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 != nullptr, "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, nullptr)
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(nullptr)
306 , _profiled_bci(-1)
307 , _should_profile(false)
308 {
309 if (code == lir_checkcast) {
310 assert(info_for_exception != nullptr, "checkcast throws exceptions");
311 } else if (code == lir_instanceof) {
312 assert(info_for_exception == nullptr, "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, nullptr)
322 , _object(object)
323 , _array(array)
324 , _klass(nullptr)
325 , _tmp1(tmp1)
326 , _tmp2(tmp2)
327 , _tmp3(tmp3)
328 , _fast_check(false)
329 , _info_for_patch(nullptr)
330 , _info_for_exception(info_for_exception)
331 , _stub(nullptr)
332 , _profiled_method(nullptr)
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 != nullptr, "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, nullptr)
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() != nullptr, "must be");
413 assert(op->_info == nullptr, "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() != nullptr, "must be");
424 if (op->_info != nullptr) do_info(op->_info);
425 if (op->_result->is_valid()) do_output(op->_result);
426 break;
427 }
428
429
786
787
788 // LIR_OpLock
789 case lir_lock:
790 case lir_unlock: {
791 assert(op->as_OpLock() != nullptr, "must be");
792 LIR_OpLock* opLock = (LIR_OpLock*)op;
793
794 if (opLock->_info) do_info(opLock->_info);
795
796 // TODO: check if these operands really have to be temp
797 // (or if input is sufficient). This may have influence on the oop map!
798 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
799 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
800 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
801
802 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
803 assert(opLock->_result->is_illegal(), "unused");
804
805 do_stub(opLock->_stub);
806
807 break;
808 }
809
810
811 // LIR_OpDelay
812 case lir_delay_slot: {
813 assert(op->as_OpDelay() != nullptr, "must be");
814 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
815
816 visit(opDelay->delay_op());
817 break;
818 }
819
820 // LIR_OpTypeCheck
821 case lir_instanceof:
822 case lir_checkcast:
823 case lir_store_check: {
824 assert(op->as_OpTypeCheck() != nullptr, "must be");
825 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
826
827 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
828 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
829 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
830 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
831 do_temp(opTypeCheck->_object);
832 }
833 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
834 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
835 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
836 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
837 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
838 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
839 break;
840 }
841
842 // LIR_OpCompareAndSwap
843 case lir_cas_long:
844 case lir_cas_obj:
845 case lir_cas_int: {
846 assert(op->as_OpCompareAndSwap() != nullptr, "must be");
847 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
848
849 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
850 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
851 do_temp(opCmpAndSwap->_addr);
852 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
853 do_temp(opCmpAndSwap->_cmp_value);
854 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
855 do_temp(opCmpAndSwap->_new_value);
856 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
857 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
858 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
859
860 break;
861 }
899 case lir_profile_call: {
900 assert(op->as_OpProfileCall() != nullptr, "must be");
901 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
902
903 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
904 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
905 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
906 break;
907 }
908
909 // LIR_OpProfileType:
910 case lir_profile_type: {
911 assert(op->as_OpProfileType() != nullptr, "must be");
912 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
913
914 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
915 do_input(opProfileType->_obj);
916 do_temp(opProfileType->_tmp);
917 break;
918 }
919 default:
920 op->visit(this);
921 }
922 }
923
924 void LIR_Op::visit(LIR_OpVisitState* state) {
925 ShouldNotReachHere();
926 }
927
928 void LIR_OpVisitState::do_stub(CodeStub* stub) {
929 if (stub != nullptr) {
930 stub->visit(this);
931 }
932 }
933
934 XHandlers* LIR_OpVisitState::all_xhandler() {
935 XHandlers* result = nullptr;
936
937 int i;
938 for (i = 0; i < info_count(); i++) {
939 if (info_at(i)->exception_handlers() != nullptr) {
972 !has_slow_case();
973 }
974 #endif
975
976 // LIR_OpReturn
977 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
978 LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */),
979 _stub(nullptr) {
980 if (VM_Version::supports_stack_watermark_barrier()) {
981 _stub = new C1SafepointPollStub();
982 }
983 }
984
985 //---------------------------------------------------
986
987
988 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
989 masm->emit_call(this);
990 }
991
992 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
993 masm->emit_rtcall(this);
994 }
995
996 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
997 masm->emit_opLabel(this);
998 }
999
1000 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1001 masm->emit_arraycopy(this);
