Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCSethiInstruction.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCSethiInstruction.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,74 @@ +/* + * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved. + * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.asm.sparc; + +import sun.jvm.hotspot.asm.*; + +public class SPARCSethiInstruction extends SPARCInstruction + implements MoveInstruction { + final private SPARCRegister register; + final private ImmediateOrRegister value; + final private String description; + + public SPARCSethiInstruction(int value, SPARCRegister register) { + super("sethi"); + this.register = register; + value <<= 10; + this.value = new Immediate(new Integer(value)); + description = initDescription(value); + } + + private String initDescription(int val) { + if (val == 0 && register == SPARCRegisters.G0) { + return "nop"; + } else { + StringBuffer buf = new StringBuffer(); + buf.append(getName()); + buf.append(spaces); + buf.append("%hi(0x"); + buf.append(Integer.toHexString(val)); + buf.append(')'); + buf.append(comma); + buf.append(register.toString()); + return buf.toString(); + } + } + + public String asString(long currentPc, SymbolFinder symFinder) { + return description; + } + + public Register getMoveDestination() { + return register; + } + + public ImmediateOrRegister getMoveSource() { + return value; + } + + public boolean isConditional() { + return false; + } +}