1 /* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 $Id: codegen.c 8297 2007-08-12 00:02:48Z michi $
40 #include "vm/jit/powerpc/arch.h"
41 #include "vm/jit/powerpc/codegen.h"
43 #include "mm/memory.h"
45 #include "native/localref.h"
46 #include "native/native.h"
48 #include "threads/lock-common.h"
50 #include "vm/builtin.h"
51 #include "vm/exceptions.h"
52 #include "vm/global.h"
53 #include "vm/stringlocal.h"
56 #include "vm/jit/abi.h"
57 #include "vm/jit/abi-asm.h"
58 #include "vm/jit/asmpart.h"
59 #include "vm/jit/codegen-common.h"
60 #include "vm/jit/dseg.h"
61 #include "vm/jit/emit-common.h"
62 #include "vm/jit/jit.h"
63 #include "vm/jit/md.h"
64 #include "vm/jit/methodheader.h"
65 #include "vm/jit/parse.h"
66 #include "vm/jit/patcher-common.h"
67 #include "vm/jit/reg.h"
68 #include "vm/jit/replace.h"
69 #include "vm/jit/stacktrace.h"
71 #if defined(ENABLE_LSRA)
72 # include "vm/jit/allocator/lsra.h"
75 #include "vmcore/loader.h"
76 #include "vmcore/options.h"
79 /* codegen *********************************************************************
81 Generates machine code.
83 *******************************************************************************/
85 bool codegen_emit(jitdata *jd)
91 s4 len, s1, s2, s3, d, disp;
98 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
99 unresolved_method *um;
100 builtintable_entry *bte;
103 unresolved_field *uf;
107 /* get required compiler data */
114 /* prevent compiler warnings */
129 /* space to save used callee saved registers */
131 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
132 savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
134 cd->stackframesize = rd->memuse + savedregs_num;
136 #if defined(ENABLE_THREADS)
137 /* Space to save argument of monitor_enter and Return Values to
138 survive monitor_exit. The stack position for the argument can
139 not be shared with place to save the return register on PPC,
140 since both values reside in R3. */
142 if (checksync && (m->flags & ACC_SYNCHRONIZED))
143 cd->stackframesize += 2;
146 /* create method header */
148 /* align stack to 16-bytes */
150 if (!jd->isleafmethod || JITDATA_HAS_FLAG_VERBOSECALL(jd))
151 ALIGN_2(cd->stackframesize);
153 else if (jd->isleafmethod && (cd->stackframesize == LA_SIZE_IN_POINTERS))
154 cd->stackframesize = 0;
156 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
157 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
159 #if defined(ENABLE_THREADS)
160 /* IsSync contains the offset relative to the stack pointer for the
161 argument of monitor_exit used in the exception handler. Since the
162 offset could be zero and give a wrong meaning of the flag it is
166 if (checksync && (m->flags & ACC_SYNCHRONIZED))
167 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8);/* IsSync */
170 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
172 (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
173 (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
174 (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
176 dseg_addlinenumbertablesize(cd);
178 (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
180 /* create exception table */
182 for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
183 dseg_add_target(cd, ex->start);
184 dseg_add_target(cd, ex->end);
185 dseg_add_target(cd, ex->handler);
186 (void) dseg_add_unique_address(cd, ex->catchtype.any);
189 #if defined(ENABLE_PROFILING)
190 /* generate method profiling code */
192 if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
193 /* count frequency */
195 M_ALD(REG_ITMP1, REG_PV, CodeinfoPointer);
196 M_ALD(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
197 M_IADD_IMM(REG_ITMP2, 1, REG_ITMP2);
198 M_AST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
200 /* PROFILE_CYCLE_START; */
204 /* create stack frame (if necessary) */
206 if (!jd->isleafmethod) {
208 M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
211 if (cd->stackframesize)
212 M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
214 /* save return address and used callee saved registers */
216 p = cd->stackframesize;
217 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
218 p--; M_IST(rd->savintregs[i], REG_SP, p * 8);
220 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
221 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
224 /* take arguments out of register or stack frame */
228 for (p = 0, l = 0; p < md->paramcount; p++) {
229 t = md->paramtypes[p].type;
230 varindex = jd->local_map[l * 5 + t];
233 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
236 if (varindex == UNUSED)
240 s1 = md->params[p].regoff;
242 if (IS_INT_LNG_TYPE(t)) {
243 if (!md->params[p].inmemory) {
244 if (!IS_INMEMORY(var->flags)) {
245 if (IS_2_WORD_TYPE(t))
246 M_LNGMOVE(s1, var->vv.regoff);
248 M_INTMOVE(s1, var->vv.regoff);
251 if (IS_2_WORD_TYPE(t))
252 M_LST(s1, REG_SP, var->vv.regoff);
254 M_IST(s1, REG_SP, var->vv.regoff);
258 if (!IS_INMEMORY(var->flags)) {
259 if (IS_2_WORD_TYPE(t))
260 M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
262 M_ILD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
266 M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1);
267 M_IST(REG_ITMP1, REG_SP, var->vv.regoff);
268 if (IS_2_WORD_TYPE(t)) {
269 M_ILD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + s1 + 4);
270 M_IST(REG_ITMP1, REG_SP, var->vv.regoff + 4);
273 /* Reuse Memory Position on Caller Stack */
274 var->vv.regoff = cd->stackframesize * 8 + s1;
280 if (!md->params[p].inmemory) {
281 if (!IS_INMEMORY(var->flags))
282 M_FLTMOVE(s1, var->vv.regoff);
284 M_DST(s1, REG_SP, var->vv.regoff);
287 if (!IS_INMEMORY(var->flags))
288 M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
291 M_DLD(REG_FTMP1, REG_SP, cd->stackframesize * 8 + s1);
292 M_DST(REG_FTMP1, REG_SP, var->vv.regoff);
294 /* Reuse Memory Position on Caller Stack */
295 var->vv.regoff = cd->stackframesize * 8 + s1;
302 #if defined(ENABLE_THREADS)
303 /* call monitorenter function */
305 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
306 /* stack offset for monitor argument */
310 # if !defined(NDEBUG)
311 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
312 M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
314 for (p = 0; p < INT_ARG_CNT; p++)
315 M_IST(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
317 for (p = 0; p < FLT_ARG_CNT; p++)
318 M_DST(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
320 s1 += LA_SIZE_IN_POINTERS + ARG_CNT;
324 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
325 M_ALD(REG_ITMP3, REG_PV, disp);
328 /* get or test the lock object */
330 if (m->flags & ACC_STATIC) {
331 disp = dseg_add_address(cd, &m->class->object.header);
332 M_ALD(REG_A0, REG_PV, disp);
337 M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
340 M_AST(REG_A0, REG_SP, s1 * 8);
343 # if !defined(NDEBUG)
344 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
345 for (p = 0; p < INT_ARG_CNT; p++)
346 M_ILD(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
348 for (p = 0; p < FLT_ARG_CNT; p++)
349 M_DLD(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
351 M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
355 #endif /* defined(ENABLE_THREADS) */
357 /* call trace function */
359 emit_verbosecall_enter(jd);
362 /* end of header generation */
364 /* create replacement points */
366 REPLACEMENT_POINTS_INIT(cd, jd);
368 /* walk through all basic blocks */
370 for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
372 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
374 if (bptr->flags >= BBREACHED) {
375 /* branch resolving */
377 codegen_resolve_branchrefs(cd, bptr);
379 /* handle replacement points */
381 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
383 #if defined(ENABLE_PROFILING)
384 /* generate basicblock profiling code */
386 if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
387 /* count frequency */
389 disp = dseg_add_address(cd, code->bbfrequency);
390 M_ALD(REG_ITMP2, REG_PV, disp);
391 M_ALD(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
392 M_IADD_IMM(REG_ITMP3, 1, REG_ITMP3);
393 M_AST(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
395 /* if this is an exception handler, start profiling again */
397 /* if (bptr->type == BBTYPE_EXH) */
398 /* PROFILE_CYCLE_START; */
402 /* copy interface registers to their destination */
407 #if defined(ENABLE_LSRA)
409 while (src != NULL) {
411 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
412 /* d = reg_of_var(m, src, REG_ITMP1); */
413 if (!IS_INMEMORY(src->flags))
417 M_INTMOVE(REG_ITMP1, d);
418 emit_store(jd, NULL, src, d);
426 var = VAR(bptr->invars[len]);
427 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
428 d = codegen_reg_of_var(0, var, REG_ITMP1);
429 M_INTMOVE(REG_ITMP1, d);
430 emit_store(jd, NULL, var, d);
433 assert((var->flags & INOUT));
437 #if defined(ENABLE_LSRA)
440 /* walk through all instructions */
445 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
446 if (iptr->line != currentline) {
447 dseg_addlinenumber(cd, iptr->line);
448 currentline = iptr->line;
451 MCODECHECK(64); /* an instruction usually needs < 64 words */
454 case ICMD_NOP: /* ... ==> ... */
455 case ICMD_POP: /* ..., value ==> ... */
456 case ICMD_POP2: /* ..., value, value ==> ... */
459 case ICMD_INLINE_START:
461 REPLACEMENT_POINT_INLINE_START(cd, iptr);
464 case ICMD_INLINE_BODY:
466 REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
467 dseg_addlinenumber_inline_start(cd, iptr);
468 dseg_addlinenumber(cd, iptr->line);
471 case ICMD_INLINE_END:
473 dseg_addlinenumber_inline_end(cd, iptr);
474 dseg_addlinenumber(cd, iptr->line);
477 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
479 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
480 emit_nullpointer_check(cd, iptr, s1);
483 /* constant operations ************************************************/
485 case ICMD_ICONST: /* ... ==> ..., constant */
487 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
488 ICONST(d, iptr->sx.val.i);
489 emit_store_dst(jd, iptr, d);
492 case ICMD_LCONST: /* ... ==> ..., constant */
494 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
495 LCONST(d, iptr->sx.val.l);
496 emit_store_dst(jd, iptr, d);
499 case ICMD_FCONST: /* ... ==> ..., constant */
501 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
502 a = dseg_add_float(cd, iptr->sx.val.f);
504 emit_store_dst(jd, iptr, d);
507 case ICMD_DCONST: /* ... ==> ..., constant */
509 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
510 a = dseg_add_double(cd, iptr->sx.val.d);
512 emit_store_dst(jd, iptr, d);
515 case ICMD_ACONST: /* ... ==> ..., constant */
517 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
519 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
520 constant_classref *cr = iptr->sx.val.c.ref;;
522 disp = dseg_add_unique_address(cd, cr);
524 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
528 disp = dseg_add_address(cd, iptr->sx.val.anyptr);
530 M_ALD(d, REG_PV, disp);
531 emit_store_dst(jd, iptr, d);
535 /* load/store/copy/move operations ************************************/
537 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
538 case ICMD_ALOAD: /* s1 = local variable */
542 case ICMD_ISTORE: /* ..., value ==> ... */
554 if (!(iptr->flags.bits & INS_FLAG_RETADDR))
559 /* integer operations *************************************************/
561 case ICMD_INEG: /* ..., value ==> ..., - value */
563 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
564 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
566 emit_store_dst(jd, iptr, d);
569 case ICMD_LNEG: /* ..., value ==> ..., - value */
571 s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
572 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
573 M_SUBFIC(GET_LOW_REG(s1), 0, GET_LOW_REG(d));
574 M_SUBFZE(GET_HIGH_REG(s1), GET_HIGH_REG(d));
575 emit_store_dst(jd, iptr, d);
578 case ICMD_I2L: /* ..., value ==> ..., value */
580 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
581 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
582 M_INTMOVE(s1, GET_LOW_REG(d));
583 M_SRA_IMM(GET_LOW_REG(d), 31, GET_HIGH_REG(d));
584 emit_store_dst(jd, iptr, d);
587 case ICMD_L2I: /* ..., value ==> ..., value */
589 s1 = emit_load_s1_low(jd, iptr, REG_ITMP2);
590 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
592 emit_store_dst(jd, iptr, d);
595 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
597 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
598 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
600 emit_store_dst(jd, iptr, d);
603 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
605 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
606 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
608 emit_store_dst(jd, iptr, d);
611 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
613 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
614 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
616 emit_store_dst(jd, iptr, d);
620 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
622 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
623 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
624 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
626 emit_store_dst(jd, iptr, d);
629 /* s1.localindex = variable, sx.val.i = constant*/
634 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
635 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
636 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767)) {
637 M_IADD_IMM(s1, iptr->sx.val.i, d);
639 ICONST(REG_ITMP2, iptr->sx.val.i);
640 M_IADD(s1, REG_ITMP2, d);
642 /* XXX the old code for ICMD_IINC was as follows:
644 u4 m = iptr->sx.val.i;
648 M_ADDIS(s1, m >> 16, d);
650 M_IADD_IMM(s1, m & 0xffff, d);
653 emit_store_dst(jd, iptr, d);
656 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
658 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
659 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
660 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
661 M_ADDC(s1, s2, GET_LOW_REG(d));
662 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
663 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
664 M_ADDE(s1, s2, GET_HIGH_REG(d));
665 emit_store_dst(jd, iptr, d);
668 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
669 /* sx.val.l = constant */
671 s3 = iptr->sx.val.l & 0xffffffff;
672 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
673 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
674 if ((s3 >= -32768) && (s3 <= 32767))
675 M_ADDIC(s1, s3, GET_LOW_REG(d));
677 ICONST(REG_ITMP2, s3);
678 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
680 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
681 s3 = iptr->sx.val.l >> 32;
683 M_ADDME(s1, GET_HIGH_REG(d));
685 M_ADDZE(s1, GET_HIGH_REG(d));
687 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
688 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
690 emit_store_dst(jd, iptr, d);
693 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
695 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
696 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
697 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
699 emit_store_dst(jd, iptr, d);
702 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
703 /* sx.val.i = constant */
705 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
706 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
707 if ((iptr->sx.val.i >= -32767) && (iptr->sx.val.i <= 32768))
708 M_IADD_IMM(s1, -iptr->sx.val.i, d);
710 ICONST(REG_ITMP2, iptr->sx.val.i);
711 M_ISUB(s1, REG_ITMP2, d);
713 emit_store_dst(jd, iptr, d);
716 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
718 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
719 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
720 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
721 M_SUBC(s1, s2, GET_LOW_REG(d));
722 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
723 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
724 M_SUBE(s1, s2, GET_HIGH_REG(d));
725 emit_store_dst(jd, iptr, d);
728 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
729 /* sx.val.l = constant */
731 s3 = (-iptr->sx.val.l) & 0xffffffff;
732 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
733 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
734 if ((s3 >= -32768) && (s3 <= 32767)) {
735 M_ADDIC(s1, s3, GET_LOW_REG(d));
737 ICONST(REG_ITMP2, s3);
738 M_ADDC(s1, REG_ITMP2, GET_LOW_REG(d));
740 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
741 s3 = (-iptr->sx.val.l) >> 32;
743 M_ADDME(s1, GET_HIGH_REG(d));
745 M_ADDZE(s1, GET_HIGH_REG(d));
747 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
748 M_ADDE(s1, REG_ITMP3, GET_HIGH_REG(d));
750 emit_store_dst(jd, iptr, d);
753 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
755 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
756 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
757 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
758 emit_arithmetic_check(cd, iptr, s2);
759 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
760 M_CMP(REG_ITMP3, s1);
761 M_BNE(3 + (s1 != d));
763 M_BNE(1 + (s1 != d));
767 emit_store_dst(jd, iptr, d);
770 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
772 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
773 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
774 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
775 emit_arithmetic_check(cd, iptr, s2);
776 M_LDAH(REG_ITMP3, REG_ZERO, 0x8000);
777 M_CMP(REG_ITMP3, s1);
783 M_IDIV(s1, s2, REG_ITMP3);
784 M_IMUL(REG_ITMP3, s2, REG_ITMP3);
785 M_ISUB(s1, REG_ITMP3, d);
786 emit_store_dst(jd, iptr, d);
789 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
790 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
792 s1 = emit_load_s1(jd, iptr, REG_A0_A1_PACKED);
793 s2 = emit_load_s2(jd, iptr, REG_A2_A3_PACKED);
795 /* XXX TODO: only do this if arithmetic check is really done! */
796 M_OR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
797 /* XXX could be optimized */
798 emit_arithmetic_check(cd, iptr, REG_ITMP3);
800 bte = iptr->sx.s23.s3.bte;
801 disp = dseg_add_functionptr(cd, bte->fp);
802 M_ALD(REG_ITMP3, REG_PV, disp);
805 M_LNGMOVE(s1, REG_A0_A1_PACKED);
806 M_LNGMOVE(s2, REG_A2_A3_PACKED);
810 d = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
811 M_LNGMOVE(REG_RESULT_PACKED, d);
812 emit_store_dst(jd, iptr, d);
815 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
817 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
818 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
819 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
821 emit_store_dst(jd, iptr, d);
824 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
825 /* sx.val.i = constant */
827 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
828 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
829 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
830 M_IMUL_IMM(s1, iptr->sx.val.i, d);
832 ICONST(REG_ITMP3, iptr->sx.val.i);
833 M_IMUL(s1, REG_ITMP3, d);
835 emit_store_dst(jd, iptr, d);
838 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
840 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
841 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
842 M_SRA_IMM(s1, iptr->sx.val.i, d);
844 emit_store_dst(jd, iptr, d);
847 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
849 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
850 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
851 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
852 M_AND_IMM(s2, 0x1f, REG_ITMP3);
853 M_SLL(s1, REG_ITMP3, d);
854 emit_store_dst(jd, iptr, d);
857 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
858 /* sx.val.i = constant */
860 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
861 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
862 M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
863 emit_store_dst(jd, iptr, d);
866 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
868 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
869 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
870 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
871 M_AND_IMM(s2, 0x1f, REG_ITMP3);
872 M_SRA(s1, REG_ITMP3, d);
873 emit_store_dst(jd, iptr, d);
876 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
877 /* sx.val.i = constant */
879 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
880 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
881 M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
882 emit_store_dst(jd, iptr, d);
885 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
887 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
888 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
