hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/FloatGRPDecoder.java
changeset 13911 e59cfb5f223b
parent 13910 aded5e617602
parent 13909 9b94bf4dcc0c
child 13912 3bd874584fc0
--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/FloatGRPDecoder.java	Thu Sep 27 11:26:04 2012 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,163 +0,0 @@
-/*
- * Copyright (c) 2002, 2003, 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 sun.jvm.hotspot.asm.x86;
-
-import sun.jvm.hotspot.asm.*;
-
-public class FloatGRPDecoder extends FPInstructionDecoder {
-
-   final private int number;
-
-   //Please refer to IA-32 Intel Architecture Software Developer's Manual Volume 2
-   //APPENDIX A - Escape opcodes
-
-   private static final FPInstructionDecoder floatGRPMap[][] = {
-      /* d9_2 */
-      {
-      new FPInstructionDecoder("fnop"),
-      null,
-      null,
-      null,
-      null,
-      null,
-      null,
-      null
-      },
-      /*  d9_4 */
-      {
-      new FPInstructionDecoder("fchs"),
-      new FPInstructionDecoder("fabs"),
-      null,
-      null,
-      new FPInstructionDecoder("ftst"),
-      new FPInstructionDecoder("fxam"),
-      null,
-      null
-      },
-      /* d9_5 */
-      {
-      new FPInstructionDecoder("fld1"),
-      new FPInstructionDecoder("fldl2t"),
-      new FPInstructionDecoder("fldl2e"),
-      new FPInstructionDecoder("fldpi"),
-      new FPInstructionDecoder("fldlg2"),
-      new FPInstructionDecoder("fldln2"),
-      new FPInstructionDecoder("fldz"),
-      null
-      },
-      /* d9_6 */
-      {
-      new FPInstructionDecoder("f2xm1"),
-      new FPInstructionDecoder("fyl2x"),
-      new FPInstructionDecoder("fptan"),
-      new FPInstructionDecoder("fpatan"),
-      new FPInstructionDecoder("fxtract"),
-      new FPInstructionDecoder("fprem1"),
-      new FPInstructionDecoder("fdecstp"),
-      new FPInstructionDecoder("fincstp")
-      },
-      /* d9_7 */
-      {
-      new FPInstructionDecoder("fprem"),
-      new FPInstructionDecoder("fyl2xp1"),
-      new FPInstructionDecoder("fsqrt"),
-      new FPInstructionDecoder("fsincos"),
-      new FPInstructionDecoder("frndint"),
-      new FPInstructionDecoder("fscale"),
-      new FPInstructionDecoder("fsin"),
-      new FPInstructionDecoder("fcos")
-      },
-      /* da_5 */
-      {
-      null,
-      new FPInstructionDecoder("fucompp"),
-      null,
-      null,
-      null,
-      null,
-      null,
-      null
-      },
-      /* db_4 */
-      {
-      new FPInstructionDecoder("feni(287 only)"),
-      new FPInstructionDecoder("fdisi(287 only)"),
-      new FPInstructionDecoder("fNclex"),
-      new FPInstructionDecoder("fNinit"),
-      new FPInstructionDecoder("fNsetpm(287 only)"),
-      null,
-      null,
-      null
-      },
-      /* de_3 */
-      {
-      null,
-      new FPInstructionDecoder("fcompp"),
-      null,
-      null,
-      null,
-      null,
-      null,
-      null
-      },
-      /* df_4 */
-      {
-      new FPInstructionDecoder("fNstsw"),
-      null,
-      null,
-      null,
-      null,
-      null,
-      null,
-      null
-      }
-   };
-
-   public FloatGRPDecoder(String name, int number) {
-      super(name);
-      this.number = number;
-   }
-
-   public Instruction decode(byte[] bytesArray, int index, int instrStartIndex, int segmentOverride, int prefixes, X86InstructionFactory factory) {
-      this.byteIndex = index;
-      this.instrStartIndex = instrStartIndex;
-      this.prefixes = prefixes;
-
-      int ModRM = readByte(bytesArray, byteIndex);
-      int rm = ModRM & 7;
-
-      FPInstructionDecoder instrDecoder = null;
-      instrDecoder = floatGRPMap[number][rm];
-
-      Instruction instr = null;
-      if(instrDecoder != null) {
-         instr = instrDecoder.decode(bytesArray, byteIndex, instrStartIndex, segmentOverride, prefixes, factory);
-         byteIndex = instrDecoder.getCurrentIndex();
-      } else {
-         instr = factory.newIllegalInstruction();
-      }
-      return instr;
-   }
-}