view graal/com.oracle.graal.hotspot.ptx/src/com/oracle/graal/hotspot/ptx/PTXHotSpotLoweringProvider.java @ 18408:2c3666f44855

Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 96bb07a5d667
children d138867d61c4
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/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.graal.hotspot.ptx;

import com.oracle.graal.compiler.common.*;
import com.oracle.graal.graph.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.nodes.calc.*;
import com.oracle.graal.nodes.extended.*;
import com.oracle.graal.nodes.spi.*;

public class PTXHotSpotLoweringProvider implements LoweringProvider {

    private final LoweringProvider host;

    public PTXHotSpotLoweringProvider(LoweringProvider host) {
        this.host = host;
    }

    @Override
    public void lower(Node n, LoweringTool tool) {
        if (n instanceof ConvertNode) {
            // PTX has a cvt instruction that "takes a variety of
            // operand types and sizes, as its job is to convert from
            // nearly any data type to any other data type (and
            // size)." [Section 6.2 of PTX ISA manual]
            // So, there is no need to lower the operation.
            return;
        } else {
            host.lower(n, tool);
        }
    }

    public ValueNode reconstructArrayIndex(LocationNode location) {
        throw GraalInternalError.unimplemented();
    }
}