jdk8-mips64-public/hotspot: src/cpu/sparc/vm/interpreter

6462850: generate biased locking code in C2 ideal graph
Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never

     1 /*

     2  * Copyright 1997-2007 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  public:

    27   // Support for Tagged Stacks

    29   // Stack index relative to tos (which points at value)

    30   static int expr_index_at(int i)     {

    31     return stackElementWords() * i;

    32   }

    34   static int expr_tag_index_at(int i) {

    35     assert(TaggedStackInterpreter, "should not call this");

    36     // tag is one word above java stack element

    37     return stackElementWords() * i + 1;

    38   }

    40   static int expr_offset_in_bytes(int i) { return stackElementSize()*i + wordSize; }

    41   static int expr_tag_offset_in_bytes (int i) {

    42     assert(TaggedStackInterpreter, "should not call this");

    43     return expr_offset_in_bytes(i) + wordSize;

    44   }

    46   // Already negated by c++ interpreter

    47   static int local_index_at(int i)     {

    48     assert(i<=0, "local direction already negated");

    49     return stackElementWords() * i + (value_offset_in_bytes()/wordSize);

    50   }

    52   static int local_tag_index_at(int i) {

    53     assert(i<=0, "local direction already negated");

    54     assert(TaggedStackInterpreter, "should not call this");

    55     return stackElementWords() * i + (tag_offset_in_bytes()/wordSize);

    56   }

src/cpu/sparc/vm/interpreter_sparc.hpp@a1980da045cc

src/cpu/sparc/vm/interpreter_sparc.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/sparc/vm/interpreter_sparc.hpp@a1980da045cc

src/cpu/sparc/vm/interpreter_sparc.hpp