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 {
487 assert(op->as_Op0() != NULL, "must be");
488 assert(op->_info == NULL, "info not used by this instruction");
489 assert(op->_result->is_illegal(), "not used");
490 break;
491 }
492
493 case lir_nop: // may have info, result always invalid
494 case lir_std_entry: // may have result, info always invalid
495 case lir_osr_entry: // may have result, info always invalid
496 case lir_get_thread: // may have result, info always invalid
497 {
498 assert(op->as_Op0() != NULL, "must be");
499 if (op->_info != NULL) do_info(op->_info);
500 if (op->_result->is_valid()) do_output(op->_result);
501 break;
502 }
503
504
505 // LIR_OpLabel
506 case lir_label: // result and info always invalid
507 {
508 assert(op->as_OpLabel() != NULL, "must be");
509 assert(op->_info == NULL, "info not used by this instruction");
510 assert(op->_result->is_illegal(), "not used");
511 break;
512 }
513
514
515 // LIR_Op1
516 case lir_fxch: // input always valid, result and info always invalid
517 case lir_fld: // input always valid, result and info always invalid
518 case lir_ffree: // input always valid, result and info always invalid
519 case lir_push: // input always valid, result and info always invalid
520 case lir_pop: // input always valid, result and info always invalid
521 case lir_return: // input always valid, result and info always invalid
522 case lir_leal: // input and result always valid, info always invalid
523 case lir_neg: // input and result always valid, info always invalid
524 case lir_monaddr: // input and result always valid, info always invalid
525 case lir_null_check: // input and info always valid, result always invalid
526 case lir_move: // input and result always valid, may have info
527 case lir_pack64: // input and result always valid
528 case lir_unpack64: // input and result always valid
529 {
530 assert(op->as_Op1() != NULL, "must be");
531 LIR_Op1* op1 = (LIR_Op1*)op;
532
533 if (op1->_info) do_info(op1->_info);
534 if (op1->_opr->is_valid()) do_input(op1->_opr);
535 if (op1->_result->is_valid()) do_output(op1->_result);
536
537 break;
538 }
539
540 case lir_safepoint:
541 {
542 assert(op->as_Op1() != NULL, "must be");
543 LIR_Op1* op1 = (LIR_Op1*)op;
544
545 assert(op1->_info != NULL, ""); do_info(op1->_info);
546 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register
547 assert(op1->_result->is_illegal(), "safepoint does not produce value");
548
549 break;
550 }
551
552 // LIR_OpConvert;
553 case lir_convert: // input and result always valid, info always invalid
554 {
555 assert(op->as_OpConvert() != NULL, "must be");
556 LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
557
558 assert(opConvert->_info == NULL, "must be");
559 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr);
560 if (opConvert->_result->is_valid()) do_output(opConvert->_result);
561 #ifdef PPC32
562 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1);
563 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2);
564 #endif
565 do_stub(opConvert->_stub);
566
567 break;
568 }
569
570 // LIR_OpBranch;
571 case lir_branch: // may have info, input and result register always invalid
572 case lir_cond_float_branch: // may have info, input and result register always invalid
573 {
574 assert(op->as_OpBranch() != NULL, "must be");
575 LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
576
577 if (opBranch->_info != NULL) do_info(opBranch->_info);
578 assert(opBranch->_result->is_illegal(), "not used");
579 if (opBranch->_stub != NULL) opBranch->stub()->visit(this);
580
581 break;
582 }
583
584
585 // LIR_OpAllocObj
586 case lir_alloc_object:
587 {
588 assert(op->as_OpAllocObj() != NULL, "must be");
589 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
590
591 if (opAllocObj->_info) do_info(opAllocObj->_info);
592 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr);
593 do_temp(opAllocObj->_opr);
594 }
595 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1);
596 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2);
597 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3);
598 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4);
599 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result);
600 do_stub(opAllocObj->_stub);
601 break;
602 }
603
604
605 // LIR_OpRoundFP;
606 case lir_roundfp: {
607 assert(op->as_OpRoundFP() != NULL, "must be");
608 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
609
610 assert(op->_info == NULL, "info not used by this instruction");
611 assert(opRoundFP->_tmp->is_illegal(), "not used");
612 do_input(opRoundFP->_opr);
613 do_output(opRoundFP->_result);
614
615 break;
616 }
617
618
619 // LIR_Op2
620 case lir_cmp:
621 case lir_cmp_l2i:
622 case lir_ucmp_fd2i:
623 case lir_cmp_fd2i:
624 case lir_add:
625 case lir_sub:
626 case lir_mul:
627 case lir_div:
628 case lir_rem:
629 case lir_sqrt:
630 case lir_abs:
631 case lir_logic_and:
632 case lir_logic_or:
633 case lir_logic_xor:
634 case lir_shl:
635 case lir_shr:
636 case lir_ushr:
637 case lir_xadd:
638 case lir_xchg:
639 case lir_assert:
640 {
641 assert(op->as_Op2() != NULL, "must be");
642 LIR_Op2* op2 = (LIR_Op2*)op;
643 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
644 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
645
646 if (op2->_info) do_info(op2->_info);
647 if (op2->_opr1->is_valid()) do_input(op2->_opr1);
648 if (op2->_opr2->is_valid()) do_input(op2->_opr2);
649 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
650 if (op2->_result->is_valid()) do_output(op2->_result);
651 if (op->code() == lir_xchg || op->code() == lir_xadd) {
652 // on ARM and PPC, return value is loaded first so could
653 // destroy inputs. On other platforms that implement those
654 // (x86, sparc), the extra constrainsts are harmless.
655 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
656 if (op2->_opr2->is_valid()) do_temp(op2->_opr2);
657 }
658
659 break;
660 }
661
662 // special handling for cmove: right input operand must not be equal
663 // to the result operand, otherwise the backend fails
664 case lir_cmove:
665 {
666 assert(op->as_Op2() != NULL, "must be");
667 LIR_Op2* op2 = (LIR_Op2*)op;
668
669 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() &&
670 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
671 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
672
673 do_input(op2->_opr1);
674 do_input(op2->_opr2);
675 do_temp(op2->_opr2);
676 do_output(op2->_result);
677
678 break;
679 }
680
681 // vspecial handling for strict operations: register input operands
682 // as temp to guarantee that they do not overlap with other
683 // registers
684 case lir_mul_strictfp:
685 case lir_div_strictfp:
686 {
687 assert(op->as_Op2() != NULL, "must be");
688 LIR_Op2* op2 = (LIR_Op2*)op;
689
690 assert(op2->_info == NULL, "not used");
691 assert(op2->_opr1->is_valid(), "used");
692 assert(op2->_opr2->is_valid(), "used");
693 assert(op2->_result->is_valid(), "used");
694 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
695 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
696
697 do_input(op2->_opr1); do_temp(op2->_opr1);
698 do_input(op2->_opr2); do_temp(op2->_opr2);
699 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
700 do_output(op2->_result);
701
702 break;
703 }
704
705 case lir_throw: {
706 assert(op->as_Op2() != NULL, "must be");
707 LIR_Op2* op2 = (LIR_Op2*)op;
708
709 if (op2->_info) do_info(op2->_info);
710 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
711 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter
712 assert(op2->_result->is_illegal(), "no result");
713 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
714 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
715
716 break;
717 }
718
719 case lir_unwind: {
720 assert(op->as_Op1() != NULL, "must be");
721 LIR_Op1* op1 = (LIR_Op1*)op;
722
723 assert(op1->_info == NULL, "no info");
724 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr);
725 assert(op1->_result->is_illegal(), "no result");
726
727 break;
728 }
729
730
731 case lir_tan:
732 case lir_log10: {
733 assert(op->as_Op2() != NULL, "must be");
734 LIR_Op2* op2 = (LIR_Op2*)op;
735
736 // On x86 tan/sin/cos need two temporary fpu stack slots and
737 // log/log10 need one so handle opr2 and tmp as temp inputs.
738 // Register input operand as temp to guarantee that it doesn't
739 // overlap with the input.
740 assert(op2->_info == NULL, "not used");
741 assert(op2->_tmp5->is_illegal(), "not used");
742 assert(op2->_opr1->is_valid(), "used");
743 do_input(op2->_opr1); do_temp(op2->_opr1);
744
745 if (op2->_opr2->is_valid()) do_temp(op2->_opr2);
746 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
747 if (op2->_tmp2->is_valid()) do_temp(op2->_tmp2);
748 if (op2->_tmp3->is_valid()) do_temp(op2->_tmp3);
749 if (op2->_tmp4->is_valid()) do_temp(op2->_tmp4);
750 if (op2->_result->is_valid()) do_output(op2->_result);
751
752 break;
753 }
754
755 // LIR_Op3
756 case lir_idiv:
757 case lir_irem: {
758 assert(op->as_Op3() != NULL, "must be");
759 LIR_Op3* op3= (LIR_Op3*)op;
760
761 if (op3->_info) do_info(op3->_info);
762 if (op3->_opr1->is_valid()) do_input(op3->_opr1);
763
764 // second operand is input and temp, so ensure that second operand
765 // and third operand get not the same register
766 if (op3->_opr2->is_valid()) do_input(op3->_opr2);
767 if (op3->_opr2->is_valid()) do_temp(op3->_opr2);
768 if (op3->_opr3->is_valid()) do_temp(op3->_opr3);
769
770 if (op3->_result->is_valid()) do_output(op3->_result);
771
772 break;
773 }
774
775
776 // LIR_OpJavaCall
777 case lir_static_call:
778 case lir_optvirtual_call:
779 case lir_icvirtual_call:
780 case lir_virtual_call:
781 case lir_dynamic_call: {
782 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
783 assert(opJavaCall != NULL, "must be");
784
785 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver);
786
787 // only visit register parameters
788 int n = opJavaCall->_arguments->length();
789 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
790 if (!opJavaCall->_arguments->at(i)->is_pointer()) {
791 do_input(*opJavaCall->_arguments->adr_at(i));
792 }
793 }
794
795 if (opJavaCall->_info) do_info(opJavaCall->_info);
796 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr &&
797 opJavaCall->is_method_handle_invoke()) {
798 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
799 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
800 }
801 do_call();
802 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result);
803
804 break;
805 }
806
807
808 // LIR_OpRTCall
809 case lir_rtcall: {
810 assert(op->as_OpRTCall() != NULL, "must be");
811 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
812
813 // only visit register parameters
814 int n = opRTCall->_arguments->length();
815 for (int i = 0; i < n; i++) {
816 if (!opRTCall->_arguments->at(i)->is_pointer()) {
817 do_input(*opRTCall->_arguments->adr_at(i));
818 }
819 }
820 if (opRTCall->_info) do_info(opRTCall->_info);
821 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp);
822 do_call();
823 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result);
824
825 break;
826 }
827
828
829 // LIR_OpArrayCopy
830 case lir_arraycopy: {
831 assert(op->as_OpArrayCopy() != NULL, "must be");
832 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
833
834 assert(opArrayCopy->_result->is_illegal(), "unused");
835 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src);
836 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
837 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst);
838 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
839 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length);
840 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp);
841 if (opArrayCopy->_info) do_info(opArrayCopy->_info);
842
843 // the implementation of arraycopy always has a call into the runtime
844 do_call();
845
846 break;
847 }
848
849
850 // LIR_OpUpdateCRC32
851 case lir_updatecrc32: {
852 assert(op->as_OpUpdateCRC32() != NULL, "must be");
853 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
854
855 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc);
856 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val);
857 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result);
858 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32");
859
860 break;
861 }
862
863
864 // LIR_OpLock
865 case lir_lock:
866 case lir_unlock: {
867 assert(op->as_OpLock() != NULL, "must be");
868 LIR_OpLock* opLock = (LIR_OpLock*)op;
869
870 if (opLock->_info) do_info(opLock->_info);
871
872 // TODO: check if these operands really have to be temp
873 // (or if input is sufficient). This may have influence on the oop map!
874 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
875 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
876 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
877
878 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
879 assert(opLock->_result->is_illegal(), "unused");
880
881 do_stub(opLock->_stub);
882
883 break;
884 }
885
886
887 // LIR_OpDelay
888 case lir_delay_slot: {
889 assert(op->as_OpDelay() != NULL, "must be");
890 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
891
892 visit(opDelay->delay_op());
893 break;
894 }
895
896 // LIR_OpTypeCheck
897 case lir_instanceof:
898 case lir_checkcast:
899 case lir_store_check: {
900 assert(op->as_OpTypeCheck() != NULL, "must be");
901 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
902
903 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
904 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
905 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
906 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
907 do_temp(opTypeCheck->_object);
908 }
909 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
910 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
911 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
912 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
913 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
914 do_stub(opTypeCheck->_stub);
915 break;
916 }
917
918 // LIR_OpCompareAndSwap
919 case lir_cas_long:
920 case lir_cas_obj:
921 case lir_cas_int: {
922 assert(op->as_OpCompareAndSwap() != NULL, "must be");
923 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
924
925 assert(opCompareAndSwap->_addr->is_valid(), "used");
926 assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
927 assert(opCompareAndSwap->_new_value->is_valid(), "used");
928 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info);
929 do_input(opCompareAndSwap->_addr);
930 do_temp(opCompareAndSwap->_addr);
931 do_input(opCompareAndSwap->_cmp_value);
932 do_temp(opCompareAndSwap->_cmp_value);
933 do_input(opCompareAndSwap->_new_value);
934 do_temp(opCompareAndSwap->_new_value);
935 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1);
936 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2);
937 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result);
938
939 break;
940 }
941
942
943 // LIR_OpAllocArray;
944 case lir_alloc_array: {
945 assert(op->as_OpAllocArray() != NULL, "must be");
946 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
947
948 if (opAllocArray->_info) do_info(opAllocArray->_info);
949 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
950 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len);
951 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1);
952 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2);
953 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3);
954 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4);
955 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result);
956 do_stub(opAllocArray->_stub);
957 break;
958 }
959
960 // LIR_OpProfileCall:
961 case lir_profile_call: {
962 assert(op->as_OpProfileCall() != NULL, "must be");
963 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
964
965 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
966 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
967 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
968 break;
969 }
970
971 // LIR_OpProfileType:
972 case lir_profile_type: {
973 assert(op->as_OpProfileType() != NULL, "must be");
974 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
975
976 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
977 do_input(opProfileType->_obj);
978 do_temp(opProfileType->_tmp);
979 break;
980 }
981 default:
982 ShouldNotReachHere();
983 }
984 }
985
986
987 void LIR_OpVisitState::do_stub(CodeStub* stub) {
988 if (stub != NULL) {
989 stub->visit(this);
990 }
991 }
992
993 XHandlers* LIR_OpVisitState::all_xhandler() {
994 XHandlers* result = NULL;
995
996 int i;
997 for (i = 0; i < info_count(); i++) {
998 if (info_at(i)->exception_handlers() != NULL) {
999 result = info_at(i)->exception_handlers();
1000 break;
1001 }
1002 }
1003
1004 #ifdef ASSERT
1005 for (i = 0; i < info_count(); i++) {
1006 assert(info_at(i)->exception_handlers() == NULL ||
1007 info_at(i)->exception_handlers() == result,
1008 "only one xhandler list allowed per LIR-operation");
1009 }
1010 #endif
1011
1012 if (result != NULL) {
1013 return result;
1014 } else {
1015 return new XHandlers();
1016 }
1017
1018 return result;
1019 }
1020
1021
1022 #ifdef ASSERT
1023 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
1024 visit(op);
1025
1026 return opr_count(inputMode) == 0 &&
1027 opr_count(outputMode) == 0 &&
1028 opr_count(tempMode) == 0 &&
1029 info_count() == 0 &&
1030 !has_call() &&
1031 !has_slow_case();
1032 }
1033 #endif
1034
1035 //---------------------------------------------------
1036
1037
1038 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
1039 masm->emit_call(this);
1040 }
1041
1042 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
1043 masm->emit_rtcall(this);
1044 }
1045
1046 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1047 masm->emit_opLabel(this);
1048 }
1049
1050 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1051 masm->emit_arraycopy(this);
1052 masm->append_code_stub(stub());
1053 }
1054
1055 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1056 masm->emit_updatecrc32(this);
1057 }
1058
1059 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1060 masm->emit_op0(this);
1061 }
1062
1063 void LIR_Op1::emit_code(LIR_Assembler* masm) {
1064 masm->emit_op1(this);
1065 }
1066
1067 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
1068 masm->emit_alloc_obj(this);
1069 masm->append_code_stub(stub());
1070 }
1071
1072 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
1073 masm->emit_opBranch(this);
1074 if (stub()) {
1075 masm->append_code_stub(stub());
1076 }
1077 }
1078
1079 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
1080 masm->emit_opConvert(this);
1081 if (stub() != NULL) {
