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src/share/vm/ci/ciArray.cpp

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   1 /*
   2  * Copyright (c) 1999, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  49     return ciConstant();
  50   assert(ary->is_array(), "");
  51   if (index < 0 || index >= ary->length())
  52     return ciConstant();
  53   ArrayKlass* ak = (ArrayKlass*) ary->klass();
  54   BasicType abt = ak->element_type();
  55   if (fixup_element_type(elembt) !=
  56       fixup_element_type(abt))
  57     return ciConstant();
  58   switch (elembt) {
  59   case T_ARRAY:
  60   case T_OBJECT:
  61     {
  62       assert(ary->is_objArray(), "");
  63       objArrayOop objary = (objArrayOop) ary;
  64       oop elem = objary->obj_at(index);
  65       ciEnv* env = CURRENT_ENV;
  66       ciObject* box = env->get_object(elem);
  67       return ciConstant(T_OBJECT, box);
  68     }


  69   }
  70   assert(ary->is_typeArray(), "");
  71   typeArrayOop tary = (typeArrayOop) ary;
  72   jint value = 0;
  73   switch (elembt) {
  74   case T_LONG:          return ciConstant(tary->long_at(index));
  75   case T_FLOAT:         return ciConstant(tary->float_at(index));
  76   case T_DOUBLE:        return ciConstant(tary->double_at(index));
  77   default:              return ciConstant();
  78   case T_BYTE:          value = tary->byte_at(index);           break;
  79   case T_BOOLEAN:       value = tary->byte_at(index) & 1;       break;
  80   case T_SHORT:         value = tary->short_at(index);          break;
  81   case T_CHAR:          value = tary->char_at(index);           break;
  82   case T_INT:           value = tary->int_at(index);            break;
  83   }
  84   return ciConstant(elembt, value);
  85 }
  86 
  87 // ------------------------------------------------------------------
  88 // ciArray::element_value


   1 /*
   2  * Copyright (c) 1999, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  49     return ciConstant();
  50   assert(ary->is_array(), "");
  51   if (index < 0 || index >= ary->length())
  52     return ciConstant();
  53   ArrayKlass* ak = (ArrayKlass*) ary->klass();
  54   BasicType abt = ak->element_type();
  55   if (fixup_element_type(elembt) !=
  56       fixup_element_type(abt))
  57     return ciConstant();
  58   switch (elembt) {
  59   case T_ARRAY:
  60   case T_OBJECT:
  61     {
  62       assert(ary->is_objArray(), "");
  63       objArrayOop objary = (objArrayOop) ary;
  64       oop elem = objary->obj_at(index);
  65       ciEnv* env = CURRENT_ENV;
  66       ciObject* box = env->get_object(elem);
  67       return ciConstant(T_OBJECT, box);
  68     }
  69   default:
  70     break;
  71   }
  72   assert(ary->is_typeArray(), "");
  73   typeArrayOop tary = (typeArrayOop) ary;
  74   jint value = 0;
  75   switch (elembt) {
  76   case T_LONG:          return ciConstant(tary->long_at(index));
  77   case T_FLOAT:         return ciConstant(tary->float_at(index));
  78   case T_DOUBLE:        return ciConstant(tary->double_at(index));
  79   default:              return ciConstant();
  80   case T_BYTE:          value = tary->byte_at(index);           break;
  81   case T_BOOLEAN:       value = tary->byte_at(index) & 1;       break;
  82   case T_SHORT:         value = tary->short_at(index);          break;
  83   case T_CHAR:          value = tary->char_at(index);           break;
  84   case T_INT:           value = tary->int_at(index);            break;
  85   }
  86   return ciConstant(elembt, value);
  87 }
  88 
  89 // ------------------------------------------------------------------
  90 // ciArray::element_value


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