| /* |
| * Copyright (c) 2015, 2015, 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 org.graalvm.compiler.lir.sparc; |
| |
| public interface SPARCLIRInstructionMixin { |
| |
| default boolean leavesRegisterWindow() { |
| return false; |
| } |
| |
| default SizeEstimate estimateSize() { |
| return getSPARCLIRInstructionStore().estimate; |
| } |
| |
| SPARCLIRInstructionMixinStore getSPARCLIRInstructionStore(); |
| |
| /** |
| * This class represents a size estimation of a particular LIR instruction. It contains a |
| * pessimistic estimate of emitted SPARC instructions and emitted bytes into the constant |
| * section. |
| */ |
| class SizeEstimate { |
| /** |
| * Cache the first size definition (with just 0 as constant size). |
| */ |
| private static final SizeEstimate[] cache = new SizeEstimate[5]; |
| |
| static { |
| for (int i = 0; i < cache.length; i++) { |
| cache[i] = new SizeEstimate(i, 0); |
| } |
| } |
| |
| public final int instructionSize; |
| public final int constantSize; |
| |
| public SizeEstimate(int instructionSize, int constantSize) { |
| this.instructionSize = instructionSize; |
| this.constantSize = constantSize; |
| } |
| |
| public static SizeEstimate create(int instructionSize, int constantSize) { |
| if (constantSize == 0 && instructionSize < cache.length) { |
| return cache[instructionSize]; |
| } else { |
| return new SizeEstimate(instructionSize, constantSize); |
| } |
| } |
| |
| public static SizeEstimate create(int instructionSize) { |
| if (instructionSize < cache.length) { |
| return cache[instructionSize]; |
| } else { |
| return new SizeEstimate(instructionSize, 0); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "SE[i=" + instructionSize + ", c=" + constantSize + "]"; |
| } |
| } |
| |
| class SPARCLIRInstructionMixinStore { |
| public final SizeEstimate estimate; |
| public SPARCDelayedControlTransfer delayedControlTransfer = SPARCDelayedControlTransfer.DUMMY; |
| |
| public SPARCLIRInstructionMixinStore(SizeEstimate estimate) { |
| this.estimate = estimate; |
| } |
| |
| @Override |
| public String toString() { |
| return estimate != null ? estimate.toString() : ""; |
| } |
| } |
| } |