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_CodeStubs.hpp"
27 #include "c1/c1_InstructionPrinter.hpp"
28 #include "c1/c1_LIR.hpp"
29 #include "c1/c1_LIRAssembler.hpp"
30 #include "c1/c1_ValueStack.hpp"
31 #include "ci/ciInstance.hpp"
32 #include "runtime/safepointMechanism.inline.hpp"
33 #include "runtime/sharedRuntime.hpp"
34 #include "runtime/vm_version.hpp"
35
36 Register LIR_Opr::as_register() const {
37 return FrameMap::cpu_rnr2reg(cpu_regnr());
38 }
39
40 Register LIR_Opr::as_register_lo() const {
41 return FrameMap::cpu_rnr2reg(cpu_regnrLo());
42 }
43
44 Register LIR_Opr::as_register_hi() const {
45 return FrameMap::cpu_rnr2reg(cpu_regnrHi());
46 }
47
48 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
49 LIR_Opr LIR_OprFact::nullOpr = LIR_Opr();
50
79 //---------------------------------------------------
80
81
82 LIR_Address::Scale LIR_Address::scale(BasicType type) {
83 int elem_size = type2aelembytes(type);
84 switch (elem_size) {
85 case 1: return LIR_Address::times_1;
86 case 2: return LIR_Address::times_2;
87 case 4: return LIR_Address::times_4;
88 case 8: return LIR_Address::times_8;
89 }
90 ShouldNotReachHere();
91 return LIR_Address::times_1;
92 }
93
94 //---------------------------------------------------
95
96 char LIR_Opr::type_char(BasicType t) {
97 switch (t) {
98 case T_ARRAY:
99 t = T_OBJECT;
100 case T_BOOLEAN:
101 case T_CHAR:
102 case T_FLOAT:
103 case T_DOUBLE:
104 case T_BYTE:
105 case T_SHORT:
106 case T_INT:
107 case T_LONG:
108 case T_OBJECT:
109 case T_ADDRESS:
110 case T_VOID:
111 return ::type2char(t);
112 case T_METADATA:
113 return 'M';
114 case T_ILLEGAL:
115 return '?';
116
117 default:
118 ShouldNotReachHere();
135 // FP return values can be also in CPU registers on ARM (softfp ABI)
136 assert((kindfield == fpu_register || kindfield == stack_value
137 ARM_ONLY(|| kindfield == cpu_register) ) &&
138 size_field() == single_size, "must match");
139 break;
140 case T_DOUBLE:
141 // FP return values can be also in CPU registers on ARM (softfp ABI)
142 assert((kindfield == fpu_register || kindfield == stack_value
143 ARM_ONLY(|| kindfield == cpu_register) ) &&
144 size_field() == double_size, "must match");
145 break;
146 case T_BOOLEAN:
147 case T_CHAR:
148 case T_BYTE:
149 case T_SHORT:
150 case T_INT:
151 case T_ADDRESS:
152 case T_OBJECT:
153 case T_METADATA:
154 case T_ARRAY:
155 assert((kindfield == cpu_register || kindfield == stack_value) &&
156 size_field() == single_size, "must match");
157 break;
158
159 case T_ILLEGAL:
160 // XXX TKR also means unknown right now
161 // assert(is_illegal(), "must match");
162 break;
163
164 default:
165 ShouldNotReachHere();
166 }
167 }
168 #endif
169
170 }
171 #endif // PRODUCT
172
173
174 bool LIR_Opr::is_oop() const {
272 assert(_ublock != NULL, "must have old block");
273 _ublock = b;
274 }
275
276 void LIR_OpBranch::negate_cond() {
277 switch (cond()) {
278 case lir_cond_equal: set_cond(lir_cond_notEqual); break;
279 case lir_cond_notEqual: set_cond(lir_cond_equal); break;
280 case lir_cond_less: set_cond(lir_cond_greaterEqual); break;
281 case lir_cond_lessEqual: set_cond(lir_cond_greater); break;
282 case lir_cond_greaterEqual: set_cond(lir_cond_less); break;
283 case lir_cond_greater: set_cond(lir_cond_lessEqual); break;
284 default: ShouldNotReachHere();
285 }
286 }
287
288
289 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
290 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
291 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
292 CodeStub* stub)
293
294 : LIR_Op(code, result, NULL)
295 , _object(object)
296 , _array(LIR_OprFact::illegalOpr)
297 , _klass(klass)
298 , _tmp1(tmp1)
299 , _tmp2(tmp2)
300 , _tmp3(tmp3)
301 , _fast_check(fast_check)
302 , _info_for_patch(info_for_patch)
303 , _info_for_exception(info_for_exception)
304 , _stub(stub)
305 , _profiled_method(NULL)
306 , _profiled_bci(-1)
307 , _should_profile(false)
308 {
309 if (code == lir_checkcast) {
310 assert(info_for_exception != NULL, "checkcast throws exceptions");
311 } else if (code == lir_instanceof) {
312 assert(info_for_exception == NULL, "instanceof throws no exceptions");
313 } else {
314 ShouldNotReachHere();
315 }
316 }
317
318
319
320 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)
321 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
322 , _object(object)
323 , _array(array)
324 , _klass(NULL)
325 , _tmp1(tmp1)
326 , _tmp2(tmp2)
327 , _tmp3(tmp3)
328 , _fast_check(false)
329 , _info_for_patch(NULL)
330 , _info_for_exception(info_for_exception)
331 , _stub(NULL)
332 , _profiled_method(NULL)
333 , _profiled_bci(-1)
334 , _should_profile(false)
335 {
336 if (code == lir_store_check) {
337 _stub = new ArrayStoreExceptionStub(object, info_for_exception);
338 assert(info_for_exception != NULL, "store_check throws exceptions");
339 } else {
340 ShouldNotReachHere();
341 }
342 }
343
344
345 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
346 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
347 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
348 , _src(src)
349 , _src_pos(src_pos)
350 , _dst(dst)
351 , _dst_pos(dst_pos)
352 , _length(length)
353 , _tmp(tmp)
354 , _expected_type(expected_type)
355 , _flags(flags) {
356 _stub = new ArrayCopyStub(this);
357 }
358
359 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
360 : LIR_Op(lir_updatecrc32, res, NULL)
361 , _crc(crc)
362 , _val(val) {
363 }
390 // The virtual call for each instruction type is replaced by a big
391 // switch that adds the operands for each instruction
392
393 void LIR_OpVisitState::visit(LIR_Op* op) {
394 // copy information from the LIR_Op
395 reset();
396 set_op(op);
397
398 switch (op->code()) {
399
400 // LIR_Op0
401 case lir_fpop_raw: // result and info always invalid
402 case lir_breakpoint: // result and info always invalid
403 case lir_membar: // result and info always invalid
404 case lir_membar_acquire: // result and info always invalid
405 case lir_membar_release: // result and info always invalid
406 case lir_membar_loadload: // result and info always invalid
407 case lir_membar_storestore: // result and info always invalid
408 case lir_membar_loadstore: // result and info always invalid
409 case lir_membar_storeload: // result and info always invalid
410 case lir_on_spin_wait:
411 {
412 assert(op->as_Op0() != NULL, "must be");
413 assert(op->_info == NULL, "info not used by this instruction");
414 assert(op->_result->is_illegal(), "not used");
415 break;
416 }
417
418 case lir_nop: // may have info, result always invalid
419 case lir_std_entry: // may have result, info always invalid
420 case lir_osr_entry: // may have result, info always invalid
421 case lir_get_thread: // may have result, info always invalid
422 {
423 assert(op->as_Op0() != NULL, "must be");
424 if (op->_info != NULL) do_info(op->_info);
425 if (op->_result->is_valid()) do_output(op->_result);
426 break;
427 }
428
429
784
785
786 // LIR_OpLock
787 case lir_lock:
788 case lir_unlock: {
789 assert(op->as_OpLock() != NULL, "must be");
790 LIR_OpLock* opLock = (LIR_OpLock*)op;
791
792 if (opLock->_info) do_info(opLock->_info);
793
794 // TODO: check if these operands really have to be temp
795 // (or if input is sufficient). This may have influence on the oop map!
