1 /* src/vm/jit/alpha/codegen.c - machine code generator for Alpha
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
38 #include "vm/jit/alpha/arch.h"
39 #include "vm/jit/alpha/codegen.h"
41 #include "mm/memory.h"
43 #include "native/jni.h"
44 #include "native/localref.h"
45 #include "native/native.h"
47 #include "threads/lock-common.h"
49 #include "vm/builtin.h"
50 #include "vm/exceptions.h"
51 #include "vm/global.h"
54 #include "vm/jit/abi.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-common.h"
62 #include "vm/jit/reg.h"
63 #include "vm/jit/replace.h"
64 #include "vm/jit/stacktrace.h"
66 #if defined(ENABLE_LSRA)
67 # include "vm/jit/allocator/lsra.h"
70 #include "vmcore/loader.h"
71 #include "vmcore/options.h"
74 /* codegen_emit ****************************************************************
76 Generates machine code.
78 *******************************************************************************/
80 bool codegen_emit(jitdata *jd)
86 s4 len, s1, s2, s3, d, disp;
92 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
93 unresolved_method *um;
94 builtintable_entry *bte;
101 /* get required compiler data */
108 /* prevent compiler warnings */
121 savedregs_num = code_is_leafmethod(code) ? 0 : 1; /* space to save the RA */
123 /* space to save used callee saved registers */
125 savedregs_num += (INT_SAV_CNT - rd->savintreguse);
126 savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
128 cd->stackframesize = rd->memuse + savedregs_num;
130 #if defined(ENABLE_THREADS) /* space to save argument of monitor_enter */
131 if (checksync && (m->flags & ACC_SYNCHRONIZED))
132 cd->stackframesize++;
135 /* create method header */
138 cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
141 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
142 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
144 #if defined(ENABLE_THREADS)
145 /* IsSync contains the offset relative to the stack pointer for the
146 argument of monitor_exit used in the exception handler. Since the
147 offset could be zero and give a wrong meaning of the flag it is
151 if (checksync && (m->flags & ACC_SYNCHRONIZED))
152 (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
155 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
157 /* REMOVEME: We still need it for exception handling in assembler. */
159 if (code_is_leafmethod(code))
160 (void) dseg_add_unique_s4(cd, 1);
162 (void) dseg_add_unique_s4(cd, 0);
164 (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
165 (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
167 dseg_addlinenumbertablesize(cd);
169 (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
171 /* create exception table */
173 for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
174 dseg_add_target(cd, ex->start);
175 dseg_add_target(cd, ex->end);
176 dseg_add_target(cd, ex->handler);
177 (void) dseg_add_unique_address(cd, ex->catchtype.any);
180 /* create stack frame (if necessary) */
182 if (cd->stackframesize)
183 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
185 /* save return address and used callee saved registers */
187 p = cd->stackframesize;
188 if (!code_is_leafmethod(code)) {
189 p--; M_AST(REG_RA, REG_SP, p * 8);
191 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
192 p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
194 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
195 p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
198 /* take arguments out of register or stack frame */
202 for (p = 0, l = 0; p < md->paramcount; p++) {
203 t = md->paramtypes[p].type;
205 varindex = jd->local_map[l * 5 + t];
208 if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
211 if (varindex == UNUSED)
216 s1 = md->params[p].regoff;
218 if (IS_INT_LNG_TYPE(t)) { /* integer args */
219 if (!md->params[p].inmemory) { /* register arguments */
220 if (!IS_INMEMORY(var->flags))
221 M_INTMOVE(s1, var->vv.regoff);
223 M_LST(s1, REG_SP, var->vv.regoff);
225 else { /* stack arguments */
226 if (!IS_INMEMORY(var->flags))
227 M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
229 var->vv.regoff = cd->stackframesize * 8 + s1;
232 else { /* floating args */
233 if (!md->params[p].inmemory) { /* register arguments */
234 if (!IS_INMEMORY(var->flags))
235 M_FLTMOVE(s1, var->vv.regoff);
237 M_DST(s1, REG_SP, var->vv.regoff * 8);
239 else { /* stack arguments */
240 if (!(var->flags & INMEMORY))
241 M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
243 var->vv.regoff = cd->stackframesize * 8 + s1;
248 /* call monitorenter function */
250 #if defined(ENABLE_THREADS)
251 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
252 /* stack offset for monitor argument */
257 if (opt_verbosecall) {
258 M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
260 for (p = 0; p < INT_ARG_CNT; p++)
261 M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
263 for (p = 0; p < FLT_ARG_CNT; p++)
264 M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
266 s1 += INT_ARG_CNT + FLT_ARG_CNT;
268 #endif /* !defined(NDEBUG) */
270 /* decide which monitor enter function to call */
272 if (m->flags & ACC_STATIC) {
273 disp = dseg_add_address(cd, &m->class->object.header);
274 M_ALD(REG_A0, REG_PV, disp);
278 M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
281 M_AST(REG_A0, REG_SP, s1 * 8);
282 disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
283 M_ALD(REG_PV, REG_PV, disp);
284 M_JSR(REG_RA, REG_PV);
285 disp = (s4) (cd->mcodeptr - cd->mcodebase);
286 M_LDA(REG_PV, REG_RA, -disp);
289 if (opt_verbosecall) {
290 for (p = 0; p < INT_ARG_CNT; p++)
291 M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
293 for (p = 0; p < FLT_ARG_CNT; p++)
294 M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
296 M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
298 #endif /* !defined(NDEBUG) */
302 /* call trace function */
305 if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
306 emit_verbosecall_enter(jd);
311 /* end of header generation */
313 /* create replacement points */
315 REPLACEMENT_POINTS_INIT(cd, jd);
317 /* walk through all basic blocks */
319 for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
321 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
323 if (bptr->flags >= BBREACHED) {
325 /* branch resolving */
327 codegen_resolve_branchrefs(cd, bptr);
329 /* handle replacement points */
331 REPLACEMENT_POINT_BLOCK_START(cd, bptr);
333 /* copy interface registers to their destination */
337 #if defined(ENABLE_LSRA)
341 src = bptr->invars[len];
342 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
343 /* d = reg_of_var(m, src, REG_ITMP1); */
344 if (!(src->flags & INMEMORY))
348 M_INTMOVE(REG_ITMP1, d);
349 emit_store(jd, NULL, src, d);
356 var = VAR(bptr->invars[len]);
357 if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
358 d = codegen_reg_of_var(0, var, REG_ITMP1);
359 M_INTMOVE(REG_ITMP1, d);
360 emit_store(jd, NULL, var, d);
363 assert((var->flags & INOUT));
366 #if defined(ENABLE_LSRA)
370 /* walk through all instructions */
374 for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
375 if (iptr->line != currentline) {
376 dseg_addlinenumber(cd, iptr->line);
377 currentline = iptr->line;
380 MCODECHECK(64); /* an instruction usually needs < 64 words */
383 case ICMD_NOP: /* ... ==> ... */
384 case ICMD_POP: /* ..., value ==> ... */
385 case ICMD_POP2: /* ..., value, value ==> ... */
388 case ICMD_INLINE_START:
390 REPLACEMENT_POINT_INLINE_START(cd, iptr);
393 case ICMD_INLINE_BODY:
395 REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
396 dseg_addlinenumber_inline_start(cd, iptr);
397 dseg_addlinenumber(cd, iptr->line);
400 case ICMD_INLINE_END:
402 dseg_addlinenumber_inline_end(cd, iptr);
403 dseg_addlinenumber(cd, iptr->line);
406 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
408 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
409 emit_nullpointer_check(cd, iptr, s1);
412 /* constant operations ************************************************/
414 case ICMD_ICONST: /* ... ==> ..., constant */
416 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
417 ICONST(d, iptr->sx.val.i);
418 emit_store_dst(jd, iptr, d);
421 case ICMD_LCONST: /* ... ==> ..., constant */
423 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
424 LCONST(d, iptr->sx.val.l);
425 emit_store_dst(jd, iptr, d);
428 case ICMD_FCONST: /* ... ==> ..., constant */
430 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
431 disp = dseg_add_float(cd, iptr->sx.val.f);
432 M_FLD(d, REG_PV, disp);
433 emit_store_dst(jd, iptr, d);
436 case ICMD_DCONST: /* ... ==> ..., constant */
438 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
439 disp = dseg_add_double(cd, iptr->sx.val.d);
440 M_DLD(d, REG_PV, disp);
441 emit_store_dst(jd, iptr, d);
444 case ICMD_ACONST: /* ... ==> ..., constant */
446 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
448 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
449 constant_classref *cr = iptr->sx.val.c.ref;
451 disp = dseg_add_unique_address(cd, cr);
453 /* XXX Only add the patcher, if this position needs to
454 be patched. If there was a previous position which
455 resolved the same class, the returned displacement
456 of dseg_add_address is ok to use. */
458 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
461 M_ALD(d, REG_PV, disp);
464 if (iptr->sx.val.anyptr == NULL)
465 M_INTMOVE(REG_ZERO, d);
467 disp = dseg_add_address(cd, iptr->sx.val.anyptr);
468 M_ALD(d, REG_PV, disp);
471 emit_store_dst(jd, iptr, d);
475 /* load/store/move/copy operations ************************************/
477 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
478 case ICMD_ALOAD: /* s1 = local variable */
482 case ICMD_ISTORE: /* ..., value ==> ... */
494 if (!(iptr->flags.bits & INS_FLAG_RETADDR))
499 /* integer operations *************************************************/
501 case ICMD_INEG: /* ..., value ==> ..., - value */
503 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
504 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
505 M_ISUB(REG_ZERO, s1, d);
506 emit_store_dst(jd, iptr, d);
509 case ICMD_LNEG: /* ..., value ==> ..., - value */
511 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
512 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
513 M_LSUB(REG_ZERO, s1, d);
514 emit_store_dst(jd, iptr, d);
517 case ICMD_I2L: /* ..., value ==> ..., value */
519 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
520 d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
522 emit_store_dst(jd, iptr, d);
525 case ICMD_L2I: /* ..., value ==> ..., value */
527 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
528 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
529 M_IADD(s1, REG_ZERO, d);
530 emit_store_dst(jd, iptr, d);
533 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
535 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
536 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
537 if (has_ext_instr_set) {
540 M_SLL_IMM(s1, 56, d);
541 M_SRA_IMM( d, 56, d);
543 emit_store_dst(jd, iptr, d);
546 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
548 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
549 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
551 emit_store_dst(jd, iptr, d);
554 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
556 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
557 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
558 if (has_ext_instr_set) {
561 M_SLL_IMM(s1, 48, d);
562 M_SRA_IMM( d, 48, d);
564 emit_store_dst(jd, iptr, d);
568 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
570 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
571 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
572 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
574 emit_store_dst(jd, iptr, d);
578 case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
579 /* sx.val.i = constant */
581 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
582 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
583 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
584 M_IADD_IMM(s1, iptr->sx.val.i, d);
585 } else if ((iptr->sx.val.i > -256) && (iptr->sx.val.i < 0)) {
586 M_ISUB_IMM(s1, (-iptr->sx.val.i), d);
588 /* XXX maybe use M_LDA? */
589 ICONST(REG_ITMP2, iptr->sx.val.i);
590 M_IADD(s1, REG_ITMP2, d);
592 emit_store_dst(jd, iptr, d);
595 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
597 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
598 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
599 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
601 emit_store_dst(jd, iptr, d);
604 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
605 /* sx.val.l = constant */
607 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
608 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
609 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
610 M_LADD_IMM(s1, iptr->sx.val.l, d);
612 LCONST(REG_ITMP2, iptr->sx.val.l);
613 M_LADD(s1, REG_ITMP2, d);
615 emit_store_dst(jd, iptr, d);
618 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
620 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
621 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
622 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
624 emit_store_dst(jd, iptr, d);
627 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
628 /* sx.val.i = constant */
630 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
631 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
632 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
633 M_ISUB_IMM(s1, iptr->sx.val.i, d);
635 ICONST(REG_ITMP2, iptr->sx.val.i);
636 M_ISUB(s1, REG_ITMP2, d);
638 emit_store_dst(jd, iptr, d);
641 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
643 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
644 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
645 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
647 emit_store_dst(jd, iptr, d);
650 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
651 /* sx.val.l = constant */
653 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
654 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
655 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
656 M_LSUB_IMM(s1, iptr->sx.val.l, d);
658 LCONST(REG_ITMP2, iptr->sx.val.l);
659 M_LSUB(s1, REG_ITMP2, d);
661 emit_store_dst(jd, iptr, d);
664 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
666 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
667 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
668 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
670 emit_store_dst(jd, iptr, d);
673 case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
674 /* sx.val.i = constant */
676 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
677 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
678 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
679 M_IMUL_IMM(s1, iptr->sx.val.i, d);
681 ICONST(REG_ITMP2, iptr->sx.val.i);
682 M_IMUL(s1, REG_ITMP2, d);
684 emit_store_dst(jd, iptr, d);
687 case ICMD_LMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
689 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
690 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
691 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
693 emit_store_dst(jd, iptr, d);
696 case ICMD_LMULCONST: /* ..., value ==> ..., value * constant */
697 /* sx.val.l = constant */
699 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
700 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
701 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
702 M_LMUL_IMM(s1, iptr->sx.val.l, d);
704 LCONST(REG_ITMP2, iptr->sx.val.l);
705 M_LMUL(s1, REG_ITMP2, d);
707 emit_store_dst(jd, iptr, d);
710 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
711 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
713 s1 = emit_load_s1(jd, iptr, REG_A0);
714 s2 = emit_load_s2(jd, iptr, REG_A1);
715 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
716 emit_arithmetic_check(cd, iptr, s2);
718 M_INTMOVE(s1, REG_A0);
719 M_INTMOVE(s2, REG_A1);
720 bte = iptr->sx.s23.s3.bte;
721 disp = dseg_add_functionptr(cd, bte->fp);
722 M_ALD(REG_PV, REG_PV, disp);
723 M_JSR(REG_RA, REG_PV);
724 disp = (s4) (cd->mcodeptr - cd->mcodebase);
725 M_LDA(REG_PV, REG_RA, -disp);
727 M_IADD(REG_RESULT, REG_ZERO, d); /* sign extend (bugfix for gcc -O2) */
728 emit_store_dst(jd, iptr, d);
731 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
732 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
734 s1 = emit_load_s1(jd, iptr, REG_A0);
735 s2 = emit_load_s2(jd, iptr, REG_A1);
736 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
737 emit_arithmetic_check(cd, iptr, s2);
739 M_INTMOVE(s1, REG_A0);
740 M_INTMOVE(s2, REG_A1);
741 bte = iptr->sx.s23.s3.bte;
742 disp = dseg_add_functionptr(cd, bte->fp);
743 M_ALD(REG_PV, REG_PV, disp);
744 M_JSR(REG_RA, REG_PV);
745 disp = (s4) (cd->mcodeptr - cd->mcodebase);
746 M_LDA(REG_PV, REG_RA, -disp);
748 M_INTMOVE(REG_RESULT, d);
749 emit_store_dst(jd, iptr, d);
752 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
753 case ICMD_LDIVPOW2: /* val.i = constant */
755 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
756 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
757 if (iptr->sx.val.i <= 15) {
758 M_LDA(REG_ITMP2, s1, (1 << iptr->sx.val.i) -1);
759 M_CMOVGE(s1, s1, REG_ITMP2);
761 M_SRA_IMM(s1, 63, REG_ITMP2);
762 M_SRL_IMM(REG_ITMP2, 64 - iptr->sx.val.i, REG_ITMP2);
763 M_LADD(s1, REG_ITMP2, REG_ITMP2);
765 M_SRA_IMM(REG_ITMP2, iptr->sx.val.i, d);
766 emit_store_dst(jd, iptr, d);
769 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
771 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
772 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
773 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
774 M_AND_IMM(s2, 0x1f, REG_ITMP3);
775 M_SLL(s1, REG_ITMP3, d);
776 M_IADD(d, REG_ZERO, d);
777 emit_store_dst(jd, iptr, d);
780 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
781 /* sx.val.i = constant */
783 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
784 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
785 M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
786 M_IADD(d, REG_ZERO, d);
787 emit_store_dst(jd, iptr, d);
790 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
792 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
793 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
794 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
795 M_AND_IMM(s2, 0x1f, REG_ITMP3);
796 M_SRA(s1, REG_ITMP3, d);
797 emit_store_dst(jd, iptr, d);
800 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
801 /* sx.val.i = constant */
803 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
804 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
805 M_SRA_IMM(s1, iptr->sx.val.i & 0x1f, d);
806 emit_store_dst(jd, iptr, d);
809 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
811 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
812 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
813 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
814 M_AND_IMM(s2, 0x1f, REG_ITMP2);
816 M_SRL(d, REG_ITMP2, d);
817 M_IADD(d, REG_ZERO, d);
818 emit_store_dst(jd, iptr, d);
821 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
822 /* sx.val.i = constant */
824 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
825 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
827 M_SRL_IMM(d, iptr->sx.val.i & 0x1f, d);
828 M_IADD(d, REG_ZERO, d);
829 emit_store_dst(jd, iptr, d);
832 case ICMD_LSHL: /* ..., val1, val2 ==> ..., val1 << val2 */
834 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
835 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
836 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
838 emit_store_dst(jd, iptr, d);
841 case ICMD_LSHLCONST: /* ..., value ==> ..., value << constant */
842 /* sx.val.i = constant */
844 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
845 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
846 M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
847 emit_store_dst(jd, iptr, d);
850 case ICMD_LSHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
852 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
853 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
854 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
856 emit_store_dst(jd, iptr, d);
859 case ICMD_LSHRCONST: /* ..., value ==> ..., value >> constant */
860 /* sx.val.i = constant */
862 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
863 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
864 M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
865 emit_store_dst(jd, iptr, d);
868 case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
870 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
871 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
872 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
874 emit_store_dst(jd, iptr, d);
877 case ICMD_LUSHRCONST: /* ..., value ==> ..., value >>> constant */
878 /* sx.val.i = constant */
880 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
881 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
882 M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
883 emit_store_dst(jd, iptr, d);
886 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
889 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
890 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
891 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
893 emit_store_dst(jd, iptr, d);
896 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
897 /* sx.val.i = constant */
899 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
900 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
901 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
902 M_AND_IMM(s1, iptr->sx.val.i, d);
903 } else if (iptr->sx.val.i == 0xffff) {
905 } else if (iptr->sx.val.i == 0xffffff) {
906 M_ZAPNOT_IMM(s1, 0x07, d);
908 ICONST(REG_ITMP2, iptr->sx.val.i);
909 M_AND(s1, REG_ITMP2, d);
911 emit_store_dst(jd, iptr, d);
914 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
915 /* sx.val.i = constant */
917 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
918 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
920 M_MOV(s1, REG_ITMP1);
923 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
924 M_AND_IMM(s1, iptr->sx.val.i, d);
926 M_ISUB(REG_ZERO, s1, d);
927 M_AND_IMM(d, iptr->sx.val.i, d);
928 } else if (iptr->sx.val.i == 0xffff) {
931 M_ISUB(REG_ZERO, s1, d);
933 } else if (iptr->sx.val.i == 0xffffff) {
934 M_ZAPNOT_IMM(s1, 0x07, d);
936 M_ISUB(REG_ZERO, s1, d);
937 M_ZAPNOT_IMM(d, 0x07, d);
939 ICONST(REG_ITMP2, iptr->sx.val.i);
940 M_AND(s1, REG_ITMP2, d);
942 M_ISUB(REG_ZERO, s1, d);
943 M_AND(d, REG_ITMP2, d);
945 M_ISUB(REG_ZERO, d, d);
946 emit_store_dst(jd, iptr, d);
949 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
950 /* sx.val.l = constant */
952 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
953 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
954 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
955 M_AND_IMM(s1, iptr->sx.val.l, d);
956 } else if (iptr->sx.val.l == 0xffffL) {
958 } else if (iptr->sx.val.l == 0xffffffL) {
959 M_ZAPNOT_IMM(s1, 0x07, d);
960 } else if (iptr->sx.val.l == 0xffffffffL) {
962 } else if (iptr->sx.val.l == 0xffffffffffL) {
963 M_ZAPNOT_IMM(s1, 0x1f, d);
964 } else if (iptr->sx.val.l == 0xffffffffffffL) {
965 M_ZAPNOT_IMM(s1, 0x3f, d);
966 } else if (iptr->sx.val.l == 0xffffffffffffffL) {
967 M_ZAPNOT_IMM(s1, 0x7f, d);
969 LCONST(REG_ITMP2, iptr->sx.val.l);
970 M_AND(s1, REG_ITMP2, d);
972 emit_store_dst(jd, iptr, d);
975 case ICMD_LREMPOW2: /* ..., value ==> ..., value % constant */
976 /* sx.val.l = constant */
978 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
979 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
981 M_MOV(s1, REG_ITMP1);
984 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
985 M_AND_IMM(s1, iptr->sx.val.l, d);
987 M_LSUB(REG_ZERO, s1, d);
988 M_AND_IMM(d, iptr->sx.val.l, d);
989 } else if (iptr->sx.val.l == 0xffffL) {
992 M_LSUB(REG_ZERO, s1, d);
994 } else if (iptr->sx.val.l == 0xffffffL) {
995 M_ZAPNOT_IMM(s1, 0x07, d);
997 M_LSUB(REG_ZERO, s1, d);
998 M_ZAPNOT_IMM(d, 0x07, d);
999 } else if (iptr->sx.val.l == 0xffffffffL) {
1002 M_LSUB(REG_ZERO, s1, d);
1004 } else if (iptr->sx.val.l == 0xffffffffffL) {
1005 M_ZAPNOT_IMM(s1, 0x1f, d);
1007 M_LSUB(REG_ZERO, s1, d);
1008 M_ZAPNOT_IMM(d, 0x1f, d);
1009 } else if (iptr->sx.val.l == 0xffffffffffffL) {
1010 M_ZAPNOT_IMM(s1, 0x3f, d);
1012 M_LSUB(REG_ZERO, s1, d);
1013 M_ZAPNOT_IMM(d, 0x3f, d);
1014 } else if (iptr->sx.val.l == 0xffffffffffffffL) {
1015 M_ZAPNOT_IMM(s1, 0x7f, d);
1017 M_LSUB(REG_ZERO, s1, d);
1018 M_ZAPNOT_IMM(d, 0x7f, d);
1020 LCONST(REG_ITMP2, iptr->sx.val.l);
1021 M_AND(s1, REG_ITMP2, d);
1023 M_LSUB(REG_ZERO, s1, d);
1024 M_AND(d, REG_ITMP2, d);
1026 M_LSUB(REG_ZERO, d, d);
1027 emit_store_dst(jd, iptr, d);
1030 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
1033 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1034 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1035 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1037 emit_store_dst(jd, iptr, d);
1040 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
1041 /* sx.val.i = constant */
1043 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1044 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1045 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1046 M_OR_IMM(s1, iptr->sx.val.i, d);
1048 ICONST(REG_ITMP2, iptr->sx.val.i);
1049 M_OR(s1, REG_ITMP2, d);
1051 emit_store_dst(jd, iptr, d);
1054 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
1055 /* sx.val.l = constant */
1057 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1058 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1059 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1060 M_OR_IMM(s1, iptr->sx.val.l, d);
1062 LCONST(REG_ITMP2, iptr->sx.val.l);
1063 M_OR(s1, REG_ITMP2, d);
1065 emit_store_dst(jd, iptr, d);
1068 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
1071 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1072 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1073 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1075 emit_store_dst(jd, iptr, d);
1078 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
1079 /* sx.val.i = constant */
1081 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1082 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1083 if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 255)) {
1084 M_XOR_IMM(s1, iptr->sx.val.i, d);
1086 ICONST(REG_ITMP2, iptr->sx.val.i);
1087 M_XOR(s1, REG_ITMP2, d);
1089 emit_store_dst(jd, iptr, d);
1092 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
1093 /* sx.val.l = constant */
1095 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1096 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1097 if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 255)) {
1098 M_XOR_IMM(s1, iptr->sx.val.l, d);
1100 LCONST(REG_ITMP2, iptr->sx.val.l);
1101 M_XOR(s1, REG_ITMP2, d);
1103 emit_store_dst(jd, iptr, d);
1107 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
1109 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1110 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1111 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1112 M_CMPLT(s1, s2, REG_ITMP3);
1113 M_CMPLT(s2, s1, REG_ITMP1);
1114 M_LSUB(REG_ITMP1, REG_ITMP3, d);
1115 emit_store_dst(jd, iptr, d);
1119 /* floating operations ************************************************/
1121 case ICMD_FNEG: /* ..., value ==> ..., - value */
1123 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1124 d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1126 emit_store_dst(jd, iptr, d);
1129 case ICMD_DNEG: /* ..., value ==> ..., - value */
1131 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1132 d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1134 emit_store_dst(jd, iptr, d);
1137 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1139 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1140 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1141 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1145 if (d == s1 || d == s2) {
1146 M_FADDS(s1, s2, REG_FTMP3);
1148 M_FMOV(REG_FTMP3, d);
1154 emit_store_dst(jd, iptr, d);
1157 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
1159 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1160 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1161 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1165 if (d == s1 || d == s2) {
1166 M_DADDS(s1, s2, REG_FTMP3);
1168 M_FMOV(REG_FTMP3, d);
1174 emit_store_dst(jd, iptr, d);
1177 case ICMD_FSUB: /* ..., 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);
1185 if (d == s1 || d == s2) {
1186 M_FSUBS(s1, s2, REG_FTMP3);
1188 M_FMOV(REG_FTMP3, d);
1194 emit_store_dst(jd, iptr, d);
1197 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
1199 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1200 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1201 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1205 if (d == s1 || d == s2) {
1206 M_DSUBS(s1, s2, REG_FTMP3);
1208 M_FMOV(REG_FTMP3, d);
1214 emit_store_dst(jd, iptr, d);
1217 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
1219 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1220 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1221 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1225 if (d == s1 || d == s2) {
1226 M_FMULS(s1, s2, REG_FTMP3);
1228 M_FMOV(REG_FTMP3, d);
1234 emit_store_dst(jd, iptr, d);
1237 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 *** val2 */
1239 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1240 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1241 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1245 if (d == s1 || d == s2) {
1246 M_DMULS(s1, s2, REG_FTMP3);
1248 M_FMOV(REG_FTMP3, d);
1254 emit_store_dst(jd, iptr, d);
1257 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1259 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1260 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1261 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1265 if (d == s1 || d == s2) {
1266 M_FDIVS(s1, s2, REG_FTMP3);
1268 M_FMOV(REG_FTMP3, d);
1274 emit_store_dst(jd, iptr, d);
1277 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
1279 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1280 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1281 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1285 if (d == s1 || d == s2) {
1286 M_DDIVS(s1, s2, REG_FTMP3);
1288 M_FMOV(REG_FTMP3, d);
1294 emit_store_dst(jd, iptr, d);
1297 case ICMD_I2F: /* ..., value ==> ..., (float) value */
1299 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1300 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1301 disp = dseg_add_unique_double(cd, 0.0);
1302 M_LST(s1, REG_PV, disp);
1303 M_DLD(d, REG_PV, disp);
1305 emit_store_dst(jd, iptr, d);
1308 case ICMD_I2D: /* ..., value ==> ..., (double) value */
1310 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1311 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1312 disp = dseg_add_unique_double(cd, 0.0);
1313 M_LST(s1, REG_PV, disp);
1314 M_DLD(d, REG_PV, disp);
1316 emit_store_dst(jd, iptr, d);
1319 case ICMD_F2I: /* ..., value ==> ..., (int) value */
1321 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1322 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1323 disp = dseg_add_unique_double(cd, 0.0);
1324 M_CVTDL_C(s1, REG_FTMP2);
1325 M_CVTLI(REG_FTMP2, REG_FTMP3);
1326 M_DST(REG_FTMP3, REG_PV, disp);
1327 M_ILD(d, REG_PV, disp);
1328 emit_store_dst(jd, iptr, d);
1331 case ICMD_F2L: /* ..., value ==> ..., (long) value */
1333 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1334 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1335 disp = dseg_add_unique_double(cd, 0.0);
1336 M_CVTDL_C(s1, REG_FTMP2);
1337 M_DST(REG_FTMP2, REG_PV, disp);
1338 M_LLD(d, REG_PV, disp);
1339 emit_store_dst(jd, iptr, d);
1342 case ICMD_F2D: /* ..., value ==> ..., (double) value */
1344 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1345 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1348 emit_store_dst(jd, iptr, d);
1351 case ICMD_D2F: /* ..., value ==> ..., (float) value */
1353 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1354 d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
1361 emit_store_dst(jd, iptr, d);
1364 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1366 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1367 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1368 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1370 M_LSUB_IMM(REG_ZERO, 1, d);
1371 M_FCMPEQ(s1, s2, REG_FTMP3);
1372 M_FBEQZ (REG_FTMP3, 1); /* jump over next instructions */
1374 M_FCMPLT(s2, s1, REG_FTMP3);
1375 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1376 M_LADD_IMM(REG_ZERO, 1, d);
1378 M_LSUB_IMM(REG_ZERO, 1, d);
1379 M_FCMPEQS(s1, s2, REG_FTMP3);
1381 M_FBEQZ (REG_FTMP3, 1); /* jump over next instructions */
1383 M_FCMPLTS(s2, s1, REG_FTMP3);
1385 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1386 M_LADD_IMM(REG_ZERO, 1, d);
1388 emit_store_dst(jd, iptr, d);
1391 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1393 s1 = emit_load_s1(jd, iptr, REG_FTMP1);
1394 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1395 d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
1397 M_LADD_IMM(REG_ZERO, 1, d);
1398 M_FCMPEQ(s1, s2, REG_FTMP3);
1399 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1401 M_FCMPLT(s1, s2, REG_FTMP3);
1402 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1403 M_LSUB_IMM(REG_ZERO, 1, d);
1405 M_LADD_IMM(REG_ZERO, 1, d);
1406 M_FCMPEQS(s1, s2, REG_FTMP3);
1408 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1410 M_FCMPLTS(s1, s2, REG_FTMP3);
1412 M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
1413 M_LSUB_IMM(REG_ZERO, 1, d);
1415 emit_store_dst(jd, iptr, d);
1419 /* memory operations **************************************************/
1421 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1423 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1424 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1425 /* implicit null-pointer check */
1426 M_ILD(d, s1, OFFSET(java_array_t, size));
1427 emit_store_dst(jd, iptr, d);
1430 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1432 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1433 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1434 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1435 /* implicit null-pointer check */
1436 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1437 if (has_ext_instr_set) {
1438 M_LADD(s2, s1, REG_ITMP1);
1439 M_BLDU(d, REG_ITMP1, OFFSET (java_bytearray_t, data[0]));
1443 M_LADD(s2, s1, REG_ITMP1);
1444 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1445 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0])+1);
1446 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1447 M_SRA_IMM(d, 56, d);
1449 emit_store_dst(jd, iptr, d);
1452 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1454 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1455 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1456 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1457 /* implicit null-pointer check */
1458 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1459 if (has_ext_instr_set) {
1460 M_LADD(s2, s1, REG_ITMP1);
1461 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1462 M_SLDU(d, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1465 M_LADD (s2, s1, REG_ITMP1);
1466 M_LADD (s2, REG_ITMP1, REG_ITMP1);
1467 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1468 M_LDA (REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1469 M_EXTWL(REG_ITMP2, REG_ITMP1, d);
1471 emit_store_dst(jd, iptr, d);
1474 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1476 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1477 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1478 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1479 /* implicit null-pointer check */
1480 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1481 if (has_ext_instr_set) {
1482 M_LADD(s2, s1, REG_ITMP1);
1483 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1484 M_SLDU( d, REG_ITMP1, OFFSET (java_shortarray_t, data[0]));
1487 M_LADD(s2, s1, REG_ITMP1);
1488 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1489 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1490 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0])+2);
1491 M_EXTQH(REG_ITMP2, REG_ITMP1, d);
1492 M_SRA_IMM(d, 48, d);
1494 emit_store_dst(jd, iptr, d);
1497 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1499 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1500 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1501 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1502 /* implicit null-pointer check */
1503 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1504 M_S4ADDQ(s2, s1, REG_ITMP1);
1505 M_ILD(d, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1506 emit_store_dst(jd, iptr, d);
1509 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1511 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1512 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1513 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1514 /* implicit null-pointer check */
1515 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1516 M_S8ADDQ(s2, s1, REG_ITMP1);
1517 M_LLD(d, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1518 emit_store_dst(jd, iptr, d);
1521 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1523 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1524 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1525 d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1526 /* implicit null-pointer check */
1527 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1528 M_S4ADDQ(s2, s1, REG_ITMP1);
1529 M_FLD(d, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1530 emit_store_dst(jd, iptr, d);
1533 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1535 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1536 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1537 d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
1538 /* implicit null-pointer check */
1539 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1540 M_S8ADDQ(s2, s1, REG_ITMP1);
1541 M_DLD(d, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1542 emit_store_dst(jd, iptr, d);
1545 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1547 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1548 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1549 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1550 /* implicit null-pointer check */
1551 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1552 M_SAADDQ(s2, s1, REG_ITMP1);
1553 M_ALD(d, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1554 emit_store_dst(jd, iptr, d);
1558 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1560 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1561 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1562 /* implicit null-pointer check */
1563 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1564 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1565 if (has_ext_instr_set) {
1566 M_LADD(s2, s1, REG_ITMP1);
1567 M_BST(s3, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1570 M_LADD(s2, s1, REG_ITMP1);
1571 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1572 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1573 M_INSBL(s3, REG_ITMP1, REG_ITMP3);
1574 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1575 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1576 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1580 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1582 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1583 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1584 /* implicit null-pointer check */
1585 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1586 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1587 if (has_ext_instr_set) {
1588 M_LADD(s2, s1, REG_ITMP1);
1589 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1590 M_SST(s3, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1593 M_LADD(s2, s1, REG_ITMP1);
1594 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1595 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1596 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1597 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1598 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1599 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1600 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1604 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1606 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1607 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1608 /* implicit null-pointer check */
1609 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1610 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1611 if (has_ext_instr_set) {
1612 M_LADD(s2, s1, REG_ITMP1);
1613 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1614 M_SST(s3, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1617 M_LADD(s2, s1, REG_ITMP1);
1618 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1619 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1620 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1621 M_INSWL(s3, REG_ITMP1, REG_ITMP3);
1622 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1623 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1624 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1628 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1630 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1631 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1632 /* implicit null-pointer check */
1633 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1634 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1635 M_S4ADDQ(s2, s1, REG_ITMP1);
1636 M_IST(s3, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1639 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1641 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1642 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1643 /* implicit null-pointer check */
1644 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1645 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1646 M_S8ADDQ(s2, s1, REG_ITMP1);
1647 M_LST(s3, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1650 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1652 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1653 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1654 /* implicit null-pointer check */
1655 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1656 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1657 M_S4ADDQ(s2, s1, REG_ITMP1);
1658 M_FST(s3, REG_ITMP1, OFFSET(java_floatarray_t, data[0]));
1661 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1663 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1664 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1665 /* implicit null-pointer check */
1666 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1667 s3 = emit_load_s3(jd, iptr, REG_FTMP3);
1668 M_S8ADDQ(s2, s1, REG_ITMP1);
1669 M_DST(s3, REG_ITMP1, OFFSET(java_doublearray_t, data[0]));
1672 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1674 s1 = emit_load_s1(jd, iptr, REG_A0);
1675 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1676 /* implicit null-pointer check */
1677 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1678 s3 = emit_load_s3(jd, iptr, REG_A1);
1680 M_INTMOVE(s1, REG_A0);
1681 M_INTMOVE(s3, REG_A1);
1683 disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
1684 M_ALD(REG_PV, REG_PV, disp);
1685 M_JSR(REG_RA, REG_PV);
1686 disp = (s4) (cd->mcodeptr - cd->mcodebase);
1687 M_LDA(REG_PV, REG_RA, -disp);
1688 emit_arraystore_check(cd, iptr);
1690 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1691 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1692 s3 = emit_load_s3(jd, iptr, REG_ITMP3);
1693 M_SAADDQ(s2, s1, REG_ITMP1);
1694 M_AST(s3, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1698 case ICMD_BASTORECONST: /* ..., arrayref, index ==> ... */
1700 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1701 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1702 /* implicit null-pointer check */
1703 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1704 if (has_ext_instr_set) {
1705 M_LADD(s2, s1, REG_ITMP1);
1706 M_BST(REG_ZERO, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1709 M_LADD(s2, s1, REG_ITMP1);
1710 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1711 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_bytearray_t, data[0]));
1712 M_INSBL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1713 M_MSKBL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1714 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1715 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1719 case ICMD_CASTORECONST: /* ..., arrayref, index ==> ... */
1721 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1722 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1723 /* implicit null-pointer check */
1724 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1725 if (has_ext_instr_set) {
1726 M_LADD(s2, s1, REG_ITMP1);
1727 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1728 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1731 M_LADD(s2, s1, REG_ITMP1);
1732 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1733 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1734 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_chararray_t, data[0]));
1735 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1736 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1737 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1738 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1742 case ICMD_SASTORECONST: /* ..., arrayref, index ==> ... */
1744 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1745 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1746 /* implicit null-pointer check */
1747 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1748 if (has_ext_instr_set) {
1749 M_LADD(s2, s1, REG_ITMP1);
1750 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1751 M_SST(REG_ZERO, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1754 M_LADD(s2, s1, REG_ITMP1);
1755 M_LADD(s2, REG_ITMP1, REG_ITMP1);
1756 M_LLD_U(REG_ITMP2, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1757 M_LDA(REG_ITMP1, REG_ITMP1, OFFSET(java_shortarray_t, data[0]));
1758 M_INSWL(REG_ZERO, REG_ITMP1, REG_ITMP3);
1759 M_MSKWL(REG_ITMP2, REG_ITMP1, REG_ITMP2);
1760 M_OR(REG_ITMP2, REG_ITMP3, REG_ITMP2);
1761 M_LST_U(REG_ITMP2, REG_ITMP1, 0);
1765 case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */
1767 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1768 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1769 /* implicit null-pointer check */
1770 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1771 M_S4ADDQ(s2, s1, REG_ITMP1);
1772 M_IST(REG_ZERO, REG_ITMP1, OFFSET(java_intarray_t, data[0]));
1775 case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */
1777 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1778 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1779 /* implicit null-pointer check */
1780 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1781 M_S8ADDQ(s2, s1, REG_ITMP1);
1782 M_LST(REG_ZERO, REG_ITMP1, OFFSET(java_longarray_t, data[0]));
1785 case ICMD_AASTORECONST: /* ..., arrayref, index ==> ... */
1787 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1788 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1789 /* implicit null-pointer check */
1790 emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
1791 M_SAADDQ(s2, s1, REG_ITMP1);
1792 M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
1796 case ICMD_GETSTATIC: /* ... ==> ..., value */
1798 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1799 uf = iptr->sx.s23.s3.uf;
1800 fieldtype = uf->fieldref->parseddesc.fd->type;
1801 disp = dseg_add_unique_address(cd, uf);
1803 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1806 fi = iptr->sx.s23.s3.fmiref->p.field;
1807 fieldtype = fi->type;
1808 disp = dseg_add_address(cd, fi->value);
1810 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1811 patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1815 M_ALD(REG_ITMP1, REG_PV, disp);
1816 switch (fieldtype) {
1818 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1819 M_ILD(d, REG_ITMP1, 0);
1822 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1823 M_LLD(d, REG_ITMP1, 0);
1826 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1827 M_ALD(d, REG_ITMP1, 0);
1830 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1831 M_FLD(d, REG_ITMP1, 0);
1834 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1835 M_DLD(d, REG_ITMP1, 0);
1838 emit_store_dst(jd, iptr, d);
1841 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1843 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1844 uf = iptr->sx.s23.s3.uf;
1845 fieldtype = uf->fieldref->parseddesc.fd->type;
1846 disp = dseg_add_unique_address(cd, uf);
1848 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1851 fi = iptr->sx.s23.s3.fmiref->p.field;
1852 fieldtype = fi->type;
1853 disp = dseg_add_address(cd, fi->value);
1855 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1856 patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1860 M_ALD(REG_ITMP1, REG_PV, disp);
1861 switch (fieldtype) {
1863 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1864 M_IST(s1, REG_ITMP1, 0);
1867 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1868 M_LST(s1, REG_ITMP1, 0);
1871 s1 = emit_load_s1(jd, iptr, REG_ITMP2);
1872 M_AST(s1, REG_ITMP1, 0);
1875 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1876 M_FST(s1, REG_ITMP1, 0);
1879 s1 = emit_load_s1(jd, iptr, REG_FTMP2);
1880 M_DST(s1, REG_ITMP1, 0);
1885 case ICMD_PUTSTATICCONST: /* ... ==> ... */
1886 /* val = value (in current instruction) */
1887 /* following NOP) */
1889 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1890 uf = iptr->sx.s23.s3.uf;
1891 fieldtype = uf->fieldref->parseddesc.fd->type;
1892 disp = dseg_add_unique_address(cd, uf);
1894 patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
1897 fi = iptr->sx.s23.s3.fmiref->p.field;
1898 fieldtype = fi->type;
1899 disp = dseg_add_address(cd, fi->value);
1901 if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
1902 patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
1906 M_ALD(REG_ITMP1, REG_PV, disp);
1907 switch (fieldtype) {
1909 M_IST(REG_ZERO, REG_ITMP1, 0);
1912 M_LST(REG_ZERO, REG_ITMP1, 0);
1915 M_AST(REG_ZERO, REG_ITMP1, 0);
1918 M_FST(REG_ZERO, REG_ITMP1, 0);
1921 M_DST(REG_ZERO, REG_ITMP1, 0);
1927 case ICMD_GETFIELD: /* ... ==> ..., value */
1929 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1931 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1932 uf = iptr->sx.s23.s3.uf;
1933 fieldtype = uf->fieldref->parseddesc.fd->type;
1936 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1939 fi = iptr->sx.s23.s3.fmiref->p.field;
1940 fieldtype = fi->type;
1944 /* implicit null-pointer check */
1945 switch (fieldtype) {
1947 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1951 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1955 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
1959 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1963 d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
1967 emit_store_dst(jd, iptr, d);
1970 case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
1972 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
1974 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1975 uf = iptr->sx.s23.s3.uf;
1976 fieldtype = uf->fieldref->parseddesc.fd->type;
1981 fi = iptr->sx.s23.s3.fmiref->p.field;
1982 fieldtype = fi->type;
1986 if (IS_INT_LNG_TYPE(fieldtype))
1987 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
1989 s2 = emit_load_s2(jd, iptr, REG_FTMP2);
1991 if (INSTRUCTION_IS_UNRESOLVED(iptr))
1992 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
1994 /* implicit null-pointer check */
1995 switch (fieldtype) {
1997 M_IST(s2, s1, disp);
2000 M_LST(s2, s1, disp);
2003 M_AST(s2, s1, disp);
2006 M_FST(s2, s1, disp);
2009 M_DST(s2, s1, disp);
2014 case ICMD_PUTFIELDCONST: /* ..., objectref ==> ... */
2015 /* val = value (in current instruction) */
2016 /* following NOP) */
2018 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2020 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2021 uf = iptr->sx.s23.s3.uf;
2022 fieldtype = uf->fieldref->parseddesc.fd->type;
2025 patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
2028 fi = iptr->sx.s23.s3.fmiref->p.field;
2029 fieldtype = fi->type;
2033 /* implicit null-pointer check */
2034 switch (fieldtype) {
2036 M_IST(REG_ZERO, s1, disp);
2039 M_LST(REG_ZERO, s1, disp);
2042 M_AST(REG_ZERO, s1, disp);
2045 M_FST(REG_ZERO, s1, disp);
2048 M_DST(REG_ZERO, s1, disp);
2054 /* branch operations **************************************************/
2056 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
2058 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2059 M_INTMOVE(s1, REG_ITMP1_XPTR);
2061 #ifdef ENABLE_VERIFIER
2062 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2063 unresolved_class *uc = iptr->sx.s23.s2.uc;
2065 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2067 #endif /* ENABLE_VERIFIER */
2069 disp = dseg_add_functionptr(cd, asm_handle_exception);
2070 M_ALD(REG_ITMP2, REG_PV, disp);
2071 M_JMP(REG_ITMP2_XPC, REG_ITMP2);
2072 M_NOP; /* nop ensures that XPC is less than the end */
2073 /* of basic block */
2077 case ICMD_GOTO: /* ... ==> ... */
2078 case ICMD_RET: /* ... ==> ... */
2080 emit_br(cd, iptr->dst.block);
2084 case ICMD_JSR: /* ... ==> ... */
2086 emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
2090 case ICMD_IFNULL: /* ..., value ==> ... */
2091 case ICMD_IFNONNULL:
2093 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2094 emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
2097 case ICMD_IFEQ: /* ..., value ==> ... */
2099 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2100 if (iptr->sx.val.i == 0)
2101 emit_beqz(cd, iptr->dst.block, s1);
2103 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2104 M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2106 ICONST(REG_ITMP2, iptr->sx.val.i);
2107 M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2109 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2113 case ICMD_IFLT: /* ..., value ==> ... */
2115 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2116 if (iptr->sx.val.i == 0)
2117 emit_bltz(cd, iptr->dst.block, s1);
2119 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2120 M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2122 ICONST(REG_ITMP2, iptr->sx.val.i);
2123 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2125 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2129 case ICMD_IFLE: /* ..., value ==> ... */
2131 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2132 if (iptr->sx.val.i == 0)
2133 emit_blez(cd, iptr->dst.block, s1);
2135 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2136 M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2138 ICONST(REG_ITMP2, iptr->sx.val.i);
2139 M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2141 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2145 case ICMD_IFNE: /* ..., value ==> ... */
2147 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2148 if (iptr->sx.val.i == 0)
2149 emit_bnez(cd, iptr->dst.block, s1);
2151 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2152 M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2154 ICONST(REG_ITMP2, iptr->sx.val.i);
2155 M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2157 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2161 case ICMD_IFGT: /* ..., value ==> ... */
2163 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2164 if (iptr->sx.val.i == 0)
2165 emit_bgtz(cd, iptr->dst.block, s1);
2167 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2168 M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2170 ICONST(REG_ITMP2, iptr->sx.val.i);
2171 M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2173 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2177 case ICMD_IFGE: /* ..., value ==> ... */
2179 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2180 if (iptr->sx.val.i == 0)
2181 emit_bgez(cd, iptr->dst.block, s1);
2183 if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
2184 M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
2186 ICONST(REG_ITMP2, iptr->sx.val.i);
2187 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2189 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2193 case ICMD_IF_LEQ: /* ..., value ==> ... */
2195 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2196 if (iptr->sx.val.l == 0)
2197 emit_beqz(cd, iptr->dst.block, s1);
2199 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2200 M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2202 LCONST(REG_ITMP2, iptr->sx.val.l);
2203 M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2205 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2209 case ICMD_IF_LLT: /* ..., value ==> ... */
2211 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2212 if (iptr->sx.val.l == 0)
2213 emit_bltz(cd, iptr->dst.block, s1);
2215 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2216 M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2218 LCONST(REG_ITMP2, iptr->sx.val.l);
2219 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2221 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2225 case ICMD_IF_LLE: /* ..., value ==> ... */
2227 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2228 if (iptr->sx.val.l == 0)
2229 emit_blez(cd, iptr->dst.block, s1);
2231 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2232 M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2234 LCONST(REG_ITMP2, iptr->sx.val.l);
2235 M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2237 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2241 case ICMD_IF_LNE: /* ..., value ==> ... */
2243 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2244 if (iptr->sx.val.l == 0)
2245 emit_bnez(cd, iptr->dst.block, s1);
2247 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2248 M_CMPEQ_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2250 LCONST(REG_ITMP2, iptr->sx.val.l);
2251 M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
2253 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2257 case ICMD_IF_LGT: /* ..., value ==> ... */
2259 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2260 if (iptr->sx.val.l == 0)
2261 emit_bgtz(cd, iptr->dst.block, s1);
2263 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2264 M_CMPLE_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2266 LCONST(REG_ITMP2, iptr->sx.val.l);
2267 M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
2269 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2273 case ICMD_IF_LGE: /* ..., value ==> ... */
2275 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2276 if (iptr->sx.val.l == 0)
2277 emit_bgez(cd, iptr->dst.block, s1);
2279 if ((iptr->sx.val.l > 0) && (iptr->sx.val.l <= 255))
2280 M_CMPLT_IMM(s1, iptr->sx.val.l, REG_ITMP1);
2282 LCONST(REG_ITMP2, iptr->sx.val.l);
2283 M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
2285 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2289 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
2290 case ICMD_IF_LCMPEQ: /* op1 = target JavaVM pc */
2291 case ICMD_IF_ACMPEQ:
2293 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2294 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2295 M_CMPEQ(s1, s2, REG_ITMP1);
2296 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2299 case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
2300 case ICMD_IF_LCMPNE: /* op1 = target JavaVM pc */
2301 case ICMD_IF_ACMPNE:
2303 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2304 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2305 M_CMPEQ(s1, s2, REG_ITMP1);
2306 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2309 case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
2310 case ICMD_IF_LCMPLT: /* op1 = target JavaVM pc */
2312 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2313 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2314 M_CMPLT(s1, s2, REG_ITMP1);
2315 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2318 case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
2319 case ICMD_IF_LCMPGT: /* op1 = target JavaVM pc */
2321 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2322 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2323 M_CMPLE(s1, s2, REG_ITMP1);
2324 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2327 case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
2328 case ICMD_IF_LCMPLE: /* op1 = target JavaVM pc */
2330 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2331 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2332 M_CMPLE(s1, s2, REG_ITMP1);
2333 emit_bnez(cd, iptr->dst.block, REG_ITMP1);
2336 case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
2337 case ICMD_IF_LCMPGE: /* op1 = target JavaVM pc */
2339 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2340 s2 = emit_load_s2(jd, iptr, REG_ITMP2);
2341 M_CMPLT(s1, s2, REG_ITMP1);
2342 emit_beqz(cd, iptr->dst.block, REG_ITMP1);
2346 case ICMD_IRETURN: /* ..., retvalue ==> ... */
2349 REPLACEMENT_POINT_RETURN(cd, iptr);
2350 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2351 M_INTMOVE(s1, REG_RESULT);
2352 goto nowperformreturn;
2354 case ICMD_ARETURN: /* ..., retvalue ==> ... */
2356 REPLACEMENT_POINT_RETURN(cd, iptr);
2357 s1 = emit_load_s1(jd, iptr, REG_RESULT);
2358 M_INTMOVE(s1, REG_RESULT);
2360 #ifdef ENABLE_VERIFIER
2361 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2362 unresolved_class *uc = iptr->sx.s23.s2.uc;
2364 patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
2366 #endif /* ENABLE_VERIFIER */
2367 goto nowperformreturn;
2369 case ICMD_FRETURN: /* ..., retvalue ==> ... */
2372 REPLACEMENT_POINT_RETURN(cd, iptr);
2373 s1 = emit_load_s1(jd, iptr, REG_FRESULT);
2374 M_FLTMOVE(s1, REG_FRESULT);
2375 goto nowperformreturn;
2377 case ICMD_RETURN: /* ... ==> ... */
2379 REPLACEMENT_POINT_RETURN(cd, iptr);
2385 p = cd->stackframesize;
2387 /* call trace function */
2389 #if !defined(NDEBUG)
2390 if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
2391 emit_verbosecall_exit(jd);
2394 #if defined(ENABLE_THREADS)
2395 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
2396 M_ALD(REG_A0, REG_SP, rd->memuse * 8);
2398 switch (iptr->opc) {
2402 M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
2406 M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
2410 disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
2411 M_ALD(REG_PV, REG_PV, disp);
2412 M_JSR(REG_RA, REG_PV);
2413 disp = -(s4) (cd->mcodeptr - cd->mcodebase);
2414 M_LDA(REG_PV, REG_RA, disp);
2416 switch (iptr->opc) {
2420 M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
2424 M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
2430 /* restore return address */
2432 if (!code_is_leafmethod(code)) {
2433 p--; M_LLD(REG_RA, REG_SP, p * 8);
2436 /* restore saved registers */
2438 for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
2439 p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
2441 for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
2442 p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
2445 /* deallocate stack */
2447 if (cd->stackframesize)
2448 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
2450 M_RET(REG_ZERO, REG_RA);
2456 case ICMD_TABLESWITCH: /* ..., index ==> ... */
2459 branch_target_t *table;
2461 table = iptr->dst.table;
2463 l = iptr->sx.s23.s2.tablelow;
2464 i = iptr->sx.s23.s3.tablehigh;
2466 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2468 M_INTMOVE(s1, REG_ITMP1);
2469 } else if (l <= 32768) {
2470 M_LDA(REG_ITMP1, s1, -l);
2472 ICONST(REG_ITMP2, l);
2473 M_ISUB(s1, REG_ITMP2, REG_ITMP1);
2476 /* number of targets */
2482 M_CMPULE_IMM(REG_ITMP1, i - 1, REG_ITMP2);
2484 M_LDA(REG_ITMP2, REG_ZERO, i - 1);
2485 M_CMPULE(REG_ITMP1, REG_ITMP2, REG_ITMP2);
2487 emit_beqz(cd, table[0].block, REG_ITMP2);
2489 /* build jump table top down and use address of lowest entry */
2494 dseg_add_target(cd, table->block);
2499 /* length of dataseg after last dseg_add_target is used by load */
2501 M_SAADDQ(REG_ITMP1, REG_PV, REG_ITMP2);
2502 M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
2503 M_JMP(REG_ZERO, REG_ITMP2);
2508 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
2511 lookup_target_t *lookup;
2513 lookup = iptr->dst.lookup;
2515 i = iptr->sx.s23.s2.lookupcount;
2517 MCODECHECK((i<<2)+8);
2518 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2521 val = lookup->value;
2522 if ((val >= 0) && (val <= 255)) {
2523 M_CMPEQ_IMM(s1, val, REG_ITMP2);
2525 if ((val >= -32768) && (val <= 32767)) {
2526 M_LDA(REG_ITMP2, REG_ZERO, val);
2528 disp = dseg_add_s4(cd, val);
2529 M_ILD(REG_ITMP2, REG_PV, disp);
2531 M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
2533 emit_bnez(cd, lookup->target.block, REG_ITMP2);
2537 emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
2543 case ICMD_BUILTIN: /* ..., arg1, arg2, arg3 ==> ... */
2545 REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
2547 bte = iptr->sx.s23.s3.bte;
2551 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
2553 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
2554 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
2555 case ICMD_INVOKEINTERFACE:
2557 REPLACEMENT_POINT_INVOKE(cd, iptr);
2559 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2561 um = iptr->sx.s23.s3.um;
2562 md = um->methodref->parseddesc.md;
2565 lm = iptr->sx.s23.s3.fmiref->p.method;
2567 md = lm->parseddesc;
2571 s3 = md->paramcount;
2573 MCODECHECK((s3 << 1) + 64);
2575 /* copy arguments to registers or stack location */
2577 for (s3 = s3 - 1; s3 >= 0; s3--) {
2578 var = VAR(iptr->sx.s23.s2.args[s3]);
2579 d = md->params[s3].regoff;
2581 /* already preallocated (ARGVAR)? */
2583 if (var->flags & PREALLOC)
2586 if (IS_INT_LNG_TYPE(var->type)) {
2587 if (!md->params[s3].inmemory) {
2588 s1 = emit_load(jd, iptr, var, d);
2592 s1 = emit_load(jd, iptr, var, REG_ITMP1);
2593 M_LST(s1, REG_SP, d);
2597 if (!md->params[s3].inmemory) {
2598 s1 = emit_load(jd, iptr, var, d);
2602 s1 = emit_load(jd, iptr, var, REG_FTMP1);
2603 M_DST(s1, REG_SP, d);
2608 switch (iptr->opc) {
2610 if (bte->stub == NULL)
2611 disp = dseg_add_functionptr(cd, bte->fp);
2613 disp = dseg_add_functionptr(cd, bte->stub);
2615 M_ALD(REG_PV, REG_PV, disp); /* Pointer to built-in-function */
2617 /* generate the actual call */
2619 M_JSR(REG_RA, REG_PV);
2620 REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
2621 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2622 M_LDA(REG_PV, REG_RA, -disp);
2625 case ICMD_INVOKESPECIAL:
2626 emit_nullpointer_check(cd, iptr, REG_A0);
2629 case ICMD_INVOKESTATIC:
2631 disp = dseg_add_unique_address(cd, um);
2633 patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
2637 disp = dseg_add_address(cd, lm->stubroutine);
2639 M_ALD(REG_PV, REG_PV, disp); /* method pointer in r27 */
2641 /* generate the actual call */
2643 M_JSR(REG_RA, REG_PV);
2644 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2645 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2646 M_LDA(REG_PV, REG_RA, -disp);
2649 case ICMD_INVOKEVIRTUAL:
2651 patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
2656 s1 = OFFSET(vftbl_t, table[0]) +
2657 sizeof(methodptr) * lm->vftblindex;
2659 /* implicit null-pointer check */
2660 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2661 M_ALD(REG_PV, REG_METHODPTR, s1);
2663 /* generate the actual call */
2665 M_JSR(REG_RA, REG_PV);
2666 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2667 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2668 M_LDA(REG_PV, REG_RA, -disp);
2671 case ICMD_INVOKEINTERFACE:
2673 patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
2679 s1 = OFFSET(vftbl_t, interfacetable[0]) -
2680 sizeof(methodptr*) * lm->class->index;
2682 s2 = sizeof(methodptr) * (lm - lm->class->methods);
2685 /* implicit null-pointer check */
2686 M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
2687 M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
2688 M_ALD(REG_PV, REG_METHODPTR, s2);
2690 /* generate the actual call */
2692 M_JSR(REG_RA, REG_PV);
2693 REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
2694 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2695 M_LDA(REG_PV, REG_RA, -disp);
2699 /* store the return value */
2701 d = md->returntype.type;
2703 if (d != TYPE_VOID) {
2704 if (IS_INT_LNG_TYPE(d)) {
2705 s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
2706 M_INTMOVE(REG_RESULT, s1);
2709 s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
2710 M_FLTMOVE(REG_FRESULT, s1);
2712 emit_store_dst(jd, iptr, s1);
2717 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
2719 if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
2720 /* object type cast-check */
2725 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2730 super = iptr->sx.s23.s3.c.cls;
2731 superindex = super->index;
2734 if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2735 CODEGEN_CRITICAL_SECTION_NEW;
2737 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2739 /* if class is not resolved, check which code to call */
2741 if (super == NULL) {
2742 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2744 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2746 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2747 iptr->sx.s23.s3.c.ref,
2750 M_ILD(REG_ITMP2, REG_PV, disp);
2751 disp = dseg_add_s4(cd, ACC_INTERFACE);
2752 M_ILD(REG_ITMP3, REG_PV, disp);
2753 M_AND(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2754 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP2);
2757 /* interface checkcast code */
2759 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2760 if (super == NULL) {
2761 patcher_add_patch_ref(jd,
2762 PATCHER_checkcast_interface,
2763 iptr->sx.s23.s3.c.ref,
2767 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2769 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2770 M_ILD(REG_ITMP3, REG_ITMP2,
2771 OFFSET(vftbl_t, interfacetablelength));
2772 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2773 emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
2775 M_ALD(REG_ITMP3, REG_ITMP2,
2776 (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2777 superindex * sizeof(methodptr*)));
2778 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2781 emit_label_br(cd, BRANCH_LABEL_4);
2783 emit_label(cd, BRANCH_LABEL_3);
2786 /* class checkcast code */
2788 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2789 if (super == NULL) {
2790 emit_label(cd, BRANCH_LABEL_2);
2792 disp = dseg_add_unique_address(cd, NULL);
2794 patcher_add_patch_ref(jd,
2795 PATCHER_resolve_classref_to_vftbl,
2796 iptr->sx.s23.s3.c.ref,
2800 disp = dseg_add_address(cd, super->vftbl);
2802 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2805 M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
2806 M_ALD(REG_ITMP3, REG_PV, disp);
2808 CODEGEN_CRITICAL_SECTION_START;
2810 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
2811 /* if (s1 != REG_ITMP1) { */
2812 /* M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
2813 /* M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
2814 /* #if defined(ENABLE_THREADS) */
2815 /* codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
2817 /* M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
2820 M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
2821 M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
2822 M_ALD(REG_ITMP3, REG_PV, disp);
2823 M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
2825 CODEGEN_CRITICAL_SECTION_END;
2828 M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
2829 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
2832 emit_label(cd, BRANCH_LABEL_5);
2835 if (super == NULL) {
2836 emit_label(cd, BRANCH_LABEL_1);
2837 emit_label(cd, BRANCH_LABEL_4);
2840 d = codegen_reg_of_dst(jd, iptr, s1);
2843 /* array type cast-check */
2845 s1 = emit_load_s1(jd, iptr, REG_A0);
2846 M_INTMOVE(s1, REG_A0);
2848 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2849 disp = dseg_add_unique_address(cd, NULL);
2851 patcher_add_patch_ref(jd,
2852 PATCHER_resolve_classref_to_classinfo,
2853 iptr->sx.s23.s3.c.ref,
2857 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
2859 M_ALD(REG_A1, REG_PV, disp);
2860 disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
2861 M_ALD(REG_PV, REG_PV, disp);
2862 M_JSR(REG_RA, REG_PV);
2863 disp = (s4) (cd->mcodeptr - cd->mcodebase);
2864 M_LDA(REG_PV, REG_RA, -disp);
2866 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2867 emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
2869 d = codegen_reg_of_dst(jd, iptr, s1);
2873 emit_store_dst(jd, iptr, d);
2876 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
2880 vftbl_t *supervftbl;
2883 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
2889 super = iptr->sx.s23.s3.c.cls;
2890 superindex = super->index;
2891 supervftbl = super->vftbl;
2894 if ((super == NULL) || !(super->flags & ACC_INTERFACE))
2895 CODEGEN_CRITICAL_SECTION_NEW;
2897 s1 = emit_load_s1(jd, iptr, REG_ITMP1);
2898 d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
2901 M_MOV(s1, REG_ITMP1);
2905 /* if class is not resolved, check which code to call */
2907 if (super == NULL) {
2909 emit_label_beqz(cd, BRANCH_LABEL_1, s1);
2911 disp = dseg_add_unique_s4(cd, 0); /* super->flags */
2913 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
2914 iptr->sx.s23.s3.c.ref, disp);
2916 M_ILD(REG_ITMP3, REG_PV, disp);
2918 disp = dseg_add_s4(cd, ACC_INTERFACE);
2919 M_ILD(REG_ITMP2, REG_PV, disp);
2920 M_AND(REG_ITMP3, REG_ITMP2, REG_ITMP3);
2921 emit_label_beqz(cd, BRANCH_LABEL_2, REG_ITMP3);
2924 /* interface instanceof code */
2926 if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
2927 if (super == NULL) {
2928 /* If d == REG_ITMP2, then it's destroyed in check
2933 patcher_add_patch_ref(jd,
2934 PATCHER_instanceof_interface,
2935 iptr->sx.s23.s3.c.ref, 0);
2939 emit_label_beqz(cd, BRANCH_LABEL_3, s1);
2942 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2943 M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
2944 M_LDA(REG_ITMP3, REG_ITMP3, -superindex);
2945 M_BLEZ(REG_ITMP3, 2);
2946 M_ALD(REG_ITMP1, REG_ITMP1,
2947 (s4) (OFFSET(vftbl_t, interfacetable[0]) -
2948 superindex * sizeof(methodptr*)));
2949 M_CMPULT(REG_ZERO, REG_ITMP1, d); /* REG_ITMP1 != 0 */
2952 emit_label_br(cd, BRANCH_LABEL_4);
2954 emit_label(cd, BRANCH_LABEL_3);
2957 /* class instanceof code */
2959 if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
2960 if (super == NULL) {
2961 emit_label(cd, BRANCH_LABEL_2);
2963 disp = dseg_add_unique_address(cd, NULL);
2965 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
2966 iptr->sx.s23.s3.c.ref,
2970 disp = dseg_add_address(cd, supervftbl);
2973 emit_label_beqz(cd, BRANCH_LABEL_5, s1);
2976 M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
2977 M_ALD(REG_ITMP2, REG_PV, disp);
2979 CODEGEN_CRITICAL_SECTION_START;
2981 M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
2982 M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
2983 M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
2985 CODEGEN_CRITICAL_SECTION_END;
2987 M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
2988 M_CMPULE(REG_ITMP1, REG_ITMP2, d);
2991 emit_label(cd, BRANCH_LABEL_5);
2994 if (super == NULL) {
2995 emit_label(cd, BRANCH_LABEL_1);
2996 emit_label(cd, BRANCH_LABEL_4);
2999 emit_store_dst(jd, iptr, d);
3003 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
3005 /* check for negative sizes and copy sizes to stack if necessary */
3007 MCODECHECK((iptr->s1.argcount << 1) + 64);
3009 for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
3011 var = VAR(iptr->sx.s23.s2.args[s1]);
3013 /* copy SAVEDVAR sizes to stack */
3015 /* Already Preallocated? */
3017 if (!(var->flags & PREALLOC)) {
3018 s2 = emit_load(jd, iptr, var, REG_ITMP1);
3019 M_LST(s2, REG_SP, s1 * 8);
3023 /* a0 = dimension count */
3025 ICONST(REG_A0, iptr->s1.argcount);
3027 /* is patcher function set? */
3029 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
3030 disp = dseg_add_unique_address(cd, 0);
3032 patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
3033 iptr->sx.s23.s3.c.ref,
3037 disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
3039 /* a1 = arraydescriptor */
3041 M_ALD(REG_A1, REG_PV, disp);
3043 /* a2 = pointer to dimensions = stack pointer */
3045 M_INTMOVE(REG_SP, REG_A2);
3047 disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
3048 M_ALD(REG_PV, REG_PV, disp);
3049 M_JSR(REG_RA, REG_PV);
3050 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3051 M_LDA(REG_PV, REG_RA, -disp);
3053 /* check for exception before result assignment */
3055 emit_exception_check(cd, iptr);
3057 d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
3058 M_INTMOVE(REG_RESULT, d);
3059 emit_store_dst(jd, iptr, d);
3063 exceptions_throw_internalerror("Unknown ICMD %d during code generation",
3068 } /* for instruction */
3070 } /* if (bptr -> flags >= BBREACHED) */
3071 } /* for basic block */
3073 dseg_createlinenumbertable(cd);
3075 /* generate traps */
3077 emit_patcher_traps(jd);
3079 /* everything's ok */
3085 /* codegen_emit_stub_native ****************************************************
3087 Emits a stub routine which calls a native method.
3089 *******************************************************************************/
3091 void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
3097 s4 i, j; /* count variables */
3100 s4 funcdisp; /* displacement of the function */
3102 /* get required compiler data */
3108 /* initialize variables */
3112 /* calculate stack frame size */
3114 cd->stackframesize =
3115 1 + /* return address */
3116 sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
3117 sizeof(localref_table) / SIZEOF_VOID_P +
3118 1 + /* methodinfo for call trace */
3122 /* create method header */
3124 (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
3125 (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
3126 (void) dseg_add_unique_s4(cd, 0); /* IsSync */
3127 (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
3128 (void) dseg_add_unique_s4(cd, 0); /* IntSave */
3129 (void) dseg_add_unique_s4(cd, 0); /* FltSave */
3130 (void) dseg_addlinenumbertablesize(cd);
3131 (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
3133 /* generate stub code */
3135 M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
3136 M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
3138 /* get function address (this must happen before the stackframeinfo) */
3140 funcdisp = dseg_add_functionptr(cd, f);
3143 patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
3145 #if defined(ENABLE_GC_CACAO)
3146 /* Save callee saved integer registers in stackframeinfo (GC may
3147 need to recover them during a collection). */
3149 disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo_t) +
3150 OFFSET(stackframeinfo_t, intregs);
3152 for (i = 0; i < INT_SAV_CNT; i++)
3153 M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
3156 /* save integer and float argument registers */
3158 for (i = 0; i < md->paramcount; i++) {
3159 if (!md->params[i].inmemory) {
3160 s1 = md->params[i].regoff;
3162 switch (md->paramtypes[i].type) {
3166 M_LST(s1, REG_SP, i * 8);
3169 M_FST(s1, REG_SP, i * 8);
3172 M_DST(s1, REG_SP, i * 8);
3178 /* prepare data structures for native function call */
3180 M_MOV(REG_SP, REG_A0);
3181 M_MOV(REG_PV, REG_A1);
3182 disp = dseg_add_functionptr(cd, codegen_start_native_call);
3183 M_ALD(REG_PV, REG_PV, disp);
3184 M_JSR(REG_RA, REG_PV);
3185 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3186 M_LDA(REG_PV, REG_RA, -disp);
3188 /* remember class argument */
3190 if (m->flags & ACC_STATIC)
3191 M_MOV(REG_RESULT, REG_ITMP3);
3193 /* restore integer and float argument registers */
3195 for (i = 0; i < md->paramcount; i++) {
3196 if (!md->params[i].inmemory) {
3197 s1 = md->params[i].regoff;
3199 switch (md->paramtypes[i].type) {
3203 M_LLD(s1, REG_SP, i * 8);
3206 M_FLD(s1, REG_SP, i * 8);
3209 M_DLD(s1, REG_SP, i * 8);
3215 /* copy or spill arguments to new locations */
3217 for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
3218 t = md->paramtypes[i].type;
3220 if (IS_INT_LNG_TYPE(t)) {
3221 if (!md->params[i].inmemory) {
3222 s1 = md->params[i].regoff;
3223 s2 = nmd->params[j].regoff;
3225 if (!nmd->params[j].inmemory)
3228 M_LST(s1, REG_SP, s2);
3231 s1 = md->params[i].regoff + cd->stackframesize * 8;
3232 s2 = nmd->params[j].regoff;
3233 M_LLD(REG_ITMP1, REG_SP, s1);
3234 M_LST(REG_ITMP1, REG_SP, s2);
3238 if (!md->params[i].inmemory) {
3239 s1 = md->params[i].regoff;
3240 s2 = nmd->params[j].regoff;
3242 if (!nmd->params[j].inmemory)
3245 if (IS_2_WORD_TYPE(t))
3246 M_DST(s1, REG_SP, s2);
3248 M_FST(s1, REG_SP, s2);
3252 s1 = md->params[i].regoff + cd->stackframesize * 8;
3253 s2 = nmd->params[j].regoff;
3254 M_DLD(REG_FTMP1, REG_SP, s1);
3255 if (IS_2_WORD_TYPE(t))
3256 M_DST(REG_FTMP1, REG_SP, s2);
3258 M_FST(REG_FTMP1, REG_SP, s2);
3263 /* Handle native Java methods. */
3265 if (m->flags & ACC_NATIVE) {
3266 /* put class into second argument register */
3268 if (m->flags & ACC_STATIC)
3269 M_MOV(REG_ITMP3, REG_A1);
3271 /* put env into first argument register */
3273 disp = dseg_add_address(cd, _Jv_env);
3274 M_ALD(REG_A0, REG_PV, disp);
3277 /* do the native function call */
3279 M_ALD(REG_PV, REG_PV, funcdisp);
3280 M_JSR(REG_RA, REG_PV); /* call native method */
3281 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3282 M_LDA(REG_PV, REG_RA, -disp); /* recompute pv from ra */
3284 /* save return value */
3286 switch (md->returntype.type) {
3290 M_LST(REG_RESULT, REG_SP, 0 * 8);
3293 M_FST(REG_FRESULT, REG_SP, 0 * 8);
3296 M_DST(REG_FRESULT, REG_SP, 0 * 8);
3302 /* remove native stackframe info */
3304 M_MOV(REG_SP, REG_A0);
3305 M_MOV(REG_PV, REG_A1);
3306 disp = dseg_add_functionptr(cd, codegen_finish_native_call);
3307 M_ALD(REG_PV, REG_PV, disp);
3308 M_JSR(REG_RA, REG_PV);
3309 disp = (s4) (cd->mcodeptr - cd->mcodebase);
3310 M_LDA(REG_PV, REG_RA, -disp);
3311 M_MOV(REG_RESULT, REG_ITMP1_XPTR);
3313 /* restore return value */
3315 switch (md->returntype.type) {
3319 M_LLD(REG_RESULT, REG_SP, 0 * 8);
3322 M_FLD(REG_FRESULT, REG_SP, 0 * 8);
3325 M_DLD(REG_FRESULT, REG_SP, 0 * 8);
3331 #if defined(ENABLE_GC_CACAO)
3332 /* Restore callee saved integer registers from stackframeinfo (GC
3333 might have modified them during a collection). */
3335 disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo_t) +
3336 OFFSET(stackframeinfo_t, intregs);
3338 for (i = 0; i < INT_SAV_CNT; i++)
3339 M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
3342 M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA */
3343 M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
3345 /* check for exception */
3347 M_BNEZ(REG_ITMP1_XPTR, 1); /* if no exception then return */
3348 M_RET(REG_ZERO, REG_RA); /* return to caller */
3350 /* handle exception */
3352 M_ASUB_IMM(REG_RA, 4, REG_ITMP2_XPC); /* get exception address */
3354 disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
3355 M_ALD(REG_ITMP3, REG_PV, disp); /* load asm exception handler address */
3356 M_JMP(REG_ZERO, REG_ITMP3); /* jump to asm exception handler */
3358 /* generate patcher stubs */
3360 emit_patcher_traps(jd);
3365 * These are local overrides for various environment variables in Emacs.
3366 * Please do not remove this and leave it at the end of the file, where
3367 * Emacs will automagically detect them.
3368 * ---------------------------------------------------------------------
3371 * indent-tabs-mode: t
3375 * vim:noexpandtab:sw=4:ts=4: