Mercurial > hg > graal-compiler
diff graal/Compiler/src/com/sun/c1x/lir/LIROp2.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/Compiler/src/com/sun/c1x/lir/LIROp2.java Wed Apr 27 11:43:22 2011 +0200 @@ -0,0 +1,184 @@ +/* + * Copyright (c) 2009, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.sun.c1x.lir; + +import com.sun.c1x.ir.*; +import com.sun.cri.ci.*; + +/** + * The {@code LIROp2} class represents a LIR instruction that performs an operation on two operands. + * + * @author Marcelo Cintra + * @author Thomas Wuerthinger + * @author Ben L. Titzer + */ +public class LIROp2 extends LIRInstruction { + + final Condition condition; + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param condition the instruction's condition + * @param opr1 the first input operand + * @param opr2 the second input operand + * @param info the object holding information needed to emit debug information + */ + public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, LIRDebugInfo info) { + super(opcode, CiValue.IllegalValue, info, false, 0, 0, opr1, opr2); + this.condition = condition; + assert opcode == LIROpcode.Cmp : "Instruction opcode should be of type LIROpcode.Cmp"; + } + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param condition the instruction's condition + * @param opr1 the first input operand + * @param opr2 the second input operand + * @param result the operand that holds the result of this instruction + */ + public LIROp2(LIROpcode opcode, Condition condition, CiValue opr1, CiValue opr2, CiValue result) { + super(opcode, result, null, false, 0, 0, opr1, opr2); + this.condition = condition; + assert opcode == LIROpcode.Cmove : "Instruction opcode should be of type LIROpcode.Cmove"; + } + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param opr1 the first input operand + * @param opr2 the second input operand + * @param result the operand that holds the result of this instruction + * @param info the object holding information needed to emit debug information + * @param kind the kind of this instruction + */ + public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info, CiKind kind, boolean hasCall) { + super(opcode, result, info, hasCall, 0, 0, opr1, opr2); + this.condition = null; + assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode"; + } + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param opr1 the instruction's first operand + * @param opr2 the instruction's second operand + * @param result the operand that holds the result of this instruction + * @param info the object holding information needed to emit debug information + */ + public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, LIRDebugInfo info) { + this(opcode, opr1, opr2, result, info, CiKind.Illegal, false); + } + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param opr1 the instruction's first operand + * @param opr2 the instruction's second operand + * @param result the operand that holds the result of this instruction + */ + public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result) { + this(opcode, opr1, opr2, result, (LIRDebugInfo) null); + } + + /** + * Constructs a new LIROp2 instruction. + * + * @param opcode the instruction's opcode + * @param opr1 the first input operand + * @param opr2 the second input operand + * @param result the operand that holds the result of this instruction + * @param tmp the temporary operand used by this instruction + */ + public LIROp2(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue result, CiValue tmp) { + super(opcode, result, null, false, 0, 1, opr1, opr2, tmp); + this.condition = null; + assert opcode != LIROpcode.Cmp && isInRange(opcode, LIROpcode.BeginOp2, LIROpcode.EndOp2) : "The " + opcode + " is not a valid LIROp2 opcode"; + } + + /** + * Gets the first input operand. + * + * @return opr1 the first input operand + */ + public CiValue operand1() { + return operand(0); + } + + /** + * Gets the second input operand. + * + * @return opr2 the second input operand + */ + public CiValue operand2() { + return operand(1); + } + + /** + * Gets the temporary operand of this instruction. + * + * @return tmp the temporary operand of this instruction + * + */ + public CiValue tmp() { + return operand(2); + } + + /** + * Gets the condition of this instruction, if it is a Cmp or Cmove LIR instruction. + * + * @return condition the condition of this instruction + */ + public Condition condition() { + assert code == LIROpcode.Cmp || code == LIROpcode.Cmove : "Field access only valid for cmp and cmove"; + return condition; + } + + /** + * Emit target assembly code for this instruction. + * + * @param masm the target assembler + */ + @Override + public void emitCode(LIRAssembler masm) { + masm.emitOp2(this); + } + + /** + * Prints this instruction. + */ + @Override + public String operationString(OperandFormatter operandFmt) { + if (code == LIROpcode.Cmove) { + return condition.toString() + " " + super.operationString(operandFmt); + } + return super.operationString(operandFmt); + } +} +