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src/hotspot/share/opto/c2compiler.cpp

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

626   case vmIntrinsics::_roundF:
627   case vmIntrinsics::_min:
628   case vmIntrinsics::_max:
629   case vmIntrinsics::_min_strict:
630   case vmIntrinsics::_max_strict:
631   case vmIntrinsics::_arraycopy:
632   case vmIntrinsics::_arraySort:
633   case vmIntrinsics::_arrayPartition:
634   case vmIntrinsics::_indexOfL:
635   case vmIntrinsics::_indexOfU:
636   case vmIntrinsics::_indexOfUL:
637   case vmIntrinsics::_indexOfIL:
638   case vmIntrinsics::_indexOfIU:
639   case vmIntrinsics::_indexOfIUL:
640   case vmIntrinsics::_indexOfU_char:
641   case vmIntrinsics::_indexOfL_char:
642   case vmIntrinsics::_toBytesStringU:
643   case vmIntrinsics::_getCharsStringU:
644   case vmIntrinsics::_getCharStringU:
645   case vmIntrinsics::_putCharStringU:


646   case vmIntrinsics::_getReference:
647   case vmIntrinsics::_getBoolean:
648   case vmIntrinsics::_getByte:
649   case vmIntrinsics::_getShort:
650   case vmIntrinsics::_getChar:
651   case vmIntrinsics::_getInt:
652   case vmIntrinsics::_getLong:
653   case vmIntrinsics::_getFloat:
654   case vmIntrinsics::_getDouble:

655   case vmIntrinsics::_putReference:
656   case vmIntrinsics::_putBoolean:
657   case vmIntrinsics::_putByte:
658   case vmIntrinsics::_putShort:
659   case vmIntrinsics::_putChar:
660   case vmIntrinsics::_putInt:
661   case vmIntrinsics::_putLong:
662   case vmIntrinsics::_putFloat:
663   case vmIntrinsics::_putDouble:

664   case vmIntrinsics::_getReferenceVolatile:
665   case vmIntrinsics::_getBooleanVolatile:
666   case vmIntrinsics::_getByteVolatile:
667   case vmIntrinsics::_getShortVolatile:
668   case vmIntrinsics::_getCharVolatile:
669   case vmIntrinsics::_getIntVolatile:
670   case vmIntrinsics::_getLongVolatile:
671   case vmIntrinsics::_getFloatVolatile:
672   case vmIntrinsics::_getDoubleVolatile:
673   case vmIntrinsics::_putReferenceVolatile:
674   case vmIntrinsics::_putBooleanVolatile:
675   case vmIntrinsics::_putByteVolatile:
676   case vmIntrinsics::_putShortVolatile:
677   case vmIntrinsics::_putCharVolatile:
678   case vmIntrinsics::_putIntVolatile:
679   case vmIntrinsics::_putLongVolatile:
680   case vmIntrinsics::_putFloatVolatile:
681   case vmIntrinsics::_putDoubleVolatile:
682   case vmIntrinsics::_getReferenceAcquire:
683   case vmIntrinsics::_getBooleanAcquire:

726   case vmIntrinsics::_loadFence:
727   case vmIntrinsics::_storeFence:
728   case vmIntrinsics::_storeStoreFence:
729   case vmIntrinsics::_fullFence:
730   case vmIntrinsics::_currentCarrierThread:
731   case vmIntrinsics::_currentThread:
732   case vmIntrinsics::_setCurrentThread:
733   case vmIntrinsics::_scopedValueCache:
734   case vmIntrinsics::_setScopedValueCache:
735   case vmIntrinsics::_Continuation_pin:
736   case vmIntrinsics::_Continuation_unpin:
737 #ifdef JFR_HAVE_INTRINSICS
738   case vmIntrinsics::_counterTime:
739   case vmIntrinsics::_getEventWriter:
740   case vmIntrinsics::_jvm_commit:
741 #endif
742   case vmIntrinsics::_currentTimeMillis:
743   case vmIntrinsics::_nanoTime:
744   case vmIntrinsics::_allocateInstance:
745   case vmIntrinsics::_allocateUninitializedArray:

746   case vmIntrinsics::_newArray:

747   case vmIntrinsics::_getLength:
748   case vmIntrinsics::_copyOf:
749   case vmIntrinsics::_copyOfRange:
750   case vmIntrinsics::_clone:
751   case vmIntrinsics::_isAssignableFrom:
752   case vmIntrinsics::_isInstance:
753   case vmIntrinsics::_getModifiers:
754   case vmIntrinsics::_isInterface:
755   case vmIntrinsics::_isArray:
756   case vmIntrinsics::_isPrimitive:
757   case vmIntrinsics::_isHidden:
758   case vmIntrinsics::_getSuperclass:
759   case vmIntrinsics::_getClassAccessFlags:
760   case vmIntrinsics::_floatToRawIntBits:
761   case vmIntrinsics::_floatToIntBits:
762   case vmIntrinsics::_intBitsToFloat:
763   case vmIntrinsics::_doubleToRawLongBits:
764   case vmIntrinsics::_doubleToLongBits:
765   case vmIntrinsics::_longBitsToDouble:
766   case vmIntrinsics::_Reference_get:

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

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

731   case vmIntrinsics::_loadFence:
732   case vmIntrinsics::_storeFence:
733   case vmIntrinsics::_storeStoreFence:
734   case vmIntrinsics::_fullFence:
735   case vmIntrinsics::_currentCarrierThread:
736   case vmIntrinsics::_currentThread:
737   case vmIntrinsics::_setCurrentThread:
738   case vmIntrinsics::_scopedValueCache:
739   case vmIntrinsics::_setScopedValueCache:
740   case vmIntrinsics::_Continuation_pin:
741   case vmIntrinsics::_Continuation_unpin:
742 #ifdef JFR_HAVE_INTRINSICS
743   case vmIntrinsics::_counterTime:
744   case vmIntrinsics::_getEventWriter:
745   case vmIntrinsics::_jvm_commit:
746 #endif
747   case vmIntrinsics::_currentTimeMillis:
748   case vmIntrinsics::_nanoTime:
749   case vmIntrinsics::_allocateInstance:
750   case vmIntrinsics::_allocateUninitializedArray:
751   case vmIntrinsics::_isFlatArray:
752   case vmIntrinsics::_newArray:
753   case vmIntrinsics::_newNullRestrictedArray:
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::_getModifiers:
761   case vmIntrinsics::_isInterface:
762   case vmIntrinsics::_isArray:
763   case vmIntrinsics::_isPrimitive:
764   case vmIntrinsics::_isHidden:
765   case vmIntrinsics::_getSuperclass:
766   case vmIntrinsics::_getClassAccessFlags:
767   case vmIntrinsics::_floatToRawIntBits:
768   case vmIntrinsics::_floatToIntBits:
769   case vmIntrinsics::_intBitsToFloat:
770   case vmIntrinsics::_doubleToRawLongBits:
771   case vmIntrinsics::_doubleToLongBits:
772   case vmIntrinsics::_longBitsToDouble:
773   case vmIntrinsics::_Reference_get:
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