Mercurial > hg > graal-jvmci-8
annotate src/share/vm/c1/c1_CodeStubs.hpp @ 1825:80c9354976b0
6988346: 6986046 breaks tiered
Summary: adjusted profiling code generation to use the new ValueStack implementation; lowered optimization level for c1_LinearScan.cpp on solaris x64.
Reviewed-by: kvn, never
author | iveresov |
---|---|
date | Wed, 29 Sep 2010 16:53:42 -0700 |
parents | d5d065957597 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2010, 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 | |
25 class CodeEmitInfo; | |
26 class LIR_Assembler; | |
27 class LIR_OpVisitState; | |
28 | |
29 // CodeStubs are little 'out-of-line' pieces of code that | |
30 // usually handle slow cases of operations. All code stubs | |
31 // are collected and code is emitted at the end of the | |
32 // nmethod. | |
33 | |
34 class CodeStub: public CompilationResourceObj { | |
35 protected: | |
36 Label _entry; // label at the stub entry point | |
37 Label _continuation; // label where stub continues, if any | |
38 | |
39 public: | |
40 CodeStub() {} | |
41 | |
42 // code generation | |
43 void assert_no_unbound_labels() { assert(!_entry.is_unbound() && !_continuation.is_unbound(), "unbound label"); } | |
44 virtual void emit_code(LIR_Assembler* e) = 0; | |
45 virtual CodeEmitInfo* info() const { return NULL; } | |
46 virtual bool is_exception_throw_stub() const { return false; } | |
47 virtual bool is_range_check_stub() const { return false; } | |
48 virtual bool is_divbyzero_stub() const { return false; } | |
49 #ifndef PRODUCT | |
50 virtual void print_name(outputStream* out) const = 0; | |
51 #endif | |
52 | |
53 // label access | |
54 Label* entry() { return &_entry; } | |
55 Label* continuation() { return &_continuation; } | |
56 // for LIR | |
57 virtual void visit(LIR_OpVisitState* visit) { | |
58 #ifndef PRODUCT | |
59 if (LIRTracePeephole && Verbose) { | |
60 tty->print("no visitor for "); | |
61 print_name(tty); | |
62 tty->cr(); | |
63 } | |
64 #endif | |
65 } | |
66 }; | |
67 | |
68 | |
69 define_array(CodeStubArray, CodeStub*) | |
70 define_stack(_CodeStubList, CodeStubArray) | |
71 | |
72 class CodeStubList: public _CodeStubList { | |
73 public: | |
74 CodeStubList(): _CodeStubList() {} | |
75 | |
76 void append(CodeStub* stub) { | |
77 if (!contains(stub)) { | |
78 _CodeStubList::append(stub); | |
79 } | |
80 } | |
81 }; | |
82 | |
83 class CounterOverflowStub: public CodeStub { | |
84 private: | |
85 CodeEmitInfo* _info; | |
86 int _bci; | |
1783 | 87 LIR_Opr _method; |
0 | 88 |
89 public: | |
1783 | 90 CounterOverflowStub(CodeEmitInfo* info, int bci, LIR_Opr method) : _info(info), _bci(bci), _method(method) { |
0 | 91 } |
92 | |
93 virtual void emit_code(LIR_Assembler* e); | |
94 | |
95 virtual void visit(LIR_OpVisitState* visitor) { | |
96 visitor->do_slow_case(_info); | |
1783 | 97 visitor->do_input(_method); |
0 | 98 } |
99 | |
100 #ifndef PRODUCT | |
101 virtual void print_name(outputStream* out) const { out->print("CounterOverflowStub"); } | |
102 #endif // PRODUCT | |
103 | |
104 }; | |
105 | |
106 class ConversionStub: public CodeStub { | |
107 private: | |
108 Bytecodes::Code _bytecode; | |
109 LIR_Opr _input; | |
110 LIR_Opr _result; | |
111 | |
112 static float float_zero; | |
113 static double double_zero; | |
114 public: | |
115 ConversionStub(Bytecodes::Code bytecode, LIR_Opr input, LIR_Opr result) | |
116 : _bytecode(bytecode), _input(input), _result(result) { | |
117 } | |
118 | |
119 Bytecodes::Code bytecode() { return _bytecode; } | |
120 LIR_Opr input() { return _input; } | |
121 LIR_Opr result() { return _result; } | |
122 | |
123 virtual void emit_code(LIR_Assembler* e); | |
124 virtual void visit(LIR_OpVisitState* visitor) { | |
125 visitor->do_slow_case(); | |
126 visitor->do_input(_input); | |
127 visitor->do_output(_result); | |
128 } | |
129 #ifndef PRODUCT | |
130 virtual void print_name(outputStream* out) const { out->print("ConversionStub"); } | |
131 #endif // PRODUCT | |
132 }; | |
133 | |
134 | |
135 // Throws ArrayIndexOutOfBoundsException by default but can be | |
136 // configured to throw IndexOutOfBoundsException in constructor | |
137 class RangeCheckStub: public CodeStub { | |
138 private: | |
139 CodeEmitInfo* _info; | |
140 LIR_Opr _index; | |
141 bool _throw_index_out_of_bounds_exception; | |
142 | |
143 public: | |
144 RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, bool throw_index_out_of_bounds_exception = false); | |
145 virtual void emit_code(LIR_Assembler* e); | |
146 virtual CodeEmitInfo* info() const { return _info; } | |
147 virtual bool is_exception_throw_stub() const { return true; } | |
148 virtual bool is_range_check_stub() const { return true; } | |
149 virtual void visit(LIR_OpVisitState* visitor) { | |
150 visitor->do_slow_case(_info); | |
151 visitor->do_input(_index); | |
152 } | |
153 #ifndef PRODUCT | |
154 virtual void print_name(outputStream* out) const { out->print("RangeCheckStub"); } | |
155 #endif // PRODUCT | |
156 }; | |
157 | |
158 | |
159 class DivByZeroStub: public CodeStub { | |
160 private: | |
161 CodeEmitInfo* _info; | |
162 int _offset; | |
163 | |
164 public: | |
165 DivByZeroStub(CodeEmitInfo* info) | |
166 : _info(info), _offset(-1) { | |
167 } | |
168 DivByZeroStub(int offset, CodeEmitInfo* info) | |
169 : _info(info), _offset(offset) { | |
170 } | |
171 virtual void emit_code(LIR_Assembler* e); | |
172 virtual CodeEmitInfo* info() const { return _info; } | |
173 virtual bool is_exception_throw_stub() const { return true; } | |
174 virtual bool is_divbyzero_stub() const { return true; } | |
175 virtual void visit(LIR_OpVisitState* visitor) { | |
176 visitor->do_slow_case(_info); | |
177 } | |
178 #ifndef PRODUCT | |
179 virtual void print_name(outputStream* out) const { out->print("DivByZeroStub"); } | |
180 #endif // PRODUCT | |
181 }; | |
182 | |
183 | |
184 class ImplicitNullCheckStub: public CodeStub { | |
185 private: | |
186 CodeEmitInfo* _info; | |
187 int _offset; | |
188 | |
189 public: | |
190 ImplicitNullCheckStub(int offset, CodeEmitInfo* info) | |
191 : _offset(offset), _info(info) { | |
192 } | |
193 virtual void emit_code(LIR_Assembler* e); | |
194 virtual CodeEmitInfo* info() const { return _info; } | |
195 virtual bool is_exception_throw_stub() const { return true; } | |
196 virtual void visit(LIR_OpVisitState* visitor) { | |
197 visitor->do_slow_case(_info); | |
198 } | |
199 #ifndef PRODUCT | |
200 virtual void print_name(outputStream* out) const { out->print("ImplicitNullCheckStub"); } | |
201 #endif // PRODUCT | |
202 }; | |
203 | |
204 | |
205 class NewInstanceStub: public CodeStub { | |
206 private: | |
207 ciInstanceKlass* _klass; | |
208 LIR_Opr _klass_reg; | |
209 LIR_Opr _result; | |
210 CodeEmitInfo* _info; | |
211 Runtime1::StubID _stub_id; | |
212 | |
213 public: | |
214 NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id); | |
215 virtual void emit_code(LIR_Assembler* e); | |
216 virtual CodeEmitInfo* info() const { return _info; } | |
217 virtual void visit(LIR_OpVisitState* visitor) { | |
218 visitor->do_slow_case(_info); | |
219 visitor->do_input(_klass_reg); | |
220 visitor->do_output(_result); | |
221 } | |
222 #ifndef PRODUCT | |
223 virtual void print_name(outputStream* out) const { out->print("NewInstanceStub"); } | |
224 #endif // PRODUCT | |
225 }; | |
226 | |
227 | |
228 class NewTypeArrayStub: public CodeStub { | |
229 private: | |
230 LIR_Opr _klass_reg; | |
231 LIR_Opr _length; | |
232 LIR_Opr _result; | |
233 CodeEmitInfo* _info; | |
234 | |
235 public: | |
236 NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info); | |
237 virtual void emit_code(LIR_Assembler* e); | |
238 virtual CodeEmitInfo* info() const { return _info; } | |
239 virtual void visit(LIR_OpVisitState* visitor) { | |
240 visitor->do_slow_case(_info); | |
241 visitor->do_input(_klass_reg); | |
242 visitor->do_input(_length); | |
243 assert(_result->is_valid(), "must be valid"); visitor->do_output(_result); | |
244 } | |
245 #ifndef PRODUCT | |
246 virtual void print_name(outputStream* out) const { out->print("NewTypeArrayStub"); } | |
247 #endif // PRODUCT | |
248 }; | |
249 | |
250 | |
251 class NewObjectArrayStub: public CodeStub { | |
252 private: | |
253 LIR_Opr _klass_reg; | |
254 LIR_Opr _length; | |
255 LIR_Opr _result; | |
256 CodeEmitInfo* _info; | |
257 | |
258 public: | |
259 NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info); | |
260 virtual void emit_code(LIR_Assembler* e); | |
261 virtual CodeEmitInfo* info() const { return _info; } | |
262 virtual void visit(LIR_OpVisitState* visitor) { | |
263 visitor->do_slow_case(_info); | |
264 visitor->do_input(_klass_reg); | |
265 visitor->do_input(_length); | |
266 assert(_result->is_valid(), "must be valid"); visitor->do_output(_result); | |
267 } | |
268 #ifndef PRODUCT | |
269 virtual void print_name(outputStream* out) const { out->print("NewObjectArrayStub"); } | |
270 #endif // PRODUCT | |
271 }; | |
272 | |
273 | |
274 class MonitorAccessStub: public CodeStub { | |
275 protected: | |
276 LIR_Opr _obj_reg; | |
277 LIR_Opr _lock_reg; | |
278 | |
279 public: | |
280 MonitorAccessStub(LIR_Opr obj_reg, LIR_Opr lock_reg) { | |
281 _obj_reg = obj_reg; | |
282 _lock_reg = lock_reg; | |
283 } | |
284 | |
285 #ifndef PRODUCT | |
286 virtual void print_name(outputStream* out) const { out->print("MonitorAccessStub"); } | |
287 #endif // PRODUCT | |
288 }; | |
289 | |
290 | |
291 class MonitorEnterStub: public MonitorAccessStub { | |
292 private: | |
293 CodeEmitInfo* _info; | |
294 | |
295 public: | |
296 MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info); | |
297 | |
298 virtual void emit_code(LIR_Assembler* e); | |
299 virtual CodeEmitInfo* info() const { return _info; } | |
300 virtual void visit(LIR_OpVisitState* visitor) { | |
301 visitor->do_input(_obj_reg); | |
302 visitor->do_input(_lock_reg); | |
303 visitor->do_slow_case(_info); | |
304 } | |
305 #ifndef PRODUCT | |
306 virtual void print_name(outputStream* out) const { out->print("MonitorEnterStub"); } | |
307 #endif // PRODUCT | |
308 }; | |
309 | |
310 | |
311 class MonitorExitStub: public MonitorAccessStub { | |
312 private: | |
313 bool _compute_lock; | |
314 int _monitor_ix; | |
315 | |
