1 /* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
36 #include "vm/jit/powerpc/arch.h"
37 #include "vm/jit/powerpc/codegen.h"
39 #include "mm/memory.hpp"
41 #include "native/localref.hpp"
42 #include "native/native.hpp"
44 #include "threads/lock.hpp"
46 #include "vm/jit/builtin.hpp"
47 #include "vm/exceptions.hpp"
48 #include "vm/global.h"
49 #include "vm/loader.hpp"
50 #include "vm/options.h"
53 #include "vm/jit/abi.h"
54 #include "vm/jit/abi-asm.h"
55 #include "vm/jit/asmpart.h"
56 #include "vm/jit/codegen-common.hpp"
57 #include "vm/jit/dseg.h"
58 #include "vm/jit/emit-common.hpp"
59 #include "vm/jit/jit.hpp"
60 #include "vm/jit/linenumbertable.hpp"
61 #include "vm/jit/methodheader.h"
62 #include "vm/jit/parse.hpp"
63 #include "vm/jit/patcher-common.hpp"
64 #include "vm/jit/reg.h"
65 #include "vm/jit/replace.hpp"
66 #include "vm/jit/stacktrace.hpp"
67 #include "vm/jit/trap.h"
69 #if defined(ENABLE_LSRA)
70 # include "vm/jit/allocator/lsra.h"
74 /* codegen *********************************************************************
76 Generates machine code.
78 *******************************************************************************/
80 bool codegen_emit(jitdata *jd)
86 s4 len, s1, s2, s3, d, disp;
91 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
92 unresolved_method *um;
93 builtintable_entry *bte;
101 /* get required compiler data */
108 /* prevent compiler warnings */
123 /* space to save used callee saved registers */
125 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
126 savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
128 cd->stackframesize = rd->memuse + savedregs_num;
130 #if defined(ENABLE_THREADS)
131 /* Space to save argument of monitor_enter and Return Values to
132 survive monitor_exit. The stack position for the argument can
133 not be shared with place to save the return register on PPC,
134 since both values reside in R3. */
136 if (checksync && code_is_synchronized(code))
137 cd->stackframesize += 2;
140 /* create method header */
142 /* align stack to 16-bytes */
144 if (!code_is_leafmethod(code) || JITDATA_HAS_FLAG_VERBOSECALL(jd))
145 ALIGN_2(cd->stackframesize);
147 else if (code_is_leafmethod(code) && (cd->stackframesize == LA_SIZE_IN_POINTERS))
148 cd->stackframesize = 0;
150 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
151 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
153 code->synchronizedoffset = rd->memuse * 8;
155 /* REMOVEME: We still need it for exception handling in assembler. */
157 if (code_is_leafmethod(code))
158 (void) dseg_add_unique_s4(cd, 1);
160 (void) dseg_add_unique_s4(cd, 0);
162 (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
163 (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
165 #if defined(ENABLE_PROFILING)
166 /* generate method profiling code */
168 if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
169 /* count frequency */
171 M_ALD(REG_ITMP1, REG_PV, CodeinfoPointer);
172 M_ALD(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
173 M_IADD_IMM(REG_ITMP2, 1, REG_ITMP2);
174 M_AST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
176 /* PROFILE_CYCLE_START; */
180 /* create stack frame (if necessary) */
182 if (!code_is_leafmethod(code)) {
184 M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
187 if (cd->stackframesize)
188 M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
190 /* save return address and used callee saved registers */
192 p = cd->stackframesize;
193 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
194 p--; M_IST(rd->savintregs[i], REG_SP, p * 8);
196 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
197 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
200 /* take arguments out of register or stack frame */
204 for (p = 0, l = 0; p < md->paramcount; p++) {
205 t = md->paramtypes[p].type;
206 varindex = jd->local_map[l * 5 + t];
209 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
212 if (varindex == UNUSED)
216 s1 = md->params[p].regoff;
218 if (IS_INT_LNG_TYPE(t)) {
219 if (!md->params[p].inmemory) {
220 if (!IS_INMEMORY(var->flags)) {
221 if (IS_2_WORD_TYPE(t))
222 M_LNGMOVE(s1, var->vv.regoff);
224 M_INTMOVE(s1, var->vv.regoff);
227 if (IS_2_WORD_TYPE(t))
228 M_LST(s1, REG_SP, var->vv.regoff);
230 M_IST(s1, REG_SP, var->vv.regoff);
234 if (!IS_INMEMORY(var->flags)) {
235 if (IS_2_WORD_TYPE(t))
236 M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
238 M_ILD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
242 M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1);
243 M_IST(REG_ITMP1, REG_SP, var->vv.regoff);
244 if (IS_2_WORD_TYPE(t)) {
245 M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1 + 4);
246 M_IST(REG_ITMP1, REG_SP, var->vv.regoff + 4);
249 /* Reuse Memory Position on Caller Stack */
250 var->vv.regoff = cd->stackframesize * 8 + s1;
256 if (!md->params[p].inmemory) {
257 if (!IS_INMEMORY(var->flags))
258 M_FLTMOVE(s1, var->vv.regoff);
260 M_DST(s1, REG_SP, var->vv.regoff);
263 if (!IS_INMEMORY(var->flags))
264 M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
267 M_DLD(REG_FTMP1, REG_SP, cd->stackframesize * 8 + s1);
268 M_DST(REG_FTMP1, REG_SP, var->vv.regoff);
270 /* Reuse Memory Position on Caller Stack */
271 var->vv.regoff = cd->stackframesize * 8 + s1;
278 #if defined(ENABLE_THREADS)
279 /* call monitorenter function */
281 if (checksync && code_is_synchronized(code)) {
282 /* stack offset for monitor argument */
286 # if !defined(NDEBUG)
287 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
288 M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
290 for (p = 0; p < INT_ARG_CNT; p++)
291 M_IST(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
293 for (p = 0; p < FLT_ARG_CNT; p++)
294 M_DST(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
296 s1 += LA_SIZE_IN_POINTERS + ARG_CNT;
300 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
301 M_ALD(REG_ITMP3, REG_PV, disp);
304 /* get or test the lock object */
306 if (m->flags & ACC_STATIC) {
307 disp = dseg_add_address(cd, &m->clazz->object.header);
308 M_ALD(REG_A0, REG_PV, disp);
313 M_ALD_INTERN(REG_ZERO, REG_ZERO, TRAP_NullPointerException);
316 M_AST(REG_A0, REG_SP, s1 * 8);
319 # if !defined(NDEBUG)
320 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
321 for (p = 0; p < INT_ARG_CNT; p++)
322 M_ILD(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
324 for (p = 0; p < FLT_ARG_CNT; p++)
325 M_DLD(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
327 M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
331 #endif /* defined(ENABLE_THREADS) */
333 /* call trace function */
335 emit_verbosecall_enter(jd);
338 /* end of header generation */
340 /* create replacement points */
342 REPLACEMENT_POINTS_INIT(cd, jd);
344 /* walk through all basic blocks */
346 for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
348 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
350 if (bptr->flags >= BBREACHED) {
351 /* branch resolving */
353 codegen_resolve_branchrefs(cd, bptr);
355 /* handle replacement points */
357 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
359 #if defined(ENABLE_PROFILING)
360 /* generate basicblock profiling code */
362 if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
363 /* count frequency */
365 disp = dseg_add_address(cd, code->bbfrequency);
366 M_ALD(REG_ITMP2, REG_PV, disp);
367 M_ALD(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
368 M_IADD_IMM(REG_ITMP3, 1, REG_ITMP3);
369 M_AST(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
371 /* if this is an exception handler, start profiling again */
373 /* if (bptr->type == BBTYPE_EXH) */
374 /* PROFILE_CYCLE_START; */
378 /* copy interface registers to their destination */
383 #if defined(ENABLE_LSRA)
385 while (src != NULL) {
387 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
388 /* d = reg_of_var(m, src, REG_ITMP1); */
389 if (!IS_INMEMORY(src->flags))
393 M_INTMOVE(REG_ITMP1, d);
394 emit_store(jd, NULL, src, d);
402 var = VAR(bptr->invars[len]);
403 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
404 d = codegen_reg_of_var(0, var, REG_ITMP1);
405 M_INTMOVE(REG_ITMP1, d);
406 emit_store(jd, NULL, var, d);
409 assert((var->flags & INOUT));
413 #if defined(ENABLE_LSRA)
416 /* walk through all instructions */
421 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
422 if (iptr->line != currentline) {
423 linenumbertable_list_entry_add(cd, iptr->line);
424 currentline = iptr->line;
427 MCODECHECK(64); /* an instruction usually needs < 64 words */
430 case ICMD_NOP: /* ... ==> ... */
431 case ICMD_POP: /* ..., value ==> ... */
432 case ICMD_POP2: /* ..., value, value ==> ... */
435 case ICMD_INLINE_START:
437 REPLACEMENT_POINT_INLINE_START(cd, iptr);
440 case ICMD_INLINE_BODY:
442 REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
443 linenumbertable_list_entry_add_inline_start(cd, iptr);
444 linenumbertable_list_entry_add(cd, iptr->line);
447 case ICMD_INLINE_END:
449 linenumbertable_list_entry_add_inline_end(cd, iptr);
450 linenumbertable_list_entry_add(cd, iptr->line);
453 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
455 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
456 emit_nullpointer_check(cd, iptr, s1);
459 /* constant operations ************************************************/
461 case ICMD_ICONST: /* ... ==> ..., constant */
463 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
464 ICONST(d, iptr->sx.val.i);
465 emit_store_dst(jd, iptr, d);
468 case ICMD_LCONST: /* ... ==> ..., constant */
470 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
471 LCONST(d, iptr->sx.val.l);
472 emit_store_dst(jd, iptr, d);
475 case ICMD_FCONST: /* ... ==> ..., constant */
477 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
478 disp = dseg_add_float(cd, iptr->sx.val.f);
479 M_FLD(d, REG_PV, disp);
480 emit_store_dst(jd, iptr, d);
483 case ICMD_DCONST: /* ... ==> ..., constant */
485 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
486 disp = dseg_add_double(cd, iptr->sx.val.d);
487 M_DLD(d, REG_PV, disp);
488 emit_store_dst(jd, iptr, d);
491 case ICMD_ACONST: /* ... ==> ..., constant */
493 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
495 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
496 constant_classref *cr = iptr->sx.val.c.ref;;
498 disp = dseg_add_unique_address(cd, cr);
500 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
504 disp = dseg_add_address(cd, iptr->sx.val.anyptr);
506 M_ALD(d, REG_PV, disp);
507 emit_store_dst(jd, iptr, d);
511 /* load/store/copy/move operations ************************************/
513 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
514 case ICMD_ALOAD: /* s1 = local variable */
518 case ICMD_ISTORE: /* ..., value ==> ... */
530 if (!(iptr->flags.bits & INS_FLAG_RETADDR))
535 /* integer operations *************************************************/
537 case ICMD_INEG: /* ..., value ==> ..., - value */
539 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
540 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
542 emit_store_dst(jd, iptr, d);
545 case ICMD_LNEG: /* ..., value ==> ..., - value */
547 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
548 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
549 M_SUBFIC(GET_LOW_REG(s1), 0, GET_LOW_REG(d));
550 M_SUBFZE(GET_HIGH_REG(s1), GET_HIGH_REG(d));
551 emit_store_dst(jd, iptr, d);
554 case ICMD_I2L: /* ..., value ==> ..., value */
556 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
557 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
558 M_INTMOVE(s1, GET_LOW_REG(d));
559 M_SRA_IMM(GET_LOW_REG(d), 31, GET_HIGH_REG(d));
560 emit_store_dst(jd, iptr, d);
563 case ICMD_L2I: /* ..., value ==> ..., value */
565 s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
566 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
568 emit_store_dst(jd, iptr, d);
571 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
573 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
574 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
576 emit_store_dst(jd, iptr, d);
579 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
581 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
582 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
584 emit_store_dst(jd, iptr, d);
587 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
589 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
590 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
592 emit_store_dst(jd, iptr, d);
596 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
598 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
599 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
600 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
602 emit_store_dst(jd, iptr, d);
605 /* s1.localindex = variable, sx.val.i = constant*/
610 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
611 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
612 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767)) {
613 M_IADD_IMM(s1, iptr->sx.val.i, d);
615 ICONST(REG_ITMP2, iptr->sx.val.i);
616 M_IADD(s1, REG_ITMP2, d);
618 /* XXX the old code for ICMD_IINC was as follows:
620 u4 m = iptr->sx.val.i;
624 M_ADDIS(s1, m >> 16, d);
626 M_IADD_IMM(s1, m & 0xffff, d);
629 emit_store_dst(jd, iptr, d);
632 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
634 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
635 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
636 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
637 M_ADDC(s1, s2, GET_LOW_REG(d));
638 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
639 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
640 M_ADDE(s1, s2, GET_HIGH_REG(d));
641 emit_store_dst(jd, iptr, d);
644 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
645 /* sx.val.l = constant */
647 s3 = iptr->sx.val.l & 0xffffffff;
648 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
649 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
650 if ((s3 >= -32768) && (s3 <= 32767))
651 M_ADDIC(s1, s3, GET_LOW_REG(d));
653 ICONST(REG_ITMP2, s3);
654 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
656 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
657 s3 = iptr->sx.val.l >> 32;
659 M_ADDME(s1, GET_HIGH_REG(d));
661 M_ADDZE(s1, GET_HIGH_REG(d));
663 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
664 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
666 emit_store_dst(jd, iptr, d);
669 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
671 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
672 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
673 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
675 emit_store_dst(jd, iptr, d);
678 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
679 /* sx.val.i = constant */
681 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
682 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
683 if ((iptr->sx.val.i >= -32767) && (iptr->sx.val.i <= 32768))
684 M_IADD_IMM(s1, -iptr->sx.val.i, d);
686 ICONST(REG_ITMP2, iptr->sx.val.i);
687 M_ISUB(s1, REG_ITMP2, d);
689 emit_store_dst(jd, iptr, d);
692 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
694 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
695 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
696 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
697 M_SUBC(s1, s2, GET_LOW_REG(d));
698 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
699 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
700 M_SUBE(s1, s2, GET_HIGH_REG(d));
701 emit_store_dst(jd, iptr, d);
704 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
705 /* sx.val.l = constant */
707 s3 = (-iptr->sx.val.l) & 0xffffffff;
708 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
709 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
710 if ((s3 >= -32768) && (s3 <= 32767)) {
711 M_ADDIC(s1, s3, GET_LOW_REG(d));
713 ICONST(REG_ITMP2, s3);
714 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
716 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
717 s3 = (-iptr->sx.val.l) >> 32;
719 M_ADDME(s1, GET_HIGH_REG(d));
721 M_ADDZE(s1, GET_HIGH_REG(d));
723 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
724 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
726 emit_store_dst(jd, iptr, d);
729 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
731 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
732 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
733 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
734 emit_arithmetic_check(cd, iptr, s2);
735 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
736 M_CMP(REG_ITMP3, s1);
737 M_BNE(3 + (s1 != d));
739 M_BNE(1 + (s1 != d));
743 emit_store_dst(jd, iptr, d);
746 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
748 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
749 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
750 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
751 emit_arithmetic_check(cd, iptr, s2);
752 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
753 M_CMP(REG_ITMP3, s1);
759 M_IDIV(s1, s2, REG_ITMP3);
760 M_IMUL(REG_ITMP3, s2, REG_ITMP3);
761 M_ISUB(s1, REG_ITMP3, d);
762 emit_store_dst(jd, iptr, d);
765 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
766 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
768 s1 = emit_load_s1(jd, iptr, REG_A0_A1_PACKED);
769 s2 = emit_load_s2(jd, iptr, REG_A2_A3_PACKED);
771 /* XXX TODO: only do this if arithmetic check is really done! */
772 M_IOR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
773 /* XXX could be optimized */
774 emit_arithmetic_check(cd, iptr, REG_ITMP3);
776 bte = iptr->sx.s23.s3.bte;
777 disp = dseg_add_functionptr(cd, bte->fp);
778 M_ALD(REG_ITMP3, REG_PV, disp);
781 M_LNGMOVE(s1, REG_A0_A1_PACKED);
782 M_LNGMOVE(s2, REG_A2_A3_PACKED);
786 d = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
787 M_LNGMOVE(REG_RESULT_PACKED, d);
788 emit_store_dst(jd, iptr, d);
791 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
793 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
794 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
795 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
797 emit_store_dst(jd, iptr, d);
800 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
801 /* sx.val.i = constant */
803 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
804 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
805 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
806 M_IMUL_IMM(s1, iptr->sx.val.i, d);
808 ICONST(REG_ITMP3, iptr->sx.val.i);
809 M_IMUL(s1, REG_ITMP3, d);
811 emit_store_dst(jd, iptr, d);
814 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
816 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
817 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
818 M_SRA_IMM(s1, iptr->sx.val.i, d);
820 emit_store_dst(jd, iptr, d);
823 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
825 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
826 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
827 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
828 M_IAND_IMM(s2, 0x1f, REG_ITMP3);
829 M_SLL(s1, REG_ITMP3, d);
830 emit_store_dst(jd, iptr, d);
833 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
834 /* sx.val.i = constant */
836 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
837 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
838 M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
839 emit_store_dst(jd, iptr, d);
842 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
844 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
845 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
846 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
847 M_IAND_IMM(s2, 0x1f, REG_ITMP3);
848 M_SRA(s1, REG_ITMP3, d);
849 emit_store_dst(jd, iptr, d);
852 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
853 /* sx.val.i = constant */
855 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
856 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
857 M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
858 emit_store_dst(jd, iptr, d);
861 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
863 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
864 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
865 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
866 M_IAND_IMM(s2, 0x1f, REG_ITMP2);
867 M_SRL(s1, REG_ITMP2, d);
868 emit_store_dst(jd, iptr, d);
871 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
872 /* sx.val.i = constant */
874 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
875 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
876 if (iptr->sx.val.i & 0x1f)
877 M_SRL_IMM(s1, iptr->sx.val.i & 0x1f, d);
881 emit_store_dst(jd, iptr, d);
884 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
886 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
887 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
888 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
890 emit_store_dst(jd, iptr, d);
893 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
894 /* sx.val.i = constant */
896 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
897 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
898 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
899 M_IAND_IMM(s1, iptr->sx.val.i, d);
901 else if (iptr->sx.val.i == 0xffffff) {
902 M_RLWINM(s1, 0, 8, 31, d);
906 ICONST(REG_ITMP3, iptr->sx.val.i);
907 M_IAND(s1, REG_ITMP3, d);
909 emit_store_dst(jd, iptr, d);
912 case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
914 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
915 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
916 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
917 M_IAND(s1, s2, GET_LOW_REG(d));
918 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
919 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
920 M_IAND(s1, s2, GET_HIGH_REG(d));
921 emit_store_dst(jd, iptr, d);
924 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
925 /* sx.val.l = constant */
927 s3 = iptr->sx.val.l & 0xffffffff;
928 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
929 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
930 if ((s3 >= 0) && (s3 <= 65535))
931 M_IAND_IMM(s1, s3, GET_LOW_REG(d));
933 ICONST(REG_ITMP3, s3);
934 M_IAND(s1, REG_ITMP3, GET_LOW_REG(d));
936 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
937 s3 = iptr->sx.val.l >> 32;
938 if ((s3 >= 0) && (s3 <= 65535))
939 M_IAND_IMM(s1, s3, GET_HIGH_REG(d));
941 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
942 M_IAND(s1, REG_ITMP3, GET_HIGH_REG(d));
944 emit_store_dst(jd, iptr, d);
947 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
948 /* sx.val.i = constant */
950 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
951 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
952 M_MOV(s1, REG_ITMP2);
954 M_BGE(1 + 2*(iptr->sx.val.i >= 32768));
955 if (iptr->sx.val.i >= 32768) {
956 M_ADDIS(REG_ZERO, iptr->sx.val.i >> 16, REG_ITMP2);
957 M_IOR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
958 M_IADD(s1, REG_ITMP2, REG_ITMP2);
961 M_IADD_IMM(s1, iptr->sx.val.i, REG_ITMP2);
964 int b=0, m = iptr->sx.val.i;
967 M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
969 M_ISUB(s1, REG_ITMP2, d);
970 emit_store_dst(jd, iptr, d);
973 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
975 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
976 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
977 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
979 emit_store_dst(jd, iptr, d);
982 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
983 /* sx.val.i = constant */
985 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
986 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
987 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
988 M_IOR_IMM(s1, iptr->sx.val.i, d);
990 ICONST(REG_ITMP3, iptr->sx.val.i);
991 M_IOR(s1, REG_ITMP3, d);
993 emit_store_dst(jd, iptr, d);
996 case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
998 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
999 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1000 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1001 M_IOR(s1, s2, GET_LOW_REG(d));
1002 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1003 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
1004 M_IOR(s1, s2, GET_HIGH_REG(d));
1005 emit_store_dst(jd, iptr, d);
1008 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
1009 /* sx.val.l = constant */
1011 s3 = iptr->sx.val.l & 0xffffffff;
1012 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1013 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1014 if ((s3 >= 0) && (s3 <= 65535))
1015 M_IOR_IMM(s1, s3, GET_LOW_REG(d));
1017 ICONST(REG_ITMP3, s3);
1018 M_IOR(s1, REG_ITMP3, GET_LOW_REG(d));
1020 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1021 s3 = iptr->sx.val.l >> 32;
1022 if ((s3 >= 0) && (s3 <= 65535))
1023 M_IOR_IMM(s1, s3, GET_HIGH_REG(d));
1025 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1026 M_IOR(s1, REG_ITMP3, GET_HIGH_REG(d));
1028 emit_store_dst(jd, iptr, d);
1031 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1033 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1034 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1035 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1037 emit_store_dst(jd, iptr, d);
1040 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
1041 /* sx.val.i = constant */
1043 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1044 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1045 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
1046 M_XOR_IMM(s1, iptr->sx.val.i, d);
1048 ICONST(REG_ITMP3, iptr->sx.val.i);
1049 M_XOR(s1, REG_ITMP3, d);
1051 emit_store_dst(jd, iptr, d);
1054 case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1056 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1057 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1058 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1059 M_XOR(s1, s2, GET_LOW_REG(d));
1060 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1061 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
1062 M_XOR(s1, s2, GET_HIGH_REG(d));
1063 emit_store_dst(jd, iptr, d);
1066 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
1067 /* sx.val.l = constant */
1069 s3 = iptr->sx.val.l & 0xffffffff;
1070 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1071 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1072 if ((s3 >= 0) && (s3 <= 65535))
1073 M_XOR_IMM(s1, s3, GET_LOW_REG(d));
1075 ICONST(REG_ITMP3, s3);
1076 M_XOR(s1, REG_ITMP3, GET_LOW_REG(d));
1078 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1079 s3 = iptr->sx.val.l >> 32;
1080 if ((s3 >= 0) && (s3 <= 65535))
1081 M_XOR_IMM(s1, s3, GET_HIGH_REG(d));
1083 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1084 M_XOR(s1, REG_ITMP3, GET_HIGH_REG(d));
1086 emit_store_dst(jd, iptr, d);
1089 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
1091 s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
1092 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1093 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1094 vm_abort("codegen: implement ICMD_LCMP!");
1095 emit_store_dst(jd, iptr, d);
1099 /* floating operations ************************************************/
1101 case ICMD_FNEG: /* ..., value ==> ..., - value */
1103 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1104 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1106 emit_store_dst(jd, iptr, d);
1109 case ICMD_DNEG: /* ..., value ==> ..., - value */
1111 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1112 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1114 emit_store_dst(jd, iptr, d);
1117 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1119 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1120 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1121 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1123 emit_store_dst(jd, iptr, d);
1126 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1128 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1129 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1130 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1132 emit_store_dst(jd, iptr, d);
1135 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1137 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1138 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1139 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1141 emit_store_dst(jd, iptr, d);
1144 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1146 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1147 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1148 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1150 emit_store_dst(jd, iptr, d);
1153 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1155 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1156 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1157 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1159 emit_store_dst(jd, iptr, d);
1162 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1164 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1165 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1166 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1168 emit_store_dst(jd, iptr, d);
1171 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1173 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1174 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1175 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1177 emit_store_dst(jd, iptr, d);
1180 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1182 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1183 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1184 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1186 emit_store_dst(jd, iptr, d);
1189 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1192 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1193 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1195 disp = dseg_add_float(cd, 0.0);
1196 M_FLD(REG_FTMP2, REG_PV, disp);
1197 M_FCMPU(s1, REG_FTMP2);
1199 disp = dseg_add_unique_s4(cd, 0);
1200 M_CVTDL_C(s1, REG_FTMP1);
1201 M_LDA(REG_ITMP1, REG_PV, disp);
1202 M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
1203 M_ILD(d, REG_PV, disp);
1204 emit_store_dst(jd, iptr, d);
1207 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1209 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1210 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1212 emit_store_dst(jd, iptr, d);
1215 case ICMD_D2F: /* ..., value ==> ..., (double) value */
1217 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1218 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1220 emit_store_dst(jd, iptr, d);
1223 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1224 case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
1226 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1227 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1228 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1230 M_IADD_IMM(REG_ZERO, -1, d);
1233 M_IADD_IMM(REG_ZERO, 0, d);
1235 M_IADD_IMM(REG_ZERO, 1, d);
1236 emit_store_dst(jd, iptr, d);
1239 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1240 case ICMD_DCMPG: /* == => 0, < => 1, > => -1 */
1242 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1243 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1244 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1246 M_IADD_IMM(REG_ZERO, 1, d);
1249 M_IADD_IMM(REG_ZERO, 0, d);
1251 M_IADD_IMM(REG_ZERO, -1, d);
1252 emit_store_dst(jd, iptr, d);
1256 /* memory operations **************************************************/
1258 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1260 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1261 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1262 /* implicit null-pointer check */
1263 M_ILD(d, s1, OFFSET(java_array_t, size));
1264 emit_store_dst(jd, iptr, d);
1267 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1269 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1270 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1271 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1272 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1273 M_IADD_IMM(s2, OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
1274 /* implicit null-pointer check */
1275 M_LBZX(d, s1, REG_ITMP2);
1277 emit_store_dst(jd, iptr, d);
1280 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1282 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1283 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1284 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1285 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1286 M_SLL_IMM(s2, 1, REG_ITMP2);
1287 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, data[0]), REG_ITMP2);
1288 /* implicit null-pointer check */
1289 M_LHZX(d, s1, REG_ITMP2);
1290 emit_store_dst(jd, iptr, d);
1293 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1295 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1296 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1297 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1298 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1299 M_SLL_IMM(s2, 1, REG_ITMP2);
1300 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
1301 /* implicit null-pointer check */
1302 M_LHAX(d, s1, REG_ITMP2);
1303 emit_store_dst(jd, iptr, d);
1306 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1308 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1309 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1310 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1311 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1312 M_SLL_IMM(s2, 2, REG_ITMP2);
1313 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, data[0]), REG_ITMP2);
1314 /* implicit null-pointer check */
1315 M_LWZX(d, s1, REG_ITMP2);
1316 emit_store_dst(jd, iptr, d);
1319 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1321 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1322 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1323 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1324 /* implicit null-pointer check */
1325 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1326 M_SLL_IMM(s2, 3, REG_ITMP2);
1327 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1328 M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray_t, data[0]));
1329 emit_store_dst(jd, iptr, d);
1332 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1334 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1335 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1336 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1337 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1338 M_SLL_IMM(s2, 2, REG_ITMP2);
1339 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
1340 /* implicit null-pointer check */
1341 M_LFSX(d, s1, REG_ITMP2);
1342 emit_store_dst(jd, iptr, d);
1345 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1347 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1348 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1349 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1350 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1351 M_SLL_IMM(s2, 3, REG_ITMP2);
1352 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
1353 /* implicit null-pointer check */
1354 M_LFDX(d, s1, REG_ITMP2);
1355 emit_store_dst(jd, iptr, d);
1358 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1360 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1361 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1362 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1363 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1364 M_SLL_IMM(s2, 2, REG_ITMP2);
1365 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
1366 /* implicit null-pointer check */
1367 M_LWZX(d, s1, REG_ITMP2);
1368 emit_store_dst(jd, iptr, d);
1372 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1374 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1375 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1376 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1377 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1378 M_IADD_IMM(s2, OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
1379 /* implicit null-pointer check */
1380 M_STBX(s3, s1, REG_ITMP2);
1383 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1385 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1386 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1387 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1388 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1389 M_SLL_IMM(s2, 1, REG_ITMP2);
1390 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, data[0]), REG_ITMP2);
1391 /* implicit null-pointer check */
1392 M_STHX(s3, s1, REG_ITMP2);
1395 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1397 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1398 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1399 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1400 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1401 M_SLL_IMM(s2, 1, REG_ITMP2);
1402 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
1403 /* implicit null-pointer check */
1404 M_STHX(s3, s1, REG_ITMP2);
1407 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1409 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1410 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1411 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1412 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1413 M_SLL_IMM(s2, 2, REG_ITMP2);