796 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
797 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
798 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
799
800 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
801 assert(opLock->_result->is_illegal(), "unused");
802
803 do_stub(opLock->_stub);
804
805 break;
806 }
807
808
809 // LIR_OpDelay
810 case lir_delay_slot: {
811 assert(op->as_OpDelay() != NULL, "must be");
812 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
813
814 visit(opDelay->delay_op());
815 break;
816 }
817
818 // LIR_OpTypeCheck
819 case lir_instanceof:
820 case lir_checkcast:
821 case lir_store_check: {
822 assert(op->as_OpTypeCheck() != NULL, "must be");
823 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
824
825 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
826 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
827 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
828 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
829 do_temp(opTypeCheck->_object);
830 }
831 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
832 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
833 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
834 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
835 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
836 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
837 break;
838 }
839
840 // LIR_OpCompareAndSwap
841 case lir_cas_long:
842 case lir_cas_obj:
843 case lir_cas_int: {
844 assert(op->as_OpCompareAndSwap() != NULL, "must be");
845 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
846
847 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
848 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
849 do_temp(opCmpAndSwap->_addr);
850 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
851 do_temp(opCmpAndSwap->_cmp_value);
852 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
853 do_temp(opCmpAndSwap->_new_value);
854 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
855 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
856 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
857
858 break;
859 }
897 case lir_profile_call: {
898 assert(op->as_OpProfileCall() != NULL, "must be");
899 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
900
901 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
902 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
903 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
904 break;
905 }
906
907 // LIR_OpProfileType:
908 case lir_profile_type: {
909 assert(op->as_OpProfileType() != NULL, "must be");
910 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
911
912 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
913 do_input(opProfileType->_obj);
914 do_temp(opProfileType->_tmp);
915 break;
916 }
917 default:
918 op->visit(this);
919 }
920 }
921
922 void LIR_Op::visit(LIR_OpVisitState* state) {
923 ShouldNotReachHere();
924 }
925
926 void LIR_OpVisitState::do_stub(CodeStub* stub) {
927 if (stub != NULL) {
928 stub->visit(this);
929 }
930 }
931
932 XHandlers* LIR_OpVisitState::all_xhandler() {
933 XHandlers* result = NULL;
934
935 int i;
936 for (i = 0; i < info_count(); i++) {
937 if (info_at(i)->exception_handlers() != NULL) {
970 !has_slow_case();
971 }
972 #endif
973
974 // LIR_OpReturn
975 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
976 LIR_Op1(lir_return, opr, (CodeEmitInfo*)NULL /* info */),
977 _stub(NULL) {
978 if (VM_Version::supports_stack_watermark_barrier()) {
979 _stub = new C1SafepointPollStub();
980 }
981 }
982
983 //---------------------------------------------------
984
985
986 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
987 masm->emit_call(this);
988 }
989
990 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
991 masm->emit_rtcall(this);
992 }
993
994 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
995 masm->emit_opLabel(this);
996 }
997
998 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
999 masm->emit_arraycopy(this);
1000 masm->append_code_stub(stub());
1001 }
1002
1003 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1004 masm->emit_updatecrc32(this);
1005 }
1006
1007 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1008 masm->emit_op0(this);
1009 }
1030 masm->append_code_stub(stub());
1031 }
1032 }
1033
1034 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1035 masm->emit_op2(this);
1036 }
1037
1038 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1039 masm->emit_alloc_array(this);
1040 masm->append_code_stub(stub());
1041 }
1042
1043 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1044 masm->emit_opTypeCheck(this);
1045 if (stub()) {
1046 masm->append_code_stub(stub());
1047 }
1048 }
1049
1050 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1051 masm->emit_compare_and_swap(this);
1052 }
1053
1054 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1055 masm->emit_op3(this);
1056 }
1057
1058 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1059 masm->emit_op4(this);
1060 }
1061
1062 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1063 masm->emit_lock(this);
1064 if (stub()) {
1065 masm->append_code_stub(stub());
1066 }
1067 }
1068
1069 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1070 masm->emit_load_klass(this);
1071 }
1072
1073 #ifdef ASSERT
1074 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1075 masm->emit_assert(this);
1076 }
1077 #endif
1078
1079 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1080 masm->emit_delay(this);
1081 }
1082
1083 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1084 masm->emit_profile_call(this);
1085 }
1086
1087 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1088 masm->emit_profile_type(this);
1089 }
1090
1091 // LIR_List
1092 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1093 : _operations(8)
1094 , _compilation(compilation)
1095 #ifndef PRODUCT
1096 , _block(block)
1097 #endif
1098 #ifdef ASSERT
1099 , _file(NULL)
1100 , _line(0)
1101 #endif
1102 #ifdef RISCV
1103 , _cmp_opr1(LIR_OprFact::illegalOpr)
1104 , _cmp_opr2(LIR_OprFact::illegalOpr)
1105 #endif
1106 { }
1107
1108
1109 #ifdef ASSERT
1110 void LIR_List::set_file_and_line(const char * file, int line) {
1388 tmp));
1389 }
1390
1391
1392 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1393 append(new LIR_Op2(
1394 lir_ushr,
1395 value,
1396 count,
1397 dst,
1398 tmp));
1399 }
1400
1401 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1402 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1403 left,
1404 right,
1405 dst));
1406 }
1407
1408 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1409 append(new LIR_OpLock(
1410 lir_lock,
1411 hdr,
1412 obj,
1413 lock,
1414 scratch,
1415 stub,
1416 info));
1417 }
1418
1419 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1420 append(new LIR_OpLock(
1421 lir_unlock,
1422 hdr,
1423 obj,
1424 lock,
1425 scratch,
1426 stub,
1427 NULL));
1428 }
1429
1430
1431 void check_LIR() {
1432 // cannot do the proper checking as PRODUCT and other modes return different results
1433 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1434 }
1435
1436
1437
1438 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1439 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1440 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1441 ciMethod* profiled_method, int profiled_bci) {
1442 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1443 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
1444 if (profiled_method != NULL) {
1445 c->set_profiled_method(profiled_method);
1446 c->set_profiled_bci(profiled_bci);
1447 c->set_should_profile(true);
1448 }
1449 append(c);
1450 }
1451
1452 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) {
1453 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
1454 if (profiled_method != NULL) {
1455 c->set_profiled_method(profiled_method);
1456 c->set_profiled_bci(profiled_bci);
1457 c->set_should_profile(true);
1458 }
1459 append(c);
1460 }
1461
1462
1463 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1464 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1465 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1466 if (profiled_method != NULL) {
1467 c->set_profiled_method(profiled_method);
1468 c->set_profiled_bci(profiled_bci);
1469 c->set_should_profile(true);
1470 }
1471 append(c);
1472 }
1473
1474 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1475 if (deoptimize_on_null) {
1476 // Emit an explicit null check and deoptimize if opr is null
1477 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1478 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(NULL));
1479 branch(lir_cond_equal, deopt);
1480 } else {
1481 // Emit an implicit null check
1482 append(new LIR_Op1(lir_null_check, opr, info));
1483 }
1484 }
1485
1486 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1487 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1488 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1489 }
1490
1491 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1492 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1493 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1494 }
1495
1496 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1497 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1498 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1499 }
1500
1501
1502 #ifdef PRODUCT
1503
1504 void print_LIR(BlockList* blocks) {
1505 }
1682
1683 const char * LIR_Op::name() const {
1684 const char* s = NULL;
1685 switch(code()) {
1686 // LIR_Op0
1687 case lir_membar: s = "membar"; break;
1688 case lir_membar_acquire: s = "membar_acquire"; break;
1689 case lir_membar_release: s = "membar_release"; break;
1690 case lir_membar_loadload: s = "membar_loadload"; break;
1691 case lir_membar_storestore: s = "membar_storestore"; break;
1692 case lir_membar_loadstore: s = "membar_loadstore"; break;
1693 case lir_membar_storeload: s = "membar_storeload"; break;
1694 case lir_label: s = "label"; break;
1695 case lir_nop: s = "nop"; break;
1696 case lir_on_spin_wait: s = "on_spin_wait"; break;
1697 case lir_std_entry: s = "std_entry"; break;
1698 case lir_osr_entry: s = "osr_entry"; break;
1699 case lir_fpop_raw: s = "fpop_raw"; break;
1700 case lir_breakpoint: s = "breakpoint"; break;
1701 case lir_get_thread: s = "get_thread"; break;
1702 // LIR_Op1
1703 case lir_fxch: s = "fxch"; break;
1704 case lir_fld: s = "fld"; break;
1705 case lir_push: s = "push"; break;
1706 case lir_pop: s = "pop"; break;
1707 case lir_null_check: s = "null_check"; break;
1708 case lir_return: s = "return"; break;
1709 case lir_safepoint: s = "safepoint"; break;
1710 case lir_leal: s = "leal"; break;
1711 case lir_branch: s = "branch"; break;
1712 case lir_cond_float_branch: s = "flt_cond_br"; break;
1713 case lir_move: s = "move"; break;
1714 case lir_roundfp: s = "roundfp"; break;
1715 case lir_rtcall: s = "rtcall"; break;
1716 case lir_throw: s = "throw"; break;
1717 case lir_unwind: s = "unwind"; break;
1718 case lir_convert: s = "convert"; break;
1719 case lir_alloc_object: s = "alloc_obj"; break;
1720 case lir_monaddr: s = "mon_addr"; break;
1721 // LIR_Op2
1748 // LIR_Op4
1749 case lir_cmove: s = "cmove"; break;
1750 // LIR_OpJavaCall
1751 case lir_static_call: s = "static"; break;
1752 case lir_optvirtual_call: s = "optvirtual"; break;
1753 case lir_icvirtual_call: s = "icvirtual"; break;
1754 case lir_dynamic_call: s = "dynamic"; break;
1755 // LIR_OpArrayCopy
1756 case lir_arraycopy: s = "arraycopy"; break;
1757 // LIR_OpUpdateCRC32
1758 case lir_updatecrc32: s = "updatecrc32"; break;
1759 // LIR_OpLock
1760 case lir_lock: s = "lock"; break;
1761 case lir_unlock: s = "unlock"; break;
1762 // LIR_OpDelay
1763 case lir_delay_slot: s = "delay"; break;
1764 // LIR_OpTypeCheck
1765 case lir_instanceof: s = "instanceof"; break;
1766 case lir_checkcast: s = "checkcast"; break;
1767 case lir_store_check: s = "store_check"; break;
1768 // LIR_OpCompareAndSwap
1769 case lir_cas_long: s = "cas_long"; break;
1770 case lir_cas_obj: s = "cas_obj"; break;
1771 case lir_cas_int: s = "cas_int"; break;
1772 // LIR_OpProfileCall
1773 case lir_profile_call: s = "profile_call"; break;
1774 // LIR_OpProfileType
1775 case lir_profile_type: s = "profile_type"; break;
1776 // LIR_OpAssert
1777 #ifdef ASSERT
1778 case lir_assert: s = "assert"; break;
1779 #endif
1780 case lir_none: ShouldNotReachHere();break;
1781 default: s = "illegal_op"; break;
1782 }
1783 return s;
1784 }
1785
1786 // LIR_OpJavaCall
1787 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1788 out->print("call: ");
1789 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1790 if (receiver()->is_valid()) {
1791 out->print(" [recv: "); receiver()->print(out); out->print("]");
1792 }
1793 if (result_opr()->is_valid()) {
1794 out->print(" [result: "); result_opr()->print(out); out->print("]");
1795 }
1987 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1988 }
1989
1990
1991 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
1992 object()->print(out); out->print(" ");
1993 if (code() == lir_store_check) {
1994 array()->print(out); out->print(" ");
1995 }
1996 if (code() != lir_store_check) {
1997 klass()->print_name_on(out); out->print(" ");
1998 if (fast_check()) out->print("fast_check ");
1999 }
2000 tmp1()->print(out); out->print(" ");
2001 tmp2()->print(out); out->print(" ");
2002 tmp3()->print(out); out->print(" ");
2003 result_opr()->print(out); out->print(" ");
2004 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2005 }
2006
2007
2008 // LIR_Op3
2009 void LIR_Op3::print_instr(outputStream* out) const {
2010 in_opr1()->print(out); out->print(" ");
2011 in_opr2()->print(out); out->print(" ");
2012 in_opr3()->print(out); out->print(" ");
2013 result_opr()->print(out);
2014 }
2015
2016 // LIR_Op4
2017 void LIR_Op4::print_instr(outputStream* out) const {
2018 print_condition(out, condition()); out->print(" ");
2019 in_opr1()->print(out); out->print(" ");
2020 in_opr2()->print(out); out->print(" ");
2021 in_opr3()->print(out); out->print(" ");
2022 in_opr4()->print(out); out->print(" ");
2023 result_opr()->print(out);
2024 }
2025
2026 void LIR_OpLock::print_instr(outputStream* out) const {
2062 mdo()->print(out); out->print(" ");
2063 recv()->print(out); out->print(" ");
2064 tmp1()->print(out); out->print(" ");
2065 }
2066
2067 // LIR_OpProfileType
2068 void LIR_OpProfileType::print_instr(outputStream* out) const {
2069 out->print("exact = ");
2070 if (exact_klass() == NULL) {
2071 out->print("unknown");
