jdk8-mips64-public/hotspot: src/share/vm/shark/llvmValue.hpp@01522ca68fc7

8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

     1 /*

     2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    22  * questions.

    23  *

    24  */

    26 #ifndef SHARE_VM_SHARK_LLVMVALUE_HPP

    27 #define SHARE_VM_SHARK_LLVMVALUE_HPP

    29 #include "shark/llvmHeaders.hpp"

    30 #include "shark/sharkContext.hpp"

    31 #include "shark/sharkType.hpp"

    33 class LLVMValue : public AllStatic {

    34  public:

    35   static llvm::ConstantInt* jbyte_constant(jbyte value)

    36   {

    37     return llvm::ConstantInt::get(SharkType::jbyte_type(), value, true);

    38   }

    39   static llvm::ConstantInt* jint_constant(jint value)

    40   {

    41     return llvm::ConstantInt::get(SharkType::jint_type(), value, true);

    42   }

    43   static llvm::ConstantInt* jlong_constant(jlong value)

    44   {

    45     return llvm::ConstantInt::get(SharkType::jlong_type(), value, true);

    46   }

    47   static llvm::ConstantFP* jfloat_constant(jfloat value)

    48   {

    49     return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));

    50   }

    51   static llvm::ConstantFP* jdouble_constant(jdouble value)

    52   {

    53     return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));

    54   }

    55   static llvm::ConstantPointerNull* null()

    56   {

    57     return llvm::ConstantPointerNull::get(SharkType::oop_type());

    58   }

    59   static llvm::ConstantPointerNull* nullKlass()

    60   {

    61     return llvm::ConstantPointerNull::get(SharkType::klass_type());

    62   }

    64  public:

    65   static llvm::ConstantInt* bit_constant(int value)

    66   {

    67     return llvm::ConstantInt::get(SharkType::bit_type(), value, false);

    68   }

    69   static llvm::ConstantInt* intptr_constant(intptr_t value)

    70   {

    71     return llvm::ConstantInt::get(SharkType::intptr_type(), value, false);

    72   }

    73 };

    75 #endif // SHARE_VM_SHARK_LLVMVALUE_HPP

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

src/share/vm/shark/llvmValue.hpp@01522ca68fc7

src/share/vm/shark/llvmValue.hpp