Mercurial > hg > truffle
view src/cpu/zero/vm/vmreg_zero.cpp @ 1865:1c352af0135d
6763959: java.util.concurrent.locks.LockSupport.parkUntil(0) blocks forever
Summary: Absolute time 0 needs to return immediately.
Reviewed-by: phh, dcubed, dholmes
author | acorn |
---|---|
date | Mon, 04 Oct 2010 13:11:10 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved. * Copyright 2007 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "incls/_precompiled.incl" #include "incls/_vmreg_zero.cpp.incl" void VMRegImpl::set_regName() { int i = 0; Register reg = ::as_Register(0); for ( ; i < ConcreteRegisterImpl::max_gpr ; ) { regName[i++] = reg->name(); reg = reg->successor(); } FloatRegister freg = ::as_FloatRegister(0); for ( ; i < ConcreteRegisterImpl::max_fpr ; ) { regName[i++] = freg->name(); freg = freg->successor(); } assert(i == ConcreteRegisterImpl::number_of_registers, "fix this"); } bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; } bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; } Register VMRegImpl::as_Register() { assert(is_Register(), "must be"); return ::as_Register(value()); } FloatRegister VMRegImpl::as_FloatRegister() { assert(is_FloatRegister(), "must be" ); return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr); }