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/_c1_LIRGenerator_x86.cpp.incl"












  27 
  28 #ifdef ASSERT
  29 #define __ gen()->lir(__FILE__, __LINE__)->
  30 #else
  31 #define __ gen()->lir()->
  32 #endif
  33 
  34 // Item will be loaded into a byte register; Intel only
  35 void LIRItem::load_byte_item() {
  36   load_item();
  37   LIR_Opr res = result();
  38 
  39   if (!res->is_virtual() || !_gen->is_vreg_flag_set(res, LIRGenerator::byte_reg)) {
  40     // make sure that it is a byte register
  41     assert(!value()->type()->is_float() && !value()->type()->is_double(),
  42            "can't load floats in byte register");
  43     LIR_Opr reg = _gen->rlock_byte(T_BYTE);
  44     __ move(res, reg);
  45 
  46     _result = reg;

   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 "c1/c1_Compilation.hpp"
  27 #include "c1/c1_FrameMap.hpp"
  28 #include "c1/c1_Instruction.hpp"
  29 #include "c1/c1_LIRAssembler.hpp"
  30 #include "c1/c1_LIRGenerator.hpp"
  31 #include "c1/c1_Runtime1.hpp"
  32 #include "c1/c1_ValueStack.hpp"
  33 #include "ci/ciArray.hpp"
  34 #include "ci/ciObjArrayKlass.hpp"
  35 #include "ci/ciTypeArrayKlass.hpp"
  36 #include "runtime/sharedRuntime.hpp"
  37 #include "runtime/stubRoutines.hpp"
  38 #include "vmreg_x86.inline.hpp"
  39 
  40 #ifdef ASSERT
  41 #define __ gen()->lir(__FILE__, __LINE__)->
  42 #else
  43 #define __ gen()->lir()->
  44 #endif
  45 
  46 // Item will be loaded into a byte register; Intel only
  47 void LIRItem::load_byte_item() {
  48   load_item();
  49   LIR_Opr res = result();
  50 
  51   if (!res->is_virtual() || !_gen->is_vreg_flag_set(res, LIRGenerator::byte_reg)) {
  52     // make sure that it is a byte register
  53     assert(!value()->type()->is_float() && !value()->type()->is_double(),
  54            "can't load floats in byte register");
  55     LIR_Opr reg = _gen->rlock_byte(T_BYTE);
  56     __ move(res, reg);
  57 
  58     _result = reg;