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src/hotspot/share/opto/c2compiler.cpp

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  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "classfile/vmClasses.hpp"

 26 #include "compiler/compilationMemoryStatistic.hpp"
 27 #include "compiler/compilerDefinitions.inline.hpp"
 28 #include "jfr/support/jfrIntrinsics.hpp"
 29 #include "opto/c2compiler.hpp"
 30 #include "opto/compile.hpp"
 31 #include "opto/optoreg.hpp"
 32 #include "opto/output.hpp"
 33 #include "opto/runtime.hpp"
 34 #include "runtime/globals_extension.hpp"
 35 #include "runtime/handles.inline.hpp"
 36 #include "runtime/stubRoutines.hpp"
 37 #include "utilities/macros.hpp"
 38 
 39 
 40 // register information defined by ADLC
 41 extern const char register_save_policy[];
 42 extern const int  register_save_type[];
 43 
 44 const char* C2Compiler::retry_no_subsuming_loads() {
 45   return "retry without subsuming loads";

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

133   bool do_locks_coarsening = EliminateLocks;
134   bool do_superword = UseSuperWord;
135 
136   while (!env->failing()) {
137     ResourceMark rm;
138     // Attempt to compile while subsuming loads into machine instructions.
139     Options options(subsume_loads,
140                     do_escape_analysis,
141                     do_iterative_escape_analysis,
142                     do_reduce_allocation_merges,
143                     eliminate_boxing,
144                     do_locks_coarsening,
145                     do_superword,
146                     install_code);
147     Compile C(env, target, entry_bci, options, directive);
148 
149     // Check result and retry if appropriate.
150     if (C.failure_reason() != nullptr) {
151       if (C.failure_reason_is(retry_no_subsuming_loads())) {
152         assert(subsume_loads, "must make progress");

641   case vmIntrinsics::_max:
642   case vmIntrinsics::_min_strict:
643   case vmIntrinsics::_max_strict:
644   case vmIntrinsics::_maxL:
645   case vmIntrinsics::_minL:
646   case vmIntrinsics::_arraycopy:
647   case vmIntrinsics::_arraySort:
648   case vmIntrinsics::_arrayPartition:
649   case vmIntrinsics::_indexOfL:
650   case vmIntrinsics::_indexOfU:
651   case vmIntrinsics::_indexOfUL:
652   case vmIntrinsics::_indexOfIL:
653   case vmIntrinsics::_indexOfIU:
654   case vmIntrinsics::_indexOfIUL:
655   case vmIntrinsics::_indexOfU_char:
656   case vmIntrinsics::_indexOfL_char:
657   case vmIntrinsics::_toBytesStringU:
658   case vmIntrinsics::_getCharsStringU:
659   case vmIntrinsics::_getCharStringU:
660   case vmIntrinsics::_putCharStringU:


661   case vmIntrinsics::_getReference:
662   case vmIntrinsics::_getBoolean:
663   case vmIntrinsics::_getByte:
664   case vmIntrinsics::_getShort:
665   case vmIntrinsics::_getChar:
666   case vmIntrinsics::_getInt:
667   case vmIntrinsics::_getLong:
668   case vmIntrinsics::_getFloat:
669   case vmIntrinsics::_getDouble:


670   case vmIntrinsics::_putReference:
671   case vmIntrinsics::_putBoolean:
672   case vmIntrinsics::_putByte:
673   case vmIntrinsics::_putShort:
674   case vmIntrinsics::_putChar:
675   case vmIntrinsics::_putInt:
676   case vmIntrinsics::_putLong:
677   case vmIntrinsics::_putFloat:
678   case vmIntrinsics::_putDouble:


679   case vmIntrinsics::_getReferenceVolatile:
680   case vmIntrinsics::_getBooleanVolatile:
681   case vmIntrinsics::_getByteVolatile:
682   case vmIntrinsics::_getShortVolatile:
683   case vmIntrinsics::_getCharVolatile:
684   case vmIntrinsics::_getIntVolatile:
685   case vmIntrinsics::_getLongVolatile:
686   case vmIntrinsics::_getFloatVolatile:
687   case vmIntrinsics::_getDoubleVolatile:
688   case vmIntrinsics::_putReferenceVolatile:
689   case vmIntrinsics::_putBooleanVolatile:
690   case vmIntrinsics::_putByteVolatile:
691   case vmIntrinsics::_putShortVolatile:
692   case vmIntrinsics::_putCharVolatile:
693   case vmIntrinsics::_putIntVolatile:
694   case vmIntrinsics::_putLongVolatile:
695   case vmIntrinsics::_putFloatVolatile:
696   case vmIntrinsics::_putDoubleVolatile:
697   case vmIntrinsics::_getReferenceAcquire:
698   case vmIntrinsics::_getBooleanAcquire:

742   case vmIntrinsics::_storeFence:
743   case vmIntrinsics::_storeStoreFence:
744   case vmIntrinsics::_fullFence:
745   case vmIntrinsics::_currentCarrierThread:
746   case vmIntrinsics::_currentThread:
747   case vmIntrinsics::_setCurrentThread:
748   case vmIntrinsics::_scopedValueCache:
749   case vmIntrinsics::_setScopedValueCache:
750   case vmIntrinsics::_Continuation_pin:
751   case vmIntrinsics::_Continuation_unpin:
752 #ifdef JFR_HAVE_INTRINSICS
753   case vmIntrinsics::_counterTime:
754   case vmIntrinsics::_getEventWriter:
755   case vmIntrinsics::_jvm_commit:
756 #endif
757   case vmIntrinsics::_currentTimeMillis:
758   case vmIntrinsics::_nanoTime:
759   case vmIntrinsics::_allocateInstance:
760   case vmIntrinsics::_allocateUninitializedArray:
761   case vmIntrinsics::_newArray:



762   case vmIntrinsics::_getLength:
763   case vmIntrinsics::_copyOf:
764   case vmIntrinsics::_copyOfRange:
765   case vmIntrinsics::_clone:
766   case vmIntrinsics::_isAssignableFrom:
767   case vmIntrinsics::_isInstance:
768   case vmIntrinsics::_isHidden:
769   case vmIntrinsics::_getSuperclass:
770   case vmIntrinsics::_floatToRawIntBits:
771   case vmIntrinsics::_floatToIntBits:
772   case vmIntrinsics::_intBitsToFloat:
773   case vmIntrinsics::_doubleToRawLongBits:
774   case vmIntrinsics::_doubleToLongBits:
775   case vmIntrinsics::_longBitsToDouble:
776   case vmIntrinsics::_Reference_get0:
777   case vmIntrinsics::_Reference_refersTo0:
778   case vmIntrinsics::_PhantomReference_refersTo0:
779   case vmIntrinsics::_Reference_clear0:
780   case vmIntrinsics::_PhantomReference_clear0:
781   case vmIntrinsics::_Class_cast:

  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "classfile/vmClasses.hpp"
 26 #include "classfile/vmIntrinsics.hpp"
 27 #include "compiler/compilationMemoryStatistic.hpp"
 28 #include "compiler/compilerDefinitions.inline.hpp"
 29 #include "jfr/support/jfrIntrinsics.hpp"
 30 #include "opto/c2compiler.hpp"
 31 #include "opto/compile.hpp"
 32 #include "opto/optoreg.hpp"
 33 #include "opto/output.hpp"
 34 #include "opto/runtime.hpp"
 35 #include "runtime/globals_extension.hpp"
 36 #include "runtime/handles.inline.hpp"
 37 #include "runtime/stubRoutines.hpp"
 38 #include "utilities/macros.hpp"
 39 
 40 
 41 // register information defined by ADLC
 42 extern const char register_save_policy[];
 43 extern const int  register_save_type[];
 44 
 45 const char* C2Compiler::retry_no_subsuming_loads() {
 46   return "retry without subsuming loads";

113   // There is a race possible once at startup and then we're fine
114 
115   // Note that this is being called from a compiler thread not the
116   // main startup thread.
117   if (should_perform_init()) {
118     bool successful = C2Compiler::init_c2_runtime();
119     int new_state = (successful) ? initialized : failed;
120     set_state(new_state);
121   }
122 }
123 
124 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, bool install_code, DirectiveSet* directive) {
125   assert(is_initialized(), "Compiler thread must be initialized");
126 
127   CompilationMemoryStatisticMark cmsm(directive);
128 
129   bool subsume_loads = SubsumeLoads;
130   bool do_escape_analysis = DoEscapeAnalysis;
131   bool do_iterative_escape_analysis = DoEscapeAnalysis;
132   bool do_reduce_allocation_merges = ReduceAllocationMerges && EliminateAllocations;
133   // TODO 8328675 Re-enable
134   bool eliminate_boxing = false; // EliminateAutoBox;
135   bool do_locks_coarsening = EliminateLocks;
136   bool do_superword = UseSuperWord;
137 
138   while (!env->failing()) {
139     ResourceMark rm;
140     // Attempt to compile while subsuming loads into machine instructions.
141     Options options(subsume_loads,
142                     do_escape_analysis,
143                     do_iterative_escape_analysis,
144                     do_reduce_allocation_merges,
145                     eliminate_boxing,
146                     do_locks_coarsening,
147                     do_superword,
148                     install_code);
149     Compile C(env, target, entry_bci, options, directive);
150 
151     // Check result and retry if appropriate.
152     if (C.failure_reason() != nullptr) {
153       if (C.failure_reason_is(retry_no_subsuming_loads())) {
154         assert(subsume_loads, "must make progress");

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

750   case vmIntrinsics::_storeFence:
751   case vmIntrinsics::_storeStoreFence:
752   case vmIntrinsics::_fullFence:
753   case vmIntrinsics::_currentCarrierThread:
754   case vmIntrinsics::_currentThread:
755   case vmIntrinsics::_setCurrentThread:
756   case vmIntrinsics::_scopedValueCache:
757   case vmIntrinsics::_setScopedValueCache:
758   case vmIntrinsics::_Continuation_pin:
759   case vmIntrinsics::_Continuation_unpin:
760 #ifdef JFR_HAVE_INTRINSICS
761   case vmIntrinsics::_counterTime:
762   case vmIntrinsics::_getEventWriter:
763   case vmIntrinsics::_jvm_commit:
764 #endif
765   case vmIntrinsics::_currentTimeMillis:
766   case vmIntrinsics::_nanoTime:
767   case vmIntrinsics::_allocateInstance:
768   case vmIntrinsics::_allocateUninitializedArray:
769   case vmIntrinsics::_newArray:
770   case vmIntrinsics::_newNullRestrictedNonAtomicArray:
771   case vmIntrinsics::_newNullRestrictedAtomicArray:
772   case vmIntrinsics::_newNullableAtomicArray:
773   case vmIntrinsics::_getLength:
774   case vmIntrinsics::_copyOf:
775   case vmIntrinsics::_copyOfRange:
776   case vmIntrinsics::_clone:
777   case vmIntrinsics::_isAssignableFrom:
778   case vmIntrinsics::_isInstance:
779   case vmIntrinsics::_isHidden:
780   case vmIntrinsics::_getSuperclass:
781   case vmIntrinsics::_floatToRawIntBits:
782   case vmIntrinsics::_floatToIntBits:
783   case vmIntrinsics::_intBitsToFloat:
784   case vmIntrinsics::_doubleToRawLongBits:
785   case vmIntrinsics::_doubleToLongBits:
786   case vmIntrinsics::_longBitsToDouble:
787   case vmIntrinsics::_Reference_get0:
788   case vmIntrinsics::_Reference_refersTo0:
789   case vmIntrinsics::_PhantomReference_refersTo0:
790   case vmIntrinsics::_Reference_clear0:
791   case vmIntrinsics::_PhantomReference_clear0:
792   case vmIntrinsics::_Class_cast:
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