63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
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/*
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* Copyright 2006-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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inline VMReg RegisterImpl::as_VMReg() {
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if( this==noreg ) return VMRegImpl::Bad();
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return VMRegImpl::as_VMReg(encoding() << 1 );
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}
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inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); }
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inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }
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inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&
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value() < ConcreteRegisterImpl::max_fpr; }
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inline Register VMRegImpl::as_Register() {
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assert( is_Register() && is_even(value()), "even-aligned GPR name" );
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// Yuk
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return ::as_Register(value()>>1);
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}
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inline FloatRegister VMRegImpl::as_FloatRegister() {
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assert( is_FloatRegister(), "must be" );
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// Yuk
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return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );
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}
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inline bool VMRegImpl::is_concrete() {
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assert(is_reg(), "must be");
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int v = value();
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if ( v < ConcreteRegisterImpl::max_gpr ) {
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return is_even(v);
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}
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// F0..F31
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if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;
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if ( v < ConcreteRegisterImpl::max_fpr) {
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return is_even(v);
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}
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assert(false, "what register?");
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return false;
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}
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