1002 masm->append_code_stub(stub());
1003 }
1004
1005 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1006 masm->emit_updatecrc32(this);
1007 }
1008
1009 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1010 masm->emit_op0(this);
1011 }
1032 masm->append_code_stub(stub());
1033 }
1034 }
1035
1036 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1037 masm->emit_op2(this);
1038 }
1039
1040 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1041 masm->emit_alloc_array(this);
1042 masm->append_code_stub(stub());
1043 }
1044
1045 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1046 masm->emit_opTypeCheck(this);
1047 if (stub()) {
1048 masm->append_code_stub(stub());
1049 }
1050 }
1051
1052 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1053 masm->emit_compare_and_swap(this);
1054 }
1055
1056 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1057 masm->emit_op3(this);
1058 }
1059
1060 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1061 masm->emit_op4(this);
1062 }
1063
1064 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1065 masm->emit_lock(this);
1066 if (stub()) {
1067 masm->append_code_stub(stub());
1068 }
1069 }
1070
1071 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1072 masm->emit_load_klass(this);
1073 }
1074
1075 #ifdef ASSERT
1076 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1077 masm->emit_assert(this);
1078 }
1079 #endif
1080
1081 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1082 masm->emit_delay(this);
1083 }
1084
1085 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1086 masm->emit_profile_call(this);
1087 }
1088
1089 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1090 masm->emit_profile_type(this);
1091 }
1092
1093 // LIR_List
1094 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1095 : _operations(8)
1096 , _compilation(compilation)
1097 #ifndef PRODUCT
1098 , _block(block)
1099 #endif
1100 #ifdef ASSERT
1101 , _file(nullptr)
1102 , _line(0)
1103 #endif
1104 #ifdef RISCV
1105 , _cmp_opr1(LIR_OprFact::illegalOpr)
1106 , _cmp_opr2(LIR_OprFact::illegalOpr)
1107 #endif
1108 { }
1109
1110
1111 #ifdef ASSERT
1112 void LIR_List::set_file_and_line(const char * file, int line) {
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 nullptr));
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_Opr) == 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 != nullptr) {
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, nullptr, info_for_patch, nullptr);
1462 if (profiled_method != nullptr) {
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 != nullptr) {
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 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1483 if (deoptimize_on_null) {
1484 // Emit an explicit null check and deoptimize if opr is null
1485 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1486 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr));
1487 branch(lir_cond_equal, deopt);
1488 } else {
1489 // Emit an implicit null check
1490 append(new LIR_Op1(lir_null_check, opr, info));
1491 }
1492 }
1493
1494 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1495 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1496 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1497 }
1498
1499 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1500 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1501 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1502 }
1503
1504 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1505 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1506 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1507 }
1508
1509
1510 #ifdef PRODUCT
1511
1512 void print_LIR(BlockList* blocks) {
1513 }
1690
1691 const char * LIR_Op::name() const {
1692 const char* s = nullptr;
1693 switch(code()) {
1694 // LIR_Op0
1695 case lir_membar: s = "membar"; break;
1696 case lir_membar_acquire: s = "membar_acquire"; break;
1697 case lir_membar_release: s = "membar_release"; break;
1698 case lir_membar_loadload: s = "membar_loadload"; break;
1699 case lir_membar_storestore: s = "membar_storestore"; break;
1700 case lir_membar_loadstore: s = "membar_loadstore"; break;
1701 case lir_membar_storeload: s = "membar_storeload"; break;
1702 case lir_label: s = "label"; break;
1703 case lir_nop: s = "nop"; break;
1704 case lir_on_spin_wait: s = "on_spin_wait"; break;
1705 case lir_std_entry: s = "std_entry"; break;
1706 case lir_osr_entry: s = "osr_entry"; break;
1707 case lir_fpop_raw: s = "fpop_raw"; break;
1708 case lir_breakpoint: s = "breakpoint"; break;
1709 case lir_get_thread: s = "get_thread"; break;
1710 // LIR_Op1
1711 case lir_fxch: s = "fxch"; break;
1712 case lir_fld: s = "fld"; break;
1713 case lir_push: s = "push"; break;
1714 case lir_pop: s = "pop"; break;
1715 case lir_null_check: s = "null_check"; break;
1716 case lir_return: s = "return"; break;
1717 case lir_safepoint: s = "safepoint"; break;
1718 case lir_leal: s = "leal"; break;
1719 case lir_branch: s = "branch"; break;
1720 case lir_cond_float_branch: s = "flt_cond_br"; break;
1721 case lir_move: s = "move"; break;
1722 case lir_roundfp: s = "roundfp"; break;
1723 case lir_rtcall: s = "rtcall"; break;
1724 case lir_throw: s = "throw"; break;
1725 case lir_unwind: s = "unwind"; break;
1726 case lir_convert: s = "convert"; break;
1727 case lir_alloc_object: s = "alloc_obj"; break;
1728 case lir_monaddr: s = "mon_addr"; break;
1729 // LIR_Op2
1758 // LIR_Op4
1759 case lir_cmove: s = "cmove"; break;
1760 // LIR_OpJavaCall
1761 case lir_static_call: s = "static"; break;
1762 case lir_optvirtual_call: s = "optvirtual"; break;
1763 case lir_icvirtual_call: s = "icvirtual"; break;
1764 case lir_dynamic_call: s = "dynamic"; break;
1765 // LIR_OpArrayCopy
1766 case lir_arraycopy: s = "arraycopy"; break;
1767 // LIR_OpUpdateCRC32
1768 case lir_updatecrc32: s = "updatecrc32"; break;
1769 // LIR_OpLock
1770 case lir_lock: s = "lock"; break;
1771 case lir_unlock: s = "unlock"; break;
1772 // LIR_OpDelay
1773 case lir_delay_slot: s = "delay"; break;
1774 // LIR_OpTypeCheck
1775 case lir_instanceof: s = "instanceof"; break;
1776 case lir_checkcast: s = "checkcast"; break;
1777 case lir_store_check: s = "store_check"; break;
1778 // LIR_OpCompareAndSwap
1779 case lir_cas_long: s = "cas_long"; break;
1780 case lir_cas_obj: s = "cas_obj"; break;
1781 case lir_cas_int: s = "cas_int"; break;
1782 // LIR_OpProfileCall
1783 case lir_profile_call: s = "profile_call"; break;
1784 // LIR_OpProfileType
1785 case lir_profile_type: s = "profile_type"; break;
1786 // LIR_OpAssert
1787 #ifdef ASSERT
1788 case lir_assert: s = "assert"; break;
1789 #endif
1790 case lir_none: ShouldNotReachHere();break;
1791 default: s = "illegal_op"; break;
1792 }
1793 return s;
1794 }
1795
1796 // LIR_OpJavaCall
1797 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1798 out->print("call: ");
1799 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1800 if (receiver()->is_valid()) {
1801 out->print(" [recv: "); receiver()->print(out); out->print("]");
1802 }
1803 if (result_opr()->is_valid()) {
1804 out->print(" [result: "); result_opr()->print(out); out->print("]");
1805 }
1997 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1998 }
1999
2000
2001 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2002 object()->print(out); out->print(" ");
2003 if (code() == lir_store_check) {
2004 array()->print(out); out->print(" ");
2005 }
2006 if (code() != lir_store_check) {
2007 klass()->print_name_on(out); out->print(" ");
2008 if (fast_check()) out->print("fast_check ");
2009 }
2010 tmp1()->print(out); out->print(" ");
2011 tmp2()->print(out); out->print(" ");
2012 tmp3()->print(out); out->print(" ");
2013 result_opr()->print(out); out->print(" ");
2014 if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2015 }
2016
2017
2018 // LIR_Op3
2019 void LIR_Op3::print_instr(outputStream* out) const {
2020 in_opr1()->print(out); out->print(" ");
2021 in_opr2()->print(out); out->print(" ");
2022 in_opr3()->print(out); out->print(" ");
2023 result_opr()->print(out);
2024 }
2025
2026 // LIR_Op4
2027 void LIR_Op4::print_instr(outputStream* out) const {
2028 print_condition(out, condition()); out->print(" ");
2029 in_opr1()->print(out); out->print(" ");
2030 in_opr2()->print(out); out->print(" ");
2031 in_opr3()->print(out); out->print(" ");
2032 in_opr4()->print(out); out->print(" ");
2033 result_opr()->print(out);
2034 }
2035
2036 void LIR_OpLock::print_instr(outputStream* out) const {
2072 mdo()->print(out); out->print(" ");
2073 recv()->print(out); out->print(" ");
2074 tmp1()->print(out); out->print(" ");
2075 }
2076
2077 // LIR_OpProfileType
2078 void LIR_OpProfileType::print_instr(outputStream* out) const {
2079 out->print("exact = ");
2080 if (exact_klass() == nullptr) {
2081 out->print("unknown");
2082 } else {
2083 exact_klass()->print_name_on(out);
2084 }
2085 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2086 out->print(" ");
2087 mdp()->print(out); out->print(" ");
2088 obj()->print(out); out->print(" ");
2089 tmp()->print(out); out->print(" ");
2090 }
2091
2092 #endif // PRODUCT
2093
2094 // Implementation of LIR_InsertionBuffer
2095
2096 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2097 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2098
2099 int i = number_of_insertion_points() - 1;
2100 if (i < 0 || index_at(i) < index) {
2101 append_new(index, 1);
2102 } else {
2103 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2104 assert(count_at(i) > 0, "check");
2105 set_count_at(i, count_at(i) + 1);
2106 }
2107 _ops.push(op);
2108
2109 DEBUG_ONLY(verify());
2110 }
2111
|
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 != nullptr, "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, nullptr)
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(nullptr)
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 != nullptr, "checkcast throws exceptions");
315 } else if (code == lir_instanceof) {
316 assert(info_for_exception == nullptr, "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, nullptr)
326 , _object(object)
327 , _array(array)
328 , _klass(nullptr)
329 , _tmp1(tmp1)
330 , _tmp2(tmp2)
331 , _tmp3(tmp3)
332 , _fast_check(false)
333 , _info_for_patch(nullptr)
334 , _info_for_exception(info_for_exception)
335 , _stub(nullptr)
336 , _profiled_method(nullptr)
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 != nullptr, "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_flat_array_check, LIR_OprFact::illegalOpr, nullptr)
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, nullptr)
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, nullptr)
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() != nullptr, "must be");
450 assert(op->_info == nullptr, "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() != nullptr, "must be");
461 if (op->_info != nullptr) do_info(op->_info);
462 if (op->_result->is_valid()) do_output(op->_result);
463 break;
464 }
465
466
823
824
825 // LIR_OpLock
826 case lir_lock:
827 case lir_unlock: {
828 assert(op->as_OpLock() != nullptr, "must be");
829 LIR_OpLock* opLock = (LIR_OpLock*)op;
830
831 if (opLock->_info) do_info(opLock->_info);
832
833 // TODO: check if these operands really have to be temp
834 // (or if input is sufficient). This may have influence on the oop map!
835 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
836 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
837 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
838
839 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
840 assert(opLock->_result->is_illegal(), "unused");
841
842 do_stub(opLock->_stub);
843 do_stub(opLock->_throw_imse_stub);
844
845 break;
846 }
847
848
849 // LIR_OpDelay
850 case lir_delay_slot: {
851 assert(op->as_OpDelay() != nullptr, "must be");
852 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
853
854 visit(opDelay->delay_op());
855 break;
856 }
857
858 // LIR_OpTypeCheck
859 case lir_instanceof:
860 case lir_checkcast:
861 case lir_store_check: {
862 assert(op->as_OpTypeCheck() != nullptr, "must be");
863 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
864
865 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
866 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
867 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
868 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
869 do_temp(opTypeCheck->_object);
870 }
871 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
872 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
873 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
874 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
875 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
876 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
877 break;
878 }
879
880 // LIR_OpFlattenedArrayCheck
881 case lir_flat_array_check: {
882 assert(op->as_OpFlattenedArrayCheck() != nullptr, "must be");
883 LIR_OpFlattenedArrayCheck* opFlattenedArrayCheck = (LIR_OpFlattenedArrayCheck*)op;
884
885 if (opFlattenedArrayCheck->_array->is_valid()) do_input(opFlattenedArrayCheck->_array);
886 if (opFlattenedArrayCheck->_value->is_valid()) do_input(opFlattenedArrayCheck->_value);
887 if (opFlattenedArrayCheck->_tmp->is_valid()) do_temp(opFlattenedArrayCheck->_tmp);
888
889 do_stub(opFlattenedArrayCheck->_stub);
890
891 break;
892 }
893
894 // LIR_OpNullFreeArrayCheck
895 case lir_null_free_array_check: {
896 assert(op->as_OpNullFreeArrayCheck() != nullptr, "must be");
897 LIR_OpNullFreeArrayCheck* opNullFreeArrayCheck = (LIR_OpNullFreeArrayCheck*)op;
898
899 if (opNullFreeArrayCheck->_array->is_valid()) do_input(opNullFreeArrayCheck->_array);
900 if (opNullFreeArrayCheck->_tmp->is_valid()) do_temp(opNullFreeArrayCheck->_tmp);
901 break;
902 }
903
904 // LIR_OpSubstitutabilityCheck
905 case lir_substitutability_check: {
906 assert(op->as_OpSubstitutabilityCheck() != nullptr, "must be");
907 LIR_OpSubstitutabilityCheck* opSubstitutabilityCheck = (LIR_OpSubstitutabilityCheck*)op;
908 do_input(opSubstitutabilityCheck->_left);
909 do_temp (opSubstitutabilityCheck->_left);
910 do_input(opSubstitutabilityCheck->_right);
911 do_temp (opSubstitutabilityCheck->_right);
912 do_input(opSubstitutabilityCheck->_equal_result);
913 do_temp (opSubstitutabilityCheck->_equal_result);
914 do_input(opSubstitutabilityCheck->_not_equal_result);
915 do_temp (opSubstitutabilityCheck->_not_equal_result);
916 if (opSubstitutabilityCheck->_tmp1->is_valid()) do_temp(opSubstitutabilityCheck->_tmp1);
917 if (opSubstitutabilityCheck->_tmp2->is_valid()) do_temp(opSubstitutabilityCheck->_tmp2);
918 if (opSubstitutabilityCheck->_left_klass_op->is_valid()) do_temp(opSubstitutabilityCheck->_left_klass_op);
919 if (opSubstitutabilityCheck->_right_klass_op->is_valid()) do_temp(opSubstitutabilityCheck->_right_klass_op);
920 if (opSubstitutabilityCheck->_result->is_valid()) do_output(opSubstitutabilityCheck->_result);
921
922 do_info(opSubstitutabilityCheck->_info);
923 do_stub(opSubstitutabilityCheck->_stub);
924 break;
925 }
926
927 // LIR_OpCompareAndSwap
928 case lir_cas_long:
929 case lir_cas_obj:
930 case lir_cas_int: {
931 assert(op->as_OpCompareAndSwap() != nullptr, "must be");
932 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
933
934 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
935 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
936 do_temp(opCmpAndSwap->_addr);
937 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
938 do_temp(opCmpAndSwap->_cmp_value);
939 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
940 do_temp(opCmpAndSwap->_new_value);
941 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
942 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
943 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
944
945 break;
946 }
984 case lir_profile_call: {
985 assert(op->as_OpProfileCall() != nullptr, "must be");
986 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
987
988 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
989 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
990 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
991 break;
992 }
993
994 // LIR_OpProfileType:
995 case lir_profile_type: {
996 assert(op->as_OpProfileType() != nullptr, "must be");
997 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
998
999 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
1000 do_input(opProfileType->_obj);
1001 do_temp(opProfileType->_tmp);
1002 break;
1003 }
1004
1005 // LIR_OpProfileInlineType:
1006 case lir_profile_inline_type: {
1007 assert(op->as_OpProfileInlineType() != nullptr, "must be");
1008 LIR_OpProfileInlineType* opProfileInlineType = (LIR_OpProfileInlineType*)op;
1009
1010 do_input(opProfileInlineType->_mdp); do_temp(opProfileInlineType->_mdp);
1011 do_input(opProfileInlineType->_obj);
1012 do_temp(opProfileInlineType->_tmp);
1013 break;
1014 }
1015 default:
1016 op->visit(this);
1017 }
1018 }
1019
1020 void LIR_Op::visit(LIR_OpVisitState* state) {
1021 ShouldNotReachHere();
1022 }
1023
1024 void LIR_OpVisitState::do_stub(CodeStub* stub) {
1025 if (stub != nullptr) {
1026 stub->visit(this);
1027 }
1028 }
1029
1030 XHandlers* LIR_OpVisitState::all_xhandler() {
1031 XHandlers* result = nullptr;
1032
1033 int i;
1034 for (i = 0; i < info_count(); i++) {
1035 if (info_at(i)->exception_handlers() != nullptr) {
1068 !has_slow_case();
1069 }
1070 #endif
1071
1072 // LIR_OpReturn
1073 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
1074 LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */),
1075 _stub(nullptr) {
1076 if (VM_Version::supports_stack_watermark_barrier()) {
1077 _stub = new C1SafepointPollStub();
1078 }
1079 }
1080
1081 //---------------------------------------------------
1082
1083
1084 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
1085 masm->emit_call(this);
1086 }
1087
1088 bool LIR_OpJavaCall::maybe_return_as_fields(ciInlineKlass** vk_ret) const {
1089 ciType* return_type = method()->return_type();
1090 if (InlineTypeReturnedAsFields) {
1091 if (return_type->is_inlinetype()) {
1092 ciInlineKlass* vk = return_type->as_inline_klass();
1093 if (vk->can_be_returned_as_fields()) {
1094 if (vk_ret != nullptr) {
1095 *vk_ret = vk;
1096 }
1097 return true;
1098 }
1099 } else if (return_type->is_instance_klass() &&
1100 (method()->is_method_handle_intrinsic() || !return_type->is_loaded() ||
1101 StressCallingConvention)) {
1102 // An inline type might be returned from the call but we don't know its type.
1103 // This can happen with method handle intrinsics or when the return type is
1104 // not loaded (method holder is not loaded or preload attribute is missing).
1105 // If an inline type is returned, we either get an oop to a buffer and nothing
1106 // needs to be done or one of the values being returned is the klass of the
1107 // inline type (RAX on x64, with LSB set to 1) and we need to allocate an inline
1108 // type instance of that type and initialize it with the fields values being
1109 // returned in other registers.
1110 return true;
1111 }
1112 }
1113 return false;
1114 }
1115
1116 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
1117 masm->emit_rtcall(this);
1118 }
1119
1120 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1121 masm->emit_opLabel(this);
1122 }
1123
1124 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1125 masm->emit_arraycopy(this);
1126 masm->append_code_stub(stub());
1127 }
1128
1129 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1130 masm->emit_updatecrc32(this);
1131 }
1132
1133 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1134 masm->emit_op0(this);
1135 }
1156 masm->append_code_stub(stub());
1157 }
1158 }
1159
1160 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1161 masm->emit_op2(this);
1162 }
1163
1164 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1165 masm->emit_alloc_array(this);
1166 masm->append_code_stub(stub());
1167 }
1168
1169 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1170 masm->emit_opTypeCheck(this);
1171 if (stub()) {
1172 masm->append_code_stub(stub());
1173 }
1174 }
1175
1176 void LIR_OpFlattenedArrayCheck::emit_code(LIR_Assembler* masm) {
1177 masm->emit_opFlattenedArrayCheck(this);
1178 if (stub() != nullptr) {
1179 masm->append_code_stub(stub());
1180 }
1181 }
1182
1183 void LIR_OpNullFreeArrayCheck::emit_code(LIR_Assembler* masm) {
1184 masm->emit_opNullFreeArrayCheck(this);
1185 }
1186
1187 void LIR_OpSubstitutabilityCheck::emit_code(LIR_Assembler* masm) {
1188 masm->emit_opSubstitutabilityCheck(this);
1189 if (stub() != nullptr) {
1190 masm->append_code_stub(stub());
1191 }
1192 }
1193
1194 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1195 masm->emit_compare_and_swap(this);
1196 }
1197
1198 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1199 masm->emit_op3(this);
1200 }
1201
1202 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1203 masm->emit_op4(this);
1204 }
1205
1206 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1207 masm->emit_lock(this);
1208 if (stub()) {
1209 masm->append_code_stub(stub());
1210 }
1211 if (throw_imse_stub()) {
1212 masm->append_code_stub(throw_imse_stub());
1213 }
1214 }
1215
1216 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1217 masm->emit_load_klass(this);
1218 }
1219
1220 #ifdef ASSERT
1221 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1222 masm->emit_assert(this);
1223 }
1224 #endif
1225
1226 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1227 masm->emit_delay(this);
1228 }
1229
1230 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1231 masm->emit_profile_call(this);
1232 }
1233
1234 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1235 masm->emit_profile_type(this);
1236 }
1237
1238 void LIR_OpProfileInlineType::emit_code(LIR_Assembler* masm) {
1239 masm->emit_profile_inline_type(this);
1240 }
1241
1242 // LIR_List
1243 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1244 : _operations(8)
1245 , _compilation(compilation)
1246 #ifndef PRODUCT
1247 , _block(block)
1248 #endif
1249 #ifdef ASSERT
1250 , _file(nullptr)
1251 , _line(0)
1252 #endif
1253 #ifdef RISCV
1254 , _cmp_opr1(LIR_OprFact::illegalOpr)
1255 , _cmp_opr2(LIR_OprFact::illegalOpr)
1256 #endif
1257 { }
1258
1259
1260 #ifdef ASSERT
1261 void LIR_List::set_file_and_line(const char * file, int line) {
1545 tmp));
1546 }
1547
1548
1549 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1550 append(new LIR_Op2(
1551 lir_ushr,
1552 value,
1553 count,
1554 dst,
1555 tmp));
1556 }
1557
1558 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1559 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1560 left,
1561 right,
1562 dst));
1563 }
1564
1565 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) {
1566 append(new LIR_OpLock(
1567 lir_lock,
1568 hdr,
1569 obj,
1570 lock,
1571 scratch,
1572 stub,
1573 info,
1574 throw_imse_stub));
1575 }
1576
1577 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1578 append(new LIR_OpLock(
1579 lir_unlock,
1580 hdr,
1581 obj,
1582 lock,
1583 scratch,
1584 stub,
1585 nullptr));
1586 }
1587
1588
1589 void check_LIR() {
1590 // cannot do the proper checking as PRODUCT and other modes return different results
1591 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1592 }
1593
1594
1595
1596 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1597 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1598 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1599 ciMethod* profiled_method, int profiled_bci, bool is_null_free) {
1600 // If klass is non-nullable, LIRGenerator::do_CheckCast has already performed null-check
1601 // on the object.
1602 bool need_null_check = !is_null_free;
1603 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1604 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub,
1605 need_null_check);
1606 if (profiled_method != nullptr) {
1607 c->set_profiled_method(profiled_method);
1608 c->set_profiled_bci(profiled_bci);
1609 c->set_should_profile(true);
1610 }
1611 append(c);
1612 }
1613
1614 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) {
1615 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, nullptr, info_for_patch, nullptr);
1616 if (profiled_method != nullptr) {
1617 c->set_profiled_method(profiled_method);
1618 c->set_profiled_bci(profiled_bci);
1619 c->set_should_profile(true);
1620 }
1621 append(c);
1622 }
1623
1624
1625 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1626 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1627 // FIXME -- if the types of the array and/or the object are known statically, we can avoid loading the klass
1628 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1629 if (profiled_method != nullptr) {
1630 c->set_profiled_method(profiled_method);
1631 c->set_profiled_bci(profiled_bci);
1632 c->set_should_profile(true);
1633 }
1634 append(c);
1635 }
1636
1637 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1638 if (deoptimize_on_null) {
1639 // Emit an explicit null check and deoptimize if opr is null
1640 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1641 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr));
1642 branch(lir_cond_equal, deopt);
1643 } else {
1644 // Emit an implicit null check
1645 append(new LIR_Op1(lir_null_check, opr, info));
1646 }
1647 }
1648
1649 void LIR_List::check_flat_array(LIR_Opr array, LIR_Opr value, LIR_Opr tmp, CodeStub* stub) {
1650 LIR_OpFlattenedArrayCheck* c = new LIR_OpFlattenedArrayCheck(array, value, tmp, stub);
1651 append(c);
1652 }
1653
1654 void LIR_List::check_null_free_array(LIR_Opr array, LIR_Opr tmp) {
1655 LIR_OpNullFreeArrayCheck* c = new LIR_OpNullFreeArrayCheck(array, tmp);
1656 append(c);
1657 }
1658
1659 void LIR_List::substitutability_check(LIR_Opr result, LIR_Opr left, LIR_Opr right, LIR_Opr equal_result, LIR_Opr not_equal_result,
1660 LIR_Opr tmp1, LIR_Opr tmp2,
1661 ciKlass* left_klass, ciKlass* right_klass, LIR_Opr left_klass_op, LIR_Opr right_klass_op,
1662 CodeEmitInfo* info, CodeStub* stub) {
1663 LIR_OpSubstitutabilityCheck* c = new LIR_OpSubstitutabilityCheck(result, left, right, equal_result, not_equal_result,
1664 tmp1, tmp2,
1665 left_klass, right_klass, left_klass_op, right_klass_op,
1666 info, stub);
1667 append(c);
1668 }
1669
1670 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1671 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1672 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1673 }
1674
1675 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1676 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1677 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1678 }
1679
1680 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1681 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1682 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1683 }
1684
1685
1686 #ifdef PRODUCT
1687
1688 void print_LIR(BlockList* blocks) {
1689 }
1866
1867 const char * LIR_Op::name() const {
1868 const char* s = nullptr;
1869 switch(code()) {
1870 // LIR_Op0
1871 case lir_membar: s = "membar"; break;
1872 case lir_membar_acquire: s = "membar_acquire"; break;
1873 case lir_membar_release: s = "membar_release"; break;
1874 case lir_membar_loadload: s = "membar_loadload"; break;
1875 case lir_membar_storestore: s = "membar_storestore"; break;
1876 case lir_membar_loadstore: s = "membar_loadstore"; break;
1877 case lir_membar_storeload: s = "membar_storeload"; break;
1878 case lir_label: s = "label"; break;
1879 case lir_nop: s = "nop"; break;
1880 case lir_on_spin_wait: s = "on_spin_wait"; break;
1881 case lir_std_entry: s = "std_entry"; break;
1882 case lir_osr_entry: s = "osr_entry"; break;
1883 case lir_fpop_raw: s = "fpop_raw"; break;
1884 case lir_breakpoint: s = "breakpoint"; break;
1885 case lir_get_thread: s = "get_thread"; break;
1886 case lir_check_orig_pc: s = "check_orig_pc"; break;
1887 // LIR_Op1
1888 case lir_fxch: s = "fxch"; break;
1889 case lir_fld: s = "fld"; break;
1890 case lir_push: s = "push"; break;
1891 case lir_pop: s = "pop"; break;
1892 case lir_null_check: s = "null_check"; break;
1893 case lir_return: s = "return"; break;
1894 case lir_safepoint: s = "safepoint"; break;
1895 case lir_leal: s = "leal"; break;
1896 case lir_branch: s = "branch"; break;
1897 case lir_cond_float_branch: s = "flt_cond_br"; break;
1898 case lir_move: s = "move"; break;
1899 case lir_roundfp: s = "roundfp"; break;
1900 case lir_rtcall: s = "rtcall"; break;
1901 case lir_throw: s = "throw"; break;
1902 case lir_unwind: s = "unwind"; break;
1903 case lir_convert: s = "convert"; break;
1904 case lir_alloc_object: s = "alloc_obj"; break;
1905 case lir_monaddr: s = "mon_addr"; break;
1906 // LIR_Op2
1935 // LIR_Op4
1936 case lir_cmove: s = "cmove"; break;
1937 // LIR_OpJavaCall
1938 case lir_static_call: s = "static"; break;
1939 case lir_optvirtual_call: s = "optvirtual"; break;
1940 case lir_icvirtual_call: s = "icvirtual"; break;
1941 case lir_dynamic_call: s = "dynamic"; break;
1942 // LIR_OpArrayCopy
1943 case lir_arraycopy: s = "arraycopy"; break;
1944 // LIR_OpUpdateCRC32
1945 case lir_updatecrc32: s = "updatecrc32"; break;
1946 // LIR_OpLock
1947 case lir_lock: s = "lock"; break;
1948 case lir_unlock: s = "unlock"; break;
1949 // LIR_OpDelay
1950 case lir_delay_slot: s = "delay"; break;
1951 // LIR_OpTypeCheck
1952 case lir_instanceof: s = "instanceof"; break;
1953 case lir_checkcast: s = "checkcast"; break;
1954 case lir_store_check: s = "store_check"; break;
1955 // LIR_OpFlattenedArrayCheck
1956 case lir_flat_array_check: s = "flat_array_check"; break;
1957 // LIR_OpNullFreeArrayCheck
1958 case lir_null_free_array_check: s = "null_free_array_check"; break;
1959 // LIR_OpSubstitutabilityCheck
1960 case lir_substitutability_check: s = "substitutability_check"; break;
1961 // LIR_OpCompareAndSwap
1962 case lir_cas_long: s = "cas_long"; break;
1963 case lir_cas_obj: s = "cas_obj"; break;
1964 case lir_cas_int: s = "cas_int"; break;
1965 // LIR_OpProfileCall
1966 case lir_profile_call: s = "profile_call"; break;
1967 // LIR_OpProfileType
1968 case lir_profile_type: s = "profile_type"; break;
1969 // LIR_OpProfileInlineType
1970 case lir_profile_inline_type: s = "profile_inline_type"; break;
1971 // LIR_OpAssert
1972 #ifdef ASSERT
1973 case lir_assert: s = "assert"; break;
1974 #endif
1975 case lir_none: ShouldNotReachHere();break;
1976 default: s = "illegal_op"; break;
1977 }
1978 return s;
1979 }
1980
1981 // LIR_OpJavaCall
1982 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1983 out->print("call: ");
1984 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1985 if (receiver()->is_valid()) {
1986 out->print(" [recv: "); receiver()->print(out); out->print("]");
1987 }
1988 if (result_opr()->is_valid()) {
1989 out->print(" [result: "); result_opr()->print(out); out->print("]");
1990 }
2182 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2183 }
2184
2185
2186 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2187 object()->print(out); out->print(" ");
2188 if (code() == lir_store_check) {
2189 array()->print(out); out->print(" ");
2190 }
2191 if (code() != lir_store_check) {
2192 klass()->print_name_on(out); out->print(" ");
2193 if (fast_check()) out->print("fast_check ");
2194 }
2195 tmp1()->print(out); out->print(" ");
2196 tmp2()->print(out); out->print(" ");
2197 tmp3()->print(out); out->print(" ");
2198 result_opr()->print(out); out->print(" ");
2199 if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2200 }
2201
2202 void LIR_OpFlattenedArrayCheck::print_instr(outputStream* out) const {
2203 array()->print(out); out->print(" ");
2204 value()->print(out); out->print(" ");
2205 tmp()->print(out); out->print(" ");
2206 if (stub() != nullptr) {
2207 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2208 }
2209 }
2210
2211 void LIR_OpNullFreeArrayCheck::print_instr(outputStream* out) const {
2212 array()->print(out); out->print(" ");
2213 tmp()->print(out); out->print(" ");
2214 }
2215
2216 void LIR_OpSubstitutabilityCheck::print_instr(outputStream* out) const {
2217 result_opr()->print(out); out->print(" ");
2218 left()->print(out); out->print(" ");
2219 right()->print(out); out->print(" ");
2220 equal_result()->print(out); out->print(" ");
2221 not_equal_result()->print(out); out->print(" ");
2222 tmp1()->print(out); out->print(" ");
2223 tmp2()->print(out); out->print(" ");
2224 if (left_klass() == nullptr) {
2225 out->print("unknown ");
2226 } else {
2227 left_klass()->print(out); out->print(" ");
2228 }
2229 if (right_klass() == nullptr) {
2230 out->print("unknown ");
2231 } else {
2232 right_klass()->print(out); out->print(" ");
2233 }
2234 left_klass_op()->print(out); out->print(" ");
2235 right_klass_op()->print(out); out->print(" ");
2236 if (stub() != nullptr) {
2237 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2238 }
2239 }
2240
2241 // LIR_Op3
2242 void LIR_Op3::print_instr(outputStream* out) const {
2243 in_opr1()->print(out); out->print(" ");
2244 in_opr2()->print(out); out->print(" ");
2245 in_opr3()->print(out); out->print(" ");
2246 result_opr()->print(out);
2247 }
2248
2249 // LIR_Op4
2250 void LIR_Op4::print_instr(outputStream* out) const {
2251 print_condition(out, condition()); out->print(" ");
2252 in_opr1()->print(out); out->print(" ");
2253 in_opr2()->print(out); out->print(" ");
2254 in_opr3()->print(out); out->print(" ");
2255 in_opr4()->print(out); out->print(" ");
2256 result_opr()->print(out);
2257 }
2258
2259 void LIR_OpLock::print_instr(outputStream* out) const {
2295 mdo()->print(out); out->print(" ");
2296 recv()->print(out); out->print(" ");
2297 tmp1()->print(out); out->print(" ");
2298 }
2299
2300 // LIR_OpProfileType
2301 void LIR_OpProfileType::print_instr(outputStream* out) const {
2302 out->print("exact = ");
2303 if (exact_klass() == nullptr) {
2304 out->print("unknown");
2305 } else {
2306 exact_klass()->print_name_on(out);
2307 }
2308 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2309 out->print(" ");
2310 mdp()->print(out); out->print(" ");
2311 obj()->print(out); out->print(" ");
2312 tmp()->print(out); out->print(" ");
2313 }
2314
2315 // LIR_OpProfileInlineType
2316 void LIR_OpProfileInlineType::print_instr(outputStream* out) const {
2317 out->print(" flag = %x ", flag());
2318 mdp()->print(out); out->print(" ");
2319 obj()->print(out); out->print(" ");
2320 tmp()->print(out); out->print(" ");
2321 }
2322
2323 #endif // PRODUCT
2324
2325 // Implementation of LIR_InsertionBuffer
2326
2327 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2328 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2329
2330 int i = number_of_insertion_points() - 1;
2331 if (i < 0 || index_at(i) < index) {
2332 append_new(index, 1);
2333 } else {
2334 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2335 assert(count_at(i) > 0, "check");
2336 set_count_at(i, count_at(i) + 1);
2337 }
2338 _ops.push(op);
2339
2340 DEBUG_ONLY(verify());
2341 }
2342
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