Mercurial > hg > truffle
annotate src/share/vm/c1/c1_InstructionPrinter.cpp @ 14517:3812c088b945
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author | lana |
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date | Thu, 06 Mar 2014 10:37:26 -0800 |
parents | ce0cc25bc5e2 |
children | 78bbf4d43a14 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "c1/c1_InstructionPrinter.hpp" | |
27 #include "c1/c1_ValueStack.hpp" | |
28 #include "ci/ciArray.hpp" | |
29 #include "ci/ciInstance.hpp" | |
30 #include "ci/ciObject.hpp" | |
0 | 31 |
32 | |
33 #ifndef PRODUCT | |
34 | |
35 const char* InstructionPrinter::basic_type_name(BasicType type) { | |
36 switch (type) { | |
37 case T_BOOLEAN: return "boolean"; | |
38 case T_BYTE : return "byte"; | |
39 case T_CHAR : return "char"; | |
40 case T_SHORT : return "short"; | |
41 case T_INT : return "int"; | |
42 case T_LONG : return "long"; | |
43 case T_FLOAT : return "float"; | |
44 case T_DOUBLE : return "double"; | |
45 case T_ARRAY : return "array"; | |
46 case T_OBJECT : return "object"; | |
47 default : return "???"; | |
48 } | |
49 } | |
50 | |
51 | |
52 const char* InstructionPrinter::cond_name(If::Condition cond) { | |
53 switch (cond) { | |
54 case If::eql: return "=="; | |
55 case If::neq: return "!="; | |
56 case If::lss: return "<"; | |
57 case If::leq: return "<="; | |
58 case If::gtr: return ">"; | |
59 case If::geq: return ">="; | |
8860 | 60 case If::aeq: return "|>=|"; |
61 case If::beq: return "|<=|"; | |
0 | 62 } |
63 ShouldNotReachHere(); | |
64 return NULL; | |
65 } | |
66 | |
67 | |
68 const char* InstructionPrinter::op_name(Bytecodes::Code op) { | |
69 switch (op) { | |
70 // arithmetic ops | |
71 case Bytecodes::_iadd : // fall through | |
72 case Bytecodes::_ladd : // fall through | |
73 case Bytecodes::_fadd : // fall through | |
74 case Bytecodes::_dadd : return "+"; | |
75 case Bytecodes::_isub : // fall through | |
76 case Bytecodes::_lsub : // fall through | |
77 case Bytecodes::_fsub : // fall through | |
78 case Bytecodes::_dsub : return "-"; | |
79 case Bytecodes::_imul : // fall through | |
80 case Bytecodes::_lmul : // fall through | |
81 case Bytecodes::_fmul : // fall through | |
82 case Bytecodes::_dmul : return "*"; | |
83 case Bytecodes::_idiv : // fall through | |
84 case Bytecodes::_ldiv : // fall through | |
85 case Bytecodes::_fdiv : // fall through | |
86 case Bytecodes::_ddiv : return "/"; | |
87 case Bytecodes::_irem : // fall through | |
88 case Bytecodes::_lrem : // fall through | |
89 case Bytecodes::_frem : // fall through | |
90 case Bytecodes::_drem : return "%"; | |
91 // shift ops | |
92 case Bytecodes::_ishl : // fall through | |
93 case Bytecodes::_lshl : return "<<"; | |
94 case Bytecodes::_ishr : // fall through | |
95 case Bytecodes::_lshr : return ">>"; | |
96 case Bytecodes::_iushr: // fall through | |
97 case Bytecodes::_lushr: return ">>>"; | |
98 // logic ops | |
99 case Bytecodes::_iand : // fall through | |
100 case Bytecodes::_land : return "&"; | |
101 case Bytecodes::_ior : // fall through | |
102 case Bytecodes::_lor : return "|"; | |
103 case Bytecodes::_ixor : // fall through | |
104 case Bytecodes::_lxor : return "^"; | |
105 } | |
106 return Bytecodes::name(op); | |
107 } | |
108 | |
109 | |
110 bool InstructionPrinter::is_illegal_phi(Value v) { | |
111 Phi* phi = v ? v->as_Phi() : NULL; | |
112 if (phi && phi->is_illegal()) { | |
113 return true; | |
114 } | |
115 return false; | |
116 } | |
117 | |
118 | |
119 bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) { | |
120 Phi* phi = v ? v->as_Phi() : NULL; | |
121 return phi && phi->block() == b; | |
122 } | |
123 | |
124 | |
125 void InstructionPrinter::print_klass(ciKlass* klass) { | |
126 klass->name()->print_symbol_on(output()); | |
127 } | |
128 | |
129 | |
130 void InstructionPrinter::print_object(Value obj) { | |
131 ValueType* type = obj->type(); | |
132 if (type->as_ObjectConstant() != NULL) { | |
133 ciObject* value = type->as_ObjectConstant()->value(); | |
134 if (value->is_null_object()) { | |
135 output()->print("null"); | |
136 } else if (!value->is_loaded()) { | |
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137 output()->print("<unloaded object " PTR_FORMAT ">", value); |
0 | 138 } else { |