889 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
890 M_AND_IMM(s2, 0x1f, REG_ITMP2);
891 M_SRL(s1, REG_ITMP2, d);
892 emit_store_dst(jd, iptr, d);
895 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
896 /* sx.val.i = constant */
898 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
899 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
900 if (iptr->sx.val.i & 0x1f)
901 M_SRL_IMM(s1, iptr->sx.val.i & 0x1f, d);
905 emit_store_dst(jd, iptr, d);
908 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
910 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
911 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
912 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
914 emit_store_dst(jd, iptr, d);
917 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
918 /* sx.val.i = constant */
920 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
921 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
922 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
923 M_AND_IMM(s1, iptr->sx.val.i, d);
925 else if (iptr->sx.val.i == 0xffffff) {
926 M_RLWINM(s1, 0, 8, 31, d);
930 ICONST(REG_ITMP3, iptr->sx.val.i);
931 M_AND(s1, REG_ITMP3, d);
933 emit_store_dst(jd, iptr, d);
936 case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
938 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
939 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
940 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
941 M_AND(s1, s2, GET_LOW_REG(d));
942 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
943 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
944 M_AND(s1, s2, GET_HIGH_REG(d));
945 emit_store_dst(jd, iptr, d);
948 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
949 /* sx.val.l = constant */
951 s3 = iptr->sx.val.l & 0xffffffff;
952 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
953 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
954 if ((s3 >= 0) && (s3 <= 65535))
955 M_AND_IMM(s1, s3, GET_LOW_REG(d));
957 ICONST(REG_ITMP3, s3);
958 M_AND(s1, REG_ITMP3, GET_LOW_REG(d));
960 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
961 s3 = iptr->sx.val.l >> 32;
962 if ((s3 >= 0) && (s3 <= 65535))
963 M_AND_IMM(s1, s3, GET_HIGH_REG(d));
965 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
966 M_AND(s1, REG_ITMP3, GET_HIGH_REG(d));
968 emit_store_dst(jd, iptr, d);
971 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
972 /* sx.val.i = constant */
974 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
975 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
976 M_MOV(s1, REG_ITMP2);
978 M_BGE(1 + 2*(iptr->sx.val.i >= 32768));
979 if (iptr->sx.val.i >= 32768) {
980 M_ADDIS(REG_ZERO, iptr->sx.val.i >> 16, REG_ITMP2);
981 M_OR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
982 M_IADD(s1, REG_ITMP2, REG_ITMP2);
985 M_IADD_IMM(s1, iptr->sx.val.i, REG_ITMP2);
988 int b=0, m = iptr->sx.val.i;
991 M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
993 M_ISUB(s1, REG_ITMP2, d);
994 emit_store_dst(jd, iptr, d);
997 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
999 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1000 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1001 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1003 emit_store_dst(jd, iptr, d);
1006 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
1007 /* sx.val.i = constant */
1009 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1010 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1011 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
1012 M_OR_IMM(s1, iptr->sx.val.i, d);
1014 ICONST(REG_ITMP3, iptr->sx.val.i);
1015 M_OR(s1, REG_ITMP3, d);
1017 emit_store_dst(jd, iptr, d);
1020 case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1022 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1023 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1024 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1025 M_OR(s1, s2, GET_LOW_REG(d));
1026 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1027 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
1028 M_OR(s1, s2, GET_HIGH_REG(d));
1029 emit_store_dst(jd, iptr, d);
1032 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
1033 /* sx.val.l = constant */
1035 s3 = iptr->sx.val.l & 0xffffffff;
1036 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1037 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1038 if ((s3 >= 0) && (s3 <= 65535))
1039 M_OR_IMM(s1, s3, GET_LOW_REG(d));
1041 ICONST(REG_ITMP3, s3);
1042 M_OR(s1, REG_ITMP3, GET_LOW_REG(d));
1044 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1045 s3 = iptr->sx.val.l >> 32;
1046 if ((s3 >= 0) && (s3 <= 65535))
1047 M_OR_IMM(s1, s3, GET_HIGH_REG(d));
1049 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1050 M_OR(s1, REG_ITMP3, GET_HIGH_REG(d));
1052 emit_store_dst(jd, iptr, d);
1055 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1057 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1058 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1059 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1061 emit_store_dst(jd, iptr, d);
1064 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
1065 /* sx.val.i = constant */
1067 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1068 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1069 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
1070 M_XOR_IMM(s1, iptr->sx.val.i, d);
1072 ICONST(REG_ITMP3, iptr->sx.val.i);
1073 M_XOR(s1, REG_ITMP3, d);
1075 emit_store_dst(jd, iptr, d);
1078 case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1080 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1081 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
1082 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1083 M_XOR(s1, s2, GET_LOW_REG(d));
1084 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1085 s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
1086 M_XOR(s1, s2, GET_HIGH_REG(d));
1087 emit_store_dst(jd, iptr, d);
1090 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
1091 /* sx.val.l = constant */
1093 s3 = iptr->sx.val.l & 0xffffffff;
1094 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1095 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1096 if ((s3 >= 0) && (s3 <= 65535))
1097 M_XOR_IMM(s1, s3, GET_LOW_REG(d));
1099 ICONST(REG_ITMP3, s3);
1100 M_XOR(s1, REG_ITMP3, GET_LOW_REG(d));
1102 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
1103 s3 = iptr->sx.val.l >> 32;
1104 if ((s3 >= 0) && (s3 <= 65535))
1105 M_XOR_IMM(s1, s3, GET_HIGH_REG(d));
1107 ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
1108 M_XOR(s1, REG_ITMP3, GET_HIGH_REG(d));
1110 emit_store_dst(jd, iptr, d);
1113 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
1115 s1 = emit_load_s1_high(jd, iptr, REG_ITMP3);
1116 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
1117 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1118 vm_abort("codegen: implement ICMD_LCMP!");
1119 emit_store_dst(jd, iptr, d);
1123 /* floating operations ************************************************/
1125 case ICMD_FNEG: /* ..., value ==> ..., - value */
1127 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1128 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1130 emit_store_dst(jd, iptr, d);
1133 case ICMD_DNEG: /* ..., value ==> ..., - value */
1135 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1136 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1138 emit_store_dst(jd, iptr, d);
1141 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1143 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1144 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1145 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1147 emit_store_dst(jd, iptr, d);
1150 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1152 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1153 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1154 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1156 emit_store_dst(jd, iptr, d);
1159 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1161 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1162 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1163 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1165 emit_store_dst(jd, iptr, d);
1168 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1170 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1171 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1172 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1174 emit_store_dst(jd, iptr, d);
1177 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1179 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1180 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1181 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1183 emit_store_dst(jd, iptr, d);
1186 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1188 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1189 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1190 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1192 emit_store_dst(jd, iptr, d);
1195 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1197 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1198 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1199 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1201 emit_store_dst(jd, iptr, d);
1204 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1206 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1207 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1208 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1210 emit_store_dst(jd, iptr, d);
1213 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1216 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1217 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1219 disp = dseg_add_float(cd, 0.0);
1220 M_FLD(REG_FTMP2, REG_PV, disp);
1221 M_FCMPU(s1, REG_FTMP2);
1223 disp = dseg_add_unique_s4(cd, 0);
1224 M_CVTDL_C(s1, REG_FTMP1);
1225 M_LDA(REG_ITMP1, REG_PV, disp);
1226 M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
1227 M_ILD(d, REG_PV, disp);
1228 emit_store_dst(jd, iptr, d);
1231 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1233 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1234 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1236 emit_store_dst(jd, iptr, d);
1239 case ICMD_D2F: /* ..., value ==> ..., (double) value */
1241 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1242 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1244 emit_store_dst(jd, iptr, d);
1247 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1248 case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
1251 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1252 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1253 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1255 M_IADD_IMM(REG_ZERO, -1, d);
1258 M_IADD_IMM(REG_ZERO, 0, d);
1260 M_IADD_IMM(REG_ZERO, 1, d);
1261 emit_store_dst(jd, iptr, d);
1264 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1265 case ICMD_DCMPG: /* == => 0, < => 1, > => -1 */
1267 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1268 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1269 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1271 M_IADD_IMM(REG_ZERO, 1, d);
1274 M_IADD_IMM(REG_ZERO, 0, d);
1276 M_IADD_IMM(REG_ZERO, -1, d);
1277 emit_store_dst(jd, iptr, d);
1280 case ICMD_IF_FCMPEQ: /* ..., value, value ==> ... */
1281 case ICMD_IF_DCMPEQ:
1283 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1284 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1287 emit_beq(cd, iptr->dst.block);
1290 case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
1291 case ICMD_IF_DCMPNE:
1293 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1294 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1296 emit_bnan(cd, iptr->dst.block);
1297 emit_bne(cd, iptr->dst.block);
1301 case ICMD_IF_FCMPL_LT: /* ..., value, value ==> ... */
1302 case ICMD_IF_DCMPL_LT:
1304 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1305 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1307 emit_bnan(cd, iptr->dst.block);
1308 emit_blt(cd, iptr->dst.block);
1311 case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
1312 case ICMD_IF_DCMPL_GT:
1314 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1315 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1318 emit_bgt(cd, iptr->dst.block);
1321 case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
1322 case ICMD_IF_DCMPL_LE:
1324 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1325 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1327 emit_bnan(cd, iptr->dst.block);
1328 emit_ble(cd, iptr->dst.block);
1331 case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
1332 case ICMD_IF_DCMPL_GE:
1334 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1335 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1338 emit_bge(cd, iptr->dst.block);
1341 case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
1342 case ICMD_IF_DCMPG_LT:
1344 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1345 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1348 emit_blt(cd, iptr->dst.block);
1351 case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
1352 case ICMD_IF_DCMPG_GT:
1354 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1355 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1357 emit_bnan(cd, iptr->dst.block);
1358 emit_bgt(cd, iptr->dst.block);
1361 case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
1362 case ICMD_IF_DCMPG_LE:
1364 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1365 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1368 emit_ble(cd, iptr->dst.block);
1371 case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
1372 case ICMD_IF_DCMPG_GE:
1374 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1375 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1377 emit_bnan(cd, iptr->dst.block);
1378 emit_bge(cd, iptr->dst.block);
1382 /* memory operations **************************************************/
1384 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1386 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1387 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1388 /* implicit null-pointer check */
1389 M_ILD(d, s1, OFFSET(java_arrayheader, size));
1390 emit_store_dst(jd, iptr, d);
1393 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1395 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1396 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1397 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1398 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1399 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1400 /* implicit null-pointer check */
1401 M_LBZX(d, s1, REG_ITMP2);
1403 emit_store_dst(jd, iptr, d);
1406 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1408 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1409 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1410 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1411 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1412 M_SLL_IMM(s2, 1, REG_ITMP2);
1413 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1414 /* implicit null-pointer check */
1415 M_LHZX(d, s1, REG_ITMP2);
1416 emit_store_dst(jd, iptr, d);
1419 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1421 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1422 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1423 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1424 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1425 M_SLL_IMM(s2, 1, REG_ITMP2);
1426 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1427 /* implicit null-pointer check */
1428 M_LHAX(d, s1, REG_ITMP2);
1429 emit_store_dst(jd, iptr, d);
1432 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1434 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1435 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1436 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1437 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1438 M_SLL_IMM(s2, 2, REG_ITMP2);
1439 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1440 /* implicit null-pointer check */
1441 M_LWZX(d, s1, REG_ITMP2);
1442 emit_store_dst(jd, iptr, d);
1445 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1447 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1448 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1449 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1450 /* implicit null-pointer check */
1451 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1452 M_SLL_IMM(s2, 3, REG_ITMP2);
1453 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1454 M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
1455 emit_store_dst(jd, iptr, d);
1458 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1460 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1461 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1462 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1463 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1464 M_SLL_IMM(s2, 2, REG_ITMP2);
1465 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1466 /* implicit null-pointer check */
1467 M_LFSX(d, s1, REG_ITMP2);
1468 emit_store_dst(jd, iptr, d);
1471 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1473 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1474 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1475 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1476 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1477 M_SLL_IMM(s2, 3, REG_ITMP2);
1478 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1479 /* implicit null-pointer check */
1480 M_LFDX(d, s1, REG_ITMP2);
1481 emit_store_dst(jd, iptr, d);
1484 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1486 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1487 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1488 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1489 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1490 M_SLL_IMM(s2, 2, REG_ITMP2);
1491 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1492 /* implicit null-pointer check */
1493 M_LWZX(d, s1, REG_ITMP2);
1494 emit_store_dst(jd, iptr, d);
1498 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1500 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1501 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1502 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1503 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1504 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1505 /* implicit null-pointer check */
1506 M_STBX(s3, s1, REG_ITMP2);
1509 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1511 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1512 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1513 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1514 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1515 M_SLL_IMM(s2, 1, REG_ITMP2);
1516 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1517 /* implicit null-pointer check */
1518 M_STHX(s3, s1, REG_ITMP2);
1521 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1523 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1524 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1525 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1526 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1527 M_SLL_IMM(s2, 1, REG_ITMP2);
1528 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1529 /* implicit null-pointer check */
1530 M_STHX(s3, s1, REG_ITMP2);
1533 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1535 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1536 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1537 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1538 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1539 M_SLL_IMM(s2, 2, REG_ITMP2);
1540 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1541 /* implicit null-pointer check */
1542 M_STWX(s3, s1, REG_ITMP2);
1545 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1547 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1548 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1549 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1550 s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
1551 M_SLL_IMM(s2, 3, REG_ITMP2);
1552 M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
1553 /* implicit null-pointer check */
1554 M_STWX(s3, s1, REG_ITMP2);
1555 M_IADD_IMM(REG_ITMP2, 4, REG_ITMP2);
1556 s3 = emit_load_s3_low(jd, iptr, REG_ITMP3);
1557 M_STWX(s3, s1, REG_ITMP2);
1560 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1562 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1563 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1564 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1565 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1566 M_SLL_IMM(s2, 2, REG_ITMP2);
1567 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1568 /* implicit null-pointer check */
1569 M_STFSX(s3, s1, REG_ITMP2);
1572 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1574 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1575 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1576 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1577 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1578 M_SLL_IMM(s2, 3, REG_ITMP2);
1579 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1580 /* implicit null-pointer check */
1581 M_STFDX(s3, s1, REG_ITMP2);
1584 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1586 s1 = emit_load_s1(jd, iptr, REG_A0);
1587 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1588 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1589 s3 = emit_load_s3(jd, iptr, REG_A1);
1591 /* XXX what if array is NULL */
1592 disp = dseg_add_functionptr(cd, BUILTIN_canstore);
1593 M_ALD(REG_ITMP3, REG_PV, disp);
1596 M_INTMOVE(s1, REG_A0);
1597 M_INTMOVE(s3, REG_A1);
1600 emit_exception_check(cd, iptr);
1602 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1603 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1604 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1605 M_SLL_IMM(s2, 2, REG_ITMP2);
1606 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1607 /* implicit null-pointer check */
1608 M_STWX(s3, s1, REG_ITMP2);
1612 case ICMD_GETSTATIC: /* ... ==> ..., value */
1614 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1615 uf = iptr->sx.s23.s3.uf;
1616 fieldtype = uf->fieldref->parseddesc.fd->type;
1617 disp = dseg_add_unique_address(cd, uf);
1619 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1622 fi = iptr->sx.s23.s3.fmiref->p.field;
1623 fieldtype = fi->type;
1624 disp = dseg_add_address(cd, fi->value);
1626 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1627 patcher_add_patch_ref(jd, PATCHER_initialize_class,
1631 M_ALD(REG_ITMP1, REG_PV, disp);
1632 switch (fieldtype) {
1634 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1635 M_ILD_INTERN(d, REG_ITMP1, 0);
1638 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1639 M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
1640 M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
1643 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1644 M_ALD_INTERN(d, REG_ITMP1, 0);
1647 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1648 M_FLD_INTERN(d, REG_ITMP1, 0);
1651 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1652 M_DLD_INTERN(d, REG_ITMP1, 0);
1655 emit_store_dst(jd, iptr, d);
1658 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1660 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1661 uf = iptr->sx.s23.s3.uf;
1662 fieldtype = uf->fieldref->parseddesc.fd->type;
1663 disp = dseg_add_unique_address(cd, uf);
1665 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1668 fi = iptr->sx.s23.s3.fmiref->p.field;
1669 fieldtype = fi->type;
1670 disp = dseg_add_address(cd, fi->value);
1672 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1673 patcher_add_patch_ref(jd, PATCHER_initialize_class,
1677 M_ALD(REG_ITMP1, REG_PV, disp);
1678 switch (fieldtype) {
1680 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1681 M_IST_INTERN(s1, REG_ITMP1, 0);
1684 s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
1685 M_LST_INTERN(s1, REG_ITMP1, 0);
1688 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1689 M_AST_INTERN(s1, REG_ITMP1, 0);
1692 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1693 M_FST_INTERN(s1, REG_ITMP1, 0);
1696 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1697 M_DST_INTERN(s1, REG_ITMP1, 0);
1703 case ICMD_GETFIELD: /* ... ==> ..., value */
1705 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1707 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1708 uf = iptr->sx.s23.s3.uf;
1709 fieldtype = uf->fieldref->parseddesc.fd->type;
1712 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1715 fi = iptr->sx.s23.s3.fmiref->p.field;
1716 fieldtype = fi->type;
1720 /* implicit null-pointer check */
1721 switch (fieldtype) {
1723 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1727 d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
1728 if (GET_HIGH_REG(d) == s1) {
1729 M_ILD(GET_LOW_REG(d), s1, disp + 4);
1730 M_ILD(GET_HIGH_REG(d), s1, disp);
1733 M_ILD(GET_HIGH_REG(d), s1, disp);
1734 M_ILD(GET_LOW_REG(d), s1, disp + 4);
1738 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1742 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1746 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1750 emit_store_dst(jd, iptr, d);
1753 case ICMD_PUTFIELD: /* ..., value ==> ... */
1755 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1757 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1758 uf = iptr->sx.s23.s3.uf;
1759 fieldtype = uf->fieldref->parseddesc.fd->type;
1763 fi = iptr->sx.s23.s3.fmiref->p.field;
1764 fieldtype = fi->type;
1768 if (IS_INT_LNG_TYPE(fieldtype)) {
1769 if (IS_2_WORD_TYPE(fieldtype))
1770 s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
1772 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1775 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1777 if (INSTRUCTION_IS_UNRESOLVED(iptr))
1778 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1780 /* implicit null-pointer check */
1781 switch (fieldtype) {
1783 M_IST(s2, s1, disp);
1786 M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
1787 M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
1790 M_AST(s2, s1, disp);
1793 M_FST(s2, s1, disp);
1796 M_DST(s2, s1, disp);
1802 /* branch operations **************************************************/
1804 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
1806 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1807 M_INTMOVE(s1, REG_ITMP1_XPTR);
1809 #ifdef ENABLE_VERIFIER
1810 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1811 unresolved_class *uc = iptr->sx.s23.s2.uc;
1813 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
1815 #endif /* ENABLE_VERIFIER */
1817 disp = dseg_add_functionptr(cd, asm_handle_exception);
1818 M_ALD(REG_ITMP2, REG_PV, disp);
1821 if (jd->isleafmethod)
1822 M_MFLR(REG_ITMP3); /* save LR */
1824 M_BL(0); /* get current PC */
1825 M_MFLR(REG_ITMP2_XPC);
1827 if (jd->isleafmethod)
1828 M_MTLR(REG_ITMP3); /* restore LR */
1830 M_RTS; /* jump to CTR */
1834 case ICMD_GOTO: /* ... ==> ... */
1835 case ICMD_RET: /* ... ==> ... */
1837 emit_br(cd, iptr->dst.block);
1841 case ICMD_JSR: /* ... ==> ... */
1843 emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
1847 case ICMD_IFNULL: /* ..., value ==> ... */
1848 case ICMD_IFNONNULL:
1850 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1852 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
1860 case ICMD_IFEQ: /* ..., value ==> ... */
1862 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1863 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
1864 M_CMPI(s1, iptr->sx.val.i);
1866 ICONST(REG_ITMP2, iptr->sx.val.i);
1867 M_CMP(s1, REG_ITMP2);
1869 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
1873 case ICMD_IF_LEQ: /* ..., value ==> ... */
1875 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1876 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1877 if (iptr->sx.val.l == 0) {
1878 M_OR_TST(s1, s2, REG_ITMP3);
1880 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1881 M_XOR_IMM(s2, 0, REG_ITMP2);
1882 M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
1883 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1886 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1887 M_XOR(s1, REG_ITMP3, REG_ITMP1);
1888 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1889 M_XOR(s2, REG_ITMP3, REG_ITMP2);
1890 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1892 emit_beq(cd, iptr->dst.block);
1895 case ICMD_IF_LLT: /* ..., value ==> ... */
1897 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1898 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1899 if (iptr->sx.val.l == 0) {
1900 /* if high word is less than zero, the whole long is too */
1902 emit_blt(cd, iptr->dst.block);
1904 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1906 emit_blt(cd, iptr->dst.block);
1907 emit_label_bgt(cd, BRANCH_LABEL_1);
1908 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1909 emit_blt(cd, iptr->dst.block);
1910 emit_label(cd, BRANCH_LABEL_1);
1913 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1914 M_CMP(s2, REG_ITMP3);
1915 emit_blt(cd, iptr->dst.block);
1916 emit_label_bgt(cd, BRANCH_LABEL_1);
1917 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1918 M_CMPU(s1, REG_ITMP3);
1919 emit_blt(cd, iptr->dst.block);
1920 emit_label(cd, BRANCH_LABEL_1);
1924 case ICMD_IF_LLE: /* ..., value ==> ... */
1926 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1927 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1928 /* if (iptr->sx.val.l == 0) { */
1929 /* M_OR(s1, s2, REG_ITMP3); */
1930 /* M_CMPI(REG_ITMP3, 0); */
1933 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1935 emit_blt(cd, iptr->dst.block);
1936 emit_label_bgt(cd, BRANCH_LABEL_1);
1937 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1940 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1941 M_CMP(s2, REG_ITMP3);
1942 emit_blt(cd, iptr->dst.block);
1943 emit_label_bgt(cd, BRANCH_LABEL_1);
1944 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1945 M_CMPU(s1, REG_ITMP3);
1947 emit_ble(cd, iptr->dst.block);
1948 emit_label(cd, BRANCH_LABEL_1);
1951 case ICMD_IF_LNE: /* ..., value ==> ... */
1953 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1954 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1955 if (iptr->sx.val.l == 0) {
1956 M_OR_TST(s1, s2, REG_ITMP3);
1958 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1959 M_XOR_IMM(s2, 0, REG_ITMP2);
1960 M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
1961 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1964 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1965 M_XOR(s1, REG_ITMP3, REG_ITMP1);
1966 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1967 M_XOR(s2, REG_ITMP3, REG_ITMP2);
1968 M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
1970 emit_bne(cd, iptr->dst.block);
