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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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.lir.amd64;

import org.graalvm.compiler.asm.amd64.AMD64Address;
import org.graalvm.compiler.core.common.LIRKind;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.lir.asm.ArrayDataPointerConstant;
import org.graalvm.compiler.lir.asm.CompilationResultBuilder;

import jdk.vm.ci.amd64.AMD64;
import jdk.vm.ci.amd64.AMD64Kind;
import jdk.vm.ci.code.Register;
import jdk.vm.ci.meta.Value;

public final class AMD64HotSpotHelper {

    private AMD64HotSpotHelper() {
    }

    protected static Value[] registersToValues(Register[] registers) {
        Value[] temps = new Value[registers.length];
        for (int i = 0; i < registers.length; i++) {
            Register register = registers[i];
            if (AMD64.CPU.equals(register.getRegisterCategory())) {
                temps[i] = register.asValue(LIRKind.value(AMD64Kind.QWORD));
            } else if (AMD64.XMM.equals(register.getRegisterCategory())) {
                temps[i] = register.asValue(LIRKind.value(AMD64Kind.DOUBLE));
            } else {
                throw GraalError.shouldNotReachHere("Unsupported register type in math stubs.");
            }
        }
        return temps;
    }

    protected static AMD64Address recordExternalAddress(CompilationResultBuilder crb, ArrayDataPointerConstant ptr) {
        return (AMD64Address) crb.recordDataReferenceInCode(ptr);
    }

    protected static ArrayDataPointerConstant pointerConstant(int alignment, int[] ints) {
        return new ArrayDataPointerConstant(ints, alignment);
    }
}