Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/lir/LIRXirInstruction.java @ 2677:0ea5f12e873a
use com.oracle.max.asm project for assembler
author | Christian.Wimmer@Oracle.com |
---|---|
date | Fri, 13 May 2011 17:09:20 -0700 |
parents | 16b9a8b5ad39 |
children |
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/* * 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(); } }