1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 

    25 package org.graalvm.compiler.lir.amd64.vector;

    26 

    27 import org.graalvm.compiler.asm.amd64.AVXKind.AVXSize;

    28 import org.graalvm.compiler.lir.LIRInstructionClass;

    29 import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction;

    30 

    31 public abstract class AMD64VectorInstruction extends AMD64LIRInstruction {

    32 

    33     public static final LIRInstructionClass<AMD64VectorInstruction> TYPE = LIRInstructionClass.create(AMD64VectorInstruction.class);

    34     protected final AVXSize size;

    35 

    36     public AMD64VectorInstruction(LIRInstructionClass<? extends AMD64VectorInstruction> c, AVXSize size) {

    37         super(c);

    38         this.size = size;

    39     }

    40 

    41     @Override

    42     public boolean needsClearUpperVectorRegisters() {

    43         return size == AVXSize.YMM || size == AVXSize.ZMM;

    44     }

    45 

    46 }