jdk8-mips64-public/hotspot: src/cpu/x86/vm/c2_init

7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
Summary: replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti

     1 /*

     2  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "opto/compile.hpp"

    27 #include "opto/node.hpp"

    29 // processor dependent initialization for i486

    31 void Compile::pd_compiler2_init() {

    32   guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );

    33   // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could

    34   // simply be left out.

    35 #ifndef AMD64

    36   if (!VM_Version::supports_cmov()) {

    37     ConditionalMoveLimit = 0;

    38   }

    39 #endif // AMD64

    40 }

src/cpu/x86/vm/c2_init_x86.cpp@f1c12354c3f7

src/cpu/x86/vm/c2_init_x86.cpp

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

src/cpu/x86/vm/c2_init_x86.cpp@f1c12354c3f7

src/cpu/x86/vm/c2_init_x86.cpp