1082 masm->append_code_stub(stub());
1083 }
1084 }
1085
1086 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1087 masm->emit_op2(this);
1088 }
1089
1090 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1091 masm->emit_alloc_array(this);
1092 masm->append_code_stub(stub());
1093 }
1094
1095 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1096 masm->emit_opTypeCheck(this);
1097 if (stub()) {
1098 masm->append_code_stub(stub());
1099 }
1100 }
1101
1102 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1103 masm->emit_compare_and_swap(this);
1104 }
1105
1106 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1107 masm->emit_op3(this);
1108 }
1109
1110 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1111 masm->emit_lock(this);
1112 if (stub()) {
1113 masm->append_code_stub(stub());
1114 }
1115 }
1116
1117 #ifdef ASSERT
1118 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1119 masm->emit_assert(this);
1120 }
1121 #endif
1122
1123 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1124 masm->emit_delay(this);
1125 }
1126
1127 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1128 masm->emit_profile_call(this);
1129 }
1130
1131 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1132 masm->emit_profile_type(this);
1133 }
1134
1135 // LIR_List
1136 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1137 : _operations(8)
1138 , _compilation(compilation)
1139 #ifndef PRODUCT
1140 , _block(block)
1141 #endif
1142 #ifdef ASSERT
1143 , _file(NULL)
1144 , _line(0)
1145 #endif
1146 { }
1147
1148
1149 #ifdef ASSERT
1150 void LIR_List::set_file_and_line(const char * file, int line) {
1151 const char * f = strrchr(file, '/');
1152 if (f == NULL) f = strrchr(file, '\\');
1153 if (f == NULL) {
1154 f = file;
1155 } else {
1156 f++;
1157 }
1158 _file = f;
1159 _line = line;
1160 }
1161 #endif
1162
1163
1164 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1165 assert(this == buffer->lir_list(), "wrong lir list");
1166 const int n = _operations.length();
1167
1168 if (buffer->number_of_ops() > 0) {
1169 // increase size of instructions list
1170 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
1171 // insert ops from buffer into instructions list
1172 int op_index = buffer->number_of_ops() - 1;
1173 int ip_index = buffer->number_of_insertion_points() - 1;
1174 int from_index = n - 1;
1175 int to_index = _operations.length() - 1;
1176 for (; ip_index >= 0; ip_index --) {
1177 int index = buffer->index_at(ip_index);
1178 // make room after insertion point
1179 while (index < from_index) {
1180 _operations.at_put(to_index --, _operations.at(from_index --));
1181 }
1182 // insert ops from buffer
1183 for (int i = buffer->count_at(ip_index); i > 0; i --) {
1184 _operations.at_put(to_index --, buffer->op_at(op_index --));
1185 }
1186 }
1187 }
1188
1189 buffer->finish();
1190 }
1191
1192
1193 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1194 assert(reg->type() == T_OBJECT, "bad reg");
1195 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info));
1196 }
1197
1198 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1199 assert(reg->type() == T_METADATA, "bad reg");
1200 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1201 }
1202
1203 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1204 append(new LIR_Op1(
1205 lir_move,
1206 LIR_OprFact::address(addr),
1207 src,
1208 addr->type(),
1209 patch_code,
1210 info));
1211 }
1212
1213
1214 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1215 append(new LIR_Op1(
1216 lir_move,
1217 LIR_OprFact::address(address),
1218 dst,
1219 address->type(),
1220 patch_code,
1221 info, lir_move_volatile));
1222 }
1223
1224 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1225 append(new LIR_Op1(
1226 lir_move,
1227 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1228 dst,
1229 type,
1230 patch_code,
1231 info, lir_move_volatile));
1232 }
1233
1234
1235 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1236 append(new LIR_Op1(
1237 lir_move,
1238 LIR_OprFact::intConst(v),
1239 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1240 type,
1241 patch_code,
1242 info));
1243 }
1244
1245
1246 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1247 append(new LIR_Op1(
1248 lir_move,
1249 LIR_OprFact::oopConst(o),
1250 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1251 type,
1252 patch_code,
1253 info));
1254 }
1255
1256
1257 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1258 append(new LIR_Op1(
1259 lir_move,
1260 src,
1261 LIR_OprFact::address(addr),
1262 addr->type(),
1263 patch_code,
1264 info));
1265 }
1266
1267
1268 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1269 append(new LIR_Op1(
1270 lir_move,
1271 src,
1272 LIR_OprFact::address(addr),
1273 addr->type(),
1274 patch_code,
1275 info,
1276 lir_move_volatile));
1277 }
1278
1279 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1280 append(new LIR_Op1(
1281 lir_move,
1282 src,
1283 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1284 type,
1285 patch_code,
1286 info, lir_move_volatile));
1287 }
1288
1289
1290 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1291 append(new LIR_Op3(
1292 lir_idiv,
1293 left,
1294 right,
1295 tmp,
1296 res,
1297 info));
1298 }
1299
1300
1301 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1302 append(new LIR_Op3(
1303 lir_idiv,
1304 left,
1305 LIR_OprFact::intConst(right),
1306 tmp,
1307 res,
1308 info));
1309 }
1310
1311
1312 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1313 append(new LIR_Op3(
1314 lir_irem,
1315 left,
1316 right,
1317 tmp,
1318 res,
1319 info));
1320 }
1321
1322
1323 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1324 append(new LIR_Op3(
1325 lir_irem,
1326 left,
1327 LIR_OprFact::intConst(right),
1328 tmp,
1329 res,
1330 info));
1331 }
1332
1333
1334 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1335 append(new LIR_Op2(
1336 lir_cmp,
1337 condition,
1338 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1339 LIR_OprFact::intConst(c),
1340 info));
1341 }
1342
1343
1344 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1345 append(new LIR_Op2(
1346 lir_cmp,
1347 condition,
1348 reg,
1349 LIR_OprFact::address(addr),
1350 info));
1351 }
1352
1353 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1354 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1355 append(new LIR_OpAllocObj(
1356 klass,
1357 dst,
1358 t1,
1359 t2,
1360 t3,
1361 t4,
1362 header_size,
1363 object_size,
1364 init_check,
1365 stub));
1366 }
1367
1368 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) {
1369 append(new LIR_OpAllocArray(
1370 klass,
1371 len,
1372 dst,
1373 t1,
1374 t2,
1375 t3,
1376 t4,
1377 type,
1378 stub));
1379 }
1380
1381 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1382 append(new LIR_Op2(
1383 lir_shl,
1384 value,
1385 count,
1386 dst,
1387 tmp));
1388 }
1389
1390 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1391 append(new LIR_Op2(
1392 lir_shr,
1393 value,
1394 count,
1395 dst,
1396 tmp));
1397 }
1398
1399
1400 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1401 append(new LIR_Op2(
1402 lir_ushr,
1403 value,
1404 count,
1405 dst,
1406 tmp));
1407 }
1408
1409 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1410 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1411 left,
1412 right,
1413 dst));
1414 }
1415
1416 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1417 append(new LIR_OpLock(
1418 lir_lock,
1419 hdr,
1420 obj,
1421 lock,
1422 scratch,
1423 stub,
1424 info));
1425 }
1426
1427 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1428 append(new LIR_OpLock(
1429 lir_unlock,
1430 hdr,
1431 obj,
1432 lock,
1433 scratch,
1434 stub,
1435 NULL));
1436 }
1437
1438
1439 void check_LIR() {
1440 // cannot do the proper checking as PRODUCT and other modes return different results
1441 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
1442 }
1443
1444
1445
1446 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1447 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1448 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1449 ciMethod* profiled_method, int profiled_bci) {
1450 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1451 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
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 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) {
1461 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
1462 if (profiled_method != NULL) {
1463 c->set_profiled_method(profiled_method);
1464 c->set_profiled_bci(profiled_bci);
1465 c->set_should_profile(true);
1466 }
1467 append(c);
1468 }
1469
1470
1471 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1472 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1473 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1474 if (profiled_method != NULL) {
1475 c->set_profiled_method(profiled_method);
1476 c->set_profiled_bci(profiled_bci);
1477 c->set_should_profile(true);
1478 }
1479 append(c);
1480 }
1481
1482
1483 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1484 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1485 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1486 }
1487
1488 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1489 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1490 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1491 }
1492
1493 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1494 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1495 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1496 }
1497
1498
1499 #ifdef PRODUCT
1500
1501 void print_LIR(BlockList* blocks) {
1502 }
1503
1504 #else
1505 // LIR_OprDesc
1506 void LIR_OprDesc::print() const {
1507 print(tty);
1508 }
1509
1510 void LIR_OprDesc::print(outputStream* out) const {
1511 if (is_illegal()) {
1512 return;
1513 }
1514
1515 out->print("[");
1516 if (is_pointer()) {
1517 pointer()->print_value_on(out);
1518 } else if (is_single_stack()) {
1519 out->print("stack:%d", single_stack_ix());
1520 } else if (is_double_stack()) {
1521 out->print("dbl_stack:%d",double_stack_ix());
1522 } else if (is_virtual()) {
1523 out->print("R%d", vreg_number());
1524 } else if (is_single_cpu()) {
1525 out->print("%s", as_register()->name());
1526 } else if (is_double_cpu()) {
1527 out->print("%s", as_register_hi()->name());
1528 out->print("%s", as_register_lo()->name());
1529 #if defined(X86)
1530 } else if (is_single_xmm()) {
1531 out->print("%s", as_xmm_float_reg()->name());
1532 } else if (is_double_xmm()) {
1533 out->print("%s", as_xmm_double_reg()->name());
1534 } else if (is_single_fpu()) {
1535 out->print("fpu%d", fpu_regnr());
1536 } else if (is_double_fpu()) {
1537 out->print("fpu%d", fpu_regnrLo());
1538 #elif defined(AARCH64)
1539 } else if (is_single_fpu()) {
1540 out->print("fpu%d", fpu_regnr());
1541 } else if (is_double_fpu()) {
1542 out->print("fpu%d", fpu_regnrLo());
1543 #elif defined(ARM)
1544 } else if (is_single_fpu()) {
1545 out->print("s%d", fpu_regnr());
1546 } else if (is_double_fpu()) {
1547 out->print("d%d", fpu_regnrLo() >> 1);
1548 #else
1549 } else if (is_single_fpu()) {
1550 out->print("%s", as_float_reg()->name());
1551 } else if (is_double_fpu()) {
1552 out->print("%s", as_double_reg()->name());
1553 #endif
1554
1555 } else if (is_illegal()) {
1556 out->print("-");
1557 } else {
1558 out->print("Unknown Operand");
1559 }
1560 if (!is_illegal()) {
1561 out->print("|%c", type_char());
1562 }
1563 if (is_register() && is_last_use()) {
1564 out->print("(last_use)");
1565 }
1566 out->print("]");
1567 }
1568
1569
1570 // LIR_Address
1571 void LIR_Const::print_value_on(outputStream* out) const {
1572 switch (type()) {
1573 case T_ADDRESS:out->print("address:%d",as_jint()); break;
1574 case T_INT: out->print("int:%d", as_jint()); break;
1575 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1576 case T_FLOAT: out->print("flt:%f", as_jfloat()); break;
1577 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break;
1578 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break;
1579 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1580 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1581 }
1582 }
1583
1584 // LIR_Address
1585 void LIR_Address::print_value_on(outputStream* out) const {
1586 out->print("Base:"); _base->print(out);
1587 if (!_index->is_illegal()) {
1588 out->print(" Index:"); _index->print(out);
1589 switch (scale()) {
1590 case times_1: break;
1591 case times_2: out->print(" * 2"); break;
1592 case times_4: out->print(" * 4"); break;
1593 case times_8: out->print(" * 8"); break;
1594 }
1595 }
1596 out->print(" Disp: " INTX_FORMAT, _disp);
1597 }
1598
1599 // debug output of block header without InstructionPrinter
1600 // (because phi functions are not necessary for LIR)
1601 static void print_block(BlockBegin* x) {
1602 // print block id
1603 BlockEnd* end = x->end();
1604 tty->print("B%d ", x->block_id());
1605
1606 // print flags
1607 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std ");
1608 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr ");
1609 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex ");
1610 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr ");
1611 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb ");
1612 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1613 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le ");
1614
1615 // print block bci range
1616 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci()));
1617
1618 // print predecessors and successors
1619 if (x->number_of_preds() > 0) {
1620 tty->print("preds: ");
1621 for (int i = 0; i < x->number_of_preds(); i ++) {
1622 tty->print("B%d ", x->pred_at(i)->block_id());
1623 }
1624 }
1625
1626 if (x->number_of_sux() > 0) {
1627 tty->print("sux: ");
1628 for (int i = 0; i < x->number_of_sux(); i ++) {
1629 tty->print("B%d ", x->sux_at(i)->block_id());
1630 }
1631 }
1632
1633 // print exception handlers
1634 if (x->number_of_exception_handlers() > 0) {
1635 tty->print("xhandler: ");
1636 for (int i = 0; i < x->number_of_exception_handlers(); i++) {
1637 tty->print("B%d ", x->exception_handler_at(i)->block_id());
1638 }
1639 }
1640
1641 tty->cr();
1642 }
1643
1644 void print_LIR(BlockList* blocks) {
1645 tty->print_cr("LIR:");
1646 int i;
1647 for (i = 0; i < blocks->length(); i++) {
1648 BlockBegin* bb = blocks->at(i);
1649 print_block(bb);
1650 tty->print("__id_Instruction___________________________________________"); tty->cr();
1651 bb->lir()->print_instructions();
1652 }
1653 }
1654
1655 void LIR_List::print_instructions() {
1656 for (int i = 0; i < _operations.length(); i++) {
1657 _operations.at(i)->print(); tty->cr();
1658 }
1659 tty->cr();
1660 }
1661
1662 // LIR_Ops printing routines
1663 // LIR_Op
1664 void LIR_Op::print_on(outputStream* out) const {
1665 if (id() != -1 || PrintCFGToFile) {
1666 out->print("%4d ", id());
1667 } else {
1668 out->print(" ");
1669 }
1670 out->print("%s ", name());
1671 print_instr(out);
1672 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci());
1673 #ifdef ASSERT
1674 if (Verbose && _file != NULL) {
1675 out->print(" (%s:%d)", _file, _line);
1676 }
1677 #endif
1678 }
1679
1680 const char * LIR_Op::name() const {
1681 const char* s = NULL;
1682 switch(code()) {
1683 // LIR_Op0
1684 case lir_membar: s = "membar"; break;
1685 case lir_membar_acquire: s = "membar_acquire"; break;
1686 case lir_membar_release: s = "membar_release"; break;
1687 case lir_membar_loadload: s = "membar_loadload"; break;
1688 case lir_membar_storestore: s = "membar_storestore"; break;
1689 case lir_membar_loadstore: s = "membar_loadstore"; break;
1690 case lir_membar_storeload: s = "membar_storeload"; break;
1691 case lir_word_align: s = "word_align"; break;
1692 case lir_label: s = "label"; break;
1693 case lir_nop: s = "nop"; break;
1694 case lir_backwardbranch_target: s = "backbranch"; break;
1695 case lir_std_entry: s = "std_entry"; break;
1696 case lir_osr_entry: s = "osr_entry"; break;
1697 case lir_build_frame: s = "build_frm"; break;
1698 case lir_fpop_raw: s = "fpop_raw"; break;
1699 case lir_24bit_FPU: s = "24bit_FPU"; break;
1700 case lir_reset_FPU: s = "reset_FPU"; break;
1701 case lir_breakpoint: s = "breakpoint"; break;
1702 case lir_get_thread: s = "get_thread"; break;
1703 // LIR_Op1
1704 case lir_fxch: s = "fxch"; break;
1705 case lir_fld: s = "fld"; break;
1706 case lir_ffree: s = "ffree"; break;
1707 case lir_push: s = "push"; break;
1708 case lir_pop: s = "pop"; break;
1709 case lir_null_check: s = "null_check"; break;
1710 case lir_return: s = "return"; break;
1711 case lir_safepoint: s = "safepoint"; break;
1712 case lir_neg: s = "neg"; break;
1713 case lir_leal: s = "leal"; break;
1714 case lir_branch: s = "branch"; break;
1715 case lir_cond_float_branch: s = "flt_cond_br"; break;
1716 case lir_move: s = "move"; break;
1717 case lir_roundfp: s = "roundfp"; break;
1718 case lir_rtcall: s = "rtcall"; break;
1719 case lir_throw: s = "throw"; break;
1720 case lir_unwind: s = "unwind"; break;
1721 case lir_convert: s = "convert"; break;
1722 case lir_alloc_object: s = "alloc_obj"; break;
1723 case lir_monaddr: s = "mon_addr"; break;
1724 case lir_pack64: s = "pack64"; break;
1725 case lir_unpack64: s = "unpack64"; break;
1726 // LIR_Op2
1727 case lir_cmp: s = "cmp"; break;
1728 case lir_cmp_l2i: s = "cmp_l2i"; break;
1729 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break;
1730 case lir_cmp_fd2i: s = "comp_fd2i"; break;
1731 case lir_cmove: s = "cmove"; break;
1732 case lir_add: s = "add"; break;
1733 case lir_sub: s = "sub"; break;
1734 case lir_mul: s = "mul"; break;
1735 case lir_mul_strictfp: s = "mul_strictfp"; break;
1736 case lir_div: s = "div"; break;
1737 case lir_div_strictfp: s = "div_strictfp"; break;
1738 case lir_rem: s = "rem"; break;
1739 case lir_abs: s = "abs"; break;
1740 case lir_sqrt: s = "sqrt"; break;
1741 case lir_tan: s = "tan"; break;
1742 case lir_log10: s = "log10"; break;
1743 case lir_logic_and: s = "logic_and"; break;
1744 case lir_logic_or: s = "logic_or"; break;
1745 case lir_logic_xor: s = "logic_xor"; break;
1746 case lir_shl: s = "shift_left"; break;
1747 case lir_shr: s = "shift_right"; break;
1748 case lir_ushr: s = "ushift_right"; break;
1749 case lir_alloc_array: s = "alloc_array"; break;
1750 case lir_xadd: s = "xadd"; break;
1751 case lir_xchg: s = "xchg"; break;
1752 // LIR_Op3
1753 case lir_idiv: s = "idiv"; break;
1754 case lir_irem: s = "irem"; break;
1755 // LIR_OpJavaCall
1756 case lir_static_call: s = "static"; break;
1757 case lir_optvirtual_call: s = "optvirtual"; break;
1758 case lir_icvirtual_call: s = "icvirtual"; break;
1759 case lir_virtual_call: s = "virtual"; break;
1760 case lir_dynamic_call: s = "dynamic"; break;
1761 // LIR_OpArrayCopy
1762 case lir_arraycopy: s = "arraycopy"; break;
1763 // LIR_OpUpdateCRC32
1764 case lir_updatecrc32: s = "updatecrc32"; break;
1765 // LIR_OpLock
1766 case lir_lock: s = "lock"; break;
1767 case lir_unlock: s = "unlock"; break;
1768 // LIR_OpDelay
1769 case lir_delay_slot: s = "delay"; break;
1770 // LIR_OpTypeCheck
1771 case lir_instanceof: s = "instanceof"; break;
1772 case lir_checkcast: s = "checkcast"; break;
1773 case lir_store_check: s = "store_check"; break;
1774 // LIR_OpCompareAndSwap
1775 case lir_cas_long: s = "cas_long"; break;
1776 case lir_cas_obj: s = "cas_obj"; break;
1777 case lir_cas_int: s = "cas_int"; break;
1778 // LIR_OpProfileCall
1779 case lir_profile_call: s = "profile_call"; break;
1780 // LIR_OpProfileType
1781 case lir_profile_type: s = "profile_type"; break;
1782 // LIR_OpAssert
1783 #ifdef ASSERT
1784 case lir_assert: s = "assert"; break;
1785 #endif
1786 case lir_none: ShouldNotReachHere();break;
1787 default: s = "illegal_op"; break;
1788 }
1789 return s;
1790 }
1791
1792 // LIR_OpJavaCall
1793 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1794 out->print("call: ");
1795 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1796 if (receiver()->is_valid()) {
1797 out->print(" [recv: "); receiver()->print(out); out->print("]");
1798 }
1799 if (result_opr()->is_valid()) {
1800 out->print(" [result: "); result_opr()->print(out); out->print("]");
1801 }
1802 }
1803
1804 // LIR_OpLabel
1805 void LIR_OpLabel::print_instr(outputStream* out) const {
1806 out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1807 }
1808
1809 // LIR_OpArrayCopy
1810 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1811 src()->print(out); out->print(" ");
1812 src_pos()->print(out); out->print(" ");
1813 dst()->print(out); out->print(" ");
1814 dst_pos()->print(out); out->print(" ");
1815 length()->print(out); out->print(" ");
1816 tmp()->print(out); out->print(" ");
1817 }
1818
1819 // LIR_OpUpdateCRC32
1820 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1821 crc()->print(out); out->print(" ");
1822 val()->print(out); out->print(" ");
1823 result_opr()->print(out); out->print(" ");
1824 }
1825
1826 // LIR_OpCompareAndSwap
1827 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1828 addr()->print(out); out->print(" ");
1829 cmp_value()->print(out); out->print(" ");
1830 new_value()->print(out); out->print(" ");
1831 tmp1()->print(out); out->print(" ");
1832 tmp2()->print(out); out->print(" ");
1833
1834 }
1835
1836 // LIR_Op0
1837 void LIR_Op0::print_instr(outputStream* out) const {
1838 result_opr()->print(out);
1839 }
1840
1841 // LIR_Op1
1842 const char * LIR_Op1::name() const {
1843 if (code() == lir_move) {
1844 switch (move_kind()) {
1845 case lir_move_normal:
1846 return "move";
1847 case lir_move_unaligned:
1848 return "unaligned move";
1849 case lir_move_volatile:
1850 return "volatile_move";
1851 case lir_move_wide:
1852 return "wide_move";
1853 default:
1854 ShouldNotReachHere();
1855 return "illegal_op";
1856 }
1857 } else {
1858 return LIR_Op::name();
1859 }
1860 }
1861
1862
1863 void LIR_Op1::print_instr(outputStream* out) const {
1864 _opr->print(out); out->print(" ");
1865 result_opr()->print(out); out->print(" ");
1866 print_patch_code(out, patch_code());
1867 }
1868
1869
1870 // LIR_Op1
1871 void LIR_OpRTCall::print_instr(outputStream* out) const {
1872 intx a = (intx)addr();
1873 out->print("%s", Runtime1::name_for_address(addr()));
1874 out->print(" ");
1875 tmp()->print(out);
1876 }
1877
1878 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
1879 switch(code) {
1880 case lir_patch_none: break;
1881 case lir_patch_low: out->print("[patch_low]"); break;
1882 case lir_patch_high: out->print("[patch_high]"); break;
1883 case lir_patch_normal: out->print("[patch_normal]"); break;
1884 default: ShouldNotReachHere();
1885 }
1886 }
1887
1888 // LIR_OpBranch
1889 void LIR_OpBranch::print_instr(outputStream* out) const {
1890 print_condition(out, cond()); out->print(" ");
1891 if (block() != NULL) {
1892 out->print("[B%d] ", block()->block_id());
1893 } else if (stub() != NULL) {
1894 out->print("[");
1895 stub()->print_name(out);
1896 out->print(": " INTPTR_FORMAT "]", p2i(stub()));
1897 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci());
1898 } else {
1899 out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
1900 }
1901 if (ublock() != NULL) {
1902 out->print("unordered: [B%d] ", ublock()->block_id());
1903 }
1904 }
1905
1906 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
1907 switch(cond) {
1908 case lir_cond_equal: out->print("[EQ]"); break;
1909 case lir_cond_notEqual: out->print("[NE]"); break;
1910 case lir_cond_less: out->print("[LT]"); break;
1911 case lir_cond_lessEqual: out->print("[LE]"); break;
1912 case lir_cond_greaterEqual: out->print("[GE]"); break;
1913 case lir_cond_greater: out->print("[GT]"); break;
1914 case lir_cond_belowEqual: out->print("[BE]"); break;
1915 case lir_cond_aboveEqual: out->print("[AE]"); break;
1916 case lir_cond_always: out->print("[AL]"); break;
1917 default: out->print("[%d]",cond); break;
1918 }
1919 }
1920
1921 // LIR_OpConvert
1922 void LIR_OpConvert::print_instr(outputStream* out) const {
1923 print_bytecode(out, bytecode());
1924 in_opr()->print(out); out->print(" ");
1925 result_opr()->print(out); out->print(" ");
1926 #ifdef PPC32
1927 if(tmp1()->is_valid()) {
1928 tmp1()->print(out); out->print(" ");
1929 tmp2()->print(out); out->print(" ");
1930 }
1931 #endif
1932 }
1933
1934 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
1935 switch(code) {
1936 case Bytecodes::_d2f: out->print("[d2f] "); break;
1937 case Bytecodes::_d2i: out->print("[d2i] "); break;
1938 case Bytecodes::_d2l: out->print("[d2l] "); break;
1939 case Bytecodes::_f2d: out->print("[f2d] "); break;
1940 case Bytecodes::_f2i: out->print("[f2i] "); break;
1941 case Bytecodes::_f2l: out->print("[f2l] "); break;
1942 case Bytecodes::_i2b: out->print("[i2b] "); break;
1943 case Bytecodes::_i2c: out->print("[i2c] "); break;
1944 case Bytecodes::_i2d: out->print("[i2d] "); break;
1945 case Bytecodes::_i2f: out->print("[i2f] "); break;
1946 case Bytecodes::_i2l: out->print("[i2l] "); break;
1947 case Bytecodes::_i2s: out->print("[i2s] "); break;
1948 case Bytecodes::_l2i: out->print("[l2i] "); break;
1949 case Bytecodes::_l2f: out->print("[l2f] "); break;
1950 case Bytecodes::_l2d: out->print("[l2d] "); break;
1951 default:
1952 out->print("[?%d]",code);
1953 break;
1954 }
1955 }
1956
1957 void LIR_OpAllocObj::print_instr(outputStream* out) const {
1958 klass()->print(out); out->print(" ");
1959 obj()->print(out); out->print(" ");
1960 tmp1()->print(out); out->print(" ");
1961 tmp2()->print(out); out->print(" ");
1962 tmp3()->print(out); out->print(" ");
1963 tmp4()->print(out); out->print(" ");
1964 out->print("[hdr:%d]", header_size()); out->print(" ");
1965 out->print("[obj:%d]", object_size()); out->print(" ");
1966 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1967 }
1968
1969 void LIR_OpRoundFP::print_instr(outputStream* out) const {
1970 _opr->print(out); out->print(" ");
1971 tmp()->print(out); out->print(" ");
1972 result_opr()->print(out); out->print(" ");
1973 }
1974
1975 // LIR_Op2
1976 void LIR_Op2::print_instr(outputStream* out) const {
1977 if (code() == lir_cmove || code() == lir_cmp) {
1978 print_condition(out, condition()); out->print(" ");
1979 }
1980 in_opr1()->print(out); out->print(" ");
1981 in_opr2()->print(out); out->print(" ");
1982 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); }
1983 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); }
1984 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); }
1985 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); }
1986 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); }
1987 result_opr()->print(out);
1988 }
1989
1990 void LIR_OpAllocArray::print_instr(outputStream* out) const {
1991 klass()->print(out); out->print(" ");
1992 len()->print(out); out->print(" ");
1993 obj()->print(out); out->print(" ");
1994 tmp1()->print(out); out->print(" ");
1995 tmp2()->print(out); out->print(" ");
1996 tmp3()->print(out); out->print(" ");
1997 tmp4()->print(out); out->print(" ");
1998 out->print("[type:0x%x]", type()); out->print(" ");
1999 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2000 }
2001
2002
2003 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2004 object()->print(out); out->print(" ");
2005 if (code() == lir_store_check) {
2006 array()->print(out); out->print(" ");
2007 }
2008 if (code() != lir_store_check) {
2009 klass()->print_name_on(out); out->print(" ");
2010 if (fast_check()) out->print("fast_check ");
2011 }
2012 tmp1()->print(out); out->print(" ");
2013 tmp2()->print(out); out->print(" ");
2014 tmp3()->print(out); out->print(" ");
2015 result_opr()->print(out); out->print(" ");
2016 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2017 }
2018
2019
2020 // LIR_Op3
2021 void LIR_Op3::print_instr(outputStream* out) const {
2022 in_opr1()->print(out); out->print(" ");
2023 in_opr2()->print(out); out->print(" ");
2024 in_opr3()->print(out); out->print(" ");
2025 result_opr()->print(out);
2026 }
2027
2028
2029 void LIR_OpLock::print_instr(outputStream* out) const {
2030 hdr_opr()->print(out); out->print(" ");
2031 obj_opr()->print(out); out->print(" ");
2032 lock_opr()->print(out); out->print(" ");
2033 if (_scratch->is_valid()) {
2034 _scratch->print(out); out->print(" ");
2035 }
2036 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2037 }
2038
2039 #ifdef ASSERT
2040 void LIR_OpAssert::print_instr(outputStream* out) const {
2041 print_condition(out, condition()); out->print(" ");
2042 in_opr1()->print(out); out->print(" ");
2043 in_opr2()->print(out); out->print(", \"");
2044 out->print("%s", msg()); out->print("\"");
2045 }
2046 #endif
2047
2048
2049 void LIR_OpDelay::print_instr(outputStream* out) const {
2050 _op->print_on(out);
2051 }
2052
2053
2054 // LIR_OpProfileCall
2055 void LIR_OpProfileCall::print_instr(outputStream* out) const {
2056 profiled_method()->name()->print_symbol_on(out);
2057 out->print(".");
2058 profiled_method()->holder()->name()->print_symbol_on(out);
2059 out->print(" @ %d ", profiled_bci());
2060 mdo()->print(out); out->print(" ");
2061 recv()->print(out); out->print(" ");
2062 tmp1()->print(out); out->print(" ");
2063 }
2064
2065 // LIR_OpProfileType
2066 void LIR_OpProfileType::print_instr(outputStream* out) const {
2067 out->print("exact = ");
2068 if (exact_klass() == NULL) {
2069 out->print("unknown");
2070 } else {
2071 exact_klass()->print_name_on(out);
2072 }
2073 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2074 out->print(" ");
2075 mdp()->print(out); out->print(" ");
2076 obj()->print(out); out->print(" ");
2077 tmp()->print(out); out->print(" ");
2078 }
2079
2080 #endif // PRODUCT
2081
2082 // Implementation of LIR_InsertionBuffer
2083
2084 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2085 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2086
2087 int i = number_of_insertion_points() - 1;
2088 if (i < 0 || index_at(i) < index) {
2089 append_new(index, 1);
2090 } else {
2091 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2092 assert(count_at(i) > 0, "check");
2093 set_count_at(i, count_at(i) + 1);
2094 }
2095 _ops.push(op);
2096
2097 DEBUG_ONLY(verify());
2098 }
2099
2100 #ifdef ASSERT
2101 void LIR_InsertionBuffer::verify() {
2102 int sum = 0;
2103 int prev_idx = -1;
2104
2105 for (int i = 0; i < number_of_insertion_points(); i++) {
2106 assert(prev_idx < index_at(i), "index must be ordered ascending");
2107 sum += count_at(i);
2108 }
2109 assert(sum == number_of_ops(), "wrong total sum");
2110 }
2111 #endif