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  *
  23  */
  24 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_jniFastGetField_x86_32.cpp.incl"




  27 
  28 #define __ masm->
  29 
  30 #define BUFFER_SIZE 30
  31 
  32 #ifdef _WINDOWS
  33 GetBooleanField_t JNI_FastGetField::jni_fast_GetBooleanField_fp;
  34 GetByteField_t    JNI_FastGetField::jni_fast_GetByteField_fp;
  35 GetCharField_t    JNI_FastGetField::jni_fast_GetCharField_fp;
  36 GetShortField_t   JNI_FastGetField::jni_fast_GetShortField_fp;
  37 GetIntField_t     JNI_FastGetField::jni_fast_GetIntField_fp;
  38 GetLongField_t    JNI_FastGetField::jni_fast_GetLongField_fp;
  39 GetFloatField_t   JNI_FastGetField::jni_fast_GetFloatField_fp;
  40 GetDoubleField_t  JNI_FastGetField::jni_fast_GetDoubleField_fp;
  41 #endif
  42 
  43 // Instead of issuing lfence for LoadLoad barrier, we create data dependency
  44 // between loads, which is much more efficient than lfence.
  45 
  46 address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {

   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  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "assembler_x86.inline.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "prims/jniFastGetField.hpp"
  29 #include "prims/jvm_misc.hpp"
  30 #include "runtime/safepoint.hpp"
  31 
  32 #define __ masm->
  33 
  34 #define BUFFER_SIZE 30
  35 
  36 #ifdef _WINDOWS
  37 GetBooleanField_t JNI_FastGetField::jni_fast_GetBooleanField_fp;
  38 GetByteField_t    JNI_FastGetField::jni_fast_GetByteField_fp;
  39 GetCharField_t    JNI_FastGetField::jni_fast_GetCharField_fp;
  40 GetShortField_t   JNI_FastGetField::jni_fast_GetShortField_fp;
  41 GetIntField_t     JNI_FastGetField::jni_fast_GetIntField_fp;
  42 GetLongField_t    JNI_FastGetField::jni_fast_GetLongField_fp;
  43 GetFloatField_t   JNI_FastGetField::jni_fast_GetFloatField_fp;
  44 GetDoubleField_t  JNI_FastGetField::jni_fast_GetDoubleField_fp;
  45 #endif
  46 
  47 // Instead of issuing lfence for LoadLoad barrier, we create data dependency
  48 // between loads, which is much more efficient than lfence.
  49 
  50 address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {