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src/share/vm/shark/llvmValue.hpp@01522ca68fc7 (annotated)
src/share/vm/shark/llvmValue.hpp
Tue, 18 Jun 2013 12:31:07 -0700
- author
- johnc
- date
- Tue, 18 Jun 2013 12:31:07 -0700
- changeset 5277
- 01522ca68fc7
- parent 4314
- 2cd5e15048e6
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
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
| twisti@2047 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| twisti@2047 | 3 | * Copyright 2008, 2009 Red Hat, Inc. |
| twisti@2047 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| twisti@2047 | 5 | * |
| twisti@2047 | 6 | * This code is free software; you can redistribute it and/or modify it |
| twisti@2047 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| twisti@2047 | 8 | * published by the Free Software Foundation. |
| twisti@2047 | 9 | * |
| twisti@2047 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| twisti@2047 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| twisti@2047 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| twisti@2047 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| twisti@2047 | 14 | * accompanied this code). |
| twisti@2047 | 15 | * |
| twisti@2047 | 16 | * You should have received a copy of the GNU General Public License version |
| twisti@2047 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| twisti@2047 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| twisti@2047 | 19 | * |
| twisti@2047 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| twisti@2047 | 21 | * or visit www.oracle.com if you need additional information or have any |
| twisti@2047 | 22 | * questions. |
| twisti@2047 | 23 | * |
| twisti@2047 | 24 | */ |
| twisti@2047 | 25 | |
| stefank@2314 | 26 | #ifndef SHARE_VM_SHARK_LLVMVALUE_HPP |
| stefank@2314 | 27 | #define SHARE_VM_SHARK_LLVMVALUE_HPP |
| stefank@2314 | 28 | |
| stefank@2314 | 29 | #include "shark/llvmHeaders.hpp" |
| stefank@2314 | 30 | #include "shark/sharkContext.hpp" |
| stefank@2314 | 31 | #include "shark/sharkType.hpp" |
| stefank@2314 | 32 | |
| twisti@2047 | 33 | class LLVMValue : public AllStatic { |
| twisti@2047 | 34 | public: |
| twisti@2047 | 35 | static llvm::ConstantInt* jbyte_constant(jbyte value) |
| twisti@2047 | 36 | { |
| twisti@2047 | 37 | return llvm::ConstantInt::get(SharkType::jbyte_type(), value, true); |
| twisti@2047 | 38 | } |
| twisti@2047 | 39 | static llvm::ConstantInt* jint_constant(jint value) |
| twisti@2047 | 40 | { |
| twisti@2047 | 41 | return llvm::ConstantInt::get(SharkType::jint_type(), value, true); |
| twisti@2047 | 42 | } |
| twisti@2047 | 43 | static llvm::ConstantInt* jlong_constant(jlong value) |
| twisti@2047 | 44 | { |
| twisti@2047 | 45 | return llvm::ConstantInt::get(SharkType::jlong_type(), value, true); |
| twisti@2047 | 46 | } |
| twisti@2047 | 47 | static llvm::ConstantFP* jfloat_constant(jfloat value) |
| twisti@2047 | 48 | { |
| twisti@2047 | 49 | return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value)); |
| twisti@2047 | 50 | } |
| twisti@2047 | 51 | static llvm::ConstantFP* jdouble_constant(jdouble value) |
| twisti@2047 | 52 | { |
| twisti@2047 | 53 | return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value)); |
| twisti@2047 | 54 | } |
| twisti@2047 | 55 | static llvm::ConstantPointerNull* null() |
| twisti@2047 | 56 | { |
| twisti@2047 | 57 | return llvm::ConstantPointerNull::get(SharkType::oop_type()); |
| twisti@2047 | 58 | } |
| twisti@4314 | 59 | static llvm::ConstantPointerNull* nullKlass() |
| twisti@4314 | 60 | { |
| twisti@4314 | 61 | return llvm::ConstantPointerNull::get(SharkType::klass_type()); |
| twisti@4314 | 62 | } |
| twisti@2047 | 63 | |
| twisti@2047 | 64 | public: |
| twisti@2047 | 65 | static llvm::ConstantInt* bit_constant(int value) |
| twisti@2047 | 66 | { |
| twisti@2047 | 67 | return llvm::ConstantInt::get(SharkType::bit_type(), value, false); |
| twisti@2047 | 68 | } |
| twisti@2047 | 69 | static llvm::ConstantInt* intptr_constant(intptr_t value) |
| twisti@2047 | 70 | { |
| twisti@2047 | 71 | return llvm::ConstantInt::get(SharkType::intptr_type(), value, false); |
| twisti@2047 | 72 | } |
| twisti@2047 | 73 | }; |
| stefank@2314 | 74 | |
| stefank@2314 | 75 | #endif // SHARE_VM_SHARK_LLVMVALUE_HPP |