1973 case ICMD_IF_LGT: /* ..., value ==> ... */
1975 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
1976 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
1977 /* if (iptr->sx.val.l == 0) { */
1978 /* M_OR(s1, s2, REG_ITMP3); */
1979 /* M_CMPI(REG_ITMP3, 0); */
1982 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
1984 emit_bgt(cd, iptr->dst.block);
1985 emit_label_blt(cd, BRANCH_LABEL_1);
1986 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
1989 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
1990 M_CMP(s2, REG_ITMP3);
1991 emit_bgt(cd, iptr->dst.block);
1992 emit_label_blt(cd, BRANCH_LABEL_1);
1993 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
1994 M_CMPU(s1, REG_ITMP3);
1996 emit_bgt(cd, iptr->dst.block);
1997 emit_label(cd, BRANCH_LABEL_1);
2000 case ICMD_IF_LGE: /* ..., value ==> ... */
2002 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2003 s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
2004 if (iptr->sx.val.l == 0) {
2005 /* if high word is greater equal zero, the whole long is too */
2007 emit_bge(cd, iptr->dst.block);
2009 else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
2011 emit_bgt(cd, iptr->dst.block);
2012 emit_label_blt(cd, BRANCH_LABEL_1);
2013 M_CMPUI(s1, iptr->sx.val.l & 0xffff);
2014 emit_bge(cd, iptr->dst.block);
2015 emit_label(cd, BRANCH_LABEL_1);
2018 ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
2019 M_CMP(s2, REG_ITMP3);
2020 emit_bgt(cd, iptr->dst.block);
2021 emit_label_blt(cd, BRANCH_LABEL_1);
2022 ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
2023 M_CMPU(s1, REG_ITMP3);
2024 emit_bge(cd, iptr->dst.block);
2025 emit_label(cd, BRANCH_LABEL_1);
2029 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
2030 case ICMD_IF_ICMPNE:
2031 case ICMD_IF_ICMPLT:
2032 case ICMD_IF_ICMPGT:
2033 case ICMD_IF_ICMPLE:
2034 case ICMD_IF_ICMPGE:
2036 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2037 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2039 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
2042 case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
2043 case ICMD_IF_ACMPNE:
2045 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2046 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2048 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
2051 case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
2053 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2054 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2056 emit_label_bne(cd, BRANCH_LABEL_1);
2057 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2058 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2060 emit_beq(cd, iptr->dst.block);
2061 emit_label(cd, BRANCH_LABEL_1);
2064 case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
2066 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2067 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2069 emit_bne(cd, iptr->dst.block);
2070 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2071 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2073 emit_bne(cd, iptr->dst.block);
2076 case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
2078 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2079 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2081 emit_blt(cd, iptr->dst.block);
2082 emit_label_bgt(cd, BRANCH_LABEL_1);
2083 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2084 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2086 emit_blt(cd, iptr->dst.block);
2087 emit_label(cd, BRANCH_LABEL_1);
2090 case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
2092 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2093 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2095 emit_bgt(cd, iptr->dst.block);
2096 emit_label_blt(cd, BRANCH_LABEL_1);
2097 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2098 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2100 emit_bgt(cd, iptr->dst.block);
2101 emit_label(cd, BRANCH_LABEL_1);
2104 case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
2106 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2107 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2109 emit_blt(cd, iptr->dst.block);
2110 emit_label_bgt(cd, BRANCH_LABEL_1);
2111 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2112 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2114 emit_ble(cd, iptr->dst.block);
2115 emit_label(cd, BRANCH_LABEL_1);
2118 case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
2120 s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
2121 s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
2123 emit_bgt(cd, iptr->dst.block);
2124 emit_label_blt(cd, BRANCH_LABEL_1);
2125 s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
2126 s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
2128 emit_bge(cd, iptr->dst.block);
2129 emit_label(cd, BRANCH_LABEL_1);
2132 case ICMD_IRETURN: /* ..., retvalue ==> ... */
2134 REPLACEMENT_POINT_RETURN(cd, iptr);
2135 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2136 M_INTMOVE(s1, REG_RESULT);
2137 goto nowperformreturn;
2139 case ICMD_ARETURN: /* ..., retvalue ==> ... */
2141 REPLACEMENT_POINT_RETURN(cd, iptr);
2142 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2143 M_INTMOVE(s1, REG_RESULT);
2145 #ifdef ENABLE_VERIFIER
2146 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2147 unresolved_class *uc = iptr->sx.s23.s2.uc;
2149 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2151 #endif /* ENABLE_VERIFIER */
2152 goto nowperformreturn;
2154 case ICMD_LRETURN: /* ..., retvalue ==> ... */
2156 REPLACEMENT_POINT_RETURN(cd, iptr);
2157 s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
2158 M_LNGMOVE(s1, REG_RESULT_PACKED);
2159 goto nowperformreturn;
2161 case ICMD_FRETURN: /* ..., retvalue ==> ... */
2164 REPLACEMENT_POINT_RETURN(cd, iptr);
2165 s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2166 M_FLTMOVE(s1, REG_FRESULT);
2167 goto nowperformreturn;
2169 case ICMD_RETURN: /* ... ==> ... */
2171 REPLACEMENT_POINT_RETURN(cd, iptr);
2177 p = cd->stackframesize;
2179 /* call trace function */
2181 emit_verbosecall_exit(jd);
2183 #if defined(ENABLE_THREADS)
2184 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2185 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2186 M_ALD(REG_ITMP3, REG_PV, disp);
2189 /* we need to save the proper return value */
2191 switch (iptr->opc) {
2193 M_IST(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
2197 M_IST(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
2201 M_DST(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
2205 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2208 /* and now restore the proper return value */
2210 switch (iptr->opc) {
2212 M_ILD(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
2216 M_ILD(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
2220 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
2226 /* restore return address */
2228 if (!jd->isleafmethod) {
2229 /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
2230 may have a displacement overflow. */
2232 M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
2236 /* restore saved registers */
2238 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2239 p--; M_ILD(rd->savintregs[i], REG_SP, p * 8);
2241 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2242 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2245 /* deallocate stack */
2247 if (cd->stackframesize)
2248 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2256 case ICMD_TABLESWITCH: /* ..., index ==> ... */
2259 branch_target_t *table;
2261 table = iptr->dst.table;
2263 l = iptr->sx.s23.s2.tablelow;
2264 i = iptr->sx.s23.s3.tablehigh;
2266 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2268 M_INTMOVE(s1, REG_ITMP1);
2269 else if (l <= 32768)
2270 M_LDA(REG_ITMP1, s1, -l);
2272 ICONST(REG_ITMP2, l);
2273 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2280 M_CMPUI(REG_ITMP1, i - 1);
2281 emit_bgt(cd, table[0].block);
2283 /* build jump table top down and use address of lowest entry */
2288 dseg_add_target(cd, table->block);
2292 /* length of dataseg after last dseg_add_target is used by load */
2294 M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
2295 M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
2296 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2304 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
2307 lookup_target_t *lookup;
2309 lookup = iptr->dst.lookup;
2311 i = iptr->sx.s23.s2.lookupcount;
2313 MCODECHECK((i<<2)+8);
2314 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2317 if ((lookup->value >= -32768) && (lookup->value <= 32767)) {
2318 M_CMPI(s1, lookup->value);
2321 disp = dseg_add_s4(cd, lookup->value);
2322 M_ILD(REG_ITMP2, REG_PV, disp);
2323 M_CMP(s1, REG_ITMP2);
2325 emit_beq(cd, lookup->target.block);
2329 emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2335 case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
2337 bte = iptr->sx.s23.s3.bte;
2341 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2343 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2344 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2345 case ICMD_INVOKEINTERFACE:
2347 REPLACEMENT_POINT_INVOKE(cd, iptr);
2349 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2351 um = iptr->sx.s23.s3.um;
2352 md = um->methodref->parseddesc.md;
2355 lm = iptr->sx.s23.s3.fmiref->p.method;
2357 md = lm->parseddesc;
2361 s3 = md->paramcount;
2363 MCODECHECK((s3 << 1) + 64);
2365 /* copy arguments to registers or stack location */
2367 for (s3 = s3 - 1; s3 >= 0; s3--) {
2368 var = VAR(iptr->sx.s23.s2.args[s3]);
2369 d = md->params[s3].regoff;
2371 /* Already Preallocated? */
2372 if (var->flags & PREALLOC)
2375 if (IS_INT_LNG_TYPE(var->type)) {
2376 if (!md->params[s3].inmemory) {
2377 if (IS_2_WORD_TYPE(var->type)) {
2378 s1 = emit_load(jd, iptr, var, d);
2382 s1 = emit_load(jd, iptr, var, d);
2387 if (IS_2_WORD_TYPE(var->type)) {
2388 s1 = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
2389 M_LST(s1, REG_SP, d);
2392 s1 = emit_load(jd, iptr, var, REG_ITMP1);
2393 M_IST(s1, REG_SP, d);
2398 if (!md->params[s3].inmemory) {
2399 s1 = emit_load(jd, iptr, var, d);
2403 s1 = emit_load(jd, iptr, var, REG_FTMP1);
2404 M_DST(s1, REG_SP, d);
2409 switch (iptr->opc) {
2411 disp = dseg_add_functionptr(cd, bte->fp);
2413 M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
2415 /* generate the actual call */
2419 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2420 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2422 M_LDA(REG_PV, REG_ITMP1, -disp);
2424 emit_exception_check(cd, iptr);
2427 case ICMD_INVOKESPECIAL:
2428 emit_nullpointer_check(cd, iptr, REG_A0);
2431 case ICMD_INVOKESTATIC:
2433 disp = dseg_add_unique_address(cd, um);
2435 patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
2439 disp = dseg_add_address(cd, lm->stubroutine);
2441 M_ALD(REG_PV, REG_PV, disp);
2443 /* generate the actual call */
2447 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2448 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2450 M_LDA(REG_PV, REG_ITMP1, -disp);
2453 case ICMD_INVOKEVIRTUAL:
2455 patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2460 s1 = OFFSET(vftbl_t, table[0]) +
2461 sizeof(methodptr) * lm->vftblindex;
2464 /* implicit null-pointer check */
2465 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2466 M_ALD(REG_PV, REG_METHODPTR, s1);
2468 /* generate the actual call */
2472 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2473 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2475 M_LDA(REG_PV, REG_ITMP1, -disp);
2478 case ICMD_INVOKEINTERFACE:
2480 patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2486 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2487 sizeof(methodptr*) * lm->class->index;
2489 s2 = sizeof(methodptr) * (lm - lm->class->methods);
2492 /* implicit null-pointer check */
2493 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2494 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2495 M_ALD(REG_PV, REG_METHODPTR, s2);
2497 /* generate the actual call */
2501 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2502 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2504 M_LDA(REG_PV, REG_ITMP1, -disp);
2508 /* store return value */
2510 d = md->returntype.type;
2512 if (d != TYPE_VOID) {
2513 if (IS_INT_LNG_TYPE(d)) {
2514 if (IS_2_WORD_TYPE(d)) {
2515 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
2516 M_LNGMOVE(REG_RESULT_PACKED, s1);
2519 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2520 M_INTMOVE(REG_RESULT, s1);
2524 s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2525 M_FLTMOVE(REG_FRESULT, s1);
2527 emit_store_dst(jd, iptr, s1);
2532 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2534 if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2535 /* object type cast-check */
2540 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2545 super = iptr->sx.s23.s3.c.cls;
2546 superindex = super->index;
2549 if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2550 CODEGEN_CRITICAL_SECTION_NEW;
2552 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2554 /* if class is not resolved, check which code to call */
2556 if (super == NULL) {
2558 emit_label_beq(cd, BRANCH_LABEL_1);
2560 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2562 patcher_add_patch_ref(jd,
2563 PATCHER_resolve_classref_to_flags,
2564 iptr->sx.s23.s3.c.ref,
2567 M_ILD(REG_ITMP2, REG_PV, disp);
2568 M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
2569 emit_label_beq(cd, BRANCH_LABEL_2);
2572 /* interface checkcast code */
2574 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2575 if (super == NULL) {
2576 patcher_add_patch_ref(jd,
2577 PATCHER_checkcast_interface,
2578 iptr->sx.s23.s3.c.ref,
2583 emit_label_beq(cd, BRANCH_LABEL_3);
2586 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2587 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
2588 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2589 emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2591 M_ALD(REG_ITMP3, REG_ITMP2,
2592 OFFSET(vftbl_t, interfacetable[0]) -
2593 superindex * sizeof(methodptr*));
2595 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2598 emit_label_br(cd, BRANCH_LABEL_4);
2600 emit_label(cd, BRANCH_LABEL_3);
2603 /* class checkcast code */
2605 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2606 if (super == NULL) {
2607 emit_label(cd, BRANCH_LABEL_2);
2609 disp = dseg_add_unique_address(cd, NULL);
2611 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2612 iptr->sx.s23.s3.c.ref,
2616 disp = dseg_add_address(cd, super->vftbl);
2619 emit_label_beq(cd, BRANCH_LABEL_5);
2622 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2624 CODEGEN_CRITICAL_SECTION_START;
2626 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2627 M_ALD(REG_ITMP2, REG_PV, disp);
2628 if (s1 != REG_ITMP1) {
2629 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
2630 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2632 CODEGEN_CRITICAL_SECTION_END;
2634 M_ISUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
2637 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2638 M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2639 M_ALD(REG_ITMP2, REG_PV, disp);
2640 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2642 CODEGEN_CRITICAL_SECTION_END;
2644 M_CMPU(REG_ITMP3, REG_ITMP2);
2645 emit_classcast_check(cd, iptr, BRANCH_GT, REG_ITMP3, s1);
2648 emit_label(cd, BRANCH_LABEL_5);
2651 if (super == NULL) {
2652 emit_label(cd, BRANCH_LABEL_1);
2653 emit_label(cd, BRANCH_LABEL_4);
2656 d = codegen_reg_of_dst(jd, iptr, s1);
2659 /* array type cast-check */
2661 s1 = emit_load_s1(jd, iptr, REG_A0);
2662 M_INTMOVE(s1, REG_A0);
2664 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2665 disp = dseg_add_unique_address(cd, NULL);
2667 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
2668 iptr->sx.s23.s3.c.ref,
2672 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2674 M_ALD(REG_A1, REG_PV, disp);
2675 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2676 M_ALD(REG_ITMP2, REG_PV, disp);
2680 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2682 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2683 d = codegen_reg_of_dst(jd, iptr, s1);
2686 emit_store_dst(jd, iptr, d);
2689 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
2695 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2700 super = iptr->sx.s23.s3.c.cls;
2701 superindex = super->index;
2704 if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2705 CODEGEN_CRITICAL_SECTION_NEW;
2707 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2709 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2711 M_MOV(s1, REG_ITMP1);
2717 /* if class is not resolved, check which code to call */
2719 if (super == NULL) {
2721 emit_label_beq(cd, BRANCH_LABEL_1);
2723 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2725 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2726 iptr->sx.s23.s3.c.ref, disp);
2728 M_ILD(REG_ITMP3, REG_PV, disp);
2729 M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
2730 emit_label_beq(cd, BRANCH_LABEL_2);
2733 /* interface instanceof code */
2735 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2736 if (super == NULL) {
2737 patcher_add_patch_ref(jd,
2738 PATCHER_instanceof_interface,
2739 iptr->sx.s23.s3.c.ref, 0);
2743 emit_label_beq(cd, BRANCH_LABEL_3);
2746 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2747 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2748 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2750 M_ALD(REG_ITMP1, REG_ITMP1,
2751 OFFSET(vftbl_t, interfacetable[0]) -
2752 superindex * sizeof(methodptr*));
2755 M_IADD_IMM(REG_ZERO, 1, d);
2758 emit_label_br(cd, BRANCH_LABEL_4);
2760 emit_label(cd, BRANCH_LABEL_3);
2763 /* class instanceof code */
2765 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2766 if (super == NULL) {
2767 emit_label(cd, BRANCH_LABEL_2);
2769 disp = dseg_add_unique_address(cd, NULL);
2771 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2772 iptr->sx.s23.s3.c.ref,
2776 disp = dseg_add_address(cd, super->vftbl);
2779 emit_label_beq(cd, BRANCH_LABEL_5);
2782 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2783 M_ALD(REG_ITMP2, REG_PV, disp);
2785 CODEGEN_CRITICAL_SECTION_START;
2787 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2788 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2789 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2791 CODEGEN_CRITICAL_SECTION_END;
2793 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2794 M_CMPU(REG_ITMP1, REG_ITMP2);
2797 M_IADD_IMM(REG_ZERO, 1, d);
2800 emit_label(cd, BRANCH_LABEL_5);
2803 if (super == NULL) {
2804 emit_label(cd, BRANCH_LABEL_1);
2805 emit_label(cd, BRANCH_LABEL_4);
2808 emit_store_dst(jd, iptr, d);
2812 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
2814 /* check for negative sizes and copy sizes to stack if necessary */
2816 MCODECHECK((iptr->s1.argcount << 1) + 64);
2818 for (s1 = iptr->s1.argcount; --s1 >= 0;) {
2819 var = VAR(iptr->sx.s23.s2.args[s1]);
2821 /* copy SAVEDVAR sizes to stack */
2823 /* Already Preallocated? */
2824 if (!(var->flags & PREALLOC)) {
2825 s2 = emit_load(jd, iptr, var, REG_ITMP1);
2826 #if defined(__DARWIN__)
2827 M_IST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 4);
2829 M_IST(s2, REG_SP, LA_SIZE + (s1 + 3) * 4);
2834 /* a0 = dimension count */
2836 ICONST(REG_A0, iptr->s1.argcount);
2838 /* is patcher function set? */
2840 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2841 disp = dseg_add_unique_address(cd, NULL);
2843 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
2844 iptr->sx.s23.s3.c.ref, disp);
2847 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2849 /* a1 = arraydescriptor */
2851 M_ALD(REG_A1, REG_PV, disp);
2853 /* a2 = pointer to dimensions = stack pointer */
2855 #if defined(__DARWIN__)
2856 M_LDA(REG_A2, REG_SP, LA_SIZE + INT_ARG_CNT * 4);
2858 M_LDA(REG_A2, REG_SP, LA_SIZE + 3 * 4);
2861 disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
2862 M_ALD(REG_ITMP3, REG_PV, disp);
2866 /* check for exception before result assignment */
2868 emit_exception_check(cd, iptr);
2870 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2871 M_INTMOVE(REG_RESULT, d);
2872 emit_store_dst(jd, iptr, d);
2876 exceptions_throw_internalerror("Unknown ICMD %d during code generation",
2881 } /* for instruction */
2883 } /* if (bptr -> flags >= BBREACHED) */
2884 } /* for basic block */
2886 dseg_createlinenumbertable(cd);
2888 /* generate traps */
2890 emit_patcher_traps(jd);
2892 /* everything's ok */
2898 /* codegen_emit_stub_compiler **************************************************
