Tue, 11 Nov 2014 11:05:41 +0100
8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov
duke@435 | 1 | /* |
mikael@6198 | 2 | * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
stefank@2314 | 26 | #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "runtime/handles.hpp" |
stefank@4299 | 29 | #include "runtime/thread.inline.hpp" |
stefank@2314 | 30 | |
duke@435 | 31 | // these inline functions are in a separate file to break an include cycle |
duke@435 | 32 | // between Thread and Handle |
duke@435 | 33 | |
duke@435 | 34 | inline Handle::Handle(oop obj) { |
duke@435 | 35 | if (obj == NULL) { |
duke@435 | 36 | _handle = NULL; |
duke@435 | 37 | } else { |
duke@435 | 38 | _handle = Thread::current()->handle_area()->allocate_handle(obj); |
duke@435 | 39 | } |
duke@435 | 40 | } |
duke@435 | 41 | |
duke@435 | 42 | |
duke@435 | 43 | #ifndef ASSERT |
duke@435 | 44 | inline Handle::Handle(Thread* thread, oop obj) { |
duke@435 | 45 | assert(thread == Thread::current(), "sanity check"); |
duke@435 | 46 | if (obj == NULL) { |
duke@435 | 47 | _handle = NULL; |
duke@435 | 48 | } else { |
duke@435 | 49 | _handle = thread->handle_area()->allocate_handle(obj); |
duke@435 | 50 | } |
duke@435 | 51 | } |
duke@435 | 52 | #endif // ASSERT |
duke@435 | 53 | |
coleenp@4037 | 54 | // Constructors for metadata handles |
coleenp@4037 | 55 | #define DEF_METADATA_HANDLE_FN(name, type) \ |
coleenp@4037 | 56 | inline name##Handle::name##Handle(type* obj) : _value(obj), _thread(NULL) { \ |
coleenp@4037 | 57 | if (obj != NULL) { \ |
coleenp@4037 | 58 | assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
coleenp@4037 | 59 | _thread = Thread::current(); \ |
coleenp@4037 | 60 | assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
coleenp@4037 | 61 | _thread->metadata_handles()->push((Metadata*)obj); \ |
coleenp@4037 | 62 | } \ |
coleenp@4037 | 63 | } \ |
coleenp@4037 | 64 | inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \ |
coleenp@4037 | 65 | if (obj != NULL) { \ |
coleenp@4037 | 66 | assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
coleenp@4037 | 67 | assert(_thread == Thread::current(), "thread must be current"); \ |
coleenp@4037 | 68 | assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
coleenp@4037 | 69 | _thread->metadata_handles()->push((Metadata*)obj); \ |
coleenp@4037 | 70 | } \ |
coleenp@4037 | 71 | } \ |
coleenp@4037 | 72 | inline name##Handle::name##Handle(const name##Handle &h) { \ |
coleenp@4037 | 73 | _value = h._value; \ |
coleenp@4037 | 74 | if (_value != NULL) { \ |
coleenp@4037 | 75 | assert(_value->is_valid(), "obj is valid"); \ |
coleenp@4037 | 76 | if (h._thread != NULL) { \ |
coleenp@4037 | 77 | assert(h._thread == Thread::current(), "thread must be current");\ |
coleenp@4037 | 78 | _thread = h._thread; \ |
coleenp@4037 | 79 | } else { \ |
coleenp@4037 | 80 | _thread = Thread::current(); \ |
coleenp@4037 | 81 | } \ |
coleenp@5749 | 82 | assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
coleenp@4037 | 83 | _thread->metadata_handles()->push((Metadata*)_value); \ |
coleenp@4395 | 84 | } else { \ |
coleenp@4395 | 85 | _thread = NULL; \ |
coleenp@4037 | 86 | } \ |
coleenp@4037 | 87 | } \ |
coleenp@4037 | 88 | inline name##Handle& name##Handle::operator=(const name##Handle &s) { \ |
coleenp@4037 | 89 | remove(); \ |
coleenp@4037 | 90 | _value = s._value; \ |
coleenp@4037 | 91 | if (_value != NULL) { \ |
coleenp@4037 | 92 | assert(_value->is_valid(), "obj is valid"); \ |
coleenp@4037 | 93 | if (s._thread != NULL) { \ |
coleenp@4037 | 94 | assert(s._thread == Thread::current(), "thread must be current");\ |
coleenp@4037 | 95 | _thread = s._thread; \ |
coleenp@4037 | 96 | } else { \ |
coleenp@4037 | 97 | _thread = Thread::current(); \ |
coleenp@4037 | 98 | } \ |
coleenp@5749 | 99 | assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
coleenp@4037 | 100 | _thread->metadata_handles()->push((Metadata*)_value); \ |
coleenp@4395 | 101 | } else { \ |
coleenp@4395 | 102 | _thread = NULL; \ |
coleenp@4037 | 103 | } \ |
coleenp@4037 | 104 | return *this; \ |
coleenp@4037 | 105 | } \ |
coleenp@4037 | 106 | inline void name##Handle::remove() { \ |
coleenp@4037 | 107 | if (_value != NULL) { \ |
coleenp@4037 | 108 | int i = _thread->metadata_handles()->find_from_end((Metadata*)_value); \ |
coleenp@4037 | 109 | assert(i!=-1, "not in metadata_handles list"); \ |
coleenp@4037 | 110 | _thread->metadata_handles()->remove_at(i); \ |
coleenp@4037 | 111 | } \ |
coleenp@4037 | 112 | } \ |
coleenp@4037 | 113 | inline name##Handle::~name##Handle () { remove(); } \ |
coleenp@4037 | 114 | |
coleenp@4037 | 115 | DEF_METADATA_HANDLE_FN(method, Method) |
coleenp@4037 | 116 | DEF_METADATA_HANDLE_FN(constantPool, ConstantPool) |
duke@435 | 117 | |
duke@435 | 118 | inline HandleMark::HandleMark() { |
duke@435 | 119 | initialize(Thread::current()); |
duke@435 | 120 | } |
duke@435 | 121 | |
duke@435 | 122 | |
duke@435 | 123 | inline void HandleMark::push() { |
duke@435 | 124 | // This is intentionally a NOP. pop_and_restore will reset |
duke@435 | 125 | // values to the HandleMark further down the stack, typically |
duke@435 | 126 | // in JavaCalls::call_helper. |
duke@435 | 127 | debug_only(_area->_handle_mark_nesting++); |
duke@435 | 128 | } |
duke@435 | 129 | |
duke@435 | 130 | inline void HandleMark::pop_and_restore() { |
duke@435 | 131 | HandleArea* area = _area; // help compilers with poor alias analysis |
duke@435 | 132 | // Delete later chunks |
duke@435 | 133 | if( _chunk->next() ) { |
zgu@4193 | 134 | // reset arena size before delete chunks. Otherwise, the total |
zgu@4193 | 135 | // arena size could exceed total chunk size |
zgu@4193 | 136 | assert(area->size_in_bytes() > size_in_bytes(), "Sanity check"); |
zgu@4193 | 137 | area->set_size_in_bytes(size_in_bytes()); |
duke@435 | 138 | _chunk->next_chop(); |
zgu@4193 | 139 | } else { |
zgu@4193 | 140 | assert(area->size_in_bytes() == size_in_bytes(), "Sanity check"); |
duke@435 | 141 | } |
duke@435 | 142 | // Roll back arena to saved top markers |
duke@435 | 143 | area->_chunk = _chunk; |
duke@435 | 144 | area->_hwm = _hwm; |
duke@435 | 145 | area->_max = _max; |
duke@435 | 146 | debug_only(area->_handle_mark_nesting--); |
duke@435 | 147 | } |
stefank@2314 | 148 | |
stefank@2314 | 149 | #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |