Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/code/compiledIC.cpp
src/share/vm/code/compiledIC.cpp
- changeset 9185
- 82f9d3b7e317
- parent 8997
- f8a45a60bc6b
- child 9203
- 53eec13fbaa5
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| 9184:fbcbfd2753b5 | 9185:82f9d3b7e317 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 230 assert(index == itable_index, "CallInfo pre-computes this"); | 230 assert(index == itable_index, "CallInfo pre-computes this"); |
| 231 InstanceKlass* k = call_info->resolved_method()->method_holder(); | 231 InstanceKlass* k = call_info->resolved_method()->method_holder(); |
| 232 assert(k->verify_itable_index(itable_index), "sanity check"); | 232 assert(k->verify_itable_index(itable_index), "sanity check"); |
| 233 #endif //ASSERT | 233 #endif //ASSERT |
| 234 CompiledICHolder* holder = new CompiledICHolder(call_info->resolved_method()->method_holder(), | 234 CompiledICHolder* holder = new CompiledICHolder(call_info->resolved_method()->method_holder(), |
| 235 call_info->resolved_klass()()); | 235 call_info->resolved_klass()(), false); |
| 236 holder->claim(); | 236 holder->claim(); |
| 237 InlineCacheBuffer::create_transition_stub(this, holder, entry); | 237 InlineCacheBuffer::create_transition_stub(this, holder, entry); |
| 238 } else { | 238 } else { |
| 239 assert(call_info->call_kind() == CallInfo::vtable_call, "either itable or vtable"); | 239 assert(call_info->call_kind() == CallInfo::vtable_call, "either itable or vtable"); |
| 240 // Can be different than selected_method->vtable_index(), due to package-private etc. | 240 // Can be different than selected_method->vtable_index(), due to package-private etc. |
| 268 bool CompiledIC::is_megamorphic() const { | 268 bool CompiledIC::is_megamorphic() const { |
| 269 assert(CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); | 269 assert(CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); |
| 270 assert(!is_optimized(), "an optimized call cannot be megamorphic"); | 270 assert(!is_optimized(), "an optimized call cannot be megamorphic"); |
| 271 | 271 |
| 272 // Cannot rely on cached_value. It is either an interface or a method. | 272 // Cannot rely on cached_value. It is either an interface or a method. |
| 273 return VtableStubs::is_entry_point(ic_destination()); | 273 return VtableStubs::entry_point(ic_destination()) != NULL; |
| 274 } | 274 } |
| 275 | 275 |
| 276 bool CompiledIC::is_call_to_compiled() const { | 276 bool CompiledIC::is_call_to_compiled() const { |
| 277 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); | 277 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), ""); |
| 278 | 278 |
| 532 CodeBlob* cb = CodeCache::find_blob_unsafe(entry); | 532 CodeBlob* cb = CodeCache::find_blob_unsafe(entry); |
| 533 if (cb != NULL && cb->is_adapter_blob()) { | 533 if (cb != NULL && cb->is_adapter_blob()) { |
| 534 return true; | 534 return true; |
| 535 } | 535 } |
| 536 // itable stubs also use CompiledICHolder | 536 // itable stubs also use CompiledICHolder |
| 537 if (VtableStubs::is_entry_point(entry) && VtableStubs::stub_containing(entry)->is_itable_stub()) { | 537 if (cb != NULL && cb->is_vtable_blob()) { |
| 538 return true; | 538 VtableStub* s = VtableStubs::entry_point(entry); |
| 539 } | 539 return (s != NULL) && s->is_itable_stub(); |
| 540 } | |
| 541 | |
| 540 return false; | 542 return false; |
| 541 } | 543 } |
| 542 | 544 |
| 543 // ---------------------------------------------------------------------------- | 545 // ---------------------------------------------------------------------------- |
| 544 | 546 |
