jdk8-mips64-public/hotspot: src/share/vm/ci/ciCPCache.cpp@3cf667df43ef

6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn

     1 /*

     2  * Copyright 2009-2010 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     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

     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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_ciCPCache.cpp.incl"

    28 // ciCPCache

    30 // ------------------------------------------------------------------

    31 // ciCPCache::get_f1_offset

    32 size_t ciCPCache::get_f1_offset(int index) {

    33   // Calculate the offset from the constantPoolCacheOop to the f1

    34   // field.

    35   ByteSize f1_offset =

    36     constantPoolCacheOopDesc::entry_offset(index) +

    37     ConstantPoolCacheEntry::f1_offset();

    39   return in_bytes(f1_offset);

    40 }

    43 // ------------------------------------------------------------------

    44 // ciCPCache::is_f1_null_at

    45 bool ciCPCache::is_f1_null_at(int index) {

    46   VM_ENTRY_MARK;

    47   constantPoolCacheOop cpcache = (constantPoolCacheOop) get_oop();

    48   oop f1 = cpcache->secondary_entry_at(index)->f1();

    49   return (f1 == NULL);

    50 }

    53 // ------------------------------------------------------------------

    54 // ciCPCache::print

    55 //

    56 // Print debugging information about the cache.

    57 void ciCPCache::print() {

    58   Unimplemented();

    59 }

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