1414 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, data[0]), REG_ITMP2);
1415 /* implicit null-pointer check */
1416 M_STWX(s3, s1, REG_ITMP2);
1419 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1421 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1422 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1423 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1424 s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
1425 M_SLL_IMM(s2, 3, REG_ITMP2);
1426 M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray_t, data[0]), REG_ITMP2);
1427 /* implicit null-pointer check */
1428 M_STWX(s3, s1, REG_ITMP2);
1429 M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
1430 s3 = emit_load_s3_low(jd, iptr, REG_ITMP3);
1431 M_STWX(s3, s1, REG_ITMP2);
1434 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1436 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1437 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1438 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1439 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1440 M_SLL_IMM(s2, 2, REG_ITMP2);
1441 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
1442 /* implicit null-pointer check */
1443 M_STFSX(s3, s1, REG_ITMP2);
1446 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1448 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1449 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1450 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1451 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1452 M_SLL_IMM(s2, 3, REG_ITMP2);
1453 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
1454 /* implicit null-pointer check */
1455 M_STFDX(s3, s1, REG_ITMP2);
1458 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1460 s1 = emit_load_s1(jd, iptr, REG_A0);
1461 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1462 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1463 s3 = emit_load_s3(jd, iptr, REG_A1);
1465 /* XXX what if array is NULL */
1466 disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
1467 M_ALD(REG_ITMP3, REG_PV, disp);
1470 M_INTMOVE(s1, REG_A0);
1471 M_INTMOVE(s3, REG_A1);
1474 emit_arraystore_check(cd, iptr);
1476 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1477 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1478 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1479 M_SLL_IMM(s2, 2, REG_ITMP2);
1480 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
1481 /* implicit null-pointer check */
1482 M_STWX(s3, s1, REG_ITMP2);
1486 case ICMD_GETSTATIC: /* ... ==> ..., value */
1488 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1489 uf = iptr->sx.s23.s3.uf;
1490 fieldtype = uf->fieldref->parseddesc.fd->type;
1491 disp = dseg_add_unique_address(cd, uf);
1493 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1496 fi = iptr->sx.s23.s3.fmiref->p.field;
1497 fieldtype = fi->type;
1498 disp = dseg_add_address(cd, fi->value);
1500 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1501 patcher_add_patch_ref(jd, PATCHER_initialize_class,
1505 M_ALD(REG_ITMP1, REG_PV, disp);
1506 switch (fieldtype) {
1508 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1509 M_ILD_INTERN(d, REG_ITMP1, 0);
1512 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1513 M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
1514 M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
1517 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1518 M_ALD_INTERN(d, REG_ITMP1, 0);
1521 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1522 M_FLD_INTERN(d, REG_ITMP1, 0);
1525 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1526 M_DLD_INTERN(d, REG_ITMP1, 0);
1529 emit_store_dst(jd, iptr, d);
1532 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1534 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1535 uf = iptr->sx.s23.s3.uf;
1536 fieldtype = uf->fieldref->parseddesc.fd->type;
1537 disp = dseg_add_unique_address(cd, uf);
1539 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1542 fi = iptr->sx.s23.s3.fmiref->p.field;
1543 fieldtype = fi->type;
1544 disp = dseg_add_address(cd, fi->value);
1546 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
1547 patcher_add_patch_ref(jd, PATCHER_initialize_class,
1551 M_ALD(REG_ITMP1, REG_PV, disp);
1552 switch (fieldtype) {
1554 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1555 M_IST_INTERN(s1, REG_ITMP1, 0);
1558 s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
1559 M_LST_INTERN(s1, REG_ITMP1, 0);
1562 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1563 M_AST_INTERN(s1, REG_ITMP1, 0);
1566 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1567 M_FST_INTERN(s1, REG_ITMP1, 0);
1570 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1571 M_DST_INTERN(s1, REG_ITMP1, 0);
1577 case ICMD_GETFIELD: /* ... ==> ..., value */
1579 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1581 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1582 uf = iptr->sx.s23.s3.uf;
1583 fieldtype = uf->fieldref->parseddesc.fd->type;
1586 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1589 fi = iptr->sx.s23.s3.fmiref->p.field;
1590 fieldtype = fi->type;
1594 /* implicit null-pointer check */
1595 switch (fieldtype) {
1597 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1601 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1602 if (GET_HIGH_REG(d) == s1) {
1603 M_ILD(GET_LOW_REG(d), s1, disp + 4);
1604 M_ILD(GET_HIGH_REG(d), s1, disp);
1607 M_ILD(GET_HIGH_REG(d), s1, disp);
1608 M_ILD(GET_LOW_REG(d), s1, disp + 4);
1612 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1616 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1620 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1624 emit_store_dst(jd, iptr, d);
1627 case ICMD_PUTFIELD: /* ..., value ==> ... */
1629 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1631 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1632 uf = iptr->sx.s23.s3.uf;
1633 fieldtype = uf->fieldref->parseddesc.fd->type;
1637 fi = iptr->sx.s23.s3.fmiref->p.field;
1638 fieldtype = fi->type;
1642 if (IS_INT_LNG_TYPE(fieldtype)) {
1643 if (IS_2_WORD_TYPE(fieldtype))
1644 s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
1646 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1649 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1651 if (INSTRUCTION_IS_UNRESOLVED(iptr))
1652 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1654 /* implicit null-pointer check */
1655 switch (fieldtype) {
1657 M_IST(s2, s1, disp);
1660 M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
1661 M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
1664 M_AST(s2, s1, disp);
1667 M_FST(s2, s1, disp);
1670 M_DST(s2, s1, disp);
1676 /* branch operations **************************************************/
1678 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
1680 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1681 M_INTMOVE(s1, REG_ITMP1_XPTR);
1683 #ifdef ENABLE_VERIFIER
1684 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1685 unresolved_class *uc = iptr->sx.s23.s2.uc;
1687 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
1689 #endif /* ENABLE_VERIFIER */
1691 disp = dseg_add_functionptr(cd, asm_handle_exception);
1692 M_ALD(REG_ITMP2, REG_PV, disp);
1695 if (code_is_leafmethod(code))
1696 M_MFLR(REG_ITMP3); /* save LR */
1698 M_BL(0); /* get current PC */
1699 M_MFLR(REG_ITMP2_XPC);
1701 if (code_is_leafmethod(code))
1702 M_MTLR(REG_ITMP3); /* restore LR */
1704 M_RTS; /* jump to CTR */
1708 case ICMD_GOTO: /* ... ==> ... */
1709 case ICMD_RET: /* ... ==> ... */
1711 emit_br(cd, iptr->dst.block);
1715 case ICMD_JSR: /* ... ==> ... */
1717 emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
1721 case ICMD_IFNULL: /* ..., value ==> ... */
1722 case ICMD_IFNONNULL:
1724 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1726 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
1734 case ICMD_IFEQ: /* ..., value ==> ... */
1736 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1737 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
1738 M_CMPI(s1, iptr->sx.val.i);
1740 ICONST(REG_ITMP2, iptr->sx.val.i);
1741 M_CMP(s1, REG_ITMP2);
1743 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
1747 case ICMD_IF_LEQ: /* ..., value ==> ... */
1749 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1750 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1751 if (iptr->sx.val.l == 0) {
1752 M_IOR_TST(s1, s2, REG_ITMP3);
1754 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1755 M_XOR_IMM(s2, 0, REG_ITMP2);
1756 M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
1757 M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1760 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1761 M_XOR(s1, REG_ITMP3, REG_ITMP1);
1762 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1763 M_XOR(s2, REG_ITMP3, REG_ITMP2);
1764 M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1766 emit_beq(cd, iptr->dst.block);
1769 case ICMD_IF_LLT: /* ..., value ==> ... */
1771 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1772 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1773 if (iptr->sx.val.l == 0) {
1774 /* if high word is less than zero, the whole long is too */
1776 emit_blt(cd, iptr->dst.block);
1778 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1780 emit_blt(cd, iptr->dst.block);
1781 emit_label_bgt(cd, BRANCH_LABEL_1);
1782 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1783 emit_blt(cd, iptr->dst.block);
1784 emit_label(cd, BRANCH_LABEL_1);
1787 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1788 M_CMP(s2, REG_ITMP3);
1789 emit_blt(cd, iptr->dst.block);
1790 emit_label_bgt(cd, BRANCH_LABEL_1);
1791 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1792 M_CMPU(s1, REG_ITMP3);
1793 emit_blt(cd, iptr->dst.block);
1794 emit_label(cd, BRANCH_LABEL_1);
1798 case ICMD_IF_LLE: /* ..., value ==> ... */
1800 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1801 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1802 /* if (iptr->sx.val.l == 0) { */
1803 /* M_IOR(s1, s2, REG_ITMP3); */
1804 /* M_CMPI(REG_ITMP3, 0); */
1807 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1809 emit_blt(cd, iptr->dst.block);
1810 emit_label_bgt(cd, BRANCH_LABEL_1);
1811 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1814 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1815 M_CMP(s2, REG_ITMP3);
1816 emit_blt(cd, iptr->dst.block);
1817 emit_label_bgt(cd, BRANCH_LABEL_1);
1818 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1819 M_CMPU(s1, REG_ITMP3);
1821 emit_ble(cd, iptr->dst.block);
1822 emit_label(cd, BRANCH_LABEL_1);
1825 case ICMD_IF_LNE: /* ..., value ==> ... */
1827 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1828 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1829 if (iptr->sx.val.l == 0) {
1830 M_IOR_TST(s1, s2, REG_ITMP3);
1832 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1833 M_XOR_IMM(s2, 0, REG_ITMP2);
1834 M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
1835 M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1838 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1839 M_XOR(s1, REG_ITMP3, REG_ITMP1);
1840 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1841 M_XOR(s2, REG_ITMP3, REG_ITMP2);
1842 M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1844 emit_bne(cd, iptr->dst.block);
1847 case ICMD_IF_LGT: /* ..., value ==> ... */
1849 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1850 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1851 /* if (iptr->sx.val.l == 0) { */
1852 /* M_IOR(s1, s2, REG_ITMP3); */
1853 /* M_CMPI(REG_ITMP3, 0); */
1856 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1858 emit_bgt(cd, iptr->dst.block);
1859 emit_label_blt(cd, BRANCH_LABEL_1);
1860 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1863 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1864 M_CMP(s2, REG_ITMP3);
1865 emit_bgt(cd, iptr->dst.block);
1866 emit_label_blt(cd, BRANCH_LABEL_1);
1867 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1868 M_CMPU(s1, REG_ITMP3);
1870 emit_bgt(cd, iptr->dst.block);
1871 emit_label(cd, BRANCH_LABEL_1);
1874 case ICMD_IF_LGE: /* ..., value ==> ... */
1876 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1877 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1878 if (iptr->sx.val.l == 0) {
1879 /* if high word is greater equal zero, the whole long is too */
1881 emit_bge(cd, iptr->dst.block);
1883 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1885 emit_bgt(cd, iptr->dst.block);
1886 emit_label_blt(cd, BRANCH_LABEL_1);
1887 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1888 emit_bge(cd, iptr->dst.block);
1889 emit_label(cd, BRANCH_LABEL_1);
1892 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1893 M_CMP(s2, REG_ITMP3);
1894 emit_bgt(cd, iptr->dst.block);
1895 emit_label_blt(cd, BRANCH_LABEL_1);
1896 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1897 M_CMPU(s1, REG_ITMP3);
1898 emit_bge(cd, iptr->dst.block);
1899 emit_label(cd, BRANCH_LABEL_1);
1903 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
1904 case ICMD_IF_ICMPNE:
1905 case ICMD_IF_ICMPLT:
1906 case ICMD_IF_ICMPGT:
1907 case ICMD_IF_ICMPLE:
1908 case ICMD_IF_ICMPGE:
1910 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1911 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1913 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
1916 case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
1917 case ICMD_IF_ACMPNE:
1919 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1920 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1922 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
1925 case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
1927 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1928 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1930 emit_label_bne(cd, BRANCH_LABEL_1);
1931 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1932 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1934 emit_beq(cd, iptr->dst.block);
1935 emit_label(cd, BRANCH_LABEL_1);
1938 case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
1940 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1941 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1943 emit_bne(cd, iptr->dst.block);
1944 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1945 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1947 emit_bne(cd, iptr->dst.block);
1950 case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
1952 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1953 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1955 emit_blt(cd, iptr->dst.block);
1956 emit_label_bgt(cd, BRANCH_LABEL_1);
1957 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1958 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1960 emit_blt(cd, iptr->dst.block);
1961 emit_label(cd, BRANCH_LABEL_1);
1964 case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
1966 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1967 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1969 emit_bgt(cd, iptr->dst.block);
1970 emit_label_blt(cd, BRANCH_LABEL_1);
1971 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1972 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1974 emit_bgt(cd, iptr->dst.block);
1975 emit_label(cd, BRANCH_LABEL_1);
1978 case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
1980 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1981 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1983 emit_blt(cd, iptr->dst.block);
1984 emit_label_bgt(cd, BRANCH_LABEL_1);
1985 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1986 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1988 emit_ble(cd, iptr->dst.block);
1989 emit_label(cd, BRANCH_LABEL_1);
1992 case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
1994 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1995 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1997 emit_bgt(cd, iptr->dst.block);
1998 emit_label_blt(cd, BRANCH_LABEL_1);
1999 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2000 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2002 emit_bge(cd, iptr->dst.block);
2003 emit_label(cd, BRANCH_LABEL_1);
2006 case ICMD_IRETURN: /* ..., retvalue ==> ... */
2008 REPLACEMENT_POINT_RETURN(cd, iptr);
2009 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2010 M_INTMOVE(s1, REG_RESULT);
2011 goto nowperformreturn;
2013 case ICMD_ARETURN: /* ..., retvalue ==> ... */
2015 REPLACEMENT_POINT_RETURN(cd, iptr);
2016 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2017 M_INTMOVE(s1, REG_RESULT);
2019 #ifdef ENABLE_VERIFIER
2020 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2021 unresolved_class *uc = iptr->sx.s23.s2.uc;
2023 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2025 #endif /* ENABLE_VERIFIER */
2026 goto nowperformreturn;
2028 case ICMD_LRETURN: /* ..., retvalue ==> ... */
2030 REPLACEMENT_POINT_RETURN(cd, iptr);
2031 s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
2032 M_LNGMOVE(s1, REG_RESULT_PACKED);
2033 goto nowperformreturn;
2035 case ICMD_FRETURN: /* ..., retvalue ==> ... */
2038 REPLACEMENT_POINT_RETURN(cd, iptr);
2039 s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2040 M_FLTMOVE(s1, REG_FRESULT);
2041 goto nowperformreturn;
2043 case ICMD_RETURN: /* ... ==> ... */
2045 REPLACEMENT_POINT_RETURN(cd, iptr);
2051 p = cd->stackframesize;
2053 /* call trace function */
2055 emit_verbosecall_exit(jd);
2057 #if defined(ENABLE_THREADS)
2058 if (checksync && code_is_synchronized(code)) {
2059 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2060 M_ALD(REG_ITMP3, REG_PV, disp);
2063 /* we need to save the proper return value */
2065 switch (iptr->opc) {
2067 M_IST(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
2071 M_IST(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
2075 M_DST(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
2079 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2082 /* and now restore the proper return value */
2084 switch (iptr->opc) {
2086 M_ILD(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
2090 M_ILD(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
2094 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
2100 /* restore return address */
2102 if (!code_is_leafmethod(code)) {
2103 /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
2104 may have a displacement overflow. */
2106 M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
2110 /* restore saved registers */
2112 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2113 p--; M_ILD(rd->savintregs[i], REG_SP, p * 8);
2115 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2116 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2119 /* deallocate stack */
2121 if (cd->stackframesize)
2122 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2130 case ICMD_TABLESWITCH: /* ..., index ==> ... */
2133 branch_target_t *table;
2135 table = iptr->dst.table;
2137 l = iptr->sx.s23.s2.tablelow;
2138 i = iptr->sx.s23.s3.tablehigh;
2140 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2142 M_INTMOVE(s1, REG_ITMP1);
2143 else if (l <= 32768)
2144 M_LDA(REG_ITMP1, s1, -l);
2146 ICONST(REG_ITMP2, l);
2147 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2154 M_CMPUI(REG_ITMP1, i - 1);
2155 emit_bgt(cd, table[0].block);
2157 /* build jump table top down and use address of lowest entry */
2162 dseg_add_target(cd, table->block);
2166 /* length of dataseg after last dseg_add_target is used by load */
2168 M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
2169 M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
2170 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2178 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
2181 lookup_target_t *lookup;
2183 lookup = iptr->dst.lookup;
2185 i = iptr->sx.s23.s2.lookupcount;
2187 MCODECHECK((i<<2)+8);
2188 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2191 if ((lookup->value >= -32768) && (lookup->value <= 32767)) {
2192 M_CMPI(s1, lookup->value);
2195 disp = dseg_add_s4(cd, lookup->value);
2196 M_ILD(REG_ITMP2, REG_PV, disp);
2197 M_CMP(s1, REG_ITMP2);
2199 emit_beq(cd, lookup->target.block);
2203 emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2209 case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
2211 REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
2213 bte = iptr->sx.s23.s3.bte;
2217 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2219 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2220 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2221 case ICMD_INVOKEINTERFACE:
2223 REPLACEMENT_POINT_INVOKE(cd, iptr);
2225 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2227 um = iptr->sx.s23.s3.um;
2228 md = um->methodref->parseddesc.md;
2231 lm = iptr->sx.s23.s3.fmiref->p.method;
2233 md = lm->parseddesc;
2239 MCODECHECK((i << 1) + 64);
2241 /* Copy arguments to registers or stack location. */
2243 for (i = i - 1; i >= 0; i--) {
2244 var = VAR(iptr->sx.s23.s2.args[i]);
2245 d = md->params[i].regoff;
2247 /* Already pre-allocated? */
2249 if (var->flags & PREALLOC)
2252 if (!md->params[i].inmemory) {
2253 s1 = emit_load(jd, iptr, var, d);
2255 switch (var->type) {
2272 switch (var->type) {
2275 s1 = emit_load(jd, iptr, var, REG_ITMP1);
2276 M_IST(s1, REG_SP, d);
2280 s1 = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
2281 M_LST(s1, REG_SP, d);
2286 s1 = emit_load(jd, iptr, var, REG_FTMP1);
2287 M_DST(s1, REG_SP, d);
2293 switch (iptr->opc) {
2295 if (bte->stub == NULL)
2296 disp = dseg_add_functionptr(cd, bte->fp);
2298 disp = dseg_add_functionptr(cd, bte->stub);
2300 M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
2302 /* generate the actual call */
2306 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2307 REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
2308 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2310 M_LDA(REG_PV, REG_ITMP1, -disp);
2313 case ICMD_INVOKESPECIAL:
2314 emit_nullpointer_check(cd, iptr, REG_A0);
2317 case ICMD_INVOKESTATIC:
2319 disp = dseg_add_unique_address(cd, um);
2321 patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
2325 disp = dseg_add_address(cd, lm->stubroutine);
2327 M_ALD(REG_PV, REG_PV, disp);
2329 /* generate the actual call */
2333 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2334 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2336 M_LDA(REG_PV, REG_ITMP1, -disp);
2339 case ICMD_INVOKEVIRTUAL:
2341 patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2346 s1 = OFFSET(vftbl_t, table[0]) +
2347 sizeof(methodptr) * lm->vftblindex;
2350 /* implicit null-pointer check */
2351 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2352 M_ALD(REG_PV, REG_METHODPTR, s1);
2354 /* generate the actual call */
2358 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2359 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2361 M_LDA(REG_PV, REG_ITMP1, -disp);
2364 case ICMD_INVOKEINTERFACE:
2366 patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2372 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2373 sizeof(methodptr*) * lm->clazz->index;
2375 s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
2378 /* implicit null-pointer check */
2379 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2380 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2381 M_ALD(REG_PV, REG_METHODPTR, s2);
2383 /* generate the actual call */
2387 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2388 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2390 M_LDA(REG_PV, REG_ITMP1, -disp);
2394 /* Store return value. */
2396 switch (md->returntype.type) {
2399 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2400 M_INTMOVE(REG_RESULT, s1);
2401 emit_store_dst(jd, iptr, s1);
2405 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
2406 M_LNGMOVE(REG_RESULT_PACKED, s1);
2407 emit_store_dst(jd, iptr, s1);
2412 s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2413 M_FLTMOVE(REG_FRESULT, s1);
2414 emit_store_dst(jd, iptr, s1);
2423 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2425 if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2426 /* object type cast-check */
2431 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2436 super = iptr->sx.s23.s3.c.cls;
2437 superindex = super->index;
2440 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2442 /* if class is not resolved, check which code to call */
2444 if (super == NULL) {
2446 emit_label_beq(cd, BRANCH_LABEL_1);
2448 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2450 patcher_add_patch_ref(jd,
2451 PATCHER_resolve_classref_to_flags,
2452 iptr->sx.s23.s3.c.ref,
2455 M_ILD(REG_ITMP2, REG_PV, disp);
2456 M_IAND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
2457 emit_label_beq(cd, BRANCH_LABEL_2);
2460 /* interface checkcast code */
2462 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2463 if (super == NULL) {
2464 patcher_add_patch_ref(jd,
2465 PATCHER_checkcast_interface,
2466 iptr->sx.s23.s3.c.ref,
2471 emit_label_beq(cd, BRANCH_LABEL_3);
2474 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2475 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
2476 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2477 emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2479 M_ALD(REG_ITMP3, REG_ITMP2,
2480 OFFSET(vftbl_t, interfacetable[0]) -
2481 superindex * sizeof(methodptr*));
2483 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2486 emit_label_br(cd, BRANCH_LABEL_4);
2488 emit_label(cd, BRANCH_LABEL_3);
2491 /* class checkcast code */
2493 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2494 if (super == NULL) {
2495 emit_label(cd, BRANCH_LABEL_2);
2497 disp = dseg_add_unique_address(cd, NULL);
2499 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2500 iptr->sx.s23.s3.c.ref,
2504 disp = dseg_add_address(cd, super->vftbl);
2507 emit_label_beq(cd, BRANCH_LABEL_5);
2510 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2512 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2513 M_ALD(REG_ITMP2, REG_PV, disp);
2514 if (s1 != REG_ITMP1) {
2515 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
2516 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2518 M_ISUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
2521 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2522 M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2523 M_ALD(REG_ITMP2, REG_PV, disp);
2524 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2526 M_CMPU(REG_ITMP3, REG_ITMP2);
2527 emit_classcast_check(cd, iptr, BRANCH_GT, REG_ITMP3, s1);
2530 emit_label(cd, BRANCH_LABEL_5);
2533 if (super == NULL) {
2534 emit_label(cd, BRANCH_LABEL_1);
2535 emit_label(cd, BRANCH_LABEL_4);
2538 d = codegen_reg_of_dst(jd, iptr, s1);
2541 /* array type cast-check */
2543 s1 = emit_load_s1(jd, iptr, REG_A0);
2544 M_INTMOVE(s1, REG_A0);
2546 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2547 disp = dseg_add_unique_address(cd, NULL);
2549 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
2550 iptr->sx.s23.s3.c.ref,
2554 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2556 M_ALD(REG_A1, REG_PV, disp);
2557 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2558 M_ALD(REG_ITMP2, REG_PV, disp);
2562 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2564 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2565 d = codegen_reg_of_dst(jd, iptr, s1);
2568 emit_store_dst(jd, iptr, d);
2571 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
2577 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2582 super = iptr->sx.s23.s3.c.cls;
2583 superindex = super->index;
2586 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2588 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2590 M_MOV(s1, REG_ITMP1);
2596 /* if class is not resolved, check which code to call */
2598 if (super == NULL) {
2600 emit_label_beq(cd, BRANCH_LABEL_1);
2602 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2604 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2605 iptr->sx.s23.s3.c.ref, disp);
2607 M_ILD(REG_ITMP3, REG_PV, disp);
2608 M_IAND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
2609 emit_label_beq(cd, BRANCH_LABEL_2);
2612 /* interface instanceof code */
2614 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2615 if (super == NULL) {
2616 patcher_add_patch_ref(jd,
2617 PATCHER_instanceof_interface,
2618 iptr->sx.s23.s3.c.ref, 0);
2622 emit_label_beq(cd, BRANCH_LABEL_3);
2625 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2626 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2627 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2629 M_ALD(REG_ITMP1, REG_ITMP1,
2630 OFFSET(vftbl_t, interfacetable[0]) -
2631 superindex * sizeof(methodptr*));
2634 M_IADD_IMM(REG_ZERO, 1, d);
2637 emit_label_br(cd, BRANCH_LABEL_4);
2639 emit_label(cd, BRANCH_LABEL_3);
2642 /* class instanceof code */
2644 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2645 if (super == NULL) {
2646 emit_label(cd, BRANCH_LABEL_2);
2648 disp = dseg_add_unique_address(cd, NULL);
2650 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2651 iptr->sx.s23.s3.c.ref,
2655 disp = dseg_add_address(cd, super->vftbl);
2658 emit_label_beq(cd, BRANCH_LABEL_5);
2661 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2662 M_ALD(REG_ITMP2, REG_PV, disp);
2664 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2665 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2666 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2668 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2669 M_CMPU(REG_ITMP1, REG_ITMP2);
2672 M_IADD_IMM(REG_ZERO, 1, d);
2675 emit_label(cd, BRANCH_LABEL_5);
2678 if (super == NULL) {
2679 emit_label(cd, BRANCH_LABEL_1);
2680 emit_label(cd, BRANCH_LABEL_4);
2683 emit_store_dst(jd, iptr, d);
2687 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
2689 /* check for negative sizes and copy sizes to stack if necessary */
2691 MCODECHECK((iptr->s1.argcount << 1) + 64);
2693 for (s1 = iptr->s1.argcount; --s1 >= 0;) {
2694 var = VAR(iptr->sx.s23.s2.args[s1]);
2696 /* copy SAVEDVAR sizes to stack */
2698 /* Already Preallocated? */
2699 if (!(var->flags & PREALLOC)) {
2700 s2 = emit_load(jd, iptr, var, REG_ITMP1);
2701 #if defined(__DARWIN__)
2702 M_IST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 4);
2704 M_IST(s2, REG_SP, LA_SIZE + (s1 + 3) * 4);
2709 /* a0 = dimension count */
2711 ICONST(REG_A0, iptr->s1.argcount);
2713 /* is patcher function set? */
2715 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2716 disp = dseg_add_unique_address(cd, NULL);
2718 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
2719 iptr->sx.s23.s3.c.ref, disp);
2722 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2724 /* a1 = arraydescriptor */
2726 M_ALD(REG_A1, REG_PV, disp);
2728 /* a2 = pointer to dimensions = stack pointer */
2730 #if defined(__DARWIN__)
2731 M_LDA(REG_A2, REG_SP, LA_SIZE + INT_ARG_CNT * 4);
2733 M_LDA(REG_A2, REG_SP, LA_SIZE + 3 * 4);
2736 disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
2737 M_ALD(REG_ITMP3, REG_PV, disp);
2741 /* check for exception before result assignment */
2743 emit_exception_check(cd, iptr);
2745 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2746 M_INTMOVE(REG_RESULT, d);
2747 emit_store_dst(jd, iptr, d);
2751 exceptions_throw_internalerror("Unknown ICMD %d during code generation",
2756 } /* for instruction */
2758 } /* if (bptr -> flags >= BBREACHED) */
2759 } /* for basic block */
2761 /* generate traps */
2763 emit_patcher_traps(jd);
2765 /* everything's ok */
2771 /* codegen_emit_stub_native ****************************************************
2773 Emits a stub routine which calls a native method.
2775 *******************************************************************************/
2777 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
2783 s4 i, j; /* count variables */
2792 /* Get required compiler data. */
2798 /* set some variables */
2802 /* calculate stackframe size */
2804 cd->stackframesize =
2805 sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
2806 sizeof(localref_table) / SIZEOF_VOID_P +
2807 4 + /* 4 stackframeinfo arguments (darwin) */
2811 /* keep stack 16-byte aligned */
2813 ALIGN_2(cd->stackframesize);
2815 /* create method header */
2817 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
2818 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
2819 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
2820 (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
2821 (void) dseg_add_unique_s4(cd, 0); /* IntSave */
2822 (void) dseg_add_unique_s4(cd, 0); /* FltSave */
2827 M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
2828 M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
2830 #if defined(ENABLE_GC_CACAO)
2831 /* Save callee saved integer registers in stackframeinfo (GC may
2832 need to recover them during a collection). */
2834 disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
2835 OFFSET(stackframeinfo_t, intregs);
2837 for (i = 0; i < INT_SAV_CNT; i++)
2838 M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
2841 /* save integer and float argument registers */
2843 for (i = 0; i < md->paramcount; i++) {
2844 if (!md->params[i].inmemory) {
2845 s1 = md->params[i].regoff;
2847 switch (md->paramtypes[i].type) {
2850 M_IST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2853 M_LST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2857 M_DST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2863 /* create native stack info */
2865 M_MOV(REG_SP, REG_A0);
2866 M_MOV(REG_PV, REG_A1);
2867 disp = dseg_add_functionptr(cd, codegen_start_native_call);
2868 M_ALD(REG_ITMP1, REG_PV, disp);
2872 /* remember class argument */
2874 if (m->flags & ACC_STATIC)
2875 M_MOV(REG_RESULT, REG_ITMP3);
2877 /* restore integer and float argument registers */
2879 for (i = 0; i < md->paramcount; i++) {
2880 if (!md->params[i].inmemory) {
2881 s1 = md->params[i].regoff;
2883 switch (md->paramtypes[i].type) {
2886 M_ILD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2889 M_LLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2893 M_DLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
2899 /* copy or spill arguments to new locations */
2901 for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
2902 t = md->paramtypes[i].type;
2904 if (!md->params[i].inmemory) {
2905 s1 = md->params[i].regoff;
2906 s2 = nmd->params[j].regoff;
2911 if (!nmd->params[j].inmemory)
2914 M_IST(s1, REG_SP, s2);
2918 if (!nmd->params[j].inmemory)
2921 M_LST(s1, REG_SP, s2);
2926 /* We only copy spilled float arguments, as the float
2927 argument registers keep unchanged. */
2932 s1 = md->params[i].regoff + cd->stackframesize * 8;
2933 s2 = nmd->params[j].regoff;
2938 M_ILD(REG_ITMP1, REG_SP, s1);
2939 M_IST(REG_ITMP1, REG_SP, s2);
2943 M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
2944 M_LST(REG_ITMP12_PACKED, REG_SP, s2);
2948 M_DLD(REG_FTMP1, REG_SP, s1);
2949 M_FST(REG_FTMP1, REG_SP, s2);
2953 M_DLD(REG_FTMP1, REG_SP, s1);
2954 M_DST(REG_FTMP1, REG_SP, s2);
2960 /* Handle native Java methods. */
2962 if (m->flags & ACC_NATIVE) {
2963 /* put class into second argument register */
2965 if (m->flags & ACC_STATIC)
2966 M_MOV(REG_ITMP3, REG_A1);
2968 /* put env into first argument register */
2970 disp = dseg_add_address(cd, VM_get_jnienv());
2971 M_ALD(REG_A0, REG_PV, disp);
2974 /* Call the native function. */
2976 disp = dseg_add_functionptr(cd, f);
2977 M_ALD(REG_ITMP3, REG_PV, disp);
2981 /* save return value */
2983 switch (md->returntype.type) {
2986 M_IST(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
2989 M_LST(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
2993 M_DST(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
2999 /* remove native stackframe info */
3001 M_MOV(REG_SP, REG_A0);
3002 M_MOV(REG_PV, REG_A1);
3003 disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3004 M_ALD(REG_ITMP1, REG_PV, disp);
3007 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3009 /* restore return value */
3011 switch (md->returntype.type) {
3014 M_ILD(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
3017 M_LLD(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
3021 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
3027 #if defined(ENABLE_GC_CACAO)
3028 /* Restore callee saved integer registers from stackframeinfo (GC
3029 might have modified them during a collection). */
3031 disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
3032 OFFSET(stackframeinfo_t, intregs);
3034 for (i = 0; i < INT_SAV_CNT; i++)
3035 M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
3038 M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
3039 M_MTLR(REG_ITMP2_XPC);
3040 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* remove stackframe */
3042 /* check for exception */
3044 M_TST(REG_ITMP1_XPTR);
3045 M_BNE(1); /* if no exception then return */
3049 /* handle exception */
3051 M_IADD_IMM(REG_ITMP2_XPC, -4, REG_ITMP2_XPC); /* exception address */
3053 disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3054 M_ALD(REG_ITMP3, REG_PV, disp);
3061 * These are local overrides for various environment variables in Emacs.
3062 * Please do not remove this and leave it at the end of the file, where
3063 * Emacs will automagically detect them.
3064 * ---------------------------------------------------------------------
3067 * indent-tabs-mode: t
3071 * vim:noexpandtab:sw=4:ts=4: