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hotspot/src/share/vm/interpreter/bytecodes.cpp
changeset 5688 9052dc91ea67
parent 5403 6b0dd9c75dde
child 5693 3015c564fcbc
equal deleted inserted replaced
5687:b862d1f189bd 5688:9052dc91ea67 
     1 /*
 
     1 /*
 
     2  * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
 
     2  * Copyright 1997-2010 Sun Microsystems, Inc.  All Rights Reserved.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     4  *
 
     4  *
 
     5  * This code is free software; you can redistribute it and/or modify it
 
     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
 
     6  * under the terms of the GNU General Public License version 2 only, as
 
     7  * published by the Free Software Foundation.
 
     7  * published by the Free Software Foundation.
 
    33 #endif
 
    33 #endif
 
    34 
    34 
    35 
    35 
    36 bool            Bytecodes::_is_initialized = false;
 
    36 bool            Bytecodes::_is_initialized = false;
 
    37 const char*     Bytecodes::_name          [Bytecodes::number_of_codes];
 
    37 const char*     Bytecodes::_name          [Bytecodes::number_of_codes];
 
    38 const char*     Bytecodes::_format        [Bytecodes::number_of_codes];
 
       
    39 const char*     Bytecodes::_wide_format   [Bytecodes::number_of_codes];
 
       
    40 BasicType       Bytecodes::_result_type   [Bytecodes::number_of_codes];
 
    38 BasicType       Bytecodes::_result_type   [Bytecodes::number_of_codes];
 
    41 s_char          Bytecodes::_depth         [Bytecodes::number_of_codes];
 
    39 s_char          Bytecodes::_depth         [Bytecodes::number_of_codes];
 
    42 u_char          Bytecodes::_length        [Bytecodes::number_of_codes];
 
    40 u_char          Bytecodes::_lengths       [Bytecodes::number_of_codes];
 
    43 bool            Bytecodes::_can_trap      [Bytecodes::number_of_codes];
 
       
    44 Bytecodes::Code Bytecodes::_java_code     [Bytecodes::number_of_codes];
 
    41 Bytecodes::Code Bytecodes::_java_code     [Bytecodes::number_of_codes];
 
    45 bool            Bytecodes::_can_rewrite   [Bytecodes::number_of_codes];
 
    42 u_short         Bytecodes::_flags         [(1<<BitsPerByte)*2];
 
    46 
    43 
    47 
    44 
    48 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
 
    45 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
 
    49   return code_at(method->bcp_from(bci), method);
 
    46   return code_at(method->bcp_from(bci), method);
 
    50 }
 
    47 }
 
   120 }
 
   117 }
 
   121 
   118 
   122 
   119 
   123 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) {
 
   120 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) {
 
   124   assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
 
   121   assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
 
       
   122   int len  = (format      != NULL ? (int) strlen(format)      : 0);
 
       
   123   int wlen = (wide_format != NULL ? (int) strlen(wide_format) : 0);
 
   125   _name          [code] = name;
 
   124   _name          [code] = name;
 
   126   _format        [code] = format;
 
       
   127   _wide_format   [code] = wide_format;
 
       
   128   _result_type   [code] = result_type;
 
   125   _result_type   [code] = result_type;
 
   129   _depth         [code] = depth;
 
   126   _depth         [code] = depth;
 
   130   _can_trap      [code] = can_trap;
 
   127   _lengths       [code] = (wlen << 4) | (len & 0xF);
 
   131   _length        [code] = format != NULL ? (u_char)strlen(format) : 0;
 
       
   132   _java_code     [code] = java_code;
 
   128   _java_code     [code] = java_code;
 
   133   if (java_code != code)  _can_rewrite[java_code] = true;
 
   129   int bc_flags = 0;
 
       
   130   if (can_trap)           bc_flags |= _bc_can_trap;
 
       
   131   if (java_code != code)  bc_flags |= _bc_can_rewrite;
 
       
   132   _flags[(u1)code+0*(1<<BitsPerByte)] = compute_flags(format,      bc_flags);
 
       
   133   _flags[(u1)code+1*(1<<BitsPerByte)] = compute_flags(wide_format, bc_flags);
 
       
   134   assert(is_defined(code)      == (format != NULL),      "");
 
       
   135   assert(wide_is_defined(code) == (wide_format != NULL), "");
 
       
   136   assert(length_for(code)      == len, "");
 
       
   137   assert(wide_length_for(code) == wlen, "");
 
   134 }
 
   138 }
 
   135 
   139 
   136 
   140 
   137 // Format strings interpretation:
 
   141 // Format strings interpretation:
 
   138 //
 
   142 //
 
   139 // b: bytecode
 
   143 // b: bytecode
 
   140 // c: signed constant, Java byte-ordering
 
   144 // c: signed constant, Java byte-ordering
 
   141 // i: unsigned index , Java byte-ordering
 
   145 // i: unsigned local index, Java byte-ordering (I = native byte ordering)
 
   142 // j: unsigned index , native byte-ordering
 
   146 // j: unsigned CP cache index, Java byte-ordering (J = native byte ordering)
 
   143 // o: branch offset  , Java byte-ordering
 
   147 // k: unsigned CP index, Java byte-ordering
 
       
   148 // o: branch offset, Java byte-ordering
 
   144 // _: unused/ignored
 
   149 // _: unused/ignored
 
   145 // w: wide bytecode
 
   150 // w: wide bytecode
 
   146 //
 
   151 //
 
   147 // Note: Right now the format strings are used for 2 purposes:
 
   152 // Note: The format strings are used for 2 purposes:
 
   148 //       1. to specify the length of the bytecode
 
   153 //       1. to specify the length of the bytecode
 
   149 //          (= number of characters in format string)
 
   154 //          (= number of characters in format string)
 
   150 //       2. to specify the bytecode attributes
 
   155 //       2. to derive bytecode format flags (_fmt_has_k, etc.)
 
   151 //
 
       
   152 //       The bytecode attributes are currently used only for bytecode tracing
 
       
   153 //       (see BytecodeTracer); thus if more specific format information is
 
       
   154 //       used, one would also have to adjust the bytecode tracer.
 
       
   155 //
 
   156 //
 
   156 // Note: For bytecodes with variable length, the format string is the empty string.
 
   157 // Note: For bytecodes with variable length, the format string is the empty string.
 
       
   158 
       
   159 int Bytecodes::compute_flags(const char* format, int more_flags) {
 
       
   160   if (format == NULL)  return 0;  // not even more_flags
 
       
   161   int flags = more_flags;
 
       
   162   const char* fp = format;
 
       
   163   switch (*fp) {
 
       
   164   case '\0':
 
       
   165     flags |= _fmt_not_simple; // but variable
 
       
   166     break;
 
       
   167   case 'b':
 
       
   168     flags |= _fmt_not_variable;  // but simple
 
       
   169     ++fp;  // skip 'b'
 
       
   170     break;
 
       
   171   case 'w':
 
       
   172     flags |= _fmt_not_variable | _fmt_not_simple;
 
       
   173     ++fp;  // skip 'w'
 
       
   174     guarantee(*fp == 'b', "wide format must start with 'wb'");
 
       
   175     ++fp;  // skip 'b'
 
       
   176     break;
 
       
   177   }
 
       
   178 
       
   179   int has_nbo = 0, has_jbo = 0, has_size = 0;
 
       
   180   for (;;) {
 
       
   181     int this_flag = 0;
 
       
   182     char fc = *fp++;
 
       
   183     switch (fc) {
 
       
   184     case '\0':  // end of string
 
       
   185       assert(flags == (jchar)flags, "change _format_flags");
 
       
   186       return flags;
 
       
   187 
       
   188     case '_': continue;         // ignore these
 
       
   189 
       
   190     case 'j': this_flag = _fmt_has_j; has_jbo = 1; break;
 
       
   191     case 'k': this_flag = _fmt_has_k; has_jbo = 1; break;
 
       
   192     case 'i': this_flag = _fmt_has_i; has_jbo = 1; break;
 
       
   193     case 'c': this_flag = _fmt_has_c; has_jbo = 1; break;
 
       
   194     case 'o': this_flag = _fmt_has_o; has_jbo = 1; break;
 
       
   195 
       
   196     // uppercase versions mark native byte order (from Rewriter)
 
