1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage com.android.dx.rop.code; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Implementation of {@link TranslationAdvice} which conservatively answers 2199409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project * {@code false} to all methods. 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic final class ConservativeTranslationAdvice 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project implements TranslationAdvice { 2599409883d9c4c0ffb49b070ce307bb33a9dfe9f1The Android Open Source Project /** {@code non-null;} standard instance of this class */ 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public static final ConservativeTranslationAdvice THE_ONE = 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new ConservativeTranslationAdvice(); 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * This class is not publicly instantiable. Use {@link #THE_ONE}. 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private ConservativeTranslationAdvice() { 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // This space intentionally left blank. 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean hasConstantOperation(Rop opcode, 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpec sourceA, RegisterSpec sourceB) { 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public boolean requiresSourcesInOrder(Rop opcode, 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project RegisterSpecList sources) { 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return false; 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** {@inheritDoc} */ 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public int getMaxOptimalRegisterCount() { 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return Integer.MAX_VALUE; 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 53