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