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