/*
 * Copyright (c) 2007, 2011, 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.sun.max.asm.gen.risc.sparc;

import static com.sun.max.asm.gen.risc.sparc.SPARCFields.*;

import com.sun.max.asm.gen.risc.*;

/**
 */
public class FloatingPointOperate extends SPARCInstructionDescriptionCreator {

    private void createCompare(String name, String type, Object frs1Field, Object frs2Field, int opfContents) {
        define("f" + name + type, op(0x2), bits_29_27(0), fcc_26_25, op3(0x35), frs1Field, frs2Field, opf(opfContents));
    }

    private void createBinaryArithmetic(String name, String type, Object[] head, Object frs1Field, Object frs2Field,
                    final Object frdField, int opfContents) {
        define("f" + name + type, head, opf(opfContents), frs1Field, frs2Field, frdField);
    }

    private void createToX(String type, Object[] head, Object frs2Field, int opfContents) {
        define("f" + type + "tox", head, opf(opfContents), frs2Field, dfrd);
    }

    private void createToI(String type, Object[] head, Object frs2Field, int opfContents) {
        define("f" + type + "toi", head, opf(opfContents), frs2Field, sfrd);
    }

    private void createFromTo(String fromType, String toType, Object[] head, Object frs2Field, Object frdField, int opfContents) {
        define("f" + fromType + "to" + toType, head, opf(opfContents), frs2Field, frdField);
    }

    private void createXorITo(String type, Object[] head, Object frdField, int opfContents) {
        define("fxto" + type, head, opf(opfContents | 0x80), dfrs2, frdField);
        define("fito" + type, head, opf(opfContents | 0xc0), sfrs2, frdField);
    }

    private void createUnaryArithmetic(String name, String type, Object[] head, Object frs2Field, Object frdField, int opfContents) {
        define("f" + name + type, head, opf(opfContents), frs2Field, frdField);
    }

    private void create_A12(Object[] head) {
        createBinaryArithmetic("add", "s", head, sfrs1, sfrs2, sfrd, 0x41);
        createBinaryArithmetic("add", "d", head, dfrs1, dfrs2, dfrd, 0x42);
        createBinaryArithmetic("add", "q", head, qfrs1, qfrs2, qfrd, 0x43);
        createBinaryArithmetic("sub", "s", head, sfrs1, sfrs2, sfrd, 0x45);
        createBinaryArithmetic("sub", "d", head, dfrs1, dfrs2, dfrd, 0x46);
        createBinaryArithmetic("sub", "q", head, qfrs1, qfrs2, qfrd, 0x47);
    }

    private void create_A13() {
        createCompare("cmp", "s", sfrs1, sfrs2, 0x51);
        createCompare("cmp", "d", dfrs1, dfrs2, 0x52);
        createCompare("cmp", "q", qfrs1, qfrs2, 0x53);
        createCompare("cmpe", "s", sfrs1, sfrs2, 0x55);
        createCompare("cmpe", "d", dfrs1, dfrs2, 0x56);
        createCompare("cmpe", "q", qfrs1, qfrs2, 0x57);
    }

    private void create_A14(Object[] head) {
        createToX("s", head, sfrs2, 0x81);
        createToX("d", head, dfrs2, 0x82);
        createToX("q", head, qfrs2, 0x83);
        createToI("s", head, sfrs2, 0xd1);
        createToI("d", head, dfrs2, 0xd2);
        createToI("q", head, qfrs2, 0xd3);
    }

    private void create_A15(Object[] head) {
        createFromTo("s", "d", head, sfrs2, dfrd, 0xc9);
        createFromTo("s", "q", head, sfrs2, qfrd, 0xcd);
        createFromTo("d", "s", head, dfrs2, sfrd, 0xc6);
        createFromTo("d", "q", head, dfrs2, qfrd, 0xce);
        createFromTo("q", "s", head, qfrs2, sfrd, 0xc7);
        createFromTo("q", "d", head, qfrs2, dfrd, 0xcb);
    }

    private void create_A16(Object[] head) {
        createXorITo("s", head, sfrd, 0x4);
        createXorITo("d", head, dfrd, 0x8);
        createXorITo("q", head, qfrd, 0xc);
    }

    private void create_A17(Object[] head) {
        createUnaryArithmetic("mov", "s", head, sfrs2, sfrd, 0x1);
        createUnaryArithmetic("mov", "d", head, dfrs2, dfrd, 0x2);
        createUnaryArithmetic("mov", "q", head, qfrs2, qfrd, 0x3);
        createUnaryArithmetic("neg", "s", head, sfrs2, sfrd, 0x5);
        createUnaryArithmetic("neg", "d", head, dfrs2, dfrd, 0x6);
        createUnaryArithmetic("neg", "q", head, qfrs2, qfrd, 0x7);
        createUnaryArithmetic("abs", "s", head, sfrs2, sfrd, 0x9);
        createUnaryArithmetic("abs", "d", head, dfrs2, dfrd, 0xa);
        createUnaryArithmetic("abs", "q", head, qfrs2, qfrd, 0xb);
    }

    private void create_A18(Object[] head) {
        createBinaryArithmetic("mul", "s", head, sfrs1, sfrs2, sfrd, 0x49);
        createBinaryArithmetic("mul", "d", head, dfrs1, dfrs2, dfrd, 0x4a);
        createBinaryArithmetic("mul", "q", head, qfrs1, qfrs2, qfrd, 0x4b);
        createBinaryArithmetic("div", "s", head, sfrs1, sfrs2, sfrd, 0x4d);
        createBinaryArithmetic("div", "d", head, dfrs1, dfrs2, dfrd, 0x4e);
        createBinaryArithmetic("div", "q", head, qfrs1, qfrs2, qfrd, 0x4f);

        define("fsmuld", head, opf(0x69), sfrs1, sfrs2, dfrd);
        define("fdmulq", head, opf(0x6e), dfrs1, dfrs2, qfrd);
    }

    private void create_A19(Object[] head) {
        createUnaryArithmetic("sqrt", "s", head, sfrs2, sfrd, 0x29);
        createUnaryArithmetic("sqrt", "d", head, dfrs2, dfrd, 0x2a);
        createUnaryArithmetic("sqrt", "q", head, qfrs2, qfrd, 0x2b);
    }

    FloatingPointOperate(RiscTemplateCreator templateCreator) {
        super(templateCreator);

        final Object[] head1 = {op(0x2), op3(0x34)};
        final Object[] head2 = {res_18_14, head1};

        setCurrentArchitectureManualSection("A.12");
        create_A12(head1);

        setCurrentArchitectureManualSection("A.13");
        create_A13();

        setCurrentArchitectureManualSection("A.14");
        create_A14(head2);

        setCurrentArchitectureManualSection("A.15");
        create_A15(head2);

        setCurrentArchitectureManualSection("A.16");
        create_A16(head2);

        setCurrentArchitectureManualSection("A.17");
        create_A17(head2);

        setCurrentArchitectureManualSection("A.18");
        create_A18(head1);

        setCurrentArchitectureManualSection("A.19");
        create_A19(head2);
    }

}