       
   197     // actually, only the 'J' case happens currently
 
       
   198     case 'J': this_flag = _fmt_has_j; has_nbo = 1; break;
 
       
   199     case 'K': this_flag = _fmt_has_k; has_nbo = 1; break;
 
       
   200     case 'I': this_flag = _fmt_has_i; has_nbo = 1; break;
 
       
   201     case 'C': this_flag = _fmt_has_c; has_nbo = 1; break;
 
       
   202     case 'O': this_flag = _fmt_has_o; has_nbo = 1; break;
 
       
   203     default:  guarantee(false, "bad char in format");
 
       
   204     }
 
       
   205 
       
   206     flags |= this_flag;
 
       
   207 
       
   208     guarantee(!(has_jbo && has_nbo), "mixed byte orders in format");
 
       
   209     if (has_nbo)
 
       
   210       flags |= _fmt_has_nbo;
 
       
   211 
       
   212     int this_size = 1;
 
       
   213     if (*fp == fc) {
 
       
   214       // advance beyond run of the same characters
 
       
   215       this_size = 2;
 
       
   216       while (*++fp == fc)  this_size++;
 
       
   217       switch (this_size) {
 
       
   218       case 2: flags |= _fmt_has_u2; break;
 
       
   219       case 4: flags |= _fmt_has_u4; break;
 
       
   220       default: guarantee(false, "bad rep count in format");
 
       
   221       }
 
       
   222     }
 
       
   223     guarantee(has_size == 0 ||                     // no field yet
 
       
   224               this_size == has_size ||             // same size
 
       
   225               this_size < has_size && *fp == '\0', // last field can be short
 
       
   226               "mixed field sizes in format");
 
       
   227     has_size = this_size;
 
       
   228   }
 
       
   229 }
 
   157 
   230 
   158 void Bytecodes::initialize() {
 
   231 void Bytecodes::initialize() {
 
   159   if (_is_initialized) return;
 
   232   if (_is_initialized) return;
 
   160   assert(number_of_codes <= 256, "too many bytecodes");
 
   233   assert(number_of_codes <= 256, "too many bytecodes");
 
   161 
   234 
   187   def(_fconst_2            , "fconst_2"            , "b"    , NULL    , T_FLOAT  ,  1, false);
 
   260   def(_fconst_2            , "fconst_2"            , "b"    , NULL    , T_FLOAT  ,  1, false);
 
   188   def(_dconst_0            , "dconst_0"            , "b"    , NULL    , T_DOUBLE ,  2, false);
 
   261   def(_dconst_0            , "dconst_0"            , "b"    , NULL    , T_DOUBLE ,  2, false);
 
   189   def(_dconst_1            , "dconst_1"            , "b"    , NULL    , T_DOUBLE ,  2, false);
 
   262   def(_dconst_1            , "dconst_1"            , "b"    , NULL    , T_DOUBLE ,  2, false);
 
   190   def(_bipush              , "bipush"              , "bc"   , NULL    , T_INT    ,  1, false);
 
   263   def(_bipush              , "bipush"              , "bc"   , NULL    , T_INT    ,  1, false);
 
   191   def(_sipush              , "sipush"              , "bcc"  , NULL    , T_INT    ,  1, false);
 
   264   def(_sipush              , "sipush"              , "bcc"  , NULL    , T_INT    ,  1, false);
 
   192   def(_ldc                 , "ldc"                 , "bi"   , NULL    , T_ILLEGAL,  1, true );
 
   265   def(_ldc                 , "ldc"                 , "bk"   , NULL    , T_ILLEGAL,  1, true );
 
   193   def(_ldc_w               , "ldc_w"               , "bii"  , NULL    , T_ILLEGAL,  1, true );
 
   266   def(_ldc_w               , "ldc_w"               , "bkk"  , NULL    , T_ILLEGAL,  1, true );
 
   194   def(_ldc2_w              , "ldc2_w"              , "bii"  , NULL    , T_ILLEGAL,  2, true );
 
   267   def(_ldc2_w              , "ldc2_w"              , "bkk"  , NULL    , T_ILLEGAL,  2, true );
 
   195   def(_iload               , "iload"               , "bi"   , "wbii"  , T_INT    ,  1, false);
 
   268   def(_iload               , "iload"               , "bi"   , "wbii"  , T_INT    ,  1, false);
 
   196   def(_lload               , "lload"               , "bi"   , "wbii"  , T_LONG   ,  2, false);
 
   269   def(_lload               , "lload"               , "bi"   , "wbii"  , T_LONG   ,  2, false);
 
   197   def(_fload               , "fload"               , "bi"   , "wbii"  , T_FLOAT  ,  1, false);
 
   270   def(_fload               , "fload"               , "bi"   , "wbii"  , T_FLOAT  ,  1, false);
 
   198   def(_dload               , "dload"               , "bi"   , "wbii"  , T_DOUBLE ,  2, false);
 
   271   def(_dload               , "dload"               , "bi"   , "wbii"  , T_DOUBLE ,  2, false);
 
   199   def(_aload               , "aload"               , "bi"   , "wbii"  , T_OBJECT ,  1, false);
 
   272   def(_aload               , "aload"               , "bi"   , "wbii"  , T_OBJECT ,  1, false);
 
   347   def(_lreturn             , "lreturn"             , "b"    , NULL    , T_LONG   , -2, true);
 
   420   def(_lreturn             , "lreturn"             , "b"    , NULL    , T_LONG   , -2, true);
 
   348   def(_freturn             , "freturn"             , "b"    , NULL    , T_FLOAT  , -1, true);
 
   421   def(_freturn             , "freturn"             , "b"    , NULL    , T_FLOAT  , -1, true);
 
   349   def(_dreturn             , "dreturn"             , "b"    , NULL    , T_DOUBLE , -2, true);
 
   422   def(_dreturn             , "dreturn"             , "b"    , NULL    , T_DOUBLE , -2, true);
 
   350   def(_areturn             , "areturn"             , "b"    , NULL    , T_OBJECT , -1, true);
 
   423   def(_areturn             , "areturn"             , "b"    , NULL    , T_OBJECT , -1, true);
 
   351   def(_return              , "return"              , "b"    , NULL    , T_VOID   ,  0, true);
 
   424   def(_return              , "return"              , "b"    , NULL    , T_VOID   ,  0, true);
 
   352   def(_getstatic           , "getstatic"           , "bjj"  , NULL    , T_ILLEGAL,  1, true );
 
   425   def(_getstatic           , "getstatic"           , "bJJ"  , NULL    , T_ILLEGAL,  1, true );
 
   353   def(_putstatic           , "putstatic"           , "bjj"  , NULL    , T_ILLEGAL, -1, true );
 
   426   def(_putstatic           , "putstatic"           , "bJJ"  , NULL    , T_ILLEGAL, -1, true );
 
   354   def(_getfield            , "getfield"            , "bjj"  , NULL    , T_ILLEGAL,  0, true );
 
   427   def(_getfield            , "getfield"            , "bJJ"  , NULL    , T_ILLEGAL,  0, true );
 
   355   def(_putfield            , "putfield"            , "bjj"  , NULL    , T_ILLEGAL, -2, true );
 
   428   def(_putfield            , "putfield"            , "bJJ"  , NULL    , T_ILLEGAL, -2, true );
 
   356   def(_invokevirtual       , "invokevirtual"       , "bjj"  , NULL    , T_ILLEGAL, -1, true);
 
   429   def(_invokevirtual       , "invokevirtual"       , "bJJ"  , NULL    , T_ILLEGAL, -1, true);
 
   357   def(_invokespecial       , "invokespecial"       , "bjj"  , NULL    , T_ILLEGAL, -1, true);
 
   430   def(_invokespecial       , "invokespecial"       , "bJJ"  , NULL    , T_ILLEGAL, -1, true);
 
   358   def(_invokestatic        , "invokestatic"        , "bjj"  , NULL    , T_ILLEGAL,  0, true);
 
   431   def(_invokestatic        , "invokestatic"        , "bJJ"  , NULL    , T_ILLEGAL,  0, true);
 
   359   def(_invokeinterface     , "invokeinterface"     , "bjj__", NULL    , T_ILLEGAL, -1, true);
 
   432   def(_invokeinterface     , "invokeinterface"     , "bJJ__", NULL    , T_ILLEGAL, -1, true);
 
   360   def(_invokedynamic       , "invokedynamic"       , "bjjjj", NULL    , T_ILLEGAL,  0, true );
 
   433   def(_invokedynamic       , "invokedynamic"       , "bJJJJ", NULL    , T_ILLEGAL,  0, true );
 
   361   def(_new                 , "new"                 , "bii"  , NULL    , T_OBJECT ,  1, true );
 
   434   def(_new                 , "new"                 , "bkk"  , NULL    , T_OBJECT ,  1, true );
 
   362   def(_newarray            , "newarray"            , "bc"   , NULL    , T_OBJECT ,  0, true );
 
   435   def(_newarray            , "newarray"            , "bc"   , NULL    , T_OBJECT ,  0, true );
 
   363   def(_anewarray           , "anewarray"           , "bii"  , NULL    , T_OBJECT ,  0, true );
 
   436   def(_anewarray           , "anewarray"           , "bkk"  , NULL    , T_OBJECT ,  0, true );
 
   364   def(_arraylength         , "arraylength"         , "b"    , NULL    , T_VOID   ,  0, true );
 
   437   def(_arraylength         , "arraylength"         , "b"    , NULL    , T_VOID   ,  0, true );
 
   365   def(_athrow              , "athrow"              , "b"    , NULL    , T_VOID   , -1, true );
 
   438   def(_athrow              , "athrow"              , "b"    , NULL    , T_VOID   , -1, true );
 
   366   def(_checkcast           , "checkcast"           , "bii"  , NULL    , T_OBJECT ,  0, true );
 
   439   def(_checkcast           , "checkcast"           , "bkk"  , NULL    , T_OBJECT ,  0, true );
 
   367   def(_instanceof          , "instanceof"          , "bii"  , NULL    , T_INT    ,  0, true );
 
   440   def(_instanceof          , "instanceof"          , "bkk"  , NULL    , T_INT    ,  0, true );
 
   368   def(_monitorenter        , "monitorenter"        , "b"    , NULL    , T_VOID   , -1, true );
 
   441   def(_monitorenter        , "monitorenter"        , "b"    , NULL    , T_VOID   , -1, true );
 
   369   def(_monitorexit         , "monitorexit"         , "b"    , NULL    , T_VOID   , -1, true );
 
   442   def(_monitorexit         , "monitorexit"         , "b"    , NULL    , T_VOID   , -1, true );
 
   370   def(_wide                , "wide"                , ""     , NULL    , T_VOID   ,  0, false);
 
   443   def(_wide                , "wide"                , ""     , NULL    , T_VOID   ,  0, false);
 
   371   def(_multianewarray      , "multianewarray"      , "biic" , NULL    , T_OBJECT ,  1, true );
 
   444   def(_multianewarray      , "multianewarray"      , "bkkc" , NULL    , T_OBJECT ,  1, true );
 
   372   def(_ifnull              , "ifnull"              , "boo"  , NULL    , T_VOID   , -1, false);
 
   445   def(_ifnull              , "ifnull"              , "boo"  , NULL    , T_VOID   , -1, false);
 
   373   def(_ifnonnull           , "ifnonnull"           , "boo"  , NULL    , T_VOID   , -1, false);
 
   446   def(_ifnonnull           , "ifnonnull"           , "boo"  , NULL    , T_VOID   , -1, false);
 
   374   def(_goto_w              , "goto_w"              , "boooo", NULL    , T_VOID   ,  0, false);
 
   447   def(_goto_w              , "goto_w"              , "boooo", NULL    , T_VOID   ,  0, false);
 
   375   def(_jsr_w               , "jsr_w"               , "boooo", NULL    , T_INT    ,  0, false);
 
   448   def(_jsr_w               , "jsr_w"               , "boooo", NULL    , T_INT    ,  0, false);
 
   376   def(_breakpoint          , "breakpoint"          , ""     , NULL    , T_VOID   ,  0, true);
 
   449   def(_breakpoint          , "breakpoint"          , ""     , NULL    , T_VOID   ,  0, true);
 
   377 
   450 
   378   //  JVM bytecodes
 
   451   //  JVM bytecodes
 
   379   //  bytecode               bytecode name           format   wide f.   result tp  stk traps  std code
 
   452   //  bytecode               bytecode name           format   wide f.   result tp  stk traps  std code
 
   380 
   453 
   381   def(_fast_agetfield      , "fast_agetfield"      , "bjj"  , NULL    , T_OBJECT ,  0, true , _getfield       );
 
   454   def(_fast_agetfield      , "fast_agetfield"      , "bJJ"  , NULL    , T_OBJECT ,  0, true , _getfield       );
 
   382   def(_fast_bgetfield      , "fast_bgetfield"      , "bjj"  , NULL    , T_INT    ,  0, true , _getfield       );
 
   455   def(_fast_bgetfield      , "fast_bgetfield"      , "bJJ"  , NULL    , T_INT    ,  0, true , _getfield       );
 
   383   def(_fast_cgetfield      , "fast_cgetfield"      , "bjj"  , NULL    , T_CHAR   ,  0, true , _getfield       );
 
   456   def(_fast_cgetfield      , "fast_cgetfield"      , "bJJ"  , NULL    , T_CHAR   ,  0, true , _getfield       );
 
   384   def(_fast_dgetfield      , "fast_dgetfield"      , "bjj"  , NULL    , T_DOUBLE ,  0, true , _getfield       );
 
   457   def(_fast_dgetfield      , "fast_dgetfield"      , "bJJ"  , NULL    , T_DOUBLE ,  0, true , _getfield       );
 
   385   def(_fast_fgetfield      , "fast_fgetfield"      , "bjj"  , NULL    , T_FLOAT  ,  0, true , _getfield       );
 
   458   def(_fast_fgetfield      , "fast_fgetfield"      , "bJJ"  , NULL    , T_FLOAT  ,  0, true , _getfield       );
 
   386   def(_fast_igetfield      , "fast_igetfield"      , "bjj"  , NULL    , T_INT    ,  0, true , _getfield       );
 
   459   def(_fast_igetfield      , "fast_igetfield"      , "bJJ"  , NULL    , T_INT    ,  0, true , _getfield       );
 
   387   def(_fast_lgetfield      , "fast_lgetfield"      , "bjj"  , NULL    , T_LONG   ,  0, true , _getfield       );
 
   460   def(_fast_lgetfield      , "fast_lgetfield"      , "bJJ"  , NULL    , T_LONG   ,  0, true , _getfield       );
 
   388   def(_fast_sgetfield      , "fast_sgetfield"      , "bjj"  , NULL    , T_SHORT  ,  0, true , _getfield       );
 
   461   def(_fast_sgetfield      , "fast_sgetfield"      , "bJJ"  , NULL    , T_SHORT  ,  0, true , _getfield       );
 
   389 
   462 
   390   def(_fast_aputfield      , "fast_aputfield"      , "bjj"  , NULL    , T_OBJECT ,  0, true , _putfield       );
 
   463   def(_fast_aputfield      , "fast_aputfield"      , "bJJ"  , NULL    , T_OBJECT ,  0, true , _putfield       );
 
   391   def(_fast_bputfield      , "fast_bputfield"      , "bjj"  , NULL    , T_INT    ,  0, true , _putfield       );
 
   464   def(_fast_bputfield      , "fast_bputfield"      , "bJJ"  , NULL    , T_INT    ,  0, true , _putfield       );
 
   392   def(_fast_cputfield      , "fast_cputfield"      , "bjj"  , NULL    , T_CHAR   ,  0, true , _putfield       );
 
   465   def(_fast_cputfield      , "fast_cputfield"      , "bJJ"  , NULL    , T_CHAR   ,  0, true , _putfield       );
 
   393   def(_fast_dputfield      , "fast_dputfield"      , "bjj"  , NULL    , T_DOUBLE ,  0, true , _putfield       );
 
   466   def(_fast_dputfield      , "fast_dputfield"      , "bJJ"  , NULL    , T_DOUBLE ,  0, true , _putfield       );
 
   394   def(_fast_fputfield      , "fast_fputfield"      , "bjj"  , NULL    , T_FLOAT  ,  0, true , _putfield       );
 
   467   def(_fast_fputfield      , "fast_fputfield"      , "bJJ"  , NULL    , T_FLOAT  ,  0, true , _putfield       );
 
   395   def(_fast_iputfield      , "fast_iputfield"      , "bjj"  , NULL    , T_INT    ,  0, true , _putfield       );
 
   468   def(_fast_iputfield      , "fast_iputfield"      , "bJJ"  , NULL    , T_INT    ,  0, true , _putfield       );
 
   396   def(_fast_lputfield      , "fast_lputfield"      , "bjj"  , NULL    , T_LONG   ,  0, true , _putfield       );
 
   469   def(_fast_lputfield      , "fast_lputfield"      , "bJJ"  , NULL    , T_LONG   ,  0, true , _putfield       );
 
   397   def(_fast_sputfield      , "fast_sputfield"      , "bjj"  , NULL    , T_SHORT  ,  0, true , _putfield       );
 
   470   def(_fast_sputfield      , "fast_sputfield"      , "bJJ"  , NULL    , T_SHORT  ,  0, true , _putfield       );
 
   398 
   471 
   399   def(_fast_aload_0        , "fast_aload_0"        , "b"    , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   472   def(_fast_aload_0        , "fast_aload_0"        , "b"    , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   400   def(_fast_iaccess_0      , "fast_iaccess_0"      , "b_jj" , NULL    , T_INT    ,  1, true , _aload_0        );
 
   473   def(_fast_iaccess_0      , "fast_iaccess_0"      , "b_JJ" , NULL    , T_INT    ,  1, true , _aload_0        );
 
   401   def(_fast_aaccess_0      , "fast_aaccess_0"      , "b_jj" , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   474   def(_fast_aaccess_0      , "fast_aaccess_0"      , "b_JJ" , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   402   def(_fast_faccess_0      , "fast_faccess_0"      , "b_jj" , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   475   def(_fast_faccess_0      , "fast_faccess_0"      , "b_JJ" , NULL    , T_OBJECT ,  1, true , _aload_0        );
 
   403 
   476 
   404   def(_fast_iload          , "fast_iload"          , "bi"   , NULL    , T_INT    ,  1, false, _iload);
 
   477   def(_fast_iload          , "fast_iload"          , "bi"   , NULL    , T_INT    ,  1, false, _iload);
 
   405   def(_fast_iload2         , "fast_iload2"         , "bi_i" , NULL    , T_INT    ,  2, false, _iload);
 
   478   def(_fast_iload2         , "fast_iload2"         , "bi_i" , NULL    , T_INT    ,  2, false, _iload);
 
   406   def(_fast_icaload        , "fast_icaload"        , "bi_"  , NULL    , T_INT    ,  0, false, _iload);
 
   479   def(_fast_icaload        , "fast_icaload"        , "bi_"  , NULL    , T_INT    ,  0, false, _iload);
 
   407 
   480 
   408   // Faster method invocation.
 
   481   // Faster method invocation.
 
   409   def(_fast_invokevfinal   , "fast_invokevfinal"   , "bjj"  , NULL    , T_ILLEGAL, -1, true, _invokevirtual   );
 
   482   def(_fast_invokevfinal   , "fast_invokevfinal"   , "bJJ"  , NULL    , T_ILLEGAL, -1, true, _invokevirtual   );
 
   410 
   483 
   411   def(_fast_linearswitch   , "fast_linearswitch"   , ""     , NULL    , T_VOID   , -1, false, _lookupswitch   );
 
   484   def(_fast_linearswitch   , "fast_linearswitch"   , ""     , NULL    , T_VOID   , -1, false, _lookupswitch   );
 
   412   def(_fast_binaryswitch   , "fast_binaryswitch"   , ""     , NULL    , T_VOID   , -1, false, _lookupswitch   );
 
   485   def(_fast_binaryswitch   , "fast_binaryswitch"   , ""     , NULL    , T_VOID   , -1, false, _lookupswitch   );
 
   413 
   486 
   414   def(_return_register_finalizer , "return_register_finalizer" , "b"    , NULL    , T_VOID   ,  0, true, _return);
 
   487   def(_return_register_finalizer , "return_register_finalizer" , "b"    , NULL    , T_VOID   ,  0, true, _return);
jdk-sandbox