jdk8-mips64-public/hotspot: src/cpu/zero/vm/stubRoutines

6926048: Improve Zero performance
Summary: Make Zero figure out result types in a similar way to C++ interpreter implementation.
Reviewed-by: kvn
Contributed-by: gbenson@redhat.com

     1 /*

     2  * Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.

     3  * Copyright 2007, 2008, 2009 Red Hat, Inc.

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

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

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

    22  * have any questions.

    23  *

    24  */

    26   // This file holds the platform specific parts of the StubRoutines

    27   // definition. See stubRoutines.hpp for a description on how to

    28   // extend it.

    30  public:

    31   static address call_stub_return_pc() {

    32     return (address) -1;

    33   }

    35   static bool returns_to_call_stub(address return_pc) {

    36     return return_pc == call_stub_return_pc();

    37   }

    39   enum platform_dependent_constants {

    40     code_size1 = 0,      // The assembler will fail with a guarantee

    41     code_size2 = 0       // if these are too small.  Simply increase

    42   };                     // them if that happens.

    44 #ifdef IA32

    45   class x86 {

    46     friend class VMStructs;

    48    private:

    49     static address _call_stub_compiled_return;

    50   };

    51 #endif // IA32

src/cpu/zero/vm/stubRoutines_zero.hpp@c09ee209b65c

src/cpu/zero/vm/stubRoutines_zero.hpp

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

src/cpu/zero/vm/stubRoutines_zero.hpp@c09ee209b65c

src/cpu/zero/vm/stubRoutines_zero.hpp