
3203 if ((src->varkind != STACKVAR)) {
3205 if (IS_FLT_DBL_TYPE(s2)) {
3206 var_to_reg_flt(s1, src, REG_FTMP1);
3207 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3208 M_FLTMOVE(s1, rd->interfaces[len][s2].regoff);
3211 M_DST(s1, REG_SP, rd->interfaces[len][s2].regoff * 4);
3215 var_to_reg_int(s1, src, REG_ITMP1);
3216 if (!(rd->interfaces[len][s2].flags & INMEMORY)) {
3217 M_TINTMOVE(s2, s1, rd->interfaces[len][s2].regoff);
3220 if (IS_2_WORD_TYPE(s2)) {
3221 M_IST(GET_HIGH_REG(s1),
3222 REG_SP, rd->interfaces[len][s2].regoff * 4);
3223 M_IST(GET_LOW_REG(s1), REG_SP,
3224 rd->interfaces[len][s2].regoff * 4 + 4);
3226 M_IST(s1, REG_SP, rd->interfaces[len][s2].regoff * 4);
3234 } /* if (bptr -> flags >= BBREACHED) */
3235 } /* for basic block */
3237 codegen_createlinenumbertable(cd);
3244 /* generate ArithemticException check stubs */
3248 for (bref = cd->xdivrefs; bref != NULL; bref = bref->next) {
3249 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3251 (u1 *) mcodeptr - cd->mcodebase);
3255 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3257 if (xcodeptr != NULL) {
3258 disp = xcodeptr - mcodeptr - 1;
3262 xcodeptr = mcodeptr;
3264 if (m->isleafmethod) {
3266 M_AST(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3269 M_MOV(REG_PV, rd->argintregs[0]);
3270 M_MOV(REG_SP, rd->argintregs[1]);
3272 if (m->isleafmethod)
3273 M_MOV(REG_ZERO, rd->argintregs[2]);
3275 M_ALD(rd->argintregs[2],
3276 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3278 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3280 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 5 * 4));
3281 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3283 disp = dseg_addaddress(cd, stacktrace_inline_arithmeticexception);
3284 M_ALD(REG_ITMP1, REG_PV, disp);
3287 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3289 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3290 M_IADD_IMM(REG_SP, LA_SIZE + 5 * 4, REG_SP);
3292 if (m->isleafmethod) {
3293 M_ALD(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3297 disp = dseg_addaddress(cd, asm_handle_exception);
3298 M_ALD(REG_ITMP3, REG_PV, disp);
3304 /* generate ArrayIndexOutOfBoundsException stubs */
3308 for (bref = cd->xboundrefs; bref != NULL; bref = bref->next) {
3309 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3311 (u1 *) mcodeptr - cd->mcodebase);
3315 /* move index register into REG_ITMP1 */
3317 M_MOV(bref->reg, REG_ITMP1);
3319 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3321 if (xcodeptr != NULL) {
3322 disp = xcodeptr - mcodeptr - 1;
3326 xcodeptr = mcodeptr;
3328 if (m->isleafmethod) {
3330 M_AST(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3333 M_MOV(REG_PV, rd->argintregs[0]);
3334 M_MOV(REG_SP, rd->argintregs[1]);
3336 if (m->isleafmethod)
3337 M_MOV(REG_ZERO, rd->argintregs[2]);
3339 M_ALD(rd->argintregs[2],
3340 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3342 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3343 M_MOV(REG_ITMP1, rd->argintregs[4]);
3345 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 6 * 4));
3346 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 4);
3348 disp = dseg_addaddress(cd, stacktrace_inline_arrayindexoutofboundsexception);
3349 M_ALD(REG_ITMP1, REG_PV, disp);
3352 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3354 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 4);
3355 M_IADD_IMM(REG_SP, LA_SIZE + 6 * 4, REG_SP);
3357 if (m->isleafmethod) {
3358 M_ALD(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3362 disp = dseg_addaddress(cd, asm_handle_exception);
3363 M_ALD(REG_ITMP3, REG_PV, disp);
3369 /* generate ArrayStoreException check stubs */
3373 for (bref = cd->xstorerefs; bref != NULL; bref = bref->next) {
3374 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3376 (u1 *) mcodeptr - cd->mcodebase);
