Mercurial > hg > graal-compiler
diff agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9MembarInstruction.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/SPARCV9MembarInstruction.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,87 @@ +/* + * 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.SymbolFinder; +import java.util.Vector; + +public class SPARCV9MembarInstruction extends SPARCInstruction + implements SPARCV9Instruction { + final private int mmask; + final private int cmask; + final private String description; + + public SPARCV9MembarInstruction(int mmask, int cmask) { + super("membar"); + this.mmask = mmask & 0xF; + this.cmask = cmask & 0x7; + description = initDescription(); + } + + private String initDescription() { + StringBuffer buf = new StringBuffer(); + buf.append(getName()); + buf.append(spaces); + + Vector masks = new Vector(); + if ((mmask & 0x1) != 0) + masks.add("#LoadLoad"); + if ((mmask & 0x2) != 0) + masks.add("#StoreLoad"); + if ((mmask & 0x4) != 0) + masks.add("#LoadStore"); + if ((mmask & 0x8) != 0) + masks.add("#StoreStore"); + + if ((cmask & 0x1) != 0) + masks.add("#Lookaside"); + if ((cmask & 0x2) != 0) + masks.add("#MemIssue"); + if ((cmask & 0x4) != 0) + masks.add("#Sync"); + + // add all masks + Object[] tempMasks = masks.toArray(); + for (int i=0; i < tempMasks.length - 1; i++) { + buf.append((String)tempMasks[i]); + buf.append("| "); + } + buf.append((String)tempMasks[tempMasks.length - 1]); + + return buf.toString(); + } + + public int getMMask() { + return mmask; + } + + public int getCMask() { + return cmask; + } + + public String asString(long currentPc, SymbolFinder symFinder) { + return description; + } +}