Mercurial > hg > truffle
diff graal/Compiler/src/com/sun/c1x/lir/LIRXirInstruction.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/LIRXirInstruction.java Wed Apr 27 11:43:22 2011 +0200 @@ -0,0 +1,166 @@ +/* + * 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 java.util.*; + +import com.sun.c1x.*; +import com.sun.c1x.gen.*; +import com.sun.cri.ci.*; +import com.sun.cri.ri.*; +import com.sun.cri.xir.*; + +public class LIRXirInstruction extends LIRInstruction { + + public final CiValue[] originalOperands; + public final int outputOperandIndex; + public final int[] operandIndices; + public final XirSnippet snippet; + public final RiMethod method; + public final int inputTempCount; + public final int tempCount; + public final int inputCount; + public final List<CiValue> pointerSlots; + public final LIRDebugInfo infoAfter; + + public LIRXirInstruction(XirSnippet snippet, + CiValue[] originalOperands, + CiValue outputOperand, + int inputTempCount, + int tempCount, + CiValue[] operands, + int[] operandIndices, + int outputOperandIndex, + LIRDebugInfo info, + LIRDebugInfo infoAfter, + RiMethod method, + List<CiValue> pointerSlots) { + super(LIROpcode.Xir, outputOperand, info, false, inputTempCount, tempCount, operands); + this.infoAfter = infoAfter; + this.pointerSlots = pointerSlots; + assert this.pointerSlots == null || this.pointerSlots.size() >= 0; + this.method = method; + this.snippet = snippet; + this.operandIndices = operandIndices; + this.outputOperandIndex = outputOperandIndex; + this.originalOperands = originalOperands; + this.inputTempCount = inputTempCount; + this.tempCount = tempCount; + this.inputCount = operands.length - inputTempCount - tempCount; + + C1XMetrics.LIRXIRInstructions++; + } + + public CiValue[] getOperands() { + for (int i = 0; i < operandIndices.length; i++) { + originalOperands[operandIndices[i]] = operand(i); + } + if (outputOperandIndex != -1) { + originalOperands[outputOperandIndex] = result(); + } + return originalOperands; + } + + /** + * Emits target assembly code for this instruction. + * + * @param masm the target assembler + */ + @Override + public void emitCode(LIRAssembler masm) { + masm.emitXir(this); + } + + /** + * Prints this instruction. + */ + @Override + public String operationString(OperandFormatter operandFmt) { + return toString(operandFmt); + } + + @Override + public String toString(OperandFormatter operandFmt) { + StringBuilder sb = new StringBuilder(); + sb.append("XIR: "); + + if (result().isLegal()) { + sb.append(operandFmt.format(result()) + " = "); + } + + sb.append(snippet.template); + sb.append("("); + for (int i = 0; i < snippet.arguments.length; i++) { + XirArgument a = snippet.arguments[i]; + if (i > 0) { + sb.append(", "); + } + if (a.constant != null) { + sb.append(operandFmt.format(a.constant)); + } else { + Object o = a.object; + if (o instanceof LIRItem) { + sb.append(operandFmt.format(((LIRItem) o).result())); + } else if (o instanceof CiValue) { + sb.append(operandFmt.format((CiValue) o)); + } else { + sb.append(o); + } + } + } + sb.append(')'); + + if (method != null) { + sb.append(" method="); + sb.append(method.toString()); + } + + + for (LIRInstruction.OperandMode mode : LIRInstruction.OPERAND_MODES) { + int n = operandCount(mode); + if (mode == OperandMode.Output && n <= 1) { + // Already printed single output (i.e. result()) + continue; + } + if (n != 0) { + sb.append(' ').append(mode.name().toLowerCase()).append("=("); + HashSet<String> operands = new HashSet<String>(); + for (int i = 0; i < n; i++) { + String operand = operandFmt.format(operandAt(mode, i)); + if (!operands.contains(operand)) { + if (!operands.isEmpty()) { + sb.append(", "); + } + operands.add(operand); + sb.append(operand); + } + } + sb.append(')'); + } + } + + appendDebugInfo(sb, operandFmt, info); + + return sb.toString(); + } +}