1 /*
2 * Copyright (c) 2000, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "c1/c1_InstructionPrinter.hpp"
27 #include "c1/c1_LIR.hpp"
28 #include "c1/c1_LIRAssembler.hpp"
29 #include "c1/c1_ValueStack.hpp"
30 #include "ci/ciInstance.hpp"
31 #include "runtime/sharedRuntime.hpp"
32
33 Register LIR_OprDesc::as_register() const {
34 return FrameMap::cpu_rnr2reg(cpu_regnr());
35 }
36
37 Register LIR_OprDesc::as_register_lo() const {
38 return FrameMap::cpu_rnr2reg(cpu_regnrLo());
39 }
40
41 Register LIR_OprDesc::as_register_hi() const {
42 return FrameMap::cpu_rnr2reg(cpu_regnrHi());
43 }
44
45 #if defined(X86)
46
47 XMMRegister LIR_OprDesc::as_xmm_float_reg() const {
48 return FrameMap::nr2xmmreg(xmm_regnr());
49 }
50
51 XMMRegister LIR_OprDesc::as_xmm_double_reg() const {
52 assert(xmm_regnrLo() == xmm_regnrHi(), "assumed in calculation");
53 return FrameMap::nr2xmmreg(xmm_regnrLo());
54 }
55
56 #endif // X86
57
58 #if defined(SPARC) || defined(PPC32)
59
60 FloatRegister LIR_OprDesc::as_float_reg() const {
61 return FrameMap::nr2floatreg(fpu_regnr());
62 }
63
64 FloatRegister LIR_OprDesc::as_double_reg() const {
65 return FrameMap::nr2floatreg(fpu_regnrHi());
66 }
67
68 #endif
69
70 #if defined(ARM) || defined(AARCH64) || defined(PPC64)
71
72 FloatRegister LIR_OprDesc::as_float_reg() const {
73 return as_FloatRegister(fpu_regnr());
74 }
75
76 FloatRegister LIR_OprDesc::as_double_reg() const {
77 return as_FloatRegister(fpu_regnrLo());
78 }
79
80 #endif
81
82
83 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
84
85 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
86 ValueTag tag = type->tag();
87 switch (tag) {
88 case metaDataTag : {
89 ClassConstant* c = type->as_ClassConstant();
90 if (c != NULL && !c->value()->is_loaded()) {
91 return LIR_OprFact::metadataConst(NULL);
92 } else if (c != NULL) {
93 return LIR_OprFact::metadataConst(c->value()->constant_encoding());
94 } else {
95 MethodConstant* m = type->as_MethodConstant();
96 assert (m != NULL, "not a class or a method?");
97 return LIR_OprFact::metadataConst(m->value()->constant_encoding());
98 }
99 }
100 case objectTag : {
101 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
102 }
103 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
104 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value());
105 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
106 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value());
107 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
108 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
109 }
110 }
111
112
113 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) {
114 switch (type->tag()) {
115 case objectTag: return LIR_OprFact::oopConst(NULL);
116 case addressTag:return LIR_OprFact::addressConst(0);
117 case intTag: return LIR_OprFact::intConst(0);
118 case floatTag: return LIR_OprFact::floatConst(0.0);
119 case longTag: return LIR_OprFact::longConst(0);
120 case doubleTag: return LIR_OprFact::doubleConst(0.0);
121 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
122 }
123 return illegalOpr;
124 }
125
126
127
128 //---------------------------------------------------
129
130
131 LIR_Address::Scale LIR_Address::scale(BasicType type) {
132 int elem_size = type2aelembytes(type);
133 switch (elem_size) {
134 case 1: return LIR_Address::times_1;
135 case 2: return LIR_Address::times_2;
136 case 4: return LIR_Address::times_4;
137 case 8: return LIR_Address::times_8;
138 }
139 ShouldNotReachHere();
140 return LIR_Address::times_1;
141 }
142
143
144 #ifndef PRODUCT
145 void LIR_Address::verify0() const {
146 #if defined(SPARC) || defined(PPC)
147 assert(scale() == times_1, "Scaled addressing mode not available on SPARC/PPC and should not be used");
148 assert(disp() == 0 || index()->is_illegal(), "can't have both");
149 #endif
150 #ifdef _LP64
151 assert(base()->is_cpu_register(), "wrong base operand");
152 #ifndef AARCH64
153 assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
154 #else
155 assert(index()->is_illegal() || index()->is_double_cpu() || index()->is_single_cpu(), "wrong index operand");
156 #endif
157 assert(base()->type() == T_OBJECT || base()->type() == T_LONG || base()->type() == T_METADATA,
158 "wrong type for addresses");
159 #else
160 assert(base()->is_single_cpu(), "wrong base operand");
161 assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand");
162 assert(base()->type() == T_OBJECT || base()->type() == T_INT || base()->type() == T_METADATA,
163 "wrong type for addresses");
164 #endif
165 }
166 #endif
167
168
169 //---------------------------------------------------
170
171 char LIR_OprDesc::type_char(BasicType t) {
172 switch (t) {
173 case T_ARRAY:
174 t = T_OBJECT;
175 case T_BOOLEAN:
176 case T_CHAR:
177 case T_FLOAT:
178 case T_DOUBLE:
179 case T_BYTE:
180 case T_SHORT:
181 case T_INT:
182 case T_LONG:
183 case T_OBJECT:
184 case T_ADDRESS:
185 case T_VOID:
186 return ::type2char(t);
187 case T_METADATA:
188 return 'M';
189 case T_ILLEGAL:
190 return '?';
191
192 default:
193 ShouldNotReachHere();
194 return '?';
195 }
196 }
197
198 #ifndef PRODUCT
199 void LIR_OprDesc::validate_type() const {
200
201 #ifdef ASSERT
202 if (!is_pointer() && !is_illegal()) {
203 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160
204 switch (as_BasicType(type_field())) {
205 case T_LONG:
206 assert((kindfield == cpu_register || kindfield == stack_value) &&
207 size_field() == double_size, "must match");
208 break;
209 case T_FLOAT:
210 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI)
211 assert((kindfield == fpu_register || kindfield == stack_value
212 ARM_ONLY(|| kindfield == cpu_register)
213 PPC32_ONLY(|| kindfield == cpu_register) ) &&
214 size_field() == single_size, "must match");
215 break;
216 case T_DOUBLE:
217 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI)
218 assert((kindfield == fpu_register || kindfield == stack_value
219 ARM_ONLY(|| kindfield == cpu_register)
220 PPC32_ONLY(|| kindfield == cpu_register) ) &&
221 size_field() == double_size, "must match");
222 break;
223 case T_BOOLEAN:
224 case T_CHAR:
225 case T_BYTE:
226 case T_SHORT:
227 case T_INT:
228 case T_ADDRESS:
229 case T_OBJECT:
230 case T_METADATA:
231 case T_ARRAY:
232 assert((kindfield == cpu_register || kindfield == stack_value) &&
233 size_field() == single_size, "must match");
234 break;
235
236 case T_ILLEGAL:
237 // XXX TKR also means unknown right now
238 // assert(is_illegal(), "must match");
239 break;
240
241 default:
242 ShouldNotReachHere();
243 }
244 }
245 #endif
246
247 }
248 #endif // PRODUCT
249
250
251 bool LIR_OprDesc::is_oop() const {
252 if (is_pointer()) {
253 return pointer()->is_oop_pointer();
254 } else {
255 OprType t= type_field();
256 assert(t != unknown_type, "not set");
257 return t == object_type;
258 }
259 }
260
261
262
263 void LIR_Op2::verify() const {
264 #ifdef ASSERT
265 switch (code()) {
266 case lir_cmove:
267 case lir_xchg:
268 break;
269
270 default:
271 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
272 "can't produce oops from arith");
273 }
274
275 if (TwoOperandLIRForm) {
276 switch (code()) {
277 case lir_add:
278 case lir_sub:
279 case lir_mul:
280 case lir_mul_strictfp:
281 case lir_div:
282 case lir_div_strictfp:
283 case lir_rem:
284 case lir_logic_and:
285 case lir_logic_or:
286 case lir_logic_xor:
287 case lir_shl:
288 case lir_shr:
289 assert(in_opr1() == result_opr(), "opr1 and result must match");
290 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
291 break;
292
293 // special handling for lir_ushr because of write barriers
294 case lir_ushr:
295 assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant");
296 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
297 break;
298
299 }
300 }
301 #endif
302 }
303
304
305 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
306 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
307 , _cond(cond)
308 , _type(type)
309 , _label(block->label())
310 , _block(block)
311 , _ublock(NULL)
312 , _stub(NULL) {
313 }
314
315 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
316 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
317 , _cond(cond)
318 , _type(type)
319 , _label(stub->entry())
320 , _block(NULL)
321 , _ublock(NULL)
322 , _stub(stub) {
323 }
324
325 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock)
326 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
327 , _cond(cond)
328 , _type(type)
329 , _label(block->label())
330 , _block(block)
331 , _ublock(ublock)
332 , _stub(NULL)
333 {
334 }
335
336 void LIR_OpBranch::change_block(BlockBegin* b) {
337 assert(_block != NULL, "must have old block");
338 assert(_block->label() == label(), "must be equal");
339
340 _block = b;
341 _label = b->label();
342 }
343
344 void LIR_OpBranch::change_ublock(BlockBegin* b) {
345 assert(_ublock != NULL, "must have old block");
346 _ublock = b;
347 }
348
349 void LIR_OpBranch::negate_cond() {
350 switch (_cond) {
351 case lir_cond_equal: _cond = lir_cond_notEqual; break;
352 case lir_cond_notEqual: _cond = lir_cond_equal; break;
353 case lir_cond_less: _cond = lir_cond_greaterEqual; break;
354 case lir_cond_lessEqual: _cond = lir_cond_greater; break;
355 case lir_cond_greaterEqual: _cond = lir_cond_less; break;
356 case lir_cond_greater: _cond = lir_cond_lessEqual; break;
357 default: ShouldNotReachHere();
358 }
359 }
360
361
362 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
363 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
364 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
365 CodeStub* stub)
366
367 : LIR_Op(code, result, NULL)
368 , _object(object)
369 , _array(LIR_OprFact::illegalOpr)
370 , _klass(klass)
371 , _tmp1(tmp1)
372 , _tmp2(tmp2)
373 , _tmp3(tmp3)
374 , _fast_check(fast_check)
375 , _stub(stub)
376 , _info_for_patch(info_for_patch)
377 , _info_for_exception(info_for_exception)
378 , _profiled_method(NULL)
379 , _profiled_bci(-1)
380 , _should_profile(false)
381 {
382 if (code == lir_checkcast) {
383 assert(info_for_exception != NULL, "checkcast throws exceptions");
384 } else if (code == lir_instanceof) {
385 assert(info_for_exception == NULL, "instanceof throws no exceptions");
386 } else {
387 ShouldNotReachHere();
388 }
389 }
390
391
392
393 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception)
394 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
395 , _object(object)
396 , _array(array)
397 , _klass(NULL)
398 , _tmp1(tmp1)
399 , _tmp2(tmp2)
400 , _tmp3(tmp3)
401 , _fast_check(false)
402 , _stub(NULL)
403 , _info_for_patch(NULL)
404 , _info_for_exception(info_for_exception)
405 , _profiled_method(NULL)
406 , _profiled_bci(-1)
407 , _should_profile(false)
408 {
409 if (code == lir_store_check) {
410 _stub = new ArrayStoreExceptionStub(object, info_for_exception);
411 assert(info_for_exception != NULL, "store_check throws exceptions");
412 } else {
413 ShouldNotReachHere();
414 }
415 }
416
417
418 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
419 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
420 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
421 , _tmp(tmp)
422 , _src(src)
423 , _src_pos(src_pos)
424 , _dst(dst)
425 , _dst_pos(dst_pos)
426 , _flags(flags)
427 , _expected_type(expected_type)
428 , _length(length) {
429 _stub = new ArrayCopyStub(this);
430 }
431
432 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
433 : LIR_Op(lir_updatecrc32, res, NULL)
434 , _crc(crc)
435 , _val(val) {
436 }
437
438 //-------------------verify--------------------------
439
440 void LIR_Op1::verify() const {
441 switch(code()) {
442 case lir_move:
443 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
444 break;
445 case lir_null_check:
446 assert(in_opr()->is_register(), "must be");
447 break;
448 case lir_return:
449 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
450 break;
451 }
452 }
453
454 void LIR_OpRTCall::verify() const {
455 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
456 }
457
458 //-------------------visits--------------------------
459
460 // complete rework of LIR instruction visitor.
461 // The virtual call for each instruction type is replaced by a big
462 // switch that adds the operands for each instruction
463
464 void LIR_OpVisitState::visit(LIR_Op* op) {
465 // copy information from the LIR_Op
466 reset();
467 set_op(op);
468
469 switch (op->code()) {
470
471 // LIR_Op0
472 case lir_word_align: // result and info always invalid
473 case lir_backwardbranch_target: // result and info always invalid
474 case lir_build_frame: // result and info always invalid
475 case lir_fpop_raw: // result and info always invalid
476 case lir_24bit_FPU: // result and info always invalid
477 case lir_reset_FPU: // result and info always invalid
478 case lir_breakpoint: // result and info always invalid
479 case lir_membar: // result and info always invalid
480 case lir_membar_acquire: // result and info always invalid
481 case lir_membar_release: // result and info always invalid
482 case lir_membar_loadload: // result and info always invalid
483 case lir_membar_storestore: // result and info always invalid
484 case lir_membar_loadstore: // result and info always invalid
485 case lir_membar_storeload: // result and info always invalid
486 case lir_on_spin_wait:
487 {
488 assert(op->as_Op0() != NULL, "must be");
489 assert(op->_info == NULL, "info not used by this instruction");
490 assert(op->_result->is_illegal(), "not used");
491 break;
492 }
493
494 case lir_nop: // may have info, result always invalid
495 case lir_std_entry: // may have result, info always invalid
496 case lir_osr_entry: // may have result, info always invalid
497 case lir_get_thread: // may have result, info always invalid
498 {
499 assert(op->as_Op0() != NULL, "must be");
500 if (op->_info != NULL) do_info(op->_info);
501 if (op->_result->is_valid()) do_output(op->_result);
502 break;
503 }
504
505
506 // LIR_OpLabel
507 case lir_label: // result and info always invalid
508 {
509 assert(op->as_OpLabel() != NULL, "must be");
510 assert(op->_info == NULL, "info not used by this instruction");
511 assert(op->_result->is_illegal(), "not used");
512 break;
513 }
514
515
516 // LIR_Op1
517 case lir_fxch: // input always valid, result and info always invalid
518 case lir_fld: // input always valid, result and info always invalid
519 case lir_ffree: // input always valid, result and info always invalid
520 case lir_push: // input always valid, result and info always invalid
521 case lir_pop: // input always valid, result and info always invalid
522 case lir_return: // input always valid, result and info always invalid
523 case lir_leal: // input and result always valid, info always invalid
524 case lir_neg: // input and result always valid, info always invalid
525 case lir_monaddr: // input and result always valid, info always invalid
526 case lir_null_check: // input and info always valid, result always invalid
527 case lir_move: // input and result always valid, may have info
528 case lir_pack64: // input and result always valid
529 case lir_unpack64: // input and result always valid
530 {
531 assert(op->as_Op1() != NULL, "must be");
532 LIR_Op1* op1 = (LIR_Op1*)op;
533
534 if (op1->_info) do_info(op1->_info);
535 if (op1->_opr->is_valid()) do_input(op1->_opr);
536 if (op1->_result->is_valid()) do_output(op1->_result);
537
538 break;
539 }
540
541 case lir_safepoint:
542 {
543 assert(op->as_Op1() != NULL, "must be");
544 LIR_Op1* op1 = (LIR_Op1*)op;
545
546 assert(op1->_info != NULL, ""); do_info(op1->_info);
547 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register
548 assert(op1->_result->is_illegal(), "safepoint does not produce value");
549
550 break;
551 }
552
553 // LIR_OpConvert;
554 case lir_convert: // input and result always valid, info always invalid
555 {
556 assert(op->as_OpConvert() != NULL, "must be");
557 LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
558
559 assert(opConvert->_info == NULL, "must be");
560 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr);
561 if (opConvert->_result->is_valid()) do_output(opConvert->_result);
562 #ifdef PPC32
563 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1);
564 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2);
565 #endif
566 do_stub(opConvert->_stub);
567
568 break;
569 }
570
571 // LIR_OpBranch;
572 case lir_branch: // may have info, input and result register always invalid
573 case lir_cond_float_branch: // may have info, input and result register always invalid
574 {
575 assert(op->as_OpBranch() != NULL, "must be");
576 LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
577
578 if (opBranch->_info != NULL) do_info(opBranch->_info);
579 assert(opBranch->_result->is_illegal(), "not used");
580 if (opBranch->_stub != NULL) opBranch->stub()->visit(this);
581
582 break;
583 }
584
585
586 // LIR_OpAllocObj
587 case lir_alloc_object:
588 {
589 assert(op->as_OpAllocObj() != NULL, "must be");
590 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
591
592 if (opAllocObj->_info) do_info(opAllocObj->_info);
593 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr);
594 do_temp(opAllocObj->_opr);
595 }
596 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1);
597 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2);
598 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3);
599 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4);
600 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result);
601 do_stub(opAllocObj->_stub);
602 break;
603 }
604
605
606 // LIR_OpRoundFP;
607 case lir_roundfp: {
608 assert(op->as_OpRoundFP() != NULL, "must be");
609 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
610
611 assert(op->_info == NULL, "info not used by this instruction");
612 assert(opRoundFP->_tmp->is_illegal(), "not used");
613 do_input(opRoundFP->_opr);
614 do_output(opRoundFP->_result);
615
616 break;
617 }
618
619
620 // LIR_Op2
621 case lir_cmp:
622 case lir_cmp_l2i:
623 case lir_ucmp_fd2i:
624 case lir_cmp_fd2i:
625 case lir_add:
626 case lir_sub:
627 case lir_mul:
628 case lir_div:
629 case lir_rem:
630 case lir_sqrt:
631 case lir_abs:
632 case lir_logic_and:
633 case lir_logic_or:
634 case lir_logic_xor:
635 case lir_shl:
636 case lir_shr:
637 case lir_ushr:
638 case lir_xadd:
639 case lir_xchg:
640 case lir_assert:
641 {
642 assert(op->as_Op2() != NULL, "must be");
643 LIR_Op2* op2 = (LIR_Op2*)op;
644 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
645 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
646
647 if (op2->_info) do_info(op2->_info);
648 if (op2->_opr1->is_valid()) do_input(op2->_opr1);
649 if (op2->_opr2->is_valid()) do_input(op2->_opr2);
650 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
651 if (op2->_result->is_valid()) do_output(op2->_result);
652 if (op->code() == lir_xchg || op->code() == lir_xadd) {
653 // on ARM and PPC, return value is loaded first so could
654 // destroy inputs. On other platforms that implement those
655 // (x86, sparc), the extra constrainsts are harmless.
656 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
657 if (op2->_opr2->is_valid()) do_temp(op2->_opr2);
658 }
659
660 break;
661 }
662
663 // special handling for cmove: right input operand must not be equal
664 // to the result operand, otherwise the backend fails
665 case lir_cmove:
666 {
667 assert(op->as_Op2() != NULL, "must be");
668 LIR_Op2* op2 = (LIR_Op2*)op;
669
670 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() &&
671 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
672 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
673
674 do_input(op2->_opr1);
675 do_input(op2->_opr2);
676 do_temp(op2->_opr2);
677 do_output(op2->_result);
678
679 break;
680 }
681
682 // vspecial handling for strict operations: register input operands
683 // as temp to guarantee that they do not overlap with other
684 // registers
685 case lir_mul_strictfp:
686 case lir_div_strictfp:
687 {
688 assert(op->as_Op2() != NULL, "must be");
689 LIR_Op2* op2 = (LIR_Op2*)op;
690
691 assert(op2->_info == NULL, "not used");
692 assert(op2->_opr1->is_valid(), "used");
693 assert(op2->_opr2->is_valid(), "used");
694 assert(op2->_result->is_valid(), "used");
695 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
696 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
697
698 do_input(op2->_opr1); do_temp(op2->_opr1);
699 do_input(op2->_opr2); do_temp(op2->_opr2);
700 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
701 do_output(op2->_result);
702
703 break;
704 }
705
706 case lir_throw: {
707 assert(op->as_Op2() != NULL, "must be");
708 LIR_Op2* op2 = (LIR_Op2*)op;
709
710 if (op2->_info) do_info(op2->_info);
711 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
712 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter
713 assert(op2->_result->is_illegal(), "no result");
714 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
715 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
716
717 break;
718 }
719
720 case lir_unwind: {
721 assert(op->as_Op1() != NULL, "must be");
722 LIR_Op1* op1 = (LIR_Op1*)op;
723
724 assert(op1->_info == NULL, "no info");
725 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr);
726 assert(op1->_result->is_illegal(), "no result");
727
728 break;
729 }
730
731 // LIR_Op3
732 case lir_idiv:
733 case lir_irem:
734 case lir_fmad:
735 case lir_fmaf: {
736 assert(op->as_Op3() != NULL, "must be");
737 LIR_Op3* op3= (LIR_Op3*)op;
738
739 if (op3->_info) do_info(op3->_info);
740 if (op3->_opr1->is_valid()) do_input(op3->_opr1);
741
742 // second operand is input and temp, so ensure that second operand
743 // and third operand get not the same register
744 if (op3->_opr2->is_valid()) do_input(op3->_opr2);
745 if (op3->_opr2->is_valid()) do_temp(op3->_opr2);
746 if (op3->_opr3->is_valid()) do_temp(op3->_opr3);
747
748 if (op3->_result->is_valid()) do_output(op3->_result);
749
750 break;
751 }
752
753
754 // LIR_OpJavaCall
755 case lir_static_call:
756 case lir_optvirtual_call:
757 case lir_icvirtual_call:
758 case lir_virtual_call:
759 case lir_dynamic_call: {
760 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
761 assert(opJavaCall != NULL, "must be");
762
763 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver);
764
765 // only visit register parameters
766 int n = opJavaCall->_arguments->length();
767 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
768 if (!opJavaCall->_arguments->at(i)->is_pointer()) {
769 do_input(*opJavaCall->_arguments->adr_at(i));
770 }
771 }
772
773 if (opJavaCall->_info) do_info(opJavaCall->_info);
774 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr &&
775 opJavaCall->is_method_handle_invoke()) {
776 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
777 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
778 }
779 do_call();
780 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result);
781
782 break;
783 }
784
785
786 // LIR_OpRTCall
787 case lir_rtcall: {
788 assert(op->as_OpRTCall() != NULL, "must be");
789 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
790
791 // only visit register parameters
792 int n = opRTCall->_arguments->length();
793 for (int i = 0; i < n; i++) {
794 if (!opRTCall->_arguments->at(i)->is_pointer()) {
795 do_input(*opRTCall->_arguments->adr_at(i));
796 }
797 }
798 if (opRTCall->_info) do_info(opRTCall->_info);
799 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp);
800 do_call();
801 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result);
802
803 break;
804 }
805
806
807 // LIR_OpArrayCopy
808 case lir_arraycopy: {
809 assert(op->as_OpArrayCopy() != NULL, "must be");
810 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
811
812 assert(opArrayCopy->_result->is_illegal(), "unused");
813 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src);
814 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
815 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst);
816 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
817 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length);
818 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp);
819 if (opArrayCopy->_info) do_info(opArrayCopy->_info);
820
821 // the implementation of arraycopy always has a call into the runtime
822 do_call();
823
824 break;
825 }
826
827
828 // LIR_OpUpdateCRC32
829 case lir_updatecrc32: {
830 assert(op->as_OpUpdateCRC32() != NULL, "must be");
831 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
832
833 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc);
834 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val);
835 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result);
836 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32");
837
838 break;
839 }
840
841
842 // LIR_OpLock
843 case lir_lock:
844 case lir_unlock: {
845 assert(op->as_OpLock() != NULL, "must be");
846 LIR_OpLock* opLock = (LIR_OpLock*)op;
847
848 if (opLock->_info) do_info(opLock->_info);
849
850 // TODO: check if these operands really have to be temp
851 // (or if input is sufficient). This may have influence on the oop map!
852 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
853 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
854 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
855
856 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
857 assert(opLock->_result->is_illegal(), "unused");
858
859 do_stub(opLock->_stub);
860
861 break;
862 }
863
864
865 // LIR_OpDelay
866 case lir_delay_slot: {
867 assert(op->as_OpDelay() != NULL, "must be");
868 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
869
870 visit(opDelay->delay_op());
871 break;
872 }
873
874 // LIR_OpTypeCheck
875 case lir_instanceof:
876 case lir_checkcast:
877 case lir_store_check: {
878 assert(op->as_OpTypeCheck() != NULL, "must be");
879 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
880
881 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
882 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
883 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
884 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
885 do_temp(opTypeCheck->_object);
886 }
887 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
888 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
889 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
890 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
891 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
892 do_stub(opTypeCheck->_stub);
893 break;
894 }
895
896 // LIR_OpCompareAndSwap
897 case lir_cas_long:
898 case lir_cas_obj:
899 case lir_cas_int: {
900 assert(op->as_OpCompareAndSwap() != NULL, "must be");
901 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
902
903 assert(opCompareAndSwap->_addr->is_valid(), "used");
904 assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
905 assert(opCompareAndSwap->_new_value->is_valid(), "used");
906 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info);
907 do_input(opCompareAndSwap->_addr);
908 do_temp(opCompareAndSwap->_addr);
909 do_input(opCompareAndSwap->_cmp_value);
910 do_temp(opCompareAndSwap->_cmp_value);
911 do_input(opCompareAndSwap->_new_value);
912 do_temp(opCompareAndSwap->_new_value);
913 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1);
914 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2);
915 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result);
916
917 break;
918 }
919
920
921 // LIR_OpAllocArray;
922 case lir_alloc_array: {
923 assert(op->as_OpAllocArray() != NULL, "must be");
924 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
925
926 if (opAllocArray->_info) do_info(opAllocArray->_info);
927 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
928 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len);
929 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1);
930 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2);
931 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3);
932 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4);
933 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result);
934 do_stub(opAllocArray->_stub);
935 break;
936 }
937
938 // LIR_OpProfileCall:
939 case lir_profile_call: {
940 assert(op->as_OpProfileCall() != NULL, "must be");
941 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
942
943 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
944 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
945 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
946 break;
947 }
948
949 // LIR_OpProfileType:
950 case lir_profile_type: {
951 assert(op->as_OpProfileType() != NULL, "must be");
952 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
953
954 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
955 do_input(opProfileType->_obj);
956 do_temp(opProfileType->_tmp);
957 break;
958 }
959 default:
960 ShouldNotReachHere();
961 }
962 }
963
964
965 void LIR_OpVisitState::do_stub(CodeStub* stub) {
966 if (stub != NULL) {
967 stub->visit(this);
968 }
969 }
970
971 XHandlers* LIR_OpVisitState::all_xhandler() {
972 XHandlers* result = NULL;
973
974 int i;
975 for (i = 0; i < info_count(); i++) {
976 if (info_at(i)->exception_handlers() != NULL) {
977 result = info_at(i)->exception_handlers();
978 break;
979 }
980 }
981
982 #ifdef ASSERT
983 for (i = 0; i < info_count(); i++) {
984 assert(info_at(i)->exception_handlers() == NULL ||
985 info_at(i)->exception_handlers() == result,
986 "only one xhandler list allowed per LIR-operation");
987 }
988 #endif
989
990 if (result != NULL) {
991 return result;
992 } else {
993 return new XHandlers();
994 }
995
996 return result;
997 }
998
999
1000 #ifdef ASSERT
1001 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
1002 visit(op);
1003
1004 return opr_count(inputMode) == 0 &&
1005 opr_count(outputMode) == 0 &&
1006 opr_count(tempMode) == 0 &&
1007 info_count() == 0 &&
1008 !has_call() &&
1009 !has_slow_case();
1010 }
1011 #endif
1012
1013 //---------------------------------------------------
1014
1015
1016 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
1017 masm->emit_call(this);
1018 }
1019
1020 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
1021 masm->emit_rtcall(this);
1022 }
1023
1024 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1025 masm->emit_opLabel(this);
1026 }
1027
1028 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1029 masm->emit_arraycopy(this);
1030 masm->append_code_stub(stub());
1031 }
1032
1033 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1034 masm->emit_updatecrc32(this);
1035 }
1036
1037 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1038 masm->emit_op0(this);
1039 }
1040
1041 void LIR_Op1::emit_code(LIR_Assembler* masm) {
1042 masm->emit_op1(this);
1043 }
1044
1045 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
1046 masm->emit_alloc_obj(this);
1047 masm->append_code_stub(stub());
1048 }
1049
1050 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
1051 masm->emit_opBranch(this);
1052 if (stub()) {
1053 masm->append_code_stub(stub());
1054 }
1055 }
1056
1057 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
1058 masm->emit_opConvert(this);
1059 if (stub() != NULL) {
1060 masm->append_code_stub(stub());
1061 }
1062 }
1063
1064 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1065 masm->emit_op2(this);
1066 }
1067
1068 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1069 masm->emit_alloc_array(this);
1070 masm->append_code_stub(stub());
1071 }
1072
1073 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1074 masm->emit_opTypeCheck(this);
1075 if (stub()) {
1076 masm->append_code_stub(stub());
1077 }
1078 }
1079
1080 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1081 masm->emit_compare_and_swap(this);
1082 }
1083
1084 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1085 masm->emit_op3(this);
1086 }
1087
1088 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1089 masm->emit_lock(this);
1090 if (stub()) {
1091 masm->append_code_stub(stub());
1092 }
1093 }
1094
1095 #ifdef ASSERT
1096 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1097 masm->emit_assert(this);
1098 }
1099 #endif
1100
1101 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1102 masm->emit_delay(this);
1103 }
1104
1105 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1106 masm->emit_profile_call(this);
1107 }
1108
1109 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1110 masm->emit_profile_type(this);
1111 }
1112
1113 // LIR_List
1114 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1115 : _operations(8)
1116 , _compilation(compilation)
1117 #ifndef PRODUCT
1118 , _block(block)
1119 #endif
1120 #ifdef ASSERT
1121 , _file(NULL)
1122 , _line(0)
1123 #endif
1124 { }
1125
1126
1127 #ifdef ASSERT
1128 void LIR_List::set_file_and_line(const char * file, int line) {
1129 const char * f = strrchr(file, '/');
1130 if (f == NULL) f = strrchr(file, '\\');
1131 if (f == NULL) {
1132 f = file;
1133 } else {
1134 f++;
1135 }
1136 _file = f;
1137 _line = line;
1138 }
1139 #endif
1140
1141
1142 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1143 assert(this == buffer->lir_list(), "wrong lir list");
1144 const int n = _operations.length();
1145
1146 if (buffer->number_of_ops() > 0) {
1147 // increase size of instructions list
1148 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
1149 // insert ops from buffer into instructions list
1150 int op_index = buffer->number_of_ops() - 1;
1151 int ip_index = buffer->number_of_insertion_points() - 1;
1152 int from_index = n - 1;
1153 int to_index = _operations.length() - 1;
1154 for (; ip_index >= 0; ip_index --) {
1155 int index = buffer->index_at(ip_index);
1156 // make room after insertion point
1157 while (index < from_index) {
1158 _operations.at_put(to_index --, _operations.at(from_index --));
1159 }
1160 // insert ops from buffer
1161 for (int i = buffer->count_at(ip_index); i > 0; i --) {
1162 _operations.at_put(to_index --, buffer->op_at(op_index --));
1163 }
1164 }
1165 }
1166
1167 buffer->finish();
1168 }
1169
1170
1171 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1172 assert(reg->type() == T_OBJECT, "bad reg");
1173 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info));
1174 }
1175
1176 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1177 assert(reg->type() == T_METADATA, "bad reg");
1178 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1179 }
1180
1181 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1182 append(new LIR_Op1(
1183 lir_move,
1184 LIR_OprFact::address(addr),
1185 src,
1186 addr->type(),
1187 patch_code,
1188 info));
1189 }
1190
1191
1192 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1193 append(new LIR_Op1(
1194 lir_move,
1195 LIR_OprFact::address(address),
1196 dst,
1197 address->type(),
1198 patch_code,
1199 info, lir_move_volatile));
1200 }
1201
1202 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1203 append(new LIR_Op1(
1204 lir_move,
1205 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1206 dst,
1207 type,
1208 patch_code,
1209 info, lir_move_volatile));
1210 }
1211
1212
1213 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1214 append(new LIR_Op1(
1215 lir_move,
1216 LIR_OprFact::intConst(v),
1217 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1218 type,
1219 patch_code,
1220 info));
1221 }
1222
1223
1224 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1225 append(new LIR_Op1(
1226 lir_move,
1227 LIR_OprFact::oopConst(o),
1228 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1229 type,
1230 patch_code,
1231 info));
1232 }
1233
1234
1235 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1236 append(new LIR_Op1(
1237 lir_move,
1238 src,
1239 LIR_OprFact::address(addr),
1240 addr->type(),
1241 patch_code,
1242 info));
1243 }
1244
1245
1246 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1247 append(new LIR_Op1(
1248 lir_move,
1249 src,
1250 LIR_OprFact::address(addr),
1251 addr->type(),
1252 patch_code,
1253 info,
1254 lir_move_volatile));
1255 }
1256
1257 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1258 append(new LIR_Op1(
1259 lir_move,
1260 src,
1261 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1262 type,
1263 patch_code,
1264 info, lir_move_volatile));
1265 }
1266
1267
1268 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1269 append(new LIR_Op3(
1270 lir_idiv,
1271 left,
1272 right,
1273 tmp,
1274 res,
1275 info));
1276 }
1277
1278
1279 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1280 append(new LIR_Op3(
1281 lir_idiv,
1282 left,
1283 LIR_OprFact::intConst(right),
1284 tmp,
1285 res,
1286 info));
1287 }
1288
1289
1290 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1291 append(new LIR_Op3(
1292 lir_irem,
1293 left,
1294 right,
1295 tmp,
1296 res,
1297 info));
1298 }
1299
1300
1301 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1302 append(new LIR_Op3(
1303 lir_irem,
1304 left,
1305 LIR_OprFact::intConst(right),
1306 tmp,
1307 res,
1308 info));
1309 }
1310
1311
1312 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1313 append(new LIR_Op2(
1314 lir_cmp,
1315 condition,
1316 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1317 LIR_OprFact::intConst(c),
1318 info));
1319 }
1320
1321
1322 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1323 append(new LIR_Op2(
1324 lir_cmp,
1325 condition,
1326 reg,
1327 LIR_OprFact::address(addr),
1328 info));
1329 }
1330
1331 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1332 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1333 append(new LIR_OpAllocObj(
1334 klass,
1335 dst,
1336 t1,
1337 t2,
1338 t3,
1339 t4,
1340 header_size,
1341 object_size,
1342 init_check,
1343 stub));
1344 }
1345
1346 void LIR_List::allocate_array(LIR_Opr dst, LIR_Opr len, LIR_Opr t1,LIR_Opr t2, LIR_Opr t3,LIR_Opr t4, BasicType type, LIR_Opr klass, CodeStub* stub) {
1347 append(new LIR_OpAllocArray(
1348 klass,
1349 len,
1350 dst,
1351 t1,
1352 t2,
1353 t3,
1354 t4,
1355 type,
1356 stub));
1357 }
1358
1359 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1360 append(new LIR_Op2(
1361 lir_shl,
1362 value,
1363 count,
1364 dst,
1365 tmp));
1366 }
1367
1368 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1369 append(new LIR_Op2(
1370 lir_shr,
1371 value,
1372 count,
1373 dst,
1374 tmp));
1375 }
1376
1377
1378 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1379 append(new LIR_Op2(
1380 lir_ushr,
1381 value,
1382 count,
1383 dst,
1384 tmp));
1385 }
1386
1387 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1388 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1389 left,
1390 right,
1391 dst));
1392 }
1393
1394 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1395 append(new LIR_OpLock(
1396 lir_lock,
1397 hdr,
1398 obj,
1399 lock,
1400 scratch,
1401 stub,
1402 info));
1403 }
1404
1405 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1406 append(new LIR_OpLock(
1407 lir_unlock,
1408 hdr,
1409 obj,
1410 lock,
1411 scratch,
1412 stub,
1413 NULL));
1414 }
1415
1416
1417 void check_LIR() {
1418 // cannot do the proper checking as PRODUCT and other modes return different results
1419 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
1420 }
1421
1422
1423
1424 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1425 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1426 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1427 ciMethod* profiled_method, int profiled_bci) {
1428 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1429 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
1430 if (profiled_method != NULL) {
1431 c->set_profiled_method(profiled_method);
1432 c->set_profiled_bci(profiled_bci);
1433 c->set_should_profile(true);
1434 }
1435 append(c);
1436 }
1437
1438 void LIR_List::instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci) {
1439 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
1440 if (profiled_method != NULL) {
1441 c->set_profiled_method(profiled_method);
1442 c->set_profiled_bci(profiled_bci);
1443 c->set_should_profile(true);
1444 }
1445 append(c);
1446 }
1447
1448
1449 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1450 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1451 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1452 if (profiled_method != NULL) {
1453 c->set_profiled_method(profiled_method);
1454 c->set_profiled_bci(profiled_bci);
1455 c->set_should_profile(true);
1456 }
1457 append(c);
1458 }
1459
1460
1461 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1462 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1463 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1464 }
1465
1466 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1467 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1468 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1469 }
1470
1471 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1472 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1473 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1474 }
1475
1476
1477 #ifdef PRODUCT
1478
1479 void print_LIR(BlockList* blocks) {
1480 }
1481
1482 #else
1483 // LIR_OprDesc
1484 void LIR_OprDesc::print() const {
1485 print(tty);
1486 }
1487
1488 void LIR_OprDesc::print(outputStream* out) const {
1489 if (is_illegal()) {
1490 return;
1491 }
1492
1493 out->print("[");
1494 if (is_pointer()) {
1495 pointer()->print_value_on(out);
1496 } else if (is_single_stack()) {
1497 out->print("stack:%d", single_stack_ix());
1498 } else if (is_double_stack()) {
1499 out->print("dbl_stack:%d",double_stack_ix());
1500 } else if (is_virtual()) {
1501 out->print("R%d", vreg_number());
1502 } else if (is_single_cpu()) {
1503 out->print("%s", as_register()->name());
1504 } else if (is_double_cpu()) {
1505 out->print("%s", as_register_hi()->name());
1506 out->print("%s", as_register_lo()->name());
1507 #if defined(X86)
1508 } else if (is_single_xmm()) {
1509 out->print("%s", as_xmm_float_reg()->name());
1510 } else if (is_double_xmm()) {
1511 out->print("%s", as_xmm_double_reg()->name());
1512 } else if (is_single_fpu()) {
1513 out->print("fpu%d", fpu_regnr());
1514 } else if (is_double_fpu()) {
1515 out->print("fpu%d", fpu_regnrLo());
1516 #elif defined(AARCH64)
1517 } else if (is_single_fpu()) {
1518 out->print("fpu%d", fpu_regnr());
1519 } else if (is_double_fpu()) {
1520 out->print("fpu%d", fpu_regnrLo());
1521 #elif defined(ARM)
1522 } else if (is_single_fpu()) {
1523 out->print("s%d", fpu_regnr());
1524 } else if (is_double_fpu()) {
1525 out->print("d%d", fpu_regnrLo() >> 1);
1526 #else
1527 } else if (is_single_fpu()) {
1528 out->print("%s", as_float_reg()->name());
1529 } else if (is_double_fpu()) {
1530 out->print("%s", as_double_reg()->name());
1531 #endif
1532
1533 } else if (is_illegal()) {
1534 out->print("-");
1535 } else {
1536 out->print("Unknown Operand");
1537 }
1538 if (!is_illegal()) {
1539 out->print("|%c", type_char());
1540 }
1541 if (is_register() && is_last_use()) {
1542 out->print("(last_use)");
1543 }
1544 out->print("]");
1545 }
1546
1547
1548 // LIR_Address
1549 void LIR_Const::print_value_on(outputStream* out) const {
1550 switch (type()) {
1551 case T_ADDRESS:out->print("address:%d",as_jint()); break;
1552 case T_INT: out->print("int:%d", as_jint()); break;
1553 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1554 case T_FLOAT: out->print("flt:%f", as_jfloat()); break;
1555 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break;
1556 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break;
1557 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1558 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1559 }
1560 }
1561
1562 // LIR_Address
1563 void LIR_Address::print_value_on(outputStream* out) const {
1564 out->print("Base:"); _base->print(out);
1565 if (!_index->is_illegal()) {
1566 out->print(" Index:"); _index->print(out);
1567 switch (scale()) {
1568 case times_1: break;
1569 case times_2: out->print(" * 2"); break;
1570 case times_4: out->print(" * 4"); break;
1571 case times_8: out->print(" * 8"); break;
1572 }
1573 }
1574 out->print(" Disp: " INTX_FORMAT, _disp);
1575 }
1576
1577 // debug output of block header without InstructionPrinter
1578 // (because phi functions are not necessary for LIR)
1579 static void print_block(BlockBegin* x) {
1580 // print block id
1581 BlockEnd* end = x->end();
1582 tty->print("B%d ", x->block_id());
1583
1584 // print flags
1585 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std ");
1586 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr ");
1587 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex ");
1588 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr ");
1589 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb ");
1590 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1591 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le ");
1592
1593 // print block bci range
1594 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci()));
1595
1596 // print predecessors and successors
1597 if (x->number_of_preds() > 0) {
1598 tty->print("preds: ");
1599 for (int i = 0; i < x->number_of_preds(); i ++) {
1600 tty->print("B%d ", x->pred_at(i)->block_id());
1601 }
1602 }
1603
1604 if (x->number_of_sux() > 0) {
1605 tty->print("sux: ");
1606 for (int i = 0; i < x->number_of_sux(); i ++) {
1607 tty->print("B%d ", x->sux_at(i)->block_id());
1608 }
1609 }
1610
1611 // print exception handlers
1612 if (x->number_of_exception_handlers() > 0) {
1613 tty->print("xhandler: ");
1614 for (int i = 0; i < x->number_of_exception_handlers(); i++) {
1615 tty->print("B%d ", x->exception_handler_at(i)->block_id());
1616 }
1617 }
1618
1619 tty->cr();
1620 }
1621
1622 void print_LIR(BlockList* blocks) {
1623 tty->print_cr("LIR:");
1624 int i;
1625 for (i = 0; i < blocks->length(); i++) {
1626 BlockBegin* bb = blocks->at(i);
1627 print_block(bb);
1628 tty->print("__id_Instruction___________________________________________"); tty->cr();
1629 bb->lir()->print_instructions();
1630 }
1631 }
1632
1633 void LIR_List::print_instructions() {
1634 for (int i = 0; i < _operations.length(); i++) {
1635 _operations.at(i)->print(); tty->cr();
1636 }
1637 tty->cr();
1638 }
1639
1640 // LIR_Ops printing routines
1641 // LIR_Op
1642 void LIR_Op::print_on(outputStream* out) const {
1643 if (id() != -1 || PrintCFGToFile) {
1644 out->print("%4d ", id());
1645 } else {
1646 out->print(" ");
1647 }
1648 out->print("%s ", name());
1649 print_instr(out);
1650 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci());
1651 #ifdef ASSERT
1652 if (Verbose && _file != NULL) {
1653 out->print(" (%s:%d)", _file, _line);
1654 }
1655 #endif
1656 }
1657
1658 const char * LIR_Op::name() const {
1659 const char* s = NULL;
1660 switch(code()) {
1661 // LIR_Op0
1662 case lir_membar: s = "membar"; break;
1663 case lir_membar_acquire: s = "membar_acquire"; break;
1664 case lir_membar_release: s = "membar_release"; break;
1665 case lir_membar_loadload: s = "membar_loadload"; break;
1666 case lir_membar_storestore: s = "membar_storestore"; break;
1667 case lir_membar_loadstore: s = "membar_loadstore"; break;
1668 case lir_membar_storeload: s = "membar_storeload"; break;
1669 case lir_word_align: s = "word_align"; break;
1670 case lir_label: s = "label"; break;
1671 case lir_nop: s = "nop"; break;
1672 case lir_on_spin_wait: s = "on_spin_wait"; break;
1673 case lir_backwardbranch_target: s = "backbranch"; break;
1674 case lir_std_entry: s = "std_entry"; break;
1675 case lir_osr_entry: s = "osr_entry"; break;
1676 case lir_build_frame: s = "build_frm"; break;
1677 case lir_fpop_raw: s = "fpop_raw"; break;
1678 case lir_24bit_FPU: s = "24bit_FPU"; break;
1679 case lir_reset_FPU: s = "reset_FPU"; break;
1680 case lir_breakpoint: s = "breakpoint"; break;
1681 case lir_get_thread: s = "get_thread"; break;
1682 // LIR_Op1
1683 case lir_fxch: s = "fxch"; break;
1684 case lir_fld: s = "fld"; break;
1685 case lir_ffree: s = "ffree"; break;
1686 case lir_push: s = "push"; break;
1687 case lir_pop: s = "pop"; break;
1688 case lir_null_check: s = "null_check"; break;
1689 case lir_return: s = "return"; break;
1690 case lir_safepoint: s = "safepoint"; break;
1691 case lir_neg: s = "neg"; break;
1692 case lir_leal: s = "leal"; break;
1693 case lir_branch: s = "branch"; break;
1694 case lir_cond_float_branch: s = "flt_cond_br"; break;
1695 case lir_move: s = "move"; break;
1696 case lir_roundfp: s = "roundfp"; break;
1697 case lir_rtcall: s = "rtcall"; break;
1698 case lir_throw: s = "throw"; break;
1699 case lir_unwind: s = "unwind"; break;
1700 case lir_convert: s = "convert"; break;
1701 case lir_alloc_object: s = "alloc_obj"; break;
1702 case lir_monaddr: s = "mon_addr"; break;
1703 case lir_pack64: s = "pack64"; break;
1704 case lir_unpack64: s = "unpack64"; break;
1705 // LIR_Op2
1706 case lir_cmp: s = "cmp"; break;
1707 case lir_cmp_l2i: s = "cmp_l2i"; break;
1708 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break;
1709 case lir_cmp_fd2i: s = "comp_fd2i"; break;
1710 case lir_cmove: s = "cmove"; break;
1711 case lir_add: s = "add"; break;
1712 case lir_sub: s = "sub"; break;
1713 case lir_mul: s = "mul"; break;
1714 case lir_mul_strictfp: s = "mul_strictfp"; break;
1715 case lir_div: s = "div"; break;
1716 case lir_div_strictfp: s = "div_strictfp"; break;
1717 case lir_rem: s = "rem"; break;
1718 case lir_abs: s = "abs"; break;
1719 case lir_sqrt: s = "sqrt"; break;
1720 case lir_logic_and: s = "logic_and"; break;
1721 case lir_logic_or: s = "logic_or"; break;
1722 case lir_logic_xor: s = "logic_xor"; break;
1723 case lir_shl: s = "shift_left"; break;
1724 case lir_shr: s = "shift_right"; break;
1725 case lir_ushr: s = "ushift_right"; break;
1726 case lir_alloc_array: s = "alloc_array"; break;
1727 case lir_xadd: s = "xadd"; break;
1728 case lir_xchg: s = "xchg"; break;
1729 // LIR_Op3
1730 case lir_idiv: s = "idiv"; break;
1731 case lir_irem: s = "irem"; break;
1732 case lir_fmad: s = "fmad"; break;
1733 case lir_fmaf: s = "fmaf"; break;
1734 // LIR_OpJavaCall
1735 case lir_static_call: s = "static"; break;
1736 case lir_optvirtual_call: s = "optvirtual"; break;
1737 case lir_icvirtual_call: s = "icvirtual"; break;
1738 case lir_virtual_call: s = "virtual"; break;
1739 case lir_dynamic_call: s = "dynamic"; break;
1740 // LIR_OpArrayCopy
1741 case lir_arraycopy: s = "arraycopy"; break;
1742 // LIR_OpUpdateCRC32
1743 case lir_updatecrc32: s = "updatecrc32"; break;
1744 // LIR_OpLock
1745 case lir_lock: s = "lock"; break;
1746 case lir_unlock: s = "unlock"; break;
1747 // LIR_OpDelay
1748 case lir_delay_slot: s = "delay"; break;
1749 // LIR_OpTypeCheck
1750 case lir_instanceof: s = "instanceof"; break;
1751 case lir_checkcast: s = "checkcast"; break;
1752 case lir_store_check: s = "store_check"; break;
1753 // LIR_OpCompareAndSwap
1754 case lir_cas_long: s = "cas_long"; break;
1755 case lir_cas_obj: s = "cas_obj"; break;
1756 case lir_cas_int: s = "cas_int"; break;
1757 // LIR_OpProfileCall
1758 case lir_profile_call: s = "profile_call"; break;
1759 // LIR_OpProfileType
1760 case lir_profile_type: s = "profile_type"; break;
1761 // LIR_OpAssert
1762 #ifdef ASSERT
1763 case lir_assert: s = "assert"; break;
1764 #endif
1765 case lir_none: ShouldNotReachHere();break;
1766 default: s = "illegal_op"; break;
1767 }
1768 return s;
1769 }
1770
1771 // LIR_OpJavaCall
1772 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1773 out->print("call: ");
1774 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1775 if (receiver()->is_valid()) {
1776 out->print(" [recv: "); receiver()->print(out); out->print("]");
1777 }
1778 if (result_opr()->is_valid()) {
1779 out->print(" [result: "); result_opr()->print(out); out->print("]");
1780 }
1781 }
1782
1783 // LIR_OpLabel
1784 void LIR_OpLabel::print_instr(outputStream* out) const {
1785 out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1786 }
1787
1788 // LIR_OpArrayCopy
1789 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1790 src()->print(out); out->print(" ");
1791 src_pos()->print(out); out->print(" ");
1792 dst()->print(out); out->print(" ");
1793 dst_pos()->print(out); out->print(" ");
1794 length()->print(out); out->print(" ");
1795 tmp()->print(out); out->print(" ");
1796 }
1797
1798 // LIR_OpUpdateCRC32
1799 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1800 crc()->print(out); out->print(" ");
1801 val()->print(out); out->print(" ");
1802 result_opr()->print(out); out->print(" ");
1803 }
1804
1805 // LIR_OpCompareAndSwap
1806 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1807 addr()->print(out); out->print(" ");
1808 cmp_value()->print(out); out->print(" ");
1809 new_value()->print(out); out->print(" ");
1810 tmp1()->print(out); out->print(" ");
1811 tmp2()->print(out); out->print(" ");
1812
1813 }
1814
1815 // LIR_Op0
1816 void LIR_Op0::print_instr(outputStream* out) const {
1817 result_opr()->print(out);
1818 }
1819
1820 // LIR_Op1
1821 const char * LIR_Op1::name() const {
1822 if (code() == lir_move) {
1823 switch (move_kind()) {
1824 case lir_move_normal:
1825 return "move";
1826 case lir_move_unaligned:
1827 return "unaligned move";
1828 case lir_move_volatile:
1829 return "volatile_move";
1830 case lir_move_wide:
1831 return "wide_move";
1832 default:
1833 ShouldNotReachHere();
1834 return "illegal_op";
1835 }
1836 } else {
1837 return LIR_Op::name();
1838 }
1839 }
1840
1841
1842 void LIR_Op1::print_instr(outputStream* out) const {
1843 _opr->print(out); out->print(" ");
1844 result_opr()->print(out); out->print(" ");
1845 print_patch_code(out, patch_code());
1846 }
1847
1848
1849 // LIR_Op1
1850 void LIR_OpRTCall::print_instr(outputStream* out) const {
1851 intx a = (intx)addr();
1852 out->print("%s", Runtime1::name_for_address(addr()));
1853 out->print(" ");
1854 tmp()->print(out);
1855 }
1856
1857 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
1858 switch(code) {
1859 case lir_patch_none: break;
1860 case lir_patch_low: out->print("[patch_low]"); break;
1861 case lir_patch_high: out->print("[patch_high]"); break;
1862 case lir_patch_normal: out->print("[patch_normal]"); break;
1863 default: ShouldNotReachHere();
1864 }
1865 }
1866
1867 // LIR_OpBranch
1868 void LIR_OpBranch::print_instr(outputStream* out) const {
1869 print_condition(out, cond()); out->print(" ");
1870 if (block() != NULL) {
1871 out->print("[B%d] ", block()->block_id());
1872 } else if (stub() != NULL) {
1873 out->print("[");
1874 stub()->print_name(out);
1875 out->print(": " INTPTR_FORMAT "]", p2i(stub()));
1876 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci());
1877 } else {
1878 out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
1879 }
1880 if (ublock() != NULL) {
1881 out->print("unordered: [B%d] ", ublock()->block_id());
1882 }
1883 }
1884
1885 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
1886 switch(cond) {
1887 case lir_cond_equal: out->print("[EQ]"); break;
1888 case lir_cond_notEqual: out->print("[NE]"); break;
1889 case lir_cond_less: out->print("[LT]"); break;
1890 case lir_cond_lessEqual: out->print("[LE]"); break;
1891 case lir_cond_greaterEqual: out->print("[GE]"); break;
1892 case lir_cond_greater: out->print("[GT]"); break;
1893 case lir_cond_belowEqual: out->print("[BE]"); break;
1894 case lir_cond_aboveEqual: out->print("[AE]"); break;
1895 case lir_cond_always: out->print("[AL]"); break;
1896 default: out->print("[%d]",cond); break;
1897 }
1898 }
1899
1900 // LIR_OpConvert
1901 void LIR_OpConvert::print_instr(outputStream* out) const {
1902 print_bytecode(out, bytecode());
1903 in_opr()->print(out); out->print(" ");
1904 result_opr()->print(out); out->print(" ");
1905 #ifdef PPC32
1906 if(tmp1()->is_valid()) {
1907 tmp1()->print(out); out->print(" ");
1908 tmp2()->print(out); out->print(" ");
1909 }
1910 #endif
1911 }
1912
1913 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
1914 switch(code) {
1915 case Bytecodes::_d2f: out->print("[d2f] "); break;
1916 case Bytecodes::_d2i: out->print("[d2i] "); break;
1917 case Bytecodes::_d2l: out->print("[d2l] "); break;
1918 case Bytecodes::_f2d: out->print("[f2d] "); break;
1919 case Bytecodes::_f2i: out->print("[f2i] "); break;
1920 case Bytecodes::_f2l: out->print("[f2l] "); break;
1921 case Bytecodes::_i2b: out->print("[i2b] "); break;
1922 case Bytecodes::_i2c: out->print("[i2c] "); break;
1923 case Bytecodes::_i2d: out->print("[i2d] "); break;
1924 case Bytecodes::_i2f: out->print("[i2f] "); break;
1925 case Bytecodes::_i2l: out->print("[i2l] "); break;
1926 case Bytecodes::_i2s: out->print("[i2s] "); break;
1927 case Bytecodes::_l2i: out->print("[l2i] "); break;
1928 case Bytecodes::_l2f: out->print("[l2f] "); break;
1929 case Bytecodes::_l2d: out->print("[l2d] "); break;
1930 default:
1931 out->print("[?%d]",code);
1932 break;
1933 }
1934 }
1935
1936 void LIR_OpAllocObj::print_instr(outputStream* out) const {
1937 klass()->print(out); out->print(" ");
1938 obj()->print(out); out->print(" ");
1939 tmp1()->print(out); out->print(" ");
1940 tmp2()->print(out); out->print(" ");
1941 tmp3()->print(out); out->print(" ");
1942 tmp4()->print(out); out->print(" ");
1943 out->print("[hdr:%d]", header_size()); out->print(" ");
1944 out->print("[obj:%d]", object_size()); out->print(" ");
1945 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1946 }
1947
1948 void LIR_OpRoundFP::print_instr(outputStream* out) const {
1949 _opr->print(out); out->print(" ");
1950 tmp()->print(out); out->print(" ");
1951 result_opr()->print(out); out->print(" ");
1952 }
1953
1954 // LIR_Op2
1955 void LIR_Op2::print_instr(outputStream* out) const {
1956 if (code() == lir_cmove || code() == lir_cmp) {
1957 print_condition(out, condition()); out->print(" ");
1958 }
1959 in_opr1()->print(out); out->print(" ");
1960 in_opr2()->print(out); out->print(" ");
1961 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); }
1962 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); }
1963 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); }
1964 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); }
1965 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); }
1966 result_opr()->print(out);
1967 }
1968
1969 void LIR_OpAllocArray::print_instr(outputStream* out) const {
1970 klass()->print(out); out->print(" ");
1971 len()->print(out); out->print(" ");
1972 obj()->print(out); out->print(" ");
1973 tmp1()->print(out); out->print(" ");
1974 tmp2()->print(out); out->print(" ");
1975 tmp3()->print(out); out->print(" ");
1976 tmp4()->print(out); out->print(" ");
1977 out->print("[type:0x%x]", type()); out->print(" ");
1978 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1979 }
1980
1981
1982 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
1983 object()->print(out); out->print(" ");
1984 if (code() == lir_store_check) {
1985 array()->print(out); out->print(" ");
1986 }
1987 if (code() != lir_store_check) {
1988 klass()->print_name_on(out); out->print(" ");
1989 if (fast_check()) out->print("fast_check ");
1990 }
1991 tmp1()->print(out); out->print(" ");
1992 tmp2()->print(out); out->print(" ");
1993 tmp3()->print(out); out->print(" ");
1994 result_opr()->print(out); out->print(" ");
1995 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
1996 }
1997
1998
1999 // LIR_Op3
2000 void LIR_Op3::print_instr(outputStream* out) const {
2001 in_opr1()->print(out); out->print(" ");
2002 in_opr2()->print(out); out->print(" ");
2003 in_opr3()->print(out); out->print(" ");
2004 result_opr()->print(out);
2005 }
2006
2007
2008 void LIR_OpLock::print_instr(outputStream* out) const {
2009 hdr_opr()->print(out); out->print(" ");
2010 obj_opr()->print(out); out->print(" ");
2011 lock_opr()->print(out); out->print(" ");
2012 if (_scratch->is_valid()) {
2013 _scratch->print(out); out->print(" ");
2014 }
2015 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2016 }
2017
2018 #ifdef ASSERT
2019 void LIR_OpAssert::print_instr(outputStream* out) const {
2020 print_condition(out, condition()); out->print(" ");
2021 in_opr1()->print(out); out->print(" ");
2022 in_opr2()->print(out); out->print(", \"");
2023 out->print("%s", msg()); out->print("\"");
2024 }
2025 #endif
2026
2027
2028 void LIR_OpDelay::print_instr(outputStream* out) const {
2029 _op->print_on(out);
2030 }
2031
2032
2033 // LIR_OpProfileCall
2034 void LIR_OpProfileCall::print_instr(outputStream* out) const {
2035 profiled_method()->name()->print_symbol_on(out);
2036 out->print(".");
2037 profiled_method()->holder()->name()->print_symbol_on(out);
2038 out->print(" @ %d ", profiled_bci());
2039 mdo()->print(out); out->print(" ");
2040 recv()->print(out); out->print(" ");
2041 tmp1()->print(out); out->print(" ");
2042 }
2043
2044 // LIR_OpProfileType
2045 void LIR_OpProfileType::print_instr(outputStream* out) const {
2046 out->print("exact = ");
2047 if (exact_klass() == NULL) {
2048 out->print("unknown");
2049 } else {
2050 exact_klass()->print_name_on(out);
2051 }
2052 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2053 out->print(" ");
2054 mdp()->print(out); out->print(" ");
2055 obj()->print(out); out->print(" ");
2056 tmp()->print(out); out->print(" ");
2057 }
2058
2059 #endif // PRODUCT
2060
2061 // Implementation of LIR_InsertionBuffer
2062
2063 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2064 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2065
2066 int i = number_of_insertion_points() - 1;
2067 if (i < 0 || index_at(i) < index) {
2068 append_new(index, 1);
2069 } else {
2070 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2071 assert(count_at(i) > 0, "check");
2072 set_count_at(i, count_at(i) + 1);
2073 }
2074 _ops.push(op);
2075
2076 DEBUG_ONLY(verify());
2077 }
2078
2079 #ifdef ASSERT
2080 void LIR_InsertionBuffer::verify() {
2081 int sum = 0;
2082 int prev_idx = -1;
2083
2084 for (int i = 0; i < number_of_insertion_points(); i++) {
2085 assert(prev_idx < index_at(i), "index must be ordered ascending");
2086 sum += count_at(i);
2087 }
2088 assert(sum == number_of_ops(), "wrong total sum");
2089 }
2090 #endif