3380 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3382 if (xcodeptr != NULL) {
3383 disp = xcodeptr - mcodeptr - 1;
3387 xcodeptr = mcodeptr;
3389 M_MOV(REG_PV, rd->argintregs[0]);
3390 M_MOV(REG_SP, rd->argintregs[1]);
3391 M_ALD(rd->argintregs[2],
3392 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3393 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3395 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 5 * 4));
3396 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3398 disp = dseg_addaddress(cd, stacktrace_inline_arraystoreexception);
3399 M_ALD(REG_ITMP1, REG_PV, disp);
3402 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3404 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3405 M_IADD_IMM(REG_SP, LA_SIZE + 5 * 4, REG_SP);
3407 disp = dseg_addaddress(cd, asm_handle_exception);
3408 M_ALD(REG_ITMP3, REG_PV, disp);
3414 /* generate ClassCastException stubs */
3418 for (bref = cd->xcastrefs; bref != NULL; bref = bref->next) {
3419 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3421 (u1 *) mcodeptr - cd->mcodebase);
3425 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3427 if (xcodeptr != NULL) {
3428 disp = xcodeptr - mcodeptr - 1;
3432 xcodeptr = mcodeptr;
3434 if (m->isleafmethod) {
3436 M_AST(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3439 M_MOV(REG_PV, rd->argintregs[0]);
3440 M_MOV(REG_SP, rd->argintregs[1]);
3442 if (m->isleafmethod)
3443 M_MOV(REG_ZERO, rd->argintregs[2]);
3445 M_ALD(rd->argintregs[2],
3446 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3448 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3450 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 5 * 4));
3451 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3453 disp = dseg_addaddress(cd, stacktrace_inline_classcastexception);
3454 M_ALD(REG_ITMP1, REG_PV, disp);
3457 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3459 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3460 M_IADD_IMM(REG_SP, LA_SIZE + 5 * 4, REG_SP);
3462 if (m->isleafmethod) {
3463 M_ALD(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3467 disp = dseg_addaddress(cd, asm_handle_exception);
3468 M_ALD(REG_ITMP3, REG_PV, disp);
3474 /* generate NullPointerException stubs */
3478 for (bref = cd->xnullrefs; bref != NULL; bref = bref->next) {
3479 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3481 (u1 *) mcodeptr - cd->mcodebase);
3485 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3487 if (xcodeptr != NULL) {
3488 disp = xcodeptr - mcodeptr - 1;
3492 xcodeptr = mcodeptr;
3494 if (m->isleafmethod) {
3496 M_AST(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3499 M_MOV(REG_PV, rd->argintregs[0]);
3500 M_MOV(REG_SP, rd->argintregs[1]);
3502 if (m->isleafmethod)
3503 M_MOV(REG_ZERO, rd->argintregs[2]);
3505 M_ALD(rd->argintregs[2],
3506 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3508 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3510 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 5 * 4));
3511 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3513 disp = dseg_addaddress(cd, stacktrace_inline_nullpointerexception);
3514 M_ALD(REG_ITMP1, REG_PV, disp);
3517 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3519 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3520 M_IADD_IMM(REG_SP, LA_SIZE + 5 * 4, REG_SP);
3522 if (m->isleafmethod) {
3523 M_ALD(REG_ZERO, REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3527 disp = dseg_addaddress(cd, asm_handle_exception);
3528 M_ALD(REG_ITMP3, REG_PV, disp);
3534 /* generate exception check stubs */
3538 for (bref = cd->xexceptionrefs; bref != NULL; bref = bref->next) {
3539 gen_resolvebranch((u1 *) cd->mcodebase + bref->branchpos,
3541 (u1 *) mcodeptr - cd->mcodebase);
3545 M_LDA(REG_ITMP2_XPC, REG_PV, bref->branchpos - 4);
3547 if (xcodeptr != NULL) {
3548 disp = xcodeptr - mcodeptr - 1;
3552 xcodeptr = mcodeptr;
3554 M_MOV(REG_PV, rd->argintregs[0]);
3555 M_MOV(REG_SP, rd->argintregs[1]);
3556 M_ALD(rd->argintregs[2],
3557 REG_SP, parentargs_base * 4 + LA_LR_OFFSET);
3558 M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
3560 M_STWU(REG_SP, REG_SP, -(LA_SIZE + 5 * 4));
3561 M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3563 disp = dseg_addaddress(cd, stacktrace_inline_fillInStackTrace);
3564 M_ALD(REG_ITMP1, REG_PV, disp);
3567 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3569 M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 4 * 4);
3570 M_IADD_IMM(REG_SP, LA_SIZE + 5 * 4, REG_SP);
3572 disp = dseg_addaddress(cd, asm_handle_exception);
3573 M_ALD(REG_ITMP3, REG_PV, disp);
3579 /* generate patcher stub call code */
3586 for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
3587 /* check code segment size */
3591 /* Get machine code which is patched back in later. The call is */
3592 /* 1 instruction word long. */
3594 xcodeptr = (s4 *) (cd->mcodebase + pref->branchpos);
3597 /* patch in the call to call the following code (done at compile */
3600 tmpmcodeptr = mcodeptr; /* save current mcodeptr */
3601 mcodeptr = xcodeptr; /* set mcodeptr to patch position */
3603 M_BR(tmpmcodeptr - (xcodeptr + 1));
3605 mcodeptr = tmpmcodeptr; /* restore the current mcodeptr */
3607 /* create stack frame - keep stack 16-byte aligned */
3609 M_AADD_IMM(REG_SP, -8 * 4, REG_SP);
3611 /* calculate return address and move it onto the stack */
3613 M_LDA(REG_ITMP3, REG_PV, pref->branchpos);
3614 M_AST_INTERN(REG_ITMP3, REG_SP, 5 * 4);
3616 /* move pointer to java_objectheader onto stack */
3618 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
3619 /* order reversed because of data segment layout */
3621 (void) dseg_addaddress(cd, get_dummyLR()); /* monitorPtr */
3622 disp = dseg_addaddress(cd, NULL); /* vftbl */
3624 M_LDA(REG_ITMP3, REG_PV, disp);
3625 M_AST_INTERN(REG_ITMP3, REG_SP, 4 * 4);
3630 /* move machine code onto stack */
3632 disp = dseg_adds4(cd, mcode);
3633 M_ILD(REG_ITMP3, REG_PV, disp);
3634 M_IST_INTERN(REG_ITMP3, REG_SP, 3 * 4);
3636 /* move class/method/field reference onto stack */
3638 disp = dseg_addaddress(cd, pref->ref);
3639 M_ALD(REG_ITMP3, REG_PV, disp);
3640 M_AST_INTERN(REG_ITMP3, REG_SP, 2 * 4);
3642 /* move data segment displacement onto stack */
3644 disp = dseg_addaddress(cd, pref->disp);
3645 M_ILD(REG_ITMP3, REG_PV, disp);
3646 M_IST_INTERN(REG_ITMP3, REG_SP, 1 * 4);
3648 /* move patcher function pointer onto stack */
3650 disp = dseg_addaddress(cd, pref->patcher);
3651 M_ALD(REG_ITMP3, REG_PV, disp);
3652 M_AST_INTERN(REG_ITMP3, REG_SP, 0 * 4);
3654 disp = dseg_addaddress(cd, asm_wrapper_patcher);
3655 M_ALD(REG_ITMP3, REG_PV, disp);
3663 codegen_finish(m, cd, (ptrint) ((u1 *) mcodeptr - cd->mcodebase));
3665 asm_cacheflush((void *) (ptrint) m->entrypoint, ((u1 *) mcodeptr - cd->mcodebase));
3667 /* everything's ok */
3673 /* createcompilerstub **********************************************************
3675 Creates a stub routine which calls the compiler.
3677 *******************************************************************************/
3679 #define COMPSTUBSIZE 6
3681 functionptr createcompilerstub(methodinfo *m)
3683 s4 *s = CNEW(s4, COMPSTUBSIZE); /* memory to hold the stub */
3684 s4 *mcodeptr = s; /* code generation pointer */
3686 M_LDA(REG_ITMP1, REG_PV, 4 * 4);
3687 M_ALD_INTERN(REG_PV, REG_PV, 5 * 4);
3691 s[4] = (s4) m; /* literals to be adressed */
3692 s[5] = (s4) asm_call_jit_compiler; /* jump directly via PV from above */
3694 asm_cacheflush((void *) s, (u1 *) mcodeptr - (u1 *) s);
3696 #if defined(STATISTICS)
3698 count_cstub_len += COMPSTUBSIZE * 4;
3701 return (functionptr) (ptrint) s;
3705 /* createnativestub ************************************************************
3707 Creates a stub routine which calls a native method.
3709 *******************************************************************************/
3711 functionptr createnativestub(functionptr f, methodinfo *m, codegendata *cd,
3712 registerdata *rd, methoddesc *nmd)
3714 s4 *mcodeptr; /* code generation pointer */
3715 s4 stackframesize; /* size of stackframe if needed */
3718 s4 i, j; /* count variables */
3723 /* set some variables */
3726 nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
3728 /* calculate stackframe size */
3731 sizeof(stackframeinfo) / SIZEOF_VOID_P +
3732 sizeof(localref_table) / SIZEOF_VOID_P +
3733 4 + /* 4 stackframeinfo arguments (darwin)*/
3734 nmd->paramcount * 2 + /* assume all arguments are doubles */
3737 stackframesize = (stackframesize + 3) & ~3; /* keep stack 16-byte aligned */
3740 /* create method header */
3742 (void) dseg_addaddress(cd, m); /* MethodPointer */
3743 (void) dseg_adds4(cd, stackframesize * 4); /* FrameSize */
3744 (void) dseg_adds4(cd, 0); /* IsSync */
3745 (void) dseg_adds4(cd, 0); /* IsLeaf */
3746 (void) dseg_adds4(cd, 0); /* IntSave */
3747 (void) dseg_adds4(cd, 0); /* FltSave */
3748 (void) dseg_addlinenumbertablesize(cd);
3749 (void) dseg_adds4(cd, 0); /* ExTableSize */
3752 /* initialize mcode variables */
3754 mcodeptr = (s4 *) cd->mcodebase;
3755 cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize);
3761 M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
3762 M_STWU(REG_SP, REG_SP, -(stackframesize * 4));
3766 /* parent_argbase == stackframesize * 4 */
3767 mcodeptr = codegen_trace_args(m, cd, rd, mcodeptr, stackframesize * 4 ,
3772 /* get function address (this must happen before the stackframeinfo) */
3774 funcdisp = dseg_addaddress(cd, f);
3776 #if !defined(ENABLE_STATICVM)
3778 codegen_addpatchref(cd, mcodeptr, PATCHER_resolve_native, m, funcdisp);
3780 if (opt_showdisassemble)
3785 /* save integer and float argument registers */
3787 for (i = 0, j = 0; i < md->paramcount && j < INT_ARG_CNT; i++) {
3788 t = md->paramtypes[i].type;
3790 if (IS_INT_LNG_TYPE(t)) {
3791 s1 = md->params[i].regoff;
3792 if (IS_2_WORD_TYPE(t)) {
3793 M_IST(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3795 M_IST(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3798 M_IST(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3804 for (i = 0; i < md->paramcount && j < FLT_ARG_CNT; i++) {
3805 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3806 s1 = md->params[i].regoff;
3807 M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
3812 /* create native stack info */
3814 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
3815 M_MOV(REG_PV, rd->argintregs[1]);
3816 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[2]);
3817 M_ALD(rd->argintregs[3], REG_SP, stackframesize * 4 + LA_LR_OFFSET);
3818 disp = dseg_addaddress(cd, codegen_start_native_call);
3819 M_ALD(REG_ITMP1, REG_PV, disp);
3823 /* restore integer and float argument registers */
3825 for (i = 0, j = 0; i < md->paramcount && j < INT_ARG_CNT; i++) {
3826 t = md->paramtypes[i].type;
3828 if (IS_INT_LNG_TYPE(t)) {
3829 s1 = md->params[i].regoff;
3831 if (IS_2_WORD_TYPE(t)) {
3832 M_ILD(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3834 M_ILD(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3837 M_ILD(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
