Mercurial > hg > graal-compiler
view src/share/vm/memory/space.inline.hpp @ 954:0f1c19b7a52d
6875619: CTW fails with /hotspot/src/share/vm/opto/type.hpp
Summary: In load_array_length() cast array's type to TypeOopPtr when calling make_ideal_length() method.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 08 Sep 2009 10:42:50 -0700 |
parents | 37f87013dfd8 |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ inline HeapWord* Space::block_start(const void* p) { return block_start_const(p); } inline HeapWord* OffsetTableContigSpace::allocate(size_t size) { HeapWord* res = ContiguousSpace::allocate(size); if (res != NULL) { _offsets.alloc_block(res, size); } return res; } // Because of the requirement of keeping "_offsets" up to date with the // allocations, we sequentialize these with a lock. Therefore, best if // this is used for larger LAB allocations only. inline HeapWord* OffsetTableContigSpace::par_allocate(size_t size) { MutexLocker x(&_par_alloc_lock); // This ought to be just "allocate", because of the lock above, but that // ContiguousSpace::allocate asserts that either the allocating thread // holds the heap lock or it is the VM thread and we're at a safepoint. // The best I (dld) could figure was to put a field in ContiguousSpace // meaning "locking at safepoint taken care of", and set/reset that // here. But this will do for now, especially in light of the comment // above. Perhaps in the future some lock-free manner of keeping the // coordination. HeapWord* res = ContiguousSpace::par_allocate(size); if (res != NULL) { _offsets.alloc_block(res, size); } return res; } inline HeapWord* OffsetTableContigSpace::block_start_const(const void* p) const { return _offsets.block_start(p); } inline HeapWord* ContiguousSpace::concurrent_iteration_safe_limit() { assert(_concurrent_iteration_safe_limit <= top(), "_concurrent_iteration_safe_limit update missed"); return _concurrent_iteration_safe_limit; } inline void ContiguousSpace::set_concurrent_iteration_safe_limit(HeapWord* new_limit) { assert(new_limit <= top(), "uninitialized objects in the safe range"); _concurrent_iteration_safe_limit = new_limit; }