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src/hotspot/share/opto/c2compiler.cpp

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106   // There is a race possible once at startup and then we're fine
107 
108   // Note that this is being called from a compiler thread not the
109   // main startup thread.
110   if (should_perform_init()) {
111     bool successful = C2Compiler::init_c2_runtime();
112     int new_state = (successful) ? initialized : failed;
113     set_state(new_state);
114   }
115 }
116 
117 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, bool install_code, DirectiveSet* directive) {
118   assert(is_initialized(), "Compiler thread must be initialized");
119 
120   CompilationMemoryStatisticMark cmsm(directive);
121 
122   bool subsume_loads = SubsumeLoads;
123   bool do_escape_analysis = DoEscapeAnalysis;
124   bool do_iterative_escape_analysis = DoEscapeAnalysis;
125   bool do_reduce_allocation_merges = ReduceAllocationMerges && EliminateAllocations;
126   bool eliminate_boxing = EliminateAutoBox;

127   bool do_locks_coarsening = EliminateLocks;
128   bool do_superword = UseSuperWord;
129 
130   while (!env->failing()) {
131     ResourceMark rm;
132     // Attempt to compile while subsuming loads into machine instructions.
133     Options options(subsume_loads,
134                     do_escape_analysis,
135                     do_iterative_escape_analysis,
136                     do_reduce_allocation_merges,
137                     eliminate_boxing,
138                     do_locks_coarsening,
139                     do_superword,
140                     install_code);
141     Compile C(env, target, entry_bci, options, directive);
142 
143     // Check result and retry if appropriate.
144     if (C.failure_reason() != nullptr) {
145       if (C.failure_reason_is(retry_no_subsuming_loads())) {
146         assert(subsume_loads, "must make progress");

633   case vmIntrinsics::_max:
634   case vmIntrinsics::_min_strict:
635   case vmIntrinsics::_max_strict:
636   case vmIntrinsics::_maxL:
637   case vmIntrinsics::_minL:
638   case vmIntrinsics::_arraycopy:
639   case vmIntrinsics::_arraySort:
640   case vmIntrinsics::_arrayPartition:
641   case vmIntrinsics::_indexOfL:
642   case vmIntrinsics::_indexOfU:
643   case vmIntrinsics::_indexOfUL:
644   case vmIntrinsics::_indexOfIL:
645   case vmIntrinsics::_indexOfIU:
646   case vmIntrinsics::_indexOfIUL:
647   case vmIntrinsics::_indexOfU_char:
648   case vmIntrinsics::_indexOfL_char:
649   case vmIntrinsics::_toBytesStringU:
650   case vmIntrinsics::_getCharsStringU:
651   case vmIntrinsics::_getCharStringU:
652   case vmIntrinsics::_putCharStringU:


653   case vmIntrinsics::_getReference:
654   case vmIntrinsics::_getBoolean:
655   case vmIntrinsics::_getByte:
656   case vmIntrinsics::_getShort:
657   case vmIntrinsics::_getChar:
658   case vmIntrinsics::_getInt:
659   case vmIntrinsics::_getLong:
660   case vmIntrinsics::_getFloat:
661   case vmIntrinsics::_getDouble:

662   case vmIntrinsics::_putReference:
663   case vmIntrinsics::_putBoolean:
664   case vmIntrinsics::_putByte:
665   case vmIntrinsics::_putShort:
666   case vmIntrinsics::_putChar:
667   case vmIntrinsics::_putInt:
668   case vmIntrinsics::_putLong:
669   case vmIntrinsics::_putFloat:
670   case vmIntrinsics::_putDouble:

671   case vmIntrinsics::_getReferenceVolatile:
672   case vmIntrinsics::_getBooleanVolatile:
673   case vmIntrinsics::_getByteVolatile:
674   case vmIntrinsics::_getShortVolatile:
675   case vmIntrinsics::_getCharVolatile:
676   case vmIntrinsics::_getIntVolatile:
677   case vmIntrinsics::_getLongVolatile:
678   case vmIntrinsics::_getFloatVolatile:
679   case vmIntrinsics::_getDoubleVolatile:
680   case vmIntrinsics::_putReferenceVolatile:
681   case vmIntrinsics::_putBooleanVolatile:
682   case vmIntrinsics::_putByteVolatile:
683   case vmIntrinsics::_putShortVolatile:
684   case vmIntrinsics::_putCharVolatile:
685   case vmIntrinsics::_putIntVolatile:
686   case vmIntrinsics::_putLongVolatile:
687   case vmIntrinsics::_putFloatVolatile:
688   case vmIntrinsics::_putDoubleVolatile:
689   case vmIntrinsics::_getReferenceAcquire:
690   case vmIntrinsics::_getBooleanAcquire:

733   case vmIntrinsics::_loadFence:
734   case vmIntrinsics::_storeFence:
735   case vmIntrinsics::_storeStoreFence:
736   case vmIntrinsics::_fullFence:
737   case vmIntrinsics::_currentCarrierThread:
738   case vmIntrinsics::_currentThread:
739   case vmIntrinsics::_setCurrentThread:
740   case vmIntrinsics::_scopedValueCache:
741   case vmIntrinsics::_setScopedValueCache:
742   case vmIntrinsics::_Continuation_pin:
743   case vmIntrinsics::_Continuation_unpin:
744 #ifdef JFR_HAVE_INTRINSICS
745   case vmIntrinsics::_counterTime:
746   case vmIntrinsics::_getEventWriter:
747   case vmIntrinsics::_jvm_commit:
748 #endif
749   case vmIntrinsics::_currentTimeMillis:
750   case vmIntrinsics::_nanoTime:
751   case vmIntrinsics::_allocateInstance:
752   case vmIntrinsics::_allocateUninitializedArray:

753   case vmIntrinsics::_newArray:



754   case vmIntrinsics::_getLength:
755   case vmIntrinsics::_copyOf:
756   case vmIntrinsics::_copyOfRange:
757   case vmIntrinsics::_clone:
758   case vmIntrinsics::_isAssignableFrom:
759   case vmIntrinsics::_isInstance:
760   case vmIntrinsics::_isHidden:
761   case vmIntrinsics::_getSuperclass:
762   case vmIntrinsics::_getClassAccessFlags:
763   case vmIntrinsics::_floatToRawIntBits:
764   case vmIntrinsics::_floatToIntBits:
765   case vmIntrinsics::_intBitsToFloat:
766   case vmIntrinsics::_doubleToRawLongBits:
767   case vmIntrinsics::_doubleToLongBits:
768   case vmIntrinsics::_longBitsToDouble:
769   case vmIntrinsics::_Reference_get:
770   case vmIntrinsics::_Reference_refersTo0:
771   case vmIntrinsics::_PhantomReference_refersTo0:
772   case vmIntrinsics::_Reference_clear0:
773   case vmIntrinsics::_PhantomReference_clear0:

106   // There is a race possible once at startup and then we're fine
107 
108   // Note that this is being called from a compiler thread not the
109   // main startup thread.
110   if (should_perform_init()) {
111     bool successful = C2Compiler::init_c2_runtime();
112     int new_state = (successful) ? initialized : failed;
113     set_state(new_state);
114   }
115 }
116 
117 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, bool install_code, DirectiveSet* directive) {
118   assert(is_initialized(), "Compiler thread must be initialized");
119 
120   CompilationMemoryStatisticMark cmsm(directive);
121 
122   bool subsume_loads = SubsumeLoads;
123   bool do_escape_analysis = DoEscapeAnalysis;
124   bool do_iterative_escape_analysis = DoEscapeAnalysis;
125   bool do_reduce_allocation_merges = ReduceAllocationMerges && EliminateAllocations;
126   // TODO 8328675 Re-enable
127   bool eliminate_boxing = false; // EliminateAutoBox;
128   bool do_locks_coarsening = EliminateLocks;
129   bool do_superword = UseSuperWord;
130 
131   while (!env->failing()) {
132     ResourceMark rm;
133     // Attempt to compile while subsuming loads into machine instructions.
134     Options options(subsume_loads,
135                     do_escape_analysis,
136                     do_iterative_escape_analysis,
137                     do_reduce_allocation_merges,
138                     eliminate_boxing,
139                     do_locks_coarsening,
140                     do_superword,
141                     install_code);
142     Compile C(env, target, entry_bci, options, directive);
143 
144     // Check result and retry if appropriate.
145     if (C.failure_reason() != nullptr) {
146       if (C.failure_reason_is(retry_no_subsuming_loads())) {
147         assert(subsume_loads, "must make progress");

634   case vmIntrinsics::_max:
635   case vmIntrinsics::_min_strict:
636   case vmIntrinsics::_max_strict:
637   case vmIntrinsics::_maxL:
638   case vmIntrinsics::_minL:
639   case vmIntrinsics::_arraycopy:
640   case vmIntrinsics::_arraySort:
641   case vmIntrinsics::_arrayPartition:
642   case vmIntrinsics::_indexOfL:
643   case vmIntrinsics::_indexOfU:
644   case vmIntrinsics::_indexOfUL:
645   case vmIntrinsics::_indexOfIL:
646   case vmIntrinsics::_indexOfIU:
647   case vmIntrinsics::_indexOfIUL:
648   case vmIntrinsics::_indexOfU_char:
649   case vmIntrinsics::_indexOfL_char:
650   case vmIntrinsics::_toBytesStringU:
651   case vmIntrinsics::_getCharsStringU:
652   case vmIntrinsics::_getCharStringU:
653   case vmIntrinsics::_putCharStringU:
654   case vmIntrinsics::_makePrivateBuffer:
655   case vmIntrinsics::_finishPrivateBuffer:
656   case vmIntrinsics::_getReference:
657   case vmIntrinsics::_getBoolean:
658   case vmIntrinsics::_getByte:
659   case vmIntrinsics::_getShort:
660   case vmIntrinsics::_getChar:
661   case vmIntrinsics::_getInt:
662   case vmIntrinsics::_getLong:
663   case vmIntrinsics::_getFloat:
664   case vmIntrinsics::_getDouble:
665   case vmIntrinsics::_getValue:
666   case vmIntrinsics::_putReference:
667   case vmIntrinsics::_putBoolean:
668   case vmIntrinsics::_putByte:
669   case vmIntrinsics::_putShort:
670   case vmIntrinsics::_putChar:
671   case vmIntrinsics::_putInt:
672   case vmIntrinsics::_putLong:
673   case vmIntrinsics::_putFloat:
674   case vmIntrinsics::_putDouble:
675   case vmIntrinsics::_putValue:
676   case vmIntrinsics::_getReferenceVolatile:
677   case vmIntrinsics::_getBooleanVolatile:
678   case vmIntrinsics::_getByteVolatile:
679   case vmIntrinsics::_getShortVolatile:
680   case vmIntrinsics::_getCharVolatile:
681   case vmIntrinsics::_getIntVolatile:
682   case vmIntrinsics::_getLongVolatile:
683   case vmIntrinsics::_getFloatVolatile:
684   case vmIntrinsics::_getDoubleVolatile:
685   case vmIntrinsics::_putReferenceVolatile:
686   case vmIntrinsics::_putBooleanVolatile:
687   case vmIntrinsics::_putByteVolatile:
688   case vmIntrinsics::_putShortVolatile:
689   case vmIntrinsics::_putCharVolatile:
690   case vmIntrinsics::_putIntVolatile:
691   case vmIntrinsics::_putLongVolatile:
692   case vmIntrinsics::_putFloatVolatile:
693   case vmIntrinsics::_putDoubleVolatile:
694   case vmIntrinsics::_getReferenceAcquire:
695   case vmIntrinsics::_getBooleanAcquire:

738   case vmIntrinsics::_loadFence:
739   case vmIntrinsics::_storeFence:
740   case vmIntrinsics::_storeStoreFence:
741   case vmIntrinsics::_fullFence:
742   case vmIntrinsics::_currentCarrierThread:
743   case vmIntrinsics::_currentThread:
744   case vmIntrinsics::_setCurrentThread:
745   case vmIntrinsics::_scopedValueCache:
746   case vmIntrinsics::_setScopedValueCache:
747   case vmIntrinsics::_Continuation_pin:
748   case vmIntrinsics::_Continuation_unpin:
749 #ifdef JFR_HAVE_INTRINSICS
750   case vmIntrinsics::_counterTime:
751   case vmIntrinsics::_getEventWriter:
752   case vmIntrinsics::_jvm_commit:
753 #endif
754   case vmIntrinsics::_currentTimeMillis:
755   case vmIntrinsics::_nanoTime:
756   case vmIntrinsics::_allocateInstance:
757   case vmIntrinsics::_allocateUninitializedArray:
758   case vmIntrinsics::_isFlatArray:
759   case vmIntrinsics::_newArray:
760   case vmIntrinsics::_newNullRestrictedNonAtomicArray:
761   case vmIntrinsics::_newNullRestrictedAtomicArray:
762   case vmIntrinsics::_newNullableAtomicArray:
763   case vmIntrinsics::_getLength:
764   case vmIntrinsics::_copyOf:
765   case vmIntrinsics::_copyOfRange:
766   case vmIntrinsics::_clone:
767   case vmIntrinsics::_isAssignableFrom:
768   case vmIntrinsics::_isInstance:
769   case vmIntrinsics::_isHidden:
770   case vmIntrinsics::_getSuperclass:
771   case vmIntrinsics::_getClassAccessFlags:
772   case vmIntrinsics::_floatToRawIntBits:
773   case vmIntrinsics::_floatToIntBits:
774   case vmIntrinsics::_intBitsToFloat:
775   case vmIntrinsics::_doubleToRawLongBits:
776   case vmIntrinsics::_doubleToLongBits:
777   case vmIntrinsics::_longBitsToDouble:
778   case vmIntrinsics::_Reference_get:
779   case vmIntrinsics::_Reference_refersTo0:
780   case vmIntrinsics::_PhantomReference_refersTo0:
781   case vmIntrinsics::_Reference_clear0:
782   case vmIntrinsics::_PhantomReference_clear0:
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