Wed, 11 Aug 2010 05:51:21 -0700
6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
twisti@2047 | 1 | /* |
twisti@2047 | 2 | * Copyright (c) 1999, 2007, 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 | |
twisti@2047 | 26 | class LLVMValue : public AllStatic { |
twisti@2047 | 27 | public: |
twisti@2047 | 28 | static llvm::ConstantInt* jbyte_constant(jbyte value) |
twisti@2047 | 29 | { |
twisti@2047 | 30 | return llvm::ConstantInt::get(SharkType::jbyte_type(), value, true); |
twisti@2047 | 31 | } |
twisti@2047 | 32 | static llvm::ConstantInt* jint_constant(jint value) |
twisti@2047 | 33 | { |
twisti@2047 | 34 | return llvm::ConstantInt::get(SharkType::jint_type(), value, true); |
twisti@2047 | 35 | } |
twisti@2047 | 36 | static llvm::ConstantInt* jlong_constant(jlong value) |
twisti@2047 | 37 | { |
twisti@2047 | 38 | return llvm::ConstantInt::get(SharkType::jlong_type(), value, true); |
twisti@2047 | 39 | } |
twisti@2047 | 40 | static llvm::ConstantFP* jfloat_constant(jfloat value) |
twisti@2047 | 41 | { |
twisti@2047 | 42 | return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value)); |
twisti@2047 | 43 | } |
twisti@2047 | 44 | static llvm::ConstantFP* jdouble_constant(jdouble value) |
twisti@2047 | 45 | { |
twisti@2047 | 46 | return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value)); |
twisti@2047 | 47 | } |
twisti@2047 | 48 | static llvm::ConstantPointerNull* null() |
twisti@2047 | 49 | { |
twisti@2047 | 50 | return llvm::ConstantPointerNull::get(SharkType::oop_type()); |
twisti@2047 | 51 | } |
twisti@2047 | 52 | |
twisti@2047 | 53 | public: |
twisti@2047 | 54 | static llvm::ConstantInt* bit_constant(int value) |
twisti@2047 | 55 | { |
twisti@2047 | 56 | return llvm::ConstantInt::get(SharkType::bit_type(), value, false); |
twisti@2047 | 57 | } |
twisti@2047 | 58 | static llvm::ConstantInt* intptr_constant(intptr_t value) |
twisti@2047 | 59 | { |
twisti@2047 | 60 | return llvm::ConstantInt::get(SharkType::intptr_type(), value, false); |
twisti@2047 | 61 | } |
twisti@2047 | 62 | }; |