annotate src/cpu/sparc/vm/vmreg_sparc.inline.hpp @ 1563:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents a61af66fc99e
children f95d63e2154a
rev   line source
duke@0 1 /*
trims@1563 2 * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
duke@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@0 4 *
duke@0 5 * This code is free software; you can redistribute it and/or modify it
duke@0 6 * under the terms of the GNU General Public License version 2 only, as
duke@0 7 * published by the Free Software Foundation.
duke@0 8 *
duke@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@0 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@0 13 * accompanied this code).
duke@0 14 *
duke@0 15 * You should have received a copy of the GNU General Public License version
duke@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@0 18 *
trims@1563 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1563 20 * or visit www.oracle.com if you need additional information or have any
trims@1563 21 * questions.
duke@0 22 *
duke@0 23 */
duke@0 24
duke@0 25 inline VMReg RegisterImpl::as_VMReg() {
duke@0 26 if( this==noreg ) return VMRegImpl::Bad();
duke@0 27 return VMRegImpl::as_VMReg(encoding() << 1 );
duke@0 28 }
duke@0 29
duke@0 30 inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); }
duke@0 31
duke@0 32
duke@0 33 inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }
duke@0 34 inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&
duke@0 35 value() < ConcreteRegisterImpl::max_fpr; }
duke@0 36 inline Register VMRegImpl::as_Register() {
duke@0 37
duke@0 38 assert( is_Register() && is_even(value()), "even-aligned GPR name" );
duke@0 39 // Yuk
duke@0 40 return ::as_Register(value()>>1);
duke@0 41 }
duke@0 42
duke@0 43 inline FloatRegister VMRegImpl::as_FloatRegister() {
duke@0 44 assert( is_FloatRegister(), "must be" );
duke@0 45 // Yuk
duke@0 46 return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );
duke@0 47 }
duke@0 48
duke@0 49 inline bool VMRegImpl::is_concrete() {
duke@0 50 assert(is_reg(), "must be");
duke@0 51 int v = value();
duke@0 52 if ( v < ConcreteRegisterImpl::max_gpr ) {
duke@0 53 return is_even(v);
duke@0 54 }
duke@0 55 // F0..F31
duke@0 56 if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;
duke@0 57 if ( v < ConcreteRegisterImpl::max_fpr) {
duke@0 58 return is_even(v);
duke@0 59 }
duke@0 60 assert(false, "what register?");
duke@0 61 return false;
duke@0 62 }