hotspot/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64LIRKindTool.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.core.amd64;

import org.graalvm.compiler.core.common.LIRKind;
import org.graalvm.compiler.core.common.spi.LIRKindTool;
import org.graalvm.compiler.debug.GraalError;

import jdk.vm.ci.amd64.AMD64Kind;

public class AMD64LIRKindTool implements LIRKindTool {

    @Override
    public LIRKind getIntegerKind(int bits) {
        if (bits <= 8) {
            return LIRKind.value(AMD64Kind.BYTE);
        } else if (bits <= 16) {
            return LIRKind.value(AMD64Kind.WORD);
        } else if (bits <= 32) {
            return LIRKind.value(AMD64Kind.DWORD);
        } else {
            assert bits <= 64;
            return LIRKind.value(AMD64Kind.QWORD);
        }
    }

    @Override
    public LIRKind getFloatingKind(int bits) {
        switch (bits) {
            case 32:
                return LIRKind.value(AMD64Kind.SINGLE);
            case 64:
                return LIRKind.value(AMD64Kind.DOUBLE);
            default:
                throw GraalError.shouldNotReachHere();
        }
    }

    @Override
    public LIRKind getObjectKind() {
        return LIRKind.reference(AMD64Kind.QWORD);
    }

    @Override
    public LIRKind getWordKind() {
        return LIRKind.value(AMD64Kind.QWORD);
    }

}