jnr.a64asm.Util Maven / Gradle / Ivy

/*
 * Copyright (C) 2018 Ossdev07
 *
 * This file is part of the JNR 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 jnr.a64asm;

public final class Util {
    private Util() {
    }

    /** Returns @c true if a given integer @a x is signed 8 bit integer */
    static final boolean isInt8(long x) {
        return x >= -128 && x <= 127;
    }

    /** Returns @c true if a given integer @a x is unsigned 8 bit integer */
    static final boolean isUInt8(long x) {
        return x >= 0 && x <= 255;
    }

    /** Returns @c true if a given integer @a x is signed 16 bit integer */
    static final boolean isInt16(long x) {
        return x >= -32768 && x <= 32767;
    }

    /** Returns @c true if a given integer @a x is unsigned 16 bit integer */
    static final boolean isUInt16(long x) {
        return x >= 0 && x <= 65535;
    }

    /** Returns @c true if a given integer @a x is signed 32 bit integer */
    static final boolean isInt32(long x) {
        return x >= Integer.MIN_VALUE && x <= Integer.MAX_VALUE;
    }

    /** Returns @c true if a given integer @a x is unsigned 32 bit integer */
    static final boolean isUInt32(long x) {
        return x >= 0 && x <= 0xffffffffL;
    }
}