316 public: | |
317 MonitorExitStub(LIR_Opr lock_reg, bool compute_lock, int monitor_ix) | |
318 : MonitorAccessStub(LIR_OprFact::illegalOpr, lock_reg), | |
319 _compute_lock(compute_lock), _monitor_ix(monitor_ix) { } | |
320 virtual void emit_code(LIR_Assembler* e); | |
321 virtual void visit(LIR_OpVisitState* visitor) { | |
322 assert(_obj_reg->is_illegal(), "unused"); | |
323 if (_compute_lock) { | |
324 visitor->do_temp(_lock_reg); | |
325 } else { | |
326 visitor->do_input(_lock_reg); | |
327 } | |
328 } | |
329 #ifndef PRODUCT | |
330 virtual void print_name(outputStream* out) const { out->print("MonitorExitStub"); } | |
331 #endif // PRODUCT | |
332 }; | |
333 | |
334 | |
335 class PatchingStub: public CodeStub { | |
336 public: | |
337 enum PatchID { | |
338 access_field_id, | |
339 load_klass_id | |
340 }; | |
341 enum constants { | |
342 patch_info_size = 3 | |
343 }; | |
344 private: | |
345 PatchID _id; | |
346 address _pc_start; | |
347 int _bytes_to_copy; | |
348 Label _patched_code_entry; | |
349 Label _patch_site_entry; | |
350 Label _patch_site_continuation; | |
351 Register _obj; | |
352 CodeEmitInfo* _info; | |
353 int _oop_index; // index of the patchable oop in nmethod oop table if needed | |
354 static int _patch_info_offset; | |
355 | |
356 void align_patch_site(MacroAssembler* masm); | |
357 | |
358 public: | |
359 static int patch_info_offset() { return _patch_info_offset; } | |
360 | |
361 PatchingStub(MacroAssembler* masm, PatchID id, int oop_index = -1): | |
362 _id(id) | |
363 , _info(NULL) | |
364 , _oop_index(oop_index) { | |
365 if (os::is_MP()) { | |
366 // force alignment of patch sites on MP hardware so we | |
367 // can guarantee atomic writes to the patch site. | |
368 align_patch_site(masm); | |
369 } | |
370 _pc_start = masm->pc(); | |
371 masm->bind(_patch_site_entry); | |
372 } | |
373 | |
374 void install(MacroAssembler* masm, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info) { | |
375 _info = info; | |
376 _obj = obj; | |
377 masm->bind(_patch_site_continuation); | |
378 _bytes_to_copy = masm->pc() - pc_start(); | |
379 if (_id == PatchingStub::access_field_id) { | |
380 // embed a fixed offset to handle long patches which need to be offset by a word. | |
381 // the patching code will just add the field offset field to this offset so | |
382 // that we can refernce either the high or low word of a double word field. | |
383 int field_offset = 0; | |
384 switch (patch_code) { | |
385 case lir_patch_low: field_offset = lo_word_offset_in_bytes; break; | |
386 case lir_patch_high: field_offset = hi_word_offset_in_bytes; break; | |
387 case lir_patch_normal: field_offset = 0; break; | |
388 default: ShouldNotReachHere(); | |
389 } | |
390 NativeMovRegMem* n_move = nativeMovRegMem_at(pc_start()); | |
391 n_move->set_offset(field_offset); | |
392 } else if (_id == load_klass_id) { | |
393 assert(_obj != noreg, "must have register object for load_klass"); | |
394 #ifdef ASSERT | |
395 // verify that we're pointing at a NativeMovConstReg | |
396 nativeMovConstReg_at(pc_start()); | |
397 #endif | |
398 } else { | |
399 ShouldNotReachHere(); | |
400 } | |
401 assert(_bytes_to_copy <= (masm->pc() - pc_start()), "not enough bytes"); | |
402 } | |
403 | |
404 address pc_start() const { return _pc_start; } | |
405 PatchID id() const { return _id; } | |
406 | |
407 virtual void emit_code(LIR_Assembler* e); | |
408 virtual CodeEmitInfo* info() const { return _info; } | |
409 virtual void visit(LIR_OpVisitState* visitor) { | |
410 visitor->do_slow_case(_info); | |
411 } | |
412 #ifndef PRODUCT | |
413 virtual void print_name(outputStream* out) const { out->print("PatchingStub"); } | |
414 #endif // PRODUCT | |
415 }; | |
416 | |
417 | |
1295 | 418 //------------------------------------------------------------------------------ |
419 // DeoptimizeStub | |
420 // | |
421 class DeoptimizeStub : public CodeStub { | |
422 private: | |
423 CodeEmitInfo* _info; | |
424 | |
425 public: | |
426 DeoptimizeStub(CodeEmitInfo* info) : _info(new CodeEmitInfo(info)) {} | |
427 | |
428 virtual void emit_code(LIR_Assembler* e); | |
429 virtual CodeEmitInfo* info() const { return _info; } | |
430 virtual bool is_exception_throw_stub() const { return true; } | |
431 virtual void visit(LIR_OpVisitState* visitor) { | |
432 visitor->do_slow_case(_info); | |
433 } | |
434 #ifndef PRODUCT | |
435 virtual void print_name(outputStream* out) const { out->print("DeoptimizeStub"); } | |
436 #endif // PRODUCT | |
437 }; | |
438 | |
439 | |
0 | 440 class SimpleExceptionStub: public CodeStub { |
441 private: | |
442 LIR_Opr _obj; | |
443 Runtime1::StubID _stub; | |
444 CodeEmitInfo* _info; | |
445 | |
446 public: | |
447 SimpleExceptionStub(Runtime1::StubID stub, LIR_Opr obj, CodeEmitInfo* info): | |
448 _obj(obj), _info(info), _stub(stub) { | |
449 } | |
450 | |
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451 void set_obj(LIR_Opr obj) { |
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452 _obj = obj; |
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453 } |
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454 |
0 | 455 virtual void emit_code(LIR_Assembler* e); |
456 virtual CodeEmitInfo* info() const { return _info; } | |
457 virtual bool is_exception_throw_stub() const { return true; } | |
458 virtual void visit(LIR_OpVisitState* visitor) { | |
459 if (_obj->is_valid()) visitor->do_input(_obj); | |
460 visitor->do_slow_case(_info); | |
461 } | |
462 #ifndef PRODUCT | |
463 virtual void print_name(outputStream* out) const { out->print("SimpleExceptionStub"); } | |
464 #endif // PRODUCT | |
465 }; | |
466 | |
467 | |
468 | |
469 class ArrayStoreExceptionStub: public CodeStub { | |
470 private: | |
471 CodeEmitInfo* _info; | |
472 | |
473 public: | |
474 ArrayStoreExceptionStub(CodeEmitInfo* info); | |
475 virtual void emit_code(LIR_Assembler* emit); | |
476 virtual CodeEmitInfo* info() const { return _info; } | |
477 virtual bool is_exception_throw_stub() const { return true; } | |
478 virtual void visit(LIR_OpVisitState* visitor) { | |
479 visitor->do_slow_case(_info); | |
480 } | |
481 #ifndef PRODUCT | |
482 virtual void print_name(outputStream* out) const { out->print("ArrayStoreExceptionStub"); } | |
483 #endif // PRODUCT | |
484 }; | |
485 | |
486 | |
487 class ArrayCopyStub: public CodeStub { | |
488 private: | |
489 LIR_OpArrayCopy* _op; | |
490 | |
491 public: | |
492 ArrayCopyStub(LIR_OpArrayCopy* op): _op(op) { } | |
493 | |
494 LIR_Opr src() const { return _op->src(); } | |
495 LIR_Opr src_pos() const { return _op->src_pos(); } | |
496 LIR_Opr dst() const { return _op->dst(); } | |
497 LIR_Opr dst_pos() const { return _op->dst_pos(); } | |
498 LIR_Opr length() const { return _op->length(); } | |
499 LIR_Opr tmp() const { return _op->tmp(); } | |
500 | |
501 virtual void emit_code(LIR_Assembler* e); | |
502 virtual CodeEmitInfo* info() const { return _op->info(); } | |
503 virtual void visit(LIR_OpVisitState* visitor) { | |
504 // don't pass in the code emit info since it's processed in the fast path | |
505 visitor->do_slow_case(); | |
506 } | |
507 #ifndef PRODUCT | |
508 virtual void print_name(outputStream* out) const { out->print("ArrayCopyStub"); } | |
509 #endif // PRODUCT | |
510 }; | |
342 | 511 |
512 ////////////////////////////////////////////////////////////////////////////////////////// | |
513 #ifndef SERIALGC | |
514 | |
515 // Code stubs for Garbage-First barriers. | |
516 class G1PreBarrierStub: public CodeStub { | |
517 private: | |
518 LIR_Opr _addr; | |
519 LIR_Opr _pre_val; | |
520 LIR_PatchCode _patch_code; | |
521 CodeEmitInfo* _info; | |
522 | |
523 public: | |
524 // pre_val (a temporary register) must be a register; | |
525 // addr (the address of the field to be read) must be a LIR_Address | |
526 G1PreBarrierStub(LIR_Opr addr, LIR_Opr pre_val, LIR_PatchCode patch_code, CodeEmitInfo* info) : | |
527 _addr(addr), _pre_val(pre_val), _patch_code(patch_code), _info(info) | |
528 { | |
529 assert(_pre_val->is_register(), "should be temporary register"); | |
530 assert(_addr->is_address(), "should be the address of the field"); | |
531 } | |
532 | |
533 LIR_Opr addr() const { return _addr; } | |
534 LIR_Opr pre_val() const { return _pre_val; } | |
535 LIR_PatchCode patch_code() const { return _patch_code; } | |
536 CodeEmitInfo* info() const { return _info; } | |
537 | |
538 virtual void emit_code(LIR_Assembler* e); | |
539 virtual void visit(LIR_OpVisitState* visitor) { | |
540 // don't pass in the code emit info since it's processed in the fast | |
541 // path | |
542 if (_info != NULL) | |
543 visitor->do_slow_case(_info); | |
544 else | |
545 visitor->do_slow_case(); | |
546 visitor->do_input(_addr); | |
547 visitor->do_temp(_pre_val); | |
548 } | |
549 #ifndef PRODUCT | |
550 virtual void print_name(outputStream* out) const { out->print("G1PreBarrierStub"); } | |
551 #endif // PRODUCT | |
552 }; | |
553 | |
554 class G1PostBarrierStub: public CodeStub { | |
555 private: | |
556 LIR_Opr _addr; | |
557 LIR_Opr _new_val; | |
558 | |
559 static jbyte* _byte_map_base; | |
560 static jbyte* byte_map_base_slow(); | |
561 static jbyte* byte_map_base() { | |
562 if (_byte_map_base == NULL) { | |
563 _byte_map_base = byte_map_base_slow(); | |
564 } | |
565 return _byte_map_base; | |
566 } | |
567 | |
568 public: | |
569 // addr (the address of the object head) and new_val must be registers. | |
570 G1PostBarrierStub(LIR_Opr addr, LIR_Opr new_val): _addr(addr), _new_val(new_val) { } | |
571 | |
572 LIR_Opr addr() const { return _addr; } | |
573 LIR_Opr new_val() const { return _new_val; } | |
574 | |
575 virtual void emit_code(LIR_Assembler* e); | |
576 virtual void visit(LIR_OpVisitState* visitor) { | |
577 // don't pass in the code emit info since it's processed in the fast path | |
578 visitor->do_slow_case(); | |
579 visitor->do_input(_addr); | |
580 visitor->do_input(_new_val); | |
581 } | |
582 #ifndef PRODUCT | |
583 virtual void print_name(outputStream* out) const { out->print("G1PostBarrierStub"); } | |
584 #endif // PRODUCT | |
585 }; | |
586 | |
587 #endif // SERIALGC | |
588 ////////////////////////////////////////////////////////////////////////////////////////// |