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139 output()->print("<object " PTR_FORMAT " klass=", value->constant_encoding()); |
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140 print_klass(value->klass()); |
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141 output()->print(">"); |
0 | 142 } |
143 } else if (type->as_InstanceConstant() != NULL) { | |
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144 ciInstance* value = type->as_InstanceConstant()->value(); |
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145 if (value->is_loaded()) { |
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146 output()->print("<instance " PTR_FORMAT " klass=", value->constant_encoding()); |
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147 print_klass(value->klass()); |
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148 output()->print(">"); |
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149 } else { |
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150 output()->print("<unloaded instance " PTR_FORMAT ">", value); |
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151 } |
0 | 152 } else if (type->as_ArrayConstant() != NULL) { |
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153 output()->print("<array " PTR_FORMAT ">", type->as_ArrayConstant()->value()->constant_encoding()); |
0 | 154 } else if (type->as_ClassConstant() != NULL) { |
155 ciInstanceKlass* klass = type->as_ClassConstant()->value(); | |
156 if (!klass->is_loaded()) { | |
157 output()->print("<unloaded> "); | |
158 } | |
159 output()->print("class "); | |
160 print_klass(klass); | |
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161 } else if (type->as_MethodConstant() != NULL) { |
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162 ciMethod* m = type->as_MethodConstant()->value(); |
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163 output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8()); |
0 | 164 } else { |
165 output()->print("???"); | |
166 } | |
167 } | |
168 | |
169 | |
170 void InstructionPrinter::print_temp(Value value) { | |
171 output()->print("%c%d", value->type()->tchar(), value->id()); | |
172 } | |
173 | |
174 | |
175 void InstructionPrinter::print_field(AccessField* field) { | |
176 print_value(field->obj()); | |
177 output()->print("._%d", field->offset()); | |
178 } | |
179 | |
180 | |
181 void InstructionPrinter::print_indexed(AccessIndexed* indexed) { | |
182 print_value(indexed->array()); | |
183 output()->put('['); | |
184 print_value(indexed->index()); | |
185 output()->put(']'); | |
8860 | 186 if (indexed->length() != NULL) { |
187 output()->put('('); | |
188 print_value(indexed->length()); | |
189 output()->put(')'); | |
190 } | |
0 | 191 } |
192 | |
193 | |
194 void InstructionPrinter::print_monitor(AccessMonitor* monitor) { | |
195 output()->print("monitor[%d](", monitor->monitor_no()); | |
196 print_value(monitor->obj()); | |
197 output()->put(')'); | |
198 } | |
199 | |
200 | |
201 void InstructionPrinter::print_op2(Op2* instr) { | |
202 print_value(instr->x()); | |
203 output()->print(" %s ", op_name(instr->op())); | |
204 print_value(instr->y()); | |
205 } | |
206 | |
207 | |
208 void InstructionPrinter::print_value(Value value) { | |
209 if (value == NULL) { | |
210 output()->print("NULL"); | |
211 } else { | |
212 print_temp(value); | |
213 } | |
214 } | |
215 | |
216 | |
217 void InstructionPrinter::print_instr(Instruction* instr) { | |
218 instr->visit(this); | |
219 } | |
220 | |
221 | |
222 void InstructionPrinter::print_stack(ValueStack* stack) { | |
223 int start_position = output()->position(); | |
224 if (stack->stack_is_empty()) { | |
225 output()->print("empty stack"); | |
226 } else { | |
227 output()->print("stack ["); | |
228 for (int i = 0; i < stack->stack_size();) { | |
229 if (i > 0) output()->print(", "); | |
230 output()->print("%d:", i); | |
231 Value value = stack->stack_at_inc(i); | |
232 print_value(value); | |
233 Phi* phi = value->as_Phi(); | |
234 if (phi != NULL) { | |
235 if (phi->operand()->is_valid()) { | |
236 output()->print(" "); | |
237 phi->operand()->print(output()); | |
238 } | |
239 } | |
240 } | |
241 output()->put(']'); | |
242 } | |
243 if (!stack->no_active_locks()) { | |
244 // print out the lines on the line below this | |
245 // one at the same indentation level. | |
246 output()->cr(); | |
247 fill_to(start_position, ' '); | |
248 output()->print("locks ["); | |
249 for (int i = i = 0; i < stack->locks_size(); i++) { | |
250 Value t = stack->lock_at(i); | |
251 if (i > 0) output()->print(", "); | |
252 output()->print("%d:", i); | |
253 if (t == NULL) { | |
254 // synchronized methods push null on the lock stack | |
255 output()->print("this"); | |
256 } else { | |
257 print_value(t); | |
258 } | |
259 } | |
260 output()->print("]"); | |
261 } | |
262 } | |
263 | |
264 | |
265 void InstructionPrinter::print_inline_level(BlockBegin* block) { | |
266 output()->print_cr("inlining depth %d", block->scope()->level()); | |
267 } | |
268 | |
269 | |
270 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) { | |
271 output()->print(name); | |
272 output()->print(".("); | |
273 } | |
274 | |
275 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) { | |
276 print_unsafe_op(op, name); | |
277 output()->print("base "); | |
278 print_value(op->base()); | |
279 if (op->has_index()) { | |
280 output()->print(", index "); print_value(op->index()); | |
281 output()->print(", log2_scale %d", op->log2_scale()); | |
282 } | |
283 } | |
284 | |
285 | |
286 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) { | |
287 print_unsafe_op(op, name); | |
288 print_value(op->object()); | |
289 output()->print(", "); | |
290 print_value(op->offset()); | |
291 } | |
292 | |
293 | |
294 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) { | |
295 Phi* phi = v->as_Phi(); | |
296 output()->print("%2d ", i); | |
297 print_value(v); | |
298 // print phi operands | |
299 if (phi && phi->block() == b) { | |
300 output()->print(" ["); | |
301 for (int j = 0; j < phi->operand_count(); j ++) { | |
302 output()->print(" "); | |
303 Value opd = phi->operand_at(j); | |
304 if (opd) print_value(opd); | |
305 else output()->print("NULL"); | |
306 } | |
307 output()->print("] "); | |
308 } | |
309 print_alias(v); | |
310 } | |
311 | |
312 | |
313 void InstructionPrinter::print_alias(Value v) { | |
314 if (v != v->subst()) { | |
315 output()->print("alias "); print_value(v->subst()); | |
316 } | |
317 } | |
318 | |
319 | |
320 void InstructionPrinter::fill_to(int pos, char filler) { | |
321 while (output()->position() < pos) output()->put(filler); | |
322 } | |
323 | |
324 | |
325 void InstructionPrinter::print_head() { | |
326 const char filler = '_'; | |
327 fill_to(bci_pos , filler); output()->print("bci" ); | |
328 fill_to(use_pos , filler); output()->print("use" ); | |
329 fill_to(temp_pos , filler); output()->print("tid" ); | |
330 fill_to(instr_pos, filler); output()->print("instr"); | |
331 fill_to(end_pos , filler); | |
332 output()->cr(); | |
333 } | |
334 | |
335 | |
336 void InstructionPrinter::print_line(Instruction* instr) { | |
337 // print instruction data on one line | |
338 if (instr->is_pinned()) output()->put('.'); | |
1819 | 339 fill_to(bci_pos ); output()->print("%d", instr->printable_bci()); |
0 | 340 fill_to(use_pos ); output()->print("%d", instr->use_count()); |
341 fill_to(temp_pos ); print_temp(instr); | |
342 fill_to(instr_pos); print_instr(instr); | |
343 output()->cr(); | |
344 // add a line for StateSplit instructions w/ non-empty stacks | |
345 // (make it robust so we can print incomplete instructions) | |
346 StateSplit* split = instr->as_StateSplit(); | |
347 if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) { | |
348 fill_to(instr_pos); print_stack(split->state()); | |
349 output()->cr(); | |
350 } | |
351 } | |
352 | |
353 | |
354 void InstructionPrinter::do_Phi(Phi* x) { | |
355 output()->print("phi function"); // make that more detailed later | |
356 if (x->is_illegal()) | |
357 output()->print(" (illegal)"); | |
358 } | |
359 | |
360 | |
361 void InstructionPrinter::do_Local(Local* x) { | |
362 output()->print("local[index %d]", x->java_index()); | |
363 } | |
364 | |
365 | |
366 void InstructionPrinter::do_Constant(Constant* x) { | |
367 ValueType* t = x->type(); | |
368 switch (t->tag()) { | |
369 case intTag : output()->print("%d" , t->as_IntConstant ()->value()); break; | |
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370 case longTag : output()->print(JLONG_FORMAT, t->as_LongConstant()->value()); output()->print("L"); break; |
0 | 371 case floatTag : output()->print("%g" , t->as_FloatConstant ()->value()); break; |
372 case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value()); break; | |
373 case objectTag : print_object(x); break; | |
374 case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break; | |
375 default : output()->print("???"); break; | |
376 } | |
377 } | |
378 | |
379 | |
380 void InstructionPrinter::do_LoadField(LoadField* x) { | |
381 print_field(x); | |
382 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); | |
8860 | 383 output()->print(" %s", x->field()->name()->as_utf8()); |
0 | 384 } |
385 | |
386 | |
387 void InstructionPrinter::do_StoreField(StoreField* x) { | |
388 print_field(x); | |
389 output()->print(" := "); | |
390 print_value(x->value()); | |
391 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); | |
8860 | 392 output()->print(" %s", x->field()->name()->as_utf8()); |
0 | 393 } |
394 | |
395 | |
396 void InstructionPrinter::do_ArrayLength(ArrayLength* x) { | |
397 print_value(x->array()); | |
398 output()->print(".length"); | |
399 } | |
400 | |
401 | |
402 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) { | |
403 print_indexed(x); | |
404 output()->print(" (%c)", type2char(x->elt_type())); | |
8860 | 405 if (x->check_flag(Instruction::NeedsRangeCheckFlag)) { |
406 output()->print(" [rc]"); | |
407 } | |
0 | 408 } |
409 | |
410 | |
411 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) { | |
412 print_indexed(x); | |
413 output()->print(" := "); | |
414 print_value(x->value()); | |
415 output()->print(" (%c)", type2char(x->elt_type())); | |
8860 | 416 if (x->check_flag(Instruction::NeedsRangeCheckFlag)) { |
417 output()->print(" [rc]"); | |
418 } | |
0 | 419 } |
420 | |
421 void InstructionPrinter::do_NegateOp(NegateOp* x) { | |
422 output()->put('-'); | |
423 print_value(x->x()); | |
424 } | |
425 | |
426 | |
427 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) { | |
428 print_op2(x); | |
429 } | |
430 | |
431 | |
432 void InstructionPrinter::do_ShiftOp(ShiftOp* x) { | |
433 print_op2(x); | |
434 } | |
435 | |
436 | |
437 void InstructionPrinter::do_LogicOp(LogicOp* x) { | |
438 print_op2(x); | |
439 } | |
440 | |
441 | |
442 void InstructionPrinter::do_CompareOp(CompareOp* x) { | |
443 print_op2(x); | |
444 } | |
445 | |
446 | |
447 void InstructionPrinter::do_IfOp(IfOp* x) { | |
448 print_value(x->x()); | |
449 output()->print(" %s ", cond_name(x->cond())); | |
450 print_value(x->y()); | |
451 output()->print(" ? "); | |
452 print_value(x->tval()); | |
453 output()->print(" : "); | |
454 print_value(x->fval()); | |
455 } | |
456 | |
457 | |
458 void InstructionPrinter::do_Convert(Convert* x) { | |
459 output()->print("%s(", Bytecodes::name(x->op())); | |
460 print_value(x->value()); | |
461 output()->put(')'); | |
462 } | |
463 | |
464 | |
465 void InstructionPrinter::do_NullCheck(NullCheck* x) { | |
466 output()->print("null_check("); | |
467 print_value(x->obj()); | |
468 output()->put(')'); | |
469 if (!x->can_trap()) { | |
470 output()->print(" (eliminated)"); | |
471 } | |
472 } | |
473 | |
474 | |
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475 void InstructionPrinter::do_TypeCast(TypeCast* x) { |
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476 output()->print("type_cast("); |
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477 print_value(x->obj()); |
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478 output()->print(") "); |
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479 if (x->declared_type()->is_klass()) |
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480 print_klass(x->declared_type()->as_klass()); |
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481 else |
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482 output()->print(type2name(x->declared_type()->basic_type())); |
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483 } |
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484 |
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485 |
0 | 486 void InstructionPrinter::do_Invoke(Invoke* x) { |
487 if (x->receiver() != NULL) { | |
488 print_value(x->receiver()); | |
489 output()->print("."); | |
490 } | |
491 | |
492 output()->print("%s(", Bytecodes::name(x->code())); | |
493 for (int i = 0; i < x->number_of_arguments(); i++) { | |
494 if (i > 0) output()->print(", "); | |
495 print_value(x->argument_at(i)); | |
496 } | |
497 output()->print_cr(")"); | |
498 fill_to(instr_pos); | |
499 output()->print("%s.%s%s", | |
500 x->target()->holder()->name()->as_utf8(), | |
501 x->target()->name()->as_utf8(), | |
502 x->target()->signature()->as_symbol()->as_utf8()); | |
503 } | |
504 | |
505 | |
506 void InstructionPrinter::do_NewInstance(NewInstance* x) { | |
507 output()->print("new instance "); | |
508 print_klass(x->klass()); | |
509 } | |
510 | |
511 | |
512 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) { | |
513 output()->print("new %s array [", basic_type_name(x->elt_type())); | |
514 print_value(x->length()); | |
515 output()->put(']'); | |
516 } | |
517 | |
518 | |
519 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) { | |
520 output()->print("new object array ["); | |
521 print_value(x->length()); | |
522 output()->print("] "); | |
523 print_klass(x->klass()); | |
524 } | |
525 | |
526 | |
527 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) { | |
528 output()->print("new multi array ["); | |
529 Values* dims = x->dims(); | |
530 for (int i = 0; i < dims->length(); i++) { | |
531 if (i > 0) output()->print(", "); | |
532 print_value(dims->at(i)); | |
533 } | |
534 output()->print("] "); | |
535 print_klass(x->klass()); | |
536 } | |
537 | |
538 | |
539 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) { | |
540 output()->print("enter "); | |
541 print_monitor(x); | |
542 } | |
543 | |
544 | |
545 void InstructionPrinter::do_MonitorExit(MonitorExit* x) { | |
546 output()->print("exit "); | |
547 print_monitor(x); | |
548 } | |
549 | |
550 | |
551 void InstructionPrinter::do_Intrinsic(Intrinsic* x) { | |
552 const char* name = vmIntrinsics::name_at(x->id()); | |
553 if (name[0] == '_') name++; // strip leading bug from _hashCode, etc. | |
554 const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id())); | |
555 if (strchr(name, '_') == NULL) { | |
556 kname = NULL; | |
557 } else { | |
558 const char* kptr = strrchr(kname, '/'); | |
559 if (kptr != NULL) kname = kptr + 1; | |
560 } | |
561 if (kname == NULL) | |
562 output()->print("%s(", name); | |
563 else | |
564 output()->print("%s.%s(", kname, name); | |
565 for (int i = 0; i < x->number_of_arguments(); i++) { | |
566 if (i > 0) output()->print(", "); | |
567 print_value(x->argument_at(i)); | |
568 } | |
569 output()->put(')'); | |
570 } | |
571 | |
572 | |
573 void InstructionPrinter::do_BlockBegin(BlockBegin* x) { | |
574 // print block id | |
575 BlockEnd* end = x->end(); | |
576 output()->print("B%d ", x->block_id()); | |
577 | |
578 // print flags | |
579 bool printed_flag = false; | |
580 if (x->is_set(BlockBegin::std_entry_flag)) { | |
581 if (!printed_flag) output()->print("("); | |
582 output()->print("S"); printed_flag = true; | |
583 } | |
584 if (x->is_set(BlockBegin::osr_entry_flag)) { | |
585 if (!printed_flag) output()->print("("); | |
586 output()->print("O"); printed_flag = true; | |
587 } | |
588 if (x->is_set(BlockBegin::exception_entry_flag)) { | |
589 if (!printed_flag) output()->print("("); | |
590 output()->print("E"); printed_flag = true; | |
591 } | |
592 if (x->is_set(BlockBegin::subroutine_entry_flag)) { | |
593 if (!printed_flag) output()->print("("); | |
594 output()->print("s"); printed_flag = true; | |
595 } | |
596 if (x->is_set(BlockBegin::parser_loop_header_flag)) { | |
597 if (!printed_flag) output()->print("("); | |
598 output()->print("LH"); printed_flag = true; | |
599 } | |
600 if (x->is_set(BlockBegin::backward_branch_target_flag)) { | |
601 if (!printed_flag) output()->print("("); | |
602 output()->print("b"); printed_flag = true; | |
603 } | |
604 if (x->is_set(BlockBegin::was_visited_flag)) { | |
605 if (!printed_flag) output()->print("("); | |
606 output()->print("V"); printed_flag = true; | |
607 } | |
608 if (printed_flag) output()->print(") "); | |
609 | |
610 // print block bci range | |
1819 | 611 output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->printable_bci())); |
0 | 612 |
613 // print block successors | |
614 if (end != NULL && end->number_of_sux() > 0) { | |
615 output()->print(" ->"); | |
616 for (int i = 0; i < end->number_of_sux(); i++) { | |
617 output()->print(" B%d", end->sux_at(i)->block_id()); | |
618 } | |
619 } | |
620 // print exception handlers | |
621 if (x->number_of_exception_handlers() > 0) { | |
622 output()->print(" (xhandlers "); | |
623 for (int i = 0; i < x->number_of_exception_handlers(); i++) { | |
624 if (i > 0) output()->print(" "); | |
625 output()->print("B%d", x->exception_handler_at(i)->block_id()); | |
626 } | |
627 output()->put(')'); | |
628 } | |
629 | |
630 // print dominator block | |
631 if (x->dominator() != NULL) { | |
632 output()->print(" dom B%d", x->dominator()->block_id()); | |
633 } | |
634 | |
635 // print predecessors and successors | |
636 if (x->successors()->length() > 0) { | |
637 output()->print(" sux:"); | |
638 for (int i = 0; i < x->successors()->length(); i ++) { | |
639 output()->print(" B%d", x->successors()->at(i)->block_id()); | |
640 } | |
641 } | |
642 | |
643 if (x->number_of_preds() > 0) { | |
644 output()->print(" pred:"); | |
645 for (int i = 0; i < x->number_of_preds(); i ++) { | |
646 output()->print(" B%d", x->pred_at(i)->block_id()); | |
647 } | |
648 } | |
649 | |
650 if (!_print_phis) { | |
651 return; | |
652 } | |
653 | |
654 // print phi functions | |
655 bool has_phis_in_locals = false; | |
656 bool has_phis_on_stack = false; | |
657 | |
658 if (x->end() && x->end()->state()) { | |
659 ValueStack* state = x->state(); | |
660 | |
661 int i = 0; | |
662 while (!has_phis_on_stack && i < state->stack_size()) { | |
663 Value v = state->stack_at_inc(i); | |
664 has_phis_on_stack = is_phi_of_block(v, x); | |
665 } | |
666 | |
667 do { | |
668 for (i = 0; !has_phis_in_locals && i < state->locals_size();) { | |
669 Value v = state->local_at(i); | |
670 has_phis_in_locals = is_phi_of_block(v, x); | |
671 // also ignore illegal HiWords | |
672 if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++; | |
673 } | |
674 state = state->caller_state(); | |
675 } while (state != NULL); | |
676 | |
677 } | |
678 | |
679 // print values in locals | |
680 if (has_phis_in_locals) { | |
681 output()->cr(); output()->print_cr("Locals:"); | |
682 | |
683 ValueStack* state = x->state(); | |
684 do { | |
685 for (int i = 0; i < state->locals_size();) { | |
686 Value v = state->local_at(i); | |
687 if (v) { | |
688 print_phi(i, v, x); output()->cr(); | |
689 // also ignore illegal HiWords | |
690 i += (v->type()->is_illegal() ? 1 : v->type()->size()); | |
691 } else { | |
692 i ++; | |
693 } | |
694 } | |
695 output()->cr(); | |
696 state = state->caller_state(); | |
697 } while (state != NULL); | |
698 } | |
699 | |
700 // print values on stack | |
701 if (has_phis_on_stack) { | |
702 output()->print_cr("Stack:"); | |
703 int i = 0; | |
704 while (i < x->state()->stack_size()) { | |
705 int o = i; | |
706 Value v = x->state()->stack_at_inc(i); | |
707 if (v) { | |
708 print_phi(o, v, x); output()->cr(); | |
709 } | |
710 } | |
711 } | |
712 } | |
713 | |
714 | |
715 void InstructionPrinter::do_CheckCast(CheckCast* x) { | |
716 output()->print("checkcast("); | |
717 print_value(x->obj()); | |
718 output()->print(") "); | |
719 print_klass(x->klass()); | |
720 } | |
721 | |
722 | |
723 void InstructionPrinter::do_InstanceOf(InstanceOf* x) { | |
724 output()->print("instanceof("); | |
725 print_value(x->obj()); | |
726 output()->print(") "); | |
727 print_klass(x->klass()); | |
728 } | |
729 | |
730 | |
731 void InstructionPrinter::do_Goto(Goto* x) { | |
732 output()->print("goto B%d", x->default_sux()->block_id()); | |
733 if (x->is_safepoint()) output()->print(" (safepoint)"); | |
734 } | |
735 | |
736 | |
737 void InstructionPrinter::do_If(If* x) { | |
738 output()->print("if "); | |
739 print_value(x->x()); | |
740 output()->print(" %s ", cond_name(x->cond())); | |
741 print_value(x->y()); | |
742 output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id()); | |
743 if (x->is_safepoint()) output()->print(" (safepoint)"); | |
744 } | |
745 | |
746 | |
747 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) { | |
748 output()->print("<IfInstanceOf>"); | |
749 } | |
750 | |
751 | |
752 void InstructionPrinter::do_TableSwitch(TableSwitch* x) { | |
753 output()->print("tableswitch "); | |
754 if (x->is_safepoint()) output()->print("(safepoint) "); | |
755 print_value(x->tag()); | |
756 output()->cr(); | |
757 int l = x->length(); | |
758 for (int i = 0; i < l; i++) { | |
759 fill_to(instr_pos); | |
760 output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id()); | |
761 } | |
762 fill_to(instr_pos); | |
763 output()->print("default : B%d", x->default_sux()->block_id()); | |
764 } | |
765 | |
766 | |
767 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) { | |
768 output()->print("lookupswitch "); | |
769 if (x->is_safepoint()) output()->print("(safepoint) "); | |
770 print_value(x->tag()); | |
771 output()->cr(); | |
772 int l = x->length(); | |
773 for (int i = 0; i < l; i++) { | |
774 fill_to(instr_pos); | |
775 output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id()); | |
776 } | |
777 fill_to(instr_pos); | |
778 output()->print("default : B%d", x->default_sux()->block_id()); | |
779 } | |
780 | |
781 | |
782 void InstructionPrinter::do_Return(Return* x) { | |
783 if (x->result() == NULL) { | |
784 output()->print("return"); | |
785 } else { | |
786 output()->print("%creturn ", x->type()->tchar()); | |
787 print_value(x->result()); | |
788 } | |
789 } | |
790 | |
791 | |
792 void InstructionPrinter::do_Throw(Throw* x) { | |
793 output()->print("throw "); | |
794 print_value(x->exception()); | |
795 } | |
796 | |
797 | |
798 void InstructionPrinter::do_Base(Base* x) { | |
799 output()->print("std entry B%d", x->std_entry()->block_id()); | |
800 if (x->number_of_sux() > 1) { | |
801 output()->print(" osr entry B%d", x->osr_entry()->block_id()); | |
802 } | |
803 } | |
804 | |
805 | |
806 void InstructionPrinter::do_OsrEntry(OsrEntry* x) { | |
807 output()->print("osr entry"); | |
808 } | |
809 | |
810 | |
811 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) { | |
812 output()->print("incoming exception"); | |
813 } | |
814 | |
815 | |
816 void InstructionPrinter::do_RoundFP(RoundFP* x) { | |
817 output()->print("round_fp "); | |
818 print_value(x->input()); | |
819 } | |
820 | |
821 | |
822 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) { | |
823 print_unsafe_raw_op(x, "UnsafeGetRaw"); | |
824 output()->put(')'); | |
825 } | |
826 | |
827 | |
828 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) { | |
829 print_unsafe_raw_op(x, "UnsafePutRaw"); | |
830 output()->print(", value "); | |
831 print_value(x->value()); | |
832 output()->put(')'); | |
833 } | |
834 | |
835 | |
836 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) { | |
837 print_unsafe_object_op(x, "UnsafeGetObject"); | |
838 output()->put(')'); | |
839 } | |
840 | |
841 | |
842 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) { | |
843 print_unsafe_object_op(x, "UnsafePutObject"); | |
844 output()->print(", value "); | |
845 print_value(x->value()); | |
846 output()->put(')'); | |
847 } | |
848 | |
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849 void InstructionPrinter::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) { |
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850 print_unsafe_object_op(x, x->is_add()?"UnsafeGetAndSetObject (add)":"UnsafeGetAndSetObject"); |
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851 output()->print(", value "); |
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852 print_value(x->value()); |
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853 output()->put(')'); |
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854 } |
0 | 855 |
856 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) { | |
857 print_unsafe_object_op(x, "UnsafePrefetchRead"); | |
858 output()->put(')'); | |
859 } | |
860 | |
8860 | 861 void InstructionPrinter::do_RangeCheckPredicate(RangeCheckPredicate* x) { |
862 | |
863 if (x->x() != NULL && x->y() != NULL) { | |
864 output()->print("if "); | |
865 print_value(x->x()); | |
866 output()->print(" %s ", cond_name(x->cond())); | |
867 print_value(x->y()); | |
868 output()->print(" then deoptimize!"); | |
869 } else { | |
870 output()->print("always deoptimize!"); | |
871 } | |
872 } | |
873 | |
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874 #ifdef ASSERT |
8860 | 875 void InstructionPrinter::do_Assert(Assert* x) { |
876 output()->print("assert "); | |
877 print_value(x->x()); | |
878 output()->print(" %s ", cond_name(x->cond())); | |
879 print_value(x->y()); | |
880 } | |
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881 #endif |
0 | 882 |
883 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { | |
884 print_unsafe_object_op(x, "UnsafePrefetchWrite"); | |
885 output()->put(')'); | |
886 } | |
887 | |
888 void InstructionPrinter::do_ProfileCall(ProfileCall* x) { | |
889 output()->print("profile "); | |
890 print_value(x->recv()); | |
891 output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8()); | |
892 if (x->known_holder() != NULL) { | |
893 output()->print(", "); | |
894 print_klass(x->known_holder()); | |
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895 output()->print(" "); |
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896 } |
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897 for (int i = 0; i < x->nb_profiled_args(); i++) { |
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898 if (i > 0) output()->print(", "); |
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899 print_value(x->profiled_arg_at(i)); |
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900 if (x->arg_needs_null_check(i)) { |
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901 output()->print(" [NC]"); |
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902 } |
0 | 903 } |
904 output()->put(')'); | |
905 } | |
906 | |
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907 void InstructionPrinter::do_ProfileReturnType(ProfileReturnType* x) { |
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908 output()->print("profile ret type "); |
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909 print_value(x->ret()); |
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910 output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8()); |
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911 output()->put(')'); |
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912 } |
1783 | 913 void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) { |
914 output()->print("profile_invoke "); | |
915 output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8()); | |
916 output()->put(')'); | |
0 | 917 |
918 } | |
919 | |
2166
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920 void InstructionPrinter::do_RuntimeCall(RuntimeCall* x) { |
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921 output()->print("call_rt %s(", x->entry_name()); |
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922 for (int i = 0; i < x->number_of_arguments(); i++) { |
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923 if (i > 0) output()->print(", "); |
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924 print_value(x->argument_at(i)); |
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|
925 } |
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|
926 output()->put(')'); |
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|
927 } |
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|
928 |
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929 void InstructionPrinter::do_MemBar(MemBar* x) { |
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930 if (os::is_MP()) { |
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931 LIR_Code code = x->code(); |
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932 switch (code) { |
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933 case lir_membar_acquire : output()->print("membar_acquire"); break; |
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934 case lir_membar_release : output()->print("membar_release"); break; |
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935 case lir_membar : output()->print("membar"); break; |
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936 case lir_membar_loadload : output()->print("membar_loadload"); break; |
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937 case lir_membar_storestore: output()->print("membar_storestore"); break; |
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938 case lir_membar_loadstore : output()->print("membar_loadstore"); break; |
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939 case lir_membar_storeload : output()->print("membar_storeload"); break; |
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940 default : ShouldNotReachHere(); break; |
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941 } |
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942 } |
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943 } |
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944 |
0 | 945 #endif // PRODUCT |