1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.asm.sparc;
  26 
  27 import sun.jvm.hotspot.asm.*;
  28 import java.util.*;
  29 
  30 class V9FPop2Decoder extends FPopDecoder
  31                      implements V9InstructionDecoder {
  32     static Map v9fpop2Decoders = new HashMap(); // Map<Integer, InstructionDecoder>
  33     static void addV9FPop2Decoder(int fpOpcode, InstructionDecoder decoder) {
  34         v9fpop2Decoders.put(new Integer(fpOpcode), decoder);
  35     }
  36 
  37     static {
  38         // flag conditional moves
  39 
  40         addV9FPop2Decoder(FMOVs_fcc0, new V9FMOVccDecoder(FMOVs_fcc0, RTLDT_FL_SINGLE));
  41         addV9FPop2Decoder(FMOVs_fcc1, new V9FMOVccDecoder(FMOVs_fcc1, RTLDT_FL_SINGLE));
  42         addV9FPop2Decoder(FMOVs_fcc2, new V9FMOVccDecoder(FMOVs_fcc2, RTLDT_FL_SINGLE));
  43         addV9FPop2Decoder(FMOVs_fcc3, new V9FMOVccDecoder(FMOVs_fcc3, RTLDT_FL_SINGLE));
  44         addV9FPop2Decoder(FMOVs_icc, new V9FMOVccDecoder(FMOVs_icc, RTLDT_FL_SINGLE));
  45         addV9FPop2Decoder(FMOVs_xcc, new V9FMOVccDecoder(FMOVs_xcc, RTLDT_FL_SINGLE));
  46         addV9FPop2Decoder(FMOVd_fcc0, new V9FMOVccDecoder(FMOVd_fcc0, RTLDT_FL_DOUBLE));
  47         addV9FPop2Decoder(FMOVd_fcc1, new V9FMOVccDecoder(FMOVd_fcc1, RTLDT_FL_DOUBLE));
  48         addV9FPop2Decoder(FMOVd_fcc2, new V9FMOVccDecoder(FMOVd_fcc2, RTLDT_FL_DOUBLE));
  49         addV9FPop2Decoder(FMOVd_fcc3, new V9FMOVccDecoder(FMOVd_fcc3, RTLDT_FL_DOUBLE));
  50         addV9FPop2Decoder(FMOVd_icc, new V9FMOVccDecoder(FMOVd_icc, RTLDT_FL_DOUBLE));
  51         addV9FPop2Decoder(FMOVd_xcc, new V9FMOVccDecoder(FMOVd_xcc, RTLDT_FL_DOUBLE));
  52         addV9FPop2Decoder(FMOVq_fcc0, new V9FMOVccDecoder(FMOVq_fcc0, RTLDT_FL_QUAD));
  53         addV9FPop2Decoder(FMOVq_fcc1, new V9FMOVccDecoder(FMOVq_fcc1, RTLDT_FL_QUAD));
  54         addV9FPop2Decoder(FMOVq_fcc2, new V9FMOVccDecoder(FMOVq_fcc2, RTLDT_FL_QUAD));
  55         addV9FPop2Decoder(FMOVq_fcc3, new V9FMOVccDecoder(FMOVq_fcc3, RTLDT_FL_QUAD));
  56         addV9FPop2Decoder(FMOVq_icc, new V9FMOVccDecoder(FMOVq_icc, RTLDT_FL_QUAD));
  57         addV9FPop2Decoder(FMOVq_xcc, new V9FMOVccDecoder(FMOVq_xcc, RTLDT_FL_QUAD));
  58 
  59         // register conditional moves
  60 
  61         addV9FPop2Decoder(FMOVRsZ, new V9FMOVrDecoder(FMOVRsZ, "fmovrsz", RTLDT_FL_SINGLE));
  62         addV9FPop2Decoder(FMOVRsLEZ, new V9FMOVrDecoder(FMOVRsLEZ, "fmovrslez", RTLDT_FL_SINGLE));
  63         addV9FPop2Decoder(FMOVRsLZ, new V9FMOVrDecoder(FMOVRsLZ, "fmovrslz", RTLDT_FL_SINGLE));
  64         addV9FPop2Decoder(FMOVRsNZ, new V9FMOVrDecoder(FMOVRsNZ, "fmovrsnz", RTLDT_FL_SINGLE));
  65         addV9FPop2Decoder(FMOVRsGZ, new V9FMOVrDecoder(FMOVRsGZ, "fmovrsgz", RTLDT_FL_SINGLE));
  66         addV9FPop2Decoder(FMOVRsGEZ, new V9FMOVrDecoder(FMOVRsGEZ, "fmovrsgez", RTLDT_FL_SINGLE));
  67 
  68         addV9FPop2Decoder(FMOVRdZ, new V9FMOVrDecoder(FMOVRdZ, "fmovrdz", RTLDT_FL_DOUBLE));
  69         addV9FPop2Decoder(FMOVRdLEZ, new V9FMOVrDecoder(FMOVRdLEZ, "fmovrdlez", RTLDT_FL_DOUBLE));
  70         addV9FPop2Decoder(FMOVRdLZ, new V9FMOVrDecoder(FMOVRdLZ, "fmovrdlz", RTLDT_FL_DOUBLE));
  71         addV9FPop2Decoder(FMOVRdNZ, new V9FMOVrDecoder(FMOVRdNZ, "fmovrdnz", RTLDT_FL_DOUBLE));
  72         addV9FPop2Decoder(FMOVRdGZ, new V9FMOVrDecoder(FMOVRdGZ, "fmovrdgz", RTLDT_FL_DOUBLE));
  73         addV9FPop2Decoder(FMOVRdGEZ, new V9FMOVrDecoder(FMOVRdGEZ, "fmovrdgez", RTLDT_FL_DOUBLE));
  74 
  75         addV9FPop2Decoder(FMOVRqZ, new V9FMOVrDecoder(FMOVRqZ, "fmovrqz", RTLDT_FL_QUAD));
  76         addV9FPop2Decoder(FMOVRqLEZ, new V9FMOVrDecoder(FMOVRqLEZ, "fmovrqlez", RTLDT_FL_QUAD));
  77         addV9FPop2Decoder(FMOVRqLZ, new V9FMOVrDecoder(FMOVRqLZ, "fmovrqlz", RTLDT_FL_QUAD));
  78         addV9FPop2Decoder(FMOVRqNZ, new V9FMOVrDecoder(FMOVRqNZ, "fmovrqnz", RTLDT_FL_QUAD));
  79         addV9FPop2Decoder(FMOVRqGZ, new V9FMOVrDecoder(FMOVRqGZ, "fmovrqgz", RTLDT_FL_QUAD));
  80         addV9FPop2Decoder(FMOVRqGEZ, new V9FMOVrDecoder(FMOVRqGEZ, "fmovrqgez", RTLDT_FL_QUAD));
  81     }
  82 
  83     InstructionDecoder getOpfDecoder(int opf) {
  84         InstructionDecoder decoder = (InstructionDecoder) V8FPop2Decoder.fpop2Decoders.get(new Integer(opf));
  85         return (decoder != null) ? decoder : (InstructionDecoder) v9fpop2Decoders.get(new Integer(opf));
  86     }
  87 }