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comparison src/share/vm/c1/c1_InstructionPrinter.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_c1_InstructionPrinter.cpp.incl"
27
28
29 #ifndef PRODUCT
30
31 const char* InstructionPrinter::basic_type_name(BasicType type) {
32 switch (type) {
33 case T_BOOLEAN: return "boolean";
34 case T_BYTE : return "byte";
35 case T_CHAR : return "char";
36 case T_SHORT : return "short";
37 case T_INT : return "int";
38 case T_LONG : return "long";
39 case T_FLOAT : return "float";
40 case T_DOUBLE : return "double";
41 case T_ARRAY : return "array";
42 case T_OBJECT : return "object";
43 default : return "???";
44 }
45 }
46
47
48 const char* InstructionPrinter::cond_name(If::Condition cond) {
49 switch (cond) {
50 case If::eql: return "==";
51 case If::neq: return "!=";
52 case If::lss: return "<";
53 case If::leq: return "<=";
54 case If::gtr: return ">";
55 case If::geq: return ">=";
56 }
57 ShouldNotReachHere();
58 return NULL;
59 }
60
61
62 const char* InstructionPrinter::op_name(Bytecodes::Code op) {
63 switch (op) {
64 // arithmetic ops
65 case Bytecodes::_iadd : // fall through
66 case Bytecodes::_ladd : // fall through
67 case Bytecodes::_fadd : // fall through
68 case Bytecodes::_dadd : return "+";
69 case Bytecodes::_isub : // fall through
70 case Bytecodes::_lsub : // fall through
71 case Bytecodes::_fsub : // fall through
72 case Bytecodes::_dsub : return "-";
73 case Bytecodes::_imul : // fall through
74 case Bytecodes::_lmul : // fall through
75 case Bytecodes::_fmul : // fall through
76 case Bytecodes::_dmul : return "*";
77 case Bytecodes::_idiv : // fall through
78 case Bytecodes::_ldiv : // fall through
79 case Bytecodes::_fdiv : // fall through
80 case Bytecodes::_ddiv : return "/";
81 case Bytecodes::_irem : // fall through
82 case Bytecodes::_lrem : // fall through
83 case Bytecodes::_frem : // fall through
84 case Bytecodes::_drem : return "%";
85 // shift ops
86 case Bytecodes::_ishl : // fall through
87 case Bytecodes::_lshl : return "<<";
88 case Bytecodes::_ishr : // fall through
89 case Bytecodes::_lshr : return ">>";
90 case Bytecodes::_iushr: // fall through
91 case Bytecodes::_lushr: return ">>>";
92 // logic ops
93 case Bytecodes::_iand : // fall through
94 case Bytecodes::_land : return "&";
95 case Bytecodes::_ior : // fall through
96 case Bytecodes::_lor : return "|";
97 case Bytecodes::_ixor : // fall through
98 case Bytecodes::_lxor : return "^";
99 }
100 return Bytecodes::name(op);
101 }
102
103
104 bool InstructionPrinter::is_illegal_phi(Value v) {
105 Phi* phi = v ? v->as_Phi() : NULL;
106 if (phi && phi->is_illegal()) {
107 return true;
108 }
109 return false;
110 }
111
112
113 bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) {
114 Phi* phi = v ? v->as_Phi() : NULL;
115 return phi && phi->block() == b;
116 }
117
118
119 void InstructionPrinter::print_klass(ciKlass* klass) {
120 klass->name()->print_symbol_on(output());
121 }
122
123
124 void InstructionPrinter::print_object(Value obj) {
125 ValueType* type = obj->type();
126 if (type->as_ObjectConstant() != NULL) {
127 ciObject* value = type->as_ObjectConstant()->value();
128 if (value->is_null_object()) {
129 output()->print("null");
130 } else if (!value->is_loaded()) {
131 output()->print("<unloaded object 0x%x>", value);
132 } else if (value->is_method()) {
133 ciMethod* m = (ciMethod*)value;
134 output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8());
135 } else {
136 output()->print("<object 0x%x>", value->encoding());
137 }
138 } else if (type->as_InstanceConstant() != NULL) {
139 output()->print("<instance 0x%x>", type->as_InstanceConstant()->value()->encoding());
140 } else if (type->as_ArrayConstant() != NULL) {
141 output()->print("<array 0x%x>", type->as_ArrayConstant()->value()->encoding());
142 } else if (type->as_ClassConstant() != NULL) {
143 ciInstanceKlass* klass = type->as_ClassConstant()->value();
144 if (!klass->is_loaded()) {
145 output()->print("<unloaded> ");
146 }
147 output()->print("class ");
148 print_klass(klass);
149 } else {
150 output()->print("???");
151 }
152 }
153
154
155 void InstructionPrinter::print_temp(Value value) {
156 output()->print("%c%d", value->type()->tchar(), value->id());
157 }
158
159
160 void InstructionPrinter::print_field(AccessField* field) {
161 print_value(field->obj());
162 output()->print("._%d", field->offset());
163 }
164
165
166 void InstructionPrinter::print_indexed(AccessIndexed* indexed) {
167 print_value(indexed->array());
168 output()->put('[');
169 print_value(indexed->index());
170 output()->put(']');
171 }
172
173
174 void InstructionPrinter::print_monitor(AccessMonitor* monitor) {
175 output()->print("monitor[%d](", monitor->monitor_no());
176 print_value(monitor->obj());
177 output()->put(')');
178 }
179
180
181 void InstructionPrinter::print_op2(Op2* instr) {
182 print_value(instr->x());
183 output()->print(" %s ", op_name(instr->op()));
184 print_value(instr->y());
185 }
186
187
188 void InstructionPrinter::print_value(Value value) {
189 if (value == NULL) {
190 output()->print("NULL");
191 } else {
192 print_temp(value);
193 }
194 }
195
196
197 void InstructionPrinter::print_instr(Instruction* instr) {
198 instr->visit(this);
199 }
200
201
202 void InstructionPrinter::print_stack(ValueStack* stack) {
203 int start_position = output()->position();
204 if (stack->stack_is_empty()) {
205 output()->print("empty stack");
206 } else {
207 output()->print("stack [");
208 for (int i = 0; i < stack->stack_size();) {
209 if (i > 0) output()->print(", ");
210 output()->print("%d:", i);
211 Value value = stack->stack_at_inc(i);
212 print_value(value);
213 Phi* phi = value->as_Phi();
214 if (phi != NULL) {
215 if (phi->operand()->is_valid()) {
216 output()->print(" ");
217 phi->operand()->print(output());
218 }
219 }
220 }
221 output()->put(']');
222 }
223 if (!stack->no_active_locks()) {
224 // print out the lines on the line below this
225 // one at the same indentation level.
226 output()->cr();
227 fill_to(start_position, ' ');
228 output()->print("locks [");
229 for (int i = i = 0; i < stack->locks_size(); i++) {
230 Value t = stack->lock_at(i);
231 if (i > 0) output()->print(", ");
232 output()->print("%d:", i);
233 if (t == NULL) {
234 // synchronized methods push null on the lock stack
235 output()->print("this");
236 } else {
237 print_value(t);
238 }
239 }
240 output()->print("]");
241 }
242 }
243
244
245 void InstructionPrinter::print_inline_level(BlockBegin* block) {
246 output()->print_cr("inlining depth %d", block->scope()->level());
247 }
248
249
250 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) {
251 output()->print(name);
252 output()->print(".(");
253 }
254
255 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) {
256 print_unsafe_op(op, name);
257 output()->print("base ");
258 print_value(op->base());
259 if (op->has_index()) {
260 output()->print(", index "); print_value(op->index());
261 output()->print(", log2_scale %d", op->log2_scale());
262 }
263 }
264
265
266 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) {
267 print_unsafe_op(op, name);
268 print_value(op->object());
269 output()->print(", ");
270 print_value(op->offset());
271 }
272
273
274 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
275 Phi* phi = v->as_Phi();
276 output()->print("%2d ", i);
277 print_value(v);
278 // print phi operands
279 if (phi && phi->block() == b) {
280 output()->print(" [");
281 for (int j = 0; j < phi->operand_count(); j ++) {
282 output()->print(" ");
283 Value opd = phi->operand_at(j);
284 if (opd) print_value(opd);
285 else output()->print("NULL");
286 }
287 output()->print("] ");
288 }
289 print_alias(v);
290 }
291
292
293 void InstructionPrinter::print_alias(Value v) {
294 if (v != v->subst()) {
295 output()->print("alias "); print_value(v->subst());
296 }
297 }
298
299
300 void InstructionPrinter::fill_to(int pos, char filler) {
301 while (output()->position() < pos) output()->put(filler);
302 }
303
304
305 void InstructionPrinter::print_head() {
306 const char filler = '_';
307 fill_to(bci_pos , filler); output()->print("bci" );
308 fill_to(use_pos , filler); output()->print("use" );
309 fill_to(temp_pos , filler); output()->print("tid" );
310 fill_to(instr_pos, filler); output()->print("instr");
311 fill_to(end_pos , filler);
312 output()->cr();
313 }
314
315
316 void InstructionPrinter::print_line(Instruction* instr) {
317 // print instruction data on one line
318 if (instr->is_pinned()) output()->put('.');
319 fill_to(bci_pos ); output()->print("%d", instr->bci());
320 fill_to(use_pos ); output()->print("%d", instr->use_count());
321 fill_to(temp_pos ); print_temp(instr);
322 fill_to(instr_pos); print_instr(instr);
323 output()->cr();
324 // add a line for StateSplit instructions w/ non-empty stacks
325 // (make it robust so we can print incomplete instructions)
326 StateSplit* split = instr->as_StateSplit();
327 if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) {
328 fill_to(instr_pos); print_stack(split->state());
329 output()->cr();
330 }
331 }
332
333
334 void InstructionPrinter::do_Phi(Phi* x) {
335 output()->print("phi function"); // make that more detailed later
336 if (x->is_illegal())
337 output()->print(" (illegal)");
338 }
339
340
341 void InstructionPrinter::do_Local(Local* x) {
342 output()->print("local[index %d]", x->java_index());
343 }
344
345
346 void InstructionPrinter::do_Constant(Constant* x) {
347 ValueType* t = x->type();
348 switch (t->tag()) {
349 case intTag : output()->print("%d" , t->as_IntConstant ()->value()); break;
350 case longTag : output()->print(os::jlong_format_specifier(), t->as_LongConstant()->value()); output()->print("L"); break;
351 case floatTag : output()->print("%g" , t->as_FloatConstant ()->value()); break;
352 case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value()); break;
353 case objectTag : print_object(x); break;
354 case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break;
355 default : output()->print("???"); break;
356 }
357 }
358
359
360 void InstructionPrinter::do_LoadField(LoadField* x) {
361 print_field(x);
362 output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
363 }
364
365
366 void InstructionPrinter::do_StoreField(StoreField* x) {
367 print_field(x);
368 output()->print(" := ");
369 print_value(x->value());
370 output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
371 }
372
373
374 void InstructionPrinter::do_ArrayLength(ArrayLength* x) {
375 print_value(x->array());
376 output()->print(".length");
377 }
378
379
380 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) {
381 print_indexed(x);
382 output()->print(" (%c)", type2char(x->elt_type()));
383 }
384
385
386 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) {
387 print_indexed(x);
388 output()->print(" := ");
389 print_value(x->value());
390 output()->print(" (%c)", type2char(x->elt_type()));
391 }
392
393 void InstructionPrinter::do_NegateOp(NegateOp* x) {
394 output()->put('-');
395 print_value(x->x());
396 }
397
398
399 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) {
400 print_op2(x);
401 }
402
403
404 void InstructionPrinter::do_ShiftOp(ShiftOp* x) {
405 print_op2(x);
406 }
407
408
409 void InstructionPrinter::do_LogicOp(LogicOp* x) {
410 print_op2(x);
411 }
412
413
414 void InstructionPrinter::do_CompareOp(CompareOp* x) {
415 print_op2(x);
416 }
417
418
419 void InstructionPrinter::do_IfOp(IfOp* x) {
420 print_value(x->x());
421 output()->print(" %s ", cond_name(x->cond()));
422 print_value(x->y());
423 output()->print(" ? ");
424 print_value(x->tval());
425 output()->print(" : ");
426 print_value(x->fval());
427 }
428
429
430 void InstructionPrinter::do_Convert(Convert* x) {
431 output()->print("%s(", Bytecodes::name(x->op()));
432 print_value(x->value());
433 output()->put(')');
434 }
435
436
437 void InstructionPrinter::do_NullCheck(NullCheck* x) {
438 output()->print("null_check(");
439 print_value(x->obj());
440 output()->put(')');
441 if (!x->can_trap()) {
442 output()->print(" (eliminated)");
443 }
444 }
445
446
447 void InstructionPrinter::do_Invoke(Invoke* x) {
448 if (x->receiver() != NULL) {
449 print_value(x->receiver());
450 output()->print(".");
451 }
452
453 output()->print("%s(", Bytecodes::name(x->code()));
454 for (int i = 0; i < x->number_of_arguments(); i++) {
455 if (i > 0) output()->print(", ");
456 print_value(x->argument_at(i));
457 }
458 output()->print_cr(")");
459 fill_to(instr_pos);
460 output()->print("%s.%s%s",
461 x->target()->holder()->name()->as_utf8(),
462 x->target()->name()->as_utf8(),
463 x->target()->signature()->as_symbol()->as_utf8());
464 }
465
466
467 void InstructionPrinter::do_NewInstance(NewInstance* x) {
468 output()->print("new instance ");
469 print_klass(x->klass());
470 }
471
472
473 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) {
474 output()->print("new %s array [", basic_type_name(x->elt_type()));
475 print_value(x->length());
476 output()->put(']');
477 }
478
479
480 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) {
481 output()->print("new object array [");
482 print_value(x->length());
483 output()->print("] ");
484 print_klass(x->klass());
485 }
486
487
488 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) {
489 output()->print("new multi array [");
490 Values* dims = x->dims();
491 for (int i = 0; i < dims->length(); i++) {
492 if (i > 0) output()->print(", ");
493 print_value(dims->at(i));
494 }
495 output()->print("] ");
496 print_klass(x->klass());
497 }
498
499
500 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) {
501 output()->print("enter ");
502 print_monitor(x);
503 }
504
505
506 void InstructionPrinter::do_MonitorExit(MonitorExit* x) {
507 output()->print("exit ");
508 print_monitor(x);
509 }
510
511
512 void InstructionPrinter::do_Intrinsic(Intrinsic* x) {
513 const char* name = vmIntrinsics::name_at(x->id());
514 if (name[0] == '_') name++; // strip leading bug from _hashCode, etc.
515 const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id()));
516 if (strchr(name, '_') == NULL) {
517 kname = NULL;
518 } else {
519 const char* kptr = strrchr(kname, '/');
520 if (kptr != NULL) kname = kptr + 1;
521 }
522 if (kname == NULL)
523 output()->print("%s(", name);
524 else
525 output()->print("%s.%s(", kname, name);
526 for (int i = 0; i < x->number_of_arguments(); i++) {
527 if (i > 0) output()->print(", ");
528 print_value(x->argument_at(i));
529 }
530 output()->put(')');
531 }
532
533
534 void InstructionPrinter::do_BlockBegin(BlockBegin* x) {
535 // print block id
536 BlockEnd* end = x->end();
537 output()->print("B%d ", x->block_id());
538
539 // print flags
540 bool printed_flag = false;
541 if (x->is_set(BlockBegin::std_entry_flag)) {
542 if (!printed_flag) output()->print("(");
543 output()->print("S"); printed_flag = true;
544 }
545 if (x->is_set(BlockBegin::osr_entry_flag)) {
546 if (!printed_flag) output()->print("(");
547 output()->print("O"); printed_flag = true;
548 }
549 if (x->is_set(BlockBegin::exception_entry_flag)) {
550 if (!printed_flag) output()->print("(");
551 output()->print("E"); printed_flag = true;
552 }
553 if (x->is_set(BlockBegin::subroutine_entry_flag)) {
554 if (!printed_flag) output()->print("(");
555 output()->print("s"); printed_flag = true;
556 }
557 if (x->is_set(BlockBegin::parser_loop_header_flag)) {
558 if (!printed_flag) output()->print("(");
559 output()->print("LH"); printed_flag = true;
560 }
561 if (x->is_set(BlockBegin::backward_branch_target_flag)) {
562 if (!printed_flag) output()->print("(");
563 output()->print("b"); printed_flag = true;
564 }
565 if (x->is_set(BlockBegin::was_visited_flag)) {
566 if (!printed_flag) output()->print("(");
567 output()->print("V"); printed_flag = true;
568 }
569 if (printed_flag) output()->print(") ");
570
571 // print block bci range
572 output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->bci()));
573
574 // print block successors
575 if (end != NULL && end->number_of_sux() > 0) {
576 output()->print(" ->");
577 for (int i = 0; i < end->number_of_sux(); i++) {
578 output()->print(" B%d", end->sux_at(i)->block_id());
579 }
580 }
581 // print exception handlers
582 if (x->number_of_exception_handlers() > 0) {
583 output()->print(" (xhandlers ");
584 for (int i = 0; i < x->number_of_exception_handlers(); i++) {
585 if (i > 0) output()->print(" ");
586 output()->print("B%d", x->exception_handler_at(i)->block_id());
587 }
588 output()->put(')');
589 }
590
591 // print dominator block
592 if (x->dominator() != NULL) {
593 output()->print(" dom B%d", x->dominator()->block_id());
594 }
595
596 // print predecessors and successors
597 if (x->successors()->length() > 0) {
598 output()->print(" sux:");
599 for (int i = 0; i < x->successors()->length(); i ++) {
600 output()->print(" B%d", x->successors()->at(i)->block_id());
601 }
602 }
603
604 if (x->number_of_preds() > 0) {
605 output()->print(" pred:");
606 for (int i = 0; i < x->number_of_preds(); i ++) {
607 output()->print(" B%d", x->pred_at(i)->block_id());
608 }
609 }
610
611 if (!_print_phis) {
612 return;
613 }
614
615 // print phi functions
616 bool has_phis_in_locals = false;
617 bool has_phis_on_stack = false;
618
619 if (x->end() && x->end()->state()) {
620 ValueStack* state = x->state();
621
622 int i = 0;
623 while (!has_phis_on_stack && i < state->stack_size()) {
624 Value v = state->stack_at_inc(i);
625 has_phis_on_stack = is_phi_of_block(v, x);
626 }
627
628 do {
629 for (i = 0; !has_phis_in_locals && i < state->locals_size();) {
630 Value v = state->local_at(i);
631 has_phis_in_locals = is_phi_of_block(v, x);
632 // also ignore illegal HiWords
633 if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++;
634 }
635 state = state->caller_state();
636 } while (state != NULL);
637
638 }
639
640 // print values in locals
641 if (has_phis_in_locals) {
642 output()->cr(); output()->print_cr("Locals:");
643
644 ValueStack* state = x->state();
645 do {
646 for (int i = 0; i < state->locals_size();) {
647 Value v = state->local_at(i);
648 if (v) {
649 print_phi(i, v, x); output()->cr();
650 // also ignore illegal HiWords
651 i += (v->type()->is_illegal() ? 1 : v->type()->size());
652 } else {
653 i ++;
654 }
655 }
656 output()->cr();
657 state = state->caller_state();
658 } while (state != NULL);
659 }
660
661 // print values on stack
662 if (has_phis_on_stack) {
663 output()->print_cr("Stack:");
664 int i = 0;
665 while (i < x->state()->stack_size()) {
666 int o = i;
667 Value v = x->state()->stack_at_inc(i);
668 if (v) {
669 print_phi(o, v, x); output()->cr();
670 }
671 }
672 }
673 }
674
675
676 void InstructionPrinter::do_CheckCast(CheckCast* x) {
677 output()->print("checkcast(");
678 print_value(x->obj());
679 output()->print(") ");
680 print_klass(x->klass());
681 }
682
683
684 void InstructionPrinter::do_InstanceOf(InstanceOf* x) {
685 output()->print("instanceof(");
686 print_value(x->obj());
687 output()->print(") ");
688 print_klass(x->klass());
689 }
690
691
692 void InstructionPrinter::do_Goto(Goto* x) {
693 output()->print("goto B%d", x->default_sux()->block_id());
694 if (x->is_safepoint()) output()->print(" (safepoint)");
695 }
696
697
698 void InstructionPrinter::do_If(If* x) {
699 output()->print("if ");
700 print_value(x->x());
701 output()->print(" %s ", cond_name(x->cond()));
702 print_value(x->y());
703 output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id());
704 if (x->is_safepoint()) output()->print(" (safepoint)");
705 }
706
707
708 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) {
709 output()->print("<IfInstanceOf>");
710 }
711
712
713 void InstructionPrinter::do_TableSwitch(TableSwitch* x) {
714 output()->print("tableswitch ");
715 if (x->is_safepoint()) output()->print("(safepoint) ");
716 print_value(x->tag());
717 output()->cr();
718 int l = x->length();
719 for (int i = 0; i < l; i++) {
720 fill_to(instr_pos);
721 output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id());
722 }
723 fill_to(instr_pos);
724 output()->print("default : B%d", x->default_sux()->block_id());
725 }
726
727
728 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) {
729 output()->print("lookupswitch ");
730 if (x->is_safepoint()) output()->print("(safepoint) ");
731 print_value(x->tag());
732 output()->cr();
733 int l = x->length();
734 for (int i = 0; i < l; i++) {
735 fill_to(instr_pos);
736 output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id());
737 }
738 fill_to(instr_pos);
739 output()->print("default : B%d", x->default_sux()->block_id());
740 }
741
742
743 void InstructionPrinter::do_Return(Return* x) {
744 if (x->result() == NULL) {
745 output()->print("return");
746 } else {
747 output()->print("%creturn ", x->type()->tchar());
748 print_value(x->result());
749 }
750 }
751
752
753 void InstructionPrinter::do_Throw(Throw* x) {
754 output()->print("throw ");
755 print_value(x->exception());
756 }
757
758
759 void InstructionPrinter::do_Base(Base* x) {
760 output()->print("std entry B%d", x->std_entry()->block_id());
761 if (x->number_of_sux() > 1) {
762 output()->print(" osr entry B%d", x->osr_entry()->block_id());
763 }
764 }
765
766
767 void InstructionPrinter::do_OsrEntry(OsrEntry* x) {
768 output()->print("osr entry");
769 }
770
771
772 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) {
773 output()->print("incoming exception");
774 }
775
776
777 void InstructionPrinter::do_RoundFP(RoundFP* x) {
778 output()->print("round_fp ");
779 print_value(x->input());
780 }
781
782
783 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) {
784 print_unsafe_raw_op(x, "UnsafeGetRaw");
785 output()->put(')');
786 }
787
788
789 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) {
790 print_unsafe_raw_op(x, "UnsafePutRaw");
791 output()->print(", value ");
792 print_value(x->value());
793 output()->put(')');
794 }
795
796
797 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) {
798 print_unsafe_object_op(x, "UnsafeGetObject");
799 output()->put(')');
800 }
801
802
803 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) {
804 print_unsafe_object_op(x, "UnsafePutObject");
805 output()->print(", value ");
806 print_value(x->value());
807 output()->put(')');
808 }
809
810
811 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
812 print_unsafe_object_op(x, "UnsafePrefetchRead");
813 output()->put(')');
814 }
815
816
817 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
818 print_unsafe_object_op(x, "UnsafePrefetchWrite");
819 output()->put(')');
820 }
821
822
823 void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
824 output()->print("profile ");
825 print_value(x->recv());
826 output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
827 if (x->known_holder() != NULL) {
828 output()->print(", ");
829 print_klass(x->known_holder());
830 }
831 output()->put(')');
832 }
833
834
835 void InstructionPrinter::do_ProfileCounter(ProfileCounter* x) {
836
837 ObjectConstant* oc = x->mdo()->type()->as_ObjectConstant();
838 if (oc != NULL && oc->value()->is_method() &&
839 x->offset() == methodOopDesc::interpreter_invocation_counter_offset_in_bytes()) {
840 print_value(x->mdo());
841 output()->print(".interpreter_invocation_count += %d", x->increment());
842 } else {
843 output()->print("counter [");
844 print_value(x->mdo());
845 output()->print(" + %d] += %d", x->offset(), x->increment());
846 }
847 }
848
849
850 #endif // PRODUCT