2900 Emits a stub routine which calls the compiler.
2902 *******************************************************************************/
2904 void codegen_emit_stub_compiler(jitdata *jd)
2909 /* get required compiler data */
2914 /* code for the stub */
2916 M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);
2917 M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);
2923 /* codegen_emit_stub_native ****************************************************
2925 Emits a stub routine which calls a native method.
2927 *******************************************************************************/
2929 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
2936 s4 i, j; /* count variables */
2941 /* get required compiler data */
2947 /* set some variables */
2950 nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
2952 /* calculate stackframe size */
2954 cd->stackframesize =
2955 sizeof(stackframeinfo) / SIZEOF_VOID_P +
2956 sizeof(localref_table) / SIZEOF_VOID_P +
2957 4 + /* 4 stackframeinfo arguments (darwin)*/
2958 nmd->paramcount * 2 + /* assume all arguments are doubles */
2961 /* keep stack 16-byte aligned */
2963 cd->stackframesize = (cd->stackframesize + 3) & ~3;
2965 /* create method header */
2967 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
2968 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
2969 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
2970 (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
2971 (void) dseg_add_unique_s4(cd, 0); /* IntSave */
2972 (void) dseg_add_unique_s4(cd, 0); /* FltSave */
2973 (void) dseg_addlinenumbertablesize(cd);
2974 (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
2979 M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
2980 M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
2982 /* get function address (this must happen before the stackframeinfo) */
2984 funcdisp = dseg_add_functionptr(cd, f);
2986 #if !defined(WITH_STATIC_CLASSPATH)
2988 patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
2991 /* emit trace code */
2993 emit_verbosecall_enter(jd);
2995 /* save integer and float argument registers */
2997 for (i = 0; i < md->paramcount; i++) {
2998 if (!md->params[i].inmemory) {
2999 s1 = md->params[i].regoff;
3001 switch (md->paramtypes[i].type) {
3004 M_IST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3007 M_LST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3011 M_DST(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3017 /* create native stack info */
3019 M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A0);
3020 M_MOV(REG_PV, REG_A1);
3021 M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A2);
3022 M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
3023 disp = dseg_add_functionptr(cd, codegen_start_native_call);
3024 M_ALD(REG_ITMP1, REG_PV, disp);
3028 /* restore integer and float argument registers */
3030 for (i = 0; i < md->paramcount; i++) {
3031 if (!md->params[i].inmemory) {
3032 s1 = md->params[i].regoff;
3034 switch (md->paramtypes[i].type) {
3037 M_ILD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3040 M_LLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3044 M_DLD(s1, REG_SP, LA_SIZE + 4*4 + i * 8);
3050 /* copy or spill arguments to new locations */
3052 for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
3053 t = md->paramtypes[i].type;
3055 if (IS_INT_LNG_TYPE(t)) {
3056 if (!md->params[i].inmemory) {
3057 s1 = md->params[i].regoff;
3058 s2 = nmd->params[j].regoff;
3060 if (!nmd->params[j].inmemory) {
3061 if (IS_2_WORD_TYPE(t))
3067 if (IS_2_WORD_TYPE(t))
3068 M_LST(s1, REG_SP, s2);
3070 M_IST(s1, REG_SP, s2);
3074 s1 = md->params[i].regoff + cd->stackframesize * 8;
3075 s2 = nmd->params[j].regoff;
3077 M_ILD(REG_ITMP1, REG_SP, s1);
3078 if (IS_2_WORD_TYPE(t))
3079 M_ILD(REG_ITMP2, REG_SP, s1 + 4);
3081 M_IST(REG_ITMP1, REG_SP, s2);
3082 if (IS_2_WORD_TYPE(t))
3083 M_IST(REG_ITMP2, REG_SP, s2 + 4);
3087 /* We only copy spilled float arguments, as the float
3088 argument registers keep unchanged. */
3090 if (md->params[i].inmemory) {
3091 s1 = md->params[i].regoff + cd->stackframesize * 8;
3092 s2 = nmd->params[j].regoff;
3094 M_DLD(REG_FTMP1, REG_SP, s1);
3096 if (IS_2_WORD_TYPE(t))
3097 M_DST(REG_FTMP1, REG_SP, s2);
3099 M_FST(REG_FTMP1, REG_SP, s2);
3104 /* put class into second argument register */
3106 if (m->flags & ACC_STATIC) {
3107 disp = dseg_add_address(cd, m->class);
3108 M_ALD(REG_A1, REG_PV, disp);
3111 /* put env into first argument register */
3113 disp = dseg_add_address(cd, _Jv_env);
3114 M_ALD(REG_A0, REG_PV, disp);
3116 /* generate the actual native call */
3118 M_ALD(REG_ITMP3, REG_PV, funcdisp);
3122 /* print call trace */
3124 emit_verbosecall_exit(jd);
3126 /* save return value */
3128 switch (md->returntype.type) {
3131 M_IST(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
3134 M_LST(REG_RESULT_PACKED, REG_SP, LA_SIZE + 1 * 8);
3138 M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
3144 /* remove native stackframe info */
3146 M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A0);
3147 disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3148 M_ALD(REG_ITMP1, REG_PV, disp);
3151 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3153 /* restore return value */
3155 switch (md->returntype.type) {
3158 M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
3161 M_LLD(REG_RESULT_PACKED, REG_SP, LA_SIZE + 1 * 8);
3165 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
3171 M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
3172 M_MTLR(REG_ITMP2_XPC);
3173 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* remove stackframe */
3175 /* check for exception */
3177 M_TST(REG_ITMP1_XPTR);
3178 M_BNE(1); /* if no exception then return */
3182 /* handle exception */
3184 M_IADD_IMM(REG_ITMP2_XPC, -4, REG_ITMP2_XPC); /* exception address */
3186 disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3187 M_ALD(REG_ITMP3, REG_PV, disp);
3191 /* generate patcher traps */
3193 emit_patcher_traps(jd);
3198 * These are local overrides for various environment variables in Emacs.
3199 * Please do not remove this and leave it at the end of the file, where
3200 * Emacs will automagically detect them.
3201 * ---------------------------------------------------------------------
3204 * indent-tabs-mode: t
3208 * vim:noexpandtab:sw=4:ts=4: