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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.sparc;
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26
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27 import sun.jvm.hotspot.asm.*;
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28 import java.util.*;
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29
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30 class V9FPop1Decoder extends FPopDecoder
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31 implements V9InstructionDecoder {
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32 static Map v9opfDecoders = new HashMap(); // Map<Integer, InstructionDecoder>
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33 static void addV9OpfDecoder(int fpOpcode, InstructionDecoder decoder) {
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34 v9opfDecoders.put(new Integer(fpOpcode), decoder);
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35 }
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36
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37 static {
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38 addV9OpfDecoder(FMOVd, new FPMoveDecoder(FMOVd, "fmovd", RTLDT_FL_DOUBLE, RTLDT_FL_DOUBLE));
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39 addV9OpfDecoder(FMOVq, new FPMoveDecoder(FMOVq, "fmovq", RTLDT_FL_QUAD, RTLDT_FL_QUAD));
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40 addV9OpfDecoder(FNEGd, new FP2RegisterDecoder(FNEGd, "fnegd", RTLDT_FL_DOUBLE, RTLDT_FL_DOUBLE));
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41 addV9OpfDecoder(FNEGq, new FP2RegisterDecoder(FNEGq, "fnegq", RTLDT_FL_QUAD, RTLDT_FL_QUAD));
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42 addV9OpfDecoder(FABSd, new FP2RegisterDecoder(FABSd, "fabsd", RTLDT_FL_DOUBLE, RTLDT_FL_DOUBLE));
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43 addV9OpfDecoder(FABSq, new FP2RegisterDecoder(FABSq, "fabsq", RTLDT_FL_QUAD, RTLDT_FL_QUAD));
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44 addV9OpfDecoder(FsTOx, new FP2RegisterDecoder(FsTOx, "fstox", RTLDT_FL_SINGLE, RTLDT_FL_QUAD));
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45 addV9OpfDecoder(FdTOx, new FP2RegisterDecoder(FdTOx, "fdtox", RTLDT_FL_DOUBLE, RTLDT_FL_QUAD));
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46 addV9OpfDecoder(FqTOx, new FP2RegisterDecoder(FqTOx, "fqtox", RTLDT_FL_QUAD, RTLDT_FL_QUAD));
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47 addV9OpfDecoder(FxTOs, new FP2RegisterDecoder(FxTOs, "fxtos", RTLDT_FL_QUAD, RTLDT_FL_SINGLE));
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48 addV9OpfDecoder(FxTOd, new FP2RegisterDecoder(FxTOd, "fxtod", RTLDT_FL_QUAD, RTLDT_FL_SINGLE));
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49 addV9OpfDecoder(FxTOq, new FP2RegisterDecoder(FxTOq, "fxtoq", RTLDT_FL_QUAD, RTLDT_FL_QUAD));
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50 }
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51
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52 InstructionDecoder getOpfDecoder(int opf) {
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53 InstructionDecoder decoder = (InstructionDecoder) V8FPop1Decoder.opfDecoders.get(new Integer(opf));
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54 return (decoder !=null)? decoder : (InstructionDecoder) v9opfDecoders.get(new Integer(opf));
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55 }
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56 }
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