2072 } else {
2073 exact_klass()->print_name_on(out);
2074 }
2075 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2076 out->print(" ");
2077 mdp()->print(out); out->print(" ");
2078 obj()->print(out); out->print(" ");
2079 tmp()->print(out); out->print(" ");
2080 }
2081
2082 #endif // PRODUCT
2083
2084 // Implementation of LIR_InsertionBuffer
2085
2086 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2087 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2088
2089 int i = number_of_insertion_points() - 1;
2090 if (i < 0 || index_at(i) < index) {
2091 append_new(index, 1);
2092 } else {
2093 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2094 assert(count_at(i) > 0, "check");
2095 set_count_at(i, count_at(i) + 1);
2096 }
2097 _ops.push(op);
2098
2099 DEBUG_ONLY(verify());
2100 }
2101
|
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_CodeStubs.hpp"
27 #include "c1/c1_InstructionPrinter.hpp"
28 #include "c1/c1_LIR.hpp"
29 #include "c1/c1_LIRAssembler.hpp"
30 #include "c1/c1_ValueStack.hpp"
31 #include "ci/ciInlineKlass.hpp"
32 #include "ci/ciInstance.hpp"
33 #include "runtime/safepointMechanism.inline.hpp"
34 #include "runtime/sharedRuntime.hpp"
35 #include "runtime/vm_version.hpp"
36
37 Register LIR_Opr::as_register() const {
38 return FrameMap::cpu_rnr2reg(cpu_regnr());
39 }
40
41 Register LIR_Opr::as_register_lo() const {
42 return FrameMap::cpu_rnr2reg(cpu_regnrLo());
43 }
44
45 Register LIR_Opr::as_register_hi() const {
46 return FrameMap::cpu_rnr2reg(cpu_regnrHi());
47 }
48
49 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
50 LIR_Opr LIR_OprFact::nullOpr = LIR_Opr();
51
80 //---------------------------------------------------
81
82
83 LIR_Address::Scale LIR_Address::scale(BasicType type) {
84 int elem_size = type2aelembytes(type);
85 switch (elem_size) {
86 case 1: return LIR_Address::times_1;
87 case 2: return LIR_Address::times_2;
88 case 4: return LIR_Address::times_4;
89 case 8: return LIR_Address::times_8;
90 }
91 ShouldNotReachHere();
92 return LIR_Address::times_1;
93 }
94
95 //---------------------------------------------------
96
97 char LIR_Opr::type_char(BasicType t) {
98 switch (t) {
99 case T_ARRAY:
100 case T_PRIMITIVE_OBJECT:
101 t = T_OBJECT;
102 case T_BOOLEAN:
103 case T_CHAR:
104 case T_FLOAT:
105 case T_DOUBLE:
106 case T_BYTE:
107 case T_SHORT:
108 case T_INT:
109 case T_LONG:
110 case T_OBJECT:
111 case T_ADDRESS:
112 case T_VOID:
113 return ::type2char(t);
114 case T_METADATA:
115 return 'M';
116 case T_ILLEGAL:
117 return '?';
118
119 default:
120 ShouldNotReachHere();
137 // FP return values can be also in CPU registers on ARM (softfp ABI)
138 assert((kindfield == fpu_register || kindfield == stack_value
139 ARM_ONLY(|| kindfield == cpu_register) ) &&
140 size_field() == single_size, "must match");
141 break;
142 case T_DOUBLE:
143 // FP return values can be also in CPU registers on ARM (softfp ABI)
144 assert((kindfield == fpu_register || kindfield == stack_value
145 ARM_ONLY(|| kindfield == cpu_register) ) &&
146 size_field() == double_size, "must match");
147 break;
148 case T_BOOLEAN:
149 case T_CHAR:
150 case T_BYTE:
151 case T_SHORT:
152 case T_INT:
153 case T_ADDRESS:
154 case T_OBJECT:
155 case T_METADATA:
156 case T_ARRAY:
157 case T_PRIMITIVE_OBJECT:
158 assert((kindfield == cpu_register || kindfield == stack_value) &&
159 size_field() == single_size, "must match");
160 break;
161
162 case T_ILLEGAL:
163 // XXX TKR also means unknown right now
164 // assert(is_illegal(), "must match");
165 break;
166
167 default:
168 ShouldNotReachHere();
169 }
170 }
171 #endif
172
173 }
174 #endif // PRODUCT
175
176
177 bool LIR_Opr::is_oop() const {
275 assert(_ublock != NULL, "must have old block");
276 _ublock = b;
277 }
278
279 void LIR_OpBranch::negate_cond() {
280 switch (cond()) {
281 case lir_cond_equal: set_cond(lir_cond_notEqual); break;
282 case lir_cond_notEqual: set_cond(lir_cond_equal); break;
283 case lir_cond_less: set_cond(lir_cond_greaterEqual); break;
284 case lir_cond_lessEqual: set_cond(lir_cond_greater); break;
285 case lir_cond_greaterEqual: set_cond(lir_cond_less); break;
286 case lir_cond_greater: set_cond(lir_cond_lessEqual); break;
287 default: ShouldNotReachHere();
288 }
289 }
290
291
292 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
293 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
294 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
295 CodeStub* stub, bool need_null_check)
296
297 : LIR_Op(code, result, NULL)
298 , _object(object)
299 , _array(LIR_OprFact::illegalOpr)
300 , _klass(klass)
301 , _tmp1(tmp1)
302 , _tmp2(tmp2)
303 , _tmp3(tmp3)
304 , _fast_check(fast_check)
305 , _info_for_patch(info_for_patch)
306 , _info_for_exception(info_for_exception)
307 , _stub(stub)
308 , _profiled_method(NULL)
309 , _profiled_bci(-1)
310 , _should_profile(false)
311 , _need_null_check(need_null_check)
312 {
313 if (code == lir_checkcast) {
314 assert(info_for_exception != NULL, "checkcast throws exceptions");
315 } else if (code == lir_instanceof) {
316 assert(info_for_exception == NULL, "instanceof throws no exceptions");
317 } else {
318 ShouldNotReachHere();
319 }
320 }
321
322
323
324 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)
325 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
326 , _object(object)
327 , _array(array)
328 , _klass(NULL)
329 , _tmp1(tmp1)
330 , _tmp2(tmp2)
331 , _tmp3(tmp3)
332 , _fast_check(false)
333 , _info_for_patch(NULL)
334 , _info_for_exception(info_for_exception)
335 , _stub(NULL)
336 , _profiled_method(NULL)
337 , _profiled_bci(-1)
338 , _should_profile(false)
339 , _need_null_check(true)
340 {
341 if (code == lir_store_check) {
342 _stub = new ArrayStoreExceptionStub(object, info_for_exception);
343 assert(info_for_exception != NULL, "store_check throws exceptions");
344 } else {
345 ShouldNotReachHere();
346 }
347 }
348
349 LIR_OpFlattenedArrayCheck::LIR_OpFlattenedArrayCheck(LIR_Opr array, LIR_Opr value, LIR_Opr tmp, CodeStub* stub)
350 : LIR_Op(lir_flattened_array_check, LIR_OprFact::illegalOpr, NULL)
351 , _array(array)
352 , _value(value)
353 , _tmp(tmp)
354 , _stub(stub) {}
355
356
357 LIR_OpNullFreeArrayCheck::LIR_OpNullFreeArrayCheck(LIR_Opr array, LIR_Opr tmp)
358 : LIR_Op(lir_null_free_array_check, LIR_OprFact::illegalOpr, NULL)
359 , _array(array)
360 , _tmp(tmp) {}
361
362
363 LIR_OpSubstitutabilityCheck::LIR_OpSubstitutabilityCheck(LIR_Opr result, LIR_Opr left, LIR_Opr right, LIR_Opr equal_result, LIR_Opr not_equal_result,
364 LIR_Opr tmp1, LIR_Opr tmp2,
365 ciKlass* left_klass, ciKlass* right_klass, LIR_Opr left_klass_op, LIR_Opr right_klass_op,
366 CodeEmitInfo* info, CodeStub* stub)
367 : LIR_Op(lir_substitutability_check, result, info)
368 , _left(left)
369 , _right(right)
370 , _equal_result(equal_result)
371 , _not_equal_result(not_equal_result)
372 , _tmp1(tmp1)
373 , _tmp2(tmp2)
374 , _left_klass(left_klass)
375 , _right_klass(right_klass)
376 , _left_klass_op(left_klass_op)
377 , _right_klass_op(right_klass_op)
378 , _stub(stub) {}
379
380
381 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
382 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
383 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
384 , _src(src)
385 , _src_pos(src_pos)
386 , _dst(dst)
387 , _dst_pos(dst_pos)
388 , _length(length)
389 , _tmp(tmp)
390 , _expected_type(expected_type)
391 , _flags(flags) {
392 _stub = new ArrayCopyStub(this);
393 }
394
395 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
396 : LIR_Op(lir_updatecrc32, res, NULL)
397 , _crc(crc)
398 , _val(val) {
399 }
426 // The virtual call for each instruction type is replaced by a big
427 // switch that adds the operands for each instruction
428
429 void LIR_OpVisitState::visit(LIR_Op* op) {
430 // copy information from the LIR_Op
431 reset();
432 set_op(op);
433
434 switch (op->code()) {
435
436 // LIR_Op0
437 case lir_fpop_raw: // result and info always invalid
438 case lir_breakpoint: // result and info always invalid
439 case lir_membar: // result and info always invalid
440 case lir_membar_acquire: // result and info always invalid
441 case lir_membar_release: // result and info always invalid
442 case lir_membar_loadload: // result and info always invalid
443 case lir_membar_storestore: // result and info always invalid
444 case lir_membar_loadstore: // result and info always invalid
445 case lir_membar_storeload: // result and info always invalid
446 case lir_check_orig_pc: // result and info always invalid
447 case lir_on_spin_wait:
448 {
449 assert(op->as_Op0() != NULL, "must be");
450 assert(op->_info == NULL, "info not used by this instruction");
451 assert(op->_result->is_illegal(), "not used");
452 break;
453 }
454
455 case lir_nop: // may have info, result always invalid
456 case lir_std_entry: // may have result, info always invalid
457 case lir_osr_entry: // may have result, info always invalid
458 case lir_get_thread: // may have result, info always invalid
459 {
460 assert(op->as_Op0() != NULL, "must be");
461 if (op->_info != NULL) do_info(op->_info);
462 if (op->_result->is_valid()) do_output(op->_result);
463 break;
464 }
465
466
821
822
823 // LIR_OpLock
824 case lir_lock:
825 case lir_unlock: {
826 assert(op->as_OpLock() != NULL, "must be");
827 LIR_OpLock* opLock = (LIR_OpLock*)op;
828
829 if (opLock->_info) do_info(opLock->_info);
830
831 // TODO: check if these operands really have to be temp
832 // (or if input is sufficient). This may have influence on the oop map!
833 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
834 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
835 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
836
837 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
838 assert(opLock->_result->is_illegal(), "unused");
839
840 do_stub(opLock->_stub);
841 do_stub(opLock->_throw_imse_stub);
842
843 break;
844 }
845
846
847 // LIR_OpDelay
848 case lir_delay_slot: {
849 assert(op->as_OpDelay() != NULL, "must be");
850 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
851
852 visit(opDelay->delay_op());
853 break;
854 }
855
856 // LIR_OpTypeCheck
857 case lir_instanceof:
858 case lir_checkcast:
859 case lir_store_check: {
860 assert(op->as_OpTypeCheck() != NULL, "must be");
861 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
862
863 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
864 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
865 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
866 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
867 do_temp(opTypeCheck->_object);
868 }
869 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
870 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
871 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
872 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
873 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
874 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
875 break;
876 }
877
878 // LIR_OpFlattenedArrayCheck
879 case lir_flattened_array_check: {
880 assert(op->as_OpFlattenedArrayCheck() != NULL, "must be");
881 LIR_OpFlattenedArrayCheck* opFlattenedArrayCheck = (LIR_OpFlattenedArrayCheck*)op;
882
883 if (opFlattenedArrayCheck->_array->is_valid()) do_input(opFlattenedArrayCheck->_array);
884 if (opFlattenedArrayCheck->_value->is_valid()) do_input(opFlattenedArrayCheck->_value);
885 if (opFlattenedArrayCheck->_tmp->is_valid()) do_temp(opFlattenedArrayCheck->_tmp);
886
887 do_stub(opFlattenedArrayCheck->_stub);
888
889 break;
890 }
891
892 // LIR_OpNullFreeArrayCheck
893 case lir_null_free_array_check: {
894 assert(op->as_OpNullFreeArrayCheck() != NULL, "must be");
895 LIR_OpNullFreeArrayCheck* opNullFreeArrayCheck = (LIR_OpNullFreeArrayCheck*)op;
896
897 if (opNullFreeArrayCheck->_array->is_valid()) do_input(opNullFreeArrayCheck->_array);
898 if (opNullFreeArrayCheck->_tmp->is_valid()) do_temp(opNullFreeArrayCheck->_tmp);
899 break;
900 }
901
902 // LIR_OpSubstitutabilityCheck
903 case lir_substitutability_check: {
904 assert(op->as_OpSubstitutabilityCheck() != NULL, "must be");
905 LIR_OpSubstitutabilityCheck* opSubstitutabilityCheck = (LIR_OpSubstitutabilityCheck*)op;
906 do_input(opSubstitutabilityCheck->_left);
907 do_temp (opSubstitutabilityCheck->_left);
908 do_input(opSubstitutabilityCheck->_right);
909 do_temp (opSubstitutabilityCheck->_right);
910 do_input(opSubstitutabilityCheck->_equal_result);
911 do_temp (opSubstitutabilityCheck->_equal_result);
912 do_input(opSubstitutabilityCheck->_not_equal_result);
913 do_temp (opSubstitutabilityCheck->_not_equal_result);
914 if (opSubstitutabilityCheck->_tmp1->is_valid()) do_temp(opSubstitutabilityCheck->_tmp1);
915 if (opSubstitutabilityCheck->_tmp2->is_valid()) do_temp(opSubstitutabilityCheck->_tmp2);
916 if (opSubstitutabilityCheck->_left_klass_op->is_valid()) do_temp(opSubstitutabilityCheck->_left_klass_op);
917 if (opSubstitutabilityCheck->_right_klass_op->is_valid()) do_temp(opSubstitutabilityCheck->_right_klass_op);
918 if (opSubstitutabilityCheck->_result->is_valid()) do_output(opSubstitutabilityCheck->_result);
919
920 do_info(opSubstitutabilityCheck->_info);
921 do_stub(opSubstitutabilityCheck->_stub);
922 break;
923 }
924
925 // LIR_OpCompareAndSwap
926 case lir_cas_long:
927 case lir_cas_obj:
928 case lir_cas_int: {
929 assert(op->as_OpCompareAndSwap() != NULL, "must be");
930 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
931
932 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
933 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
934 do_temp(opCmpAndSwap->_addr);
935 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
936 do_temp(opCmpAndSwap->_cmp_value);
937 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
938 do_temp(opCmpAndSwap->_new_value);
939 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
940 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
941 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
942
943 break;
944 }
982 case lir_profile_call: {
983 assert(op->as_OpProfileCall() != NULL, "must be");
984 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
985
986 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
987 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
988 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
989 break;
990 }
991
992 // LIR_OpProfileType:
993 case lir_profile_type: {
994 assert(op->as_OpProfileType() != NULL, "must be");
995 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
996
997 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
998 do_input(opProfileType->_obj);
999 do_temp(opProfileType->_tmp);
1000 break;
1001 }
1002
1003 // LIR_OpProfileInlineType:
1004 case lir_profile_inline_type: {
1005 assert(op->as_OpProfileInlineType() != NULL, "must be");
1006 LIR_OpProfileInlineType* opProfileInlineType = (LIR_OpProfileInlineType*)op;
1007
1008 do_input(opProfileInlineType->_mdp); do_temp(opProfileInlineType->_mdp);
1009 do_input(opProfileInlineType->_obj);
1010 do_temp(opProfileInlineType->_tmp);
1011 break;
1012 }
1013 default:
1014 op->visit(this);
1015 }
1016 }
1017
1018 void LIR_Op::visit(LIR_OpVisitState* state) {
1019 ShouldNotReachHere();
1020 }
1021
1022 void LIR_OpVisitState::do_stub(CodeStub* stub) {
1023 if (stub != NULL) {
1024 stub->visit(this);
1025 }
1026 }
1027
1028 XHandlers* LIR_OpVisitState::all_xhandler() {
1029 XHandlers* result = NULL;
1030
1031 int i;
1032 for (i = 0; i < info_count(); i++) {
1033 if (info_at(i)->exception_handlers() != NULL) {
1066 !has_slow_case();
1067 }
1068 #endif
1069
1070 // LIR_OpReturn
1071 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
1072 LIR_Op1(lir_return, opr, (CodeEmitInfo*)NULL /* info */),
1073 _stub(NULL) {
1074 if (VM_Version::supports_stack_watermark_barrier()) {
1075 _stub = new C1SafepointPollStub();
1076 }
1077 }
1078
1079 //---------------------------------------------------
1080
1081
1082 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
1083 masm->emit_call(this);
1084 }
1085
1086 bool LIR_OpJavaCall::maybe_return_as_fields(ciInlineKlass** vk_ret) const {
1087 ciType* return_type = method()->return_type();
1088 if (InlineTypeReturnedAsFields) {
1089 if (return_type->is_inlinetype()) {
1090 ciInlineKlass* vk = return_type->as_inline_klass();
1091 if (vk->can_be_returned_as_fields()) {
1092 if (vk_ret != NULL) {
1093 *vk_ret = vk;
1094 }
1095 return true;
1096 }
1097 } else if (return_type->is_instance_klass() &&
1098 (method()->is_method_handle_intrinsic() ||
1099 (!return_type->is_loaded() && !method()->holder()->is_loaded()))) {
1100 // An inline type might be returned from the call but we don't know its type.
1101 // This can happen with method handle intrinsics or when both the return type
1102 // and the method holder are unloaded (and therefore the preload logic did not
1103 // get a chance to load the return type). If an inline type is returned, we
1104 // either get an oop to a buffer and nothing needs to be done or one of the
1105 // values being returned is the klass of the inline type (RAX on x64, with LSB
1106 // set to 1) and we need to allocate an inline type instance of that type and
1107 // initialize it with other values being returned (in other registers).
1108 return true;
1109 }
1110 }
1111 return false;
1112 }
1113
1114 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
1115 masm->emit_rtcall(this);
1116 }
1117
1118 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1119 masm->emit_opLabel(this);
1120 }
1121
1122 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1123 masm->emit_arraycopy(this);
1124 masm->append_code_stub(stub());
1125 }
1126
1127 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1128 masm->emit_updatecrc32(this);
1129 }
1130
1131 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1132 masm->emit_op0(this);
1133 }
1154 masm->append_code_stub(stub());
1155 }
1156 }
1157
1158 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1159 masm->emit_op2(this);
1160 }
1161
1162 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1163 masm->emit_alloc_array(this);
1164 masm->append_code_stub(stub());
1165 }
1166
1167 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1168 masm->emit_opTypeCheck(this);
1169 if (stub()) {
1170 masm->append_code_stub(stub());
1171 }
1172 }
1173
1174 void LIR_OpFlattenedArrayCheck::emit_code(LIR_Assembler* masm) {
1175 masm->emit_opFlattenedArrayCheck(this);
1176 if (stub() != NULL) {
1177 masm->append_code_stub(stub());
1178 }
1179 }
1180
1181 void LIR_OpNullFreeArrayCheck::emit_code(LIR_Assembler* masm) {
1182 masm->emit_opNullFreeArrayCheck(this);
1183 }
1184
1185 void LIR_OpSubstitutabilityCheck::emit_code(LIR_Assembler* masm) {
1186 masm->emit_opSubstitutabilityCheck(this);
1187 if (stub() != NULL) {
1188 masm->append_code_stub(stub());
1189 }
1190 }
1191
1192 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1193 masm->emit_compare_and_swap(this);
1194 }
1195
1196 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1197 masm->emit_op3(this);
1198 }
1199
1200 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1201 masm->emit_op4(this);
1202 }
1203
1204 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1205 masm->emit_lock(this);
1206 if (stub()) {
1207 masm->append_code_stub(stub());
1208 }
1209 if (throw_imse_stub()) {
1210 masm->append_code_stub(throw_imse_stub());
1211 }
1212 }
1213
1214 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1215 masm->emit_load_klass(this);
1216 }
1217
1218 #ifdef ASSERT
1219 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1220 masm->emit_assert(this);
1221 }
1222 #endif
1223
1224 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1225 masm->emit_delay(this);
1226 }
1227
1228 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1229 masm->emit_profile_call(this);
1230 }
1231
1232 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1233 masm->emit_profile_type(this);
1234 }
1235
1236 void LIR_OpProfileInlineType::emit_code(LIR_Assembler* masm) {
1237 masm->emit_profile_inline_type(this);
1238 }
1239
1240 // LIR_List
1241 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1242 : _operations(8)
1243 , _compilation(compilation)
1244 #ifndef PRODUCT
1245 , _block(block)
1246 #endif
1247 #ifdef ASSERT
1248 , _file(NULL)
1249 , _line(0)
1250 #endif
1251 #ifdef RISCV
1252 , _cmp_opr1(LIR_OprFact::illegalOpr)
1253 , _cmp_opr2(LIR_OprFact::illegalOpr)
1254 #endif
1255 { }
1256
1257
1258 #ifdef ASSERT
1259 void LIR_List::set_file_and_line(const char * file, int line) {
1537 tmp));
1538 }
1539
1540
1541 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1542 append(new LIR_Op2(
1543 lir_ushr,
1544 value,
1545 count,
1546 dst,
1547 tmp));
1548 }
1549
1550 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1551 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1552 left,
1553 right,
1554 dst));
1555 }
1556
1557 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info, CodeStub* throw_imse_stub) {
1558 append(new LIR_OpLock(
1559 lir_lock,
1560 hdr,
1561 obj,
1562 lock,
1563 scratch,
1564 stub,
1565 info,
1566 throw_imse_stub));
1567 }
1568
1569 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1570 append(new LIR_OpLock(
1571 lir_unlock,
1572 hdr,
1573 obj,
1574 lock,
1575 scratch,
1576 stub,
1577 NULL));
1578 }
1579
1580
1581 void check_LIR() {
1582 // cannot do the proper checking as PRODUCT and other modes return different results
1583 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1584 }
1585
1586
1587
1588 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1589 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1590 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1591 ciMethod* profiled_method, int profiled_bci, bool is_null_free) {
1592 // If klass is non-nullable, LIRGenerator::do_CheckCast has already performed null-check
1593 // on the object.
1594 bool need_null_check = !is_null_free;
1595 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1596 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub,
1597 need_null_check);
1598 if (profiled_method != NULL) {
1599 c->set_profiled_method(profiled_method);
1600 c->set_profiled_bci(profiled_bci);
1601 c->set_should_profile(true);
1602 }
1603 append(c);
1604 }
1605
1606 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) {
1607 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
1608 if (profiled_method != NULL) {
1609 c->set_profiled_method(profiled_method);
1610 c->set_profiled_bci(profiled_bci);
1611 c->set_should_profile(true);
1612 }
1613 append(c);
1614 }
1615
1616
1617 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1618 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1619 // FIXME -- if the types of the array and/or the object are known statically, we can avoid loading the klass
1620 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1621 if (profiled_method != NULL) {
1622 c->set_profiled_method(profiled_method);
1623 c->set_profiled_bci(profiled_bci);
1624 c->set_should_profile(true);
1625 }
1626 append(c);
1627 }
1628
1629 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1630 if (deoptimize_on_null) {
1631 // Emit an explicit null check and deoptimize if opr is null
1632 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1633 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(NULL));
1634 branch(lir_cond_equal, deopt);
1635 } else {
1636 // Emit an implicit null check
1637 append(new LIR_Op1(lir_null_check, opr, info));
1638 }
1639 }
1640
1641 void LIR_List::check_flattened_array(LIR_Opr array, LIR_Opr value, LIR_Opr tmp, CodeStub* stub) {
1642 LIR_OpFlattenedArrayCheck* c = new LIR_OpFlattenedArrayCheck(array, value, tmp, stub);
1643 append(c);
1644 }
1645
1646 void LIR_List::check_null_free_array(LIR_Opr array, LIR_Opr tmp) {
1647 LIR_OpNullFreeArrayCheck* c = new LIR_OpNullFreeArrayCheck(array, tmp);
1648 append(c);
1649 }
1650
1651 void LIR_List::substitutability_check(LIR_Opr result, LIR_Opr left, LIR_Opr right, LIR_Opr equal_result, LIR_Opr not_equal_result,
1652 LIR_Opr tmp1, LIR_Opr tmp2,
1653 ciKlass* left_klass, ciKlass* right_klass, LIR_Opr left_klass_op, LIR_Opr right_klass_op,
1654 CodeEmitInfo* info, CodeStub* stub) {
1655 LIR_OpSubstitutabilityCheck* c = new LIR_OpSubstitutabilityCheck(result, left, right, equal_result, not_equal_result,
1656 tmp1, tmp2,
1657 left_klass, right_klass, left_klass_op, right_klass_op,
1658 info, stub);
1659 append(c);
1660 }
1661
1662 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1663 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1664 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1665 }
1666
1667 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1668 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1669 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1670 }
1671
1672 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1673 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1674 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1675 }
1676
1677
1678 #ifdef PRODUCT
1679
1680 void print_LIR(BlockList* blocks) {
1681 }
1858
1859 const char * LIR_Op::name() const {
1860 const char* s = NULL;
1861 switch(code()) {
1862 // LIR_Op0
1863 case lir_membar: s = "membar"; break;
1864 case lir_membar_acquire: s = "membar_acquire"; break;
1865 case lir_membar_release: s = "membar_release"; break;
1866 case lir_membar_loadload: s = "membar_loadload"; break;
1867 case lir_membar_storestore: s = "membar_storestore"; break;
1868 case lir_membar_loadstore: s = "membar_loadstore"; break;
1869 case lir_membar_storeload: s = "membar_storeload"; break;
1870 case lir_label: s = "label"; break;
1871 case lir_nop: s = "nop"; break;
1872 case lir_on_spin_wait: s = "on_spin_wait"; break;
1873 case lir_std_entry: s = "std_entry"; break;
1874 case lir_osr_entry: s = "osr_entry"; break;
1875 case lir_fpop_raw: s = "fpop_raw"; break;
1876 case lir_breakpoint: s = "breakpoint"; break;
1877 case lir_get_thread: s = "get_thread"; break;
1878 case lir_check_orig_pc: s = "check_orig_pc"; break;
1879 // LIR_Op1
1880 case lir_fxch: s = "fxch"; break;
1881 case lir_fld: s = "fld"; break;
1882 case lir_push: s = "push"; break;
1883 case lir_pop: s = "pop"; break;
1884 case lir_null_check: s = "null_check"; break;
1885 case lir_return: s = "return"; break;
1886 case lir_safepoint: s = "safepoint"; break;
1887 case lir_leal: s = "leal"; break;
1888 case lir_branch: s = "branch"; break;
1889 case lir_cond_float_branch: s = "flt_cond_br"; break;
1890 case lir_move: s = "move"; break;
1891 case lir_roundfp: s = "roundfp"; break;
1892 case lir_rtcall: s = "rtcall"; break;
1893 case lir_throw: s = "throw"; break;
1894 case lir_unwind: s = "unwind"; break;
1895 case lir_convert: s = "convert"; break;
1896 case lir_alloc_object: s = "alloc_obj"; break;
1897 case lir_monaddr: s = "mon_addr"; break;
1898 // LIR_Op2
1925 // LIR_Op4
1926 case lir_cmove: s = "cmove"; break;
1927 // LIR_OpJavaCall
1928 case lir_static_call: s = "static"; break;
1929 case lir_optvirtual_call: s = "optvirtual"; break;
1930 case lir_icvirtual_call: s = "icvirtual"; break;
1931 case lir_dynamic_call: s = "dynamic"; break;
1932 // LIR_OpArrayCopy
1933 case lir_arraycopy: s = "arraycopy"; break;
1934 // LIR_OpUpdateCRC32
1935 case lir_updatecrc32: s = "updatecrc32"; break;
1936 // LIR_OpLock
1937 case lir_lock: s = "lock"; break;
1938 case lir_unlock: s = "unlock"; break;
1939 // LIR_OpDelay
1940 case lir_delay_slot: s = "delay"; break;
1941 // LIR_OpTypeCheck
1942 case lir_instanceof: s = "instanceof"; break;
1943 case lir_checkcast: s = "checkcast"; break;
1944 case lir_store_check: s = "store_check"; break;
1945 // LIR_OpFlattenedArrayCheck
1946 case lir_flattened_array_check: s = "flattened_array_check"; break;
1947 // LIR_OpNullFreeArrayCheck
1948 case lir_null_free_array_check: s = "null_free_array_check"; break;
1949 // LIR_OpSubstitutabilityCheck
1950 case lir_substitutability_check: s = "substitutability_check"; break;
1951 // LIR_OpCompareAndSwap
1952 case lir_cas_long: s = "cas_long"; break;
1953 case lir_cas_obj: s = "cas_obj"; break;
1954 case lir_cas_int: s = "cas_int"; break;
1955 // LIR_OpProfileCall
1956 case lir_profile_call: s = "profile_call"; break;
1957 // LIR_OpProfileType
1958 case lir_profile_type: s = "profile_type"; break;
1959 // LIR_OpProfileInlineType
1960 case lir_profile_inline_type: s = "profile_inline_type"; break;
1961 // LIR_OpAssert
1962 #ifdef ASSERT
1963 case lir_assert: s = "assert"; break;
1964 #endif
1965 case lir_none: ShouldNotReachHere();break;
1966 default: s = "illegal_op"; break;
1967 }
1968 return s;
1969 }
1970
1971 // LIR_OpJavaCall
1972 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1973 out->print("call: ");
1974 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1975 if (receiver()->is_valid()) {
1976 out->print(" [recv: "); receiver()->print(out); out->print("]");
1977 }
1978 if (result_opr()->is_valid()) {
1979 out->print(" [result: "); result_opr()->print(out); out->print("]");
1980 }
2172 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2173 }
2174
2175
2176 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2177 object()->print(out); out->print(" ");
2178 if (code() == lir_store_check) {
2179 array()->print(out); out->print(" ");
2180 }
2181 if (code() != lir_store_check) {
2182 klass()->print_name_on(out); out->print(" ");
2183 if (fast_check()) out->print("fast_check ");
2184 }
2185 tmp1()->print(out); out->print(" ");
2186 tmp2()->print(out); out->print(" ");
2187 tmp3()->print(out); out->print(" ");
2188 result_opr()->print(out); out->print(" ");
2189 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2190 }
2191
2192 void LIR_OpFlattenedArrayCheck::print_instr(outputStream* out) const {
2193 array()->print(out); out->print(" ");
2194 value()->print(out); out->print(" ");
2195 tmp()->print(out); out->print(" ");
2196 if (stub() != NULL) {
2197 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2198 }
2199 }
2200
2201 void LIR_OpNullFreeArrayCheck::print_instr(outputStream* out) const {
2202 array()->print(out); out->print(" ");
2203 tmp()->print(out); out->print(" ");
2204 }
2205
2206 void LIR_OpSubstitutabilityCheck::print_instr(outputStream* out) const {
2207 result_opr()->print(out); out->print(" ");
2208 left()->print(out); out->print(" ");
2209 right()->print(out); out->print(" ");
2210 equal_result()->print(out); out->print(" ");
2211 not_equal_result()->print(out); out->print(" ");
2212 tmp1()->print(out); out->print(" ");
2213 tmp2()->print(out); out->print(" ");
2214 if (left_klass() == NULL) {
2215 out->print("unknown ");
2216 } else {
2217 left_klass()->print(out); out->print(" ");
2218 }
2219 if (right_klass() == NULL) {
2220 out->print("unknown ");
2221 } else {
2222 right_klass()->print(out); out->print(" ");
2223 }
2224 left_klass_op()->print(out); out->print(" ");
2225 right_klass_op()->print(out); out->print(" ");
2226 if (stub() != NULL) {
2227 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2228 }
2229 }
2230
2231 // LIR_Op3
2232 void LIR_Op3::print_instr(outputStream* out) const {
2233 in_opr1()->print(out); out->print(" ");
2234 in_opr2()->print(out); out->print(" ");
2235 in_opr3()->print(out); out->print(" ");
2236 result_opr()->print(out);
2237 }
2238
2239 // LIR_Op4
2240 void LIR_Op4::print_instr(outputStream* out) const {
2241 print_condition(out, condition()); out->print(" ");
2242 in_opr1()->print(out); out->print(" ");
2243 in_opr2()->print(out); out->print(" ");
2244 in_opr3()->print(out); out->print(" ");
2245 in_opr4()->print(out); out->print(" ");
2246 result_opr()->print(out);
2247 }
2248
2249 void LIR_OpLock::print_instr(outputStream* out) const {
2285 mdo()->print(out); out->print(" ");
2286 recv()->print(out); out->print(" ");
2287 tmp1()->print(out); out->print(" ");
2288 }
2289
2290 // LIR_OpProfileType
2291 void LIR_OpProfileType::print_instr(outputStream* out) const {
2292 out->print("exact = ");
2293 if (exact_klass() == NULL) {
2294 out->print("unknown");
2295 } else {
2296 exact_klass()->print_name_on(out);
2297 }
2298 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2299 out->print(" ");
2300 mdp()->print(out); out->print(" ");
2301 obj()->print(out); out->print(" ");
2302 tmp()->print(out); out->print(" ");
2303 }
2304
2305 // LIR_OpProfileInlineType
2306 void LIR_OpProfileInlineType::print_instr(outputStream* out) const {
2307 out->print(" flag = %x ", flag());
2308 mdp()->print(out); out->print(" ");
2309 obj()->print(out); out->print(" ");
2310 tmp()->print(out); out->print(" ");
2311 }
2312
2313 #endif // PRODUCT
2314
2315 // Implementation of LIR_InsertionBuffer
2316
2317 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2318 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2319
2320 int i = number_of_insertion_points() - 1;
2321 if (i < 0 || index_at(i) < index) {
2322 append_new(index, 1);
2323 } else {
2324 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2325 assert(count_at(i) > 0, "check");
2326 set_count_at(i, count_at(i) + 1);
2327 }
2328 _ops.push(op);
2329
2330 DEBUG_ONLY(verify());
2331 }
2332
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