3843 for (i = 0; i < md->paramcount && j < FLT_ARG_CNT; i++) {
3844 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
3845 s1 = md->params[i].regoff;
3846 M_DLD(rd->argfltregs[i], REG_SP, LA_SIZE + 4 * 4 + j * 8);
3851 /* copy or spill arguments to new locations */
3853 for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3854 t = md->paramtypes[i].type;
3856 if (IS_INT_LNG_TYPE(t)) {
3857 if (!md->params[i].inmemory) {
3858 if (IS_2_WORD_TYPE(t))
3860 rd->argintregs[GET_LOW_REG(md->params[i].regoff)],
3861 rd->argintregs[GET_HIGH_REG(md->params[i].regoff)]);
3863 s1 = rd->argintregs[md->params[i].regoff];
3865 if (!nmd->params[j].inmemory) {
3866 if (IS_2_WORD_TYPE(t))
3868 rd->argintregs[GET_LOW_REG(nmd->params[j].regoff)],
3869 rd->argintregs[GET_HIGH_REG(nmd->params[j].regoff)]);
3871 s2 = rd->argintregs[nmd->params[j].regoff];
3872 M_TINTMOVE(t, s1, s2);
3875 s2 = nmd->params[j].regoff;
3876 if (IS_2_WORD_TYPE(t)) {
3877 M_IST(GET_HIGH_REG(s1), REG_SP, s2 * 4);
3878 M_IST(GET_LOW_REG(s1), REG_SP, s2 * 4 + 4);
3880 M_IST(s1, REG_SP, s2 * 4);
3885 s1 = md->params[i].regoff + stackframesize;
3886 s2 = nmd->params[j].regoff;
3888 M_ILD(REG_ITMP1, REG_SP, s1 * 4);
3889 if (IS_2_WORD_TYPE(t)) {
3890 M_ILD(REG_ITMP2, REG_SP, s1 * 4 + 4);
3892 M_IST(REG_ITMP1, REG_SP, s2 * 4);
3893 if (IS_2_WORD_TYPE(t)) {
3894 M_IST(REG_ITMP2, REG_SP, s2 * 4 + 4);
3899 /* We only copy spilled float arguments, as the float argument */
3900 /* registers keep unchanged. */
3902 if (md->params[i].inmemory) {
3903 s1 = md->params[i].regoff + stackframesize;
3904 s2 = nmd->params[j].regoff;
3906 if (IS_2_WORD_TYPE(t)) {
3907 M_DLD(REG_FTMP1, REG_SP, s1 * 4);
3908 M_DST(REG_FTMP1, REG_SP, s2 * 4);
3911 M_FLD(REG_FTMP1, REG_SP, s1 * 4);
3912 M_FST(REG_FTMP1, REG_SP, s2 * 4);
3918 /* put class into second argument register */
3920 if (m->flags & ACC_STATIC) {
3921 disp = dseg_addaddress(cd, m->class);
3922 M_ALD(rd->argintregs[1], REG_PV, disp);
3925 /* put env into first argument register */
3927 disp = dseg_addaddress(cd, &env);
3928 M_ALD(rd->argintregs[0], REG_PV, disp);
3930 /* generate the actual native call */
3932 M_ALD(REG_ITMP3, REG_PV, funcdisp);
3936 /* save return value */
3938 if (md->returntype.type != TYPE_VOID) {
3939 if (IS_INT_LNG_TYPE(md->returntype.type)) {
3940 if (IS_2_WORD_TYPE(md->returntype.type))
3941 M_IST(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);
3942 M_IST(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
3944 if (IS_2_WORD_TYPE(md->returntype.type))
3945 M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3947 M_FST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3951 /* remove native stackframe info */
3953 M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
3954 disp = dseg_addaddress(cd, codegen_finish_native_call);
3955 M_ALD(REG_ITMP1, REG_PV, disp);
3959 /* print call trace */
3962 /* just restore the value we need, don't care about the other */
3964 if (md->returntype.type != TYPE_VOID) {
3965 if (IS_INT_LNG_TYPE(md->returntype.type)) {
3966 if (IS_2_WORD_TYPE(md->returntype.type))
3967 M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);
3968 M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
3970 if (IS_2_WORD_TYPE(md->returntype.type))
3971 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3973 M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
3977 M_LDA(REG_SP, REG_SP, -(LA_SIZE + (1 + 2 + 2 + 1) * 4));
3979 /* keep this order */
3980 switch (md->returntype.type) {
3983 #if defined(__DARWIN__)
3984 M_MOV(REG_RESULT, rd->argintregs[2]);
3985 M_CLR(rd->argintregs[1]);
3987 M_MOV(REG_RESULT, rd->argintregs[3]);
3988 M_CLR(rd->argintregs[2]);
3993 #if defined(__DARWIN__)
3994 M_MOV(REG_RESULT2, rd->argintregs[2]);
3995 M_MOV(REG_RESULT, rd->argintregs[1]);
3997 M_MOV(REG_RESULT2, rd->argintregs[3]);
3998 M_MOV(REG_RESULT, rd->argintregs[2]);
4003 M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
4004 M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
4005 disp = dseg_addaddress(cd, m);
4006 M_ALD(rd->argintregs[0], REG_PV, disp);
4008 disp = dseg_addaddress(cd, builtin_displaymethodstop);
4009 M_ALD(REG_ITMP2, REG_PV, disp);
4013 M_LDA(REG_SP, REG_SP, LA_SIZE + (1 + 2 + 2 + 1) * 4);
4016 /* check for exception */
4018 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
4019 disp = dseg_addaddress(cd, builtin_get_exceptionptrptr);
4020 M_ALD(REG_ITMP1, REG_PV, disp);
4023 M_MOV(REG_RESULT, REG_ITMP2);
4025 disp = dseg_addaddress(cd, &_no_threads_exceptionptr);
4026 M_ALD(REG_ITMP2, REG_PV, disp);
4028 M_ALD(REG_ITMP1_XPTR, REG_ITMP2, 0);/* load exception into reg. itmp1 */
4030 /* restore return value */
4032 if (md->returntype.type != TYPE_VOID) {
4033 if (IS_INT_LNG_TYPE(md->returntype.type)) {
4034 if (IS_2_WORD_TYPE(md->returntype.type))
4035 M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);
4036 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_TST(REG_ITMP1_XPTR);
4046 M_BNE(4); /* if no exception then return */
4048 M_ALD(REG_ZERO, REG_SP, stackframesize * 4 + LA_LR_OFFSET); /* load ra */
4050 M_LDA(REG_SP, REG_SP, stackframesize * 4); /* remove stackframe */
4053 /* handle exception */
4056 M_AST(REG_ITMP3, REG_ITMP2, 0); /* store NULL into exceptionptr */
4058 M_ALD(REG_ITMP2, REG_SP, stackframesize * 4 + LA_LR_OFFSET); /* load ra */
4061 M_LDA(REG_SP, REG_SP, stackframesize * 4); /* remove stackframe */
4063 M_IADD_IMM(REG_ITMP2, -4, REG_ITMP2_XPC); /* fault address */
4065 disp = dseg_addaddress(cd, asm_handle_nat_exception);
4066 M_ALD(REG_ITMP3, REG_PV, disp);
4070 /* generate patcher stub call code */
4078 for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
4079 /* Get machine code which is patched back in later. The call is */
4080 /* 1 instruction word long. */
4082 xcodeptr = (s4 *) (cd->mcodebase + pref->branchpos);
4083 mcode = (u4) *xcodeptr;
4085 /* patch in the call to call the following code (done at compile */
4088 tmpmcodeptr = mcodeptr; /* save current mcodeptr */
4089 mcodeptr = xcodeptr; /* set mcodeptr to patch position */
4091 M_BL(tmpmcodeptr - (xcodeptr + 1));
4093 mcodeptr = tmpmcodeptr; /* restore the current mcodeptr */
4095 /* create stack frame - keep stack 16-byte aligned */
4097 M_AADD_IMM(REG_SP, -8 * 4, REG_SP);
4099 /* move return address onto stack */
4102 M_AST(REG_ZERO, REG_SP, 5 * 4);
4104 /* move pointer to java_objectheader onto stack */
4106 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
4107 /* order reversed because of data segment layout */
4109 (void) dseg_addaddress(cd, get_dummyLR()); /* monitorPtr */
4110 disp = dseg_addaddress(cd, NULL); /* vftbl */
4112 M_LDA(REG_ITMP3, REG_PV, disp);
4113 M_AST(REG_ITMP3, REG_SP, 4 * 4);
4118 /* move machine code onto stack */
4120 disp = dseg_adds4(cd, mcode);
4121 M_ILD(REG_ITMP3, REG_PV, disp);
4122 M_IST(REG_ITMP3, REG_SP, 3 * 4);
4124 /* move class/method/field reference onto stack */
4126 disp = dseg_addaddress(cd, pref->ref);
4127 M_ALD(REG_ITMP3, REG_PV, disp);
4128 M_AST(REG_ITMP3, REG_SP, 2 * 4);
4130 /* move data segment displacement onto stack */
4132 disp = dseg_addaddress(cd, pref->disp);
4133 M_ILD(REG_ITMP3, REG_PV, disp);
4134 M_IST(REG_ITMP3, REG_SP, 1 * 4);
4136 /* move patcher function pointer onto stack */
4138 disp = dseg_addaddress(cd, pref->patcher);
4139 M_ALD(REG_ITMP3, REG_PV, disp);
4140 M_AST(REG_ITMP3, REG_SP, 0 * 4);
4142 disp = dseg_addaddress(cd, asm_wrapper_patcher);
4143 M_ALD(REG_ITMP3, REG_PV, disp);
4149 codegen_finish(m, cd, (s4) ((u1 *) mcodeptr - cd->mcodebase));
4151 asm_cacheflush((void *) (ptrint) m->entrypoint, ((u1 *) mcodeptr - cd->mcodebase));
4153 return m->entrypoint;
4157 s4 *codegen_trace_args(methodinfo *m, codegendata *cd, registerdata *rd,
4158 s4 *mcodeptr, s4 parentargs_base, bool nativestub)
4169 /* Build up Stackframe for builtin_trace_args call (a multiple of 16) */
4171 /* LA + TRACE_ARGS_NUM u8 args + methodinfo + LR */
4172 /* LA_SIZE(=6*4) + 8*8 + 4 + 4 + 0(Padding) */
4173 /* 6 * 4 + 8 * 8 + 2 * 4 = 12 * 8 = 6 * 16 */
4175 /* LA + (TRACE_ARGS_NUM - INT_ARG_CNT/2) u8 args + methodinfo */
4176 /* + INT_ARG_CNT * 4 ( save integer registers) + LR + 8 + 8 (Padding) */
4177 /* LA_SIZE(=2*4) + 4 * 8 + 4 + 8 * 4 + 4 + 8 */
4178 /* 2 * 4 + 4 * 8 + 10 * 4 + 1 * 8 + 8= 12 * 8 = 6 * 16 */
4180 /* in nativestubs no Place to save the LR (Link Register) would be needed */
4181 /* but since the stack frame has to be aligned the 4 Bytes would have to */
4182 /* be padded again */
4184 #if defined(__DARWIN__)
4185 stack_size = LA_SIZE + (TRACE_ARGS_NUM + 1) * 8;
4187 stack_size = 6 * 16;
4189 M_LDA(REG_SP, REG_SP, -stack_size);
4193 M_IST(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
4195 M_CLR(REG_ITMP1); /* clear help register */
4197 /* save up to TRACE_ARGS_NUM arguments into the reserved stack space */
4198 #if defined(__DARWIN__)
4199 /* Copy Params starting from first to Stack */
4200 /* since TRACE_ARGS == INT_ARG_CNT all used integer argument regs */
4204 /* Copy Params starting from fifth to Stack (INT_ARG_CNT/2) are in */
4205 /* integer argument regs */
4206 /* all integer argument registers have to be saved */
4207 for (p = 0; p < 8; p++) {
4208 d = rd->argintregs[p];
4209 /* save integer argument registers */
4210 M_IST(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
4214 stack_off = LA_SIZE;
4215 for (; p < md->paramcount && p < TRACE_ARGS_NUM; p++, stack_off += 8) {
4216 t = md->paramtypes[p].type;
4217 if (IS_INT_LNG_TYPE(t)) {
4218 if (!md->params[p].inmemory) { /* Param in Arg Reg */
4219 if (IS_2_WORD_TYPE(t)) {
4220 M_IST(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
4221 , REG_SP, stack_off);
4222 M_IST(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
4223 , REG_SP, stack_off + 4);
4225 M_IST(REG_ITMP1, REG_SP, stack_off);
4226 M_IST(rd->argintregs[md->params[p].regoff]
4227 , REG_SP, stack_off + 4);
4229 } else { /* Param on Stack */
4230 s1 = (md->params[p].regoff + parentargs_base) * 4
4232 if (IS_2_WORD_TYPE(t)) {
4233 M_ILD(REG_ITMP2, REG_SP, s1);
4234 M_IST(REG_ITMP2, REG_SP, stack_off);
4235 M_ILD(REG_ITMP2, REG_SP, s1 + 4);
4236 M_IST(REG_ITMP2, REG_SP, stack_off + 4);
4238 M_IST(REG_ITMP1, REG_SP, stack_off);
4239 M_ILD(REG_ITMP2, REG_SP, s1);
4240 M_IST(REG_ITMP2, REG_SP, stack_off + 4);
4243 } else { /* IS_FLT_DBL_TYPE(t) */
4244 if (!md->params[p].inmemory) { /* in Arg Reg */
4245 s1 = rd->argfltregs[md->params[p].regoff];
4246 if (!IS_2_WORD_TYPE(t)) {
4247 M_IST(REG_ITMP1, REG_SP, stack_off);
4248 M_FST(s1, REG_SP, stack_off + 4);
4250 M_DST(s1, REG_SP, stack_off);
4252 } else { /* on Stack */
4253 /* this should not happen */
4258 /* load first 4 (==INT_ARG_CNT/2) arguments into integer registers */
4259 #if defined(__DARWIN__)
4260 for (p = 0; p < 8; p++) {
4261 d = rd->argintregs[p];
4262 M_ILD(d, REG_SP, LA_SIZE + p * 4);
4266 /* Set integer and float argument registers vor trace_args call */
4267 /* offset to saved integer argument registers */
4268 stack_off = LA_SIZE + 4 * 8 + 4;
4269 for (p = 0; (p < 4) && (p < md->paramcount); p++) {
4270 t = md->paramtypes[p].type;
4271 if (IS_INT_LNG_TYPE(t)) {
4272 /* "stretch" int types */
4273 if (!IS_2_WORD_TYPE(t)) {
4274 M_CLR(rd->argintregs[2 * p]);
4275 M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off);
4278 M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off + 4);
4279 M_ILD(rd->argintregs[2 * p], REG_SP,stack_off);
4282 } else { /* Float/Dbl */
4283 if (!md->params[p].inmemory) { /* Param in Arg Reg */
4284 /* use reserved Place on Stack (sp + 5 * 16) to copy */
4285 /* float/double arg reg to int reg */
4286 s1 = rd->argfltregs[md->params[p].regoff];
4287 if (!IS_2_WORD_TYPE(t)) {
4288 M_FST(s1, REG_SP, 5 * 16);
4289 M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16);
4290 M_CLR(rd->argintregs[2 * p]);
4292 M_DST(s1, REG_SP, 5 * 16);
4293 M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16 + 4);
4294 M_ILD(rd->argintregs[2 * p], REG_SP, 5 * 16);
4301 /* put methodinfo pointer on Stackframe */
4302 p = dseg_addaddress(cd, m);
4303 M_ALD(REG_ITMP1, REG_PV, p);
4304 #if defined(__DARWIN__)
4305 M_AST(REG_ITMP1, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8);
4307 M_AST(REG_ITMP1, REG_SP, LA_SIZE + 4 * 8);
4309 p = dseg_addaddress(cd, builtin_trace_args);
4310 M_ALD(REG_ITMP2, REG_PV, p);
4314 #if defined(__DARWIN__)
4315 /* restore integer argument registers from the reserved stack space */
4317 stack_off = LA_SIZE;
4318 for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM;
4319 p++, stack_off += 8) {
4320 t = md->paramtypes[p].type;
4322 if (IS_INT_LNG_TYPE(t)) {
4323 if (!md->params[p].inmemory) {
4324 if (IS_2_WORD_TYPE(t)) {
4325 M_ILD(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
4326 , REG_SP, stack_off);
4327 M_ILD(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
4328 , REG_SP, stack_off + 4);
4330 M_ILD(rd->argintregs[md->params[p].regoff]
4331 , REG_SP, stack_off + 4);
4338 for (p = 0; p < 8; p++) {
4339 d = rd->argintregs[p];
4340 /* save integer argument registers */
4341 M_ILD(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
4346 M_ILD(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
4348 M_LDA(REG_SP, REG_SP, stack_size);
4355 * These are local overrides for various environment variables in Emacs.
4356 * Please do not remove this and leave it at the end of the file, where
4357 * Emacs will automagically detect them.
4358 * ---------------------------------------------------------------------
4361 * indent-tabs-mode: t