1 /* src/vm/jit/powerpc64/codegen.c - machine code generator for 64-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 7596 2007-03-28 21:05:53Z twisti $
40 #include "vm/jit/powerpc64/arch.h"
41 #include "vm/jit/powerpc64/codegen.h"
43 #include "mm/memory.h"
45 #include "native/native.h"
47 #include "vm/builtin.h"
48 #include "vm/exceptions.h"
49 #include "vm/global.h"
50 #include "vm/stringlocal.h"
53 #include "vm/jit/abi-asm.h"
54 #include "vm/jit/md.h"
55 #include "vm/jit/asmpart.h"
56 #include "vm/jit/codegen-common.h"
57 #include "vm/jit/dseg.h"
58 #include "vm/jit/emit-common.h"
59 #include "vm/jit/jit.h"
60 #include "vm/jit/parse.h"
61 #include "vm/jit/patcher.h"
62 #include "vm/jit/reg.h"
63 #include "vm/jit/replace.h"
64 #include "vm/jit/stacktrace.h"
66 #include "vmcore/loader.h"
67 #include "vmcore/options.h"
69 #if defined(ENABLE_LSRA)
70 # include "vm/jit/allocator/lsra.h"
73 #if defined(ENABLE_THREADS)
74 # include "threads/native/lock.h"
78 /* codegen_emit ****************************************************************
80 Generates machine code.
82 *******************************************************************************/
84 bool codegen_emit(jitdata *jd)
90 s4 len, s1, s2, s3, d, disp;
97 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
98 unresolved_method *um;
99 builtintable_entry *bte;
103 unresolved_field *uf;
106 /* get required compiler data */
113 /* prevent compiler warnings */
125 /* space to save used callee saved registers */
127 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
128 savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
130 cd->stackframesize = rd->memuse + savedregs_num;
132 #if defined(ENABLE_THREADS)
133 /* space to save argument of monitor_enter and Return Values to survive */
134 /* monitor_exit. The stack position for the argument can not be shared */
135 /* with place to save the return register on PPC64, since both values */
137 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
138 /* reserve 2 slots for long/double return values for monitorexit */
139 cd->stackframesize += 2;
144 /* create method header */
146 /* align stack to 16-bytes */
149 /* if (!m->isleafmethod || opt_verbosecall) */
150 /* stackframesize = (stackframesize + 3) & ~3;
152 /* else if (m->isleafmethod && (stackframesize == LA_WORD_SIZE)) */
153 /* stackframesize = 0; */
155 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
156 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
158 #if defined(ENABLE_THREADS)
159 /* IsSync contains the offset relative to the stack pointer for the
160 argument of monitor_exit used in the exception handler. Since the
161 offset could be zero and give a wrong meaning of the flag it is
165 if (checksync && (m->flags & ACC_SYNCHRONIZED))
166 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
169 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
171 (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
172 (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
173 (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
175 dseg_addlinenumbertablesize(cd);
177 (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
179 /* create exception table */
181 for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
182 dseg_add_target(cd, ex->start);
183 dseg_add_target(cd, ex->end);
184 dseg_add_target(cd, ex->handler);
185 (void) dseg_add_unique_address(cd, ex->catchtype.any);
188 /* create stack frame (if necessary) */
190 if (!jd->isleafmethod) {
192 M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
195 if (cd->stackframesize)
196 M_STDU(REG_SP, REG_SP, -cd->stackframesize * 8);
198 /* save return address and used callee saved registers */
200 p = cd->stackframesize;
201 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
202 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
204 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
205 p --; M_DST(rd->savfltregs[i], REG_SP, p * 8);
208 /* take arguments out of register or stack frame */
212 for (p = 0, l = 0; p < md->paramcount; p++) {
213 t = md->paramtypes[p].type;
214 varindex = jd->local_map[l*5 + t];
216 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
218 if (varindex == UNUSED)
221 s1 = md->params[p].regoff;
222 if (IS_INT_LNG_TYPE(t)) { /* integer args */
223 if (!md->params[p].inmemory) { /* register arguments */
224 s2 = rd->argintregs[s1];
225 if (!IS_INMEMORY(var->flags)) {
226 M_INTMOVE(s2, var->vv.regoff);
227 } else { /* reg arg -> spilled */
228 M_LST(s2, REG_SP, var->vv.regoff * 8);
230 } else { /* stack arguments */
231 if (!IS_INMEMORY(var->flags)) { /* stack arg -> register */
232 M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8);
234 } else { /* stack arg -> spilled */
235 var->vv.regoff = cd->stackframesize + s1;
239 } else { /* floating args */
240 if (!md->params[p].inmemory) { /* register arguments */
241 s2 = rd->argfltregs[s1];
242 if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
243 M_FLTMOVE(s2, var->vv.regoff);
244 } else { /* reg arg -> spilled */
245 M_DST(s2, REG_SP, var->vv.regoff * 8);
248 } else { /* stack arguments */
249 if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
250 if (IS_2_WORD_TYPE(t)) {
251 M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8);
253 M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8);
255 } else { /* stack-arg -> spilled */
256 var->vv.regoff = cd->stackframesize + s1;
262 /* save monitorenter argument */
264 #if defined(ENABLE_THREADS)
266 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
268 /* stackoffset for argument used for LOCK_monitor_exit */
270 #if !defined (NDEBUG)
271 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
272 M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
274 for (p = 0; p < INT_ARG_CNT; p++)
275 M_LST(rd->argintregs[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
277 for (p = 0; p < FLT_ARG_CNT; p++)
278 M_DST(rd->argfltregs[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
280 /* used for LOCK_monitor_exit, adopt size because we created another stackframe */
281 s1 += (LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT);
284 p = dseg_add_functionptr(cd, LOCK_monitor_enter);
285 M_ALD(REG_ITMP3, REG_PV, p);
286 M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
289 /* get or test the lock object */
291 if (m->flags & ACC_STATIC) {
292 p = dseg_add_address(cd, &m->class->object.header);
293 M_ALD(rd->argintregs[0], REG_PV, p);
296 M_TST(rd->argintregs[0]);
298 M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
301 M_AST(rd->argintregs[0], REG_SP, s1 * 8); /* rd->memuse * 8 */
303 #if !defined (NDEBUG)
304 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
305 for (p = 0; p < INT_ARG_CNT; p++)
306 M_LLD(rd->argintregs[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
308 for (p = 0; p < FLT_ARG_CNT; p++)
309 M_DLD(rd->argfltregs[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
311 M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
317 /* call trace function */
318 #if !defined (NDEBUG)
319 if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
320 emit_verbosecall_enter(jd);
325 /* end of header generation */
327 /* create replacement points */
329 REPLACEMENT_POINTS_INIT(cd, jd);
331 /* walk through all basic blocks */
333 for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
335 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
337 if (bptr->flags >= BBREACHED) {
339 /* branch resolving */
340 codegen_resolve_branchrefs(cd, bptr);
342 /* handle replacement points */
344 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
346 /* copy interface registers to their destination */
351 #if defined(ENABLE_LSRA)
355 var = VAR(bptr->invars[len]);
356 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
357 /* d = reg_of_var(m, var, REG_ITMP1); */
358 if (!(var->flags & INMEMORY))
362 M_INTMOVE(REG_ITMP1, d);
363 emit_store(jd, NULL, var, d);
370 var = VAR(bptr->invars[len]);
371 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
372 d = codegen_reg_of_var(0, var, REG_ITMP1);
373 M_INTMOVE(REG_ITMP1, d);
374 emit_store(jd, NULL, var, d);
377 assert((var->flags & INOUT));
381 #if defined(ENABLE_LSRA)
384 /* walk through all instructions */
389 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
390 bool sign_ext = false;
391 if (iptr->line != currentline) {
392 dseg_addlinenumber(cd, iptr->line);
393 currentline = iptr->line;
396 MCODECHECK(64); /* an instruction usually needs < 64 words */
399 case ICMD_NOP: /* ... ==> ... */
400 case ICMD_POP: /* ..., value ==> ... */
401 case ICMD_POP2: /* ..., value, value ==> ... */
404 case ICMD_INLINE_START:
406 REPLACEMENT_POINT_INLINE_START(cd, iptr);
409 case ICMD_INLINE_BODY:
411 REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
412 dseg_addlinenumber_inline_start(cd, iptr);
413 dseg_addlinenumber(cd, iptr->line);
416 case ICMD_INLINE_END:
418 dseg_addlinenumber_inline_end(cd, iptr);
419 dseg_addlinenumber(cd, iptr->line);
422 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
424 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
427 emit_nullpointer_check(cd, iptr, s1);
430 /* constant operations ************************************************/
432 case ICMD_ICONST: /* ... ==> ..., constant */
434 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
435 ICONST(d, iptr->sx.val.i);
436 emit_store_dst(jd, iptr, d);
439 case ICMD_LCONST: /* ... ==> ..., constant */
441 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
442 LCONST(d, iptr->sx.val.l);
443 emit_store_dst(jd, iptr, d);
446 case ICMD_FCONST: /* ... ==> ..., constant */
448 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
449 a = dseg_add_float(cd, iptr->sx.val.f);
451 emit_store_dst(jd, iptr, d);
454 case ICMD_DCONST: /* ... ==> ..., constant */
456 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
457 a = dseg_add_double(cd, iptr->sx.val.d);
459 emit_store_dst(jd, iptr, d);
462 case ICMD_ACONST: /* ... ==> ..., constant */
464 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
466 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
467 disp = dseg_add_unique_address(cd, iptr->sx.val.c.ref);
468 codegen_addpatchref(cd, PATCHER_aconst,
472 disp = dseg_add_address(cd, iptr->sx.val.anyptr);
474 M_ALD(d, REG_PV, disp);
475 emit_store_dst(jd, iptr, d);
479 /* load/store/copy/move operations ************************************/
481 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
482 case ICMD_ALOAD: /* s1.localindex = local variable */
484 case ICMD_FLOAD: /* ... ==> ..., content of local variable */
485 case ICMD_DLOAD: /* ... ==> ..., content of local variable */
486 case ICMD_ISTORE: /* ..., value ==> ... */
488 case ICMD_FSTORE: /* ..., value ==> ... */
489 case ICMD_DSTORE: /* ..., value ==> ... */
493 emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
497 if (!(iptr->flags.bits & INS_FLAG_RETADDR))
498 emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
502 /* integer operations *************************************************/
504 case ICMD_INEG: /* ..., value ==> ..., - value */
507 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
508 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
510 if (sign_ext) M_EXTSW(d, d);
511 emit_store_dst(jd, iptr, d);
515 case ICMD_I2L: /* ..., value ==> ..., value */
517 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
518 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
520 emit_store_dst(jd, iptr, d);
523 case ICMD_L2I: /* ..., value ==> ..., value */
525 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
526 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
528 emit_store_dst(jd, iptr, d);
531 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
533 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
534 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
536 emit_store_dst(jd, iptr, d);
539 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
541 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
542 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
544 emit_store_dst(jd, iptr, d);
547 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
549 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
550 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
552 emit_store_dst(jd, iptr, d);
556 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
558 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
559 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
560 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
563 emit_store_dst(jd, iptr, d);
569 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
570 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
571 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767)) {
572 M_IADD_IMM(s1, iptr->sx.val.i, d);
574 ICONST(REG_ITMP2, iptr->sx.val.i);
575 M_IADD(s1, REG_ITMP2, d);
578 emit_store_dst(jd, iptr, d);
581 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
583 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
584 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
585 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
587 emit_store_dst(jd, iptr, d);
590 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
591 /* sx.val.l = constant */
593 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
594 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
596 if ((iptr->sx.val.l >= -32768) && (iptr->sx.val.l <= 32767)) {
597 M_LADD_IMM(s1, iptr->sx.val.l, d);
599 LCONST(REG_ITMP2, iptr->sx.val.l);
600 M_LADD(s1, REG_ITMP2, d);
602 emit_store_dst(jd, iptr, d);
605 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
607 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
608 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
609 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
611 emit_store_dst(jd, iptr, d);
614 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
615 /* sx.val.i = constant */
617 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
618 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
619 if ((iptr->sx.val.i >= -32767) && (iptr->sx.val.i <= 32768)) {
620 M_IADD_IMM(s1, -iptr->sx.val.i, d);
622 ICONST(REG_ITMP2, iptr->sx.val.i);
623 M_SUB(s1, REG_ITMP2, d);
626 emit_store_dst(jd, iptr, d);
629 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
631 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
632 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
633 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
635 emit_store_dst(jd, iptr, d);
638 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
639 /* sx.val.l = constant */
641 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
642 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
644 if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l <= 32767)) {
645 M_LADD_IMM(s1, -iptr->sx.val.l, d);
647 LCONST(REG_ITMP2, iptr->sx.val.l);
648 M_SUB(s1, REG_ITMP2, d);
650 emit_store_dst(jd, iptr, d);
655 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
657 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
658 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
659 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
660 emit_arithmetic_check(cd, iptr, s2);
663 /* we need to test if divident was 0x8000000000000, bit OV is set in XER in this case */
664 /* we only need to check this if we did a LDIV, not for IDIV */
667 M_ANDIS(REG_ITMP2, 0x4000, REG_ITMP2); /* test OV */
669 M_MOV(s1, d); /* java specs says result == dividend */
671 if (sign_ext) M_EXTSW(d, d);
672 emit_store_dst(jd, iptr, d);
677 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
678 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
679 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
680 emit_arithmetic_check(cd, iptr, s2);
682 M_DIV(s1, s2, REG_ITMP3);
683 /* we need to test if divident was 0x8000000000000, bit OV is set in XER in this case */
684 /* we only need to check this if we did a LDIV, not for IDIV */
687 M_ANDIS(REG_ITMP2, 0x4000, REG_ITMP2); /* test OV */
689 LCONST(REG_ITMP3, 0); /* result == 0 in this case */
692 M_MUL(REG_ITMP3, s2, REG_ITMP2);
693 M_SUB(s1, REG_ITMP2, REG_ITMP3);
694 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
697 emit_store_dst(jd, iptr, REG_ITMP1);
701 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
704 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
705 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
706 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
708 if (sign_ext) M_EXTSW(d, d);
709 emit_store_dst(jd, iptr, d);
712 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
713 /* sx.val.i = constant */
715 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
716 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
717 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
718 M_MUL_IMM(s1, iptr->sx.val.i, d);
720 ICONST(REG_ITMP3, iptr->sx.val.i);
721 M_MUL(s1, REG_ITMP3, d);
724 emit_store_dst(jd, iptr, d);
727 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
728 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
729 if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l <= 32767))
730 M_MUL_IMM(s1, iptr->sx.val.l, d);
732 LCONST(REG_ITMP3, iptr->sx.val.l);
733 M_MUL(s1, REG_ITMP3, d);
735 emit_store_dst(jd, iptr, d);
738 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
740 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
741 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
742 M_SRA_IMM(s1, iptr->sx.val.i, d);
744 emit_store_dst(jd, iptr, d);
747 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
749 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
750 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
751 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
752 M_AND_IMM(s2, 0x1f, REG_ITMP3);
753 M_SLL(s1, REG_ITMP3, d);
755 emit_store_dst(jd, iptr, d);
758 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
759 /* sx.val.i = constant */
761 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
762 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
763 M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
765 emit_store_dst(jd, iptr, d);
768 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
770 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
771 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
772 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
773 M_AND_IMM(s2, 0x1f, REG_ITMP3);
774 M_SRA(s1, REG_ITMP3, d);
775 emit_store_dst(jd, iptr, d);
778 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
779 /* sx.val.i = constant */
781 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
782 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
783 M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
784 emit_store_dst(jd, iptr, d);
787 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
789 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
790 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
791 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
792 M_AND_IMM(s2, 0x1f, REG_ITMP2);
793 M_SRL(s1, REG_ITMP2, d);
794 emit_store_dst(jd, iptr, d);
797 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
798 /* sx.val.i = constant */
800 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
801 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
802 if (iptr->sx.val.i & 0x1f) {
803 M_SRL_IMM(s1, iptr->sx.val.i & 0x1f, d);
807 emit_store_dst(jd, iptr, d);
810 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
813 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
814 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
815 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
817 emit_store_dst(jd, iptr, d);
820 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
821 /* sx.val.i = constant */
823 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
824 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
825 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535)) {
826 M_AND_IMM(s1, iptr->sx.val.i, d);
829 else if (iptr->sx.val.i == 0xffffff) {
830 M_RLWINM(s1, 0, 8, 31, d);
834 ICONST(REG_ITMP3, iptr->sx.val.i);
835 M_AND(s1, REG_ITMP3, d);
837 emit_store_dst(jd, iptr, d);
840 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
841 /* sx.val.l = constant */
843 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
844 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
845 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 65535))
846 M_AND_IMM(s1, iptr->sx.val.l, d);
848 else if (iptr->sx.val.l == 0xffffff) {
849 M_RLWINM(s1, 0, 8, 31, d);
853 LCONST(REG_ITMP3, iptr->sx.val.l);
854 M_AND(s1, REG_ITMP3, d);
856 emit_store_dst(jd, iptr, d);
859 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
860 /* sx.val.i = constant */
861 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
862 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
863 M_MOV(s1, REG_ITMP2);
865 M_BGE(1 + 2*(iptr->sx.val.i >= 32768));
866 if (iptr->sx.val.i >= 32768) {
867 M_ADDIS(REG_ZERO, iptr->sx.val.i >> 16, REG_ITMP2);
868 M_OR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
869 M_IADD(s1, REG_ITMP2, REG_ITMP2);
871 M_IADD_IMM(s1, iptr->sx.val.i, REG_ITMP2);
874 int b=0, m = iptr->sx.val.i;
877 M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
879 M_SUB(s1, REG_ITMP2, d);
881 emit_store_dst(jd, iptr, d);
884 case ICMD_IOR: /* ..., 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_ITMP3);
891 emit_store_dst(jd, iptr, d);
894 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
895 /* sx.val.i = constant */
897 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
898 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
899 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
900 M_OR_IMM(s1, iptr->sx.val.i, d);
902 ICONST(REG_ITMP3, iptr->sx.val.i);
903 M_OR(s1, REG_ITMP3, d);
905 emit_store_dst(jd, iptr, d);
908 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
909 /* sx.val.l = constant */
911 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
912 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
913 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 65535))
914 M_OR_IMM(s1, iptr->sx.val.l, d);
916 LCONST(REG_ITMP3, iptr->sx.val.l);
917 M_OR(s1, REG_ITMP3, d);
919 emit_store_dst(jd, iptr, d);
923 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
926 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
927 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
928 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
930 emit_store_dst(jd, iptr, d);
933 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
934 /* sx.val.i = constant */
936 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
937 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
938 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
939 M_XOR_IMM(s1, iptr->sx.val.i, d);
941 ICONST(REG_ITMP3, iptr->sx.val.i);
942 M_XOR(s1, REG_ITMP3, d);
944 emit_store_dst(jd, iptr, d);
947 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
948 /* sx.val.l = constant */
950 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
951 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
952 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 65535))
953 M_XOR_IMM(s1, iptr->sx.val.l, d);
955 LCONST(REG_ITMP3, iptr->sx.val.l);
956 M_XOR(s1, REG_ITMP3, d);
958 emit_store_dst(jd, iptr, d);
961 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
963 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
964 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
965 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
966 /* XXX implement me!!! */
967 vm_abort("codegen: implement ICMD_LCMP!");
968 emit_store_dst(jd, iptr, d);
973 /* floating operations ************************************************/
975 case ICMD_FNEG: /* ..., value ==> ..., - value */
977 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
978 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
980 emit_store_dst(jd, iptr, d);
983 case ICMD_DNEG: /* ..., value ==> ..., - value */
985 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
986 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
988 emit_store_dst(jd, iptr, d);
991 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
993 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
994 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
995 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
997 emit_store_dst(jd, iptr, d);
1000 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1002 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1003 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1004 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1006 emit_store_dst(jd, iptr, d);
1009 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1011 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1012 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1013 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1015 emit_store_dst(jd, iptr, d);
1018 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1020 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1021 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1022 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1024 emit_store_dst(jd, iptr, d);
1027 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1029 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1030 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1031 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1033 emit_store_dst(jd, iptr, d);
1036 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1038 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1039 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1040 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1042 emit_store_dst(jd, iptr, d);
1045 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1047 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1048 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1049 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1051 emit_store_dst(jd, iptr, d);
1054 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1056 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1057 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1058 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1060 emit_store_dst(jd, iptr, d);
1063 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1066 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1067 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1069 disp = dseg_add_float(cd, 0.0);
1070 M_FLD(REG_FTMP2, REG_PV, disp);
1071 M_FCMPU(s1, REG_FTMP2);
1073 disp = dseg_add_unique_s4(cd, 0);
1074 M_CVTDL_C(s1, REG_FTMP1);
1075 M_LDA(REG_ITMP1, REG_PV, disp);
1076 M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
1077 M_ILD(d, REG_PV, disp);
1078 emit_store_dst(jd, iptr, d);
1081 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1083 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1084 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1086 emit_store_dst(jd, iptr, d);
1089 case ICMD_D2F: /* ..., value ==> ..., (double) value */
1091 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1092 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1094 emit_store_dst(jd, iptr, d);
1097 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1098 case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
1101 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1102 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1103 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1105 M_IADD_IMM(REG_ZERO, -1, d);
1108 M_IADD_IMM(REG_ZERO, 0, d);
1110 M_IADD_IMM(REG_ZERO, 1, d);
1111 emit_store_dst(jd, iptr, d);
1114 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1115 case ICMD_DCMPG: /* == => 0, < => 1, > => -1 */
1117 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1118 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1119 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
1121 M_IADD_IMM(REG_ZERO, 1, d);
1124 M_IADD_IMM(REG_ZERO, 0, d);
1126 M_IADD_IMM(REG_ZERO, -1, d);
1127 emit_store_dst(jd, iptr, d);
1130 case ICMD_IF_FCMPEQ: /* ..., value, value ==> ... */
1131 case ICMD_IF_DCMPEQ:
1133 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1134 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1137 emit_beq(cd, iptr->dst.block);
1140 case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
1141 case ICMD_IF_DCMPNE:
1143 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1144 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1146 emit_bnan(cd, iptr->dst.block);
1147 emit_bne(cd, iptr->dst.block);
1151 case ICMD_IF_FCMPL_LT: /* ..., value, value ==> ... */
1152 case ICMD_IF_DCMPL_LT:
1154 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1155 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1157 emit_bnan(cd, iptr->dst.block);
1158 emit_blt(cd, iptr->dst.block);
1161 case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
1162 case ICMD_IF_DCMPL_GT:
1164 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1165 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1168 emit_bgt(cd, iptr->dst.block);
1171 case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
1172 case ICMD_IF_DCMPL_LE:
1174 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1175 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1177 emit_bnan(cd, iptr->dst.block);
1178 emit_ble(cd, iptr->dst.block);
1181 case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
1182 case ICMD_IF_DCMPL_GE:
1184 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1185 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1188 emit_bge(cd, iptr->dst.block);
1191 case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
1192 case ICMD_IF_DCMPG_LT:
1194 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1195 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1198 emit_blt(cd, iptr->dst.block);
1201 case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
1202 case ICMD_IF_DCMPG_GT:
1204 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1205 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1207 emit_bnan(cd, iptr->dst.block);
1208 emit_bgt(cd, iptr->dst.block);
1211 case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
1212 case ICMD_IF_DCMPG_LE:
1214 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1215 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1218 emit_ble(cd, iptr->dst.block);
1221 case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
1222 case ICMD_IF_DCMPG_GE:
1224 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1225 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1227 emit_bnan(cd, iptr->dst.block);
1228 emit_bge(cd, iptr->dst.block);
1232 /* memory operations **************************************************/
1234 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1236 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1237 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1238 emit_nullpointer_check(cd, iptr, s1);
1239 M_ILD(d, s1, OFFSET(java_arrayheader, size));
1240 emit_store_dst(jd, iptr, d);
1243 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1245 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1246 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1247 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1248 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1249 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1250 /* implicit null-pointer check */
1251 M_LBZX(d, s1, REG_ITMP2);
1253 emit_store_dst(jd, iptr, d);
1256 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1258 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1259 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1260 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1261 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1262 M_SLL_IMM(s2, 1, REG_ITMP2);
1263 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1264 /* implicit null-pointer check */
1265 M_LHZX(d, s1, REG_ITMP2);
1266 emit_store_dst(jd, iptr, d);
1269 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1271 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1272 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1273 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1274 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1275 M_SLL_IMM(s2, 1, REG_ITMP2);
1276 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1277 /* implicit null-pointer check */
1278 M_LHAX(d, s1, REG_ITMP2);
1279 emit_store_dst(jd, iptr, d);
1282 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1284 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1285 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1286 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1287 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1288 M_SLL_IMM(s2, 2, REG_ITMP2);
1289 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1290 /* implicit null-pointer check */
1291 M_LWAX(d, s1, REG_ITMP2);
1292 emit_store_dst(jd, iptr, d);
1295 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1297 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1298 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1299 d = codegen_reg_of_dst(jd, iptr, PACK_REGS(REG_ITMP2, REG_ITMP1));
1300 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1301 M_SLL_IMM(s2, 3, REG_ITMP2);
1302 M_IADD(s1, REG_ITMP2, REG_ITMP2);
1303 /* implicit null-pointer check */
1304 M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
1305 emit_store_dst(jd, iptr, d);
1308 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1310 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1311 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1312 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1313 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1314 M_SLL_IMM(s2, 2, REG_ITMP2);
1315 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1316 /* implicit null-pointer check */
1317 M_LFSX(d, s1, REG_ITMP2);
1318 emit_store_dst(jd, iptr, d);
1321 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1323 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1324 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1325 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1326 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1327 M_SLL_IMM(s2, 3, REG_ITMP2);
1328 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1329 /* implicit null-pointer check */
1330 M_LFDX(d, s1, REG_ITMP2);
1331 emit_store_dst(jd, iptr, d);
1334 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1336 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1337 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1338 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1339 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1340 M_SLL_IMM(s2, 3, REG_ITMP2);
1341 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1342 /* implicit null-pointer check */
1343 M_ALDX(d, s1, REG_ITMP2);
1344 emit_store_dst(jd, iptr, d);
1348 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1350 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1351 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1352 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1353 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1354 M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
1355 /* implicit null-pointer check */
1356 M_STBX(s3, s1, REG_ITMP2);
1359 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1361 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1362 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1363 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1364 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1365 M_SLL_IMM(s2, 1, REG_ITMP2);
1366 M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
1367 /* implicit null-pointer check */
1368 M_STHX(s3, s1, REG_ITMP2);
1371 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1373 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1374 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1375 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1376 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1377 M_SLL_IMM(s2, 1, REG_ITMP2);
1378 M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
1379 M_STHX(s3, s1, REG_ITMP2);
1382 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1384 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1385 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1386 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1387 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1388 M_SLL_IMM(s2, 2, REG_ITMP2);
1389 M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
1390 /* implicit null-pointer check */
1391 M_STWX(s3, s1, REG_ITMP2);
1394 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1396 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1397 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1398 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1399 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1400 M_SLL_IMM(s2, 3, REG_ITMP2);
1401 M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
1402 /* implicit null-pointer check */
1403 M_LSTX(s3, s1, REG_ITMP2);
1406 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1408 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1409 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1410 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1411 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1412 M_SLL_IMM(s2, 2, REG_ITMP2);
1413 M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
1414 /* implicit null-pointer check */
1415 M_STFSX(s3, s1, REG_ITMP2);
1418 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1420 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1421 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1422 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1423 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1424 M_SLL_IMM(s2, 3, REG_ITMP2);
1425 M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
1426 /* implicit null-pointer check */
1427 M_STFDX(s3, s1, REG_ITMP2);
1430 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1432 s1 = emit_load_s1(jd, iptr, REG_A0);
1433 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1434 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1435 s3 = emit_load_s3(jd, iptr, REG_A1);
1437 disp = dseg_add_functionptr(cd, BUILTIN_canstore);
1438 M_ALD(REG_ITMP3, REG_PV, disp);
1439 M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
1442 M_INTMOVE(s1, REG_A0);
1443 M_INTMOVE(s3, REG_A1);
1446 emit_exception_check(cd, iptr);
1448 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1449 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1450 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1451 M_SLL_IMM(s2, 3, REG_ITMP2);
1452 M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
1453 /* implicit null-pointer check */
1454 M_ASTX(s3, s1, REG_ITMP2);
1458 case ICMD_GETSTATIC: /* ... ==> ..., value */
1460 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1461 uf = iptr->sx.s23.s3.uf;
1463 fieldtype = uf->fieldref->parseddesc.fd->type;
1464 disp = dseg_add_unique_address(cd, NULL);
1466 codegen_addpatchref(cd, PATCHER_get_putstatic,
1467 iptr->sx.s23.s3.uf, disp);
1470 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
1472 fieldtype = fi->type;
1473 disp = dseg_add_address(cd, &(fi->value));
1475 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1476 codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
1480 M_ALD(REG_ITMP1, REG_PV, disp);
1481 switch (fieldtype) {
1483 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1484 M_ILD_INTERN(d, REG_ITMP1, 0);
1487 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1488 M_LLD(d, REG_ITMP1, 0);
1491 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1492 M_ALD_INTERN(d, REG_ITMP1, 0);
1495 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1496 M_FLD_INTERN(d, REG_ITMP1, 0);
1499 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1500 M_DLD_INTERN(d, REG_ITMP1, 0);
1503 emit_store_dst(jd, iptr, d);
1506 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1509 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1510 uf = iptr->sx.s23.s3.uf;
1512 fieldtype = uf->fieldref->parseddesc.fd->type;
1513 disp = dseg_add_unique_address(cd, NULL);
1515 codegen_addpatchref(cd, PATCHER_get_putstatic,
1516 iptr->sx.s23.s3.uf, disp);
1518 fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
1520 fieldtype = fi->type;
1521 disp = dseg_add_address(cd, &(fi->value));
1523 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1524 codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
1528 M_ALD(REG_ITMP1, REG_PV, disp);
1529 switch (fieldtype) {
1531 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1532 M_IST_INTERN(s1, REG_ITMP1, 0);
1535 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1536 M_LST_INTERN(s1, REG_ITMP1, 0);
1539 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1540 M_AST_INTERN(s1, REG_ITMP1, 0);
1543 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1544 M_FST_INTERN(s1, REG_ITMP1, 0);
1547 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1548 M_DST_INTERN(s1, REG_ITMP1, 0);
1554 case ICMD_GETFIELD: /* ... ==> ..., value */
1556 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1558 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1559 uf = iptr->sx.s23.s3.uf;
1560 fieldtype = uf->fieldref->parseddesc.fd->type;
1563 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
1565 fi = iptr->sx.s23.s3.fmiref->p.field;
1566 fieldtype = fi->type;
1570 /* implicit null-pointer check */
1571 switch (fieldtype) {
1573 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1577 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1581 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1585 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1589 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1593 emit_store_dst(jd, iptr, d);
1596 case ICMD_PUTFIELD: /* ..., value ==> ... */
1598 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1600 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1601 uf = iptr->sx.s23.s3.uf;
1602 fieldtype = uf->fieldref->parseddesc.fd->type;
1606 fi = iptr->sx.s23.s3.fmiref->p.field;
1607 fieldtype = fi->type;
1611 if (IS_INT_LNG_TYPE(fieldtype)) {
1612 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1615 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1617 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1618 codegen_addpatchref(cd, PATCHER_get_putfield, uf, 0);
1622 /* implicit null-pointer check */
1623 switch (fieldtype) {
1625 M_IST(s2, s1, disp);
1628 M_LST(s2, s1, disp);
1631 M_AST(s2, s1, disp);
1634 M_FST(s2, s1, disp);
1637 M_DST(s2, s1, disp);
1643 /* branch operations **************************************************/
1645 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
1647 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1648 M_LNGMOVE(s1, REG_ITMP1_XPTR);
1650 #ifdef ENABLE_VERIFIER
1651 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1652 codegen_addpatchref(cd, PATCHER_athrow_areturn,
1653 iptr->sx.s23.s2.uc, 0);
1655 #endif /* ENABLE_VERIFIER */
1657 disp = dseg_add_functionptr(cd, asm_handle_exception);
1658 M_ALD(REG_ITMP2, REG_PV, disp);
1661 if (jd->isleafmethod) M_MFLR(REG_ITMP3); /* save LR */
1662 M_BL(0); /* get current PC */
1663 M_MFLR(REG_ITMP2_XPC);
1664 if (jd->isleafmethod) M_MTLR(REG_ITMP3); /* restore LR */
1665 M_RTS; /* jump to CTR */
1670 case ICMD_GOTO: /* ... ==> ... */
1671 case ICMD_RET: /* ... ==> ... */
1673 emit_br(cd, iptr->dst.block);
1677 case ICMD_JSR: /* ... ==> ... */
1679 emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
1683 case ICMD_IFNULL: /* ..., value ==> ... */
1685 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1687 emit_beq(cd, iptr->dst.block);
1690 case ICMD_IFNONNULL: /* ..., value ==> ... */
1692 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1694 emit_bne(cd, iptr->dst.block);
1702 case ICMD_IFEQ: /* ..., value ==> ... */
1704 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1705 if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
1706 M_CMPI(s1, iptr->sx.val.i);
1708 ICONST(REG_ITMP2, iptr->sx.val.i);
1709 M_CMP(s1, REG_ITMP2);
1711 emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
1714 case ICMD_IF_LEQ: /* ..., value ==> ... */
1715 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1716 LCONST(REG_ITMP2, iptr->sx.val.l);
1717 M_CMP(s1, REG_ITMP2);
1718 emit_beq(cd, iptr->dst.block);
1720 case ICMD_IF_LLT: /* ..., value ==> ... */
1721 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1722 LCONST(REG_ITMP2, iptr->sx.val.l);
1723 M_CMP(s1, REG_ITMP2);
1724 emit_blt(cd, iptr->dst.block);
1726 case ICMD_IF_LLE: /* ..., value ==> ... */
1727 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1728 LCONST(REG_ITMP2, iptr->sx.val.l);
1729 M_CMP(s1, REG_ITMP2);
1730 emit_ble(cd, iptr->dst.block);
1733 case ICMD_IF_LNE: /* ..., value ==> ... */
1734 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1735 LCONST(REG_ITMP2, iptr->sx.val.l);
1736 M_CMP(s1, REG_ITMP2);
1737 emit_bne(cd, iptr->dst.block);
1739 case ICMD_IF_LGE: /* ..., value ==> ... */
1740 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1741 LCONST(REG_ITMP2, iptr->sx.val.l);
1742 M_CMP(s1, REG_ITMP2);
1743 emit_bge(cd, iptr->dst.block);
1745 case ICMD_IF_LGT: /* ..., value ==> ... */
1746 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1747 LCONST(REG_ITMP2, iptr->sx.val.l);
1748 M_CMP(s1, REG_ITMP2);
1749 emit_bgt(cd, iptr->dst.block);
1751 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
1752 case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
1753 case ICMD_IF_LCMPEQ:
1755 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1756 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1758 emit_beq(cd, iptr->dst.block);
1761 case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
1762 case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
1763 case ICMD_IF_LCMPNE:
1765 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1766 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1768 emit_bne(cd, iptr->dst.block);
1772 case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
1773 case ICMD_IF_LCMPLT:
1775 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1776 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1778 emit_blt(cd, iptr->dst.block);
1781 case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
1782 case ICMD_IF_LCMPGT:
1784 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1785 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1787 emit_bgt(cd, iptr->dst.block);
1790 case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
1791 case ICMD_IF_LCMPLE:
1793 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1794 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1796 emit_ble(cd, iptr->dst.block);
1799 case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
1800 case ICMD_IF_LCMPGE:
1802 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1803 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1805 emit_bge(cd, iptr->dst.block);
1809 case ICMD_LRETURN: /* ..., retvalue ==> ... */
1810 case ICMD_IRETURN: /* ..., retvalue ==> ... */
1812 REPLACEMENT_POINT_RETURN(cd, iptr);
1813 s1 = emit_load_s1(jd, iptr, REG_RESULT);
1814 M_LNGMOVE(s1, REG_RESULT);
1815 goto nowperformreturn;
1817 case ICMD_ARETURN: /* ..., retvalue ==> ... */
1819 REPLACEMENT_POINT_RETURN(cd, iptr);
1820 s1 = emit_load_s1(jd, iptr, REG_RESULT);
1821 M_LNGMOVE(s1, REG_RESULT);
1823 #ifdef ENABLE_VERIFIER
1824 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1825 codegen_addpatchref(cd, PATCHER_athrow_areturn,
1826 iptr->sx.s23.s2.uc, 0);
1828 #endif /* ENABLE_VERIFIER */
1830 goto nowperformreturn;
1832 case ICMD_FRETURN: /* ..., retvalue ==> ... */
1835 REPLACEMENT_POINT_RETURN(cd, iptr);
1836 s1 = emit_load_s1(jd, iptr, REG_FRESULT);
1837 M_FLTMOVE(s1, REG_FRESULT);
1838 goto nowperformreturn;
1840 case ICMD_RETURN: /* ... ==> ... */
1842 REPLACEMENT_POINT_RETURN(cd, iptr);
1848 p = cd->stackframesize;
1850 /* call trace function */
1852 #if !defined(NDEBUG)
1853 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
1854 emit_verbosecall_exit(jd);
1858 #if defined(ENABLE_THREADS)
1859 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
1860 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
1861 M_ALD(REG_ITMP3, REG_PV, disp);
1862 M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
1865 /* we need to save the proper return value */
1867 switch (iptr->opc) {
1872 M_LST(REG_RESULT , REG_SP, rd->memuse * 8 + 8);
1875 M_FST(REG_FRESULT, REG_SP, rd->memuse * 8 + 8);
1878 M_DST(REG_FRESULT, REG_SP, rd->memuse * 8 + 8);
1882 M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 8);
1885 /* and now restore the proper return value */
1887 switch (iptr->opc) {
1892 M_LLD(REG_RESULT , REG_SP, rd->memuse * 8 + 8);
1895 M_FLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 8);
1898 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 8);
1904 /* restore return address */
1906 if (!jd->isleafmethod) {
1907 /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
1908 may have a displacement overflow. */
1910 M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
1914 /* restore saved registers */
1916 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
1917 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
1919 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
1920 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
1923 /* deallocate stack */
1925 if (cd->stackframesize)
1926 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
1934 case ICMD_TABLESWITCH: /* ..., index ==> ... */
1937 branch_target_t *table;
1939 table = iptr->dst.table;
1941 l = iptr->sx.s23.s2.tablelow;
1942 i = iptr->sx.s23.s3.tablehigh;
1944 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1946 M_INTMOVE(s1, REG_ITMP1);
1947 } else if (l <= 32768) {
1948 M_LDA(REG_ITMP1, s1, -l);
1950 ICONST(REG_ITMP2, l);
1951 M_SUB(s1, REG_ITMP2, REG_ITMP1);
1954 /* number of targets */
1959 M_CMPUI(REG_ITMP1, i - 1);
1960 emit_bgt(cd, table[0].block);
1962 /* build jump table top down and use address of lowest entry */
1967 dseg_add_target(cd, table->block);
1971 /* length of dataseg after last dseg_add_unique_target is used by load */
1973 M_SLL_IMM(REG_ITMP1, 3, REG_ITMP1);
1974 M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
1975 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
1983 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
1986 lookup_target_t *lookup;
1988 lookup = iptr->dst.lookup;
1990 i = iptr->sx.s23.s2.lookupcount;
1992 MCODECHECK((i<<2)+8);
1993 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1995 val = lookup->value;
1996 if ((val >= -32768) && (val <= 32767)) {
2000 a = dseg_add_s4(cd, val);
2001 M_ILD(REG_ITMP2, REG_PV, a);
2002 M_CMP(s1, REG_ITMP2);
2004 emit_beq(cd, lookup->target.block);
2008 emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2015 case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
2017 bte = iptr->sx.s23.s3.bte;
2021 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2022 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2023 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2024 case ICMD_INVOKEINTERFACE:
2026 REPLACEMENT_POINT_INVOKE(cd, iptr);
2028 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2030 um = iptr->sx.s23.s3.um;
2031 md = um->methodref->parseddesc.md;
2034 lm = iptr->sx.s23.s3.fmiref->p.method;
2036 md = lm->parseddesc;
2040 s3 = md->paramcount;
2042 MCODECHECK((s3 << 1) + 64);
2044 /* copy arguments to registers or stack location */
2046 for (s3 = s3 - 1; s3 >= 0; s3--) {
2047 var = VAR(iptr->sx.s23.s2.args[s3]);
2049 if (var->flags & PREALLOC)
2052 if (IS_INT_LNG_TYPE(var->type)) {
2053 if (!md->params[s3].inmemory) {
2054 s1 = rd->argintregs[md->params[s3].regoff];
2055 d = emit_load(jd, iptr, var, s1);
2058 d = emit_load(jd, iptr, var, REG_ITMP1);
2059 M_LST(d, REG_SP, md->params[s3].regoff * 8);
2062 if (!md->params[s3].inmemory) {
2063 s1 = rd->argfltregs[md->params[s3].regoff];
2064 d = emit_load(jd, iptr, var, s1);
2067 d = emit_load(jd, iptr, var, REG_FTMP1);
2068 M_DST(d, REG_SP, md->params[s3].regoff * 8);
2073 switch (iptr->opc) {
2075 disp = dseg_add_functionptr(cd, bte->fp);
2076 M_ALD(REG_PV, REG_PV, disp);
2077 M_ALD(REG_PV, REG_PV, 0); /* TOC */
2079 /* generate the actual call */
2080 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2083 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2084 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2086 M_LDA(REG_PV, REG_ITMP1, -disp);
2088 emit_exception_check(cd, iptr);
2092 case ICMD_INVOKESPECIAL:
2093 emit_nullpointer_check(cd, iptr, REG_A0);
2096 case ICMD_INVOKESTATIC:
2098 disp = dseg_add_unique_address(cd, um);
2100 codegen_addpatchref(cd, PATCHER_invokestatic_special,
2103 disp = dseg_add_address(cd, lm->stubroutine);
2105 M_ALD(REG_PV, REG_PV, disp);
2107 /* generate the actual call */
2111 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2112 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2114 M_LDA(REG_PV, REG_ITMP1, -disp);
2117 case ICMD_INVOKEVIRTUAL:
2119 codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
2122 s1 = OFFSET(vftbl_t, table[0]) +
2123 sizeof(methodptr) * lm->vftblindex;
2126 /* implicit null-pointer check */
2127 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
2128 M_ALD(REG_PV, REG_METHODPTR, s1);
2130 /* generate the actual call */
2134 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2135 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2137 M_LDA(REG_PV, REG_ITMP1, -disp);
2140 case ICMD_INVOKEINTERFACE:
2142 codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
2148 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2149 sizeof(methodptr*) * lm->class->index;
2151 s2 = sizeof(methodptr) * (lm - lm->class->methods);
2154 /* implicit null-pointer check */
2155 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_objectheader, vftbl));
2156 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2157 M_ALD(REG_PV, REG_METHODPTR, s2);
2159 /* generate the actual call */
2163 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2164 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2166 M_LDA(REG_PV, REG_ITMP1, -disp);
2170 /* store return value */
2172 d = md->returntype.type;
2174 if (d != TYPE_VOID) {
2175 if (IS_INT_LNG_TYPE(d)) {
2176 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2177 M_MOV(REG_RESULT, s1);
2180 s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2181 M_FLTMOVE(REG_FRESULT, s1);
2183 emit_store_dst(jd, iptr, s1);
2187 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2188 /* val.a: (classinfo*) superclass */
2190 /* superclass is an interface:
2192 * OK if ((sub == NULL) ||
2193 * (sub->vftbl->interfacetablelength > super->index) &&
2194 * (sub->vftbl->interfacetable[-super->index] != NULL));
2196 * superclass is a class:
2198 * OK if ((sub == NULL) || (0
2199 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2200 * super->vftbl->diffvall));
2203 if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2204 /* object type cast-check */
2209 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2213 super = iptr->sx.s23.s3.c.cls;
2214 superindex = super->index;
2217 #if defined(ENABLE_THREADS)
2218 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
2220 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2222 /* calculate interface checkcast code size */
2226 s2 += CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd) ? 2 : 0;
2229 s2 += (opt_shownops ? 1 : 0);
2231 /* calculate class checkcast code size */
2233 s3 = 10 + (s1 == REG_ITMP1);
2235 s3 += CODEGENDATA_HAS_FLAG_LONGBRANCHES(cd) ? 1 : 0;
2238 s3 += (opt_shownops ? 1 : 0);
2240 /* if class is not resolved, check which code to call */
2242 if (super == NULL) {
2244 M_BEQ(3 + (opt_shownops ? 1 : 0) + s2 + 1 + s3);
2246 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2248 codegen_addpatchref(cd,
2249 PATCHER_checkcast_instanceof_flags,
2250 iptr->sx.s23.s3.c.ref,
2253 M_ILD(REG_ITMP2, REG_PV, disp);
2254 M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
2258 /* interface checkcast code */
2260 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2261 if (super == NULL) {
2262 codegen_addpatchref(cd,
2263 PATCHER_checkcast_interface,
2264 iptr->sx.s23.s3.c.ref,
2271 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2272 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
2273 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2274 emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2275 M_ALD(REG_ITMP3, REG_ITMP2,
2276 OFFSET(vftbl_t, interfacetable[0]) -
2277 superindex * sizeof(methodptr*));
2279 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2285 /* class checkcast code */
2287 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2288 if (super == NULL) {
2289 disp = dseg_add_unique_address(cd, NULL);
2290 codegen_addpatchref(cd, PATCHER_checkcast_class,
2291 iptr->sx.s23.s3.c.ref,
2294 disp = dseg_add_address(cd, super->vftbl);
2299 M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
2300 #if defined(ENABLE_THREADS)
2301 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
2303 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2304 M_ALD(REG_ITMP2, REG_PV, disp);
2305 if (s1 != REG_ITMP1) {
2306 M_ILD(REG_ITMP1, REG_ITMP2, OFFSET(vftbl_t, baseval));
2307 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2308 #if defined(ENABLE_THREADS)
2309 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
2311 M_SUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
2312 M_EXTSW(REG_ITMP3, REG_ITMP3);
2314 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2315 M_SUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2316 M_EXTSW(REG_ITMP3, REG_ITMP3);
2317 M_ALD(REG_ITMP2, REG_PV, disp);
2318 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2319 #if defined(ENABLE_THREADS)
2320 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
2323 M_CMPU(REG_ITMP3, REG_ITMP2);
2324 emit_classcast_check(cd, iptr, BRANCH_GT, REG_ITMP3, s1);
2326 d = codegen_reg_of_dst(jd, iptr, s1);
2329 /* array type cast-check */
2331 s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
2332 M_INTMOVE(s1, rd->argintregs[0]);
2335 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2336 disp = dseg_add_unique_address(cd, NULL);
2337 codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
2338 iptr->sx.s23.s3.c.ref,
2341 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2344 M_ALD(rd->argintregs[1], REG_PV, disp);
2345 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2346 M_ALD(REG_ITMP2, REG_PV, disp);
2347 M_ALD(REG_ITMP2, REG_ITMP2, 0); /* TOC */
2351 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2353 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2354 d = codegen_reg_of_dst(jd, iptr, s1);
2357 emit_store_dst(jd, iptr, d);
2361 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
2362 /* val.a: (classinfo*) superclass */
2364 /* superclass is an interface:
2366 * return (sub != NULL) &&
2367 * (sub->vftbl->interfacetablelength > super->index) &&
2368 * (sub->vftbl->interfacetable[-super->index] != NULL);
2370 * superclass is a class:
2372 * return ((sub != NULL) && (0
2373 * <= (sub->vftbl->baseval - super->vftbl->baseval) <=
2374 * super->vftbl->diffvall));
2379 vftbl_t *supervftbl;
2382 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2388 super = iptr->sx.s23.s3.c.cls;
2389 superindex = super->index;
2390 supervftbl = super->vftbl;
2393 #if defined(ENABLE_THREADS)
2394 codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
2396 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2397 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2399 M_MOV(s1, REG_ITMP1);
2403 /* calculate interface instanceof code size */
2407 s2 += (opt_shownops ? 1 : 0);
2409 /* calculate class instanceof code size */
2413 s3 += (opt_shownops ? 1 : 0);
2417 /* if class is not resolved, check which code to call */
2419 if (super == NULL) {
2421 M_BEQ(3 + (opt_shownops ? 1 : 0) + s2 + 1 + s3);
2423 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2425 codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
2426 iptr->sx.s23.s3.c.ref, disp);
2428 M_ILD(REG_ITMP3, REG_PV, disp);
2429 M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
2433 /* interface instanceof code */
2435 if (!super || (super->flags & ACC_INTERFACE)) {
2441 codegen_addpatchref(cd,
2442 PATCHER_instanceof_interface,
2443 iptr->sx.s23.s3.c.ref, 0);
2446 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
2447 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2448 M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
2450 M_ALD(REG_ITMP1, REG_ITMP1,
2451 OFFSET(vftbl_t, interfacetable[0]) -
2452 superindex * sizeof(methodptr*));
2455 M_IADD_IMM(REG_ZERO, 1, d);
2461 /* class instanceof code */
2463 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2466 disp = dseg_add_address(cd, supervftbl);
2471 disp = dseg_add_unique_address(cd, NULL);
2472 codegen_addpatchref(cd, PATCHER_instanceof_class,
2473 iptr->sx.s23.s3.c.ref,
2477 M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
2478 M_ALD(REG_ITMP2, REG_PV, disp);
2479 #if defined(ENABLE_THREADS)
2480 codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
2482 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2483 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2484 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2485 #if defined(ENABLE_THREADS)
2486 codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
2488 M_SUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2489 M_EXTSW(REG_ITMP1, REG_ITMP1);
2490 M_CMPU(REG_ITMP1, REG_ITMP2);
2493 M_IADD_IMM(REG_ZERO, 1, d);
2495 emit_store_dst(jd, iptr, d);
2499 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
2501 /* check for negative sizes and copy sizes to stack if necessary */
2503 MCODECHECK((iptr->s1.argcount << 1) + 64);
2505 for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
2507 var = VAR(iptr->sx.s23.s2.args[s1]);
2509 /* copy SAVEDVAR sizes to stack */
2511 if (!(var->flags & PREALLOC)) {
2512 s2 = emit_load(jd, iptr, var, REG_ITMP1);
2513 #if defined(__DARWIN__)
2514 M_LST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 8);
2516 M_LST(s2, REG_SP, LA_SIZE + (s1 + 3) * 8);
2521 /* a0 = dimension count */
2523 ICONST(rd->argintregs[0], iptr->s1.argcount);
2525 /* is patcher function set? */
2527 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2528 disp = dseg_add_unique_address(cd, NULL);
2530 codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
2531 iptr->sx.s23.s3.c.ref, disp);
2533 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2536 /* a1 = arraydescriptor */
2538 M_ALD(rd->argintregs[1], REG_PV, disp);
2540 /* a2 = pointer to dimensions = stack pointer */
2542 #if defined(__DARWIN__)
2543 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + INT_ARG_CNT * 8);
2545 M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + 3 * 8);
2548 disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
2549 M_ALD(REG_ITMP3, REG_PV, disp);
2550 M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
2554 /* check for exception before result assignment */
2555 emit_exception_check(cd, iptr);
2557 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2558 M_INTMOVE(REG_RESULT, d);
2559 emit_store_dst(jd, iptr, d);
2563 exceptions_throw_internalerror("Unknown ICMD %d during code generation",
2568 } /* for instruction */
2570 } /* if (bptr -> flags >= BBREACHED) */
2571 } /* for basic block */
2573 dseg_createlinenumbertable(cd);
2575 /* generate stubs */
2577 emit_patcher_stubs(jd);
2578 REPLACEMENT_EMIT_STUBS(jd);
2580 /* everything's ok */
2586 /* createcompilerstub **********************************************************
2588 Creates a stub routine which calls the compiler.
2590 *******************************************************************************/
2592 #define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
2593 #define COMPILERSTUB_CODESIZE 4 * 4
2595 #define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
2598 u1 *createcompilerstub(methodinfo *m)
2600 u1 *s; /* memory to hold the stub */
2605 s = CNEW(u1, COMPILERSTUB_SIZE);
2607 /* set data pointer and code pointer */
2610 s = s + COMPILERSTUB_DATASIZE;
2612 /* mark start of dump memory area */
2614 dumpsize = dump_size();
2616 cd = DNEW(codegendata);
2619 /* Store the codeinfo pointer in the same place as in the
2620 methodheader for compiled methods. */
2622 d[0] = (ptrint) asm_call_jit_compiler;
2624 d[2] = (ptrint) &d[1]; /* fake code->m */
2626 M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);
2627 M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);
2631 md_cacheflush((u1 *) d, COMPILERSTUB_SIZE);
2633 #if defined(ENABLE_STATISTICS)
2635 count_cstub_len += COMPILERSTUB_SIZE;
2638 /* release dump area */
2640 dump_release(dumpsize);
2646 /* createnativestub ************************************************************
2648 Creates a stub routine which calls a native method.
2650 *******************************************************************************/
2652 u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
2660 s4 i, j; /* count variables */
2665 /* get required compiler data */
2672 /* set some variables */
2675 nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
2677 /* calculate stackframe size */
2679 cd->stackframesize =
2680 sizeof(stackframeinfo) / SIZEOF_VOID_P +
2681 sizeof(localref_table) / SIZEOF_VOID_P +
2682 4 + /* 4 stackframeinfo arguments (darwin)*/
2686 /* cd->stackframesize = (cd->stackframesize + 3) & ~3;*/ /* keep stack 16-byte aligned */
2688 /* create method header */
2690 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
2691 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
2692 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
2693 (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
2694 (void) dseg_add_unique_s4(cd, 0); /* IntSave */
2695 (void) dseg_add_unique_s4(cd, 0); /* FltSave */
2696 (void) dseg_addlinenumbertablesize(cd);
2697 (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
2702 M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
2703 M_STDU(REG_SP, REG_SP, -(cd->stackframesize * 8));
2705 #if !defined(NDEBUG)
2706 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
2707 emit_verbosecall_enter(jd);
2710 /* get function address (this must happen before the stackframeinfo) */
2712 funcdisp = dseg_add_functionptr(cd, f);
2714 #if !defined(WITH_STATIC_CLASSPATH)
2716 codegen_addpatchref(cd, PATCHER_resolve_native, m, funcdisp);
2720 /* save integer and float argument registers */
2724 for (i = 0; i < md->paramcount; i++) {
2725 t = md->paramtypes[i].type;
2727 if (IS_INT_LNG_TYPE(t)) {
2728 if (!md->params[i].inmemory) {
2729 s1 = md->params[i].regoff;
2730 M_LST(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4*8 + j * 8);
2736 for (i = 0; i < md->paramcount; i++) {
2737 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
2738 if (!md->params[i].inmemory) {
2739 s1 = md->params[i].regoff;
2740 M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4*8 + j * 8);
2746 /* create native stack info */
2748 M_AADD_IMM(REG_SP, cd->stackframesize * 8, rd->argintregs[0]);
2749 M_MOV(REG_PV, rd->argintregs[1]);
2750 M_AADD_IMM(REG_SP, cd->stackframesize * 8, rd->argintregs[2]);
2751 M_ALD(rd->argintregs[3], REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
2752 disp = dseg_add_functionptr(cd, codegen_start_native_call);
2754 M_ALD(REG_ITMP1, REG_PV, disp);
2755 M_ALD(REG_ITMP1, REG_ITMP1, 0); /* TOC */
2759 /* restore integer and float argument registers */
2763 for (i = 0; i < md->paramcount; i++) {
2764 t = md->paramtypes[i].type;
2766 if (IS_INT_LNG_TYPE(t)) {
2767 if (!md->params[i].inmemory) {
2768 s1 = md->params[i].regoff;
2769 M_LLD(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
2775 for (i = 0; i < md->paramcount; i++) {
2776 if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
2777 if (!md->params[i].inmemory) {
2778 s1 = md->params[i].regoff;
2779 M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
2785 /* copy or spill arguments to new locations */
2787 for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
2788 t = md->paramtypes[i].type;
2790 if (IS_INT_LNG_TYPE(t)) {
2791 if (!md->params[i].inmemory) {
2792 s1 = rd->argintregs[md->params[i].regoff];
2794 if (!nmd->params[j].inmemory) {
2795 s2 = rd->argintregs[nmd->params[j].regoff];
2798 s2 = nmd->params[j].regoff;
2799 M_LST(s1, REG_SP, s2 * 8);
2803 s1 = md->params[i].regoff + cd->stackframesize;
2804 s2 = nmd->params[j].regoff;
2806 M_LLD(REG_ITMP1, REG_SP, s1 * 8);
2807 M_LST(REG_ITMP1, REG_SP, s2 * 8);
2811 /* We only copy spilled float arguments, as the float
2812 argument registers keep unchanged. */
2814 if (md->params[i].inmemory) {
2815 s1 = md->params[i].regoff + cd->stackframesize;
2816 s2 = nmd->params[j].regoff;
2818 M_DLD(REG_FTMP1, REG_SP, s1 * 8);
2820 if (IS_2_WORD_TYPE(t)) {
2821 M_DST(REG_FTMP1, REG_SP, s2 * 8);
2823 M_FST(REG_FTMP1, REG_SP, s2 * 8 + 4);
2829 /* put class into second argument register */
2831 if (m->flags & ACC_STATIC) {
2832 disp = dseg_add_unique_address(cd, m->class);
2833 M_ALD(rd->argintregs[1], REG_PV, disp);
2836 /* put env into first argument register */
2838 disp = dseg_add_unique_address(cd, _Jv_env);
2839 M_ALD(rd->argintregs[0], REG_PV, disp);
2841 /* generate the actual native call */
2842 /* native functions have a different TOC for sure */
2844 M_AST(REG_TOC, REG_SP, 40); /* save old TOC */
2845 M_ALD(REG_ITMP3, REG_PV, funcdisp);
2846 M_ALD(REG_TOC, REG_ITMP3, 8); /* load TOC from func. descriptor */
2847 M_ALD(REG_ITMP3, REG_ITMP3, 0);
2850 M_ALD(REG_TOC, REG_SP, 40); /* restore TOC */
2852 /* save return value */
2854 if (md->returntype.type != TYPE_VOID) {
2855 if (IS_INT_LNG_TYPE(md->returntype.type)) {
2856 M_LST(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
2859 M_DST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
2863 /* print call trace */
2864 #if ! defined(NDEBGUU)
2865 if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
2866 emit_verbosecall_exit(jd);
2869 /* remove native stackframe info */
2871 M_AADD_IMM(REG_SP, cd->stackframesize * 8, rd->argintregs[0]);
2872 disp = dseg_add_functionptr(cd, codegen_finish_native_call);
2873 M_ALD(REG_ITMP1, REG_PV, disp);
2874 M_ALD(REG_ITMP1, REG_ITMP1, 0); /* XXX what about TOC? */
2877 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
2879 /* restore return value */
2881 if (md->returntype.type != TYPE_VOID) {
2882 if (IS_INT_LNG_TYPE(md->returntype.type)) {
2883 M_LLD(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
2886 /* if (IS_2_WORD_TYPE(md->returntype.type)) */
2887 M_DLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
2889 M_FLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8); F XXX
2894 M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
2895 M_MTLR(REG_ITMP2_XPC);
2896 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* remove stackframe */
2898 /* check for exception */
2900 M_TST(REG_ITMP1_XPTR);
2901 M_BNE(1); /* if no exception then return */
2905 /* handle exception */
2907 M_LADD_IMM(REG_ITMP2_XPC, -4, REG_ITMP2_XPC); /* exception address */
2909 disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
2910 M_ALD(REG_ITMP3, REG_PV, disp);
2914 /* generate patcher stub call code */
2922 for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
2923 /* Get machine code which is patched back in later. The
2924 call is 1 instruction word long. */
2926 tmpmcodeptr = cd->mcodebase + pref->branchpos;
2928 mcode = *((u4 *) tmpmcodeptr);
2930 /* Patch in the call to call the following code (done at
2933 savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
2934 cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
2936 disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
2939 cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
2941 /* create stack frame - keep stack 16-byte aligned */
2943 M_AADD_IMM(REG_SP, -8 * 8, REG_SP);
2945 /* move return address onto stack */
2948 M_AST(REG_ZERO, REG_SP, 5 * 8);
2950 /* move pointer to java_objectheader onto stack */
2952 #if defined(ENABLE_THREADS)
2953 /* order reversed because of data segment layout */
2955 (void) dseg_add_unique_address(cd, NULL); /* flcword */
2956 (void) dseg_add_unique_address(cd, lock_get_initial_lock_word()); /* monitorPtr */
2957 disp = dseg_add_unique_address(cd, NULL); /* vftbl */
2959 M_LDA(REG_ITMP3, REG_PV, disp);
2960 M_AST(REG_ITMP3, REG_SP, 4 * 8);
2965 /* move machine code onto stack */
2967 disp = dseg_add_unique_s4(cd, mcode);
2968 M_ILD(REG_ITMP3, REG_PV, disp);
2969 M_IST(REG_ITMP3, REG_SP, 3 * 8);
2971 /* move class/method/field reference onto stack */
2973 disp = dseg_add_unique_address(cd, pref->ref);
2974 M_ALD(REG_ITMP3, REG_PV, disp);
2975 M_AST(REG_ITMP3, REG_SP, 2 * 8);
2977 /* move data segment displacement onto stack */
2979 disp = dseg_add_unique_s4(cd, pref->disp);
2980 M_ILD(REG_ITMP3, REG_PV, disp);
2981 M_IST(REG_ITMP3, REG_SP, 1 * 8);
2983 /* move patcher function pointer onto stack */
2985 disp = dseg_add_functionptr(cd, pref->patcher);
2986 M_ALD(REG_ITMP3, REG_PV, disp);
2987 M_AST(REG_ITMP3, REG_SP, 0 * 8);
2989 disp = dseg_add_functionptr(cd, asm_patcher_wrapper);
2990 M_ALD(REG_ITMP3, REG_PV, disp);
2998 return code->entrypoint;
3005 * These are local overrides for various environment variables in Emacs.
3006 * Please do not remove this and leave it at the end of the file, where
3007 * Emacs will automagically detect them.
3008 * ---------------------------------------------------------------------
3011 * indent-tabs-mode: t
3015 * vim:noexpandtab:sw=4:ts=4: